[
  {
    "id": "RD001",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 420.377,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.17,
    "radius_review_count": 8,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451120.5,
          6509256.14
        ],
        "end": [
          451126.01,
          6509252.5788
        ],
        "chainage_start": 0,
        "length": 6.560658917816993
      },
      {
        "type": "ARC",
        "centre": [
          451125.2491780249,
          6509251.401632449
        ],
        "radius": 1.4016324487149967,
        "start_angle_rad": 0.9970154227173884,
        "sweep_rad": -2.567811749343845,
        "start": [
          451126.01,
          6509252.5788
        ],
        "end": [
          451125.2491780249,
          6509250.0
        ],
        "chainage_start": 6.560658917816993,
        "length": 3.5991282700719527,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451125.2491780251,
          6509250.0
        ],
        "end": [
          451101.8793939239,
          6509250.0
        ],
        "chainage_start": 10.159787187888945,
        "length": 23.36978410120355
      },
      {
        "type": "ARC",
        "centre": [
          451101.8793939239,
          6509221.320606076
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          451101.8793939239,
          6509250.0
        ],
        "end": [
          451081.6,
          6509241.6
        ],
        "chainage_start": 33.529571289092495,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451081.6,
          6509241.6
        ],
        "end": [
          451078.4,
          6509238.4
        ],
        "chainage_start": 56.05431460430219,
        "length": 4.525483399034141
      },
      {
        "type": "ARC",
        "centre": [
          451058.1206060761,
          6509258.679393924
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": -0.7853981633859671,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451078.4,
          6509238.4
        ],
        "end": [
          451058.1206060761,
          6509230.0
        ],
        "chainage_start": 60.579798003336336,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451058.12060607644,
          6509230.0
        ],
        "end": [
          451035.2,
          6509230.0
        ],
        "chainage_start": 83.10454131854604,
        "length": 22.92060607642634
      },
      {
        "type": "ARC",
        "centre": [
          451035.2,
          6509290.838181771
        ],
        "radius": 60.838181771801985,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451035.2,
          6509230.0
        ],
        "end": [
          450992.1809091141,
          6509247.819090886
        ],
        "chainage_start": 106.02514739497238,
        "length": 47.782196228013404,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450992.18090911413,
          6509247.819090885
        ],
        "end": [
          450955.93969696196,
          6509284.060303038
        ],
        "chainage_start": 153.8073436229858,
        "length": 51.25281374294391
      },
      {
        "type": "ARC",
        "centre": [
          450941.6,
          6509269.720606076
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 0.7853981634116555,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450955.93969696196,
          6509284.060303038
        ],
        "end": [
          450941.6,
          6509290.0
        ],
        "chainage_start": 205.0601573659297,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450941.5999999997,
          6509289.999999999
        ],
        "end": [
          450938.4,
          6509290.0
        ],
        "chainage_start": 220.98755610860084,
        "length": 3.1999999996623956
      },
      {
        "type": "ARC",
        "centre": [
          450938.4,
          6509310.2793939235
        ],
        "radius": 20.279393923934,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450938.4,
          6509290.0
        ],
        "end": [
          450924.06030303804,
          6509295.939696962
        ],
        "chainage_start": 224.18755610826324,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450924.06030303804,
          6509295.939696961
        ],
        "end": [
          450841.8793939239,
          6509378.120606076
        ],
        "chainage_start": 240.11495485093437,
        "length": 116.22135623789279
      },
      {
        "type": "ARC",
        "centre": [
          450870.55878784787,
          6509406.8
        ],
        "radius": 40.558787847868,
        "start_angle_rad": -2.3561944901943743,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450841.8793939239,
          6509378.120606076
        ],
        "end": [
          450830.0,
          6509406.8
        ],
        "chainage_start": 356.3363110888272,
        "length": 31.854797485342274,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450830.0,
          6509406.8
        ],
        "end": [
          450830.0,
          6509426.053797679
        ],
        "chainage_start": 388.19110857416945,
        "length": 19.25379767920822
      },
      {
        "type": "ARC",
        "centre": [
          450839.52697516256,
          6509426.053797679
        ],
        "radius": 9.526975162566846,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -0.7853981633624034,
        "start": [
          450830.0,
          6509426.053797679
        ],
        "end": [
          450832.7903864207,
          6509432.790386421
        ],
        "chainage_start": 407.44490625337767,
        "length": 7.482468795079235,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450832.7903864207,
          6509432.790386421
        ],
        "end": [
          450836.6437771921,
          6509436.643777193
        ],
        "chainage_start": 414.9273750484569,
        "length": 5.449517490408882
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.0628154231443,
        "pvi_z": 152.88346194103804,
        "bvc": 50.0628154231443,
        "evc": 90.0628154231443,
        "length": 40.0,
        "g1": 0.03707753333837127,
        "g2": 0.04317892106832691,
        "z_bvc": 152.1419112742706,
        "K_m_per_percent": 65.55885606747178
      },
      {
        "pvi_ch": 140.1256308462886,
        "pvi_z": 155.90869871801874,
        "bvc": 120.1256308462886,
        "evc": 160.1256308462886,
        "length": 40.0,
        "g1": 0.04317892106832691,
        "g2": 0.04141427868880808,
        "z_bvc": 155.04512029665221,
        "K_m_per_percent": 226.67482354643957
      },
      {
        "pvi_ch": 210.18844626943292,
        "pvi_z": 158.81029968167536,
        "bvc": 190.18844626943292,
        "evc": 230.18844626943292,
        "length": 40.0,
        "g1": 0.04141427868880808,
        "g2": 0.051673586451683795,
        "z_bvc": 157.9820141078992,
        "K_m_per_percent": 38.98898534338137
      },
      {
        "pvi_ch": 280.2512616925772,
        "pvi_z": 162.43069663149157,
        "bvc": 260.2512616925772,
        "evc": 300.2512616925772,
        "length": 40.0,
        "g1": 0.051673586451683795,
        "g2": 0.05001666662189084,
        "z_bvc": 161.3972249024579,
        "K_m_per_percent": 241.41180086545455
      },
      {
        "pvi_ch": 350.3140771157215,
        "pvi_z": 165.93500511310205,
        "bvc": 330.3140771157215,
        "evc": 370.3140771157215,
        "length": 40.0,
        "g1": 0.05001666662189084,
        "g2": -0.0003733951997707437,
        "z_bvc": 164.93467178066425,
        "K_m_per_percent": 7.938073214033025
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451120.5,
        "northing": 6509256.14,
        "existing_z": 150.2857,
        "design_z": 150.2857,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451125.4086,
        "northing": 6509250.0091,
        "existing_z": 150.3573,
        "design_z": 150.6565,
        "delta_z": 0.2992
      },
      {
        "ch": 20.0,
        "easting": 451115.409,
        "northing": 6509250.0,
        "existing_z": 150.6626,
        "design_z": 151.0273,
        "delta_z": 0.3647
      },
      {
        "ch": 30.0,
        "easting": 451105.409,
        "northing": 6509250.0,
        "existing_z": 150.9724,
        "design_z": 151.398,
        "delta_z": 0.4256
      },
      {
        "ch": 40.0,
        "easting": 451095.4637,
        "northing": 6509249.2732,
        "existing_z": 151.315,
        "design_z": 151.7688,
        "delta_z": 0.4538
      },
      {
        "ch": 50.0,
        "easting": 451086.2995,
        "northing": 6509245.3991,
        "existing_z": 151.7737,
        "design_z": 152.1396,
        "delta_z": 0.3659
      },
      {
        "ch": 50.0628,
        "easting": 451086.2468,
        "northing": 6509245.3649,
        "existing_z": 151.7769,
        "design_z": 152.1419,
        "delta_z": 0.365
      },
      {
        "ch": 60.0,
        "easting": 451078.81,
        "northing": 6509238.81,
        "existing_z": 152.2768,
        "design_z": 152.5179,
        "delta_z": 0.2411
      },
      {
        "ch": 70.0,
        "easting": 451070.7739,
        "northing": 6509232.9422,
        "existing_z": 152.735,
        "design_z": 152.9114,
        "delta_z": 0.1764
      },
      {
        "ch": 70.0628,
        "easting": 451070.7175,
        "northing": 6509232.9146,
        "existing_z": 152.7377,
        "design_z": 152.914,
        "delta_z": 0.1763
      },
      {
        "ch": 80.0,
        "easting": 451061.2191,
        "northing": 6509230.1679,
        "existing_z": 153.2175,
        "design_z": 153.3203,
        "delta_z": 0.1027
      },
      {
        "ch": 90.0,
        "easting": 451051.2251,
        "northing": 6509230.0,
        "existing_z": 153.6482,
        "design_z": 153.7443,
        "delta_z": 0.0961
      },
      {
        "ch": 90.0628,
        "easting": 451051.1623,
        "northing": 6509230.0,
        "existing_z": 153.6509,
        "design_z": 153.747,
        "delta_z": 0.0961
      },
      {
        "ch": 100.0,
        "easting": 451041.2251,
        "northing": 6509230.0,
        "existing_z": 154.1321,
        "design_z": 154.1761,
        "delta_z": 0.044
      },
      {
        "ch": 110.0,
        "easting": 451031.228,
        "northing": 6509230.1298,
        "existing_z": 154.622,
        "design_z": 154.6079,
        "delta_z": -0.0141
      },
      {
        "ch": 120.0,
        "easting": 451021.3477,
        "northing": 6509231.598,
        "existing_z": 155.1138,
        "design_z": 155.0397,
        "delta_z": -0.0741
      },
      {
        "ch": 120.1256,
        "easting": 451021.2254,
        "northing": 6509231.6267,
        "existing_z": 155.1199,
        "design_z": 155.0451,
        "delta_z": -0.0747
      },
      {
        "ch": 130.0,
        "easting": 451011.8409,
        "northing": 6509234.6631,
        "existing_z": 155.578,
        "design_z": 155.4693,
        "delta_z": -0.1087
      },
      {
        "ch": 140.0,
        "easting": 451002.9637,
        "northing": 6509239.2426,
        "existing_z": 156.0118,
        "design_z": 155.8946,
        "delta_z": -0.1172
      },
      {
        "ch": 140.1256,
        "easting": 451002.8573,
        "northing": 6509239.3092,
        "existing_z": 156.0169,
        "design_z": 155.8999,
        "delta_z": -0.117
      },
      {
        "ch": 150.0,
        "easting": 450994.9556,
        "northing": 6509245.2129,
        "existing_z": 156.3859,
        "design_z": 156.3154,
        "delta_z": -0.0705
      },
      {
        "ch": 160.0,
        "easting": 450987.802,
        "northing": 6509252.198,
        "existing_z": 156.7151,
        "design_z": 156.7318,
        "delta_z": 0.0166
      },
      {
        "ch": 160.1256,
        "easting": 450987.7132,
        "northing": 6509252.2868,
        "existing_z": 156.7196,
        "design_z": 156.737,
        "delta_z": 0.0174
      },
      {
        "ch": 170.0,
        "easting": 450980.731,
        "northing": 6509259.269,
        "existing_z": 157.0709,
        "design_z": 157.1459,
        "delta_z": 0.075
      },
      {
        "ch": 180.0,
        "easting": 450973.6599,
        "northing": 6509266.3401,
        "existing_z": 157.4304,
        "design_z": 157.5601,
        "delta_z": 0.1297
      },
      {
        "ch": 190.0,
        "easting": 450966.5888,
        "northing": 6509273.4112,
        "existing_z": 157.8015,
        "design_z": 157.9742,
        "delta_z": 0.1727
      },
      {
        "ch": 190.1884,
        "easting": 450966.4556,
        "northing": 6509273.5444,
        "existing_z": 157.8087,
        "design_z": 157.982,
        "delta_z": 0.1733
      },
      {
        "ch": 200.0,
        "easting": 450959.5178,
        "northing": 6509280.4822,
        "existing_z": 158.1956,
        "design_z": 158.4007,
        "delta_z": 0.2051
      },
      {
        "ch": 210.0,
        "easting": 450952.0578,
        "northing": 6509287.0955,
        "existing_z": 158.625,
        "design_z": 158.8528,
        "delta_z": 0.2278
      },
      {
        "ch": 210.1884,
        "easting": 450951.8959,
        "northing": 6509287.192,
        "existing_z": 158.6342,
        "design_z": 158.8616,
        "delta_z": 0.2274
      },
      {
        "ch": 220.0,
        "easting": 450942.5872,
        "northing": 6509289.976,
        "existing_z": 159.1283,
        "design_z": 159.3306,
        "delta_z": 0.2023
      },
      {
        "ch": 230.0,
        "easting": 450932.6668,
        "northing": 6509290.8273,
        "existing_z": 159.6434,
        "design_z": 159.834,
        "delta_z": 0.1907
      },
      {
        "ch": 230.1884,
        "easting": 450932.4863,
        "northing": 6509290.8814,
        "existing_z": 159.6535,
        "design_z": 159.8438,
        "delta_z": 0.1903
      },
      {
        "ch": 240.0,
        "easting": 450924.1418,
        "northing": 6509295.8586,
        "existing_z": 160.1454,
        "design_z": 160.3508,
        "delta_z": 0.2054
      },
      {
        "ch": 250.0,
        "easting": 450917.0705,
        "northing": 6509302.9295,
        "existing_z": 160.6323,
        "design_z": 160.8675,
        "delta_z": 0.2352
      },
      {
        "ch": 260.0,
        "easting": 450909.9995,
        "northing": 6509310.0005,
        "existing_z": 161.1472,
        "design_z": 161.3842,
        "delta_z": 0.237
      },
      {
        "ch": 260.2513,
        "easting": 450909.8218,
        "northing": 6509310.1782,
        "existing_z": 161.1602,
        "design_z": 161.3972,
        "delta_z": 0.237
      },
      {
        "ch": 270.0,
        "easting": 450902.9284,
        "northing": 6509317.0716,
        "existing_z": 161.6847,
        "design_z": 161.899,
        "delta_z": 0.2143
      },
      {
        "ch": 280.0,
        "easting": 450895.8573,
        "northing": 6509324.1427,
        "existing_z": 162.2638,
        "design_z": 162.4096,
        "delta_z": 0.1458
      },
      {
        "ch": 280.2513,
        "easting": 450895.6796,
        "northing": 6509324.3204,
        "existing_z": 162.2789,
        "design_z": 162.4224,
        "delta_z": 0.1435
      },
      {
        "ch": 290.0,
        "easting": 450888.7862,
        "northing": 6509331.2138,
        "existing_z": 162.8749,
        "design_z": 162.9161,
        "delta_z": 0.0412
      },
      {
        "ch": 300.0,
        "easting": 450881.7152,
        "northing": 6509338.2848,
        "existing_z": 163.4903,
        "design_z": 163.4185,
        "delta_z": -0.0718
      },
      {
        "ch": 300.2513,
        "easting": 450881.5375,
        "northing": 6509338.4625,
        "existing_z": 163.5065,
        "design_z": 163.431,
        "delta_z": -0.0755
      },
      {
        "ch": 310.0,
        "easting": 450874.6441,
        "northing": 6509345.3559,
        "existing_z": 164.1633,
        "design_z": 163.9186,
        "delta_z": -0.2446
      },
      {
        "ch": 320.0,
        "easting": 450867.573,
        "northing": 6509352.427,
        "existing_z": 164.8548,
        "design_z": 164.4188,
        "delta_z": -0.436
      },
      {
        "ch": 330.0,
        "easting": 450860.502,
        "northing": 6509359.498,
        "existing_z": 165.5329,
        "design_z": 164.919,
        "delta_z": -0.614
      },
      {
        "ch": 330.3141,
        "easting": 450860.2799,
        "northing": 6509359.7201,
        "existing_z": 165.5552,
        "design_z": 164.9347,
        "delta_z": -0.6206
      },
      {
        "ch": 340.0,
        "easting": 450853.4309,
        "northing": 6509366.5691,
        "existing_z": 166.2738,
        "design_z": 165.36,
        "delta_z": -0.9137
      },
      {
        "ch": 350.0,
        "easting": 450846.3598,
        "northing": 6509373.6402,
        "existing_z": 166.8686,
        "design_z": 165.6752,
        "delta_z": -1.1934
      },
      {
        "ch": 350.3141,
        "easting": 450846.1378,
        "northing": 6509373.8622,
        "existing_z": 166.8815,
        "design_z": 165.6831,
        "delta_z": -1.1985
      },
      {
        "ch": 360.0,
        "easting": 450839.4092,
        "northing": 6509380.8246,
        "existing_z": 167.2775,
        "design_z": 165.8644,
        "delta_z": -1.4131
      },
      {
        "ch": 370.0,
        "easting": 450834.0115,
        "northing": 6509389.2127,
        "existing_z": 167.673,
        "design_z": 165.9276,
        "delta_z": -1.7454
      },
      {
        "ch": 370.3141,
        "easting": 450833.8764,
        "northing": 6509389.4962,
        "existing_z": 167.685,
        "design_z": 165.9275,
        "delta_z": -1.7575
      },
      {
        "ch": 380.0,
        "easting": 450830.8243,
        "northing": 6509398.6645,
        "existing_z": 167.7016,
        "design_z": 165.9239,
        "delta_z": -1.7777
      },
      {
        "ch": 390.0,
        "easting": 450830.0,
        "northing": 6509408.6089,
        "existing_z": 167.632,
        "design_z": 165.9202,
        "delta_z": -1.7119
      },
      {
        "ch": 400.0,
        "easting": 450830.0,
        "northing": 6509418.6089,
        "existing_z": 167.1506,
        "design_z": 165.9165,
        "delta_z": -1.2342
      },
      {
        "ch": 410.0,
        "easting": 450830.3406,
        "northing": 6509428.5784,
        "existing_z": 166.5991,
        "design_z": 165.9127,
        "delta_z": -0.6864
      },
      {
        "ch": 420.0,
        "easting": 450836.3773,
        "northing": 6509436.3773,
        "existing_z": 165.9336,
        "design_z": 165.909,
        "delta_z": -0.0246
      },
      {
        "ch": 420.3769,
        "easting": 450836.6438,
        "northing": 6509436.6438,
        "existing_z": 165.9088,
        "design_z": 165.9088,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD002",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 33.593,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.57,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450894.0,
          6509354.28
        ],
        "end": [
          450923.09208568715,
          6509371.07638759
        ],
        "chainage_start": 0,
        "length": 33.59267904896195
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450894.0,
        "northing": 6509354.28,
        "existing_z": 163.3814,
        "design_z": 163.3814,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450902.6602,
        "northing": 6509359.28,
        "existing_z": 162.9683,
        "design_z": 162.9246,
        "delta_z": -0.0438
      },
      {
        "ch": 20.0,
        "easting": 450911.3205,
        "northing": 6509364.28,
        "existing_z": 162.5178,
        "design_z": 162.4677,
        "delta_z": -0.05
      },
      {
        "ch": 30.0,
        "easting": 450919.9807,
        "northing": 6509369.28,
        "existing_z": 162.0415,
        "design_z": 162.0109,
        "delta_z": -0.0306
      },
      {
        "ch": 33.5927,
        "easting": 450923.0921,
        "northing": 6509371.0764,
        "existing_z": 161.8468,
        "design_z": 161.8468,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD003",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 517.187,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.85,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450923.09208568715,
          6509371.07638759
        ],
        "end": [
          450952.0908759886,
          6509320.850482788
        ],
        "chainage_start": 0,
        "length": 57.99630464186906
      },
      {
        "type": "ARC",
        "centre": [
          450988.46175490087,
          6509341.8498355085
        ],
        "radius": 41.997781459834044,
        "start_angle_rad": -2.617981175822862,
        "sweep_rad": 1.5707854354736293,
        "start": [
          450952.0908759886,
          6509320.850482788
        ],
        "end": [
          451009.4607114936,
          6509305.478727888
        ],
        "chainage_start": 57.99630464186906,
        "length": 65.96950343931174,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451009.46071149333,
          6509305.478727887
        ],
        "end": [
          451350.0,
          6509502.09
        ],
        "chainage_start": 123.9658080811808,
        "length": 393.221310890331
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 73.8838741387874,
        "pvi_z": 158.22742377717353,
        "bvc": 53.883874138787405,
        "evc": 93.8838741387874,
        "length": 40.0,
        "g1": -0.04898718108705435,
        "g2": -0.05379604647504903,
        "z_bvc": 159.2071673989146,
        "K_m_per_percent": 83.17970409373464
      },
      {
        "pvi_ch": 147.7677482775748,
        "pvi_z": 154.25276345024665,
        "bvc": 127.76774827757481,
        "evc": 167.7677482775748,
        "length": 40.0,
        "g1": -0.05379604647504903,
        "g2": -0.05854508760975149,
        "z_bvc": 155.3286843797476,
        "K_m_per_percent": 84.22752902203722
      },
      {
        "pvi_ch": 221.65162241636222,
        "pvi_z": 149.9272255658435,
        "bvc": 201.65162241636222,
        "evc": 241.65162241636222,
        "length": 40.0,
        "g1": -0.05854508760975149,
        "g2": -0.05141964633904804,
        "z_bvc": 151.0981273180385,
        "K_m_per_percent": 56.13687416730481
      },
      {
        "pvi_ch": 295.5354965551496,
        "pvi_z": 146.1281428874683,
        "bvc": 275.5354965551496,
        "evc": 315.5354965551496,
        "length": 40.0,
        "g1": -0.05141964633904804,
        "g2": -0.030312146167714434,
        "z_bvc": 147.15653581424925,
        "K_m_per_percent": 18.950609818932783
      },
      {
        "pvi_ch": 369.419370693937,
        "pvi_z": 143.88856409513636,
        "bvc": 349.419370693937,
        "evc": 389.419370693937,
        "length": 40.0,
        "g1": -0.030312146167714434,
        "g2": -0.004295876148113368,
        "z_bvc": 144.49480701849066,
        "K_m_per_percent": 15.374994174746563
      },
      {
        "pvi_ch": 443.30324483272443,
        "pvi_z": 143.57116812249333,
        "bvc": 423.30324483272443,
        "evc": 463.30324483272443,
        "length": 40.0,
        "g1": -0.004295876148113368,
        "g2": 0.015884980354722356,
        "z_bvc": 143.6570856454556,
        "K_m_per_percent": 19.82076429431
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450923.0921,
        "northing": 6509371.0764,
        "existing_z": 161.8468,
        "design_z": 161.8468,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450928.0922,
        "northing": 6509362.4162,
        "existing_z": 161.3809,
        "design_z": 161.3569,
        "delta_z": -0.024
      },
      {
        "ch": 20.0,
        "easting": 450933.0923,
        "northing": 6509353.756,
        "existing_z": 160.9187,
        "design_z": 160.867,
        "delta_z": -0.0516
      },
      {
        "ch": 30.0,
        "easting": 450938.0924,
        "northing": 6509345.0958,
        "existing_z": 160.4396,
        "design_z": 160.3772,
        "delta_z": -0.0624
      },
      {
        "ch": 40.0,
        "easting": 450943.0925,
        "northing": 6509336.4356,
        "existing_z": 159.953,
        "design_z": 159.8873,
        "delta_z": -0.0657
      },
      {
        "ch": 50.0,
        "easting": 450948.0926,
        "northing": 6509327.7754,
        "existing_z": 159.484,
        "design_z": 159.3974,
        "delta_z": -0.0866
      },
      {
        "ch": 53.8839,
        "easting": 450950.0346,
        "northing": 6509324.4119,
        "existing_z": 159.3056,
        "design_z": 159.2072,
        "delta_z": -0.0984
      },
      {
        "ch": 60.0,
        "easting": 450953.1338,
        "northing": 6509319.1398,
        "existing_z": 159.0222,
        "design_z": 158.9053,
        "delta_z": -0.1168
      },
      {
        "ch": 70.0,
        "easting": 450959.487,
        "northing": 6509311.4479,
        "existing_z": 158.516,
        "design_z": 158.4021,
        "delta_z": -0.1139
      },
      {
        "ch": 73.8839,
        "easting": 450962.4183,
        "northing": 6509308.9021,
        "existing_z": 158.3116,
        "design_z": 158.2034,
        "delta_z": -0.1083
      },
      {
        "ch": 80.0,
        "easting": 450967.4752,
        "northing": 6509305.4716,
        "existing_z": 157.9893,
        "design_z": 157.8868,
        "delta_z": -0.1025
      },
      {
        "ch": 90.0,
        "easting": 450976.6476,
        "northing": 6509301.548,
        "existing_z": 157.4396,
        "design_z": 157.3595,
        "delta_z": -0.0801
      },
      {
        "ch": 93.8839,
        "easting": 450980.4199,
        "northing": 6509300.6292,
        "existing_z": 157.2224,
        "design_z": 157.1515,
        "delta_z": -0.0708
      },
      {
        "ch": 100.0,
        "easting": 450986.4867,
        "northing": 6509299.8985,
        "existing_z": 156.8805,
        "design_z": 156.8225,
        "delta_z": -0.058
      },
      {
        "ch": 110.0,
        "easting": 450996.4373,
        "northing": 6509300.6163,
        "existing_z": 156.3166,
        "design_z": 156.2845,
        "delta_z": -0.0321
      },
      {
        "ch": 120.0,
        "easting": 451005.9378,
        "northing": 6509303.6608,
        "existing_z": 155.7782,
        "design_z": 155.7466,
        "delta_z": -0.0316
      },
      {
        "ch": 127.7677,
        "easting": 451012.7533,
        "northing": 6509307.3797,
        "existing_z": 155.3845,
        "design_z": 155.3287,
        "delta_z": -0.0558
      },
      {
        "ch": 130.0,
        "easting": 451014.6865,
        "northing": 6509308.4958,
        "existing_z": 155.2685,
        "design_z": 155.2083,
        "delta_z": -0.0602
      },
      {
        "ch": 140.0,
        "easting": 451023.3467,
        "northing": 6509313.4958,
        "existing_z": 154.7523,
        "design_z": 154.6618,
        "delta_z": -0.0905
      },
      {
        "ch": 147.7677,
        "easting": 451030.0738,
        "northing": 6509317.3797,
        "existing_z": 154.3442,
        "design_z": 154.229,
        "delta_z": -0.1152
      },
      {
        "ch": 150.0,
        "easting": 451032.007,
        "northing": 6509318.4959,
        "existing_z": 154.218,
        "design_z": 154.1033,
        "delta_z": -0.1147
      },
      {
        "ch": 160.0,
        "easting": 451040.6672,
        "northing": 6509323.4959,
        "existing_z": 153.645,
        "design_z": 153.533,
        "delta_z": -0.112
      },
      {
        "ch": 167.7677,
        "easting": 451047.3943,
        "northing": 6509327.3798,
        "existing_z": 153.1911,
        "design_z": 153.0819,
        "delta_z": -0.1092
      },
      {
        "ch": 170.0,
        "easting": 451049.3274,
        "northing": 6509328.4959,
        "existing_z": 153.0592,
        "design_z": 152.9512,
        "delta_z": -0.1081
      },
      {
        "ch": 180.0,
        "easting": 451057.9877,
        "northing": 6509333.4959,
        "existing_z": 152.4419,
        "design_z": 152.3657,
        "delta_z": -0.0762
      },
      {
        "ch": 190.0,
        "easting": 451066.6479,
        "northing": 6509338.4959,
        "existing_z": 151.8092,
        "design_z": 151.7803,
        "delta_z": -0.029
      },
      {
        "ch": 200.0,
        "easting": 451075.3082,
        "northing": 6509343.4959,
        "existing_z": 151.1898,
        "design_z": 151.1948,
        "delta_z": 0.005
      },
      {
        "ch": 201.6516,
        "easting": 451076.7385,
        "northing": 6509344.3218,
        "existing_z": 151.089,
        "design_z": 151.0981,
        "delta_z": 0.0091
      },
      {
        "ch": 210.0,
        "easting": 451083.9684,
        "northing": 6509348.496,
        "existing_z": 150.5753,
        "design_z": 150.6156,
        "delta_z": 0.0402
      },
      {
        "ch": 220.0,
        "easting": 451092.6287,
        "northing": 6509353.496,
        "existing_z": 149.9421,
        "design_z": 150.0539,
        "delta_z": 0.1118
      },
      {
        "ch": 221.6516,
        "easting": 451094.059,
        "northing": 6509354.3218,
        "existing_z": 149.84,
        "design_z": 149.9629,
        "delta_z": 0.1229
      },
      {
        "ch": 230.0,
        "easting": 451101.2889,
        "northing": 6509358.496,
        "existing_z": 149.3246,
        "design_z": 149.51,
        "delta_z": 0.1855
      },
      {
        "ch": 240.0,
        "easting": 451109.9492,
        "northing": 6509363.496,
        "existing_z": 148.7092,
        "design_z": 148.984,
        "delta_z": 0.2748
      },
      {
        "ch": 241.6516,
        "easting": 451111.3795,
        "northing": 6509364.3218,
        "existing_z": 148.6144,
        "design_z": 148.8988,
        "delta_z": 0.2845
      },
      {
        "ch": 250.0,
        "easting": 451118.6094,
        "northing": 6509368.496,
        "existing_z": 148.1365,
        "design_z": 148.4696,
        "delta_z": 0.333
      },
      {
        "ch": 260.0,
        "easting": 451127.2697,
        "northing": 6509373.496,
        "existing_z": 147.5675,
        "design_z": 147.9554,
        "delta_z": 0.3878
      },
      {
        "ch": 270.0,
        "easting": 451135.9299,
        "northing": 6509378.4961,
        "existing_z": 147.045,
        "design_z": 147.4412,
        "delta_z": 0.3962
      },
      {
        "ch": 275.5355,
        "easting": 451140.7238,
        "northing": 6509381.2638,
        "existing_z": 146.7654,
        "design_z": 147.1565,
        "delta_z": 0.3911
      },
      {
        "ch": 280.0,
        "easting": 451144.5901,
        "northing": 6509383.4961,
        "existing_z": 146.5402,
        "design_z": 146.9322,
        "delta_z": 0.392
      },
      {
        "ch": 290.0,
        "easting": 451153.2504,
        "northing": 6509388.4961,
        "existing_z": 146.0652,
        "design_z": 146.468,
        "delta_z": 0.4028
      },
      {
        "ch": 295.5355,
        "easting": 451158.0443,
        "northing": 6509391.2638,
        "existing_z": 145.8294,
        "design_z": 146.2337,
        "delta_z": 0.4043
      },
      {
        "ch": 300.0,
        "easting": 451161.9106,
        "northing": 6509393.4961,
        "existing_z": 145.6401,
        "design_z": 146.0565,
        "delta_z": 0.4164
      },
      {
        "ch": 310.0,
        "easting": 451170.5709,
        "northing": 6509398.4961,
        "existing_z": 145.2112,
        "design_z": 145.6978,
        "delta_z": 0.4866
      },
      {
        "ch": 315.5355,
        "easting": 451175.3648,
        "northing": 6509401.2639,
        "existing_z": 145.0157,
        "design_z": 145.5219,
        "delta_z": 0.5062
      },
      {
        "ch": 320.0,
        "easting": 451179.2311,
        "northing": 6509403.4961,
        "existing_z": 144.852,
        "design_z": 145.3866,
        "delta_z": 0.5346
      },
      {
        "ch": 330.0,
        "easting": 451187.8914,
        "northing": 6509408.4961,
        "existing_z": 144.4661,
        "design_z": 145.0834,
        "delta_z": 0.6174
      },
      {
        "ch": 340.0,
        "easting": 451196.5516,
        "northing": 6509413.4962,
        "existing_z": 144.1958,
        "design_z": 144.7803,
        "delta_z": 0.5845
      },
      {
        "ch": 349.4194,
        "easting": 451204.709,
        "northing": 6509418.2059,
        "existing_z": 143.9651,
        "design_z": 144.4948,
        "delta_z": 0.5297
      },
      {
        "ch": 350.0,
        "easting": 451205.2119,
        "northing": 6509418.4962,
        "existing_z": 143.9503,
        "design_z": 144.4773,
        "delta_z": 0.5271
      },
      {
        "ch": 360.0,
        "easting": 451213.8721,
        "northing": 6509423.4962,
        "existing_z": 143.7244,
        "design_z": 144.2105,
        "delta_z": 0.4861
      },
      {
        "ch": 369.4194,
        "easting": 451222.0295,
        "northing": 6509428.2059,
        "existing_z": 143.5312,
        "design_z": 144.0186,
        "delta_z": 0.4874
      },
      {
        "ch": 370.0,
        "easting": 451222.5323,
        "northing": 6509428.4962,
        "existing_z": 143.5183,
        "design_z": 144.0087,
        "delta_z": 0.4904
      },
      {
        "ch": 380.0,
        "easting": 451231.1926,
        "northing": 6509433.4962,
        "existing_z": 143.2883,
        "design_z": 143.872,
        "delta_z": 0.5837
      },
      {
        "ch": 389.4194,
        "easting": 451239.35,
        "northing": 6509438.2059,
        "existing_z": 143.1434,
        "design_z": 143.8026,
        "delta_z": 0.6592
      },
      {
        "ch": 390.0,
        "easting": 451239.8528,
        "northing": 6509438.4962,
        "existing_z": 143.1341,
        "design_z": 143.8002,
        "delta_z": 0.666
      },
      {
        "ch": 400.0,
        "easting": 451248.5131,
        "northing": 6509443.4963,
        "existing_z": 142.9662,
        "design_z": 143.7572,
        "delta_z": 0.791
      },
      {
        "ch": 410.0,
        "easting": 451257.1733,
        "northing": 6509448.4963,
        "existing_z": 142.9502,
        "design_z": 143.7142,
        "delta_z": 0.764
      },
      {
        "ch": 420.0,
        "easting": 451265.8336,
        "northing": 6509453.4963,
        "existing_z": 142.9743,
        "design_z": 143.6713,
        "delta_z": 0.6969
      },
      {
        "ch": 423.3032,
        "easting": 451268.6943,
        "northing": 6509455.1479,
        "existing_z": 142.9818,
        "design_z": 143.6571,
        "delta_z": 0.6753
      },
      {
        "ch": 430.0,
        "easting": 451274.4938,
        "northing": 6509458.4963,
        "existing_z": 143.0697,
        "design_z": 143.6396,
        "delta_z": 0.5699
      },
      {
        "ch": 440.0,
        "easting": 451283.1541,
        "northing": 6509463.4963,
        "existing_z": 143.2258,
        "design_z": 143.6557,
        "delta_z": 0.4298
      },
      {
        "ch": 443.3032,
        "easting": 451286.0148,
        "northing": 6509465.1479,
        "existing_z": 143.2752,
        "design_z": 143.6721,
        "delta_z": 0.3969
      },
      {
        "ch": 450.0,
        "easting": 451291.8143,
        "northing": 6509468.4963,
        "existing_z": 143.3859,
        "design_z": 143.7222,
        "delta_z": 0.3363
      },
      {
        "ch": 460.0,
        "easting": 451300.4746,
        "northing": 6509473.4964,
        "existing_z": 143.6048,
        "design_z": 143.8391,
        "delta_z": 0.2343
      },
      {
        "ch": 463.3032,
        "easting": 451303.3352,
        "northing": 6509475.148,
        "existing_z": 143.6767,
        "design_z": 143.8889,
        "delta_z": 0.2121
      },
      {
        "ch": 470.0,
        "easting": 451309.1348,
        "northing": 6509478.4964,
        "existing_z": 143.818,
        "design_z": 143.9952,
        "delta_z": 0.1772
      },
      {
        "ch": 480.0,
        "easting": 451317.795,
        "northing": 6509483.4964,
        "existing_z": 144.0365,
        "design_z": 144.1541,
        "delta_z": 0.1176
      },
      {
        "ch": 490.0,
        "easting": 451326.4553,
        "northing": 6509488.4964,
        "existing_z": 144.2453,
        "design_z": 144.3129,
        "delta_z": 0.0676
      },
      {
        "ch": 500.0,
        "easting": 451335.1155,
        "northing": 6509493.4964,
        "existing_z": 144.4423,
        "design_z": 144.4718,
        "delta_z": 0.0295
      },
      {
        "ch": 510.0,
        "easting": 451343.7758,
        "northing": 6509498.4964,
        "existing_z": 144.6235,
        "design_z": 144.6306,
        "delta_z": 0.0071
      },
      {
        "ch": 517.1871,
        "easting": 451350.0,
        "northing": 6509502.09,
        "existing_z": 144.7448,
        "design_z": 144.7448,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD004",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 42.135,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.17,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450836.6437771921,
          6509436.643777193
        ],
        "end": [
          450873.1336456535,
          6509457.711215218
        ],
        "chainage_start": 0,
        "length": 42.13487208082775
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450836.6438,
        "northing": 6509436.6438,
        "existing_z": 165.9088,
        "design_z": 165.9088,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450845.304,
        "northing": 6509441.6438,
        "existing_z": 165.3558,
        "design_z": 165.2923,
        "delta_z": -0.0635
      },
      {
        "ch": 20.0,
        "easting": 450853.9643,
        "northing": 6509446.6438,
        "existing_z": 164.7327,
        "design_z": 164.6757,
        "delta_z": -0.0571
      },
      {
        "ch": 30.0,
        "easting": 450862.6245,
        "northing": 6509451.6438,
        "existing_z": 164.0682,
        "design_z": 164.0591,
        "delta_z": -0.0091
      },
      {
        "ch": 40.0,
        "easting": 450871.2848,
        "northing": 6509456.6438,
        "existing_z": 163.4566,
        "design_z": 163.4425,
        "delta_z": -0.0142
      },
      {
        "ch": 42.1349,
        "easting": 450873.1336,
        "northing": 6509457.7112,
        "existing_z": 163.3108,
        "design_z": 163.3108,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD005",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 42.988,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 6.04,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450836.6437771921,
          6509436.643777193
        ],
        "end": [
          450844.3903864207,
          6509444.390386421
        ],
        "chainage_start": 0,
        "length": 10.955359833538843
      },
      {
        "type": "ARC",
        "centre": [
          450868.15309086983,
          6509420.6276819715
        ],
        "radius": 33.60553891117393,
        "start_angle_rad": 2.3561944901800973,
        "sweep_rad": -0.46364760899243207,
        "start": [
          450844.3903864207,
          6509444.390386421
        ],
        "end": [
          450857.5260863744,
          6509452.508695458
        ],
        "chainage_start": 10.955359833538843,
        "length": 15.581127765067931,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450857.5260863743,
          6509452.508695459
        ],
        "end": [
          450873.1336456535,
          6509457.711215218
        ],
        "chainage_start": 26.536487598606776,
        "length": 16.45181201242229
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450836.6438,
        "northing": 6509436.6438,
        "existing_z": 165.9088,
        "design_z": 165.9088,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450843.7148,
        "northing": 6509443.7148,
        "existing_z": 165.2577,
        "design_z": 165.3045,
        "delta_z": 0.0468
      },
      {
        "ch": 20.0,
        "easting": 450851.5644,
        "northing": 6509449.8535,
        "existing_z": 164.6314,
        "design_z": 164.7001,
        "delta_z": 0.0688
      },
      {
        "ch": 30.0,
        "easting": 450860.8119,
        "northing": 6509453.604,
        "existing_z": 164.0421,
        "design_z": 164.0958,
        "delta_z": 0.0537
      },
      {
        "ch": 40.0,
        "easting": 450870.2987,
        "northing": 6509456.7662,
        "existing_z": 163.5026,
        "design_z": 163.4914,
        "delta_z": -0.0112
      },
      {
        "ch": 42.9883,
        "easting": 450873.1336,
        "northing": 6509457.7112,
        "existing_z": 163.3108,
        "design_z": 163.3108,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD006",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 120.575,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.45,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450764.9020141041,
          6509510.686511572
        ],
        "end": [
          450809.62729807536,
          6509433.222319733
        ],
        "chainage_start": 0,
        "length": 89.4486000091224
      },
      {
        "type": "ARC",
        "centre": [
          450818.759733313,
          6509438.495088346
        ],
        "radius": 10.545305221482124,
        "start_angle_rad": -2.6179811758202214,
        "sweep_rad": 1.5707836790457956,
        "start": [
          450809.62729807536,
          6509433.222319733
        ],
        "end": [
          450824.0323864207,
          6509429.362586421
        ],
        "chainage_start": 89.4486000091224,
        "length": 16.56439333246053,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450824.03238642076,
          6509429.362586421
        ],
        "end": [
          450836.6437771921,
          6509436.643777193
        ],
        "chainage_start": 106.01299334158293,
        "length": 14.562380170841587
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 60.28768675621226,
        "pvi_z": 164.19893109970187,
        "bvc": 40.28768675621226,
        "evc": 80.28768675621225,
        "length": 40.0,
        "g1": 0.05445618702024706,
        "g2": 0.028362556044872016,
        "z_bvc": 163.10980735929692,
        "K_m_per_percent": 15.329411241290495
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450764.902,
        "northing": 6509510.6865,
        "existing_z": 160.9159,
        "design_z": 160.9159,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450769.9021,
        "northing": 6509502.0263,
        "existing_z": 161.5822,
        "design_z": 161.4605,
        "delta_z": -0.1217
      },
      {
        "ch": 20.0,
        "easting": 450774.9022,
        "northing": 6509493.3661,
        "existing_z": 162.2126,
        "design_z": 162.005,
        "delta_z": -0.2075
      },
      {
        "ch": 30.0,
        "easting": 450779.9023,
        "northing": 6509484.7059,
        "existing_z": 162.82,
        "design_z": 162.5496,
        "delta_z": -0.2704
      },
      {
        "ch": 40.0,
        "easting": 450784.9025,
        "northing": 6509476.0457,
        "existing_z": 163.4108,
        "design_z": 163.0941,
        "delta_z": -0.3166
      },
      {
        "ch": 40.2877,
        "easting": 450785.0463,
        "northing": 6509475.7966,
        "existing_z": 163.4276,
        "design_z": 163.1098,
        "delta_z": -0.3178
      },
      {
        "ch": 50.0,
        "easting": 450789.9026,
        "northing": 6509467.3856,
        "existing_z": 164.0022,
        "design_z": 163.6079,
        "delta_z": -0.3943
      },
      {
        "ch": 60.0,
        "easting": 450794.9027,
        "northing": 6509458.7254,
        "existing_z": 164.5808,
        "design_z": 164.0565,
        "delta_z": -0.5242
      },
      {
        "ch": 60.2877,
        "easting": 450795.0465,
        "northing": 6509458.4762,
        "existing_z": 164.5973,
        "design_z": 164.0685,
        "delta_z": -0.5288
      },
      {
        "ch": 70.0,
        "easting": 450799.9028,
        "northing": 6509450.0652,
        "existing_z": 165.1514,
        "design_z": 164.4399,
        "delta_z": -0.7115
      },
      {
        "ch": 80.0,
        "easting": 450804.9029,
        "northing": 6509441.405,
        "existing_z": 165.7818,
        "design_z": 164.758,
        "delta_z": -1.0238
      },
      {
        "ch": 80.2877,
        "easting": 450805.0467,
        "northing": 6509441.1558,
        "existing_z": 165.7999,
        "design_z": 164.7662,
        "delta_z": -1.0337
      },
      {
        "ch": 90.0,
        "easting": 450809.9154,
        "northing": 6509432.7522,
        "existing_z": 166.4115,
        "design_z": 165.0416,
        "delta_z": -1.3698
      },
      {
        "ch": 100.0,
        "easting": 450818.2684,
        "northing": 6509427.9612,
        "existing_z": 166.684,
        "design_z": 165.3253,
        "delta_z": -1.3587
      },
      {
        "ch": 110.0,
        "easting": 450827.4852,
        "northing": 6509431.3561,
        "existing_z": 166.4472,
        "design_z": 165.6089,
        "delta_z": -0.8383
      },
      {
        "ch": 120.0,
        "easting": 450836.1455,
        "northing": 6509436.3561,
        "existing_z": 165.941,
        "design_z": 165.8925,
        "delta_z": -0.0484
      },
      {
        "ch": 120.5754,
        "easting": 450836.6438,
        "northing": 6509436.6438,
        "existing_z": 165.9088,
        "design_z": 165.9088,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD007",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 68.507,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 6.57,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450873.1336456535,
          6509457.711215218
        ],
        "end": [
          450898.00624115724,
          6509466.002080386
        ],
        "chainage_start": 0,
        "length": 26.218017703991183
      },
      {
        "type": "ARC",
        "centre": [
          450881.07078190177,
          6509516.808458151
        ],
        "radius": 53.554624467280945,
        "start_angle_rad": -1.24904577239413,
        "sweep_rad": 0.4636476089855505,
        "start": [
          450898.00624115724,
          6509466.002080386
        ],
        "end": [
          450918.93962002615,
          6509478.939620026
        ],
        "chainage_start": 26.218017703991183,
        "length": 24.830473584373873,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450918.93962002604,
          6509478.939620026
        ],
        "end": [
          450931.28480958607,
          6509491.284809586
        ],
        "chainage_start": 51.04849128836506,
        "length": 17.458734505326273
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450873.1336,
        "northing": 6509457.7112,
        "existing_z": 163.3108,
        "design_z": 163.3108,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450882.6205,
        "northing": 6509460.8735,
        "existing_z": 162.6899,
        "design_z": 162.6539,
        "delta_z": -0.036
      },
      {
        "ch": 20.0,
        "easting": 450892.1073,
        "northing": 6509464.0358,
        "existing_z": 162.0731,
        "design_z": 161.997,
        "delta_z": -0.0762
      },
      {
        "ch": 30.0,
        "easting": 450901.549,
        "northing": 6509467.3237,
        "existing_z": 161.3822,
        "design_z": 161.34,
        "delta_z": -0.0422
      },
      {
        "ch": 40.0,
        "easting": 450910.3794,
        "northing": 6509471.9855,
        "existing_z": 160.7068,
        "design_z": 160.6831,
        "delta_z": -0.0237
      },
      {
        "ch": 50.0,
        "easting": 450918.191,
        "northing": 6509478.2055,
        "existing_z": 160.013,
        "design_z": 160.0262,
        "delta_z": 0.0132
      },
      {
        "ch": 60.0,
        "easting": 450925.2693,
        "northing": 6509485.2693,
        "existing_z": 159.3597,
        "design_z": 159.3692,
        "delta_z": 0.0095
      },
      {
        "ch": 68.5072,
        "easting": 450931.2848,
        "northing": 6509491.2848,
        "existing_z": 158.8104,
        "design_z": 158.8104,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD008",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 67.147,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.7,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450873.1336456535,
          6509457.711215218
        ],
        "end": [
          450931.28480958607,
          6509491.284809586
        ],
        "chainage_start": 0,
        "length": 67.14718240927604
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450873.1336,
        "northing": 6509457.7112,
        "existing_z": 163.3108,
        "design_z": 163.3108,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450881.7939,
        "northing": 6509462.7112,
        "existing_z": 162.656,
        "design_z": 162.6406,
        "delta_z": -0.0154
      },
      {
        "ch": 20.0,
        "easting": 450890.4542,
        "northing": 6509467.7112,
        "existing_z": 162.0412,
        "design_z": 161.9704,
        "delta_z": -0.0708
      },
      {
        "ch": 30.0,
        "easting": 450899.1144,
        "northing": 6509472.7112,
        "existing_z": 161.3517,
        "design_z": 161.3001,
        "delta_z": -0.0516
      },
      {
        "ch": 40.0,
        "easting": 450907.7747,
        "northing": 6509477.7112,
        "existing_z": 160.6941,
        "design_z": 160.6299,
        "delta_z": -0.0642
      },
      {
        "ch": 50.0,
        "easting": 450916.4349,
        "northing": 6509482.7112,
        "existing_z": 160.0032,
        "design_z": 159.9596,
        "delta_z": -0.0436
      },
      {
        "ch": 60.0,
        "easting": 450925.0952,
        "northing": 6509487.7112,
        "existing_z": 159.3063,
        "design_z": 159.2894,
        "delta_z": -0.0169
      },
      {
        "ch": 67.1472,
        "easting": 450931.2848,
        "northing": 6509491.2848,
        "existing_z": 158.8104,
        "design_z": 158.8104,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD009",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 163.458,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.53,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451440.7099999998,
          6509557.28
        ],
        "end": [
          451392.9908,
          6509509.5608
        ],
        "chainage_start": 0,
        "length": 67.4851398255421
      },
      {
        "type": "ARC",
        "centre": [
          451415.9816000002,
          6509486.57
        ],
        "radius": 32.513901169980265,
        "start_angle_rad": 2.35619449019994,
        "sweep_rad": 1.5707963267915352,
        "start": [
          451392.9908,
          6509509.5608
        ],
        "end": [
          451392.99079999997,
          6509463.5792000005
        ],
        "chainage_start": 67.4851398255421,
        "length": 51.072716527468,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451392.99080000015,
          6509463.5792000005
        ],
        "end": [
          451424.74,
          6509431.83
        ],
        "chainage_start": 118.55785635301011,
        "length": 44.90014923468909
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 54.486001862566404,
        "pvi_z": 145.78451104677936,
        "bvc": 34.486001862566404,
        "evc": 74.48600186256641,
        "length": 40.0,
        "g1": 0.01864114940270627,
        "g2": 0.028565783404639663,
        "z_bvc": 145.41168805872522,
        "K_m_per_percent": 40.30375325901963
      },
      {
        "pvi_ch": 108.97200372513281,
        "pvi_z": 147.34094637457022,
        "bvc": 88.97200372513281,
        "evc": 128.97200372513282,
        "length": 40.0,
        "g1": 0.028565783404639663,
        "g2": 0.045287325565587976,
        "z_bvc": 146.76963070647744,
        "K_m_per_percent": 23.921238612438792
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451440.71,
        "northing": 6509557.28,
        "existing_z": 144.7688,
        "design_z": 144.7688,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451433.6389,
        "northing": 6509550.2089,
        "existing_z": 144.9058,
        "design_z": 144.9552,
        "delta_z": 0.0495
      },
      {
        "ch": 20.0,
        "easting": 451426.5679,
        "northing": 6509543.1379,
        "existing_z": 145.0778,
        "design_z": 145.1417,
        "delta_z": 0.0639
      },
      {
        "ch": 30.0,
        "easting": 451419.4968,
        "northing": 6509536.0668,
        "existing_z": 145.258,
        "design_z": 145.3281,
        "delta_z": 0.0701
      },
      {
        "ch": 34.486,
        "easting": 451416.3247,
        "northing": 6509532.8947,
        "existing_z": 145.3431,
        "design_z": 145.4117,
        "delta_z": 0.0686
      },
      {
        "ch": 40.0,
        "easting": 451412.4257,
        "northing": 6509528.9957,
        "existing_z": 145.4535,
        "design_z": 145.5182,
        "delta_z": 0.0648
      },
      {
        "ch": 50.0,
        "easting": 451405.3547,
        "northing": 6509521.9247,
        "existing_z": 145.6231,
        "design_z": 145.7307,
        "delta_z": 0.1077
      },
      {
        "ch": 54.486,
        "easting": 451402.1826,
        "northing": 6509518.7526,
        "existing_z": 145.6886,
        "design_z": 145.8341,
        "delta_z": 0.1455
      },
      {
        "ch": 60.0,
        "easting": 451398.2836,
        "northing": 6509514.8536,
        "existing_z": 145.7692,
        "design_z": 145.9681,
        "delta_z": 0.1989
      },
      {
        "ch": 70.0,
        "easting": 451391.283,
        "northing": 6509507.7156,
        "existing_z": 145.9127,
        "design_z": 146.2302,
        "delta_z": 0.3175
      },
      {
        "ch": 74.486,
        "easting": 451388.6095,
        "northing": 6509504.1177,
        "existing_z": 145.9776,
        "design_z": 146.3558,
        "delta_z": 0.3783
      },
      {
        "ch": 80.0,
        "easting": 451386.0405,
        "northing": 6509499.2462,
        "existing_z": 146.0771,
        "design_z": 146.5133,
        "delta_z": 0.4362
      },
      {
        "ch": 88.972,
        "easting": 451383.7195,
        "northing": 6509490.609,
        "existing_z": 146.3205,
        "design_z": 146.7696,
        "delta_z": 0.4491
      },
      {
        "ch": 90.0,
        "easting": 451383.608,
        "northing": 6509489.5872,
        "existing_z": 146.3542,
        "design_z": 146.7992,
        "delta_z": 0.445
      },
      {
        "ch": 100.0,
        "easting": 451384.2137,
        "northing": 6509479.645,
        "existing_z": 146.7347,
        "design_z": 147.1101,
        "delta_z": 0.3754
      },
      {
        "ch": 108.972,
        "easting": 451387.3023,
        "northing": 6509471.2516,
        "existing_z": 147.1381,
        "design_z": 147.4246,
        "delta_z": 0.2865
      },
      {
        "ch": 110.0,
        "easting": 451387.8009,
        "northing": 6509470.3527,
        "existing_z": 147.1867,
        "design_z": 147.4627,
        "delta_z": 0.276
      },
      {
        "ch": 120.0,
        "easting": 451394.0105,
        "northing": 6509462.5595,
        "existing_z": 147.6806,
        "design_z": 147.8572,
        "delta_z": 0.1766
      },
      {
        "ch": 128.972,
        "easting": 451400.3547,
        "northing": 6509456.2153,
        "existing_z": 148.1097,
        "design_z": 148.2467,
        "delta_z": 0.137
      },
      {
        "ch": 130.0,
        "easting": 451401.0816,
        "northing": 6509455.4884,
        "existing_z": 148.1594,
        "design_z": 148.2932,
        "delta_z": 0.1338
      },
      {
        "ch": 140.0,
        "easting": 451408.1527,
        "northing": 6509448.4173,
        "existing_z": 148.6555,
        "design_z": 148.7461,
        "delta_z": 0.0907
      },
      {
        "ch": 150.0,
        "easting": 451415.2238,
        "northing": 6509441.3462,
        "existing_z": 149.1453,
        "design_z": 149.199,
        "delta_z": 0.0537
      },
      {
        "ch": 160.0,
        "easting": 451422.2948,
        "northing": 6509434.2752,
        "existing_z": 149.6357,
        "design_z": 149.6519,
        "delta_z": 0.0162
      },
      {
        "ch": 163.458,
        "easting": 451424.74,
        "northing": 6509431.83,
        "existing_z": 149.8085,
        "design_z": 149.8085,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD010",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 37.43,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.12,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450931.28480958607,
          6509491.284809586
        ],
        "end": [
          450963.7004661838,
          6509510.0
        ],
        "chainage_start": 0,
        "length": 37.43037730113295
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450931.2848,
        "northing": 6509491.2848,
        "existing_z": 158.8104,
        "design_z": 158.8104,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450939.9451,
        "northing": 6509496.2848,
        "existing_z": 158.0901,
        "design_z": 158.0981,
        "delta_z": 0.0079
      },
      {
        "ch": 20.0,
        "easting": 450948.6053,
        "northing": 6509501.2848,
        "existing_z": 157.3698,
        "design_z": 157.3858,
        "delta_z": 0.016
      },
      {
        "ch": 30.0,
        "easting": 450957.2656,
        "northing": 6509506.2848,
        "existing_z": 156.6648,
        "design_z": 156.6735,
        "delta_z": 0.0087
      },
      {
        "ch": 37.4304,
        "easting": 450963.7005,
        "northing": 6509510.0,
        "existing_z": 156.1443,
        "design_z": 156.1443,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD011",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 39.57,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 6.74,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450931.28480958607,
          6509491.284809586
        ],
        "end": [
          450945.9311691316,
          6509505.931169132
        ],
        "chainage_start": 0,
        "length": 20.713080309089868
      },
      {
        "type": "ARC",
        "centre": [
          450955.7541957972,
          6509496.108142466
        ],
        "radius": 13.891857533897495,
        "start_angle_rad": 2.3561944901982708,
        "sweep_rad": -0.7853981634083339,
        "start": [
          450945.9311691316,
          6509505.931169132
        ],
        "end": [
          450955.7541957972,
          6509510.0
        ],
        "chainage_start": 20.713080309089868,
        "length": 10.91063939345332,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450955.75419579726,
          6509510.0
        ],
        "end": [
          450963.7004661838,
          6509510.0
        ],
        "chainage_start": 31.623719702543188,
        "length": 7.946270386513788
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450931.2848,
        "northing": 6509491.2848,
        "existing_z": 158.8104,
        "design_z": 158.8104,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450938.3559,
        "northing": 6509498.3559,
        "existing_z": 158.1429,
        "design_z": 158.1366,
        "delta_z": -0.0063
      },
      {
        "ch": 20.0,
        "easting": 450945.4269,
        "northing": 6509505.4269,
        "existing_z": 157.4754,
        "design_z": 157.4628,
        "delta_z": -0.0126
      },
      {
        "ch": 30.0,
        "easting": 450954.1342,
        "northing": 6509509.9052,
        "existing_z": 156.7747,
        "design_z": 156.7891,
        "delta_z": 0.0143
      },
      {
        "ch": 39.57,
        "easting": 450963.7005,
        "northing": 6509510.0,
        "existing_z": 156.1443,
        "design_z": 156.1443,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD012",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 189.255,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.09,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451440.7099999998,
          6509557.28
        ],
        "end": [
          451486.8718,
          6509511.1182
        ],
        "chainage_start": 0,
        "length": 65.28264362363903
      },
      {
        "type": "ARC",
        "centre": [
          451516.57,
          6509540.8164
        ],
        "radius": 41.99959721804886,
        "start_angle_rad": -2.356194490200185,
        "sweep_rad": 1.5707963267952525,
        "start": [
          451486.8718,
          6509511.1182
        ],
        "end": [
          451546.2682,
          6509511.1182
        ],
        "chainage_start": 65.28264362363903,
        "length": 65.97281303699125,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451546.26819999976,
          6509511.118199999
        ],
        "end": [
          451587.28,
          6509552.13
        ],
        "chainage_start": 131.25545666063027,
        "length": 57.99944377783741
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 63.084966812822564,
        "pvi_z": 146.71771285327907,
        "bvc": 43.084966812822564,
        "evc": 83.08496681282256,
        "length": 40.0,
        "g1": 0.03089299410045525,
        "g2": 0.02196947572435762,
        "z_bvc": 146.09985297126997,
        "K_m_per_percent": 44.82536855321918
      },
      {
        "pvi_ch": 126.16993362564513,
        "pvi_z": 148.10365650024528,
        "bvc": 106.16993362564513,
        "evc": 146.16993362564511,
        "length": 40.0,
        "g1": 0.02196947572435762,
        "g2": -0.0020122292008379404,
        "z_bvc": 147.66426698575813,
        "K_m_per_percent": 16.679381272002626
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451440.71,
        "northing": 6509557.28,
        "existing_z": 144.7688,
        "design_z": 144.7688,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451447.7811,
        "northing": 6509550.2089,
        "existing_z": 145.0548,
        "design_z": 145.0778,
        "delta_z": 0.023
      },
      {
        "ch": 20.0,
        "easting": 451454.8521,
        "northing": 6509543.1379,
        "existing_z": 145.3553,
        "design_z": 145.3867,
        "delta_z": 0.0314
      },
      {
        "ch": 30.0,
        "easting": 451461.9232,
        "northing": 6509536.0668,
        "existing_z": 145.6435,
        "design_z": 145.6956,
        "delta_z": 0.0521
      },
      {
        "ch": 40.0,
        "easting": 451468.9943,
        "northing": 6509528.9957,
        "existing_z": 145.9213,
        "design_z": 146.0045,
        "delta_z": 0.0833
      },
      {
        "ch": 43.085,
        "easting": 451471.1757,
        "northing": 6509526.8143,
        "existing_z": 146.0322,
        "design_z": 146.0999,
        "delta_z": 0.0677
      },
      {
        "ch": 50.0,
        "easting": 451476.0653,
        "northing": 6509521.9247,
        "existing_z": 146.2955,
        "design_z": 146.3081,
        "delta_z": 0.0126
      },
      {
        "ch": 60.0,
        "easting": 451483.1364,
        "northing": 6509514.8536,
        "existing_z": 146.6586,
        "design_z": 146.5905,
        "delta_z": -0.0681
      },
      {
        "ch": 63.085,
        "easting": 451485.3178,
        "northing": 6509512.6722,
        "existing_z": 146.7664,
        "design_z": 146.6731,
        "delta_z": -0.0933
      },
      {
        "ch": 70.0,
        "easting": 451490.3876,
        "northing": 6509507.9767,
        "existing_z": 147.0157,
        "design_z": 146.8505,
        "delta_z": -0.1651
      },
      {
        "ch": 80.0,
        "easting": 451498.8716,
        "northing": 6509502.7279,
        "existing_z": 147.4179,
        "design_z": 147.0883,
        "delta_z": -0.3297
      },
      {
        "ch": 83.085,
        "easting": 451501.7145,
        "northing": 6509501.5318,
        "existing_z": 147.5276,
        "design_z": 147.1571,
        "delta_z": -0.3705
      },
      {
        "ch": 90.0,
        "easting": 451508.3543,
        "northing": 6509499.6282,
        "existing_z": 147.7464,
        "design_z": 147.309,
        "delta_z": -0.4373
      },
      {
        "ch": 100.0,
        "easting": 451518.3005,
        "northing": 6509498.8525,
        "existing_z": 148.0491,
        "design_z": 147.5287,
        "delta_z": -0.5204
      },
      {
        "ch": 106.1699,
        "easting": 451524.4244,
        "northing": 6509499.5578,
        "existing_z": 148.2018,
        "design_z": 147.6643,
        "delta_z": -0.5375
      },
      {
        "ch": 110.0,
        "easting": 451528.149,
        "northing": 6509500.4445,
        "existing_z": 148.2801,
        "design_z": 147.744,
        "delta_z": -0.5361
      },
      {
        "ch": 120.0,
        "easting": 451537.3442,
        "northing": 6509504.3144,
        "existing_z": 148.4341,
        "design_z": 147.9108,
        "delta_z": -0.5233
      },
      {
        "ch": 126.1699,
        "easting": 451542.4635,
        "northing": 6509507.7484,
        "existing_z": 148.4821,
        "design_z": 147.9837,
        "delta_z": -0.4984
      },
      {
        "ch": 130.0,
        "easting": 451545.3673,
        "northing": 6509510.2439,
        "existing_z": 148.4935,
        "design_z": 148.0176,
        "delta_z": -0.4759
      },
      {
        "ch": 140.0,
        "easting": 451552.4515,
        "northing": 6509517.3015,
        "existing_z": 148.4932,
        "design_z": 148.0644,
        "delta_z": -0.4288
      },
      {
        "ch": 146.1699,
        "easting": 451556.8143,
        "northing": 6509521.6643,
        "existing_z": 148.4708,
        "design_z": 148.0634,
        "delta_z": -0.4074
      },
      {
        "ch": 150.0,
        "easting": 451559.5226,
        "northing": 6509524.3726,
        "existing_z": 148.4531,
        "design_z": 148.0557,
        "delta_z": -0.3974
      },
      {
        "ch": 160.0,
        "easting": 451566.5937,
        "northing": 6509531.4437,
        "existing_z": 148.3937,
        "design_z": 148.0356,
        "delta_z": -0.3581
      },
      {
        "ch": 170.0,
        "easting": 451573.6647,
        "northing": 6509538.5147,
        "existing_z": 148.2879,
        "design_z": 148.0155,
        "delta_z": -0.2724
      },
      {
        "ch": 180.0,
        "easting": 451580.7358,
        "northing": 6509545.5858,
        "existing_z": 148.1335,
        "design_z": 147.9953,
        "delta_z": -0.1382
      },
      {
        "ch": 189.2549,
        "easting": 451587.28,
        "northing": 6509552.13,
        "existing_z": 147.9767,
        "design_z": 147.9767,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD013",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 561.337,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.91,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451234.64409521094,
          6509666.429396807
        ],
        "end": [
          451251.7227199886,
          6509676.289746659
        ],
        "chainage_start": 0,
        "length": 19.720697844995243
      },
      {
        "type": "ARC",
        "centre": [
          451258.8627066453,
          6509663.922928558
        ],
        "radius": 14.279971967687219,
        "start_angle_rad": 2.0943951567897052,
        "sweep_rad": -1.5708336768945192,
        "start": [
          451251.7227199886,
          6509676.289746659
        ],
        "end": [
          451271.2297914167,
          6509671.062453308
        ],
        "chainage_start": 19.720697844995243,
        "length": 22.431460871952776,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451271.22979141684,
          6509671.062453307
        ],
        "end": [
          451293.09,
          6509633.1962
        ],
        "chainage_start": 42.15215871694802,
        "length": 43.72324163207499
      },
      {
        "type": "ARC",
        "centre": [
          451256.7123831972,
          6509612.195382079
        ],
        "radius": 42.004349270172256,
        "start_angle_rad": 0.5235614798995102,
        "sweep_rad": -1.5707573789259286,
        "start": [
          451293.09,
          6509633.1962
        ],
        "end": [
          451277.7146179331,
          6509575.818583241
        ],
        "chainage_start": 85.87540034902301,
        "length": 65.97864156310501,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451277.714617933,
          6509575.818583241
        ],
        "end": [
          450923.09208568715,
          6509371.07638759
        ],
        "chainage_start": 151.85404191212803,
        "length": 409.48321950527236
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.16715767717506,
        "pvi_z": 139.890215183115,
        "bvc": 50.167157677175055,
        "evc": 90.16715767717506,
        "length": 40.0,
        "g1": 0.012718813129414173,
        "g2": 0.011187523615404836,
        "z_bvc": 139.6358389205267,
        "K_m_per_percent": 261.2177490543183
      },
      {
        "pvi_ch": 140.3343153543501,
        "pvi_z": 140.67521191665423,
        "bvc": 120.33431535435011,
        "evc": 160.3343153543501,
        "length": 40.0,
        "g1": 0.011187523615404836,
        "g2": 0.016754851094168067,
        "z_bvc": 140.45146144434614,
        "K_m_per_percent": 71.84775846684325
      },
      {
        "pvi_ch": 210.50147303152517,
        "pvi_z": 141.8508521952363,
        "bvc": 190.50147303152517,
        "evc": 230.50147303152517,
        "length": 40.0,
        "g1": 0.016754851094168067,
        "g2": 0.03691486654044428,
        "z_bvc": 141.51575517335294,
        "K_m_per_percent": 19.841254639211336
      },
      {
        "pvi_ch": 280.6686307087002,
        "pvi_z": 144.44106345641154,
        "bvc": 260.6686307087002,
        "evc": 300.6686307087002,
        "length": 40.0,
        "g1": 0.03691486654044428,
        "g2": 0.05069706648235495,
        "z_bvc": 143.70276612560266,
        "K_m_per_percent": 29.02294275848002
      },
      {
        "pvi_ch": 350.8357883858753,
        "pvi_z": 147.99833251404917,
        "bvc": 330.8357883858753,
        "evc": 370.8357883858753,
        "length": 40.0,
        "g1": 0.05069706648235495,
        "g2": 0.06088972917781424,
        "z_bvc": 146.98439118440206,
        "K_m_per_percent": 39.243916133729726
      },
      {
        "pvi_ch": 421.00294606305033,
        "pvi_z": 152.27079174218935,
        "bvc": 401.00294606305033,
        "evc": 441.00294606305033,
        "length": 40.0,
        "g1": 0.06088972917781424,
        "g2": 0.06735908876830922,
        "z_bvc": 151.05299715863305,
        "K_m_per_percent": 61.829922174629864
      },
      {
        "pvi_ch": 491.1701037402254,
        "pvi_z": 156.99718754478613,
        "bvc": 471.1701037402254,
        "evc": 511.1701037402254,
        "length": 40.0,
        "g1": 0.06735908876830922,
        "g2": 0.06911494087517889,
        "z_bvc": 155.65000576941995,
        "K_m_per_percent": 227.80961929254948
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451234.6441,
        "northing": 6509666.4294,
        "existing_z": 138.9978,
        "design_z": 138.9978,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451243.3043,
        "northing": 6509671.4294,
        "existing_z": 139.208,
        "design_z": 139.125,
        "delta_z": -0.083
      },
      {
        "ch": 20.0,
        "easting": 451251.966,
        "northing": 6509676.427,
        "existing_z": 139.4738,
        "design_z": 139.2521,
        "delta_z": -0.2217
      },
      {
        "ch": 30.0,
        "easting": 451261.6471,
        "northing": 6509677.9288,
        "existing_z": 139.6964,
        "design_z": 139.3793,
        "delta_z": -0.3171
      },
      {
        "ch": 40.0,
        "easting": 451270.0177,
        "northing": 6509672.8383,
        "existing_z": 139.8367,
        "design_z": 139.5065,
        "delta_z": -0.3302
      },
      {
        "ch": 50.0,
        "easting": 451275.1535,
        "northing": 6509664.2659,
        "existing_z": 139.8357,
        "design_z": 139.6337,
        "delta_z": -0.202
      },
      {
        "ch": 50.1672,
        "easting": 451275.237,
        "northing": 6509664.1211,
        "existing_z": 139.836,
        "design_z": 139.6358,
        "delta_z": -0.2001
      },
      {
        "ch": 60.0,
        "easting": 451280.1531,
        "northing": 6509655.6054,
        "existing_z": 139.8586,
        "design_z": 139.7591,
        "delta_z": -0.0996
      },
      {
        "ch": 70.0,
        "easting": 451285.1528,
        "northing": 6509646.945,
        "existing_z": 139.9203,
        "design_z": 139.8806,
        "delta_z": -0.0397
      },
      {
        "ch": 70.1672,
        "easting": 451285.2364,
        "northing": 6509646.8002,
        "existing_z": 139.9221,
        "design_z": 139.8826,
        "delta_z": -0.0395
      },
      {
        "ch": 80.0,
        "easting": 451290.1525,
        "northing": 6509638.2846,
        "existing_z": 140.0254,
        "design_z": 139.9982,
        "delta_z": -0.0272
      },
      {
        "ch": 90.0,
        "easting": 451294.9736,
        "northing": 6509629.5287,
        "existing_z": 140.147,
        "design_z": 140.1121,
        "delta_z": -0.0349
      },
      {
        "ch": 90.1672,
        "easting": 451295.0423,
        "northing": 6509629.3763,
        "existing_z": 140.1504,
        "design_z": 140.114,
        "delta_z": -0.0364
      },
      {
        "ch": 100.0,
        "easting": 451297.9821,
        "northing": 6509620.0167,
        "existing_z": 140.3516,
        "design_z": 140.224,
        "delta_z": -0.1276
      },
      {
        "ch": 110.0,
        "easting": 451298.6626,
        "northing": 6509610.0636,
        "existing_z": 140.534,
        "design_z": 140.3358,
        "delta_z": -0.1981
      },
      {
        "ch": 120.0,
        "easting": 451296.9766,
        "northing": 6509600.2306,
        "existing_z": 140.6458,
        "design_z": 140.4477,
        "delta_z": -0.198
      },
      {
        "ch": 120.3343,
        "easting": 451296.8801,
        "northing": 6509599.9106,
        "existing_z": 140.6481,
        "design_z": 140.4515,
        "delta_z": -0.1966
      },
      {
        "ch": 130.0,
        "easting": 451293.0194,
        "northing": 6509591.0727,
        "existing_z": 140.6697,
        "design_z": 140.5661,
        "delta_z": -0.1036
      },
      {
        "ch": 140.0,
        "easting": 451287.014,
        "northing": 6509583.1062,
        "existing_z": 140.6444,
        "design_z": 140.6984,
        "delta_z": 0.054
      },
      {
        "ch": 140.3343,
        "easting": 451286.7815,
        "northing": 6509582.866,
        "existing_z": 140.6434,
        "design_z": 140.703,
        "delta_z": 0.0597
      },
      {
        "ch": 150.0,
        "easting": 451279.2993,
        "northing": 6509576.7807,
        "existing_z": 140.581,
        "design_z": 140.8446,
        "delta_z": 0.2636
      },
      {
        "ch": 160.0,
        "easting": 451270.66,
        "northing": 6509571.7456,
        "existing_z": 140.4736,
        "design_z": 141.0047,
        "delta_z": 0.5311
      },
      {
        "ch": 160.3343,
        "easting": 451270.3705,
        "northing": 6509571.5784,
        "existing_z": 140.47,
        "design_z": 141.0103,
        "delta_z": 0.5403
      },
      {
        "ch": 170.0,
        "easting": 451261.9998,
        "northing": 6509566.7456,
        "existing_z": 140.591,
        "design_z": 141.1723,
        "delta_z": 0.5812
      },
      {
        "ch": 180.0,
        "easting": 451253.3395,
        "northing": 6509561.7456,
        "existing_z": 140.7342,
        "design_z": 141.3398,
        "delta_z": 0.6056
      },
      {
        "ch": 190.0,
        "easting": 451244.6793,
        "northing": 6509556.7455,
        "existing_z": 140.9608,
        "design_z": 141.5074,
        "delta_z": 0.5465
      },
      {
        "ch": 190.5015,
        "easting": 451244.245,
        "northing": 6509556.4948,
        "existing_z": 140.9748,
        "design_z": 141.5158,
        "delta_z": 0.541
      },
      {
        "ch": 200.0,
        "easting": 451236.019,
        "northing": 6509551.7455,
        "existing_z": 141.2308,
        "design_z": 141.6976,
        "delta_z": 0.4669
      },
      {
        "ch": 210.0,
        "easting": 451227.3588,
        "northing": 6509546.7455,
        "existing_z": 141.5088,
        "design_z": 141.9383,
        "delta_z": 0.4294
      },
      {
        "ch": 210.5015,
        "easting": 451226.9245,
        "northing": 6509546.4948,
        "existing_z": 141.5259,
        "design_z": 141.9517,
        "delta_z": 0.4258
      },
      {
        "ch": 220.0,
        "easting": 451218.6985,
        "northing": 6509541.7455,
        "existing_z": 141.847,
        "design_z": 142.2293,
        "delta_z": 0.3823
      },
      {
        "ch": 230.0,
        "easting": 451210.0383,
        "northing": 6509536.7455,
        "existing_z": 142.1808,
        "design_z": 142.5707,
        "delta_z": 0.3899
      },
      {
        "ch": 230.5015,
        "easting": 451209.604,
        "northing": 6509536.4948,
        "existing_z": 142.2012,
        "design_z": 142.5891,
        "delta_z": 0.388
      },
      {
        "ch": 240.0,
        "easting": 451201.3781,
        "northing": 6509531.7455,
        "existing_z": 142.5951,
        "design_z": 142.9398,
        "delta_z": 0.3447
      },
      {
        "ch": 250.0,
        "easting": 451192.7178,
        "northing": 6509526.7455,
        "existing_z": 142.9957,
        "design_z": 143.3089,
        "delta_z": 0.3132
      },
      {
        "ch": 260.0,
        "easting": 451184.0576,
        "northing": 6509521.7454,
        "existing_z": 143.406,
        "design_z": 143.6781,
        "delta_z": 0.272
      },
      {
        "ch": 260.6686,
        "easting": 451183.4785,
        "northing": 6509521.4111,
        "existing_z": 143.4341,
        "design_z": 143.7028,
        "delta_z": 0.2686
      },
      {
        "ch": 270.0,
        "easting": 451175.3973,
        "northing": 6509516.7454,
        "existing_z": 143.8281,
        "design_z": 144.0622,
        "delta_z": 0.2342
      },
      {
        "ch": 280.0,
        "easting": 451166.7371,
        "northing": 6509511.7454,
        "existing_z": 144.2672,
        "design_z": 144.4808,
        "delta_z": 0.2136
      },
      {
        "ch": 280.6686,
        "easting": 451166.158,
        "northing": 6509511.4111,
        "existing_z": 144.2982,
        "design_z": 144.51,
        "delta_z": 0.2118
      },
      {
        "ch": 290.0,
        "easting": 451158.0768,
        "northing": 6509506.7454,
        "existing_z": 144.7303,
        "design_z": 144.9337,
        "delta_z": 0.2034
      },
      {
        "ch": 300.0,
        "easting": 451149.4166,
        "northing": 6509501.7454,
        "existing_z": 145.2033,
        "design_z": 145.4212,
        "delta_z": 0.2179
      },
      {
        "ch": 300.6686,
        "easting": 451148.8375,
        "northing": 6509501.4111,
        "existing_z": 145.236,
        "design_z": 145.455,
        "delta_z": 0.219
      },
      {
        "ch": 310.0,
        "easting": 451140.7563,
        "northing": 6509496.7454,
        "existing_z": 145.6969,
        "design_z": 145.9281,
        "delta_z": 0.2312
      },
      {
        "ch": 320.0,
        "easting": 451132.0961,
        "northing": 6509491.7454,
        "existing_z": 146.1988,
        "design_z": 146.435,
        "delta_z": 0.2362
      },
      {
        "ch": 330.0,
        "easting": 451123.4358,
        "northing": 6509486.7453,
        "existing_z": 146.7236,
        "design_z": 146.942,
        "delta_z": 0.2184
      },
      {
        "ch": 330.8358,
        "easting": 451122.712,
        "northing": 6509486.3275,
        "existing_z": 146.7678,
        "design_z": 146.9844,
        "delta_z": 0.2166
      },
      {
        "ch": 340.0,
        "easting": 451114.7756,
        "northing": 6509481.7453,
        "existing_z": 147.2528,
        "design_z": 147.4597,
        "delta_z": 0.2069
      },
      {
        "ch": 350.0,
        "easting": 451106.1153,
        "northing": 6509476.7453,
        "existing_z": 147.8171,
        "design_z": 148.0028,
        "delta_z": 0.1857
      },
      {
        "ch": 350.8358,
        "easting": 451105.3915,
        "northing": 6509476.3274,
        "existing_z": 147.868,
        "design_z": 148.0493,
        "delta_z": 0.1813
      },
      {
        "ch": 360.0,
        "easting": 451097.4551,
        "northing": 6509471.7453,
        "existing_z": 148.4302,
        "design_z": 148.5713,
        "delta_z": 0.1411
      },
      {
        "ch": 370.0,
        "easting": 451088.7949,
        "northing": 6509466.7453,
        "existing_z": 149.0417,
        "design_z": 149.1653,
        "delta_z": 0.1236
      },
      {
        "ch": 370.8358,
        "easting": 451088.071,
        "northing": 6509466.3274,
        "existing_z": 149.0949,
        "design_z": 149.2161,
        "delta_z": 0.1212
      },
      {
        "ch": 380.0,
        "easting": 451080.1346,
        "northing": 6509461.7453,
        "existing_z": 149.6817,
        "design_z": 149.7741,
        "delta_z": 0.0924
      },
      {
        "ch": 390.0,
        "easting": 451071.4744,
        "northing": 6509456.7453,
        "existing_z": 150.3287,
        "design_z": 150.383,
        "delta_z": 0.0544
      },
      {
        "ch": 400.0,
        "easting": 451062.8141,
        "northing": 6509451.7452,
        "existing_z": 150.9476,
        "design_z": 150.9919,
        "delta_z": 0.0443
      },
      {
        "ch": 401.0029,
        "easting": 451061.9455,
        "northing": 6509451.2438,
        "existing_z": 151.0093,
        "design_z": 151.053,
        "delta_z": 0.0437
      },
      {
        "ch": 410.0,
        "easting": 451054.1539,
        "northing": 6509446.7452,
        "existing_z": 151.5477,
        "design_z": 151.6074,
        "delta_z": 0.0597
      },
      {
        "ch": 420.0,
        "easting": 451045.4936,
        "northing": 6509441.7452,
        "existing_z": 152.1254,
        "design_z": 152.2389,
        "delta_z": 0.1135
      },
      {
        "ch": 421.0029,
        "easting": 451044.6251,
        "northing": 6509441.2437,
        "existing_z": 152.1819,
        "design_z": 152.3031,
        "delta_z": 0.1212
      },
      {
        "ch": 430.0,
        "easting": 451036.8334,
        "northing": 6509436.7452,
        "existing_z": 152.6962,
        "design_z": 152.8866,
        "delta_z": 0.1904
      },
      {
        "ch": 440.0,
        "easting": 451028.1731,
        "northing": 6509431.7452,
        "existing_z": 153.287,
        "design_z": 153.5505,
        "delta_z": 0.2635
      },
      {
        "ch": 441.0029,
        "easting": 451027.3046,
        "northing": 6509431.2437,
        "existing_z": 153.3483,
        "design_z": 153.618,
        "delta_z": 0.2697
      },
      {
        "ch": 450.0,
        "easting": 451019.5129,
        "northing": 6509426.7452,
        "existing_z": 153.9193,
        "design_z": 154.224,
        "delta_z": 0.3047
      },
      {
        "ch": 460.0,
        "easting": 451010.8526,
        "northing": 6509421.7452,
        "existing_z": 154.5899,
        "design_z": 154.8976,
        "delta_z": 0.3077
      },
      {
        "ch": 470.0,
        "easting": 451002.1924,
        "northing": 6509416.7451,
        "existing_z": 155.348,
        "design_z": 155.5712,
        "delta_z": 0.2232
      },
      {
        "ch": 471.1701,
        "easting": 451001.1791,
        "northing": 6509416.1601,
        "existing_z": 155.4382,
        "design_z": 155.65,
        "delta_z": 0.2118
      },
      {
        "ch": 480.0,
        "easting": 450993.5322,
        "northing": 6509411.7451,
        "existing_z": 156.1238,
        "design_z": 156.2465,
        "delta_z": 0.1227
      },
      {
        "ch": 490.0,
        "easting": 450984.8719,
        "northing": 6509406.7451,
        "existing_z": 156.9127,
        "design_z": 156.9262,
        "delta_z": 0.0135
      },
      {
        "ch": 491.1701,
        "easting": 450983.8586,
        "northing": 6509406.1601,
        "existing_z": 157.0052,
        "design_z": 157.006,
        "delta_z": 0.0008
      },
      {
        "ch": 500.0,
        "easting": 450976.2117,
        "northing": 6509401.7451,
        "existing_z": 157.6992,
        "design_z": 157.6102,
        "delta_z": -0.089
      },
      {
        "ch": 510.0,
        "easting": 450967.5514,
        "northing": 6509396.7451,
        "existing_z": 158.4744,
        "design_z": 158.2986,
        "delta_z": -0.1758
      },
      {
        "ch": 511.1701,
        "easting": 450966.5381,
        "northing": 6509396.16,
        "existing_z": 158.5638,
        "design_z": 158.3795,
        "delta_z": -0.1844
      },
      {
        "ch": 520.0,
        "easting": 450958.8912,
        "northing": 6509391.7451,
        "existing_z": 159.2342,
        "design_z": 158.9898,
        "delta_z": -0.2444
      },
      {
        "ch": 530.0,
        "easting": 450950.2309,
        "northing": 6509386.7451,
        "existing_z": 159.933,
        "design_z": 159.6809,
        "delta_z": -0.2521
      },
      {
        "ch": 540.0,
        "easting": 450941.5707,
        "northing": 6509381.745,
        "existing_z": 160.5631,
        "design_z": 160.3721,
        "delta_z": -0.1911
      },
      {
        "ch": 550.0,
        "easting": 450932.9104,
        "northing": 6509376.745,
        "existing_z": 161.1758,
        "design_z": 161.0632,
        "delta_z": -0.1126
      },
      {
        "ch": 560.0,
        "easting": 450924.2502,
        "northing": 6509371.745,
        "existing_z": 161.7692,
        "design_z": 161.7544,
        "delta_z": -0.0149
      },
      {
        "ch": 561.3373,
        "easting": 450923.0921,
        "northing": 6509371.0764,
        "existing_z": 161.8468,
        "design_z": 161.8468,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD014",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 127.539,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.68,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450685.81205275113,
          6509580.496444224
        ],
        "end": [
          450728.75599310925,
          6509506.108950736
        ],
        "chainage_start": 0,
        "length": 85.89342932358313
      },
      {
        "type": "ARC",
        "centre": [
          450740.97441588045,
          6509513.162652832
        ],
        "radius": 14.108315571998174,
        "start_angle_rad": -2.6180311736799387,
        "sweep_rad": 1.5708395364296686,
        "start": [
          450728.75599310925,
          6509506.108950736
        ],
        "end": [
          450748.0286459237,
          6509500.944534861
        ],
        "chainage_start": 85.89342932358313,
        "length": 22.161899892921085,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450748.0286459239,
          6509500.944534861
        ],
        "end": [
          450764.9020141041,
          6509510.686511572
        ],
        "chainage_start": 108.05532921650422,
        "length": 19.48375384778652
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 63.76954153214537,
        "pvi_z": 158.1350178962404,
        "bvc": 43.76954153214537,
        "evc": 83.76954153214537,
        "length": 40.0,
        "g1": 0.06676576566277163,
        "g2": 0.043608211563592396,
        "z_bvc": 156.799702582985,
        "K_m_per_percent": 17.272981347118044
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450685.8121,
        "northing": 6509580.4964,
        "existing_z": 153.8774,
        "design_z": 153.8774,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450690.8117,
        "northing": 6509571.836,
        "existing_z": 154.6266,
        "design_z": 154.5451,
        "delta_z": -0.0815
      },
      {
        "ch": 20.0,
        "easting": 450695.8114,
        "northing": 6509563.1756,
        "existing_z": 155.3739,
        "design_z": 155.2127,
        "delta_z": -0.1612
      },
      {
        "ch": 30.0,
        "easting": 450700.8111,
        "northing": 6509554.5151,
        "existing_z": 156.1,
        "design_z": 155.8804,
        "delta_z": -0.2196
      },
      {
        "ch": 40.0,
        "easting": 450705.8108,
        "northing": 6509545.8547,
        "existing_z": 156.8158,
        "design_z": 156.548,
        "delta_z": -0.2678
      },
      {
        "ch": 43.7695,
        "easting": 450707.6954,
        "northing": 6509542.5901,
        "existing_z": 157.0851,
        "design_z": 156.7997,
        "delta_z": -0.2854
      },
      {
        "ch": 50.0,
        "easting": 450710.8104,
        "northing": 6509537.1942,
        "existing_z": 157.5257,
        "design_z": 157.2044,
        "delta_z": -0.3212
      },
      {
        "ch": 60.0,
        "easting": 450715.8101,
        "northing": 6509528.5338,
        "existing_z": 158.2305,
        "design_z": 157.8071,
        "delta_z": -0.4234
      },
      {
        "ch": 63.7695,
        "easting": 450717.6948,
        "northing": 6509525.2692,
        "existing_z": 158.509,
        "design_z": 158.0192,
        "delta_z": -0.4897
      },
      {
        "ch": 70.0,
        "easting": 450720.8098,
        "northing": 6509519.8734,
        "existing_z": 158.9656,
        "design_z": 158.3518,
        "delta_z": -0.6138
      },
      {
        "ch": 80.0,
        "easting": 450725.8095,
        "northing": 6509511.2129,
        "existing_z": 159.6893,
        "design_z": 158.8387,
        "delta_z": -0.8506
      },
      {
        "ch": 83.7695,
        "easting": 450727.6941,
        "northing": 6509507.9483,
        "existing_z": 159.9629,
        "design_z": 159.0072,
        "delta_z": -0.9557
      },
      {
        "ch": 90.0,
        "easting": 450731.2942,
        "northing": 6509502.8992,
        "existing_z": 160.4059,
        "design_z": 159.2789,
        "delta_z": -1.127
      },
      {
        "ch": 100.0,
        "easting": 450740.3065,
        "northing": 6509499.0702,
        "existing_z": 160.9292,
        "design_z": 159.715,
        "delta_z": -1.2143
      },
      {
        "ch": 110.0,
        "easting": 450749.7128,
        "northing": 6509501.9169,
        "existing_z": 161.0392,
        "design_z": 160.151,
        "delta_z": -0.8881
      },
      {
        "ch": 120.0,
        "easting": 450758.373,
        "northing": 6509506.9169,
        "existing_z": 160.9649,
        "design_z": 160.5871,
        "delta_z": -0.3777
      },
      {
        "ch": 127.5391,
        "easting": 450764.902,
        "northing": 6509510.6865,
        "existing_z": 160.9159,
        "design_z": 160.9159,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD015",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 88.272,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 7.0,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450963.7004661838,
          6509510.0
        ],
        "end": [
          450967.3541957972,
          6509510.0
        ],
        "chainage_start": 0,
        "length": 3.653729613404721
      },
      {
        "type": "ARC",
        "centre": [
          450967.3541957972,
          6509519.167094082
        ],
        "radius": 9.167094081823157,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.5619675128746734,
        "start": [
          450967.3541957972,
          6509510.0
        ],
        "end": [
          450972.23890162504,
          6509511.409822469
        ],
        "chainage_start": 3.653729613404721,
        "length": 5.151609061450297,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450972.23890162504,
          6509511.409822469
        ],
        "end": [
          451039.4841003641,
          6509553.753707091
        ],
        "chainage_start": 8.805338674855019,
        "length": 79.46647921226483
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 44.135908943559926,
        "pvi_z": 153.05279413668265,
        "bvc": 24.27474991895796,
        "evc": 63.99706796816189,
        "length": 39.722318049203935,
        "g1": -0.0700445009041641,
        "g2": -0.06946708615749683,
        "z_bvc": 154.44395910793912,
        "K_m_per_percent": 687.9339032900332
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450963.7005,
        "northing": 6509510.0,
        "existing_z": 156.1443,
        "design_z": 156.1443,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450973.2498,
        "northing": 6509512.0464,
        "existing_z": 155.46,
        "design_z": 155.4438,
        "delta_z": -0.0162
      },
      {
        "ch": 20.0,
        "easting": 450981.7119,
        "northing": 6509517.3749,
        "existing_z": 154.7537,
        "design_z": 154.7434,
        "delta_z": -0.0103
      },
      {
        "ch": 24.2747,
        "easting": 450985.3292,
        "northing": 6509519.6527,
        "existing_z": 154.4512,
        "design_z": 154.444,
        "delta_z": -0.0072
      },
      {
        "ch": 30.0,
        "easting": 450990.174,
        "northing": 6509522.7034,
        "existing_z": 154.0454,
        "design_z": 154.0432,
        "delta_z": -0.0022
      },
      {
        "ch": 40.0,
        "easting": 450998.6361,
        "northing": 6509528.032,
        "existing_z": 153.3379,
        "design_z": 153.3443,
        "delta_z": 0.0064
      },
      {
        "ch": 44.1359,
        "easting": 451002.1359,
        "northing": 6509530.2358,
        "existing_z": 153.0463,
        "design_z": 153.0557,
        "delta_z": 0.0093
      },
      {
        "ch": 50.0,
        "easting": 451007.0982,
        "northing": 6509533.3605,
        "existing_z": 152.6282,
        "design_z": 152.6469,
        "delta_z": 0.0186
      },
      {
        "ch": 60.0,
        "easting": 451015.5603,
        "northing": 6509538.689,
        "existing_z": 151.9215,
        "design_z": 151.9509,
        "delta_z": 0.0293
      },
      {
        "ch": 63.9971,
        "easting": 451018.9426,
        "northing": 6509540.8189,
        "existing_z": 151.6423,
        "design_z": 151.6731,
        "delta_z": 0.0308
      },
      {
        "ch": 70.0,
        "easting": 451024.0223,
        "northing": 6509544.0175,
        "existing_z": 151.2265,
        "design_z": 151.2561,
        "delta_z": 0.0296
      },
      {
        "ch": 80.0,
        "easting": 451032.4844,
        "northing": 6509549.3461,
        "existing_z": 150.5412,
        "design_z": 150.5614,
        "delta_z": 0.0202
      },
      {
        "ch": 88.2718,
        "easting": 451039.4841,
        "northing": 6509553.7537,
        "existing_z": 149.9868,
        "design_z": 149.9868,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD016",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 87.507,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.1,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450963.7004661838,
          6509510.0
        ],
        "end": [
          451039.4841003641,
          6509553.753707091
        ],
        "chainage_start": 0,
        "length": 87.50740593692552
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 43.75370296846276,
        "pvi_z": 153.03705357143815,
        "bvc": 24.06453663265452,
        "evc": 63.442869304271,
        "length": 39.378332671616484,
        "g1": -0.07101612134148827,
        "g2": -0.06971415484938051,
        "z_bvc": 154.43530179705465,
        "K_m_per_percent": 302.45273523028027
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450963.7005,
        "northing": 6509510.0,
        "existing_z": 156.1443,
        "design_z": 156.1443,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450972.3607,
        "northing": 6509515.0,
        "existing_z": 155.4178,
        "design_z": 155.4341,
        "delta_z": 0.0164
      },
      {
        "ch": 20.0,
        "easting": 450981.021,
        "northing": 6509520.0,
        "existing_z": 154.7095,
        "design_z": 154.7239,
        "delta_z": 0.0144
      },
      {
        "ch": 24.0645,
        "easting": 450984.541,
        "northing": 6509522.0323,
        "existing_z": 154.4211,
        "design_z": 154.4353,
        "delta_z": 0.0142
      },
      {
        "ch": 30.0,
        "easting": 450989.6812,
        "northing": 6509525.0,
        "existing_z": 153.9994,
        "design_z": 154.0144,
        "delta_z": 0.015
      },
      {
        "ch": 40.0,
        "easting": 450998.3415,
        "northing": 6509530.0,
        "existing_z": 153.2914,
        "design_z": 153.3078,
        "delta_z": 0.0164
      },
      {
        "ch": 43.7537,
        "easting": 451001.5923,
        "northing": 6509531.8769,
        "existing_z": 153.0226,
        "design_z": 153.0435,
        "delta_z": 0.0208
      },
      {
        "ch": 50.0,
        "easting": 451007.0017,
        "northing": 6509535.0,
        "existing_z": 152.5773,
        "design_z": 152.6046,
        "delta_z": 0.0273
      },
      {
        "ch": 60.0,
        "easting": 451015.662,
        "northing": 6509540.0,
        "existing_z": 151.871,
        "design_z": 151.9047,
        "delta_z": 0.0337
      },
      {
        "ch": 63.4429,
        "easting": 451018.6436,
        "northing": 6509541.7214,
        "existing_z": 151.6304,
        "design_z": 151.6644,
        "delta_z": 0.034
      },
      {
        "ch": 70.0,
        "easting": 451024.3222,
        "northing": 6509545.0,
        "existing_z": 151.1761,
        "design_z": 151.2073,
        "delta_z": 0.0312
      },
      {
        "ch": 80.0,
        "easting": 451032.9825,
        "northing": 6509550.0,
        "existing_z": 150.4901,
        "design_z": 150.5102,
        "delta_z": 0.0201
      },
      {
        "ch": 87.5074,
        "easting": 451039.4841,
        "northing": 6509553.7537,
        "existing_z": 149.9868,
        "design_z": 149.9868,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD017",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 33.593,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.12,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450656.72,
          6509563.7
        ],
        "end": [
          450685.81205275113,
          6509580.496444224
        ],
        "chainage_start": 0,
        "length": 33.592678843058565
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450656.72,
        "northing": 6509563.7,
        "existing_z": 153.9162,
        "design_z": 153.9162,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450665.3802,
        "northing": 6509568.7,
        "existing_z": 153.8511,
        "design_z": 153.9047,
        "delta_z": 0.0536
      },
      {
        "ch": 20.0,
        "easting": 450674.0405,
        "northing": 6509573.7001,
        "existing_z": 153.8289,
        "design_z": 153.8931,
        "delta_z": 0.0642
      },
      {
        "ch": 30.0,
        "easting": 450682.7007,
        "northing": 6509578.7001,
        "existing_z": 153.8632,
        "design_z": 153.8815,
        "delta_z": 0.0184
      },
      {
        "ch": 33.5927,
        "easting": 450685.8121,
        "northing": 6509580.4964,
        "existing_z": 153.8774,
        "design_z": 153.8774,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD018",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 93.808,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.89,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451039.4841003641,
          6509553.753707091
        ],
        "end": [
          451033.9833221529,
          6509551.576556979
        ],
        "chainage_start": 0,
        "length": 5.915956688576488
      },
      {
        "type": "ARC",
        "centre": [
          451033.65673443826,
          6509552.401712109
        ],
        "radius": 0.8874347999334071,
        "start_angle_rad": -1.1939249756644459,
        "sweep_rad": -2.733065841498729,
        "start": [
          451033.9833221529,
          6509551.576556979
        ],
        "end": [
          451033.0292232734,
          6509553.0292232735
        ],
        "chainage_start": 5.915956688576488,
        "length": 2.4254177382552538,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451033.0292232735,
          6509553.029223274
        ],
        "end": [
          451041.6,
          6509561.6
        ],
        "chainage_start": 8.341374426831742,
        "length": 12.120908685737884
      },
      {
        "type": "ARC",
        "centre": [
          451082.52416469704,
          6509520.675835303
        ],
        "radius": 57.875508743339694,
        "start_angle_rad": 2.356194490198034,
        "sweep_rad": -0.40489178627913597,
        "start": [
          451041.6,
          6509561.6
        ],
        "end": [
          451061.0297403602,
          6509574.411896144
        ],
        "chainage_start": 20.462283112569626,
        "length": 23.43331811690456,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451061.02974035987,
          6509574.411896144
        ],
        "end": [
          451107.3719484349,
          6509592.948779374
        ],
        "chainage_start": 43.89560122947418,
        "length": 49.91208560224092
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 46.90384341585755,
        "pvi_z": 147.78165648547332,
        "bvc": 26.90384341585755,
        "evc": 66.90384341585755,
        "length": 40.0,
        "g1": -0.0470141570795473,
        "g2": -0.05892163441440318,
        "z_bvc": 148.72193962706427,
        "K_m_per_percent": 33.59233771783966
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451039.4841,
        "northing": 6509553.7537,
        "existing_z": 149.9868,
        "design_z": 149.9868,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451034.202,
        "northing": 6509554.202,
        "existing_z": 150.2949,
        "design_z": 149.5167,
        "delta_z": -0.7782
      },
      {
        "ch": 20.0,
        "easting": 451041.2731,
        "northing": 6509561.2731,
        "existing_z": 149.6639,
        "design_z": 149.0465,
        "delta_z": -0.6174
      },
      {
        "ch": 26.9038,
        "easting": 451046.3987,
        "northing": 6509565.8923,
        "existing_z": 149.2235,
        "design_z": 148.7219,
        "delta_z": -0.5016
      },
      {
        "ch": 30.0,
        "easting": 451048.8682,
        "northing": 6509567.7592,
        "existing_z": 149.0221,
        "design_z": 148.5749,
        "delta_z": -0.4472
      },
      {
        "ch": 40.0,
        "easting": 451057.4642,
        "northing": 6509572.8445,
        "existing_z": 148.3724,
        "design_z": 148.0807,
        "delta_z": -0.2917
      },
      {
        "ch": 46.9038,
        "easting": 451063.8228,
        "northing": 6509575.5291,
        "existing_z": 147.9231,
        "design_z": 147.7221,
        "delta_z": -0.201
      },
      {
        "ch": 50.0,
        "easting": 451066.6975,
        "northing": 6509576.679,
        "existing_z": 147.7213,
        "design_z": 147.5567,
        "delta_z": -0.1646
      },
      {
        "ch": 60.0,
        "easting": 451075.9823,
        "northing": 6509580.3929,
        "existing_z": 147.0859,
        "design_z": 147.0029,
        "delta_z": -0.083
      },
      {
        "ch": 66.9038,
        "easting": 451082.3924,
        "northing": 6509582.9569,
        "existing_z": 146.6499,
        "design_z": 146.6032,
        "delta_z": -0.0467
      },
      {
        "ch": 70.0,
        "easting": 451085.2671,
        "northing": 6509584.1068,
        "existing_z": 146.4531,
        "design_z": 146.4208,
        "delta_z": -0.0323
      },
      {
        "ch": 80.0,
        "easting": 451094.5518,
        "northing": 6509587.8207,
        "existing_z": 145.8381,
        "design_z": 145.8316,
        "delta_z": -0.0065
      },
      {
        "ch": 90.0,
        "easting": 451103.8366,
        "northing": 6509591.5346,
        "existing_z": 145.2449,
        "design_z": 145.2424,
        "delta_z": -0.0025
      },
      {
        "ch": 93.8077,
        "easting": 451107.3719,
        "northing": 6509592.9488,
        "existing_z": 145.018,
        "design_z": 145.018,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD019",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 78.39,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.34,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451039.4841003641,
          6509553.753707091
        ],
        "end": [
          451107.3719484349,
          6509592.948779374
        ],
        "chainage_start": 0,
        "length": 78.39013717910943
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451039.4841,
        "northing": 6509553.7537,
        "existing_z": 149.9868,
        "design_z": 149.9868,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451048.1444,
        "northing": 6509558.7537,
        "existing_z": 149.3196,
        "design_z": 149.3529,
        "delta_z": 0.0334
      },
      {
        "ch": 20.0,
        "easting": 451056.8046,
        "northing": 6509563.7537,
        "existing_z": 148.6586,
        "design_z": 148.7191,
        "delta_z": 0.0605
      },
      {
        "ch": 30.0,
        "easting": 451065.4649,
        "northing": 6509568.7537,
        "existing_z": 148.0,
        "design_z": 148.0852,
        "delta_z": 0.0852
      },
      {
        "ch": 40.0,
        "easting": 451074.1251,
        "northing": 6509573.7537,
        "existing_z": 147.3653,
        "design_z": 147.4514,
        "delta_z": 0.0861
      },
      {
        "ch": 50.0,
        "easting": 451082.7854,
        "northing": 6509578.7537,
        "existing_z": 146.7414,
        "design_z": 146.8175,
        "delta_z": 0.0761
      },
      {
        "ch": 60.0,
        "easting": 451091.4456,
        "northing": 6509583.7537,
        "existing_z": 146.1151,
        "design_z": 146.1837,
        "delta_z": 0.0686
      },
      {
        "ch": 70.0,
        "easting": 451100.1059,
        "northing": 6509588.7537,
        "existing_z": 145.5204,
        "design_z": 145.5498,
        "delta_z": 0.0294
      },
      {
        "ch": 78.3901,
        "easting": 451107.3719,
        "northing": 6509592.9488,
        "existing_z": 145.018,
        "design_z": 145.018,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD020",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 78.461,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 2.95,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451385.23,
          6509612.76
        ],
        "end": [
          451440.7099999998,
          6509557.28
        ],
        "chainage_start": 0,
        "length": 78.46056843998022
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451385.23,
        "northing": 6509612.76,
        "existing_z": 142.458,
        "design_z": 142.458,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451392.3011,
        "northing": 6509605.6889,
        "existing_z": 142.7581,
        "design_z": 142.7525,
        "delta_z": -0.0056
      },
      {
        "ch": 20.0,
        "easting": 451399.3721,
        "northing": 6509598.6179,
        "existing_z": 143.0359,
        "design_z": 143.047,
        "delta_z": 0.0112
      },
      {
        "ch": 30.0,
        "easting": 451406.4432,
        "northing": 6509591.5468,
        "existing_z": 143.3149,
        "design_z": 143.3415,
        "delta_z": 0.0267
      },
      {
        "ch": 40.0,
        "easting": 451413.5143,
        "northing": 6509584.4757,
        "existing_z": 143.6057,
        "design_z": 143.6361,
        "delta_z": 0.0304
      },
      {
        "ch": 50.0,
        "easting": 451420.5853,
        "northing": 6509577.4047,
        "existing_z": 143.8966,
        "design_z": 143.9306,
        "delta_z": 0.034
      },
      {
        "ch": 60.0,
        "easting": 451427.6564,
        "northing": 6509570.3336,
        "existing_z": 144.1861,
        "design_z": 144.2251,
        "delta_z": 0.039
      },
      {
        "ch": 70.0,
        "easting": 451434.7275,
        "northing": 6509563.2625,
        "existing_z": 144.5089,
        "design_z": 144.5196,
        "delta_z": 0.0107
      },
      {
        "ch": 78.4606,
        "easting": 451440.71,
        "northing": 6509557.28,
        "existing_z": 144.7688,
        "design_z": 144.7688,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD021",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 335.34,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.43,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451458.6950000001,
          6509681.305
        ],
        "end": [
          451598.12060607603,
          6509541.879393924
        ],
        "chainage_start": 0,
        "length": 197.17758305447182
      },
      {
        "type": "ARC",
        "centre": [
          451626.8,
          6509570.558787848
        ],
        "radius": 40.5587878479011,
        "start_angle_rad": -2.3561944901943743,
        "sweep_rad": 0.7853981633968712,
        "start": [
          451598.12060607603,
          6509541.879393924
        ],
        "end": [
          451626.8,
          6509530.0
        ],
        "chainage_start": 197.17758305447182,
        "length": 31.85479748534486,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451626.7999999999,
          6509530.0
        ],
        "end": [
          451633.2,
          6509530.0
        ],
        "chainage_start": 229.0323805398167,
        "length": 6.400000000139698
      },
      {
        "type": "ARC",
        "centre": [
          451633.2,
          6509570.558787848
        ],
        "radius": 40.558787847868,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          451633.2,
          6509530.0
        ],
        "end": [
          451661.8793939239,
          6509541.879393924
        ],
        "chainage_start": 235.4323805399564,
        "length": 31.854797485342274,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451661.87939392397,
          6509541.879393924
        ],
        "end": [
          451710.0,
          6509590.0
        ],
        "chainage_start": 267.28717802529866,
        "length": 68.05281374229438
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 67.0679983535186,
        "pvi_z": 144.13394609523772,
        "bvc": 47.067998353518604,
        "evc": 87.0679983535186,
        "length": 40.0,
        "g1": 0.03222557936848568,
        "g2": 0.03426738242064695,
        "z_bvc": 143.489434507868,
        "K_m_per_percent": 195.90528066680858
      },
      {
        "pvi_ch": 134.1359967070372,
        "pvi_z": 146.43219084300506,
        "bvc": 114.13599670703721,
        "evc": 154.1359967070372,
        "length": 40.0,
        "g1": 0.03426738242064695,
        "g2": 0.031284313811328006,
        "z_bvc": 145.74684319459212,
        "K_m_per_percent": 134.09011068348283
      },
      {
        "pvi_ch": 201.20399506055583,
        "pvi_z": 148.53036715019417,
        "bvc": 181.20399506055583,
        "evc": 221.20399506055583,
        "length": 40.0,
        "g1": 0.031284313811328006,
        "g2": 0.016545646404705277,
        "z_bvc": 147.9046808739676,
        "K_m_per_percent": 27.13949565211455
      },
      {
        "pvi_ch": 268.2719934140744,
        "pvi_z": 149.64005053602284,
        "bvc": 248.27199341407442,
        "evc": 288.2719934140744,
        "length": 40.0,
        "g1": 0.016545646404705277,
        "g2": -0.011076512401626708,
        "z_bvc": 149.30913760792873,
        "K_m_per_percent": 14.4811273732995
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451458.695,
        "northing": 6509681.305,
        "existing_z": 141.9726,
        "design_z": 141.9726,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451465.7661,
        "northing": 6509674.2339,
        "existing_z": 142.3117,
        "design_z": 142.2949,
        "delta_z": -0.0168
      },
      {
        "ch": 20.0,
        "easting": 451472.8371,
        "northing": 6509667.1629,
        "existing_z": 142.6335,
        "design_z": 142.6172,
        "delta_z": -0.0164
      },
      {
        "ch": 30.0,
        "easting": 451479.9082,
        "northing": 6509660.0918,
        "existing_z": 142.9355,
        "design_z": 142.9394,
        "delta_z": 0.0039
      },
      {
        "ch": 40.0,
        "easting": 451486.9793,
        "northing": 6509653.0207,
        "existing_z": 143.2455,
        "design_z": 143.2617,
        "delta_z": 0.0161
      },
      {
        "ch": 47.068,
        "easting": 451491.9771,
        "northing": 6509648.0229,
        "existing_z": 143.4622,
        "design_z": 143.4894,
        "delta_z": 0.0272
      },
      {
        "ch": 50.0,
        "easting": 451494.0503,
        "northing": 6509645.9497,
        "existing_z": 143.5493,
        "design_z": 143.5841,
        "delta_z": 0.0349
      },
      {
        "ch": 60.0,
        "easting": 451501.1214,
        "northing": 6509638.8786,
        "existing_z": 143.8566,
        "design_z": 143.9104,
        "delta_z": 0.0539
      },
      {
        "ch": 67.068,
        "easting": 451506.1192,
        "northing": 6509633.8808,
        "existing_z": 144.0832,
        "design_z": 144.1442,
        "delta_z": 0.0609
      },
      {
        "ch": 70.0,
        "easting": 451508.1925,
        "northing": 6509631.8075,
        "existing_z": 144.1796,
        "design_z": 144.2419,
        "delta_z": 0.0623
      },
      {
        "ch": 80.0,
        "easting": 451515.2635,
        "northing": 6509624.7365,
        "existing_z": 144.5162,
        "design_z": 144.5784,
        "delta_z": 0.0622
      },
      {
        "ch": 87.068,
        "easting": 451520.2614,
        "northing": 6509619.7386,
        "existing_z": 144.7664,
        "design_z": 144.8193,
        "delta_z": 0.0529
      },
      {
        "ch": 90.0,
        "easting": 451522.3346,
        "northing": 6509617.6654,
        "existing_z": 144.8735,
        "design_z": 144.9198,
        "delta_z": 0.0463
      },
      {
        "ch": 100.0,
        "easting": 451529.4057,
        "northing": 6509610.5943,
        "existing_z": 145.2531,
        "design_z": 145.2624,
        "delta_z": 0.0094
      },
      {
        "ch": 110.0,
        "easting": 451536.4767,
        "northing": 6509603.5233,
        "existing_z": 145.6044,
        "design_z": 145.6051,
        "delta_z": 0.0007
      },
      {
        "ch": 114.136,
        "easting": 451539.4013,
        "northing": 6509600.5987,
        "existing_z": 145.7516,
        "design_z": 145.7468,
        "delta_z": -0.0048
      },
      {
        "ch": 120.0,
        "easting": 451543.5478,
        "northing": 6509596.4522,
        "existing_z": 145.9641,
        "design_z": 145.9465,
        "delta_z": -0.0176
      },
      {
        "ch": 130.0,
        "easting": 451550.6189,
        "northing": 6509589.3811,
        "existing_z": 146.3309,
        "design_z": 146.2811,
        "delta_z": -0.0498
      },
      {
        "ch": 134.136,
        "easting": 451553.5435,
        "northing": 6509586.4565,
        "existing_z": 146.4617,
        "design_z": 146.4173,
        "delta_z": -0.0444
      },
      {
        "ch": 140.0,
        "easting": 451557.6899,
        "northing": 6509582.3101,
        "existing_z": 146.6492,
        "design_z": 146.6082,
        "delta_z": -0.041
      },
      {
        "ch": 150.0,
        "easting": 451564.761,
        "northing": 6509575.239,
        "existing_z": 146.9741,
        "design_z": 146.9278,
        "delta_z": -0.0463
      },
      {
        "ch": 154.136,
        "easting": 451567.6856,
        "northing": 6509572.3144,
        "existing_z": 147.1105,
        "design_z": 147.0579,
        "delta_z": -0.0526
      },
      {
        "ch": 160.0,
        "easting": 451571.8321,
        "northing": 6509568.1679,
        "existing_z": 147.2946,
        "design_z": 147.2413,
        "delta_z": -0.0533
      },
      {
        "ch": 170.0,
        "easting": 451578.9032,
        "northing": 6509561.0968,
        "existing_z": 147.5919,
        "design_z": 147.5542,
        "delta_z": -0.0378
      },
      {
        "ch": 180.0,
        "easting": 451585.9742,
        "northing": 6509554.0258,
        "existing_z": 147.8992,
        "design_z": 147.867,
        "delta_z": -0.0321
      },
      {
        "ch": 181.204,
        "easting": 451586.8256,
        "northing": 6509553.1744,
        "existing_z": 147.9368,
        "design_z": 147.9047,
        "delta_z": -0.0321
      },
      {
        "ch": 190.0,
        "easting": 451593.0453,
        "northing": 6509546.9547,
        "existing_z": 148.2396,
        "design_z": 148.1656,
        "delta_z": -0.074
      },
      {
        "ch": 200.0,
        "easting": 451600.1842,
        "northing": 6509539.9547,
        "existing_z": 148.6286,
        "design_z": 148.4276,
        "delta_z": -0.201
      },
      {
        "ch": 201.204,
        "easting": 451601.1042,
        "northing": 6509539.1782,
        "existing_z": 148.6753,
        "design_z": 148.4567,
        "delta_z": -0.2186
      },
      {
        "ch": 210.0,
        "easting": 451608.4585,
        "northing": 6509534.3842,
        "existing_z": 149.0002,
        "design_z": 148.6528,
        "delta_z": -0.3475
      },
      {
        "ch": 220.0,
        "easting": 451617.8421,
        "northing": 6509531.0016,
        "existing_z": 149.3794,
        "design_z": 148.8411,
        "delta_z": -0.5383
      },
      {
        "ch": 221.204,
        "easting": 451619.0201,
        "northing": 6509530.7531,
        "existing_z": 149.4215,
        "design_z": 148.8613,
        "delta_z": -0.5602
      },
      {
        "ch": 230.0,
        "easting": 451627.7676,
        "northing": 6509530.0,
        "existing_z": 149.6869,
        "design_z": 149.0068,
        "delta_z": -0.68
      },
      {
        "ch": 240.0,
        "easting": 451637.758,
        "northing": 6509530.2569,
        "existing_z": 149.9658,
        "design_z": 149.1723,
        "delta_z": -0.7935
      },
      {
        "ch": 248.272,
        "easting": 451645.8262,
        "northing": 6509532.0154,
        "existing_z": 150.123,
        "design_z": 149.3091,
        "delta_z": -0.8139
      },
      {
        "ch": 250.0,
        "easting": 451647.4564,
        "northing": 6509532.5881,
        "existing_z": 150.1441,
        "design_z": 149.3367,
        "delta_z": -0.8074
      },
      {
        "ch": 260.0,
        "easting": 451656.2926,
        "northing": 6509537.2159,
        "existing_z": 150.1719,
        "design_z": 149.4557,
        "delta_z": -0.7162
      },
      {
        "ch": 268.272,
        "easting": 451662.5758,
        "northing": 6509542.5758,
        "existing_z": 150.081,
        "design_z": 149.5019,
        "delta_z": -0.5791
      },
      {
        "ch": 270.0,
        "easting": 451663.7976,
        "northing": 6509543.7976,
        "existing_z": 150.0535,
        "design_z": 149.5056,
        "delta_z": -0.5479
      },
      {
        "ch": 280.0,
        "easting": 451670.8687,
        "northing": 6509550.8687,
        "existing_z": 149.8909,
        "design_z": 149.4865,
        "delta_z": -0.4044
      },
      {
        "ch": 288.272,
        "easting": 451676.7179,
        "northing": 6509556.7179,
        "existing_z": 149.7661,
        "design_z": 149.4185,
        "delta_z": -0.3475
      },
      {
        "ch": 290.0,
        "easting": 451677.9398,
        "northing": 6509557.9398,
        "existing_z": 149.7385,
        "design_z": 149.3994,
        "delta_z": -0.3391
      },
      {
        "ch": 300.0,
        "easting": 451685.0109,
        "northing": 6509565.0109,
        "existing_z": 149.5693,
        "design_z": 149.2886,
        "delta_z": -0.2807
      },
      {
        "ch": 310.0,
        "easting": 451692.0819,
        "northing": 6509572.0819,
        "existing_z": 149.3873,
        "design_z": 149.1778,
        "delta_z": -0.2094
      },
      {
        "ch": 320.0,
        "easting": 451699.153,
        "northing": 6509579.153,
        "existing_z": 149.2021,
        "design_z": 149.0671,
        "delta_z": -0.135
      },
      {
        "ch": 330.0,
        "easting": 451706.2241,
        "northing": 6509586.2241,
        "existing_z": 149.0062,
        "design_z": 148.9563,
        "delta_z": -0.0498
      },
      {
        "ch": 335.34,
        "easting": 451710.0,
        "northing": 6509590.0,
        "existing_z": 148.8972,
        "design_z": 148.8972,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD022",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 5.43,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 1.18,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451690.83987120766,
          6509590.0
        ],
        "end": [
          451692.0637729548,
          6509588.776172954
        ],
        "chainage_start": 0,
        "length": 1.7308056291855456
      },
      {
        "type": "ARC",
        "centre": [
          451692.9499729541,
          6509589.662427045
        ],
        "radius": 1.2533143078680433,
        "start_angle_rad": -2.3561639718067062,
        "sweep_rad": 1.5707658082910656,
        "start": [
          451692.0637729548,
          6509588.776172954
        ],
        "end": [
          451693.83620000014,
          6509588.7762
        ],
        "chainage_start": 1.7308056291855456,
        "length": 1.9686632618411044,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451693.8362000001,
          6509588.776199999
        ],
        "end": [
          451695.06000000035,
          6509590.0
        ],
        "chainage_start": 3.69946889102665,
        "length": 1.7307145583418413
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451690.8399,
        "northing": 6509590.0,
        "existing_z": 148.6054,
        "design_z": 148.6054,
        "delta_z": 0.0
      },
      {
        "ch": 5.4302,
        "easting": 451695.06,
        "northing": 6509590.0,
        "existing_z": 148.6696,
        "design_z": 148.6696,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD023",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 4.22,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 1.52,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451690.83987120766,
          6509590.0
        ],
        "end": [
          451695.06000000035,
          6509590.0
        ],
        "chainage_start": 0,
        "length": 4.220128792687319
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451690.8399,
        "northing": 6509590.0,
        "existing_z": 148.6054,
        "design_z": 148.6054,
        "delta_z": 0.0
      },
      {
        "ch": 4.2201,
        "easting": 451695.06,
        "northing": 6509590.0,
        "existing_z": 148.6696,
        "design_z": 148.6696,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD024",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 14.94,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 1.52,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451695.06000000035,
          6509590.0
        ],
        "end": [
          451710.0,
          6509590.0
        ],
        "chainage_start": 0,
        "length": 14.939999999653082
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451695.06,
        "northing": 6509590.0,
        "existing_z": 148.6696,
        "design_z": 148.6696,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451705.06,
        "northing": 6509590.0,
        "existing_z": 148.8219,
        "design_z": 148.8219,
        "delta_z": -0.0
      },
      {
        "ch": 14.94,
        "easting": 451710.0,
        "northing": 6509590.0,
        "existing_z": 148.8972,
        "design_z": 148.8972,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD025",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 20.0,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 1.42,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451710.0,
          6509590.0
        ],
        "end": [
          451730.0,
          6509590.0
        ],
        "chainage_start": 0,
        "length": 20.0
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451710.0,
        "northing": 6509590.0,
        "existing_z": 148.8972,
        "design_z": 148.8972,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451720.0,
        "northing": 6509590.0,
        "existing_z": 149.0395,
        "design_z": 149.0395,
        "delta_z": 0.0
      },
      {
        "ch": 20.0,
        "easting": 451730.0,
        "northing": 6509590.0,
        "existing_z": 149.1818,
        "design_z": 149.1818,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD026",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 45.912,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.53,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451107.3719484349,
          6509592.948779374
        ],
        "end": [
          451150.0,
          6509610.0
        ],
        "chainage_start": 0,
        "length": 45.911816616857216
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451107.3719,
        "northing": 6509592.9488,
        "existing_z": 145.018,
        "design_z": 145.018,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451116.6567,
        "northing": 6509596.6627,
        "existing_z": 144.451,
        "design_z": 144.4648,
        "delta_z": 0.0138
      },
      {
        "ch": 20.0,
        "easting": 451125.9415,
        "northing": 6509600.3766,
        "existing_z": 143.8894,
        "design_z": 143.9116,
        "delta_z": 0.0222
      },
      {
        "ch": 30.0,
        "easting": 451135.2262,
        "northing": 6509604.0905,
        "existing_z": 143.3423,
        "design_z": 143.3583,
        "delta_z": 0.0161
      },
      {
        "ch": 40.0,
        "easting": 451144.511,
        "northing": 6509607.8044,
        "existing_z": 142.8024,
        "design_z": 142.8051,
        "delta_z": 0.0027
      },
      {
        "ch": 45.9118,
        "easting": 451150.0,
        "northing": 6509610.0,
        "existing_z": 142.478,
        "design_z": 142.478,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD027",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 212.125,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.47,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451458.40008067957,
          6509681.010080679
        ],
        "end": [
          451608.4,
          6509531.02
        ],
        "chainage_start": 0,
        "length": 212.12496340239278
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.70832113413093,
        "pvi_z": 144.2568486590099,
        "bvc": 50.70832113413093,
        "evc": 90.70832113413093,
        "length": 40.0,
        "g1": 0.032294077281275986,
        "g2": 0.03434791340402821,
        "z_bvc": 143.6109671133844,
        "K_m_per_percent": 194.7575055131391
      },
      {
        "pvi_ch": 141.41664226826185,
        "pvi_z": 146.68553195026925,
        "bvc": 121.41664226826185,
        "evc": 161.41664226826185,
        "length": 40.0,
        "g1": 0.03434791340402821,
        "g2": 0.0347468805288064,
        "z_bvc": 145.9985736821887,
        "K_m_per_percent": 1002.5888730114779
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451458.4001,
        "northing": 6509681.0101,
        "existing_z": 141.9734,
        "design_z": 141.9734,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451465.4714,
        "northing": 6509673.9392,
        "existing_z": 142.3125,
        "design_z": 142.2963,
        "delta_z": -0.0161
      },
      {
        "ch": 20.0,
        "easting": 451472.5427,
        "northing": 6509666.8684,
        "existing_z": 142.6356,
        "design_z": 142.6193,
        "delta_z": -0.0163
      },
      {
        "ch": 30.0,
        "easting": 451479.614,
        "northing": 6509659.7976,
        "existing_z": 142.9376,
        "design_z": 142.9422,
        "delta_z": 0.0046
      },
      {
        "ch": 40.0,
        "easting": 451486.6853,
        "northing": 6509652.7267,
        "existing_z": 143.2476,
        "design_z": 143.2652,
        "delta_z": 0.0175
      },
      {
        "ch": 50.0,
        "easting": 451493.7566,
        "northing": 6509645.6559,
        "existing_z": 143.5533,
        "design_z": 143.5881,
        "delta_z": 0.0348
      },
      {
        "ch": 50.7083,
        "easting": 451494.2575,
        "northing": 6509645.1551,
        "existing_z": 143.5745,
        "design_z": 143.611,
        "delta_z": 0.0364
      },
      {
        "ch": 60.0,
        "easting": 451500.8279,
        "northing": 6509638.5851,
        "existing_z": 143.8605,
        "design_z": 143.9132,
        "delta_z": 0.0527
      },
      {
        "ch": 70.0,
        "easting": 451507.8992,
        "northing": 6509631.5142,
        "existing_z": 144.1836,
        "design_z": 144.2435,
        "delta_z": 0.06
      },
      {
        "ch": 70.7083,
        "easting": 451508.4001,
        "northing": 6509631.0134,
        "existing_z": 144.2071,
        "design_z": 144.2671,
        "delta_z": 0.0601
      },
      {
        "ch": 80.0,
        "easting": 451514.9705,
        "northing": 6509624.4434,
        "existing_z": 144.5208,
        "design_z": 144.5789,
        "delta_z": 0.0581
      },
      {
        "ch": 90.0,
        "easting": 451522.0418,
        "northing": 6509617.3726,
        "existing_z": 144.8781,
        "design_z": 144.9195,
        "delta_z": 0.0414
      },
      {
        "ch": 90.7083,
        "easting": 451522.5427,
        "northing": 6509616.8717,
        "existing_z": 144.9043,
        "design_z": 144.9438,
        "delta_z": 0.0395
      },
      {
        "ch": 100.0,
        "easting": 451529.1131,
        "northing": 6509610.3017,
        "existing_z": 145.2577,
        "design_z": 145.263,
        "delta_z": 0.0053
      },
      {
        "ch": 110.0,
        "easting": 451536.1844,
        "northing": 6509603.2309,
        "existing_z": 145.6083,
        "design_z": 145.6064,
        "delta_z": -0.0019
      },
      {
        "ch": 120.0,
        "easting": 451543.2557,
        "northing": 6509596.16,
        "existing_z": 145.968,
        "design_z": 145.9499,
        "delta_z": -0.0181
      },
      {
        "ch": 121.4166,
        "easting": 451544.2574,
        "northing": 6509595.1584,
        "existing_z": 146.02,
        "design_z": 145.9986,
        "delta_z": -0.0214
      },
      {
        "ch": 130.0,
        "easting": 451550.327,
        "northing": 6509589.0892,
        "existing_z": 146.3357,
        "design_z": 146.2938,
        "delta_z": -0.0419
      },
      {
        "ch": 140.0,
        "easting": 451557.3983,
        "northing": 6509582.0184,
        "existing_z": 146.654,
        "design_z": 146.6386,
        "delta_z": -0.0154
      },
      {
        "ch": 141.4166,
        "easting": 451558.4,
        "northing": 6509581.0167,
        "existing_z": 146.6996,
        "design_z": 146.6875,
        "delta_z": -0.0121
      },
      {
        "ch": 150.0,
        "easting": 451564.4696,
        "northing": 6509574.9475,
        "existing_z": 146.979,
        "design_z": 146.9844,
        "delta_z": 0.0055
      },
      {
        "ch": 160.0,
        "easting": 451571.5409,
        "northing": 6509567.8767,
        "existing_z": 147.3012,
        "design_z": 147.3313,
        "delta_z": 0.0301
      },
      {
        "ch": 161.4166,
        "easting": 451572.5426,
        "northing": 6509566.875,
        "existing_z": 147.3427,
        "design_z": 147.3805,
        "delta_z": 0.0378
      },
      {
        "ch": 170.0,
        "easting": 451578.6122,
        "northing": 6509560.8059,
        "existing_z": 147.5985,
        "design_z": 147.6787,
        "delta_z": 0.0802
      },
      {
        "ch": 180.0,
        "easting": 451585.6835,
        "northing": 6509553.735,
        "existing_z": 147.9057,
        "design_z": 148.0262,
        "delta_z": 0.1205
      },
      {
        "ch": 190.0,
        "easting": 451592.7548,
        "northing": 6509546.6642,
        "existing_z": 148.2467,
        "design_z": 148.3737,
        "delta_z": 0.127
      },
      {
        "ch": 200.0,
        "easting": 451599.8261,
        "northing": 6509539.5934,
        "existing_z": 148.6375,
        "design_z": 148.7211,
        "delta_z": 0.0837
      },
      {
        "ch": 210.0,
        "easting": 451606.8974,
        "northing": 6509532.5225,
        "existing_z": 149.0515,
        "design_z": 149.0686,
        "delta_z": 0.0171
      },
      {
        "ch": 212.125,
        "easting": 451608.4,
        "northing": 6509531.02,
        "existing_z": 149.1424,
        "design_z": 149.1424,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD028",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 69.877,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.73,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451107.3719484349,
          6509592.948779374
        ],
        "end": [
          451167.88739057083,
          6509627.887390571
        ],
        "chainage_start": 0,
        "length": 69.8772158091297
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451107.3719,
        "northing": 6509592.9488,
        "existing_z": 145.018,
        "design_z": 145.018,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451116.0322,
        "northing": 6509597.9488,
        "existing_z": 144.4429,
        "design_z": 144.4447,
        "delta_z": 0.0018
      },
      {
        "ch": 20.0,
        "easting": 451124.6925,
        "northing": 6509602.9488,
        "existing_z": 143.8711,
        "design_z": 143.8713,
        "delta_z": 0.0002
      },
      {
        "ch": 30.0,
        "easting": 451133.3527,
        "northing": 6509607.9488,
        "existing_z": 143.3031,
        "design_z": 143.298,
        "delta_z": -0.0051
      },
      {
        "ch": 40.0,
        "easting": 451142.013,
        "northing": 6509612.9488,
        "existing_z": 142.7398,
        "design_z": 142.7246,
        "delta_z": -0.0152
      },
      {
        "ch": 50.0,
        "easting": 451150.6732,
        "northing": 6509617.9488,
        "existing_z": 142.1551,
        "design_z": 142.1513,
        "delta_z": -0.0039
      },
      {
        "ch": 60.0,
        "easting": 451159.3335,
        "northing": 6509622.9488,
        "existing_z": 141.5893,
        "design_z": 141.5779,
        "delta_z": -0.0113
      },
      {
        "ch": 69.8772,
        "easting": 451167.8874,
        "northing": 6509627.8874,
        "existing_z": 141.0116,
        "design_z": 141.0116,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD029",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 25.297,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.8,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451150.0,
          6509610.0
        ],
        "end": [
          451167.88739057083,
          6509627.887390571
        ],
        "chainage_start": 0,
        "length": 25.296590340652187
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451150.0,
        "northing": 6509610.0,
        "existing_z": 142.478,
        "design_z": 142.478,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451157.0711,
        "northing": 6509617.0711,
        "existing_z": 141.9152,
        "design_z": 141.8984,
        "delta_z": -0.0169
      },
      {
        "ch": 20.0,
        "easting": 451164.1421,
        "northing": 6509624.1421,
        "existing_z": 141.3303,
        "design_z": 141.3187,
        "delta_z": -0.0117
      },
      {
        "ch": 25.2966,
        "easting": 451167.8874,
        "northing": 6509627.8874,
        "existing_z": 141.0116,
        "design_z": 141.0116,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD030",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 43.484,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.65,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451150.0,
          6509610.0
        ],
        "end": [
          451183.95513638237,
          6509637.164109106
        ],
        "chainage_start": 0,
        "length": 43.48379135123312
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451150.0,
        "northing": 6509610.0,
        "existing_z": 142.478,
        "design_z": 142.478,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451157.8087,
        "northing": 6509616.247,
        "existing_z": 141.9157,
        "design_z": 141.9128,
        "delta_z": -0.0029
      },
      {
        "ch": 20.0,
        "easting": 451165.6174,
        "northing": 6509622.4939,
        "existing_z": 141.3318,
        "design_z": 141.3475,
        "delta_z": 0.0156
      },
      {
        "ch": 30.0,
        "easting": 451173.4261,
        "northing": 6509628.7409,
        "existing_z": 140.7601,
        "design_z": 140.7822,
        "delta_z": 0.0221
      },
      {
        "ch": 40.0,
        "easting": 451181.2348,
        "northing": 6509634.9878,
        "existing_z": 140.2106,
        "design_z": 140.2169,
        "delta_z": 0.0062
      },
      {
        "ch": 43.4838,
        "easting": 451183.9551,
        "northing": 6509637.1641,
        "existing_z": 140.0199,
        "design_z": 140.0199,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD031",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 97.008,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.04,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451695.06000000035,
          6509590.0
        ],
        "end": [
          451763.6553539037,
          6509658.595353903
        ],
        "chainage_start": 0,
        "length": 97.00847980583914
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 48.50423990291957,
        "pvi_z": 147.49976087982557,
        "bvc": 28.504239902919572,
        "evc": 68.50423990291958,
        "length": 40.0,
        "g1": -0.024119259250589442,
        "g2": -0.030351743495747905,
        "z_bvc": 147.98214606483737,
        "K_m_per_percent": 64.17986540611462
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451695.06,
        "northing": 6509590.0,
        "existing_z": 148.6696,
        "design_z": 148.6696,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451702.1311,
        "northing": 6509597.0711,
        "existing_z": 148.4684,
        "design_z": 148.4285,
        "delta_z": -0.0399
      },
      {
        "ch": 20.0,
        "easting": 451709.2021,
        "northing": 6509604.1421,
        "existing_z": 148.2621,
        "design_z": 148.1873,
        "delta_z": -0.0748
      },
      {
        "ch": 28.5042,
        "easting": 451715.2155,
        "northing": 6509610.1555,
        "existing_z": 148.0791,
        "design_z": 147.9821,
        "delta_z": -0.097
      },
      {
        "ch": 30.0,
        "easting": 451716.2732,
        "northing": 6509611.2132,
        "existing_z": 148.0419,
        "design_z": 147.9459,
        "delta_z": -0.096
      },
      {
        "ch": 40.0,
        "easting": 451723.3443,
        "northing": 6509618.2843,
        "existing_z": 147.7915,
        "design_z": 147.6946,
        "delta_z": -0.0969
      },
      {
        "ch": 48.5042,
        "easting": 451729.3577,
        "northing": 6509624.2977,
        "existing_z": 147.5763,
        "design_z": 147.4686,
        "delta_z": -0.1077
      },
      {
        "ch": 50.0,
        "easting": 451730.4153,
        "northing": 6509625.3553,
        "existing_z": 147.5381,
        "design_z": 147.4277,
        "delta_z": -0.1104
      },
      {
        "ch": 60.0,
        "easting": 451737.4864,
        "northing": 6509632.4264,
        "existing_z": 147.2672,
        "design_z": 147.1452,
        "delta_z": -0.122
      },
      {
        "ch": 68.5042,
        "easting": 451743.4998,
        "northing": 6509638.4398,
        "existing_z": 147.0096,
        "design_z": 146.8927,
        "delta_z": -0.1169
      },
      {
        "ch": 70.0,
        "easting": 451744.5575,
        "northing": 6509639.4975,
        "existing_z": 146.9636,
        "design_z": 146.8473,
        "delta_z": -0.1163
      },
      {
        "ch": 80.0,
        "easting": 451751.6285,
        "northing": 6509646.5685,
        "existing_z": 146.645,
        "design_z": 146.5438,
        "delta_z": -0.1012
      },
      {
        "ch": 90.0,
        "easting": 451758.6996,
        "northing": 6509653.6396,
        "existing_z": 146.2897,
        "design_z": 146.2403,
        "delta_z": -0.0494
      },
      {
        "ch": 97.0085,
        "easting": 451763.6554,
        "northing": 6509658.5954,
        "existing_z": 146.0276,
        "design_z": 146.0276,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD032",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 478.622,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.35,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450764.9020141041,
          6509510.686511572
        ],
        "end": [
          451179.399473928,
          6509750.0
        ],
        "chainage_start": 0,
        "length": 478.6220742337165
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 79.77034570561942,
        "pvi_z": 159.4232402407951,
        "bvc": 59.77034570561942,
        "evc": 99.77034570561942,
        "length": 40.0,
        "g1": -0.01871188222501636,
        "g2": -0.04011640164012772,
        "z_bvc": 159.79747788529545,
        "K_m_per_percent": 18.687642186332123
      },
      {
        "pvi_ch": 159.54069141123884,
        "pvi_z": 156.22314101349664,
        "bvc": 139.54069141123884,
        "evc": 179.54069141123884,
        "length": 40.0,
        "g1": -0.04011640164012772,
        "g2": -0.059779459200272236,
        "z_bvc": 157.0254690462992,
        "K_m_per_percent": 20.34271622185396
      },
      {
        "pvi_ch": 239.31103711685824,
        "pvi_z": 151.45451288699596,
        "bvc": 219.31103711685824,
        "evc": 259.31103711685824,
        "length": 40.0,
        "g1": -0.059779459200272236,
        "g2": -0.06351159317671695,
        "z_bvc": 152.6501020710014,
        "K_m_per_percent": 107.17728852302504
      },
      {
        "pvi_ch": 319.0813828224777,
        "pvi_z": 146.38817114297458,
        "bvc": 299.0813828224777,
        "evc": 339.0813828224777,
        "length": 40.0,
        "g1": -0.06351159317671695,
        "g2": -0.06089769375081956,
        "z_bvc": 147.65840300650893,
        "K_m_per_percent": 153.02807599901217
      },
      {
        "pvi_ch": 398.8517285280971,
        "pvi_z": 141.53034105979677,
        "bvc": 378.8517285280971,
        "evc": 418.8517285280971,
        "length": 40.0,
        "g1": -0.06089769375081956,
        "g2": -0.03489716640842724,
        "z_bvc": 142.74829493481315,
        "K_m_per_percent": 15.38430335402558
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450764.902,
        "northing": 6509510.6865,
        "existing_z": 160.9159,
        "design_z": 160.9159,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450773.5622,
        "northing": 6509515.6866,
        "existing_z": 160.8527,
        "design_z": 160.7288,
        "delta_z": -0.1239
      },
      {
        "ch": 20.0,
        "easting": 450782.2225,
        "northing": 6509520.6866,
        "existing_z": 160.7765,
        "design_z": 160.5417,
        "delta_z": -0.2348
      },
      {
        "ch": 30.0,
        "easting": 450790.8827,
        "northing": 6509525.6867,
        "existing_z": 160.7023,
        "design_z": 160.3545,
        "delta_z": -0.3477
      },
      {
        "ch": 40.0,
        "easting": 450799.5429,
        "northing": 6509530.6867,
        "existing_z": 160.5851,
        "design_z": 160.1674,
        "delta_z": -0.4177
      },
      {
        "ch": 50.0,
        "easting": 450808.2031,
        "northing": 6509535.6868,
        "existing_z": 160.4798,
        "design_z": 159.9803,
        "delta_z": -0.4995
      },
      {
        "ch": 59.7703,
        "easting": 450816.6645,
        "northing": 6509540.572,
        "existing_z": 160.2845,
        "design_z": 159.7975,
        "delta_z": -0.487
      },
      {
        "ch": 60.0,
        "easting": 450816.8634,
        "northing": 6509540.6868,
        "existing_z": 160.2793,
        "design_z": 159.7932,
        "delta_z": -0.4862
      },
      {
        "ch": 70.0,
        "easting": 450825.5236,
        "northing": 6509545.6869,
        "existing_z": 160.0567,
        "design_z": 159.5781,
        "delta_z": -0.4787
      },
      {
        "ch": 79.7703,
        "easting": 450833.9849,
        "northing": 6509550.5721,
        "existing_z": 159.7935,
        "design_z": 159.3162,
        "delta_z": -0.4773
      },
      {
        "ch": 80.0,
        "easting": 450834.1838,
        "northing": 6509550.6869,
        "existing_z": 159.7866,
        "design_z": 159.3094,
        "delta_z": -0.4771
      },
      {
        "ch": 90.0,
        "easting": 450842.844,
        "northing": 6509555.687,
        "existing_z": 159.4869,
        "design_z": 158.9873,
        "delta_z": -0.4996
      },
      {
        "ch": 99.7703,
        "easting": 450851.3054,
        "northing": 6509560.5722,
        "existing_z": 159.1887,
        "design_z": 158.6209,
        "delta_z": -0.5678
      },
      {
        "ch": 100.0,
        "easting": 450851.5043,
        "northing": 6509560.687,
        "existing_z": 159.1801,
        "design_z": 158.6117,
        "delta_z": -0.5684
      },
      {
        "ch": 110.0,
        "easting": 450860.1645,
        "northing": 6509565.6871,
        "existing_z": 158.8106,
        "design_z": 158.2105,
        "delta_z": -0.6
      },
      {
        "ch": 120.0,
        "easting": 450868.8247,
        "northing": 6509570.6871,
        "existing_z": 158.4443,
        "design_z": 157.8094,
        "delta_z": -0.6349
      },
      {
        "ch": 130.0,
        "easting": 450877.4849,
        "northing": 6509575.6872,
        "existing_z": 158.0146,
        "design_z": 157.4082,
        "delta_z": -0.6064
      },
      {
        "ch": 139.5407,
        "easting": 450885.7474,
        "northing": 6509580.4576,
        "existing_z": 157.5936,
        "design_z": 157.0255,
        "delta_z": -0.5681
      },
      {
        "ch": 140.0,
        "easting": 450886.1452,
        "northing": 6509580.6872,
        "existing_z": 157.5733,
        "design_z": 157.007,
        "delta_z": -0.5663
      },
      {
        "ch": 150.0,
        "easting": 450894.8054,
        "northing": 6509585.6873,
        "existing_z": 157.0703,
        "design_z": 156.579,
        "delta_z": -0.4913
      },
      {
        "ch": 159.5407,
        "easting": 450903.0678,
        "northing": 6509590.4577,
        "existing_z": 156.5462,
        "design_z": 156.1248,
        "delta_z": -0.4214
      },
      {
        "ch": 160.0,
        "easting": 450903.4656,
        "northing": 6509590.6873,
        "existing_z": 156.521,
        "design_z": 156.1018,
        "delta_z": -0.4192
      },
      {
        "ch": 170.0,
        "easting": 450912.1258,
        "northing": 6509595.6874,
        "existing_z": 155.9522,
        "design_z": 155.5755,
        "delta_z": -0.3767
      },
      {
        "ch": 179.5407,
        "easting": 450920.3883,
        "northing": 6509600.4578,
        "existing_z": 155.3515,
        "design_z": 155.0276,
        "delta_z": -0.3239
      },
      {
        "ch": 180.0,
        "easting": 450920.7861,
        "northing": 6509600.6874,
        "existing_z": 155.3228,
        "design_z": 155.0001,
        "delta_z": -0.3227
      },
      {
        "ch": 190.0,
        "easting": 450929.4463,
        "northing": 6509605.6875,
        "existing_z": 154.7024,
        "design_z": 154.4023,
        "delta_z": -0.3001
      },
      {
        "ch": 200.0,
        "easting": 450938.1065,
        "northing": 6509610.6875,
        "existing_z": 154.0345,
        "design_z": 153.8045,
        "delta_z": -0.23
      },
      {
        "ch": 210.0,
        "easting": 450946.7667,
        "northing": 6509615.6876,
        "existing_z": 153.3618,
        "design_z": 153.2067,
        "delta_z": -0.1551
      },
      {
        "ch": 219.311,
        "easting": 450954.8303,
        "northing": 6509620.3432,
        "existing_z": 152.7364,
        "design_z": 152.6501,
        "delta_z": -0.0863
      },
      {
        "ch": 220.0,
        "easting": 450955.427,
        "northing": 6509620.6876,
        "existing_z": 152.6902,
        "design_z": 152.6089,
        "delta_z": -0.0813
      },
      {
        "ch": 230.0,
        "easting": 450964.0872,
        "northing": 6509625.6877,
        "existing_z": 152.0311,
        "design_z": 152.0058,
        "delta_z": -0.0253
      },
      {
        "ch": 239.311,
        "easting": 450972.1507,
        "northing": 6509630.3433,
        "existing_z": 151.4355,
        "design_z": 151.4359,
        "delta_z": 0.0003
      },
      {
        "ch": 240.0,
        "easting": 450972.7474,
        "northing": 6509630.6877,
        "existing_z": 151.3921,
        "design_z": 151.3934,
        "delta_z": 0.0012
      },
      {
        "ch": 250.0,
        "easting": 450981.4076,
        "northing": 6509635.6878,
        "existing_z": 150.7656,
        "design_z": 150.7716,
        "delta_z": 0.006
      },
      {
        "ch": 259.311,
        "easting": 450989.4712,
        "northing": 6509640.3434,
        "existing_z": 150.1884,
        "design_z": 150.1843,
        "delta_z": -0.0041
      },
      {
        "ch": 260.0,
        "easting": 450990.0679,
        "northing": 6509640.6878,
        "existing_z": 150.1458,
        "design_z": 150.1405,
        "delta_z": -0.0053
      },
      {
        "ch": 270.0,
        "easting": 450998.7281,
        "northing": 6509645.6879,
        "existing_z": 149.5135,
        "design_z": 149.5054,
        "delta_z": -0.0081
      },
      {
        "ch": 280.0,
        "easting": 451007.3883,
        "northing": 6509650.6879,
        "existing_z": 148.8855,
        "design_z": 148.8703,
        "delta_z": -0.0152
      },
      {
        "ch": 290.0,
        "easting": 451016.0485,
        "northing": 6509655.688,
        "existing_z": 148.2585,
        "design_z": 148.2352,
        "delta_z": -0.0233
      },
      {
        "ch": 299.0814,
        "easting": 451023.9132,
        "northing": 6509660.2287,
        "existing_z": 147.695,
        "design_z": 147.6584,
        "delta_z": -0.0366
      },
      {
        "ch": 300.0,
        "easting": 451024.7087,
        "northing": 6509660.688,
        "existing_z": 147.6385,
        "design_z": 147.6001,
        "delta_z": -0.0384
      },
      {
        "ch": 310.0,
        "easting": 451033.369,
        "northing": 6509665.6881,
        "existing_z": 147.0251,
        "design_z": 146.9688,
        "delta_z": -0.0563
      },
      {
        "ch": 319.0814,
        "easting": 451041.2337,
        "northing": 6509670.2288,
        "existing_z": 146.4722,
        "design_z": 146.4012,
        "delta_z": -0.071
      },
      {
        "ch": 320.0,
        "easting": 451042.0292,
        "northing": 6509670.6882,
        "existing_z": 146.4178,
        "design_z": 146.3441,
        "delta_z": -0.0736
      },
      {
        "ch": 330.0,
        "easting": 451050.6894,
        "northing": 6509675.6882,
        "existing_z": 145.8298,
        "design_z": 145.7259,
        "delta_z": -0.1038
      },
      {
        "ch": 339.0814,
        "easting": 451058.5541,
        "northing": 6509680.2289,
        "existing_z": 145.285,
        "design_z": 145.1702,
        "delta_z": -0.1148
      },
      {
        "ch": 340.0,
        "easting": 451059.3496,
        "northing": 6509680.6883,
        "existing_z": 145.23,
        "design_z": 145.1143,
        "delta_z": -0.1158
      },
      {
        "ch": 350.0,
        "easting": 451068.0099,
        "northing": 6509685.6883,
        "existing_z": 144.633,
        "design_z": 144.5053,
        "delta_z": -0.1277
      },
      {
        "ch": 360.0,
        "easting": 451076.6701,
        "northing": 6509690.6884,
        "existing_z": 143.9759,
        "design_z": 143.8963,
        "delta_z": -0.0796
      },
      {
        "ch": 370.0,
        "easting": 451085.3303,
        "northing": 6509695.6884,
        "existing_z": 143.2871,
        "design_z": 143.2873,
        "delta_z": 0.0002
      },
      {
        "ch": 378.8517,
        "easting": 451092.9961,
        "northing": 6509700.1143,
        "existing_z": 142.6316,
        "design_z": 142.7483,
        "delta_z": 0.1167
      },
      {
        "ch": 380.0,
        "easting": 451093.9905,
        "northing": 6509700.6885,
        "existing_z": 142.5392,
        "design_z": 142.6788,
        "delta_z": 0.1396
      },
      {
        "ch": 390.0,
        "easting": 451102.6508,
        "northing": 6509705.6885,
        "existing_z": 141.7175,
        "design_z": 142.1098,
        "delta_z": 0.3923
      },
      {
        "ch": 398.8517,
        "easting": 451110.3166,
        "northing": 6509710.1144,
        "existing_z": 140.9647,
        "design_z": 141.6603,
        "delta_z": 0.6957
      },
      {
        "ch": 400.0,
        "easting": 451111.311,
        "northing": 6509710.6886,
        "existing_z": 140.8714,
        "design_z": 141.6058,
        "delta_z": 0.7344
      },
      {
        "ch": 410.0,
        "easting": 451119.9712,
        "northing": 6509715.6886,
        "existing_z": 140.0726,
        "design_z": 141.1668,
        "delta_z": 1.0941
      },
      {
        "ch": 418.8517,
        "easting": 451127.637,
        "northing": 6509720.1145,
        "existing_z": 139.386,
        "design_z": 140.8324,
        "delta_z": 1.4464
      },
      {
        "ch": 420.0,
        "easting": 451128.6314,
        "northing": 6509720.6887,
        "existing_z": 139.2983,
        "design_z": 140.7923,
        "delta_z": 1.494
      },
      {
        "ch": 430.0,
        "easting": 451137.2917,
        "northing": 6509725.6887,
        "existing_z": 138.7697,
        "design_z": 140.4434,
        "delta_z": 1.6737
      },
      {
        "ch": 440.0,
        "easting": 451145.9519,
        "northing": 6509730.6888,
        "existing_z": 138.3445,
        "design_z": 140.0944,
        "delta_z": 1.7498
      },
      {
        "ch": 450.0,
        "easting": 451154.6121,
        "northing": 6509735.6888,
        "existing_z": 138.1955,
        "design_z": 139.7454,
        "delta_z": 1.5499
      },
      {
        "ch": 460.0,
        "easting": 451163.2723,
        "northing": 6509740.6889,
        "existing_z": 138.2566,
        "design_z": 139.3964,
        "delta_z": 1.1399
      },
      {
        "ch": 470.0,
        "easting": 451171.9326,
        "northing": 6509745.6889,
        "existing_z": 138.4179,
        "design_z": 139.0475,
        "delta_z": 0.6296
      },
      {
        "ch": 478.6221,
        "easting": 451179.3995,
        "northing": 6509750.0,
        "existing_z": 138.7466,
        "design_z": 138.7466,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD033",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 18.553,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.35,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451167.88739057083,
          6509627.887390571
        ],
        "end": [
          451183.95513638237,
          6509637.164109106
        ],
        "chainage_start": 0,
        "length": 18.55343532207388
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451167.8874,
        "northing": 6509627.8874,
        "existing_z": 141.0116,
        "design_z": 141.0116,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451176.5476,
        "northing": 6509632.8874,
        "existing_z": 140.4681,
        "design_z": 140.4771,
        "delta_z": 0.009
      },
      {
        "ch": 18.5534,
        "easting": 451183.9551,
        "northing": 6509637.1641,
        "existing_z": 140.0199,
        "design_z": 140.0199,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD034",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 40.836,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.68,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451167.88739057083,
          6509627.887390571
        ],
        "end": [
          451187.03015151905,
          6509647.030151519
        ],
        "chainage_start": 0,
        "length": 27.071952154279654
      },
      {
        "type": "ARC",
        "centre": [
          451194.2,
          6509639.860303038
        ],
        "radius": 10.139696961929255,
        "start_angle_rad": 2.356194490176108,
        "sweep_rad": -0.7853981634000805,
        "start": [
          451187.03015151905,
          6509647.030151519
        ],
        "end": [
          451194.2,
          6509650.0
        ],
        "chainage_start": 27.071952154279654,
        "length": 7.963699371332613,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451194.2000000002,
          6509650.0
        ],
        "end": [
          451200.0,
          6509650.0
        ],
        "chainage_start": 35.035651525612266,
        "length": 5.7999999998137355
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451167.8874,
        "northing": 6509627.8874,
        "existing_z": 141.0116,
        "design_z": 141.0116,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451174.9585,
        "northing": 6509634.9585,
        "existing_z": 140.4306,
        "design_z": 140.5439,
        "delta_z": 0.1133
      },
      {
        "ch": 20.0,
        "easting": 451182.0295,
        "northing": 6509642.0295,
        "existing_z": 139.8712,
        "design_z": 140.0762,
        "delta_z": 0.205
      },
      {
        "ch": 30.0,
        "easting": 451189.3688,
        "northing": 6509648.7751,
        "existing_z": 139.3274,
        "design_z": 139.6085,
        "delta_z": 0.2811
      },
      {
        "ch": 40.0,
        "easting": 451199.1643,
        "northing": 6509650.0,
        "existing_z": 139.1143,
        "design_z": 139.1408,
        "delta_z": 0.0264
      },
      {
        "ch": 40.8357,
        "easting": 451200.0,
        "northing": 6509650.0,
        "existing_z": 139.1017,
        "design_z": 139.1017,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD035",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 20.547,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.47,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451183.95513638237,
          6509637.164109106
        ],
        "end": [
          451200.0,
          6509650.0
        ],
        "chainage_start": 0,
        "length": 20.547451023095366
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451183.9551,
        "northing": 6509637.1641,
        "existing_z": 140.0199,
        "design_z": 140.0199,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451191.7638,
        "northing": 6509643.4111,
        "existing_z": 139.5084,
        "design_z": 139.5731,
        "delta_z": 0.0647
      },
      {
        "ch": 20.0,
        "easting": 451199.5725,
        "northing": 6509649.658,
        "existing_z": 139.1218,
        "design_z": 139.1262,
        "delta_z": 0.0043
      },
      {
        "ch": 20.5475,
        "easting": 451200.0,
        "northing": 6509650.0,
        "existing_z": 139.1017,
        "design_z": 139.1017,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD036",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 25.672,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.94,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451183.95513638237,
          6509637.164109106
        ],
        "end": [
          451206.1875487782,
          6509650.0
        ],
        "chainage_start": 0,
        "length": 25.67177936910806
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451183.9551,
        "northing": 6509637.1641,
        "existing_z": 140.0199,
        "design_z": 140.0199,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451192.6154,
        "northing": 6509642.1641,
        "existing_z": 139.5464,
        "design_z": 139.6258,
        "delta_z": 0.0794
      },
      {
        "ch": 20.0,
        "easting": 451201.2756,
        "northing": 6509647.1641,
        "existing_z": 139.1939,
        "design_z": 139.2316,
        "delta_z": 0.0377
      },
      {
        "ch": 25.6718,
        "easting": 451206.1875,
        "northing": 6509650.0,
        "existing_z": 139.008,
        "design_z": 139.008,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD037",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 172.817,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.28,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451730.0,
          6509590.0
        ],
        "end": [
          451861.2123076922,
          6509702.467692307
        ],
        "chainage_start": 0,
        "length": 172.81681487292428
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 57.605604957641425,
        "pvi_z": 147.74143570673925,
        "bvc": 37.605604957641425,
        "evc": 77.60560495764142,
        "length": 40.0,
        "g1": -0.025003508745744838,
        "g2": -0.03280780195375305,
        "z_bvc": 148.24150588165415,
        "K_m_per_percent": 51.25384058988817
      },
      {
        "pvi_ch": 115.21120991528285,
        "pvi_z": 145.85152242786282,
        "bvc": 95.21120991528285,
        "evc": 135.21120991528284,
        "length": 40.0,
        "g1": -0.03280780195375305,
        "g2": -0.028686215248441106,
        "z_bvc": 146.50767846693788,
        "K_m_per_percent": 97.05000248677905
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451730.0,
        "northing": 6509590.0,
        "existing_z": 149.1818,
        "design_z": 149.1818,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451737.5926,
        "northing": 6509596.5079,
        "existing_z": 148.9893,
        "design_z": 148.9317,
        "delta_z": -0.0576
      },
      {
        "ch": 20.0,
        "easting": 451745.1851,
        "northing": 6509603.0158,
        "existing_z": 148.794,
        "design_z": 148.6817,
        "delta_z": -0.1123
      },
      {
        "ch": 30.0,
        "easting": 451752.7777,
        "northing": 6509609.5237,
        "existing_z": 148.5889,
        "design_z": 148.4317,
        "delta_z": -0.1572
      },
      {
        "ch": 37.6056,
        "easting": 451758.5523,
        "northing": 6509614.4734,
        "existing_z": 148.4048,
        "design_z": 148.2415,
        "delta_z": -0.1633
      },
      {
        "ch": 40.0,
        "easting": 451760.3703,
        "northing": 6509616.0317,
        "existing_z": 148.3459,
        "design_z": 148.1811,
        "delta_z": -0.1648
      },
      {
        "ch": 50.0,
        "easting": 451767.9628,
        "northing": 6509622.5396,
        "existing_z": 148.0974,
        "design_z": 147.9166,
        "delta_z": -0.1808
      },
      {
        "ch": 57.6056,
        "easting": 451773.7374,
        "northing": 6509627.4892,
        "existing_z": 147.8871,
        "design_z": 147.7024,
        "delta_z": -0.1847
      },
      {
        "ch": 60.0,
        "easting": 451775.5554,
        "northing": 6509629.0475,
        "existing_z": 147.8162,
        "design_z": 147.6326,
        "delta_z": -0.1836
      },
      {
        "ch": 70.0,
        "easting": 451783.148,
        "northing": 6509635.5554,
        "existing_z": 147.475,
        "design_z": 147.3292,
        "delta_z": -0.1459
      },
      {
        "ch": 77.6056,
        "easting": 451788.9226,
        "northing": 6509640.5051,
        "existing_z": 147.207,
        "design_z": 147.0853,
        "delta_z": -0.1218
      },
      {
        "ch": 80.0,
        "easting": 451790.7405,
        "northing": 6509642.0633,
        "existing_z": 147.1207,
        "design_z": 147.0067,
        "delta_z": -0.114
      },
      {
        "ch": 90.0,
        "easting": 451798.3331,
        "northing": 6509648.5712,
        "existing_z": 146.7497,
        "design_z": 146.6786,
        "delta_z": -0.0711
      },
      {
        "ch": 95.2112,
        "easting": 451802.2897,
        "northing": 6509651.9626,
        "existing_z": 146.5489,
        "design_z": 146.5077,
        "delta_z": -0.0412
      },
      {
        "ch": 100.0,
        "easting": 451805.9257,
        "northing": 6509655.0791,
        "existing_z": 146.3595,
        "design_z": 146.3518,
        "delta_z": -0.0078
      },
      {
        "ch": 110.0,
        "easting": 451813.5182,
        "northing": 6509661.5871,
        "existing_z": 145.9607,
        "design_z": 146.0338,
        "delta_z": 0.0731
      },
      {
        "ch": 115.2112,
        "easting": 451817.4749,
        "northing": 6509664.9785,
        "existing_z": 145.7495,
        "design_z": 145.8721,
        "delta_z": 0.1226
      },
      {
        "ch": 120.0,
        "easting": 451821.1108,
        "northing": 6509668.095,
        "existing_z": 145.5534,
        "design_z": 145.7261,
        "delta_z": 0.1727
      },
      {
        "ch": 130.0,
        "easting": 451828.7034,
        "northing": 6509674.6029,
        "existing_z": 145.1742,
        "design_z": 145.4287,
        "delta_z": 0.2545
      },
      {
        "ch": 135.2112,
        "easting": 451832.66,
        "northing": 6509677.9943,
        "existing_z": 144.9824,
        "design_z": 145.2778,
        "delta_z": 0.2954
      },
      {
        "ch": 140.0,
        "easting": 451836.2959,
        "northing": 6509681.1108,
        "existing_z": 144.8057,
        "design_z": 145.1404,
        "delta_z": 0.3347
      },
      {
        "ch": 150.0,
        "easting": 451843.8885,
        "northing": 6509687.6187,
        "existing_z": 144.4343,
        "design_z": 144.8536,
        "delta_z": 0.4193
      },
      {
        "ch": 160.0,
        "easting": 451851.4811,
        "northing": 6509694.1266,
        "existing_z": 144.2479,
        "design_z": 144.5667,
        "delta_z": 0.3188
      },
      {
        "ch": 170.0,
        "easting": 451859.0736,
        "northing": 6509700.6345,
        "existing_z": 144.2065,
        "design_z": 144.2798,
        "delta_z": 0.0733
      },
      {
        "ch": 172.8168,
        "easting": 451861.2123,
        "northing": 6509702.4677,
        "existing_z": 144.199,
        "design_z": 144.199,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD038",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 172.69,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.31,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451730.0,
          6509590.0
        ],
        "end": [
          451859.9626666666,
          6509703.717333334
        ],
        "chainage_start": 0,
        "length": 172.69026210991615
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 57.56342070330538,
        "pvi_z": 147.71759613023693,
        "bvc": 37.56342070330538,
        "evc": 77.56342070330538,
        "length": 40.0,
        "g1": -0.025435976631954387,
        "g2": -0.03314794892532431,
        "z_bvc": 148.226315662876,
        "K_m_per_percent": 51.867406259211414
      },
      {
        "pvi_ch": 115.12684140661077,
        "pvi_z": 145.8094868007968,
        "bvc": 95.12684140661077,
        "evc": 135.12684140661077,
        "length": 40.0,
        "g1": -0.03314794892532431,
        "g2": -0.02832424046411486,
        "z_bvc": 146.47244577930329,
        "K_m_per_percent": 82.92375113808356
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451730.0,
        "northing": 6509590.0,
        "existing_z": 149.1818,
        "design_z": 149.1818,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451737.5258,
        "northing": 6509596.585,
        "existing_z": 148.985,
        "design_z": 148.9274,
        "delta_z": -0.0576
      },
      {
        "ch": 20.0,
        "easting": 451745.0515,
        "northing": 6509603.1701,
        "existing_z": 148.7853,
        "design_z": 148.6731,
        "delta_z": -0.1123
      },
      {
        "ch": 30.0,
        "easting": 451752.5773,
        "northing": 6509609.7551,
        "existing_z": 148.5763,
        "design_z": 148.4187,
        "delta_z": -0.1576
      },
      {
        "ch": 37.5634,
        "easting": 451758.2694,
        "northing": 6509614.7357,
        "existing_z": 148.3891,
        "design_z": 148.2263,
        "delta_z": -0.1628
      },
      {
        "ch": 40.0,
        "easting": 451760.1031,
        "northing": 6509616.3402,
        "existing_z": 148.3281,
        "design_z": 148.1638,
        "delta_z": -0.1643
      },
      {
        "ch": 50.0,
        "easting": 451767.6288,
        "northing": 6509622.9252,
        "existing_z": 148.0751,
        "design_z": 147.8951,
        "delta_z": -0.18
      },
      {
        "ch": 57.5634,
        "easting": 451773.3209,
        "northing": 6509627.9058,
        "existing_z": 147.8644,
        "design_z": 147.679,
        "delta_z": -0.1853
      },
      {
        "ch": 60.0,
        "easting": 451775.1546,
        "northing": 6509629.5103,
        "existing_z": 147.7912,
        "design_z": 147.6071,
        "delta_z": -0.1841
      },
      {
        "ch": 70.0,
        "easting": 451782.6804,
        "northing": 6509636.0953,
        "existing_z": 147.4419,
        "design_z": 147.2998,
        "delta_z": -0.1421
      },
      {
        "ch": 77.5634,
        "easting": 451788.3724,
        "northing": 6509641.0759,
        "existing_z": 147.1718,
        "design_z": 147.0546,
        "delta_z": -0.1172
      },
      {
        "ch": 80.0,
        "easting": 451790.2061,
        "northing": 6509642.6804,
        "existing_z": 147.0838,
        "design_z": 146.9739,
        "delta_z": -0.1099
      },
      {
        "ch": 90.0,
        "easting": 451797.7319,
        "northing": 6509649.2654,
        "existing_z": 146.7081,
        "design_z": 146.6424,
        "delta_z": -0.0658
      },
      {
        "ch": 95.1268,
        "easting": 451801.5902,
        "northing": 6509652.6415,
        "existing_z": 146.506,
        "design_z": 146.4724,
        "delta_z": -0.0336
      },
      {
        "ch": 100.0,
        "easting": 451805.2577,
        "northing": 6509655.8505,
        "existing_z": 146.3109,
        "design_z": 146.3123,
        "delta_z": 0.0014
      },
      {
        "ch": 110.0,
        "easting": 451812.7834,
        "northing": 6509662.4355,
        "existing_z": 145.9072,
        "design_z": 145.9928,
        "delta_z": 0.0856
      },
      {
        "ch": 115.1268,
        "easting": 451816.6418,
        "northing": 6509665.8116,
        "existing_z": 145.6969,
        "design_z": 145.8336,
        "delta_z": 0.1367
      },
      {
        "ch": 120.0,
        "easting": 451820.3092,
        "northing": 6509669.0206,
        "existing_z": 145.4949,
        "design_z": 145.6853,
        "delta_z": 0.1904
      },
      {
        "ch": 130.0,
        "easting": 451827.835,
        "northing": 6509675.6056,
        "existing_z": 145.1187,
        "design_z": 145.3898,
        "delta_z": 0.2711
      },
      {
        "ch": 135.1268,
        "easting": 451831.6933,
        "northing": 6509678.9816,
        "existing_z": 144.9274,
        "design_z": 145.243,
        "delta_z": 0.3156
      },
      {
        "ch": 140.0,
        "easting": 451835.3607,
        "northing": 6509682.1906,
        "existing_z": 144.7455,
        "design_z": 145.105,
        "delta_z": 0.3595
      },
      {
        "ch": 150.0,
        "easting": 451842.8865,
        "northing": 6509688.7757,
        "existing_z": 144.3697,
        "design_z": 144.8217,
        "delta_z": 0.4521
      },
      {
        "ch": 160.0,
        "easting": 451850.4123,
        "northing": 6509695.3607,
        "existing_z": 144.2284,
        "design_z": 144.5385,
        "delta_z": 0.3101
      },
      {
        "ch": 170.0,
        "easting": 451857.938,
        "northing": 6509701.9458,
        "existing_z": 144.1864,
        "design_z": 144.2552,
        "delta_z": 0.0688
      },
      {
        "ch": 172.6903,
        "easting": 451859.9627,
        "northing": 6509703.7173,
        "existing_z": 144.179,
        "design_z": 144.179,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD039",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 6.188,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 1.51,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451200.0,
          6509650.0
        ],
        "end": [
          451206.1875487782,
          6509650.0
        ],
        "chainage_start": 0,
        "length": 6.1875487781944685
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451200.0,
        "northing": 6509650.0,
        "existing_z": 139.1017,
        "design_z": 139.1017,
        "delta_z": 0.0
      },
      {
        "ch": 6.1875,
        "easting": 451206.1875,
        "northing": 6509650.0,
        "existing_z": 139.008,
        "design_z": 139.008,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD040",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 12.636,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.71,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451763.6553539037,
          6509658.595353903
        ],
        "end": [
          451772.59,
          6509649.66
        ],
        "chainage_start": 0,
        "length": 12.63599818930069
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451763.6554,
        "northing": 6509658.5954,
        "existing_z": 146.0276,
        "design_z": 146.0276,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451770.7261,
        "northing": 6509651.524,
        "existing_z": 146.5051,
        "design_z": 146.499,
        "delta_z": -0.0061
      },
      {
        "ch": 12.636,
        "easting": 451772.59,
        "northing": 6509649.66,
        "existing_z": 146.6233,
        "design_z": 146.6233,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD041",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 33.338,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 0.03,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451206.1875487782,
          6509650.0
        ],
        "end": [
          451208.3987704868,
          6509650.0
        ],
        "chainage_start": 0,
        "length": 2.2112217086250894
      },
      {
        "type": "ARC",
        "centre": [
          451208.3987704868,
          6509655.288501826
        ],
        "radius": 5.288501826497557,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.5880026035453875,
        "start": [
          451208.3987704868,
          6509650.0
        ],
        "end": [
          451211.33230348775,
          6509650.888202325
        ],
        "chainage_start": 2.2112217086250894,
        "length": 3.1096528428351005,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451211.3323034877,
          6509650.8882023245
        ],
        "end": [
          451234.64409521094,
          6509666.429396807
        ],
        "chainage_start": 5.320874551460189,
        "length": 28.0172867940001
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451206.1875,
        "northing": 6509650.0,
        "existing_z": 139.008,
        "design_z": 139.008,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451215.2256,
        "northing": 6509653.4837,
        "existing_z": 138.9033,
        "design_z": 139.0049,
        "delta_z": 0.1017
      },
      {
        "ch": 20.0,
        "easting": 451223.5461,
        "northing": 6509659.0307,
        "existing_z": 138.8847,
        "design_z": 139.0019,
        "delta_z": 0.1171
      },
      {
        "ch": 30.0,
        "easting": 451231.8666,
        "northing": 6509664.5777,
        "existing_z": 138.9482,
        "design_z": 138.9988,
        "delta_z": 0.0506
      },
      {
        "ch": 33.3382,
        "easting": 451234.6441,
        "northing": 6509666.4294,
        "existing_z": 138.9978,
        "design_z": 138.9978,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD042",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 32.859,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 0.03,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451206.1875487782,
          6509650.0
        ],
        "end": [
          451234.64409521094,
          6509666.429396807
        ],
        "chainage_start": 0,
        "length": 32.85879051833768
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451206.1875,
        "northing": 6509650.0,
        "existing_z": 139.008,
        "design_z": 139.008,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451214.8478,
        "northing": 6509655.0,
        "existing_z": 138.8696,
        "design_z": 139.0049,
        "delta_z": 0.1353
      },
      {
        "ch": 20.0,
        "easting": 451223.5081,
        "northing": 6509660.0,
        "existing_z": 138.8708,
        "design_z": 139.0018,
        "delta_z": 0.131
      },
      {
        "ch": 30.0,
        "easting": 451232.1683,
        "northing": 6509665.0,
        "existing_z": 138.9515,
        "design_z": 138.9987,
        "delta_z": 0.0471
      },
      {
        "ch": 32.8588,
        "easting": 451234.6441,
        "northing": 6509666.4294,
        "existing_z": 138.9978,
        "design_z": 138.9978,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD043",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 346.049,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.38,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450685.81205275113,
          6509580.496444224
        ],
        "end": [
          450985.4987872262,
          6509753.522100524
        ],
        "chainage_start": 0,
        "length": 346.04915338469834
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 69.20983067693967,
        "pvi_z": 154.50552220918246,
        "bvc": 49.209830676939674,
        "evc": 89.20983067693967,
        "length": 40.0,
        "g1": 0.00907568438119203,
        "g2": -0.0026875385806880304,
        "z_bvc": 154.32400852155862,
        "K_m_per_percent": 34.004286180432125
      },
      {
        "pvi_ch": 138.41966135387935,
        "pvi_z": 154.3195181190753,
        "bvc": 118.41966135387935,
        "evc": 158.41966135387935,
        "length": 40.0,
        "g1": -0.0026875385806880304,
        "g2": -0.023187118304892153,
        "z_bvc": 154.37326889068905,
        "K_m_per_percent": 19.51259515470528
      },
      {
        "pvi_ch": 207.62949203081902,
        "pvi_z": 152.71474158730754,
        "bvc": 187.62949203081902,
        "evc": 227.62949203081902,
        "length": 40.0,
        "g1": -0.023187118304892153,
        "g2": -0.04164603513400551,
        "z_bvc": 153.1784839534054,
        "K_m_per_percent": 21.669743880590055
      },
      {
        "pvi_ch": 276.8393227077587,
        "pvi_z": 149.83242654731714,
        "bvc": 256.8393227077587,
        "evc": 296.8393227077587,
        "length": 40.0,
        "g1": -0.04164603513400551,
        "g2": -0.0537921376107942,
        "z_bvc": 150.66534724999724,
        "K_m_per_percent": 32.93237487205494
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450685.8121,
        "northing": 6509580.4964,
        "existing_z": 153.8774,
        "design_z": 153.8774,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450694.4723,
        "northing": 6509585.4965,
        "existing_z": 153.951,
        "design_z": 153.9682,
        "delta_z": 0.0171
      },
      {
        "ch": 20.0,
        "easting": 450703.1325,
        "northing": 6509590.4965,
        "existing_z": 154.0674,
        "design_z": 154.0589,
        "delta_z": -0.0085
      },
      {
        "ch": 30.0,
        "easting": 450711.7928,
        "northing": 6509595.4965,
        "existing_z": 154.1929,
        "design_z": 154.1497,
        "delta_z": -0.0432
      },
      {
        "ch": 40.0,
        "easting": 450720.453,
        "northing": 6509600.4966,
        "existing_z": 154.3162,
        "design_z": 154.2404,
        "delta_z": -0.0758
      },
      {
        "ch": 49.2098,
        "easting": 450728.4289,
        "northing": 6509605.1015,
        "existing_z": 154.4445,
        "design_z": 154.324,
        "delta_z": -0.1205
      },
      {
        "ch": 50.0,
        "easting": 450729.1132,
        "northing": 6509605.4966,
        "existing_z": 154.4562,
        "design_z": 154.3311,
        "delta_z": -0.1251
      },
      {
        "ch": 60.0,
        "easting": 450737.7735,
        "northing": 6509610.4966,
        "existing_z": 154.5551,
        "design_z": 154.4048,
        "delta_z": -0.1503
      },
      {
        "ch": 69.2098,
        "easting": 450745.7494,
        "northing": 6509615.1016,
        "existing_z": 154.6473,
        "design_z": 154.4467,
        "delta_z": -0.2006
      },
      {
        "ch": 70.0,
        "easting": 450746.4337,
        "northing": 6509615.4967,
        "existing_z": 154.6557,
        "design_z": 154.4491,
        "delta_z": -0.2066
      },
      {
        "ch": 80.0,
        "easting": 450755.0939,
        "northing": 6509620.4967,
        "existing_z": 154.7251,
        "design_z": 154.4641,
        "delta_z": -0.2611
      },
      {
        "ch": 89.2098,
        "easting": 450763.0699,
        "northing": 6509625.1016,
        "existing_z": 154.7656,
        "design_z": 154.4518,
        "delta_z": -0.3138
      },
      {
        "ch": 90.0,
        "easting": 450763.7542,
        "northing": 6509625.4967,
        "existing_z": 154.7692,
        "design_z": 154.4496,
        "delta_z": -0.3195
      },
      {
        "ch": 100.0,
        "easting": 450772.4144,
        "northing": 6509630.4968,
        "existing_z": 154.7947,
        "design_z": 154.4228,
        "delta_z": -0.372
      },
      {
        "ch": 110.0,
        "easting": 450781.0746,
        "northing": 6509635.4968,
        "existing_z": 154.7658,
        "design_z": 154.3959,
        "delta_z": -0.3699
      },
      {
        "ch": 118.4197,
        "easting": 450788.3663,
        "northing": 6509639.7066,
        "existing_z": 154.7489,
        "design_z": 154.3733,
        "delta_z": -0.3756
      },
      {
        "ch": 120.0,
        "easting": 450789.7349,
        "northing": 6509640.4968,
        "existing_z": 154.7465,
        "design_z": 154.3684,
        "delta_z": -0.3781
      },
      {
        "ch": 130.0,
        "easting": 450798.3951,
        "northing": 6509645.4968,
        "existing_z": 154.6662,
        "design_z": 154.3078,
        "delta_z": -0.3584
      },
      {
        "ch": 138.4197,
        "easting": 450805.6867,
        "northing": 6509649.7067,
        "existing_z": 154.5991,
        "design_z": 154.217,
        "delta_z": -0.3821
      },
      {
        "ch": 140.0,
        "easting": 450807.0554,
        "northing": 6509650.4969,
        "existing_z": 154.5865,
        "design_z": 154.1959,
        "delta_z": -0.3905
      },
      {
        "ch": 150.0,
        "easting": 450815.7156,
        "northing": 6509655.4969,
        "existing_z": 154.4443,
        "design_z": 154.0328,
        "delta_z": -0.4115
      },
      {
        "ch": 158.4197,
        "easting": 450823.0072,
        "northing": 6509659.7068,
        "existing_z": 154.295,
        "design_z": 153.8558,
        "delta_z": -0.4392
      },
      {
        "ch": 160.0,
        "easting": 450824.3758,
        "northing": 6509660.4969,
        "existing_z": 154.2666,
        "design_z": 153.8191,
        "delta_z": -0.4475
      },
      {
        "ch": 170.0,
        "easting": 450833.0361,
        "northing": 6509665.497,
        "existing_z": 154.0506,
        "design_z": 153.5873,
        "delta_z": -0.4634
      },
      {
        "ch": 180.0,
        "easting": 450841.6963,
        "northing": 6509670.497,
        "existing_z": 153.7709,
        "design_z": 153.3554,
        "delta_z": -0.4155
      },
      {
        "ch": 187.6295,
        "easting": 450848.3036,
        "northing": 6509674.3118,
        "existing_z": 153.5681,
        "design_z": 153.1785,
        "delta_z": -0.3896
      },
      {
        "ch": 190.0,
        "easting": 450850.3565,
        "northing": 6509675.497,
        "existing_z": 153.5034,
        "design_z": 153.1222,
        "delta_z": -0.3812
      },
      {
        "ch": 200.0,
        "easting": 450859.0168,
        "northing": 6509680.4971,
        "existing_z": 153.1828,
        "design_z": 152.8563,
        "delta_z": -0.3265
      },
      {
        "ch": 207.6295,
        "easting": 450865.6241,
        "northing": 6509684.3118,
        "existing_z": 152.9447,
        "design_z": 152.6224,
        "delta_z": -0.3222
      },
      {
        "ch": 210.0,
        "easting": 450867.677,
        "northing": 6509685.4971,
        "existing_z": 152.8719,
        "design_z": 152.5443,
        "delta_z": -0.3276
      },
      {
        "ch": 220.0,
        "easting": 450876.3372,
        "northing": 6509690.4971,
        "existing_z": 152.5093,
        "design_z": 152.1861,
        "delta_z": -0.3232
      },
      {
        "ch": 227.6295,
        "easting": 450882.9446,
        "northing": 6509694.3119,
        "existing_z": 152.2222,
        "design_z": 151.8818,
        "delta_z": -0.3404
      },
      {
        "ch": 230.0,
        "easting": 450884.9975,
        "northing": 6509695.4972,
        "existing_z": 152.1337,
        "design_z": 151.7831,
        "delta_z": -0.3506
      },
      {
        "ch": 240.0,
        "easting": 450893.6577,
        "northing": 6509700.4972,
        "existing_z": 151.7285,
        "design_z": 151.3666,
        "delta_z": -0.3618
      },
      {
        "ch": 250.0,
        "easting": 450902.318,
        "northing": 6509705.4972,
        "existing_z": 151.284,
        "design_z": 150.9502,
        "delta_z": -0.3338
      },
      {
        "ch": 256.8393,
        "easting": 450908.241,
        "northing": 6509708.9169,
        "existing_z": 150.9862,
        "design_z": 150.6653,
        "delta_z": -0.3208
      },
      {
        "ch": 260.0,
        "easting": 450910.9782,
        "northing": 6509710.4973,
        "existing_z": 150.8411,
        "design_z": 150.5322,
        "delta_z": -0.3089
      },
      {
        "ch": 270.0,
        "easting": 450919.6384,
        "northing": 6509715.4973,
        "existing_z": 150.3297,
        "design_z": 150.091,
        "delta_z": -0.2388
      },
      {
        "ch": 276.8393,
        "easting": 450925.5614,
        "northing": 6509718.917,
        "existing_z": 149.9807,
        "design_z": 149.7717,
        "delta_z": -0.209
      },
      {
        "ch": 280.0,
        "easting": 450928.2987,
        "northing": 6509720.4973,
        "existing_z": 149.8195,
        "design_z": 149.6194,
        "delta_z": -0.2002
      },
      {
        "ch": 290.0,
        "easting": 450936.9589,
        "northing": 6509725.4973,
        "existing_z": 149.2654,
        "design_z": 149.1174,
        "delta_z": -0.1481
      },
      {
        "ch": 296.8393,
        "easting": 450942.8819,
        "northing": 6509728.917,
        "existing_z": 148.8811,
        "design_z": 148.7566,
        "delta_z": -0.1246
      },
      {
        "ch": 300.0,
        "easting": 450945.6191,
        "northing": 6509730.4974,
        "existing_z": 148.7037,
        "design_z": 148.5866,
        "delta_z": -0.1172
      },
      {
        "ch": 310.0,
        "easting": 450954.2794,
        "northing": 6509735.4974,
        "existing_z": 148.1325,
        "design_z": 148.0486,
        "delta_z": -0.0838
      },
      {
        "ch": 320.0,
        "easting": 450962.9396,
        "northing": 6509740.4974,
        "existing_z": 147.5601,
        "design_z": 147.5107,
        "delta_z": -0.0494
      },
      {
        "ch": 330.0,
        "easting": 450971.5998,
        "northing": 6509745.4975,
        "existing_z": 146.9985,
        "design_z": 146.9728,
        "delta_z": -0.0257
      },
      {
        "ch": 340.0,
        "easting": 450980.2601,
        "northing": 6509750.4975,
        "existing_z": 146.4427,
        "design_z": 146.4349,
        "delta_z": -0.0078
      },
      {
        "ch": 346.0492,
        "easting": 450985.4988,
        "northing": 6509753.5221,
        "existing_z": 146.1095,
        "design_z": 146.1095,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD044",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 40.0,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 0.12,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451290.0,
          6509670.0
        ],
        "end": [
          451330.0,
          6509670.0
        ],
        "chainage_start": 0,
        "length": 40.0
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451290.0,
        "northing": 6509670.0,
        "existing_z": 139.9808,
        "design_z": 139.9808,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451300.0,
        "northing": 6509670.0,
        "existing_z": 139.9929,
        "design_z": 139.9932,
        "delta_z": 0.0004
      },
      {
        "ch": 20.0,
        "easting": 451310.0,
        "northing": 6509670.0,
        "existing_z": 140.005,
        "design_z": 140.0057,
        "delta_z": 0.0007
      },
      {
        "ch": 30.0,
        "easting": 451320.0,
        "northing": 6509670.0,
        "existing_z": 140.0178,
        "design_z": 140.0182,
        "delta_z": 0.0004
      },
      {
        "ch": 40.0,
        "easting": 451330.0,
        "northing": 6509670.0,
        "existing_z": 140.0306,
        "design_z": 140.0306,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD045",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 38.251,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 2.3,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451234.64409521094,
          6509666.429396807
        ],
        "end": [
          451266.4705882353,
          6509687.647058823
        ],
        "chainage_start": 0,
        "length": 38.25068417233725
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451234.6441,
        "northing": 6509666.4294,
        "existing_z": 138.9978,
        "design_z": 138.9978,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451242.9646,
        "northing": 6509671.9764,
        "existing_z": 139.2052,
        "design_z": 139.2279,
        "delta_z": 0.0227
      },
      {
        "ch": 20.0,
        "easting": 451251.2851,
        "northing": 6509677.5234,
        "existing_z": 139.4708,
        "design_z": 139.458,
        "delta_z": -0.0127
      },
      {
        "ch": 30.0,
        "easting": 451259.6056,
        "northing": 6509683.0704,
        "existing_z": 139.7003,
        "design_z": 139.6882,
        "delta_z": -0.0121
      },
      {
        "ch": 38.2507,
        "easting": 451266.4706,
        "northing": 6509687.6471,
        "existing_z": 139.8781,
        "design_z": 139.8781,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD046",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 252.797,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.0,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451507.39000000025,
          6509730.0
        ],
        "end": [
          451508.9038000001,
          6509730.0
        ],
        "chainage_start": 0,
        "length": 1.5137999998405576
      },
      {
        "type": "ARC",
        "centre": [
          451508.9038000001,
          6509732.646460907
        ],
        "radius": 2.646460906823138,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          451508.9038000001,
          6509730.0
        ],
        "end": [
          451510.77513045346,
          6509730.7751304535
        ],
        "chainage_start": 1.5137999998405576,
        "length": 2.0785255357220387,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451510.77513045346,
          6509730.7751304535
        ],
        "end": [
          451521.6,
          6509741.6
        ],
        "chainage_start": 3.5923255355625963,
        "length": 15.308677323313463
      },
      {
        "type": "ARC",
        "centre": [
          451530.04335387674,
          6509733.156646123
        ],
        "radius": 11.940705564406858,
        "start_angle_rad": 2.3561944902095795,
        "sweep_rad": -1.5656484469463794,
        "start": [
          451521.6,
          6509741.6
        ],
        "end": [
          451538.4431306972,
          6509741.643353302
        ],
        "chainage_start": 18.90100285887606,
        "length": 18.69494712235759,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451538.443130697,
          6509741.643353302
        ],
        "end": [
          451611.03,
          6509669.8
        ],
        "chainage_start": 37.595949981233645,
        "length": 102.12894305201206
      },
      {
        "type": "LINE",
        "start": [
          451611.03,
          6509669.8
        ],
        "end": [
          451689.75187830447,
          6509590.250729534
        ],
        "chainage_start": 139.7248930332457,
        "length": 111.91613179272541
      },
      {
        "type": "ARC",
        "centre": [
          451690.35274590726,
          6509590.845347512
        ],
        "radius": 0.8453475113974911,
        "start_angle_rad": -2.36142213010071,
        "sweep_rad": 0.7906258036255823,
        "start": [
          451689.75187830447,
          6509590.250729534
        ],
        "end": [
          451690.3527459072,
          6509590.0
        ],
        "chainage_start": 251.6410248259711,
        "length": 0.6683535555415275,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451690.35274590756,
          6509590.0
        ],
        "end": [
          451690.83987120766,
          6509590.0
        ],
        "chainage_start": 252.30937838151263,
        "length": 0.4871253001037985
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 63.19912592040411,
        "pvi_z": 142.078124159592,
        "bvc": 43.19912592040411,
        "evc": 83.1991259204041,
        "length": 40.0,
        "g1": 0.01454432477238154,
        "g2": 0.027589989550876298,
        "z_bvc": 141.78723766414436,
        "K_m_per_percent": 30.661526782397747
      },
      {
        "pvi_ch": 126.39825184080821,
        "pvi_z": 143.82178738336046,
        "bvc": 106.39825184080821,
        "evc": 146.3982518408082,
        "length": 40.0,
        "g1": 0.027589989550876298,
        "g2": 0.0357045381003822,
        "z_bvc": 143.26998759234294,
        "K_m_per_percent": 49.29417792741611
      },
      {
        "pvi_ch": 189.59737776121233,
        "pvi_z": 146.07828298269638,
        "bvc": 169.59737776121233,
        "evc": 209.59737776121233,
        "length": 40.0,
        "g1": 0.0357045381003822,
        "g2": 0.0399862209764101,
        "z_bvc": 145.36419222068872,
        "K_m_per_percent": 93.42121114095166
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451507.39,
        "northing": 6509730.0,
        "existing_z": 141.1589,
        "design_z": 141.1589,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451515.306,
        "northing": 6509735.306,
        "existing_z": 141.0288,
        "design_z": 141.3044,
        "delta_z": 0.2756
      },
      {
        "ch": 20.0,
        "easting": 451522.4117,
        "northing": 6509742.3403,
        "existing_z": 140.8317,
        "design_z": 141.4498,
        "delta_z": 0.6181
      },
      {
        "ch": 30.0,
        "easting": 451531.7582,
        "northing": 6509744.9736,
        "existing_z": 140.8228,
        "design_z": 141.5953,
        "delta_z": 0.7725
      },
      {
        "ch": 40.0,
        "easting": 451540.1518,
        "northing": 6509739.9522,
        "existing_z": 141.1356,
        "design_z": 141.7407,
        "delta_z": 0.6051
      },
      {
        "ch": 43.1991,
        "easting": 451542.4255,
        "northing": 6509737.7018,
        "existing_z": 141.2423,
        "design_z": 141.7872,
        "delta_z": 0.5449
      },
      {
        "ch": 50.0,
        "easting": 451547.2592,
        "northing": 6509732.9176,
        "existing_z": 141.4561,
        "design_z": 141.8937,
        "delta_z": 0.4375
      },
      {
        "ch": 60.0,
        "easting": 451554.3665,
        "northing": 6509725.8831,
        "existing_z": 141.7758,
        "design_z": 142.0776,
        "delta_z": 0.3018
      },
      {
        "ch": 63.1991,
        "easting": 451556.6403,
        "northing": 6509723.6326,
        "existing_z": 141.8798,
        "design_z": 142.1434,
        "delta_z": 0.2636
      },
      {
        "ch": 70.0,
        "easting": 451561.4739,
        "northing": 6509718.8485,
        "existing_z": 142.091,
        "design_z": 142.2942,
        "delta_z": 0.2031
      },
      {
        "ch": 80.0,
        "easting": 451568.5813,
        "northing": 6509711.8139,
        "existing_z": 142.3779,
        "design_z": 142.5433,
        "delta_z": 0.1654
      },
      {
        "ch": 83.1991,
        "easting": 451570.855,
        "northing": 6509709.5635,
        "existing_z": 142.4649,
        "design_z": 142.6299,
        "delta_z": 0.165
      },
      {
        "ch": 90.0,
        "easting": 451575.6887,
        "northing": 6509704.7793,
        "existing_z": 142.6608,
        "design_z": 142.8176,
        "delta_z": 0.1568
      },
      {
        "ch": 100.0,
        "easting": 451582.796,
        "northing": 6509697.7448,
        "existing_z": 142.9502,
        "design_z": 143.0935,
        "delta_z": 0.1433
      },
      {
        "ch": 106.3983,
        "easting": 451587.3435,
        "northing": 6509693.2439,
        "existing_z": 143.1362,
        "design_z": 143.27,
        "delta_z": 0.1338
      },
      {
        "ch": 110.0,
        "easting": 451589.9034,
        "northing": 6509690.7102,
        "existing_z": 143.2412,
        "design_z": 143.3707,
        "delta_z": 0.1294
      },
      {
        "ch": 120.0,
        "easting": 451597.0108,
        "northing": 6509683.6756,
        "existing_z": 143.5461,
        "design_z": 143.664,
        "delta_z": 0.1179
      },
      {
        "ch": 126.3983,
        "easting": 451601.5583,
        "northing": 6509679.1747,
        "existing_z": 143.7457,
        "design_z": 143.8624,
        "delta_z": 0.1167
      },
      {
        "ch": 130.0,
        "easting": 451604.1182,
        "northing": 6509676.641,
        "existing_z": 143.8594,
        "design_z": 143.9777,
        "delta_z": 0.1183
      },
      {
        "ch": 140.0,
        "easting": 451611.2235,
        "northing": 6509669.6045,
        "existing_z": 144.1834,
        "design_z": 144.3116,
        "delta_z": 0.1282
      },
      {
        "ch": 146.3983,
        "easting": 451615.724,
        "northing": 6509665.0566,
        "existing_z": 144.4123,
        "design_z": 144.5359,
        "delta_z": 0.1236
      },
      {
        "ch": 150.0,
        "easting": 451618.2575,
        "northing": 6509662.4965,
        "existing_z": 144.5426,
        "design_z": 144.6645,
        "delta_z": 0.1219
      },
      {
        "ch": 160.0,
        "easting": 451625.2915,
        "northing": 6509655.3886,
        "existing_z": 144.9099,
        "design_z": 145.0215,
        "delta_z": 0.1117
      },
      {
        "ch": 169.5974,
        "easting": 451632.0423,
        "northing": 6509648.5668,
        "existing_z": 145.2683,
        "design_z": 145.3642,
        "delta_z": 0.0959
      },
      {
        "ch": 170.0,
        "easting": 451632.3255,
        "northing": 6509648.2806,
        "existing_z": 145.2833,
        "design_z": 145.3786,
        "delta_z": 0.0953
      },
      {
        "ch": 180.0,
        "easting": 451639.3595,
        "northing": 6509641.1727,
        "existing_z": 145.6623,
        "design_z": 145.7414,
        "delta_z": 0.0791
      },
      {
        "ch": 189.5974,
        "easting": 451646.1103,
        "northing": 6509634.351,
        "existing_z": 146.0363,
        "design_z": 146.0997,
        "delta_z": 0.0634
      },
      {
        "ch": 190.0,
        "easting": 451646.3935,
        "northing": 6509634.0648,
        "existing_z": 146.0522,
        "design_z": 146.1149,
        "delta_z": 0.0628
      },
      {
        "ch": 200.0,
        "easting": 451653.4275,
        "northing": 6509626.9568,
        "existing_z": 146.4448,
        "design_z": 146.4992,
        "delta_z": 0.0544
      },
      {
        "ch": 209.5974,
        "easting": 451660.1784,
        "northing": 6509620.1351,
        "existing_z": 146.8284,
        "design_z": 146.878,
        "delta_z": 0.0496
      },
      {
        "ch": 210.0,
        "easting": 451660.4616,
        "northing": 6509619.8489,
        "existing_z": 146.8448,
        "design_z": 146.8941,
        "delta_z": 0.0493
      },
      {
        "ch": 220.0,
        "easting": 451667.4956,
        "northing": 6509612.741,
        "existing_z": 147.2638,
        "design_z": 147.294,
        "delta_z": 0.0301
      },
      {
        "ch": 230.0,
        "easting": 451674.5296,
        "northing": 6509605.633,
        "existing_z": 147.6757,
        "design_z": 147.6938,
        "delta_z": 0.0181
      },
      {
        "ch": 240.0,
        "easting": 451681.5636,
        "northing": 6509598.5251,
        "existing_z": 148.0854,
        "design_z": 148.0937,
        "delta_z": 0.0083
      },
      {
        "ch": 250.0,
        "easting": 451688.5976,
        "northing": 6509591.4172,
        "existing_z": 148.5071,
        "design_z": 148.4936,
        "delta_z": -0.0135
      },
      {
        "ch": 252.7965,
        "easting": 451690.8399,
        "northing": 6509590.0,
        "existing_z": 148.6054,
        "design_z": 148.6054,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD047",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 29.412,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 0.35,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451266.4705882353,
          6509687.647058823
        ],
        "end": [
          451290.0,
          6509670.0
        ],
        "chainage_start": 0,
        "length": 29.41176470564678
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451266.4706,
        "northing": 6509687.6471,
        "existing_z": 139.8781,
        "design_z": 139.8781,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451274.4706,
        "northing": 6509681.6471,
        "existing_z": 139.9316,
        "design_z": 139.913,
        "delta_z": -0.0186
      },
      {
        "ch": 20.0,
        "easting": 451282.4706,
        "northing": 6509675.6471,
        "existing_z": 139.95,
        "design_z": 139.9479,
        "delta_z": -0.0021
      },
      {
        "ch": 29.4118,
        "easting": 451290.0,
        "northing": 6509670.0,
        "existing_z": 139.9808,
        "design_z": 139.9808,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD048",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 253.893,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.01,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451507.39000000025,
          6509730.0
        ],
        "end": [
          451519.9876000001,
          6509742.5976
        ],
        "chainage_start": 0,
        "length": 17.81569677323948
      },
      {
        "type": "ARC",
        "centre": [
          451529.1102784063,
          6509733.474921593
        ],
        "radius": 12.901415527200397,
        "start_angle_rad": 2.3561944901732033,
        "sweep_rad": -1.5707658082855076,
        "start": [
          451519.9876000001,
          6509742.5976
        ],
        "end": [
          451538.2326783977,
          6509742.597878406
        ],
        "chainage_start": 17.81569677323948,
        "length": 20.26510238861013,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451538.23267839785,
          6509742.597878406
        ],
        "end": [
          451690.83987120766,
          6509590.0
        ],
        "chainage_start": 38.08079916184961,
        "length": 215.81257560959983
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 63.47334369286236,
        "pvi_z": 142.04818066263553,
        "bvc": 43.47334369286236,
        "evc": 83.47334369286236,
        "length": 40.0,
        "g1": 0.014009741161005314,
        "g2": 0.027517089054085585,
        "z_bvc": 141.76798583941542,
        "K_m_per_percent": 29.61351133962556
      },
      {
        "pvi_ch": 126.94668738572472,
        "pvi_z": 143.7947823135926,
        "bvc": 106.94668738572472,
        "evc": 146.94668738572472,
        "length": 40.0,
        "g1": 0.027517089054085585,
        "g2": 0.035660571786264514,
        "z_bvc": 143.2444405325109,
        "K_m_per_percent": 49.11903336141453
      },
      {
        "pvi_ch": 190.42003107858707,
        "pvi_z": 146.05827804286616,
        "bvc": 170.42003107858707,
        "evc": 210.42003107858707,
        "length": 40.0,
        "g1": 0.035660571786264514,
        "g2": 0.04012864308400828,
        "z_bvc": 145.34506660714086,
        "K_m_per_percent": 89.52408619844259
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451507.39,
        "northing": 6509730.0,
        "existing_z": 141.1589,
        "design_z": 141.1589,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451514.4611,
        "northing": 6509737.0711,
        "existing_z": 140.9606,
        "design_z": 141.299,
        "delta_z": 0.3385
      },
      {
        "ch": 20.0,
        "easting": 451521.6552,
        "northing": 6509744.0043,
        "existing_z": 140.7674,
        "design_z": 141.4391,
        "delta_z": 0.6718
      },
      {
        "ch": 30.0,
        "easting": 451531.1532,
        "northing": 6509746.2136,
        "existing_z": 140.7679,
        "design_z": 141.5792,
        "delta_z": 0.8113
      },
      {
        "ch": 40.0,
        "easting": 451539.5898,
        "northing": 6509741.2408,
        "existing_z": 141.0851,
        "design_z": 141.7193,
        "delta_z": 0.6343
      },
      {
        "ch": 43.4733,
        "easting": 451542.0459,
        "northing": 6509738.7849,
        "existing_z": 141.2027,
        "design_z": 141.768,
        "delta_z": 0.5653
      },
      {
        "ch": 50.0,
        "easting": 451546.6611,
        "northing": 6509734.17,
        "existing_z": 141.4112,
        "design_z": 141.8666,
        "delta_z": 0.4554
      },
      {
        "ch": 60.0,
        "easting": 451553.7324,
        "northing": 6509727.0991,
        "existing_z": 141.7268,
        "design_z": 142.0456,
        "delta_z": 0.3188
      },
      {
        "ch": 63.4733,
        "easting": 451556.1885,
        "northing": 6509724.6432,
        "existing_z": 141.841,
        "design_z": 142.1157,
        "delta_z": 0.2747
      },
      {
        "ch": 70.0,
        "easting": 451560.8037,
        "northing": 6509720.0283,
        "existing_z": 142.0464,
        "design_z": 142.2584,
        "delta_z": 0.212
      },
      {
        "ch": 80.0,
        "easting": 451567.8749,
        "northing": 6509712.9574,
        "existing_z": 142.3377,
        "design_z": 142.505,
        "delta_z": 0.1673
      },
      {
        "ch": 83.4733,
        "easting": 451570.331,
        "northing": 6509710.5015,
        "existing_z": 142.432,
        "design_z": 142.5985,
        "delta_z": 0.1665
      },
      {
        "ch": 90.0,
        "easting": 451574.9462,
        "northing": 6509705.8866,
        "existing_z": 142.6186,
        "design_z": 142.7781,
        "delta_z": 0.1595
      },
      {
        "ch": 100.0,
        "easting": 451582.0175,
        "northing": 6509698.8157,
        "existing_z": 142.9087,
        "design_z": 143.0533,
        "delta_z": 0.1446
      },
      {
        "ch": 106.9467,
        "easting": 451586.9297,
        "northing": 6509693.9038,
        "existing_z": 143.1111,
        "design_z": 143.2444,
        "delta_z": 0.1333
      },
      {
        "ch": 110.0,
        "easting": 451589.0888,
        "northing": 6509691.7449,
        "existing_z": 143.2004,
        "design_z": 143.3294,
        "delta_z": 0.129
      },
      {
        "ch": 120.0,
        "easting": 451596.1601,
        "northing": 6509684.674,
        "existing_z": 143.5038,
        "design_z": 143.621,
        "delta_z": 0.1171
      },
      {
        "ch": 126.9467,
        "easting": 451601.0723,
        "northing": 6509679.7621,
        "existing_z": 143.7206,
        "design_z": 143.8355,
        "delta_z": 0.1149
      },
      {
        "ch": 130.0,
        "easting": 451603.2314,
        "northing": 6509677.6032,
        "existing_z": 143.817,
        "design_z": 143.9329,
        "delta_z": 0.1159
      },
      {
        "ch": 140.0,
        "easting": 451610.3026,
        "northing": 6509670.5323,
        "existing_z": 144.1384,
        "design_z": 144.2652,
        "delta_z": 0.1268
      },
      {
        "ch": 146.9467,
        "easting": 451615.2148,
        "northing": 6509665.6204,
        "existing_z": 144.3844,
        "design_z": 144.508,
        "delta_z": 0.1236
      },
      {
        "ch": 150.0,
        "easting": 451617.3739,
        "northing": 6509663.4615,
        "existing_z": 144.4943,
        "design_z": 144.6169,
        "delta_z": 0.1226
      },
      {
        "ch": 160.0,
        "easting": 451624.4452,
        "northing": 6509656.3906,
        "existing_z": 144.8596,
        "design_z": 144.9735,
        "delta_z": 0.1139
      },
      {
        "ch": 170.0,
        "easting": 451631.5165,
        "northing": 6509649.3198,
        "existing_z": 145.2319,
        "design_z": 145.3301,
        "delta_z": 0.0982
      },
      {
        "ch": 170.42,
        "easting": 451631.8135,
        "northing": 6509649.0228,
        "existing_z": 145.2475,
        "design_z": 145.3451,
        "delta_z": 0.0976
      },
      {
        "ch": 180.0,
        "easting": 451638.5878,
        "northing": 6509642.2489,
        "existing_z": 145.6084,
        "design_z": 145.6918,
        "delta_z": 0.0834
      },
      {
        "ch": 190.0,
        "easting": 451645.6591,
        "northing": 6509635.1781,
        "existing_z": 145.996,
        "design_z": 146.0647,
        "delta_z": 0.0687
      },
      {
        "ch": 190.42,
        "easting": 451645.9561,
        "northing": 6509634.8811,
        "existing_z": 146.0125,
        "design_z": 146.0806,
        "delta_z": 0.0681
      },
      {
        "ch": 200.0,
        "easting": 451652.7303,
        "northing": 6509628.1072,
        "existing_z": 146.3882,
        "design_z": 146.4488,
        "delta_z": 0.0605
      },
      {
        "ch": 210.0,
        "easting": 451659.8016,
        "northing": 6509621.0364,
        "existing_z": 146.7849,
        "design_z": 146.844,
        "delta_z": 0.0592
      },
      {
        "ch": 210.42,
        "easting": 451660.0986,
        "northing": 6509620.7394,
        "existing_z": 146.8019,
        "design_z": 146.8609,
        "delta_z": 0.0589
      },
      {
        "ch": 220.0,
        "easting": 451666.8729,
        "northing": 6509613.9655,
        "existing_z": 147.2004,
        "design_z": 147.2453,
        "delta_z": 0.0448
      },
      {
        "ch": 230.0,
        "easting": 451673.9442,
        "northing": 6509606.8947,
        "existing_z": 147.6146,
        "design_z": 147.6466,
        "delta_z": 0.032
      },
      {
        "ch": 240.0,
        "easting": 451681.0155,
        "northing": 6509599.8238,
        "existing_z": 148.0218,
        "design_z": 148.0479,
        "delta_z": 0.0261
      },
      {
        "ch": 250.0,
        "easting": 451688.0868,
        "northing": 6509592.7529,
        "existing_z": 148.4409,
        "design_z": 148.4491,
        "delta_z": 0.0082
      },
      {
        "ch": 253.8934,
        "easting": 451690.8399,
        "northing": 6509590.0,
        "existing_z": 148.6054,
        "design_z": 148.6054,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD049",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 36.056,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 0.06,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451330.0,
          6509670.0
        ],
        "end": [
          451360.0,
          6509690.0
        ],
        "chainage_start": 0,
        "length": 36.05551275463989
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451330.0,
        "northing": 6509670.0,
        "existing_z": 140.0306,
        "design_z": 140.0306,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451338.3205,
        "northing": 6509675.547,
        "existing_z": 140.061,
        "design_z": 140.0362,
        "delta_z": -0.0248
      },
      {
        "ch": 20.0,
        "easting": 451346.641,
        "northing": 6509681.094,
        "existing_z": 140.0657,
        "design_z": 140.0418,
        "delta_z": -0.0238
      },
      {
        "ch": 30.0,
        "easting": 451354.9615,
        "northing": 6509686.641,
        "existing_z": 140.064,
        "design_z": 140.0475,
        "delta_z": -0.0166
      },
      {
        "ch": 36.0555,
        "easting": 451360.0,
        "northing": 6509690.0,
        "existing_z": 140.0509,
        "design_z": 140.0509,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD050",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 31.948,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 0.32,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451266.4705882353,
          6509687.647058823
        ],
        "end": [
          451268.5176470588,
          6509689.011764706
        ],
        "chainage_start": 0,
        "length": 2.460258517706663
      },
      {
        "type": "ARC",
        "centre": [
          451269.7231003275,
          6509687.203584803
        ],
        "radius": 2.1731617849378333,
        "start_angle_rad": 2.158798930379608,
        "sweep_rad": -1.3734007670211337,
        "start": [
          451268.5176470588,
          6509689.011764706
        ],
        "end": [
          451271.25975776225,
          6509688.740242238
        ],
        "chainage_start": 2.460258517706663,
        "length": 2.984622062294636,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451271.2597577623,
          6509688.740242238
        ],
        "end": [
          451290.0,
          6509670.0
        ],
        "chainage_start": 5.444880580001299,
        "length": 26.50270473502877
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451266.4706,
        "northing": 6509687.6471,
        "existing_z": 139.8781,
        "design_z": 139.8781,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451274.4807,
        "northing": 6509685.5193,
        "existing_z": 139.9581,
        "design_z": 139.9102,
        "delta_z": -0.0479
      },
      {
        "ch": 20.0,
        "easting": 451281.5518,
        "northing": 6509678.4482,
        "existing_z": 139.9592,
        "design_z": 139.9424,
        "delta_z": -0.0168
      },
      {
        "ch": 30.0,
        "easting": 451288.6228,
        "northing": 6509671.3772,
        "existing_z": 139.9758,
        "design_z": 139.9745,
        "delta_z": -0.0012
      },
      {
        "ch": 31.9476,
        "easting": 451290.0,
        "northing": 6509670.0,
        "existing_z": 139.9808,
        "design_z": 139.9808,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD051",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 3.479,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.39,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451455.94,
          6509683.47
        ],
        "end": [
          451458.40008067957,
          6509681.010080679
        ],
        "chainage_start": 0,
        "length": 3.4789653652973036
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451455.94,
        "northing": 6509683.47,
        "existing_z": 141.8554,
        "design_z": 141.8554,
        "delta_z": 0.0
      },
      {
        "ch": 3.479,
        "easting": 451458.4001,
        "northing": 6509681.0101,
        "existing_z": 141.9734,
        "design_z": 141.9734,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD052",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 37.848,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 0.05,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451330.0,
          6509670.0
        ],
        "end": [
          451347.030151519,
          6509687.030151519
        ],
        "chainage_start": 0,
        "length": 24.08427124742878
      },
      {
        "type": "ARC",
        "centre": [
          451354.19999999995,
          6509679.860303038
        ],
        "radius": 10.139696961967,
        "start_angle_rad": 2.356194490176108,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451347.030151519,
          6509687.030151519
        ],
        "end": [
          451354.2,
          6509690.0
        ],
        "chainage_start": 24.08427124742878,
        "length": 7.963699371335569,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451354.2000000001,
          6509690.0
        ],
        "end": [
          451360.0,
          6509690.0
        ],
        "chainage_start": 32.04797061876435,
        "length": 5.799999999871943
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451330.0,
        "northing": 6509670.0,
        "existing_z": 140.0306,
        "design_z": 140.0306,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451337.0711,
        "northing": 6509677.0711,
        "existing_z": 140.052,
        "design_z": 140.036,
        "delta_z": -0.0161
      },
      {
        "ch": 20.0,
        "easting": 451344.1421,
        "northing": 6509684.1421,
        "existing_z": 140.0456,
        "design_z": 140.0413,
        "delta_z": -0.0043
      },
      {
        "ch": 30.0,
        "easting": 451352.1659,
        "northing": 6509689.7939,
        "existing_z": 140.0276,
        "design_z": 140.0467,
        "delta_z": 0.0191
      },
      {
        "ch": 37.848,
        "easting": 451360.0,
        "northing": 6509690.0,
        "existing_z": 140.0509,
        "design_z": 140.0509,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD053",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 108.839,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 0.4,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451200.0,
          6509650.0
        ],
        "end": [
          451231.4475036194,
          6509675.158002895
        ],
        "chainage_start": 0,
        "length": 40.272454526307484
      },
      {
        "type": "ARC",
        "centre": [
          451218.1632810755,
          6509691.763281075
        ],
        "radius": 21.26513183665286,
        "start_angle_rad": -0.8960553845730539,
        "sweep_rad": 1.6814535479687922,
        "start": [
          451231.4475036194,
          6509675.158002895
        ],
        "end": [
          451233.2,
          6509706.8
        ],
        "chainage_start": 40.272454526307484,
        "length": 35.756331374764066,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451233.2,
          6509706.8
        ],
        "end": [
          451210.0,
          6509730.0
        ],
        "chainage_start": 76.02878590107156,
        "length": 32.809754647195746
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 54.41927027413365,
        "pvi_z": 139.27043145073395,
        "bvc": 34.41927027413365,
        "evc": 74.41927027413365,
        "length": 40.0,
        "g1": 0.0031005858914023355,
        "g2": 0.00399307968969743,
        "z_bvc": 139.2084197329059,
        "K_m_per_percent": 448.18238598868527
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451200.0,
        "northing": 6509650.0,
        "existing_z": 139.1017,
        "design_z": 139.1017,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451207.8087,
        "northing": 6509656.247,
        "existing_z": 138.8227,
        "design_z": 139.1327,
        "delta_z": 0.31
      },
      {
        "ch": 20.0,
        "easting": 451215.6174,
        "northing": 6509662.4939,
        "existing_z": 138.7271,
        "design_z": 139.1637,
        "delta_z": 0.4366
      },
      {
        "ch": 30.0,
        "easting": 451223.4261,
        "northing": 6509668.7409,
        "existing_z": 138.7474,
        "design_z": 139.1947,
        "delta_z": 0.4473
      },
      {
        "ch": 34.4193,
        "easting": 451226.8769,
        "northing": 6509671.5015,
        "existing_z": 138.8108,
        "design_z": 139.2084,
        "delta_z": 0.3976
      },
      {
        "ch": 40.0,
        "easting": 451231.2348,
        "northing": 6509674.9878,
        "existing_z": 138.9397,
        "design_z": 139.2261,
        "delta_z": 0.2864
      },
      {
        "ch": 50.0,
        "easting": 451237.4155,
        "northing": 6509682.7323,
        "existing_z": 139.1773,
        "design_z": 139.2594,
        "delta_z": 0.0821
      },
      {
        "ch": 54.4193,
        "easting": 451238.8646,
        "northing": 6509686.8988,
        "existing_z": 139.2581,
        "design_z": 139.2749,
        "delta_z": 0.0168
      },
      {
        "ch": 60.0,
        "easting": 451239.4178,
        "northing": 6509692.436,
        "existing_z": 139.3617,
        "design_z": 139.295,
        "delta_z": -0.0666
      },
      {
        "ch": 70.0,
        "easting": 451236.8059,
        "northing": 6509701.9936,
        "existing_z": 139.5181,
        "design_z": 139.3329,
        "delta_z": -0.1853
      },
      {
        "ch": 74.4193,
        "easting": 451234.294,
        "northing": 6509705.6199,
        "existing_z": 139.5399,
        "design_z": 139.3503,
        "delta_z": -0.1896
      },
      {
        "ch": 80.0,
        "easting": 451230.3919,
        "northing": 6509709.6081,
        "existing_z": 139.5365,
        "design_z": 139.3726,
        "delta_z": -0.164
      },
      {
        "ch": 90.0,
        "easting": 451223.3209,
        "northing": 6509716.6791,
        "existing_z": 139.5557,
        "design_z": 139.4125,
        "delta_z": -0.1432
      },
      {
        "ch": 100.0,
        "easting": 451216.2498,
        "northing": 6509723.7502,
        "existing_z": 139.5374,
        "design_z": 139.4524,
        "delta_z": -0.085
      },
      {
        "ch": 108.8385,
        "easting": 451210.0,
        "northing": 6509730.0,
        "existing_z": 139.4877,
        "design_z": 139.4877,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD054",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 101.76,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 2.39,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451360.0,
          6509690.0
        ],
        "end": [
          451444.83543349145,
          6509690.0
        ],
        "chainage_start": 0,
        "length": 84.83543349144747
      },
      {
        "type": "ARC",
        "centre": [
          451444.83543349145,
          6509677.531633492
        ],
        "radius": 12.468366508555398,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -0.7853981634074898,
        "start": [
          451444.83543349145,
          6509690.0
        ],
        "end": [
          451453.65190000006,
          6509686.3481
        ],
        "chainage_start": 84.83543349144747,
        "length": 9.792632156510866,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451453.65190000006,
          6509686.3481
        ],
        "end": [
          451458.6950000001,
          6509681.305
        ],
        "chainage_start": 94.62806564795834,
        "length": 7.13202041670583
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 50.88004303233208,
        "pvi_z": 140.75555742013097,
        "bvc": 30.880043032332082,
        "evc": 70.88004303233208,
        "length": 40.0,
        "g1": 0.01384992180428774,
        "g2": 0.023920647439440324,
        "z_bvc": 140.4785589840452,
        "K_m_per_percent": 39.719084253846766
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451360.0,
        "northing": 6509690.0,
        "existing_z": 140.0509,
        "design_z": 140.0509,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451370.0,
        "northing": 6509690.0,
        "existing_z": 140.0825,
        "design_z": 140.1894,
        "delta_z": 0.1069
      },
      {
        "ch": 20.0,
        "easting": 451380.0,
        "northing": 6509690.0,
        "existing_z": 140.1705,
        "design_z": 140.3279,
        "delta_z": 0.1573
      },
      {
        "ch": 30.0,
        "easting": 451390.0,
        "northing": 6509690.0,
        "existing_z": 140.2586,
        "design_z": 140.4664,
        "delta_z": 0.2078
      },
      {
        "ch": 30.88,
        "easting": 451390.88,
        "northing": 6509690.0,
        "existing_z": 140.2739,
        "design_z": 140.4786,
        "delta_z": 0.2047
      },
      {
        "ch": 40.0,
        "easting": 451400.0,
        "northing": 6509690.0,
        "existing_z": 140.4322,
        "design_z": 140.6153,
        "delta_z": 0.1832
      },
      {
        "ch": 50.0,
        "easting": 451410.0,
        "northing": 6509690.0,
        "existing_z": 140.6057,
        "design_z": 140.7894,
        "delta_z": 0.1837
      },
      {
        "ch": 50.88,
        "easting": 451410.88,
        "northing": 6509690.0,
        "existing_z": 140.6258,
        "design_z": 140.8059,
        "delta_z": 0.1801
      },
      {
        "ch": 60.0,
        "easting": 451420.0,
        "northing": 6509690.0,
        "existing_z": 140.8339,
        "design_z": 140.9886,
        "delta_z": 0.1547
      },
      {
        "ch": 70.0,
        "easting": 451430.0,
        "northing": 6509690.0,
        "existing_z": 141.062,
        "design_z": 141.213,
        "delta_z": 0.151
      },
      {
        "ch": 70.88,
        "easting": 451430.88,
        "northing": 6509690.0,
        "existing_z": 141.0837,
        "design_z": 141.234,
        "delta_z": 0.1502
      },
      {
        "ch": 80.0,
        "easting": 451440.0,
        "northing": 6509690.0,
        "existing_z": 141.3086,
        "design_z": 141.4521,
        "delta_z": 0.1435
      },
      {
        "ch": 90.0,
        "easting": 451449.8536,
        "northing": 6509688.9456,
        "existing_z": 141.5783,
        "design_z": 141.6913,
        "delta_z": 0.113
      },
      {
        "ch": 100.0,
        "easting": 451457.4504,
        "northing": 6509682.5496,
        "existing_z": 141.9129,
        "design_z": 141.9305,
        "delta_z": 0.0176
      },
      {
        "ch": 101.7601,
        "easting": 451458.695,
        "northing": 6509681.305,
        "existing_z": 141.9726,
        "design_z": 141.9726,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD055",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 4.07,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 1.06,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451861.2123076922,
          6509702.467692307
        ],
        "end": [
          451864.09,
          6509699.59
        ],
        "chainage_start": 0,
        "length": 4.069671489714101
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451861.2123,
        "northing": 6509702.4677,
        "existing_z": 144.199,
        "design_z": 144.199,
        "delta_z": 0.0
      },
      {
        "ch": 4.0697,
        "easting": 451864.09,
        "northing": 6509699.59,
        "existing_z": 144.2423,
        "design_z": 144.2423,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD056",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 1.767,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 1.13,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451859.9626666666,
          6509703.717333334
        ],
        "end": [
          451861.2123076922,
          6509702.467692307
        ],
        "chainage_start": 0,
        "length": 1.7672592870555426
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451859.9627,
        "northing": 6509703.7173,
        "existing_z": 144.179,
        "design_z": 144.179,
        "delta_z": 0.0
      },
      {
        "ch": 1.7673,
        "easting": 451861.2123,
        "northing": 6509702.4677,
        "existing_z": 144.199,
        "design_z": 144.199,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD057",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 68.865,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 1.18,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451507.39000000025,
          6509730.0
        ],
        "end": [
          451458.6950000001,
          6509681.305
        ],
        "chainage_start": 0,
        "length": 68.86512942005585
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451507.39,
        "northing": 6509730.0,
        "existing_z": 141.1589,
        "design_z": 141.1589,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451500.3189,
        "northing": 6509722.9289,
        "existing_z": 141.3651,
        "design_z": 141.2771,
        "delta_z": -0.088
      },
      {
        "ch": 20.0,
        "easting": 451493.2479,
        "northing": 6509715.8579,
        "existing_z": 141.557,
        "design_z": 141.3953,
        "delta_z": -0.1618
      },
      {
        "ch": 30.0,
        "easting": 451486.1768,
        "northing": 6509708.7868,
        "existing_z": 141.7126,
        "design_z": 141.5134,
        "delta_z": -0.1992
      },
      {
        "ch": 40.0,
        "easting": 451479.1057,
        "northing": 6509701.7157,
        "existing_z": 141.8185,
        "design_z": 141.6316,
        "delta_z": -0.187
      },
      {
        "ch": 50.0,
        "easting": 451472.0347,
        "northing": 6509694.6447,
        "existing_z": 141.9131,
        "design_z": 141.7497,
        "delta_z": -0.1633
      },
      {
        "ch": 60.0,
        "easting": 451464.9636,
        "northing": 6509687.5736,
        "existing_z": 141.9568,
        "design_z": 141.8679,
        "delta_z": -0.0889
      },
      {
        "ch": 68.8651,
        "easting": 451458.695,
        "northing": 6509681.305,
        "existing_z": 141.9726,
        "design_z": 141.9726,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD058",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 70.588,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 0.55,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451210.0,
          6509730.0
        ],
        "end": [
          451266.4705882353,
          6509687.647058823
        ],
        "chainage_start": 0,
        "length": 70.58823529435321
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451210.0,
        "northing": 6509730.0,
        "existing_z": 139.4877,
        "design_z": 139.4877,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451218.0,
        "northing": 6509724.0,
        "existing_z": 139.6043,
        "design_z": 139.543,
        "delta_z": -0.0612
      },
      {
        "ch": 20.0,
        "easting": 451226.0,
        "northing": 6509718.0,
        "existing_z": 139.6822,
        "design_z": 139.5983,
        "delta_z": -0.0839
      },
      {
        "ch": 30.0,
        "easting": 451234.0,
        "northing": 6509712.0,
        "existing_z": 139.7078,
        "design_z": 139.6536,
        "delta_z": -0.0541
      },
      {
        "ch": 40.0,
        "easting": 451242.0,
        "northing": 6509706.0,
        "existing_z": 139.7422,
        "design_z": 139.7089,
        "delta_z": -0.0333
      },
      {
        "ch": 50.0,
        "easting": 451250.0,
        "northing": 6509700.0,
        "existing_z": 139.8064,
        "design_z": 139.7642,
        "delta_z": -0.0422
      },
      {
        "ch": 60.0,
        "easting": 451258.0,
        "northing": 6509694.0,
        "existing_z": 139.8241,
        "design_z": 139.8195,
        "delta_z": -0.0045
      },
      {
        "ch": 70.0,
        "easting": 451266.0,
        "northing": 6509688.0,
        "existing_z": 139.8717,
        "design_z": 139.8748,
        "delta_z": 0.0031
      },
      {
        "ch": 70.5882,
        "easting": 451266.4706,
        "northing": 6509687.6471,
        "existing_z": 139.8781,
        "design_z": 139.8781,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD059",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 158.384,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 0.74,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451360.0,
          6509690.0
        ],
        "end": [
          451377.4,
          6509701.6
        ],
        "chainage_start": 0,
        "length": 20.912197397503867
      },
      {
        "type": "ARC",
        "centre": [
          451405.143315357,
          6509659.985026964
        ],
        "radius": 50.01497303542313,
        "start_angle_rad": 2.158798930340205,
        "sweep_rad": -0.5880026035475675,
        "start": [
          451377.4,
          6509701.6
        ],
        "end": [
          451405.1433153569,
          6509710.0
        ],
        "chainage_start": 20.912197397503867,
        "length": 29.408934361190187,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451405.1433153571,
          6509709.999999999
        ],
        "end": [
          451418.1206060761,
          6509710.0
        ],
        "chainage_start": 50.32113175869405,
        "length": 12.977290718990844
      },
      {
        "type": "ARC",
        "centre": [
          451418.1206060761,
          6509738.679393924
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          451418.1206060761,
          6509710.0
        ],
        "end": [
          451438.4,
          6509718.4
        ],
        "chainage_start": 63.298422477684895,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451438.4,
          6509718.4
        ],
        "end": [
          451441.6,
          6509721.6
        ],
        "chainage_start": 85.8231657928946,
        "length": 4.525483399034141
      },
      {
        "type": "ARC",
        "centre": [
          451461.8793939239,
          6509701.320606076
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 2.356194490203826,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451441.6,
          6509721.6
        ],
        "end": [
          451461.8793939239,
          6509730.0
        ],
        "chainage_start": 90.34864919192874,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451461.87939392356,
          6509730.0
        ],
        "end": [
          451507.39000000025,
          6509730.0
        ],
        "chainage_start": 112.87339250713845,
        "length": 45.51060607668478
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 79.19199929191161,
        "pvi_z": 140.57006019511286,
        "bvc": 59.191999291911614,
        "evc": 99.19199929191161,
        "length": 40.0,
        "g1": 0.006556058655176697,
        "g2": 0.0074360460277239976,
        "z_bvc": 140.43893902200932,
        "K_m_per_percent": 454.55197708362493
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451360.0,
        "northing": 6509690.0,
        "existing_z": 140.0509,
        "design_z": 140.0509,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451368.3205,
        "northing": 6509695.547,
        "existing_z": 140.0716,
        "design_z": 140.1164,
        "delta_z": 0.0448
      },
      {
        "ch": 20.0,
        "easting": 451376.641,
        "northing": 6509701.094,
        "existing_z": 140.0885,
        "design_z": 140.182,
        "delta_z": 0.0935
      },
      {
        "ch": 30.0,
        "easting": 451385.3767,
        "northing": 6509705.9282,
        "existing_z": 140.0811,
        "design_z": 140.2476,
        "delta_z": 0.1665
      },
      {
        "ch": 40.0,
        "easting": 451394.8953,
        "northing": 6509708.9388,
        "existing_z": 140.0968,
        "design_z": 140.3131,
        "delta_z": 0.2164
      },
      {
        "ch": 50.0,
        "easting": 451404.8222,
        "northing": 6509709.999,
        "existing_z": 140.1579,
        "design_z": 140.3787,
        "delta_z": 0.2208
      },
      {
        "ch": 59.192,
        "easting": 451414.0142,
        "northing": 6509710.0,
        "existing_z": 140.2707,
        "design_z": 140.4389,
        "delta_z": 0.1682
      },
      {
        "ch": 60.0,
        "easting": 451414.8222,
        "northing": 6509710.0,
        "existing_z": 140.2856,
        "design_z": 140.4442,
        "delta_z": 0.1587
      },
      {
        "ch": 70.0,
        "easting": 451424.7614,
        "northing": 6509710.7794,
        "existing_z": 140.4556,
        "design_z": 140.5111,
        "delta_z": 0.0555
      },
      {
        "ch": 79.192,
        "easting": 451433.2131,
        "northing": 6509714.2924,
        "existing_z": 140.5524,
        "design_z": 140.5745,
        "delta_z": 0.022
      },
      {
        "ch": 80.0,
        "easting": 451433.894,
        "northing": 6509714.7272,
        "existing_z": 140.5584,
        "design_z": 140.5801,
        "delta_z": 0.0217
      },
      {
        "ch": 90.0,
        "easting": 451441.3535,
        "northing": 6509721.3535,
        "existing_z": 140.5673,
        "design_z": 140.6514,
        "delta_z": 0.0841
      },
      {
        "ch": 99.192,
        "easting": 451448.711,
        "northing": 6509726.7981,
        "existing_z": 140.5705,
        "design_z": 140.7188,
        "delta_z": 0.1483
      },
      {
        "ch": 100.0,
        "easting": 451449.434,
        "northing": 6509727.1589,
        "existing_z": 140.5739,
        "design_z": 140.7248,
        "delta_z": 0.1509
      },
      {
        "ch": 110.0,
        "easting": 451459.0108,
        "northing": 6509729.8562,
        "existing_z": 140.6696,
        "design_z": 140.7991,
        "delta_z": 0.1295
      },
      {
        "ch": 120.0,
        "easting": 451469.006,
        "northing": 6509730.0,
        "existing_z": 140.8389,
        "design_z": 140.8735,
        "delta_z": 0.0346
      },
      {
        "ch": 130.0,
        "easting": 451479.006,
        "northing": 6509730.0,
        "existing_z": 140.9454,
        "design_z": 140.9479,
        "delta_z": 0.0025
      },
      {
        "ch": 140.0,
        "easting": 451489.006,
        "northing": 6509730.0,
        "existing_z": 141.0445,
        "design_z": 141.0222,
        "delta_z": -0.0222
      },
      {
        "ch": 150.0,
        "easting": 451499.006,
        "northing": 6509730.0,
        "existing_z": 141.1085,
        "design_z": 141.0966,
        "delta_z": -0.0119
      },
      {
        "ch": 158.384,
        "easting": 451507.39,
        "northing": 6509730.0,
        "existing_z": 141.1589,
        "design_z": 141.1589,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD060",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 165.887,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.86,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451646.36,
          6509775.9
        ],
        "end": [
          451763.6553539037,
          6509658.595353903
        ],
        "chainage_start": 0,
        "length": 165.8872509970908
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 55.2957503323636,
        "pvi_z": 142.53049215113225,
        "bvc": 35.2957503323636,
        "evc": 75.29575033236361,
        "length": 40.0,
        "g1": 0.007942998735353292,
        "g2": 0.02466026867772655,
        "z_bvc": 142.37163217642518,
        "K_m_per_percent": 23.927351857023027
      },
      {
        "pvi_ch": 110.5915006647272,
        "pvi_z": 143.89410021106482,
        "bvc": 90.5915006647272,
        "evc": 130.59150066472722,
        "length": 40.0,
        "g1": 0.02466026867772655,
        "g2": 0.03858293644534254,
        "z_bvc": 143.4008948375103,
        "K_m_per_percent": 28.730126056041986
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451646.36,
        "northing": 6509775.9,
        "existing_z": 142.0913,
        "design_z": 142.0913,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451653.4308,
        "northing": 6509768.8287,
        "existing_z": 142.0268,
        "design_z": 142.1707,
        "delta_z": 0.1439
      },
      {
        "ch": 20.0,
        "easting": 451660.5016,
        "northing": 6509761.7573,
        "existing_z": 142.0451,
        "design_z": 142.2501,
        "delta_z": 0.205
      },
      {
        "ch": 30.0,
        "easting": 451667.5724,
        "northing": 6509754.686,
        "existing_z": 142.0618,
        "design_z": 142.3296,
        "delta_z": 0.2677
      },
      {
        "ch": 35.2958,
        "easting": 451671.3169,
        "northing": 6509750.9411,
        "existing_z": 142.0698,
        "design_z": 142.3716,
        "delta_z": 0.3018
      },
      {
        "ch": 40.0,
        "easting": 451674.6432,
        "northing": 6509747.6146,
        "existing_z": 142.1161,
        "design_z": 142.4136,
        "delta_z": 0.2976
      },
      {
        "ch": 50.0,
        "easting": 451681.7139,
        "northing": 6509740.5433,
        "existing_z": 142.2507,
        "design_z": 142.5336,
        "delta_z": 0.2829
      },
      {
        "ch": 55.2958,
        "easting": 451685.4585,
        "northing": 6509736.7985,
        "existing_z": 142.3235,
        "design_z": 142.6141,
        "delta_z": 0.2906
      },
      {
        "ch": 60.0,
        "easting": 451688.7847,
        "northing": 6509733.4719,
        "existing_z": 142.3891,
        "design_z": 142.6954,
        "delta_z": 0.3063
      },
      {
        "ch": 70.0,
        "easting": 451695.8555,
        "northing": 6509726.4006,
        "existing_z": 142.6,
        "design_z": 142.899,
        "delta_z": 0.2989
      },
      {
        "ch": 75.2958,
        "easting": 451699.6,
        "northing": 6509722.6558,
        "existing_z": 142.742,
        "design_z": 143.0237,
        "delta_z": 0.2817
      },
      {
        "ch": 80.0,
        "easting": 451702.9263,
        "northing": 6509719.3292,
        "existing_z": 142.8665,
        "design_z": 143.1397,
        "delta_z": 0.2733
      },
      {
        "ch": 90.0,
        "easting": 451709.9971,
        "northing": 6509712.2579,
        "existing_z": 143.1258,
        "design_z": 143.3863,
        "delta_z": 0.2605
      },
      {
        "ch": 90.5915,
        "easting": 451710.4153,
        "northing": 6509711.8396,
        "existing_z": 143.142,
        "design_z": 143.4009,
        "delta_z": 0.2589
      },
      {
        "ch": 100.0,
        "easting": 451717.0679,
        "northing": 6509705.1865,
        "existing_z": 143.4265,
        "design_z": 143.6483,
        "delta_z": 0.2218
      },
      {
        "ch": 110.0,
        "easting": 451724.1387,
        "northing": 6509698.1152,
        "existing_z": 143.7345,
        "design_z": 143.9451,
        "delta_z": 0.2106
      },
      {
        "ch": 110.5915,
        "easting": 451724.5569,
        "northing": 6509697.6969,
        "existing_z": 143.7525,
        "design_z": 143.9637,
        "delta_z": 0.2112
      },
      {
        "ch": 120.0,
        "easting": 451731.2095,
        "northing": 6509691.0438,
        "existing_z": 144.0378,
        "design_z": 144.2766,
        "delta_z": 0.2388
      },
      {
        "ch": 130.0,
        "easting": 451738.2802,
        "northing": 6509683.9725,
        "existing_z": 144.4331,
        "design_z": 144.643,
        "delta_z": 0.2099
      },
      {
        "ch": 130.5915,
        "easting": 451738.6985,
        "northing": 6509683.5542,
        "existing_z": 144.4576,
        "design_z": 144.6658,
        "delta_z": 0.2081
      },
      {
        "ch": 140.0,
        "easting": 451745.351,
        "northing": 6509676.9011,
        "existing_z": 144.8539,
        "design_z": 145.0288,
        "delta_z": 0.1748
      },
      {
        "ch": 150.0,
        "easting": 451752.4218,
        "northing": 6509669.8298,
        "existing_z": 145.2846,
        "design_z": 145.4146,
        "delta_z": 0.13
      },
      {
        "ch": 160.0,
        "easting": 451759.4926,
        "northing": 6509662.7584,
        "existing_z": 145.7492,
        "design_z": 145.8004,
        "delta_z": 0.0512
      },
      {
        "ch": 165.8873,
        "easting": 451763.6554,
        "northing": 6509658.5954,
        "existing_z": 146.0276,
        "design_z": 146.0276,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD061",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 157.769,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.54,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451739.42,
          6509682.84
        ],
        "end": [
          451789.2002800001,
          6509732.62028
        ],
        "chainage_start": 0,
        "length": 70.39994711519182
      },
      {
        "type": "ARC",
        "centre": [
          451810.13000000006,
          6509711.69056
        ],
        "radius": 29.599093880641746,
        "start_angle_rad": 2.3561944901826113,
        "sweep_rad": -1.5707963267909808,
        "start": [
          451789.2002800001,
          6509732.62028
        ],
        "end": [
          451831.05971999996,
          6509732.62028
        ],
        "chainage_start": 70.39994711519182,
        "length": 46.49414794405345,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451831.05972000014,
          6509732.620279999
        ],
        "end": [
          451859.9626666666,
          6509703.717333334
        ],
        "chainage_start": 116.89409505924527,
        "length": 40.87493916784965
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 78.88451711354746,
        "pvi_z": 144.07316623526916,
        "bvc": 58.88451711354746,
        "evc": 98.88451711354746,
        "length": 40.0,
        "g1": -0.0054068066303378974,
        "g2": 0.0013422202412396531,
        "z_bvc": 144.1813023678759,
        "K_m_per_percent": 59.26780373101435
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451739.42,
        "northing": 6509682.84,
        "existing_z": 144.4997,
        "design_z": 144.4997,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451746.4911,
        "northing": 6509689.9111,
        "existing_z": 144.1551,
        "design_z": 144.4456,
        "delta_z": 0.2906
      },
      {
        "ch": 20.0,
        "easting": 451753.5621,
        "northing": 6509696.9821,
        "existing_z": 143.9506,
        "design_z": 144.3915,
        "delta_z": 0.4409
      },
      {
        "ch": 30.0,
        "easting": 451760.6332,
        "northing": 6509704.0532,
        "existing_z": 143.789,
        "design_z": 144.3375,
        "delta_z": 0.5484
      },
      {
        "ch": 40.0,
        "easting": 451767.7043,
        "northing": 6509711.1243,
        "existing_z": 143.6861,
        "design_z": 144.2834,
        "delta_z": 0.5973
      },
      {
        "ch": 50.0,
        "easting": 451774.7753,
        "northing": 6509718.1953,
        "existing_z": 143.7237,
        "design_z": 144.2293,
        "delta_z": 0.5056
      },
      {
        "ch": 58.8845,
        "easting": 451781.0576,
        "northing": 6509724.4776,
        "existing_z": 143.7808,
        "design_z": 144.1813,
        "delta_z": 0.4005
      },
      {
        "ch": 60.0,
        "easting": 451781.8464,
        "northing": 6509725.2664,
        "existing_z": 143.7898,
        "design_z": 144.1754,
        "delta_z": 0.3856
      },
      {
        "ch": 70.0,
        "easting": 451788.9175,
        "northing": 6509732.3375,
        "existing_z": 143.8931,
        "design_z": 144.1316,
        "delta_z": 0.2385
      },
      {
        "ch": 78.8845,
        "easting": 451795.972,
        "northing": 6509737.6839,
        "existing_z": 143.9384,
        "design_z": 144.1069,
        "delta_z": 0.1686
      },
      {
        "ch": 80.0,
        "easting": 451796.9614,
        "northing": 6509738.1989,
        "existing_z": 143.9429,
        "design_z": 144.1047,
        "delta_z": 0.1619
      },
      {
        "ch": 90.0,
        "easting": 451806.4922,
        "northing": 6509741.0653,
        "existing_z": 143.9886,
        "design_z": 144.0947,
        "delta_z": 0.1062
      },
      {
        "ch": 98.8845,
        "easting": 451815.3402,
        "northing": 6509740.8275,
        "existing_z": 144.0185,
        "design_z": 144.1,
        "delta_z": 0.0815
      },
      {
        "ch": 100.0,
        "easting": 451816.4343,
        "northing": 6509740.6105,
        "existing_z": 144.0208,
        "design_z": 144.1015,
        "delta_z": 0.0807
      },
      {
        "ch": 110.0,
        "easting": 451825.6637,
        "northing": 6509736.886,
        "existing_z": 144.0313,
        "design_z": 144.1149,
        "delta_z": 0.0836
      },
      {
        "ch": 120.0,
        "easting": 451833.2559,
        "northing": 6509730.4241,
        "existing_z": 144.03,
        "design_z": 144.1284,
        "delta_z": 0.0983
      },
      {
        "ch": 130.0,
        "easting": 451840.327,
        "northing": 6509723.353,
        "existing_z": 144.0505,
        "design_z": 144.1418,
        "delta_z": 0.0913
      },
      {
        "ch": 140.0,
        "easting": 451847.3981,
        "northing": 6509716.2819,
        "existing_z": 144.0554,
        "design_z": 144.1552,
        "delta_z": 0.0998
      },
      {
        "ch": 150.0,
        "easting": 451854.4691,
        "northing": 6509709.2109,
        "existing_z": 144.0826,
        "design_z": 144.1686,
        "delta_z": 0.086
      },
      {
        "ch": 157.769,
        "easting": 451859.9627,
        "northing": 6509703.7173,
        "existing_z": 144.179,
        "design_z": 144.179,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD062",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 33.333,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 1.78,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451183.3333333333,
          6509750.0
        ],
        "end": [
          451210.0,
          6509730.0
        ],
        "chainage_start": 0,
        "length": 33.333333333348854
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451183.3333,
        "northing": 6509750.0,
        "existing_z": 138.8947,
        "design_z": 138.8947,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451191.3333,
        "northing": 6509744.0,
        "existing_z": 139.0864,
        "design_z": 139.0726,
        "delta_z": -0.0138
      },
      {
        "ch": 20.0,
        "easting": 451199.3333,
        "northing": 6509738.0,
        "existing_z": 139.2847,
        "design_z": 139.2505,
        "delta_z": -0.0341
      },
      {
        "ch": 30.0,
        "easting": 451207.3333,
        "northing": 6509732.0,
        "existing_z": 139.4435,
        "design_z": 139.4284,
        "delta_z": -0.0151
      },
      {
        "ch": 33.3333,
        "easting": 451210.0,
        "northing": 6509730.0,
        "existing_z": 139.4877,
        "design_z": 139.4877,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD063",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 34.66,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 1.71,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451210.0,
          6509730.0
        ],
        "end": [
          451191.97989898734,
          6509748.020101013
        ],
        "chainage_start": 0,
        "length": 25.48427124743982
      },
      {
        "type": "ARC",
        "centre": [
          451187.2,
          6509743.2402020255
        ],
        "radius": 6.759797974664338,
        "start_angle_rad": 0.7853981633791819,
        "sweep_rad": 0.7853981633974484,
        "start": [
          451191.97989898734,
          6509748.020101013
        ],
        "end": [
          451187.2,
          6509750.0
        ],
        "chainage_start": 25.48427124743982,
        "length": 5.309132914239163,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451187.2000000001,
          6509750.0
        ],
        "end": [
          451183.3333333333,
          6509750.0
        ],
        "chainage_start": 30.793404161678986,
        "length": 3.866666666814126
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451210.0,
        "northing": 6509730.0,
        "existing_z": 139.4877,
        "design_z": 139.4877,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451202.9289,
        "northing": 6509737.0711,
        "existing_z": 139.4044,
        "design_z": 139.3166,
        "delta_z": -0.0877
      },
      {
        "ch": 20.0,
        "easting": 451195.8579,
        "northing": 6509744.1421,
        "existing_z": 139.28,
        "design_z": 139.1456,
        "delta_z": -0.1344
      },
      {
        "ch": 30.0,
        "easting": 451187.9916,
        "northing": 6509749.9535,
        "existing_z": 139.0693,
        "design_z": 138.9745,
        "delta_z": -0.0949
      },
      {
        "ch": 34.6601,
        "easting": 451183.3333,
        "northing": 6509750.0,
        "existing_z": 138.8947,
        "design_z": 138.8947,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD064",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 495.2,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 2.05,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450577.63,
          6509633.51
        ],
        "end": [
          450899.12833643524,
          6509819.121454692
        ],
        "chainage_start": 0,
        "length": 371.2314540064647
      },
      {
        "type": "ARC",
        "centre": [
          450920.1274275222,
          6509782.74884578
        ],
        "radius": 41.999148866757544,
        "start_angle_rad": 2.0943818135907644,
        "sweep_rad": -1.570770335825818,
        "start": [
          450899.12833643524,
          6509819.121454692
        ],
        "end": [
          450956.499490635,
          6509803.74888222
        ],
        "chainage_start": 371.2314540064647,
        "length": 65.97101716983528,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450956.4994906351,
          6509803.748882219
        ],
        "end": [
          450985.4987872262,
          6509753.522100524
        ],
        "chainage_start": 437.2024711762999,
        "length": 57.99731719856044
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.74282691069433,
        "pvi_z": 147.66254375151487,
        "bvc": 50.74282691069433,
        "evc": 90.74282691069433,
        "length": 40.0,
        "g1": -0.01601084987907127,
        "g2": 0.0028790663353981966,
        "z_bvc": 147.9827607490963,
        "K_m_per_percent": 21.175318908699257
      },
      {
        "pvi_ch": 141.48565382138867,
        "pvi_z": 147.86621704294436,
        "bvc": 121.48565382138867,
        "evc": 161.48565382138867,
        "length": 40.0,
        "g1": 0.0028790663353981966,
        "g2": 0.00934419648904549,
        "z_bvc": 147.80863571623638,
        "K_m_per_percent": 61.870370819115
      },
      {
        "pvi_ch": 212.228480732083,
        "pvi_z": 148.52725191778842,
        "bvc": 192.228480732083,
        "evc": 232.228480732083,
        "length": 40.0,
        "g1": 0.00934419648904549,
        "g2": -0.0024979939829141828,
        "z_bvc": 148.3403679880075,
        "K_m_per_percent": 33.77753473456901
      },
      {
        "pvi_ch": 282.97130764277733,
        "pvi_z": 148.35053676183117,
        "bvc": 262.97130764277733,
        "evc": 302.97130764277733,
        "length": 40.0,
        "g1": -0.0024979939829141828,
        "g2": -0.020486535639147763,
        "z_bvc": 148.40049664148944,
        "K_m_per_percent": 22.23637733642448
      },
      {
        "pvi_ch": 353.7141345534717,
        "pvi_z": 146.90126131711116,
        "bvc": 333.7141345534717,
        "evc": 373.7141345534717,
        "length": 40.0,
        "g1": -0.020486535639147763,
        "g2": -0.01841934849200926,
        "z_bvc": 147.31099202989412,
        "K_m_per_percent": 193.49965510074807
      },
      {
        "pvi_ch": 424.456961464166,
        "pvi_z": 145.5982245349332,
        "bvc": 404.456961464166,
        "evc": 444.456961464166,
        "length": 40.0,
        "g1": -0.01841934849200926,
        "g2": 0.007226983977268157,
        "z_bvc": 145.96661150477337,
        "K_m_per_percent": 15.59677199378013
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450577.63,
        "northing": 6509633.51,
        "existing_z": 148.7952,
        "design_z": 148.7952,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450586.2903,
        "northing": 6509638.5099,
        "existing_z": 148.4722,
        "design_z": 148.6351,
        "delta_z": 0.1629
      },
      {
        "ch": 20.0,
        "easting": 450594.9506,
        "northing": 6509643.5098,
        "existing_z": 148.1881,
        "design_z": 148.475,
        "delta_z": 0.2869
      },
      {
        "ch": 30.0,
        "easting": 450603.611,
        "northing": 6509648.5097,
        "existing_z": 147.9451,
        "design_z": 148.3149,
        "delta_z": 0.3698
      },
      {
        "ch": 40.0,
        "easting": 450612.2713,
        "northing": 6509653.5095,
        "existing_z": 147.7275,
        "design_z": 148.1548,
        "delta_z": 0.4273
      },
      {
        "ch": 50.0,
        "easting": 450620.9316,
        "northing": 6509658.5094,
        "existing_z": 147.5642,
        "design_z": 147.9947,
        "delta_z": 0.4304
      },
      {
        "ch": 50.7428,
        "easting": 450621.5749,
        "northing": 6509658.8808,
        "existing_z": 147.5531,
        "design_z": 147.9828,
        "delta_z": 0.4296
      },
      {
        "ch": 60.0,
        "easting": 450629.5919,
        "northing": 6509663.5093,
        "existing_z": 147.4273,
        "design_z": 147.8548,
        "delta_z": 0.4275
      },
      {
        "ch": 70.0,
        "easting": 450638.2522,
        "northing": 6509668.5092,
        "existing_z": 147.3464,
        "design_z": 147.762,
        "delta_z": 0.4156
      },
      {
        "ch": 70.7428,
        "easting": 450638.8956,
        "northing": 6509668.8806,
        "existing_z": 147.3415,
        "design_z": 147.757,
        "delta_z": 0.4155
      },
      {
        "ch": 80.0,
        "easting": 450646.9126,
        "northing": 6509673.5091,
        "existing_z": 147.286,
        "design_z": 147.7164,
        "delta_z": 0.4304
      },
      {
        "ch": 90.0,
        "easting": 450655.5729,
        "northing": 6509678.509,
        "existing_z": 147.2795,
        "design_z": 147.7181,
        "delta_z": 0.4386
      },
      {
        "ch": 90.7428,
        "easting": 450656.2162,
        "northing": 6509678.8804,
        "existing_z": 147.2812,
        "design_z": 147.7201,
        "delta_z": 0.4389
      },
      {
        "ch": 100.0,
        "easting": 450664.2332,
        "northing": 6509683.5088,
        "existing_z": 147.3134,
        "design_z": 147.7468,
        "delta_z": 0.4334
      },
      {
        "ch": 110.0,
        "easting": 450672.8935,
        "northing": 6509688.5087,
        "existing_z": 147.3837,
        "design_z": 147.7756,
        "delta_z": 0.3918
      },
      {
        "ch": 120.0,
        "easting": 450681.5538,
        "northing": 6509693.5086,
        "existing_z": 147.4952,
        "design_z": 147.8044,
        "delta_z": 0.3092
      },
      {
        "ch": 121.4857,
        "easting": 450682.8405,
        "northing": 6509694.2514,
        "existing_z": 147.513,
        "design_z": 147.8086,
        "delta_z": 0.2957
      },
      {
        "ch": 130.0,
        "easting": 450690.2142,
        "northing": 6509698.5085,
        "existing_z": 147.6212,
        "design_z": 147.839,
        "delta_z": 0.2179
      },
      {
        "ch": 140.0,
        "easting": 450698.8745,
        "northing": 6509703.5084,
        "existing_z": 147.7626,
        "design_z": 147.8896,
        "delta_z": 0.127
      },
      {
        "ch": 141.4857,
        "easting": 450700.1611,
        "northing": 6509704.2512,
        "existing_z": 147.7837,
        "design_z": 147.8985,
        "delta_z": 0.1149
      },
      {
        "ch": 150.0,
        "easting": 450707.5348,
        "northing": 6509708.5083,
        "existing_z": 147.9046,
        "design_z": 147.9564,
        "delta_z": 0.0519
      },
      {
        "ch": 160.0,
        "easting": 450716.1951,
        "northing": 6509713.5082,
        "existing_z": 148.0505,
        "design_z": 148.0394,
        "delta_z": -0.0111
      },
      {
        "ch": 161.4857,
        "easting": 450717.4818,
        "northing": 6509714.251,
        "existing_z": 148.0722,
        "design_z": 148.0531,
        "delta_z": -0.0191
      },
      {
        "ch": 170.0,
        "easting": 450724.8554,
        "northing": 6509718.508,
        "existing_z": 148.1949,
        "design_z": 148.1327,
        "delta_z": -0.0623
      },
      {
        "ch": 180.0,
        "easting": 450733.5158,
        "northing": 6509723.5079,
        "existing_z": 148.3302,
        "design_z": 148.2261,
        "delta_z": -0.1041
      },
      {
        "ch": 190.0,
        "easting": 450742.1761,
        "northing": 6509728.5078,
        "existing_z": 148.4514,
        "design_z": 148.3195,
        "delta_z": -0.1319
      },
      {
        "ch": 192.2285,
        "easting": 450744.106,
        "northing": 6509729.622,
        "existing_z": 148.4776,
        "design_z": 148.3404,
        "delta_z": -0.1372
      },
      {
        "ch": 200.0,
        "easting": 450750.8364,
        "northing": 6509733.5077,
        "existing_z": 148.5758,
        "design_z": 148.404,
        "delta_z": -0.1717
      },
      {
        "ch": 210.0,
        "easting": 450759.4967,
        "northing": 6509738.5076,
        "existing_z": 148.6752,
        "design_z": 148.4597,
        "delta_z": -0.2155
      },
      {
        "ch": 212.2285,
        "easting": 450761.4267,
        "northing": 6509739.6218,
        "existing_z": 148.6955,
        "design_z": 148.468,
        "delta_z": -0.2275
      },
      {
        "ch": 220.0,
        "easting": 450768.1571,
        "northing": 6509743.5075,
        "existing_z": 148.7612,
        "design_z": 148.4857,
        "delta_z": -0.2755
      },
      {
        "ch": 230.0,
        "easting": 450776.8174,
        "northing": 6509748.5074,
        "existing_z": 148.7988,
        "design_z": 148.4821,
        "delta_z": -0.3167
      },
      {
        "ch": 232.2285,
        "easting": 450778.7473,
        "northing": 6509749.6216,
        "existing_z": 148.8039,
        "design_z": 148.4773,
        "delta_z": -0.3266
      },
      {
        "ch": 240.0,
        "easting": 450785.4777,
        "northing": 6509753.5072,
        "existing_z": 148.8293,
        "design_z": 148.4579,
        "delta_z": -0.3714
      },
      {
        "ch": 250.0,
        "easting": 450794.138,
        "northing": 6509758.5071,
        "existing_z": 148.8277,
        "design_z": 148.4329,
        "delta_z": -0.3948
      },
      {
        "ch": 260.0,
        "easting": 450802.7983,
        "northing": 6509763.507,
        "existing_z": 148.793,
        "design_z": 148.4079,
        "delta_z": -0.385
      },
      {
        "ch": 262.9713,
        "easting": 450805.3716,
        "northing": 6509764.9926,
        "existing_z": 148.7829,
        "design_z": 148.4005,
        "delta_z": -0.3824
      },
      {
        "ch": 270.0,
        "easting": 450811.4587,
        "northing": 6509768.5069,
        "existing_z": 148.7487,
        "design_z": 148.3718,
        "delta_z": -0.3769
      },
      {
        "ch": 280.0,
        "easting": 450820.119,
        "northing": 6509773.5068,
        "existing_z": 148.6634,
        "design_z": 148.2928,
        "delta_z": -0.3706
      },
      {
        "ch": 282.9713,
        "easting": 450822.6922,
        "northing": 6509774.9924,
        "existing_z": 148.6395,
        "design_z": 148.2606,
        "delta_z": -0.3789
      },
      {
        "ch": 290.0,
        "easting": 450828.7793,
        "northing": 6509778.5067,
        "existing_z": 148.5837,
        "design_z": 148.1687,
        "delta_z": -0.415
      },
      {
        "ch": 300.0,
        "easting": 450837.4396,
        "northing": 6509783.5065,
        "existing_z": 148.4427,
        "design_z": 147.9997,
        "delta_z": -0.443
      },
      {
        "ch": 302.9713,
        "easting": 450840.0129,
        "northing": 6509784.9922,
        "existing_z": 148.3978,
        "design_z": 147.9408,
        "delta_z": -0.457
      },
      {
        "ch": 310.0,
        "easting": 450846.0999,
        "northing": 6509788.5064,
        "existing_z": 148.292,
        "design_z": 147.7968,
        "delta_z": -0.4952
      },
      {
        "ch": 320.0,
        "easting": 450854.7603,
        "northing": 6509793.5063,
        "existing_z": 148.058,
        "design_z": 147.5919,
        "delta_z": -0.4661
      },
      {
        "ch": 330.0,
        "easting": 450863.4206,
        "northing": 6509798.5062,
        "existing_z": 147.7606,
        "design_z": 147.3871,
        "delta_z": -0.3735
      },
      {
        "ch": 333.7141,
        "easting": 450866.6371,
        "northing": 6509800.3632,
        "existing_z": 147.65,
        "design_z": 147.311,
        "delta_z": -0.339
      },
      {
        "ch": 340.0,
        "easting": 450872.0809,
        "northing": 6509803.5061,
        "existing_z": 147.4395,
        "design_z": 147.1832,
        "delta_z": -0.2563
      },
      {
        "ch": 350.0,
        "easting": 450880.7412,
        "northing": 6509808.506,
        "existing_z": 147.0495,
        "design_z": 146.9842,
        "delta_z": -0.0653
      },
      {
        "ch": 353.7141,
        "easting": 450883.9578,
        "northing": 6509810.363,
        "existing_z": 146.9053,
        "design_z": 146.9116,
        "delta_z": 0.0062
      },
      {
        "ch": 360.0,
        "easting": 450889.4015,
        "northing": 6509813.5059,
        "existing_z": 146.6582,
        "design_z": 146.7903,
        "delta_z": 0.1322
      },
      {
        "ch": 370.0,
        "easting": 450898.0619,
        "northing": 6509818.5057,
        "existing_z": 146.2356,
        "design_z": 146.6016,
        "delta_z": 0.366
      },
      {
        "ch": 373.7141,
        "easting": 450901.3138,
        "northing": 6509820.2985,
        "existing_z": 146.0836,
        "design_z": 146.5329,
        "delta_z": 0.4493
      },
      {
        "ch": 380.0,
        "easting": 450907.1231,
        "northing": 6509822.684,
        "existing_z": 145.8537,
        "design_z": 146.4171,
        "delta_z": 0.5634
      },
      {
        "ch": 390.0,
        "easting": 450916.909,
        "northing": 6509824.6245,
        "existing_z": 145.5477,
        "design_z": 146.2329,
        "delta_z": 0.6852
      },
      {
        "ch": 400.0,
        "easting": 450926.8764,
        "northing": 6509824.2022,
        "existing_z": 145.3337,
        "design_z": 146.0487,
        "delta_z": 0.715
      },
      {
        "ch": 404.457,
        "easting": 450931.2293,
        "northing": 6509823.2541,
        "existing_z": 145.2645,
        "design_z": 145.9666,
        "delta_z": 0.7021
      },
      {
        "ch": 410.0,
        "easting": 450936.4631,
        "northing": 6509821.4409,
        "existing_z": 145.1883,
        "design_z": 145.8744,
        "delta_z": 0.6861
      },
      {
        "ch": 420.0,
        "easting": 450945.128,
        "northing": 6509816.4964,
        "existing_z": 145.1272,
        "design_z": 145.7578,
        "delta_z": 0.6305
      },
      {
        "ch": 424.457,
        "easting": 450948.5619,
        "northing": 6509813.6585,
        "existing_z": 145.1311,
        "design_z": 145.7265,
        "delta_z": 0.5954
      },
      {
        "ch": 430.0,
        "easting": 450952.3823,
        "northing": 6509809.6478,
        "existing_z": 145.1511,
        "design_z": 145.7053,
        "delta_z": 0.5541
      },
      {
        "ch": 440.0,
        "easting": 450957.8983,
        "northing": 6509801.3262,
        "existing_z": 145.2643,
        "design_z": 145.7169,
        "delta_z": 0.4526
      },
      {
        "ch": 444.457,
        "easting": 450960.1268,
        "northing": 6509797.4664,
        "existing_z": 145.3267,
        "design_z": 145.7428,
        "delta_z": 0.4161
      },
      {
        "ch": 450.0,
        "easting": 450962.8984,
        "northing": 6509792.666,
        "existing_z": 145.4027,
        "design_z": 145.7828,
        "delta_z": 0.3801
      },
      {
        "ch": 460.0,
        "easting": 450967.8985,
        "northing": 6509784.0058,
        "existing_z": 145.5555,
        "design_z": 145.8551,
        "delta_z": 0.2996
      },
      {
        "ch": 470.0,
        "easting": 450972.8986,
        "northing": 6509775.3456,
        "existing_z": 145.7057,
        "design_z": 145.9274,
        "delta_z": 0.2216
      },
      {
        "ch": 480.0,
        "easting": 450977.8987,
        "northing": 6509766.6854,
        "existing_z": 145.8591,
        "design_z": 145.9996,
        "delta_z": 0.1406
      },
      {
        "ch": 490.0,
        "easting": 450982.8988,
        "northing": 6509758.0252,
        "existing_z": 146.0241,
        "design_z": 146.0719,
        "delta_z": 0.0478
      },
      {
        "ch": 495.1998,
        "easting": 450985.4988,
        "northing": 6509753.5221,
        "existing_z": 146.1095,
        "design_z": 146.1095,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD065",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 3.934,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.77,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451183.3333333333,
          6509750.0
        ],
        "end": [
          451179.399473928,
          6509750.0
        ],
        "chainage_start": 0,
        "length": 3.933859405340627
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451183.3333,
        "northing": 6509750.0,
        "existing_z": 138.8947,
        "design_z": 138.8947,
        "delta_z": 0.0
      },
      {
        "ch": 3.9339,
        "easting": 451179.3995,
        "northing": 6509750.0,
        "existing_z": 138.7466,
        "design_z": 138.7466,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD066",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 2.567,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.81,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451179.399473928,
          6509750.0
        ],
        "end": [
          451181.62223087123,
          6509751.283326847
        ],
        "chainage_start": 0,
        "length": 2.5666274026182623
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451179.3995,
        "northing": 6509750.0,
        "existing_z": 138.7466,
        "design_z": 138.7466,
        "delta_z": 0.0
      },
      {
        "ch": 2.5666,
        "easting": 451181.6222,
        "northing": 6509751.2833,
        "existing_z": 138.8444,
        "design_z": 138.8444,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD067",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 2.139,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 2.35,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451181.62223087123,
          6509751.283326847
        ],
        "end": [
          451183.3333333333,
          6509750.0
        ],
        "chainage_start": 0,
        "length": 2.1388780775945633
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451181.6222,
        "northing": 6509751.2833,
        "existing_z": 138.8444,
        "design_z": 138.8444,
        "delta_z": 0.0
      },
      {
        "ch": 2.1389,
        "easting": 451183.3333,
        "northing": 6509750.0,
        "existing_z": 138.8947,
        "design_z": 138.8947,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD068",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 3.773,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.92,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451181.62223087123,
          6509751.283326847
        ],
        "end": [
          451184.89,
          6509753.17
        ],
        "chainage_start": 0,
        "length": 3.7733076559833587
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451181.6222,
        "northing": 6509751.2833,
        "existing_z": 138.8444,
        "design_z": 138.8444,
        "delta_z": 0.0
      },
      {
        "ch": 3.7733,
        "easting": 451184.89,
        "northing": 6509753.17,
        "existing_z": 138.9923,
        "design_z": 138.9923,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD069",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 65.558,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 0.93,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451179.399473928,
          6509750.0
        ],
        "end": [
          451173.94777904975,
          6509750.0
        ],
        "chainage_start": 0,
        "length": 5.45169487822568
      },
      {
        "type": "ARC",
        "centre": [
          451173.94777904975,
          6509759.530781724
        ],
        "radius": 9.530781723155892,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451173.94777904975,
          6509750.0
        ],
        "end": [
          451167.20849866327,
          6509752.791501337
        ],
        "chainage_start": 5.45169487822568,
        "length": 7.485458461108606,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451167.20849866327,
          6509752.791501337
        ],
        "end": [
          451130.0,
          6509790.0
        ],
        "chainage_start": 12.937153339334287,
        "length": 52.62076344513618
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451179.3995,
        "northing": 6509750.0,
        "existing_z": 138.7466,
        "design_z": 138.7466,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451169.5702,
        "northing": 6509751.0648,
        "existing_z": 138.3943,
        "design_z": 138.6531,
        "delta_z": 0.2589
      },
      {
        "ch": 20.0,
        "easting": 451162.2143,
        "northing": 6509757.7857,
        "existing_z": 138.3272,
        "design_z": 138.5597,
        "delta_z": 0.2325
      },
      {
        "ch": 30.0,
        "easting": 451155.1432,
        "northing": 6509764.8568,
        "existing_z": 138.2222,
        "design_z": 138.4663,
        "delta_z": 0.2441
      },
      {
        "ch": 40.0,
        "easting": 451148.0722,
        "northing": 6509771.9278,
        "existing_z": 138.1369,
        "design_z": 138.3728,
        "delta_z": 0.2359
      },
      {
        "ch": 50.0,
        "easting": 451141.0011,
        "northing": 6509778.9989,
        "existing_z": 138.1735,
        "design_z": 138.2794,
        "delta_z": 0.1059
      },
      {
        "ch": 60.0,
        "easting": 451133.93,
        "northing": 6509786.07,
        "existing_z": 138.1616,
        "design_z": 138.186,
        "delta_z": 0.0244
      },
      {
        "ch": 65.5579,
        "easting": 451130.0,
        "northing": 6509790.0,
        "existing_z": 138.134,
        "design_z": 138.134,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD070",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 64.528,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 1.1,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451130.0,
          6509790.0
        ],
        "end": [
          451181.62223087123,
          6509751.283326847
        ],
        "chainage_start": 0,
        "length": 64.52778858905658
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451130.0,
        "northing": 6509790.0,
        "existing_z": 138.134,
        "design_z": 138.134,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451138.0,
        "northing": 6509784.0,
        "existing_z": 138.1597,
        "design_z": 138.2441,
        "delta_z": 0.0844
      },
      {
        "ch": 20.0,
        "easting": 451146.0,
        "northing": 6509778.0,
        "existing_z": 138.1389,
        "design_z": 138.3542,
        "delta_z": 0.2153
      },
      {
        "ch": 30.0,
        "easting": 451154.0,
        "northing": 6509772.0,
        "existing_z": 138.1971,
        "design_z": 138.4643,
        "delta_z": 0.2672
      },
      {
        "ch": 40.0,
        "easting": 451162.0,
        "northing": 6509766.0,
        "existing_z": 138.3481,
        "design_z": 138.5744,
        "delta_z": 0.2262
      },
      {
        "ch": 50.0,
        "easting": 451170.0,
        "northing": 6509760.0,
        "existing_z": 138.4567,
        "design_z": 138.6845,
        "delta_z": 0.2278
      },
      {
        "ch": 60.0,
        "easting": 451178.0,
        "northing": 6509754.0,
        "existing_z": 138.7321,
        "design_z": 138.7946,
        "delta_z": 0.0624
      },
      {
        "ch": 64.5278,
        "easting": 451181.6222,
        "northing": 6509751.2833,
        "existing_z": 138.8444,
        "design_z": 138.8444,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD071",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 117.845,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.18,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450985.4987872262,
          6509753.522100524
        ],
        "end": [
          451087.55514413683,
          6509812.444855863
        ],
        "chainage_start": 0,
        "length": 117.84477537264128
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 58.92238768632064,
        "pvi_z": 142.7662317629372,
        "bvc": 38.92238768632064,
        "evc": 78.92238768632063,
        "length": 40.0,
        "g1": -0.05673989428915162,
        "g2": -0.061817801502769436,
        "z_bvc": 143.90102964872023,
        "K_m_per_percent": 78.77260910307479
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450985.4988,
        "northing": 6509753.5221,
        "existing_z": 146.1095,
        "design_z": 146.1095,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450994.159,
        "northing": 6509758.5221,
        "existing_z": 145.5608,
        "design_z": 145.5421,
        "delta_z": -0.0187
      },
      {
        "ch": 20.0,
        "easting": 451002.8193,
        "northing": 6509763.5222,
        "existing_z": 145.0116,
        "design_z": 144.9747,
        "delta_z": -0.0369
      },
      {
        "ch": 30.0,
        "easting": 451011.4795,
        "northing": 6509768.5222,
        "existing_z": 144.4621,
        "design_z": 144.4073,
        "delta_z": -0.0548
      },
      {
        "ch": 38.9224,
        "easting": 451019.2065,
        "northing": 6509772.9834,
        "existing_z": 143.9793,
        "design_z": 143.901,
        "delta_z": -0.0782
      },
      {
        "ch": 40.0,
        "easting": 451020.1397,
        "northing": 6509773.5222,
        "existing_z": 143.9203,
        "design_z": 143.8398,
        "delta_z": -0.0805
      },
      {
        "ch": 50.0,
        "easting": 451028.8,
        "northing": 6509778.5223,
        "existing_z": 143.3657,
        "design_z": 143.2647,
        "delta_z": -0.101
      },
      {
        "ch": 58.9224,
        "easting": 451036.527,
        "northing": 6509782.9835,
        "existing_z": 142.842,
        "design_z": 142.7408,
        "delta_z": -0.1012
      },
      {
        "ch": 60.0,
        "easting": 451037.4602,
        "northing": 6509783.5223,
        "existing_z": 142.7778,
        "design_z": 142.6769,
        "delta_z": -0.1009
      },
      {
        "ch": 70.0,
        "easting": 451046.1204,
        "northing": 6509788.5223,
        "existing_z": 142.1775,
        "design_z": 142.0764,
        "delta_z": -0.1011
      },
      {
        "ch": 78.9224,
        "easting": 451053.8474,
        "northing": 6509792.9835,
        "existing_z": 141.6227,
        "design_z": 141.5299,
        "delta_z": -0.0929
      },
      {
        "ch": 80.0,
        "easting": 451054.7807,
        "northing": 6509793.5224,
        "existing_z": 141.5533,
        "design_z": 141.4633,
        "delta_z": -0.09
      },
      {
        "ch": 90.0,
        "easting": 451063.4409,
        "northing": 6509798.5224,
        "existing_z": 140.9092,
        "design_z": 140.8451,
        "delta_z": -0.0641
      },
      {
        "ch": 100.0,
        "easting": 451072.1011,
        "northing": 6509803.5224,
        "existing_z": 140.2584,
        "design_z": 140.2269,
        "delta_z": -0.0315
      },
      {
        "ch": 110.0,
        "easting": 451080.7614,
        "northing": 6509808.5224,
        "existing_z": 139.6013,
        "design_z": 139.6087,
        "delta_z": 0.0075
      },
      {
        "ch": 117.8448,
        "easting": 451087.5551,
        "northing": 6509812.4449,
        "existing_z": 139.1238,
        "design_z": 139.1238,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD072",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 50.869,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 1.95,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451130.0,
          6509790.0
        ],
        "end": [
          451118.4,
          6509790.0
        ],
        "chainage_start": 0,
        "length": 11.599999999976717
      },
      {
        "type": "ARC",
        "centre": [
          451118.4,
          6509810.2793939235
        ],
        "radius": 20.27939392389681,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": -0.785398163398745,
        "start": [
          451118.4,
          6509790.0
        ],
        "end": [
          451104.06030303804,
          6509795.939696962
        ],
        "chainage_start": 11.599999999976717,
        "length": 15.927398742668222,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451104.06030303804,
          6509795.939696961
        ],
        "end": [
          451087.55514413683,
          6509812.444855863
        ],
        "chainage_start": 27.52739874264494,
        "length": 23.34181956787924
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451130.0,
        "northing": 6509790.0,
        "existing_z": 138.134,
        "design_z": 138.134,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451120.0,
        "northing": 6509790.0,
        "existing_z": 138.4268,
        "design_z": 138.3286,
        "delta_z": -0.0982
      },
      {
        "ch": 20.0,
        "easting": 451110.2381,
        "northing": 6509791.715,
        "existing_z": 138.6746,
        "design_z": 138.5232,
        "delta_z": -0.1514
      },
      {
        "ch": 30.0,
        "easting": 451102.3119,
        "northing": 6509797.6881,
        "existing_z": 138.919,
        "design_z": 138.7177,
        "delta_z": -0.2012
      },
      {
        "ch": 40.0,
        "easting": 451095.2408,
        "northing": 6509804.7592,
        "existing_z": 139.0303,
        "design_z": 138.9123,
        "delta_z": -0.118
      },
      {
        "ch": 50.0,
        "easting": 451088.1698,
        "northing": 6509811.8302,
        "existing_z": 139.1102,
        "design_z": 139.1069,
        "delta_z": -0.0033
      },
      {
        "ch": 50.8692,
        "easting": 451087.5551,
        "northing": 6509812.4449,
        "existing_z": 139.1238,
        "design_z": 139.1238,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD073",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 209.116,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.51,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451859.9626666666,
          6509703.717333334
        ],
        "end": [
          451877.38431999995,
          6509718.96128
        ],
        "chainage_start": 0,
        "length": 23.149339404152794
      },
      {
        "type": "ARC",
        "centre": [
          451853.0575396021,
          6509746.763314741
        ],
        "radius": 36.94246039787795,
        "start_angle_rad": -0.8519663271720863,
        "sweep_rad": 0.8519663271787598,
        "start": [
          451877.38431999995,
          6509718.96128
        ],
        "end": [
          451890.0,
          6509746.763314741
        ],
        "chainage_start": 23.149339404152794,
        "length": 31.473732302126862,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451890.0,
          6509746.763314741
        ],
        "end": [
          451890.0,
          6509856.544786515
        ],
        "chainage_start": 54.62307170627966,
        "length": 109.78147177398205
      },
      {
        "type": "ARC",
        "centre": [
          451845.5604487002,
          6509856.544786515
        ],
        "radius": 44.43955129976258,
        "start_angle_rad": 0.0,
        "sweep_rad": 0.5880026035505913,
        "start": [
          451890.0,
          6509856.544786515
        ],
        "end": [
          451882.5363904394,
          6509881.195414341
        ],
        "chainage_start": 164.4045434802617,
        "length": 26.13057186488046,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451882.5363904394,
          6509881.195414341
        ],
        "end": [
          451872.2295010461,
          6509896.655748431
        ],
        "chainage_start": 190.53511534514217,
        "length": 18.581009098708066
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 69.70537481461675,
        "pvi_z": 145.66536622774748,
        "bvc": 49.70537481461675,
        "evc": 89.70537481461675,
        "length": 40.0,
        "g1": 0.021322883649087524,
        "g2": 0.038805682003105677,
        "z_bvc": 145.23890855476574,
        "K_m_per_percent": 22.879632419261196
      },
      {
        "pvi_ch": 139.4107496292335,
        "pvi_z": 148.3703308367108,
        "bvc": 119.4107496292335,
        "evc": 159.4107496292335,
        "length": 40.0,
        "g1": 0.038805682003105677,
        "g2": 0.04511437371462791,
        "z_bvc": 147.59421719664869,
        "K_m_per_percent": 63.40458819210288
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451859.9627,
        "northing": 6509703.7173,
        "existing_z": 144.179,
        "design_z": 144.179,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451867.4884,
        "northing": 6509710.3024,
        "existing_z": 144.1717,
        "design_z": 144.3923,
        "delta_z": 0.2206
      },
      {
        "ch": 20.0,
        "easting": 451875.0142,
        "northing": 6509716.8874,
        "existing_z": 144.3345,
        "design_z": 144.6055,
        "delta_z": 0.271
      },
      {
        "ch": 30.0,
        "easting": 451882.0934,
        "northing": 6509723.9233,
        "existing_z": 144.5263,
        "design_z": 144.8187,
        "delta_z": 0.2924
      },
      {
        "ch": 40.0,
        "easting": 451887.1434,
        "northing": 6509732.5191,
        "existing_z": 144.7275,
        "design_z": 145.032,
        "delta_z": 0.3044
      },
      {
        "ch": 49.7054,
        "easting": 451889.6732,
        "northing": 6509741.8601,
        "existing_z": 144.932,
        "design_z": 145.2389,
        "delta_z": 0.3069
      },
      {
        "ch": 50.0,
        "easting": 451889.7111,
        "northing": 6509742.1523,
        "existing_z": 144.9377,
        "design_z": 145.2452,
        "delta_z": 0.3075
      },
      {
        "ch": 60.0,
        "easting": 451890.0,
        "northing": 6509752.1402,
        "existing_z": 145.1276,
        "design_z": 145.4816,
        "delta_z": 0.354
      },
      {
        "ch": 69.7054,
        "easting": 451890.0,
        "northing": 6509761.8456,
        "existing_z": 145.3514,
        "design_z": 145.7528,
        "delta_z": 0.4013
      },
      {
        "ch": 70.0,
        "easting": 451890.0,
        "northing": 6509762.1402,
        "existing_z": 145.3582,
        "design_z": 145.7617,
        "delta_z": 0.4034
      },
      {
        "ch": 80.0,
        "easting": 451890.0,
        "northing": 6509772.1402,
        "existing_z": 145.6136,
        "design_z": 146.0854,
        "delta_z": 0.4718
      },
      {
        "ch": 89.7054,
        "easting": 451890.0,
        "northing": 6509781.8456,
        "existing_z": 145.9496,
        "design_z": 146.4415,
        "delta_z": 0.4918
      },
      {
        "ch": 90.0,
        "easting": 451890.0,
        "northing": 6509782.1402,
        "existing_z": 145.9598,
        "design_z": 146.4529,
        "delta_z": 0.4931
      },
      {
        "ch": 100.0,
        "easting": 451890.0,
        "northing": 6509792.1402,
        "existing_z": 146.3355,
        "design_z": 146.841,
        "delta_z": 0.5055
      },
      {
        "ch": 110.0,
        "easting": 451890.0,
        "northing": 6509802.1402,
        "existing_z": 146.8193,
        "design_z": 147.229,
        "delta_z": 0.4098
      },
      {
        "ch": 119.4107,
        "easting": 451890.0,
        "northing": 6509811.551,
        "existing_z": 147.2816,
        "design_z": 147.5942,
        "delta_z": 0.3126
      },
      {
        "ch": 120.0,
        "easting": 451890.0,
        "northing": 6509812.1402,
        "existing_z": 147.3128,
        "design_z": 147.6171,
        "delta_z": 0.3044
      },
      {
        "ch": 130.0,
        "easting": 451890.0,
        "northing": 6509822.1402,
        "existing_z": 147.8419,
        "design_z": 148.014,
        "delta_z": 0.1721
      },
      {
        "ch": 139.4107,
        "easting": 451890.0,
        "northing": 6509831.551,
        "existing_z": 148.343,
        "design_z": 148.4019,
        "delta_z": 0.0589
      },
      {
        "ch": 140.0,
        "easting": 451890.0,
        "northing": 6509832.1402,
        "existing_z": 148.3754,
        "design_z": 148.4266,
        "delta_z": 0.0512
      },
      {
        "ch": 150.0,
        "easting": 451890.0,
        "northing": 6509842.1402,
        "existing_z": 148.9251,
        "design_z": 148.855,
        "delta_z": -0.0701
      },
      {
        "ch": 159.4107,
        "easting": 451890.0,
        "northing": 6509851.551,
        "existing_z": 149.4432,
        "design_z": 149.2726,
        "delta_z": -0.1706
      },
      {
        "ch": 160.0,
        "easting": 451890.0,
        "northing": 6509852.1402,
        "existing_z": 149.4759,
        "design_z": 149.2992,
        "delta_z": -0.1767
      },
      {
        "ch": 170.0,
        "easting": 451889.6482,
        "northing": 6509862.1255,
        "existing_z": 150.0212,
        "design_z": 149.7503,
        "delta_z": -0.2709
      },
      {
        "ch": 180.0,
        "easting": 451887.2915,
        "northing": 6509871.8221,
        "existing_z": 150.5007,
        "design_z": 150.2015,
        "delta_z": -0.2993
      },
      {
        "ch": 190.0,
        "easting": 451882.8305,
        "northing": 6509880.7484,
        "existing_z": 150.885,
        "design_z": 150.6526,
        "delta_z": -0.2324
      },
      {
        "ch": 200.0,
        "easting": 451877.2862,
        "northing": 6509889.0707,
        "existing_z": 151.2083,
        "design_z": 151.1038,
        "delta_z": -0.1046
      },
      {
        "ch": 209.1161,
        "easting": 451872.2295,
        "northing": 6509896.6557,
        "existing_z": 151.515,
        "design_z": 151.515,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD074",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 12.43,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.52,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451087.55514413683,
          6509812.444855863
        ],
        "end": [
          451098.32,
          6509818.66
        ],
        "chainage_start": 0,
        "length": 12.430210714130274
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451087.5551,
        "northing": 6509812.4449,
        "existing_z": 139.1238,
        "design_z": 139.1238,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451096.2154,
        "northing": 6509817.4449,
        "existing_z": 138.6561,
        "design_z": 138.6719,
        "delta_z": 0.0158
      },
      {
        "ch": 12.4302,
        "easting": 451098.32,
        "northing": 6509818.66,
        "existing_z": 138.5621,
        "design_z": 138.5621,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD075",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 420.058,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.07,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451087.55514413683,
          6509812.444855863
        ],
        "end": [
          451065.7731605375,
          6509834.226839462
        ],
        "chainage_start": 0,
        "length": 30.80437662139429
      },
      {
        "type": "ARC",
        "centre": [
          451027.6933824464,
          6509796.147061371
        ],
        "radius": 53.85293862853034,
        "start_angle_rad": 0.7853981633974483,
        "sweep_rad": 0.7853981633966735,
        "start": [
          451065.7731605375,
          6509834.226839462
        ],
        "end": [
          451027.6933824464,
          6509850.0
        ],
        "chainage_start": 30.80437662139429,
        "length": 42.2959990923615,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451027.6933824465,
          6509850.0
        ],
        "end": [
          450827.2792206136,
          6509850.0
        ],
        "chainage_start": 73.1003757137558,
        "length": 200.41416183288675
      },
      {
        "type": "ARC",
        "centre": [
          450827.2792206136,
          6509940.0
        ],
        "radius": 90.0,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450827.2792206136,
          6509850.0
        ],
        "end": [
          450763.63961030677,
          6509876.360389694
        ],
        "chainage_start": 273.51453754664254,
        "length": 70.68583470577036,
        "target_radius": 90,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          450763.6396103068,
          6509876.360389694
        ],
        "end": [
          450710.0,
          6509930.0
        ],
        "chainage_start": 344.2003722524129,
        "length": 75.85786437599099
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.00970610473398,
        "pvi_z": 140.90948502794936,
        "bvc": 50.00970610473398,
        "evc": 90.00970610473398,
        "length": 40.0,
        "g1": 0.02550654516965057,
        "g2": 0.03274480525226442,
        "z_bvc": 140.39935412455634,
        "K_m_per_percent": 55.26189932865105
      },
      {
        "pvi_ch": 140.01941220946796,
        "pvi_z": 143.20193922011714,
        "bvc": 120.01941220946796,
        "evc": 160.01941220946796,
        "length": 40.0,
        "g1": 0.03274480525226442,
        "g2": 0.020784630153703156,
        "z_bvc": 142.54704311507186,
        "K_m_per_percent": 33.44432641693662
      },
      {
        "pvi_ch": 210.02911831420192,
        "pvi_z": 144.6570650686735,
        "bvc": 190.02911831420192,
        "evc": 230.02911831420192,
        "length": 40.0,
        "g1": 0.020784630153703156,
        "g2": 0.0005955288435419983,
        "z_bvc": 144.24137246559943,
        "K_m_per_percent": 19.812669908129113
      },
      {
        "pvi_ch": 280.0388244189359,
        "pvi_z": 144.69875786798676,
        "bvc": 260.0388244189359,
        "evc": 300.0388244189359,
        "length": 40.0,
        "g1": 0.0005955288435419983,
        "g2": -0.02801720060564333,
        "z_bvc": 144.68684729111592,
        "K_m_per_percent": 13.979791781499857
      },
      {
        "pvi_ch": 350.0485305236699,
        "pvi_z": 142.7372818877083,
        "bvc": 330.0485305236699,
        "evc": 370.0485305236699,
        "length": 40.0,
        "g1": -0.02801720060564333,
        "g2": -0.040706005147071025,
        "z_bvc": 143.29762589982116,
        "K_m_per_percent": 31.523852282067978
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451087.5551,
        "northing": 6509812.4449,
        "existing_z": 139.1238,
        "design_z": 139.1238,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451080.4841,
        "northing": 6509819.5159,
        "existing_z": 139.2598,
        "design_z": 139.3788,
        "delta_z": 0.119
      },
      {
        "ch": 20.0,
        "easting": 451073.413,
        "northing": 6509826.587,
        "existing_z": 139.359,
        "design_z": 139.6339,
        "delta_z": 0.2749
      },
      {
        "ch": 30.0,
        "easting": 451066.3419,
        "northing": 6509833.6581,
        "existing_z": 139.4788,
        "design_z": 139.889,
        "delta_z": 0.4102
      },
      {
        "ch": 40.0,
        "easting": 451058.7486,
        "northing": 6509840.1438,
        "existing_z": 139.673,
        "design_z": 140.144,
        "delta_z": 0.471
      },
      {
        "ch": 50.0,
        "easting": 451050.0918,
        "northing": 6509845.121,
        "existing_z": 139.9462,
        "design_z": 140.3991,
        "delta_z": 0.4529
      },
      {
        "ch": 50.0097,
        "easting": 451050.083,
        "northing": 6509845.1251,
        "existing_z": 139.9465,
        "design_z": 140.3994,
        "delta_z": 0.4528
      },
      {
        "ch": 60.0,
        "easting": 451040.6649,
        "northing": 6509848.4144,
        "existing_z": 140.2975,
        "design_z": 140.6632,
        "delta_z": 0.3657
      },
      {
        "ch": 70.0,
        "easting": 451030.792,
        "northing": 6509849.9108,
        "existing_z": 140.7217,
        "design_z": 140.9454,
        "delta_z": 0.2237
      },
      {
        "ch": 70.0097,
        "easting": 451030.7824,
        "northing": 6509849.9113,
        "existing_z": 140.7221,
        "design_z": 140.9457,
        "delta_z": 0.2236
      },
      {
        "ch": 80.0,
        "easting": 451020.7938,
        "northing": 6509850.0,
        "existing_z": 141.1633,
        "design_z": 141.2457,
        "delta_z": 0.0824
      },
      {
        "ch": 90.0,
        "easting": 451010.7938,
        "northing": 6509850.0,
        "existing_z": 141.605,
        "design_z": 141.5641,
        "delta_z": -0.041
      },
      {
        "ch": 90.0097,
        "easting": 451010.7841,
        "northing": 6509850.0,
        "existing_z": 141.6055,
        "design_z": 141.5644,
        "delta_z": -0.0411
      },
      {
        "ch": 100.0,
        "easting": 451000.7938,
        "northing": 6509850.0,
        "existing_z": 142.0101,
        "design_z": 141.8915,
        "delta_z": -0.1186
      },
      {
        "ch": 110.0,
        "easting": 450990.7938,
        "northing": 6509850.0,
        "existing_z": 142.412,
        "design_z": 142.219,
        "delta_z": -0.193
      },
      {
        "ch": 120.0,
        "easting": 450980.7938,
        "northing": 6509850.0,
        "existing_z": 142.7692,
        "design_z": 142.5464,
        "delta_z": -0.2228
      },
      {
        "ch": 120.0194,
        "easting": 450980.7743,
        "northing": 6509850.0,
        "existing_z": 142.7699,
        "design_z": 142.547,
        "delta_z": -0.2229
      },
      {
        "ch": 130.0,
        "easting": 450970.7938,
        "northing": 6509850.0,
        "existing_z": 143.1226,
        "design_z": 142.859,
        "delta_z": -0.2637
      },
      {
        "ch": 140.0,
        "easting": 450960.7938,
        "northing": 6509850.0,
        "existing_z": 143.4123,
        "design_z": 143.1416,
        "delta_z": -0.2707
      },
      {
        "ch": 140.0194,
        "easting": 450960.7743,
        "northing": 6509850.0,
        "existing_z": 143.4129,
        "design_z": 143.1421,
        "delta_z": -0.2707
      },
      {
        "ch": 150.0,
        "easting": 450950.7938,
        "northing": 6509850.0,
        "existing_z": 143.6965,
        "design_z": 143.3944,
        "delta_z": -0.3022
      },
      {
        "ch": 160.0,
        "easting": 450940.7938,
        "northing": 6509850.0,
        "existing_z": 143.9282,
        "design_z": 143.6172,
        "delta_z": -0.311
      },
      {
        "ch": 160.0194,
        "easting": 450940.7743,
        "northing": 6509850.0,
        "existing_z": 143.9287,
        "design_z": 143.6176,
        "delta_z": -0.311
      },
      {
        "ch": 170.0,
        "easting": 450930.7938,
        "northing": 6509850.0,
        "existing_z": 144.1553,
        "design_z": 143.8251,
        "delta_z": -0.3303
      },
      {
        "ch": 180.0,
        "easting": 450920.7938,
        "northing": 6509850.0,
        "existing_z": 144.3465,
        "design_z": 144.0329,
        "delta_z": -0.3135
      },
      {
        "ch": 190.0,
        "easting": 450910.7938,
        "northing": 6509850.0,
        "existing_z": 144.5345,
        "design_z": 144.2408,
        "delta_z": -0.2937
      },
      {
        "ch": 190.0291,
        "easting": 450910.7646,
        "northing": 6509850.0,
        "existing_z": 144.535,
        "design_z": 144.2414,
        "delta_z": -0.2936
      },
      {
        "ch": 200.0,
        "easting": 450900.7938,
        "northing": 6509850.0,
        "existing_z": 144.7023,
        "design_z": 144.4235,
        "delta_z": -0.2788
      },
      {
        "ch": 210.0,
        "easting": 450890.7938,
        "northing": 6509850.0,
        "existing_z": 144.8685,
        "design_z": 144.5558,
        "delta_z": -0.3127
      },
      {
        "ch": 210.0291,
        "easting": 450890.7646,
        "northing": 6509850.0,
        "existing_z": 144.8689,
        "design_z": 144.5561,
        "delta_z": -0.3128
      },
      {
        "ch": 220.0,
        "easting": 450880.7938,
        "northing": 6509850.0,
        "existing_z": 145.0099,
        "design_z": 144.6376,
        "delta_z": -0.3723
      },
      {
        "ch": 230.0,
        "easting": 450870.7938,
        "northing": 6509850.0,
        "existing_z": 145.1492,
        "design_z": 144.669,
        "delta_z": -0.4802
      },
      {
        "ch": 230.0291,
        "easting": 450870.7646,
        "northing": 6509850.0,
        "existing_z": 145.1496,
        "design_z": 144.669,
        "delta_z": -0.4806
      },
      {
        "ch": 240.0,
        "easting": 450860.7938,
        "northing": 6509850.0,
        "existing_z": 145.2196,
        "design_z": 144.6749,
        "delta_z": -0.5447
      },
      {
        "ch": 250.0,
        "easting": 450850.7938,
        "northing": 6509850.0,
        "existing_z": 145.2841,
        "design_z": 144.6809,
        "delta_z": -0.6032
      },
      {
        "ch": 260.0,
        "easting": 450840.7938,
        "northing": 6509850.0,
        "existing_z": 145.2621,
        "design_z": 144.6868,
        "delta_z": -0.5753
      },
      {
        "ch": 260.0388,
        "easting": 450840.7549,
        "northing": 6509850.0,
        "existing_z": 145.262,
        "design_z": 144.6868,
        "delta_z": -0.5752
      },
      {
        "ch": 270.0,
        "easting": 450830.7938,
        "northing": 6509850.0,
        "existing_z": 145.2327,
        "design_z": 144.6573,
        "delta_z": -0.5754
      },
      {
        "ch": 280.0,
        "easting": 450820.7994,
        "northing": 6509850.2336,
        "existing_z": 145.141,
        "design_z": 144.5562,
        "delta_z": -0.5848
      },
      {
        "ch": 280.0388,
        "easting": 450820.7606,
        "northing": 6509850.2364,
        "existing_z": 145.1405,
        "design_z": 144.5557,
        "delta_z": -0.5848
      },
      {
        "ch": 290.0,
        "easting": 450810.8858,
        "northing": 6509851.5056,
        "existing_z": 144.9964,
        "design_z": 144.3836,
        "delta_z": -0.6128
      },
      {
        "ch": 300.0,
        "easting": 450801.1744,
        "northing": 6509853.8691,
        "existing_z": 144.7736,
        "design_z": 144.1395,
        "delta_z": -0.6341
      },
      {
        "ch": 300.0388,
        "easting": 450801.1372,
        "northing": 6509853.8803,
        "existing_z": 144.7726,
        "design_z": 144.1384,
        "delta_z": -0.6342
      },
      {
        "ch": 310.0,
        "easting": 450791.7849,
        "northing": 6509857.2948,
        "existing_z": 144.5087,
        "design_z": 143.8593,
        "delta_z": -0.6494
      },
      {
        "ch": 320.0,
        "easting": 450782.8332,
        "northing": 6509861.7405,
        "existing_z": 144.1636,
        "design_z": 143.5792,
        "delta_z": -0.5845
      },
      {
        "ch": 330.0,
        "easting": 450774.4297,
        "northing": 6509867.1513,
        "existing_z": 143.782,
        "design_z": 143.299,
        "delta_z": -0.4831
      },
      {
        "ch": 330.0485,
        "easting": 450774.3904,
        "northing": 6509867.1798,
        "existing_z": 143.7801,
        "design_z": 143.2976,
        "delta_z": -0.4825
      },
      {
        "ch": 340.0,
        "easting": 450766.6779,
        "northing": 6509873.4607,
        "existing_z": 143.3429,
        "design_z": 143.0031,
        "delta_z": -0.3398
      },
      {
        "ch": 350.0,
        "easting": 450759.5387,
        "northing": 6509880.4613,
        "existing_z": 142.8538,
        "design_z": 142.6755,
        "delta_z": -0.1783
      },
      {
        "ch": 350.0485,
        "easting": 450759.5043,
        "northing": 6509880.4957,
        "existing_z": 142.8514,
        "design_z": 142.6738,
        "delta_z": -0.1776
      },
      {
        "ch": 360.0,
        "easting": 450752.4676,
        "northing": 6509887.5324,
        "existing_z": 142.3778,
        "design_z": 142.3162,
        "delta_z": -0.0616
      },
      {
        "ch": 370.0,
        "easting": 450745.3965,
        "northing": 6509894.6035,
        "existing_z": 141.9138,
        "design_z": 141.9251,
        "delta_z": 0.0113
      },
      {
        "ch": 370.0485,
        "easting": 450745.3622,
        "northing": 6509894.6378,
        "existing_z": 141.9116,
        "design_z": 141.9232,
        "delta_z": 0.0115
      },
      {
        "ch": 380.0,
        "easting": 450738.3255,
        "northing": 6509901.6745,
        "existing_z": 141.4693,
        "design_z": 141.5181,
        "delta_z": 0.0488
      },
      {
        "ch": 390.0,
        "easting": 450731.2544,
        "northing": 6509908.7456,
        "existing_z": 141.0469,
        "design_z": 141.111,
        "delta_z": 0.0642
      },
      {
        "ch": 400.0,
        "easting": 450724.1833,
        "northing": 6509915.8167,
        "existing_z": 140.6386,
        "design_z": 140.704,
        "delta_z": 0.0653
      },
      {
        "ch": 410.0,
        "easting": 450717.1122,
        "northing": 6509922.8878,
        "existing_z": 140.2522,
        "design_z": 140.2969,
        "delta_z": 0.0447
      },
      {
        "ch": 420.0,
        "easting": 450710.0412,
        "northing": 6509929.9588,
        "existing_z": 139.8895,
        "design_z": 139.8898,
        "delta_z": 0.0003
      },
      {
        "ch": 420.0582,
        "easting": 450710.0,
        "northing": 6509930.0,
        "existing_z": 139.8875,
        "design_z": 139.8875,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD076",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 10.727,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 1.39,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451862.94,
          6509902.02
        ],
        "end": [
          451872.2295010461,
          6509896.655748431
        ],
        "chainage_start": 0,
        "length": 10.727069710805676
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451862.94,
        "northing": 6509902.02,
        "existing_z": 151.6637,
        "design_z": 151.6637,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451871.5999,
        "northing": 6509897.0193,
        "existing_z": 151.5202,
        "design_z": 151.5251,
        "delta_z": 0.0049
      },
      {
        "ch": 10.7271,
        "easting": 451872.2295,
        "northing": 6509896.6557,
        "existing_z": 151.515,
        "design_z": 151.515,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD077",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 274.016,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.21,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451872.2295010461,
          6509896.655748431
        ],
        "end": [
          451935.5,
          6509860.12
        ],
        "chainage_start": 0,
        "length": 73.06173383688102
      },
      {
        "type": "LINE",
        "start": [
          451935.5,
          6509860.12
        ],
        "end": [
          451904.0426843218,
          6509880.778122911
        ],
        "chainage_start": 73.06173383688102,
        "length": 37.634037145751485
      },
      {
        "type": "ARC",
        "centre": [
          451921.13133679226,
          6509906.8
        ],
        "radius": 31.13133679226425,
        "start_angle_rad": -2.1518694580497213,
        "sweep_rad": -0.9897231955406884,
        "start": [
          451904.0426843218,
          6509880.778122911
        ],
        "end": [
          451890.0,
          6509906.8
        ],
        "chainage_start": 110.6957709826325,
        "length": 30.81140613149318,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451890.0,
          6509906.8
        ],
        "end": [
          451890.0,
          6509913.2
        ],
        "chainage_start": 141.50717711412568,
        "length": 6.400000000372529
      },
      {
        "type": "ARC",
        "centre": [
          451930.55878784787,
          6509913.2
        ],
        "radius": 40.558787847868,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451890.0,
          6509913.2
        ],
        "end": [
          451901.8793939239,
          6509941.879393924
        ],
        "chainage_start": 147.9071771144982,
        "length": 31.854797485342274,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451901.8793939239,
          6509941.879393924
        ],
        "end": [
          451913.2,
          6509953.2
        ],
        "chainage_start": 179.76197459984047,
        "length": 16.009754647145577
      },
      {
        "type": "ARC",
        "centre": [
          451938.2258939314,
          6509928.174106069
        ],
        "radius": 35.3919586082678,
        "start_angle_rad": 2.356194490194671,
        "sweep_rad": -1.1824133479369596,
        "start": [
          451913.2,
          6509953.2
        ],
        "end": [
          451951.9108110644,
          6509960.813250928
        ],
        "chainage_start": 195.77172924698604,
        "length": 41.847924268048224,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451951.91081106436,
          6509960.813250929
        ],
        "end": [
          451985.47625623766,
          6509946.739955268
        ],
        "chainage_start": 237.61965351503426,
        "length": 36.396383892505675
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 68.50400935188499,
        "pvi_z": 151.68576946110193,
        "bvc": 48.50400935188499,
        "evc": 88.50400935188499,
        "length": 40.0,
        "g1": 0.0024921796067342767,
        "g2": 0.020018317853036673,
        "z_bvc": 151.63592586896723,
        "K_m_per_percent": 22.82305402243364
      },
      {
        "pvi_ch": 137.00801870376998,
        "pvi_z": 153.05710449451536,
        "bvc": 117.00801870376998,
        "evc": 157.00801870376998,
        "length": 40.0,
        "g1": 0.020018317853036673,
        "g2": 0.06406740439289312,
        "z_bvc": 152.65673813745462,
        "K_m_per_percent": 9.080778545499973
      },
      {
        "pvi_ch": 205.51202805565498,
        "pvi_z": 157.4459785641971,
        "bvc": 185.51202805565498,
        "evc": 225.51202805565498,
        "length": 40.0,
        "g1": 0.06406740439289312,
        "g2": 0.07208372426764965,
        "z_bvc": 156.16463047633925,
        "K_m_per_percent": 49.89820843596866
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451872.2295,
        "northing": 6509896.6557,
        "existing_z": 151.515,
        "design_z": 151.515,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451880.8894,
        "northing": 6509891.6551,
        "existing_z": 151.444,
        "design_z": 151.54,
        "delta_z": 0.096
      },
      {
        "ch": 20.0,
        "easting": 451889.5492,
        "northing": 6509886.6544,
        "existing_z": 151.3789,
        "design_z": 151.5649,
        "delta_z": 0.186
      },
      {
        "ch": 30.0,
        "easting": 451898.2091,
        "northing": 6509881.6537,
        "existing_z": 151.3915,
        "design_z": 151.5898,
        "delta_z": 0.1983
      },
      {
        "ch": 40.0,
        "easting": 451906.869,
        "northing": 6509876.6531,
        "existing_z": 151.3959,
        "design_z": 151.6147,
        "delta_z": 0.2188
      },
      {
        "ch": 48.504,
        "easting": 451914.2333,
        "northing": 6509872.4005,
        "existing_z": 151.436,
        "design_z": 151.6359,
        "delta_z": 0.1999
      },
      {
        "ch": 50.0,
        "easting": 451915.5288,
        "northing": 6509871.6524,
        "existing_z": 151.4473,
        "design_z": 151.6401,
        "delta_z": 0.1929
      },
      {
        "ch": 60.0,
        "easting": 451924.1887,
        "northing": 6509866.6517,
        "existing_z": 151.5077,
        "design_z": 151.6935,
        "delta_z": 0.1858
      },
      {
        "ch": 68.504,
        "easting": 451931.5531,
        "northing": 6509862.3992,
        "existing_z": 151.5551,
        "design_z": 151.7734,
        "delta_z": 0.2183
      },
      {
        "ch": 70.0,
        "easting": 451932.8486,
        "northing": 6509861.6511,
        "existing_z": 151.5716,
        "design_z": 151.7907,
        "delta_z": 0.2191
      },
      {
        "ch": 80.0,
        "easting": 451929.7005,
        "northing": 6509863.9286,
        "existing_z": 151.5622,
        "design_z": 151.9317,
        "delta_z": 0.3695
      },
      {
        "ch": 88.504,
        "easting": 451922.5922,
        "northing": 6509868.5966,
        "existing_z": 151.5618,
        "design_z": 152.0861,
        "delta_z": 0.5243
      },
      {
        "ch": 90.0,
        "easting": 451921.3417,
        "northing": 6509869.4178,
        "existing_z": 151.5596,
        "design_z": 152.1161,
        "delta_z": 0.5565
      },
      {
        "ch": 100.0,
        "easting": 451912.983,
        "northing": 6509874.907,
        "existing_z": 151.5307,
        "design_z": 152.3163,
        "delta_z": 0.7856
      },
      {
        "ch": 110.0,
        "easting": 451904.6243,
        "northing": 6509880.3962,
        "existing_z": 151.5369,
        "design_z": 152.5164,
        "delta_z": 0.9795
      },
      {
        "ch": 117.008,
        "easting": 451899.1526,
        "northing": 6509884.7524,
        "existing_z": 151.5995,
        "design_z": 152.6567,
        "delta_z": 1.0572
      },
      {
        "ch": 120.0,
        "easting": 451897.1383,
        "northing": 6509886.9633,
        "existing_z": 151.6551,
        "design_z": 152.7216,
        "delta_z": 1.0664
      },
      {
        "ch": 130.0,
        "easting": 451892.1026,
        "northing": 6509895.5531,
        "existing_z": 151.969,
        "design_z": 153.0098,
        "delta_z": 1.0408
      },
      {
        "ch": 137.008,
        "easting": 451890.3245,
        "northing": 6509902.3165,
        "existing_z": 152.2929,
        "design_z": 153.2773,
        "delta_z": 0.9845
      },
      {
        "ch": 140.0,
        "easting": 451890.0365,
        "northing": 6509905.2934,
        "existing_z": 152.4528,
        "design_z": 153.4081,
        "delta_z": 0.9553
      },
      {
        "ch": 150.0,
        "easting": 451890.054,
        "northing": 6509915.2919,
        "existing_z": 153.0483,
        "design_z": 153.9165,
        "delta_z": 0.8682
      },
      {
        "ch": 157.008,
        "easting": 451891.0168,
        "northing": 6509922.2247,
        "existing_z": 153.5123,
        "design_z": 154.3385,
        "delta_z": 0.8262
      },
      {
        "ch": 160.0,
        "easting": 451891.7895,
        "northing": 6509925.1144,
        "existing_z": 153.7209,
        "design_z": 154.5301,
        "delta_z": 0.8092
      },
      {
        "ch": 170.0,
        "easting": 451895.8698,
        "northing": 6509934.2164,
        "existing_z": 154.4868,
        "design_z": 155.1708,
        "delta_z": 0.6841
      },
      {
        "ch": 180.0,
        "easting": 451902.0477,
        "northing": 6509942.0477,
        "existing_z": 155.2973,
        "design_z": 155.8115,
        "delta_z": 0.5142
      },
      {
        "ch": 185.512,
        "easting": 451905.9453,
        "northing": 6509945.9453,
        "existing_z": 155.7367,
        "design_z": 156.1646,
        "delta_z": 0.4279
      },
      {
        "ch": 190.0,
        "easting": 451909.1188,
        "northing": 6509949.1188,
        "existing_z": 156.0959,
        "design_z": 156.4542,
        "delta_z": 0.3583
      },
      {
        "ch": 200.0,
        "easting": 451916.3611,
        "northing": 6509956.0043,
        "existing_z": 157.0145,
        "design_z": 157.1139,
        "delta_z": 0.0994
      },
      {
        "ch": 205.512,
        "easting": 451920.9426,
        "northing": 6509959.059,
        "existing_z": 157.5033,
        "design_z": 157.4861,
        "delta_z": -0.0172
      },
      {
        "ch": 210.0,
        "easting": 451924.9873,
        "northing": 6509960.9968,
        "existing_z": 157.8758,
        "design_z": 157.7936,
        "delta_z": -0.0822
      },
      {
        "ch": 220.0,
        "easting": 451934.6634,
        "northing": 6509963.3863,
        "existing_z": 158.6845,
        "design_z": 158.4934,
        "delta_z": -0.1911
      },
      {
        "ch": 225.512,
        "easting": 451940.1684,
        "northing": 6509963.5127,
        "existing_z": 159.1078,
        "design_z": 158.8877,
        "delta_z": -0.2201
      },
      {
        "ch": 230.0,
        "easting": 451944.622,
        "northing": 6509962.9833,
        "existing_z": 159.4056,
        "design_z": 159.2112,
        "delta_z": -0.1944
      },
      {
        "ch": 240.0,
        "easting": 451954.106,
        "northing": 6509959.8928,
        "existing_z": 159.9946,
        "design_z": 159.932,
        "delta_z": -0.0626
      },
      {
        "ch": 250.0,
        "easting": 451963.3282,
        "northing": 6509956.0262,
        "existing_z": 160.6205,
        "design_z": 160.6528,
        "delta_z": 0.0323
      },
      {
        "ch": 260.0,
        "easting": 451972.5504,
        "northing": 6509952.1595,
        "existing_z": 161.295,
        "design_z": 161.3737,
        "delta_z": 0.0787
      },
      {
        "ch": 270.0,
        "easting": 451981.7726,
        "northing": 6509948.2928,
        "existing_z": 162.0781,
        "design_z": 162.0945,
        "delta_z": 0.0164
      },
      {
        "ch": 274.016,
        "easting": 451985.4763,
        "northing": 6509946.74,
        "existing_z": 162.384,
        "design_z": 162.384,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD078",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 1116.749,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.5,
    "radius_review_count": 23,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451861.2123076922,
          6509702.467692307
        ],
        "end": [
          451866.30916923075,
          6509706.836430769
        ],
        "chainage_start": 0,
        "length": 6.712963078571
      },
      {
        "type": "ARC",
        "centre": [
          451874.86111119465,
          6509696.859165145
        ],
        "radius": 13.140834854979072,
        "start_angle_rad": 2.279422598933617,
        "sweep_rad": -0.7086262721549447,
        "start": [
          451866.30916923075,
          6509706.836430769
        ],
        "end": [
          451874.86111119465,
          6509710.0
        ],
        "chainage_start": 6.712963078571,
        "length": 9.311940816287583,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451874.8611111949,
          6509710.0
        ],
        "end": [
          451881.6,
          6509710.0
        ],
        "chainage_start": 16.024903894858582,
        "length": 6.738888805091847
      },
      {
        "type": "ARC",
        "centre": [
          451881.6,
          6509730.2793939235
        ],
        "radius": 20.279393923934,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          451881.6,
          6509710.0
        ],
        "end": [
          451895.93969696196,
          6509715.939696962
        ],
        "chainage_start": 22.76379269995043,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451895.93969696196,
          6509715.939696961
        ],
        "end": [
          451901.6,
          6509721.6
        ],
        "chainage_start": 38.691191442621566,
        "length": 8.00487732388148
      },
      {
        "type": "ARC",
        "centre": [
          451921.8793939239,
          6509701.320606076
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 2.356194490203826,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451901.6,
          6509721.6
        ],
        "end": [
          451921.8793939239,
          6509730.0
        ],
        "chainage_start": 46.696068766503046,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451921.87939392356,
          6509730.0
        ],
        "end": [
          451944.8,
          6509730.0
        ],
        "chainage_start": 69.22081208171275,
        "length": 22.92060607642634
      },
      {
        "type": "ARC",
        "centre": [
          451944.8,
          6509813.229946071
        ],
        "radius": 83.22994607084627,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.5880026035475675,
        "start": [
          451944.8,
          6509730.0
        ],
        "end": [
          451990.9676674173,
          6509743.978444945
        ],
        "chainage_start": 92.14141815813909,
        "length": 48.93942498278124,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451990.9676674173,
          6509743.978444945
        ],
        "end": [
          452016.0215550551,
          6509760.681036703
        ],
        "chainage_start": 141.08084314092034,
        "length": 30.111025509092173
      },
      {
        "type": "ARC",
        "centre": [
          452046.8,
          6509714.513369286
        ],
        "radius": 55.48663071389752,
        "start_angle_rad": 2.1587989303471193,
        "sweep_rad": -0.5880026035475675,
        "start": [
          452016.0215550551,
          6509760.681036703
        ],
        "end": [
          452046.8,
          6509770.0
        ],
        "chainage_start": 171.1918686500125,
        "length": 32.62628332185417,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452046.79999999976,
          6509770.0
        ],
        "end": [
          452053.2,
          6509770.0
        ],
        "chainage_start": 203.81815197186668,
        "length": 6.400000000256114
      },
      {
        "type": "ARC",
        "centre": [
          452053.2,
          6509825.486630714
        ],
        "radius": 55.48663071389752,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.5880026035475675,
        "start": [
          452053.2,
          6509770.0
        ],
        "end": [
          452083.9784449449,
          6509779.318963297
        ],
        "chainage_start": 210.2181519721228,
        "length": 32.62628332185417,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452083.9784449449,
          6509779.318963297
        ],
        "end": [
          452116.0215550551,
          6509800.681036703
        ],
        "chainage_start": 242.84443529397697,
        "length": 38.511025509110326
      },
      {
        "type": "ARC",
        "centre": [
          452146.8,
          6509754.513369286
        ],
        "radius": 55.48663071389752,
        "start_angle_rad": 2.1587989303471193,
        "sweep_rad": -0.5880026035475675,
        "start": [
          452116.0215550551,
          6509800.681036703
        ],
        "end": [
          452146.8,
          6509810.0
        ],
        "chainage_start": 281.3554608030873,
        "length": 32.62628332185417,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452146.79999999976,
          6509810.0
        ],
        "end": [
          452158.1206060761,
          6509810.0
        ],
        "chainage_start": 313.98174412494143,
        "length": 11.320606076333206
      },
      {
        "type": "ARC",
        "centre": [
          452158.1206060761,
          6509838.679393924
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          452158.1206060761,
          6509810.0
        ],
        "end": [
          452178.4,
          6509818.4
        ],
        "chainage_start": 325.30235020127463,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452178.4,
          6509818.4
        ],
        "end": [
          452184.06030303804,
          6509824.060303038
        ],
        "chainage_start": 347.82709351648435,
        "length": 8.004877323222937
      },
      {
        "type": "ARC",
        "centre": [
          452198.4,
          6509809.720606076
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 2.3561944901781375,
        "sweep_rad": -0.7853981633974484,
        "start": [
          452184.06030303804,
          6509824.060303038
        ],
        "end": [
          452198.4,
          6509830.0
        ],
        "chainage_start": 355.8319708397073,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452198.4000000003,
          6509829.999999999
        ],
        "end": [
          452201.6,
          6509830.0
        ],
        "chainage_start": 371.75936958237844,
        "length": 3.1999999996623956
      },
      {
        "type": "ARC",
        "centre": [
          452201.6,
          6509850.2793939235
        ],
        "radius": 20.279393923934,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          452201.6,
          6509830.0
        ],
        "end": [
          452215.93969696196,
          6509835.939696962
        ],
        "chainage_start": 374.95936958204084,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452215.93969696196,
          6509835.939696961
        ],
        "end": [
          452224.06030303804,
          6509844.060303038
        ],
        "chainage_start": 390.88676832471197,
        "length": 11.484271248070275
      },
      {
        "type": "ARC",
        "centre": [
          452238.4,
          6509829.720606076
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 2.3561944901781375,
        "sweep_rad": -0.7853981633974484,
        "start": [
          452224.06030303804,
          6509844.060303038
        ],
        "end": [
          452238.4,
          6509850.0
        ],
        "chainage_start": 402.37103957278225,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452238.4000000003,
          6509849.999999999
        ],
        "end": [
          452241.6,
          6509850.0
        ],
        "chainage_start": 418.2984383154534,
        "length": 3.1999999996623956
      },
      {
        "type": "ARC",
        "centre": [
          452241.6,
          6509870.2793939235
        ],
        "radius": 20.279393923934,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          452241.6,
          6509850.0
        ],
        "end": [
          452255.93969696196,
          6509855.939696962
        ],
        "chainage_start": 421.4984383151158,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452255.93969696196,
          6509855.939696961
        ],
        "end": [
          452264.06030303804,
          6509864.060303038
        ],
        "chainage_start": 437.4258370577869,
        "length": 11.484271248070275
      },
      {
        "type": "ARC",
        "centre": [
          452278.4,
          6509849.720606076
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 2.3561944901781375,
        "sweep_rad": -0.7853981633974484,
        "start": [
          452264.06030303804,
          6509864.060303038
        ],
        "end": [
          452278.4,
          6509870.0
        ],
        "chainage_start": 448.9101083058572,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452278.4000000003,
          6509869.999999999
        ],
        "end": [
          452281.6,
          6509870.0
        ],
        "chainage_start": 464.8375070485283,
        "length": 3.1999999996623956
      },
      {
        "type": "ARC",
        "centre": [
          452281.6,
          6509890.2793939235
        ],
        "radius": 20.279393923934,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          452281.6,
          6509870.0
        ],
        "end": [
          452295.93969696196,
          6509875.939696962
        ],
        "chainage_start": 468.0375070481907,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452295.93969696196,
          6509875.939696961
        ],
        "end": [
          452301.6,
          6509881.6
        ],
        "chainage_start": 483.96490579086185,
        "length": 8.00487732388148
      },
      {
        "type": "ARC",
        "centre": [
          452345.21769218997,
          6509837.982307809
        ],
        "radius": 61.6847318544633,
        "start_angle_rad": 2.356194490189676,
        "sweep_rad": -0.3805063771123655,
        "start": [
          452301.6,
          6509881.6
        ],
        "end": [
          452320.9188858848,
          6509894.679522522
        ],
        "chainage_start": 491.96978311474334,
        "length": 23.47143384108956,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452320.918885885,
          6509894.679522522
        ],
        "end": [
          452434.0689956803,
          6509943.17242672
        ],
        "chainage_start": 515.4412169558329,
        "length": 123.10365187225796
      },
      {
        "type": "ARC",
        "centre": [
          452398.6162588082,
          6510025.895479422
        ],
        "radius": 90.0,
        "start_angle_rad": -1.165904540511002,
        "sweep_rad": 0.3805063771123655,
        "start": [
          452434.0689956803,
          6509943.17242672
        ],
        "end": [
          452462.25586911495,
          6509962.255869115
        ],
        "chainage_start": 638.5448688280909,
        "length": 34.2455739401129,
        "target_radius": 90,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          452462.2558691149,
          6509962.255869115
        ],
        "end": [
          452484.06030303804,
          6509984.060303038
        ],
        "chainage_start": 672.7904427682038,
        "length": 30.836126174037027
      },
      {
        "type": "ARC",
        "centre": [
          452498.4,
          6509969.720606076
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 2.3561944901781375,
        "sweep_rad": -0.7853981633974484,
        "start": [
          452484.06030303804,
          6509984.060303038
        ],
        "end": [
          452498.4,
          6509990.0
        ],
        "chainage_start": 703.6265689422409,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452498.4000000003,
          6509989.999999999
        ],
        "end": [
          452501.6,
          6509990.0
        ],
        "chainage_start": 719.553967684912,
        "length": 3.1999999996623956
      },
      {
        "type": "ARC",
        "centre": [
          452501.6,
          6510010.2793939235
        ],
        "radius": 20.279393923934,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          452501.6,
          6509990.0
        ],
        "end": [
          452515.93969696196,
          6509995.939696962
        ],
        "chainage_start": 722.7539676845744,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452515.93969696196,
          6509995.939696961
        ],
        "end": [
          452524.06030303804,
          6510004.060303038
        ],
        "chainage_start": 738.6813664272455,
        "length": 11.484271248070275
      },
      {
        "type": "ARC",
        "centre": [
          452538.4,
          6509989.720606076
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 2.3561944901781375,
        "sweep_rad": -0.7853981633974484,
        "start": [
          452524.06030303804,
          6510004.060303038
        ],
        "end": [
          452538.4,
          6510010.0
        ],
        "chainage_start": 750.1656376753158,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452538.4000000003,
          6510009.999999999
        ],
        "end": [
          452541.6,
          6510010.0
        ],
        "chainage_start": 766.0930364179869,
        "length": 3.1999999996623956
      },
      {
        "type": "ARC",
        "centre": [
          452541.6,
          6510030.2793939235
        ],
        "radius": 20.279393923934,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          452541.6,
          6510010.0
        ],
        "end": [
          452555.93969696196,
          6510015.939696962
        ],
        "chainage_start": 769.2930364176493,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452555.93969696196,
          6510015.939696961
        ],
        "end": [
          452564.06030303804,
          6510024.060303038
        ],
        "chainage_start": 785.2204351603204,
        "length": 11.484271248070275
      },
      {
        "type": "ARC",
        "centre": [
          452578.4,
          6510009.720606076
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 2.3561944901781375,
        "sweep_rad": -0.7853981633974484,
        "start": [
          452564.06030303804,
          6510024.060303038
        ],
        "end": [
          452578.4,
          6510030.0
        ],
        "chainage_start": 796.7047064083907,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452578.4000000003,
          6510029.999999999
        ],
        "end": [
          452581.6,
          6510030.0
        ],
        "chainage_start": 812.6321051510619,
        "length": 3.1999999996623956
      },
      {
        "type": "ARC",
        "centre": [
          452581.6,
          6510050.2793939235
        ],
        "radius": 20.279393923934,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          452581.6,
          6510030.0
        ],
        "end": [
          452595.93969696196,
          6510035.939696962
        ],
        "chainage_start": 815.8321051507243,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452595.93969696196,
          6510035.939696961
        ],
        "end": [
          452601.6,
          6510041.6
        ],
        "chainage_start": 831.7595038933954,
        "length": 8.00487732388148
      },
      {
        "type": "ARC",
        "centre": [
          452645.21769218997,
          6509997.982307809
        ],
        "radius": 61.6847318544633,
        "start_angle_rad": 2.356194490189676,
        "sweep_rad": -0.3805063771123655,
        "start": [
          452601.6,
          6510041.6
        ],
        "end": [
          452620.9188858848,
          6510054.679522522
        ],
        "chainage_start": 839.7643812172769,
        "length": 23.47143384108956,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452620.918885885,
          6510054.679522522
        ],
        "end": [
          452734.0689956803,
          6510103.17242672
        ],
        "chainage_start": 863.2358150583665,
        "length": 123.10365187225796
      },
      {
        "type": "ARC",
        "centre": [
          452698.6162588082,
          6510185.895479422
        ],
        "radius": 90.0,
        "start_angle_rad": -1.165904540511002,
        "sweep_rad": 0.3805063771123655,
        "start": [
          452734.0689956803,
          6510103.17242672
        ],
        "end": [
          452762.25586911495,
          6510122.255869115
        ],
        "chainage_start": 986.3394669306244,
        "length": 34.2455739401129,
        "target_radius": 90,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          452762.2558691149,
          6510122.255869115
        ],
        "end": [
          452801.1053037997,
          6510161.1053038
        ],
        "chainage_start": 1020.5850408707373,
        "length": 54.94139742187756
      },
      {
        "type": "ARC",
        "centre": [
          452779.6316075997,
          6510182.579
        ],
        "radius": 30.368392400335694,
        "start_angle_rad": -0.7853981634015142,
        "sweep_rad": 0.7853981633974484,
        "start": [
          452801.1053037997,
          6510161.1053038
        ],
        "end": [
          452810.0,
          6510182.579
        ],
        "chainage_start": 1075.5264382926148,
        "length": 23.851279616556685,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452810.0,
          6510182.579
        ],
        "end": [
          452810.0,
          6510199.949999999
        ],
        "chainage_start": 1099.3777179091715,
        "length": 17.37099999934435
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 79.76776556489399,
        "pvi_z": 145.46143223378735,
        "bvc": 59.76776556489399,
        "evc": 99.76776556489399,
        "length": 40.0,
        "g1": 0.015825898849192322,
        "g2": 0.013543024203981669,
        "z_bvc": 145.1449142568035,
        "K_m_per_percent": 175.21768040973177
      },
      {
        "pvi_ch": 159.53553112978798,
        "pvi_z": 146.54172901353024,
        "bvc": 139.53553112978798,
        "evc": 179.53553112978798,
        "length": 40.0,
        "g1": 0.013543024203981669,
        "g2": 0.01884582819026502,
        "z_bvc": 146.2708685294506,
        "K_m_per_percent": 75.4317906214658
      },
      {
        "pvi_ch": 239.303296694682,
        "pvi_z": 148.04501861848757,
        "bvc": 219.303296694682,
        "evc": 259.303296694682,
        "length": 40.0,
        "g1": 0.01884582819026502,
        "g2": 0.02442313401838605,
        "z_bvc": 147.66810205468227,
        "K_m_per_percent": 71.71921575165952
      },
      {
        "pvi_ch": 319.07106225957597,
        "pvi_z": 149.99319744722618,
        "bvc": 299.07106225957597,
        "evc": 339.07106225957597,
        "length": 40.0,
        "g1": 0.02442313401838605,
        "g2": 0.02550539506437183,
        "z_bvc": 149.50473476685846,
        "K_m_per_percent": 369.59659731230397
      },
      {
        "pvi_ch": 398.83882782446994,
        "pvi_z": 152.027705821361,
        "bvc": 378.83882782446994,
        "evc": 418.83882782446994,
        "length": 40.0,
        "g1": 0.02550539506437183,
        "g2": 0.009972210114947571,
        "z_bvc": 151.51759792007357,
        "K_m_per_percent": 25.751318953736277
      },
      {
        "pvi_ch": 478.606593389364,
        "pvi_z": 152.823166739974,
        "bvc": 458.606593389364,
        "evc": 498.606593389364,
        "length": 40.0,
        "g1": 0.009972210114947571,
        "g2": -0.004798034110664133,
        "z_bvc": 152.62372253767504,
        "K_m_per_percent": 27.081475017616654
      },
      {
        "pvi_ch": 558.3743589542579,
        "pvi_z": 152.44043827986218,
        "bvc": 538.3743589542579,
        "evc": 578.3743589542579,
        "length": 40.0,
        "g1": -0.004798034110664133,
        "g2": -0.00584736888331705,
        "z_bvc": 152.53639896207545,
        "K_m_per_percent": 381.19388628352056
      },
      {
        "pvi_ch": 638.1421245191519,
        "pvi_z": 151.9740067296063,
        "bvc": 618.1421245191519,
        "evc": 658.1421245191519,
        "length": 40.0,
        "g1": -0.00584736888331705,
        "g2": 0.009787971590600218,
        "z_bvc": 152.09095410727264,
        "K_m_per_percent": 25.583069372059814
      },
      {
        "pvi_ch": 717.909890084046,
        "pvi_z": 152.75477135280113,
        "bvc": 697.909890084046,
        "evc": 737.909890084046,
        "length": 40.0,
        "g1": 0.009787971590600218,
        "g2": 0.017023862546816898,
        "z_bvc": 152.55901192098912,
        "K_m_per_percent": 55.27999280535619
      },
      {
        "pvi_ch": 797.6776556489399,
        "pvi_z": 154.1127268294446,
        "bvc": 777.6776556489399,
        "evc": 817.6776556489399,
        "length": 40.0,
        "g1": 0.017023862546816898,
        "g2": 0.008164509753206876,
        "z_bvc": 153.77224957850825,
        "K_m_per_percent": 45.150024986984114
      },
      {
        "pvi_ch": 877.4454212138339,
        "pvi_z": 154.7639915293907,
        "bvc": 857.4454212138339,
        "evc": 897.4454212138339,
        "length": 40.0,
        "g1": 0.008164509753206876,
        "g2": 0.01424761955460209,
        "z_bvc": 154.60070133432654,
        "K_m_per_percent": 65.7558408543368
      },
      {
        "pvi_ch": 957.213186778728,
        "pvi_z": 155.90049230588,
        "bvc": 937.213186778728,
        "evc": 977.213186778728,
        "length": 40.0,
        "g1": 0.01424761955460209,
        "g2": 0.041874992246673716,
        "z_bvc": 155.61553991478795,
        "K_m_per_percent": 14.47839446980024
      },
      {
        "pvi_ch": 1036.980952343622,
        "pvi_z": 159.24076687044442,
        "bvc": 1016.980952343622,
        "evc": 1056.980952343622,
        "length": 40.0,
        "g1": 0.041874992246673716,
        "g2": 0.04499777904386397,
        "z_bvc": 158.40326702551096,
        "K_m_per_percent": 128.09071703515028
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451861.2123,
        "northing": 6509702.4677,
        "existing_z": 144.199,
        "design_z": 144.199,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451869.0451,
        "northing": 6509708.6429,
        "existing_z": 144.1915,
        "design_z": 144.3573,
        "delta_z": 0.1658
      },
      {
        "ch": 20.0,
        "easting": 451878.8362,
        "northing": 6509710.0,
        "existing_z": 144.3141,
        "design_z": 144.5156,
        "delta_z": 0.2014
      },
      {
        "ch": 30.0,
        "easting": 451888.6836,
        "northing": 6509711.2774,
        "existing_z": 144.4718,
        "design_z": 144.6738,
        "delta_z": 0.202
      },
      {
        "ch": 40.0,
        "easting": 451896.8652,
        "northing": 6509716.8652,
        "existing_z": 144.704,
        "design_z": 144.8321,
        "delta_z": 0.1281
      },
      {
        "ch": 50.0,
        "easting": 451904.0655,
        "northing": 6509723.7966,
        "existing_z": 144.9047,
        "design_z": 144.9903,
        "delta_z": 0.0857
      },
      {
        "ch": 59.7678,
        "easting": 451912.5966,
        "northing": 6509728.4561,
        "existing_z": 145.0941,
        "design_z": 145.1449,
        "delta_z": 0.0508
      },
      {
        "ch": 60.0,
        "easting": 451912.8166,
        "northing": 6509728.5304,
        "existing_z": 145.0993,
        "design_z": 145.1486,
        "delta_z": 0.0492
      },
      {
        "ch": 70.0,
        "easting": 451922.6586,
        "northing": 6509730.0,
        "existing_z": 145.3192,
        "design_z": 145.3039,
        "delta_z": -0.0154
      },
      {
        "ch": 79.7678,
        "easting": 451932.4263,
        "northing": 6509730.0,
        "existing_z": 145.529,
        "design_z": 145.45,
        "delta_z": -0.079
      },
      {
        "ch": 80.0,
        "easting": 451932.6586,
        "northing": 6509730.0,
        "existing_z": 145.5338,
        "design_z": 145.4534,
        "delta_z": -0.0804
      },
      {
        "ch": 90.0,
        "easting": 451942.6586,
        "northing": 6509730.0,
        "existing_z": 145.7421,
        "design_z": 145.5973,
        "delta_z": -0.1448
      },
      {
        "ch": 99.7678,
        "easting": 451952.4157,
        "northing": 6509730.3492,
        "existing_z": 145.9084,
        "design_z": 145.7323,
        "delta_z": -0.1762
      },
      {
        "ch": 100.0,
        "easting": 451952.6469,
        "northing": 6509730.3707,
        "existing_z": 145.9097,
        "design_z": 145.7354,
        "delta_z": -0.1743
      },
      {
        "ch": 110.0,
        "easting": 451962.5219,
        "northing": 6509731.9086,
        "existing_z": 145.9664,
        "design_z": 145.8709,
        "delta_z": -0.0955
      },
      {
        "ch": 120.0,
        "easting": 451972.1413,
        "northing": 6509734.619,
        "existing_z": 146.0189,
        "design_z": 146.0063,
        "delta_z": -0.0126
      },
      {
        "ch": 130.0,
        "easting": 451981.3665,
        "northing": 6509738.4629,
        "existing_z": 146.0506,
        "design_z": 146.1417,
        "delta_z": 0.0912
      },
      {
        "ch": 139.5355,
        "easting": 451989.674,
        "northing": 6509743.1332,
        "existing_z": 146.098,
        "design_z": 146.2709,
        "delta_z": 0.1728
      },
      {
        "ch": 140.0,
        "easting": 451990.0645,
        "northing": 6509743.3848,
        "existing_z": 146.1009,
        "design_z": 146.2772,
        "delta_z": 0.1762
      },
      {
        "ch": 150.0,
        "easting": 451998.3889,
        "northing": 6509748.9259,
        "existing_z": 146.1903,
        "design_z": 146.4198,
        "delta_z": 0.2296
      },
      {
        "ch": 159.5355,
        "easting": 452006.3229,
        "northing": 6509754.2153,
        "existing_z": 146.4335,
        "design_z": 146.5682,
        "delta_z": 0.1347
      },
      {
        "ch": 160.0,
        "easting": 452006.7094,
        "northing": 6509754.4729,
        "existing_z": 146.4481,
        "design_z": 146.5758,
        "delta_z": 0.1277
      },
      {
        "ch": 170.0,
        "easting": 452015.0299,
        "northing": 6509760.0199,
        "existing_z": 146.8004,
        "design_z": 146.745,
        "delta_z": -0.0555
      },
      {
        "ch": 179.5355,
        "easting": 452023.2851,
        "northing": 6509764.7709,
        "existing_z": 147.1443,
        "design_z": 146.9186,
        "delta_z": -0.2257
      },
      {
        "ch": 180.0,
        "easting": 452023.7066,
        "northing": 6509764.9659,
        "existing_z": 147.16,
        "design_z": 146.9274,
        "delta_z": -0.2326
      },
      {
        "ch": 190.0,
        "easting": 452033.1242,
        "northing": 6509768.2883,
        "existing_z": 147.4385,
        "design_z": 147.1159,
        "delta_z": -0.3226
      },
      {
        "ch": 200.0,
        "easting": 452042.9849,
        "northing": 6509769.8687,
        "existing_z": 147.5806,
        "design_z": 147.3043,
        "delta_z": -0.2763
      },
      {
        "ch": 210.0,
        "easting": 452052.9818,
        "northing": 6509770.0,
        "existing_z": 147.6258,
        "design_z": 147.4928,
        "delta_z": -0.133
      },
      {
        "ch": 219.3033,
        "easting": 452062.2446,
        "northing": 6509770.7421,
        "existing_z": 147.6542,
        "design_z": 147.6681,
        "delta_z": 0.0139
      },
      {
        "ch": 220.0,
        "easting": 452062.9313,
        "northing": 6509770.86,
        "existing_z": 147.6604,
        "design_z": 147.6813,
        "delta_z": 0.0209
      },
      {
        "ch": 230.0,
        "easting": 452072.5654,
        "northing": 6509773.4891,
        "existing_z": 147.7953,
        "design_z": 147.8777,
        "delta_z": 0.0824
      },
      {
        "ch": 239.3033,
        "easting": 452080.9714,
        "northing": 6509777.45,
        "existing_z": 147.9723,
        "design_z": 148.0729,
        "delta_z": 0.1006
      },
      {
        "ch": 240.0,
        "easting": 452081.5723,
        "northing": 6509777.8025,
        "existing_z": 147.9873,
        "design_z": 148.088,
        "delta_z": 0.1008
      },
      {
        "ch": 250.0,
        "easting": 452089.9322,
        "northing": 6509783.2882,
        "existing_z": 148.1961,
        "design_z": 148.3123,
        "delta_z": 0.1162
      },
      {
        "ch": 259.3033,
        "easting": 452097.673,
        "northing": 6509788.4487,
        "existing_z": 148.4113,
        "design_z": 148.5335,
        "delta_z": 0.1222
      },
      {
        "ch": 260.0,
        "easting": 452098.2527,
        "northing": 6509788.8352,
        "existing_z": 148.4262,
        "design_z": 148.5505,
        "delta_z": 0.1243
      },
      {
        "ch": 270.0,
        "easting": 452106.5732,
        "northing": 6509794.3822,
        "existing_z": 148.8712,
        "design_z": 148.7947,
        "delta_z": -0.0765
      },
      {
        "ch": 280.0,
        "easting": 452114.8937,
        "northing": 6509799.9292,
        "existing_z": 149.3667,
        "design_z": 149.039,
        "delta_z": -0.3278
      },
      {
        "ch": 290.0,
        "easting": 452123.558,
        "northing": 6509804.8976,
        "existing_z": 149.7675,
        "design_z": 149.2832,
        "delta_z": -0.4843
      },
      {
        "ch": 299.0711,
        "easting": 452132.0681,
        "northing": 6509808.0086,
        "existing_z": 149.9539,
        "design_z": 149.5047,
        "delta_z": -0.4492
      },
      {
        "ch": 300.0,
        "easting": 452132.9658,
        "northing": 6509808.2477,
        "existing_z": 149.9656,
        "design_z": 149.5274,
        "delta_z": -0.4381
      },
      {
        "ch": 310.0,
        "easting": 452142.8217,
        "northing": 6509809.8572,
        "existing_z": 149.996,
        "design_z": 149.7733,
        "delta_z": -0.2227
      },
      {
        "ch": 319.0711,
        "easting": 452151.8893,
        "northing": 6509810.0,
        "existing_z": 149.921,
        "design_z": 149.9986,
        "delta_z": 0.0776
      },
      {
        "ch": 320.0,
        "easting": 452152.8183,
        "northing": 6509810.0,
        "existing_z": 149.9157,
        "design_z": 150.0218,
        "delta_z": 0.1061
      },
      {
        "ch": 330.0,
        "easting": 452162.7973,
        "northing": 6509810.3839,
        "existing_z": 149.9035,
        "design_z": 150.2731,
        "delta_z": 0.3696
      },
      {
        "ch": 339.0711,
        "easting": 452171.3665,
        "northing": 6509813.2421,
        "existing_z": 150.1644,
        "design_z": 150.5033,
        "delta_z": 0.3389
      },
      {
        "ch": 340.0,
        "easting": 452172.1833,
        "northing": 6509813.6844,
        "existing_z": 150.2088,
        "design_z": 150.527,
        "delta_z": 0.3182
      },
      {
        "ch": 350.0,
        "easting": 452179.9365,
        "northing": 6509819.9365,
        "existing_z": 150.798,
        "design_z": 150.7821,
        "delta_z": -0.016
      },
      {
        "ch": 360.0,
        "easting": 452187.2886,
        "northing": 6509826.685,
        "existing_z": 151.3453,
        "design_z": 151.0371,
        "delta_z": -0.3082
      },
      {
        "ch": 370.0,
        "easting": 452196.6428,
        "northing": 6509829.9237,
        "existing_z": 151.4889,
        "design_z": 151.2922,
        "delta_z": -0.1967
      },
      {
        "ch": 378.8388,
        "easting": 452205.4558,
        "northing": 6509830.3699,
        "existing_z": 151.4066,
        "design_z": 151.5176,
        "delta_z": 0.111
      },
      {
        "ch": 380.0,
        "easting": 452206.5889,
        "northing": 6509830.6232,
        "existing_z": 151.4196,
        "design_z": 151.547,
        "delta_z": 0.1274
      },
      {
        "ch": 390.0,
        "easting": 452215.2991,
        "northing": 6509835.3266,
        "existing_z": 151.7989,
        "design_z": 151.7781,
        "delta_z": -0.0208
      },
      {
        "ch": 398.8388,
        "easting": 452221.5627,
        "northing": 6509841.5627,
        "existing_z": 152.3115,
        "design_z": 151.95,
        "delta_z": -0.3615
      },
      {
        "ch": 400.0,
        "easting": 452222.3837,
        "northing": 6509842.3837,
        "existing_z": 152.3727,
        "design_z": 151.9704,
        "delta_z": -0.4023
      },
      {
        "ch": 410.0,
        "easting": 452230.3312,
        "northing": 6509848.3257,
        "existing_z": 152.7015,
        "design_z": 152.1238,
        "delta_z": -0.5777
      },
      {
        "ch": 418.8388,
        "easting": 452238.9404,
        "northing": 6509850.0,
        "existing_z": 152.6036,
        "design_z": 152.2272,
        "delta_z": -0.3764
      },
      {
        "ch": 420.0,
        "easting": 452240.1016,
        "northing": 6509850.0,
        "existing_z": 152.569,
        "design_z": 152.2387,
        "delta_z": -0.3303
      },
      {
        "ch": 430.0,
        "easting": 452249.8547,
        "northing": 6509851.7561,
        "existing_z": 152.4928,
        "design_z": 152.3385,
        "delta_z": -0.1544
      },
      {
        "ch": 440.0,
        "easting": 452257.7599,
        "northing": 6509857.7599,
        "existing_z": 152.9706,
        "design_z": 152.4382,
        "delta_z": -0.5324
      },
      {
        "ch": 450.0,
        "easting": 452264.8513,
        "northing": 6509864.8099,
        "existing_z": 153.4987,
        "design_z": 152.5379,
        "delta_z": -0.9608
      },
      {
        "ch": 458.6066,
        "easting": 452272.2667,
        "northing": 6509869.0503,
        "existing_z": 153.6234,
        "design_z": 152.6237,
        "delta_z": -0.9997
      },
      {
        "ch": 460.0,
        "easting": 452273.6082,
        "northing": 6509869.4258,
        "existing_z": 153.5968,
        "design_z": 152.6373,
        "delta_z": -0.9595
      },
      {
        "ch": 470.0,
        "easting": 452283.5594,
        "northing": 6509870.0949,
        "existing_z": 153.1831,
        "design_z": 152.7134,
        "delta_z": -0.4697
      },
      {
        "ch": 478.6066,
        "easting": 452291.6971,
        "northing": 6509872.6924,
        "existing_z": 153.0522,
        "design_z": 152.7493,
        "delta_z": -0.3029
      },
      {
        "ch": 480.0,
        "easting": 452292.8807,
        "northing": 6509873.4271,
        "existing_z": 153.0631,
        "design_z": 152.7526,
        "delta_z": -0.3106
      },
      {
        "ch": 490.0,
        "easting": 452300.2072,
        "northing": 6509880.2072,
        "existing_z": 153.3132,
        "design_z": 152.7548,
        "delta_z": -0.5584
      },
      {
        "ch": 498.6066,
        "easting": 452306.5361,
        "northing": 6509886.0317,
        "existing_z": 153.4573,
        "design_z": 152.7272,
        "delta_z": -0.7301
      },
      {
        "ch": 500.0,
        "easting": 452307.6313,
        "northing": 6509886.8931,
        "existing_z": 153.4626,
        "design_z": 152.7205,
        "delta_z": -0.742
      },
      {
        "ch": 510.0,
        "easting": 452316.0186,
        "northing": 6509892.3185,
        "existing_z": 153.4401,
        "design_z": 152.6725,
        "delta_z": -0.7676
      },
      {
        "ch": 520.0,
        "easting": 452325.1091,
        "northing": 6509896.4753,
        "existing_z": 153.257,
        "design_z": 152.6246,
        "delta_z": -0.6324
      },
      {
        "ch": 530.0,
        "easting": 452334.3005,
        "northing": 6509900.4145,
        "existing_z": 153.0446,
        "design_z": 152.5766,
        "delta_z": -0.4681
      },
      {
        "ch": 538.3744,
        "easting": 452341.9978,
        "northing": 6509903.7133,
        "existing_z": 152.8834,
        "design_z": 152.5364,
        "delta_z": -0.347
      },
      {
        "ch": 540.0,
        "easting": 452343.492,
        "northing": 6509904.3537,
        "existing_z": 152.8493,
        "design_z": 152.5286,
        "delta_z": -0.3208
      },
      {
        "ch": 550.0,
        "easting": 452352.6834,
        "northing": 6509908.2929,
        "existing_z": 152.6336,
        "design_z": 152.4788,
        "delta_z": -0.1547
      },
      {
        "ch": 558.3744,
        "easting": 452360.3807,
        "northing": 6509911.5917,
        "existing_z": 152.4791,
        "design_z": 152.4352,
        "delta_z": -0.0439
      },
      {
        "ch": 560.0,
        "easting": 452361.8749,
        "northing": 6509912.2321,
        "existing_z": 152.4516,
        "design_z": 152.4265,
        "delta_z": -0.0251
      },
      {
        "ch": 570.0,
        "easting": 452371.0663,
        "northing": 6509916.1713,
        "existing_z": 152.271,
        "design_z": 152.3715,
        "delta_z": 0.1005
      },
      {
        "ch": 578.3744,
        "easting": 452378.7636,
        "northing": 6509919.4701,
        "existing_z": 152.1535,
        "design_z": 152.3235,
        "delta_z": 0.17
      },
      {
        "ch": 580.0,
        "easting": 452380.2578,
        "northing": 6509920.1105,
        "existing_z": 152.1276,
        "design_z": 152.314,
        "delta_z": 0.1864
      },
      {
        "ch": 590.0,
        "easting": 452389.4492,
        "northing": 6509924.0497,
        "existing_z": 151.9455,
        "design_z": 152.2555,
        "delta_z": 0.31
      },
      {
        "ch": 600.0,
        "easting": 452398.6407,
        "northing": 6509927.9889,
        "existing_z": 151.8612,
        "design_z": 152.197,
        "delta_z": 0.3359
      },
      {
        "ch": 610.0,
        "easting": 452407.8321,
        "northing": 6509931.9281,
        "existing_z": 151.7606,
        "design_z": 152.1386,
        "delta_z": 0.378
      },
      {
        "ch": 618.1421,
        "easting": 452415.3159,
        "northing": 6509935.1354,
        "existing_z": 151.7433,
        "design_z": 152.091,
        "delta_z": 0.3477
      },
      {
        "ch": 620.0,
        "easting": 452417.0236,
        "northing": 6509935.8672,
        "existing_z": 151.7416,
        "design_z": 152.0808,
        "delta_z": 0.3392
      },
      {
        "ch": 630.0,
        "easting": 452426.215,
        "northing": 6509939.8064,
        "existing_z": 151.7006,
        "design_z": 152.0491,
        "delta_z": 0.3485
      },
      {
        "ch": 638.1421,
        "easting": 452433.6988,
        "northing": 6509943.0138,
        "existing_z": 151.6728,
        "design_z": 152.0522,
        "delta_z": 0.3794
      },
      {
        "ch": 640.0,
        "easting": 452435.4018,
        "northing": 6509943.7564,
        "existing_z": 151.6734,
        "design_z": 152.0565,
        "delta_z": 0.3832
      },
      {
        "ch": 650.0,
        "easting": 452444.2827,
        "northing": 6509948.3418,
        "existing_z": 151.6896,
        "design_z": 152.103,
        "delta_z": 0.4134
      },
      {
        "ch": 658.1421,
        "easting": 452451.1026,
        "northing": 6509952.7847,
        "existing_z": 151.7592,
        "design_z": 152.1698,
        "delta_z": 0.4106
      },
      {
        "ch": 660.0,
        "easting": 452452.6005,
        "northing": 6509953.8837,
        "existing_z": 151.7942,
        "design_z": 152.188,
        "delta_z": 0.3938
      },
      {
        "ch": 670.0,
        "easting": 452460.2525,
        "northing": 6509960.3136,
        "existing_z": 151.9802,
        "design_z": 152.2858,
        "delta_z": 0.3056
      },
      {
        "ch": 680.0,
        "easting": 452467.3538,
        "northing": 6509967.3538,
        "existing_z": 152.1422,
        "design_z": 152.3837,
        "delta_z": 0.2415
      },
      {
        "ch": 690.0,
        "easting": 452474.4249,
        "northing": 6509974.4249,
        "existing_z": 152.3439,
        "design_z": 152.4816,
        "delta_z": 0.1377
      },
      {
        "ch": 697.9099,
        "easting": 452480.018,
        "northing": 6509980.018,
        "existing_z": 152.51,
        "design_z": 152.559,
        "delta_z": 0.049
      },
      {
        "ch": 700.0,
        "easting": 452481.4959,
        "northing": 6509981.4959,
        "existing_z": 152.5475,
        "design_z": 152.5799,
        "delta_z": 0.0323
      },
      {
        "ch": 710.0,
        "easting": 452489.1956,
        "northing": 6509987.7908,
        "existing_z": 152.6359,
        "design_z": 152.6906,
        "delta_z": 0.0546
      },
      {
        "ch": 717.9099,
        "easting": 452496.7577,
        "northing": 6509989.9334,
        "existing_z": 152.6236,
        "design_z": 152.791,
        "delta_z": 0.1674
      },
      {
        "ch": 720.0,
        "easting": 452498.846,
        "northing": 6509990.0,
        "existing_z": 152.6003,
        "design_z": 152.8194,
        "delta_z": 0.2191
      },
      {
        "ch": 730.0,
        "easting": 452508.6928,
        "northing": 6509991.2808,
        "existing_z": 152.5435,
        "design_z": 152.9663,
        "delta_z": 0.4227
      },
      {
        "ch": 737.9099,
        "easting": 452515.3839,
        "northing": 6509995.4047,
        "existing_z": 152.7294,
        "design_z": 153.0952,
        "delta_z": 0.3659
      },
      {
        "ch": 740.0,
        "easting": 452516.8721,
        "northing": 6509996.8721,
        "existing_z": 152.8031,
        "design_z": 153.1308,
        "delta_z": 0.3278
      },
      {
        "ch": 750.0,
        "easting": 452523.9432,
        "northing": 6510003.9432,
        "existing_z": 153.1628,
        "design_z": 153.3011,
        "delta_z": 0.1383
      },
      {
        "ch": 760.0,
        "easting": 452532.3982,
        "northing": 6510009.0915,
        "existing_z": 153.4229,
        "design_z": 153.4713,
        "delta_z": 0.0485
      },
      {
        "ch": 770.0,
        "easting": 452542.3068,
        "northing": 6510010.0123,
        "existing_z": 153.4532,
        "design_z": 153.6415,
        "delta_z": 0.1884
      },
      {
        "ch": 777.6777,
        "easting": 452549.7478,
        "northing": 6510011.7088,
        "existing_z": 153.5563,
        "design_z": 153.7722,
        "delta_z": 0.2159
      },
      {
        "ch": 780.0,
        "easting": 452551.8164,
        "northing": 6510012.7614,
        "existing_z": 153.615,
        "design_z": 153.8112,
        "delta_z": 0.1962
      },
      {
        "ch": 790.0,
        "easting": 452559.3194,
        "northing": 6510019.3194,
        "existing_z": 154.0093,
        "design_z": 153.9652,
        "delta_z": -0.0441
      },
      {
        "ch": 797.6777,
        "easting": 452564.7645,
        "northing": 6510024.7315,
        "existing_z": 154.3367,
        "design_z": 154.0684,
        "delta_z": -0.2683
      },
      {
        "ch": 800.0,
        "easting": 452566.5691,
        "northing": 6510026.1913,
        "existing_z": 154.4216,
        "design_z": 154.0971,
        "delta_z": -0.3246
      },
      {
        "ch": 810.0,
        "easting": 452575.7753,
        "northing": 6510029.8294,
        "existing_z": 154.5336,
        "design_z": 154.2068,
        "delta_z": -0.3267
      },
      {
        "ch": 817.6777,
        "easting": 452583.443,
        "northing": 6510030.0839,
        "existing_z": 154.4086,
        "design_z": 154.276,
        "delta_z": -0.1326
      },
      {
        "ch": 820.0,
        "easting": 452585.7386,
        "northing": 6510030.4268,
        "existing_z": 154.3927,
        "design_z": 154.295,
        "delta_z": -0.0977
      },
      {
        "ch": 830.0,
        "easting": 452594.6432,
        "northing": 6510034.751,
        "existing_z": 154.493,
        "design_z": 154.3766,
        "delta_z": -0.1164
      },
      {
        "ch": 840.0,
        "easting": 452601.7669,
        "northing": 6510041.7663,
        "existing_z": 154.7723,
        "design_z": 154.4583,
        "delta_z": -0.3141
      },
      {
        "ch": 850.0,
        "easting": 452609.4036,
        "northing": 6510048.2054,
        "existing_z": 154.9586,
        "design_z": 154.5399,
        "delta_z": -0.4187
      },
      {
        "ch": 857.4454,
        "easting": 452615.7115,
        "northing": 6510052.1523,
        "existing_z": 154.97,
        "design_z": 154.6007,
        "delta_z": -0.3693
      },
      {
        "ch": 860.0,
        "easting": 452617.9795,
        "northing": 6510053.3275,
        "existing_z": 154.9582,
        "design_z": 154.6221,
        "delta_z": -0.3361
      },
      {
        "ch": 870.0,
        "easting": 452627.1362,
        "northing": 6510057.3441,
        "existing_z": 154.8337,
        "design_z": 154.7152,
        "delta_z": -0.1185
      },
      {
        "ch": 877.4454,
        "easting": 452633.9796,
        "northing": 6510060.277,
        "existing_z": 154.7228,
        "design_z": 154.7944,
        "delta_z": 0.0716
      },
      {
        "ch": 880.0,
        "easting": 452636.3276,
        "northing": 6510061.2833,
        "existing_z": 154.6815,
        "design_z": 154.8235,
        "delta_z": 0.1421
      },
      {
        "ch": 890.0,
        "easting": 452645.5191,
        "northing": 6510065.2225,
        "existing_z": 154.4982,
        "design_z": 154.9471,
        "delta_z": 0.4489
      },
      {
        "ch": 897.4454,
        "easting": 452652.3625,
        "northing": 6510068.1553,
        "existing_z": 154.3789,
        "design_z": 155.0489,
        "delta_z": 0.6701
      },
      {
        "ch": 900.0,
        "easting": 452654.7105,
        "northing": 6510069.1616,
        "existing_z": 154.3604,
        "design_z": 155.0853,
        "delta_z": 0.7249
      },
      {
        "ch": 910.0,
        "easting": 452663.902,
        "northing": 6510073.1008,
        "existing_z": 154.3568,
        "design_z": 155.2278,
        "delta_z": 0.871
      },
      {
        "ch": 920.0,
        "easting": 452673.0934,
        "northing": 6510077.04,
        "existing_z": 154.4154,
        "design_z": 155.3703,
        "delta_z": 0.9549
      },
      {
        "ch": 930.0,
        "easting": 452682.2849,
        "northing": 6510080.9792,
        "existing_z": 154.5872,
        "design_z": 155.5128,
        "delta_z": 0.9255
      },
      {
        "ch": 937.2132,
        "easting": 452688.9148,
        "northing": 6510083.8206,
        "existing_z": 154.6946,
        "design_z": 155.6155,
        "delta_z": 0.9209
      },
      {
        "ch": 940.0,
        "easting": 452691.4763,
        "northing": 6510084.9184,
        "existing_z": 154.7595,
        "design_z": 155.6579,
        "delta_z": 0.8985
      },
      {
        "ch": 950.0,
        "easting": 452700.6678,
        "northing": 6510088.8576,
        "existing_z": 155.0568,
        "design_z": 155.8542,
        "delta_z": 0.7974
      },
      {
        "ch": 957.2132,
        "easting": 452707.2977,
        "northing": 6510091.699,
        "existing_z": 155.3189,
        "design_z": 156.0386,
        "delta_z": 0.7197
      },
      {
        "ch": 960.0,
        "easting": 452709.8592,
        "northing": 6510092.7968,
        "existing_z": 155.4296,
        "design_z": 156.1195,
        "delta_z": 0.6899
      },
      {
        "ch": 970.0,
        "easting": 452719.0507,
        "northing": 6510096.736,
        "existing_z": 155.8648,
        "design_z": 156.4539,
        "delta_z": 0.5891
      },
      {
        "ch": 977.2132,
        "easting": 452725.6806,
        "northing": 6510099.5774,
        "existing_z": 156.1624,
        "design_z": 156.738,
        "delta_z": 0.5756
      },
      {
        "ch": 980.0,
        "easting": 452728.2421,
        "northing": 6510100.6752,
        "existing_z": 156.2735,
        "design_z": 156.8547,
        "delta_z": 0.5812
      },
      {
        "ch": 990.0,
        "easting": 452737.4033,
        "northing": 6510104.6824,
        "existing_z": 156.6562,
        "design_z": 157.2734,
        "delta_z": 0.6172
      },
      {
        "ch": 1000.0,
        "easting": 452746.1692,
        "northing": 6510109.484,
        "existing_z": 157.0916,
        "design_z": 157.6922,
        "delta_z": 0.6006
      },
      {
        "ch": 1010.0,
        "easting": 452754.3487,
        "northing": 6510115.228,
        "existing_z": 157.6727,
        "design_z": 158.1109,
        "delta_z": 0.4382
      },
      {
        "ch": 1016.981,
        "easting": 452759.6571,
        "northing": 6510119.7591,
        "existing_z": 158.1097,
        "design_z": 158.4033,
        "delta_z": 0.2936
      },
      {
        "ch": 1020.0,
        "easting": 452761.8408,
        "northing": 6510121.8435,
        "existing_z": 158.3034,
        "design_z": 158.53,
        "delta_z": 0.2266
      },
      {
        "ch": 1030.0,
        "easting": 452768.9133,
        "northing": 6510128.9133,
        "existing_z": 158.9214,
        "design_z": 158.9551,
        "delta_z": 0.0337
      },
      {
        "ch": 1036.981,
        "easting": 452773.8495,
        "northing": 6510133.8495,
        "existing_z": 159.3273,
        "design_z": 159.2564,
        "delta_z": -0.0709
      },
      {
        "ch": 1040.0,
        "easting": 452775.9843,
        "northing": 6510135.9843,
        "existing_z": 159.4942,
        "design_z": 159.3879,
        "delta_z": -0.1064
      },
      {
        "ch": 1050.0,
        "easting": 452783.0554,
        "northing": 6510143.0554,
        "existing_z": 160.003,
        "design_z": 159.8285,
        "delta_z": -0.1745
      },
      {
        "ch": 1056.981,
        "easting": 452787.9917,
        "northing": 6510147.9917,
        "existing_z": 160.3179,
        "design_z": 160.1407,
        "delta_z": -0.1772
      },
      {
        "ch": 1060.0,
        "easting": 452790.1265,
        "northing": 6510150.1265,
        "existing_z": 160.443,
        "design_z": 160.2766,
        "delta_z": -0.1665
      },
      {
        "ch": 1070.0,
        "easting": 452797.1975,
        "northing": 6510157.1975,
        "existing_z": 160.7799,
        "design_z": 160.7266,
        "delta_z": -0.0533
      },
      {
        "ch": 1080.0,
        "easting": 452804.0246,
        "northing": 6510164.4897,
        "existing_z": 161.0815,
        "design_z": 161.1765,
        "delta_z": 0.095
      },
      {
        "ch": 1090.0,
        "easting": 452808.5636,
        "northing": 6510173.3496,
        "existing_z": 161.4815,
        "design_z": 161.6265,
        "delta_z": 0.145
      },
      {
        "ch": 1100.0,
        "easting": 452810.0,
        "northing": 6510183.2013,
        "existing_z": 161.9775,
        "design_z": 162.0765,
        "delta_z": 0.099
      },
      {
        "ch": 1110.0,
        "easting": 452810.0,
        "northing": 6510193.2013,
        "existing_z": 162.508,
        "design_z": 162.5265,
        "delta_z": 0.0184
      },
      {
        "ch": 1116.7487,
        "easting": 452810.0,
        "northing": 6510199.95,
        "existing_z": 162.8301,
        "design_z": 162.8301,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD079",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 33.04,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.49,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451985.47625623766,
          6509946.739955268
        ],
        "end": [
          452014.09,
          6509930.22
        ],
        "chainage_start": 0,
        "length": 33.04020663009741
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451985.4763,
        "northing": 6509946.74,
        "existing_z": 162.384,
        "design_z": 162.384,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451994.1365,
        "northing": 6509941.74,
        "existing_z": 163.0317,
        "design_z": 163.0334,
        "delta_z": 0.0017
      },
      {
        "ch": 20.0,
        "easting": 452002.7968,
        "northing": 6509936.74,
        "existing_z": 163.6948,
        "design_z": 163.6828,
        "delta_z": -0.0121
      },
      {
        "ch": 30.0,
        "easting": 452011.4571,
        "northing": 6509931.7401,
        "existing_z": 164.323,
        "design_z": 164.3321,
        "delta_z": 0.0091
      },
      {
        "ch": 33.0402,
        "easting": 452014.09,
        "northing": 6509930.22,
        "existing_z": 164.5296,
        "design_z": 164.5296,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD080",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 217.384,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.93,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450923.55,
          6509860.12
        ],
        "end": [
          450989.6018,
          6509926.171800001
        ],
        "chainage_start": 0,
        "length": 93.4113513795066
      },
      {
        "type": "ARC",
        "centre": [
          450959.9036,
          6509955.870000001
        ],
        "radius": 41.99959721804653,
        "start_angle_rad": -0.7853981634052882,
        "sweep_rad": 1.5707963267948966,
        "start": [
          450989.6018,
          6509926.171800001
        ],
        "end": [
          450989.6018,
          6509985.568200001
        ],
        "chainage_start": 93.4113513795066,
        "length": 65.97281303697265,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450989.60180000024,
          6509985.568200001
        ],
        "end": [
          450948.59,
          6510026.58
        ],
        "chainage_start": 159.38416441647925,
        "length": 57.99944377713771
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 72.46120273120566,
        "pvi_z": 140.24351141908352,
        "bvc": 52.46120273120566,
        "evc": 92.46120273120566,
        "length": 40.0,
        "g1": -0.04929737591443624,
        "g2": -0.038341147993604364,
        "z_bvc": 141.22945893737224,
        "K_m_per_percent": 36.50891555837852
      },
      {
        "pvi_ch": 144.92240546241132,
        "pvi_z": 137.4652657213718,
        "bvc": 124.92240546241132,
        "evc": 164.92240546241132,
        "length": 40.0,
        "g1": -0.038341147993604364,
        "g2": -0.01744721846464696,
        "z_bvc": 138.23208868124388,
        "K_m_per_percent": 19.144316508085772
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450923.55,
        "northing": 6509860.12,
        "existing_z": 143.8157,
        "design_z": 143.8157,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450930.6211,
        "northing": 6509867.1911,
        "existing_z": 143.3574,
        "design_z": 143.3227,
        "delta_z": -0.0348
      },
      {
        "ch": 20.0,
        "easting": 450937.6921,
        "northing": 6509874.2621,
        "existing_z": 142.872,
        "design_z": 142.8297,
        "delta_z": -0.0423
      },
      {
        "ch": 30.0,
        "easting": 450944.7632,
        "northing": 6509881.3332,
        "existing_z": 142.3799,
        "design_z": 142.3367,
        "delta_z": -0.0432
      },
      {
        "ch": 40.0,
        "easting": 450951.8343,
        "northing": 6509888.4043,
        "existing_z": 141.8865,
        "design_z": 141.8438,
        "delta_z": -0.0427
      },
      {
        "ch": 50.0,
        "easting": 450958.9053,
        "northing": 6509895.4753,
        "existing_z": 141.3466,
        "design_z": 141.3508,
        "delta_z": 0.0042
      },
      {
        "ch": 52.4612,
        "easting": 450960.6457,
        "northing": 6509897.2157,
        "existing_z": 141.2129,
        "design_z": 141.2295,
        "delta_z": 0.0165
      },
      {
        "ch": 60.0,
        "easting": 450965.9764,
        "northing": 6509902.5464,
        "existing_z": 140.8073,
        "design_z": 140.8656,
        "delta_z": 0.0583
      },
      {
        "ch": 70.0,
        "easting": 450973.0475,
        "northing": 6509909.6175,
        "existing_z": 140.2676,
        "design_z": 140.407,
        "delta_z": 0.1393
      },
      {
        "ch": 72.4612,
        "easting": 450974.7878,
        "northing": 6509911.3578,
        "existing_z": 140.14,
        "design_z": 140.2983,
        "delta_z": 0.1583
      },
      {
        "ch": 80.0,
        "easting": 450980.1185,
        "northing": 6509916.6885,
        "existing_z": 139.7635,
        "design_z": 139.9757,
        "delta_z": 0.2123
      },
      {
        "ch": 90.0,
        "easting": 450987.1896,
        "northing": 6509923.7596,
        "existing_z": 139.2856,
        "design_z": 139.5719,
        "delta_z": 0.2863
      },
      {
        "ch": 92.4612,
        "easting": 450988.9299,
        "northing": 6509925.4999,
        "existing_z": 139.1718,
        "design_z": 139.4767,
        "delta_z": 0.3049
      },
      {
        "ch": 100.0,
        "easting": 450993.8769,
        "northing": 6509931.1763,
        "existing_z": 138.8004,
        "design_z": 139.1876,
        "delta_z": 0.3873
      },
      {
        "ch": 110.0,
        "easting": 450998.7426,
        "northing": 6509939.8857,
        "existing_z": 138.3419,
        "design_z": 138.8042,
        "delta_z": 0.4623
      },
      {
        "ch": 120.0,
        "easting": 451001.4169,
        "northing": 6509949.497,
        "existing_z": 137.9197,
        "design_z": 138.4208,
        "delta_z": 0.5012
      },
      {
        "ch": 124.9224,
        "easting": 451001.8773,
        "northing": 6509954.395,
        "existing_z": 137.7312,
        "design_z": 138.2321,
        "delta_z": 0.5008
      },
      {
        "ch": 130.0,
        "easting": 451001.7488,
        "northing": 6509959.4678,
        "existing_z": 137.5489,
        "design_z": 138.0441,
        "delta_z": 0.4953
      },
      {
        "ch": 140.0,
        "easting": 450999.7197,
        "northing": 6509969.2357,
        "existing_z": 137.226,
        "design_z": 137.7134,
        "delta_z": 0.4874
      },
      {
        "ch": 144.9224,
        "easting": 450997.8837,
        "northing": 6509973.7998,
        "existing_z": 137.0939,
        "design_z": 137.5697,
        "delta_z": 0.4758
      },
      {
        "ch": 150.0,
        "easting": 450995.4441,
        "northing": 6509978.2494,
        "existing_z": 136.9723,
        "design_z": 137.4348,
        "delta_z": 0.4626
      },
      {
        "ch": 160.0,
        "easting": 450989.1663,
        "northing": 6509986.0037,
        "existing_z": 136.7716,
        "design_z": 137.2085,
        "delta_z": 0.4369
      },
      {
        "ch": 164.9224,
        "easting": 450985.6857,
        "northing": 6509989.4843,
        "existing_z": 136.6786,
        "design_z": 137.1163,
        "delta_z": 0.4378
      },
      {
        "ch": 170.0,
        "easting": 450982.0953,
        "northing": 6509993.0747,
        "existing_z": 136.6173,
        "design_z": 137.0277,
        "delta_z": 0.4104
      },
      {
        "ch": 180.0,
        "easting": 450975.0242,
        "northing": 6510000.1458,
        "existing_z": 136.496,
        "design_z": 136.8533,
        "delta_z": 0.3573
      },
      {
        "ch": 190.0,
        "easting": 450967.9531,
        "northing": 6510007.2169,
        "existing_z": 136.3672,
        "design_z": 136.6788,
        "delta_z": 0.3116
      },
      {
        "ch": 200.0,
        "easting": 450960.8821,
        "northing": 6510014.2879,
        "existing_z": 136.3112,
        "design_z": 136.5043,
        "delta_z": 0.1931
      },
      {
        "ch": 210.0,
        "easting": 450953.811,
        "northing": 6510021.359,
        "existing_z": 136.2596,
        "design_z": 136.3298,
        "delta_z": 0.0703
      },
      {
        "ch": 217.3836,
        "easting": 450948.59,
        "northing": 6510026.58,
        "existing_z": 136.201,
        "design_z": 136.201,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD081",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 328.003,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.47,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450726.65,
          6509946.07
        ],
        "end": [
          450767.6676,
          6509905.0582
        ],
        "chainage_start": 0,
        "length": 58.00354514194262
      },
      {
        "type": "ARC",
        "centre": [
          450797.3670463094,
          6509934.761846486
        ],
        "radius": 42.004329843878644,
        "start_angle_rad": -2.356123783835604,
        "sweep_rad": 1.5707543618511324,
        "start": [
          450767.6676,
          6509905.0582
        ],
        "end": [
          450827.0694464334,
          6509905.061153691
        ],
        "chainage_start": 58.00354514194262,
        "length": 65.97848431890607,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450827.06944643334,
          6509905.06115369
        ],
        "end": [
          450971.33,
          6510049.33
        ],
        "chainage_start": 123.98202946084868,
        "length": 204.02109530857257
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 65.60062495388425,
        "pvi_z": 141.81612258894233,
        "bvc": 45.60062495388425,
        "evc": 85.60062495388425,
        "length": 40.0,
        "g1": 0.03146802417330828,
        "g2": -0.002330124317675863,
        "z_bvc": 141.18676210547616,
        "K_m_per_percent": 11.834967826912246
      },
      {
        "pvi_ch": 131.2012499077685,
        "pvi_z": 141.66326497748256,
        "bvc": 111.2012499077685,
        "evc": 151.2012499077685,
        "length": 40.0,
        "g1": -0.002330124317675863,
        "g2": -0.03471353829752414,
        "z_bvc": 141.70986746383608,
        "K_m_per_percent": 12.35200217768621
      },
      {
        "pvi_ch": 196.80187486165275,
        "pvi_z": 139.38603517080438,
        "bvc": 176.80187486165275,
        "evc": 216.80187486165275,
        "length": 40.0,
        "g1": -0.03471353829752414,
        "g2": -0.032645213820515585,
        "z_bvc": 140.08030593675485,
        "K_m_per_percent": 193.39325354720236
      },
      {
        "pvi_ch": 262.402499815537,
        "pvi_z": 137.24448874242537,
        "bvc": 242.402499815537,
        "evc": 282.402499815537,
        "length": 40.0,
        "g1": -0.032645213820515585,
        "g2": -0.0186566725248634,
        "z_bvc": 137.8973930188357,
        "K_m_per_percent": 28.594832838240613
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450726.65,
        "northing": 6509946.07,
        "existing_z": 139.7518,
        "design_z": 139.7518,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450733.7216,
        "northing": 6509938.9994,
        "existing_z": 140.091,
        "design_z": 140.0665,
        "delta_z": -0.0245
      },
      {
        "ch": 20.0,
        "easting": 450740.7931,
        "northing": 6509931.9289,
        "existing_z": 140.4502,
        "design_z": 140.3812,
        "delta_z": -0.069
      },
      {
        "ch": 30.0,
        "easting": 450747.8647,
        "northing": 6509924.8583,
        "existing_z": 140.8389,
        "design_z": 140.6958,
        "delta_z": -0.143
      },
      {
        "ch": 40.0,
        "easting": 450754.9363,
        "northing": 6509917.7877,
        "existing_z": 141.2246,
        "design_z": 141.0105,
        "delta_z": -0.2141
      },
      {
        "ch": 45.6006,
        "easting": 450758.8968,
        "northing": 6509913.8278,
        "existing_z": 141.444,
        "design_z": 141.1868,
        "delta_z": -0.2573
      },
      {
        "ch": 50.0,
        "easting": 450762.0078,
        "northing": 6509910.7172,
        "existing_z": 141.621,
        "design_z": 141.317,
        "delta_z": -0.304
      },
      {
        "ch": 60.0,
        "easting": 450769.1124,
        "northing": 6509903.6807,
        "existing_z": 142.0538,
        "design_z": 141.5523,
        "delta_z": -0.5015
      },
      {
        "ch": 65.6006,
        "easting": 450773.4951,
        "northing": 6509900.2004,
        "existing_z": 142.2708,
        "design_z": 141.6471,
        "delta_z": -0.6237
      },
      {
        "ch": 70.0,
        "easting": 450777.2392,
        "northing": 6509897.8941,
        "existing_z": 142.4249,
        "design_z": 141.703,
        "delta_z": -0.7218
      },
      {
        "ch": 80.0,
        "easting": 450786.5013,
        "northing": 6509894.1872,
        "existing_z": 142.7247,
        "design_z": 141.7693,
        "delta_z": -0.9554
      },
      {
        "ch": 85.6006,
        "easting": 450791.9918,
        "northing": 6509893.1029,
        "existing_z": 142.8407,
        "design_z": 141.7695,
        "delta_z": -1.0712
      },
      {
        "ch": 90.0,
        "easting": 450796.3764,
        "northing": 6509892.7692,
        "existing_z": 142.8892,
        "design_z": 141.7593,
        "delta_z": -1.13
      },
      {
        "ch": 100.0,
        "easting": 450806.3074,
        "northing": 6509893.72,
        "existing_z": 142.9175,
        "design_z": 141.736,
        "delta_z": -1.1815
      },
      {
        "ch": 110.0,
        "easting": 450815.7341,
        "northing": 6509896.986,
        "existing_z": 142.7963,
        "design_z": 141.7127,
        "delta_z": -1.0836
      },
      {
        "ch": 111.2012,
        "easting": 450816.8068,
        "northing": 6509897.5266,
        "existing_z": 142.7714,
        "design_z": 141.7099,
        "delta_z": -1.0615
      },
      {
        "ch": 120.0,
        "easting": 450824.1247,
        "northing": 6509902.3829,
        "existing_z": 142.537,
        "design_z": 141.658,
        "delta_z": -0.879
      },
      {
        "ch": 130.0,
        "easting": 450831.3247,
        "northing": 6509909.3166,
        "existing_z": 142.1767,
        "design_z": 141.523,
        "delta_z": -0.6537
      },
      {
        "ch": 131.2012,
        "easting": 450832.1741,
        "northing": 6509910.1661,
        "existing_z": 142.1281,
        "design_z": 141.5013,
        "delta_z": -0.6268
      },
      {
        "ch": 140.0,
        "easting": 450838.3955,
        "northing": 6509916.3879,
        "existing_z": 141.764,
        "design_z": 141.307,
        "delta_z": -0.457
      },
      {
        "ch": 150.0,
        "easting": 450845.4664,
        "northing": 6509923.4592,
        "existing_z": 141.3373,
        "design_z": 141.0101,
        "delta_z": -0.3272
      },
      {
        "ch": 151.2012,
        "easting": 450846.3158,
        "northing": 6509924.3086,
        "existing_z": 141.2851,
        "design_z": 140.969,
        "delta_z": -0.3161
      },
      {
        "ch": 160.0,
        "easting": 450852.5373,
        "northing": 6509930.5304,
        "existing_z": 140.8905,
        "design_z": 140.6636,
        "delta_z": -0.227
      },
      {
        "ch": 170.0,
        "easting": 450859.6081,
        "northing": 6509937.6017,
        "existing_z": 140.4485,
        "design_z": 140.3164,
        "delta_z": -0.1321
      },
      {
        "ch": 176.8019,
        "easting": 450864.4176,
        "northing": 6509942.4115,
        "existing_z": 140.1468,
        "design_z": 140.0803,
        "delta_z": -0.0665
      },
      {
        "ch": 180.0,
        "easting": 450866.679,
        "northing": 6509944.673,
        "existing_z": 140.0046,
        "design_z": 139.9696,
        "delta_z": -0.035
      },
      {
        "ch": 190.0,
        "easting": 450873.7499,
        "northing": 6509951.7443,
        "existing_z": 139.5681,
        "design_z": 139.6267,
        "delta_z": 0.0586
      },
      {
        "ch": 196.8019,
        "easting": 450878.5594,
        "northing": 6509956.554,
        "existing_z": 139.2929,
        "design_z": 139.3964,
        "delta_z": 0.1034
      },
      {
        "ch": 200.0,
        "easting": 450880.8207,
        "northing": 6509958.8155,
        "existing_z": 139.1634,
        "design_z": 139.2889,
        "delta_z": 0.1255
      },
      {
        "ch": 210.0,
        "easting": 450887.8916,
        "northing": 6509965.8868,
        "existing_z": 138.7576,
        "design_z": 138.9564,
        "delta_z": 0.1987
      },
      {
        "ch": 216.8019,
        "easting": 450892.7011,
        "northing": 6509970.6966,
        "existing_z": 138.4838,
        "design_z": 138.7331,
        "delta_z": 0.2494
      },
      {
        "ch": 220.0,
        "easting": 450894.9625,
        "northing": 6509972.9581,
        "existing_z": 138.3694,
        "design_z": 138.6287,
        "delta_z": 0.2593
      },
      {
        "ch": 230.0,
        "easting": 450902.0333,
        "northing": 6509980.0293,
        "existing_z": 138.0215,
        "design_z": 138.3023,
        "delta_z": 0.2808
      },
      {
        "ch": 240.0,
        "easting": 450909.1042,
        "northing": 6509987.1006,
        "existing_z": 137.6881,
        "design_z": 137.9758,
        "delta_z": 0.2877
      },
      {
        "ch": 242.4025,
        "easting": 450910.803,
        "northing": 6509988.7995,
        "existing_z": 137.6087,
        "design_z": 137.8974,
        "delta_z": 0.2887
      },
      {
        "ch": 250.0,
        "easting": 450916.175,
        "northing": 6509994.1719,
        "existing_z": 137.3796,
        "design_z": 137.6595,
        "delta_z": 0.2799
      },
      {
        "ch": 260.0,
        "easting": 450923.2459,
        "northing": 6510001.2431,
        "existing_z": 137.0927,
        "design_z": 137.3771,
        "delta_z": 0.2844
      },
      {
        "ch": 262.4025,
        "easting": 450924.9447,
        "northing": 6510002.942,
        "existing_z": 137.0247,
        "design_z": 137.3144,
        "delta_z": 0.2897
      },
      {
        "ch": 270.0,
        "easting": 450930.3168,
        "northing": 6510008.3144,
        "existing_z": 136.8117,
        "design_z": 137.1296,
        "delta_z": 0.318
      },
      {
        "ch": 280.0,
        "easting": 450937.3876,
        "northing": 6510015.3857,
        "existing_z": 136.5513,
        "design_z": 136.9172,
        "delta_z": 0.3659
      },
      {
        "ch": 282.4025,
        "easting": 450939.0864,
        "northing": 6510017.0846,
        "existing_z": 136.4942,
        "design_z": 136.8714,
        "delta_z": 0.3771
      },
      {
        "ch": 290.0,
        "easting": 450944.4585,
        "northing": 6510022.457,
        "existing_z": 136.323,
        "design_z": 136.7296,
        "delta_z": 0.4066
      },
      {
        "ch": 300.0,
        "easting": 450951.5294,
        "northing": 6510029.5282,
        "existing_z": 136.125,
        "design_z": 136.543,
        "delta_z": 0.418
      },
      {
        "ch": 310.0,
        "easting": 450958.6002,
        "northing": 6510036.5995,
        "existing_z": 136.0627,
        "design_z": 136.3565,
        "delta_z": 0.2938
      },
      {
        "ch": 320.0,
        "easting": 450965.6711,
        "northing": 6510043.6708,
        "existing_z": 136.0285,
        "design_z": 136.1699,
        "delta_z": 0.1414
      },
      {
        "ch": 328.0031,
        "easting": 450971.33,
        "northing": 6510049.33,
        "existing_z": 136.0206,
        "design_z": 136.0206,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD082",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 40.969,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.56,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451949.99606503407,
          6509967.224208446
        ],
        "end": [
          451985.47625623766,
          6509946.739955268
        ],
        "chainage_start": 0,
        "length": 40.96887350316262
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451949.9961,
        "northing": 6509967.2242,
        "existing_z": 160.1057,
        "design_z": 160.1057,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451958.6563,
        "northing": 6509962.2243,
        "existing_z": 160.5995,
        "design_z": 160.6618,
        "delta_z": 0.0622
      },
      {
        "ch": 20.0,
        "easting": 451967.3166,
        "northing": 6509957.2243,
        "existing_z": 161.0917,
        "design_z": 161.2179,
        "delta_z": 0.1262
      },
      {
        "ch": 30.0,
        "easting": 451975.9769,
        "northing": 6509952.2243,
        "existing_z": 161.6994,
        "design_z": 161.774,
        "delta_z": 0.0746
      },
      {
        "ch": 40.0,
        "easting": 451984.6372,
        "northing": 6509947.2244,
        "existing_z": 162.3253,
        "design_z": 162.3301,
        "delta_z": 0.0048
      },
      {
        "ch": 40.9689,
        "easting": 451985.4763,
        "northing": 6509946.74,
        "existing_z": 162.384,
        "design_z": 162.384,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD083",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 344.6,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 2.88,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450423.78000000014,
          6510056.22
        ],
        "end": [
          450444.06030303804,
          6510035.939696962
        ],
        "chainage_start": 0,
        "length": 28.680679605111
      },
      {
        "type": "ARC",
        "centre": [
          450429.7206060762,
          6510021.6
        ],
        "radius": 20.279393923870337,
        "start_angle_rad": 0.7853981634157147,
        "sweep_rad": -0.7853981633996682,
        "start": [
          450444.06030303804,
          6510035.939696962
        ],
        "end": [
          450450.0,
          6510021.6
        ],
        "chainage_start": 28.680679605111,
        "length": 15.927398742666153,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450450.00000000006,
          6510021.6
        ],
        "end": [
          450450.0,
          6510018.4
        ],
        "chainage_start": 44.60807834777715,
        "length": 3.199999999254942
      },
      {
        "type": "ARC",
        "centre": [
          450470.27939392393,
          6510018.4
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450450.0,
          6510018.4
        ],
        "end": [
          450455.93969696196,
          6510004.060303038
        ],
        "chainage_start": 47.808078347032094,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450455.93969696196,
          6510004.060303038
        ],
        "end": [
          450503.63961030677,
          6509956.360389694
        ],
        "chainage_start": 63.73547708970323,
        "length": 67.45786437592474
      },
      {
        "type": "ARC",
        "centre": [
          450567.27922061353,
          6510020.0
        ],
        "radius": 90.0,
        "start_angle_rad": -2.3561944901955463,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450503.63961030677,
          6509956.360389694
        ],
        "end": [
          450567.2792206136,
          6509930.0
        ],
        "chainage_start": 131.19334146562798,
        "length": 70.68583470577036,
        "target_radius": 90,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          450567.27922061324,
          6509930.0
        ],
        "end": [
          450710.0,
          6509930.0
        ],
        "chainage_start": 201.87917617139834,
        "length": 142.72077938675648
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 68.91999111163096,
        "pvi_z": 132.88620891356618,
        "bvc": 48.919991111630964,
        "evc": 88.91999111163096,
        "length": 40.0,
        "g1": -0.022793076508595602,
        "g2": 0.020030491640908563,
        "z_bvc": 133.3420704437381,
        "K_m_per_percent": 9.3406508911993
      },
      {
        "pvi_ch": 137.83998222326193,
        "pvi_z": 134.2667102194192,
        "bvc": 117.83998222326193,
        "evc": 157.83998222326193,
        "length": 40.0,
        "g1": 0.020030491640908563,
        "g2": 0.028779355274906798,
        "z_bvc": 133.86610038660103,
        "K_m_per_percent": 45.72022341799832
      },
      {
        "pvi_ch": 206.7599733348929,
        "pvi_z": 136.25018312916424,
        "bvc": 186.7599733348929,
        "evc": 226.7599733348929,
        "length": 40.0,
        "g1": 0.028779355274906798,
        "g2": 0.028053329124268722,
        "z_bvc": 135.6745960236661,
        "K_m_per_percent": 550.9443422230116
      },
      {
        "pvi_ch": 275.67996444652385,
        "pvi_z": 138.1836183230605,
        "bvc": 255.67996444652385,
        "evc": 295.67996444652385,
        "length": 40.0,
        "g1": 0.028053329124268722,
        "g2": 0.024722117343918524,
        "z_bvc": 137.62255174057512,
        "K_m_per_percent": 120.07642454901185
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450423.78,
        "northing": 6510056.22,
        "existing_z": 134.4571,
        "design_z": 134.4571,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450430.8511,
        "northing": 6510049.1489,
        "existing_z": 133.7243,
        "design_z": 134.2292,
        "delta_z": 0.5048
      },
      {
        "ch": 20.0,
        "easting": 450437.9221,
        "northing": 6510042.0779,
        "existing_z": 133.1713,
        "design_z": 134.0012,
        "delta_z": 0.83
      },
      {
        "ch": 30.0,
        "easting": 450444.9622,
        "northing": 6510034.9771,
        "existing_z": 132.6697,
        "design_z": 133.7733,
        "delta_z": 1.1037
      },
      {
        "ch": 40.0,
        "easting": 450449.4787,
        "northing": 6510026.1685,
        "existing_z": 132.301,
        "design_z": 133.5454,
        "delta_z": 1.2444
      },
      {
        "ch": 48.92,
        "easting": 450450.0305,
        "northing": 6510017.2886,
        "existing_z": 132.1609,
        "design_z": 133.3421,
        "delta_z": 1.1811
      },
      {
        "ch": 50.0,
        "easting": 450450.1183,
        "northing": 6510016.2123,
        "existing_z": 132.1451,
        "design_z": 133.3181,
        "delta_z": 1.173
      },
      {
        "ch": 60.0,
        "easting": 450453.5558,
        "northing": 6510006.9294,
        "existing_z": 132.0677,
        "design_z": 133.1552,
        "delta_z": 1.0876
      },
      {
        "ch": 68.92,
        "easting": 450459.6057,
        "northing": 6510000.3943,
        "existing_z": 132.1248,
        "design_z": 133.1003,
        "delta_z": 0.9755
      },
      {
        "ch": 70.0,
        "easting": 450460.3694,
        "northing": 6509999.6306,
        "existing_z": 132.1347,
        "design_z": 133.0995,
        "delta_z": 0.9647
      },
      {
        "ch": 80.0,
        "easting": 450467.4405,
        "northing": 6509992.5595,
        "existing_z": 132.2563,
        "design_z": 133.1507,
        "delta_z": 0.8945
      },
      {
        "ch": 88.92,
        "easting": 450473.7478,
        "northing": 6509986.2522,
        "existing_z": 132.4952,
        "design_z": 133.2868,
        "delta_z": 0.7916
      },
      {
        "ch": 90.0,
        "easting": 450474.5115,
        "northing": 6509985.4885,
        "existing_z": 132.5332,
        "design_z": 133.3085,
        "delta_z": 0.7753
      },
      {
        "ch": 100.0,
        "easting": 450481.5826,
        "northing": 6509978.4174,
        "existing_z": 132.9002,
        "design_z": 133.5088,
        "delta_z": 0.6086
      },
      {
        "ch": 110.0,
        "easting": 450488.6537,
        "northing": 6509971.3463,
        "existing_z": 133.2952,
        "design_z": 133.7091,
        "delta_z": 0.4138
      },
      {
        "ch": 117.84,
        "easting": 450494.1974,
        "northing": 6509965.8026,
        "existing_z": 133.5954,
        "design_z": 133.8661,
        "delta_z": 0.2707
      },
      {
        "ch": 120.0,
        "easting": 450495.7247,
        "northing": 6509964.2753,
        "existing_z": 133.6743,
        "design_z": 133.9099,
        "delta_z": 0.2356
      },
      {
        "ch": 130.0,
        "easting": 450502.7958,
        "northing": 6509957.2042,
        "existing_z": 134.028,
        "design_z": 134.1258,
        "delta_z": 0.0978
      },
      {
        "ch": 137.84,
        "easting": 450508.5087,
        "northing": 6509951.8382,
        "existing_z": 134.2923,
        "design_z": 134.3105,
        "delta_z": 0.0182
      },
      {
        "ch": 140.0,
        "easting": 450510.1614,
        "northing": 6509950.4475,
        "existing_z": 134.3629,
        "design_z": 134.3637,
        "delta_z": 0.0007
      },
      {
        "ch": 150.0,
        "easting": 450518.2257,
        "northing": 6509944.543,
        "existing_z": 134.6438,
        "design_z": 134.6234,
        "delta_z": -0.0204
      },
      {
        "ch": 157.84,
        "easting": 450524.9766,
        "northing": 6509940.5614,
        "existing_z": 134.8599,
        "design_z": 134.8423,
        "delta_z": -0.0176
      },
      {
        "ch": 160.0,
        "easting": 450526.8951,
        "northing": 6509939.5691,
        "existing_z": 134.919,
        "design_z": 134.9045,
        "delta_z": -0.0145
      },
      {
        "ch": 170.0,
        "easting": 450536.0625,
        "northing": 6509935.5872,
        "existing_z": 135.2022,
        "design_z": 135.1923,
        "delta_z": -0.0099
      },
      {
        "ch": 180.0,
        "easting": 450545.6149,
        "northing": 6509932.6464,
        "existing_z": 135.4831,
        "design_z": 135.48,
        "delta_z": -0.003
      },
      {
        "ch": 186.76,
        "easting": 450552.231,
        "northing": 6509931.267,
        "existing_z": 135.6727,
        "design_z": 135.6746,
        "delta_z": 0.0019
      },
      {
        "ch": 190.0,
        "easting": 450555.4345,
        "northing": 6509930.7828,
        "existing_z": 135.7672,
        "design_z": 135.7677,
        "delta_z": 0.0006
      },
      {
        "ch": 200.0,
        "easting": 450565.4002,
        "northing": 6509930.0196,
        "existing_z": 136.0509,
        "design_z": 136.054,
        "delta_z": 0.0032
      },
      {
        "ch": 206.76,
        "easting": 450572.16,
        "northing": 6509930.0,
        "existing_z": 136.2412,
        "design_z": 136.2466,
        "delta_z": 0.0053
      },
      {
        "ch": 210.0,
        "easting": 450575.4,
        "northing": 6509930.0,
        "existing_z": 136.3361,
        "design_z": 136.3385,
        "delta_z": 0.0024
      },
      {
        "ch": 220.0,
        "easting": 450585.4,
        "northing": 6509930.0,
        "existing_z": 136.6289,
        "design_z": 136.6212,
        "delta_z": -0.0077
      },
      {
        "ch": 226.76,
        "easting": 450592.16,
        "northing": 6509930.0,
        "existing_z": 136.8275,
        "design_z": 136.8112,
        "delta_z": -0.0162
      },
      {
        "ch": 230.0,
        "easting": 450595.4,
        "northing": 6509930.0,
        "existing_z": 136.9232,
        "design_z": 136.9021,
        "delta_z": -0.0211
      },
      {
        "ch": 240.0,
        "easting": 450605.4,
        "northing": 6509930.0,
        "existing_z": 137.2188,
        "design_z": 137.1827,
        "delta_z": -0.0361
      },
      {
        "ch": 250.0,
        "easting": 450615.4,
        "northing": 6509930.0,
        "existing_z": 137.5126,
        "design_z": 137.4632,
        "delta_z": -0.0494
      },
      {
        "ch": 255.68,
        "easting": 450621.08,
        "northing": 6509930.0,
        "existing_z": 137.6786,
        "design_z": 137.6226,
        "delta_z": -0.0561
      },
      {
        "ch": 260.0,
        "easting": 450625.4,
        "northing": 6509930.0,
        "existing_z": 137.805,
        "design_z": 137.743,
        "delta_z": -0.062
      },
      {
        "ch": 270.0,
        "easting": 450635.4,
        "northing": 6509930.0,
        "existing_z": 138.0916,
        "design_z": 138.0157,
        "delta_z": -0.0758
      },
      {
        "ch": 275.68,
        "easting": 450641.08,
        "northing": 6509930.0,
        "existing_z": 138.2516,
        "design_z": 138.167,
        "delta_z": -0.0846
      },
      {
        "ch": 280.0,
        "easting": 450645.4,
        "northing": 6509930.0,
        "existing_z": 138.3732,
        "design_z": 138.2802,
        "delta_z": -0.093
      },
      {
        "ch": 290.0,
        "easting": 450655.4,
        "northing": 6509930.0,
        "existing_z": 138.6377,
        "design_z": 138.5363,
        "delta_z": -0.1014
      },
      {
        "ch": 295.68,
        "easting": 450661.08,
        "northing": 6509930.0,
        "existing_z": 138.7796,
        "design_z": 138.6781,
        "delta_z": -0.1016
      },
      {
        "ch": 300.0,
        "easting": 450665.4,
        "northing": 6509930.0,
        "existing_z": 138.8876,
        "design_z": 138.7849,
        "delta_z": -0.1027
      },
      {
        "ch": 310.0,
        "easting": 450675.4,
        "northing": 6509930.0,
        "existing_z": 139.1246,
        "design_z": 139.0321,
        "delta_z": -0.0926
      },
      {
        "ch": 320.0,
        "easting": 450685.4,
        "northing": 6509930.0,
        "existing_z": 139.3508,
        "design_z": 139.2793,
        "delta_z": -0.0715
      },
      {
        "ch": 330.0,
        "easting": 450695.4,
        "northing": 6509930.0,
        "existing_z": 139.5717,
        "design_z": 139.5265,
        "delta_z": -0.0451
      },
      {
        "ch": 340.0,
        "easting": 450705.4,
        "northing": 6509930.0,
        "existing_z": 139.788,
        "design_z": 139.7737,
        "delta_z": -0.0142
      },
      {
        "ch": 344.6,
        "easting": 450710.0,
        "northing": 6509930.0,
        "existing_z": 139.8875,
        "design_z": 139.8875,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD084",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 47.864,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.49,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451733.0391491654,
          6509977.012437647
        ],
        "end": [
          451774.49,
          6509953.08
        ],
        "chainage_start": 0,
        "length": 47.86370865955312
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451733.0391,
        "northing": 6509977.0124,
        "existing_z": 156.5087,
        "design_z": 156.5087,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451741.6993,
        "northing": 6509972.0123,
        "existing_z": 156.1877,
        "design_z": 156.1599,
        "delta_z": -0.0278
      },
      {
        "ch": 20.0,
        "easting": 451750.3595,
        "northing": 6509967.0122,
        "existing_z": 155.8742,
        "design_z": 155.8111,
        "delta_z": -0.0631
      },
      {
        "ch": 30.0,
        "easting": 451759.0197,
        "northing": 6509962.0121,
        "existing_z": 155.4996,
        "design_z": 155.4623,
        "delta_z": -0.0373
      },
      {
        "ch": 40.0,
        "easting": 451767.6799,
        "northing": 6509957.012,
        "existing_z": 155.1415,
        "design_z": 155.1135,
        "delta_z": -0.028
      },
      {
        "ch": 47.8637,
        "easting": 451774.49,
        "northing": 6509953.08,
        "existing_z": 154.8392,
        "design_z": 154.8392,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD085",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 452.733,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.24,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451370.0,
          6510071.15
        ],
        "end": [
          451655.44410664786,
          6509906.343049337
        ],
        "chainage_start": 0,
        "length": 329.6053230864201
      },
      {
        "type": "ARC",
        "centre": [
          451673.85040097934,
          6509938.222580031
        ],
        "radius": 36.81163061104369,
        "start_angle_rad": -2.0944101284564933,
        "sweep_rad": 1.4269973244684662,
        "start": [
          451655.44410664786,
          6509906.343049337
        ],
        "end": [
          451702.7632,
          6509915.4378
        ],
        "chainage_start": 329.6053230864201,
        "length": 52.53009839128083,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451702.7632,
          6509915.4378
        ],
        "end": [
          451722.93350066035,
          6509941.032949411
        ],
        "chainage_start": 382.13542147770096,
        "length": 32.58761577800965
      },
      {
        "type": "ARC",
        "centre": [
          451691.4759171048,
          6509965.823151186
        ],
        "radius": 40.05163750958729,
        "start_angle_rad": -0.6674128039844774,
        "sweep_rad": 0.5553747048019306,
        "start": [
          451722.93350066035,
          6509941.032949411
        ],
        "end": [
          451731.2764426495,
          6509961.345223811
        ],
        "chainage_start": 414.7230372557106,
        "length": 22.243666358720972,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451731.2764426494,
          6509961.345223811
        ],
        "end": [
          451733.0391491654,
          6509977.012437647
        ],
        "chainage_start": 436.9667036144316,
        "length": 15.766062401139939
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 75.45546100259526,
        "pvi_z": 165.34250431306702,
        "bvc": 55.45546100259526,
        "evc": 95.45546100259526,
        "length": 40.0,
        "g1": -0.04372022062975432,
        "g2": -0.06837238540379531,
        "z_bvc": 166.2169087256621,
        "K_m_per_percent": 16.225755574261154
      },
      {
        "pvi_ch": 150.9109220051905,
        "pvi_z": 160.18343445257653,
        "bvc": 130.9109220051905,
        "evc": 170.9109220051905,
        "length": 40.0,
        "g1": -0.06837238540379531,
        "g2": -0.07235620860859308,
        "z_bvc": 161.55088216065244,
        "K_m_per_percent": 100.40606207581563
      },
      {
        "pvi_ch": 226.36638300778577,
        "pvi_z": 154.7237633756152,
        "bvc": 206.36638300778577,
        "evc": 246.36638300778577,
        "length": 40.0,
        "g1": -0.07235620860859308,
        "g2": -0.044583151087445295,
        "z_bvc": 156.17088754778706,
        "K_m_per_percent": 14.40244739692128
      },
      {
        "pvi_ch": 301.821844010381,
        "pvi_z": 151.35972115736365,
        "bvc": 281.821844010381,
        "evc": 321.821844010381,
        "length": 40.0,
        "g1": -0.044583151087445295,
        "g2": 0.004545830253099118,
        "z_bvc": 152.25138417911256,
        "K_m_per_percent": 8.141833782942577
      },
      {
        "pvi_ch": 377.2773050129763,
        "pvi_z": 151.7027288747508,
        "bvc": 357.2773050129763,
        "evc": 397.2773050129763,
        "length": 40.0,
        "g1": 0.004545830253099118,
        "g2": 0.06369238294457458,
        "z_bvc": 151.6118122696888,
        "K_m_per_percent": 6.762862445872527
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451370.0,
        "northing": 6510071.15,
        "existing_z": 168.6414,
        "design_z": 168.6414,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451378.6602,
        "northing": 6510066.1499,
        "existing_z": 168.6376,
        "design_z": 168.2042,
        "delta_z": -0.4334
      },
      {
        "ch": 20.0,
        "easting": 451387.3204,
        "northing": 6510061.1497,
        "existing_z": 168.5688,
        "design_z": 167.767,
        "delta_z": -0.8018
      },
      {
        "ch": 30.0,
        "easting": 451395.9805,
        "northing": 6510056.1496,
        "existing_z": 168.3345,
        "design_z": 167.3298,
        "delta_z": -1.0046
      },
      {
        "ch": 40.0,
        "easting": 451404.6407,
        "northing": 6510051.1495,
        "existing_z": 167.9843,
        "design_z": 166.8926,
        "delta_z": -1.0917
      },
      {
        "ch": 50.0,
        "easting": 451413.3009,
        "northing": 6510046.1493,
        "existing_z": 167.4826,
        "design_z": 166.4554,
        "delta_z": -1.0271
      },
      {
        "ch": 55.4555,
        "easting": 451418.0254,
        "northing": 6510043.4215,
        "existing_z": 167.1412,
        "design_z": 166.2169,
        "delta_z": -0.9243
      },
      {
        "ch": 60.0,
        "easting": 451421.9611,
        "northing": 6510041.1492,
        "existing_z": 166.8504,
        "design_z": 166.0119,
        "delta_z": -0.8385
      },
      {
        "ch": 70.0,
        "easting": 451430.6213,
        "northing": 6510036.1491,
        "existing_z": 166.1899,
        "design_z": 165.5158,
        "delta_z": -0.674
      },
      {
        "ch": 75.4555,
        "easting": 451435.3458,
        "northing": 6510033.4213,
        "existing_z": 165.821,
        "design_z": 165.2192,
        "delta_z": -0.6017
      },
      {
        "ch": 80.0,
        "easting": 451439.2814,
        "northing": 6510031.149,
        "existing_z": 165.5106,
        "design_z": 164.9582,
        "delta_z": -0.5524
      },
      {
        "ch": 90.0,
        "easting": 451447.9416,
        "northing": 6510026.1488,
        "existing_z": 164.8349,
        "design_z": 164.3389,
        "delta_z": -0.496
      },
      {
        "ch": 95.4555,
        "easting": 451452.6661,
        "northing": 6510023.421,
        "existing_z": 164.4646,
        "design_z": 163.9751,
        "delta_z": -0.4895
      },
      {
        "ch": 100.0,
        "easting": 451456.6018,
        "northing": 6510021.1487,
        "existing_z": 164.1524,
        "design_z": 163.6643,
        "delta_z": -0.4881
      },
      {
        "ch": 110.0,
        "easting": 451465.262,
        "northing": 6510016.1486,
        "existing_z": 163.453,
        "design_z": 162.9806,
        "delta_z": -0.4723
      },
      {
        "ch": 120.0,
        "easting": 451473.9221,
        "northing": 6510011.1484,
        "existing_z": 162.7251,
        "design_z": 162.2969,
        "delta_z": -0.4282
      },
      {
        "ch": 130.0,
        "easting": 451482.5823,
        "northing": 6510006.1483,
        "existing_z": 161.9421,
        "design_z": 161.6132,
        "delta_z": -0.329
      },
      {
        "ch": 130.9109,
        "easting": 451483.3712,
        "northing": 6510005.6928,
        "existing_z": 161.8695,
        "design_z": 161.5509,
        "delta_z": -0.3186
      },
      {
        "ch": 140.0,
        "easting": 451491.2425,
        "northing": 6510001.1482,
        "existing_z": 161.1377,
        "design_z": 160.9253,
        "delta_z": -0.2124
      },
      {
        "ch": 150.0,
        "easting": 451499.9027,
        "northing": 6509996.148,
        "existing_z": 160.3191,
        "design_z": 160.2276,
        "delta_z": -0.0915
      },
      {
        "ch": 150.9109,
        "easting": 451500.6916,
        "northing": 6509995.6926,
        "existing_z": 160.2446,
        "design_z": 160.1635,
        "delta_z": -0.0811
      },
      {
        "ch": 160.0,
        "easting": 451508.5629,
        "northing": 6509991.1479,
        "existing_z": 159.502,
        "design_z": 159.5199,
        "delta_z": 0.0178
      },
      {
        "ch": 170.0,
        "easting": 451517.223,
        "northing": 6509986.1478,
        "existing_z": 158.665,
        "design_z": 158.8022,
        "delta_z": 0.1372
      },
      {
        "ch": 170.9109,
        "easting": 451518.0119,
        "northing": 6509985.6923,
        "existing_z": 158.5889,
        "design_z": 158.7363,
        "delta_z": 0.1475
      },
      {
        "ch": 180.0,
        "easting": 451525.8832,
        "northing": 6509981.1477,
        "existing_z": 157.8386,
        "design_z": 158.0787,
        "delta_z": 0.2401
      },
      {
        "ch": 190.0,
        "easting": 451534.5434,
        "northing": 6509976.1475,
        "existing_z": 157.0414,
        "design_z": 157.3551,
        "delta_z": 0.3137
      },
      {
        "ch": 200.0,
        "easting": 451543.2036,
        "northing": 6509971.1474,
        "existing_z": 156.2752,
        "design_z": 156.6315,
        "delta_z": 0.3564
      },
      {
        "ch": 206.3664,
        "easting": 451548.717,
        "northing": 6509967.9641,
        "existing_z": 155.7783,
        "design_z": 156.1709,
        "delta_z": 0.3926
      },
      {
        "ch": 210.0,
        "easting": 451551.8638,
        "northing": 6509966.1473,
        "existing_z": 155.4986,
        "design_z": 155.9126,
        "delta_z": 0.4139
      },
      {
        "ch": 220.0,
        "easting": 451560.5239,
        "northing": 6509961.1471,
        "existing_z": 154.7646,
        "design_z": 155.2489,
        "delta_z": 0.4844
      },
      {
        "ch": 226.3664,
        "easting": 451566.0373,
        "northing": 6509957.9639,
        "existing_z": 154.316,
        "design_z": 154.8626,
        "delta_z": 0.5466
      },
      {
        "ch": 230.0,
        "easting": 451569.1841,
        "northing": 6509956.147,
        "existing_z": 154.0666,
        "design_z": 154.6548,
        "delta_z": 0.5882
      },
      {
        "ch": 240.0,
        "easting": 451577.8443,
        "northing": 6509951.1469,
        "existing_z": 153.4667,
        "design_z": 154.13,
        "delta_z": 0.6633
      },
      {
        "ch": 246.3664,
        "easting": 451583.3577,
        "northing": 6509947.9636,
        "existing_z": 153.1049,
        "design_z": 153.8321,
        "delta_z": 0.7272
      },
      {
        "ch": 250.0,
        "easting": 451586.5045,
        "northing": 6509946.1467,
        "existing_z": 152.9057,
        "design_z": 153.6701,
        "delta_z": 0.7644
      },
      {
        "ch": 260.0,
        "easting": 451595.1647,
        "northing": 6509941.1466,
        "existing_z": 152.4161,
        "design_z": 153.2243,
        "delta_z": 0.8081
      },
      {
        "ch": 270.0,
        "easting": 451603.8248,
        "northing": 6509936.1465,
        "existing_z": 151.9664,
        "design_z": 152.7784,
        "delta_z": 0.812
      },
      {
        "ch": 280.0,
        "easting": 451612.485,
        "northing": 6509931.1464,
        "existing_z": 151.5392,
        "design_z": 152.3326,
        "delta_z": 0.7934
      },
      {
        "ch": 281.8218,
        "easting": 451614.0628,
        "northing": 6509930.2354,
        "existing_z": 151.4659,
        "design_z": 152.2514,
        "delta_z": 0.7855
      },
      {
        "ch": 290.0,
        "easting": 451621.1452,
        "northing": 6509926.1462,
        "existing_z": 151.1615,
        "design_z": 151.9278,
        "delta_z": 0.7663
      },
      {
        "ch": 300.0,
        "easting": 451629.8054,
        "northing": 6509921.1461,
        "existing_z": 150.7908,
        "design_z": 151.6439,
        "delta_z": 0.853
      },
      {
        "ch": 301.8218,
        "easting": 451631.3831,
        "northing": 6509920.2352,
        "existing_z": 150.7281,
        "design_z": 151.6054,
        "delta_z": 0.8772
      },
      {
        "ch": 310.0,
        "easting": 451638.4655,
        "northing": 6509916.146,
        "existing_z": 150.4458,
        "design_z": 151.4827,
        "delta_z": 1.0369
      },
      {
        "ch": 320.0,
        "easting": 451647.1257,
        "northing": 6509911.1458,
        "existing_z": 150.0914,
        "design_z": 151.4444,
        "delta_z": 1.353
      },
      {
        "ch": 321.8218,
        "easting": 451648.7035,
        "northing": 6509910.2349,
        "existing_z": 150.0257,
        "design_z": 151.4506,
        "delta_z": 1.4249
      },
      {
        "ch": 330.0,
        "easting": 451655.787,
        "northing": 6509906.1475,
        "existing_z": 149.7745,
        "design_z": 151.4878,
        "delta_z": 1.7133
      },
      {
        "ch": 340.0,
        "easting": 451665.0559,
        "northing": 6509902.4769,
        "existing_z": 149.5681,
        "design_z": 151.5333,
        "delta_z": 1.9651
      },
      {
        "ch": 350.0,
        "easting": 451674.9698,
        "northing": 6509901.428,
        "existing_z": 149.5848,
        "design_z": 151.5787,
        "delta_z": 1.994
      },
      {
        "ch": 357.2773,
        "easting": 451682.1747,
        "northing": 6509902.3645,
        "existing_z": 149.7426,
        "design_z": 151.6118,
        "delta_z": 1.8692
      },
      {
        "ch": 360.0,
        "easting": 451684.8017,
        "northing": 6509903.0777,
        "existing_z": 149.825,
        "design_z": 151.6297,
        "delta_z": 1.8047
      },
      {
        "ch": 370.0,
        "easting": 451693.8303,
        "northing": 6509907.305,
        "existing_z": 150.2661,
        "design_z": 151.7893,
        "delta_z": 1.5232
      },
      {
        "ch": 377.2773,
        "easting": 451699.5135,
        "northing": 6509911.8313,
        "existing_z": 150.7187,
        "design_z": 151.9985,
        "delta_z": 1.2798
      },
      {
        "ch": 380.0,
        "easting": 451701.3936,
        "northing": 6509913.7999,
        "existing_z": 150.9097,
        "design_z": 152.0968,
        "delta_z": 1.1871
      },
      {
        "ch": 390.0,
        "easting": 451707.631,
        "northing": 6509921.6148,
        "existing_z": 151.6423,
        "design_z": 152.5522,
        "delta_z": 0.9099
      },
      {
        "ch": 397.2773,
        "easting": 451712.1354,
        "northing": 6509927.3306,
        "existing_z": 152.1871,
        "design_z": 152.9766,
        "delta_z": 0.7895
      },
      {
        "ch": 400.0,
        "easting": 451713.8206,
        "northing": 6509929.4691,
        "existing_z": 152.3943,
        "design_z": 153.15,
        "delta_z": 0.7557
      },
      {
        "ch": 410.0,
        "easting": 451720.0101,
        "northing": 6509937.3234,
        "existing_z": 153.2109,
        "design_z": 153.7869,
        "delta_z": 0.576
      },
      {
        "ch": 420.0,
        "easting": 451725.9176,
        "northing": 6509945.3805,
        "existing_z": 154.0104,
        "design_z": 154.4238,
        "delta_z": 0.4135
      },
      {
        "ch": 430.0,
        "easting": 451729.9009,
        "northing": 6509954.5246,
        "existing_z": 154.8137,
        "design_z": 155.0608,
        "delta_z": 0.247
      },
      {
        "ch": 440.0,
        "easting": 451731.6156,
        "northing": 6509964.3595,
        "existing_z": 155.5779,
        "design_z": 155.6977,
        "delta_z": 0.1198
      },
      {
        "ch": 450.0,
        "easting": 451732.7336,
        "northing": 6509974.2968,
        "existing_z": 156.3153,
        "design_z": 156.3346,
        "delta_z": 0.0193
      },
      {
        "ch": 452.7328,
        "easting": 451733.0391,
        "northing": 6509977.0124,
        "existing_z": 156.5087,
        "design_z": 156.5087,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD086",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 21.092,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.04,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451931.73,
          6509977.77
        ],
        "end": [
          451949.99606503407,
          6509967.224208446
        ],
        "chainage_start": 0,
        "length": 21.09177212364445
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451931.73,
        "northing": 6509977.77,
        "existing_z": 159.4654,
        "design_z": 159.4654,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451940.3903,
        "northing": 6509972.77,
        "existing_z": 159.7712,
        "design_z": 159.769,
        "delta_z": -0.0023
      },
      {
        "ch": 20.0,
        "easting": 451949.0506,
        "northing": 6509967.7701,
        "existing_z": 160.0732,
        "design_z": 160.0725,
        "delta_z": -0.0006
      },
      {
        "ch": 21.0918,
        "easting": 451949.9961,
        "northing": 6509967.2242,
        "existing_z": 160.1057,
        "design_z": 160.1057,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD087",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 186.149,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 6.49,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451872.2295010461,
          6509896.655748431
        ],
        "end": [
          451859.33639043936,
          6509915.995414341
        ],
        "chainage_start": 0,
        "length": 23.243385696525685
      },
      {
        "type": "ARC",
        "centre": [
          451905.5903947711,
          6509946.831417228
        ],
        "radius": 55.59039477108368,
        "start_angle_rad": -2.553590050050938,
        "sweep_rad": -0.5880026035451504,
        "start": [
          451859.33639043936,
          6509915.995414341
        ],
        "end": [
          451850.0,
          6509946.831417228
        ],
        "chainage_start": 23.243385696525685,
        "length": 32.68729685749992,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451850.0,
          6509946.831417228
        ],
        "end": [
          451850.0,
          6510038.120606076
        ],
        "chainage_start": 55.93068255402561,
        "length": 91.28918884787709
      },
      {
        "type": "ARC",
        "centre": [
          451878.67939392396,
          6510038.120606076
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451850.0,
          6510038.120606076
        ],
        "end": [
          451858.4,
          6510058.4
        ],
        "chainage_start": 147.2198714019027,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451858.4,
          6510058.399999999
        ],
        "end": [
          451870.0,
          6510070.0
        ],
        "chainage_start": 169.7446147171124,
        "length": 16.404877323906565
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 62.04983068033965,
        "pvi_z": 154.86421372176702,
        "bvc": 42.04983068033965,
        "evc": 82.04983068033965,
        "length": 40.0,
        "g1": 0.05397546647637456,
        "g2": 0.06492895577845048,
        "z_bvc": 153.78470439223952,
        "K_m_per_percent": 36.518043608641804
      },
      {
        "pvi_ch": 124.0996613606793,
        "pvi_z": 158.89304443407113,
        "bvc": 104.0996613606793,
        "evc": 144.0996613606793,
        "length": 40.0,
        "g1": 0.06492895577845048,
        "g2": 0.05554298967786491,
        "z_bvc": 157.59446531850213,
        "K_m_per_percent": 42.616817034428124
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451872.2295,
        "northing": 6509896.6557,
        "existing_z": 151.515,
        "design_z": 151.515,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451866.6825,
        "northing": 6509904.9763,
        "existing_z": 151.8878,
        "design_z": 152.0548,
        "delta_z": 0.167
      },
      {
        "ch": 20.0,
        "easting": 451861.1355,
        "northing": 6509913.2968,
        "existing_z": 152.2957,
        "design_z": 152.5946,
        "delta_z": 0.2989
      },
      {
        "ch": 30.0,
        "easting": 451855.9389,
        "northing": 6509921.8309,
        "existing_z": 152.7323,
        "design_z": 153.1343,
        "delta_z": 0.402
      },
      {
        "ch": 40.0,
        "easting": 451852.2671,
        "northing": 6509931.1179,
        "existing_z": 153.238,
        "design_z": 153.6741,
        "delta_z": 0.436
      },
      {
        "ch": 42.0498,
        "easting": 451851.724,
        "northing": 6509933.0944,
        "existing_z": 153.3567,
        "design_z": 153.7847,
        "delta_z": 0.428
      },
      {
        "ch": 50.0,
        "easting": 451850.3161,
        "northing": 6509940.912,
        "existing_z": 153.8347,
        "design_z": 154.2225,
        "delta_z": 0.3877
      },
      {
        "ch": 60.0,
        "easting": 451850.0,
        "northing": 6509950.9007,
        "existing_z": 154.4754,
        "design_z": 154.7977,
        "delta_z": 0.3223
      },
      {
        "ch": 62.0498,
        "easting": 451850.0,
        "northing": 6509952.9506,
        "existing_z": 154.6238,
        "design_z": 154.919,
        "delta_z": 0.2951
      },
      {
        "ch": 70.0,
        "easting": 451850.0,
        "northing": 6509960.9007,
        "existing_z": 155.1995,
        "design_z": 155.4003,
        "delta_z": 0.2008
      },
      {
        "ch": 80.0,
        "easting": 451850.0,
        "northing": 6509970.9007,
        "existing_z": 155.9279,
        "design_z": 156.0303,
        "delta_z": 0.1024
      },
      {
        "ch": 82.0498,
        "easting": 451850.0,
        "northing": 6509972.9506,
        "existing_z": 156.086,
        "design_z": 156.1628,
        "delta_z": 0.0768
      },
      {
        "ch": 90.0,
        "easting": 451850.0,
        "northing": 6509980.9007,
        "existing_z": 156.6994,
        "design_z": 156.679,
        "delta_z": -0.0204
      },
      {
        "ch": 100.0,
        "easting": 451850.0,
        "northing": 6509990.9007,
        "existing_z": 157.4646,
        "design_z": 157.3283,
        "delta_z": -0.1363
      },
      {
        "ch": 104.0997,
        "easting": 451850.0,
        "northing": 6509995.0004,
        "existing_z": 157.7517,
        "design_z": 157.5945,
        "delta_z": -0.1572
      },
      {
        "ch": 110.0,
        "easting": 451850.0,
        "northing": 6510000.9007,
        "existing_z": 158.165,
        "design_z": 157.9735,
        "delta_z": -0.1915
      },
      {
        "ch": 120.0,
        "easting": 451850.0,
        "northing": 6510010.9007,
        "existing_z": 158.8584,
        "design_z": 158.5972,
        "delta_z": -0.2612
      },
      {
        "ch": 124.0997,
        "easting": 451850.0,
        "northing": 6510015.0004,
        "existing_z": 159.1134,
        "design_z": 158.8461,
        "delta_z": -0.2673
      },
      {
        "ch": 130.0,
        "easting": 451850.0,
        "northing": 6510020.9007,
        "existing_z": 159.4805,
        "design_z": 159.1974,
        "delta_z": -0.283
      },
      {
        "ch": 140.0,
        "easting": 451850.0,
        "northing": 6510030.9007,
        "existing_z": 160.0961,
        "design_z": 159.7742,
        "delta_z": -0.3218
      },
      {
        "ch": 144.0997,
        "easting": 451850.0,
        "northing": 6510035.0004,
        "existing_z": 160.3214,
        "design_z": 160.0039,
        "delta_z": -0.3175
      },
      {
        "ch": 150.0,
        "easting": 451850.1346,
        "northing": 6510040.8964,
        "existing_z": 160.6469,
        "design_z": 160.3316,
        "delta_z": -0.3153
      },
      {
        "ch": 160.0,
        "easting": 451852.8007,
        "northing": 6510050.4819,
        "existing_z": 161.1985,
        "design_z": 160.8871,
        "delta_z": -0.3114
      },
      {
        "ch": 170.0,
        "easting": 451858.5806,
        "northing": 6510058.5806,
        "existing_z": 161.6677,
        "design_z": 161.4425,
        "delta_z": -0.2252
      },
      {
        "ch": 180.0,
        "easting": 451865.6517,
        "northing": 6510065.6517,
        "existing_z": 162.0868,
        "design_z": 161.9979,
        "delta_z": -0.0888
      },
      {
        "ch": 186.1495,
        "easting": 451870.0,
        "northing": 6510070.0,
        "existing_z": 162.3395,
        "design_z": 162.3395,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD088",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 157.232,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 16.32,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452265.15,
          6510050.0
        ],
        "end": [
          452376.33,
          6509938.82
        ],
        "chainage_start": 0,
        "length": 157.23226386442502
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 78.61613193221251,
        "pvi_z": 165.40974493758074,
        "bvc": 58.61613193221251,
        "evc": 98.61613193221251,
        "length": 40.0,
        "g1": -0.16321864574657613,
        "g2": -0.14504560296482252,
        "z_bvc": 168.67411785251227,
        "K_m_per_percent": 22.01062336141169
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452265.15,
        "northing": 6510050.0,
        "existing_z": 178.2414,
        "design_z": 178.2414,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452272.2211,
        "northing": 6510042.9289,
        "existing_z": 176.3435,
        "design_z": 176.6092,
        "delta_z": 0.2657
      },
      {
        "ch": 20.0,
        "easting": 452279.2921,
        "northing": 6510035.8579,
        "existing_z": 174.6278,
        "design_z": 174.977,
        "delta_z": 0.3492
      },
      {
        "ch": 30.0,
        "easting": 452286.3632,
        "northing": 6510028.7868,
        "existing_z": 172.942,
        "design_z": 173.3448,
        "delta_z": 0.4028
      },
      {
        "ch": 40.0,
        "easting": 452293.4343,
        "northing": 6510021.7157,
        "existing_z": 171.2804,
        "design_z": 171.7126,
        "delta_z": 0.4322
      },
      {
        "ch": 50.0,
        "easting": 452300.5053,
        "northing": 6510014.6447,
        "existing_z": 169.6417,
        "design_z": 170.0804,
        "delta_z": 0.4387
      },
      {
        "ch": 58.6161,
        "easting": 452306.5979,
        "northing": 6510008.5521,
        "existing_z": 168.2375,
        "design_z": 168.6741,
        "delta_z": 0.4366
      },
      {
        "ch": 60.0,
        "easting": 452307.5764,
        "northing": 6510007.5736,
        "existing_z": 168.0137,
        "design_z": 168.4487,
        "delta_z": 0.435
      },
      {
        "ch": 70.0,
        "easting": 452314.6475,
        "northing": 6510000.5025,
        "existing_z": 166.4099,
        "design_z": 166.8455,
        "delta_z": 0.4356
      },
      {
        "ch": 78.6161,
        "easting": 452320.74,
        "northing": 6509994.41,
        "existing_z": 165.048,
        "design_z": 165.5006,
        "delta_z": 0.4526
      },
      {
        "ch": 80.0,
        "easting": 452321.7185,
        "northing": 6509993.4315,
        "existing_z": 164.8307,
        "design_z": 165.2877,
        "delta_z": 0.457
      },
      {
        "ch": 90.0,
        "easting": 452328.7896,
        "northing": 6509986.3604,
        "existing_z": 163.2728,
        "design_z": 163.7754,
        "delta_z": 0.5026
      },
      {
        "ch": 98.6161,
        "easting": 452334.8821,
        "northing": 6509980.2679,
        "existing_z": 161.9608,
        "design_z": 162.5088,
        "delta_z": 0.548
      },
      {
        "ch": 100.0,
        "easting": 452335.8607,
        "northing": 6509979.2893,
        "existing_z": 161.7527,
        "design_z": 162.3081,
        "delta_z": 0.5554
      },
      {
        "ch": 110.0,
        "easting": 452342.9317,
        "northing": 6509972.2183,
        "existing_z": 160.2649,
        "design_z": 160.8577,
        "delta_z": 0.5927
      },
      {
        "ch": 120.0,
        "easting": 452350.0028,
        "northing": 6509965.1472,
        "existing_z": 158.8047,
        "design_z": 159.4072,
        "delta_z": 0.6025
      },
      {
        "ch": 130.0,
        "easting": 452357.0739,
        "northing": 6509958.0761,
        "existing_z": 157.4186,
        "design_z": 157.9567,
        "delta_z": 0.5381
      },
      {
        "ch": 140.0,
        "easting": 452364.1449,
        "northing": 6509951.0051,
        "existing_z": 156.0739,
        "design_z": 156.5063,
        "delta_z": 0.4324
      },
      {
        "ch": 150.0,
        "easting": 452371.216,
        "northing": 6509943.934,
        "existing_z": 154.8278,
        "design_z": 155.0558,
        "delta_z": 0.228
      },
      {
        "ch": 157.2323,
        "easting": 452376.33,
        "northing": 6509938.82,
        "existing_z": 154.0068,
        "design_z": 154.0068,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD089",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 262.978,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 14.76,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450117.99,
          6510080.0
        ],
        "end": [
          450216.2818,
          6509981.7082
        ],
        "chainage_start": 0,
        "length": 139.0055966299081
      },
      {
        "type": "ARC",
        "centre": [
          450245.98,
          6510011.4064
        ],
        "radius": 41.999597218042894,
        "start_angle_rad": -2.356194490200185,
        "sweep_rad": 1.5707963267953946,
        "start": [
          450216.2818,
          6509981.7082
        ],
        "end": [
          450275.67819999997,
          6509981.7082
        ],
        "chainage_start": 139.0055966299081,
        "length": 65.97281303698784,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450275.67819999973,
          6509981.708199999
        ],
        "end": [
          450316.69,
          6510022.72
        ],
        "chainage_start": 204.97840966689594,
        "length": 57.99944377783741
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 65.74446336118334,
        "pvi_z": 143.5874870082312,
        "bvc": 45.744463361183335,
        "evc": 85.74446336118334,
        "length": 40.0,
        "g1": -0.14760087934344399,
        "g2": -0.10133728492089061,
        "z_bvc": 146.53950459510008,
        "K_m_per_percent": 8.646107268418408
      },
      {
        "pvi_ch": 131.48892672236667,
        "pvi_z": 136.9251215926279,
        "bvc": 109.97712604508949,
        "evc": 153.00072739964384,
        "length": 43.02360135455436,
        "g1": -0.10133728492089061,
        "g2": -0.029631282663300017,
        "z_bvc": 139.10506906702255,
        "K_m_per_percent": 6.000000000000001
      },
      {
        "pvi_ch": 197.23339008355,
        "pvi_z": 134.9770288152257,
        "bvc": 177.23339008355,
        "evc": 217.23339008355,
        "length": 40.0,
        "g1": -0.029631282663300017,
        "g2": 0.034023684664724226,
        "z_bvc": 135.5696544684917,
        "K_m_per_percent": 6.2838772336294815
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450117.99,
        "northing": 6510080.0,
        "existing_z": 153.2914,
        "design_z": 153.2914,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450125.0611,
        "northing": 6510072.9289,
        "existing_z": 151.7133,
        "design_z": 151.8154,
        "delta_z": 0.1021
      },
      {
        "ch": 20.0,
        "easting": 450132.1321,
        "northing": 6510065.8579,
        "existing_z": 150.1536,
        "design_z": 150.3394,
        "delta_z": 0.1858
      },
      {
        "ch": 30.0,
        "easting": 450139.2032,
        "northing": 6510058.7868,
        "existing_z": 148.5387,
        "design_z": 148.8634,
        "delta_z": 0.3247
      },
      {
        "ch": 40.0,
        "easting": 450146.2743,
        "northing": 6510051.7157,
        "existing_z": 146.9561,
        "design_z": 147.3874,
        "delta_z": 0.4313
      },
      {
        "ch": 45.7445,
        "easting": 450150.3362,
        "northing": 6510047.6538,
        "existing_z": 146.0892,
        "design_z": 146.5395,
        "delta_z": 0.4503
      },
      {
        "ch": 50.0,
        "easting": 450153.3453,
        "northing": 6510044.6447,
        "existing_z": 145.4209,
        "design_z": 145.9219,
        "delta_z": 0.5009
      },
      {
        "ch": 60.0,
        "easting": 450160.4164,
        "northing": 6510037.5736,
        "existing_z": 143.8967,
        "design_z": 144.5529,
        "delta_z": 0.6562
      },
      {
        "ch": 65.7445,
        "easting": 450164.4784,
        "northing": 6510033.5116,
        "existing_z": 143.0504,
        "design_z": 143.8188,
        "delta_z": 0.7684
      },
      {
        "ch": 70.0,
        "easting": 450167.4875,
        "northing": 6510030.5025,
        "existing_z": 142.4373,
        "design_z": 143.2996,
        "delta_z": 0.8623
      },
      {
        "ch": 80.0,
        "easting": 450174.5585,
        "northing": 6510023.4315,
        "existing_z": 141.1551,
        "design_z": 142.162,
        "delta_z": 1.0069
      },
      {
        "ch": 85.7445,
        "easting": 450178.6205,
        "northing": 6510019.3695,
        "existing_z": 140.4452,
        "design_z": 141.5607,
        "delta_z": 1.1155
      },
      {
        "ch": 90.0,
        "easting": 450181.6296,
        "northing": 6510016.3604,
        "existing_z": 139.9345,
        "design_z": 141.1295,
        "delta_z": 1.195
      },
      {
        "ch": 100.0,
        "easting": 450188.7007,
        "northing": 6510009.2893,
        "existing_z": 138.8005,
        "design_z": 140.1161,
        "delta_z": 1.3156
      },
      {
        "ch": 109.9771,
        "easting": 450195.7556,
        "northing": 6510002.2344,
        "existing_z": 137.8631,
        "design_z": 139.1051,
        "delta_z": 1.242
      },
      {
        "ch": 110.0,
        "easting": 450195.7717,
        "northing": 6510002.2183,
        "existing_z": 137.861,
        "design_z": 139.1028,
        "delta_z": 1.2418
      },
      {
        "ch": 120.0,
        "easting": 450202.8428,
        "northing": 6509995.1472,
        "existing_z": 136.9602,
        "design_z": 138.1731,
        "delta_z": 1.2129
      },
      {
        "ch": 130.0,
        "easting": 450209.9139,
        "northing": 6509988.0761,
        "existing_z": 136.1437,
        "design_z": 137.4101,
        "delta_z": 1.2664
      },
      {
        "ch": 131.4889,
        "easting": 450210.9667,
        "northing": 6509987.0233,
        "existing_z": 136.0339,
        "design_z": 137.3108,
        "delta_z": 1.2769
      },
      {
        "ch": 140.0,
        "easting": 450216.9932,
        "northing": 6509981.0134,
        "existing_z": 135.4054,
        "design_z": 136.8138,
        "delta_z": 1.4084
      },
      {
        "ch": 150.0,
        "easting": 450224.9793,
        "northing": 6509975.0342,
        "existing_z": 134.7693,
        "design_z": 136.3841,
        "delta_z": 1.6149
      },
      {
        "ch": 153.0007,
        "easting": 450227.6293,
        "northing": 6509973.6279,
        "existing_z": 134.6145,
        "design_z": 136.2877,
        "delta_z": 1.6732
      },
      {
        "ch": 160.0,
        "easting": 450234.1503,
        "northing": 6509971.1072,
        "existing_z": 134.2808,
        "design_z": 136.0803,
        "delta_z": 1.7995
      },
      {
        "ch": 170.0,
        "easting": 450243.9887,
        "northing": 6509969.454,
        "existing_z": 133.9587,
        "design_z": 135.784,
        "delta_z": 1.8253
      },
      {
        "ch": 177.2334,
        "easting": 450251.2078,
        "northing": 6509969.7334,
        "existing_z": 133.8468,
        "design_z": 135.5697,
        "delta_z": 1.7229
      },
      {
        "ch": 180.0,
        "easting": 450253.9396,
        "northing": 6509970.1679,
        "existing_z": 133.8305,
        "design_z": 135.4938,
        "delta_z": 1.6632
      },
      {
        "ch": 190.0,
        "easting": 450263.4413,
        "northing": 6509973.2086,
        "existing_z": 133.9278,
        "design_z": 135.321,
        "delta_z": 1.3932
      },
      {
        "ch": 197.2334,
        "easting": 450269.7291,
        "northing": 6509976.7662,
        "existing_z": 134.1159,
        "design_z": 135.2953,
        "delta_z": 1.1794
      },
      {
        "ch": 200.0,
        "easting": 450271.9578,
        "northing": 6509978.4046,
        "existing_z": 134.2182,
        "design_z": 135.3075,
        "delta_z": 1.0893
      },
      {
        "ch": 210.0,
        "easting": 450279.229,
        "northing": 6509985.259,
        "existing_z": 134.6556,
        "design_z": 135.453,
        "delta_z": 0.7974
      },
      {
        "ch": 217.2334,
        "easting": 450284.3438,
        "northing": 6509990.3738,
        "existing_z": 134.9656,
        "design_z": 135.6575,
        "delta_z": 0.6919
      },
      {
        "ch": 220.0,
        "easting": 450286.3001,
        "northing": 6509992.3301,
        "existing_z": 135.1124,
        "design_z": 135.7516,
        "delta_z": 0.6392
      },
      {
        "ch": 230.0,
        "easting": 450293.3711,
        "northing": 6509999.4011,
        "existing_z": 135.6214,
        "design_z": 136.0919,
        "delta_z": 0.4705
      },
      {
        "ch": 240.0,
        "easting": 450300.4422,
        "northing": 6510006.4722,
        "existing_z": 136.0889,
        "design_z": 136.4321,
        "delta_z": 0.3432
      },
      {
        "ch": 250.0,
        "easting": 450307.5133,
        "northing": 6510013.5433,
        "existing_z": 136.5757,
        "design_z": 136.7723,
        "delta_z": 0.1967
      },
      {
        "ch": 260.0,
        "easting": 450314.5843,
        "northing": 6510020.6143,
        "existing_z": 137.0774,
        "design_z": 137.1126,
        "delta_z": 0.0351
      },
      {
        "ch": 262.9779,
        "easting": 450316.69,
        "northing": 6510022.72,
        "existing_z": 137.2139,
        "design_z": 137.2139,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD090",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 219.917,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 2.23,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450726.65,
          6509946.07
        ],
        "end": [
          450882.16,
          6510101.57
        ],
        "chainage_start": 0,
        "length": 219.91728013047268
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 73.30576004349089,
        "pvi_z": 138.14126148701797,
        "bvc": 53.30576004349089,
        "evc": 93.30576004349089,
        "length": 40.0,
        "g1": -0.021970156903576232,
        "g2": -0.02232999081840074,
        "z_bvc": 138.5806646250895,
        "K_m_per_percent": 1111.6239562773867
      },
      {
        "pvi_ch": 146.61152008698178,
        "pvi_z": 136.50434453831093,
        "bvc": 126.61152008698178,
        "evc": 166.61152008698178,
        "length": 40.0,
        "g1": -0.02232999081840074,
        "g2": -0.0068387981760114225,
        "z_bvc": 136.95094435467894,
        "K_m_per_percent": 25.821123604483503
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450726.65,
        "northing": 6509946.07,
        "existing_z": 139.7518,
        "design_z": 139.7518,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450733.7213,
        "northing": 6509953.1408,
        "existing_z": 139.6368,
        "design_z": 139.5321,
        "delta_z": -0.1047
      },
      {
        "ch": 20.0,
        "easting": 450740.7926,
        "northing": 6509960.2117,
        "existing_z": 139.4928,
        "design_z": 139.3124,
        "delta_z": -0.1804
      },
      {
        "ch": 30.0,
        "easting": 450747.8639,
        "northing": 6509967.2825,
        "existing_z": 139.3259,
        "design_z": 139.0927,
        "delta_z": -0.2332
      },
      {
        "ch": 40.0,
        "easting": 450754.9352,
        "northing": 6509974.3534,
        "existing_z": 139.1069,
        "design_z": 138.873,
        "delta_z": -0.2339
      },
      {
        "ch": 50.0,
        "easting": 450762.0065,
        "northing": 6509981.4242,
        "existing_z": 138.8591,
        "design_z": 138.6533,
        "delta_z": -0.2059
      },
      {
        "ch": 53.3058,
        "easting": 450764.3441,
        "northing": 6509983.7617,
        "existing_z": 138.7743,
        "design_z": 138.5807,
        "delta_z": -0.1937
      },
      {
        "ch": 60.0,
        "easting": 450769.0778,
        "northing": 6509988.495,
        "existing_z": 138.5982,
        "design_z": 138.4334,
        "delta_z": -0.1648
      },
      {
        "ch": 70.0,
        "easting": 450776.1491,
        "northing": 6509995.5659,
        "existing_z": 138.3211,
        "design_z": 138.2126,
        "delta_z": -0.1085
      },
      {
        "ch": 73.3058,
        "easting": 450778.4867,
        "northing": 6509997.9033,
        "existing_z": 138.2286,
        "design_z": 138.1395,
        "delta_z": -0.0891
      },
      {
        "ch": 80.0,
        "easting": 450783.2204,
        "northing": 6510002.6367,
        "existing_z": 138.0401,
        "design_z": 137.991,
        "delta_z": -0.0491
      },
      {
        "ch": 90.0,
        "easting": 450790.2917,
        "northing": 6510009.7076,
        "existing_z": 137.7556,
        "design_z": 137.7684,
        "delta_z": 0.0128
      },
      {
        "ch": 93.3058,
        "easting": 450792.6293,
        "northing": 6510012.045,
        "existing_z": 137.6608,
        "design_z": 137.6947,
        "delta_z": 0.0338
      },
      {
        "ch": 100.0,
        "easting": 450797.363,
        "northing": 6510016.7784,
        "existing_z": 137.4704,
        "design_z": 137.5452,
        "delta_z": 0.0748
      },
      {
        "ch": 110.0,
        "easting": 450804.4342,
        "northing": 6510023.8492,
        "existing_z": 137.1882,
        "design_z": 137.3219,
        "delta_z": 0.1337
      },
      {
        "ch": 120.0,
        "easting": 450811.5055,
        "northing": 6510030.9201,
        "existing_z": 136.9048,
        "design_z": 137.0986,
        "delta_z": 0.1938
      },
      {
        "ch": 126.6115,
        "easting": 450816.1807,
        "northing": 6510035.595,
        "existing_z": 136.714,
        "design_z": 136.9509,
        "delta_z": 0.237
      },
      {
        "ch": 130.0,
        "easting": 450818.5768,
        "northing": 6510037.9909,
        "existing_z": 136.6195,
        "design_z": 136.8775,
        "delta_z": 0.258
      },
      {
        "ch": 140.0,
        "easting": 450825.6481,
        "northing": 6510045.0618,
        "existing_z": 136.3539,
        "design_z": 136.6867,
        "delta_z": 0.3328
      },
      {
        "ch": 146.6115,
        "easting": 450830.3233,
        "northing": 6510049.7367,
        "existing_z": 136.1888,
        "design_z": 136.5818,
        "delta_z": 0.393
      },
      {
        "ch": 150.0,
        "easting": 450832.7194,
        "northing": 6510052.1326,
        "existing_z": 136.133,
        "design_z": 136.5346,
        "delta_z": 0.4016
      },
      {
        "ch": 160.0,
        "easting": 450839.7907,
        "northing": 6510059.2034,
        "existing_z": 136.0186,
        "design_z": 136.4212,
        "delta_z": 0.4027
      },
      {
        "ch": 166.6115,
        "easting": 450844.4659,
        "northing": 6510063.8783,
        "existing_z": 135.9767,
        "design_z": 136.3676,
        "delta_z": 0.3909
      },
      {
        "ch": 170.0,
        "easting": 450846.862,
        "northing": 6510066.2743,
        "existing_z": 135.9656,
        "design_z": 136.3444,
        "delta_z": 0.3788
      },
      {
        "ch": 180.0,
        "easting": 450853.9333,
        "northing": 6510073.3451,
        "existing_z": 135.9579,
        "design_z": 136.276,
        "delta_z": 0.3181
      },
      {
        "ch": 190.0,
        "easting": 450861.0046,
        "northing": 6510080.416,
        "existing_z": 135.9679,
        "design_z": 136.2076,
        "delta_z": 0.2397
      },
      {
        "ch": 200.0,
        "easting": 450868.0759,
        "northing": 6510087.4868,
        "existing_z": 135.9896,
        "design_z": 136.1392,
        "delta_z": 0.1496
      },
      {
        "ch": 210.0,
        "easting": 450875.1472,
        "northing": 6510094.5576,
        "existing_z": 135.9986,
        "design_z": 136.0708,
        "delta_z": 0.0722
      },
      {
        "ch": 219.9173,
        "easting": 450882.16,
        "northing": 6510101.57,
        "existing_z": 136.003,
        "design_z": 136.003,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD091",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 270.567,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.5,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451141.54,
          6509936.69
        ],
        "end": [
          451332.8599999997,
          6510128.01
        ],
        "chainage_start": 0,
        "length": 270.56733875257186
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 67.64183468814296,
        "pvi_z": 148.35837397627927,
        "bvc": 47.641834688142964,
        "evc": 87.64183468814296,
        "length": 40.0,
        "g1": 0.12379911063747592,
        "g2": 0.12499097776268678,
        "z_bvc": 145.88239176352974,
        "K_m_per_percent": 335.60788072683476
      },
      {
        "pvi_ch": 135.28366937628593,
        "pvi_z": 156.81299303161228,
        "bvc": 115.28366937628593,
        "evc": 155.28366937628593,
        "length": 40.0,
        "g1": 0.12499097776268678,
        "g2": 0.08092094461485444,
        "z_bvc": 154.31317347635854,
        "K_m_per_percent": 9.076462426479358
      },
      {
        "pvi_ch": 202.92550406442888,
        "pvi_z": 162.28663419005863,
        "bvc": 182.92550406442888,
        "evc": 222.92550406442888,
        "length": 40.0,
        "g1": 0.08092094461485444,
        "g2": 0.0478505131231352,
        "z_bvc": 160.66821529776155,
        "K_m_per_percent": 12.095397064902498
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451141.54,
        "northing": 6509936.69,
        "existing_z": 139.9844,
        "design_z": 139.9844,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451148.6111,
        "northing": 6509943.7611,
        "existing_z": 140.9944,
        "design_z": 141.2224,
        "delta_z": 0.228
      },
      {
        "ch": 20.0,
        "easting": 451155.6821,
        "northing": 6509950.8321,
        "existing_z": 142.1322,
        "design_z": 142.4604,
        "delta_z": 0.3281
      },
      {
        "ch": 30.0,
        "easting": 451162.7532,
        "northing": 6509957.9032,
        "existing_z": 143.3197,
        "design_z": 143.6983,
        "delta_z": 0.3787
      },
      {
        "ch": 40.0,
        "easting": 451169.8243,
        "northing": 6509964.9743,
        "existing_z": 144.5375,
        "design_z": 144.9363,
        "delta_z": 0.3988
      },
      {
        "ch": 47.6418,
        "easting": 451175.2279,
        "northing": 6509970.3779,
        "existing_z": 145.5413,
        "design_z": 145.8824,
        "delta_z": 0.3411
      },
      {
        "ch": 50.0,
        "easting": 451176.8953,
        "northing": 6509972.0453,
        "existing_z": 145.8379,
        "design_z": 146.1744,
        "delta_z": 0.3365
      },
      {
        "ch": 60.0,
        "easting": 451183.9664,
        "northing": 6509979.1164,
        "existing_z": 147.1228,
        "design_z": 147.4146,
        "delta_z": 0.2917
      },
      {
        "ch": 67.6418,
        "easting": 451189.37,
        "northing": 6509984.52,
        "existing_z": 148.1341,
        "design_z": 148.3643,
        "delta_z": 0.2302
      },
      {
        "ch": 70.0,
        "easting": 451191.0375,
        "northing": 6509986.1875,
        "existing_z": 148.4729,
        "design_z": 148.6578,
        "delta_z": 0.1848
      },
      {
        "ch": 80.0,
        "easting": 451198.1085,
        "northing": 6509993.2585,
        "existing_z": 149.9491,
        "design_z": 149.9039,
        "delta_z": -0.0452
      },
      {
        "ch": 87.6418,
        "easting": 451203.5121,
        "northing": 6509998.6621,
        "existing_z": 151.0603,
        "design_z": 150.8582,
        "delta_z": -0.2021
      },
      {
        "ch": 90.0,
        "easting": 451205.1796,
        "northing": 6510000.3296,
        "existing_z": 151.4071,
        "design_z": 151.1529,
        "delta_z": -0.2542
      },
      {
        "ch": 100.0,
        "easting": 451212.2507,
        "northing": 6510007.4007,
        "existing_z": 152.9085,
        "design_z": 152.4029,
        "delta_z": -0.5057
      },
      {
        "ch": 110.0,
        "easting": 451219.3217,
        "northing": 6510014.4717,
        "existing_z": 154.3482,
        "design_z": 153.6528,
        "delta_z": -0.6955
      },
      {
        "ch": 115.2837,
        "easting": 451223.0579,
        "northing": 6510018.2079,
        "existing_z": 155.0692,
        "design_z": 154.3132,
        "delta_z": -0.756
      },
      {
        "ch": 120.0,
        "easting": 451226.3928,
        "northing": 6510021.5428,
        "existing_z": 155.7027,
        "design_z": 154.8904,
        "delta_z": -0.8123
      },
      {
        "ch": 130.0,
        "easting": 451233.4639,
        "northing": 6510028.6139,
        "existing_z": 156.9632,
        "design_z": 156.0333,
        "delta_z": -0.93
      },
      {
        "ch": 135.2837,
        "easting": 451237.2,
        "northing": 6510032.35,
        "existing_z": 157.5392,
        "design_z": 156.5926,
        "delta_z": -0.9465
      },
      {
        "ch": 140.0,
        "easting": 451240.5349,
        "northing": 6510035.6849,
        "existing_z": 158.0198,
        "design_z": 157.066,
        "delta_z": -0.9538
      },
      {
        "ch": 150.0,
        "easting": 451247.606,
        "northing": 6510042.756,
        "existing_z": 158.9973,
        "design_z": 157.9885,
        "delta_z": -1.0088
      },
      {
        "ch": 155.2837,
        "easting": 451251.3421,
        "northing": 6510046.4921,
        "existing_z": 159.4778,
        "design_z": 158.4314,
        "delta_z": -1.0464
      },
      {
        "ch": 160.0,
        "easting": 451254.6771,
        "northing": 6510049.8271,
        "existing_z": 159.8747,
        "design_z": 158.8131,
        "delta_z": -1.0617
      },
      {
        "ch": 170.0,
        "easting": 451261.7482,
        "northing": 6510056.8982,
        "existing_z": 160.6052,
        "design_z": 159.6223,
        "delta_z": -0.9829
      },
      {
        "ch": 180.0,
        "easting": 451268.8192,
        "northing": 6510063.9692,
        "existing_z": 161.3051,
        "design_z": 160.4315,
        "delta_z": -0.8736
      },
      {
        "ch": 182.9255,
        "easting": 451270.8879,
        "northing": 6510066.0379,
        "existing_z": 161.5044,
        "design_z": 160.6682,
        "delta_z": -0.8361
      },
      {
        "ch": 190.0,
        "easting": 451275.8903,
        "northing": 6510071.0403,
        "existing_z": 161.9677,
        "design_z": 161.22,
        "delta_z": -0.7477
      },
      {
        "ch": 200.0,
        "easting": 451282.9614,
        "northing": 6510078.1114,
        "existing_z": 162.5415,
        "design_z": 161.9294,
        "delta_z": -0.6121
      },
      {
        "ch": 202.9255,
        "easting": 451285.03,
        "northing": 6510080.18,
        "existing_z": 162.7056,
        "design_z": 162.1213,
        "delta_z": -0.5843
      },
      {
        "ch": 210.0,
        "easting": 451290.0324,
        "northing": 6510085.1824,
        "existing_z": 163.0952,
        "design_z": 162.5561,
        "delta_z": -0.5391
      },
      {
        "ch": 220.0,
        "easting": 451297.1035,
        "northing": 6510092.2535,
        "existing_z": 163.627,
        "design_z": 163.1001,
        "delta_z": -0.5269
      },
      {
        "ch": 222.9255,
        "easting": 451299.1721,
        "northing": 6510094.3221,
        "existing_z": 163.7678,
        "design_z": 163.2436,
        "delta_z": -0.5242
      },
      {
        "ch": 230.0,
        "easting": 451304.1746,
        "northing": 6510099.3246,
        "existing_z": 164.0999,
        "design_z": 163.5822,
        "delta_z": -0.5177
      },
      {
        "ch": 240.0,
        "easting": 451311.2456,
        "northing": 6510106.3956,
        "existing_z": 164.5444,
        "design_z": 164.0607,
        "delta_z": -0.4838
      },
      {
        "ch": 250.0,
        "easting": 451318.3167,
        "northing": 6510113.4667,
        "existing_z": 164.9218,
        "design_z": 164.5392,
        "delta_z": -0.3827
      },
      {
        "ch": 260.0,
        "easting": 451325.3878,
        "northing": 6510120.5378,
        "existing_z": 165.2404,
        "design_z": 165.0177,
        "delta_z": -0.2227
      },
      {
        "ch": 270.0,
        "easting": 451332.4588,
        "northing": 6510127.6088,
        "existing_z": 165.5109,
        "design_z": 165.4962,
        "delta_z": -0.0147
      },
      {
        "ch": 270.5673,
        "easting": 451332.86,
        "northing": 6510128.01,
        "existing_z": 165.5233,
        "design_z": 165.5233,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD092",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 271.097,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 16.61,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450219.41,
          6510120.0
        ],
        "end": [
          450323.967099077,
          6510015.450699036
        ],
        "chainage_start": 0,
        "length": 147.86055356133392
      },
      {
        "type": "ARC",
        "centre": [
          450353.488899036,
          6510044.974700964
        ],
        "radius": 41.75168694397674,
        "start_angle_rad": -2.356157197633595,
        "sweep_rad": 1.5707590342350022,
        "start": [
          450323.967099077,
          6510015.450699036
        ],
        "end": [
          450383.01180000004,
          6510015.4518
        ],
        "chainage_start": 147.86055356133392,
        "length": 65.58183946180306,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450383.01180000004,
          6510015.4518
        ],
        "end": [
          450423.78000000014,
          6510056.22
        ],
        "chainage_start": 213.44239302313696,
        "length": 57.654941353485405
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 67.77433359415559,
        "pvi_z": 146.2042323455193,
        "bvc": 47.77433359415559,
        "evc": 87.77433359415559,
        "length": 40.0,
        "g1": -0.16608714771689495,
        "g2": -0.1182196841999296,
        "z_bvc": 149.5259752998572,
        "K_m_per_percent": 8.356406849471577
      },
      {
        "pvi_ch": 135.54866718831119,
        "pvi_z": 138.19197203115755,
        "bvc": 115.54866718831119,
        "evc": 155.54866718831119,
        "length": 40.0,
        "g1": -0.1182196841999296,
        "g2": -0.055233647547981754,
        "z_bvc": 140.55636571515615,
        "K_m_per_percent": 6.350613902099362
      },
      {
        "pvi_ch": 203.32300078246678,
        "pvi_z": 134.44854837661862,
        "bvc": 183.32300078246678,
        "evc": 223.32300078246678,
        "length": 40.0,
        "g1": -0.055233647547981754,
        "g2": 0.00012628921411383367,
        "z_bvc": 135.55322132757826,
        "K_m_per_percent": 7.22544177965673
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450219.41,
        "northing": 6510120.0,
        "existing_z": 157.4607,
        "design_z": 157.4607,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450226.4813,
        "northing": 6510112.9292,
        "existing_z": 155.2511,
        "design_z": 155.7998,
        "delta_z": 0.5487
      },
      {
        "ch": 20.0,
        "easting": 450233.5527,
        "northing": 6510105.8584,
        "existing_z": 153.2368,
        "design_z": 154.1389,
        "delta_z": 0.9021
      },
      {
        "ch": 30.0,
        "easting": 450240.624,
        "northing": 6510098.7876,
        "existing_z": 151.3608,
        "design_z": 152.4781,
        "delta_z": 1.1173
      },
      {
        "ch": 40.0,
        "easting": 450247.6953,
        "northing": 6510091.7168,
        "existing_z": 149.6773,
        "design_z": 150.8172,
        "delta_z": 1.1399
      },
      {
        "ch": 47.7743,
        "easting": 450253.1928,
        "northing": 6510086.2197,
        "existing_z": 148.4471,
        "design_z": 149.526,
        "delta_z": 1.0789
      },
      {
        "ch": 50.0,
        "easting": 450254.7667,
        "northing": 6510084.646,
        "existing_z": 148.1027,
        "design_z": 149.1593,
        "delta_z": 1.0566
      },
      {
        "ch": 60.0,
        "easting": 450261.838,
        "northing": 6510077.5752,
        "existing_z": 146.6384,
        "design_z": 147.5849,
        "delta_z": 0.9465
      },
      {
        "ch": 67.7743,
        "easting": 450267.3355,
        "northing": 6510072.0781,
        "existing_z": 145.5939,
        "design_z": 146.4436,
        "delta_z": 0.8497
      },
      {
        "ch": 70.0,
        "easting": 450268.9093,
        "northing": 6510070.5044,
        "existing_z": 145.31,
        "design_z": 146.1301,
        "delta_z": 0.8202
      },
      {
        "ch": 80.0,
        "easting": 450275.9807,
        "northing": 6510063.4336,
        "existing_z": 143.9713,
        "design_z": 144.7951,
        "delta_z": 0.8237
      },
      {
        "ch": 87.7743,
        "easting": 450281.4781,
        "northing": 6510057.9365,
        "existing_z": 142.9789,
        "design_z": 143.8398,
        "delta_z": 0.8609
      },
      {
        "ch": 90.0,
        "easting": 450283.052,
        "northing": 6510056.3628,
        "existing_z": 142.7044,
        "design_z": 143.5767,
        "delta_z": 0.8723
      },
      {
        "ch": 100.0,
        "easting": 450290.1233,
        "northing": 6510049.292,
        "existing_z": 141.5115,
        "design_z": 142.3945,
        "delta_z": 0.883
      },
      {
        "ch": 110.0,
        "easting": 450297.1946,
        "northing": 6510042.2212,
        "existing_z": 140.2611,
        "design_z": 141.2123,
        "delta_z": 0.9512
      },
      {
        "ch": 115.5487,
        "easting": 450301.1183,
        "northing": 6510038.2978,
        "existing_z": 139.5978,
        "design_z": 140.5564,
        "delta_z": 0.9585
      },
      {
        "ch": 120.0,
        "easting": 450304.266,
        "northing": 6510035.1504,
        "existing_z": 139.0814,
        "design_z": 140.0457,
        "delta_z": 0.9643
      },
      {
        "ch": 130.0,
        "easting": 450311.3373,
        "northing": 6510028.0795,
        "existing_z": 137.9816,
        "design_z": 139.0124,
        "delta_z": 1.0308
      },
      {
        "ch": 135.5487,
        "easting": 450315.261,
        "northing": 6510024.1562,
        "existing_z": 137.4154,
        "design_z": 138.5069,
        "delta_z": 1.0915
      },
      {
        "ch": 140.0,
        "easting": 450318.4086,
        "northing": 6510021.0087,
        "existing_z": 136.977,
        "design_z": 138.1365,
        "delta_z": 1.1595
      },
      {
        "ch": 150.0,
        "easting": 450325.5181,
        "northing": 6510013.9774,
        "existing_z": 136.0458,
        "design_z": 137.418,
        "delta_z": 1.3722
      },
      {
        "ch": 155.5487,
        "easting": 450329.872,
        "northing": 6510010.5444,
        "existing_z": 135.5908,
        "design_z": 137.0873,
        "delta_z": 1.4965
      },
      {
        "ch": 160.0,
        "easting": 450333.67,
        "northing": 6510008.2267,
        "existing_z": 135.2659,
        "design_z": 136.8414,
        "delta_z": 1.5756
      },
      {
        "ch": 170.0,
        "easting": 450342.9533,
        "northing": 6510004.5741,
        "existing_z": 134.6688,
        "design_z": 136.2891,
        "delta_z": 1.6203
      },
      {
        "ch": 180.0,
        "easting": 450352.8382,
        "northing": 6510003.2281,
        "existing_z": 134.2222,
        "design_z": 135.7368,
        "delta_z": 1.5146
      },
      {
        "ch": 183.323,
        "easting": 450356.1594,
        "northing": 6510003.3085,
        "existing_z": 134.0958,
        "design_z": 135.5532,
        "delta_z": 1.4575
      },
      {
        "ch": 190.0,
        "easting": 450362.7603,
        "northing": 6510004.2654,
        "existing_z": 133.8904,
        "design_z": 135.2153,
        "delta_z": 1.3249
      },
      {
        "ch": 200.0,
        "easting": 450372.153,
        "northing": 6510007.6269,
        "existing_z": 133.6968,
        "design_z": 134.8246,
        "delta_z": 1.1278
      },
      {
        "ch": 203.323,
        "easting": 450375.0633,
        "northing": 6510009.2291,
        "existing_z": 133.6635,
        "design_z": 134.7253,
        "delta_z": 1.0619
      },
      {
        "ch": 210.0,
        "easting": 450380.4801,
        "northing": 6510013.1207,
        "existing_z": 133.6828,
        "design_z": 134.5722,
        "delta_z": 0.8895
      },
      {
        "ch": 220.0,
        "easting": 450387.6487,
        "northing": 6510020.0887,
        "existing_z": 133.7957,
        "design_z": 134.4583,
        "delta_z": 0.6626
      },
      {
        "ch": 223.323,
        "easting": 450389.9984,
        "northing": 6510022.4384,
        "existing_z": 133.823,
        "design_z": 134.4511,
        "delta_z": 0.628
      },
      {
        "ch": 230.0,
        "easting": 450394.7198,
        "northing": 6510027.1598,
        "existing_z": 133.9134,
        "design_z": 134.4519,
        "delta_z": 0.5385
      },
      {
        "ch": 240.0,
        "easting": 450401.7909,
        "northing": 6510034.2309,
        "existing_z": 134.0676,
        "design_z": 134.4532,
        "delta_z": 0.3856
      },
      {
        "ch": 250.0,
        "easting": 450408.8619,
        "northing": 6510041.3019,
        "existing_z": 134.2009,
        "design_z": 134.4544,
        "delta_z": 0.2536
      },
      {
        "ch": 260.0,
        "easting": 450415.933,
        "northing": 6510048.373,
        "existing_z": 134.3278,
        "design_z": 134.4557,
        "delta_z": 0.1279
      },
      {
        "ch": 270.0,
        "easting": 450423.0041,
        "northing": 6510055.4441,
        "existing_z": 134.4458,
        "design_z": 134.457,
        "delta_z": 0.0111
      },
      {
        "ch": 271.0973,
        "easting": 450423.78,
        "northing": 6510056.22,
        "existing_z": 134.4571,
        "design_z": 134.4571,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD093",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 34.023,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.0,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452265.15,
          6510050.0
        ],
        "end": [
          452254.7242532743,
          6510050.0
        ],
        "chainage_start": 0,
        "length": 10.425746725697536
      },
      {
        "type": "ARC",
        "centre": [
          452254.7242532743,
          6510052.880954564
        ],
        "radius": 2.880954563717783,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": -2.046371799514114,
        "start": [
          452254.7242532743,
          6510050.0
        ],
        "end": [
          452252.163,
          6510054.2
        ],
        "chainage_start": 10.425746725697536,
        "length": 5.89550417487356,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452252.163,
          6510054.2
        ],
        "end": [
          452252.987,
          6510055.8
        ],
        "chainage_start": 16.321250900571094,
        "length": 1.799715532756425
      },
      {
        "type": "ARC",
        "centre": [
          452256.0524145562,
          6510054.221311503
        ],
        "radius": 3.4480463700796045,
        "start_angle_rad": 2.6660171807981263,
        "sweep_rad": -1.8806190174731272,
        "start": [
          452252.987,
          6510055.8
        ],
        "end": [
          452258.49055152637,
          6510056.659448474
        ],
        "chainage_start": 18.12096643332752,
        "length": 6.484461576700888,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452258.49055152654,
          6510056.659448473
        ],
        "end": [
          452265.15,
          6510050.0
        ],
        "chainage_start": 24.605428010028408,
        "length": 9.417882348628378
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 452265.15,
        "northing": 6510050.0,
        "existing_z": 178.2414,
        "design_z": 178.2414,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452255.15,
        "northing": 6510050.0,
        "existing_z": 179.7233,
        "design_z": 178.2414,
        "delta_z": -1.4819
      },
      {
        "ch": 20.0,
        "easting": 452254.2494,
        "northing": 6510057.1604,
        "existing_z": 181.0415,
        "design_z": 178.2414,
        "delta_z": -2.8001
      },
      {
        "ch": 30.0,
        "easting": 452262.3051,
        "northing": 6510052.8449,
        "existing_z": 179.1062,
        "design_z": 178.2414,
        "delta_z": -0.8648
      },
      {
        "ch": 34.0233,
        "easting": 452265.15,
        "northing": 6510050.0,
        "existing_z": 178.2414,
        "design_z": 178.2414,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD094",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 358.89,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.76,
    "radius_review_count": 6,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451873.6197508743,
          6510126.786091754
        ],
        "end": [
          451996.90098495956,
          6510055.609227489
        ],
        "chainage_start": 0,
        "length": 142.35311266091503
      },
      {
        "type": "ARC",
        "centre": [
          452019.40108230244,
          6510094.580314458
        ],
        "radius": 45.0,
        "start_angle_rad": -2.094397600210086,
        "sweep_rad": 0.15870778438175653,
        "start": [
          451996.90098495956,
          6510055.609227489
        ],
        "end": [
          452003.34284139104,
          6510052.543034589
        ],
        "chainage_start": 142.35311266091503,
        "length": 7.141850297179044,
        "target_radius": 45,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          452003.3428413912,
          6510052.543034589
        ],
        "end": [
          452005.8,
          6510051.604400001
        ],
        "chainage_start": 149.49496295809408,
        "length": 2.630335210416993
      },
      {
        "type": "ARC",
        "centre": [
          452005.5039907295,
          6510050.829506623
        ],
        "radius": 0.8295066219192825,
        "start_angle_rad": 1.205902837655358,
        "sweep_rad": -2.7766991645522037,
        "start": [
          452005.8,
          6510051.604400001
        ],
        "end": [
          452005.5039907295,
          6510050.0
        ],
        "chainage_start": 152.12529816851108,
        "length": 2.303290344073792,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452005.50399072946,
          6510050.000000001
        ],
        "end": [
          451998.4,
          6510050.0
        ],
        "chainage_start": 154.42858851258487,
        "length": 7.103990729432553
      },
      {
        "type": "ARC",
        "centre": [
          451998.4,
          6510070.2793939235
        ],
        "radius": 20.279393923934,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451998.4,
          6510050.0
        ],
        "end": [
          451984.06030303804,
          6510055.939696962
        ],
        "chainage_start": 161.53257924201742,
        "length": 15.927398742671137,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451984.06030303804,
          6510055.939696961
        ],
        "end": [
          451978.4,
          6510061.6
        ],
        "chainage_start": 177.45997798468855,
        "length": 8.00487732388148
      },
      {
        "type": "ARC",
        "centre": [
          451958.1206060761,
          6510041.320606076
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 0.7853981633859671,
        "sweep_rad": 0.7853981633974484,
        "start": [
          451978.4,
          6510061.6
        ],
        "end": [
          451958.1206060761,
          6510070.0
        ],
        "chainage_start": 185.46485530857004,
        "length": 22.524743315209697,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451958.12060607644,
          6510070.0
        ],
        "end": [
          451941.8793939239,
          6510070.0
        ],
        "chainage_start": 207.98959862377973,
        "length": 16.241212152526714
      },
      {
        "type": "ARC",
        "centre": [
          451941.8793939239,
          6510041.320606076
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          451941.8793939239,
          6510070.0
        ],
        "end": [
          451921.6,
          6510061.6
        ],
        "chainage_start": 224.23081077630644,
        "length": 22.524743315209697,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451921.6,
          6510061.6
        ],
        "end": [
          451918.4,
          6510058.4
        ],
        "chainage_start": 246.75555409151613,
        "length": 4.525483399034141
      },
      {
        "type": "ARC",
        "centre": [
          451938.67939392396,
          6510038.120606077
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 2.356194490203826,
        "sweep_rad": 0.7853981633974484,
        "start": [
          451918.4,
          6510058.4
        ],
        "end": [
          451910.0,
          6510038.120606076
        ],
        "chainage_start": 251.28103749055026,
        "length": 22.524743315209697,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451910.0,
          6510038.120606077
        ],
        "end": [
          451910.0,
          6510026.8
        ],
        "chainage_start": 273.80578080576,
        "length": 11.320606077089906
      },
      {
        "type": "ARC",
        "centre": [
          451952.5658651777,
          6510026.8
        ],
        "radius": 42.56586517774265,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.7518277889614436,
        "start": [
          451910.0,
          6510026.8
        ],
        "end": [
          451921.47397989087,
          6509997.728578507
        ],
        "chainage_start": 285.1263868828499,
        "length": 32.00220030181317,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451921.4739798908,
          6509997.728578507
        ],
        "end": [
          451949.99606503407,
          6509967.224208446
        ],
        "chainage_start": 317.12858718466305,
        "length": 41.76153653449699
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 71.778024743832,
        "pvi_z": 167.17929143249498,
        "bvc": 51.778024743832006,
        "evc": 91.778024743832,
        "length": 40.0,
        "g1": 0.025423662557780828,
        "g2": 0.048896546784888494,
        "z_bvc": 166.67081818133937,
        "K_m_per_percent": 17.040939499802068
      },
      {
        "pvi_ch": 143.556049487664,
        "pvi_z": 170.68898897750864,
        "bvc": 112.21722938454185,
        "evc": 174.8948695907862,
        "length": 62.67764020624432,
        "g1": 0.048896546784888494,
        "g2": -0.05556618689218538,
        "z_bvc": 169.15662889415313,
        "K_m_per_percent": 5.999999999999999
      },
      {
        "pvi_ch": 215.334074231496,
        "pvi_z": 166.70055783984097,
        "bvc": 195.334074231496,
        "evc": 235.334074231496,
        "length": 40.0,
        "g1": -0.05556618689218538,
        "g2": -0.06764600849726375,
        "z_bvc": 167.8118815776847,
        "K_m_per_percent": 33.11307178839789
      },
      {
        "pvi_ch": 287.112098975328,
        "pvi_z": 161.8450609681029,
        "bvc": 267.112098975328,
        "evc": 307.112098975328,
        "length": 40.0,
        "g1": -0.06764600849726375,
        "g2": -0.024232957929015107,
        "z_bvc": 163.19798113804816,
        "K_m_per_percent": 9.213819226344608
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451873.6198,
        "northing": 6510126.7861,
        "existing_z": 165.3544,
        "design_z": 165.3544,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451882.28,
        "northing": 6510121.7861,
        "existing_z": 165.1369,
        "design_z": 165.6087,
        "delta_z": 0.4717
      },
      {
        "ch": 20.0,
        "easting": 451890.9402,
        "northing": 6510116.786,
        "existing_z": 164.95,
        "design_z": 165.8629,
        "delta_z": 0.9129
      },
      {
        "ch": 30.0,
        "easting": 451899.6005,
        "northing": 6510111.786,
        "existing_z": 164.9484,
        "design_z": 166.1171,
        "delta_z": 1.1687
      },
      {
        "ch": 40.0,
        "easting": 451908.2607,
        "northing": 6510106.786,
        "existing_z": 164.9887,
        "design_z": 166.3714,
        "delta_z": 1.3827
      },
      {
        "ch": 50.0,
        "easting": 451916.921,
        "northing": 6510101.786,
        "existing_z": 165.2852,
        "design_z": 166.6256,
        "delta_z": 1.3404
      },
      {
        "ch": 51.778,
        "easting": 451918.4608,
        "northing": 6510100.897,
        "existing_z": 165.3478,
        "design_z": 166.6708,
        "delta_z": 1.323
      },
      {
        "ch": 60.0,
        "easting": 451925.5812,
        "northing": 6510096.786,
        "existing_z": 165.6352,
        "design_z": 166.8997,
        "delta_z": 1.2645
      },
      {
        "ch": 70.0,
        "easting": 451934.2414,
        "northing": 6510091.7859,
        "existing_z": 166.1133,
        "design_z": 167.2315,
        "delta_z": 1.1182
      },
      {
        "ch": 71.778,
        "easting": 451935.7813,
        "northing": 6510090.8969,
        "existing_z": 166.2216,
        "design_z": 167.2967,
        "delta_z": 1.075
      },
      {
        "ch": 80.0,
        "easting": 451942.9017,
        "northing": 6510086.7859,
        "existing_z": 166.7112,
        "design_z": 167.622,
        "delta_z": 0.9108
      },
      {
        "ch": 90.0,
        "easting": 451951.5619,
        "northing": 6510081.7859,
        "existing_z": 167.3306,
        "design_z": 168.0712,
        "delta_z": 0.7406
      },
      {
        "ch": 91.778,
        "easting": 451953.1017,
        "northing": 6510080.8969,
        "existing_z": 167.4765,
        "design_z": 168.1572,
        "delta_z": 0.6807
      },
      {
        "ch": 100.0,
        "easting": 451960.2222,
        "northing": 6510076.7859,
        "existing_z": 168.143,
        "design_z": 168.5592,
        "delta_z": 0.4163
      },
      {
        "ch": 110.0,
        "easting": 451968.8824,
        "northing": 6510071.7859,
        "existing_z": 168.9357,
        "design_z": 169.0482,
        "delta_z": 0.1125
      },
      {
        "ch": 112.2172,
        "easting": 451970.8026,
        "northing": 6510070.6772,
        "existing_z": 169.1392,
        "design_z": 169.1566,
        "delta_z": 0.0174
      },
      {
        "ch": 120.0,
        "easting": 451977.5426,
        "northing": 6510066.7858,
        "existing_z": 169.9759,
        "design_z": 169.4867,
        "delta_z": -0.4892
      },
      {
        "ch": 130.0,
        "easting": 451986.2029,
        "northing": 6510061.7858,
        "existing_z": 171.0195,
        "design_z": 169.7626,
        "delta_z": -1.2568
      },
      {
        "ch": 140.0,
        "easting": 451994.8631,
        "northing": 6510056.7858,
        "existing_z": 172.3353,
        "design_z": 169.8719,
        "delta_z": -2.4634
      },
      {
        "ch": 143.556,
        "easting": 451997.9507,
        "northing": 6510055.0218,
        "existing_z": 172.882,
        "design_z": 169.8706,
        "delta_z": -3.0115
      },
      {
        "ch": 150.0,
        "easting": 452003.8146,
        "northing": 6510052.3628,
        "existing_z": 173.9611,
        "design_z": 169.8145,
        "delta_z": -4.1466
      },
      {
        "ch": 160.0,
        "easting": 451999.9326,
        "northing": 6510050.0,
        "existing_z": 172.9416,
        "design_z": 169.5904,
        "delta_z": -3.3512
      },
      {
        "ch": 170.0,
        "easting": 451990.1765,
        "northing": 6510051.7422,
        "existing_z": 170.9528,
        "design_z": 169.1996,
        "delta_z": -1.7532
      },
      {
        "ch": 174.8949,
        "easting": 451985.9838,
        "northing": 6510054.2453,
        "existing_z": 170.4644,
        "design_z": 168.9476,
        "delta_z": -1.5168
      },
      {
        "ch": 180.0,
        "easting": 451982.2642,
        "northing": 6510057.7358,
        "existing_z": 170.1206,
        "design_z": 168.6639,
        "delta_z": -1.4566
      },
      {
        "ch": 190.0,
        "easting": 451974.9535,
        "northing": 6510064.5405,
        "existing_z": 169.4144,
        "design_z": 168.1083,
        "delta_z": -1.3062
      },
      {
        "ch": 195.3341,
        "easting": 451970.3694,
        "northing": 6510067.2527,
        "existing_z": 168.8551,
        "design_z": 167.8119,
        "delta_z": -1.0432
      },
      {
        "ch": 200.0,
        "easting": 451966.0073,
        "northing": 6510068.8943,
        "existing_z": 168.4075,
        "design_z": 167.5493,
        "delta_z": -0.8582
      },
      {
        "ch": 210.0,
        "easting": 451956.1102,
        "northing": 6510070.0,
        "existing_z": 167.2527,
        "design_z": 166.9645,
        "delta_z": -0.2883
      },
      {
        "ch": 215.3341,
        "easting": 451950.7761,
        "northing": 6510070.0,
        "existing_z": 166.5933,
        "design_z": 166.6402,
        "delta_z": 0.0469
      },
      {
        "ch": 220.0,
        "easting": 451946.1102,
        "northing": 6510070.0,
        "existing_z": 166.1368,
        "design_z": 166.3494,
        "delta_z": 0.2126
      },
      {
        "ch": 230.0,
        "easting": 451936.149,
        "northing": 6510069.4217,
        "existing_z": 165.1821,
        "design_z": 165.7042,
        "delta_z": 0.5221
      },
      {
        "ch": 235.3341,
        "easting": 451931.0514,
        "northing": 6510067.8774,
        "existing_z": 164.6281,
        "design_z": 165.3476,
        "delta_z": 0.7195
      },
      {
        "ch": 240.0,
        "easting": 451926.8929,
        "northing": 6510065.7728,
        "existing_z": 164.2267,
        "design_z": 165.032,
        "delta_z": 0.8054
      },
      {
        "ch": 250.0,
        "easting": 451919.3058,
        "northing": 6510059.3058,
        "existing_z": 163.4231,
        "design_z": 164.3555,
        "delta_z": 0.9324
      },
      {
        "ch": 260.0,
        "easting": 451913.2593,
        "northing": 6510051.3993,
        "existing_z": 162.6544,
        "design_z": 163.6791,
        "delta_z": 1.0247
      },
      {
        "ch": 267.1121,
        "easting": 451910.7776,
        "northing": 6510044.7537,
        "existing_z": 162.1568,
        "design_z": 163.198,
        "delta_z": 1.0412
      },
      {
        "ch": 270.0,
        "easting": 451910.2521,
        "northing": 6510041.9152,
        "existing_z": 161.9753,
        "design_z": 163.0072,
        "delta_z": 1.0319
      },
      {
        "ch": 280.0,
        "easting": 451910.0,
        "northing": 6510031.9264,
        "existing_z": 161.4313,
        "design_z": 162.4163,
        "delta_z": 0.985
      },
      {
        "ch": 287.1121,
        "easting": 451910.0463,
        "northing": 6510024.815,
        "existing_z": 161.0589,
        "design_z": 162.0621,
        "delta_z": 1.0033
      },
      {
        "ch": 290.0,
        "easting": 451910.2787,
        "northing": 6510021.937,
        "existing_z": 160.9202,
        "design_z": 161.934,
        "delta_z": 1.0138
      },
      {
        "ch": 300.0,
        "easting": 451912.5723,
        "northing": 6510012.2272,
        "existing_z": 160.533,
        "design_z": 161.5602,
        "delta_z": 1.0272
      },
      {
        "ch": 307.1121,
        "easting": 451915.5528,
        "northing": 6510005.7789,
        "existing_z": 160.3255,
        "design_z": 161.3604,
        "delta_z": 1.0349
      },
      {
        "ch": 310.0,
        "easting": 451917.0631,
        "northing": 6510003.318,
        "existing_z": 160.2607,
        "design_z": 161.2904,
        "delta_z": 1.0297
      },
      {
        "ch": 320.0,
        "easting": 451923.4351,
        "northing": 6509995.6312,
        "existing_z": 160.1456,
        "design_z": 161.0481,
        "delta_z": 0.9025
      },
      {
        "ch": 330.0,
        "easting": 451930.2648,
        "northing": 6509988.3268,
        "existing_z": 160.0674,
        "design_z": 160.8058,
        "delta_z": 0.7383
      },
      {
        "ch": 340.0,
        "easting": 451937.0946,
        "northing": 6509981.0223,
        "existing_z": 160.0802,
        "design_z": 160.5634,
        "delta_z": 0.4833
      },
      {
        "ch": 350.0,
        "easting": 451943.9243,
        "northing": 6509973.7179,
        "existing_z": 160.0965,
        "design_z": 160.3211,
        "delta_z": 0.2246
      },
      {
        "ch": 358.8901,
        "easting": 451949.9961,
        "northing": 6509967.2242,
        "existing_z": 160.1057,
        "design_z": 160.1057,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD095",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 105.465,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.96,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450424.1950000001,
          6510056.635
        ],
        "end": [
          450426.92970000004,
          6510053.9003
        ],
        "chainage_start": 0,
        "length": 3.867449828899477
      },
      {
        "type": "ARC",
        "centre": [
          450428.91,
          6510055.8806
        ],
        "radius": 2.8005671174800844,
        "start_angle_rad": -2.356194490192345,
        "sweep_rad": 1.570796326794485,
        "start": [
          450426.92970000004,
          6510053.9003
        ],
        "end": [
          450430.8902999999,
          6510053.9003
        ],
        "chainage_start": 3.867449828899477,
        "length": 4.399120541079136,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450430.8902999999,
          6510053.9003
        ],
        "end": [
          450499.62,
          6510122.63
        ],
        "chainage_start": 8.266570369978613,
        "length": 97.1984738779111
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 52.732522123944854,
        "pvi_z": 134.6620349710904,
        "bvc": 32.732522123944854,
        "evc": 72.73252212394485,
        "length": 40.0,
        "g1": 0.00377621018834074,
        "g2": 0.009570034208532393,
        "z_bvc": 134.5865107673236,
        "K_m_per_percent": 69.03903166647586
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450424.195,
        "northing": 6510056.635,
        "existing_z": 134.4629,
        "design_z": 134.4629,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450432.116,
        "northing": 6510055.126,
        "existing_z": 134.0215,
        "design_z": 134.5007,
        "delta_z": 0.4791
      },
      {
        "ch": 20.0,
        "easting": 450439.1871,
        "northing": 6510062.1971,
        "existing_z": 134.1632,
        "design_z": 134.5384,
        "delta_z": 0.3753
      },
      {
        "ch": 30.0,
        "easting": 450446.2582,
        "northing": 6510069.2682,
        "existing_z": 134.2661,
        "design_z": 134.5762,
        "delta_z": 0.3101
      },
      {
        "ch": 32.7325,
        "easting": 450448.1903,
        "northing": 6510071.2003,
        "existing_z": 134.2945,
        "design_z": 134.5865,
        "delta_z": 0.292
      },
      {
        "ch": 40.0,
        "easting": 450453.3292,
        "northing": 6510076.3392,
        "existing_z": 134.4032,
        "design_z": 134.6178,
        "delta_z": 0.2146
      },
      {
        "ch": 50.0,
        "easting": 450460.4003,
        "northing": 6510083.4103,
        "existing_z": 134.5499,
        "design_z": 134.6733,
        "delta_z": 0.1234
      },
      {
        "ch": 52.7325,
        "easting": 450462.3325,
        "northing": 6510085.3425,
        "existing_z": 134.5847,
        "design_z": 134.691,
        "delta_z": 0.1063
      },
      {
        "ch": 60.0,
        "easting": 450467.4714,
        "northing": 6510090.4814,
        "existing_z": 134.6669,
        "design_z": 134.7433,
        "delta_z": 0.0764
      },
      {
        "ch": 70.0,
        "easting": 450474.5424,
        "northing": 6510097.5524,
        "existing_z": 134.7856,
        "design_z": 134.8278,
        "delta_z": 0.0422
      },
      {
        "ch": 72.7325,
        "easting": 450476.4746,
        "northing": 6510099.4846,
        "existing_z": 134.8157,
        "design_z": 134.8534,
        "delta_z": 0.0377
      },
      {
        "ch": 80.0,
        "easting": 450481.6135,
        "northing": 6510104.6235,
        "existing_z": 134.8855,
        "design_z": 134.923,
        "delta_z": 0.0375
      },
      {
        "ch": 90.0,
        "easting": 450488.6846,
        "northing": 6510111.6946,
        "existing_z": 134.9644,
        "design_z": 135.0187,
        "delta_z": 0.0543
      },
      {
        "ch": 100.0,
        "easting": 450495.7556,
        "northing": 6510118.7656,
        "existing_z": 135.0937,
        "design_z": 135.1144,
        "delta_z": 0.0207
      },
      {
        "ch": 105.465,
        "easting": 450499.62,
        "northing": 6510122.63,
        "existing_z": 135.1667,
        "design_z": 135.1667,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD096",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 109.16,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.95,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452325.86,
          6510130.71
        ],
        "end": [
          452328.2612,
          6510118.6982
        ],
        "chainage_start": 0,
        "length": 12.24945307629692
      },
      {
        "type": "ARC",
        "centre": [
          452312.00665062404,
          6510115.448859855
        ],
        "radius": 16.576145112737827,
        "start_angle_rad": 0.19730270072893108,
        "sweep_rad": -0.9827008641158947,
        "start": [
          452328.2612,
          6510118.6982
        ],
        "end": [
          452323.7277552392,
          6510103.727755239
        ],
        "chainage_start": 12.24945307629692,
        "length": 16.289392125997928,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452323.7277552393,
          6510103.727755239
        ],
        "end": [
          452271.4403765133,
          6510051.440376514
        ],
        "chainage_start": 28.538845202294848,
        "length": 73.9455201349641
      },
      {
        "type": "ARC",
        "centre": [
          452267.96300000005,
          6510054.917753027
        ],
        "radius": 4.917753026530386,
        "start_angle_rad": -0.7853981633890789,
        "sweep_rad": -0.7853981633974484,
        "start": [
          452271.4403765133,
          6510051.440376514
        ],
        "end": [
          452267.963,
          6510050.0
        ],
        "chainage_start": 102.48436533725895,
        "length": 3.8623941950792084,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452267.9630000001,
          6510050.0
        ],
        "end": [
          452265.15,
          6510050.0
        ],
        "chainage_start": 106.34675953233815,
        "length": 2.8130000000819564
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 54.579879766210055,
        "pvi_z": 178.38201333847002,
        "bvc": 34.579879766210055,
        "evc": 74.57987976621006,
        "length": 40.0,
        "g1": -0.03947091579379981,
        "g2": -0.0025769535162381793,
        "z_bvc": 179.171431654346,
        "K_m_per_percent": 10.841882392319626
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452325.86,
        "northing": 6510130.71,
        "existing_z": 180.5363,
        "design_z": 180.5363,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452327.8203,
        "northing": 6510120.904,
        "existing_z": 179.1816,
        "design_z": 180.1416,
        "delta_z": 0.96
      },
      {
        "ch": 20.0,
        "easting": 452327.9811,
        "northing": 6510111.0232,
        "existing_z": 178.0681,
        "design_z": 179.7469,
        "delta_z": 1.6788
      },
      {
        "ch": 30.0,
        "easting": 452322.6946,
        "northing": 6510102.6946,
        "existing_z": 177.7968,
        "design_z": 179.3522,
        "delta_z": 1.5555
      },
      {
        "ch": 34.5799,
        "easting": 452319.4561,
        "northing": 6510099.4561,
        "existing_z": 177.8236,
        "design_z": 179.1714,
        "delta_z": 1.3478
      },
      {
        "ch": 40.0,
        "easting": 452315.6235,
        "northing": 6510095.6235,
        "existing_z": 177.841,
        "design_z": 178.971,
        "delta_z": 1.13
      },
      {
        "ch": 50.0,
        "easting": 452308.5524,
        "northing": 6510088.5524,
        "existing_z": 177.8528,
        "design_z": 178.6724,
        "delta_z": 0.8197
      },
      {
        "ch": 54.5799,
        "easting": 452305.314,
        "northing": 6510085.314,
        "existing_z": 177.8721,
        "design_z": 178.5665,
        "delta_z": 0.6944
      },
      {
        "ch": 60.0,
        "easting": 452301.4814,
        "northing": 6510081.4814,
        "existing_z": 177.8715,
        "design_z": 178.4661,
        "delta_z": 0.5946
      },
      {
        "ch": 70.0,
        "easting": 452294.4103,
        "northing": 6510074.4103,
        "existing_z": 177.8033,
        "design_z": 178.3519,
        "delta_z": 0.5486
      },
      {
        "ch": 74.5799,
        "easting": 452291.1718,
        "northing": 6510071.1718,
        "existing_z": 177.7431,
        "design_z": 178.3305,
        "delta_z": 0.5874
      },
      {
        "ch": 80.0,
        "easting": 452287.3392,
        "northing": 6510067.3392,
        "existing_z": 177.7366,
        "design_z": 178.3165,
        "delta_z": 0.5799
      },
      {
        "ch": 90.0,
        "easting": 452280.2682,
        "northing": 6510060.2682,
        "existing_z": 177.7212,
        "design_z": 178.2907,
        "delta_z": 0.5696
      },
      {
        "ch": 100.0,
        "easting": 452273.1971,
        "northing": 6510053.1971,
        "existing_z": 177.6068,
        "design_z": 178.265,
        "delta_z": 0.6582
      },
      {
        "ch": 109.1598,
        "easting": 452265.15,
        "northing": 6510050.0,
        "existing_z": 178.2414,
        "design_z": 178.2414,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD097",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 56.901,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.3,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451873.6197508743,
          6510126.786091754
        ],
        "end": [
          451870.0,
          6510070.0
        ],
        "chainage_start": 0,
        "length": 56.90134280585855
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451873.6198,
        "northing": 6510126.7861,
        "existing_z": 165.3544,
        "design_z": 165.3544,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451872.9836,
        "northing": 6510116.8063,
        "existing_z": 164.7451,
        "design_z": 164.8246,
        "delta_z": 0.0795
      },
      {
        "ch": 20.0,
        "easting": 451872.3475,
        "northing": 6510106.8266,
        "existing_z": 164.1641,
        "design_z": 164.2947,
        "delta_z": 0.1306
      },
      {
        "ch": 30.0,
        "easting": 451871.7113,
        "northing": 6510096.8469,
        "existing_z": 163.6449,
        "design_z": 163.7649,
        "delta_z": 0.1199
      },
      {
        "ch": 40.0,
        "easting": 451871.0752,
        "northing": 6510086.8671,
        "existing_z": 163.1396,
        "design_z": 163.235,
        "delta_z": 0.0954
      },
      {
        "ch": 50.0,
        "easting": 451870.439,
        "northing": 6510076.8874,
        "existing_z": 162.6669,
        "design_z": 162.7051,
        "delta_z": 0.0382
      },
      {
        "ch": 56.9013,
        "easting": 451870.0,
        "northing": 6510070.0,
        "existing_z": 162.3395,
        "design_z": 162.3395,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD098",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 58.876,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.28,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451870.0,
          6510070.0
        ],
        "end": [
          451870.0,
          6510128.8759679515
        ],
        "chainage_start": 0,
        "length": 58.875967951491475
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451870.0,
        "northing": 6510070.0,
        "existing_z": 162.3395,
        "design_z": 162.3395,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451870.0,
        "northing": 6510080.0,
        "existing_z": 162.8043,
        "design_z": 162.8675,
        "delta_z": 0.0632
      },
      {
        "ch": 20.0,
        "easting": 451870.0,
        "northing": 6510090.0,
        "existing_z": 163.269,
        "design_z": 163.3954,
        "delta_z": 0.1264
      },
      {
        "ch": 30.0,
        "easting": 451870.0,
        "northing": 6510100.0,
        "existing_z": 163.7848,
        "design_z": 163.9234,
        "delta_z": 0.1386
      },
      {
        "ch": 40.0,
        "easting": 451870.0,
        "northing": 6510110.0,
        "existing_z": 164.3006,
        "design_z": 164.4514,
        "delta_z": 0.1508
      },
      {
        "ch": 50.0,
        "easting": 451870.0,
        "northing": 6510120.0,
        "existing_z": 164.9085,
        "design_z": 164.9794,
        "delta_z": 0.0709
      },
      {
        "ch": 58.876,
        "easting": 451870.0,
        "northing": 6510128.876,
        "existing_z": 165.448,
        "design_z": 165.448,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD099",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 132.625,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 9.19,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450330.0,
          6510150.0
        ],
        "end": [
          450423.78000000014,
          6510056.22
        ],
        "chainage_start": 0,
        "length": 132.62494787963533
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 66.31247393981766,
        "pvi_z": 140.5014295180032,
        "bvc": 46.312473939817664,
        "evc": 86.31247393981766,
        "length": 40.0,
        "g1": -0.09193757734414175,
        "g2": -0.0911490948074633,
        "z_bvc": 142.34018106488602,
        "K_m_per_percent": 507.3035627206619
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450330.0,
        "northing": 6510150.0,
        "existing_z": 146.598,
        "design_z": 146.598,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450337.0711,
        "northing": 6510142.9289,
        "existing_z": 145.7218,
        "design_z": 145.6787,
        "delta_z": -0.0432
      },
      {
        "ch": 20.0,
        "easting": 450344.1421,
        "northing": 6510135.8579,
        "existing_z": 144.8327,
        "design_z": 144.7593,
        "delta_z": -0.0734
      },
      {
        "ch": 30.0,
        "easting": 450351.2132,
        "northing": 6510128.7868,
        "existing_z": 143.9225,
        "design_z": 143.8399,
        "delta_z": -0.0826
      },
      {
        "ch": 40.0,
        "easting": 450358.2843,
        "northing": 6510121.7157,
        "existing_z": 142.9703,
        "design_z": 142.9205,
        "delta_z": -0.0498
      },
      {
        "ch": 46.3125,
        "easting": 450362.7479,
        "northing": 6510117.2521,
        "existing_z": 142.3713,
        "design_z": 142.3402,
        "delta_z": -0.0312
      },
      {
        "ch": 50.0,
        "easting": 450365.3553,
        "northing": 6510114.6447,
        "existing_z": 142.0222,
        "design_z": 142.0013,
        "delta_z": -0.0209
      },
      {
        "ch": 60.0,
        "easting": 450372.4264,
        "northing": 6510107.5736,
        "existing_z": 141.0799,
        "design_z": 141.0836,
        "delta_z": 0.0037
      },
      {
        "ch": 66.3125,
        "easting": 450376.89,
        "northing": 6510103.11,
        "existing_z": 140.4882,
        "design_z": 140.5054,
        "delta_z": 0.0172
      },
      {
        "ch": 70.0,
        "easting": 450379.4975,
        "northing": 6510100.5025,
        "existing_z": 140.1426,
        "design_z": 140.1679,
        "delta_z": 0.0253
      },
      {
        "ch": 80.0,
        "easting": 450386.5685,
        "northing": 6510093.4315,
        "existing_z": 139.2057,
        "design_z": 139.2542,
        "delta_z": 0.0485
      },
      {
        "ch": 86.3125,
        "easting": 450391.0321,
        "northing": 6510088.9679,
        "existing_z": 138.61,
        "design_z": 138.6784,
        "delta_z": 0.0685
      },
      {
        "ch": 90.0,
        "easting": 450393.6396,
        "northing": 6510086.3604,
        "existing_z": 138.2541,
        "design_z": 138.3423,
        "delta_z": 0.0882
      },
      {
        "ch": 100.0,
        "easting": 450400.7107,
        "northing": 6510079.2893,
        "existing_z": 137.2969,
        "design_z": 137.4308,
        "delta_z": 0.134
      },
      {
        "ch": 110.0,
        "easting": 450407.7817,
        "northing": 6510072.2183,
        "existing_z": 136.3512,
        "design_z": 136.5194,
        "delta_z": 0.1681
      },
      {
        "ch": 120.0,
        "easting": 450414.8528,
        "northing": 6510065.1472,
        "existing_z": 135.4728,
        "design_z": 135.6079,
        "delta_z": 0.135
      },
      {
        "ch": 130.0,
        "easting": 450421.9239,
        "northing": 6510058.0761,
        "existing_z": 134.662,
        "design_z": 134.6964,
        "delta_z": 0.0343
      },
      {
        "ch": 132.6249,
        "easting": 450423.78,
        "northing": 6510056.22,
        "existing_z": 134.4571,
        "design_z": 134.4571,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD100",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 132.541,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 9.17,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450330.47428571427,
          6510150.355714286
        ],
        "end": [
          450424.1950000001,
          6510056.635
        ],
        "chainage_start": 0,
        "length": 132.54110521842995
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 66.27055260921497,
        "pvi_z": 140.4981247121957,
        "bvc": 46.270552609214974,
        "evc": 86.27055260921497,
        "length": 40.0,
        "g1": -0.09172417459446947,
        "g2": -0.09106939041228758,
        "z_bvc": 142.3326082040851,
        "K_m_per_percent": 610.8883062310871
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450330.4743,
        "northing": 6510150.3557,
        "existing_z": 146.5767,
        "design_z": 146.5767,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450337.5454,
        "northing": 6510143.2846,
        "existing_z": 145.708,
        "design_z": 145.6595,
        "delta_z": -0.0485
      },
      {
        "ch": 20.0,
        "easting": 450344.6164,
        "northing": 6510136.2136,
        "existing_z": 144.8188,
        "design_z": 144.7423,
        "delta_z": -0.0765
      },
      {
        "ch": 30.0,
        "easting": 450351.6875,
        "northing": 6510129.1425,
        "existing_z": 143.9168,
        "design_z": 143.825,
        "delta_z": -0.0918
      },
      {
        "ch": 40.0,
        "easting": 450358.7586,
        "northing": 6510122.0714,
        "existing_z": 142.9646,
        "design_z": 142.9078,
        "delta_z": -0.0569
      },
      {
        "ch": 46.2706,
        "easting": 450363.1925,
        "northing": 6510117.6375,
        "existing_z": 142.3697,
        "design_z": 142.3326,
        "delta_z": -0.0371
      },
      {
        "ch": 50.0,
        "easting": 450365.8296,
        "northing": 6510115.0004,
        "existing_z": 142.0166,
        "design_z": 141.9906,
        "delta_z": -0.0259
      },
      {
        "ch": 60.0,
        "easting": 450372.9007,
        "northing": 6510107.9293,
        "existing_z": 141.075,
        "design_z": 141.0748,
        "delta_z": -0.0001
      },
      {
        "ch": 66.2706,
        "easting": 450377.3346,
        "northing": 6510103.4954,
        "existing_z": 140.4871,
        "design_z": 140.5014,
        "delta_z": 0.0143
      },
      {
        "ch": 70.0,
        "easting": 450379.9718,
        "northing": 6510100.8582,
        "existing_z": 140.1376,
        "design_z": 140.1607,
        "delta_z": 0.023
      },
      {
        "ch": 80.0,
        "easting": 450387.0428,
        "northing": 6510093.7872,
        "existing_z": 139.2008,
        "design_z": 139.2481,
        "delta_z": 0.0474
      },
      {
        "ch": 86.2706,
        "easting": 450391.4768,
        "northing": 6510089.3532,
        "existing_z": 138.6079,
        "design_z": 138.6767,
        "delta_z": 0.0688
      },
      {
        "ch": 90.0,
        "easting": 450394.1139,
        "northing": 6510086.7161,
        "existing_z": 138.248,
        "design_z": 138.3371,
        "delta_z": 0.0891
      },
      {
        "ch": 100.0,
        "easting": 450401.185,
        "northing": 6510079.645,
        "existing_z": 137.2909,
        "design_z": 137.4264,
        "delta_z": 0.1355
      },
      {
        "ch": 110.0,
        "easting": 450408.256,
        "northing": 6510072.574,
        "existing_z": 136.3453,
        "design_z": 136.5157,
        "delta_z": 0.1704
      },
      {
        "ch": 120.0,
        "easting": 450415.3271,
        "northing": 6510065.5029,
        "existing_z": 135.4716,
        "design_z": 135.605,
        "delta_z": 0.1334
      },
      {
        "ch": 130.0,
        "easting": 450422.3982,
        "northing": 6510058.4318,
        "existing_z": 134.6612,
        "design_z": 134.6943,
        "delta_z": 0.0331
      },
      {
        "ch": 132.5411,
        "easting": 450424.195,
        "northing": 6510056.635,
        "existing_z": 134.4629,
        "design_z": 134.4629,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD101",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 523.02,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.03,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451420.0,
          6510273.22
        ],
        "end": [
          451383.7838043019,
          6510241.914720438
        ],
        "chainage_start": 0,
        "length": 47.87100750200983
      },
      {
        "type": "ARC",
        "centre": [
          451409.83191088866,
          6510211.7804
        ],
        "radius": 39.83191088865472,
        "start_angle_rad": 2.283591156136058,
        "sweep_rad": 0.8580014974464751,
        "start": [
          451383.7838043019,
          6510241.914720438
        ],
        "end": [
          451370.0,
          6510211.7804000005
        ],
        "chainage_start": 47.87100750200983,
        "length": 34.17583918862031,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451370.0,
          6510211.7804
        ],
        "end": [
          451370.0,
          6510204.8396000005
        ],
        "chainage_start": 82.04684669063013,
        "length": 6.940799999050796
      },
      {
        "type": "ARC",
        "centre": [
          451401.5577856886,
          6510204.8396000005
        ],
        "radius": 31.557785688583962,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 1.0471834787462186,
        "start": [
          451370.0,
          6510204.8396000005
        ],
        "end": [
          451385.778508248,
          6510177.509977957
        ],
        "chainage_start": 88.98764668968093,
        "length": 33.04679179889899,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451385.778508248,
          6510177.509977957
        ],
        "end": [
          451733.0391491654,
          6509977.012437647
        ],
        "chainage_start": 122.03443848857992,
        "length": 400.98530696365475
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 74.71710649317639,
        "pvi_z": 162.49949857165305,
        "bvc": 54.71710649317639,
        "evc": 94.71710649317639,
        "length": 40.0,
        "g1": 0.011747014285628571,
        "g2": 0.07031182542952297,
        "z_bvc": 162.26455828594047,
        "K_m_per_percent": 6.83003995380768
      },
      {
        "pvi_ch": 149.43421298635278,
        "pvi_z": 167.75299472000034,
        "bvc": 129.43421298635278,
        "evc": 169.43421298635278,
        "length": 40.0,
        "g1": 0.07031182542952297,
        "g2": 0.02994823957466701,
        "z_bvc": 166.34675821140988,
        "K_m_per_percent": 9.909922310628351
      },
      {
        "pvi_ch": 224.15131947952915,
        "pvi_z": 169.9906405255839,
        "bvc": 200.96234967733986,
        "evc": 247.34028928171844,
        "length": 46.37793960437857,
        "g1": 0.02994823957466701,
        "g2": -0.047348326432630615,
        "z_bvc": 169.29617170245822,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 298.86842597270555,
        "pvi_z": 166.45291057724336,
        "bvc": 278.86842597270555,
        "evc": 318.86842597270555,
        "length": 40.0,
        "g1": -0.047348326432630615,
        "g2": -0.06422940583855614,
        "z_bvc": 167.39987710589597,
        "K_m_per_percent": 23.695167256875386
      },
      {
        "pvi_ch": 373.58553246588195,
        "pvi_z": 161.6538752212105,
        "bvc": 353.58553246588195,
        "evc": 393.58553246588195,
        "length": 40.0,
        "g1": -0.06422940583855614,
        "g2": -0.03993790559166959,
        "z_bvc": 162.93846333798163,
        "K_m_per_percent": 16.46666512708568
      },
      {
        "pvi_ch": 448.3026389590583,
        "pvi_z": 158.6698304760033,
        "bvc": 428.3026389590583,
        "evc": 468.3026389590583,
        "length": 40.0,
        "g1": -0.03993790559166959,
        "g2": -0.02892461425835839,
        "z_bvc": 159.4685885878367,
        "K_m_per_percent": 36.3197510983974
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451420.0,
        "northing": 6510273.22,
        "existing_z": 161.6218,
        "design_z": 161.6218,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451412.4346,
        "northing": 6510266.6805,
        "existing_z": 161.3318,
        "design_z": 161.7393,
        "delta_z": 0.4074
      },
      {
        "ch": 20.0,
        "easting": 451404.8693,
        "northing": 6510260.141,
        "existing_z": 161.0585,
        "design_z": 161.8567,
        "delta_z": 0.7982
      },
      {
        "ch": 30.0,
        "easting": 451397.3039,
        "northing": 6510253.6015,
        "existing_z": 160.7812,
        "design_z": 161.9742,
        "delta_z": 1.193
      },
      {
        "ch": 40.0,
        "easting": 451389.7385,
        "northing": 6510247.062,
        "existing_z": 160.5136,
        "design_z": 162.0917,
        "delta_z": 1.5781
      },
      {
        "ch": 50.0,
        "easting": 451382.2111,
        "northing": 6510240.4801,
        "existing_z": 160.3672,
        "design_z": 162.2091,
        "delta_z": 1.842
      },
      {
        "ch": 54.7171,
        "easting": 451379.0137,
        "northing": 6510237.0157,
        "existing_z": 160.3565,
        "design_z": 162.2646,
        "delta_z": 1.9081
      },
      {
        "ch": 60.0,
        "easting": 451375.9472,
        "northing": 6510232.7187,
        "existing_z": 160.4209,
        "design_z": 162.347,
        "delta_z": 1.9262
      },
      {
        "ch": 70.0,
        "easting": 451371.8079,
        "northing": 6510223.6444,
        "existing_z": 160.8564,
        "design_z": 162.6151,
        "delta_z": 1.7586
      },
      {
        "ch": 74.7171,
        "easting": 451370.6725,
        "northing": 6510219.0688,
        "existing_z": 161.1807,
        "design_z": 162.7923,
        "delta_z": 1.6116
      },
      {
        "ch": 80.0,
        "easting": 451370.0526,
        "northing": 6510213.8263,
        "existing_z": 161.6106,
        "design_z": 163.0295,
        "delta_z": 1.4189
      },
      {
        "ch": 90.0,
        "easting": 451370.0162,
        "northing": 6510203.8274,
        "existing_z": 162.5325,
        "design_z": 163.5904,
        "delta_z": 1.0579
      },
      {
        "ch": 94.7171,
        "easting": 451370.5187,
        "northing": 6510199.1416,
        "existing_z": 163.0074,
        "design_z": 163.9057,
        "delta_z": 0.8983
      },
      {
        "ch": 100.0,
        "easting": 451371.902,
        "northing": 6510194.0494,
        "existing_z": 163.5869,
        "design_z": 164.2772,
        "delta_z": 0.6902
      },
      {
        "ch": 110.0,
        "easting": 451376.7407,
        "northing": 6510185.3458,
        "existing_z": 164.7162,
        "design_z": 164.9803,
        "delta_z": 0.2641
      },
      {
        "ch": 120.0,
        "easting": 451384.0506,
        "northing": 6510178.5833,
        "existing_z": 165.809,
        "design_z": 165.6834,
        "delta_z": -0.1255
      },
      {
        "ch": 129.4342,
        "easting": 451392.1868,
        "northing": 6510173.81,
        "existing_z": 166.7678,
        "design_z": 166.3468,
        "delta_z": -0.421
      },
      {
        "ch": 130.0,
        "easting": 451392.6768,
        "northing": 6510173.5271,
        "existing_z": 166.8232,
        "design_z": 166.3864,
        "delta_z": -0.4368
      },
      {
        "ch": 140.0,
        "easting": 451401.337,
        "northing": 6510168.527,
        "existing_z": 167.7574,
        "design_z": 167.0333,
        "delta_z": -0.7241
      },
      {
        "ch": 149.4342,
        "easting": 451409.5072,
        "northing": 6510163.8098,
        "existing_z": 168.5437,
        "design_z": 167.5512,
        "delta_z": -0.9925
      },
      {
        "ch": 150.0,
        "easting": 451409.9972,
        "northing": 6510163.5269,
        "existing_z": 168.5892,
        "design_z": 167.5794,
        "delta_z": -1.0099
      },
      {
        "ch": 160.0,
        "easting": 451418.6574,
        "northing": 6510158.5267,
        "existing_z": 169.3377,
        "design_z": 168.0245,
        "delta_z": -1.3131
      },
      {
        "ch": 169.4342,
        "easting": 451426.8276,
        "northing": 6510153.8095,
        "existing_z": 169.975,
        "design_z": 168.352,
        "delta_z": -1.6231
      },
      {
        "ch": 170.0,
        "easting": 451427.3176,
        "northing": 6510153.5266,
        "existing_z": 170.0111,
        "design_z": 168.3689,
        "delta_z": -1.6422
      },
      {
        "ch": 180.0,
        "easting": 451435.9777,
        "northing": 6510148.5265,
        "existing_z": 170.5535,
        "design_z": 168.6684,
        "delta_z": -1.8851
      },
      {
        "ch": 190.0,
        "easting": 451444.6379,
        "northing": 6510143.5264,
        "existing_z": 170.9094,
        "design_z": 168.9679,
        "delta_z": -1.9415
      },
      {
        "ch": 200.0,
        "easting": 451453.2981,
        "northing": 6510138.5262,
        "existing_z": 171.164,
        "design_z": 169.2674,
        "delta_z": -1.8966
      },
      {
        "ch": 200.9623,
        "easting": 451454.1315,
        "northing": 6510138.0451,
        "existing_z": 171.179,
        "design_z": 169.2962,
        "delta_z": -1.8828
      },
      {
        "ch": 210.0,
        "easting": 451461.9583,
        "northing": 6510133.5261,
        "existing_z": 171.309,
        "design_z": 169.4988,
        "delta_z": -1.8102
      },
      {
        "ch": 220.0,
        "easting": 451470.6185,
        "northing": 6510128.526,
        "existing_z": 171.378,
        "design_z": 169.5643,
        "delta_z": -1.8137
      },
      {
        "ch": 224.1513,
        "easting": 451474.2136,
        "northing": 6510126.4503,
        "existing_z": 171.2674,
        "design_z": 169.5425,
        "delta_z": -1.7249
      },
      {
        "ch": 230.0,
        "easting": 451479.2787,
        "northing": 6510123.5259,
        "existing_z": 171.0998,
        "design_z": 169.4631,
        "delta_z": -1.6366
      },
      {
        "ch": 240.0,
        "easting": 451487.9389,
        "northing": 6510118.5258,
        "existing_z": 170.7809,
        "design_z": 169.1953,
        "delta_z": -1.5856
      },
      {
        "ch": 247.3403,
        "easting": 451494.2957,
        "northing": 6510114.8555,
        "existing_z": 170.4298,
        "design_z": 168.8927,
        "delta_z": -1.5371
      },
      {
        "ch": 250.0,
        "easting": 451496.599,
        "northing": 6510113.5256,
        "existing_z": 170.2812,
        "design_z": 168.7667,
        "delta_z": -1.5144
      },
      {
        "ch": 260.0,
        "easting": 451505.2592,
        "northing": 6510108.5255,
        "existing_z": 169.6723,
        "design_z": 168.2933,
        "delta_z": -1.379
      },
      {
        "ch": 270.0,
        "easting": 451513.9194,
        "northing": 6510103.5254,
        "existing_z": 168.9398,
        "design_z": 167.8198,
        "delta_z": -1.12
      },
      {
        "ch": 278.8684,
        "easting": 451521.5996,
        "northing": 6510099.0911,
        "existing_z": 168.2317,
        "design_z": 167.3999,
        "delta_z": -0.8318
      },
      {
        "ch": 280.0,
        "easting": 451522.5796,
        "northing": 6510098.5253,
        "existing_z": 168.1405,
        "design_z": 167.346,
        "delta_z": -0.7944
      },
      {
        "ch": 290.0,
        "easting": 451531.2398,
        "northing": 6510093.5252,
        "existing_z": 167.3269,
        "design_z": 166.8467,
        "delta_z": -0.4802
      },
      {
        "ch": 298.8684,
        "easting": 451538.92,
        "northing": 6510089.0908,
        "existing_z": 166.5904,
        "design_z": 166.3685,
        "delta_z": -0.2219
      },
      {
        "ch": 300.0,
        "easting": 451539.9,
        "northing": 6510088.525,
        "existing_z": 166.4909,
        "design_z": 166.3051,
        "delta_z": -0.1858
      },
      {
        "ch": 310.0,
        "easting": 451548.5601,
        "northing": 6510083.5249,
        "existing_z": 165.6082,
        "design_z": 165.7213,
        "delta_z": 0.1131
      },
      {
        "ch": 318.8684,
        "easting": 451556.2404,
        "northing": 6510079.0906,
        "existing_z": 164.8773,
        "design_z": 165.1683,
        "delta_z": 0.2911
      },
      {
        "ch": 320.0,
        "easting": 451557.2203,
        "northing": 6510078.5248,
        "existing_z": 164.7852,
        "design_z": 165.0956,
        "delta_z": 0.3105
      },
      {
        "ch": 330.0,
        "easting": 451565.8805,
        "northing": 6510073.5247,
        "existing_z": 163.966,
        "design_z": 164.4533,
        "delta_z": 0.4873
      },
      {
        "ch": 340.0,
        "easting": 451574.5407,
        "northing": 6510068.5245,
        "existing_z": 163.2224,
        "design_z": 163.8111,
        "delta_z": 0.5886
      },
      {
        "ch": 350.0,
        "easting": 451583.2009,
        "northing": 6510063.5244,
        "existing_z": 162.5606,
        "design_z": 163.1688,
        "delta_z": 0.6081
      },
      {
        "ch": 353.5855,
        "easting": 451586.306,
        "northing": 6510061.7316,
        "existing_z": 162.3218,
        "design_z": 162.9385,
        "delta_z": 0.6167
      },
      {
        "ch": 360.0,
        "easting": 451591.8611,
        "northing": 6510058.5243,
        "existing_z": 161.9213,
        "design_z": 162.539,
        "delta_z": 0.6177
      },
      {
        "ch": 370.0,
        "easting": 451600.5212,
        "northing": 6510053.5242,
        "existing_z": 161.3758,
        "design_z": 161.966,
        "delta_z": 0.5902
      },
      {
        "ch": 373.5855,
        "easting": 451603.6264,
        "northing": 6510051.7314,
        "existing_z": 161.1768,
        "design_z": 161.7753,
        "delta_z": 0.5985
      },
      {
        "ch": 380.0,
        "easting": 451609.1814,
        "northing": 6510048.5241,
        "existing_z": 160.8275,
        "design_z": 161.4537,
        "delta_z": 0.6263
      },
      {
        "ch": 390.0,
        "easting": 451617.8416,
        "northing": 6510043.5239,
        "existing_z": 160.4132,
        "design_z": 161.0022,
        "delta_z": 0.589
      },
      {
        "ch": 393.5855,
        "easting": 451620.9467,
        "northing": 6510041.7311,
        "existing_z": 160.2684,
        "design_z": 160.8551,
        "delta_z": 0.5867
      },
      {
        "ch": 400.0,
        "easting": 451626.5018,
        "northing": 6510038.5238,
        "existing_z": 160.0084,
        "design_z": 160.5989,
        "delta_z": 0.5906
      },
      {
        "ch": 410.0,
        "easting": 451635.162,
        "northing": 6510033.5237,
        "existing_z": 159.6494,
        "design_z": 160.1996,
        "delta_z": 0.5502
      },
      {
        "ch": 420.0,
        "easting": 451643.8222,
        "northing": 6510028.5236,
        "existing_z": 159.3336,
        "design_z": 159.8002,
        "delta_z": 0.4666
      },
      {
        "ch": 428.3026,
        "easting": 451651.0124,
        "northing": 6510024.3721,
        "existing_z": 159.0952,
        "design_z": 159.4686,
        "delta_z": 0.3733
      },
      {
        "ch": 430.0,
        "easting": 451652.4823,
        "northing": 6510023.5234,
        "existing_z": 159.0495,
        "design_z": 159.4012,
        "delta_z": 0.3517
      },
      {
        "ch": 440.0,
        "easting": 451661.1425,
        "northing": 6510018.5233,
        "existing_z": 158.7816,
        "design_z": 159.0203,
        "delta_z": 0.2387
      },
      {
        "ch": 448.3026,
        "easting": 451668.3328,
        "northing": 6510014.3719,
        "existing_z": 158.5613,
        "design_z": 158.7249,
        "delta_z": 0.1636
      },
      {
        "ch": 450.0,
        "easting": 451669.8027,
        "northing": 6510013.5232,
        "existing_z": 158.5166,
        "design_z": 158.6669,
        "delta_z": 0.1503
      },
      {
        "ch": 460.0,
        "easting": 451678.4629,
        "northing": 6510008.5231,
        "existing_z": 158.2496,
        "design_z": 158.341,
        "delta_z": 0.0913
      },
      {
        "ch": 468.3026,
        "easting": 451685.6531,
        "northing": 6510004.3717,
        "existing_z": 158.0391,
        "design_z": 158.0913,
        "delta_z": 0.0523
      },
      {
        "ch": 470.0,
        "easting": 451687.1231,
        "northing": 6510003.523,
        "existing_z": 157.9964,
        "design_z": 158.0422,
        "delta_z": 0.0459
      },
      {
        "ch": 480.0,
        "easting": 451695.7833,
        "northing": 6509998.5228,
        "existing_z": 157.7302,
        "design_z": 157.753,
        "delta_z": 0.0228
      },
      {
        "ch": 490.0,
        "easting": 451704.4434,
        "northing": 6509993.5227,
        "existing_z": 157.4619,
        "design_z": 157.4638,
        "delta_z": 0.0018
      },
      {
        "ch": 500.0,
        "easting": 451713.1036,
        "northing": 6509988.5226,
        "existing_z": 157.1829,
        "design_z": 157.1745,
        "delta_z": -0.0084
      },
      {
        "ch": 510.0,
        "easting": 451721.7638,
        "northing": 6509983.5225,
        "existing_z": 156.8871,
        "design_z": 156.8853,
        "delta_z": -0.0018
      },
      {
        "ch": 520.0,
        "easting": 451730.424,
        "northing": 6509978.5223,
        "existing_z": 156.6088,
        "design_z": 156.596,
        "delta_z": -0.0128
      },
      {
        "ch": 523.0197,
        "easting": 451733.0391,
        "northing": 6509977.0124,
        "existing_z": 156.5087,
        "design_z": 156.5087,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD102",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 238.394,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 8.4,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451093.58,
          6510030.15
        ],
        "end": [
          451262.15,
          6510198.72
        ],
        "chainage_start": 0,
        "length": 238.39398020878977
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 79.46466006959659,
        "pvi_z": 146.6648151223543,
        "bvc": 59.46466006959659,
        "evc": 99.46466006959659,
        "length": 40.0,
        "g1": 0.08402101906918634,
        "g2": 0.0659097713448961,
        "z_bvc": 144.98439474097057,
        "K_m_per_percent": 22.08572297664134
      },
      {
        "pvi_ch": 158.92932013919318,
        "pvi_z": 151.9023126975413,
        "bvc": 138.92932013919318,
        "evc": 178.92932013919318,
        "length": 40.0,
        "g1": 0.0659097713448961,
        "g2": 0.03253795584157444,
        "z_bvc": 150.5841172706434,
        "K_m_per_percent": 11.98616239383758
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451093.58,
        "northing": 6510030.15,
        "existing_z": 139.9881,
        "design_z": 139.9881,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451100.6511,
        "northing": 6510037.2211,
        "existing_z": 140.8354,
        "design_z": 140.8283,
        "delta_z": -0.0071
      },
      {
        "ch": 20.0,
        "easting": 451107.7221,
        "northing": 6510044.2921,
        "existing_z": 141.6527,
        "design_z": 141.6685,
        "delta_z": 0.0158
      },
      {
        "ch": 30.0,
        "easting": 451114.7932,
        "northing": 6510051.3632,
        "existing_z": 142.4845,
        "design_z": 142.5087,
        "delta_z": 0.0242
      },
      {
        "ch": 40.0,
        "easting": 451121.8643,
        "northing": 6510058.4343,
        "existing_z": 143.3399,
        "design_z": 143.349,
        "delta_z": 0.009
      },
      {
        "ch": 50.0,
        "easting": 451128.9353,
        "northing": 6510065.5053,
        "existing_z": 144.185,
        "design_z": 144.1892,
        "delta_z": 0.0042
      },
      {
        "ch": 59.4647,
        "easting": 451135.6279,
        "northing": 6510072.1979,
        "existing_z": 145.0635,
        "design_z": 144.9844,
        "delta_z": -0.0791
      },
      {
        "ch": 60.0,
        "easting": 451136.0064,
        "northing": 6510072.5764,
        "existing_z": 145.1131,
        "design_z": 145.0293,
        "delta_z": -0.0838
      },
      {
        "ch": 70.0,
        "easting": 451143.0775,
        "northing": 6510079.6475,
        "existing_z": 146.0229,
        "design_z": 145.8445,
        "delta_z": -0.1785
      },
      {
        "ch": 79.4647,
        "easting": 451149.77,
        "northing": 6510086.34,
        "existing_z": 146.8573,
        "design_z": 146.5743,
        "delta_z": -0.2831
      },
      {
        "ch": 80.0,
        "easting": 451150.1485,
        "northing": 6510086.7185,
        "existing_z": 146.9062,
        "design_z": 146.6143,
        "delta_z": -0.2919
      },
      {
        "ch": 90.0,
        "easting": 451157.2196,
        "northing": 6510093.7896,
        "existing_z": 147.8191,
        "design_z": 147.3389,
        "delta_z": -0.4802
      },
      {
        "ch": 99.4647,
        "easting": 451163.9121,
        "northing": 6510100.4821,
        "existing_z": 148.6012,
        "design_z": 147.983,
        "delta_z": -0.6181
      },
      {
        "ch": 100.0,
        "easting": 451164.2907,
        "northing": 6510100.8607,
        "existing_z": 148.6441,
        "design_z": 148.0183,
        "delta_z": -0.6259
      },
      {
        "ch": 110.0,
        "easting": 451171.3617,
        "northing": 6510107.9317,
        "existing_z": 149.4402,
        "design_z": 148.6774,
        "delta_z": -0.7629
      },
      {
        "ch": 120.0,
        "easting": 451178.4328,
        "northing": 6510115.0028,
        "existing_z": 150.2088,
        "design_z": 149.3365,
        "delta_z": -0.8723
      },
      {
        "ch": 130.0,
        "easting": 451185.5039,
        "northing": 6510122.0739,
        "existing_z": 150.9053,
        "design_z": 149.9956,
        "delta_z": -0.9097
      },
      {
        "ch": 138.9293,
        "easting": 451191.8179,
        "northing": 6510128.3879,
        "existing_z": 151.4872,
        "design_z": 150.5841,
        "delta_z": -0.903
      },
      {
        "ch": 140.0,
        "easting": 451192.5749,
        "northing": 6510129.1449,
        "existing_z": 151.5549,
        "design_z": 150.6542,
        "delta_z": -0.9007
      },
      {
        "ch": 150.0,
        "easting": 451199.646,
        "northing": 6510136.216,
        "existing_z": 152.108,
        "design_z": 151.2627,
        "delta_z": -0.8453
      },
      {
        "ch": 158.9293,
        "easting": 451205.96,
        "northing": 6510142.53,
        "existing_z": 152.5516,
        "design_z": 151.7355,
        "delta_z": -0.8162
      },
      {
        "ch": 160.0,
        "easting": 451206.7171,
        "northing": 6510143.2871,
        "existing_z": 152.602,
        "design_z": 151.7877,
        "delta_z": -0.8144
      },
      {
        "ch": 170.0,
        "easting": 451213.7882,
        "northing": 6510150.3582,
        "existing_z": 153.0466,
        "design_z": 152.2293,
        "delta_z": -0.8173
      },
      {
        "ch": 178.9293,
        "easting": 451220.1021,
        "northing": 6510156.6721,
        "existing_z": 153.3622,
        "design_z": 152.5531,
        "delta_z": -0.8092
      },
      {
        "ch": 180.0,
        "easting": 451220.8592,
        "northing": 6510157.4292,
        "existing_z": 153.398,
        "design_z": 152.5879,
        "delta_z": -0.8101
      },
      {
        "ch": 190.0,
        "easting": 451227.9303,
        "northing": 6510164.5003,
        "existing_z": 153.7104,
        "design_z": 152.9133,
        "delta_z": -0.7971
      },
      {
        "ch": 200.0,
        "easting": 451235.0014,
        "northing": 6510171.5714,
        "existing_z": 153.9754,
        "design_z": 153.2387,
        "delta_z": -0.7367
      },
      {
        "ch": 210.0,
        "easting": 451242.0724,
        "northing": 6510178.6424,
        "existing_z": 154.1631,
        "design_z": 153.564,
        "delta_z": -0.5991
      },
      {
        "ch": 220.0,
        "easting": 451249.1435,
        "northing": 6510185.7135,
        "existing_z": 154.3222,
        "design_z": 153.8894,
        "delta_z": -0.4327
      },
      {
        "ch": 230.0,
        "easting": 451256.2146,
        "northing": 6510192.7846,
        "existing_z": 154.4361,
        "design_z": 154.2148,
        "delta_z": -0.2213
      },
      {
        "ch": 238.394,
        "easting": 451262.15,
        "northing": 6510198.72,
        "existing_z": 154.4879,
        "design_z": 154.4879,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD103",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 18.362,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.0,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450491.35599999997,
          6510130.904
        ],
        "end": [
          450504.34,
          6510117.92
        ],
        "chainage_start": 0,
        "length": 18.362148894012293
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450491.356,
        "northing": 6510130.904,
        "existing_z": 135.8736,
        "design_z": 135.8736,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450498.4271,
        "northing": 6510123.8329,
        "existing_z": 135.2678,
        "design_z": 135.2733,
        "delta_z": 0.0055
      },
      {
        "ch": 18.3621,
        "easting": 450504.34,
        "northing": 6510117.92,
        "existing_z": 134.7713,
        "design_z": 134.7713,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD104",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 4.18,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 2.24,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451870.0,
          6510128.8759679515
        ],
        "end": [
          451873.6197508743,
          6510126.786091754
        ],
        "chainage_start": 0,
        "length": 4.179734311159781
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451870.0,
        "northing": 6510128.876,
        "existing_z": 165.448,
        "design_z": 165.448,
        "delta_z": 0.0
      },
      {
        "ch": 4.1797,
        "easting": 451873.6198,
        "northing": 6510126.7861,
        "existing_z": 165.3544,
        "design_z": 165.3544,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD105",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 24.24,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 1.34,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451332.8599999997,
          6510128.01
        ],
        "end": [
          451350.0,
          6510145.15
        ],
        "chainage_start": 0,
        "length": 24.23962045971199
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451332.86,
        "northing": 6510128.01,
        "existing_z": 165.5233,
        "design_z": 165.5233,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451339.9311,
        "northing": 6510135.0811,
        "existing_z": 165.6756,
        "design_z": 165.6576,
        "delta_z": -0.0179
      },
      {
        "ch": 20.0,
        "easting": 451347.0021,
        "northing": 6510142.1521,
        "existing_z": 165.7978,
        "design_z": 165.7919,
        "delta_z": -0.0059
      },
      {
        "ch": 24.2396,
        "easting": 451350.0,
        "northing": 6510145.15,
        "existing_z": 165.8489,
        "design_z": 165.8489,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD106",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 426.585,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 17.04,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452310.71,
          6510287.279999999
        ],
        "end": [
          452310.2982,
          6510277.2576
        ],
        "chainage_start": 0,
        "length": 10.030856443195244
      },
      {
        "type": "ARC",
        "centre": [
          452291.7060290977,
          6510278.02151443
        ],
        "radius": 18.60785812813093,
        "start_angle_rad": -0.04106486451370888,
        "sweep_rad": -0.7443332988888884,
        "start": [
          452310.2982,
          6510277.2576
        ],
        "end": [
          452304.86377176346,
          6510264.863771764
        ],
        "chainage_start": 10.030856443195244,
        "length": 13.85044842576811,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452304.8637717634,
          6510264.863771764
        ],
        "end": [
          452253.5534693161,
          6510213.553469316
        ],
        "chainage_start": 23.881304868963355,
        "length": 72.56372561059437
      },
      {
        "type": "ARC",
        "centre": [
          452249.1890964885,
          6510217.917842144
        ],
        "radius": 6.172155244054663,
        "start_angle_rad": -0.7853981634507964,
        "sweep_rad": -1.3666785687317478,
        "start": [
          452253.5534693161,
          6510213.553469316
        ],
        "end": [
          452245.8,
          6510212.7594
        ],
        "chainage_start": 96.44503047955773,
        "length": 8.435352294934777,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452245.79999999976,
          6510212.759400001
        ],
        "end": [
          452244.2,
          6510213.8106
        ],
        "chainage_start": 104.8803827744925,
        "length": 1.9144245710967984
      },
      {
        "type": "ARC",
        "centre": [
          452243.9173968476,
          6510213.380458216
        ],
        "radius": 0.5146712508317078,
        "start_angle_rad": 0.9895159212628797,
        "sweep_rad": 2.9374748955258805,
        "start": [
          452244.2,
          6510213.8106
        ],
        "end": [
          452243.5534693161,
          6510213.016530684
        ],
        "chainage_start": 106.7948073455893,
        "length": 1.5118338787670451,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452243.553469316,
          6510213.016530685
        ],
        "end": [
          452468.61,
          6509987.96
        ],
        "chainage_start": 108.30664122435635,
        "length": 318.2779979947724
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 71.0974398698548,
        "pvi_z": 199.1032059916154,
        "bvc": 46.5796996990924,
        "evc": 95.61518004061719,
        "length": 49.03548034152478,
        "g1": 0.025825133681850593,
        "g2": -0.05590066688735738,
        "z_bvc": 198.47003207412857,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 142.1948797397096,
        "pvi_z": 195.12881168890672,
        "bvc": 110.20103179827493,
        "evc": 174.18872768114426,
        "length": 63.98769588286932,
        "g1": -0.05590066688735738,
        "g2": -0.1703501047757328,
        "z_bvc": 196.91728912512562,
        "K_m_per_percent": 5.590913949728407
      },
      {
        "pvi_ch": 213.2923196095644,
        "pvi_z": 183.0173553577906,
        "bvc": 193.2923196095644,
        "evc": 233.2923196095644,
        "length": 40.0,
        "g1": -0.1703501047757328,
        "g2": -0.16715538133777988,
        "z_bvc": 186.42435745330525,
        "K_m_per_percent": 125.20645613577926
      },
      {
        "pvi_ch": 284.3897594794192,
        "pvi_z": 171.13303568420514,
        "bvc": 264.3897594794192,
        "evc": 304.3897594794192,
        "length": 40.0,
        "g1": -0.16715538133777988,
        "g2": -0.13810380758273422,
        "z_bvc": 174.47614331096074,
        "K_m_per_percent": 13.768617265717944
      },
      {
        "pvi_ch": 355.48719934927396,
        "pvi_z": 161.3142085287937,
        "bvc": 335.48719934927396,
        "evc": 375.48719934927396,
        "length": 40.0,
        "g1": -0.13810380758273422,
        "g2": -0.11304658166564141,
        "z_bvc": 164.0762846804484,
        "K_m_per_percent": 15.963459056620456
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452310.71,
        "northing": 6510287.28,
        "existing_z": 197.2671,
        "design_z": 197.2671,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452310.2995,
        "northing": 6510277.2884,
        "existing_z": 196.7301,
        "design_z": 197.5254,
        "delta_z": 0.7953
      },
      {
        "ch": 20.0,
        "easting": 452307.3032,
        "northing": 6510267.8736,
        "existing_z": 196.5807,
        "design_z": 197.7836,
        "delta_z": 1.2029
      },
      {
        "ch": 30.0,
        "easting": 452300.5372,
        "northing": 6510260.5372,
        "existing_z": 197.1,
        "design_z": 198.0419,
        "delta_z": 0.9419
      },
      {
        "ch": 40.0,
        "easting": 452293.4661,
        "northing": 6510253.4661,
        "existing_z": 197.7227,
        "design_z": 198.3001,
        "delta_z": 0.5774
      },
      {
        "ch": 46.5797,
        "easting": 452288.8136,
        "northing": 6510248.8136,
        "existing_z": 198.1729,
        "design_z": 198.47,
        "delta_z": 0.2971
      },
      {
        "ch": 50.0,
        "easting": 452286.3951,
        "northing": 6510246.3951,
        "existing_z": 198.4362,
        "design_z": 198.5486,
        "delta_z": 0.1124
      },
      {
        "ch": 60.0,
        "easting": 452279.324,
        "northing": 6510239.324,
        "existing_z": 199.2246,
        "design_z": 198.6665,
        "delta_z": -0.5581
      },
      {
        "ch": 70.0,
        "easting": 452272.2529,
        "northing": 6510232.2529,
        "existing_z": 200.0408,
        "design_z": 198.6178,
        "delta_z": -1.423
      },
      {
        "ch": 71.0974,
        "easting": 452271.4769,
        "northing": 6510231.4769,
        "existing_z": 200.132,
        "design_z": 198.6023,
        "delta_z": -1.5297
      },
      {
        "ch": 80.0,
        "easting": 452265.1819,
        "northing": 6510225.1819,
        "existing_z": 200.8982,
        "design_z": 198.4024,
        "delta_z": -2.4958
      },
      {
        "ch": 90.0,
        "easting": 452258.1108,
        "northing": 6510218.1108,
        "existing_z": 201.7831,
        "design_z": 198.0203,
        "delta_z": -3.7628
      },
      {
        "ch": 95.6152,
        "easting": 452254.1403,
        "northing": 6510214.1403,
        "existing_z": 202.2887,
        "design_z": 197.7326,
        "delta_z": -4.5561
      },
      {
        "ch": 100.0,
        "easting": 452250.4723,
        "northing": 6510211.8806,
        "existing_z": 202.8685,
        "design_z": 197.4875,
        "delta_z": -5.381
      },
      {
        "ch": 110.0,
        "easting": 452244.7509,
        "northing": 6510211.8191,
        "existing_z": 204.1693,
        "design_z": 196.9285,
        "delta_z": -7.2407
      },
      {
        "ch": 110.201,
        "easting": 452244.893,
        "northing": 6510211.677,
        "existing_z": 204.1259,
        "design_z": 196.9173,
        "delta_z": -7.2086
      },
      {
        "ch": 120.0,
        "easting": 452251.8219,
        "northing": 6510204.7481,
        "existing_z": 201.9317,
        "design_z": 196.2836,
        "delta_z": -5.6481
      },
      {
        "ch": 130.0,
        "easting": 452258.893,
        "northing": 6510197.677,
        "existing_z": 199.7681,
        "design_z": 195.4599,
        "delta_z": -4.3082
      },
      {
        "ch": 140.0,
        "easting": 452265.9641,
        "northing": 6510190.6059,
        "existing_z": 197.5887,
        "design_z": 194.4574,
        "delta_z": -3.1314
      },
      {
        "ch": 142.1949,
        "easting": 452267.5161,
        "northing": 6510189.0539,
        "existing_z": 197.0981,
        "design_z": 194.2134,
        "delta_z": -2.8847
      },
      {
        "ch": 150.0,
        "easting": 452273.0351,
        "northing": 6510183.5349,
        "existing_z": 195.3997,
        "design_z": 193.276,
        "delta_z": -2.1238
      },
      {
        "ch": 160.0,
        "easting": 452280.1062,
        "northing": 6510176.4638,
        "existing_z": 193.2891,
        "design_z": 191.9157,
        "delta_z": -1.3735
      },
      {
        "ch": 170.0,
        "easting": 452287.1773,
        "northing": 6510169.3927,
        "existing_z": 191.164,
        "design_z": 190.3765,
        "delta_z": -0.7875
      },
      {
        "ch": 174.1887,
        "easting": 452290.1391,
        "northing": 6510166.4309,
        "existing_z": 190.2547,
        "design_z": 189.6787,
        "delta_z": -0.576
      },
      {
        "ch": 180.0,
        "easting": 452294.2483,
        "northing": 6510162.3217,
        "existing_z": 189.0732,
        "design_z": 188.6887,
        "delta_z": -0.3845
      },
      {
        "ch": 190.0,
        "easting": 452301.3194,
        "northing": 6510155.2506,
        "existing_z": 187.052,
        "design_z": 186.9852,
        "delta_z": -0.0668
      },
      {
        "ch": 193.2923,
        "easting": 452303.6474,
        "northing": 6510152.9226,
        "existing_z": 186.3899,
        "design_z": 186.4244,
        "delta_z": 0.0345
      },
      {
        "ch": 200.0,
        "easting": 452308.3905,
        "northing": 6510148.1795,
        "existing_z": 185.0456,
        "design_z": 185.2835,
        "delta_z": 0.2379
      },
      {
        "ch": 210.0,
        "easting": 452315.4615,
        "northing": 6510141.1085,
        "existing_z": 183.1699,
        "design_z": 183.5893,
        "delta_z": 0.4195
      },
      {
        "ch": 213.2923,
        "easting": 452317.7896,
        "northing": 6510138.7804,
        "existing_z": 182.5719,
        "design_z": 183.0333,
        "delta_z": 0.4614
      },
      {
        "ch": 220.0,
        "easting": 452322.5326,
        "northing": 6510134.0374,
        "existing_z": 181.3685,
        "design_z": 181.9032,
        "delta_z": 0.5346
      },
      {
        "ch": 230.0,
        "easting": 452329.6037,
        "northing": 6510126.9663,
        "existing_z": 179.6083,
        "design_z": 180.225,
        "delta_z": 0.6167
      },
      {
        "ch": 233.2923,
        "easting": 452331.9317,
        "northing": 6510124.6383,
        "existing_z": 179.0511,
        "design_z": 179.6742,
        "delta_z": 0.6231
      },
      {
        "ch": 240.0,
        "easting": 452336.6747,
        "northing": 6510119.8953,
        "existing_z": 177.9345,
        "design_z": 178.553,
        "delta_z": 0.6185
      },
      {
        "ch": 250.0,
        "easting": 452343.7458,
        "northing": 6510112.8242,
        "existing_z": 176.3014,
        "design_z": 176.8815,
        "delta_z": 0.58
      },
      {
        "ch": 260.0,
        "easting": 452350.8169,
        "northing": 6510105.7531,
        "existing_z": 174.6863,
        "design_z": 175.2099,
        "delta_z": 0.5236
      },
      {
        "ch": 264.3898,
        "easting": 452353.9209,
        "northing": 6510102.6491,
        "existing_z": 173.9846,
        "design_z": 174.4761,
        "delta_z": 0.4915
      },
      {
        "ch": 270.0,
        "easting": 452357.8879,
        "northing": 6510098.6821,
        "existing_z": 173.0914,
        "design_z": 173.5498,
        "delta_z": 0.4584
      },
      {
        "ch": 280.0,
        "easting": 452364.959,
        "northing": 6510091.611,
        "existing_z": 171.509,
        "design_z": 171.9553,
        "delta_z": 0.4463
      },
      {
        "ch": 284.3898,
        "easting": 452368.063,
        "northing": 6510088.507,
        "existing_z": 170.8006,
        "design_z": 171.2783,
        "delta_z": 0.4777
      },
      {
        "ch": 290.0,
        "easting": 452372.0301,
        "northing": 6510084.5399,
        "existing_z": 169.9032,
        "design_z": 170.4334,
        "delta_z": 0.5303
      },
      {
        "ch": 300.0,
        "easting": 452379.1011,
        "northing": 6510077.4689,
        "existing_z": 168.3744,
        "design_z": 168.9842,
        "delta_z": 0.6098
      },
      {
        "ch": 304.3898,
        "easting": 452382.2052,
        "northing": 6510074.3648,
        "existing_z": 167.7111,
        "design_z": 168.371,
        "delta_z": 0.6599
      },
      {
        "ch": 310.0,
        "easting": 452386.1722,
        "northing": 6510070.3978,
        "existing_z": 166.8702,
        "design_z": 167.5962,
        "delta_z": 0.726
      },
      {
        "ch": 320.0,
        "easting": 452393.2433,
        "northing": 6510063.3267,
        "existing_z": 165.4535,
        "design_z": 166.2151,
        "delta_z": 0.7616
      },
      {
        "ch": 330.0,
        "easting": 452400.3143,
        "northing": 6510056.2557,
        "existing_z": 164.1317,
        "design_z": 164.8341,
        "delta_z": 0.7024
      },
      {
        "ch": 335.4872,
        "easting": 452404.1944,
        "northing": 6510052.3756,
        "existing_z": 163.418,
        "design_z": 164.0763,
        "delta_z": 0.6583
      },
      {
        "ch": 340.0,
        "easting": 452407.3854,
        "northing": 6510049.1846,
        "existing_z": 162.8415,
        "design_z": 163.4594,
        "delta_z": 0.618
      },
      {
        "ch": 350.0,
        "easting": 452414.4565,
        "northing": 6510042.1135,
        "existing_z": 161.5877,
        "design_z": 162.138,
        "delta_z": 0.5503
      },
      {
        "ch": 355.4872,
        "easting": 452418.3365,
        "northing": 6510038.2335,
        "existing_z": 160.9018,
        "design_z": 161.4395,
        "delta_z": 0.5377
      },
      {
        "ch": 360.0,
        "easting": 452421.5276,
        "northing": 6510035.0424,
        "existing_z": 160.3411,
        "design_z": 160.8792,
        "delta_z": 0.5381
      },
      {
        "ch": 370.0,
        "easting": 452428.5986,
        "northing": 6510027.9714,
        "existing_z": 159.1169,
        "design_z": 159.683,
        "delta_z": 0.5661
      },
      {
        "ch": 375.4872,
        "easting": 452432.4787,
        "northing": 6510024.0913,
        "existing_z": 158.4619,
        "design_z": 159.0533,
        "delta_z": 0.5914
      },
      {
        "ch": 380.0,
        "easting": 452435.6697,
        "northing": 6510020.9003,
        "existing_z": 157.9301,
        "design_z": 158.5431,
        "delta_z": 0.613
      },
      {
        "ch": 390.0,
        "easting": 452442.7408,
        "northing": 6510013.8292,
        "existing_z": 156.7785,
        "design_z": 157.4127,
        "delta_z": 0.6341
      },
      {
        "ch": 400.0,
        "easting": 452449.8118,
        "northing": 6510006.7582,
        "existing_z": 155.6821,
        "design_z": 156.2822,
        "delta_z": 0.6001
      },
      {
        "ch": 410.0,
        "easting": 452456.8829,
        "northing": 6509999.6871,
        "existing_z": 154.702,
        "design_z": 155.1517,
        "delta_z": 0.4498
      },
      {
        "ch": 420.0,
        "easting": 452463.954,
        "northing": 6509992.616,
        "existing_z": 153.8061,
        "design_z": 154.0213,
        "delta_z": 0.2152
      },
      {
        "ch": 426.5846,
        "easting": 452468.61,
        "northing": 6509987.96,
        "existing_z": 153.2769,
        "design_z": 153.2769,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD107",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 269.968,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.04,
    "radius_review_count": 4,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450974.90927297267,
          6510194.319272973
        ],
        "end": [
          451018.1569500148,
          6510190.928529509
        ],
        "chainage_start": 0,
        "length": 43.38039546587761
      },
      {
        "type": "ARC",
        "centre": [
          451015.6412110736,
          6510158.841211074
        ],
        "radius": 32.18578796286121,
        "start_angle_rad": 1.4925534810088188,
        "sweep_rad": -0.7071553176112136,
        "start": [
          451018.1569500148,
          6510190.928529509
        ],
        "end": [
          451038.4,
          6510181.6
        ],
        "chainage_start": 43.38039546587761,
        "length": 22.760351109444297,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451038.39999999997,
          6510181.600000001
        ],
        "end": [
          451041.6,
          6510178.4
        ],
        "chainage_start": 66.14074657532191,
        "length": 4.525483399733845
      },
      {
        "type": "ARC",
        "centre": [
          451023.75149367284,
          6510160.551493674
        ],
        "radius": 25.24159971591956,
        "start_angle_rad": 0.7853981633876647,
        "sweep_rad": -0.879749648036401,
        "start": [
          451041.6,
          6510178.4
        ],
        "end": [
          451048.8808237951,
          6510158.173443248
        ],
        "chainage_start": 70.66622997505576,
        "length": 22.20628846595595,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451048.88082379504,
          6510158.173443248
        ],
        "end": [
          451047.4538,
          6510143.0938
        ],
        "chainage_start": 92.8725184410117,
        "length": 15.14701414100939
      },
      {
        "type": "ARC",
        "centre": [
          451054.4682511413,
          6510142.430005206
        ],
        "radius": 7.045789405213536,
        "start_angle_rad": 3.047241168985508,
        "sweep_rad": 2.4504557628327372,
        "start": [
          451047.4538,
          6510143.0938
        ],
        "end": [
          451059.4499271408,
          6510137.447430312
        ],
        "chainage_start": 108.0195325820211,
        "length": 17.265395251711354,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451059.44992714096,
          6510137.447430312
        ],
        "end": [
          451077.7594,
          6510155.7536
        ],
        "chainage_start": 125.28492783373245,
        "length": 25.891169248352018
      },
      {
        "type": "ARC",
        "centre": [
          451101.03789990523,
          6510132.470899716
        ],
        "radius": 32.92374052812054,
        "start_angle_rad": 2.356104278189586,
        "sweep_rad": -1.5707061147959247,
        "start": [
          451077.7594,
          6510155.7536
        ],
        "end": [
          451124.3185000947,
          6510155.751499905
        ],
        "chainage_start": 151.17609708208448,
        "length": 51.71352056947334,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451124.31850009476,
          6510155.751499905
        ],
        "end": [
          451171.75,
          6510108.32
        ],
        "chainage_start": 202.8896176515578,
        "length": 67.07827044948841
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 67.49197202526156,
        "pvi_z": 139.65703280749,
        "bvc": 47.49197202526156,
        "evc": 87.49197202526156,
        "length": 40.0,
        "g1": 0.014214586197233798,
        "g2": 0.021807991438265437,
        "z_bvc": 139.37274108354532,
        "K_m_per_percent": 52.67728868710503
      },
      {
        "pvi_ch": 134.98394405052312,
        "pvi_z": 141.12889715556855,
        "bvc": 114.98394405052312,
        "evc": 154.98394405052312,
        "length": 40.0,
        "g1": 0.021807991438265437,
        "g2": 0.05345327491630889,
        "z_bvc": 140.69273732680324,
        "K_m_per_percent": 12.640114293099419
      },
      {
        "pvi_ch": 202.47591607578468,
        "pvi_z": 144.7365640908787,
        "bvc": 182.47591607578468,
        "evc": 222.47591607578468,
        "length": 40.0,
        "g1": 0.05345327491630889,
        "g2": 0.07037999225913441,
        "z_bvc": 143.6674985925525,
        "K_m_per_percent": 23.6312801766931
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450974.9093,
        "northing": 6510194.3193,
        "existing_z": 138.6977,
        "design_z": 138.6977,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450984.8787,
        "northing": 6510193.5376,
        "existing_z": 138.7644,
        "design_z": 138.8398,
        "delta_z": 0.0754
      },
      {
        "ch": 20.0,
        "easting": 450994.8481,
        "northing": 6510192.756,
        "existing_z": 138.8661,
        "design_z": 138.982,
        "delta_z": 0.1159
      },
      {
        "ch": 30.0,
        "easting": 451004.8175,
        "northing": 6510191.9744,
        "existing_z": 139.0035,
        "design_z": 139.1241,
        "delta_z": 0.1206
      },
      {
        "ch": 40.0,
        "easting": 451014.7869,
        "northing": 6510191.1928,
        "existing_z": 139.166,
        "design_z": 139.2662,
        "delta_z": 0.1002
      },
      {
        "ch": 47.492,
        "easting": 451022.2243,
        "northing": 6510190.3466,
        "existing_z": 139.3035,
        "design_z": 139.3727,
        "delta_z": 0.0693
      },
      {
        "ch": 50.0,
        "easting": 451024.6569,
        "northing": 6510189.7385,
        "existing_z": 139.3454,
        "design_z": 139.409,
        "delta_z": 0.0636
      },
      {
        "ch": 60.0,
        "easting": 451033.6712,
        "northing": 6510185.5029,
        "existing_z": 139.5176,
        "design_z": 139.5654,
        "delta_z": 0.0478
      },
      {
        "ch": 67.492,
        "easting": 451039.3555,
        "northing": 6510180.6445,
        "existing_z": 139.6418,
        "design_z": 139.695,
        "delta_z": 0.0532
      },
      {
        "ch": 70.0,
        "easting": 451041.1289,
        "northing": 6510178.8711,
        "existing_z": 139.6813,
        "design_z": 139.7408,
        "delta_z": 0.0595
      },
      {
        "ch": 80.0,
        "easting": 451046.8442,
        "northing": 6510170.743,
        "existing_z": 139.8042,
        "design_z": 139.9351,
        "delta_z": 0.1309
      },
      {
        "ch": 87.492,
        "easting": 451048.8151,
        "northing": 6510163.5434,
        "existing_z": 139.8265,
        "design_z": 140.0932,
        "delta_z": 0.2667
      },
      {
        "ch": 90.0,
        "easting": 451048.9883,
        "northing": 6510161.0424,
        "existing_z": 139.8185,
        "design_z": 140.1479,
        "delta_z": 0.3293
      },
      {
        "ch": 100.0,
        "easting": 451048.2093,
        "northing": 6510151.0777,
        "existing_z": 139.735,
        "design_z": 140.366,
        "delta_z": 0.6309
      },
      {
        "ch": 110.0,
        "easting": 451047.5449,
        "northing": 6510141.122,
        "existing_z": 139.6516,
        "design_z": 140.584,
        "delta_z": 0.9325
      },
      {
        "ch": 114.9839,
        "easting": 451050.056,
        "northing": 6510136.9368,
        "existing_z": 139.7329,
        "design_z": 140.6927,
        "delta_z": 0.9598
      },
      {
        "ch": 120.0,
        "easting": 451054.7164,
        "northing": 6510135.3886,
        "existing_z": 139.9798,
        "design_z": 140.8121,
        "delta_z": 0.8323
      },
      {
        "ch": 130.0,
        "easting": 451062.7843,
        "northing": 6510140.7812,
        "existing_z": 140.4278,
        "design_z": 141.1094,
        "delta_z": 0.6816
      },
      {
        "ch": 134.9839,
        "easting": 451066.3088,
        "northing": 6510144.3051,
        "existing_z": 140.616,
        "design_z": 141.2871,
        "delta_z": 0.6711
      },
      {
        "ch": 140.0,
        "easting": 451069.856,
        "northing": 6510147.8516,
        "existing_z": 140.7982,
        "design_z": 141.4858,
        "delta_z": 0.6877
      },
      {
        "ch": 150.0,
        "easting": 451076.9277,
        "northing": 6510154.922,
        "existing_z": 141.2337,
        "design_z": 141.9414,
        "delta_z": 0.7077
      },
      {
        "ch": 154.9839,
        "easting": 451080.6017,
        "northing": 6510158.2844,
        "existing_z": 141.4518,
        "design_z": 142.198,
        "delta_z": 0.7462
      },
      {
        "ch": 160.0,
        "easting": 451084.756,
        "northing": 6510161.0869,
        "existing_z": 141.694,
        "design_z": 142.4661,
        "delta_z": 0.7721
      },
      {
        "ch": 170.0,
        "easting": 451094.0599,
        "northing": 6510164.6467,
        "existing_z": 142.2771,
        "design_z": 143.0006,
        "delta_z": 0.7235
      },
      {
        "ch": 180.0,
        "easting": 451104.0025,
        "northing": 6510165.2609,
        "existing_z": 142.9743,
        "design_z": 143.5352,
        "delta_z": 0.5609
      },
      {
        "ch": 182.4759,
        "easting": 451106.4577,
        "northing": 6510164.9455,
        "existing_z": 143.1505,
        "design_z": 143.6675,
        "delta_z": 0.517
      },
      {
        "ch": 190.0,
        "easting": 451113.6738,
        "northing": 6510162.8733,
        "existing_z": 143.7009,
        "design_z": 144.0817,
        "delta_z": 0.3807
      },
      {
        "ch": 200.0,
        "easting": 451122.1882,
        "northing": 6510157.7025,
        "existing_z": 144.4162,
        "design_z": 144.6692,
        "delta_z": 0.2529
      },
      {
        "ch": 202.4759,
        "easting": 451124.0241,
        "northing": 6510156.0422,
        "existing_z": 144.5809,
        "design_z": 144.8212,
        "delta_z": 0.2403
      },
      {
        "ch": 210.0,
        "easting": 451129.3463,
        "northing": 6510150.7237,
        "existing_z": 145.0743,
        "design_z": 145.299,
        "delta_z": 0.2247
      },
      {
        "ch": 220.0,
        "easting": 451136.4174,
        "northing": 6510143.6526,
        "existing_z": 145.7595,
        "design_z": 145.9712,
        "delta_z": 0.2117
      },
      {
        "ch": 222.4759,
        "easting": 451138.1681,
        "northing": 6510141.9019,
        "existing_z": 145.9316,
        "design_z": 146.1442,
        "delta_z": 0.2126
      },
      {
        "ch": 230.0,
        "easting": 451143.4884,
        "northing": 6510136.5816,
        "existing_z": 146.4598,
        "design_z": 146.6737,
        "delta_z": 0.2139
      },
      {
        "ch": 240.0,
        "easting": 451150.5595,
        "northing": 6510129.5105,
        "existing_z": 147.1748,
        "design_z": 147.3775,
        "delta_z": 0.2027
      },
      {
        "ch": 250.0,
        "easting": 451157.6306,
        "northing": 6510122.4394,
        "existing_z": 147.912,
        "design_z": 148.0813,
        "delta_z": 0.1693
      },
      {
        "ch": 260.0,
        "easting": 451164.7016,
        "northing": 6510115.3684,
        "existing_z": 148.6817,
        "design_z": 148.7851,
        "delta_z": 0.1034
      },
      {
        "ch": 269.9679,
        "easting": 451171.75,
        "northing": 6510108.32,
        "existing_z": 149.4866,
        "design_z": 149.4866,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD108",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 574.209,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.67,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451370.0,
          6510302.09
        ],
        "end": [
          451803.5661762291,
          6510051.768185366
        ],
        "chainage_start": 0,
        "length": 500.64023015687934
      },
      {
        "type": "ARC",
        "centre": [
          451822.56020016957,
          6510084.666502051
        ],
        "radius": 37.98778996181177,
        "start_angle_rad": -2.0943990223364155,
        "sweep_rad": 1.094852992357877,
        "start": [
          451803.5661762291,
          6510051.768185366
        ],
        "end": [
          451843.0996,
          6510052.710200001
        ],
        "chainage_start": 500.64023015687934,
        "length": 41.59104551275214,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451843.09959999984,
          6510052.7102
        ],
        "end": [
          451870.0,
          6510070.0
        ],
        "chainage_start": 542.2312756696315,
        "length": 31.977628183177917
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 71.77611298160117,
        "pvi_z": 163.33826078784026,
        "bvc": 51.77611298160117,
        "evc": 91.77611298160117,
        "length": 40.0,
        "g1": 0.11674610452602102,
        "g2": 0.10133626747029742,
        "z_bvc": 161.00333869731983,
        "K_m_per_percent": 25.95744514063047
      },
      {
        "pvi_ch": 143.55222596320235,
        "pvi_z": 170.61178417092208,
        "bvc": 123.55222596320235,
        "evc": 163.55222596320235,
        "length": 40.0,
        "g1": 0.10133626747029742,
        "g2": 0.037082631727344766,
        "z_bvc": 168.58505882151613,
        "K_m_per_percent": 6.225328658446726
      },
      {
        "pvi_ch": 215.32833894480353,
        "pvi_z": 173.27343133543908,
        "bvc": 195.32833894480353,
        "evc": 235.32833894480353,
        "length": 40.0,
        "g1": 0.037082631727344766,
        "g2": -0.019448783390081763,
        "z_bvc": 172.53177870089218,
        "K_m_per_percent": 7.075711782008707
      },
      {
        "pvi_ch": 287.1044519264047,
        "pvi_z": 171.8774732614779,
        "bvc": 267.1044519264047,
        "evc": 307.1044519264047,
        "length": 40.0,
        "g1": -0.019448783390081763,
        "g2": -0.039031485257271306,
        "z_bvc": 172.26644892927953,
        "K_m_per_percent": 20.426190559035813
      },
      {
        "pvi_ch": 358.88056490800585,
        "pvi_z": 169.07594496581228,
        "bvc": 338.88056490800585,
        "evc": 378.88056490800585,
        "length": 40.0,
        "g1": -0.039031485257271306,
        "g2": -0.05499602875469953,
        "z_bvc": 169.8565746709577,
        "K_m_per_percent": 25.055523827814888
      },
      {
        "pvi_ch": 430.65667788960707,
        "pvi_z": 165.12854379237558,
        "bvc": 410.65667788960707,
        "evc": 450.65667788960707,
        "length": 40.0,
        "g1": -0.05499602875469953,
        "g2": -0.04360671817009676,
        "z_bvc": 166.22846436746957,
        "K_m_per_percent": 35.12065080925625
      },
      {
        "pvi_ch": 502.4327908712082,
        "pvi_z": 161.99862306224188,
        "bvc": 482.4327908712082,
        "evc": 522.4327908712082,
        "length": 40.0,
        "g1": -0.04360671817009676,
        "g2": 0.004748856724910661,
        "z_bvc": 162.8707574256438,
        "K_m_per_percent": 8.272055515181124
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451370.0,
        "northing": 6510302.09,
        "existing_z": 154.9587,
        "design_z": 154.9587,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451378.6602,
        "northing": 6510297.09,
        "existing_z": 156.0862,
        "design_z": 156.1261,
        "delta_z": 0.04
      },
      {
        "ch": 20.0,
        "easting": 451387.3205,
        "northing": 6510292.0899,
        "existing_z": 157.2039,
        "design_z": 157.2936,
        "delta_z": 0.0897
      },
      {
        "ch": 30.0,
        "easting": 451395.9807,
        "northing": 6510287.0899,
        "existing_z": 158.3412,
        "design_z": 158.4611,
        "delta_z": 0.1198
      },
      {
        "ch": 40.0,
        "easting": 451404.6409,
        "northing": 6510282.0899,
        "existing_z": 159.4958,
        "design_z": 159.6285,
        "delta_z": 0.1327
      },
      {
        "ch": 50.0,
        "easting": 451413.3012,
        "northing": 6510277.0898,
        "existing_z": 160.6776,
        "design_z": 160.796,
        "delta_z": 0.1184
      },
      {
        "ch": 51.7761,
        "easting": 451414.8393,
        "northing": 6510276.2018,
        "existing_z": 160.8939,
        "design_z": 161.0033,
        "delta_z": 0.1094
      },
      {
        "ch": 60.0,
        "easting": 451421.9614,
        "northing": 6510272.0898,
        "existing_z": 161.899,
        "design_z": 161.9504,
        "delta_z": 0.0514
      },
      {
        "ch": 70.0,
        "easting": 451430.6216,
        "northing": 6510267.0898,
        "existing_z": 163.1308,
        "design_z": 163.0669,
        "delta_z": -0.0639
      },
      {
        "ch": 71.7761,
        "easting": 451432.1598,
        "northing": 6510266.2017,
        "existing_z": 163.3544,
        "design_z": 163.2612,
        "delta_z": -0.0932
      },
      {
        "ch": 80.0,
        "easting": 451439.2819,
        "northing": 6510262.0897,
        "existing_z": 164.3884,
        "design_z": 164.1449,
        "delta_z": -0.2435
      },
      {
        "ch": 90.0,
        "easting": 451447.9421,
        "northing": 6510257.0897,
        "existing_z": 165.6425,
        "design_z": 165.1844,
        "delta_z": -0.4581
      },
      {
        "ch": 91.7761,
        "easting": 451449.4803,
        "northing": 6510256.2016,
        "existing_z": 165.8649,
        "design_z": 165.365,
        "delta_z": -0.4999
      },
      {
        "ch": 100.0,
        "easting": 451456.6023,
        "northing": 6510252.0897,
        "existing_z": 166.8847,
        "design_z": 166.1984,
        "delta_z": -0.6863
      },
      {
        "ch": 110.0,
        "easting": 451465.2626,
        "northing": 6510247.0896,
        "existing_z": 168.0877,
        "design_z": 167.2117,
        "delta_z": -0.8759
      },
      {
        "ch": 120.0,
        "easting": 451473.9228,
        "northing": 6510242.0896,
        "existing_z": 169.2278,
        "design_z": 168.2251,
        "delta_z": -1.0027
      },
      {
        "ch": 123.5522,
        "easting": 451476.9991,
        "northing": 6510240.3135,
        "existing_z": 169.6152,
        "design_z": 168.5851,
        "delta_z": -1.0301
      },
      {
        "ch": 130.0,
        "easting": 451482.583,
        "northing": 6510237.0896,
        "existing_z": 170.3043,
        "design_z": 169.2051,
        "delta_z": -1.0992
      },
      {
        "ch": 140.0,
        "easting": 451491.2433,
        "northing": 6510232.0895,
        "existing_z": 171.3158,
        "design_z": 170.0345,
        "delta_z": -1.2812
      },
      {
        "ch": 143.5522,
        "easting": 451494.3196,
        "northing": 6510230.3134,
        "existing_z": 171.6166,
        "design_z": 170.2905,
        "delta_z": -1.3261
      },
      {
        "ch": 150.0,
        "easting": 451499.9035,
        "northing": 6510227.0895,
        "existing_z": 172.1053,
        "design_z": 170.7034,
        "delta_z": -1.402
      },
      {
        "ch": 160.0,
        "easting": 451508.5638,
        "northing": 6510222.0895,
        "existing_z": 172.8033,
        "design_z": 171.2116,
        "delta_z": -1.5917
      },
      {
        "ch": 163.5522,
        "easting": 451511.6401,
        "northing": 6510220.3133,
        "existing_z": 173.0102,
        "design_z": 171.3534,
        "delta_z": -1.6567
      },
      {
        "ch": 170.0,
        "easting": 451517.224,
        "northing": 6510217.0894,
        "existing_z": 173.3207,
        "design_z": 171.5925,
        "delta_z": -1.7282
      },
      {
        "ch": 180.0,
        "easting": 451525.8842,
        "northing": 6510212.0894,
        "existing_z": 173.7368,
        "design_z": 171.9634,
        "delta_z": -1.7734
      },
      {
        "ch": 190.0,
        "easting": 451534.5445,
        "northing": 6510207.0894,
        "existing_z": 173.981,
        "design_z": 172.3342,
        "delta_z": -1.6468
      },
      {
        "ch": 195.3283,
        "easting": 451539.1589,
        "northing": 6510204.4252,
        "existing_z": 174.0372,
        "design_z": 172.5318,
        "delta_z": -1.5054
      },
      {
        "ch": 200.0,
        "easting": 451543.2047,
        "northing": 6510202.0893,
        "existing_z": 174.0669,
        "design_z": 172.6896,
        "delta_z": -1.3773
      },
      {
        "ch": 210.0,
        "easting": 451551.8649,
        "northing": 6510197.0893,
        "existing_z": 174.0778,
        "design_z": 172.9237,
        "delta_z": -1.1541
      },
      {
        "ch": 215.3283,
        "easting": 451556.4794,
        "northing": 6510194.4251,
        "existing_z": 174.0607,
        "design_z": 172.9908,
        "delta_z": -1.07
      },
      {
        "ch": 220.0,
        "easting": 451560.5252,
        "northing": 6510192.0893,
        "existing_z": 174.0197,
        "design_z": 173.0165,
        "delta_z": -1.0032
      },
      {
        "ch": 230.0,
        "easting": 451569.1854,
        "northing": 6510187.0892,
        "existing_z": 173.7739,
        "design_z": 172.968,
        "delta_z": -0.8059
      },
      {
        "ch": 235.3283,
        "easting": 451573.7999,
        "northing": 6510184.425,
        "existing_z": 173.6041,
        "design_z": 172.8845,
        "delta_z": -0.7197
      },
      {
        "ch": 240.0,
        "easting": 451577.8456,
        "northing": 6510182.0892,
        "existing_z": 173.4485,
        "design_z": 172.7936,
        "delta_z": -0.6549
      },
      {
        "ch": 250.0,
        "easting": 451586.5059,
        "northing": 6510177.0892,
        "existing_z": 173.0808,
        "design_z": 172.5991,
        "delta_z": -0.4817
      },
      {
        "ch": 260.0,
        "easting": 451595.1661,
        "northing": 6510172.0891,
        "existing_z": 172.75,
        "design_z": 172.4046,
        "delta_z": -0.3454
      },
      {
        "ch": 267.1045,
        "easting": 451601.3187,
        "northing": 6510168.5369,
        "existing_z": 172.5432,
        "design_z": 172.2664,
        "delta_z": -0.2767
      },
      {
        "ch": 270.0,
        "easting": 451603.8263,
        "northing": 6510167.0891,
        "existing_z": 172.4565,
        "design_z": 172.2081,
        "delta_z": -0.2484
      },
      {
        "ch": 280.0,
        "easting": 451612.4866,
        "northing": 6510162.089,
        "existing_z": 172.1652,
        "design_z": 171.9749,
        "delta_z": -0.1903
      },
      {
        "ch": 287.1045,
        "easting": 451618.6392,
        "northing": 6510158.5368,
        "existing_z": 171.9872,
        "design_z": 171.7796,
        "delta_z": -0.2077
      },
      {
        "ch": 290.0,
        "easting": 451621.1468,
        "northing": 6510157.089,
        "existing_z": 171.9109,
        "design_z": 171.6928,
        "delta_z": -0.2181
      },
      {
        "ch": 300.0,
        "easting": 451629.807,
        "northing": 6510152.089,
        "existing_z": 171.631,
        "design_z": 171.3618,
        "delta_z": -0.2692
      },
      {
        "ch": 307.1045,
        "easting": 451635.9597,
        "northing": 6510148.5367,
        "existing_z": 171.4416,
        "design_z": 171.0968,
        "delta_z": -0.3448
      },
      {
        "ch": 310.0,
        "easting": 451638.4673,
        "northing": 6510147.0889,
        "existing_z": 171.356,
        "design_z": 170.9838,
        "delta_z": -0.3722
      },
      {
        "ch": 320.0,
        "easting": 451647.1275,
        "northing": 6510142.0889,
        "existing_z": 171.0386,
        "design_z": 170.5935,
        "delta_z": -0.4451
      },
      {
        "ch": 330.0,
        "easting": 451655.7877,
        "northing": 6510137.0889,
        "existing_z": 170.6734,
        "design_z": 170.2032,
        "delta_z": -0.4703
      },
      {
        "ch": 338.8806,
        "easting": 451663.4785,
        "northing": 6510132.6486,
        "existing_z": 170.3314,
        "design_z": 169.8566,
        "delta_z": -0.4748
      },
      {
        "ch": 340.0,
        "easting": 451664.448,
        "northing": 6510132.0888,
        "existing_z": 170.2877,
        "design_z": 169.8126,
        "delta_z": -0.4751
      },
      {
        "ch": 350.0,
        "easting": 451673.1082,
        "northing": 6510127.0888,
        "existing_z": 169.8352,
        "design_z": 169.3979,
        "delta_z": -0.4373
      },
      {
        "ch": 358.8806,
        "easting": 451680.799,
        "northing": 6510122.6485,
        "existing_z": 169.3639,
        "design_z": 168.9961,
        "delta_z": -0.3678
      },
      {
        "ch": 360.0,
        "easting": 451681.7684,
        "northing": 6510122.0888,
        "existing_z": 169.3059,
        "design_z": 168.9432,
        "delta_z": -0.3626
      },
      {
        "ch": 370.0,
        "easting": 451690.4287,
        "northing": 6510117.0887,
        "existing_z": 168.7914,
        "design_z": 168.4487,
        "delta_z": -0.3427
      },
      {
        "ch": 378.8806,
        "easting": 451698.1195,
        "northing": 6510112.6484,
        "existing_z": 168.2118,
        "design_z": 167.976,
        "delta_z": -0.2358
      },
      {
        "ch": 380.0,
        "easting": 451699.0889,
        "northing": 6510112.0887,
        "existing_z": 168.1429,
        "design_z": 167.9145,
        "delta_z": -0.2284
      },
      {
        "ch": 390.0,
        "easting": 451707.7491,
        "northing": 6510107.0887,
        "existing_z": 167.5743,
        "design_z": 167.3645,
        "delta_z": -0.2098
      },
      {
        "ch": 400.0,
        "easting": 451716.4094,
        "northing": 6510102.0886,
        "existing_z": 166.9444,
        "design_z": 166.8145,
        "delta_z": -0.1299
      },
      {
        "ch": 410.0,
        "easting": 451725.0696,
        "northing": 6510097.0886,
        "existing_z": 166.3347,
        "design_z": 166.2646,
        "delta_z": -0.0701
      },
      {
        "ch": 410.6567,
        "easting": 451725.6383,
        "northing": 6510096.7603,
        "existing_z": 166.2969,
        "design_z": 166.2285,
        "delta_z": -0.0685
      },
      {
        "ch": 420.0,
        "easting": 451733.7298,
        "northing": 6510092.0886,
        "existing_z": 165.7328,
        "design_z": 165.727,
        "delta_z": -0.0058
      },
      {
        "ch": 430.0,
        "easting": 451742.3901,
        "northing": 6510087.0885,
        "existing_z": 165.0968,
        "design_z": 165.2179,
        "delta_z": 0.1211
      },
      {
        "ch": 430.6567,
        "easting": 451742.9588,
        "northing": 6510086.7602,
        "existing_z": 165.0559,
        "design_z": 165.1855,
        "delta_z": 0.1296
      },
      {
        "ch": 440.0,
        "easting": 451751.0503,
        "northing": 6510082.0885,
        "existing_z": 164.4833,
        "design_z": 164.7373,
        "delta_z": 0.254
      },
      {
        "ch": 450.0,
        "easting": 451759.7105,
        "northing": 6510077.0885,
        "existing_z": 163.8417,
        "design_z": 164.2851,
        "delta_z": 0.4434
      },
      {
        "ch": 450.6567,
        "easting": 451760.2792,
        "northing": 6510076.7601,
        "existing_z": 163.8008,
        "design_z": 164.2564,
        "delta_z": 0.4556
      },
      {
        "ch": 460.0,
        "easting": 451768.3708,
        "northing": 6510072.0884,
        "existing_z": 163.235,
        "design_z": 163.849,
        "delta_z": 0.614
      },
      {
        "ch": 470.0,
        "easting": 451777.031,
        "northing": 6510067.0884,
        "existing_z": 162.6543,
        "design_z": 163.4129,
        "delta_z": 0.7587
      },
      {
        "ch": 480.0,
        "easting": 451785.6913,
        "northing": 6510062.0884,
        "existing_z": 162.1002,
        "design_z": 162.9768,
        "delta_z": 0.8767
      },
      {
        "ch": 482.4328,
        "easting": 451787.7981,
        "northing": 6510060.872,
        "existing_z": 161.9711,
        "design_z": 162.8708,
        "delta_z": 0.8997
      },
      {
        "ch": 490.0,
        "easting": 451794.3515,
        "northing": 6510057.0883,
        "existing_z": 161.6231,
        "design_z": 162.5754,
        "delta_z": 0.9523
      },
      {
        "ch": 500.0,
        "easting": 451803.0117,
        "northing": 6510052.0883,
        "existing_z": 161.2147,
        "design_z": 162.2912,
        "delta_z": 1.0765
      },
      {
        "ch": 502.4328,
        "easting": 451805.1391,
        "northing": 6510050.9089,
        "existing_z": 161.1215,
        "design_z": 162.2404,
        "delta_z": 1.1189
      },
      {
        "ch": 510.0,
        "easting": 451812.1638,
        "northing": 6510048.129,
        "existing_z": 160.9059,
        "design_z": 162.128,
        "delta_z": 1.2221
      },
      {
        "ch": 520.0,
        "easting": 451822.0295,
        "northing": 6510046.6824,
        "existing_z": 160.8271,
        "design_z": 162.0856,
        "delta_z": 1.2585
      },
      {
        "ch": 522.4328,
        "easting": 451824.4615,
        "northing": 6510046.7263,
        "existing_z": 160.8322,
        "design_z": 162.0936,
        "delta_z": 1.2614
      },
      {
        "ch": 530.0,
        "easting": 451831.9317,
        "northing": 6510047.8528,
        "existing_z": 160.9149,
        "design_z": 162.1295,
        "delta_z": 1.2147
      },
      {
        "ch": 540.0,
        "easting": 451841.1883,
        "northing": 6510051.5596,
        "existing_z": 161.1763,
        "design_z": 162.177,
        "delta_z": 1.0007
      },
      {
        "ch": 550.0,
        "easting": 451849.6348,
        "northing": 6510056.9106,
        "existing_z": 161.5017,
        "design_z": 162.2245,
        "delta_z": 0.7228
      },
      {
        "ch": 560.0,
        "easting": 451858.0471,
        "northing": 6510062.3175,
        "existing_z": 161.8533,
        "design_z": 162.272,
        "delta_z": 0.4187
      },
      {
        "ch": 570.0,
        "easting": 451866.4594,
        "northing": 6510067.7243,
        "existing_z": 162.1974,
        "design_z": 162.3195,
        "delta_z": 0.1221
      },
      {
        "ch": 574.2089,
        "easting": 451870.0,
        "northing": 6510070.0,
        "existing_z": 162.3395,
        "design_z": 162.3395,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD109",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 353.808,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 15.19,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452310.71,
          6510287.279999999
        ],
        "end": [
          452560.89,
          6510037.1
        ],
        "chainage_start": 0,
        "length": 353.80794903428523
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.76158980685705,
        "pvi_z": 186.64561266450417,
        "bvc": 50.761589806857046,
        "evc": 90.76158980685705,
        "length": 40.0,
        "g1": -0.150102512776015,
        "g2": -0.15191840255287167,
        "z_bvc": 189.64766292002446,
        "K_m_per_percent": 220.27768705896008
      },
      {
        "pvi_ch": 141.5231796137141,
        "pvi_z": 175.89562497894488,
        "bvc": 121.52317961371409,
        "evc": 161.5231796137141,
        "length": 40.0,
        "g1": -0.15191840255287167,
        "g2": -0.1279160481859596,
        "z_bvc": 178.9339930300023,
        "K_m_per_percent": 16.665031850017662
      },
      {
        "pvi_ch": 212.28476942057114,
        "pvi_z": 166.84408204749585,
        "bvc": 192.28476942057114,
        "evc": 232.28476942057114,
        "length": 40.0,
        "g1": -0.1279160481859596,
        "g2": -0.08953676633058966,
        "z_bvc": 169.40240301121503,
        "K_m_per_percent": 10.422289856995663
      },
      {
        "pvi_ch": 283.0463592274282,
        "pvi_z": 160.50831811577825,
        "bvc": 263.0463592274282,
        "evc": 303.0463592274282,
        "length": 40.0,
        "g1": -0.08953676633058966,
        "g2": -0.07310385768738463,
        "z_bvc": 162.29905344239003,
        "K_m_per_percent": 24.34139985104823
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452310.71,
        "northing": 6510287.28,
        "existing_z": 197.2671,
        "design_z": 197.2671,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452317.7811,
        "northing": 6510280.2089,
        "existing_z": 195.9701,
        "design_z": 195.7661,
        "delta_z": -0.204
      },
      {
        "ch": 20.0,
        "easting": 452324.8521,
        "northing": 6510273.1379,
        "existing_z": 194.644,
        "design_z": 194.2651,
        "delta_z": -0.3789
      },
      {
        "ch": 30.0,
        "easting": 452331.9232,
        "northing": 6510266.0668,
        "existing_z": 193.2578,
        "design_z": 192.764,
        "delta_z": -0.4937
      },
      {
        "ch": 40.0,
        "easting": 452338.9943,
        "northing": 6510258.9957,
        "existing_z": 191.7849,
        "design_z": 191.263,
        "delta_z": -0.5219
      },
      {
        "ch": 50.0,
        "easting": 452346.0653,
        "northing": 6510251.9247,
        "existing_z": 190.2711,
        "design_z": 189.762,
        "delta_z": -0.5091
      },
      {
        "ch": 50.7616,
        "easting": 452346.6039,
        "northing": 6510251.3861,
        "existing_z": 190.1541,
        "design_z": 189.6477,
        "delta_z": -0.5065
      },
      {
        "ch": 60.0,
        "easting": 452353.1364,
        "northing": 6510244.8536,
        "existing_z": 188.6317,
        "design_z": 188.259,
        "delta_z": -0.3727
      },
      {
        "ch": 70.0,
        "easting": 452360.2075,
        "northing": 6510237.7825,
        "existing_z": 186.9304,
        "design_z": 186.7515,
        "delta_z": -0.1788
      },
      {
        "ch": 70.7616,
        "easting": 452360.746,
        "northing": 6510237.244,
        "existing_z": 186.8002,
        "design_z": 186.6365,
        "delta_z": -0.1636
      },
      {
        "ch": 80.0,
        "easting": 452367.2785,
        "northing": 6510230.7115,
        "existing_z": 185.2139,
        "design_z": 185.2395,
        "delta_z": 0.0256
      },
      {
        "ch": 90.0,
        "easting": 452374.3496,
        "northing": 6510223.6404,
        "existing_z": 183.4912,
        "design_z": 183.7229,
        "delta_z": 0.2317
      },
      {
        "ch": 90.7616,
        "easting": 452374.8881,
        "northing": 6510223.1019,
        "existing_z": 183.3627,
        "design_z": 183.6072,
        "delta_z": 0.2445
      },
      {
        "ch": 100.0,
        "easting": 452381.4207,
        "northing": 6510216.5693,
        "existing_z": 181.8088,
        "design_z": 182.2038,
        "delta_z": 0.395
      },
      {
        "ch": 110.0,
        "easting": 452388.4917,
        "northing": 6510209.4983,
        "existing_z": 180.1378,
        "design_z": 180.6846,
        "delta_z": 0.5467
      },
      {
        "ch": 120.0,
        "easting": 452395.5628,
        "northing": 6510202.4272,
        "existing_z": 178.65,
        "design_z": 179.1654,
        "delta_z": 0.5154
      },
      {
        "ch": 121.5232,
        "easting": 452396.6399,
        "northing": 6510201.3501,
        "existing_z": 178.4299,
        "design_z": 178.934,
        "delta_z": 0.5041
      },
      {
        "ch": 130.0,
        "easting": 452402.6339,
        "northing": 6510195.3561,
        "existing_z": 177.205,
        "design_z": 177.6678,
        "delta_z": 0.4628
      },
      {
        "ch": 140.0,
        "easting": 452409.7049,
        "northing": 6510188.2851,
        "existing_z": 175.7601,
        "design_z": 176.2295,
        "delta_z": 0.4694
      },
      {
        "ch": 141.5232,
        "easting": 452410.782,
        "northing": 6510187.208,
        "existing_z": 175.5556,
        "design_z": 176.0156,
        "delta_z": 0.46
      },
      {
        "ch": 150.0,
        "easting": 452416.776,
        "northing": 6510181.214,
        "existing_z": 174.4221,
        "design_z": 174.8511,
        "delta_z": 0.429
      },
      {
        "ch": 160.0,
        "easting": 452423.8471,
        "northing": 6510174.1429,
        "existing_z": 173.019,
        "design_z": 173.5328,
        "delta_z": 0.5138
      },
      {
        "ch": 161.5232,
        "easting": 452424.9241,
        "northing": 6510173.0659,
        "existing_z": 172.799,
        "design_z": 173.3373,
        "delta_z": 0.5383
      },
      {
        "ch": 170.0,
        "easting": 452430.9182,
        "northing": 6510167.0718,
        "existing_z": 171.6034,
        "design_z": 172.253,
        "delta_z": 0.6496
      },
      {
        "ch": 180.0,
        "easting": 452437.9892,
        "northing": 6510160.0008,
        "existing_z": 170.3187,
        "design_z": 170.9738,
        "delta_z": 0.6551
      },
      {
        "ch": 190.0,
        "easting": 452445.0603,
        "northing": 6510152.9297,
        "existing_z": 168.9582,
        "design_z": 169.6947,
        "delta_z": 0.7364
      },
      {
        "ch": 192.2848,
        "easting": 452446.6759,
        "northing": 6510151.3141,
        "existing_z": 168.6368,
        "design_z": 169.4024,
        "delta_z": 0.7656
      },
      {
        "ch": 200.0,
        "easting": 452452.1314,
        "northing": 6510145.8586,
        "existing_z": 167.6774,
        "design_z": 168.4441,
        "delta_z": 0.7667
      },
      {
        "ch": 210.0,
        "easting": 452459.2024,
        "northing": 6510138.7876,
        "existing_z": 166.5343,
        "design_z": 167.2869,
        "delta_z": 0.7526
      },
      {
        "ch": 212.2848,
        "easting": 452460.818,
        "northing": 6510137.172,
        "existing_z": 166.2648,
        "design_z": 167.036,
        "delta_z": 0.7711
      },
      {
        "ch": 220.0,
        "easting": 452466.2735,
        "northing": 6510131.7165,
        "existing_z": 165.3317,
        "design_z": 166.2257,
        "delta_z": 0.8939
      },
      {
        "ch": 230.0,
        "easting": 452473.3446,
        "northing": 6510124.6454,
        "existing_z": 164.327,
        "design_z": 165.2604,
        "delta_z": 0.9334
      },
      {
        "ch": 232.2848,
        "easting": 452474.9601,
        "northing": 6510123.0299,
        "existing_z": 164.1365,
        "design_z": 165.0533,
        "delta_z": 0.9168
      },
      {
        "ch": 240.0,
        "easting": 452480.4156,
        "northing": 6510117.5744,
        "existing_z": 163.4821,
        "design_z": 164.3625,
        "delta_z": 0.8804
      },
      {
        "ch": 250.0,
        "easting": 452487.4867,
        "northing": 6510110.5033,
        "existing_z": 162.608,
        "design_z": 163.4672,
        "delta_z": 0.8592
      },
      {
        "ch": 260.0,
        "easting": 452494.5578,
        "northing": 6510103.4322,
        "existing_z": 161.9017,
        "design_z": 162.5718,
        "delta_z": 0.6702
      },
      {
        "ch": 263.0464,
        "easting": 452496.7119,
        "northing": 6510101.2781,
        "existing_z": 161.7051,
        "design_z": 162.2991,
        "delta_z": 0.5939
      },
      {
        "ch": 270.0,
        "easting": 452501.6288,
        "northing": 6510096.3612,
        "existing_z": 161.2428,
        "design_z": 161.6864,
        "delta_z": 0.4436
      },
      {
        "ch": 280.0,
        "easting": 452508.6999,
        "northing": 6510089.2901,
        "existing_z": 160.5416,
        "design_z": 160.8401,
        "delta_z": 0.2986
      },
      {
        "ch": 283.0464,
        "easting": 452510.854,
        "northing": 6510087.136,
        "existing_z": 160.3246,
        "design_z": 160.5905,
        "delta_z": 0.2659
      },
      {
        "ch": 290.0,
        "easting": 452515.771,
        "northing": 6510082.219,
        "existing_z": 159.8637,
        "design_z": 160.0349,
        "delta_z": 0.1712
      },
      {
        "ch": 300.0,
        "easting": 452522.842,
        "northing": 6510075.148,
        "existing_z": 159.1731,
        "design_z": 159.2708,
        "delta_z": 0.0977
      },
      {
        "ch": 303.0464,
        "easting": 452524.9961,
        "northing": 6510072.9939,
        "existing_z": 158.9562,
        "design_z": 159.0462,
        "delta_z": 0.09
      },
      {
        "ch": 310.0,
        "easting": 452529.9131,
        "northing": 6510068.0769,
        "existing_z": 158.4512,
        "design_z": 158.5379,
        "delta_z": 0.0867
      },
      {
        "ch": 320.0,
        "easting": 452536.9842,
        "northing": 6510061.0058,
        "existing_z": 157.7204,
        "design_z": 157.8069,
        "delta_z": 0.0865
      },
      {
        "ch": 330.0,
        "easting": 452544.0552,
        "northing": 6510053.9348,
        "existing_z": 156.9857,
        "design_z": 157.0758,
        "delta_z": 0.0901
      },
      {
        "ch": 340.0,
        "easting": 452551.1263,
        "northing": 6510046.8637,
        "existing_z": 156.2807,
        "design_z": 156.3448,
        "delta_z": 0.064
      },
      {
        "ch": 350.0,
        "easting": 452558.1974,
        "northing": 6510039.7926,
        "existing_z": 155.5926,
        "design_z": 155.6137,
        "delta_z": 0.0212
      },
      {
        "ch": 353.8079,
        "easting": 452560.89,
        "northing": 6510037.1,
        "existing_z": 155.3354,
        "design_z": 155.3354,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD110",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 99.999,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.3,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451262.15,
          6510198.72
        ],
        "end": [
          451332.8599999997,
          6510128.01
        ],
        "chainage_start": 0,
        "length": 99.99904099514308
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 49.99952049757154,
        "pvi_z": 160.13842252041988,
        "bvc": 29.999520497571538,
        "evc": 69.99952049757154,
        "length": 40.0,
        "g1": 0.11301092823165694,
        "g2": 0.10769919620165609,
        "z_bvc": 157.87820395578674,
        "K_m_per_percent": 75.30500366750167
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451262.15,
        "northing": 6510198.72,
        "existing_z": 154.4879,
        "design_z": 154.4879,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451269.2211,
        "northing": 6510191.6489,
        "existing_z": 155.6718,
        "design_z": 155.618,
        "delta_z": -0.0537
      },
      {
        "ch": 20.0,
        "easting": 451276.2921,
        "northing": 6510184.5779,
        "existing_z": 156.8269,
        "design_z": 156.7481,
        "delta_z": -0.0788
      },
      {
        "ch": 29.9995,
        "easting": 451283.3629,
        "northing": 6510177.5071,
        "existing_z": 157.9746,
        "design_z": 157.8782,
        "delta_z": -0.0964
      },
      {
        "ch": 30.0,
        "easting": 451283.3632,
        "northing": 6510177.5068,
        "existing_z": 157.9747,
        "design_z": 157.8783,
        "delta_z": -0.0964
      },
      {
        "ch": 40.0,
        "easting": 451290.4343,
        "northing": 6510170.4357,
        "existing_z": 159.1266,
        "design_z": 159.0017,
        "delta_z": -0.1249
      },
      {
        "ch": 49.9995,
        "easting": 451297.505,
        "northing": 6510163.365,
        "existing_z": 160.2057,
        "design_z": 160.1119,
        "delta_z": -0.0938
      },
      {
        "ch": 50.0,
        "easting": 451297.5053,
        "northing": 6510163.3647,
        "existing_z": 160.2057,
        "design_z": 160.1119,
        "delta_z": -0.0938
      },
      {
        "ch": 60.0,
        "easting": 451304.5764,
        "northing": 6510156.2936,
        "existing_z": 161.296,
        "design_z": 161.2088,
        "delta_z": -0.0871
      },
      {
        "ch": 69.9995,
        "easting": 451311.6471,
        "northing": 6510149.2229,
        "existing_z": 162.3883,
        "design_z": 162.2924,
        "delta_z": -0.0959
      },
      {
        "ch": 70.0,
        "easting": 451311.6475,
        "northing": 6510149.2225,
        "existing_z": 162.3884,
        "design_z": 162.2925,
        "delta_z": -0.0959
      },
      {
        "ch": 80.0,
        "easting": 451318.7185,
        "northing": 6510142.1515,
        "existing_z": 163.4243,
        "design_z": 163.3695,
        "delta_z": -0.0549
      },
      {
        "ch": 90.0,
        "easting": 451325.7896,
        "northing": 6510135.0804,
        "existing_z": 164.4878,
        "design_z": 164.4464,
        "delta_z": -0.0414
      },
      {
        "ch": 99.999,
        "easting": 451332.86,
        "northing": 6510128.01,
        "existing_z": 165.5233,
        "design_z": 165.5233,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD111",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 199.236,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 7.33,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450491.35599999997,
          6510130.904
        ],
        "end": [
          450490.56951999996,
          6510130.37968
        ],
        "chainage_start": 0,
        "length": 0.945231322301269
      },
      {
        "type": "ARC",
        "centre": [
          450490.1063848542,
          6510131.074382719
        ],
        "radius": 0.8349287577615908,
        "start_angle_rad": -0.9827937230733081,
        "sweep_rad": -1.373400767004452,
        "start": [
          450490.56951999996,
          6510130.37968
        ],
        "end": [
          450489.51600106776,
          6510130.483998932
        ],
        "chainage_start": 0.945231322301269,
        "length": 1.146691796303843,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450489.5160010678,
          6510130.483998932
        ],
        "end": [
          450439.5224152213,
          6510180.477584778
        ],
        "chainage_start": 2.091923118605112,
        "length": 70.70160713570621
      },
      {
        "type": "ARC",
        "centre": [
          450405.48278447543,
          6510146.437954033
        ],
        "radius": 48.13930745904179,
        "start_angle_rad": 0.7853981633923183,
        "sweep_rad": 1.4288992721903813,
        "start": [
          450439.5224152213,
          6510180.477584778
        ],
        "end": [
          450376.5992,
          6510184.9494
        ],
        "chainage_start": 72.79353025431132,
        "length": 68.7862213919738,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450376.59920000023,
          6510184.9494
        ],
        "end": [
          450330.47428571427,
          6510150.355714286
        ],
        "chainage_start": 141.5797516462851,
        "length": 57.65614285748452
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 66.41196483458988,
        "pvi_z": 140.73856243852973,
        "bvc": 46.41196483458988,
        "evc": 86.41196483458988,
        "length": 40.0,
        "g1": 0.07325436401769604,
        "g2": 0.056511354689499624,
        "z_bvc": 139.2734751581758,
        "K_m_per_percent": 23.890567827993237
      },
      {
        "pvi_ch": 132.82392966917976,
        "pvi_z": 144.4915925389238,
        "bvc": 112.82392966917976,
        "evc": 152.82392966917976,
        "length": 40.0,
        "g1": 0.056511354689499624,
        "g2": 0.03139711219905783,
        "z_bvc": 143.36136544513383,
        "K_m_per_percent": 15.927217400733294
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450491.356,
        "northing": 6510130.904,
        "existing_z": 135.8736,
        "design_z": 135.8736,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450483.9241,
        "northing": 6510136.0759,
        "existing_z": 136.4785,
        "design_z": 136.6061,
        "delta_z": 0.1277
      },
      {
        "ch": 20.0,
        "easting": 450476.8531,
        "northing": 6510143.1469,
        "existing_z": 137.1965,
        "design_z": 137.3387,
        "delta_z": 0.1422
      },
      {
        "ch": 30.0,
        "easting": 450469.782,
        "northing": 6510150.218,
        "existing_z": 137.9238,
        "design_z": 138.0712,
        "delta_z": 0.1474
      },
      {
        "ch": 40.0,
        "easting": 450462.7109,
        "northing": 6510157.2891,
        "existing_z": 138.7392,
        "design_z": 138.8038,
        "delta_z": 0.0646
      },
      {
        "ch": 46.412,
        "easting": 450458.177,
        "northing": 6510161.823,
        "existing_z": 139.2633,
        "design_z": 139.2735,
        "delta_z": 0.0101
      },
      {
        "ch": 50.0,
        "easting": 450455.6399,
        "northing": 6510164.3601,
        "existing_z": 139.5571,
        "design_z": 139.5336,
        "delta_z": -0.0235
      },
      {
        "ch": 60.0,
        "easting": 450448.5688,
        "northing": 6510171.4312,
        "existing_z": 140.3802,
        "design_z": 140.2302,
        "delta_z": -0.15
      },
      {
        "ch": 66.412,
        "easting": 450444.0349,
        "northing": 6510175.9651,
        "existing_z": 140.9129,
        "design_z": 140.6548,
        "delta_z": -0.2581
      },
      {
        "ch": 70.0,
        "easting": 450441.4977,
        "northing": 6510178.5023,
        "existing_z": 141.2097,
        "design_z": 140.885,
        "delta_z": -0.3247
      },
      {
        "ch": 80.0,
        "easting": 450434.065,
        "northing": 6510185.1736,
        "existing_z": 142.0304,
        "design_z": 141.4978,
        "delta_z": -0.5326
      },
      {
        "ch": 86.412,
        "easting": 450428.6676,
        "northing": 6510188.6263,
        "existing_z": 142.5396,
        "design_z": 141.8688,
        "delta_z": -0.6708
      },
      {
        "ch": 90.0,
        "easting": 450425.4617,
        "northing": 6510190.2356,
        "existing_z": 142.8091,
        "design_z": 142.0716,
        "delta_z": -0.7376
      },
      {
        "ch": 100.0,
        "easting": 450415.9993,
        "northing": 6510193.4145,
        "existing_z": 143.524,
        "design_z": 142.6367,
        "delta_z": -0.8873
      },
      {
        "ch": 110.0,
        "easting": 450406.0848,
        "northing": 6510194.5735,
        "existing_z": 144.1172,
        "design_z": 143.2018,
        "delta_z": -0.9154
      },
      {
        "ch": 112.8239,
        "easting": 450403.2617,
        "northing": 6510194.526,
        "existing_z": 144.2511,
        "design_z": 143.3614,
        "delta_z": -0.8898
      },
      {
        "ch": 120.0,
        "easting": 450396.1444,
        "northing": 6510193.6628,
        "existing_z": 144.5454,
        "design_z": 143.7507,
        "delta_z": -0.7946
      },
      {
        "ch": 130.0,
        "easting": 450386.6055,
        "northing": 6510190.7216,
        "existing_z": 144.8315,
        "design_z": 144.2394,
        "delta_z": -0.5921
      },
      {
        "ch": 132.8239,
        "easting": 450384.0418,
        "northing": 6510189.5387,
        "existing_z": 144.8893,
        "design_z": 144.366,
        "delta_z": -0.5232
      },
      {
        "ch": 140.0,
        "easting": 450377.8783,
        "northing": 6510185.8763,
        "existing_z": 145.0231,
        "design_z": 144.6653,
        "delta_z": -0.3578
      },
      {
        "ch": 150.0,
        "easting": 450369.863,
        "northing": 6510179.8973,
        "existing_z": 145.1748,
        "design_z": 145.0284,
        "delta_z": -0.1465
      },
      {
        "ch": 152.8239,
        "easting": 450367.6039,
        "northing": 6510178.2029,
        "existing_z": 145.2319,
        "design_z": 145.1195,
        "delta_z": -0.1123
      },
      {
        "ch": 160.0,
        "easting": 450361.863,
        "northing": 6510173.8973,
        "existing_z": 145.3872,
        "design_z": 145.3448,
        "delta_z": -0.0424
      },
      {
        "ch": 170.0,
        "easting": 450353.863,
        "northing": 6510167.8973,
        "existing_z": 145.6252,
        "design_z": 145.6588,
        "delta_z": 0.0336
      },
      {
        "ch": 180.0,
        "easting": 450345.863,
        "northing": 6510161.8973,
        "existing_z": 145.9151,
        "design_z": 145.9728,
        "delta_z": 0.0577
      },
      {
        "ch": 190.0,
        "easting": 450337.863,
        "northing": 6510155.8973,
        "existing_z": 146.252,
        "design_z": 146.2868,
        "delta_z": 0.0348
      },
      {
        "ch": 199.2359,
        "easting": 450330.4743,
        "northing": 6510150.3557,
        "existing_z": 146.5767,
        "design_z": 146.5767,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD112",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 193.359,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 8.91,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451870.0,
          6510128.8759679515
        ],
        "end": [
          451870.0,
          6510129.52790654
        ],
        "chainage_start": 0,
        "length": 0.6519385883584619
      },
      {
        "type": "ARC",
        "centre": [
          451869.18705378403,
          6510129.52790654
        ],
        "radius": 0.8129462159885252,
        "start_angle_rad": 0.0,
        "sweep_rad": 1.052243546498604,
        "start": [
          451870.0,
          6510129.52790654
        ],
        "end": [
          451869.5899691897,
          6510130.233980704
        ],
        "chainage_start": 0.6519385883584619,
        "length": 0.8554174094243859,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451869.5899691897,
          6510130.233980704
        ],
        "end": [
          451702.96,
          6510225.32
        ],
        "chainage_start": 1.507355997782848,
        "length": 191.85123845771125
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 64.45286481849803,
        "pvi_z": 167.85571705721702,
        "bvc": 44.45286481849803,
        "evc": 84.45286481849803,
        "length": 40.0,
        "g1": 0.03735556581937734,
        "g2": 0.05868083990966539,
        "z_bvc": 167.10860574082946,
        "K_m_per_percent": 18.75708599600921
      },
      {
        "pvi_ch": 128.90572963699606,
        "pvi_z": 171.6378652993506,
        "bvc": 108.90572963699606,
        "evc": 148.90572963699606,
        "length": 40.0,
        "g1": 0.05868083990966539,
        "g2": 0.08909644387971946,
        "z_bvc": 170.4642485011573,
        "K_m_per_percent": 13.151144405806415
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451870.0,
        "northing": 6510128.876,
        "existing_z": 165.448,
        "design_z": 165.448,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451862.2138,
        "northing": 6510134.4431,
        "existing_z": 165.8,
        "design_z": 165.8216,
        "delta_z": 0.0216
      },
      {
        "ch": 20.0,
        "easting": 451853.5284,
        "northing": 6510139.3994,
        "existing_z": 166.0983,
        "design_z": 166.1952,
        "delta_z": 0.0969
      },
      {
        "ch": 30.0,
        "easting": 451844.843,
        "northing": 6510144.3556,
        "existing_z": 166.402,
        "design_z": 166.5687,
        "delta_z": 0.1667
      },
      {
        "ch": 40.0,
        "easting": 451836.1577,
        "northing": 6510149.3118,
        "existing_z": 166.7097,
        "design_z": 166.9423,
        "delta_z": 0.2326
      },
      {
        "ch": 44.4529,
        "easting": 451832.2902,
        "northing": 6510151.5188,
        "existing_z": 166.8455,
        "design_z": 167.1086,
        "delta_z": 0.2631
      },
      {
        "ch": 50.0,
        "easting": 451827.4723,
        "northing": 6510154.2681,
        "existing_z": 167.0378,
        "design_z": 167.324,
        "delta_z": 0.2862
      },
      {
        "ch": 60.0,
        "easting": 451818.7869,
        "northing": 6510159.2243,
        "existing_z": 167.421,
        "design_z": 167.7538,
        "delta_z": 0.3328
      },
      {
        "ch": 64.4529,
        "easting": 451814.9194,
        "northing": 6510161.4313,
        "existing_z": 167.5904,
        "design_z": 167.9623,
        "delta_z": 0.3719
      },
      {
        "ch": 70.0,
        "easting": 451810.1015,
        "northing": 6510164.1806,
        "existing_z": 167.8004,
        "design_z": 168.2369,
        "delta_z": 0.4365
      },
      {
        "ch": 80.0,
        "easting": 451801.4162,
        "northing": 6510169.1368,
        "existing_z": 168.2779,
        "design_z": 168.7733,
        "delta_z": 0.4954
      },
      {
        "ch": 84.4529,
        "easting": 451797.5487,
        "northing": 6510171.3437,
        "existing_z": 168.4943,
        "design_z": 169.0293,
        "delta_z": 0.5351
      },
      {
        "ch": 90.0,
        "easting": 451792.7308,
        "northing": 6510174.093,
        "existing_z": 168.7641,
        "design_z": 169.3548,
        "delta_z": 0.5908
      },
      {
        "ch": 100.0,
        "easting": 451784.0454,
        "northing": 6510179.0493,
        "existing_z": 169.3244,
        "design_z": 169.9417,
        "delta_z": 0.6172
      },
      {
        "ch": 108.9057,
        "easting": 451776.3105,
        "northing": 6510183.4632,
        "existing_z": 169.8446,
        "design_z": 170.4642,
        "delta_z": 0.6196
      },
      {
        "ch": 110.0,
        "easting": 451775.3601,
        "northing": 6510184.0055,
        "existing_z": 169.9076,
        "design_z": 170.5289,
        "delta_z": 0.6213
      },
      {
        "ch": 120.0,
        "easting": 451766.6747,
        "northing": 6510188.9617,
        "existing_z": 170.5468,
        "design_z": 171.1621,
        "delta_z": 0.6153
      },
      {
        "ch": 128.9057,
        "easting": 451758.9397,
        "northing": 6510193.3756,
        "existing_z": 171.2169,
        "design_z": 171.7899,
        "delta_z": 0.573
      },
      {
        "ch": 130.0,
        "easting": 451757.9893,
        "northing": 6510193.918,
        "existing_z": 171.2984,
        "design_z": 171.8713,
        "delta_z": 0.5729
      },
      {
        "ch": 140.0,
        "easting": 451749.3039,
        "northing": 6510198.8742,
        "existing_z": 172.047,
        "design_z": 172.6565,
        "delta_z": 0.6095
      },
      {
        "ch": 148.9057,
        "easting": 451741.569,
        "northing": 6510203.2881,
        "existing_z": 172.8761,
        "design_z": 173.4198,
        "delta_z": 0.5437
      },
      {
        "ch": 150.0,
        "easting": 451740.6186,
        "northing": 6510203.8305,
        "existing_z": 172.9778,
        "design_z": 173.5173,
        "delta_z": 0.5394
      },
      {
        "ch": 160.0,
        "easting": 451731.9332,
        "northing": 6510208.7867,
        "existing_z": 173.9072,
        "design_z": 174.4083,
        "delta_z": 0.5011
      },
      {
        "ch": 170.0,
        "easting": 451723.2478,
        "northing": 6510213.7429,
        "existing_z": 174.9659,
        "design_z": 175.2992,
        "delta_z": 0.3334
      },
      {
        "ch": 180.0,
        "easting": 451714.5624,
        "northing": 6510218.6992,
        "existing_z": 176.0362,
        "design_z": 176.1902,
        "delta_z": 0.154
      },
      {
        "ch": 190.0,
        "easting": 451705.8771,
        "northing": 6510223.6554,
        "existing_z": 177.0514,
        "design_z": 177.0811,
        "delta_z": 0.0297
      },
      {
        "ch": 193.3586,
        "easting": 451702.96,
        "northing": 6510225.32,
        "existing_z": 177.3804,
        "design_z": 177.3804,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD113",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 642.691,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.87,
    "radius_review_count": 6,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450710.0,
          6509930.0
        ],
        "end": [
          450598.4,
          6510041.6
        ],
        "chainage_start": 0,
        "length": 157.82623356055754
      },
      {
        "type": "ARC",
        "centre": [
          450606.80000000005,
          6510050.0
        ],
        "radius": 11.879393923934,
        "start_angle_rad": -2.3561944901715566,
        "sweep_rad": -1.5707963267948966,
        "start": [
          450598.4,
          6510041.6
        ],
        "end": [
          450598.4,
          6510058.4
        ],
        "chainage_start": 157.82623356055754,
        "length": 18.66010834026514,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450598.39999999985,
          6510058.399999999
        ],
        "end": [
          450601.6,
          6510061.6
        ],
        "chainage_start": 176.48634190082268,
        "length": 4.525483399816163
      },
      {
        "type": "ARC",
        "centre": [
          450593.19999999995,
          6510070.0
        ],
        "radius": 11.879393923934,
        "start_angle_rad": -0.7853981634182368,
        "sweep_rad": 1.5707963267948966,
        "start": [
          450601.6,
          6510061.6
        ],
        "end": [
          450601.6,
          6510078.4
        ],
        "chainage_start": 181.01182530063883,
        "length": 18.66010834026514,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450601.60000000015,
          6510078.399999999
        ],
        "end": [
          450598.4,
          6510081.6
        ],
        "chainage_start": 199.67193364090397,
        "length": 4.525483399816163
      },
      {
        "type": "ARC",
        "centre": [
          450618.67939392396,
          6510101.879393923
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": -2.356194490203826,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450598.4,
          6510081.6
        ],
        "end": [
          450590.0,
          6510101.879393924
        ],
        "chainage_start": 204.19741704072013,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450590.0,
          6510101.879393923
        ],
        "end": [
          450590.0,
          6510138.120606076
        ],
        "chainage_start": 226.72216035592982,
        "length": 36.24121215287596
      },
      {
        "type": "ARC",
        "centre": [
          450561.32060607604,
          6510138.120606076
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 0.0,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450590.0,
          6510138.120606076
        ],
        "end": [
          450581.6,
          6510158.4
        ],
        "chainage_start": 262.9633725088058,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450581.6,
          6510158.399999999
        ],
        "end": [
          450578.4,
          6510161.6
        ],
        "chainage_start": 285.4881158240155,
        "length": 4.5254833996926855
      },
      {
        "type": "ARC",
        "centre": [
          450598.67939392396,
          6510181.879393923
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": -2.356194490203826,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450578.4,
          6510161.6
        ],
        "end": [
          450570.0,
          6510181.879393924
        ],
        "chainage_start": 290.0135992237082,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450570.0,
          6510181.879393923
        ],
        "end": [
          450570.0,
          6510193.2
        ],
        "chainage_start": 312.5383425389179,
        "length": 11.320606077089906
      },
      {
        "type": "ARC",
        "centre": [
          450611.0546474228,
          6510193.2
        ],
        "radius": 41.0546474227964,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -0.7768426202681267,
        "start": [
          450570.0,
          6510193.2
        ],
        "end": [
          450581.77732572955,
          6510221.980592584
        ],
        "chainage_start": 323.8589486160078,
        "length": 31.892999878109247,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450581.77732572955,
          6510221.980592584
        ],
        "end": [
          450782.9306987406,
          6510426.605705641
        ],
        "chainage_start": 355.7519484941171,
        "length": 286.9392206849682
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 71.41012990878725,
        "pvi_z": 137.68908119580706,
        "bvc": 51.410129908787255,
        "evc": 91.41012990878725,
        "length": 40.0,
        "g1": -0.030785341486775267,
        "g2": -0.029795979587877445,
        "z_bvc": 138.30478802554256,
        "K_m_per_percent": 404.3009948590215
      },
      {
        "pvi_ch": 142.8202598175745,
        "pvi_z": 135.56134642267716,
        "bvc": 122.82025981757451,
        "evc": 162.8202598175745,
        "length": 40.0,
        "g1": -0.029795979587877445,
        "g2": -0.015274034250427249,
        "z_bvc": 136.1572660144347,
        "K_m_per_percent": 27.544519050657243
      },
      {
        "pvi_ch": 214.23038972636175,
        "pvi_z": 134.47062565262289,
        "bvc": 194.23038972636175,
        "evc": 234.23038972636175,
        "length": 40.0,
        "g1": -0.015274034250427249,
        "g2": 0.016615459712004715,
        "z_bvc": 134.77610633763143,
        "K_m_per_percent": 12.543316004676266
      },
      {
        "pvi_ch": 285.640519635149,
        "pvi_z": 135.65713778915136,
        "bvc": 265.640519635149,
        "evc": 305.640519635149,
        "length": 40.0,
        "g1": 0.016615459712004715,
        "g2": 0.03873988342805478,
        "z_bvc": 135.32482859491128,
        "K_m_per_percent": 18.079566958836615
      },
      {
        "pvi_ch": 357.0506495439363,
        "pvi_z": 138.42355789740003,
        "bvc": 337.0506495439363,
        "evc": 377.0506495439363,
        "length": 40.0,
        "g1": 0.03873988342805478,
        "g2": 0.03355231965916554,
        "z_bvc": 137.64876022883894,
        "K_m_per_percent": 77.10748586819737
      },
      {
        "pvi_ch": 428.4607794527235,
        "pvi_z": 140.8195334030022,
        "bvc": 408.4607794527235,
        "evc": 448.4607794527235,
        "length": 40.0,
        "g1": 0.03355231965916554,
        "g2": 0.029256119838332213,
        "z_bvc": 140.1484870098189,
        "K_m_per_percent": 93.1055390068921
      },
      {
        "pvi_ch": 499.87090936151077,
        "pvi_z": 142.90871672128455,
        "bvc": 479.87090936151077,
        "evc": 519.8709093615107,
        "length": 40.0,
        "g1": 0.029256119838332213,
        "g2": 0.032784275492384295,
        "z_bvc": 142.3235943245179,
        "K_m_per_percent": 113.37368280240148
      },
      {
        "pvi_ch": 571.281039270298,
        "pvi_z": 145.24984609316118,
        "bvc": 551.281039270298,
        "evc": 591.281039270298,
        "length": 40.0,
        "g1": 0.032784275492384295,
        "g2": 0.01862528004472012,
        "z_bvc": 144.5941605833135,
        "K_m_per_percent": 28.2505917512664
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450710.0,
        "northing": 6509930.0,
        "existing_z": 139.8875,
        "design_z": 139.8875,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450702.9289,
        "northing": 6509937.0711,
        "existing_z": 139.5596,
        "design_z": 139.5796,
        "delta_z": 0.02
      },
      {
        "ch": 20.0,
        "easting": 450695.8579,
        "northing": 6509944.1421,
        "existing_z": 139.2495,
        "design_z": 139.2718,
        "delta_z": 0.0223
      },
      {
        "ch": 30.0,
        "easting": 450688.7868,
        "northing": 6509951.2132,
        "existing_z": 138.9525,
        "design_z": 138.9639,
        "delta_z": 0.0115
      },
      {
        "ch": 40.0,
        "easting": 450681.7157,
        "northing": 6509958.2843,
        "existing_z": 138.6465,
        "design_z": 138.6561,
        "delta_z": 0.0096
      },
      {
        "ch": 50.0,
        "easting": 450674.6447,
        "northing": 6509965.3553,
        "existing_z": 138.351,
        "design_z": 138.3482,
        "delta_z": -0.0028
      },
      {
        "ch": 51.4101,
        "easting": 450673.6475,
        "northing": 6509966.3525,
        "existing_z": 138.3101,
        "design_z": 138.3048,
        "delta_z": -0.0053
      },
      {
        "ch": 60.0,
        "easting": 450667.5736,
        "northing": 6509972.4264,
        "existing_z": 138.0577,
        "design_z": 138.0413,
        "delta_z": -0.0165
      },
      {
        "ch": 70.0,
        "easting": 450660.5025,
        "northing": 6509979.4975,
        "existing_z": 137.7593,
        "design_z": 137.7368,
        "delta_z": -0.0226
      },
      {
        "ch": 71.4101,
        "easting": 450659.5054,
        "northing": 6509980.4946,
        "existing_z": 137.7181,
        "design_z": 137.694,
        "delta_z": -0.0241
      },
      {
        "ch": 80.0,
        "easting": 450653.4315,
        "northing": 6509986.5685,
        "existing_z": 137.4715,
        "design_z": 137.4347,
        "delta_z": -0.0368
      },
      {
        "ch": 90.0,
        "easting": 450646.3604,
        "northing": 6509993.6396,
        "existing_z": 137.1827,
        "design_z": 137.1352,
        "delta_z": -0.0475
      },
      {
        "ch": 91.4101,
        "easting": 450645.3633,
        "northing": 6509994.6367,
        "existing_z": 137.1412,
        "design_z": 137.0932,
        "delta_z": -0.0481
      },
      {
        "ch": 100.0,
        "easting": 450639.2893,
        "northing": 6510000.7107,
        "existing_z": 136.8929,
        "design_z": 136.8372,
        "delta_z": -0.0557
      },
      {
        "ch": 110.0,
        "easting": 450632.2183,
        "northing": 6510007.7817,
        "existing_z": 136.6129,
        "design_z": 136.5393,
        "delta_z": -0.0737
      },
      {
        "ch": 120.0,
        "easting": 450625.1472,
        "northing": 6510014.8528,
        "existing_z": 136.2819,
        "design_z": 136.2413,
        "delta_z": -0.0406
      },
      {
        "ch": 122.8203,
        "easting": 450623.153,
        "northing": 6510016.847,
        "existing_z": 136.1788,
        "design_z": 136.1573,
        "delta_z": -0.0216
      },
      {
        "ch": 130.0,
        "easting": 450618.0761,
        "northing": 6510021.9239,
        "existing_z": 135.9106,
        "design_z": 135.9527,
        "delta_z": 0.0421
      },
      {
        "ch": 140.0,
        "easting": 450611.0051,
        "northing": 6510028.9949,
        "existing_z": 135.5229,
        "design_z": 135.699,
        "delta_z": 0.176
      },
      {
        "ch": 142.8203,
        "easting": 450609.0108,
        "northing": 6510030.9892,
        "existing_z": 135.3974,
        "design_z": 135.634,
        "delta_z": 0.2365
      },
      {
        "ch": 150.0,
        "easting": 450603.934,
        "northing": 6510036.066,
        "existing_z": 135.0544,
        "design_z": 135.4815,
        "delta_z": 0.4272
      },
      {
        "ch": 160.0,
        "easting": 450597.0117,
        "northing": 6510043.2688,
        "existing_z": 134.6077,
        "design_z": 135.3004,
        "delta_z": 0.6927
      },
      {
        "ch": 162.8203,
        "easting": 450595.7032,
        "northing": 6510045.7596,
        "existing_z": 134.4887,
        "design_z": 135.2559,
        "delta_z": 0.7671
      },
      {
        "ch": 170.0,
        "easting": 450595.2594,
        "northing": 6510052.8166,
        "existing_z": 134.2921,
        "design_z": 135.1462,
        "delta_z": 0.8541
      },
      {
        "ch": 180.0,
        "easting": 450600.8845,
        "northing": 6510060.8845,
        "existing_z": 134.2521,
        "design_z": 134.9935,
        "delta_z": 0.7414
      },
      {
        "ch": 190.0,
        "easting": 450605.0745,
        "northing": 6510069.6582,
        "existing_z": 134.1076,
        "design_z": 134.8407,
        "delta_z": 0.7331
      },
      {
        "ch": 194.2304,
        "easting": 450604.4486,
        "northing": 6510073.8194,
        "existing_z": 134.0782,
        "design_z": 134.7761,
        "delta_z": 0.6979
      },
      {
        "ch": 200.0,
        "easting": 450601.368,
        "northing": 6510078.632,
        "existing_z": 134.045,
        "design_z": 134.7013,
        "delta_z": 0.6562
      },
      {
        "ch": 210.0,
        "easting": 450594.7386,
        "northing": 6510086.0888,
        "existing_z": 134.0069,
        "design_z": 134.6344,
        "delta_z": 0.6274
      },
      {
        "ch": 214.2304,
        "easting": 450592.6778,
        "northing": 6510089.7789,
        "existing_z": 133.9986,
        "design_z": 134.6301,
        "delta_z": 0.6314
      },
      {
        "ch": 220.0,
        "easting": 450590.7842,
        "northing": 6510095.2186,
        "existing_z": 133.9989,
        "design_z": 134.6472,
        "delta_z": 0.6483
      },
      {
        "ch": 230.0,
        "easting": 450590.0,
        "northing": 6510105.1572,
        "existing_z": 134.0012,
        "design_z": 134.7398,
        "delta_z": 0.7386
      },
      {
        "ch": 234.2304,
        "easting": 450590.0,
        "northing": 6510109.3876,
        "existing_z": 134.0023,
        "design_z": 134.8029,
        "delta_z": 0.8006
      },
      {
        "ch": 240.0,
        "easting": 450590.0,
        "northing": 6510115.1572,
        "existing_z": 134.0308,
        "design_z": 134.8988,
        "delta_z": 0.868
      },
      {
        "ch": 250.0,
        "easting": 450590.0,
        "northing": 6510125.1572,
        "existing_z": 134.0858,
        "design_z": 135.065,
        "delta_z": 0.9792
      },
      {
        "ch": 260.0,
        "easting": 450590.0,
        "northing": 6510135.1572,
        "existing_z": 134.264,
        "design_z": 135.2311,
        "delta_z": 0.9671
      },
      {
        "ch": 265.6405,
        "easting": 450589.8751,
        "northing": 6510140.7939,
        "existing_z": 134.4309,
        "design_z": 135.3248,
        "delta_z": 0.8939
      },
      {
        "ch": 270.0,
        "easting": 450589.1411,
        "northing": 6510145.0868,
        "existing_z": 134.5668,
        "design_z": 135.4025,
        "delta_z": 0.8357
      },
      {
        "ch": 280.0,
        "easting": 450585.0869,
        "northing": 6510154.1728,
        "existing_z": 135.0138,
        "design_z": 135.6204,
        "delta_z": 0.6066
      },
      {
        "ch": 285.6405,
        "easting": 450581.4922,
        "northing": 6510158.5078,
        "existing_z": 135.3226,
        "design_z": 135.7678,
        "delta_z": 0.4451
      },
      {
        "ch": 290.0,
        "easting": 450578.4096,
        "northing": 6510161.5904,
        "existing_z": 135.556,
        "design_z": 135.8937,
        "delta_z": 0.3376
      },
      {
        "ch": 300.0,
        "easting": 450572.6974,
        "northing": 6510169.7367,
        "existing_z": 136.1441,
        "design_z": 136.2222,
        "delta_z": 0.0781
      },
      {
        "ch": 305.6405,
        "easting": 450570.8255,
        "northing": 6510175.0479,
        "existing_z": 136.4747,
        "design_z": 136.4319,
        "delta_z": -0.0428
      },
      {
        "ch": 310.0,
        "easting": 450570.1123,
        "northing": 6510179.3444,
        "existing_z": 136.7255,
        "design_z": 136.6008,
        "delta_z": -0.1247
      },
      {
        "ch": 320.0,
        "easting": 450570.0,
        "northing": 6510189.3411,
        "existing_z": 137.2775,
        "design_z": 136.9882,
        "delta_z": -0.2893
      },
      {
        "ch": 330.0,
        "easting": 450570.4584,
        "northing": 6510199.3182,
        "existing_z": 137.7629,
        "design_z": 137.3756,
        "delta_z": -0.3873
      },
      {
        "ch": 337.0506,
        "easting": 450572.1012,
        "northing": 6510206.1659,
        "existing_z": 138.0631,
        "design_z": 137.6488,
        "delta_z": -0.4143
      },
      {
        "ch": 340.0,
        "easting": 450573.1323,
        "northing": 6510208.9284,
        "existing_z": 138.1754,
        "design_z": 137.7625,
        "delta_z": -0.4129
      },
      {
        "ch": 350.0,
        "easting": 450578.0451,
        "northing": 6510217.6101,
        "existing_z": 138.4537,
        "design_z": 138.1395,
        "delta_z": -0.3141
      },
      {
        "ch": 357.0506,
        "easting": 450582.6878,
        "northing": 6510222.9067,
        "existing_z": 138.58,
        "design_z": 138.3976,
        "delta_z": -0.1823
      },
      {
        "ch": 360.0,
        "easting": 450584.7553,
        "northing": 6510225.01,
        "existing_z": 138.6242,
        "design_z": 138.5037,
        "delta_z": -0.1205
      },
      {
        "ch": 370.0,
        "easting": 450591.7657,
        "northing": 6510232.1413,
        "existing_z": 138.7837,
        "design_z": 138.8548,
        "delta_z": 0.0711
      },
      {
        "ch": 377.0506,
        "easting": 450596.7084,
        "northing": 6510237.1693,
        "existing_z": 138.9354,
        "design_z": 139.0946,
        "delta_z": 0.1592
      },
      {
        "ch": 380.0,
        "easting": 450598.776,
        "northing": 6510239.2726,
        "existing_z": 139.0057,
        "design_z": 139.1936,
        "delta_z": 0.1879
      },
      {
        "ch": 390.0,
        "easting": 450605.7863,
        "northing": 6510246.4039,
        "existing_z": 139.2735,
        "design_z": 139.5291,
        "delta_z": 0.2556
      },
      {
        "ch": 400.0,
        "easting": 450612.7966,
        "northing": 6510253.5352,
        "existing_z": 139.6351,
        "design_z": 139.8646,
        "delta_z": 0.2295
      },
      {
        "ch": 408.4608,
        "easting": 450618.7279,
        "northing": 6510259.5689,
        "existing_z": 140.0099,
        "design_z": 140.1485,
        "delta_z": 0.1386
      },
      {
        "ch": 410.0,
        "easting": 450619.8069,
        "northing": 6510260.6665,
        "existing_z": 140.0795,
        "design_z": 140.2,
        "delta_z": 0.1205
      },
      {
        "ch": 420.0,
        "easting": 450626.8172,
        "northing": 6510267.7978,
        "existing_z": 140.5425,
        "design_z": 140.5285,
        "delta_z": -0.014
      },
      {
        "ch": 428.4608,
        "easting": 450632.7485,
        "northing": 6510273.8315,
        "existing_z": 140.8988,
        "design_z": 140.7981,
        "delta_z": -0.1007
      },
      {
        "ch": 430.0,
        "easting": 450633.8275,
        "northing": 6510274.9291,
        "existing_z": 140.9514,
        "design_z": 140.8463,
        "delta_z": -0.1051
      },
      {
        "ch": 440.0,
        "easting": 450640.8378,
        "northing": 6510282.0604,
        "existing_z": 141.2619,
        "design_z": 141.1533,
        "delta_z": -0.1086
      },
      {
        "ch": 448.4608,
        "easting": 450646.7691,
        "northing": 6510288.0941,
        "existing_z": 141.4823,
        "design_z": 141.4047,
        "delta_z": -0.0777
      },
      {
        "ch": 450.0,
        "easting": 450647.8482,
        "northing": 6510289.1918,
        "existing_z": 141.5183,
        "design_z": 141.4497,
        "delta_z": -0.0686
      },
      {
        "ch": 460.0,
        "easting": 450654.8585,
        "northing": 6510296.3231,
        "existing_z": 141.7245,
        "design_z": 141.7422,
        "delta_z": 0.0177
      },
      {
        "ch": 470.0,
        "easting": 450661.8688,
        "northing": 6510303.4544,
        "existing_z": 141.914,
        "design_z": 142.0348,
        "delta_z": 0.1208
      },
      {
        "ch": 479.8709,
        "easting": 450668.7886,
        "northing": 6510310.4936,
        "existing_z": 142.1041,
        "design_z": 142.3236,
        "delta_z": 0.2195
      },
      {
        "ch": 480.0,
        "easting": 450668.8791,
        "northing": 6510310.5857,
        "existing_z": 142.1075,
        "design_z": 142.3274,
        "delta_z": 0.2199
      },
      {
        "ch": 490.0,
        "easting": 450675.8894,
        "northing": 6510317.717,
        "existing_z": 142.4249,
        "design_z": 142.6245,
        "delta_z": 0.1995
      },
      {
        "ch": 499.8709,
        "easting": 450682.8092,
        "northing": 6510324.7562,
        "existing_z": 142.7532,
        "design_z": 142.9264,
        "delta_z": 0.1731
      },
      {
        "ch": 500.0,
        "easting": 450682.8997,
        "northing": 6510324.8483,
        "existing_z": 142.7576,
        "design_z": 142.9304,
        "delta_z": 0.1728
      },
      {
        "ch": 510.0,
        "easting": 450689.91,
        "northing": 6510331.9796,
        "existing_z": 143.1125,
        "design_z": 143.2451,
        "delta_z": 0.1325
      },
      {
        "ch": 519.8709,
        "easting": 450696.8299,
        "northing": 6510339.0188,
        "existing_z": 143.5383,
        "design_z": 143.5644,
        "delta_z": 0.0261
      },
      {
        "ch": 520.0,
        "easting": 450696.9203,
        "northing": 6510339.1109,
        "existing_z": 143.5438,
        "design_z": 143.5686,
        "delta_z": 0.0249
      },
      {
        "ch": 530.0,
        "easting": 450703.9307,
        "northing": 6510346.2422,
        "existing_z": 143.9597,
        "design_z": 143.8965,
        "delta_z": -0.0632
      },
      {
        "ch": 540.0,
        "easting": 450710.941,
        "northing": 6510353.3735,
        "existing_z": 144.3901,
        "design_z": 144.2243,
        "delta_z": -0.1658
      },
      {
        "ch": 550.0,
        "easting": 450717.9513,
        "northing": 6510360.5048,
        "existing_z": 144.8124,
        "design_z": 144.5522,
        "delta_z": -0.2602
      },
      {
        "ch": 551.281,
        "easting": 450718.8493,
        "northing": 6510361.4184,
        "existing_z": 144.8632,
        "design_z": 144.5942,
        "delta_z": -0.269
      },
      {
        "ch": 560.0,
        "easting": 450724.9616,
        "northing": 6510367.6361,
        "existing_z": 145.1891,
        "design_z": 144.8666,
        "delta_z": -0.3225
      },
      {
        "ch": 570.0,
        "easting": 450731.9719,
        "northing": 6510374.7674,
        "existing_z": 145.5161,
        "design_z": 145.1458,
        "delta_z": -0.3703
      },
      {
        "ch": 571.281,
        "easting": 450732.87,
        "northing": 6510375.681,
        "existing_z": 145.5524,
        "design_z": 145.1791,
        "delta_z": -0.3734
      },
      {
        "ch": 580.0,
        "easting": 450738.9822,
        "northing": 6510381.8987,
        "existing_z": 145.7743,
        "design_z": 145.3897,
        "delta_z": -0.3846
      },
      {
        "ch": 590.0,
        "easting": 450745.9925,
        "northing": 6510389.03,
        "existing_z": 145.9754,
        "design_z": 145.5982,
        "delta_z": -0.3772
      },
      {
        "ch": 591.281,
        "easting": 450746.8906,
        "northing": 6510389.9436,
        "existing_z": 145.997,
        "design_z": 145.6224,
        "delta_z": -0.3747
      },
      {
        "ch": 600.0,
        "easting": 450753.0029,
        "northing": 6510396.1613,
        "existing_z": 146.1434,
        "design_z": 145.7847,
        "delta_z": -0.3586
      },
      {
        "ch": 610.0,
        "easting": 450760.0132,
        "northing": 6510403.2926,
        "existing_z": 146.2793,
        "design_z": 145.971,
        "delta_z": -0.3083
      },
      {
        "ch": 620.0,
        "easting": 450767.0235,
        "northing": 6510410.4239,
        "existing_z": 146.3809,
        "design_z": 146.1573,
        "delta_z": -0.2236
      },
      {
        "ch": 630.0,
        "easting": 450774.0338,
        "northing": 6510417.5552,
        "existing_z": 146.4877,
        "design_z": 146.3435,
        "delta_z": -0.1442
      },
      {
        "ch": 640.0,
        "easting": 450781.0441,
        "northing": 6510424.6866,
        "existing_z": 146.5659,
        "design_z": 146.5298,
        "delta_z": -0.0362
      },
      {
        "ch": 642.6912,
        "easting": 450782.9307,
        "northing": 6510426.6057,
        "existing_z": 146.5799,
        "design_z": 146.5799,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD114",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 8.697,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.35,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452816.15,
          6510206.1
        ],
        "end": [
          452810.0,
          6510199.949999999
        ],
        "chainage_start": 0,
        "length": 8.697413408874416
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 452816.15,
        "northing": 6510206.1,
        "existing_z": 162.8609,
        "design_z": 162.8609,
        "delta_z": 0.0
      },
      {
        "ch": 8.6974,
        "easting": 452810.0,
        "northing": 6510199.95,
        "existing_z": 162.8301,
        "design_z": 162.8301,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD115",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 19.926,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.17,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452812.2503284537,
          6510210.0
        ],
        "end": [
          452826.34,
          6510195.91
        ],
        "chainage_start": 0,
        "length": 19.9260368432481
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 452812.2503,
        "northing": 6510210.0,
        "existing_z": 163.2114,
        "design_z": 163.2114,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452819.3213,
        "northing": 6510202.9288,
        "existing_z": 162.5817,
        "design_z": 162.5945,
        "delta_z": 0.0128
      },
      {
        "ch": 19.926,
        "easting": 452826.34,
        "northing": 6510195.91,
        "existing_z": 161.9821,
        "design_z": 161.9821,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD116",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 10.05,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.77,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452810.0,
          6510199.949999999
        ],
        "end": [
          452810.0,
          6510210.0
        ],
        "chainage_start": 0,
        "length": 10.050000000745058
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 452810.0,
        "northing": 6510199.95,
        "existing_z": 162.8301,
        "design_z": 162.8301,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452810.0,
        "northing": 6510209.95,
        "existing_z": 163.3074,
        "design_z": 163.3074,
        "delta_z": -0.0
      },
      {
        "ch": 10.05,
        "easting": 452810.0,
        "northing": 6510210.0,
        "existing_z": 163.3098,
        "design_z": 163.3098,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD117",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 169.706,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 12.78,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450210.0,
          6510270.0
        ],
        "end": [
          450330.0,
          6510150.0
        ],
        "chainage_start": 0,
        "length": 169.7056274847714
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 56.568542494923804,
        "pvi_z": 158.23132312737988,
        "bvc": 36.568542494923804,
        "evc": 76.5685424949238,
        "length": 40.0,
        "g1": -0.12783537222557217,
        "g2": -0.11560725531171066,
        "z_bvc": 160.7880305718913,
        "K_m_per_percent": 32.711496203194564
      },
      {
        "pvi_ch": 113.13708498984761,
        "pvi_z": 151.69158919255787,
        "bvc": 93.13708498984761,
        "evc": 133.1370849898476,
        "length": 40.0,
        "g1": -0.11560725531171066,
        "g2": -0.09004211966904362,
        "z_bvc": 154.0037342987921,
        "K_m_per_percent": 15.646308534832032
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450210.0,
        "northing": 6510270.0,
        "existing_z": 165.4628,
        "design_z": 165.4628,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450217.0711,
        "northing": 6510262.9289,
        "existing_z": 164.5358,
        "design_z": 164.1844,
        "delta_z": -0.3513
      },
      {
        "ch": 20.0,
        "easting": 450224.1421,
        "northing": 6510255.8579,
        "existing_z": 163.3238,
        "design_z": 162.9061,
        "delta_z": -0.4178
      },
      {
        "ch": 30.0,
        "easting": 450231.2132,
        "northing": 6510248.7868,
        "existing_z": 161.9073,
        "design_z": 161.6277,
        "delta_z": -0.2796
      },
      {
        "ch": 36.5685,
        "easting": 450235.8579,
        "northing": 6510244.1421,
        "existing_z": 161.1043,
        "design_z": 160.788,
        "delta_z": -0.3162
      },
      {
        "ch": 40.0,
        "easting": 450238.2843,
        "northing": 6510241.7157,
        "existing_z": 160.6532,
        "design_z": 160.3512,
        "delta_z": -0.302
      },
      {
        "ch": 50.0,
        "easting": 450245.3553,
        "northing": 6510234.6447,
        "existing_z": 159.2151,
        "design_z": 159.0986,
        "delta_z": -0.1165
      },
      {
        "ch": 56.5685,
        "easting": 450250.0,
        "northing": 6510230.0,
        "existing_z": 158.1703,
        "design_z": 158.2925,
        "delta_z": 0.1221
      },
      {
        "ch": 60.0,
        "easting": 450252.4264,
        "northing": 6510227.5736,
        "existing_z": 157.766,
        "design_z": 157.8766,
        "delta_z": 0.1106
      },
      {
        "ch": 70.0,
        "easting": 450259.4975,
        "northing": 6510220.5025,
        "existing_z": 156.5124,
        "design_z": 156.6851,
        "delta_z": 0.1728
      },
      {
        "ch": 76.5685,
        "easting": 450264.1421,
        "northing": 6510215.8579,
        "existing_z": 155.6279,
        "design_z": 155.9192,
        "delta_z": 0.2912
      },
      {
        "ch": 80.0,
        "easting": 450266.5685,
        "northing": 6510213.4315,
        "existing_z": 155.1467,
        "design_z": 155.5225,
        "delta_z": 0.3758
      },
      {
        "ch": 90.0,
        "easting": 450273.6396,
        "northing": 6510206.3604,
        "existing_z": 153.907,
        "design_z": 154.3664,
        "delta_z": 0.4594
      },
      {
        "ch": 93.1371,
        "easting": 450275.8579,
        "northing": 6510204.1421,
        "existing_z": 153.5727,
        "design_z": 154.0037,
        "delta_z": 0.431
      },
      {
        "ch": 100.0,
        "easting": 450280.7107,
        "northing": 6510199.2893,
        "existing_z": 152.8224,
        "design_z": 153.2254,
        "delta_z": 0.403
      },
      {
        "ch": 110.0,
        "easting": 450287.7817,
        "northing": 6510192.2183,
        "existing_z": 151.6819,
        "design_z": 152.1451,
        "delta_z": 0.4632
      },
      {
        "ch": 113.1371,
        "easting": 450290.0,
        "northing": 6510190.0,
        "existing_z": 151.3126,
        "design_z": 151.8194,
        "delta_z": 0.5068
      },
      {
        "ch": 120.0,
        "easting": 450294.8528,
        "northing": 6510185.1472,
        "existing_z": 150.7088,
        "design_z": 151.1288,
        "delta_z": 0.42
      },
      {
        "ch": 130.0,
        "easting": 450301.9239,
        "northing": 6510178.0761,
        "existing_z": 149.816,
        "design_z": 150.1764,
        "delta_z": 0.3604
      },
      {
        "ch": 133.1371,
        "easting": 450304.1421,
        "northing": 6510175.8579,
        "existing_z": 149.5328,
        "design_z": 149.8907,
        "delta_z": 0.358
      },
      {
        "ch": 140.0,
        "easting": 450308.9949,
        "northing": 6510171.0051,
        "existing_z": 148.9079,
        "design_z": 149.2728,
        "delta_z": 0.3649
      },
      {
        "ch": 150.0,
        "easting": 450316.066,
        "northing": 6510163.934,
        "existing_z": 148.1129,
        "design_z": 148.3724,
        "delta_z": 0.2594
      },
      {
        "ch": 160.0,
        "easting": 450323.1371,
        "northing": 6510156.8629,
        "existing_z": 147.3421,
        "design_z": 147.472,
        "delta_z": 0.1299
      },
      {
        "ch": 169.7056,
        "easting": 450330.0,
        "northing": 6510150.0,
        "existing_z": 146.598,
        "design_z": 146.598,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD118",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 2.25,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.37,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452812.2503284537,
          6510210.0
        ],
        "end": [
          452810.0,
          6510210.0
        ],
        "chainage_start": 0,
        "length": 2.2503284537233412
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 452812.2503,
        "northing": 6510210.0,
        "existing_z": 163.2114,
        "design_z": 163.2114,
        "delta_z": 0.0
      },
      {
        "ch": 2.2503,
        "easting": 452810.0,
        "northing": 6510210.0,
        "existing_z": 163.3098,
        "design_z": 163.3098,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD119",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 176.015,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 12.83,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450330.0,
          6510150.0
        ],
        "end": [
          450205.95452379814,
          6510274.875476202
        ],
        "chainage_start": 0,
        "length": 176.01467189647119
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 58.67155729882373,
        "pvi_z": 151.97064229696144,
        "bvc": 38.67155729882373,
        "evc": 78.67155729882373,
        "length": 40.0,
        "g1": 0.09157085348649155,
        "g2": 0.1180739078900345,
        "z_bvc": 150.1392252272316,
        "K_m_per_percent": 15.092600041847543
      },
      {
        "pvi_ch": 117.34311459764746,
        "pvi_z": 158.89822234922764,
        "bvc": 97.34311459764746,
        "evc": 137.34311459764746,
        "length": 40.0,
        "g1": 0.1180739078900345,
        "g2": 0.12834808079825583,
        "z_bvc": 156.53674419142695,
        "K_m_per_percent": 38.93257428828383
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450330.0,
        "northing": 6510150.0,
        "existing_z": 146.598,
        "design_z": 146.598,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450322.9525,
        "northing": 6510157.0946,
        "existing_z": 147.3637,
        "design_z": 147.5137,
        "delta_z": 0.15
      },
      {
        "ch": 20.0,
        "easting": 450315.9051,
        "northing": 6510164.1892,
        "existing_z": 148.1336,
        "design_z": 148.4295,
        "delta_z": 0.2958
      },
      {
        "ch": 30.0,
        "easting": 450308.8576,
        "northing": 6510171.2838,
        "existing_z": 148.9306,
        "design_z": 149.3452,
        "delta_z": 0.4145
      },
      {
        "ch": 38.6716,
        "easting": 450302.7464,
        "northing": 6510177.4359,
        "existing_z": 149.7173,
        "design_z": 150.1392,
        "delta_z": 0.4219
      },
      {
        "ch": 40.0,
        "easting": 450301.8102,
        "northing": 6510178.3784,
        "existing_z": 149.8368,
        "design_z": 150.2615,
        "delta_z": 0.4246
      },
      {
        "ch": 50.0,
        "easting": 450294.7627,
        "northing": 6510185.473,
        "existing_z": 150.7278,
        "design_z": 151.2191,
        "delta_z": 0.4913
      },
      {
        "ch": 58.6716,
        "easting": 450288.6515,
        "northing": 6510191.6252,
        "existing_z": 151.5548,
        "design_z": 152.1032,
        "delta_z": 0.5483
      },
      {
        "ch": 60.0,
        "easting": 450287.7153,
        "northing": 6510192.5676,
        "existing_z": 151.7102,
        "design_z": 152.243,
        "delta_z": 0.5328
      },
      {
        "ch": 70.0,
        "easting": 450280.6678,
        "northing": 6510199.6622,
        "existing_z": 152.848,
        "design_z": 153.3331,
        "delta_z": 0.4852
      },
      {
        "ch": 78.6716,
        "easting": 450274.5566,
        "northing": 6510205.8144,
        "existing_z": 153.7894,
        "design_z": 154.3321,
        "delta_z": 0.5427
      },
      {
        "ch": 80.0,
        "easting": 450273.6204,
        "northing": 6510206.7568,
        "existing_z": 153.9299,
        "design_z": 154.489,
        "delta_z": 0.559
      },
      {
        "ch": 90.0,
        "easting": 450266.5729,
        "northing": 6510213.8515,
        "existing_z": 155.1908,
        "design_z": 155.6697,
        "delta_z": 0.4789
      },
      {
        "ch": 97.3431,
        "easting": 450261.3979,
        "northing": 6510219.0611,
        "existing_z": 156.2024,
        "design_z": 156.5367,
        "delta_z": 0.3343
      },
      {
        "ch": 100.0,
        "easting": 450259.5255,
        "northing": 6510220.9461,
        "existing_z": 156.5535,
        "design_z": 156.8514,
        "delta_z": 0.2978
      },
      {
        "ch": 110.0,
        "easting": 450252.478,
        "northing": 6510228.0407,
        "existing_z": 157.8041,
        "design_z": 158.0518,
        "delta_z": 0.2476
      },
      {
        "ch": 117.3431,
        "easting": 450247.303,
        "northing": 6510233.2503,
        "existing_z": 158.87,
        "design_z": 158.9496,
        "delta_z": 0.0796
      },
      {
        "ch": 120.0,
        "easting": 450245.4306,
        "northing": 6510235.1353,
        "existing_z": 159.2821,
        "design_z": 159.2779,
        "delta_z": -0.0042
      },
      {
        "ch": 130.0,
        "easting": 450238.3831,
        "northing": 6510242.2299,
        "existing_z": 160.7167,
        "design_z": 160.5296,
        "delta_z": -0.187
      },
      {
        "ch": 137.3431,
        "easting": 450233.2081,
        "northing": 6510247.4395,
        "existing_z": 161.653,
        "design_z": 161.4652,
        "delta_z": -0.1878
      },
      {
        "ch": 140.0,
        "easting": 450231.3357,
        "northing": 6510249.3245,
        "existing_z": 161.9673,
        "design_z": 161.8062,
        "delta_z": -0.1611
      },
      {
        "ch": 150.0,
        "easting": 450224.2882,
        "northing": 6510256.4191,
        "existing_z": 163.3839,
        "design_z": 163.0897,
        "delta_z": -0.2942
      },
      {
        "ch": 160.0,
        "easting": 450217.2408,
        "northing": 6510263.5137,
        "existing_z": 164.5888,
        "design_z": 164.3732,
        "delta_z": -0.2157
      },
      {
        "ch": 170.0,
        "easting": 450210.1933,
        "northing": 6510270.6083,
        "existing_z": 165.5208,
        "design_z": 165.6566,
        "delta_z": 0.1358
      },
      {
        "ch": 176.0147,
        "easting": 450205.9545,
        "northing": 6510274.8755,
        "existing_z": 166.4286,
        "design_z": 166.4286,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD120",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 176.098,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 12.83,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450205.95452379814,
          6510274.875476202
        ],
        "end": [
          450330.47428571427,
          6510150.355714286
        ],
        "chainage_start": 0,
        "length": 176.09753608534723
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 58.69917869511574,
        "pvi_z": 158.8994695789861,
        "bvc": 38.69917869511574,
        "evc": 78.69917869511573,
        "length": 40.0,
        "g1": -0.12826643769748264,
        "g2": -0.11829006775420432,
        "z_bvc": 161.46479833293574,
        "K_m_per_percent": 40.094744107750756
      },
      {
        "pvi_ch": 117.39835739023148,
        "pvi_z": 151.9559397540247,
        "bvc": 97.39835739023148,
        "evc": 137.39835739023147,
        "length": 40.0,
        "g1": -0.11829006775420432,
        "g2": -0.09164018004015094,
        "z_bvc": 154.32174110910879,
        "K_m_per_percent": 15.009444103175959
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450205.9545,
        "northing": 6510274.8755,
        "existing_z": 166.4286,
        "design_z": 166.4286,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450213.0256,
        "northing": 6510267.8044,
        "existing_z": 165.1777,
        "design_z": 165.1459,
        "delta_z": -0.0318
      },
      {
        "ch": 20.0,
        "easting": 450220.0967,
        "northing": 6510260.7333,
        "existing_z": 164.1455,
        "design_z": 163.8633,
        "delta_z": -0.2822
      },
      {
        "ch": 30.0,
        "easting": 450227.1677,
        "northing": 6510253.6623,
        "existing_z": 162.8284,
        "design_z": 162.5806,
        "delta_z": -0.2478
      },
      {
        "ch": 38.6992,
        "easting": 450233.319,
        "northing": 6510247.511,
        "existing_z": 161.6568,
        "design_z": 161.4648,
        "delta_z": -0.192
      },
      {
        "ch": 40.0,
        "easting": 450234.2388,
        "northing": 6510246.5912,
        "existing_z": 161.4984,
        "design_z": 161.2982,
        "delta_z": -0.2002
      },
      {
        "ch": 50.0,
        "easting": 450241.3099,
        "northing": 6510239.5201,
        "existing_z": 160.1763,
        "design_z": 160.0312,
        "delta_z": -0.1451
      },
      {
        "ch": 58.6992,
        "easting": 450247.4611,
        "northing": 6510233.3689,
        "existing_z": 158.8766,
        "design_z": 158.9494,
        "delta_z": 0.0728
      },
      {
        "ch": 60.0,
        "easting": 450248.3809,
        "northing": 6510232.4491,
        "existing_z": 158.6703,
        "design_z": 158.7892,
        "delta_z": 0.1189
      },
      {
        "ch": 70.0,
        "easting": 450255.452,
        "northing": 6510225.378,
        "existing_z": 157.3211,
        "design_z": 157.5721,
        "delta_z": 0.251
      },
      {
        "ch": 78.6992,
        "easting": 450261.6032,
        "northing": 6510219.2268,
        "existing_z": 156.2009,
        "design_z": 156.5337,
        "delta_z": 0.3328
      },
      {
        "ch": 80.0,
        "easting": 450262.5231,
        "northing": 6510218.3069,
        "existing_z": 156.0261,
        "design_z": 156.3798,
        "delta_z": 0.3537
      },
      {
        "ch": 90.0,
        "easting": 450269.5941,
        "northing": 6510211.2359,
        "existing_z": 154.619,
        "design_z": 155.1969,
        "delta_z": 0.5779
      },
      {
        "ch": 97.3984,
        "easting": 450274.8256,
        "northing": 6510206.0044,
        "existing_z": 153.7737,
        "design_z": 154.3217,
        "delta_z": 0.5481
      },
      {
        "ch": 100.0,
        "easting": 450276.6652,
        "northing": 6510204.1648,
        "existing_z": 153.4953,
        "design_z": 154.0162,
        "delta_z": 0.521
      },
      {
        "ch": 110.0,
        "easting": 450283.7363,
        "northing": 6510197.0937,
        "existing_z": 152.39,
        "design_z": 152.884,
        "delta_z": 0.4939
      },
      {
        "ch": 117.3984,
        "easting": 450288.9677,
        "northing": 6510191.8623,
        "existing_z": 151.5364,
        "design_z": 152.0892,
        "delta_z": 0.5528
      },
      {
        "ch": 120.0,
        "easting": 450290.8073,
        "northing": 6510190.0227,
        "existing_z": 151.2399,
        "design_z": 151.8184,
        "delta_z": 0.5784
      },
      {
        "ch": 130.0,
        "easting": 450297.8784,
        "northing": 6510182.9516,
        "existing_z": 150.3561,
        "design_z": 150.8194,
        "delta_z": 0.4632
      },
      {
        "ch": 137.3984,
        "easting": 450303.1098,
        "northing": 6510177.7202,
        "existing_z": 149.6929,
        "design_z": 150.1231,
        "delta_z": 0.4302
      },
      {
        "ch": 140.0,
        "easting": 450304.9495,
        "northing": 6510175.8805,
        "existing_z": 149.4577,
        "design_z": 149.8847,
        "delta_z": 0.427
      },
      {
        "ch": 150.0,
        "easting": 450312.0205,
        "northing": 6510168.8095,
        "existing_z": 148.5834,
        "design_z": 148.9683,
        "delta_z": 0.3849
      },
      {
        "ch": 160.0,
        "easting": 450319.0916,
        "northing": 6510161.7384,
        "existing_z": 147.8098,
        "design_z": 148.0519,
        "delta_z": 0.2421
      },
      {
        "ch": 170.0,
        "easting": 450326.1627,
        "northing": 6510154.6673,
        "existing_z": 147.0406,
        "design_z": 147.1355,
        "delta_z": 0.0949
      },
      {
        "ch": 176.0975,
        "easting": 450330.4743,
        "northing": 6510150.3557,
        "existing_z": 146.5767,
        "design_z": 146.5767,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD121",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 110.594,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 1.87,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450895.06,
          6510255.89
        ],
        "end": [
          450961.93150535144,
          6510189.018494648
        ],
        "chainage_start": 0,
        "length": 94.57058980452588
      },
      {
        "type": "ARC",
        "centre": [
          450965.76999999996,
          6510192.856989296
        ],
        "radius": 5.428451191026079,
        "start_angle_rad": -2.3561944902302554,
        "sweep_rad": 1.5707963268104075,
        "start": [
          450961.93150535144,
          6510189.018494648
        ],
        "end": [
          450969.60849464854,
          6510189.018494648
        ],
        "chainage_start": 94.57058980452588,
        "length": 8.526991191133346,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450969.60849464836,
          6510189.018494648
        ],
        "end": [
          450974.90927297267,
          6510194.319272973
        ],
        "chainage_start": 103.09758099565923,
        "length": 7.496432597658296
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 55.29700679665876,
        "pvi_z": 139.44090808469434,
        "bvc": 35.29700679665876,
        "evc": 75.29700679665876,
        "length": 40.0,
        "g1": -0.018716800212944706,
        "g2": -0.013440975818308252,
        "z_bvc": 139.81524408895325,
        "K_m_per_percent": 75.81753486841808
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450895.06,
        "northing": 6510255.89,
        "existing_z": 140.4759,
        "design_z": 140.4759,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450902.1311,
        "northing": 6510248.8189,
        "existing_z": 140.3524,
        "design_z": 140.2887,
        "delta_z": -0.0637
      },
      {
        "ch": 20.0,
        "easting": 450909.2021,
        "northing": 6510241.7479,
        "existing_z": 140.214,
        "design_z": 140.1016,
        "delta_z": -0.1125
      },
      {
        "ch": 30.0,
        "easting": 450916.2732,
        "northing": 6510234.6768,
        "existing_z": 139.9864,
        "design_z": 139.9144,
        "delta_z": -0.072
      },
      {
        "ch": 35.297,
        "easting": 450920.0188,
        "northing": 6510230.9312,
        "existing_z": 139.8578,
        "design_z": 139.8152,
        "delta_z": -0.0425
      },
      {
        "ch": 40.0,
        "easting": 450923.3443,
        "northing": 6510227.6057,
        "existing_z": 139.7471,
        "design_z": 139.7287,
        "delta_z": -0.0184
      },
      {
        "ch": 50.0,
        "easting": 450930.4153,
        "northing": 6510220.5347,
        "existing_z": 139.5096,
        "design_z": 139.5543,
        "delta_z": 0.0447
      },
      {
        "ch": 55.297,
        "easting": 450934.1609,
        "northing": 6510216.7891,
        "existing_z": 139.367,
        "design_z": 139.4673,
        "delta_z": 0.1003
      },
      {
        "ch": 60.0,
        "easting": 450937.4864,
        "northing": 6510213.4636,
        "existing_z": 139.2435,
        "design_z": 139.3931,
        "delta_z": 0.1497
      },
      {
        "ch": 70.0,
        "easting": 450944.5575,
        "northing": 6510206.3925,
        "existing_z": 138.9918,
        "design_z": 139.2451,
        "delta_z": 0.2533
      },
      {
        "ch": 75.297,
        "easting": 450948.303,
        "northing": 6510202.647,
        "existing_z": 138.8648,
        "design_z": 139.1721,
        "delta_z": 0.3073
      },
      {
        "ch": 80.0,
        "easting": 450951.6285,
        "northing": 6510199.3215,
        "existing_z": 138.7574,
        "design_z": 139.1089,
        "delta_z": 0.3515
      },
      {
        "ch": 90.0,
        "easting": 450958.6996,
        "northing": 6510192.2504,
        "existing_z": 138.5567,
        "design_z": 138.9745,
        "delta_z": 0.4178
      },
      {
        "ch": 100.0,
        "easting": 450966.927,
        "northing": 6510187.5533,
        "existing_z": 138.4659,
        "design_z": 138.8401,
        "delta_z": 0.3741
      },
      {
        "ch": 110.0,
        "easting": 450974.4892,
        "northing": 6510193.8992,
        "existing_z": 138.6837,
        "design_z": 138.7056,
        "delta_z": 0.022
      },
      {
        "ch": 110.594,
        "easting": 450974.9093,
        "northing": 6510194.3193,
        "existing_z": 138.6977,
        "design_z": 138.6977,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD122",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 123.377,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.99,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450974.90927297267,
          6510194.319272973
        ],
        "end": [
          451062.15,
          6510281.56
        ],
        "chainage_start": 0,
        "length": 123.37701935308536
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 61.68850967654268,
        "pvi_z": 140.38757333231672,
        "bvc": 41.68850967654268,
        "evc": 81.68850967654268,
        "length": 40.0,
        "g1": 0.027394258471504142,
        "g2": 0.03994268040178139,
        "z_bvc": 139.83968816288663,
        "K_m_per_percent": 31.876518196671952
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450974.9093,
        "northing": 6510194.3193,
        "existing_z": 138.6977,
        "design_z": 138.6977,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450981.9803,
        "northing": 6510201.3903,
        "existing_z": 138.9186,
        "design_z": 138.9716,
        "delta_z": 0.053
      },
      {
        "ch": 20.0,
        "easting": 450989.0514,
        "northing": 6510208.4614,
        "existing_z": 139.1116,
        "design_z": 139.2455,
        "delta_z": 0.134
      },
      {
        "ch": 30.0,
        "easting": 450996.1225,
        "northing": 6510215.5325,
        "existing_z": 139.3477,
        "design_z": 139.5195,
        "delta_z": 0.1718
      },
      {
        "ch": 40.0,
        "easting": 451003.1935,
        "northing": 6510222.6035,
        "existing_z": 139.5809,
        "design_z": 139.7934,
        "delta_z": 0.2126
      },
      {
        "ch": 41.6885,
        "easting": 451004.3875,
        "northing": 6510223.7975,
        "existing_z": 139.6187,
        "design_z": 139.8397,
        "delta_z": 0.221
      },
      {
        "ch": 50.0,
        "easting": 451010.2646,
        "northing": 6510229.6746,
        "existing_z": 139.7998,
        "design_z": 140.0782,
        "delta_z": 0.2785
      },
      {
        "ch": 60.0,
        "easting": 451017.3357,
        "northing": 6510236.7457,
        "existing_z": 140.1335,
        "design_z": 140.3939,
        "delta_z": 0.2604
      },
      {
        "ch": 61.6885,
        "easting": 451018.5296,
        "northing": 6510237.9396,
        "existing_z": 140.1916,
        "design_z": 140.4503,
        "delta_z": 0.2588
      },
      {
        "ch": 70.0,
        "easting": 451024.4067,
        "northing": 6510243.8167,
        "existing_z": 140.4819,
        "design_z": 140.741,
        "delta_z": 0.2591
      },
      {
        "ch": 80.0,
        "easting": 451031.4778,
        "northing": 6510250.8878,
        "existing_z": 140.8527,
        "design_z": 141.1194,
        "delta_z": 0.2667
      },
      {
        "ch": 81.6885,
        "easting": 451032.6718,
        "northing": 6510252.0818,
        "existing_z": 140.9298,
        "design_z": 141.1864,
        "delta_z": 0.2566
      },
      {
        "ch": 90.0,
        "easting": 451038.5489,
        "northing": 6510257.9589,
        "existing_z": 141.3073,
        "design_z": 141.5184,
        "delta_z": 0.2111
      },
      {
        "ch": 100.0,
        "easting": 451045.62,
        "northing": 6510265.03,
        "existing_z": 141.7571,
        "design_z": 141.9178,
        "delta_z": 0.1608
      },
      {
        "ch": 110.0,
        "easting": 451052.691,
        "northing": 6510272.101,
        "existing_z": 142.2084,
        "design_z": 142.3173,
        "delta_z": 0.1089
      },
      {
        "ch": 120.0,
        "easting": 451059.7621,
        "northing": 6510279.1721,
        "existing_z": 142.6869,
        "design_z": 142.7167,
        "delta_z": 0.0298
      },
      {
        "ch": 123.377,
        "easting": 451062.15,
        "northing": 6510281.56,
        "existing_z": 142.8516,
        "design_z": 142.8516,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD123",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 124.239,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.14,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451262.15,
          6510198.72
        ],
        "end": [
          451350.0,
          6510286.57
        ],
        "chainage_start": 0,
        "length": 124.23866145485506
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 62.11933072742753,
        "pvi_z": 154.40238209977386,
        "bvc": 42.11933072742753,
        "evc": 82.11933072742752,
        "length": 40.0,
        "g1": -0.0013771590433431825,
        "g2": -0.0002116193047254281,
        "z_bvc": 154.42992528064073,
        "K_m_per_percent": 343.1886419199838
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451262.15,
        "northing": 6510198.72,
        "existing_z": 154.4879,
        "design_z": 154.4879,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451269.2211,
        "northing": 6510205.7911,
        "existing_z": 154.5307,
        "design_z": 154.4742,
        "delta_z": -0.0566
      },
      {
        "ch": 20.0,
        "easting": 451276.2921,
        "northing": 6510212.8621,
        "existing_z": 154.5493,
        "design_z": 154.4604,
        "delta_z": -0.0889
      },
      {
        "ch": 30.0,
        "easting": 451283.3632,
        "northing": 6510219.9332,
        "existing_z": 154.5312,
        "design_z": 154.4466,
        "delta_z": -0.0845
      },
      {
        "ch": 40.0,
        "easting": 451290.4343,
        "northing": 6510227.0043,
        "existing_z": 154.4949,
        "design_z": 154.4328,
        "delta_z": -0.0621
      },
      {
        "ch": 42.1193,
        "easting": 451291.9329,
        "northing": 6510228.5029,
        "existing_z": 154.4836,
        "design_z": 154.4299,
        "delta_z": -0.0537
      },
      {
        "ch": 50.0,
        "easting": 451297.5053,
        "northing": 6510234.0753,
        "existing_z": 154.4441,
        "design_z": 154.42,
        "delta_z": -0.0241
      },
      {
        "ch": 60.0,
        "easting": 451304.5764,
        "northing": 6510241.1464,
        "existing_z": 154.3947,
        "design_z": 154.41,
        "delta_z": 0.0153
      },
      {
        "ch": 62.1193,
        "easting": 451306.075,
        "northing": 6510242.645,
        "existing_z": 154.384,
        "design_z": 154.4082,
        "delta_z": 0.0242
      },
      {
        "ch": 70.0,
        "easting": 451311.6475,
        "northing": 6510248.2175,
        "existing_z": 154.3377,
        "design_z": 154.4029,
        "delta_z": 0.0651
      },
      {
        "ch": 80.0,
        "easting": 451318.7185,
        "northing": 6510255.2885,
        "existing_z": 154.2924,
        "design_z": 154.3987,
        "delta_z": 0.1063
      },
      {
        "ch": 82.1193,
        "easting": 451320.2171,
        "northing": 6510256.7871,
        "existing_z": 154.287,
        "design_z": 154.3981,
        "delta_z": 0.1112
      },
      {
        "ch": 90.0,
        "easting": 451325.7896,
        "northing": 6510262.3596,
        "existing_z": 154.2751,
        "design_z": 154.3965,
        "delta_z": 0.1213
      },
      {
        "ch": 100.0,
        "easting": 451332.8607,
        "northing": 6510269.4307,
        "existing_z": 154.2751,
        "design_z": 154.3944,
        "delta_z": 0.1193
      },
      {
        "ch": 110.0,
        "easting": 451339.9317,
        "northing": 6510276.5017,
        "existing_z": 154.3087,
        "design_z": 154.3922,
        "delta_z": 0.0835
      },
      {
        "ch": 120.0,
        "easting": 451347.0028,
        "northing": 6510283.5728,
        "existing_z": 154.3615,
        "design_z": 154.3901,
        "delta_z": 0.0286
      },
      {
        "ch": 124.2387,
        "easting": 451350.0,
        "northing": 6510286.57,
        "existing_z": 154.3892,
        "design_z": 154.3892,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD124",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 99.999,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.96,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450479.29000000004,
          6510284.39
        ],
        "end": [
          450550.0,
          6510213.68
        ],
        "chainage_start": 0,
        "length": 99.99904099534886
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 49.99952049767443,
        "pvi_z": 141.75116299975386,
        "bvc": 29.999520497674432,
        "evc": 69.99952049767444,
        "length": 40.0,
        "g1": -0.06964201969153705,
        "g2": -0.05687988457737834,
        "z_bvc": 143.1440033935846,
        "K_m_per_percent": 31.342717846344343
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450479.29,
        "northing": 6510284.39,
        "existing_z": 145.2332,
        "design_z": 145.2332,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450486.3611,
        "northing": 6510277.3189,
        "existing_z": 144.3087,
        "design_z": 144.5368,
        "delta_z": 0.2281
      },
      {
        "ch": 20.0,
        "easting": 450493.4321,
        "northing": 6510270.2479,
        "existing_z": 143.4959,
        "design_z": 143.8404,
        "delta_z": 0.3445
      },
      {
        "ch": 29.9995,
        "easting": 450500.5029,
        "northing": 6510263.1771,
        "existing_z": 142.8288,
        "design_z": 143.144,
        "delta_z": 0.3152
      },
      {
        "ch": 30.0,
        "easting": 450500.5032,
        "northing": 6510263.1768,
        "existing_z": 142.8288,
        "design_z": 143.144,
        "delta_z": 0.3152
      },
      {
        "ch": 40.0,
        "easting": 450507.5743,
        "northing": 6510256.1057,
        "existing_z": 142.1842,
        "design_z": 142.4635,
        "delta_z": 0.2793
      },
      {
        "ch": 49.9995,
        "easting": 450514.645,
        "northing": 6510249.035,
        "existing_z": 141.5896,
        "design_z": 141.815,
        "delta_z": 0.2254
      },
      {
        "ch": 50.0,
        "easting": 450514.6453,
        "northing": 6510249.0347,
        "existing_z": 141.5896,
        "design_z": 141.8149,
        "delta_z": 0.2254
      },
      {
        "ch": 60.0,
        "easting": 450521.7164,
        "northing": 6510241.9636,
        "existing_z": 141.0213,
        "design_z": 141.1983,
        "delta_z": 0.177
      },
      {
        "ch": 69.9995,
        "easting": 450528.7871,
        "northing": 6510234.8929,
        "existing_z": 140.462,
        "design_z": 140.6136,
        "delta_z": 0.1515
      },
      {
        "ch": 70.0,
        "easting": 450528.7875,
        "northing": 6510234.8925,
        "existing_z": 140.462,
        "design_z": 140.6135,
        "delta_z": 0.1515
      },
      {
        "ch": 80.0,
        "easting": 450535.8585,
        "northing": 6510227.8215,
        "existing_z": 139.9356,
        "design_z": 140.0447,
        "delta_z": 0.1091
      },
      {
        "ch": 90.0,
        "easting": 450542.9296,
        "northing": 6510220.7504,
        "existing_z": 139.4158,
        "design_z": 139.4759,
        "delta_z": 0.0601
      },
      {
        "ch": 99.999,
        "easting": 450550.0,
        "northing": 6510213.68,
        "existing_z": 138.9072,
        "design_z": 138.9072,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD125",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 838.532,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 14.07,
    "radius_review_count": 5,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450726.65,
          6509946.07
        ],
        "end": [
          450685.6382,
          6509987.081800001
        ],
        "chainage_start": 0,
        "length": 57.999443777672774
      },
      {
        "type": "ARC",
        "centre": [
          450715.3347855725,
          6510016.778385573
        ],
        "radius": 41.997314072809694,
        "start_angle_rad": -2.356194490195285,
        "sweep_rad": -1.5708506893951033,
        "start": [
          450685.6382,
          6509987.081800001
        ],
        "end": [
          450685.6398144275,
          6510046.476585485
        ],
        "chainage_start": 57.999443777672774,
        "length": 65.97150976401578,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450685.63981442753,
          6510046.476585485
        ],
        "end": [
          450731.27869514417,
          6510092.110504375
        ],
        "chainage_start": 123.97095354168854,
        "length": 64.53961563495776
      },
      {
        "type": "ARC",
        "centre": [
          450713.92555101385,
          6510109.4655353315
        ],
        "radius": 24.542386003118505,
        "start_angle_rad": -0.7854525259892935,
        "sweep_rad": 1.5288140806537283,
        "start": [
          450731.27869514417,
          6510092.110504375
        ],
        "end": [
          450731.9936,
          6510126.075
        ],
        "chainage_start": 188.5105691766463,
        "length": 37.520745294406545,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450731.9935999999,
          6510126.074999999
        ],
        "end": [
          450715.68483859696,
          6510143.815939026
        ],
        "chainage_start": 226.03131447105284,
        "length": 24.098062495724847
      },
      {
        "type": "ARC",
        "centre": [
          450731.5496201151,
          6510158.399999999
        ],
        "radius": 21.549620115041012,
        "start_angle_rad": -2.3982310989419102,
        "sweep_rad": -0.743361554656485,
        "start": [
          450715.68483859696,
          6510143.815939026
        ],
        "end": [
          450710.0,
          6510158.4
        ],
        "chainage_start": 250.12937696677767,
        "length": 16.019159110973547,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450710.00000000006,
          6510158.399999999
        ],
        "end": [
          450710.0,
          6510161.6
        ],
        "chainage_start": 266.1485360777512,
        "length": 3.2000000001862645
      },
      {
        "type": "ARC",
        "centre": [
          450689.72060607607,
          6510161.6
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 0.0,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450710.0,
          6510161.6
        ],
        "end": [
          450704.06030303804,
          6510175.939696962
        ],
        "chainage_start": 269.34853607793747,
        "length": 15.927398742671137,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450704.06030303804,
          6510175.939696962
        ],
        "end": [
          450693.42009613034,
          6510186.57990387
        ],
        "chainage_start": 285.2759348206086,
        "length": 15.047524915450424
      },
      {
        "type": "ARC",
        "centre": [
          450697.3503807116,
          6510190.510188451
        ],
        "radius": 5.558261758844015,
        "start_angle_rad": -2.3561944902071548,
        "sweep_rad": -1.4321990170531969,
        "start": [
          450693.42009613034,
          6510186.57990387
        ],
        "end": [
          450692.9148,
          6510193.8598
        ],
        "chainage_start": 300.323459736059,
        "length": 7.960537027540772,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450692.9148,
          6510193.859800001
        ],
        "end": [
          450695.05786041444,
          6510196.6976566585
        ],
        "chainage_start": 308.2839967635998,
        "length": 3.556140935066429
      },
      {
        "type": "ARC",
        "centre": [
          450730.9685714753,
          6510169.579013051
        ],
        "radius": 45.0,
        "start_angle_rad": 2.494791799939625,
        "sweep_rad": -0.13858556424429547,
        "start": [
          450695.05786041444,
          6510196.6976566585
        ],
        "end": [
          450699.1483925847,
          6510201.3984444635
        ],
        "chainage_start": 311.84013769866624,
        "length": 6.236350390993296,
        "target_radius": 45,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          450699.14839258447,
          6510201.3984444635
        ],
        "end": [
          451067.1613915154,
          6510569.420088487
        ],
        "chainage_start": 318.07648808965956,
        "length": 520.4550872570218
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 76.23014321333467,
        "pvi_z": 137.4416356620303,
        "bvc": 56.23014321333467,
        "evc": 96.23014321333467,
        "length": 40.0,
        "g1": -0.030305136232184834,
        "g2": -0.026809150892501323,
        "z_bvc": 138.047738386674,
        "K_m_per_percent": 114.41695577482363
      },
      {
        "pvi_ch": 152.46028642666934,
        "pvi_z": 135.39797025006703,
        "bvc": 132.46028642666934,
        "evc": 172.46028642666934,
        "length": 40.0,
        "g1": -0.026809150892501323,
        "g2": -0.008480745405911231,
        "z_bvc": 135.93415326791705,
        "K_m_per_percent": 21.8240479398308
      },
      {
        "pvi_ch": 228.69042964000403,
        "pvi_z": 134.7514818132186,
        "bvc": 208.69042964000403,
        "evc": 248.69042964000403,
        "length": 40.0,
        "g1": -0.008480745405911231,
        "g2": 0.022094082054332016,
        "z_bvc": 134.92109672133682,
        "K_m_per_percent": 13.082657637892611
      },
      {
        "pvi_ch": 304.9205728533387,
        "pvi_z": 136.4357168523875,
        "bvc": 284.9205728533387,
        "evc": 324.9205728533387,
        "length": 40.0,
        "g1": 0.022094082054332016,
        "g2": 0.025109803985813584,
        "z_bvc": 135.99383521130085,
        "K_m_per_percent": 132.63822364533704
      },
      {
        "pvi_ch": 381.15071606667334,
        "pvi_z": 138.34984080628482,
        "bvc": 361.15071606667334,
        "evc": 401.15071606667334,
        "length": 40.0,
        "g1": 0.025109803985813584,
        "g2": 0.020126876191130325,
        "z_bvc": 137.84764472656855,
        "K_m_per_percent": 80.2740911531563
      },
      {
        "pvi_ch": 457.38085928000805,
        "pvi_z": 139.88411546077174,
        "bvc": 437.38085928000805,
        "evc": 477.38085928000805,
        "length": 40.0,
        "g1": 0.020126876191130325,
        "g2": 0.02910098285854689,
        "z_bvc": 139.48157793694912,
        "K_m_per_percent": 44.572681696812346
      },
      {
        "pvi_ch": 533.6110024933427,
        "pvi_z": 142.10248755172756,
        "bvc": 513.6110024933427,
        "evc": 553.6110024933427,
        "length": 40.0,
        "g1": 0.02910098285854689,
        "g2": 0.043552958499136776,
        "z_bvc": 141.52046789455662,
        "K_m_per_percent": 27.677876710265007
      },
      {
        "pvi_ch": 609.8411457066774,
        "pvi_z": 145.42253581548118,
        "bvc": 589.8411457066774,
        "evc": 629.8411457066774,
        "length": 40.0,
        "g1": 0.043552958499136776,
        "g2": 0.06150754971608478,
        "z_bvc": 144.55147664549844,
        "K_m_per_percent": 22.27842422958787
      },
      {
        "pvi_ch": 686.0712889200121,
        "pvi_z": 150.11126513903963,
        "bvc": 666.0712889200121,
        "evc": 706.0712889200121,
        "length": 40.0,
        "g1": 0.06150754971608478,
        "g2": 0.0942432809215604,
        "z_bvc": 148.88111414471794,
        "K_m_per_percent": 12.219064162314883
      },
      {
        "pvi_ch": 762.3014321333467,
        "pvi_z": 157.2954439405847,
        "bvc": 742.3014321333467,
        "evc": 782.3014321333467,
        "length": 40.0,
        "g1": 0.0942432809215604,
        "g2": 0.14065698395827445,
        "z_bvc": 155.4105783221535,
        "K_m_per_percent": 8.618144509684845
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450726.65,
        "northing": 6509946.07,
        "existing_z": 139.7518,
        "design_z": 139.7518,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450719.5789,
        "northing": 6509953.1411,
        "existing_z": 139.4297,
        "design_z": 139.4487,
        "delta_z": 0.019
      },
      {
        "ch": 20.0,
        "easting": 450712.5079,
        "northing": 6509960.2121,
        "existing_z": 139.1268,
        "design_z": 139.1457,
        "delta_z": 0.0189
      },
      {
        "ch": 30.0,
        "easting": 450705.4368,
        "northing": 6509967.2832,
        "existing_z": 138.8296,
        "design_z": 138.8426,
        "delta_z": 0.013
      },
      {
        "ch": 40.0,
        "easting": 450698.3657,
        "northing": 6509974.3543,
        "existing_z": 138.5313,
        "design_z": 138.5396,
        "delta_z": 0.0083
      },
      {
        "ch": 50.0,
        "easting": 450691.2947,
        "northing": 6509981.4253,
        "existing_z": 138.2408,
        "design_z": 138.2365,
        "delta_z": -0.0043
      },
      {
        "ch": 56.2301,
        "easting": 450686.8893,
        "northing": 6509985.8307,
        "existing_z": 138.0566,
        "design_z": 138.0477,
        "delta_z": -0.0088
      },
      {
        "ch": 60.0,
        "easting": 450684.2578,
        "northing": 6509988.5296,
        "existing_z": 137.9446,
        "design_z": 137.9341,
        "delta_z": -0.0105
      },
      {
        "ch": 70.0,
        "easting": 450678.4717,
        "northing": 6509996.6566,
        "existing_z": 137.6303,
        "design_z": 137.6387,
        "delta_z": 0.0084
      },
      {
        "ch": 76.2301,
        "easting": 450675.9025,
        "northing": 6510002.3261,
        "existing_z": 137.4358,
        "design_z": 137.4591,
        "delta_z": 0.0234
      },
      {
        "ch": 80.0,
        "easting": 450674.7657,
        "northing": 6510005.9191,
        "existing_z": 137.3211,
        "design_z": 137.3521,
        "delta_z": 0.031
      },
      {
        "ch": 90.0,
        "easting": 450673.349,
        "northing": 6510015.7944,
        "existing_z": 137.0155,
        "design_z": 137.0742,
        "delta_z": 0.0587
      },
      {
        "ch": 96.2301,
        "easting": 450673.6647,
        "northing": 6510022.0108,
        "existing_z": 136.8313,
        "design_z": 136.9055,
        "delta_z": 0.0742
      },
      {
        "ch": 100.0,
        "easting": 450674.3015,
        "northing": 6510025.7252,
        "existing_z": 136.7258,
        "design_z": 136.8044,
        "delta_z": 0.0785
      },
      {
        "ch": 110.0,
        "easting": 450677.5695,
        "northing": 6510035.1512,
        "existing_z": 136.4274,
        "design_z": 136.5363,
        "delta_z": 0.1089
      },
      {
        "ch": 120.0,
        "easting": 450682.9686,
        "northing": 6510043.5404,
        "existing_z": 136.1528,
        "design_z": 136.2682,
        "delta_z": 0.1154
      },
      {
        "ch": 130.0,
        "easting": 450689.9032,
        "northing": 6510050.7395,
        "existing_z": 135.9295,
        "design_z": 136.0001,
        "delta_z": 0.0706
      },
      {
        "ch": 132.4603,
        "easting": 450691.643,
        "northing": 6510052.4791,
        "existing_z": 135.8466,
        "design_z": 135.9342,
        "delta_z": 0.0875
      },
      {
        "ch": 140.0,
        "easting": 450696.9747,
        "northing": 6510057.8102,
        "existing_z": 135.5914,
        "design_z": 135.745,
        "delta_z": 0.1537
      },
      {
        "ch": 150.0,
        "easting": 450704.0461,
        "northing": 6510064.8809,
        "existing_z": 135.2529,
        "design_z": 135.5344,
        "delta_z": 0.2815
      },
      {
        "ch": 152.4603,
        "easting": 450705.7859,
        "northing": 6510066.6205,
        "existing_z": 135.1696,
        "design_z": 135.4896,
        "delta_z": 0.32
      },
      {
        "ch": 160.0,
        "easting": 450711.1176,
        "northing": 6510071.9516,
        "existing_z": 134.9358,
        "design_z": 135.3696,
        "delta_z": 0.4338
      },
      {
        "ch": 170.0,
        "easting": 450718.189,
        "northing": 6510079.0223,
        "existing_z": 134.6589,
        "design_z": 135.2506,
        "delta_z": 0.5917
      },
      {
        "ch": 172.4603,
        "easting": 450719.9288,
        "northing": 6510080.7619,
        "existing_z": 134.5891,
        "design_z": 135.2284,
        "delta_z": 0.6393
      },
      {
        "ch": 180.0,
        "easting": 450725.2605,
        "northing": 6510086.093,
        "existing_z": 134.371,
        "design_z": 135.1644,
        "delta_z": 0.7934
      },
      {
        "ch": 190.0,
        "easting": 450732.2993,
        "northing": 6510093.1949,
        "existing_z": 134.1801,
        "design_z": 135.0796,
        "delta_z": 0.8995
      },
      {
        "ch": 200.0,
        "easting": 450737.2428,
        "northing": 6510101.8081,
        "existing_z": 134.1048,
        "design_z": 134.9948,
        "delta_z": 0.89
      },
      {
        "ch": 208.6904,
        "easting": 450738.4513,
        "northing": 6510110.3683,
        "existing_z": 134.034,
        "design_z": 134.9211,
        "delta_z": 0.8871
      },
      {
        "ch": 210.0,
        "easting": 450738.3683,
        "northing": 6510111.6751,
        "existing_z": 134.0484,
        "design_z": 134.9106,
        "delta_z": 0.8622
      },
      {
        "ch": 220.0,
        "easting": 450735.4916,
        "northing": 6510121.1803,
        "existing_z": 134.1443,
        "design_z": 134.8741,
        "delta_z": 0.7298
      },
      {
        "ch": 228.6904,
        "easting": 450730.194,
        "northing": 6510128.0326,
        "existing_z": 134.1918,
        "design_z": 134.9044,
        "delta_z": 0.7126
      },
      {
        "ch": 230.0,
        "easting": 450729.3077,
        "northing": 6510128.9967,
        "existing_z": 134.1986,
        "design_z": 134.9139,
        "delta_z": 0.7154
      },
      {
        "ch": 240.0,
        "easting": 450722.5401,
        "northing": 6510136.3587,
        "existing_z": 134.4192,
        "design_z": 135.0302,
        "delta_z": 0.6111
      },
      {
        "ch": 248.6904,
        "easting": 450716.6587,
        "northing": 6510142.7566,
        "existing_z": 134.6237,
        "design_z": 135.1934,
        "delta_z": 0.5696
      },
      {
        "ch": 250.0,
        "easting": 450715.7724,
        "northing": 6510143.7207,
        "existing_z": 134.6537,
        "design_z": 135.2223,
        "delta_z": 0.5686
      },
      {
        "ch": 260.0,
        "easting": 450710.8712,
        "northing": 6510152.3345,
        "existing_z": 134.95,
        "design_z": 135.4432,
        "delta_z": 0.4932
      },
      {
        "ch": 270.0,
        "easting": 450709.9895,
        "northing": 6510162.2514,
        "existing_z": 135.3805,
        "design_z": 135.6642,
        "delta_z": 0.2837
      },
      {
        "ch": 280.0,
        "easting": 450707.2665,
        "northing": 6510171.7684,
        "existing_z": 135.7778,
        "design_z": 135.8851,
        "delta_z": 0.1073
      },
      {
        "ch": 284.9206,
        "easting": 450704.3094,
        "northing": 6510175.6862,
        "existing_z": 135.9191,
        "design_z": 135.9938,
        "delta_z": 0.0747
      },
      {
        "ch": 290.0,
        "easting": 450700.7199,
        "northing": 6510179.2801,
        "existing_z": 136.0482,
        "design_z": 136.107,
        "delta_z": 0.0589
      },
      {
        "ch": 300.0,
        "easting": 450693.6488,
        "northing": 6510186.3512,
        "existing_z": 136.3097,
        "design_z": 136.3356,
        "delta_z": 0.0259
      },
      {
        "ch": 304.9206,
        "easting": 450691.7969,
        "northing": 6510190.7418,
        "existing_z": 136.4787,
        "design_z": 136.4508,
        "delta_z": -0.0279
      },
      {
        "ch": 310.0,
        "easting": 450693.9489,
        "northing": 6510195.2292,
        "existing_z": 136.6425,
        "design_z": 136.5717,
        "delta_z": -0.0708
      },
      {
        "ch": 320.0,
        "easting": 450700.5085,
        "northing": 6510202.7586,
        "existing_z": 136.9161,
        "design_z": 136.8153,
        "delta_z": -0.1008
      },
      {
        "ch": 324.9206,
        "easting": 450703.9878,
        "northing": 6510206.238,
        "existing_z": 137.0399,
        "design_z": 136.9379,
        "delta_z": -0.102
      },
      {
        "ch": 330.0,
        "easting": 450707.5795,
        "northing": 6510209.8297,
        "existing_z": 137.1655,
        "design_z": 137.0655,
        "delta_z": -0.1001
      },
      {
        "ch": 340.0,
        "easting": 450714.6505,
        "northing": 6510216.9009,
        "existing_z": 137.4182,
        "design_z": 137.3166,
        "delta_z": -0.1016
      },
      {
        "ch": 350.0,
        "easting": 450721.7215,
        "northing": 6510223.972,
        "existing_z": 137.6761,
        "design_z": 137.5677,
        "delta_z": -0.1085
      },
      {
        "ch": 360.0,
        "easting": 450728.7924,
        "northing": 6510231.0432,
        "existing_z": 137.9336,
        "design_z": 137.8188,
        "delta_z": -0.1149
      },
      {
        "ch": 361.1507,
        "easting": 450729.6061,
        "northing": 6510231.8569,
        "existing_z": 137.9638,
        "design_z": 137.8476,
        "delta_z": -0.1161
      },
      {
        "ch": 370.0,
        "easting": 450735.8634,
        "northing": 6510238.1143,
        "existing_z": 138.1915,
        "design_z": 138.065,
        "delta_z": -0.1265
      },
      {
        "ch": 380.0,
        "easting": 450742.9344,
        "northing": 6510245.1855,
        "existing_z": 138.4468,
        "design_z": 138.2988,
        "delta_z": -0.148
      },
      {
        "ch": 381.1507,
        "easting": 450743.7481,
        "northing": 6510245.9992,
        "existing_z": 138.4761,
        "design_z": 138.3249,
        "delta_z": -0.1512
      },
      {
        "ch": 390.0,
        "easting": 450750.0054,
        "northing": 6510252.2566,
        "existing_z": 138.7017,
        "design_z": 138.5202,
        "delta_z": -0.1815
      },
      {
        "ch": 400.0,
        "easting": 450757.0764,
        "northing": 6510259.3278,
        "existing_z": 138.8978,
        "design_z": 138.7291,
        "delta_z": -0.1687
      },
      {
        "ch": 401.1507,
        "easting": 450757.8901,
        "northing": 6510260.1415,
        "existing_z": 138.9198,
        "design_z": 138.7524,
        "delta_z": -0.1675
      },
      {
        "ch": 410.0,
        "easting": 450764.1474,
        "northing": 6510266.3989,
        "existing_z": 139.0849,
        "design_z": 138.9305,
        "delta_z": -0.1544
      },
      {
        "ch": 420.0,
        "easting": 450771.2184,
        "northing": 6510273.4701,
        "existing_z": 139.2625,
        "design_z": 139.1318,
        "delta_z": -0.1307
      },
      {
        "ch": 430.0,
        "easting": 450778.2893,
        "northing": 6510280.5412,
        "existing_z": 139.3821,
        "design_z": 139.333,
        "delta_z": -0.049
      },
      {
        "ch": 437.3809,
        "easting": 450783.5083,
        "northing": 6510285.7604,
        "existing_z": 139.4646,
        "design_z": 139.4816,
        "delta_z": 0.017
      },
      {
        "ch": 440.0,
        "easting": 450785.3603,
        "northing": 6510287.6124,
        "existing_z": 139.4926,
        "design_z": 139.5351,
        "delta_z": 0.0424
      },
      {
        "ch": 450.0,
        "easting": 450792.4313,
        "northing": 6510294.6835,
        "existing_z": 139.6209,
        "design_z": 139.7534,
        "delta_z": 0.1326
      },
      {
        "ch": 457.3809,
        "easting": 450797.6503,
        "northing": 6510299.9027,
        "existing_z": 139.724,
        "design_z": 139.929,
        "delta_z": 0.205
      },
      {
        "ch": 460.0,
        "easting": 450799.5023,
        "northing": 6510301.7547,
        "existing_z": 139.7582,
        "design_z": 139.9942,
        "delta_z": 0.236
      },
      {
        "ch": 470.0,
        "easting": 450806.5733,
        "northing": 6510308.8259,
        "existing_z": 139.8775,
        "design_z": 140.2575,
        "delta_z": 0.3799
      },
      {
        "ch": 477.3809,
        "easting": 450811.7923,
        "northing": 6510314.045,
        "existing_z": 140.0108,
        "design_z": 140.4661,
        "delta_z": 0.4553
      },
      {
        "ch": 480.0,
        "easting": 450813.6443,
        "northing": 6510315.897,
        "existing_z": 140.0844,
        "design_z": 140.5424,
        "delta_z": 0.458
      },
      {
        "ch": 490.0,
        "easting": 450820.7152,
        "northing": 6510322.9682,
        "existing_z": 140.328,
        "design_z": 140.8334,
        "delta_z": 0.5054
      },
      {
        "ch": 500.0,
        "easting": 450827.7862,
        "northing": 6510330.0393,
        "existing_z": 140.5131,
        "design_z": 141.1244,
        "delta_z": 0.6113
      },
      {
        "ch": 510.0,
        "easting": 450834.8572,
        "northing": 6510337.1105,
        "existing_z": 140.9121,
        "design_z": 141.4154,
        "delta_z": 0.5033
      },
      {
        "ch": 513.611,
        "easting": 450837.4105,
        "northing": 6510339.6638,
        "existing_z": 141.0755,
        "design_z": 141.5205,
        "delta_z": 0.4449
      },
      {
        "ch": 520.0,
        "easting": 450841.9282,
        "northing": 6510344.1816,
        "existing_z": 141.3504,
        "design_z": 141.7138,
        "delta_z": 0.3633
      },
      {
        "ch": 530.0,
        "easting": 450848.9992,
        "northing": 6510351.2528,
        "existing_z": 141.7465,
        "design_z": 142.0459,
        "delta_z": 0.2994
      },
      {
        "ch": 533.611,
        "easting": 450851.5525,
        "northing": 6510353.8062,
        "existing_z": 141.9046,
        "design_z": 142.1747,
        "delta_z": 0.2701
      },
      {
        "ch": 540.0,
        "easting": 450856.0702,
        "northing": 6510358.3239,
        "existing_z": 142.1953,
        "design_z": 142.4142,
        "delta_z": 0.2189
      },
      {
        "ch": 550.0,
        "easting": 450863.1412,
        "northing": 6510365.3951,
        "existing_z": 142.6108,
        "design_z": 142.8186,
        "delta_z": 0.2079
      },
      {
        "ch": 553.611,
        "easting": 450865.6945,
        "northing": 6510367.9485,
        "existing_z": 142.7489,
        "design_z": 142.9735,
        "delta_z": 0.2246
      },
      {
        "ch": 560.0,
        "easting": 450870.2121,
        "northing": 6510372.4662,
        "existing_z": 142.9928,
        "design_z": 143.2518,
        "delta_z": 0.259
      },
      {
        "ch": 570.0,
        "easting": 450877.2831,
        "northing": 6510379.5374,
        "existing_z": 143.42,
        "design_z": 143.6873,
        "delta_z": 0.2674
      },
      {
        "ch": 580.0,
        "easting": 450884.3541,
        "northing": 6510386.6085,
        "existing_z": 143.8393,
        "design_z": 144.1229,
        "delta_z": 0.2836
      },
      {
        "ch": 589.8411,
        "easting": 450891.3128,
        "northing": 6510393.5673,
        "existing_z": 144.2611,
        "design_z": 144.5515,
        "delta_z": 0.2904
      },
      {
        "ch": 590.0,
        "easting": 450891.4251,
        "northing": 6510393.6797,
        "existing_z": 144.2685,
        "design_z": 144.5584,
        "delta_z": 0.2899
      },
      {
        "ch": 600.0,
        "easting": 450898.4961,
        "northing": 6510400.7508,
        "existing_z": 144.7387,
        "design_z": 145.0171,
        "delta_z": 0.2783
      },
      {
        "ch": 609.8411,
        "easting": 450905.4547,
        "northing": 6510407.7096,
        "existing_z": 145.2131,
        "design_z": 145.5123,
        "delta_z": 0.2992
      },
      {
        "ch": 610.0,
        "easting": 450905.5671,
        "northing": 6510407.822,
        "existing_z": 145.2209,
        "design_z": 145.5207,
        "delta_z": 0.2998
      },
      {
        "ch": 620.0,
        "easting": 450912.638,
        "northing": 6510414.8931,
        "existing_z": 145.7113,
        "design_z": 146.0691,
        "delta_z": 0.3578
      },
      {
        "ch": 629.8411,
        "easting": 450919.5967,
        "northing": 6510421.8519,
        "existing_z": 146.2108,
        "design_z": 146.6527,
        "delta_z": 0.4418
      },
      {
        "ch": 630.0,
        "easting": 450919.709,
        "northing": 6510421.9643,
        "existing_z": 146.2191,
        "design_z": 146.6625,
        "delta_z": 0.4434
      },
      {
        "ch": 640.0,
        "easting": 450926.78,
        "northing": 6510429.0354,
        "existing_z": 146.749,
        "design_z": 147.2775,
        "delta_z": 0.5286
      },
      {
        "ch": 650.0,
        "easting": 450933.851,
        "northing": 6510436.1066,
        "existing_z": 147.3123,
        "design_z": 147.8926,
        "delta_z": 0.5804
      },
      {
        "ch": 660.0,
        "easting": 450940.922,
        "northing": 6510443.1777,
        "existing_z": 147.9079,
        "design_z": 148.5077,
        "delta_z": 0.5998
      },
      {
        "ch": 666.0713,
        "easting": 450945.215,
        "northing": 6510447.4708,
        "existing_z": 148.2843,
        "design_z": 148.8811,
        "delta_z": 0.5968
      },
      {
        "ch": 670.0,
        "easting": 450947.993,
        "northing": 6510450.2489,
        "existing_z": 148.5357,
        "design_z": 149.1291,
        "delta_z": 0.5934
      },
      {
        "ch": 680.0,
        "easting": 450955.064,
        "northing": 6510457.32,
        "existing_z": 149.2508,
        "design_z": 149.8172,
        "delta_z": 0.5664
      },
      {
        "ch": 686.0713,
        "easting": 450959.357,
        "northing": 6510461.6131,
        "existing_z": 149.6966,
        "design_z": 150.2749,
        "delta_z": 0.5783
      },
      {
        "ch": 690.0,
        "easting": 450962.1349,
        "northing": 6510464.3912,
        "existing_z": 149.9884,
        "design_z": 150.5872,
        "delta_z": 0.5988
      },
      {
        "ch": 700.0,
        "easting": 450969.2059,
        "northing": 6510471.4623,
        "existing_z": 150.752,
        "design_z": 151.439,
        "delta_z": 0.687
      },
      {
        "ch": 706.0713,
        "easting": 450973.4989,
        "northing": 6510475.7554,
        "existing_z": 151.2473,
        "design_z": 151.9961,
        "delta_z": 0.7489
      },
      {
        "ch": 710.0,
        "easting": 450976.2769,
        "northing": 6510478.5335,
        "existing_z": 151.5703,
        "design_z": 152.3664,
        "delta_z": 0.7961
      },
      {
        "ch": 720.0,
        "easting": 450983.3479,
        "northing": 6510485.6046,
        "existing_z": 152.4003,
        "design_z": 153.3088,
        "delta_z": 0.9085
      },
      {
        "ch": 730.0,
        "easting": 450990.4189,
        "northing": 6510492.6758,
        "existing_z": 153.2588,
        "design_z": 154.2513,
        "delta_z": 0.9925
      },
      {
        "ch": 740.0,
        "easting": 450997.4899,
        "northing": 6510499.7469,
        "existing_z": 154.2047,
        "design_z": 155.1937,
        "delta_z": 0.989
      },
      {
        "ch": 742.3014,
        "easting": 450999.1172,
        "northing": 6510501.3743,
        "existing_z": 154.4273,
        "design_z": 155.4106,
        "delta_z": 0.9833
      },
      {
        "ch": 750.0,
        "easting": 451004.5608,
        "northing": 6510506.8181,
        "existing_z": 155.1848,
        "design_z": 156.1705,
        "delta_z": 0.9857
      },
      {
        "ch": 760.0,
        "easting": 451011.6318,
        "northing": 6510513.8892,
        "existing_z": 156.2501,
        "design_z": 157.2603,
        "delta_z": 1.0102
      },
      {
        "ch": 762.3014,
        "easting": 451013.2592,
        "northing": 6510515.5166,
        "existing_z": 156.5219,
        "design_z": 157.5275,
        "delta_z": 1.0057
      },
      {
        "ch": 770.0,
        "easting": 451018.7028,
        "northing": 6510520.9604,
        "existing_z": 157.4502,
        "design_z": 158.4661,
        "delta_z": 1.0159
      },
      {
        "ch": 780.0,
        "easting": 451025.7738,
        "northing": 6510528.0315,
        "existing_z": 158.7002,
        "design_z": 159.7879,
        "delta_z": 1.0878
      },
      {
        "ch": 782.3014,
        "easting": 451027.4011,
        "northing": 6510529.6589,
        "existing_z": 158.9949,
        "design_z": 160.1086,
        "delta_z": 1.1136
      },
      {
        "ch": 790.0,
        "easting": 451032.8448,
        "northing": 6510535.1027,
        "existing_z": 160.0749,
        "design_z": 161.1914,
        "delta_z": 1.1166
      },
      {
        "ch": 800.0,
        "easting": 451039.9158,
        "northing": 6510542.1738,
        "existing_z": 161.5865,
        "design_z": 162.598,
        "delta_z": 1.0115
      },
      {
        "ch": 810.0,
        "easting": 451046.9868,
        "northing": 6510549.245,
        "existing_z": 163.1753,
        "design_z": 164.0046,
        "delta_z": 0.8293
      },
      {
        "ch": 820.0,
        "easting": 451054.0577,
        "northing": 6510556.3161,
        "existing_z": 164.8389,
        "design_z": 165.4112,
        "delta_z": 0.5722
      },
      {
        "ch": 830.0,
        "easting": 451061.1287,
        "northing": 6510563.3873,
        "existing_z": 166.5325,
        "design_z": 166.8177,
        "delta_z": 0.2852
      },
      {
        "ch": 838.5316,
        "easting": 451067.1614,
        "northing": 6510569.4201,
        "existing_z": 168.0177,
        "design_z": 168.0177,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD126",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 8.349,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 14.96,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450204.52595238044,
          6510276.30404762
        ],
        "end": [
          450210.0,
          6510270.0
        ],
        "chainage_start": 0,
        "length": 8.349024717621925
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450204.526,
        "northing": 6510276.304,
        "existing_z": 166.7114,
        "design_z": 166.7114,
        "delta_z": 0.0
      },
      {
        "ch": 8.349,
        "easting": 450210.0,
        "northing": 6510270.0,
        "existing_z": 165.4628,
        "design_z": 165.4628,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD127",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 529.385,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 9.82,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452424.03000000096,
          6510456.799999999
        ],
        "end": [
          452718.3248000001,
          6510162.5052
        ],
        "chainage_start": 0,
        "length": 416.19569749481207
      },
      {
        "type": "ARC",
        "centre": [
          452745.4400000001,
          6510189.620399999
        ],
        "radius": 38.34668358644715,
        "start_angle_rad": -2.3561944901944916,
        "sweep_rad": 1.5707963267920126,
        "start": [
          452718.3248000001,
          6510162.5052
        ],
        "end": [
          452772.5552,
          6510162.5052
        ],
        "chainage_start": 416.19569749481207,
        "length": 60.234829722246744,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452772.5552,
          6510162.5052
        ],
        "end": [
          452810.0,
          6510199.949999999
        ],
        "chainage_start": 476.4305272170588,
        "length": 52.95494400013872
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 75.62649588817108,
        "pvi_z": 184.16372850296827,
        "bvc": 55.62649588817108,
        "evc": 95.62649588817108,
        "length": 40.0,
        "g1": -0.04509771026293926,
        "g2": -0.032321125308783255,
        "z_bvc": 185.06568270822706,
        "K_m_per_percent": 31.30727040404383
      },
      {
        "pvi_ch": 151.25299177634216,
        "pvi_z": 181.7193950527025,
        "bvc": 131.25299177634216,
        "evc": 171.25299177634216,
        "length": 40.0,
        "g1": -0.032321125308783255,
        "g2": -0.01475937478378163,
        "z_bvc": 182.36581755887818,
        "K_m_per_percent": 22.776772704437615
      },
      {
        "pvi_ch": 226.87948766451325,
        "pvi_z": 180.60319525630487,
        "bvc": 206.87948766451325,
        "evc": 246.87948766451325,
        "length": 40.0,
        "g1": -0.01475937478378163,
        "g2": -0.041972318401118494,
        "z_bvc": 180.8983827519805,
        "K_m_per_percent": 14.698887618506928
      },
      {
        "pvi_ch": 302.5059835526843,
        "pvi_z": 177.42897589132568,
        "bvc": 282.5059835526843,
        "evc": 322.5059835526843,
        "length": 40.0,
        "g1": -0.041972318401118494,
        "g2": -0.09822239960499433,
        "z_bvc": 178.26842225934806,
        "K_m_per_percent": 7.111100845351998
      },
      {
        "pvi_ch": 378.1324794408554,
        "pvi_z": 170.00075999147228,
        "bvc": 358.1324794408554,
        "evc": 398.1324794408554,
        "length": 40.0,
        "g1": -0.09822239960499433,
        "g2": -0.08813184226765289,
        "z_bvc": 171.96520798357216,
        "K_m_per_percent": 39.64102146466647
      },
      {
        "pvi_ch": 453.7589753290265,
        "pvi_z": 163.33565758460068,
        "bvc": 429.3247453276709,
        "evc": 478.1932053303821,
        "length": 48.86846000271127,
        "g1": -0.08813184226765289,
        "g2": -0.0066844089298007765,
        "z_bvc": 165.4890912890117,
        "K_m_per_percent": 6.0
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452424.03,
        "northing": 6510456.8,
        "existing_z": 187.5743,
        "design_z": 187.5743,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452431.1011,
        "northing": 6510449.7289,
        "existing_z": 187.0113,
        "design_z": 187.1233,
        "delta_z": 0.1121
      },
      {
        "ch": 20.0,
        "easting": 452438.1721,
        "northing": 6510442.6579,
        "existing_z": 186.5041,
        "design_z": 186.6724,
        "delta_z": 0.1683
      },
      {
        "ch": 30.0,
        "easting": 452445.2432,
        "northing": 6510435.5868,
        "existing_z": 186.0054,
        "design_z": 186.2214,
        "delta_z": 0.216
      },
      {
        "ch": 40.0,
        "easting": 452452.3143,
        "northing": 6510428.5157,
        "existing_z": 185.5296,
        "design_z": 185.7704,
        "delta_z": 0.2408
      },
      {
        "ch": 50.0,
        "easting": 452459.3853,
        "northing": 6510421.4447,
        "existing_z": 185.0896,
        "design_z": 185.3194,
        "delta_z": 0.2298
      },
      {
        "ch": 55.6265,
        "easting": 452463.3639,
        "northing": 6510417.4661,
        "existing_z": 184.845,
        "design_z": 185.0657,
        "delta_z": 0.2207
      },
      {
        "ch": 60.0,
        "easting": 452466.4564,
        "northing": 6510414.3736,
        "existing_z": 184.6563,
        "design_z": 184.8715,
        "delta_z": 0.2152
      },
      {
        "ch": 70.0,
        "easting": 452473.5275,
        "northing": 6510407.3025,
        "existing_z": 184.2473,
        "design_z": 184.4505,
        "delta_z": 0.2032
      },
      {
        "ch": 75.6265,
        "easting": 452477.506,
        "northing": 6510403.324,
        "existing_z": 184.0221,
        "design_z": 184.2276,
        "delta_z": 0.2055
      },
      {
        "ch": 80.0,
        "easting": 452480.5985,
        "northing": 6510400.2315,
        "existing_z": 183.8502,
        "design_z": 184.0614,
        "delta_z": 0.2112
      },
      {
        "ch": 90.0,
        "easting": 452487.6696,
        "northing": 6510393.1604,
        "existing_z": 183.4672,
        "design_z": 183.7042,
        "delta_z": 0.237
      },
      {
        "ch": 95.6265,
        "easting": 452491.6481,
        "northing": 6510389.1819,
        "existing_z": 183.2629,
        "design_z": 183.5173,
        "delta_z": 0.2544
      },
      {
        "ch": 100.0,
        "easting": 452494.7407,
        "northing": 6510386.0893,
        "existing_z": 183.0915,
        "design_z": 183.3759,
        "delta_z": 0.2845
      },
      {
        "ch": 110.0,
        "easting": 452501.8117,
        "northing": 6510379.0183,
        "existing_z": 182.7301,
        "design_z": 183.0527,
        "delta_z": 0.3227
      },
      {
        "ch": 120.0,
        "easting": 452508.8828,
        "northing": 6510371.9472,
        "existing_z": 182.4115,
        "design_z": 182.7295,
        "delta_z": 0.318
      },
      {
        "ch": 130.0,
        "easting": 452515.9539,
        "northing": 6510364.8761,
        "existing_z": 182.0297,
        "design_z": 182.4063,
        "delta_z": 0.3766
      },
      {
        "ch": 131.253,
        "easting": 452516.8399,
        "northing": 6510363.9901,
        "existing_z": 181.9815,
        "design_z": 182.3658,
        "delta_z": 0.3843
      },
      {
        "ch": 140.0,
        "easting": 452523.0249,
        "northing": 6510357.8051,
        "existing_z": 181.6689,
        "design_z": 182.0999,
        "delta_z": 0.431
      },
      {
        "ch": 150.0,
        "easting": 452530.096,
        "northing": 6510350.734,
        "existing_z": 181.362,
        "design_z": 181.837,
        "delta_z": 0.475
      },
      {
        "ch": 151.253,
        "easting": 452530.982,
        "northing": 6510349.848,
        "existing_z": 181.3174,
        "design_z": 181.8072,
        "delta_z": 0.4898
      },
      {
        "ch": 160.0,
        "easting": 452537.1671,
        "northing": 6510343.6629,
        "existing_z": 181.0233,
        "design_z": 181.6181,
        "delta_z": 0.5948
      },
      {
        "ch": 170.0,
        "easting": 452544.2382,
        "northing": 6510336.5918,
        "existing_z": 180.7564,
        "design_z": 181.443,
        "delta_z": 0.6866
      },
      {
        "ch": 171.253,
        "easting": 452545.1242,
        "northing": 6510335.7058,
        "existing_z": 180.7282,
        "design_z": 181.4242,
        "delta_z": 0.696
      },
      {
        "ch": 180.0,
        "easting": 452551.3092,
        "northing": 6510329.5208,
        "existing_z": 180.5715,
        "design_z": 181.2951,
        "delta_z": 0.7237
      },
      {
        "ch": 190.0,
        "easting": 452558.3803,
        "northing": 6510322.4497,
        "existing_z": 180.5105,
        "design_z": 181.1475,
        "delta_z": 0.637
      },
      {
        "ch": 200.0,
        "easting": 452565.4514,
        "northing": 6510315.3786,
        "existing_z": 180.545,
        "design_z": 180.9999,
        "delta_z": 0.455
      },
      {
        "ch": 206.8795,
        "easting": 452570.3159,
        "northing": 6510310.5141,
        "existing_z": 180.6251,
        "design_z": 180.8984,
        "delta_z": 0.2733
      },
      {
        "ch": 210.0,
        "easting": 452572.5224,
        "northing": 6510308.3076,
        "existing_z": 180.6734,
        "design_z": 180.849,
        "delta_z": 0.1757
      },
      {
        "ch": 220.0,
        "easting": 452579.5935,
        "northing": 6510301.2365,
        "existing_z": 180.8467,
        "design_z": 180.6462,
        "delta_z": -0.2005
      },
      {
        "ch": 226.8795,
        "easting": 452584.458,
        "northing": 6510296.372,
        "existing_z": 180.9885,
        "design_z": 180.4671,
        "delta_z": -0.5213
      },
      {
        "ch": 230.0,
        "easting": 452586.6646,
        "northing": 6510294.1654,
        "existing_z": 181.0589,
        "design_z": 180.3753,
        "delta_z": -0.6836
      },
      {
        "ch": 240.0,
        "easting": 452593.7356,
        "northing": 6510287.0944,
        "existing_z": 181.1703,
        "design_z": 180.0364,
        "delta_z": -1.1339
      },
      {
        "ch": 246.8795,
        "easting": 452598.6002,
        "northing": 6510282.2298,
        "existing_z": 181.1386,
        "design_z": 179.7637,
        "delta_z": -1.3748
      },
      {
        "ch": 250.0,
        "easting": 452600.8067,
        "northing": 6510280.0233,
        "existing_z": 181.1243,
        "design_z": 179.6328,
        "delta_z": -1.4915
      },
      {
        "ch": 260.0,
        "easting": 452607.8778,
        "northing": 6510272.9522,
        "existing_z": 181.0784,
        "design_z": 179.2131,
        "delta_z": -1.8654
      },
      {
        "ch": 270.0,
        "easting": 452614.9488,
        "northing": 6510265.8812,
        "existing_z": 180.7453,
        "design_z": 178.7933,
        "delta_z": -1.952
      },
      {
        "ch": 280.0,
        "easting": 452622.0199,
        "northing": 6510258.8101,
        "existing_z": 180.1936,
        "design_z": 178.3736,
        "delta_z": -1.82
      },
      {
        "ch": 282.506,
        "easting": 452623.7919,
        "northing": 6510257.0381,
        "existing_z": 180.0446,
        "design_z": 178.2684,
        "delta_z": -1.7762
      },
      {
        "ch": 290.0,
        "easting": 452629.091,
        "northing": 6510251.739,
        "existing_z": 179.5732,
        "design_z": 177.9144,
        "delta_z": -1.6588
      },
      {
        "ch": 300.0,
        "easting": 452636.162,
        "northing": 6510244.668,
        "existing_z": 178.6925,
        "design_z": 177.319,
        "delta_z": -1.3736
      },
      {
        "ch": 302.506,
        "easting": 452637.934,
        "northing": 6510242.896,
        "existing_z": 178.4562,
        "design_z": 177.1477,
        "delta_z": -1.3085
      },
      {
        "ch": 310.0,
        "easting": 452643.2331,
        "northing": 6510237.5969,
        "existing_z": 177.7442,
        "design_z": 176.5829,
        "delta_z": -1.1613
      },
      {
        "ch": 320.0,
        "easting": 452650.3042,
        "northing": 6510230.5258,
        "existing_z": 176.7834,
        "design_z": 175.7063,
        "delta_z": -1.0771
      },
      {
        "ch": 322.506,
        "easting": 452652.0762,
        "northing": 6510228.7538,
        "existing_z": 176.5227,
        "design_z": 175.4645,
        "delta_z": -1.0582
      },
      {
        "ch": 330.0,
        "easting": 452657.3752,
        "northing": 6510223.4548,
        "existing_z": 175.7087,
        "design_z": 174.7284,
        "delta_z": -0.9802
      },
      {
        "ch": 340.0,
        "easting": 452664.4463,
        "northing": 6510216.3837,
        "existing_z": 174.6251,
        "design_z": 173.7462,
        "delta_z": -0.8789
      },
      {
        "ch": 350.0,
        "easting": 452671.5174,
        "northing": 6510209.3126,
        "existing_z": 173.5233,
        "design_z": 172.764,
        "delta_z": -0.7593
      },
      {
        "ch": 358.1325,
        "easting": 452677.2679,
        "northing": 6510203.5621,
        "existing_z": 172.468,
        "design_z": 171.9652,
        "delta_z": -0.5028
      },
      {
        "ch": 360.0,
        "easting": 452678.5884,
        "northing": 6510202.2416,
        "existing_z": 172.2282,
        "design_z": 171.7822,
        "delta_z": -0.446
      },
      {
        "ch": 370.0,
        "easting": 452685.6595,
        "northing": 6510195.1705,
        "existing_z": 170.9604,
        "design_z": 170.8173,
        "delta_z": -0.1431
      },
      {
        "ch": 378.1325,
        "easting": 452691.41,
        "northing": 6510189.42,
        "existing_z": 169.9324,
        "design_z": 170.0512,
        "delta_z": 0.1188
      },
      {
        "ch": 380.0,
        "easting": 452692.7306,
        "northing": 6510188.0994,
        "existing_z": 169.6626,
        "design_z": 169.8776,
        "delta_z": 0.2151
      },
      {
        "ch": 390.0,
        "easting": 452699.8016,
        "northing": 6510181.0284,
        "existing_z": 168.2522,
        "design_z": 168.9632,
        "delta_z": 0.711
      },
      {
        "ch": 398.1325,
        "easting": 452705.5522,
        "northing": 6510175.2778,
        "existing_z": 167.148,
        "design_z": 168.2381,
        "delta_z": 1.0902
      },
      {
        "ch": 400.0,
        "easting": 452706.8727,
        "northing": 6510173.9573,
        "existing_z": 166.8998,
        "design_z": 168.0735,
        "delta_z": 1.1737
      },
      {
        "ch": 410.0,
        "easting": 452713.9438,
        "northing": 6510166.8862,
        "existing_z": 165.5426,
        "design_z": 167.1922,
        "delta_z": 1.6496
      },
      {
        "ch": 420.0,
        "easting": 452721.1438,
        "northing": 6510159.9529,
        "existing_z": 164.1959,
        "design_z": 166.3109,
        "delta_z": 2.115
      },
      {
        "ch": 429.3247,
        "easting": 452729.0019,
        "northing": 6510154.9757,
        "existing_z": 163.1502,
        "design_z": 165.4891,
        "delta_z": 2.3389
      },
      {
        "ch": 430.0,
        "easting": 452729.6145,
        "northing": 6510154.6916,
        "existing_z": 163.0844,
        "design_z": 165.43,
        "delta_z": 2.3455
      },
      {
        "ch": 440.0,
        "easting": 452739.1554,
        "northing": 6510151.7922,
        "existing_z": 162.3153,
        "design_z": 164.6432,
        "delta_z": 2.328
      },
      {
        "ch": 450.0,
        "easting": 452749.1212,
        "northing": 6510151.4508,
        "existing_z": 161.8456,
        "design_z": 164.0232,
        "delta_z": 2.1776
      },
      {
        "ch": 453.759,
        "easting": 452752.8392,
        "northing": 6510151.9943,
        "existing_z": 161.7603,
        "design_z": 163.8332,
        "delta_z": 2.0729
      },
      {
        "ch": 460.0,
        "easting": 452758.8381,
        "northing": 6510153.6905,
        "existing_z": 161.7058,
        "design_z": 163.5698,
        "delta_z": 1.864
      },
      {
        "ch": 470.0,
        "easting": 452767.649,
        "northing": 6510158.3598,
        "existing_z": 161.7941,
        "design_z": 163.283,
        "delta_z": 1.489
      },
      {
        "ch": 478.1932,
        "easting": 452773.8016,
        "northing": 6510163.7516,
        "existing_z": 162.0364,
        "design_z": 163.1723,
        "delta_z": 1.1359
      },
      {
        "ch": 480.0,
        "easting": 452775.0792,
        "northing": 6510165.0292,
        "existing_z": 162.0986,
        "design_z": 163.1603,
        "delta_z": 1.0616
      },
      {
        "ch": 490.0,
        "easting": 452782.1503,
        "northing": 6510172.1003,
        "existing_z": 162.3874,
        "design_z": 163.0934,
        "delta_z": 0.706
      },
      {
        "ch": 500.0,
        "easting": 452789.2213,
        "northing": 6510179.1713,
        "existing_z": 162.5749,
        "design_z": 163.0266,
        "delta_z": 0.4517
      },
      {
        "ch": 510.0,
        "easting": 452796.2924,
        "northing": 6510186.2424,
        "existing_z": 162.7433,
        "design_z": 162.9597,
        "delta_z": 0.2164
      },
      {
        "ch": 520.0,
        "easting": 452803.3635,
        "northing": 6510193.3135,
        "existing_z": 162.8289,
        "design_z": 162.8929,
        "delta_z": 0.064
      },
      {
        "ch": 529.3855,
        "easting": 452810.0,
        "northing": 6510199.95,
        "existing_z": 162.8301,
        "design_z": 162.8301,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD128",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 2.02,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 14.0,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450205.95452379814,
          6510274.875476202
        ],
        "end": [
          450204.52595238044,
          6510276.30404762
        ],
        "chainage_start": 0,
        "length": 2.0203050738873394
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450205.9545,
        "northing": 6510274.8755,
        "existing_z": 166.4286,
        "design_z": 166.4286,
        "delta_z": 0.0
      },
      {
        "ch": 2.0203,
        "easting": 450204.526,
        "northing": 6510276.304,
        "existing_z": 166.7114,
        "design_z": 166.7114,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD129",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 2.02,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 14.0,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450204.52595238044,
          6510276.30404762
        ],
        "end": [
          450205.95452379814,
          6510274.875476202
        ],
        "chainage_start": 0,
        "length": 2.0203050738873394
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450204.526,
        "northing": 6510276.304,
        "existing_z": 166.7114,
        "design_z": 166.7114,
        "delta_z": 0.0
      },
      {
        "ch": 2.0203,
        "easting": 450205.9545,
        "northing": 6510274.8755,
        "existing_z": 166.4286,
        "design_z": 166.4286,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD130",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 420.236,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.27,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450782.903602599,
          6510426.578610135
        ],
        "end": [
          450555.8930217269,
          6510195.986008263
        ],
        "chainage_start": 0,
        "length": 323.5842268498198
      },
      {
        "type": "ARC",
        "centre": [
          450570.506028148,
          6510181.600000001
        ],
        "radius": 20.506028148040755,
        "start_angle_rad": 2.3640221189826067,
        "sweep_rad": 0.7775705346221927,
        "start": [
          450555.8930217269,
          6510195.986008263
        ],
        "end": [
          450550.0,
          6510181.6
        ],
        "chainage_start": 323.5842268498198,
        "length": 15.944883270049782,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450549.99999999994,
          6510181.600000001
        ],
        "end": [
          450550.0,
          6510178.4
        ],
        "chainage_start": 339.5291101198696,
        "length": 3.2000000001862645
      },
      {
        "type": "ARC",
        "centre": [
          450534.30445642874,
          6510178.4
        ],
        "radius": 15.695543571273245,
        "start_angle_rad": 0.0,
        "sweep_rad": -0.9827937232487034,
        "start": [
          450550.0,
          6510178.4
        ],
        "end": [
          450543.0107775276,
          6510165.340518352
        ],
        "chainage_start": 342.72911012005585,
        "length": 15.425481704823882,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450543.0107775276,
          6510165.340518352
        ],
        "end": [
          450491.35599999997,
          6510130.904
        ],
        "chainage_start": 358.15459182487973,
        "length": 62.081316332722594
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.03931802626705,
        "pvi_z": 145.29350678199503,
        "bvc": 50.039318026267054,
        "evc": 90.03931802626705,
        "length": 40.0,
        "g1": -0.018364479922023363,
        "g2": -0.03267991884032163,
        "z_bvc": 145.6607963804355,
        "K_m_per_percent": 27.94186069200522
      },
      {
        "pvi_ch": 140.0786360525341,
        "pvi_z": 143.00462755326515,
        "bvc": 120.07863605253411,
        "evc": 160.0786360525341,
        "length": 40.0,
        "g1": -0.03267991884032163,
        "g2": -0.029321051709306163,
        "z_bvc": 143.65822593007158,
        "K_m_per_percent": 119.08777108401745
      },
      {
        "pvi_ch": 210.11795407880118,
        "pvi_z": 140.95100108773244,
        "bvc": 190.11795407880118,
        "evc": 230.11795407880118,
        "length": 40.0,
        "g1": -0.029321051709306163,
        "g2": -0.03154294829824828,
        "z_bvc": 141.53742212191855,
        "K_m_per_percent": 180.02638016130473
      },
      {
        "pvi_ch": 280.1572721050682,
        "pvi_z": 138.74175450038533,
        "bvc": 260.1572721050682,
        "evc": 300.1572721050682,
        "length": 40.0,
        "g1": -0.03154294829824828,
        "g2": -0.026282599857403686,
        "z_bvc": 139.3726134663503,
        "K_m_per_percent": 76.04059018109007
      },
      {
        "pvi_ch": 350.19659013133526,
        "pvi_z": 136.9009391304155,
        "bvc": 330.19659013133526,
        "evc": 370.19659013133526,
        "length": 40.0,
        "g1": -0.026282599857403686,
        "g2": -0.014668088838671597,
        "z_bvc": 137.42659112756357,
        "K_m_per_percent": 34.43967631137229
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450782.9036,
        "northing": 6510426.5786,
        "existing_z": 146.5797,
        "design_z": 146.5797,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450775.8881,
        "northing": 6510419.4524,
        "existing_z": 146.5131,
        "design_z": 146.3961,
        "delta_z": -0.117
      },
      {
        "ch": 20.0,
        "easting": 450768.8726,
        "northing": 6510412.3262,
        "existing_z": 146.4096,
        "design_z": 146.2125,
        "delta_z": -0.1972
      },
      {
        "ch": 30.0,
        "easting": 450761.8571,
        "northing": 6510405.2,
        "existing_z": 146.3112,
        "design_z": 146.0288,
        "delta_z": -0.2824
      },
      {
        "ch": 40.0,
        "easting": 450754.8416,
        "northing": 6510398.0738,
        "existing_z": 146.1854,
        "design_z": 145.8452,
        "delta_z": -0.3402
      },
      {
        "ch": 50.0,
        "easting": 450747.8261,
        "northing": 6510390.9476,
        "existing_z": 146.0247,
        "design_z": 145.6615,
        "delta_z": -0.3632
      },
      {
        "ch": 50.0393,
        "easting": 450747.7985,
        "northing": 6510390.9196,
        "existing_z": 146.024,
        "design_z": 145.6608,
        "delta_z": -0.3632
      },
      {
        "ch": 60.0,
        "easting": 450740.8106,
        "northing": 6510383.8214,
        "existing_z": 145.8368,
        "design_z": 145.4601,
        "delta_z": -0.3767
      },
      {
        "ch": 70.0,
        "easting": 450733.7951,
        "northing": 6510376.6952,
        "existing_z": 145.5944,
        "design_z": 145.2229,
        "delta_z": -0.3714
      },
      {
        "ch": 70.0393,
        "easting": 450733.7675,
        "northing": 6510376.6672,
        "existing_z": 145.5933,
        "design_z": 145.2219,
        "delta_z": -0.3714
      },
      {
        "ch": 80.0,
        "easting": 450726.7796,
        "northing": 6510369.569,
        "existing_z": 145.2859,
        "design_z": 144.95,
        "delta_z": -0.336
      },
      {
        "ch": 90.0,
        "easting": 450719.7641,
        "northing": 6510362.4428,
        "existing_z": 144.9219,
        "design_z": 144.6412,
        "delta_z": -0.2807
      },
      {
        "ch": 90.0393,
        "easting": 450719.7365,
        "northing": 6510362.4148,
        "existing_z": 144.9204,
        "design_z": 144.6399,
        "delta_z": -0.2805
      },
      {
        "ch": 100.0,
        "easting": 450712.7486,
        "northing": 6510355.3166,
        "existing_z": 144.5123,
        "design_z": 144.3144,
        "delta_z": -0.1979
      },
      {
        "ch": 110.0,
        "easting": 450705.7331,
        "northing": 6510348.1904,
        "existing_z": 144.073,
        "design_z": 143.9876,
        "delta_z": -0.0854
      },
      {
        "ch": 120.0,
        "easting": 450698.7176,
        "northing": 6510341.0642,
        "existing_z": 143.6618,
        "design_z": 143.6608,
        "delta_z": -0.001
      },
      {
        "ch": 120.0786,
        "easting": 450698.6624,
        "northing": 6510341.0082,
        "existing_z": 143.6585,
        "design_z": 143.6582,
        "delta_z": -0.0003
      },
      {
        "ch": 130.0,
        "easting": 450691.7021,
        "northing": 6510333.938,
        "existing_z": 143.2348,
        "design_z": 143.3381,
        "delta_z": 0.1033
      },
      {
        "ch": 140.0,
        "easting": 450684.6866,
        "northing": 6510326.8118,
        "existing_z": 142.8535,
        "design_z": 143.0239,
        "delta_z": 0.1703
      },
      {
        "ch": 140.0786,
        "easting": 450684.6314,
        "northing": 6510326.7558,
        "existing_z": 142.8509,
        "design_z": 143.0214,
        "delta_z": 0.1705
      },
      {
        "ch": 150.0,
        "easting": 450677.6711,
        "northing": 6510319.6856,
        "existing_z": 142.5201,
        "design_z": 142.718,
        "delta_z": 0.1978
      },
      {
        "ch": 160.0,
        "easting": 450670.6556,
        "northing": 6510312.5594,
        "existing_z": 142.1914,
        "design_z": 142.4205,
        "delta_z": 0.2291
      },
      {
        "ch": 160.0786,
        "easting": 450670.6004,
        "northing": 6510312.5034,
        "existing_z": 142.1889,
        "design_z": 142.4182,
        "delta_z": 0.2293
      },
      {
        "ch": 170.0,
        "easting": 450663.6401,
        "northing": 6510305.4332,
        "existing_z": 141.9724,
        "design_z": 142.1273,
        "delta_z": 0.1549
      },
      {
        "ch": 180.0,
        "easting": 450656.6246,
        "northing": 6510298.307,
        "existing_z": 141.7838,
        "design_z": 141.8341,
        "delta_z": 0.0502
      },
      {
        "ch": 190.0,
        "easting": 450649.6091,
        "northing": 6510291.1808,
        "existing_z": 141.5903,
        "design_z": 141.5409,
        "delta_z": -0.0494
      },
      {
        "ch": 190.118,
        "easting": 450649.5263,
        "northing": 6510291.0967,
        "existing_z": 141.5874,
        "design_z": 141.5374,
        "delta_z": -0.05
      },
      {
        "ch": 200.0,
        "easting": 450642.5936,
        "northing": 6510284.0546,
        "existing_z": 141.3438,
        "design_z": 141.245,
        "delta_z": -0.0989
      },
      {
        "ch": 210.0,
        "easting": 450635.5781,
        "northing": 6510276.9284,
        "existing_z": 141.0481,
        "design_z": 140.9435,
        "delta_z": -0.1046
      },
      {
        "ch": 210.118,
        "easting": 450635.4953,
        "northing": 6510276.8443,
        "existing_z": 141.0443,
        "design_z": 140.9399,
        "delta_z": -0.1044
      },
      {
        "ch": 220.0,
        "easting": 450628.5626,
        "northing": 6510269.8022,
        "existing_z": 140.676,
        "design_z": 140.6364,
        "delta_z": -0.0396
      },
      {
        "ch": 230.0,
        "easting": 450621.5471,
        "northing": 6510262.676,
        "existing_z": 140.2085,
        "design_z": 140.3239,
        "delta_z": 0.1154
      },
      {
        "ch": 230.118,
        "easting": 450621.4643,
        "northing": 6510262.5919,
        "existing_z": 140.2031,
        "design_z": 140.3201,
        "delta_z": 0.1171
      },
      {
        "ch": 240.0,
        "easting": 450614.5316,
        "northing": 6510255.5498,
        "existing_z": 139.7595,
        "design_z": 140.0084,
        "delta_z": 0.249
      },
      {
        "ch": 250.0,
        "easting": 450607.5161,
        "northing": 6510248.4236,
        "existing_z": 139.3605,
        "design_z": 139.693,
        "delta_z": 0.3325
      },
      {
        "ch": 260.0,
        "easting": 450600.5005,
        "northing": 6510241.2974,
        "existing_z": 139.0809,
        "design_z": 139.3776,
        "delta_z": 0.2967
      },
      {
        "ch": 260.1573,
        "easting": 450600.3902,
        "northing": 6510241.1853,
        "existing_z": 139.0768,
        "design_z": 139.3726,
        "delta_z": 0.2958
      },
      {
        "ch": 270.0,
        "easting": 450593.485,
        "northing": 6510234.1712,
        "existing_z": 138.8471,
        "design_z": 139.0685,
        "delta_z": 0.2214
      },
      {
        "ch": 280.0,
        "easting": 450586.4695,
        "northing": 6510227.045,
        "existing_z": 138.6733,
        "design_z": 138.7726,
        "delta_z": 0.0993
      },
      {
        "ch": 280.1573,
        "easting": 450586.3592,
        "northing": 6510226.9329,
        "existing_z": 138.671,
        "design_z": 138.7681,
        "delta_z": 0.097
      },
      {
        "ch": 290.0,
        "easting": 450579.454,
        "northing": 6510219.9188,
        "existing_z": 138.5233,
        "design_z": 138.4898,
        "delta_z": -0.0335
      },
      {
        "ch": 300.0,
        "easting": 450572.4385,
        "northing": 6510212.7926,
        "existing_z": 138.3686,
        "design_z": 138.2202,
        "delta_z": -0.1484
      },
      {
        "ch": 300.1573,
        "easting": 450572.3282,
        "northing": 6510212.6805,
        "existing_z": 138.3662,
        "design_z": 138.2161,
        "delta_z": -0.1501
      },
      {
        "ch": 310.0,
        "easting": 450565.423,
        "northing": 6510205.6664,
        "existing_z": 138.184,
        "design_z": 137.9574,
        "delta_z": -0.2266
      },
      {
        "ch": 320.0,
        "easting": 450558.4075,
        "northing": 6510198.5402,
        "existing_z": 137.9767,
        "design_z": 137.6946,
        "delta_z": -0.2821
      },
      {
        "ch": 330.0,
        "easting": 450552.1745,
        "northing": 6510190.7898,
        "existing_z": 137.7145,
        "design_z": 137.4318,
        "delta_z": -0.2828
      },
      {
        "ch": 330.1966,
        "easting": 450552.0873,
        "northing": 6510190.6137,
        "existing_z": 137.7074,
        "design_z": 137.4266,
        "delta_z": -0.2808
      },
      {
        "ch": 340.0,
        "easting": 450550.0,
        "northing": 6510181.1291,
        "existing_z": 137.222,
        "design_z": 137.1829,
        "delta_z": -0.0391
      },
      {
        "ch": 350.0,
        "easting": 450548.3458,
        "northing": 6510171.3864,
        "existing_z": 136.7116,
        "design_z": 136.963,
        "delta_z": 0.2514
      },
      {
        "ch": 350.1966,
        "easting": 450548.2569,
        "northing": 6510171.2111,
        "existing_z": 136.7037,
        "design_z": 136.959,
        "delta_z": 0.2553
      },
      {
        "ch": 360.0,
        "easting": 450541.4753,
        "northing": 6510164.3169,
        "existing_z": 136.436,
        "design_z": 136.7722,
        "delta_z": 0.3362
      },
      {
        "ch": 370.0,
        "easting": 450533.1548,
        "northing": 6510158.7699,
        "existing_z": 136.2831,
        "design_z": 136.6105,
        "delta_z": 0.3273
      },
      {
        "ch": 370.1966,
        "easting": 450532.9912,
        "northing": 6510158.6608,
        "existing_z": 136.2802,
        "design_z": 136.6076,
        "delta_z": 0.3274
      },
      {
        "ch": 380.0,
        "easting": 450524.8343,
        "northing": 6510153.2229,
        "existing_z": 136.1546,
        "design_z": 136.4638,
        "delta_z": 0.3091
      },
      {
        "ch": 390.0,
        "easting": 450516.5138,
        "northing": 6510147.6759,
        "existing_z": 136.0438,
        "design_z": 136.3171,
        "delta_z": 0.2733
      },
      {
        "ch": 400.0,
        "easting": 450508.1933,
        "northing": 6510142.1289,
        "existing_z": 135.9541,
        "design_z": 136.1704,
        "delta_z": 0.2163
      },
      {
        "ch": 410.0,
        "easting": 450499.8728,
        "northing": 6510136.5819,
        "existing_z": 135.9155,
        "design_z": 136.0237,
        "delta_z": 0.1082
      },
      {
        "ch": 420.0,
        "easting": 450491.5523,
        "northing": 6510131.0349,
        "existing_z": 135.8746,
        "design_z": 135.8771,
        "delta_z": 0.0025
      },
      {
        "ch": 420.2359,
        "easting": 450491.356,
        "northing": 6510130.904,
        "existing_z": 135.8736,
        "design_z": 135.8736,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD131",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 526.013,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 13.36,
    "radius_review_count": 4,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452424.03000000096,
          6510456.799999999
        ],
        "end": [
          452427.4926000004,
          6510452.856
        ],
        "chainage_start": 0,
        "length": 5.248307798698046
      },
      {
        "type": "ARC",
        "centre": [
          452424.4449449679,
          6510450.180338155
        ],
        "radius": 4.055535415232368,
        "start_angle_rad": 0.7204933727400422,
        "sweep_rad": -1.5058915360579732,
        "start": [
          452427.4926000004,
          6510452.856
        ],
        "end": [
          452427.3126415614,
          6510447.312641561
        ],
        "chainage_start": 5.248307798698046,
        "length": 6.107196455981781,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452427.3126415616,
          6510447.312641561
        ],
        "end": [
          452415.93969696196,
          6510435.939696962
        ],
        "chainage_start": 11.355504254679827,
        "length": 16.08377249650114
      },
      {
        "type": "ARC",
        "centre": [
          452401.6,
          6510450.279393924
        ],
        "radius": 20.279393923934,
        "start_angle_rad": -0.7853981634116555,
        "sweep_rad": -0.7853981633974484,
        "start": [
          452415.93969696196,
          6510435.939696962
        ],
        "end": [
          452401.6,
          6510430.0
        ],
        "chainage_start": 27.43927675118097,
        "length": 15.927398742671137,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452401.5999999997,
          6510430.000000001
        ],
        "end": [
          452398.4,
          6510430.0
        ],
        "chainage_start": 43.36667549385211,
        "length": 3.1999999996623956
      },
      {
        "type": "ARC",
        "centre": [
          452398.4,
          6510412.03792659
        ],
        "radius": 17.962073410079956,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": 0.8748719973584963,
        "start": [
          452398.4,
          6510430.0
        ],
        "end": [
          452384.61480115575,
          6510423.553323848
        ],
        "chainage_start": 46.5666754935145,
        "length": 15.714515040976588,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452384.61480115575,
          6510423.553323848
        ],
        "end": [
          452368.7256,
          6510404.5322
        ],
        "chainage_start": 62.28119053449109,
        "length": 24.784468237302786
      },
      {
        "type": "ARC",
        "centre": [
          452388.8960412755,
          6510387.682922251
        ],
        "radius": 26.28202545333024,
        "start_angle_rad": 2.4456683241507204,
        "sweep_rad": 1.481339168116286,
        "start": [
          452368.7256,
          6510404.5322
        ],
        "end": [
          452370.31215275347,
          6510369.098413935
        ],
        "chainage_start": 87.06565877179388,
        "length": 38.932593721447276,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452370.31215275347,
          6510369.098413935
        ],
        "end": [
          452653.17,
          6510086.25
        ],
        "chainage_start": 125.99825249324115,
        "length": 400.01473349670454
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 75.14471228427796,
        "pvi_z": 193.37543670215635,
        "bvc": 48.92202599555773,
        "evc": 101.36739857299818,
        "length": 52.44537257744046,
        "g1": 0.07719939597979812,
        "g2": -0.01020955831593598,
        "z_bvc": 191.3510611596994,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 150.28942456855592,
        "pvi_z": 192.60824237995578,
        "bvc": 126.9181575537213,
        "evc": 173.66069158339053,
        "length": 46.74253402966924,
        "g1": -0.01020955831593598,
        "g2": -0.08811378169871804,
        "z_bvc": 192.84685269346105,
        "K_m_per_percent": 5.999999999999999
      },
      {
        "pvi_ch": 225.4341368528339,
        "pvi_z": 185.98695760592594,
        "bvc": 205.4341368528339,
        "evc": 245.4341368528339,
        "length": 40.0,
        "g1": -0.08811378169871804,
        "g2": -0.08178425070353361,
        "z_bvc": 187.7492332399003,
        "K_m_per_percent": 63.19583556891082
      },
      {
        "pvi_ch": 300.57884913711183,
        "pvi_z": 179.84130361742365,
        "bvc": 280.57884913711183,
        "evc": 320.57884913711183,
        "length": 40.0,
        "g1": -0.08178425070353361,
        "g2": -0.07581053017577517,
        "z_bvc": 181.47698863149432,
        "K_m_per_percent": 66.95994533746543
      },
      {
        "pvi_ch": 375.7235614213898,
        "pvi_z": 174.14454313924645,
        "bvc": 355.7235614213898,
        "evc": 395.7235614213898,
        "length": 40.0,
        "g1": -0.07581053017577517,
        "g2": -0.1066120893775459,
        "z_bvc": 175.66075374276195,
        "K_m_per_percent": 12.986355573097242
      },
      {
        "pvi_ch": 450.8682737056678,
        "pvi_z": 166.13320835694503,
        "bvc": 430.8682737056678,
        "evc": 470.8682737056678,
        "length": 40.0,
        "g1": -0.1066120893775459,
        "g2": -0.13357729369279445,
        "z_bvc": 168.26545014449596,
        "K_m_per_percent": 14.833931733786425
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452424.03,
        "northing": 6510456.8,
        "existing_z": 187.5743,
        "design_z": 187.5743,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452428.0947,
        "northing": 6510448.4121,
        "existing_z": 187.3848,
        "design_z": 188.3463,
        "delta_z": 0.9616
      },
      {
        "ch": 20.0,
        "easting": 452421.2001,
        "northing": 6510441.2001,
        "existing_z": 188.388,
        "design_z": 189.1183,
        "delta_z": 0.7303
      },
      {
        "ch": 30.0,
        "easting": 452414.0196,
        "northing": 6510434.248,
        "existing_z": 189.4024,
        "design_z": 189.8903,
        "delta_z": 0.4879
      },
      {
        "ch": 40.0,
        "easting": 452404.9512,
        "northing": 6510430.2788,
        "existing_z": 190.5611,
        "design_z": 190.6623,
        "delta_z": 0.1012
      },
      {
        "ch": 48.922,
        "easting": 452396.0514,
        "northing": 6510429.8458,
        "existing_z": 191.6212,
        "design_z": 191.3511,
        "delta_z": -0.2702
      },
      {
        "ch": 50.0,
        "easting": 452394.9875,
        "northing": 6510429.6729,
        "existing_z": 191.7526,
        "design_z": 191.4333,
        "delta_z": -0.3193
      },
      {
        "ch": 60.0,
        "easting": 452386.1844,
        "northing": 6510425.2066,
        "existing_z": 193.0198,
        "design_z": 192.104,
        "delta_z": -0.9158
      },
      {
        "ch": 70.0,
        "easting": 452379.6663,
        "northing": 6510417.6294,
        "existing_z": 194.1674,
        "design_z": 192.608,
        "delta_z": -1.5593
      },
      {
        "ch": 75.1447,
        "easting": 452376.3681,
        "northing": 6510413.6811,
        "existing_z": 194.7454,
        "design_z": 192.8024,
        "delta_z": -1.9429
      },
      {
        "ch": 80.0,
        "easting": 452373.2554,
        "northing": 6510409.9548,
        "existing_z": 195.2863,
        "design_z": 192.9454,
        "delta_z": -2.3409
      },
      {
        "ch": 90.0,
        "easting": 452366.9739,
        "northing": 6510402.18,
        "existing_z": 196.3424,
        "design_z": 193.1161,
        "delta_z": -3.2263
      },
      {
        "ch": 100.0,
        "easting": 452363.1579,
        "northing": 6510393.0019,
        "existing_z": 197.0922,
        "design_z": 193.1201,
        "delta_z": -3.9721
      },
      {
        "ch": 101.3674,
        "easting": 452362.9161,
        "northing": 6510391.6562,
        "existing_z": 197.1576,
        "design_z": 193.1077,
        "delta_z": -4.0499
      },
      {
        "ch": 110.0,
        "easting": 452363.0233,
        "northing": 6510383.063,
        "existing_z": 197.2117,
        "design_z": 193.0196,
        "delta_z": -4.1921
      },
      {
        "ch": 120.0,
        "easting": 452366.5893,
        "northing": 6510373.7849,
        "existing_z": 196.796,
        "design_z": 192.9175,
        "delta_z": -3.8786
      },
      {
        "ch": 126.9182,
        "easting": 452370.9626,
        "northing": 6510368.448,
        "existing_z": 196.2253,
        "design_z": 192.8469,
        "delta_z": -3.3784
      },
      {
        "ch": 130.0,
        "easting": 452373.1419,
        "northing": 6510366.2688,
        "existing_z": 195.8989,
        "design_z": 192.8075,
        "delta_z": -3.0915
      },
      {
        "ch": 140.0,
        "easting": 452380.213,
        "northing": 6510359.1978,
        "existing_z": 194.8795,
        "design_z": 192.5707,
        "delta_z": -2.3088
      },
      {
        "ch": 150.0,
        "easting": 452387.2842,
        "northing": 6510352.1269,
        "existing_z": 193.92,
        "design_z": 192.1672,
        "delta_z": -1.7528
      },
      {
        "ch": 150.2894,
        "easting": 452387.4889,
        "northing": 6510351.9222,
        "existing_z": 193.8932,
        "design_z": 192.1531,
        "delta_z": -1.7401
      },
      {
        "ch": 160.0,
        "easting": 452394.3554,
        "northing": 6510345.0559,
        "existing_z": 192.8132,
        "design_z": 191.5971,
        "delta_z": -1.2162
      },
      {
        "ch": 170.0,
        "easting": 452401.4266,
        "northing": 6510337.985,
        "existing_z": 191.6814,
        "design_z": 190.8603,
        "delta_z": -0.8211
      },
      {
        "ch": 173.6607,
        "easting": 452404.0151,
        "northing": 6510335.3965,
        "existing_z": 191.2843,
        "design_z": 190.5489,
        "delta_z": -0.7354
      },
      {
        "ch": 180.0,
        "easting": 452408.4978,
        "northing": 6510330.914,
        "existing_z": 190.6186,
        "design_z": 189.9903,
        "delta_z": -0.6283
      },
      {
        "ch": 190.0,
        "easting": 452415.569,
        "northing": 6510323.8431,
        "existing_z": 189.4305,
        "design_z": 189.1092,
        "delta_z": -0.3213
      },
      {
        "ch": 200.0,
        "easting": 452422.6402,
        "northing": 6510316.7721,
        "existing_z": 188.3069,
        "design_z": 188.2281,
        "delta_z": -0.0788
      },
      {
        "ch": 205.4341,
        "easting": 452426.4827,
        "northing": 6510312.9297,
        "existing_z": 187.7375,
        "design_z": 187.7492,
        "delta_z": 0.0117
      },
      {
        "ch": 210.0,
        "easting": 452429.7113,
        "northing": 6510309.7012,
        "existing_z": 187.2739,
        "design_z": 187.3486,
        "delta_z": 0.0747
      },
      {
        "ch": 220.0,
        "easting": 452436.7825,
        "northing": 6510302.6302,
        "existing_z": 186.1598,
        "design_z": 186.4826,
        "delta_z": 0.3227
      },
      {
        "ch": 225.4341,
        "easting": 452440.6251,
        "northing": 6510298.7878,
        "existing_z": 185.5964,
        "design_z": 186.0186,
        "delta_z": 0.4222
      },
      {
        "ch": 230.0,
        "easting": 452443.8537,
        "northing": 6510295.5593,
        "existing_z": 185.146,
        "design_z": 185.6324,
        "delta_z": 0.4864
      },
      {
        "ch": 240.0,
        "easting": 452450.9249,
        "northing": 6510288.4883,
        "existing_z": 184.2078,
        "design_z": 184.798,
        "delta_z": 0.5902
      },
      {
        "ch": 245.4341,
        "easting": 452454.7675,
        "northing": 6510284.6459,
        "existing_z": 183.7119,
        "design_z": 184.3513,
        "delta_z": 0.6394
      },
      {
        "ch": 250.0,
        "easting": 452457.9961,
        "northing": 6510281.4174,
        "existing_z": 183.3172,
        "design_z": 183.9779,
        "delta_z": 0.6606
      },
      {
        "ch": 260.0,
        "easting": 452465.0673,
        "northing": 6510274.3464,
        "existing_z": 182.5229,
        "design_z": 183.16,
        "delta_z": 0.6371
      },
      {
        "ch": 270.0,
        "easting": 452472.1385,
        "northing": 6510267.2755,
        "existing_z": 181.765,
        "design_z": 182.3422,
        "delta_z": 0.5772
      },
      {
        "ch": 280.0,
        "easting": 452479.2096,
        "northing": 6510260.2045,
        "existing_z": 181.0242,
        "design_z": 181.5243,
        "delta_z": 0.5001
      },
      {
        "ch": 280.5788,
        "easting": 452479.619,
        "northing": 6510259.7952,
        "existing_z": 180.9837,
        "design_z": 181.477,
        "delta_z": 0.4933
      },
      {
        "ch": 290.0,
        "easting": 452486.2808,
        "northing": 6510253.1336,
        "existing_z": 180.3614,
        "design_z": 180.7131,
        "delta_z": 0.3517
      },
      {
        "ch": 300.0,
        "easting": 452493.352,
        "northing": 6510246.0627,
        "existing_z": 179.722,
        "design_z": 179.9168,
        "delta_z": 0.1949
      },
      {
        "ch": 300.5788,
        "easting": 452493.7613,
        "northing": 6510245.6533,
        "existing_z": 179.6861,
        "design_z": 179.8712,
        "delta_z": 0.185
      },
      {
        "ch": 310.0,
        "easting": 452500.4232,
        "northing": 6510238.9917,
        "existing_z": 179.1305,
        "design_z": 179.1354,
        "delta_z": 0.0049
      },
      {
        "ch": 320.0,
        "easting": 452507.4944,
        "northing": 6510231.9208,
        "existing_z": 178.5972,
        "design_z": 178.369,
        "delta_z": -0.2282
      },
      {
        "ch": 320.5788,
        "easting": 452507.9037,
        "northing": 6510231.5114,
        "existing_z": 178.5681,
        "design_z": 178.3251,
        "delta_z": -0.243
      },
      {
        "ch": 330.0,
        "easting": 452514.5656,
        "northing": 6510224.8498,
        "existing_z": 177.9776,
        "design_z": 177.6109,
        "delta_z": -0.3668
      },
      {
        "ch": 340.0,
        "easting": 452521.6368,
        "northing": 6510217.7789,
        "existing_z": 177.3146,
        "design_z": 176.8528,
        "delta_z": -0.4618
      },
      {
        "ch": 350.0,
        "easting": 452528.7079,
        "northing": 6510210.7079,
        "existing_z": 176.6295,
        "design_z": 176.0947,
        "delta_z": -0.5349
      },
      {
        "ch": 355.7236,
        "easting": 452532.7552,
        "northing": 6510206.6608,
        "existing_z": 176.2309,
        "design_z": 175.6608,
        "delta_z": -0.5701
      },
      {
        "ch": 360.0,
        "easting": 452535.7791,
        "northing": 6510203.637,
        "existing_z": 175.9289,
        "design_z": 175.3295,
        "delta_z": -0.5994
      },
      {
        "ch": 370.0,
        "easting": 452542.8503,
        "northing": 6510196.566,
        "existing_z": 175.1679,
        "design_z": 174.5,
        "delta_z": -0.6679
      },
      {
        "ch": 375.7236,
        "easting": 452546.8976,
        "northing": 6510192.5189,
        "existing_z": 174.6977,
        "design_z": 173.9905,
        "delta_z": -0.7071
      },
      {
        "ch": 380.0,
        "easting": 452549.9215,
        "northing": 6510189.4951,
        "existing_z": 174.345,
        "design_z": 173.5934,
        "delta_z": -0.7516
      },
      {
        "ch": 390.0,
        "easting": 452556.9927,
        "northing": 6510182.4241,
        "existing_z": 173.5564,
        "design_z": 172.6099,
        "delta_z": -0.9465
      },
      {
        "ch": 395.7236,
        "easting": 452561.0399,
        "northing": 6510178.377,
        "existing_z": 173.0604,
        "design_z": 172.0123,
        "delta_z": -1.0481
      },
      {
        "ch": 400.0,
        "easting": 452564.0639,
        "northing": 6510175.3532,
        "existing_z": 172.6688,
        "design_z": 171.5564,
        "delta_z": -1.1124
      },
      {
        "ch": 410.0,
        "easting": 452571.1351,
        "northing": 6510168.2822,
        "existing_z": 171.6692,
        "design_z": 170.4903,
        "delta_z": -1.1789
      },
      {
        "ch": 420.0,
        "easting": 452578.2062,
        "northing": 6510161.2113,
        "existing_z": 170.4681,
        "design_z": 169.4241,
        "delta_z": -1.0439
      },
      {
        "ch": 430.0,
        "easting": 452585.2774,
        "northing": 6510154.1403,
        "existing_z": 169.2247,
        "design_z": 168.358,
        "delta_z": -0.8667
      },
      {
        "ch": 430.8683,
        "easting": 452585.8914,
        "northing": 6510153.5263,
        "existing_z": 169.1147,
        "design_z": 168.2655,
        "delta_z": -0.8493
      },
      {
        "ch": 440.0,
        "easting": 452592.3486,
        "northing": 6510147.0694,
        "existing_z": 167.9412,
        "design_z": 167.2638,
        "delta_z": -0.6774
      },
      {
        "ch": 450.0,
        "easting": 452599.4198,
        "northing": 6510139.9984,
        "existing_z": 166.6042,
        "design_z": 166.1024,
        "delta_z": -0.5018
      },
      {
        "ch": 450.8683,
        "easting": 452600.0338,
        "northing": 6510139.3844,
        "existing_z": 166.487,
        "design_z": 165.9984,
        "delta_z": -0.4886
      },
      {
        "ch": 460.0,
        "easting": 452606.491,
        "northing": 6510132.9275,
        "existing_z": 165.2418,
        "design_z": 164.8736,
        "delta_z": -0.3682
      },
      {
        "ch": 470.0,
        "easting": 452613.5622,
        "northing": 6510125.8565,
        "existing_z": 163.8871,
        "design_z": 163.5774,
        "delta_z": -0.3098
      },
      {
        "ch": 470.8683,
        "easting": 452614.1761,
        "northing": 6510125.2425,
        "existing_z": 163.7692,
        "design_z": 163.4617,
        "delta_z": -0.3076
      },
      {
        "ch": 480.0,
        "easting": 452620.6334,
        "northing": 6510118.7856,
        "existing_z": 162.5093,
        "design_z": 162.2419,
        "delta_z": -0.2674
      },
      {
        "ch": 490.0,
        "easting": 452627.7045,
        "northing": 6510111.7146,
        "existing_z": 161.0879,
        "design_z": 160.9061,
        "delta_z": -0.1818
      },
      {
        "ch": 500.0,
        "easting": 452634.7757,
        "northing": 6510104.6437,
        "existing_z": 159.6706,
        "design_z": 159.5703,
        "delta_z": -0.1003
      },
      {
        "ch": 510.0,
        "easting": 452641.8469,
        "northing": 6510097.5727,
        "existing_z": 158.2312,
        "design_z": 158.2346,
        "delta_z": 0.0034
      },
      {
        "ch": 520.0,
        "easting": 452648.9181,
        "northing": 6510090.5018,
        "existing_z": 156.7626,
        "design_z": 156.8988,
        "delta_z": 0.1362
      },
      {
        "ch": 526.013,
        "easting": 452653.17,
        "northing": 6510086.25,
        "existing_z": 156.0956,
        "design_z": 156.0956,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD132",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 29.078,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 11.44,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450210.0,
          6510270.0
        ],
        "end": [
          450190.24649742397,
          6510289.753502576
        ],
        "chainage_start": 0,
        "length": 27.93567124714634
      },
      {
        "type": "ARC",
        "centre": [
          450190.84159484797,
          6510290.348599999
        ],
        "radius": 0.8415948479188075,
        "start_angle_rad": -2.3561944905835928,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450190.24649742397,
          6510289.753502576
        ],
        "end": [
          450190.0,
          6510290.3486
        ],
        "chainage_start": 27.93567124714634,
        "length": 0.6609870478801863,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450190.00000000006,
          6510290.348599999
        ],
        "end": [
          450190.0,
          6510290.83
        ],
        "chainage_start": 28.59665829502653,
        "length": 0.48140000086277723
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450210.0,
        "northing": 6510270.0,
        "existing_z": 165.4628,
        "design_z": 165.4628,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450202.9289,
        "northing": 6510277.0711,
        "existing_z": 166.9452,
        "design_z": 166.607,
        "delta_z": -0.3383
      },
      {
        "ch": 20.0,
        "easting": 450195.8579,
        "northing": 6510284.1421,
        "existing_z": 168.0711,
        "design_z": 167.7511,
        "delta_z": -0.32
      },
      {
        "ch": 29.0781,
        "easting": 450190.0,
        "northing": 6510290.83,
        "existing_z": 168.7898,
        "design_z": 168.7898,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD133",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 20.543,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 10.12,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450190.0,
          6510290.83
        ],
        "end": [
          450204.52595238044,
          6510276.30404762
        ],
        "chainage_start": 0,
        "length": 20.542798862600453
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450190.0,
        "northing": 6510290.83,
        "existing_z": 168.7898,
        "design_z": 168.7898,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450197.0711,
        "northing": 6510283.7589,
        "existing_z": 167.9511,
        "design_z": 167.7781,
        "delta_z": -0.173
      },
      {
        "ch": 20.0,
        "easting": 450204.1421,
        "northing": 6510276.6879,
        "existing_z": 166.7849,
        "design_z": 166.7663,
        "delta_z": -0.0186
      },
      {
        "ch": 20.5428,
        "easting": 450204.526,
        "northing": 6510276.304,
        "existing_z": 166.7114,
        "design_z": 166.7114,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD134",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 456.675,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 18.71,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450170.0,
          6510410.0
        ],
        "end": [
          450204.68890777335,
          6510410.0
        ],
        "chainage_start": 0,
        "length": 34.688907773350365
      },
      {
        "type": "ARC",
        "centre": [
          450204.68890777335,
          6510412.605333816
        ],
        "radius": 2.605333816572337,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 2.2294813366093313,
        "start": [
          450204.68890777335,
          6510410.0
        ],
        "end": [
          450206.7492,
          6510414.2
        ],
        "chainage_start": 34.688907773350365,
        "length": 5.808543119685185,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450206.7492,
          6510414.199999999
        ],
        "end": [
          450202.26,
          6510420.0
        ],
        "chainage_start": 40.49745089303555,
        "length": 7.334365456448193
      },
      {
        "type": "LINE",
        "start": [
          450202.26,
          6510420.0
        ],
        "end": [
          450491.35599999997,
          6510130.904
        ],
        "chainage_start": 47.831816349483745,
        "length": 408.84348402771644
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 76.1125500628667,
        "pvi_z": 182.61843437288692,
        "bvc": 41.861902534576686,
        "evc": 110.36319759115672,
        "length": 68.50129505658003,
        "g1": 0.019523361440498207,
        "g2": -0.10492938630145411,
        "z_bvc": 181.949746601621,
        "K_m_per_percent": 5.504201096356239
      },
      {
        "pvi_ch": 152.2251001257334,
        "pvi_z": 174.63199120495162,
        "bvc": 127.58702346631264,
        "evc": 176.86317678515417,
        "length": 49.27615331884152,
        "g1": -0.10492938630145411,
        "g2": -0.18705630849952332,
        "z_bvc": 177.21724946847283,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 228.3376501886001,
        "pvi_z": 160.3946585597066,
        "bvc": 208.3376501886001,
        "evc": 248.3376501886001,
        "length": 40.0,
        "g1": -0.18705630849952332,
        "g2": -0.14880083268071206,
        "z_bvc": 164.1357847296971,
        "K_m_per_percent": 10.456019470114894
      },
      {
        "pvi_ch": 304.4502002514668,
        "pvi_z": 149.06904773289966,
        "bvc": 284.4502002514668,
        "evc": 324.4502002514668,
        "length": 40.0,
        "g1": -0.14880083268071206,
        "g2": -0.094032736435127,
        "z_bvc": 152.0450643865139,
        "K_m_per_percent": 7.303522076180338
      },
      {
        "pvi_ch": 380.5627503143335,
        "pvi_z": 141.9119763734327,
        "bvc": 360.5627503143335,
        "evc": 400.5627503143335,
        "length": 40.0,
        "g1": -0.094032736435127,
        "g2": -0.07933488205347132,
        "z_bvc": 143.79263110213526,
        "K_m_per_percent": 27.214856645963113
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450170.0,
        "northing": 6510410.0,
        "existing_z": 181.1325,
        "design_z": 181.1325,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450180.0,
        "northing": 6510410.0,
        "existing_z": 182.1209,
        "design_z": 181.3277,
        "delta_z": -0.7932
      },
      {
        "ch": 20.0,
        "easting": 450190.0,
        "northing": 6510410.0,
        "existing_z": 183.1094,
        "design_z": 181.5229,
        "delta_z": -1.5864
      },
      {
        "ch": 30.0,
        "easting": 450200.0,
        "northing": 6510410.0,
        "existing_z": 184.309,
        "design_z": 181.7182,
        "delta_z": -2.5908
      },
      {
        "ch": 40.0,
        "easting": 450207.0144,
        "northing": 6510413.78,
        "existing_z": 186.0181,
        "design_z": 181.9134,
        "delta_z": -4.1047
      },
      {
        "ch": 41.8619,
        "easting": 450205.914,
        "northing": 6510415.279,
        "existing_z": 186.2254,
        "design_z": 181.9497,
        "delta_z": -4.2757
      },
      {
        "ch": 50.0,
        "easting": 450203.7931,
        "northing": 6510418.4669,
        "existing_z": 186.685,
        "design_z": 182.0485,
        "delta_z": -4.6365
      },
      {
        "ch": 60.0,
        "easting": 450210.8642,
        "northing": 6510411.3958,
        "existing_z": 185.9143,
        "design_z": 182.005,
        "delta_z": -3.9093
      },
      {
        "ch": 70.0,
        "easting": 450217.9353,
        "northing": 6510404.3247,
        "existing_z": 185.1761,
        "design_z": 181.7799,
        "delta_z": -3.3962
      },
      {
        "ch": 76.1126,
        "easting": 450222.2575,
        "northing": 6510400.0025,
        "existing_z": 184.746,
        "design_z": 181.5528,
        "delta_z": -3.1932
      },
      {
        "ch": 80.0,
        "easting": 450225.0063,
        "northing": 6510397.2537,
        "existing_z": 184.4663,
        "design_z": 181.3731,
        "delta_z": -3.0933
      },
      {
        "ch": 90.0,
        "easting": 450232.0774,
        "northing": 6510390.1826,
        "existing_z": 183.5908,
        "design_z": 180.7846,
        "delta_z": -2.8062
      },
      {
        "ch": 100.0,
        "easting": 450239.1485,
        "northing": 6510383.1115,
        "existing_z": 182.7118,
        "design_z": 180.0144,
        "delta_z": -2.6974
      },
      {
        "ch": 110.0,
        "easting": 450246.2195,
        "northing": 6510376.0405,
        "existing_z": 181.9193,
        "design_z": 179.0625,
        "delta_z": -2.8568
      },
      {
        "ch": 110.3632,
        "easting": 450246.4764,
        "northing": 6510375.7836,
        "existing_z": 181.892,
        "design_z": 179.0245,
        "delta_z": -2.8675
      },
      {
        "ch": 120.0,
        "easting": 450253.2906,
        "northing": 6510368.9694,
        "existing_z": 180.8851,
        "design_z": 178.0134,
        "delta_z": -2.8717
      },
      {
        "ch": 127.587,
        "easting": 450258.6554,
        "northing": 6510363.6046,
        "existing_z": 179.8784,
        "design_z": 177.2172,
        "delta_z": -2.6611
      },
      {
        "ch": 130.0,
        "easting": 450260.3617,
        "northing": 6510361.8983,
        "existing_z": 179.5598,
        "design_z": 176.9592,
        "delta_z": -2.6006
      },
      {
        "ch": 140.0,
        "easting": 450267.4327,
        "northing": 6510354.8273,
        "existing_z": 178.2481,
        "design_z": 175.7864,
        "delta_z": -2.4618
      },
      {
        "ch": 150.0,
        "easting": 450274.5038,
        "northing": 6510347.7562,
        "existing_z": 176.4359,
        "design_z": 174.4469,
        "delta_z": -1.9891
      },
      {
        "ch": 152.2251,
        "easting": 450276.0772,
        "northing": 6510346.1828,
        "existing_z": 175.9531,
        "design_z": 174.1261,
        "delta_z": -1.827
      },
      {
        "ch": 160.0,
        "easting": 450281.5749,
        "northing": 6510340.6851,
        "existing_z": 174.277,
        "design_z": 172.9407,
        "delta_z": -1.3363
      },
      {
        "ch": 170.0,
        "easting": 450288.646,
        "northing": 6510333.614,
        "existing_z": 172.1464,
        "design_z": 171.2678,
        "delta_z": -0.8786
      },
      {
        "ch": 176.8632,
        "easting": 450293.4989,
        "northing": 6510328.7611,
        "existing_z": 170.5752,
        "design_z": 170.0233,
        "delta_z": -0.5519
      },
      {
        "ch": 180.0,
        "easting": 450295.717,
        "northing": 6510326.543,
        "existing_z": 169.8329,
        "design_z": 169.4365,
        "delta_z": -0.3963
      },
      {
        "ch": 190.0,
        "easting": 450302.7881,
        "northing": 6510319.4719,
        "existing_z": 167.5302,
        "design_z": 167.566,
        "delta_z": 0.0357
      },
      {
        "ch": 200.0,
        "easting": 450309.8592,
        "northing": 6510312.4008,
        "existing_z": 165.3248,
        "design_z": 165.6954,
        "delta_z": 0.3706
      },
      {
        "ch": 208.3377,
        "easting": 450315.7548,
        "northing": 6510306.5052,
        "existing_z": 163.5801,
        "design_z": 164.1358,
        "delta_z": 0.5557
      },
      {
        "ch": 210.0,
        "easting": 450316.9302,
        "northing": 6510305.3298,
        "existing_z": 163.2318,
        "design_z": 163.8262,
        "delta_z": 0.5943
      },
      {
        "ch": 220.0,
        "easting": 450324.0013,
        "northing": 6510298.2587,
        "existing_z": 161.1808,
        "design_z": 162.0193,
        "delta_z": 0.8385
      },
      {
        "ch": 228.3377,
        "easting": 450329.8969,
        "northing": 6510292.3631,
        "existing_z": 159.5285,
        "design_z": 160.5859,
        "delta_z": 1.0574
      },
      {
        "ch": 230.0,
        "easting": 450331.0724,
        "northing": 6510291.1876,
        "existing_z": 159.2273,
        "design_z": 160.3081,
        "delta_z": 1.0808
      },
      {
        "ch": 240.0,
        "easting": 450338.1434,
        "northing": 6510284.1166,
        "existing_z": 157.3755,
        "design_z": 158.6925,
        "delta_z": 1.3171
      },
      {
        "ch": 248.3377,
        "easting": 450344.039,
        "northing": 6510278.221,
        "existing_z": 155.8588,
        "design_z": 157.4186,
        "delta_z": 1.5598
      },
      {
        "ch": 250.0,
        "easting": 450345.2145,
        "northing": 6510277.0455,
        "existing_z": 155.5609,
        "design_z": 157.1713,
        "delta_z": 1.6104
      },
      {
        "ch": 260.0,
        "easting": 450352.2856,
        "northing": 6510269.9744,
        "existing_z": 153.8416,
        "design_z": 155.6833,
        "delta_z": 1.8417
      },
      {
        "ch": 270.0,
        "easting": 450359.3566,
        "northing": 6510262.9034,
        "existing_z": 152.3351,
        "design_z": 154.1953,
        "delta_z": 1.8602
      },
      {
        "ch": 280.0,
        "easting": 450366.4277,
        "northing": 6510255.8323,
        "existing_z": 150.9044,
        "design_z": 152.7073,
        "delta_z": 1.8029
      },
      {
        "ch": 284.4502,
        "easting": 450369.5745,
        "northing": 6510252.6855,
        "existing_z": 150.292,
        "design_z": 152.0451,
        "delta_z": 1.7531
      },
      {
        "ch": 290.0,
        "easting": 450373.4988,
        "northing": 6510248.7612,
        "existing_z": 149.6488,
        "design_z": 151.2403,
        "delta_z": 1.5915
      },
      {
        "ch": 300.0,
        "easting": 450380.5698,
        "northing": 6510241.6902,
        "existing_z": 148.6532,
        "design_z": 149.8968,
        "delta_z": 1.2436
      },
      {
        "ch": 304.4502,
        "easting": 450383.7166,
        "northing": 6510238.5434,
        "existing_z": 148.2206,
        "design_z": 149.3429,
        "delta_z": 1.1222
      },
      {
        "ch": 310.0,
        "easting": 450387.6409,
        "northing": 6510234.6191,
        "existing_z": 147.6903,
        "design_z": 148.6901,
        "delta_z": 0.9998
      },
      {
        "ch": 320.0,
        "easting": 450394.712,
        "northing": 6510227.548,
        "existing_z": 146.7921,
        "design_z": 147.6204,
        "delta_z": 0.8283
      },
      {
        "ch": 324.4502,
        "easting": 450397.8587,
        "northing": 6510224.4013,
        "existing_z": 146.4215,
        "design_z": 147.1884,
        "delta_z": 0.7669
      },
      {
        "ch": 330.0,
        "easting": 450401.783,
        "northing": 6510220.477,
        "existing_z": 145.9603,
        "design_z": 146.6665,
        "delta_z": 0.7062
      },
      {
        "ch": 340.0,
        "easting": 450408.8541,
        "northing": 6510213.4059,
        "existing_z": 145.1321,
        "design_z": 145.7262,
        "delta_z": 0.5941
      },
      {
        "ch": 350.0,
        "easting": 450415.9252,
        "northing": 6510206.3348,
        "existing_z": 144.2912,
        "design_z": 144.7859,
        "delta_z": 0.4946
      },
      {
        "ch": 360.0,
        "easting": 450422.9962,
        "northing": 6510199.2638,
        "existing_z": 143.4774,
        "design_z": 143.8455,
        "delta_z": 0.3681
      },
      {
        "ch": 360.5628,
        "easting": 450423.3942,
        "northing": 6510198.8658,
        "existing_z": 143.4317,
        "design_z": 143.7926,
        "delta_z": 0.3609
      },
      {
        "ch": 370.0,
        "easting": 450430.0673,
        "northing": 6510192.1927,
        "existing_z": 142.667,
        "design_z": 142.9216,
        "delta_z": 0.2546
      },
      {
        "ch": 380.0,
        "easting": 450437.1384,
        "northing": 6510185.1216,
        "existing_z": 141.846,
        "design_z": 142.0343,
        "delta_z": 0.1883
      },
      {
        "ch": 380.5628,
        "easting": 450437.5363,
        "northing": 6510184.7237,
        "existing_z": 141.7998,
        "design_z": 141.9855,
        "delta_z": 0.1856
      },
      {
        "ch": 390.0,
        "easting": 450444.2094,
        "northing": 6510178.0506,
        "existing_z": 141.0223,
        "design_z": 141.1838,
        "delta_z": 0.1615
      },
      {
        "ch": 400.0,
        "easting": 450451.2805,
        "northing": 6510170.9795,
        "existing_z": 140.1985,
        "design_z": 140.37,
        "delta_z": 0.1715
      },
      {
        "ch": 400.5628,
        "easting": 450451.6784,
        "northing": 6510170.5816,
        "existing_z": 140.1539,
        "design_z": 140.3253,
        "delta_z": 0.1714
      },
      {
        "ch": 410.0,
        "easting": 450458.3516,
        "northing": 6510163.9084,
        "existing_z": 139.3824,
        "design_z": 139.5766,
        "delta_z": 0.1942
      },
      {
        "ch": 420.0,
        "easting": 450465.4226,
        "northing": 6510156.8374,
        "existing_z": 138.565,
        "design_z": 138.7832,
        "delta_z": 0.2182
      },
      {
        "ch": 430.0,
        "easting": 450472.4937,
        "northing": 6510149.7663,
        "existing_z": 137.7755,
        "design_z": 137.9899,
        "delta_z": 0.2143
      },
      {
        "ch": 440.0,
        "easting": 450479.5648,
        "northing": 6510142.6952,
        "existing_z": 137.0524,
        "design_z": 137.1965,
        "delta_z": 0.1441
      },
      {
        "ch": 450.0,
        "easting": 450486.6358,
        "northing": 6510135.6242,
        "existing_z": 136.3358,
        "design_z": 136.4032,
        "delta_z": 0.0673
      },
      {
        "ch": 456.6753,
        "easting": 450491.356,
        "northing": 6510130.904,
        "existing_z": 135.8736,
        "design_z": 135.8736,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD135",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 390.922,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.48,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450779.74,
          6510281.99
        ],
        "end": [
          450820.7518,
          6510240.9782
        ],
        "chainage_start": 0,
        "length": 57.999443777672774
      },
      {
        "type": "ARC",
        "centre": [
          450850.45,
          6510270.6764
        ],
        "radius": 41.99959721809788,
        "start_angle_rad": -2.356194490184505,
        "sweep_rad": 1.5707963267940854,
        "start": [
          450820.7518,
          6510240.9782
        ],
        "end": [
          450880.1482,
          6510240.978200001
        ],
        "chainage_start": 57.999443777672774,
        "length": 65.97281303701924,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450880.1482000002,
          6510240.978200001
        ],
        "end": [
          451068.91000000015,
          6510429.74
        ],
        "chainage_start": 123.972256814692,
        "length": 266.9494976175567
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 78.18435088644974,
        "pvi_z": 138.81086885933084,
        "bvc": 58.184350886449735,
        "evc": 98.18435088644974,
        "length": 40.0,
        "g1": -0.007604359446997276,
        "g2": 0.02611825637263767,
        "z_bvc": 138.9629560482708,
        "K_m_per_percent": 11.861476053322665
      },
      {
        "pvi_ch": 156.36870177289947,
        "pvi_z": 140.8529077801114,
        "bvc": 136.36870177289947,
        "evc": 176.36870177289947,
        "length": 40.0,
        "g1": 0.02611825637263767,
        "g2": 0.034391175074636675,
        "z_bvc": 140.33054265265864,
        "K_m_per_percent": 48.35052952996469
      },
      {
        "pvi_ch": 234.5530526593492,
        "pvi_z": 143.5417594795441,
        "bvc": 214.5530526593492,
        "evc": 254.5530526593492,
        "length": 40.0,
        "g1": 0.034391175074636675,
        "g2": 0.0518612979883744,
        "z_bvc": 142.85393597805137,
        "K_m_per_percent": 22.89623272687211
      },
      {
        "pvi_ch": 312.73740354579894,
        "pvi_z": 147.5965013988939,
        "bvc": 292.73740354579894,
        "evc": 332.73740354579894,
        "length": 40.0,
        "g1": 0.0518612979883744,
        "g2": 0.07477282157864706,
        "z_bvc": 146.55927543912642,
        "K_m_per_percent": 17.45846357288191
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450779.74,
        "northing": 6510281.99,
        "existing_z": 139.4054,
        "design_z": 139.4054,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450786.8111,
        "northing": 6510274.9189,
        "existing_z": 139.0216,
        "design_z": 139.3294,
        "delta_z": 0.3077
      },
      {
        "ch": 20.0,
        "easting": 450793.8821,
        "northing": 6510267.8479,
        "existing_z": 138.6725,
        "design_z": 139.2533,
        "delta_z": 0.5808
      },
      {
        "ch": 30.0,
        "easting": 450800.9532,
        "northing": 6510260.7768,
        "existing_z": 138.3982,
        "design_z": 139.1773,
        "delta_z": 0.7791
      },
      {
        "ch": 40.0,
        "easting": 450808.0243,
        "northing": 6510253.7057,
        "existing_z": 138.1643,
        "design_z": 139.1012,
        "delta_z": 0.937
      },
      {
        "ch": 50.0,
        "easting": 450815.0953,
        "northing": 6510246.6347,
        "existing_z": 138.0586,
        "design_z": 139.0252,
        "delta_z": 0.9666
      },
      {
        "ch": 58.1844,
        "easting": 450820.8828,
        "northing": 6510240.8477,
        "existing_z": 138.0174,
        "design_z": 138.963,
        "delta_z": 0.9455
      },
      {
        "ch": 60.0,
        "easting": 450822.1996,
        "northing": 6510239.5978,
        "existing_z": 138.009,
        "design_z": 138.9505,
        "delta_z": 0.9415
      },
      {
        "ch": 70.0,
        "easting": 450830.3266,
        "northing": 6510233.8116,
        "existing_z": 137.9897,
        "design_z": 138.932,
        "delta_z": 0.9422
      },
      {
        "ch": 78.1844,
        "easting": 450837.8458,
        "northing": 6510230.6127,
        "existing_z": 138.1184,
        "design_z": 138.9795,
        "delta_z": 0.8611
      },
      {
        "ch": 80.0,
        "easting": 450839.589,
        "northing": 6510230.1054,
        "existing_z": 138.1495,
        "design_z": 138.9977,
        "delta_z": 0.8482
      },
      {
        "ch": 90.0,
        "easting": 450849.4642,
        "northing": 6510228.6884,
        "existing_z": 138.3415,
        "design_z": 139.1477,
        "delta_z": 0.8062
      },
      {
        "ch": 98.1844,
        "easting": 450857.6133,
        "northing": 6510229.2922,
        "existing_z": 138.6115,
        "design_z": 139.3332,
        "delta_z": 0.7217
      },
      {
        "ch": 100.0,
        "easting": 450859.3951,
        "northing": 6510229.6404,
        "existing_z": 138.6775,
        "design_z": 139.3807,
        "delta_z": 0.7032
      },
      {
        "ch": 110.0,
        "easting": 450868.8213,
        "northing": 6510232.9079,
        "existing_z": 139.0696,
        "design_z": 139.6418,
        "delta_z": 0.5722
      },
      {
        "ch": 120.0,
        "easting": 450877.2108,
        "northing": 6510238.3063,
        "existing_z": 139.4538,
        "design_z": 139.903,
        "delta_z": 0.4492
      },
      {
        "ch": 130.0,
        "easting": 450884.4105,
        "northing": 6510245.2405,
        "existing_z": 139.8663,
        "design_z": 140.1642,
        "delta_z": 0.2979
      },
      {
        "ch": 136.3687,
        "easting": 450888.9138,
        "northing": 6510249.7438,
        "existing_z": 140.1425,
        "design_z": 140.3305,
        "delta_z": 0.1881
      },
      {
        "ch": 140.0,
        "easting": 450891.4815,
        "northing": 6510252.3115,
        "existing_z": 140.2878,
        "design_z": 140.4267,
        "delta_z": 0.1389
      },
      {
        "ch": 150.0,
        "easting": 450898.5526,
        "northing": 6510259.3826,
        "existing_z": 140.6645,
        "design_z": 140.7058,
        "delta_z": 0.0413
      },
      {
        "ch": 156.3687,
        "easting": 450903.0559,
        "northing": 6510263.8859,
        "existing_z": 140.9151,
        "design_z": 140.8943,
        "delta_z": -0.0209
      },
      {
        "ch": 160.0,
        "easting": 450905.6237,
        "northing": 6510266.4537,
        "existing_z": 141.0618,
        "design_z": 141.0055,
        "delta_z": -0.0563
      },
      {
        "ch": 170.0,
        "easting": 450912.6947,
        "northing": 6510273.5247,
        "existing_z": 141.43,
        "design_z": 141.3259,
        "delta_z": -0.1041
      },
      {
        "ch": 176.3687,
        "easting": 450917.1981,
        "northing": 6510278.0281,
        "existing_z": 141.6215,
        "design_z": 141.5407,
        "delta_z": -0.0808
      },
      {
        "ch": 180.0,
        "easting": 450919.7658,
        "northing": 6510280.5958,
        "existing_z": 141.7318,
        "design_z": 141.6656,
        "delta_z": -0.0661
      },
      {
        "ch": 190.0,
        "easting": 450926.8369,
        "northing": 6510287.6669,
        "existing_z": 142.0394,
        "design_z": 142.0095,
        "delta_z": -0.0298
      },
      {
        "ch": 200.0,
        "easting": 450933.9079,
        "northing": 6510294.7379,
        "existing_z": 142.3041,
        "design_z": 142.3534,
        "delta_z": 0.0493
      },
      {
        "ch": 210.0,
        "easting": 450940.979,
        "northing": 6510301.809,
        "existing_z": 142.553,
        "design_z": 142.6974,
        "delta_z": 0.1443
      },
      {
        "ch": 214.5531,
        "easting": 450944.1985,
        "northing": 6510305.0285,
        "existing_z": 142.6737,
        "design_z": 142.8539,
        "delta_z": 0.1802
      },
      {
        "ch": 220.0,
        "easting": 450948.0501,
        "northing": 6510308.8801,
        "existing_z": 142.8241,
        "design_z": 143.0477,
        "delta_z": 0.2236
      },
      {
        "ch": 230.0,
        "easting": 450955.1211,
        "northing": 6510315.9511,
        "existing_z": 143.1198,
        "design_z": 143.4373,
        "delta_z": 0.3175
      },
      {
        "ch": 234.5531,
        "easting": 450958.3406,
        "northing": 6510319.1706,
        "existing_z": 143.2615,
        "design_z": 143.6291,
        "delta_z": 0.3676
      },
      {
        "ch": 240.0,
        "easting": 450962.1922,
        "northing": 6510323.0222,
        "existing_z": 143.4366,
        "design_z": 143.8705,
        "delta_z": 0.4339
      },
      {
        "ch": 250.0,
        "easting": 450969.2633,
        "northing": 6510330.0933,
        "existing_z": 143.7741,
        "design_z": 144.3474,
        "delta_z": 0.5733
      },
      {
        "ch": 254.5531,
        "easting": 450972.4828,
        "northing": 6510333.3128,
        "existing_z": 143.9697,
        "design_z": 144.579,
        "delta_z": 0.6093
      },
      {
        "ch": 260.0,
        "easting": 450976.3343,
        "northing": 6510337.1643,
        "existing_z": 144.2158,
        "design_z": 144.8615,
        "delta_z": 0.6457
      },
      {
        "ch": 270.0,
        "easting": 450983.4054,
        "northing": 6510344.2354,
        "existing_z": 144.685,
        "design_z": 145.3801,
        "delta_z": 0.6951
      },
      {
        "ch": 280.0,
        "easting": 450990.4765,
        "northing": 6510351.3065,
        "existing_z": 145.1872,
        "design_z": 145.8987,
        "delta_z": 0.7115
      },
      {
        "ch": 290.0,
        "easting": 450997.5475,
        "northing": 6510358.3775,
        "existing_z": 145.7839,
        "design_z": 146.4173,
        "delta_z": 0.6334
      },
      {
        "ch": 292.7374,
        "easting": 450999.4832,
        "northing": 6510360.3132,
        "existing_z": 145.9493,
        "design_z": 146.5593,
        "delta_z": 0.61
      },
      {
        "ch": 300.0,
        "easting": 451004.6186,
        "northing": 6510365.4486,
        "existing_z": 146.3922,
        "design_z": 146.951,
        "delta_z": 0.5589
      },
      {
        "ch": 310.0,
        "easting": 451011.6897,
        "northing": 6510372.5197,
        "existing_z": 147.0328,
        "design_z": 147.5399,
        "delta_z": 0.5071
      },
      {
        "ch": 312.7374,
        "easting": 451013.6253,
        "northing": 6510374.4553,
        "existing_z": 147.2229,
        "design_z": 147.7111,
        "delta_z": 0.4881
      },
      {
        "ch": 320.0,
        "easting": 451018.7607,
        "northing": 6510379.5907,
        "existing_z": 147.7305,
        "design_z": 148.186,
        "delta_z": 0.4555
      },
      {
        "ch": 330.0,
        "easting": 451025.8318,
        "northing": 6510386.6618,
        "existing_z": 148.4363,
        "design_z": 148.8894,
        "delta_z": 0.4531
      },
      {
        "ch": 332.7374,
        "easting": 451027.7675,
        "northing": 6510388.5975,
        "existing_z": 148.631,
        "design_z": 149.092,
        "delta_z": 0.461
      },
      {
        "ch": 340.0,
        "easting": 451032.9029,
        "northing": 6510393.7329,
        "existing_z": 149.1621,
        "design_z": 149.635,
        "delta_z": 0.4729
      },
      {
        "ch": 350.0,
        "easting": 451039.9739,
        "northing": 6510400.8039,
        "existing_z": 149.9234,
        "design_z": 150.3827,
        "delta_z": 0.4593
      },
      {
        "ch": 360.0,
        "easting": 451047.045,
        "northing": 6510407.875,
        "existing_z": 150.7159,
        "design_z": 151.1305,
        "delta_z": 0.4146
      },
      {
        "ch": 370.0,
        "easting": 451054.1161,
        "northing": 6510414.9461,
        "existing_z": 151.5459,
        "design_z": 151.8782,
        "delta_z": 0.3323
      },
      {
        "ch": 380.0,
        "easting": 451061.1872,
        "northing": 6510422.0172,
        "existing_z": 152.423,
        "design_z": 152.6259,
        "delta_z": 0.2029
      },
      {
        "ch": 390.0,
        "easting": 451068.2582,
        "northing": 6510429.0882,
        "existing_z": 153.354,
        "design_z": 153.3736,
        "delta_z": 0.0196
      },
      {
        "ch": 390.9218,
        "easting": 451068.91,
        "northing": 6510429.74,
        "existing_z": 153.4426,
        "design_z": 153.4426,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD136",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 281.19,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 7.45,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452810.0,
          6510210.0
        ],
        "end": [
          452612.2992708679,
          6510409.955718775
        ],
        "chainage_start": 0,
        "length": 281.1900918779059
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.29752296947647,
        "pvi_z": 168.54541454721044,
        "bvc": 50.297522969476475,
        "evc": 90.29752296947647,
        "length": 40.0,
        "g1": 0.07447773225749027,
        "g2": 0.051971521975571845,
        "z_bvc": 167.05585990206063,
        "K_m_per_percent": 17.772872242349994
      },
      {
        "pvi_ch": 140.59504593895295,
        "pvi_z": 172.19888380704685,
        "bvc": 120.59504593895295,
        "evc": 160.59504593895295,
        "length": 40.0,
        "g1": 0.051971521975571845,
        "g2": 0.016810057752238004,
        "z_bvc": 171.1594533675354,
        "K_m_per_percent": 11.376090525108227
      },
      {
        "pvi_ch": 210.89256890842944,
        "pvi_z": 173.38058922800303,
        "bvc": 190.89256890842944,
        "evc": 230.89256890842944,
        "length": 40.0,
        "g1": 0.016810057752238004,
        "g2": 0.001100647716468987,
        "z_bvc": 173.04438807295827,
        "K_m_per_percent": 25.46244569905766
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452810.0,
        "northing": 6510210.0,
        "existing_z": 163.3098,
        "design_z": 163.3098,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452802.9691,
        "northing": 6510217.1111,
        "existing_z": 164.003,
        "design_z": 164.0546,
        "delta_z": 0.0516
      },
      {
        "ch": 20.0,
        "easting": 452795.9383,
        "northing": 6510224.2221,
        "existing_z": 164.7262,
        "design_z": 164.7994,
        "delta_z": 0.0732
      },
      {
        "ch": 30.0,
        "easting": 452788.9074,
        "northing": 6510231.3332,
        "existing_z": 165.4817,
        "design_z": 165.5441,
        "delta_z": 0.0625
      },
      {
        "ch": 40.0,
        "easting": 452781.8766,
        "northing": 6510238.4442,
        "existing_z": 166.2965,
        "design_z": 166.2889,
        "delta_z": -0.0076
      },
      {
        "ch": 50.0,
        "easting": 452774.8457,
        "northing": 6510245.5553,
        "existing_z": 167.1452,
        "design_z": 167.0337,
        "delta_z": -0.1115
      },
      {
        "ch": 50.2975,
        "easting": 452774.6365,
        "northing": 6510245.7668,
        "existing_z": 167.171,
        "design_z": 167.0559,
        "delta_z": -0.1151
      },
      {
        "ch": 60.0,
        "easting": 452767.8149,
        "northing": 6510252.6663,
        "existing_z": 167.99,
        "design_z": 167.752,
        "delta_z": -0.238
      },
      {
        "ch": 70.0,
        "easting": 452760.784,
        "northing": 6510259.7774,
        "existing_z": 168.7823,
        "design_z": 168.414,
        "delta_z": -0.3682
      },
      {
        "ch": 70.2975,
        "easting": 452760.5748,
        "northing": 6510259.9889,
        "existing_z": 168.8058,
        "design_z": 168.4329,
        "delta_z": -0.3729
      },
      {
        "ch": 80.0,
        "easting": 452753.7531,
        "northing": 6510266.8884,
        "existing_z": 169.5726,
        "design_z": 169.0198,
        "delta_z": -0.5527
      },
      {
        "ch": 90.0,
        "easting": 452746.7223,
        "northing": 6510273.9995,
        "existing_z": 170.2445,
        "design_z": 169.5694,
        "delta_z": -0.6751
      },
      {
        "ch": 90.2975,
        "easting": 452746.5131,
        "northing": 6510274.211,
        "existing_z": 170.2616,
        "design_z": 169.5848,
        "delta_z": -0.6767
      },
      {
        "ch": 100.0,
        "easting": 452739.6914,
        "northing": 6510281.1105,
        "existing_z": 170.8204,
        "design_z": 170.0891,
        "delta_z": -0.7313
      },
      {
        "ch": 110.0,
        "easting": 452732.6606,
        "northing": 6510288.2216,
        "existing_z": 171.399,
        "design_z": 170.6088,
        "delta_z": -0.7902
      },
      {
        "ch": 120.0,
        "easting": 452725.6297,
        "northing": 6510295.3326,
        "existing_z": 171.8737,
        "design_z": 171.1285,
        "delta_z": -0.7451
      },
      {
        "ch": 120.595,
        "easting": 452725.2113,
        "northing": 6510295.7558,
        "existing_z": 171.8994,
        "design_z": 171.1595,
        "delta_z": -0.74
      },
      {
        "ch": 130.0,
        "easting": 452718.5989,
        "northing": 6510302.4437,
        "existing_z": 172.301,
        "design_z": 171.6094,
        "delta_z": -0.6916
      },
      {
        "ch": 140.0,
        "easting": 452711.568,
        "northing": 6510309.5547,
        "existing_z": 172.7161,
        "design_z": 172.0025,
        "delta_z": -0.7137
      },
      {
        "ch": 140.595,
        "easting": 452711.1496,
        "northing": 6510309.9779,
        "existing_z": 172.7405,
        "design_z": 172.0231,
        "delta_z": -0.7174
      },
      {
        "ch": 150.0,
        "easting": 452704.5371,
        "northing": 6510316.6658,
        "existing_z": 173.0097,
        "design_z": 172.3076,
        "delta_z": -0.702
      },
      {
        "ch": 160.0,
        "easting": 452697.5063,
        "northing": 6510323.7768,
        "existing_z": 173.2535,
        "design_z": 172.5249,
        "delta_z": -0.7286
      },
      {
        "ch": 160.595,
        "easting": 452697.0879,
        "northing": 6510324.2,
        "existing_z": 173.2668,
        "design_z": 172.5351,
        "delta_z": -0.7317
      },
      {
        "ch": 170.0,
        "easting": 452690.4754,
        "northing": 6510330.8879,
        "existing_z": 173.4503,
        "design_z": 172.6932,
        "delta_z": -0.7572
      },
      {
        "ch": 180.0,
        "easting": 452683.4446,
        "northing": 6510337.9989,
        "existing_z": 173.534,
        "design_z": 172.8613,
        "delta_z": -0.6727
      },
      {
        "ch": 190.0,
        "easting": 452676.4137,
        "northing": 6510345.11,
        "existing_z": 173.5806,
        "design_z": 173.0294,
        "delta_z": -0.5512
      },
      {
        "ch": 190.8926,
        "easting": 452675.7862,
        "northing": 6510345.7447,
        "existing_z": 173.583,
        "design_z": 173.0444,
        "delta_z": -0.5386
      },
      {
        "ch": 200.0,
        "easting": 452669.3829,
        "northing": 6510352.221,
        "existing_z": 173.5831,
        "design_z": 173.1812,
        "delta_z": -0.4019
      },
      {
        "ch": 210.0,
        "easting": 452662.352,
        "northing": 6510359.3321,
        "existing_z": 173.5419,
        "design_z": 173.2939,
        "delta_z": -0.248
      },
      {
        "ch": 210.8926,
        "easting": 452661.7245,
        "northing": 6510359.9668,
        "existing_z": 173.5383,
        "design_z": 173.302,
        "delta_z": -0.2363
      },
      {
        "ch": 220.0,
        "easting": 452655.3211,
        "northing": 6510366.4431,
        "existing_z": 173.5019,
        "design_z": 173.3673,
        "delta_z": -0.1346
      },
      {
        "ch": 230.0,
        "easting": 452648.2903,
        "northing": 6510373.5542,
        "existing_z": 173.4715,
        "design_z": 173.4015,
        "delta_z": -0.07
      },
      {
        "ch": 230.8926,
        "easting": 452647.6627,
        "northing": 6510374.1889,
        "existing_z": 173.4693,
        "design_z": 173.4026,
        "delta_z": -0.0667
      },
      {
        "ch": 240.0,
        "easting": 452641.2594,
        "northing": 6510380.6652,
        "existing_z": 173.449,
        "design_z": 173.4126,
        "delta_z": -0.0364
      },
      {
        "ch": 250.0,
        "easting": 452634.2286,
        "northing": 6510387.7763,
        "existing_z": 173.4307,
        "design_z": 173.4236,
        "delta_z": -0.0071
      },
      {
        "ch": 260.0,
        "easting": 452627.1977,
        "northing": 6510394.8873,
        "existing_z": 173.4185,
        "design_z": 173.4346,
        "delta_z": 0.0162
      },
      {
        "ch": 270.0,
        "easting": 452620.1669,
        "northing": 6510401.9984,
        "existing_z": 173.4237,
        "design_z": 173.4456,
        "delta_z": 0.022
      },
      {
        "ch": 280.0,
        "easting": 452613.136,
        "northing": 6510409.1094,
        "existing_z": 173.4529,
        "design_z": 173.4567,
        "delta_z": 0.0038
      },
      {
        "ch": 281.1901,
        "easting": 452612.2993,
        "northing": 6510409.9557,
        "existing_z": 173.458,
        "design_z": 173.458,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD137",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 282.777,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 7.37,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452612.2992708679,
          6510409.955718775
        ],
        "end": [
          452812.2503284537,
          6510210.0
        ],
        "chainage_start": 0,
        "length": 282.7767934266008
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.6941983566502,
        "pvi_z": 173.34765518572786,
        "bvc": 50.694198356650205,
        "evc": 90.6941983566502,
        "length": 40.0,
        "g1": -0.0015603380895339988,
        "g2": -0.01743511493774156,
        "z_bvc": 173.37886194751854,
        "K_m_per_percent": 25.197204585912935
      },
      {
        "pvi_ch": 141.3883967133004,
        "pvi_z": 172.11509371194816,
        "bvc": 121.38839671330041,
        "evc": 161.3883967133004,
        "length": 40.0,
        "g1": -0.01743511493774156,
        "g2": -0.052250100212270716,
        "z_bvc": 172.463796010703,
        "K_m_per_percent": 11.489305448382375
      },
      {
        "pvi_ch": 212.08259506995063,
        "pvi_z": 168.42131476338704,
        "bvc": 192.08259506995063,
        "evc": 232.08259506995063,
        "length": 40.0,
        "g1": -0.052250100212270716,
        "g2": -0.07369634796114798,
        "z_bvc": 169.46631676763246,
        "K_m_per_percent": 18.651281318940306
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452612.2993,
        "northing": 6510409.9557,
        "existing_z": 173.458,
        "design_z": 173.458,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452619.3703,
        "northing": 6510402.8846,
        "existing_z": 173.4219,
        "design_z": 173.4424,
        "delta_z": 0.0205
      },
      {
        "ch": 20.0,
        "easting": 452626.4412,
        "northing": 6510395.8134,
        "existing_z": 173.4099,
        "design_z": 173.4268,
        "delta_z": 0.0169
      },
      {
        "ch": 30.0,
        "easting": 452633.5122,
        "northing": 6510388.7423,
        "existing_z": 173.4167,
        "design_z": 173.4112,
        "delta_z": -0.0055
      },
      {
        "ch": 40.0,
        "easting": 452640.5832,
        "northing": 6510381.6711,
        "existing_z": 173.4303,
        "design_z": 173.3955,
        "delta_z": -0.0348
      },
      {
        "ch": 50.0,
        "easting": 452647.6542,
        "northing": 6510374.6,
        "existing_z": 173.4483,
        "design_z": 173.3799,
        "delta_z": -0.0683
      },
      {
        "ch": 50.6942,
        "easting": 452648.1451,
        "northing": 6510374.1091,
        "existing_z": 173.4497,
        "design_z": 173.3789,
        "delta_z": -0.0708
      },
      {
        "ch": 60.0,
        "easting": 452654.7252,
        "northing": 6510367.5288,
        "existing_z": 173.4719,
        "design_z": 173.3472,
        "delta_z": -0.1247
      },
      {
        "ch": 70.0,
        "easting": 452661.7962,
        "northing": 6510360.4577,
        "existing_z": 173.5076,
        "design_z": 173.2748,
        "delta_z": -0.2328
      },
      {
        "ch": 70.6942,
        "easting": 452662.287,
        "northing": 6510359.9668,
        "existing_z": 173.5101,
        "design_z": 173.2683,
        "delta_z": -0.2418
      },
      {
        "ch": 80.0,
        "easting": 452668.8672,
        "northing": 6510353.3865,
        "existing_z": 173.5444,
        "design_z": 173.1627,
        "delta_z": -0.3817
      },
      {
        "ch": 90.0,
        "easting": 452675.9381,
        "northing": 6510346.3154,
        "existing_z": 173.5463,
        "design_z": 173.011,
        "delta_z": -0.5354
      },
      {
        "ch": 90.6942,
        "easting": 452676.429,
        "northing": 6510345.8245,
        "existing_z": 173.5443,
        "design_z": 172.999,
        "delta_z": -0.5453
      },
      {
        "ch": 100.0,
        "easting": 452683.0091,
        "northing": 6510339.2442,
        "existing_z": 173.4998,
        "design_z": 172.8367,
        "delta_z": -0.6631
      },
      {
        "ch": 110.0,
        "easting": 452690.0801,
        "northing": 6510332.1731,
        "existing_z": 173.4176,
        "design_z": 172.6624,
        "delta_z": -0.7552
      },
      {
        "ch": 120.0,
        "easting": 452697.1511,
        "northing": 6510325.1019,
        "existing_z": 173.2325,
        "design_z": 172.488,
        "delta_z": -0.7445
      },
      {
        "ch": 121.3884,
        "easting": 452698.1328,
        "northing": 6510324.1202,
        "existing_z": 173.2011,
        "design_z": 172.4638,
        "delta_z": -0.7373
      },
      {
        "ch": 130.0,
        "easting": 452704.2221,
        "northing": 6510318.0308,
        "existing_z": 172.9894,
        "design_z": 172.2814,
        "delta_z": -0.708
      },
      {
        "ch": 140.0,
        "easting": 452711.2931,
        "northing": 6510310.9596,
        "existing_z": 172.7023,
        "design_z": 171.9886,
        "delta_z": -0.7138
      },
      {
        "ch": 141.3884,
        "easting": 452712.2748,
        "northing": 6510309.9779,
        "existing_z": 172.6568,
        "design_z": 171.941,
        "delta_z": -0.7158
      },
      {
        "ch": 150.0,
        "easting": 452718.3641,
        "northing": 6510303.8885,
        "existing_z": 172.2967,
        "design_z": 171.6087,
        "delta_z": -0.688
      },
      {
        "ch": 160.0,
        "easting": 452725.435,
        "northing": 6510296.8173,
        "existing_z": 171.8672,
        "design_z": 171.1418,
        "delta_z": -0.7254
      },
      {
        "ch": 161.3884,
        "easting": 452726.4168,
        "northing": 6510295.8356,
        "existing_z": 171.8066,
        "design_z": 171.0701,
        "delta_z": -0.7365
      },
      {
        "ch": 170.0,
        "easting": 452732.506,
        "northing": 6510289.7462,
        "existing_z": 171.4181,
        "design_z": 170.6201,
        "delta_z": -0.798
      },
      {
        "ch": 180.0,
        "easting": 452739.577,
        "northing": 6510282.675,
        "existing_z": 170.8362,
        "design_z": 170.0976,
        "delta_z": -0.7385
      },
      {
        "ch": 190.0,
        "easting": 452746.648,
        "northing": 6510275.6039,
        "existing_z": 170.257,
        "design_z": 169.5751,
        "delta_z": -0.6819
      },
      {
        "ch": 192.0826,
        "easting": 452748.1206,
        "northing": 6510274.1312,
        "existing_z": 170.1367,
        "design_z": 169.4663,
        "delta_z": -0.6704
      },
      {
        "ch": 200.0,
        "easting": 452753.719,
        "northing": 6510268.5327,
        "existing_z": 169.6223,
        "design_z": 169.0358,
        "delta_z": -0.5864
      },
      {
        "ch": 210.0,
        "easting": 452760.79,
        "northing": 6510261.4616,
        "existing_z": 168.83,
        "design_z": 168.4441,
        "delta_z": -0.3859
      },
      {
        "ch": 212.0826,
        "easting": 452762.2626,
        "northing": 6510259.9889,
        "existing_z": 168.6647,
        "design_z": 168.3141,
        "delta_z": -0.3507
      },
      {
        "ch": 220.0,
        "easting": 452767.8609,
        "northing": 6510254.3904,
        "existing_z": 168.0357,
        "design_z": 167.7987,
        "delta_z": -0.237
      },
      {
        "ch": 230.0,
        "easting": 452774.9319,
        "northing": 6510247.3193,
        "existing_z": 167.2117,
        "design_z": 167.0997,
        "delta_z": -0.112
      },
      {
        "ch": 232.0826,
        "easting": 452776.4045,
        "northing": 6510245.8466,
        "existing_z": 167.031,
        "design_z": 166.9474,
        "delta_z": -0.0836
      },
      {
        "ch": 240.0,
        "easting": 452782.0029,
        "northing": 6510240.2481,
        "existing_z": 166.3574,
        "design_z": 166.3639,
        "delta_z": 0.0065
      },
      {
        "ch": 250.0,
        "easting": 452789.0739,
        "northing": 6510233.177,
        "existing_z": 165.537,
        "design_z": 165.6269,
        "delta_z": 0.09
      },
      {
        "ch": 260.0,
        "easting": 452796.1449,
        "northing": 6510226.1058,
        "existing_z": 164.7965,
        "design_z": 164.89,
        "delta_z": 0.0935
      },
      {
        "ch": 270.0,
        "easting": 452803.2159,
        "northing": 6510219.0347,
        "existing_z": 164.0691,
        "design_z": 164.153,
        "delta_z": 0.0839
      },
      {
        "ch": 280.0,
        "easting": 452810.2869,
        "northing": 6510211.9635,
        "existing_z": 163.3753,
        "design_z": 163.4161,
        "delta_z": 0.0407
      },
      {
        "ch": 282.7768,
        "easting": 452812.2503,
        "northing": 6510210.0,
        "existing_z": 163.2114,
        "design_z": 163.2114,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD138",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 174.039,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.82,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452364.85,
          6510374.56
        ],
        "end": [
          452369.0553725098,
          6510321.841776848
        ],
        "chainage_start": 0,
        "length": 52.885690032600486
      },
      {
        "type": "ARC",
        "centre": [
          452343.4044190956,
          6510319.795580905
        ],
        "radius": 25.73243729023141,
        "start_angle_rad": 0.07960219527797187,
        "sweep_rad": -0.8650003586816853,
        "start": [
          452369.0553725098,
          6510321.841776848
        ],
        "end": [
          452361.6,
          6510301.6
        ],
        "chainage_start": 52.885690032600486,
        "length": 22.258567485804143,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452361.59999999986,
          6510301.600000001
        ],
        "end": [
          452358.4,
          6510298.4
        ],
        "chainage_start": 75.14425751840463,
        "length": 4.525483399610367
      },
      {
        "type": "ARC",
        "centre": [
          452338.1206060761,
          6510318.679393924
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": -0.7853981633859671,
        "sweep_rad": -0.7853981633974484,
        "start": [
          452358.4,
          6510298.4
        ],
        "end": [
          452338.1206060761,
          6510290.0
        ],
        "chainage_start": 79.669740918015,
        "length": 22.524743315209697,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452338.12060607644,
          6510290.0
        ],
        "end": [
          452318.8435894544,
          6510290.0
        ],
        "chainage_start": 102.1944842332247,
        "length": 19.277016622014344
      },
      {
        "type": "ARC",
        "centre": [
          452318.8435894544,
          6510313.571943015
        ],
        "radius": 23.57194301451517,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": -0.7178471111257124,
        "start": [
          452318.8435894544,
          6510290.0
        ],
        "end": [
          452303.3388,
          6510295.817
        ],
        "chainage_start": 121.47150085523904,
        "length": 16.921051196589634,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452303.3388,
          6510295.817
        ],
        "end": [
          452294.14,
          6510303.85
        ],
        "chainage_start": 138.3925520518287,
        "length": 12.212575913269225
      },
      {
        "type": "LINE",
        "start": [
          452294.14,
          6510303.85
        ],
        "end": [
          452310.71,
          6510287.279999999
        ],
        "chainage_start": 150.60512796509792,
        "length": 23.43351872873786
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 58.01288223127859,
        "pvi_z": 194.21589742870827,
        "bvc": 36.45432348605746,
        "evc": 79.57144097649972,
        "length": 43.117117490442254,
        "g1": -0.04822020332333882,
        "g2": 0.023641659160731597,
        "z_bvc": 195.25545551476097,
        "K_m_per_percent": 6.000000000000001
      },
      {
        "pvi_ch": 116.02576446255718,
        "pvi_z": 195.58741821735182,
        "bvc": 96.02576446255718,
        "evc": 136.02576446255716,
        "length": 40.0,
        "g1": 0.023641659160731597,
        "g2": 0.02895368788075154,
        "z_bvc": 195.1145850341372,
        "K_m_per_percent": 75.30079769570565
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452364.85,
        "northing": 6510374.56,
        "existing_z": 197.0133,
        "design_z": 197.0133,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452365.6452,
        "northing": 6510364.5917,
        "existing_z": 196.7611,
        "design_z": 196.5311,
        "delta_z": -0.23
      },
      {
        "ch": 20.0,
        "easting": 452366.4404,
        "northing": 6510354.6233,
        "existing_z": 196.3486,
        "design_z": 196.0489,
        "delta_z": -0.2998
      },
      {
        "ch": 30.0,
        "easting": 452367.2355,
        "northing": 6510344.655,
        "existing_z": 195.7182,
        "design_z": 195.5667,
        "delta_z": -0.1516
      },
      {
        "ch": 36.4543,
        "easting": 452367.7488,
        "northing": 6510338.2211,
        "existing_z": 195.1895,
        "design_z": 195.2555,
        "delta_z": 0.0659
      },
      {
        "ch": 40.0,
        "easting": 452368.0307,
        "northing": 6510334.6867,
        "existing_z": 194.901,
        "design_z": 195.095,
        "delta_z": 0.1939
      },
      {
        "ch": 50.0,
        "easting": 452368.8259,
        "northing": 6510324.7183,
        "existing_z": 193.9383,
        "design_z": 194.7552,
        "delta_z": 0.8169
      },
      {
        "ch": 58.0129,
        "easting": 452368.9529,
        "northing": 6510316.7241,
        "existing_z": 193.107,
        "design_z": 194.6032,
        "delta_z": 1.4962
      },
      {
        "ch": 60.0,
        "easting": 452368.6398,
        "northing": 6510314.7623,
        "existing_z": 192.9375,
        "design_z": 194.5821,
        "delta_z": 1.6446
      },
      {
        "ch": 70.0,
        "easting": 452364.851,
        "northing": 6510305.5757,
        "existing_z": 192.3895,
        "design_z": 194.5756,
        "delta_z": 2.1862
      },
      {
        "ch": 79.5714,
        "easting": 452358.4695,
        "northing": 6510298.4695,
        "existing_z": 192.3854,
        "design_z": 194.7256,
        "delta_z": 2.3402
      },
      {
        "ch": 80.0,
        "easting": 452358.1651,
        "northing": 6510298.1678,
        "existing_z": 192.3907,
        "design_z": 194.7357,
        "delta_z": 2.345
      },
      {
        "ch": 90.0,
        "easting": 452349.9509,
        "northing": 6510292.5537,
        "existing_z": 192.8142,
        "design_z": 194.9721,
        "delta_z": 2.1579
      },
      {
        "ch": 96.0258,
        "easting": 452344.2419,
        "northing": 6510290.6609,
        "existing_z": 193.3593,
        "design_z": 195.1146,
        "delta_z": 1.7553
      },
      {
        "ch": 100.0,
        "easting": 452340.3129,
        "northing": 6510290.0839,
        "existing_z": 193.8004,
        "design_z": 195.2096,
        "delta_z": 1.4092
      },
      {
        "ch": 110.0,
        "easting": 452330.3151,
        "northing": 6510290.0,
        "existing_z": 195.0409,
        "design_z": 195.4579,
        "delta_z": 0.417
      },
      {
        "ch": 116.0258,
        "easting": 452324.2893,
        "northing": 6510290.0,
        "existing_z": 195.7751,
        "design_z": 195.614,
        "delta_z": -0.1611
      },
      {
        "ch": 120.0,
        "easting": 452320.3151,
        "northing": 6510290.0,
        "existing_z": 196.2587,
        "design_z": 195.7195,
        "delta_z": -0.5391
      },
      {
        "ch": 130.0,
        "easting": 452310.4999,
        "northing": 6510291.5261,
        "existing_z": 197.5726,
        "design_z": 195.9944,
        "delta_z": -1.5781
      },
      {
        "ch": 136.0258,
        "easting": 452305.1966,
        "northing": 6510294.3522,
        "existing_z": 198.4957,
        "design_z": 196.1665,
        "delta_z": -2.3292
      },
      {
        "ch": 140.0,
        "easting": 452302.128,
        "northing": 6510296.8743,
        "existing_z": 199.1084,
        "design_z": 196.2816,
        "delta_z": -2.8269
      },
      {
        "ch": 150.0,
        "easting": 452294.5958,
        "northing": 6510303.452,
        "existing_z": 200.6634,
        "design_z": 196.5711,
        "delta_z": -4.0923
      },
      {
        "ch": 160.0,
        "easting": 452300.7832,
        "northing": 6510297.2068,
        "existing_z": 199.3157,
        "design_z": 196.8606,
        "delta_z": -2.4551
      },
      {
        "ch": 170.0,
        "easting": 452307.8542,
        "northing": 6510290.1358,
        "existing_z": 197.8079,
        "design_z": 197.1502,
        "delta_z": -0.6578
      },
      {
        "ch": 174.0386,
        "easting": 452310.71,
        "northing": 6510287.28,
        "existing_z": 197.2671,
        "design_z": 197.2671,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD139",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 1174.963,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.83,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451870.0,
          6510128.8759679515
        ],
        "end": [
          451442.28536430706,
          6510375.81855248
        ],
        "chainage_start": 0,
        "length": 493.8830323463307
      },
      {
        "type": "ARC",
        "centre": [
          451463.2876475654,
          6510412.19536432
        ],
        "radius": 42.00438479105862,
        "start_angle_rad": -2.0943976002133624,
        "sweep_rad": -1.5707565332784674,
        "start": [
          451442.28536430706,
          6510375.81855248
        ],
        "end": [
          451426.91,
          6510433.1962
        ],
        "chainage_start": 493.8830323463307,
        "length": 65.97866183689801,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451426.9099999999,
          6510433.1962
        ],
        "end": [
          451434.91,
          6510447.0538
        ],
        "chainage_start": 559.8616941832287,
        "length": 16.001033646429168
      },
      {
        "type": "ARC",
        "centre": [
          451471.2843420995,
          6510426.054872567
        ],
        "radius": 42.00056804995274,
        "start_angle_rad": 2.6180311736900195,
        "sweep_rad": -1.5708474027088535,
        "start": [
          451434.91,
          6510447.0538
        ],
        "end": [
          451492.2851273581,
          6510462.428142079
        ],
        "chainage_start": 575.8627278296578,
        "length": 65.97648323356472,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451492.285127358,
          6510462.428142079
        ],
        "end": [
          451953.98,
          6510195.86
        ],
        "chainage_start": 641.8392110632226,
        "length": 533.123559595015
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 78.33085137721584,
        "pvi_z": 168.66602570515022,
        "bvc": 58.330851377215836,
        "evc": 98.33085137721584,
        "length": 40.0,
        "g1": 0.041081921431075474,
        "g2": 0.06629166526506773,
        "z_bvc": 167.84438727652872,
        "K_m_per_percent": 15.866880783637672
      },
      {
        "pvi_ch": 156.66170275443167,
        "pvi_z": 173.85870828457638,
        "bvc": 136.66170275443167,
        "evc": 176.66170275443167,
        "length": 40.0,
        "g1": 0.06629166526506773,
        "g2": 0.06423897846890761,
        "z_bvc": 172.53287497927502,
        "K_m_per_percent": 194.86655282640479
      },
      {
        "pvi_ch": 234.99255413164752,
        "pvi_z": 178.89060215964855,
        "bvc": 208.72067568044338,
        "evc": 261.26443258285167,
        "length": 52.54375690240826,
        "g1": 0.06423897846890761,
        "g2": -0.02333394970177282,
        "z_bvc": 177.2029235254839,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 313.32340550886335,
        "pvi_z": 177.06283401351556,
        "bvc": 291.26937088496027,
        "evc": 335.3774401327664,
        "length": 44.10806924780613,
        "g1": -0.02333394970177282,
        "g2": -0.09684739844811636,
        "z_bvc": 177.57744174815087,
        "K_m_per_percent": 5.999999999999999
      },
      {
        "pvi_ch": 391.65425688607917,
        "pvi_z": 169.47669483940615,
        "bvc": 371.65425688607917,
        "evc": 411.65425688607917,
        "length": 40.0,
        "g1": -0.09684739844811636,
        "g2": -0.11402157836871811,
        "z_bvc": 171.41364280836848,
        "K_m_per_percent": 23.29077730926583
      },
      {
        "pvi_ch": 469.98510826329505,
        "pvi_z": 160.54528753041052,
        "bvc": 449.98510826329505,
        "evc": 489.98510826329505,
        "length": 40.0,
        "g1": -0.11402157836871811,
        "g2": -0.06851314994553073,
        "z_bvc": 162.82571909778488,
        "K_m_per_percent": 8.78958060868111
      },
      {
        "pvi_ch": 548.3159596405109,
        "pvi_z": 155.17859416464225,
        "bvc": 520.3810639499306,
        "evc": 576.2508553310911,
        "length": 55.86979138116034,
        "g1": -0.06851314994553073,
        "g2": 0.02460316902306984,
        "z_bvc": 157.09250186180373,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 626.6468110177267,
        "pvi_z": 157.10578134079685,
        "bvc": 599.2982574701067,
        "evc": 653.9953645653467,
        "length": 54.697107095240014,
        "g1": 0.02460316902306984,
        "g2": 0.11576501418180318,
        "z_bvc": 156.43292025532827,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 704.9776623949425,
        "pvi_z": 166.17375346135296,
        "bvc": 684.9776623949425,
        "evc": 724.9776623949425,
        "length": 40.0,
        "g1": 0.11576501418180318,
        "g2": 0.12832397188822528,
        "z_bvc": 163.85845317771688,
        "K_m_per_percent": 31.849776816706502
      },
      {
        "pvi_ch": 783.3085137721583,
        "pvi_z": 176.22547943146355,
        "bvc": 763.3085137721583,
        "evc": 803.3085137721583,
        "length": 40.0,
        "g1": 0.12832397188822528,
        "g2": 0.07336104945823768,
        "z_bvc": 173.65899999369904,
        "K_m_per_percent": 7.277633399307043
      },
      {
        "pvi_ch": 861.6393651493742,
        "pvi_z": 181.97191289345335,
        "bvc": 835.9071313492311,
        "evc": 887.3715989495172,
        "length": 51.46446760028604,
        "g1": 0.07336104945823768,
        "g2": -0.01241306320890573,
        "z_bvc": 180.0841692169701,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 939.9702165265901,
        "pvi_z": 180.99958708410057,
        "bvc": 919.9702165265901,
        "evc": 959.9702165265901,
        "length": 40.0,
        "g1": -0.01241306320890573,
        "g2": -0.03501085181210856,
        "z_bvc": 181.2478483482787,
        "K_m_per_percent": 17.70084706179202
      },
      {
        "pvi_ch": 1018.3010679038059,
        "pvi_z": 178.25715725421657,
        "bvc": 998.3010679038059,
        "evc": 1038.301067903806,
        "length": 40.0,
        "g1": -0.03501085181210856,
        "g2": -0.040741826585358694,
        "z_bvc": 178.95737429045874,
        "K_m_per_percent": 69.79615437622192
      },
      {
        "pvi_ch": 1096.6319192810217,
        "pvi_z": 175.06581529112253,
        "bvc": 1076.6319192810217,
        "evc": 1116.6319192810217,
        "length": 40.0,
        "g1": -0.040741826585358694,
        "g2": -0.014513958556390037,
        "z_bvc": 175.88065182282972,
        "K_m_per_percent": 15.250953663416347
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451870.0,
        "northing": 6510128.876,
        "existing_z": 165.448,
        "design_z": 165.448,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451861.3398,
        "northing": 6510133.876,
        "existing_z": 165.7594,
        "design_z": 165.8589,
        "delta_z": 0.0995
      },
      {
        "ch": 20.0,
        "easting": 451852.6795,
        "northing": 6510138.876,
        "existing_z": 166.0607,
        "design_z": 166.2697,
        "delta_z": 0.209
      },
      {
        "ch": 30.0,
        "easting": 451844.0193,
        "northing": 6510143.876,
        "existing_z": 166.371,
        "design_z": 166.6805,
        "delta_z": 0.3095
      },
      {
        "ch": 40.0,
        "easting": 451835.359,
        "northing": 6510148.8761,
        "existing_z": 166.6815,
        "design_z": 167.0913,
        "delta_z": 0.4098
      },
      {
        "ch": 50.0,
        "easting": 451826.6988,
        "northing": 6510153.8761,
        "existing_z": 167.0192,
        "design_z": 167.5021,
        "delta_z": 0.4829
      },
      {
        "ch": 58.3309,
        "easting": 451819.4841,
        "northing": 6510158.0415,
        "existing_z": 167.3409,
        "design_z": 167.8444,
        "delta_z": 0.5035
      },
      {
        "ch": 60.0,
        "easting": 451818.0386,
        "northing": 6510158.8761,
        "existing_z": 167.405,
        "design_z": 167.9138,
        "delta_z": 0.5089
      },
      {
        "ch": 70.0,
        "easting": 451809.3783,
        "northing": 6510163.8761,
        "existing_z": 167.7943,
        "design_z": 168.3667,
        "delta_z": 0.5724
      },
      {
        "ch": 78.3309,
        "easting": 451802.1636,
        "northing": 6510168.0416,
        "existing_z": 168.1953,
        "design_z": 168.7921,
        "delta_z": 0.5968
      },
      {
        "ch": 80.0,
        "easting": 451800.7181,
        "northing": 6510168.8761,
        "existing_z": 168.2752,
        "design_z": 168.8826,
        "delta_z": 0.6074
      },
      {
        "ch": 90.0,
        "easting": 451792.0578,
        "northing": 6510173.8762,
        "existing_z": 168.7625,
        "design_z": 169.4615,
        "delta_z": 0.6989
      },
      {
        "ch": 98.3309,
        "easting": 451784.8431,
        "northing": 6510178.0416,
        "existing_z": 169.235,
        "design_z": 169.9919,
        "delta_z": 0.7568
      },
      {
        "ch": 100.0,
        "easting": 451783.3976,
        "northing": 6510178.8762,
        "existing_z": 169.3343,
        "design_z": 170.1025,
        "delta_z": 0.7682
      },
      {
        "ch": 110.0,
        "easting": 451774.7373,
        "northing": 6510183.8762,
        "existing_z": 169.919,
        "design_z": 170.7654,
        "delta_z": 0.8464
      },
      {
        "ch": 120.0,
        "easting": 451766.0771,
        "northing": 6510188.8762,
        "existing_z": 170.5727,
        "design_z": 171.4283,
        "delta_z": 0.8556
      },
      {
        "ch": 130.0,
        "easting": 451757.4169,
        "northing": 6510193.8762,
        "existing_z": 171.325,
        "design_z": 172.0913,
        "delta_z": 0.7662
      },
      {
        "ch": 136.6617,
        "easting": 451751.6477,
        "northing": 6510197.2071,
        "existing_z": 171.8155,
        "design_z": 172.5329,
        "delta_z": 0.7174
      },
      {
        "ch": 140.0,
        "easting": 451748.7566,
        "northing": 6510198.8763,
        "existing_z": 172.0875,
        "design_z": 172.7539,
        "delta_z": 0.6664
      },
      {
        "ch": 150.0,
        "easting": 451740.0964,
        "northing": 6510203.8763,
        "existing_z": 173.019,
        "design_z": 173.4125,
        "delta_z": 0.3935
      },
      {
        "ch": 156.6617,
        "easting": 451734.3272,
        "northing": 6510207.2072,
        "existing_z": 173.6387,
        "design_z": 173.8484,
        "delta_z": 0.2097
      },
      {
        "ch": 160.0,
        "easting": 451731.4361,
        "northing": 6510208.8763,
        "existing_z": 173.949,
        "design_z": 174.066,
        "delta_z": 0.117
      },
      {
        "ch": 170.0,
        "easting": 451722.7759,
        "northing": 6510213.8763,
        "existing_z": 175.0169,
        "design_z": 174.7144,
        "delta_z": -0.3025
      },
      {
        "ch": 176.6617,
        "easting": 451717.0067,
        "northing": 6510217.2072,
        "existing_z": 175.7325,
        "design_z": 175.1435,
        "delta_z": -0.589
      },
      {
        "ch": 180.0,
        "easting": 451714.1157,
        "northing": 6510218.8764,
        "existing_z": 176.0862,
        "design_z": 175.3579,
        "delta_z": -0.7283
      },
      {
        "ch": 190.0,
        "easting": 451705.4554,
        "northing": 6510223.8764,
        "existing_z": 177.0979,
        "design_z": 176.0003,
        "delta_z": -1.0976
      },
      {
        "ch": 200.0,
        "easting": 451696.7952,
        "northing": 6510228.8764,
        "existing_z": 178.0785,
        "design_z": 176.6427,
        "delta_z": -1.4358
      },
      {
        "ch": 208.7207,
        "easting": 451689.2429,
        "northing": 6510233.2368,
        "existing_z": 178.8931,
        "design_z": 177.2029,
        "delta_z": -1.6902
      },
      {
        "ch": 210.0,
        "easting": 451688.1349,
        "northing": 6510233.8764,
        "existing_z": 178.9739,
        "design_z": 177.2837,
        "delta_z": -1.6902
      },
      {
        "ch": 220.0,
        "easting": 451679.4747,
        "northing": 6510238.8764,
        "existing_z": 179.6217,
        "design_z": 177.8215,
        "delta_z": -1.8002
      },
      {
        "ch": 230.0,
        "easting": 451670.8144,
        "northing": 6510243.8765,
        "existing_z": 180.2984,
        "design_z": 178.1925,
        "delta_z": -2.1059
      },
      {
        "ch": 234.9926,
        "easting": 451666.4908,
        "northing": 6510246.3728,
        "existing_z": 180.4687,
        "design_z": 178.3154,
        "delta_z": -2.1532
      },
      {
        "ch": 240.0,
        "easting": 451662.1542,
        "northing": 6510248.8765,
        "existing_z": 180.6034,
        "design_z": 178.3969,
        "delta_z": -2.2064
      },
      {
        "ch": 250.0,
        "easting": 451653.494,
        "northing": 6510253.8765,
        "existing_z": 180.8282,
        "design_z": 178.4347,
        "delta_z": -2.3936
      },
      {
        "ch": 260.0,
        "easting": 451644.8337,
        "northing": 6510258.8765,
        "existing_z": 180.8385,
        "design_z": 178.3057,
        "delta_z": -2.5327
      },
      {
        "ch": 261.2644,
        "easting": 451643.7387,
        "northing": 6510259.5087,
        "existing_z": 180.8207,
        "design_z": 178.2776,
        "delta_z": -2.5431
      },
      {
        "ch": 270.0,
        "easting": 451636.1735,
        "northing": 6510263.8766,
        "existing_z": 180.6787,
        "design_z": 178.0737,
        "delta_z": -2.6049
      },
      {
        "ch": 280.0,
        "easting": 451627.5132,
        "northing": 6510268.8766,
        "existing_z": 180.4133,
        "design_z": 177.8404,
        "delta_z": -2.5729
      },
      {
        "ch": 290.0,
        "easting": 451618.853,
        "northing": 6510273.8766,
        "existing_z": 179.8431,
        "design_z": 177.6071,
        "delta_z": -2.2361
      },
      {
        "ch": 291.2694,
        "easting": 451617.7537,
        "northing": 6510274.5113,
        "existing_z": 179.7636,
        "design_z": 177.5774,
        "delta_z": -2.1862
      },
      {
        "ch": 300.0,
        "easting": 451610.1928,
        "northing": 6510278.8766,
        "existing_z": 179.1951,
        "design_z": 177.3102,
        "delta_z": -1.8849
      },
      {
        "ch": 310.0,
        "easting": 451601.5325,
        "northing": 6510283.8766,
        "existing_z": 178.3983,
        "design_z": 176.848,
        "delta_z": -1.5502
      },
      {
        "ch": 313.3234,
        "easting": 451598.6544,
        "northing": 6510285.5383,
        "existing_z": 178.1216,
        "design_z": 176.6575,
        "delta_z": -1.4641
      },
      {
        "ch": 320.0,
        "easting": 451592.8723,
        "northing": 6510288.8767,
        "existing_z": 177.5493,
        "design_z": 176.2192,
        "delta_z": -1.3302
      },
      {
        "ch": 330.0,
        "easting": 451584.212,
        "northing": 6510293.8767,
        "existing_z": 176.6035,
        "design_z": 175.4237,
        "delta_z": -1.1798
      },
      {
        "ch": 335.3774,
        "easting": 451579.555,
        "northing": 6510296.5654,
        "existing_z": 176.0698,
        "design_z": 174.927,
        "delta_z": -1.1428
      },
      {
        "ch": 340.0,
        "easting": 451575.5518,
        "northing": 6510298.8767,
        "existing_z": 175.6005,
        "design_z": 174.4793,
        "delta_z": -1.1212
      },
      {
        "ch": 350.0,
        "easting": 451566.8915,
        "northing": 6510303.8767,
        "existing_z": 174.5678,
        "design_z": 173.5108,
        "delta_z": -1.057
      },
      {
        "ch": 360.0,
        "easting": 451558.2313,
        "northing": 6510308.8767,
        "existing_z": 173.5107,
        "design_z": 172.5423,
        "delta_z": -0.9684
      },
      {
        "ch": 370.0,
        "easting": 451549.5711,
        "northing": 6510313.8768,
        "existing_z": 172.3752,
        "design_z": 171.5739,
        "delta_z": -0.8013
      },
      {
        "ch": 371.6543,
        "easting": 451548.1384,
        "northing": 6510314.7039,
        "existing_z": 172.1787,
        "design_z": 171.4136,
        "delta_z": -0.765
      },
      {
        "ch": 380.0,
        "easting": 451540.9108,
        "northing": 6510318.8768,
        "existing_z": 171.1734,
        "design_z": 170.5904,
        "delta_z": -0.5829
      },
      {
        "ch": 390.0,
        "easting": 451532.2506,
        "northing": 6510323.8768,
        "existing_z": 169.9378,
        "design_z": 169.5647,
        "delta_z": -0.3731
      },
      {
        "ch": 391.6543,
        "easting": 451530.818,
        "northing": 6510324.7039,
        "existing_z": 169.7301,
        "design_z": 169.3908,
        "delta_z": -0.3393
      },
      {
        "ch": 400.0,
        "easting": 451523.5903,
        "northing": 6510328.8768,
        "existing_z": 168.6639,
        "design_z": 168.4959,
        "delta_z": -0.168
      },
      {
        "ch": 410.0,
        "easting": 451514.9301,
        "northing": 6510333.8769,
        "existing_z": 167.4165,
        "design_z": 167.3843,
        "delta_z": -0.0323
      },
      {
        "ch": 411.6543,
        "easting": 451513.4975,
        "northing": 6510334.704,
        "existing_z": 167.2114,
        "design_z": 167.1963,
        "delta_z": -0.0152
      },
      {
        "ch": 420.0,
        "easting": 451506.2699,
        "northing": 6510338.8769,
        "existing_z": 166.1822,
        "design_z": 166.2447,
        "delta_z": 0.0625
      },
      {
        "ch": 430.0,
        "easting": 451497.6096,
        "northing": 6510343.8769,
        "existing_z": 164.9516,
        "design_z": 165.1045,
        "delta_z": 0.1528
      },
      {
        "ch": 440.0,
        "easting": 451488.9494,
        "northing": 6510348.8769,
        "existing_z": 163.7139,
        "design_z": 163.9642,
        "delta_z": 0.2503
      },
      {
        "ch": 449.9851,
        "easting": 451480.302,
        "northing": 6510353.8695,
        "existing_z": 162.4518,
        "design_z": 162.8257,
        "delta_z": 0.374
      },
      {
        "ch": 450.0,
        "easting": 451480.2891,
        "northing": 6510353.8769,
        "existing_z": 162.4498,
        "design_z": 162.824,
        "delta_z": 0.3742
      },
      {
        "ch": 460.0,
        "easting": 451471.6289,
        "northing": 6510358.877,
        "existing_z": 161.1626,
        "design_z": 161.7409,
        "delta_z": 0.5783
      },
      {
        "ch": 469.9851,
        "easting": 451462.9815,
        "northing": 6510363.8695,
        "existing_z": 159.888,
        "design_z": 160.7728,
        "delta_z": 0.8848
      },
      {
        "ch": 470.0,
        "easting": 451462.9686,
        "northing": 6510363.877,
        "existing_z": 159.8862,
        "design_z": 160.7715,
        "delta_z": 0.8853
      },
      {
        "ch": 480.0,
        "easting": 451454.3084,
        "northing": 6510368.877,
        "existing_z": 158.6092,
        "design_z": 159.9159,
        "delta_z": 1.3067
      },
      {
        "ch": 489.9851,
        "easting": 451445.6611,
        "northing": 6510373.8696,
        "existing_z": 157.3513,
        "design_z": 159.175,
        "delta_z": 1.8237
      },
      {
        "ch": 490.0,
        "easting": 451445.6482,
        "northing": 6510373.877,
        "existing_z": 157.3495,
        "design_z": 159.174,
        "delta_z": 1.8245
      },
      {
        "ch": 500.0,
        "easting": 451437.2289,
        "northing": 6510379.2513,
        "existing_z": 156.1246,
        "design_z": 158.4889,
        "delta_z": 2.3643
      },
      {
        "ch": 510.0,
        "easting": 451430.1948,
        "northing": 6510386.3259,
        "existing_z": 154.9411,
        "design_z": 157.8037,
        "delta_z": 2.8626
      },
      {
        "ch": 520.0,
        "easting": 451425.0274,
        "northing": 6510394.8597,
        "existing_z": 154.108,
        "design_z": 157.1186,
        "delta_z": 3.0106
      },
      {
        "ch": 520.3811,
        "easting": 451424.8717,
        "northing": 6510395.2075,
        "existing_z": 154.085,
        "design_z": 157.0925,
        "delta_z": 3.0075
      },
      {
        "ch": 530.0,
        "easting": 451422.0183,
        "northing": 6510404.3715,
        "existing_z": 153.6156,
        "design_z": 156.5106,
        "delta_z": 2.895
      },
      {
        "ch": 540.0,
        "easting": 451421.3373,
        "northing": 6510414.3246,
        "existing_z": 153.5454,
        "design_z": 156.0691,
        "delta_z": 2.5237
      },
      {
        "ch": 548.316,
        "easting": 451422.5755,
        "northing": 6510422.5342,
        "existing_z": 153.8004,
        "design_z": 155.8289,
        "delta_z": 2.0285
      },
      {
        "ch": 550.0,
        "easting": 451423.0226,
        "northing": 6510424.1576,
        "existing_z": 153.8482,
        "design_z": 155.7943,
        "delta_z": 1.9461
      },
      {
        "ch": 560.0,
        "easting": 451426.9791,
        "northing": 6510433.316,
        "existing_z": 154.1416,
        "design_z": 155.6861,
        "delta_z": 1.5445
      },
      {
        "ch": 570.0,
        "easting": 451431.9788,
        "northing": 6510441.9764,
        "existing_z": 154.4434,
        "design_z": 155.7447,
        "delta_z": 1.3012
      },
      {
        "ch": 576.2509,
        "easting": 451435.1056,
        "northing": 6510447.389,
        "existing_z": 154.5864,
        "design_z": 155.8659,
        "delta_z": 1.2795
      },
      {
        "ch": 580.0,
        "easting": 451437.1515,
        "northing": 6510450.5293,
        "existing_z": 154.6477,
        "design_z": 155.9581,
        "delta_z": 1.3104
      },
      {
        "ch": 590.0,
        "easting": 451443.8866,
        "northing": 6510457.889,
        "existing_z": 154.816,
        "design_z": 156.2042,
        "delta_z": 1.3881
      },
      {
        "ch": 599.2983,
        "easting": 451451.5455,
        "northing": 6510463.1281,
        "existing_z": 154.762,
        "design_z": 156.4329,
        "delta_z": 1.6709
      },
      {
        "ch": 600.0,
        "easting": 451452.1676,
        "northing": 6510463.4527,
        "existing_z": 154.7789,
        "design_z": 156.4506,
        "delta_z": 1.6717
      },
      {
        "ch": 610.0,
        "easting": 451461.5271,
        "northing": 6510466.9064,
        "existing_z": 154.9214,
        "design_z": 156.7917,
        "delta_z": 1.8703
      },
      {
        "ch": 620.0,
        "easting": 451471.4372,
        "northing": 6510468.0552,
        "existing_z": 155.0736,
        "design_z": 157.2994,
        "delta_z": 2.2257
      },
      {
        "ch": 626.6468,
        "easting": 451478.0543,
        "northing": 6510467.5062,
        "existing_z": 155.6014,
        "design_z": 157.7291,
        "delta_z": 2.1276
      },
      {
        "ch": 630.0,
        "easting": 451481.3386,
        "northing": 6510466.8343,
        "existing_z": 155.8819,
        "design_z": 157.9738,
        "delta_z": 2.0918
      },
      {
        "ch": 640.0,
        "easting": 451490.6727,
        "northing": 6510463.3126,
        "existing_z": 156.8141,
        "design_z": 158.8148,
        "delta_z": 2.0008
      },
      {
        "ch": 650.0,
        "easting": 451499.3525,
        "northing": 6510458.3477,
        "existing_z": 158.0948,
        "design_z": 159.8226,
        "delta_z": 1.7278
      },
      {
        "ch": 653.9954,
        "easting": 451502.8126,
        "northing": 6510456.3499,
        "existing_z": 158.6183,
        "design_z": 160.2718,
        "delta_z": 1.6535
      },
      {
        "ch": 660.0,
        "easting": 451508.0127,
        "northing": 6510453.3475,
        "existing_z": 159.418,
        "design_z": 160.9669,
        "delta_z": 1.5489
      },
      {
        "ch": 670.0,
        "easting": 451516.6729,
        "northing": 6510448.3474,
        "existing_z": 160.8554,
        "design_z": 162.1246,
        "delta_z": 1.2691
      },
      {
        "ch": 680.0,
        "easting": 451525.3331,
        "northing": 6510443.3473,
        "existing_z": 162.3333,
        "design_z": 163.2822,
        "delta_z": 0.9489
      },
      {
        "ch": 684.9777,
        "easting": 451529.6438,
        "northing": 6510440.8584,
        "existing_z": 163.0692,
        "design_z": 163.8585,
        "delta_z": 0.7893
      },
      {
        "ch": 690.0,
        "easting": 451533.9933,
        "northing": 6510438.3472,
        "existing_z": 163.8313,
        "design_z": 164.4438,
        "delta_z": 0.6126
      },
      {
        "ch": 700.0,
        "easting": 451542.6534,
        "northing": 6510433.3471,
        "existing_z": 165.3439,
        "design_z": 165.6329,
        "delta_z": 0.289
      },
      {
        "ch": 704.9777,
        "easting": 451546.9642,
        "northing": 6510430.8582,
        "existing_z": 166.0927,
        "design_z": 166.2365,
        "delta_z": 0.1438
      },
      {
        "ch": 710.0,
        "easting": 451551.3136,
        "northing": 6510428.3469,
        "existing_z": 166.8364,
        "design_z": 166.8535,
        "delta_z": 0.0171
      },
      {
        "ch": 720.0,
        "easting": 451559.9738,
        "northing": 6510423.3468,
        "existing_z": 168.2977,
        "design_z": 168.1054,
        "delta_z": -0.1923
      },
      {
        "ch": 724.9777,
        "easting": 451564.2846,
        "northing": 6510420.8579,
        "existing_z": 169.0191,
        "design_z": 168.7402,
        "delta_z": -0.2789
      },
      {
        "ch": 730.0,
        "easting": 451568.634,
        "northing": 6510418.3467,
        "existing_z": 169.7431,
        "design_z": 169.3847,
        "delta_z": -0.3584
      },
      {
        "ch": 740.0,
        "easting": 451577.2942,
        "northing": 6510413.3466,
        "existing_z": 171.1627,
        "design_z": 170.668,
        "delta_z": -0.4947
      },
      {
        "ch": 750.0,
        "easting": 451585.9544,
        "northing": 6510408.3465,
        "existing_z": 172.5606,
        "design_z": 171.9512,
        "delta_z": -0.6094
      },
      {
        "ch": 760.0,
        "easting": 451594.6146,
        "northing": 6510403.3463,
        "existing_z": 173.9098,
        "design_z": 173.2344,
        "delta_z": -0.6753
      },
      {
        "ch": 763.3085,
        "easting": 451597.4798,
        "northing": 6510401.692,
        "existing_z": 174.3519,
        "design_z": 173.659,
        "delta_z": -0.6929
      },
      {
        "ch": 770.0,
        "easting": 451603.2747,
        "northing": 6510398.3462,
        "existing_z": 175.2469,
        "design_z": 174.4869,
        "delta_z": -0.7599
      },
      {
        "ch": 780.0,
        "easting": 451611.9349,
        "northing": 6510393.3461,
        "existing_z": 176.5715,
        "design_z": 175.6095,
        "delta_z": -0.962
      },
      {
        "ch": 783.3085,
        "easting": 451614.8002,
        "northing": 6510391.6918,
        "existing_z": 176.9938,
        "design_z": 175.9507,
        "delta_z": -1.0432
      },
      {
        "ch": 790.0,
        "easting": 451620.5951,
        "northing": 6510388.346,
        "existing_z": 177.8346,
        "design_z": 176.5947,
        "delta_z": -1.2399
      },
      {
        "ch": 800.0,
        "easting": 451629.2553,
        "northing": 6510383.3459,
        "existing_z": 179.0637,
        "design_z": 177.4425,
        "delta_z": -1.6213
      },
      {
        "ch": 803.3085,
        "easting": 451632.1205,
        "northing": 6510381.6916,
        "existing_z": 179.4299,
        "design_z": 177.6927,
        "delta_z": -1.7372
      },
      {
        "ch": 810.0,
        "easting": 451637.9155,
        "northing": 6510378.3457,
        "existing_z": 180.1392,
        "design_z": 178.1836,
        "delta_z": -1.9556
      },
      {
        "ch": 820.0,
        "easting": 451646.5757,
        "northing": 6510373.3456,
        "existing_z": 181.1896,
        "design_z": 178.9172,
        "delta_z": -2.2724
      },
      {
        "ch": 830.0,
        "easting": 451655.2359,
        "northing": 6510368.3455,
        "existing_z": 182.0488,
        "design_z": 179.6508,
        "delta_z": -2.398
      },
      {
        "ch": 835.9071,
        "easting": 451660.3515,
        "northing": 6510365.3919,
        "existing_z": 182.4456,
        "design_z": 180.0842,
        "delta_z": -2.3614
      },
      {
        "ch": 840.0,
        "easting": 451663.896,
        "northing": 6510363.3454,
        "existing_z": 182.7079,
        "design_z": 180.3705,
        "delta_z": -2.3374
      },
      {
        "ch": 850.0,
        "easting": 451672.5562,
        "northing": 6510358.3453,
        "existing_z": 183.2252,
        "design_z": 180.9525,
        "delta_z": -2.2727
      },
      {
        "ch": 860.0,
        "easting": 451681.2164,
        "northing": 6510353.3451,
        "existing_z": 183.4857,
        "design_z": 181.3679,
        "delta_z": -2.1178
      },
      {
        "ch": 861.6394,
        "easting": 451682.6361,
        "northing": 6510352.5254,
        "existing_z": 183.522,
        "design_z": 181.4201,
        "delta_z": -2.1019
      },
      {
        "ch": 870.0,
        "easting": 451689.8766,
        "northing": 6510348.345,
        "existing_z": 183.6364,
        "design_z": 181.6167,
        "delta_z": -2.0197
      },
      {
        "ch": 880.0,
        "easting": 451698.5368,
        "northing": 6510343.3449,
        "existing_z": 183.4531,
        "design_z": 181.6987,
        "delta_z": -1.7544
      },
      {
        "ch": 887.3716,
        "easting": 451704.9207,
        "northing": 6510339.659,
        "existing_z": 183.2619,
        "design_z": 181.6525,
        "delta_z": -1.6094
      },
      {
        "ch": 890.0,
        "easting": 451707.197,
        "northing": 6510338.3448,
        "existing_z": 183.1826,
        "design_z": 181.6199,
        "delta_z": -1.5627
      },
      {
        "ch": 900.0,
        "easting": 451715.8572,
        "northing": 6510333.3447,
        "existing_z": 182.8387,
        "design_z": 181.4957,
        "delta_z": -1.343
      },
      {
        "ch": 910.0,
        "easting": 451724.5173,
        "northing": 6510328.3445,
        "existing_z": 182.4099,
        "design_z": 181.3716,
        "delta_z": -1.0383
      },
      {
        "ch": 919.9702,
        "easting": 451733.1517,
        "northing": 6510323.3593,
        "existing_z": 181.9431,
        "design_z": 181.2478,
        "delta_z": -0.6953
      },
      {
        "ch": 920.0,
        "easting": 451733.1775,
        "northing": 6510323.3444,
        "existing_z": 181.9419,
        "design_z": 181.2475,
        "delta_z": -0.6944
      },
      {
        "ch": 930.0,
        "easting": 451741.8377,
        "northing": 6510318.3443,
        "existing_z": 181.5098,
        "design_z": 181.0949,
        "delta_z": -0.4148
      },
      {
        "ch": 939.9702,
        "easting": 451750.4721,
        "northing": 6510313.3591,
        "existing_z": 181.0334,
        "design_z": 180.8866,
        "delta_z": -0.1468
      },
      {
        "ch": 940.0,
        "easting": 451750.4979,
        "northing": 6510313.3442,
        "existing_z": 181.0324,
        "design_z": 180.8859,
        "delta_z": -0.1465
      },
      {
        "ch": 950.0,
        "easting": 451759.1581,
        "northing": 6510308.3441,
        "existing_z": 180.6823,
        "design_z": 180.6204,
        "delta_z": -0.0619
      },
      {
        "ch": 959.9702,
        "easting": 451767.7925,
        "northing": 6510303.3588,
        "existing_z": 180.2895,
        "design_z": 180.2994,
        "delta_z": 0.0098
      },
      {
        "ch": 960.0,
        "easting": 451767.8183,
        "northing": 6510303.344,
        "existing_z": 180.2883,
        "design_z": 180.2983,
        "delta_z": 0.01
      },
      {
        "ch": 970.0,
        "easting": 451776.4784,
        "northing": 6510298.3438,
        "existing_z": 179.9773,
        "design_z": 179.9482,
        "delta_z": -0.0291
      },
      {
        "ch": 980.0,
        "easting": 451785.1386,
        "northing": 6510293.3437,
        "existing_z": 179.6595,
        "design_z": 179.5981,
        "delta_z": -0.0614
      },
      {
        "ch": 990.0,
        "easting": 451793.7988,
        "northing": 6510288.3436,
        "existing_z": 179.3553,
        "design_z": 179.248,
        "delta_z": -0.1073
      },
      {
        "ch": 998.3011,
        "easting": 451800.9877,
        "northing": 6510284.193,
        "existing_z": 179.1296,
        "design_z": 178.9574,
        "delta_z": -0.1722
      },
      {
        "ch": 1000.0,
        "easting": 451802.459,
        "northing": 6510283.3435,
        "existing_z": 179.0784,
        "design_z": 178.8977,
        "delta_z": -0.1807
      },
      {
        "ch": 1010.0,
        "easting": 451811.1192,
        "northing": 6510278.3434,
        "existing_z": 178.755,
        "design_z": 178.538,
        "delta_z": -0.2171
      },
      {
        "ch": 1018.3011,
        "easting": 451818.3081,
        "northing": 6510274.1927,
        "existing_z": 178.5048,
        "design_z": 178.2285,
        "delta_z": -0.2763
      },
      {
        "ch": 1020.0,
        "easting": 451819.7794,
        "northing": 6510273.3432,
        "existing_z": 178.4478,
        "design_z": 178.1639,
        "delta_z": -0.2838
      },
      {
        "ch": 1030.0,
        "easting": 451828.4396,
        "northing": 6510268.3431,
        "existing_z": 178.0849,
        "design_z": 177.7756,
        "delta_z": -0.3094
      },
      {
        "ch": 1038.3011,
        "easting": 451835.6284,
        "northing": 6510264.1925,
        "existing_z": 177.7633,
        "design_z": 177.4423,
        "delta_z": -0.3209
      },
      {
        "ch": 1040.0,
        "easting": 451837.0997,
        "northing": 6510263.343,
        "existing_z": 177.6923,
        "design_z": 177.3731,
        "delta_z": -0.3192
      },
      {
        "ch": 1050.0,
        "easting": 451845.7599,
        "northing": 6510258.3429,
        "existing_z": 177.2367,
        "design_z": 176.9657,
        "delta_z": -0.271
      },
      {
        "ch": 1060.0,
        "easting": 451854.4201,
        "northing": 6510253.3428,
        "existing_z": 176.6879,
        "design_z": 176.5583,
        "delta_z": -0.1297
      },
      {
        "ch": 1070.0,
        "easting": 451863.0803,
        "northing": 6510248.3426,
        "existing_z": 176.0997,
        "design_z": 176.1508,
        "delta_z": 0.0512
      },
      {
        "ch": 1076.6319,
        "easting": 451868.8237,
        "northing": 6510245.0266,
        "existing_z": 175.7379,
        "design_z": 175.8807,
        "delta_z": 0.1427
      },
      {
        "ch": 1080.0,
        "easting": 451871.7405,
        "northing": 6510243.3425,
        "existing_z": 175.532,
        "design_z": 175.7471,
        "delta_z": 0.2152
      },
      {
        "ch": 1090.0,
        "easting": 451880.4007,
        "northing": 6510238.3424,
        "existing_z": 174.8908,
        "design_z": 175.3946,
        "delta_z": 0.5038
      },
      {
        "ch": 1096.6319,
        "easting": 451886.144,
        "northing": 6510235.0264,
        "existing_z": 174.4731,
        "design_z": 175.197,
        "delta_z": 0.7239
      },
      {
        "ch": 1100.0,
        "easting": 451889.0609,
        "northing": 6510233.3423,
        "existing_z": 174.2633,
        "design_z": 175.1076,
        "delta_z": 0.8444
      },
      {
        "ch": 1110.0,
        "easting": 451897.721,
        "northing": 6510228.3422,
        "existing_z": 173.6957,
        "design_z": 174.8862,
        "delta_z": 1.1905
      },
      {
        "ch": 1116.6319,
        "easting": 451903.4644,
        "northing": 6510225.0261,
        "existing_z": 173.4383,
        "design_z": 174.7755,
        "delta_z": 1.3372
      },
      {
        "ch": 1120.0,
        "easting": 451906.3812,
        "northing": 6510223.342,
        "existing_z": 173.3203,
        "design_z": 174.7267,
        "delta_z": 1.4063
      },
      {
        "ch": 1130.0,
        "easting": 451915.0414,
        "northing": 6510218.3419,
        "existing_z": 173.0666,
        "design_z": 174.5815,
        "delta_z": 1.5149
      },
      {
        "ch": 1140.0,
        "easting": 451923.7016,
        "northing": 6510213.3418,
        "existing_z": 172.9346,
        "design_z": 174.4364,
        "delta_z": 1.5017
      },
      {
        "ch": 1150.0,
        "easting": 451932.3618,
        "northing": 6510208.3417,
        "existing_z": 172.9645,
        "design_z": 174.2912,
        "delta_z": 1.3267
      },
      {
        "ch": 1160.0,
        "easting": 451941.022,
        "northing": 6510203.3416,
        "existing_z": 173.2433,
        "design_z": 174.1461,
        "delta_z": 0.9028
      },
      {
        "ch": 1170.0,
        "easting": 451949.6821,
        "northing": 6510198.3414,
        "existing_z": 173.5927,
        "design_z": 174.001,
        "delta_z": 0.4083
      },
      {
        "ch": 1174.9628,
        "easting": 451953.98,
        "northing": 6510195.86,
        "existing_z": 173.9289,
        "design_z": 173.9289,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD140",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 301.088,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.27,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450570.0,
          6510213.68
        ],
        "end": [
          450782.903602599,
          6510426.578610135
        ],
        "chainage_start": 0,
        "length": 301.08763208952007
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 75.27190802238002,
        "pvi_z": 140.50584949976115,
        "bvc": 55.27190802238002,
        "evc": 95.27190802238002,
        "length": 40.0,
        "g1": 0.02711997097365606,
        "g2": 0.029367971538771173,
        "z_bvc": 139.96345008028803,
        "K_m_per_percent": 177.93589832995306
      },
      {
        "pvi_ch": 150.54381604476004,
        "pvi_z": 142.7164327522314,
        "bvc": 130.54381604476004,
        "evc": 170.54381604476004,
        "length": 40.0,
        "g1": 0.029367971538771173,
        "g2": 0.03272321253789562,
        "z_bvc": 142.129073321456,
        "K_m_per_percent": 119.21647360186066
      },
      {
        "pvi_ch": 225.81572406714005,
        "pvi_z": 145.17957139658068,
        "bvc": 205.81572406714005,
        "evc": 245.81572406714005,
        "length": 40.0,
        "g1": 0.03272321253789562,
        "g2": 0.018601508475693734,
        "z_bvc": 144.52510714582277,
        "K_m_per_percent": 28.325193492096957
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450570.0,
        "northing": 6510213.68,
        "existing_z": 138.4645,
        "design_z": 138.4645,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450577.0712,
        "northing": 6510220.751,
        "existing_z": 138.6159,
        "design_z": 138.7357,
        "delta_z": 0.1197
      },
      {
        "ch": 20.0,
        "easting": 450584.1423,
        "northing": 6510227.822,
        "existing_z": 138.7627,
        "design_z": 139.0069,
        "delta_z": 0.2442
      },
      {
        "ch": 30.0,
        "easting": 450591.2135,
        "northing": 6510234.893,
        "existing_z": 138.9204,
        "design_z": 139.2781,
        "delta_z": 0.3577
      },
      {
        "ch": 40.0,
        "easting": 450598.2846,
        "northing": 6510241.9639,
        "existing_z": 139.1456,
        "design_z": 139.5493,
        "delta_z": 0.4037
      },
      {
        "ch": 50.0,
        "easting": 450605.3558,
        "northing": 6510249.0349,
        "existing_z": 139.4166,
        "design_z": 139.8205,
        "delta_z": 0.4038
      },
      {
        "ch": 55.2719,
        "easting": 450609.0836,
        "northing": 6510252.7627,
        "existing_z": 139.6032,
        "design_z": 139.9635,
        "delta_z": 0.3602
      },
      {
        "ch": 60.0,
        "easting": 450612.4269,
        "northing": 6510256.1059,
        "existing_z": 139.8013,
        "design_z": 140.0923,
        "delta_z": 0.291
      },
      {
        "ch": 70.0,
        "easting": 450619.4981,
        "northing": 6510263.1769,
        "existing_z": 140.2446,
        "design_z": 140.369,
        "delta_z": 0.1244
      },
      {
        "ch": 75.2719,
        "easting": 450623.2259,
        "northing": 6510266.9047,
        "existing_z": 140.4857,
        "design_z": 140.5171,
        "delta_z": 0.0314
      },
      {
        "ch": 80.0,
        "easting": 450626.5692,
        "northing": 6510270.2479,
        "existing_z": 140.7067,
        "design_z": 140.6513,
        "delta_z": -0.0555
      },
      {
        "ch": 90.0,
        "easting": 450633.6404,
        "northing": 6510277.3189,
        "existing_z": 141.1117,
        "design_z": 140.9392,
        "delta_z": -0.1725
      },
      {
        "ch": 95.2719,
        "easting": 450637.3682,
        "northing": 6510281.0466,
        "existing_z": 141.275,
        "design_z": 141.0932,
        "delta_z": -0.1818
      },
      {
        "ch": 100.0,
        "easting": 450640.7115,
        "northing": 6510284.3898,
        "existing_z": 141.4087,
        "design_z": 141.2321,
        "delta_z": -0.1766
      },
      {
        "ch": 110.0,
        "easting": 450647.7827,
        "northing": 6510291.4608,
        "existing_z": 141.6567,
        "design_z": 141.5257,
        "delta_z": -0.1309
      },
      {
        "ch": 120.0,
        "easting": 450654.8538,
        "northing": 6510298.5318,
        "existing_z": 141.8592,
        "design_z": 141.8194,
        "delta_z": -0.0398
      },
      {
        "ch": 130.0,
        "easting": 450661.925,
        "northing": 6510305.6028,
        "existing_z": 142.0426,
        "design_z": 142.1131,
        "delta_z": 0.0705
      },
      {
        "ch": 130.5438,
        "easting": 450662.3095,
        "northing": 6510305.9873,
        "existing_z": 142.0526,
        "design_z": 142.1291,
        "delta_z": 0.0765
      },
      {
        "ch": 140.0,
        "easting": 450668.9961,
        "northing": 6510312.6738,
        "existing_z": 142.251,
        "design_z": 142.4105,
        "delta_z": 0.1595
      },
      {
        "ch": 150.0,
        "easting": 450676.0673,
        "northing": 6510319.7448,
        "existing_z": 142.5647,
        "design_z": 142.7163,
        "delta_z": 0.1516
      },
      {
        "ch": 150.5438,
        "easting": 450676.4518,
        "northing": 6510320.1293,
        "existing_z": 142.5824,
        "design_z": 142.7332,
        "delta_z": 0.1508
      },
      {
        "ch": 160.0,
        "easting": 450683.1384,
        "northing": 6510326.8158,
        "existing_z": 142.8922,
        "design_z": 143.0305,
        "delta_z": 0.1383
      },
      {
        "ch": 170.0,
        "easting": 450690.2096,
        "northing": 6510333.8867,
        "existing_z": 143.2601,
        "design_z": 143.3531,
        "delta_z": 0.093
      },
      {
        "ch": 170.5438,
        "easting": 450690.5941,
        "northing": 6510334.2713,
        "existing_z": 143.2836,
        "design_z": 143.3709,
        "delta_z": 0.0873
      },
      {
        "ch": 180.0,
        "easting": 450697.2807,
        "northing": 6510340.9577,
        "existing_z": 143.6833,
        "design_z": 143.6803,
        "delta_z": -0.003
      },
      {
        "ch": 190.0,
        "easting": 450704.3519,
        "northing": 6510348.0287,
        "existing_z": 144.0907,
        "design_z": 144.0076,
        "delta_z": -0.0831
      },
      {
        "ch": 200.0,
        "easting": 450711.423,
        "northing": 6510355.0997,
        "existing_z": 144.5273,
        "design_z": 144.3348,
        "delta_z": -0.1925
      },
      {
        "ch": 205.8157,
        "easting": 450715.5354,
        "northing": 6510359.212,
        "existing_z": 144.7704,
        "design_z": 144.5251,
        "delta_z": -0.2453
      },
      {
        "ch": 210.0,
        "easting": 450718.4942,
        "northing": 6510362.1707,
        "existing_z": 144.9358,
        "design_z": 144.6589,
        "delta_z": -0.2769
      },
      {
        "ch": 220.0,
        "easting": 450725.5653,
        "northing": 6510369.2417,
        "existing_z": 145.2986,
        "design_z": 144.9537,
        "delta_z": -0.3449
      },
      {
        "ch": 225.8157,
        "easting": 450729.6777,
        "northing": 6510373.354,
        "existing_z": 145.4908,
        "design_z": 145.109,
        "delta_z": -0.3818
      },
      {
        "ch": 230.0,
        "easting": 450732.6365,
        "northing": 6510376.3127,
        "existing_z": 145.61,
        "design_z": 145.2133,
        "delta_z": -0.3968
      },
      {
        "ch": 240.0,
        "easting": 450739.7076,
        "northing": 6510383.3836,
        "existing_z": 145.8523,
        "design_z": 145.4374,
        "delta_z": -0.4148
      },
      {
        "ch": 245.8157,
        "easting": 450743.82,
        "northing": 6510387.4959,
        "existing_z": 145.9669,
        "design_z": 145.5516,
        "delta_z": -0.4153
      },
      {
        "ch": 250.0,
        "easting": 450746.7788,
        "northing": 6510390.4546,
        "existing_z": 146.0386,
        "design_z": 145.6294,
        "delta_z": -0.4092
      },
      {
        "ch": 260.0,
        "easting": 450753.8499,
        "northing": 6510397.5256,
        "existing_z": 146.1963,
        "design_z": 145.8155,
        "delta_z": -0.3808
      },
      {
        "ch": 270.0,
        "easting": 450760.9211,
        "northing": 6510404.5966,
        "existing_z": 146.3195,
        "design_z": 146.0015,
        "delta_z": -0.318
      },
      {
        "ch": 280.0,
        "easting": 450767.9922,
        "northing": 6510411.6676,
        "existing_z": 146.4128,
        "design_z": 146.1875,
        "delta_z": -0.2253
      },
      {
        "ch": 290.0,
        "easting": 450775.0634,
        "northing": 6510418.7386,
        "existing_z": 146.5106,
        "design_z": 146.3735,
        "delta_z": -0.1371
      },
      {
        "ch": 300.0,
        "easting": 450782.1345,
        "northing": 6510425.8095,
        "existing_z": 146.5752,
        "design_z": 146.5595,
        "delta_z": -0.0157
      },
      {
        "ch": 301.0876,
        "easting": 450782.9036,
        "northing": 6510426.5786,
        "existing_z": 146.5797,
        "design_z": 146.5797,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD141",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 382.837,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.32,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450010.71,
          6510470.12
        ],
        "end": [
          450010.2982,
          6510446.8504
        ],
        "chainage_start": 0,
        "length": 23.273243508604892
      },
      {
        "type": "ARC",
        "centre": [
          449968.5774766681,
          6510447.588727855
        ],
        "radius": 41.72725588099851,
        "start_angle_rad": -0.017695062168465718,
        "sweep_rad": -0.7677031012205946,
        "start": [
          450010.2982,
          6510446.8504
        ],
        "end": [
          449998.0831022619,
          6510418.083102262
        ],
        "chainage_start": 23.273243508604892,
        "length": 32.034143745267855,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449998.0831022621,
          6510418.083102262
        ],
        "end": [
          449979.3375554842,
          6510399.337555484
        ],
        "chainage_start": 55.30738725387275,
        "length": 26.51020648729229
      },
      {
        "type": "ARC",
        "centre": [
          449963.9239429641,
          6510414.751168004
        ],
        "radius": 21.798139871079588,
        "start_angle_rad": -0.785398163405001,
        "sweep_rad": -1.0893455491647872,
        "start": [
          449979.3375554842,
          6510399.337555484
        ],
        "end": [
          449957.4,
          6510393.9522
        ],
        "chainage_start": 81.81759374116504,
        "length": 23.745706648632037,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449957.39999999985,
          6510393.9522
        ],
        "end": [
          449952.6,
          6510395.4578
        ],
        "chainage_start": 105.56330038979708,
        "length": 5.030589563676348
      },
      {
        "type": "ARC",
        "centre": [
          449951.62984505703,
          6510392.364851192
        ],
        "radius": 3.2415324994320986,
        "start_angle_rad": 1.266848941013347,
        "sweep_rad": 2.6601674193957217,
        "start": [
          449952.6,
          6510395.4578
        ],
        "end": [
          449949.3377939944,
          6510390.072683033
        ],
        "chainage_start": 110.59388995347342,
        "length": 8.623019143901649,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449949.33779399435,
          6510390.072683033
        ],
        "end": [
          450135.75,
          6510203.67
        ],
        "chainage_start": 119.21690909737507,
        "length": 263.6199362523157
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 76.56736906993815,
        "pvi_z": 198.17785077247598,
        "bvc": 56.56736906993815,
        "evc": 96.56736906993815,
        "length": 40.0,
        "g1": -0.12316228291781718,
        "g2": -0.08087540566060011,
        "z_bvc": 200.64109643083233,
        "K_m_per_percent": 9.459199305896544
      },
      {
        "pvi_ch": 153.1347381398763,
        "pvi_z": 191.98543373857984,
        "bvc": 133.1347381398763,
        "evc": 173.1347381398763,
        "length": 40.0,
        "g1": -0.08087540566060011,
        "g2": -0.04416285642075639,
        "z_bvc": 193.60294185179185,
        "K_m_per_percent": 10.895456956333733
      },
      {
        "pvi_ch": 229.70210720981447,
        "pvi_z": 188.6040000118291,
        "bvc": 209.70210720981447,
        "evc": 249.70210720981447,
        "length": 40.0,
        "g1": -0.04416285642075639,
        "g2": 0.0033096917268034642,
        "z_bvc": 189.48725714024422,
        "K_m_per_percent": 8.425922256304258
      },
      {
        "pvi_ch": 306.2694762797526,
        "pvi_z": 188.85741439978298,
        "bvc": 286.2694762797526,
        "evc": 326.2694762797526,
        "length": 40.0,
        "g1": 0.0033096917268034642,
        "g2": -0.005769226153491943,
        "z_bvc": 188.7912205652469,
        "K_m_per_percent": 44.05811411381386
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450010.71,
        "northing": 6510470.12,
        "existing_z": 207.6081,
        "design_z": 207.6081,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450010.5331,
        "northing": 6510460.1216,
        "existing_z": 206.579,
        "design_z": 206.3764,
        "delta_z": -0.2026
      },
      {
        "ch": 20.0,
        "easting": 450010.3561,
        "northing": 6510450.1231,
        "existing_z": 205.5439,
        "design_z": 205.1448,
        "delta_z": -0.3991
      },
      {
        "ch": 30.0,
        "easting": 450009.6387,
        "northing": 6510440.1634,
        "existing_z": 204.4579,
        "design_z": 203.9132,
        "delta_z": -0.5448
      },
      {
        "ch": 40.0,
        "easting": 450006.7027,
        "northing": 6510430.6291,
        "existing_z": 203.1464,
        "design_z": 202.6816,
        "delta_z": -0.4648
      },
      {
        "ch": 50.0,
        "easting": 450001.5875,
        "northing": 6510422.0642,
        "existing_z": 201.6356,
        "design_z": 201.4499,
        "delta_z": -0.1856
      },
      {
        "ch": 56.5674,
        "easting": 449997.1922,
        "northing": 6510417.1922,
        "existing_z": 200.6667,
        "design_z": 200.6411,
        "delta_z": -0.0256
      },
      {
        "ch": 60.0,
        "easting": 449994.7649,
        "northing": 6510414.7649,
        "existing_z": 200.174,
        "design_z": 200.2246,
        "delta_z": 0.0506
      },
      {
        "ch": 70.0,
        "easting": 449987.6939,
        "northing": 6510407.6939,
        "existing_z": 198.6251,
        "design_z": 199.0821,
        "delta_z": 0.457
      },
      {
        "ch": 76.5674,
        "easting": 449983.05,
        "northing": 6510403.05,
        "existing_z": 197.4577,
        "design_z": 198.3893,
        "delta_z": 0.9316
      },
      {
        "ch": 80.0,
        "easting": 449980.6228,
        "northing": 6510400.6228,
        "existing_z": 196.8732,
        "design_z": 198.0453,
        "delta_z": 1.1722
      },
      {
        "ch": 90.0,
        "easting": 449972.6134,
        "northing": 6510394.7599,
        "existing_z": 195.2721,
        "design_z": 197.1143,
        "delta_z": 1.8422
      },
      {
        "ch": 96.5674,
        "easting": 449966.2897,
        "northing": 6510393.0818,
        "existing_z": 194.1071,
        "design_z": 196.5603,
        "delta_z": 2.4532
      },
      {
        "ch": 100.0,
        "easting": 449962.8622,
        "northing": 6510392.9789,
        "existing_z": 193.4572,
        "design_z": 196.2827,
        "delta_z": 2.8255
      },
      {
        "ch": 110.0,
        "easting": 449953.1667,
        "northing": 6510395.2801,
        "existing_z": 191.8126,
        "design_z": 195.474,
        "delta_z": 3.6614
      },
      {
        "ch": 120.0,
        "easting": 449949.8915,
        "northing": 6510389.519,
        "existing_z": 190.7649,
        "design_z": 194.6652,
        "delta_z": 3.9003
      },
      {
        "ch": 130.0,
        "easting": 449956.9628,
        "northing": 6510382.4481,
        "existing_z": 191.2675,
        "design_z": 193.8565,
        "delta_z": 2.589
      },
      {
        "ch": 133.1347,
        "easting": 449959.1794,
        "northing": 6510380.2315,
        "existing_z": 191.3989,
        "design_z": 193.6029,
        "delta_z": 2.204
      },
      {
        "ch": 140.0,
        "easting": 449964.034,
        "northing": 6510375.3772,
        "existing_z": 191.6472,
        "design_z": 193.0693,
        "delta_z": 1.4221
      },
      {
        "ch": 150.0,
        "easting": 449971.1053,
        "northing": 6510368.3063,
        "existing_z": 191.788,
        "design_z": 192.3695,
        "delta_z": 0.5815
      },
      {
        "ch": 153.1347,
        "easting": 449973.3219,
        "northing": 6510366.0898,
        "existing_z": 191.653,
        "design_z": 192.169,
        "delta_z": 0.516
      },
      {
        "ch": 160.0,
        "easting": 449978.1765,
        "northing": 6510361.2354,
        "existing_z": 191.3696,
        "design_z": 191.7614,
        "delta_z": 0.3918
      },
      {
        "ch": 170.0,
        "easting": 449985.2478,
        "northing": 6510354.1645,
        "existing_z": 190.987,
        "design_z": 191.2451,
        "delta_z": 0.2581
      },
      {
        "ch": 173.1347,
        "easting": 449987.4644,
        "northing": 6510351.948,
        "existing_z": 190.8744,
        "design_z": 191.1022,
        "delta_z": 0.2278
      },
      {
        "ch": 180.0,
        "easting": 449992.319,
        "northing": 6510347.0936,
        "existing_z": 190.5274,
        "design_z": 190.799,
        "delta_z": 0.2716
      },
      {
        "ch": 190.0,
        "easting": 449999.3903,
        "northing": 6510340.0228,
        "existing_z": 189.9025,
        "design_z": 190.3574,
        "delta_z": 0.4549
      },
      {
        "ch": 200.0,
        "easting": 450006.4615,
        "northing": 6510332.9519,
        "existing_z": 189.3451,
        "design_z": 189.9157,
        "delta_z": 0.5706
      },
      {
        "ch": 209.7021,
        "easting": 450013.3221,
        "northing": 6510326.0916,
        "existing_z": 188.7728,
        "design_z": 189.4873,
        "delta_z": 0.7145
      },
      {
        "ch": 210.0,
        "easting": 450013.5328,
        "northing": 6510325.881,
        "existing_z": 188.7529,
        "design_z": 189.4742,
        "delta_z": 0.7213
      },
      {
        "ch": 220.0,
        "easting": 450020.604,
        "northing": 6510318.8101,
        "existing_z": 188.1389,
        "design_z": 189.0954,
        "delta_z": 0.9565
      },
      {
        "ch": 229.7021,
        "easting": 450027.4646,
        "northing": 6510311.9498,
        "existing_z": 187.6466,
        "design_z": 188.8414,
        "delta_z": 1.1948
      },
      {
        "ch": 230.0,
        "easting": 450027.6753,
        "northing": 6510311.7392,
        "existing_z": 187.6331,
        "design_z": 188.8353,
        "delta_z": 1.2023
      },
      {
        "ch": 240.0,
        "easting": 450034.7465,
        "northing": 6510304.6683,
        "existing_z": 187.1708,
        "design_z": 188.6939,
        "delta_z": 1.5232
      },
      {
        "ch": 249.7021,
        "easting": 450041.6071,
        "northing": 6510297.8081,
        "existing_z": 186.8388,
        "design_z": 188.6702,
        "delta_z": 1.8314
      },
      {
        "ch": 250.0,
        "easting": 450041.8178,
        "northing": 6510297.5974,
        "existing_z": 186.8312,
        "design_z": 188.6712,
        "delta_z": 1.84
      },
      {
        "ch": 260.0,
        "easting": 450048.889,
        "northing": 6510290.5265,
        "existing_z": 186.6655,
        "design_z": 188.7043,
        "delta_z": 2.0387
      },
      {
        "ch": 270.0,
        "easting": 450055.9603,
        "northing": 6510283.4557,
        "existing_z": 186.6065,
        "design_z": 188.7374,
        "delta_z": 2.1309
      },
      {
        "ch": 280.0,
        "easting": 450063.0315,
        "northing": 6510276.3848,
        "existing_z": 186.8469,
        "design_z": 188.7705,
        "delta_z": 1.9236
      },
      {
        "ch": 286.2695,
        "easting": 450067.4648,
        "northing": 6510271.9517,
        "existing_z": 187.1582,
        "design_z": 188.7912,
        "delta_z": 1.633
      },
      {
        "ch": 290.0,
        "easting": 450070.1028,
        "northing": 6510269.3139,
        "existing_z": 187.4012,
        "design_z": 188.802,
        "delta_z": 1.4008
      },
      {
        "ch": 300.0,
        "easting": 450077.174,
        "northing": 6510262.243,
        "existing_z": 188.3981,
        "design_z": 188.8153,
        "delta_z": 0.4171
      },
      {
        "ch": 306.2695,
        "easting": 450081.6073,
        "northing": 6510257.8099,
        "existing_z": 189.2604,
        "design_z": 188.812,
        "delta_z": -0.4484
      },
      {
        "ch": 310.0,
        "easting": 450084.2453,
        "northing": 6510255.1721,
        "existing_z": 189.8602,
        "design_z": 188.8059,
        "delta_z": -1.0544
      },
      {
        "ch": 320.0,
        "easting": 450091.3165,
        "northing": 6510248.1012,
        "existing_z": 191.5317,
        "design_z": 188.7737,
        "delta_z": -2.758
      },
      {
        "ch": 326.2695,
        "easting": 450095.7498,
        "northing": 6510243.6681,
        "existing_z": 192.1361,
        "design_z": 188.742,
        "delta_z": -3.394
      },
      {
        "ch": 330.0,
        "easting": 450098.3878,
        "northing": 6510241.0303,
        "existing_z": 192.5068,
        "design_z": 188.7205,
        "delta_z": -3.7863
      },
      {
        "ch": 340.0,
        "easting": 450105.459,
        "northing": 6510233.9595,
        "existing_z": 193.5415,
        "design_z": 188.6628,
        "delta_z": -4.8787
      },
      {
        "ch": 350.0,
        "easting": 450112.5303,
        "northing": 6510226.8886,
        "existing_z": 193.6351,
        "design_z": 188.6051,
        "delta_z": -5.03
      },
      {
        "ch": 360.0,
        "easting": 450119.6015,
        "northing": 6510219.8177,
        "existing_z": 192.3334,
        "design_z": 188.5474,
        "delta_z": -3.7859
      },
      {
        "ch": 370.0,
        "easting": 450126.6727,
        "northing": 6510212.7468,
        "existing_z": 191.2688,
        "design_z": 188.4897,
        "delta_z": -2.779
      },
      {
        "ch": 380.0,
        "easting": 450133.744,
        "northing": 6510205.6759,
        "existing_z": 189.2073,
        "design_z": 188.432,
        "delta_z": -0.7753
      },
      {
        "ch": 382.8368,
        "easting": 450135.75,
        "northing": 6510203.67,
        "existing_z": 188.4157,
        "design_z": 188.4157,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD142",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 124.986,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 10.82,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450190.0,
          6510290.83
        ],
        "end": [
          450190.0,
          6510318.120606076
        ],
        "chainage_start": 0,
        "length": 27.290606075897813
      },
      {
        "type": "ARC",
        "centre": [
          450161.32060607604,
          6510318.120606076
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 0.0,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450190.0,
          6510318.120606076
        ],
        "end": [
          450181.6,
          6510338.4
        ],
        "chainage_start": 27.290606075897813,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450181.6,
          6510338.399999999
        ],
        "end": [
          450178.4,
          6510341.6
        ],
        "chainage_start": 49.81534939110751,
        "length": 4.5254833996926855
      },
      {
        "type": "ARC",
        "centre": [
          450198.67939392396,
          6510361.879393923
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": -2.356194490203826,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450178.4,
          6510341.6
        ],
        "end": [
          450170.0,
          6510361.879393924
        ],
        "chainage_start": 54.34083279080019,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450170.0,
          6510361.879393923
        ],
        "end": [
          450170.0,
          6510410.0
        ],
        "chainage_start": 76.86557610600988,
        "length": 48.12060607690364
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 62.49309109145676,
        "pvi_z": 174.3730576751085,
        "bvc": 42.49309109145676,
        "evc": 82.49309109145676,
        "length": 40.0,
        "g1": 0.08934134764906157,
        "g2": 0.10816241851200607,
        "z_bvc": 172.58623072212725,
        "K_m_per_percent": 21.252775833681824
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450190.0,
        "northing": 6510290.83,
        "existing_z": 168.7898,
        "design_z": 168.7898,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450190.0,
        "northing": 6510300.83,
        "existing_z": 169.4643,
        "design_z": 169.6833,
        "delta_z": 0.219
      },
      {
        "ch": 20.0,
        "easting": 450190.0,
        "northing": 6510310.83,
        "existing_z": 170.1581,
        "design_z": 170.5767,
        "delta_z": 0.4186
      },
      {
        "ch": 30.0,
        "easting": 450189.8721,
        "northing": 6510320.826,
        "existing_z": 171.0764,
        "design_z": 171.4701,
        "delta_z": 0.3936
      },
      {
        "ch": 40.0,
        "easting": 450187.2297,
        "northing": 6510330.4181,
        "existing_z": 172.1028,
        "design_z": 172.3635,
        "delta_z": 0.2607
      },
      {
        "ch": 42.4931,
        "easting": 450186.0642,
        "northing": 6510332.6211,
        "existing_z": 172.3986,
        "design_z": 172.5862,
        "delta_z": 0.1876
      },
      {
        "ch": 50.0,
        "easting": 450181.4694,
        "northing": 6510338.5306,
        "existing_z": 173.1663,
        "design_z": 173.2702,
        "delta_z": 0.1039
      },
      {
        "ch": 60.0,
        "easting": 450174.8178,
        "northing": 6510345.9692,
        "existing_z": 173.9166,
        "design_z": 174.2224,
        "delta_z": 0.3058
      },
      {
        "ch": 62.4931,
        "easting": 450173.5266,
        "northing": 6510348.101,
        "existing_z": 174.0752,
        "design_z": 174.4672,
        "delta_z": 0.3919
      },
      {
        "ch": 70.0,
        "easting": 450170.8179,
        "northing": 6510355.0792,
        "existing_z": 174.6026,
        "design_z": 175.2217,
        "delta_z": 0.6192
      },
      {
        "ch": 80.0,
        "easting": 450170.0,
        "northing": 6510365.0138,
        "existing_z": 175.3548,
        "design_z": 176.2681,
        "delta_z": 0.9133
      },
      {
        "ch": 82.4931,
        "easting": 450170.0,
        "northing": 6510367.5069,
        "existing_z": 175.5463,
        "design_z": 176.5363,
        "delta_z": 0.99
      },
      {
        "ch": 90.0,
        "easting": 450170.0,
        "northing": 6510375.0138,
        "existing_z": 176.3358,
        "design_z": 177.3483,
        "delta_z": 1.0124
      },
      {
        "ch": 100.0,
        "easting": 450170.0,
        "northing": 6510385.0138,
        "existing_z": 177.5286,
        "design_z": 178.4299,
        "delta_z": 0.9013
      },
      {
        "ch": 110.0,
        "easting": 450170.0,
        "northing": 6510395.0138,
        "existing_z": 178.8777,
        "design_z": 179.5115,
        "delta_z": 0.6338
      },
      {
        "ch": 120.0,
        "easting": 450170.0,
        "northing": 6510405.0138,
        "existing_z": 180.3823,
        "design_z": 180.5931,
        "delta_z": 0.2109
      },
      {
        "ch": 124.9862,
        "easting": 450170.0,
        "northing": 6510410.0,
        "existing_z": 181.1325,
        "design_z": 181.1325,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD143",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 184.673,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.42,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451191.44,
          6510410.85
        ],
        "end": [
          451232.45180000004,
          6510369.838199999
        ],
        "chainage_start": 0,
        "length": 57.999443777672774
      },
      {
        "type": "ARC",
        "centre": [
          451262.15,
          6510399.5364
        ],
        "radius": 41.99959721804743,
        "start_angle_rad": -2.356194490184505,
        "sweep_rad": 1.5707963267952867,
        "start": [
          451232.45180000004,
          6510369.838199999
        ],
        "end": [
          451291.8482,
          6510369.8382
        ],
        "chainage_start": 57.999443777672774,
        "length": 65.97281303699044,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451291.84820000024,
          6510369.8382
        ],
        "end": [
          451334.77,
          6510412.76
        ],
        "chainage_start": 123.97225681466321,
        "length": 60.70059168106946
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 61.55761616524422,
        "pvi_z": 149.5223132111807,
        "bvc": 41.55761616524422,
        "evc": 81.55761616524421,
        "length": 40.0,
        "g1": -0.053191849011369356,
        "g2": 0.012882091108658879,
        "z_bvc": 150.58615019140808,
        "K_m_per_percent": 6.053823932300241
      },
      {
        "pvi_ch": 123.11523233048844,
        "pvi_z": 150.31530403105322,
        "bvc": 103.11523233048844,
        "evc": 143.11523233048842,
        "length": 40.0,
        "g1": 0.012882091108658879,
        "g2": 0.0641943065661848,
        "z_bvc": 150.05766220888003,
        "K_m_per_percent": 7.795414725975007
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451191.44,
        "northing": 6510410.85,
        "existing_z": 152.7967,
        "design_z": 152.7967,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451198.5111,
        "northing": 6510403.7789,
        "existing_z": 152.1522,
        "design_z": 152.2648,
        "delta_z": 0.1126
      },
      {
        "ch": 20.0,
        "easting": 451205.5821,
        "northing": 6510396.7079,
        "existing_z": 151.4762,
        "design_z": 151.7328,
        "delta_z": 0.2567
      },
      {
        "ch": 30.0,
        "easting": 451212.6532,
        "northing": 6510389.6368,
        "existing_z": 150.7701,
        "design_z": 151.2009,
        "delta_z": 0.4308
      },
      {
        "ch": 40.0,
        "easting": 451219.7243,
        "northing": 6510382.5657,
        "existing_z": 150.0813,
        "design_z": 150.669,
        "delta_z": 0.5877
      },
      {
        "ch": 41.5576,
        "easting": 451220.8257,
        "northing": 6510381.4643,
        "existing_z": 149.9718,
        "design_z": 150.5862,
        "delta_z": 0.6143
      },
      {
        "ch": 50.0,
        "easting": 451226.7953,
        "northing": 6510375.4947,
        "existing_z": 149.3691,
        "design_z": 150.196,
        "delta_z": 0.8269
      },
      {
        "ch": 60.0,
        "easting": 451233.8996,
        "northing": 6510368.4578,
        "existing_z": 148.7002,
        "design_z": 149.8861,
        "delta_z": 1.1859
      },
      {
        "ch": 61.5576,
        "easting": 451235.0713,
        "northing": 6510367.4317,
        "existing_z": 148.6238,
        "design_z": 149.8527,
        "delta_z": 1.2288
      },
      {
        "ch": 70.0,
        "easting": 451242.0266,
        "northing": 6510362.6716,
        "existing_z": 148.2881,
        "design_z": 149.7414,
        "delta_z": 1.4533
      },
      {
        "ch": 80.0,
        "easting": 451251.289,
        "northing": 6510358.9654,
        "existing_z": 148.0853,
        "design_z": 149.7619,
        "delta_z": 1.6766
      },
      {
        "ch": 81.5576,
        "easting": 451252.8008,
        "northing": 6510358.5906,
        "existing_z": 148.0855,
        "design_z": 149.78,
        "delta_z": 1.6944
      },
      {
        "ch": 90.0,
        "easting": 451261.1642,
        "northing": 6510357.5484,
        "existing_z": 148.1762,
        "design_z": 149.8887,
        "delta_z": 1.7125
      },
      {
        "ch": 100.0,
        "easting": 451271.0951,
        "northing": 6510358.5004,
        "existing_z": 148.4685,
        "design_z": 150.0175,
        "delta_z": 1.549
      },
      {
        "ch": 103.1152,
        "easting": 451274.1115,
        "northing": 6510359.2761,
        "existing_z": 148.5991,
        "design_z": 150.0577,
        "delta_z": 1.4586
      },
      {
        "ch": 110.0,
        "easting": 451280.5213,
        "northing": 6510361.7679,
        "existing_z": 148.9384,
        "design_z": 150.1768,
        "delta_z": 1.2383
      },
      {
        "ch": 120.0,
        "easting": 451288.9108,
        "northing": 6510367.1663,
        "existing_z": 149.5313,
        "design_z": 150.458,
        "delta_z": 0.9267
      },
      {
        "ch": 123.1152,
        "easting": 451291.2361,
        "northing": 6510369.2384,
        "existing_z": 149.7269,
        "design_z": 150.5719,
        "delta_z": 0.845
      },
      {
        "ch": 130.0,
        "easting": 451296.1105,
        "northing": 6510374.1005,
        "existing_z": 150.2495,
        "design_z": 150.8676,
        "delta_z": 0.6181
      },
      {
        "ch": 140.0,
        "easting": 451303.1815,
        "northing": 6510381.1715,
        "existing_z": 151.0067,
        "design_z": 151.4054,
        "delta_z": 0.3988
      },
      {
        "ch": 143.1152,
        "easting": 451305.3843,
        "northing": 6510383.3743,
        "existing_z": 151.235,
        "design_z": 151.5992,
        "delta_z": 0.3641
      },
      {
        "ch": 150.0,
        "easting": 451310.2526,
        "northing": 6510388.2426,
        "existing_z": 151.7247,
        "design_z": 152.0412,
        "delta_z": 0.3165
      },
      {
        "ch": 160.0,
        "easting": 451317.3237,
        "northing": 6510395.3137,
        "existing_z": 152.4652,
        "design_z": 152.6831,
        "delta_z": 0.2179
      },
      {
        "ch": 170.0,
        "easting": 451324.3947,
        "northing": 6510402.3847,
        "existing_z": 153.22,
        "design_z": 153.325,
        "delta_z": 0.105
      },
      {
        "ch": 180.0,
        "easting": 451331.4658,
        "northing": 6510409.4558,
        "existing_z": 153.9295,
        "design_z": 153.967,
        "delta_z": 0.0375
      },
      {
        "ch": 184.6728,
        "easting": 451334.77,
        "northing": 6510412.76,
        "existing_z": 154.267,
        "design_z": 154.267,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD144",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 253.554,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 16.92,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450010.71,
          6510470.12
        ],
        "end": [
          450190.0,
          6510290.83
        ],
        "chainage_start": 0,
        "length": 253.55434959788374
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 63.388587399470936,
        "pvi_z": 197.4188145452378,
        "bvc": 43.388587399470936,
        "evc": 83.38858739947094,
        "length": 40.0,
        "g1": -0.16074262918482168,
        "g2": -0.16924350871730734,
        "z_bvc": 200.63366712893423,
        "K_m_per_percent": 47.05395464921264
      },
      {
        "pvi_ch": 126.77717479894187,
        "pvi_z": 186.69070760111765,
        "bvc": 106.77717479894187,
        "evc": 146.77717479894187,
        "length": 40.0,
        "g1": -0.16924350871730734,
        "g2": -0.14900893045622027,
        "z_bvc": 190.07557777546378,
        "K_m_per_percent": 19.768141190727768
      },
      {
        "pvi_ch": 190.1657621984128,
        "pvi_z": 177.24524198959185,
        "bvc": 170.1657621984128,
        "evc": 210.1657621984128,
        "length": 40.0,
        "g1": -0.14900893045622027,
        "g2": -0.1333899624243753,
        "z_bvc": 180.22542059871625,
        "K_m_per_percent": 25.60988659330465
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450010.71,
        "northing": 6510470.12,
        "existing_z": 207.6081,
        "design_z": 207.6081,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450017.7811,
        "northing": 6510463.0489,
        "existing_z": 206.3103,
        "design_z": 206.0006,
        "delta_z": -0.3097
      },
      {
        "ch": 20.0,
        "easting": 450024.8521,
        "northing": 6510455.9779,
        "existing_z": 205.1412,
        "design_z": 204.3932,
        "delta_z": -0.748
      },
      {
        "ch": 30.0,
        "easting": 450031.9232,
        "northing": 6510448.9068,
        "existing_z": 203.8727,
        "design_z": 202.7858,
        "delta_z": -1.0869
      },
      {
        "ch": 40.0,
        "easting": 450038.9943,
        "northing": 6510441.8357,
        "existing_z": 202.0655,
        "design_z": 201.1784,
        "delta_z": -0.8871
      },
      {
        "ch": 43.3886,
        "easting": 450041.3904,
        "northing": 6510439.4396,
        "existing_z": 201.472,
        "design_z": 200.6337,
        "delta_z": -0.8383
      },
      {
        "ch": 50.0,
        "easting": 450046.0653,
        "northing": 6510434.7647,
        "existing_z": 200.3416,
        "design_z": 199.5663,
        "delta_z": -0.7753
      },
      {
        "ch": 60.0,
        "easting": 450053.1364,
        "northing": 6510427.6936,
        "existing_z": 198.4269,
        "design_z": 197.9342,
        "delta_z": -0.4927
      },
      {
        "ch": 63.3886,
        "easting": 450055.5325,
        "northing": 6510425.2975,
        "existing_z": 197.6785,
        "design_z": 197.3763,
        "delta_z": -0.3022
      },
      {
        "ch": 70.0,
        "easting": 450060.2075,
        "northing": 6510420.6225,
        "existing_z": 196.2719,
        "design_z": 196.2808,
        "delta_z": 0.0089
      },
      {
        "ch": 80.0,
        "easting": 450067.2785,
        "northing": 6510413.5515,
        "existing_z": 194.2791,
        "design_z": 194.6062,
        "delta_z": 0.3272
      },
      {
        "ch": 83.3886,
        "easting": 450069.6746,
        "northing": 6510411.1554,
        "existing_z": 193.6405,
        "design_z": 194.0339,
        "delta_z": 0.3934
      },
      {
        "ch": 90.0,
        "easting": 450074.3496,
        "northing": 6510406.4804,
        "existing_z": 192.4042,
        "design_z": 192.915,
        "delta_z": 0.5108
      },
      {
        "ch": 100.0,
        "easting": 450081.4207,
        "northing": 6510399.4093,
        "existing_z": 190.6632,
        "design_z": 191.2226,
        "delta_z": 0.5594
      },
      {
        "ch": 106.7772,
        "easting": 450086.2129,
        "northing": 6510394.6171,
        "existing_z": 189.5778,
        "design_z": 190.0756,
        "delta_z": 0.4978
      },
      {
        "ch": 110.0,
        "easting": 450088.4917,
        "northing": 6510392.3383,
        "existing_z": 189.0884,
        "design_z": 189.5328,
        "delta_z": 0.4444
      },
      {
        "ch": 120.0,
        "easting": 450095.5628,
        "northing": 6510385.2672,
        "existing_z": 187.4741,
        "design_z": 187.8819,
        "delta_z": 0.4078
      },
      {
        "ch": 126.7772,
        "easting": 450100.355,
        "northing": 6510380.475,
        "existing_z": 186.3461,
        "design_z": 186.7919,
        "delta_z": 0.4457
      },
      {
        "ch": 130.0,
        "easting": 450102.6339,
        "northing": 6510378.1961,
        "existing_z": 185.8091,
        "design_z": 186.2817,
        "delta_z": 0.4725
      },
      {
        "ch": 140.0,
        "easting": 450109.7049,
        "northing": 6510371.1251,
        "existing_z": 184.1404,
        "design_z": 184.732,
        "delta_z": 0.5916
      },
      {
        "ch": 146.7772,
        "easting": 450114.4971,
        "northing": 6510366.3329,
        "existing_z": 182.9694,
        "design_z": 183.7105,
        "delta_z": 0.7412
      },
      {
        "ch": 150.0,
        "easting": 450116.776,
        "northing": 6510364.054,
        "existing_z": 182.4274,
        "design_z": 183.2303,
        "delta_z": 0.8029
      },
      {
        "ch": 160.0,
        "easting": 450123.8471,
        "northing": 6510356.9829,
        "existing_z": 180.7932,
        "design_z": 181.7402,
        "delta_z": 0.9471
      },
      {
        "ch": 170.0,
        "easting": 450130.9182,
        "northing": 6510349.9118,
        "existing_z": 179.2623,
        "design_z": 180.2501,
        "delta_z": 0.9878
      },
      {
        "ch": 170.1658,
        "easting": 450131.0354,
        "northing": 6510349.7946,
        "existing_z": 179.2464,
        "design_z": 180.2254,
        "delta_z": 0.979
      },
      {
        "ch": 180.0,
        "easting": 450137.9892,
        "northing": 6510342.8408,
        "existing_z": 178.2323,
        "design_z": 178.7789,
        "delta_z": 0.5466
      },
      {
        "ch": 190.0,
        "easting": 450145.0603,
        "northing": 6510335.7697,
        "existing_z": 177.0586,
        "design_z": 177.3467,
        "delta_z": 0.2881
      },
      {
        "ch": 190.1658,
        "easting": 450145.1775,
        "northing": 6510335.6525,
        "existing_z": 177.038,
        "design_z": 177.3233,
        "delta_z": 0.2854
      },
      {
        "ch": 200.0,
        "easting": 450152.1314,
        "northing": 6510328.6986,
        "existing_z": 175.8935,
        "design_z": 175.9536,
        "delta_z": 0.0601
      },
      {
        "ch": 210.0,
        "easting": 450159.2024,
        "northing": 6510321.6276,
        "existing_z": 174.8908,
        "design_z": 174.5996,
        "delta_z": -0.2913
      },
      {
        "ch": 210.1658,
        "easting": 450159.3196,
        "northing": 6510321.5104,
        "existing_z": 174.8709,
        "design_z": 174.5774,
        "delta_z": -0.2935
      },
      {
        "ch": 220.0,
        "easting": 450166.2735,
        "northing": 6510314.5565,
        "existing_z": 173.5002,
        "design_z": 173.2657,
        "delta_z": -0.2346
      },
      {
        "ch": 230.0,
        "easting": 450173.3446,
        "northing": 6510307.4854,
        "existing_z": 172.1758,
        "design_z": 171.9318,
        "delta_z": -0.244
      },
      {
        "ch": 240.0,
        "easting": 450180.4156,
        "northing": 6510300.4144,
        "existing_z": 171.018,
        "design_z": 170.5979,
        "delta_z": -0.4202
      },
      {
        "ch": 250.0,
        "easting": 450187.4867,
        "northing": 6510293.3433,
        "existing_z": 169.4475,
        "design_z": 169.264,
        "delta_z": -0.1835
      },
      {
        "ch": 253.5543,
        "easting": 450190.0,
        "northing": 6510290.83,
        "existing_z": 168.7898,
        "design_z": 168.7898,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD145",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 613.843,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.2,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451534.50135558395,
          6510553.522347871
        ],
        "end": [
          451930.1916098429,
          6510325.064587305
        ],
        "chainage_start": 0,
        "length": 456.90669252954035
      },
      {
        "type": "ARC",
        "centre": [
          451907.6911750855,
          6510286.093695145
        ],
        "radius": 45.0,
        "start_angle_rad": 1.0471863952857106,
        "sweep_rad": -1.0960838192308993,
        "start": [
          451930.1916098429,
          6510325.064587305
        ],
        "end": [
          451952.63738924684,
          6510283.894187801
        ],
        "chainage_start": 456.90669252954035,
        "length": 49.32377186539047,
        "target_radius": 45,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          451952.6373892469,
          6510283.894187801
        ],
        "end": [
          451950.5806403153,
          6510241.865195187
        ],
        "chainage_start": 506.23046439493083,
        "length": 42.07928749749157
      },
      {
        "type": "ARC",
        "centre": [
          451919.82997707813,
          6510243.370022922
        ],
        "radius": 30.787461669311224,
        "start_angle_rad": -0.048897423952516256,
        "sweep_rad": -0.7365007394470926,
        "start": [
          451950.5806403153,
          6510241.865195187
        ],
        "end": [
          451941.6,
          6510221.6
        ],
        "chainage_start": 548.3097518924224,
        "length": 22.674988285146735,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451941.6,
          6510221.6
        ],
        "end": [
          451938.4,
          6510218.4
        ],
        "chainage_start": 570.984740177569,
        "length": 4.525483399034141
      },
      {
        "type": "ARC",
        "centre": [
          451927.3563059173,
          6510229.443694083
        ],
        "radius": 15.618141950485162,
        "start_angle_rad": -0.7853981633948129,
        "sweep_rad": -1.3005204049082895,
        "start": [
          451938.4,
          6510218.4
        ],
        "end": [
          451919.6621652369,
          6510215.85227925
        ],
        "chainage_start": 575.5102235766032,
        "length": 20.311712293360106,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451919.662165237,
          6510215.85227925
        ],
        "end": [
          451903.98,
          6510224.73
        ],
        "chainage_start": 595.8219358699632,
        "length": 18.02066126011537
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 76.73032464125983,
        "pvi_z": 167.60680350457048,
        "bvc": 56.73032464125983,
        "evc": 96.73032464125983,
        "length": 40.0,
        "g1": 0.11793792403740617,
        "g2": 0.11513897992182065,
        "z_bvc": 165.24804502382236,
        "K_m_per_percent": 142.91103483369193
      },
      {
        "pvi_ch": 153.46064928251965,
        "pvi_z": 176.44145481283527,
        "bvc": 133.46064928251965,
        "evc": 173.46064928251965,
        "length": 40.0,
        "g1": 0.11513897992182065,
        "g2": 0.09994243206803832,
        "z_bvc": 174.13867521439886,
        "K_m_per_percent": 26.321767538832344
      },
      {
        "pvi_ch": 230.1909739237795,
        "pvi_z": 184.1100700708529,
        "bvc": 210.1909739237795,
        "evc": 250.1909739237795,
        "length": 40.0,
        "g1": 0.09994243206803832,
        "g2": 0.07066720439276536,
        "z_bvc": 182.11122142949213,
        "K_m_per_percent": 13.663429177627066
      },
      {
        "pvi_ch": 306.9212985650393,
        "pvi_z": 189.53238760540006,
        "bvc": 286.9212985650393,
        "evc": 326.9212985650393,
        "length": 40.0,
        "g1": 0.07066720439276536,
        "g2": 0.022561836315099802,
        "z_bvc": 188.11904351754475,
        "K_m_per_percent": 8.31508033270226
      },
      {
        "pvi_ch": 383.6516232062991,
        "pvi_z": 191.26356463036063,
        "bvc": 363.6516232062991,
        "evc": 403.6516232062991,
        "length": 40.0,
        "g1": 0.022561836315099802,
        "g2": -0.040730858537527954,
        "z_bvc": 190.81232790405863,
        "K_m_per_percent": 6.319844666613891
      },
      {
        "pvi_ch": 460.381947847559,
        "pvi_z": 188.13827263185888,
        "bvc": 436.00650788018305,
        "evc": 484.75738781493493,
        "length": 48.750879934751836,
        "g1": -0.040730858537527954,
        "g2": -0.12198232509544768,
        "z_bvc": 189.13110522896008,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 537.1122724888188,
        "pvi_z": 178.7785292267895,
        "bvc": 517.1122724888188,
        "evc": 557.1122724888188,
        "length": 40.0,
        "g1": -0.12198232509544768,
        "g2": -0.06987547077292781,
        "z_bvc": 181.21817572869844,
        "K_m_per_percent": 7.676533254611102
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451534.5014,
        "northing": 6510553.5223,
        "existing_z": 158.5574,
        "design_z": 158.5574,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451543.1616,
        "northing": 6510548.5223,
        "existing_z": 159.157,
        "design_z": 159.7368,
        "delta_z": 0.5797
      },
      {
        "ch": 20.0,
        "easting": 451551.8218,
        "northing": 6510543.5222,
        "existing_z": 160.0057,
        "design_z": 160.9161,
        "delta_z": 0.9105
      },
      {
        "ch": 30.0,
        "easting": 451560.482,
        "northing": 6510538.5221,
        "existing_z": 161.1521,
        "design_z": 162.0955,
        "delta_z": 0.9434
      },
      {
        "ch": 40.0,
        "easting": 451569.1421,
        "northing": 6510533.522,
        "existing_z": 162.369,
        "design_z": 163.2749,
        "delta_z": 0.9059
      },
      {
        "ch": 50.0,
        "easting": 451577.8023,
        "northing": 6510528.5219,
        "existing_z": 163.719,
        "design_z": 164.4543,
        "delta_z": 0.7353
      },
      {
        "ch": 56.7303,
        "easting": 451583.6309,
        "northing": 6510525.1566,
        "existing_z": 164.6688,
        "design_z": 165.248,
        "delta_z": 0.5793
      },
      {
        "ch": 60.0,
        "easting": 451586.4625,
        "northing": 6510523.5218,
        "existing_z": 165.1362,
        "design_z": 165.6333,
        "delta_z": 0.4971
      },
      {
        "ch": 70.0,
        "easting": 451595.1227,
        "northing": 6510518.5217,
        "existing_z": 166.5865,
        "design_z": 166.8069,
        "delta_z": 0.2204
      },
      {
        "ch": 76.7303,
        "easting": 451600.9513,
        "northing": 6510515.1564,
        "existing_z": 167.5741,
        "design_z": 167.5928,
        "delta_z": 0.0188
      },
      {
        "ch": 80.0,
        "easting": 451603.7829,
        "northing": 6510513.5216,
        "existing_z": 168.057,
        "design_z": 167.9735,
        "delta_z": -0.0835
      },
      {
        "ch": 90.0,
        "easting": 451612.4431,
        "northing": 6510508.5215,
        "existing_z": 169.4955,
        "design_z": 169.1331,
        "delta_z": -0.3624
      },
      {
        "ch": 96.7303,
        "easting": 451618.2717,
        "northing": 6510505.1563,
        "existing_z": 170.3822,
        "design_z": 169.9096,
        "delta_z": -0.4726
      },
      {
        "ch": 100.0,
        "easting": 451621.1033,
        "northing": 6510503.5214,
        "existing_z": 170.8135,
        "design_z": 170.2861,
        "delta_z": -0.5274
      },
      {
        "ch": 110.0,
        "easting": 451629.7635,
        "northing": 6510498.5213,
        "existing_z": 172.1345,
        "design_z": 171.4374,
        "delta_z": -0.697
      },
      {
        "ch": 120.0,
        "easting": 451638.4237,
        "northing": 6510493.5212,
        "existing_z": 173.2301,
        "design_z": 172.5888,
        "delta_z": -0.6412
      },
      {
        "ch": 130.0,
        "easting": 451647.0839,
        "northing": 6510488.5211,
        "existing_z": 174.3308,
        "design_z": 173.7402,
        "delta_z": -0.5906
      },
      {
        "ch": 133.4606,
        "easting": 451650.0809,
        "northing": 6510486.7907,
        "existing_z": 174.7122,
        "design_z": 174.1387,
        "delta_z": -0.5736
      },
      {
        "ch": 140.0,
        "easting": 451655.7441,
        "northing": 6510483.521,
        "existing_z": 175.3356,
        "design_z": 174.8835,
        "delta_z": -0.4521
      },
      {
        "ch": 150.0,
        "easting": 451664.4043,
        "northing": 6510478.5209,
        "existing_z": 176.3181,
        "design_z": 175.991,
        "delta_z": -0.3271
      },
      {
        "ch": 153.4606,
        "easting": 451667.4013,
        "northing": 6510476.7905,
        "existing_z": 176.6664,
        "design_z": 176.3655,
        "delta_z": -0.301
      },
      {
        "ch": 160.0,
        "easting": 451673.0645,
        "northing": 6510473.5208,
        "existing_z": 177.3257,
        "design_z": 177.0606,
        "delta_z": -0.2651
      },
      {
        "ch": 170.0,
        "easting": 451681.7247,
        "northing": 6510468.5207,
        "existing_z": 178.3224,
        "design_z": 178.0922,
        "delta_z": -0.2303
      },
      {
        "ch": 173.4606,
        "easting": 451684.7217,
        "northing": 6510466.7903,
        "existing_z": 178.6642,
        "design_z": 178.4403,
        "delta_z": -0.2239
      },
      {
        "ch": 180.0,
        "easting": 451690.3849,
        "northing": 6510463.5206,
        "existing_z": 179.3157,
        "design_z": 179.0939,
        "delta_z": -0.2218
      },
      {
        "ch": 190.0,
        "easting": 451699.0451,
        "northing": 6510458.5205,
        "existing_z": 180.3626,
        "design_z": 180.0933,
        "delta_z": -0.2694
      },
      {
        "ch": 200.0,
        "easting": 451707.7053,
        "northing": 6510453.5204,
        "existing_z": 181.3826,
        "design_z": 181.0927,
        "delta_z": -0.2898
      },
      {
        "ch": 210.0,
        "easting": 451716.3655,
        "northing": 6510448.5203,
        "existing_z": 182.4223,
        "design_z": 182.0921,
        "delta_z": -0.3302
      },
      {
        "ch": 210.191,
        "easting": 451716.5309,
        "northing": 6510448.4248,
        "existing_z": 182.4418,
        "design_z": 182.1112,
        "delta_z": -0.3306
      },
      {
        "ch": 220.0,
        "easting": 451725.0257,
        "northing": 6510443.5202,
        "existing_z": 183.4305,
        "design_z": 183.0563,
        "delta_z": -0.3742
      },
      {
        "ch": 230.0,
        "easting": 451733.6859,
        "northing": 6510438.5201,
        "existing_z": 184.4497,
        "design_z": 183.9474,
        "delta_z": -0.5023
      },
      {
        "ch": 230.191,
        "easting": 451733.8513,
        "northing": 6510438.4246,
        "existing_z": 184.4699,
        "design_z": 183.9637,
        "delta_z": -0.5062
      },
      {
        "ch": 240.0,
        "easting": 451742.3461,
        "northing": 6510433.52,
        "existing_z": 185.4932,
        "design_z": 184.7652,
        "delta_z": -0.728
      },
      {
        "ch": 250.0,
        "easting": 451751.0063,
        "northing": 6510428.5199,
        "existing_z": 186.4879,
        "design_z": 185.5099,
        "delta_z": -0.9779
      },
      {
        "ch": 250.191,
        "easting": 451751.1717,
        "northing": 6510428.4244,
        "existing_z": 186.5063,
        "design_z": 185.5234,
        "delta_z": -0.9829
      },
      {
        "ch": 260.0,
        "easting": 451759.6665,
        "northing": 6510423.5198,
        "existing_z": 187.4216,
        "design_z": 186.2166,
        "delta_z": -1.205
      },
      {
        "ch": 270.0,
        "easting": 451768.3267,
        "northing": 6510418.5197,
        "existing_z": 188.2926,
        "design_z": 186.9233,
        "delta_z": -1.3694
      },
      {
        "ch": 280.0,
        "easting": 451776.9869,
        "northing": 6510413.5196,
        "existing_z": 189.0557,
        "design_z": 187.6299,
        "delta_z": -1.4257
      },
      {
        "ch": 286.9213,
        "easting": 451782.9809,
        "northing": 6510410.0589,
        "existing_z": 189.5256,
        "design_z": 188.119,
        "delta_z": -1.4066
      },
      {
        "ch": 290.0,
        "easting": 451785.6471,
        "northing": 6510408.5195,
        "existing_z": 189.6613,
        "design_z": 188.3309,
        "delta_z": -1.3304
      },
      {
        "ch": 300.0,
        "easting": 451794.3073,
        "northing": 6510403.5194,
        "existing_z": 190.0319,
        "design_z": 188.9404,
        "delta_z": -1.0915
      },
      {
        "ch": 306.9213,
        "easting": 451800.3013,
        "northing": 6510400.0587,
        "existing_z": 190.2459,
        "design_z": 189.2919,
        "delta_z": -0.9541
      },
      {
        "ch": 310.0,
        "easting": 451802.9675,
        "northing": 6510398.5194,
        "existing_z": 190.3339,
        "design_z": 189.4297,
        "delta_z": -0.9042
      },
      {
        "ch": 320.0,
        "easting": 451811.6277,
        "northing": 6510393.5193,
        "existing_z": 190.601,
        "design_z": 189.7987,
        "delta_z": -0.8023
      },
      {
        "ch": 326.9213,
        "easting": 451817.6217,
        "northing": 6510390.0585,
        "existing_z": 190.8028,
        "design_z": 189.9836,
        "delta_z": -0.8192
      },
      {
        "ch": 330.0,
        "easting": 451820.2879,
        "northing": 6510388.5192,
        "existing_z": 190.8622,
        "design_z": 190.0531,
        "delta_z": -0.8091
      },
      {
        "ch": 340.0,
        "easting": 451828.9481,
        "northing": 6510383.5191,
        "existing_z": 191.0541,
        "design_z": 190.2787,
        "delta_z": -0.7754
      },
      {
        "ch": 350.0,
        "easting": 451837.6083,
        "northing": 6510378.519,
        "existing_z": 191.2936,
        "design_z": 190.5043,
        "delta_z": -0.7893
      },
      {
        "ch": 360.0,
        "easting": 451846.2685,
        "northing": 6510373.5189,
        "existing_z": 191.5338,
        "design_z": 190.7299,
        "delta_z": -0.8038
      },
      {
        "ch": 363.6516,
        "easting": 451849.4309,
        "northing": 6510371.693,
        "existing_z": 191.62,
        "design_z": 190.8123,
        "delta_z": -0.8076
      },
      {
        "ch": 370.0,
        "easting": 451854.9287,
        "northing": 6510368.5188,
        "existing_z": 191.7485,
        "design_z": 190.9237,
        "delta_z": -0.8248
      },
      {
        "ch": 380.0,
        "easting": 451863.5889,
        "northing": 6510363.5187,
        "existing_z": 191.8847,
        "design_z": 190.9697,
        "delta_z": -0.915
      },
      {
        "ch": 383.6516,
        "easting": 451866.7513,
        "northing": 6510361.6928,
        "existing_z": 191.9264,
        "design_z": 190.9471,
        "delta_z": -0.9793
      },
      {
        "ch": 390.0,
        "easting": 451872.2491,
        "northing": 6510358.5186,
        "existing_z": 191.9788,
        "design_z": 190.8575,
        "delta_z": -1.1213
      },
      {
        "ch": 400.0,
        "easting": 451880.9093,
        "northing": 6510353.5185,
        "existing_z": 192.0019,
        "design_z": 190.5871,
        "delta_z": -1.4148
      },
      {
        "ch": 403.6516,
        "easting": 451884.0717,
        "northing": 6510351.6926,
        "existing_z": 191.9979,
        "design_z": 190.4489,
        "delta_z": -1.549
      },
      {
        "ch": 410.0,
        "easting": 451889.5695,
        "northing": 6510348.5184,
        "existing_z": 191.9415,
        "design_z": 190.1904,
        "delta_z": -1.7511
      },
      {
        "ch": 420.0,
        "easting": 451898.2297,
        "northing": 6510343.5183,
        "existing_z": 191.7081,
        "design_z": 189.7831,
        "delta_z": -1.9251
      },
      {
        "ch": 430.0,
        "easting": 451906.8899,
        "northing": 6510338.5182,
        "existing_z": 191.42,
        "design_z": 189.3758,
        "delta_z": -2.0442
      },
      {
        "ch": 436.0065,
        "easting": 451912.0916,
        "northing": 6510335.5149,
        "existing_z": 191.2079,
        "design_z": 189.1311,
        "delta_z": -2.0768
      },
      {
        "ch": 440.0,
        "easting": 451915.5501,
        "northing": 6510333.5181,
        "existing_z": 191.0449,
        "design_z": 188.9552,
        "delta_z": -2.0898
      },
      {
        "ch": 450.0,
        "easting": 451924.2103,
        "northing": 6510328.518,
        "existing_z": 190.5816,
        "design_z": 188.398,
        "delta_z": -2.1836
      },
      {
        "ch": 460.0,
        "easting": 451932.8152,
        "northing": 6510323.4271,
        "existing_z": 189.9738,
        "design_z": 187.6741,
        "delta_z": -2.2997
      },
      {
        "ch": 460.3819,
        "easting": 451933.1312,
        "northing": 6510323.2125,
        "existing_z": 189.9447,
        "design_z": 187.6431,
        "delta_z": -2.3016
      },
      {
        "ch": 470.0,
        "easting": 451940.4256,
        "northing": 6510316.9718,
        "existing_z": 189.0518,
        "design_z": 186.7836,
        "delta_z": -2.2683
      },
      {
        "ch": 480.0,
        "easting": 451946.4261,
        "northing": 6510308.9979,
        "existing_z": 187.8029,
        "design_z": 185.7264,
        "delta_z": -2.0765
      },
      {
        "ch": 484.7574,
        "easting": 451948.6268,
        "northing": 6510304.7826,
        "existing_z": 187.0334,
        "design_z": 185.1649,
        "delta_z": -1.8685
      },
      {
        "ch": 490.0,
        "easting": 451950.5217,
        "northing": 6510299.8976,
        "existing_z": 186.124,
        "design_z": 184.5254,
        "delta_z": -1.5986
      },
      {
        "ch": 500.0,
        "easting": 451952.5108,
        "northing": 6510290.1184,
        "existing_z": 184.2708,
        "design_z": 183.3056,
        "delta_z": -0.9653
      },
      {
        "ch": 510.0,
        "easting": 451952.4531,
        "northing": 6510280.1292,
        "existing_z": 182.2392,
        "design_z": 182.0857,
        "delta_z": -0.1534
      },
      {
        "ch": 517.1123,
        "easting": 451952.1055,
        "northing": 6510273.0254,
        "existing_z": 180.7873,
        "design_z": 181.2182,
        "delta_z": 0.4309
      },
      {
        "ch": 520.0,
        "easting": 451951.9644,
        "northing": 6510270.1411,
        "existing_z": 180.1973,
        "design_z": 180.8714,
        "delta_z": 0.674
      },
      {
        "ch": 530.0,
        "easting": 451951.4756,
        "northing": 6510260.1531,
        "existing_z": 178.5056,
        "design_z": 179.7543,
        "delta_z": 1.2487
      },
      {
        "ch": 537.1123,
        "easting": 451951.128,
        "northing": 6510253.0493,
        "existing_z": 177.301,
        "design_z": 179.0391,
        "delta_z": 1.738
      },
      {
        "ch": 540.0,
        "easting": 451950.9868,
        "northing": 6510250.165,
        "existing_z": 176.8107,
        "design_z": 178.7675,
        "delta_z": 1.9567
      },
      {
        "ch": 550.0,
        "easting": 451950.4517,
        "northing": 6510240.1801,
        "existing_z": 175.826,
        "design_z": 177.9109,
        "delta_z": 2.0849
      },
      {
        "ch": 557.1123,
        "easting": 451948.9079,
        "northing": 6510233.2536,
        "existing_z": 175.1044,
        "design_z": 177.381,
        "delta_z": 2.2766
      },
      {
        "ch": 560.0,
        "easting": 451947.8326,
        "northing": 6510230.5747,
        "existing_z": 174.8078,
        "design_z": 177.1792,
        "delta_z": 2.3715
      },
      {
        "ch": 570.0,
        "easting": 451942.2851,
        "northing": 6510222.3073,
        "existing_z": 174.1753,
        "design_z": 176.4805,
        "delta_z": 2.3052
      },
      {
        "ch": 580.0,
        "easting": 451934.8156,
        "northing": 6510215.722,
        "existing_z": 173.4919,
        "design_z": 175.7817,
        "delta_z": 2.2899
      },
      {
        "ch": 590.0,
        "easting": 451925.1405,
        "northing": 6510213.9835,
        "existing_z": 173.0189,
        "design_z": 175.083,
        "delta_z": 2.0641
      },
      {
        "ch": 600.0,
        "easting": 451916.0263,
        "northing": 6510217.9106,
        "existing_z": 173.0574,
        "design_z": 174.3842,
        "delta_z": 1.3269
      },
      {
        "ch": 610.0,
        "easting": 451907.324,
        "northing": 6510222.837,
        "existing_z": 173.2874,
        "design_z": 173.6855,
        "delta_z": 0.3981
      },
      {
        "ch": 613.8426,
        "easting": 451903.98,
        "northing": 6510224.73,
        "existing_z": 173.417,
        "design_z": 173.417,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD146",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 1.127,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 1.05,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452611.5024911608,
          6510410.752517057
        ],
        "end": [
          452612.2992708679,
          6510409.955718775
        ],
        "chainage_start": 0,
        "length": 1.126829802056157
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 452611.5025,
        "northing": 6510410.7525,
        "existing_z": 173.4698,
        "design_z": 173.4698,
        "delta_z": 0.0
      },
      {
        "ch": 1.1268,
        "easting": 452612.2993,
        "northing": 6510409.9557,
        "existing_z": 173.458,
        "design_z": 173.458,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD147",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 1.127,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 1.05,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452611.5024911608,
          6510410.752517057
        ],
        "end": [
          452612.2992708679,
          6510409.955718775
        ],
        "chainage_start": 0,
        "length": 1.126829802056157
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 452611.5025,
        "northing": 6510410.7525,
        "existing_z": 173.4698,
        "design_z": 173.4698,
        "delta_z": 0.0
      },
      {
        "ch": 1.1268,
        "easting": 452612.2993,
        "northing": 6510409.9557,
        "existing_z": 173.458,
        "design_z": 173.458,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD148",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 257.957,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 10.4,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451068.91000000015,
          6510429.74
        ],
        "end": [
          451109.92180000007,
          6510388.7282
        ],
        "chainage_start": 0,
        "length": 57.99944377759046
      },
      {
        "type": "ARC",
        "centre": [
          451139.6200000001,
          6510418.426399999
        ],
        "radius": 41.99959721806578,
        "start_angle_rad": -2.356194490201165,
        "sweep_rad": 1.570796326793615,
        "start": [
          451109.92180000007,
          6510388.7282
        ],
        "end": [
          451169.31820000004,
          6510388.7282
        ],
        "chainage_start": 57.99944377759046,
        "length": 65.97281303694905,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451169.3181999998,
          6510388.728199999
        ],
        "end": [
          451264.06,
          6510483.47
        ],
        "chainage_start": 123.9722568145395,
        "length": 133.98513848440558
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 64.48934882473627,
        "pvi_z": 150.9093110147457,
        "bvc": 44.48934882473627,
        "evc": 84.48934882473627,
        "length": 40.0,
        "g1": -0.039281756590653756,
        "g2": 0.01122483010991587,
        "z_bvc": 151.69494614655878,
        "K_m_per_percent": 7.919759107290629
      },
      {
        "pvi_ch": 128.97869764947254,
        "pvi_z": 151.63319299920246,
        "bvc": 108.97869764947254,
        "evc": 148.97869764947254,
        "length": 40.0,
        "g1": 0.01122483010991587,
        "g2": 0.07443095654728363,
        "z_bvc": 151.40869639700415,
        "K_m_per_percent": 6.3285004563025735
      },
      {
        "pvi_ch": 193.4680464742088,
        "pvi_z": 156.43319691933903,
        "bvc": 173.4680464742088,
        "evc": 213.4680464742088,
        "length": 40.0,
        "g1": 0.07443095654728363,
        "g2": 0.10400050028182835,
        "z_bvc": 154.94457778839336,
        "K_m_per_percent": 13.527432265811347
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451068.91,
        "northing": 6510429.74,
        "existing_z": 153.4426,
        "design_z": 153.4426,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451075.9811,
        "northing": 6510422.6689,
        "existing_z": 153.015,
        "design_z": 153.0497,
        "delta_z": 0.0348
      },
      {
        "ch": 20.0,
        "easting": 451083.0521,
        "northing": 6510415.5979,
        "existing_z": 152.5398,
        "design_z": 152.6569,
        "delta_z": 0.1171
      },
      {
        "ch": 30.0,
        "easting": 451090.1232,
        "northing": 6510408.5268,
        "existing_z": 152.0496,
        "design_z": 152.2641,
        "delta_z": 0.2145
      },
      {
        "ch": 40.0,
        "easting": 451097.1943,
        "northing": 6510401.4557,
        "existing_z": 151.5281,
        "design_z": 151.8713,
        "delta_z": 0.3432
      },
      {
        "ch": 44.4893,
        "easting": 451100.3687,
        "northing": 6510398.2813,
        "existing_z": 151.2938,
        "design_z": 151.6949,
        "delta_z": 0.4011
      },
      {
        "ch": 50.0,
        "easting": 451104.2653,
        "northing": 6510394.3847,
        "existing_z": 151.0061,
        "design_z": 151.4976,
        "delta_z": 0.4915
      },
      {
        "ch": 60.0,
        "easting": 451111.3696,
        "northing": 6510387.3478,
        "existing_z": 150.4949,
        "design_z": 151.2375,
        "delta_z": 0.7426
      },
      {
        "ch": 64.4893,
        "easting": 451114.8465,
        "northing": 6510384.5112,
        "existing_z": 150.2774,
        "design_z": 151.1618,
        "delta_z": 0.8845
      },
      {
        "ch": 70.0,
        "easting": 451119.4966,
        "northing": 6510381.5616,
        "existing_z": 150.0497,
        "design_z": 151.1037,
        "delta_z": 1.054
      },
      {
        "ch": 80.0,
        "easting": 451128.759,
        "northing": 6510377.8554,
        "existing_z": 149.7596,
        "design_z": 151.0961,
        "delta_z": 1.3365
      },
      {
        "ch": 84.4893,
        "easting": 451133.1494,
        "northing": 6510376.9282,
        "existing_z": 149.6628,
        "design_z": 151.1338,
        "delta_z": 1.471
      },
      {
        "ch": 90.0,
        "easting": 451138.6342,
        "northing": 6510376.4384,
        "existing_z": 149.5819,
        "design_z": 151.1957,
        "delta_z": 1.6138
      },
      {
        "ch": 100.0,
        "easting": 451148.5651,
        "northing": 6510377.3904,
        "existing_z": 149.5822,
        "design_z": 151.3079,
        "delta_z": 1.7257
      },
      {
        "ch": 108.9787,
        "easting": 451157.0675,
        "northing": 6510380.2223,
        "existing_z": 149.7659,
        "design_z": 151.4087,
        "delta_z": 1.6428
      },
      {
        "ch": 110.0,
        "easting": 451157.9913,
        "northing": 6510380.6579,
        "existing_z": 149.7978,
        "design_z": 151.421,
        "delta_z": 1.6232
      },
      {
        "ch": 120.0,
        "easting": 451166.3808,
        "northing": 6510386.0563,
        "existing_z": 150.2252,
        "design_z": 151.6284,
        "delta_z": 1.4032
      },
      {
        "ch": 128.9787,
        "easting": 451172.8583,
        "northing": 6510392.2683,
        "existing_z": 150.7895,
        "design_z": 151.9492,
        "delta_z": 1.1597
      },
      {
        "ch": 130.0,
        "easting": 451173.5805,
        "northing": 6510392.9905,
        "existing_z": 150.8623,
        "design_z": 151.9938,
        "delta_z": 1.1315
      },
      {
        "ch": 140.0,
        "easting": 451180.6515,
        "northing": 6510400.0615,
        "existing_z": 151.5963,
        "design_z": 152.5172,
        "delta_z": 0.9209
      },
      {
        "ch": 148.9787,
        "easting": 451187.0004,
        "northing": 6510406.4104,
        "existing_z": 152.289,
        "design_z": 153.1218,
        "delta_z": 0.8328
      },
      {
        "ch": 150.0,
        "easting": 451187.7226,
        "northing": 6510407.1326,
        "existing_z": 152.3699,
        "design_z": 153.1978,
        "delta_z": 0.828
      },
      {
        "ch": 160.0,
        "easting": 451194.7937,
        "northing": 6510414.2037,
        "existing_z": 153.1992,
        "design_z": 153.9421,
        "delta_z": 0.743
      },
      {
        "ch": 170.0,
        "easting": 451201.8647,
        "northing": 6510421.2747,
        "existing_z": 154.0677,
        "design_z": 154.6864,
        "delta_z": 0.6188
      },
      {
        "ch": 173.468,
        "easting": 451204.317,
        "northing": 6510423.727,
        "existing_z": 154.3752,
        "design_z": 154.9446,
        "delta_z": 0.5694
      },
      {
        "ch": 180.0,
        "easting": 451208.9358,
        "northing": 6510428.3458,
        "existing_z": 154.9631,
        "design_z": 155.4465,
        "delta_z": 0.4834
      },
      {
        "ch": 190.0,
        "easting": 451216.0069,
        "northing": 6510435.4169,
        "existing_z": 155.8542,
        "design_z": 156.2761,
        "delta_z": 0.4219
      },
      {
        "ch": 193.468,
        "easting": 451218.4591,
        "northing": 6510437.8691,
        "existing_z": 156.1659,
        "design_z": 156.581,
        "delta_z": 0.4151
      },
      {
        "ch": 200.0,
        "easting": 451223.0779,
        "northing": 6510442.4879,
        "existing_z": 156.7612,
        "design_z": 157.1796,
        "delta_z": 0.4184
      },
      {
        "ch": 210.0,
        "easting": 451230.149,
        "northing": 6510449.559,
        "existing_z": 157.6936,
        "design_z": 158.157,
        "delta_z": 0.4634
      },
      {
        "ch": 213.468,
        "easting": 451232.6013,
        "northing": 6510452.0113,
        "existing_z": 158.0271,
        "design_z": 158.5132,
        "delta_z": 0.4861
      },
      {
        "ch": 220.0,
        "easting": 451237.2201,
        "northing": 6510456.6301,
        "existing_z": 158.6725,
        "design_z": 159.1925,
        "delta_z": 0.52
      },
      {
        "ch": 230.0,
        "easting": 451244.2911,
        "northing": 6510463.7011,
        "existing_z": 159.7125,
        "design_z": 160.2325,
        "delta_z": 0.52
      },
      {
        "ch": 240.0,
        "easting": 451251.3622,
        "northing": 6510470.7722,
        "existing_z": 160.83,
        "design_z": 161.2725,
        "delta_z": 0.4426
      },
      {
        "ch": 250.0,
        "easting": 451258.4333,
        "northing": 6510477.8433,
        "existing_z": 162.0925,
        "design_z": 162.3125,
        "delta_z": 0.2201
      },
      {
        "ch": 257.9574,
        "easting": 451264.06,
        "northing": 6510483.47,
        "existing_z": 163.1401,
        "design_z": 163.1401,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD149",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 56.569,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 9.42,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450170.0,
          6510410.0
        ],
        "end": [
          450130.0,
          6510450.0
        ],
        "chainage_start": 0,
        "length": 56.568542494923804
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450170.0,
        "northing": 6510410.0,
        "existing_z": 181.1325,
        "design_z": 181.1325,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450162.9289,
        "northing": 6510417.0711,
        "existing_z": 182.1908,
        "design_z": 182.0748,
        "delta_z": -0.116
      },
      {
        "ch": 20.0,
        "easting": 450155.8579,
        "northing": 6510424.1421,
        "existing_z": 183.0542,
        "design_z": 183.0171,
        "delta_z": -0.0371
      },
      {
        "ch": 30.0,
        "easting": 450148.7868,
        "northing": 6510431.2132,
        "existing_z": 183.8716,
        "design_z": 183.9594,
        "delta_z": 0.0878
      },
      {
        "ch": 40.0,
        "easting": 450141.7157,
        "northing": 6510438.2843,
        "existing_z": 185.1281,
        "design_z": 184.9017,
        "delta_z": -0.2264
      },
      {
        "ch": 50.0,
        "easting": 450134.6447,
        "northing": 6510445.3553,
        "existing_z": 186.0453,
        "design_z": 185.844,
        "delta_z": -0.2012
      },
      {
        "ch": 56.5685,
        "easting": 450130.0,
        "northing": 6510450.0,
        "existing_z": 186.463,
        "design_z": 186.463,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD150",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 396.96,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 18.58,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450327.27,
          6510577.83
        ],
        "end": [
          450520.3018000001,
          6510384.7982
        ],
        "chainage_start": 0,
        "length": 272.98818952932777
      },
      {
        "type": "ARC",
        "centre": [
          450490.60360000003,
          6510355.1
        ],
        "radius": 41.999597218090436,
        "start_angle_rad": 0.7853981634043082,
        "sweep_rad": -1.5707963267938512,
        "start": [
          450520.3018000001,
          6510384.7982
        ],
        "end": [
          450520.3018,
          6510325.401799999
        ],
        "chainage_start": 272.98818952932777,
        "length": 65.9728130369977,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450520.3018000003,
          6510325.4018
        ],
        "end": [
          450479.29000000004,
          6510284.39
        ],
        "chainage_start": 338.9610025663255,
        "length": 57.99944377783741
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 79.39208926883258,
        "pvi_z": 171.7005802185184,
        "bvc": 59.39208926883258,
        "evc": 99.39208926883258,
        "length": 40.0,
        "g1": -0.18579441668707142,
        "g2": -0.15010045477845518,
        "z_bvc": 175.41646855225983,
        "K_m_per_percent": 11.206377174494692
      },
      {
        "pvi_ch": 158.78417853766516,
        "pvi_z": 159.78379151345493,
        "bvc": 138.78417853766516,
        "evc": 178.78417853766516,
        "length": 40.0,
        "g1": -0.15010045477845518,
        "g2": -0.10508393857791952,
        "z_bvc": 162.78580060902402,
        "K_m_per_percent": 8.885627626494124
      },
      {
        "pvi_ch": 238.17626780649772,
        "pvi_z": 151.44095808115623,
        "bvc": 218.17626780649772,
        "evc": 258.1762678064977,
        "length": 40.0,
        "g1": -0.10508393857791952,
        "g2": -0.06262310388275413,
        "z_bvc": 153.54263685271462,
        "K_m_per_percent": 9.420445991504359
      },
      {
        "pvi_ch": 317.5683570753303,
        "pvi_z": 146.46917902740523,
        "bvc": 297.5683570753303,
        "evc": 337.5683570753303,
        "length": 40.0,
        "g1": -0.06262310388275413,
        "g2": -0.015567652243031764,
        "z_bvc": 147.7216411050603,
        "K_m_per_percent": 8.50060909121815
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450327.27,
        "northing": 6510577.83,
        "existing_z": 186.4512,
        "design_z": 186.4512,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450334.3411,
        "northing": 6510570.7589,
        "existing_z": 183.7809,
        "design_z": 184.5932,
        "delta_z": 0.8124
      },
      {
        "ch": 20.0,
        "easting": 450341.4121,
        "northing": 6510563.6879,
        "existing_z": 181.7782,
        "design_z": 182.7353,
        "delta_z": 0.9571
      },
      {
        "ch": 30.0,
        "easting": 450348.4832,
        "northing": 6510556.6168,
        "existing_z": 179.8768,
        "design_z": 180.8774,
        "delta_z": 1.0005
      },
      {
        "ch": 40.0,
        "easting": 450355.5543,
        "northing": 6510549.5457,
        "existing_z": 177.9981,
        "design_z": 179.0194,
        "delta_z": 1.0213
      },
      {
        "ch": 50.0,
        "easting": 450362.6253,
        "northing": 6510542.4747,
        "existing_z": 176.3249,
        "design_z": 177.1615,
        "delta_z": 0.8366
      },
      {
        "ch": 59.3921,
        "easting": 450369.2665,
        "northing": 6510535.8335,
        "existing_z": 174.7671,
        "design_z": 175.4165,
        "delta_z": 0.6493
      },
      {
        "ch": 60.0,
        "easting": 450369.6964,
        "northing": 6510535.4036,
        "existing_z": 174.6668,
        "design_z": 175.3037,
        "delta_z": 0.6369
      },
      {
        "ch": 70.0,
        "easting": 450376.7675,
        "northing": 6510528.3325,
        "existing_z": 172.85,
        "design_z": 173.4958,
        "delta_z": 0.6458
      },
      {
        "ch": 79.3921,
        "easting": 450383.4087,
        "northing": 6510521.6913,
        "existing_z": 171.1879,
        "design_z": 171.8791,
        "delta_z": 0.6912
      },
      {
        "ch": 80.0,
        "easting": 450383.8385,
        "northing": 6510521.2615,
        "existing_z": 171.0796,
        "design_z": 171.7771,
        "delta_z": 0.6975
      },
      {
        "ch": 90.0,
        "easting": 450390.9096,
        "northing": 6510514.1904,
        "existing_z": 169.286,
        "design_z": 170.1477,
        "delta_z": 0.8617
      },
      {
        "ch": 99.3921,
        "easting": 450397.5508,
        "northing": 6510507.5492,
        "existing_z": 167.6302,
        "design_z": 168.6986,
        "delta_z": 1.0684
      },
      {
        "ch": 100.0,
        "easting": 450397.9807,
        "northing": 6510507.1193,
        "existing_z": 167.528,
        "design_z": 168.6073,
        "delta_z": 1.0794
      },
      {
        "ch": 110.0,
        "easting": 450405.0517,
        "northing": 6510500.0483,
        "existing_z": 165.8519,
        "design_z": 167.1063,
        "delta_z": 1.2544
      },
      {
        "ch": 120.0,
        "easting": 450412.1228,
        "northing": 6510492.9772,
        "existing_z": 164.264,
        "design_z": 165.6053,
        "delta_z": 1.3413
      },
      {
        "ch": 130.0,
        "easting": 450419.1939,
        "northing": 6510485.9061,
        "existing_z": 162.9216,
        "design_z": 164.1043,
        "delta_z": 1.1827
      },
      {
        "ch": 138.7842,
        "easting": 450425.4052,
        "northing": 6510479.6948,
        "existing_z": 161.7323,
        "design_z": 162.7858,
        "delta_z": 1.0535
      },
      {
        "ch": 140.0,
        "easting": 450426.2649,
        "northing": 6510478.8351,
        "existing_z": 161.5631,
        "design_z": 162.6041,
        "delta_z": 1.0411
      },
      {
        "ch": 150.0,
        "easting": 450433.336,
        "northing": 6510471.764,
        "existing_z": 160.2188,
        "design_z": 161.1731,
        "delta_z": 0.9543
      },
      {
        "ch": 158.7842,
        "easting": 450439.5474,
        "northing": 6510465.5526,
        "existing_z": 159.0995,
        "design_z": 160.0089,
        "delta_z": 0.9094
      },
      {
        "ch": 160.0,
        "easting": 450440.4071,
        "northing": 6510464.6929,
        "existing_z": 158.9425,
        "design_z": 159.8546,
        "delta_z": 0.9121
      },
      {
        "ch": 170.0,
        "easting": 450447.4782,
        "northing": 6510457.6218,
        "existing_z": 157.6177,
        "design_z": 158.6486,
        "delta_z": 1.0309
      },
      {
        "ch": 178.7842,
        "easting": 450453.6895,
        "northing": 6510451.4105,
        "existing_z": 156.5263,
        "design_z": 157.6821,
        "delta_z": 1.1558
      },
      {
        "ch": 180.0,
        "easting": 450454.5492,
        "northing": 6510450.5508,
        "existing_z": 156.3848,
        "design_z": 157.5543,
        "delta_z": 1.1696
      },
      {
        "ch": 190.0,
        "easting": 450461.6203,
        "northing": 6510443.4797,
        "existing_z": 155.3583,
        "design_z": 156.5035,
        "delta_z": 1.1452
      },
      {
        "ch": 200.0,
        "easting": 450468.6914,
        "northing": 6510436.4086,
        "existing_z": 154.3284,
        "design_z": 155.4527,
        "delta_z": 1.1243
      },
      {
        "ch": 210.0,
        "easting": 450475.7624,
        "northing": 6510429.3376,
        "existing_z": 153.3793,
        "design_z": 154.4018,
        "delta_z": 1.0225
      },
      {
        "ch": 218.1763,
        "easting": 450481.5439,
        "northing": 6510423.5561,
        "existing_z": 152.6752,
        "design_z": 153.5426,
        "delta_z": 0.8674
      },
      {
        "ch": 220.0,
        "easting": 450482.8335,
        "northing": 6510422.2665,
        "existing_z": 152.5157,
        "design_z": 153.3528,
        "delta_z": 0.837
      },
      {
        "ch": 230.0,
        "easting": 450489.9046,
        "northing": 6510415.1954,
        "existing_z": 151.6252,
        "design_z": 152.3744,
        "delta_z": 0.7492
      },
      {
        "ch": 238.1763,
        "easting": 450495.6861,
        "northing": 6510409.4139,
        "existing_z": 150.9302,
        "design_z": 151.6533,
        "delta_z": 0.7231
      },
      {
        "ch": 240.0,
        "easting": 450496.9756,
        "northing": 6510408.1244,
        "existing_z": 150.7651,
        "design_z": 151.5021,
        "delta_z": 0.737
      },
      {
        "ch": 250.0,
        "easting": 450504.0467,
        "northing": 6510401.0533,
        "existing_z": 149.8519,
        "design_z": 150.736,
        "delta_z": 0.8841
      },
      {
        "ch": 258.1763,
        "easting": 450509.8282,
        "northing": 6510395.2718,
        "existing_z": 149.0956,
        "design_z": 150.1885,
        "delta_z": 1.0929
      },
      {
        "ch": 260.0,
        "easting": 450511.1178,
        "northing": 6510393.9822,
        "existing_z": 148.9626,
        "design_z": 150.0743,
        "delta_z": 1.1117
      },
      {
        "ch": 270.0,
        "easting": 450518.1888,
        "northing": 6510386.9112,
        "existing_z": 148.2494,
        "design_z": 149.4481,
        "delta_z": 1.1987
      },
      {
        "ch": 280.0,
        "easting": 450524.824,
        "northing": 6510379.4502,
        "existing_z": 147.5549,
        "design_z": 148.8218,
        "delta_z": 1.267
      },
      {
        "ch": 290.0,
        "easting": 450529.6017,
        "northing": 6510370.6922,
        "existing_z": 146.9226,
        "design_z": 148.1956,
        "delta_z": 1.273
      },
      {
        "ch": 297.5684,
        "easting": 450531.7647,
        "northing": 6510363.4502,
        "existing_z": 146.5368,
        "design_z": 147.7216,
        "delta_z": 1.1848
      },
      {
        "ch": 300.0,
        "easting": 450532.179,
        "northing": 6510361.0545,
        "existing_z": 146.4163,
        "design_z": 147.5728,
        "delta_z": 1.1566
      },
      {
        "ch": 310.0,
        "easting": 450532.4104,
        "northing": 6510351.0808,
        "existing_z": 145.9372,
        "design_z": 147.034,
        "delta_z": 1.0969
      },
      {
        "ch": 317.5684,
        "easting": 450531.0131,
        "northing": 6510343.6529,
        "existing_z": 145.621,
        "design_z": 146.7045,
        "delta_z": 1.0835
      },
      {
        "ch": 320.0,
        "easting": 450530.283,
        "northing": 6510341.3338,
        "existing_z": 145.5304,
        "design_z": 146.6129,
        "delta_z": 1.0824
      },
      {
        "ch": 330.0,
        "easting": 450525.9168,
        "northing": 6510332.3636,
        "existing_z": 145.3181,
        "design_z": 146.3093,
        "delta_z": 0.9913
      },
      {
        "ch": 337.5684,
        "easting": 450521.27,
        "northing": 6510326.4027,
        "existing_z": 145.2442,
        "design_z": 146.1578,
        "delta_z": 0.9136
      },
      {
        "ch": 340.0,
        "easting": 450519.5671,
        "northing": 6510324.6671,
        "existing_z": 145.2348,
        "design_z": 146.12,
        "delta_z": 0.8852
      },
      {
        "ch": 350.0,
        "easting": 450512.4961,
        "northing": 6510317.5961,
        "existing_z": 145.1971,
        "design_z": 145.9643,
        "delta_z": 0.7672
      },
      {
        "ch": 360.0,
        "easting": 450505.425,
        "northing": 6510310.525,
        "existing_z": 145.2286,
        "design_z": 145.8086,
        "delta_z": 0.58
      },
      {
        "ch": 370.0,
        "easting": 450498.3539,
        "northing": 6510303.4539,
        "existing_z": 145.2357,
        "design_z": 145.6529,
        "delta_z": 0.4172
      },
      {
        "ch": 380.0,
        "easting": 450491.2828,
        "northing": 6510296.3828,
        "existing_z": 145.1893,
        "design_z": 145.4973,
        "delta_z": 0.308
      },
      {
        "ch": 390.0,
        "easting": 450484.2118,
        "northing": 6510289.3118,
        "existing_z": 145.2085,
        "design_z": 145.3416,
        "delta_z": 0.1331
      },
      {
        "ch": 396.9604,
        "easting": 450479.29,
        "northing": 6510284.39,
        "existing_z": 145.2332,
        "design_z": 145.2332,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD151",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 615.112,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.03,
    "radius_review_count": 8,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          453177.46,
          6510679.33
        ],
        "end": [
          453173.1332,
          6510662.3186
        ],
        "chainage_start": 0,
        "length": 17.55303188075715
      },
      {
        "type": "ARC",
        "centre": [
          453128.30321547657,
          6510673.72097588
        ],
        "radius": 46.25734199090591,
        "start_angle_rad": -0.24906583383342112,
        "sweep_rad": -0.5363323295688622,
        "start": [
          453173.1332,
          6510662.3186
        ],
        "end": [
          453161.0120956781,
          6510641.012095678
        ],
        "chainage_start": 17.55303188075715,
        "length": 24.80930798964612,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          453161.01209567784,
          6510641.012095678
        ],
        "end": [
          453135.93969696196,
          6510615.939696962
        ],
        "chainage_start": 42.36233987040327,
        "length": 35.45772630506621
      },
      {
        "type": "ARC",
        "centre": [
          453150.27939392393,
          6510601.6
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 2.3561944901781375,
        "sweep_rad": 0.7853981633974484,
        "start": [
          453135.93969696196,
          6510615.939696962
        ],
        "end": [
          453130.0,
          6510601.6
        ],
        "chainage_start": 77.82006617546948,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          453130.0,
          6510601.6
        ],
        "end": [
          453130.0,
          6510598.4
        ],
        "chainage_start": 93.74746491814062,
        "length": 3.199999999254942
      },
      {
        "type": "ARC",
        "centre": [
          453109.72060607607,
          6510598.4
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 0.0,
        "sweep_rad": -0.7853981633974484,
        "start": [
          453130.0,
          6510598.4
        ],
        "end": [
          453124.06030303804,
          6510584.060303038
        ],
        "chainage_start": 96.94746491739556,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          453124.06030303804,
          6510584.060303038
        ],
        "end": [
          453095.93969696196,
          6510555.939696962
        ],
        "chainage_start": 112.8748636600667,
        "length": 39.768542494873635
      },
      {
        "type": "ARC",
        "centre": [
          453110.27939392393,
          6510541.6
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 2.3561944901781375,
        "sweep_rad": 0.7853981633974484,
        "start": [
          453095.93969696196,
          6510555.939696962
        ],
        "end": [
          453090.0,
          6510541.6
        ],
        "chainage_start": 152.64340615494032,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          453090.0,
          6510541.6
        ],
        "end": [
          453090.0,
          6510538.4
        ],
        "chainage_start": 168.57080489761145,
        "length": 3.199999999254942
      },
      {
        "type": "ARC",
        "centre": [
          453069.72060607607,
          6510538.4
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 0.0,
        "sweep_rad": -0.7853981633974484,
        "start": [
          453090.0,
          6510538.4
        ],
        "end": [
          453084.06030303804,
          6510524.060303038
        ],
        "chainage_start": 171.7708048968664,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          453084.06030303804,
          6510524.060303038
        ],
        "end": [
          453021.8793939239,
          6510461.879393924
        ],
        "chainage_start": 187.69820363953752,
        "length": 87.93708498977234
      },
      {
        "type": "ARC",
        "centre": [
          453050.55878784787,
          6510433.2
        ],
        "radius": 40.558787847868,
        "start_angle_rad": 2.3561944901943743,
        "sweep_rad": 0.7853981633974484,
        "start": [
          453021.8793939239,
          6510461.879393924
        ],
        "end": [
          453010.0,
          6510433.2
        ],
        "chainage_start": 275.63528862930985,
        "length": 31.854797485342274,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          453010.0,
          6510433.2
        ],
        "end": [
          453010.0,
          6510426.8
        ],
        "chainage_start": 307.4900861146521,
        "length": 6.400000000372529
      },
      {
        "type": "ARC",
        "centre": [
          452966.2199017788,
          6510426.8
        ],
        "radius": 43.780098221204256,
        "start_angle_rad": 0.0,
        "sweep_rad": -0.7328151017865067,
        "start": [
          453010.0,
          6510426.8
        ],
        "end": [
          452998.76139250875,
          6510397.512658343
        ],
        "chainage_start": 313.89008611502464,
        "length": 32.08271713419506,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452998.76139250875,
          6510397.512658343
        ],
        "end": [
          452834.9870397902,
          6510215.541155322
        ],
        "chainage_start": 345.9728032492197,
        "length": 244.81761889176755
      },
      {
        "type": "ARC",
        "centre": [
          452822.54513795057,
          6510226.738866978
        ],
        "radius": 16.738866978083777,
        "start_angle_rad": -0.7328151017955531,
        "sweep_rad": -0.8379812250083901,
        "start": [
          452834.9870397902,
          6510215.541155322
        ],
        "end": [
          452822.54513795057,
          6510210.0
        ],
        "chainage_start": 590.7904221409872,
        "length": 14.026856255547132,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452822.5451379504,
          6510210.0
        ],
        "end": [
          452812.2503284537,
          6510210.0
        ],
        "chainage_start": 604.8172783965343,
        "length": 10.294809496670496
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 76.8890109866506,
        "pvi_z": 166.16727856133838,
        "bvc": 56.889010986650604,
        "evc": 96.8890109866506,
        "length": 40.0,
        "g1": -0.04028464055344281,
        "g2": -0.028414745888463128,
        "z_bvc": 166.97297137240724,
        "K_m_per_percent": 33.6986983700992
      },
      {
        "pvi_ch": 153.7780219733012,
        "pvi_z": 163.98249685253745,
        "bvc": 133.7780219733012,
        "evc": 173.7780219733012,
        "length": 40.0,
        "g1": -0.028414745888463128,
        "g2": -0.007179874342487093,
        "z_bvc": 164.55079177030672,
        "K_m_per_percent": 18.836939942582283
      },
      {
        "pvi_ch": 230.66703295995183,
        "pvi_z": 163.4304434153352,
        "bvc": 210.66703295995183,
        "evc": 250.66703295995183,
        "length": 40.0,
        "g1": -0.007179874342487093,
        "g2": -0.005437811464552063,
        "z_bvc": 163.57404090218492,
        "K_m_per_percent": 229.61283720949484
      },
      {
        "pvi_ch": 307.5560439466024,
        "pvi_z": 163.0123354698939,
        "bvc": 287.5560439466024,
        "evc": 327.5560439466024,
        "length": 40.0,
        "g1": -0.005437811464552063,
        "g2": -0.021781970107969468,
        "z_bvc": 163.12109169918494,
        "K_m_per_percent": 24.473575466737145
      },
      {
        "pvi_ch": 384.445054933253,
        "pvi_z": 161.33754133095135,
        "bvc": 364.445054933253,
        "evc": 404.445054933253,
        "length": 40.0,
        "g1": -0.021781970107969468,
        "g2": -0.012564598759197318,
        "z_bvc": 161.77318073311073,
        "K_m_per_percent": 43.39632036776778
      },
      {
        "pvi_ch": 461.33406591990365,
        "pvi_z": 160.37146175891257,
        "bvc": 441.33406591990365,
        "evc": 481.33406591990365,
        "length": 40.0,
        "g1": -0.012564598759197318,
        "g2": 0.01696806815588705,
        "z_bvc": 160.62275373409653,
        "K_m_per_percent": 13.544323685704539
      },
      {
        "pvi_ch": 538.2230769065542,
        "pvi_z": 161.6761197377728,
        "bvc": 518.2230769065542,
        "evc": 558.2230769065542,
        "length": 40.0,
        "g1": 0.01696806815588705,
        "g2": 0.019967623006032477,
        "z_bvc": 161.33675837465506,
        "K_m_per_percent": 133.3531207074299
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 453177.46,
        "northing": 6510679.33,
        "existing_z": 169.2647,
        "design_z": 169.2647,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 453174.995,
        "northing": 6510669.6386,
        "existing_z": 168.651,
        "design_z": 168.8619,
        "delta_z": 0.2109
      },
      {
        "ch": 20.0,
        "easting": 453172.4676,
        "northing": 6510659.9642,
        "existing_z": 168.0451,
        "design_z": 168.459,
        "delta_z": 0.4139
      },
      {
        "ch": 30.0,
        "easting": 453168.4888,
        "northing": 6510650.8111,
        "existing_z": 167.5237,
        "design_z": 168.0562,
        "delta_z": 0.5325
      },
      {
        "ch": 40.0,
        "easting": 453162.6392,
        "northing": 6510642.7244,
        "existing_z": 167.1205,
        "design_z": 167.6533,
        "delta_z": 0.5328
      },
      {
        "ch": 50.0,
        "easting": 453155.6115,
        "northing": 6510635.6115,
        "existing_z": 166.8407,
        "design_z": 167.2505,
        "delta_z": 0.4098
      },
      {
        "ch": 56.889,
        "easting": 453150.7402,
        "northing": 6510630.7402,
        "existing_z": 166.6492,
        "design_z": 166.973,
        "delta_z": 0.3238
      },
      {
        "ch": 60.0,
        "easting": 453148.5404,
        "northing": 6510628.5404,
        "existing_z": 166.5548,
        "design_z": 166.8491,
        "delta_z": 0.2942
      },
      {
        "ch": 70.0,
        "easting": 453141.4693,
        "northing": 6510621.4693,
        "existing_z": 166.2441,
        "design_z": 166.4703,
        "delta_z": 0.2262
      },
      {
        "ch": 76.889,
        "easting": 453136.5981,
        "northing": 6510616.5981,
        "existing_z": 166.0343,
        "design_z": 166.2266,
        "delta_z": 0.1923
      },
      {
        "ch": 80.0,
        "easting": 453134.484,
        "northing": 6510614.3184,
        "existing_z": 165.9316,
        "design_z": 166.1212,
        "delta_z": 0.1896
      },
      {
        "ch": 90.0,
        "easting": 453130.3453,
        "northing": 6510605.3262,
        "existing_z": 165.4197,
        "design_z": 165.8018,
        "delta_z": 0.3821
      },
      {
        "ch": 96.889,
        "easting": 453130.0,
        "northing": 6510598.4585,
        "existing_z": 164.9567,
        "design_z": 165.599,
        "delta_z": 0.6423
      },
      {
        "ch": 100.0,
        "easting": 453129.7707,
        "northing": 6510595.359,
        "existing_z": 164.7494,
        "design_z": 165.5106,
        "delta_z": 0.7612
      },
      {
        "ch": 110.0,
        "easting": 453125.9425,
        "northing": 6510586.2302,
        "existing_z": 164.266,
        "design_z": 165.2264,
        "delta_z": 0.9605
      },
      {
        "ch": 120.0,
        "easting": 453119.0221,
        "northing": 6510579.0221,
        "existing_z": 164.0468,
        "design_z": 164.9423,
        "delta_z": 0.8955
      },
      {
        "ch": 130.0,
        "easting": 453111.951,
        "northing": 6510571.951,
        "existing_z": 163.8521,
        "design_z": 164.6581,
        "delta_z": 0.806
      },
      {
        "ch": 133.778,
        "easting": 453109.2795,
        "northing": 6510569.2795,
        "existing_z": 163.7897,
        "design_z": 164.5508,
        "delta_z": 0.7611
      },
      {
        "ch": 140.0,
        "easting": 453104.8799,
        "northing": 6510564.8799,
        "existing_z": 163.7266,
        "design_z": 164.3843,
        "delta_z": 0.6577
      },
      {
        "ch": 150.0,
        "easting": 453097.8089,
        "northing": 6510557.8089,
        "existing_z": 163.6328,
        "design_z": 164.1597,
        "delta_z": 0.5269
      },
      {
        "ch": 153.778,
        "easting": 453095.1603,
        "northing": 6510555.1154,
        "existing_z": 163.5979,
        "design_z": 164.0887,
        "delta_z": 0.4908
      },
      {
        "ch": 160.0,
        "easting": 453091.7844,
        "northing": 6510549.9179,
        "existing_z": 163.4681,
        "design_z": 163.9882,
        "delta_z": 0.5201
      },
      {
        "ch": 170.0,
        "easting": 453090.0,
        "northing": 6510540.1708,
        "existing_z": 163.1165,
        "design_z": 163.8698,
        "delta_z": 0.7533
      },
      {
        "ch": 173.778,
        "easting": 453089.9007,
        "northing": 6510536.3961,
        "existing_z": 162.9589,
        "design_z": 163.8389,
        "delta_z": 0.88
      },
      {
        "ch": 180.0,
        "easting": 453088.3531,
        "northing": 6510530.3948,
        "existing_z": 162.7801,
        "design_z": 163.7942,
        "delta_z": 1.0141
      },
      {
        "ch": 190.0,
        "easting": 453082.4327,
        "northing": 6510522.4327,
        "existing_z": 162.7561,
        "design_z": 163.7224,
        "delta_z": 0.9663
      },
      {
        "ch": 200.0,
        "easting": 453075.3616,
        "northing": 6510515.3616,
        "existing_z": 162.8627,
        "design_z": 163.6506,
        "delta_z": 0.788
      },
      {
        "ch": 210.0,
        "easting": 453068.2906,
        "northing": 6510508.2906,
        "existing_z": 163.0104,
        "design_z": 163.5788,
        "delta_z": 0.5684
      },
      {
        "ch": 210.667,
        "easting": 453067.8189,
        "northing": 6510507.8189,
        "existing_z": 163.0229,
        "design_z": 163.574,
        "delta_z": 0.5511
      },
      {
        "ch": 220.0,
        "easting": 453061.2195,
        "northing": 6510501.2195,
        "existing_z": 163.1986,
        "design_z": 163.5089,
        "delta_z": 0.3104
      },
      {
        "ch": 230.0,
        "easting": 453054.1484,
        "northing": 6510494.1484,
        "existing_z": 163.388,
        "design_z": 163.4434,
        "delta_z": 0.0554
      },
      {
        "ch": 230.667,
        "easting": 453053.6768,
        "northing": 6510493.6768,
        "existing_z": 163.4007,
        "design_z": 163.4392,
        "delta_z": 0.0385
      },
      {
        "ch": 240.0,
        "easting": 453047.0773,
        "northing": 6510487.0773,
        "existing_z": 163.5741,
        "design_z": 163.3822,
        "delta_z": -0.1919
      },
      {
        "ch": 250.0,
        "easting": 453040.0063,
        "northing": 6510480.0063,
        "existing_z": 163.7363,
        "design_z": 163.3253,
        "delta_z": -0.4109
      },
      {
        "ch": 250.667,
        "easting": 453039.5346,
        "northing": 6510479.5346,
        "existing_z": 163.7462,
        "design_z": 163.3217,
        "delta_z": -0.4245
      },
      {
        "ch": 260.0,
        "easting": 453032.9352,
        "northing": 6510472.9352,
        "existing_z": 163.8733,
        "design_z": 163.2709,
        "delta_z": -0.6024
      },
      {
        "ch": 270.0,
        "easting": 453025.8641,
        "northing": 6510465.8641,
        "existing_z": 163.9581,
        "design_z": 163.2166,
        "delta_z": -0.7415
      },
      {
        "ch": 280.0,
        "easting": 453018.9649,
        "northing": 6510458.6331,
        "existing_z": 163.9903,
        "design_z": 163.1622,
        "delta_z": -0.8281
      },
      {
        "ch": 287.556,
        "easting": 453014.8008,
        "northing": 6510452.3411,
        "existing_z": 163.9237,
        "design_z": 163.1211,
        "delta_z": -0.8026
      },
      {
        "ch": 290.0,
        "easting": 453013.713,
        "northing": 6510450.153,
        "existing_z": 163.8828,
        "design_z": 163.1066,
        "delta_z": -0.7762
      },
      {
        "ch": 300.0,
        "easting": 453010.6896,
        "northing": 6510440.6476,
        "existing_z": 163.6425,
        "design_z": 163.0218,
        "delta_z": -0.6207
      },
      {
        "ch": 307.556,
        "easting": 453010.0,
        "northing": 6510433.134,
        "existing_z": 163.3766,
        "design_z": 162.9306,
        "delta_z": -0.446
      },
      {
        "ch": 310.0,
        "easting": 453010.0,
        "northing": 6510430.6901,
        "existing_z": 163.2808,
        "design_z": 162.8961,
        "delta_z": -0.3847
      },
      {
        "ch": 320.0,
        "easting": 453009.5743,
        "northing": 6510420.7099,
        "existing_z": 162.9346,
        "design_z": 162.7296,
        "delta_z": -0.2049
      },
      {
        "ch": 327.556,
        "easting": 453007.8843,
        "northing": 6510413.3549,
        "existing_z": 162.7047,
        "design_z": 162.5767,
        "delta_z": -0.128
      },
      {
        "ch": 330.0,
        "easting": 453007.0693,
        "northing": 6510411.0512,
        "existing_z": 162.6356,
        "design_z": 162.5235,
        "delta_z": -0.1122
      },
      {
        "ch": 340.0,
        "easting": 453002.4422,
        "northing": 6510402.2106,
        "existing_z": 162.3701,
        "design_z": 162.3056,
        "delta_z": -0.0644
      },
      {
        "ch": 350.0,
        "easting": 452996.0673,
        "northing": 6510394.5193,
        "existing_z": 162.1461,
        "design_z": 162.0878,
        "delta_z": -0.0583
      },
      {
        "ch": 360.0,
        "easting": 452989.3777,
        "northing": 6510387.0863,
        "existing_z": 161.909,
        "design_z": 161.87,
        "delta_z": -0.039
      },
      {
        "ch": 364.4451,
        "easting": 452986.4041,
        "northing": 6510383.7823,
        "existing_z": 161.7852,
        "design_z": 161.7732,
        "delta_z": -0.012
      },
      {
        "ch": 370.0,
        "easting": 452982.688,
        "northing": 6510379.6534,
        "existing_z": 161.6275,
        "design_z": 161.6557,
        "delta_z": 0.0282
      },
      {
        "ch": 380.0,
        "easting": 452975.9984,
        "northing": 6510372.2204,
        "existing_z": 161.3356,
        "design_z": 161.4622,
        "delta_z": 0.1267
      },
      {
        "ch": 384.4451,
        "easting": 452973.0248,
        "northing": 6510368.9165,
        "existing_z": 161.204,
        "design_z": 161.3836,
        "delta_z": 0.1796
      },
      {
        "ch": 390.0,
        "easting": 452969.3088,
        "northing": 6510364.7875,
        "existing_z": 161.0477,
        "design_z": 161.2918,
        "delta_z": 0.2441
      },
      {
        "ch": 400.0,
        "easting": 452962.6191,
        "northing": 6510357.3546,
        "existing_z": 160.804,
        "design_z": 161.1444,
        "delta_z": 0.3404
      },
      {
        "ch": 404.4451,
        "easting": 452959.6455,
        "northing": 6510354.0506,
        "existing_z": 160.6949,
        "design_z": 161.0862,
        "delta_z": 0.3914
      },
      {
        "ch": 410.0,
        "easting": 452955.9295,
        "northing": 6510349.9216,
        "existing_z": 160.5578,
        "design_z": 161.0165,
        "delta_z": 0.4587
      },
      {
        "ch": 420.0,
        "easting": 452949.2398,
        "northing": 6510342.4887,
        "existing_z": 160.3192,
        "design_z": 160.8908,
        "delta_z": 0.5716
      },
      {
        "ch": 430.0,
        "easting": 452942.5502,
        "northing": 6510335.0557,
        "existing_z": 160.135,
        "design_z": 160.7652,
        "delta_z": 0.6301
      },
      {
        "ch": 440.0,
        "easting": 452935.8605,
        "northing": 6510327.6228,
        "existing_z": 159.9754,
        "design_z": 160.6395,
        "delta_z": 0.6641
      },
      {
        "ch": 441.3341,
        "easting": 452934.9681,
        "northing": 6510326.6312,
        "existing_z": 159.9583,
        "design_z": 160.6228,
        "delta_z": 0.6644
      },
      {
        "ch": 450.0,
        "easting": 452929.1709,
        "northing": 6510320.1899,
        "existing_z": 159.8606,
        "design_z": 160.5416,
        "delta_z": 0.681
      },
      {
        "ch": 460.0,
        "easting": 452922.4812,
        "northing": 6510312.7569,
        "existing_z": 159.8007,
        "design_z": 160.5168,
        "delta_z": 0.7161
      },
      {
        "ch": 461.3341,
        "easting": 452921.5888,
        "northing": 6510311.7653,
        "existing_z": 159.7955,
        "design_z": 160.5191,
        "delta_z": 0.7236
      },
      {
        "ch": 470.0,
        "easting": 452915.7916,
        "northing": 6510305.324,
        "existing_z": 159.8207,
        "design_z": 160.5659,
        "delta_z": 0.7452
      },
      {
        "ch": 480.0,
        "easting": 452909.1019,
        "northing": 6510297.891,
        "existing_z": 159.9148,
        "design_z": 160.6888,
        "delta_z": 0.7741
      },
      {
        "ch": 481.3341,
        "easting": 452908.2095,
        "northing": 6510296.8994,
        "existing_z": 159.9392,
        "design_z": 160.7108,
        "delta_z": 0.7716
      },
      {
        "ch": 490.0,
        "easting": 452902.4123,
        "northing": 6510290.4581,
        "existing_z": 160.1191,
        "design_z": 160.8579,
        "delta_z": 0.7388
      },
      {
        "ch": 500.0,
        "easting": 452895.7226,
        "northing": 6510283.0251,
        "existing_z": 160.4174,
        "design_z": 161.0275,
        "delta_z": 0.6102
      },
      {
        "ch": 510.0,
        "easting": 452889.033,
        "northing": 6510275.5922,
        "existing_z": 160.7469,
        "design_z": 161.1972,
        "delta_z": 0.4503
      },
      {
        "ch": 518.2231,
        "easting": 452883.532,
        "northing": 6510269.48,
        "existing_z": 161.0579,
        "design_z": 161.3368,
        "delta_z": 0.2789
      },
      {
        "ch": 520.0,
        "easting": 452882.3433,
        "northing": 6510268.1593,
        "existing_z": 161.1231,
        "design_z": 161.367,
        "delta_z": 0.244
      },
      {
        "ch": 530.0,
        "easting": 452875.6537,
        "northing": 6510260.7263,
        "existing_z": 161.4791,
        "design_z": 161.5418,
        "delta_z": 0.0627
      },
      {
        "ch": 538.2231,
        "easting": 452870.1527,
        "northing": 6510254.6142,
        "existing_z": 161.7581,
        "design_z": 161.6911,
        "delta_z": -0.067
      },
      {
        "ch": 540.0,
        "easting": 452868.964,
        "northing": 6510253.2934,
        "existing_z": 161.8119,
        "design_z": 161.7241,
        "delta_z": -0.0879
      },
      {
        "ch": 550.0,
        "easting": 452862.2744,
        "northing": 6510245.8604,
        "existing_z": 162.0552,
        "design_z": 161.9138,
        "delta_z": -0.1413
      },
      {
        "ch": 558.2231,
        "easting": 452856.7734,
        "northing": 6510239.7483,
        "existing_z": 162.2058,
        "design_z": 162.0755,
        "delta_z": -0.1304
      },
      {
        "ch": 560.0,
        "easting": 452855.5847,
        "northing": 6510238.4275,
        "existing_z": 162.2355,
        "design_z": 162.111,
        "delta_z": -0.1246
      },
      {
        "ch": 570.0,
        "easting": 452848.8951,
        "northing": 6510230.9946,
        "existing_z": 162.3817,
        "design_z": 162.3106,
        "delta_z": -0.0711
      },
      {
        "ch": 580.0,
        "easting": 452842.2055,
        "northing": 6510223.5616,
        "existing_z": 162.4322,
        "design_z": 162.5103,
        "delta_z": 0.0781
      },
      {
        "ch": 590.0,
        "easting": 452835.5158,
        "northing": 6510216.1287,
        "existing_z": 162.4456,
        "design_z": 162.71,
        "delta_z": 0.2644
      },
      {
        "ch": 600.0,
        "easting": 452827.2962,
        "northing": 6510210.6884,
        "existing_z": 162.5786,
        "design_z": 162.9097,
        "delta_z": 0.3311
      },
      {
        "ch": 610.0,
        "easting": 452817.3624,
        "northing": 6510210.0,
        "existing_z": 162.9879,
        "design_z": 163.1093,
        "delta_z": 0.1215
      },
      {
        "ch": 615.1121,
        "easting": 452812.2503,
        "northing": 6510210.0,
        "existing_z": 163.2114,
        "design_z": 163.2114,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD152",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 301.925,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.87,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452719.54,
          6510444.14
        ],
        "end": [
          452760.5518,
          6510485.151799999
        ],
        "chainage_start": 0,
        "length": 57.99944377701423
      },
      {
        "type": "ARC",
        "centre": [
          452790.25000000006,
          6510455.453599999
        ],
        "radius": 41.99959721817541,
        "start_angle_rad": 2.356194490185485,
        "sweep_rad": -1.5707963267922396,
        "start": [
          452760.5518,
          6510485.151799999
        ],
        "end": [
          452819.94820000004,
          6510485.1518
        ],
        "chainage_start": 57.99944377701423,
        "length": 65.9728130370635,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452819.9482000003,
          6510485.151799998
        ],
        "end": [
          452945.78,
          6510359.32
        ],
        "chainage_start": 123.97225681407772,
        "length": 177.95303813619293
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 75.48132373756766,
        "pvi_z": 169.31231236751267,
        "bvc": 55.481323737567664,
        "evc": 95.48132373756766,
        "length": 40.0,
        "g1": 0.006329962316992137,
        "g2": -0.0326638033582118,
        "z_bvc": 169.18571312117282,
        "K_m_per_percent": 10.25805005168709
      },
      {
        "pvi_ch": 150.96264747513533,
        "pvi_z": 166.84680525173124,
        "bvc": 130.96264747513533,
        "evc": 170.96264747513533,
        "length": 40.0,
        "g1": -0.0326638033582118,
        "g2": -0.0378131542029262,
        "z_bvc": 167.50008131889547,
        "K_m_per_percent": 77.67969440470031
      },
      {
        "pvi_ch": 226.443971212703,
        "pvi_z": 163.9926183178016,
        "bvc": 206.443971212703,
        "evc": 246.443971212703,
        "length": 40.0,
        "g1": -0.0378131542029262,
        "g2": -0.038680641816044976,
        "z_bvc": 164.74888140186013,
        "K_m_per_percent": 461.10168485510263
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452719.54,
        "northing": 6510444.14,
        "existing_z": 168.8345,
        "design_z": 168.8345,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452726.6111,
        "northing": 6510451.2111,
        "existing_z": 168.9055,
        "design_z": 168.8978,
        "delta_z": -0.0077
      },
      {
        "ch": 20.0,
        "easting": 452733.6821,
        "northing": 6510458.2821,
        "existing_z": 169.0749,
        "design_z": 168.9611,
        "delta_z": -0.1137
      },
      {
        "ch": 30.0,
        "easting": 452740.7532,
        "northing": 6510465.3532,
        "existing_z": 169.2522,
        "design_z": 169.0244,
        "delta_z": -0.2278
      },
      {
        "ch": 40.0,
        "easting": 452747.8243,
        "northing": 6510472.4243,
        "existing_z": 169.4945,
        "design_z": 169.0877,
        "delta_z": -0.4068
      },
      {
        "ch": 50.0,
        "easting": 452754.8953,
        "northing": 6510479.4953,
        "existing_z": 169.7386,
        "design_z": 169.151,
        "delta_z": -0.5876
      },
      {
        "ch": 55.4813,
        "easting": 452758.7712,
        "northing": 6510483.3712,
        "existing_z": 169.8582,
        "design_z": 169.1857,
        "delta_z": -0.6725
      },
      {
        "ch": 60.0,
        "easting": 452761.9996,
        "northing": 6510486.5322,
        "existing_z": 169.9552,
        "design_z": 169.2044,
        "delta_z": -0.7508
      },
      {
        "ch": 70.0,
        "easting": 452770.1266,
        "northing": 6510492.3184,
        "existing_z": 170.0855,
        "design_z": 169.1749,
        "delta_z": -0.9106
      },
      {
        "ch": 75.4813,
        "easting": 452775.0952,
        "northing": 6510494.6237,
        "existing_z": 170.0908,
        "design_z": 169.1173,
        "delta_z": -0.9734
      },
      {
        "ch": 80.0,
        "easting": 452779.389,
        "northing": 6510496.0246,
        "existing_z": 170.055,
        "design_z": 169.0479,
        "delta_z": -1.0071
      },
      {
        "ch": 90.0,
        "easting": 452789.2642,
        "northing": 6510497.4416,
        "existing_z": 169.8487,
        "design_z": 168.8234,
        "delta_z": -1.0252
      },
      {
        "ch": 95.4813,
        "easting": 452794.7369,
        "northing": 6510497.2128,
        "existing_z": 169.6806,
        "design_z": 168.659,
        "delta_z": -1.0215
      },
      {
        "ch": 100.0,
        "easting": 452799.1951,
        "northing": 6510496.4896,
        "existing_z": 169.5088,
        "design_z": 168.5114,
        "delta_z": -0.9973
      },
      {
        "ch": 110.0,
        "easting": 452808.6213,
        "northing": 6510493.2221,
        "existing_z": 169.0283,
        "design_z": 168.1848,
        "delta_z": -0.8435
      },
      {
        "ch": 120.0,
        "easting": 452817.0108,
        "northing": 6510487.8237,
        "existing_z": 168.4675,
        "design_z": 167.8582,
        "delta_z": -0.6093
      },
      {
        "ch": 130.0,
        "easting": 452824.2105,
        "northing": 6510480.8895,
        "existing_z": 167.8945,
        "design_z": 167.5315,
        "delta_z": -0.363
      },
      {
        "ch": 130.9626,
        "easting": 452824.8912,
        "northing": 6510480.2088,
        "existing_z": 167.8394,
        "design_z": 167.5001,
        "delta_z": -0.3393
      },
      {
        "ch": 140.0,
        "easting": 452831.2815,
        "northing": 6510473.8185,
        "existing_z": 167.328,
        "design_z": 167.1996,
        "delta_z": -0.1284
      },
      {
        "ch": 150.0,
        "easting": 452838.3526,
        "northing": 6510466.7474,
        "existing_z": 166.8047,
        "design_z": 166.8549,
        "delta_z": 0.0502
      },
      {
        "ch": 150.9626,
        "easting": 452839.0333,
        "northing": 6510466.0667,
        "existing_z": 166.7577,
        "design_z": 166.8211,
        "delta_z": 0.0634
      },
      {
        "ch": 160.0,
        "easting": 452845.4237,
        "northing": 6510459.6763,
        "existing_z": 166.3165,
        "design_z": 166.4973,
        "delta_z": 0.1808
      },
      {
        "ch": 170.0,
        "easting": 452852.4947,
        "northing": 6510452.6053,
        "existing_z": 165.8508,
        "design_z": 166.1269,
        "delta_z": 0.276
      },
      {
        "ch": 170.9626,
        "easting": 452853.1754,
        "northing": 6510451.9246,
        "existing_z": 165.8101,
        "design_z": 166.0905,
        "delta_z": 0.2805
      },
      {
        "ch": 180.0,
        "easting": 452859.5658,
        "northing": 6510445.5342,
        "existing_z": 165.453,
        "design_z": 165.7488,
        "delta_z": 0.2958
      },
      {
        "ch": 190.0,
        "easting": 452866.6369,
        "northing": 6510438.4631,
        "existing_z": 165.071,
        "design_z": 165.3707,
        "delta_z": 0.2997
      },
      {
        "ch": 200.0,
        "easting": 452873.7079,
        "northing": 6510431.3921,
        "existing_z": 164.7478,
        "design_z": 164.9925,
        "delta_z": 0.2447
      },
      {
        "ch": 206.444,
        "easting": 452878.2645,
        "northing": 6510426.8355,
        "existing_z": 164.5749,
        "design_z": 164.7489,
        "delta_z": 0.174
      },
      {
        "ch": 210.0,
        "easting": 452880.779,
        "northing": 6510424.321,
        "existing_z": 164.4789,
        "design_z": 164.6143,
        "delta_z": 0.1354
      },
      {
        "ch": 220.0,
        "easting": 452887.8501,
        "northing": 6510417.2499,
        "existing_z": 164.2026,
        "design_z": 164.2343,
        "delta_z": 0.0317
      },
      {
        "ch": 226.444,
        "easting": 452892.4066,
        "northing": 6510412.6934,
        "existing_z": 164.0189,
        "design_z": 163.9883,
        "delta_z": -0.0306
      },
      {
        "ch": 230.0,
        "easting": 452894.9211,
        "northing": 6510410.1789,
        "existing_z": 163.9132,
        "design_z": 163.8521,
        "delta_z": -0.0611
      },
      {
        "ch": 240.0,
        "easting": 452901.9922,
        "northing": 6510403.1078,
        "existing_z": 163.6008,
        "design_z": 163.4678,
        "delta_z": -0.133
      },
      {
        "ch": 246.444,
        "easting": 452906.5488,
        "northing": 6510398.5512,
        "existing_z": 163.3847,
        "design_z": 163.219,
        "delta_z": -0.1657
      },
      {
        "ch": 250.0,
        "easting": 452909.0633,
        "northing": 6510396.0367,
        "existing_z": 163.2604,
        "design_z": 163.0815,
        "delta_z": -0.1789
      },
      {
        "ch": 260.0,
        "easting": 452916.1343,
        "northing": 6510388.9657,
        "existing_z": 162.8403,
        "design_z": 162.6946,
        "delta_z": -0.1457
      },
      {
        "ch": 270.0,
        "easting": 452923.2054,
        "northing": 6510381.8946,
        "existing_z": 162.4138,
        "design_z": 162.3078,
        "delta_z": -0.106
      },
      {
        "ch": 280.0,
        "easting": 452930.2765,
        "northing": 6510374.8235,
        "existing_z": 161.983,
        "design_z": 161.921,
        "delta_z": -0.0619
      },
      {
        "ch": 290.0,
        "easting": 452937.3475,
        "northing": 6510367.7525,
        "existing_z": 161.5585,
        "design_z": 161.5342,
        "delta_z": -0.0242
      },
      {
        "ch": 300.0,
        "easting": 452944.4186,
        "northing": 6510360.6814,
        "existing_z": 161.1515,
        "design_z": 161.1474,
        "delta_z": -0.004
      },
      {
        "ch": 301.9253,
        "easting": 452945.78,
        "northing": 6510359.32,
        "existing_z": 161.073,
        "design_z": 161.073,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD153",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 485.058,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.4,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450640.71,
          6510284.39
        ],
        "end": [
          450599.6982,
          6510325.401799999
        ],
        "chainage_start": 0,
        "length": 57.99944377701423
      },
      {
        "type": "ARC",
        "centre": [
          450629.3958790292,
          6510355.099479028
        ],
        "radius": 41.998860454132554,
        "start_angle_rad": -2.356194490198225,
        "sweep_rad": -1.5708138691153548,
        "start": [
          450599.6982,
          6510325.401799999
        ],
        "end": [
          450599.6987209708,
          6510384.79767902
        ],
        "chainage_start": 57.99944377701423,
        "length": 65.97239248839182,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450599.6987209709,
          6510384.797679019
        ],
        "end": [
          450855.03,
          6510640.12
        ],
        "chainage_start": 123.97183626540604,
        "length": 361.0866234600163
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 69.29406567506034,
        "pvi_z": 145.24184806210556,
        "bvc": 49.29406567506034,
        "evc": 89.29406567506034,
        "length": 40.0,
        "g1": 0.05531680239765493,
        "g2": 0.0721481214743789,
        "z_bvc": 144.13551201415245,
        "K_m_per_percent": 23.765219955526824
      },
      {
        "pvi_ch": 138.58813135012068,
        "pvi_z": 150.2412847298834,
        "bvc": 118.58813135012068,
        "evc": 158.58813135012068,
        "length": 40.0,
        "g1": 0.0721481214743789,
        "g2": 0.07404474544125991,
        "z_bvc": 148.79832230039582,
        "K_m_per_percent": 210.90105734443458
      },
      {
        "pvi_ch": 207.88219702518103,
        "pvi_z": 155.3721461833832,
        "bvc": 187.88219702518103,
        "evc": 227.88219702518103,
        "length": 40.0,
        "g1": 0.07404474544125991,
        "g2": 0.0076755033058841,
        "z_bvc": 153.891251274558,
        "K_m_per_percent": 6.026888165817911
      },
      {
        "pvi_ch": 277.17626270024135,
        "pvi_z": 155.90401301355027,
        "bvc": 257.17626270024135,
        "evc": 297.17626270024135,
        "length": 40.0,
        "g1": 0.0076755033058841,
        "g2": -0.022689046705611664,
        "z_bvc": 155.75050294743258,
        "K_m_per_percent": 13.173256308707469
      },
      {
        "pvi_ch": 346.4703283753017,
        "pvi_z": 154.3317967210271,
        "bvc": 326.4703283753017,
        "evc": 366.4703283753017,
        "length": 40.0,
        "g1": -0.022689046705611664,
        "g2": -0.026733752404997462,
        "z_bvc": 154.78557765513935,
        "K_m_per_percent": 98.89471069817053
      },
      {
        "pvi_ch": 415.76439405036206,
        "pvi_z": 152.4793063261344,
        "bvc": 395.76439405036206,
        "evc": 435.76439405036206,
        "length": 40.0,
        "g1": -0.026733752404997462,
        "g2": -0.0053925213626079115,
        "z_bvc": 153.01398137423436,
        "K_m_per_percent": 18.743061222920556
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450640.71,
        "northing": 6510284.39,
        "existing_z": 141.4087,
        "design_z": 141.4087,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450633.6389,
        "northing": 6510291.4611,
        "existing_z": 142.0381,
        "design_z": 141.9619,
        "delta_z": -0.0762
      },
      {
        "ch": 20.0,
        "easting": 450626.5679,
        "northing": 6510298.5321,
        "existing_z": 142.6176,
        "design_z": 142.5151,
        "delta_z": -0.1025
      },
      {
        "ch": 30.0,
        "easting": 450619.4968,
        "northing": 6510305.6032,
        "existing_z": 143.14,
        "design_z": 143.0682,
        "delta_z": -0.0718
      },
      {
        "ch": 40.0,
        "easting": 450612.4257,
        "northing": 6510312.6743,
        "existing_z": 143.6812,
        "design_z": 143.6214,
        "delta_z": -0.0598
      },
      {
        "ch": 49.2941,
        "easting": 450605.8538,
        "northing": 6510319.2462,
        "existing_z": 144.102,
        "design_z": 144.1355,
        "delta_z": 0.0335
      },
      {
        "ch": 50.0,
        "easting": 450605.3547,
        "northing": 6510319.7453,
        "existing_z": 144.1303,
        "design_z": 144.1747,
        "delta_z": 0.0443
      },
      {
        "ch": 60.0,
        "easting": 450598.3178,
        "northing": 6510326.8496,
        "existing_z": 144.536,
        "design_z": 144.7518,
        "delta_z": 0.2158
      },
      {
        "ch": 69.2941,
        "easting": 450592.8751,
        "northing": 6510334.3598,
        "existing_z": 144.9858,
        "design_z": 145.326,
        "delta_z": 0.3402
      },
      {
        "ch": 70.0,
        "easting": 450592.5316,
        "northing": 6510334.9766,
        "existing_z": 145.0236,
        "design_z": 145.3711,
        "delta_z": 0.3475
      },
      {
        "ch": 80.0,
        "easting": 450588.8255,
        "northing": 6510344.239,
        "existing_z": 145.5994,
        "design_z": 146.0324,
        "delta_z": 0.433
      },
      {
        "ch": 89.2941,
        "easting": 450587.4311,
        "northing": 6510353.4087,
        "existing_z": 146.1916,
        "design_z": 146.6848,
        "delta_z": 0.4933
      },
      {
        "ch": 90.0,
        "easting": 450587.4086,
        "northing": 6510354.1143,
        "existing_z": 146.2392,
        "design_z": 146.7357,
        "delta_z": 0.4966
      },
      {
        "ch": 100.0,
        "easting": 450588.3608,
        "northing": 6510364.0451,
        "existing_z": 146.9377,
        "design_z": 147.4572,
        "delta_z": 0.5195
      },
      {
        "ch": 110.0,
        "easting": 450591.6284,
        "northing": 6510373.4712,
        "existing_z": 147.6764,
        "design_z": 148.1787,
        "delta_z": 0.5023
      },
      {
        "ch": 118.5881,
        "easting": 450596.1459,
        "northing": 6510380.7576,
        "existing_z": 148.33,
        "design_z": 148.7983,
        "delta_z": 0.4683
      },
      {
        "ch": 120.0,
        "easting": 450597.027,
        "northing": 6510381.8607,
        "existing_z": 148.4372,
        "design_z": 148.9002,
        "delta_z": 0.4631
      },
      {
        "ch": 130.0,
        "easting": 450603.9614,
        "northing": 6510389.0602,
        "existing_z": 149.1987,
        "design_z": 149.6248,
        "delta_z": 0.4261
      },
      {
        "ch": 138.5881,
        "easting": 450610.0342,
        "northing": 6510395.1328,
        "existing_z": 149.9856,
        "design_z": 150.2508,
        "delta_z": 0.2651
      },
      {
        "ch": 140.0,
        "easting": 450611.0325,
        "northing": 6510396.1311,
        "existing_z": 150.116,
        "design_z": 150.354,
        "delta_z": 0.2381
      },
      {
        "ch": 150.0,
        "easting": 450618.1037,
        "northing": 6510403.202,
        "existing_z": 151.1245,
        "design_z": 151.088,
        "delta_z": -0.0365
      },
      {
        "ch": 158.5881,
        "easting": 450624.1766,
        "northing": 6510409.2747,
        "existing_z": 152.1103,
        "design_z": 151.7222,
        "delta_z": -0.3881
      },
      {
        "ch": 160.0,
        "easting": 450625.1749,
        "northing": 6510410.273,
        "existing_z": 152.2834,
        "design_z": 151.8267,
        "delta_z": -0.4567
      },
      {
        "ch": 170.0,
        "easting": 450632.2461,
        "northing": 6510417.3439,
        "existing_z": 153.4956,
        "design_z": 152.5672,
        "delta_z": -0.9285
      },
      {
        "ch": 180.0,
        "easting": 450639.3173,
        "northing": 6510424.4149,
        "existing_z": 154.5679,
        "design_z": 153.3076,
        "delta_z": -1.2603
      },
      {
        "ch": 187.8822,
        "easting": 450644.891,
        "northing": 6510429.9883,
        "existing_z": 155.4384,
        "design_z": 153.8913,
        "delta_z": -1.5471
      },
      {
        "ch": 190.0,
        "easting": 450646.3885,
        "northing": 6510431.4858,
        "existing_z": 155.6349,
        "design_z": 154.0443,
        "delta_z": -1.5906
      },
      {
        "ch": 200.0,
        "easting": 450653.4597,
        "northing": 6510438.5568,
        "existing_z": 156.292,
        "design_z": 154.6667,
        "delta_z": -1.6253
      },
      {
        "ch": 207.8822,
        "easting": 450659.0333,
        "northing": 6510444.1302,
        "existing_z": 156.5675,
        "design_z": 155.0403,
        "delta_z": -1.5272
      },
      {
        "ch": 210.0,
        "easting": 450660.5309,
        "northing": 6510445.6277,
        "existing_z": 156.6369,
        "design_z": 155.1231,
        "delta_z": -1.5137
      },
      {
        "ch": 220.0,
        "easting": 450667.6021,
        "northing": 6510452.6987,
        "existing_z": 156.8897,
        "design_z": 155.4136,
        "delta_z": -1.4761
      },
      {
        "ch": 227.8822,
        "easting": 450673.1757,
        "northing": 6510458.2721,
        "existing_z": 156.9059,
        "design_z": 155.5257,
        "delta_z": -1.3802
      },
      {
        "ch": 230.0,
        "easting": 450674.6733,
        "northing": 6510459.7696,
        "existing_z": 156.8877,
        "design_z": 155.5419,
        "delta_z": -1.3458
      },
      {
        "ch": 240.0,
        "easting": 450681.7445,
        "northing": 6510466.8405,
        "existing_z": 156.7846,
        "design_z": 155.6187,
        "delta_z": -1.1659
      },
      {
        "ch": 250.0,
        "easting": 450688.8157,
        "northing": 6510473.9115,
        "existing_z": 156.6435,
        "design_z": 155.6954,
        "delta_z": -0.9481
      },
      {
        "ch": 257.1763,
        "easting": 450693.8901,
        "northing": 6510478.9858,
        "existing_z": 156.5359,
        "design_z": 155.7505,
        "delta_z": -0.7854
      },
      {
        "ch": 260.0,
        "easting": 450695.8868,
        "northing": 6510480.9824,
        "existing_z": 156.4897,
        "design_z": 155.7692,
        "delta_z": -0.7205
      },
      {
        "ch": 270.0,
        "easting": 450702.958,
        "northing": 6510488.0534,
        "existing_z": 156.3035,
        "design_z": 155.7865,
        "delta_z": -0.517
      },
      {
        "ch": 277.1763,
        "easting": 450708.0325,
        "northing": 6510493.1277,
        "existing_z": 156.1401,
        "design_z": 155.7522,
        "delta_z": -0.3879
      },
      {
        "ch": 280.0,
        "easting": 450710.0292,
        "northing": 6510495.1243,
        "existing_z": 156.0704,
        "design_z": 155.728,
        "delta_z": -0.3424
      },
      {
        "ch": 290.0,
        "easting": 450717.1004,
        "northing": 6510502.1953,
        "existing_z": 155.8916,
        "design_z": 155.5935,
        "delta_z": -0.298
      },
      {
        "ch": 297.1763,
        "easting": 450722.1749,
        "northing": 6510507.2696,
        "existing_z": 155.7323,
        "design_z": 155.4502,
        "delta_z": -0.2821
      },
      {
        "ch": 300.0,
        "easting": 450724.1716,
        "northing": 6510509.2662,
        "existing_z": 155.6625,
        "design_z": 155.3862,
        "delta_z": -0.2763
      },
      {
        "ch": 310.0,
        "easting": 450731.2428,
        "northing": 6510516.3371,
        "existing_z": 155.3731,
        "design_z": 155.1593,
        "delta_z": -0.2138
      },
      {
        "ch": 320.0,
        "easting": 450738.314,
        "northing": 6510523.4081,
        "existing_z": 155.1465,
        "design_z": 154.9324,
        "delta_z": -0.2141
      },
      {
        "ch": 326.4703,
        "easting": 450742.8893,
        "northing": 6510527.9832,
        "existing_z": 154.9832,
        "design_z": 154.7856,
        "delta_z": -0.1977
      },
      {
        "ch": 330.0,
        "easting": 450745.3852,
        "northing": 6510530.479,
        "existing_z": 154.887,
        "design_z": 154.7049,
        "delta_z": -0.1821
      },
      {
        "ch": 340.0,
        "easting": 450752.4564,
        "northing": 6510537.55,
        "existing_z": 154.6069,
        "design_z": 154.4693,
        "delta_z": -0.1375
      },
      {
        "ch": 346.4703,
        "easting": 450757.0317,
        "northing": 6510542.1251,
        "existing_z": 154.4449,
        "design_z": 154.3116,
        "delta_z": -0.1334
      },
      {
        "ch": 350.0,
        "easting": 450759.5276,
        "northing": 6510544.6209,
        "existing_z": 154.354,
        "design_z": 154.2237,
        "delta_z": -0.1303
      },
      {
        "ch": 360.0,
        "easting": 450766.5988,
        "northing": 6510551.6919,
        "existing_z": 154.0773,
        "design_z": 153.968,
        "delta_z": -0.1094
      },
      {
        "ch": 366.4703,
        "easting": 450771.1741,
        "northing": 6510556.267,
        "existing_z": 153.8731,
        "design_z": 153.7971,
        "delta_z": -0.076
      },
      {
        "ch": 370.0,
        "easting": 450773.67,
        "northing": 6510558.7628,
        "existing_z": 153.7594,
        "design_z": 153.7028,
        "delta_z": -0.0567
      },
      {
        "ch": 380.0,
        "easting": 450780.7411,
        "northing": 6510565.8338,
        "existing_z": 153.4349,
        "design_z": 153.4354,
        "delta_z": 0.0005
      },
      {
        "ch": 390.0,
        "easting": 450787.8123,
        "northing": 6510572.9047,
        "existing_z": 153.0784,
        "design_z": 153.1681,
        "delta_z": 0.0897
      },
      {
        "ch": 395.7644,
        "easting": 450791.8885,
        "northing": 6510576.9807,
        "existing_z": 152.8491,
        "design_z": 153.014,
        "delta_z": 0.1649
      },
      {
        "ch": 400.0,
        "easting": 450794.8835,
        "northing": 6510579.9756,
        "existing_z": 152.6829,
        "design_z": 152.9055,
        "delta_z": 0.2226
      },
      {
        "ch": 410.0,
        "easting": 450801.9547,
        "northing": 6510587.0466,
        "existing_z": 152.2958,
        "design_z": 152.6875,
        "delta_z": 0.3916
      },
      {
        "ch": 415.7644,
        "easting": 450806.0308,
        "northing": 6510591.1226,
        "existing_z": 152.0696,
        "design_z": 152.586,
        "delta_z": 0.5164
      },
      {
        "ch": 420.0,
        "easting": 450809.0259,
        "northing": 6510594.1175,
        "existing_z": 151.8931,
        "design_z": 152.5228,
        "delta_z": 0.6297
      },
      {
        "ch": 430.0,
        "easting": 450816.0971,
        "northing": 6510601.1885,
        "existing_z": 151.5844,
        "design_z": 152.4114,
        "delta_z": 0.827
      },
      {
        "ch": 435.7644,
        "easting": 450820.1732,
        "northing": 6510605.2644,
        "existing_z": 151.422,
        "design_z": 152.3715,
        "delta_z": 0.9494
      },
      {
        "ch": 440.0,
        "easting": 450823.1683,
        "northing": 6510608.2594,
        "existing_z": 151.3057,
        "design_z": 152.3486,
        "delta_z": 1.0429
      },
      {
        "ch": 450.0,
        "easting": 450830.2395,
        "northing": 6510615.3304,
        "existing_z": 151.1035,
        "design_z": 152.2947,
        "delta_z": 1.1911
      },
      {
        "ch": 460.0,
        "easting": 450837.3107,
        "northing": 6510622.4013,
        "existing_z": 151.2109,
        "design_z": 152.2408,
        "delta_z": 1.0299
      },
      {
        "ch": 470.0,
        "easting": 450844.3819,
        "northing": 6510629.4722,
        "existing_z": 151.3479,
        "design_z": 152.1868,
        "delta_z": 0.8389
      },
      {
        "ch": 480.0,
        "easting": 450851.4531,
        "northing": 6510636.5432,
        "existing_z": 151.7173,
        "design_z": 152.1329,
        "delta_z": 0.4156
      },
      {
        "ch": 485.0585,
        "easting": 450855.03,
        "northing": 6510640.12,
        "existing_z": 152.1056,
        "design_z": 152.1056,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD154",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 43.43,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.99,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449980.0,
          6510500.83
        ],
        "end": [
          450010.71,
          6510470.12
        ],
        "chainage_start": 0,
        "length": 43.43049850046622
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449980.0,
        "northing": 6510500.83,
        "existing_z": 208.0372,
        "design_z": 208.0372,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449987.0711,
        "northing": 6510493.7589,
        "existing_z": 208.7224,
        "design_z": 207.9384,
        "delta_z": -0.784
      },
      {
        "ch": 20.0,
        "easting": 449994.1421,
        "northing": 6510486.6879,
        "existing_z": 208.6595,
        "design_z": 207.8396,
        "delta_z": -0.8199
      },
      {
        "ch": 30.0,
        "easting": 450001.2132,
        "northing": 6510479.6168,
        "existing_z": 208.1483,
        "design_z": 207.7408,
        "delta_z": -0.4075
      },
      {
        "ch": 40.0,
        "easting": 450008.2843,
        "northing": 6510472.5457,
        "existing_z": 207.7978,
        "design_z": 207.642,
        "delta_z": -0.1559
      },
      {
        "ch": 43.4305,
        "easting": 450010.71,
        "northing": 6510470.12,
        "existing_z": 207.6081,
        "design_z": 207.6081,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD155",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 608.422,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 9.61,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452450.0,
          6510630.0
        ],
        "end": [
          452461.6,
          6510641.6
        ],
        "chainage_start": 0,
        "length": 16.40487732324802
      },
      {
        "type": "ARC",
        "centre": [
          452481.8793939239,
          6510621.320606076
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 2.356194490203826,
        "sweep_rad": -0.7853981633974484,
        "start": [
          452461.6,
          6510641.6
        ],
        "end": [
          452481.8793939239,
          6510650.0
        ],
        "chainage_start": 16.40487732324802,
        "length": 22.524743315209697,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452481.87939392356,
          6510650.0
        ],
        "end": [
          452525.0444111188,
          6510650.0
        ],
        "chainage_start": 38.92962063845772,
        "length": 43.16501719522057
      },
      {
        "type": "ARC",
        "centre": [
          452525.0444111188,
          6510647.317049624
        ],
        "radius": 2.6829503760658984,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -2.149161240982451,
        "start": [
          452525.0444111188,
          6510650.0
        ],
        "end": [
          452527.29099999997,
          6510645.8504
        ],
        "chainage_start": 82.09463783367829,
        "length": 5.766092959720121,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452527.29099999997,
          6510645.850400001
        ],
        "end": [
          452526.259,
          6510644.2696
        ],
        "chainage_start": 87.86073079339842,
        "length": 1.8878433837904143
      },
      {
        "type": "ARC",
        "centre": [
          452531.3706703182,
          6510640.932527779
        ],
        "radius": 6.104524916512196,
        "start_angle_rad": 2.5632277394526737,
        "sweep_rad": 1.3637767997117847,
        "start": [
          452526.259,
          6510644.2696
        ],
        "end": [
          452527.05417858646,
          6510636.615917582
        ],
        "chainage_start": 89.74857417718883,
        "length": 8.325209454401852,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452527.0541785867,
          6510636.615917582
        ],
        "end": [
          452887.93,
          6510275.75
        ],
        "chainage_start": 98.07378363159069,
        "length": 510.3484779570406
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 76.05278269857891,
        "pvi_z": 190.3701960383068,
        "bvc": 41.8290304842184,
        "evc": 110.27653491293941,
        "length": 68.44750442872102,
        "g1": 0.04342911148473852,
        "g2": -0.08265903030115743,
        "z_bvc": 188.88388888796328,
        "K_m_per_percent": 5.428544148501161
      },
      {
        "pvi_ch": 152.10556539715782,
        "pvi_z": 184.08374676873763,
        "bvc": 132.10556539715782,
        "evc": 172.10556539715782,
        "length": 40.0,
        "g1": -0.08265903030115743,
        "g2": -0.0961382887205408,
        "z_bvc": 185.73692737476077,
        "K_m_per_percent": 29.67522303933236
      },
      {
        "pvi_ch": 228.15834809573673,
        "pvi_z": 176.7721623876611,
        "bvc": 208.15834809573673,
        "evc": 248.15834809573673,
        "length": 40.0,
        "g1": -0.0961382887205408,
        "g2": -0.06718381513487308,
        "z_bvc": 178.6949281620719,
        "K_m_per_percent": 13.814790961974094
      },
      {
        "pvi_ch": 304.21113079431564,
        "pvi_z": 171.6626462943471,
        "bvc": 284.21113079431564,
        "evc": 324.21113079431564,
        "length": 40.0,
        "g1": -0.06718381513487308,
        "g2": -0.04110395168616965,
        "z_bvc": 173.00632259704457,
        "K_m_per_percent": 15.337503617944984
      },
      {
        "pvi_ch": 380.2639134928945,
        "pvi_z": 168.53657638870595,
        "bvc": 360.2639134928945,
        "evc": 400.2639134928945,
        "length": 40.0,
        "g1": -0.04110395168616965,
        "g2": -0.03405697002895288,
        "z_bvc": 169.35865542242934,
        "K_m_per_percent": 56.761890332205226
      },
      {
        "pvi_ch": 456.31669619147345,
        "pvi_z": 165.94644904772198,
        "bvc": 436.31669619147345,
        "evc": 476.31669619147345,
        "length": 40.0,
        "g1": -0.03405697002895288,
        "g2": -0.03318190969466786,
        "z_bvc": 166.62758844830105,
        "K_m_per_percent": 457.11133773058674
      },
      {
        "pvi_ch": 532.3694788900524,
        "pvi_z": 163.42287248018954,
        "bvc": 512.3694788900524,
        "evc": 552.3694788900524,
        "length": 40.0,
        "g1": -0.03318190969466786,
        "g2": -0.034341626908440434,
        "z_bvc": 164.0865106740829,
        "K_m_per_percent": 344.91166919804124
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452450.0,
        "northing": 6510630.0,
        "existing_z": 187.0673,
        "design_z": 187.0673,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452457.0711,
        "northing": 6510637.0711,
        "existing_z": 187.6891,
        "design_z": 187.5016,
        "delta_z": -0.1876
      },
      {
        "ch": 20.0,
        "easting": 452464.2946,
        "northing": 6510643.9764,
        "existing_z": 188.4356,
        "design_z": 187.9359,
        "delta_z": -0.4998
      },
      {
        "ch": 30.0,
        "easting": 452473.0934,
        "northing": 6510648.621,
        "existing_z": 189.2933,
        "design_z": 188.3702,
        "delta_z": -0.9231
      },
      {
        "ch": 40.0,
        "easting": 452482.9498,
        "northing": 6510650.0,
        "existing_z": 190.3479,
        "design_z": 188.8045,
        "delta_z": -1.5435
      },
      {
        "ch": 41.829,
        "easting": 452484.7788,
        "northing": 6510650.0,
        "existing_z": 190.5106,
        "design_z": 188.8839,
        "delta_z": -1.6267
      },
      {
        "ch": 50.0,
        "easting": 452492.9498,
        "northing": 6510650.0,
        "existing_z": 191.2228,
        "design_z": 189.1773,
        "delta_z": -2.0456
      },
      {
        "ch": 60.0,
        "easting": 452502.9498,
        "northing": 6510650.0,
        "existing_z": 192.0628,
        "design_z": 189.3689,
        "delta_z": -2.6939
      },
      {
        "ch": 70.0,
        "easting": 452512.9498,
        "northing": 6510650.0,
        "existing_z": 192.7305,
        "design_z": 189.3764,
        "delta_z": -3.3541
      },
      {
        "ch": 76.0528,
        "easting": 452519.0026,
        "northing": 6510650.0,
        "existing_z": 192.8852,
        "design_z": 189.2914,
        "delta_z": -3.5938
      },
      {
        "ch": 80.0,
        "easting": 452522.9498,
        "northing": 6510650.0,
        "existing_z": 192.9861,
        "design_z": 189.1996,
        "delta_z": -3.7865
      },
      {
        "ch": 90.0,
        "easting": 452526.1259,
        "northing": 6510644.0563,
        "existing_z": 192.0152,
        "design_z": 188.8387,
        "delta_z": -3.1765
      },
      {
        "ch": 100.0,
        "easting": 452528.4162,
        "northing": 6510635.2539,
        "existing_z": 190.5202,
        "design_z": 188.2935,
        "delta_z": -2.2267
      },
      {
        "ch": 110.0,
        "easting": 452535.4874,
        "northing": 6510628.1829,
        "existing_z": 189.2096,
        "design_z": 187.5641,
        "delta_z": -1.6455
      },
      {
        "ch": 110.2765,
        "easting": 452535.6829,
        "northing": 6510627.9874,
        "existing_z": 189.1714,
        "design_z": 187.5413,
        "delta_z": -1.6301
      },
      {
        "ch": 120.0,
        "easting": 452542.5586,
        "northing": 6510621.112,
        "existing_z": 187.8657,
        "design_z": 186.7376,
        "delta_z": -1.1282
      },
      {
        "ch": 130.0,
        "easting": 452549.6297,
        "northing": 6510614.041,
        "existing_z": 186.5997,
        "design_z": 185.911,
        "delta_z": -0.6887
      },
      {
        "ch": 132.1056,
        "easting": 452551.1186,
        "northing": 6510612.5521,
        "existing_z": 186.3179,
        "design_z": 185.7369,
        "delta_z": -0.581
      },
      {
        "ch": 140.0,
        "easting": 452556.7009,
        "northing": 6510606.97,
        "existing_z": 185.2948,
        "design_z": 185.0739,
        "delta_z": -0.2209
      },
      {
        "ch": 150.0,
        "easting": 452563.7721,
        "northing": 6510599.899,
        "existing_z": 184.099,
        "design_z": 184.2038,
        "delta_z": 0.1048
      },
      {
        "ch": 152.1056,
        "easting": 452565.2609,
        "northing": 6510598.4102,
        "existing_z": 183.8554,
        "design_z": 184.0164,
        "delta_z": 0.1609
      },
      {
        "ch": 160.0,
        "easting": 452570.8432,
        "northing": 6510592.8281,
        "existing_z": 182.9579,
        "design_z": 183.3001,
        "delta_z": 0.3422
      },
      {
        "ch": 170.0,
        "easting": 452577.9144,
        "northing": 6510585.7571,
        "existing_z": 181.8682,
        "design_z": 182.3627,
        "delta_z": 0.4945
      },
      {
        "ch": 172.1056,
        "easting": 452579.4033,
        "northing": 6510584.2683,
        "existing_z": 181.6538,
        "design_z": 182.161,
        "delta_z": 0.5071
      },
      {
        "ch": 180.0,
        "easting": 452584.9856,
        "northing": 6510578.6861,
        "existing_z": 180.8685,
        "design_z": 181.402,
        "delta_z": 0.5335
      },
      {
        "ch": 190.0,
        "easting": 452592.0567,
        "northing": 6510571.6152,
        "existing_z": 179.9001,
        "design_z": 180.4406,
        "delta_z": 0.5406
      },
      {
        "ch": 200.0,
        "easting": 452599.1279,
        "northing": 6510564.5442,
        "existing_z": 178.9476,
        "design_z": 179.4793,
        "delta_z": 0.5317
      },
      {
        "ch": 208.1583,
        "easting": 452604.8968,
        "northing": 6510558.7754,
        "existing_z": 178.1821,
        "design_z": 178.6949,
        "delta_z": 0.5128
      },
      {
        "ch": 210.0,
        "easting": 452606.1991,
        "northing": 6510557.4732,
        "existing_z": 178.0098,
        "design_z": 178.5191,
        "delta_z": 0.5093
      },
      {
        "ch": 220.0,
        "easting": 452613.2702,
        "northing": 6510550.4022,
        "existing_z": 177.0625,
        "design_z": 177.6072,
        "delta_z": 0.5447
      },
      {
        "ch": 228.1583,
        "easting": 452619.0391,
        "northing": 6510544.6335,
        "existing_z": 176.3505,
        "design_z": 176.9169,
        "delta_z": 0.5664
      },
      {
        "ch": 230.0,
        "easting": 452620.3414,
        "northing": 6510543.3313,
        "existing_z": 176.1926,
        "design_z": 176.7678,
        "delta_z": 0.5752
      },
      {
        "ch": 240.0,
        "easting": 452627.4125,
        "northing": 6510536.2603,
        "existing_z": 175.3458,
        "design_z": 176.0007,
        "delta_z": 0.6549
      },
      {
        "ch": 248.1583,
        "easting": 452633.1814,
        "northing": 6510530.4916,
        "existing_z": 174.6627,
        "design_z": 175.4285,
        "delta_z": 0.7658
      },
      {
        "ch": 250.0,
        "easting": 452634.4837,
        "northing": 6510529.1893,
        "existing_z": 174.5253,
        "design_z": 175.3048,
        "delta_z": 0.7795
      },
      {
        "ch": 260.0,
        "easting": 452641.5549,
        "northing": 6510522.1184,
        "existing_z": 173.8478,
        "design_z": 174.6329,
        "delta_z": 0.7851
      },
      {
        "ch": 270.0,
        "easting": 452648.626,
        "northing": 6510515.0474,
        "existing_z": 173.1958,
        "design_z": 173.9611,
        "delta_z": 0.7653
      },
      {
        "ch": 280.0,
        "easting": 452655.6972,
        "northing": 6510507.9764,
        "existing_z": 172.586,
        "design_z": 173.2892,
        "delta_z": 0.7033
      },
      {
        "ch": 284.2111,
        "easting": 452658.675,
        "northing": 6510504.9987,
        "existing_z": 172.3571,
        "design_z": 173.0063,
        "delta_z": 0.6492
      },
      {
        "ch": 290.0,
        "easting": 452662.7684,
        "northing": 6510500.9055,
        "existing_z": 172.0391,
        "design_z": 172.6283,
        "delta_z": 0.5893
      },
      {
        "ch": 300.0,
        "easting": 452669.8395,
        "northing": 6510493.8345,
        "existing_z": 171.48,
        "design_z": 172.0268,
        "delta_z": 0.5468
      },
      {
        "ch": 304.2111,
        "easting": 452672.8173,
        "northing": 6510490.8568,
        "existing_z": 171.2583,
        "design_z": 171.793,
        "delta_z": 0.5347
      },
      {
        "ch": 310.0,
        "easting": 452676.9107,
        "northing": 6510486.7635,
        "existing_z": 171.0063,
        "design_z": 171.4905,
        "delta_z": 0.4842
      },
      {
        "ch": 320.0,
        "easting": 452683.9819,
        "northing": 6510479.6925,
        "existing_z": 170.5801,
        "design_z": 171.0194,
        "delta_z": 0.4394
      },
      {
        "ch": 324.2111,
        "easting": 452686.9596,
        "northing": 6510476.7149,
        "existing_z": 170.3942,
        "design_z": 170.8406,
        "delta_z": 0.4464
      },
      {
        "ch": 330.0,
        "easting": 452691.053,
        "northing": 6510472.6216,
        "existing_z": 170.143,
        "design_z": 170.6026,
        "delta_z": 0.4596
      },
      {
        "ch": 340.0,
        "easting": 452698.1242,
        "northing": 6510465.5506,
        "existing_z": 169.8129,
        "design_z": 170.1916,
        "delta_z": 0.3787
      },
      {
        "ch": 350.0,
        "easting": 452705.1954,
        "northing": 6510458.4796,
        "existing_z": 169.489,
        "design_z": 169.7805,
        "delta_z": 0.2915
      },
      {
        "ch": 360.0,
        "easting": 452712.2665,
        "northing": 6510451.4087,
        "existing_z": 169.1364,
        "design_z": 169.3695,
        "delta_z": 0.2332
      },
      {
        "ch": 360.2639,
        "easting": 452712.4531,
        "northing": 6510451.222,
        "existing_z": 169.127,
        "design_z": 169.3587,
        "delta_z": 0.2316
      },
      {
        "ch": 370.0,
        "easting": 452719.3377,
        "northing": 6510444.3377,
        "existing_z": 168.8431,
        "design_z": 168.9668,
        "delta_z": 0.1237
      },
      {
        "ch": 380.0,
        "easting": 452726.4089,
        "northing": 6510437.2667,
        "existing_z": 168.5058,
        "design_z": 168.5817,
        "delta_z": 0.0759
      },
      {
        "ch": 380.2639,
        "easting": 452726.5955,
        "northing": 6510437.0801,
        "existing_z": 168.496,
        "design_z": 168.5718,
        "delta_z": 0.0758
      },
      {
        "ch": 390.0,
        "easting": 452733.48,
        "northing": 6510430.1957,
        "existing_z": 168.0909,
        "design_z": 168.2143,
        "delta_z": 0.1234
      },
      {
        "ch": 400.0,
        "easting": 452740.5512,
        "northing": 6510423.1248,
        "existing_z": 167.7634,
        "design_z": 167.8644,
        "delta_z": 0.101
      },
      {
        "ch": 400.2639,
        "easting": 452740.7378,
        "northing": 6510422.9382,
        "existing_z": 167.7543,
        "design_z": 167.8554,
        "delta_z": 0.1011
      },
      {
        "ch": 410.0,
        "easting": 452747.6223,
        "northing": 6510416.0538,
        "existing_z": 167.3964,
        "design_z": 167.5239,
        "delta_z": 0.1275
      },
      {
        "ch": 420.0,
        "easting": 452754.6935,
        "northing": 6510408.9828,
        "existing_z": 167.0153,
        "design_z": 167.1833,
        "delta_z": 0.168
      },
      {
        "ch": 430.0,
        "easting": 452761.7647,
        "northing": 6510401.9119,
        "existing_z": 166.7302,
        "design_z": 166.8427,
        "delta_z": 0.1125
      },
      {
        "ch": 436.3167,
        "easting": 452766.2313,
        "northing": 6510397.4453,
        "existing_z": 166.5248,
        "design_z": 166.6276,
        "delta_z": 0.1028
      },
      {
        "ch": 440.0,
        "easting": 452768.8358,
        "northing": 6510394.8409,
        "existing_z": 166.3959,
        "design_z": 166.5023,
        "delta_z": 0.1064
      },
      {
        "ch": 450.0,
        "easting": 452775.907,
        "northing": 6510387.7699,
        "existing_z": 166.0927,
        "design_z": 166.1636,
        "delta_z": 0.0709
      },
      {
        "ch": 456.3167,
        "easting": 452780.3736,
        "northing": 6510383.3034,
        "existing_z": 165.9355,
        "design_z": 165.9508,
        "delta_z": 0.0153
      },
      {
        "ch": 460.0,
        "easting": 452782.9782,
        "northing": 6510380.6989,
        "existing_z": 165.8328,
        "design_z": 165.8271,
        "delta_z": -0.0056
      },
      {
        "ch": 470.0,
        "easting": 452790.0493,
        "northing": 6510373.628,
        "existing_z": 165.5132,
        "design_z": 165.4928,
        "delta_z": -0.0204
      },
      {
        "ch": 476.3167,
        "easting": 452794.516,
        "northing": 6510369.1615,
        "existing_z": 165.3264,
        "design_z": 165.2828,
        "delta_z": -0.0436
      },
      {
        "ch": 480.0,
        "easting": 452797.1205,
        "northing": 6510366.557,
        "existing_z": 165.2209,
        "design_z": 165.1606,
        "delta_z": -0.0603
      },
      {
        "ch": 490.0,
        "easting": 452804.1917,
        "northing": 6510359.486,
        "existing_z": 164.901,
        "design_z": 164.8288,
        "delta_z": -0.0722
      },
      {
        "ch": 500.0,
        "easting": 452811.2628,
        "northing": 6510352.4151,
        "existing_z": 164.5412,
        "design_z": 164.497,
        "delta_z": -0.0442
      },
      {
        "ch": 510.0,
        "easting": 452818.334,
        "northing": 6510345.3441,
        "existing_z": 164.2135,
        "design_z": 164.1651,
        "delta_z": -0.0483
      },
      {
        "ch": 512.3695,
        "easting": 452820.0095,
        "northing": 6510343.6686,
        "existing_z": 164.1353,
        "design_z": 164.0865,
        "delta_z": -0.0488
      },
      {
        "ch": 520.0,
        "easting": 452825.4052,
        "northing": 6510338.2731,
        "existing_z": 163.8716,
        "design_z": 163.8325,
        "delta_z": -0.0391
      },
      {
        "ch": 530.0,
        "easting": 452832.4763,
        "northing": 6510331.2022,
        "existing_z": 163.5148,
        "design_z": 163.497,
        "delta_z": -0.0178
      },
      {
        "ch": 532.3695,
        "easting": 452834.1518,
        "northing": 6510329.5267,
        "existing_z": 163.4381,
        "design_z": 163.4171,
        "delta_z": -0.021
      },
      {
        "ch": 540.0,
        "easting": 452839.5475,
        "northing": 6510324.1312,
        "existing_z": 163.2219,
        "design_z": 163.1586,
        "delta_z": -0.0633
      },
      {
        "ch": 550.0,
        "easting": 452846.6187,
        "northing": 6510317.0602,
        "existing_z": 162.9124,
        "design_z": 162.8173,
        "delta_z": -0.095
      },
      {
        "ch": 552.3695,
        "easting": 452848.2942,
        "northing": 6510315.3848,
        "existing_z": 162.8347,
        "design_z": 162.736,
        "delta_z": -0.0986
      },
      {
        "ch": 560.0,
        "easting": 452853.6898,
        "northing": 6510309.9892,
        "existing_z": 162.5894,
        "design_z": 162.474,
        "delta_z": -0.1154
      },
      {
        "ch": 570.0,
        "easting": 452860.761,
        "northing": 6510302.9183,
        "existing_z": 162.2766,
        "design_z": 162.1306,
        "delta_z": -0.1461
      },
      {
        "ch": 580.0,
        "easting": 452867.8322,
        "northing": 6510295.8473,
        "existing_z": 161.9335,
        "design_z": 161.7872,
        "delta_z": -0.1464
      },
      {
        "ch": 590.0,
        "easting": 452874.9033,
        "northing": 6510288.7763,
        "existing_z": 161.5614,
        "design_z": 161.4437,
        "delta_z": -0.1176
      },
      {
        "ch": 600.0,
        "easting": 452881.9745,
        "northing": 6510281.7054,
        "existing_z": 161.161,
        "design_z": 161.1003,
        "delta_z": -0.0607
      },
      {
        "ch": 608.4223,
        "easting": 452887.93,
        "northing": 6510275.75,
        "existing_z": 160.8111,
        "design_z": 160.8111,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD156",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 224.386,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.78,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452452.839571816,
          6510569.4191350965
        ],
        "end": [
          452611.5024911608,
          6510410.752517057
        ],
        "chainage_start": 0,
        "length": 224.3858677707376
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 74.79528925691254,
        "pvi_z": 178.57560845071112,
        "bvc": 54.79528925691254,
        "evc": 94.79528925691254,
        "length": 40.0,
        "g1": -0.05784545384600325,
        "g2": -0.041931785539890576,
        "z_bvc": 179.7325175276312,
        "K_m_per_percent": 25.13562506806517
      },
      {
        "pvi_ch": 149.59057851382508,
        "pvi_z": 175.43930842219618,
        "bvc": 129.59057851382508,
        "evc": 169.59057851382508,
        "length": 40.0,
        "g1": -0.041931785539890576,
        "g2": -0.026331742634176435,
        "z_bvc": 176.27794413299398,
        "K_m_per_percent": 25.640955119007014
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452452.8396,
        "northing": 6510569.4191,
        "existing_z": 182.9022,
        "design_z": 182.9022,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452459.9106,
        "northing": 6510562.348,
        "existing_z": 182.2123,
        "design_z": 182.3237,
        "delta_z": 0.1114
      },
      {
        "ch": 20.0,
        "easting": 452466.9815,
        "northing": 6510555.2768,
        "existing_z": 181.4871,
        "design_z": 181.7453,
        "delta_z": 0.2581
      },
      {
        "ch": 30.0,
        "easting": 452474.0525,
        "northing": 6510548.2057,
        "existing_z": 180.803,
        "design_z": 181.1668,
        "delta_z": 0.3638
      },
      {
        "ch": 40.0,
        "easting": 452481.1235,
        "northing": 6510541.1345,
        "existing_z": 180.2353,
        "design_z": 180.5884,
        "delta_z": 0.3531
      },
      {
        "ch": 50.0,
        "easting": 452488.1945,
        "northing": 6510534.0634,
        "existing_z": 179.6242,
        "design_z": 180.0099,
        "delta_z": 0.3857
      },
      {
        "ch": 54.7953,
        "easting": 452491.5852,
        "northing": 6510530.6726,
        "existing_z": 179.3351,
        "design_z": 179.7325,
        "delta_z": 0.3975
      },
      {
        "ch": 60.0,
        "easting": 452495.2655,
        "northing": 6510526.9922,
        "existing_z": 179.0835,
        "design_z": 179.4368,
        "delta_z": 0.3533
      },
      {
        "ch": 70.0,
        "easting": 452502.3365,
        "northing": 6510519.9211,
        "existing_z": 178.5936,
        "design_z": 178.899,
        "delta_z": 0.3054
      },
      {
        "ch": 74.7953,
        "easting": 452505.7272,
        "northing": 6510516.5303,
        "existing_z": 178.3454,
        "design_z": 178.6552,
        "delta_z": 0.3098
      },
      {
        "ch": 80.0,
        "easting": 452509.4075,
        "northing": 6510512.8499,
        "existing_z": 178.0662,
        "design_z": 178.4009,
        "delta_z": 0.3347
      },
      {
        "ch": 90.0,
        "easting": 452516.4784,
        "northing": 6510505.7788,
        "existing_z": 177.5959,
        "design_z": 177.9426,
        "delta_z": 0.3467
      },
      {
        "ch": 94.7953,
        "easting": 452519.8692,
        "northing": 6510502.388,
        "existing_z": 177.3804,
        "design_z": 177.737,
        "delta_z": 0.3566
      },
      {
        "ch": 100.0,
        "easting": 452523.5494,
        "northing": 6510498.7076,
        "existing_z": 177.138,
        "design_z": 177.5187,
        "delta_z": 0.3808
      },
      {
        "ch": 110.0,
        "easting": 452530.6204,
        "northing": 6510491.6365,
        "existing_z": 176.6489,
        "design_z": 177.0994,
        "delta_z": 0.4505
      },
      {
        "ch": 120.0,
        "easting": 452537.6914,
        "northing": 6510484.5653,
        "existing_z": 176.2458,
        "design_z": 176.6801,
        "delta_z": 0.4343
      },
      {
        "ch": 129.5906,
        "easting": 452544.4729,
        "northing": 6510477.7837,
        "existing_z": 175.865,
        "design_z": 176.2779,
        "delta_z": 0.4129
      },
      {
        "ch": 130.0,
        "easting": 452544.7624,
        "northing": 6510477.4942,
        "existing_z": 175.8483,
        "design_z": 176.2608,
        "delta_z": 0.4126
      },
      {
        "ch": 140.0,
        "easting": 452551.8334,
        "northing": 6510470.423,
        "existing_z": 175.4433,
        "design_z": 175.8626,
        "delta_z": 0.4192
      },
      {
        "ch": 149.5906,
        "easting": 452558.6149,
        "northing": 6510463.6414,
        "existing_z": 175.1845,
        "design_z": 175.5173,
        "delta_z": 0.3328
      },
      {
        "ch": 150.0,
        "easting": 452558.9044,
        "northing": 6510463.3519,
        "existing_z": 175.1736,
        "design_z": 175.5034,
        "delta_z": 0.3298
      },
      {
        "ch": 160.0,
        "easting": 452565.9753,
        "northing": 6510456.2807,
        "existing_z": 174.9011,
        "design_z": 175.1831,
        "delta_z": 0.2821
      },
      {
        "ch": 169.5906,
        "easting": 452572.7568,
        "northing": 6510449.4991,
        "existing_z": 174.6467,
        "design_z": 174.9127,
        "delta_z": 0.2659
      },
      {
        "ch": 170.0,
        "easting": 452573.0463,
        "northing": 6510449.2096,
        "existing_z": 174.6387,
        "design_z": 174.9019,
        "delta_z": 0.2632
      },
      {
        "ch": 180.0,
        "easting": 452580.1173,
        "northing": 6510442.1384,
        "existing_z": 174.4231,
        "design_z": 174.6386,
        "delta_z": 0.2155
      },
      {
        "ch": 190.0,
        "easting": 452587.1883,
        "northing": 6510435.0673,
        "existing_z": 174.172,
        "design_z": 174.3753,
        "delta_z": 0.2033
      },
      {
        "ch": 200.0,
        "easting": 452594.2593,
        "northing": 6510427.9961,
        "existing_z": 173.923,
        "design_z": 174.1119,
        "delta_z": 0.189
      },
      {
        "ch": 210.0,
        "easting": 452601.3303,
        "northing": 6510420.925,
        "existing_z": 173.7229,
        "design_z": 173.8486,
        "delta_z": 0.1257
      },
      {
        "ch": 220.0,
        "easting": 452608.4013,
        "northing": 6510413.8538,
        "existing_z": 173.5338,
        "design_z": 173.5853,
        "delta_z": 0.0515
      },
      {
        "ch": 224.3859,
        "easting": 452611.5025,
        "northing": 6510410.7525,
        "existing_z": 173.4698,
        "design_z": 173.4698,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD157",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 228.969,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.82,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452450.0,
          6510572.258773107
        ],
        "end": [
          452450.0,
          6510570.948684705
        ],
        "chainage_start": 0,
        "length": 1.3100884016603231
      },
      {
        "type": "ARC",
        "centre": [
          452452.2677477544,
          6510570.948684705
        ],
        "radius": 2.2677477543790143,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.7924284712633006,
        "start": [
          452450.0,
          6510570.948684705
        ],
        "end": [
          452450.67552085244,
          6510569.333911232
        ],
        "chainage_start": 1.3100884016603231,
        "length": 1.7970278862133453,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452450.6755208525,
          6510569.333911232
        ],
        "end": [
          452611.5024911608,
          6510410.752517057
        ],
        "chainage_start": 3.1071162878736684,
        "length": 225.86140209664327
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 76.32283946150565,
        "pvi_z": 178.77927285163113,
        "bvc": 56.32283946150565,
        "evc": 96.32283946150565,
        "length": 40.0,
        "g1": -0.058193675689363025,
        "g2": -0.042633086104201405,
        "z_bvc": 179.9431463654184,
        "K_m_per_percent": 25.70596684726104
      },
      {
        "pvi_ch": 152.6456789230113,
        "pvi_z": 175.52539466515162,
        "bvc": 132.6456789230113,
        "evc": 172.6456789230113,
        "length": 40.0,
        "g1": -0.042633086104201405,
        "g2": -0.02693265298330525,
        "z_bvc": 176.37805638723566,
        "K_m_per_percent": 25.477004164148095
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452450.0,
        "northing": 6510572.2588,
        "existing_z": 183.2208,
        "design_z": 183.2208,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452455.5837,
        "northing": 6510564.4943,
        "existing_z": 182.577,
        "design_z": 182.6388,
        "delta_z": 0.0619
      },
      {
        "ch": 20.0,
        "easting": 452462.7043,
        "northing": 6510557.4731,
        "existing_z": 181.8659,
        "design_z": 182.0569,
        "delta_z": 0.191
      },
      {
        "ch": 30.0,
        "easting": 452469.8249,
        "northing": 6510550.4519,
        "existing_z": 181.1196,
        "design_z": 181.475,
        "delta_z": 0.3554
      },
      {
        "ch": 40.0,
        "easting": 452476.9455,
        "northing": 6510543.4307,
        "existing_z": 180.5558,
        "design_z": 180.893,
        "delta_z": 0.3373
      },
      {
        "ch": 50.0,
        "easting": 452484.0661,
        "northing": 6510536.4096,
        "existing_z": 179.9616,
        "design_z": 180.3111,
        "delta_z": 0.3495
      },
      {
        "ch": 56.3228,
        "easting": 452488.5683,
        "northing": 6510531.9702,
        "existing_z": 179.5636,
        "design_z": 179.9431,
        "delta_z": 0.3795
      },
      {
        "ch": 60.0,
        "easting": 452491.1867,
        "northing": 6510529.3884,
        "existing_z": 179.3485,
        "design_z": 179.7318,
        "delta_z": 0.3833
      },
      {
        "ch": 70.0,
        "easting": 452498.3073,
        "northing": 6510522.3672,
        "existing_z": 178.8726,
        "design_z": 179.1836,
        "delta_z": 0.311
      },
      {
        "ch": 76.3228,
        "easting": 452502.8095,
        "northing": 6510517.9278,
        "existing_z": 178.5523,
        "design_z": 178.8571,
        "delta_z": 0.3048
      },
      {
        "ch": 80.0,
        "easting": 452505.4279,
        "northing": 6510515.346,
        "existing_z": 178.3592,
        "design_z": 178.6743,
        "delta_z": 0.3151
      },
      {
        "ch": 90.0,
        "easting": 452512.5485,
        "northing": 6510508.3248,
        "existing_z": 177.8455,
        "design_z": 178.2039,
        "delta_z": 0.3584
      },
      {
        "ch": 96.3228,
        "easting": 452517.0508,
        "northing": 6510503.8855,
        "existing_z": 177.5669,
        "design_z": 177.9266,
        "delta_z": 0.3597
      },
      {
        "ch": 100.0,
        "easting": 452519.6691,
        "northing": 6510501.3037,
        "existing_z": 177.3988,
        "design_z": 177.7698,
        "delta_z": 0.371
      },
      {
        "ch": 110.0,
        "easting": 452526.7897,
        "northing": 6510494.2825,
        "existing_z": 176.9194,
        "design_z": 177.3435,
        "delta_z": 0.4241
      },
      {
        "ch": 120.0,
        "easting": 452533.9103,
        "northing": 6510487.2613,
        "existing_z": 176.4682,
        "design_z": 176.9172,
        "delta_z": 0.449
      },
      {
        "ch": 130.0,
        "easting": 452541.0309,
        "northing": 6510480.2401,
        "existing_z": 176.0778,
        "design_z": 176.4908,
        "delta_z": 0.4131
      },
      {
        "ch": 132.6457,
        "easting": 452542.9148,
        "northing": 6510478.3825,
        "existing_z": 175.9702,
        "design_z": 176.3781,
        "delta_z": 0.4078
      },
      {
        "ch": 140.0,
        "easting": 452548.1515,
        "northing": 6510473.2189,
        "existing_z": 175.662,
        "design_z": 176.0751,
        "delta_z": 0.4132
      },
      {
        "ch": 150.0,
        "easting": 452555.2721,
        "northing": 6510466.1977,
        "existing_z": 175.3328,
        "design_z": 175.6973,
        "delta_z": 0.3645
      },
      {
        "ch": 152.6457,
        "easting": 452557.156,
        "northing": 6510464.3402,
        "existing_z": 175.2614,
        "design_z": 175.6039,
        "delta_z": 0.3425
      },
      {
        "ch": 160.0,
        "easting": 452562.3927,
        "northing": 6510459.1766,
        "existing_z": 175.0597,
        "design_z": 175.3587,
        "delta_z": 0.299
      },
      {
        "ch": 170.0,
        "easting": 452569.5133,
        "northing": 6510452.1554,
        "existing_z": 174.7775,
        "design_z": 175.0594,
        "delta_z": 0.2818
      },
      {
        "ch": 172.6457,
        "easting": 452571.3972,
        "northing": 6510450.2978,
        "existing_z": 174.7071,
        "design_z": 174.9867,
        "delta_z": 0.2796
      },
      {
        "ch": 180.0,
        "easting": 452576.6339,
        "northing": 6510445.1342,
        "existing_z": 174.5506,
        "design_z": 174.7887,
        "delta_z": 0.2381
      },
      {
        "ch": 190.0,
        "easting": 452583.7546,
        "northing": 6510438.113,
        "existing_z": 174.3108,
        "design_z": 174.5193,
        "delta_z": 0.2085
      },
      {
        "ch": 200.0,
        "easting": 452590.8752,
        "northing": 6510431.0918,
        "existing_z": 174.04,
        "design_z": 174.25,
        "delta_z": 0.21
      },
      {
        "ch": 210.0,
        "easting": 452597.9958,
        "northing": 6510424.0707,
        "existing_z": 173.8229,
        "design_z": 173.9807,
        "delta_z": 0.1578
      },
      {
        "ch": 220.0,
        "easting": 452605.1164,
        "northing": 6510417.0495,
        "existing_z": 173.6237,
        "design_z": 173.7114,
        "delta_z": 0.0877
      },
      {
        "ch": 228.9685,
        "easting": 452611.5025,
        "northing": 6510410.7525,
        "existing_z": 173.4698,
        "design_z": 173.4698,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD158",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 175.985,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 9.42,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451068.91000000015,
          6510429.74
        ],
        "end": [
          451193.35,
          6510554.18
        ],
        "chainage_start": 0,
        "length": 175.98473570121735
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 58.661578567072446,
        "pvi_z": 158.96984572237687,
        "bvc": 38.661578567072446,
        "evc": 78.66157856707244,
        "length": 40.0,
        "g1": 0.09422316854443911,
        "g2": 0.07592438757744271,
        "z_bvc": 157.08538235148808,
        "K_m_per_percent": 21.859379634164604
      },
      {
        "pvi_ch": 117.32315713414489,
        "pvi_z": 163.4236901494079,
        "bvc": 97.32315713414489,
        "evc": 137.32315713414488,
        "length": 40.0,
        "g1": 0.07592438757744271,
        "g2": 0.08720973347133405,
        "z_bvc": 161.90520239785903,
        "K_m_per_percent": 35.444194955204395
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451068.91,
        "northing": 6510429.74,
        "existing_z": 153.4426,
        "design_z": 153.4426,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451075.9811,
        "northing": 6510436.8111,
        "existing_z": 154.3984,
        "design_z": 154.3848,
        "delta_z": -0.0136
      },
      {
        "ch": 20.0,
        "easting": 451083.0521,
        "northing": 6510443.8821,
        "existing_z": 155.4046,
        "design_z": 155.327,
        "delta_z": -0.0776
      },
      {
        "ch": 30.0,
        "easting": 451090.1232,
        "northing": 6510450.9532,
        "existing_z": 156.4722,
        "design_z": 156.2693,
        "delta_z": -0.203
      },
      {
        "ch": 38.6616,
        "easting": 451096.2479,
        "northing": 6510457.0779,
        "existing_z": 157.2923,
        "design_z": 157.0854,
        "delta_z": -0.2069
      },
      {
        "ch": 40.0,
        "easting": 451097.1943,
        "northing": 6510458.0243,
        "existing_z": 157.4217,
        "design_z": 157.2111,
        "delta_z": -0.2106
      },
      {
        "ch": 50.0,
        "easting": 451104.2653,
        "northing": 6510465.0953,
        "existing_z": 158.412,
        "design_z": 158.1243,
        "delta_z": -0.2877
      },
      {
        "ch": 58.6616,
        "easting": 451110.39,
        "northing": 6510471.22,
        "existing_z": 159.2775,
        "design_z": 158.8784,
        "delta_z": -0.3991
      },
      {
        "ch": 60.0,
        "easting": 451111.3364,
        "northing": 6510472.1664,
        "existing_z": 159.3787,
        "design_z": 158.9918,
        "delta_z": -0.3869
      },
      {
        "ch": 70.0,
        "easting": 451118.4075,
        "northing": 6510479.2375,
        "existing_z": 160.1395,
        "design_z": 159.8135,
        "delta_z": -0.3259
      },
      {
        "ch": 78.6616,
        "easting": 451124.5321,
        "northing": 6510485.3621,
        "existing_z": 160.805,
        "design_z": 160.4883,
        "delta_z": -0.3166
      },
      {
        "ch": 80.0,
        "easting": 451125.4785,
        "northing": 6510486.3085,
        "existing_z": 160.9084,
        "design_z": 160.59,
        "delta_z": -0.3184
      },
      {
        "ch": 90.0,
        "easting": 451132.5496,
        "northing": 6510493.3796,
        "existing_z": 161.5967,
        "design_z": 161.3492,
        "delta_z": -0.2475
      },
      {
        "ch": 97.3232,
        "easting": 451137.7279,
        "northing": 6510498.5579,
        "existing_z": 162.0182,
        "design_z": 161.9052,
        "delta_z": -0.113
      },
      {
        "ch": 100.0,
        "easting": 451139.6207,
        "northing": 6510500.4507,
        "existing_z": 162.1741,
        "design_z": 162.1095,
        "delta_z": -0.0647
      },
      {
        "ch": 110.0,
        "easting": 451146.6917,
        "northing": 6510507.5217,
        "existing_z": 162.7652,
        "design_z": 162.8904,
        "delta_z": 0.1252
      },
      {
        "ch": 117.3232,
        "easting": 451151.87,
        "northing": 6510512.7,
        "existing_z": 163.2007,
        "design_z": 163.4801,
        "delta_z": 0.2794
      },
      {
        "ch": 120.0,
        "easting": 451153.7628,
        "northing": 6510514.5928,
        "existing_z": 163.3644,
        "design_z": 163.6995,
        "delta_z": 0.3351
      },
      {
        "ch": 130.0,
        "easting": 451160.8339,
        "northing": 6510521.6639,
        "existing_z": 164.0065,
        "design_z": 164.5368,
        "delta_z": 0.5303
      },
      {
        "ch": 137.3232,
        "easting": 451166.0121,
        "northing": 6510526.8421,
        "existing_z": 164.5074,
        "design_z": 165.1679,
        "delta_z": 0.6605
      },
      {
        "ch": 140.0,
        "easting": 451167.9049,
        "northing": 6510528.7349,
        "existing_z": 164.697,
        "design_z": 165.4013,
        "delta_z": 0.7043
      },
      {
        "ch": 150.0,
        "easting": 451174.976,
        "northing": 6510535.806,
        "existing_z": 165.5683,
        "design_z": 166.2734,
        "delta_z": 0.7052
      },
      {
        "ch": 160.0,
        "easting": 451182.0471,
        "northing": 6510542.8771,
        "existing_z": 166.5647,
        "design_z": 167.1455,
        "delta_z": 0.5808
      },
      {
        "ch": 170.0,
        "easting": 451189.1182,
        "northing": 6510549.9482,
        "existing_z": 167.6441,
        "design_z": 168.0176,
        "delta_z": 0.3736
      },
      {
        "ch": 175.9847,
        "easting": 451193.35,
        "northing": 6510554.18,
        "existing_z": 168.5396,
        "design_z": 168.5396,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD159",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 638.705,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 21.65,
    "radius_review_count": 6,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450030.0,
          6510610.0
        ],
        "end": [
          450056.8198051534,
          6510636.819805154
        ],
        "chainage_start": 0,
        "length": 37.928932188324765
      },
      {
        "type": "ARC",
        "centre": [
          450088.6396103068,
          6510605.0
        ],
        "radius": 45.0,
        "start_angle_rad": 2.3561944901886864,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450056.8198051534,
          6510636.819805154
        ],
        "end": [
          450088.63961030677,
          6510650.0
        ],
        "chainage_start": 37.928932188324765,
        "length": 35.34291735288518,
        "target_radius": 45,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          450088.639610307,
          6510650.0
        ],
        "end": [
          450125.0444111188,
          6510650.0
        ],
        "chainage_start": 73.27184954120995,
        "length": 36.40480081178248
      },
      {
        "type": "ARC",
        "centre": [
          450125.0444111188,
          6510647.317049624
        ],
        "radius": 2.6829503760658984,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -2.149161240982451,
        "start": [
          450125.0444111188,
          6510650.0
        ],
        "end": [
          450127.29099999997,
          6510645.8504
        ],
        "chainage_start": 109.67665035299243,
        "length": 5.766092959720121,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450127.29099999997,
          6510645.850400001
        ],
        "end": [
          450126.259,
          6510644.2696
        ],
        "chainage_start": 115.44274331271255,
        "length": 1.8878433837904143
      },
      {
        "type": "ARC",
        "centre": [
          450131.3705177169,
          6510640.932627401
        ],
        "radius": 6.104342675029438,
        "start_angle_rad": 2.5632277393621776,
        "sweep_rad": 1.363806016309704,
        "start": [
          450126.259,
          6510644.2696
        ],
        "end": [
          450127.05428096233,
          6510636.616019963
        ],
        "chainage_start": 117.33058669650296,
        "length": 8.32513926582122,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450127.0542809622,
          6510636.616019963
        ],
        "end": [
          450236.4865999859,
          6510527.193098305
        ],
        "chainage_start": 125.65572596232418,
        "length": 154.75402492725897
      },
      {
        "type": "ARC",
        "centre": [
          450240.8802667816,
          6510531.587142434
        ],
        "radius": 6.213849991553877,
        "start_angle_rad": -2.3561515514232876,
        "sweep_rad": 1.348972419068892,
        "start": [
          450236.4865999859,
          6510527.193098305
        ],
        "end": [
          450244.2,
          6510526.3344
        ],
        "chainage_start": 280.40975088958317,
        "length": 8.382312254837649,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450244.2000000002,
          6510526.3344
        ],
        "end": [
          450245.8,
          6510527.3456
        ],
        "chainage_start": 288.7920631444208,
        "length": 1.892756043064994
      },
      {
        "type": "ARC",
        "centre": [
          450249.11958709673,
          6510522.093088771
        ],
        "radius": 6.21357648234516,
        "start_angle_rad": 2.13441352122087,
        "sweep_rad": -1.3490153577935935,
        "start": [
          450245.8,
          6510527.3456
        ],
        "end": [
          450253.5132491629,
          6510526.486750837
        ],
        "chainage_start": 290.6848191874858,
        "length": 8.382210101508715,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450253.5132491627,
          6510526.486750837
        ],
        "end": [
          450306.4867508371,
          6510473.513249163
        ],
        "chainage_start": 299.0670292889945,
        "length": 74.91584451465162
      },
      {
        "type": "ARC",
        "centre": [
          450303.67749525607,
          6510470.703993581
        ],
        "radius": 3.9728873428701155,
        "start_angle_rad": 0.7853981634492482,
        "sweep_rad": -1.7925772957961996,
        "start": [
          450306.4867508371,
          6510473.513249163
        ],
        "end": [
          450305.8,
          6510467.3456
        ],
        "chainage_start": 373.9828738036461,
        "length": 7.12170764958506,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450305.8000000001,
          6510467.3456
        ],
        "end": [
          450304.2,
          6510466.3344
        ],
        "chainage_start": 381.10458145323116,
        "length": 1.8927560433110167
      },
      {
        "type": "ARC",
        "centre": [
          450306.32250474393,
          6510462.9760064185
        ],
        "radius": 3.9728873428701146,
        "start_angle_rad": 2.1344135212465334,
        "sweep_rad": 1.7925772957961998,
        "start": [
          450304.2,
          6510466.3344
        ],
        "end": [
          450303.5132491629,
          6510460.166750837
        ],
        "chainage_start": 382.9973374965422,
        "length": 7.12170764958506,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450303.51324916305,
          6510460.166750837
        ],
        "end": [
          450479.29000000004,
          6510284.39
        ],
        "chainage_start": 390.11904514612723,
        "length": 248.58586498387265
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 79.83811376624999,
        "pvi_z": 211.57395748525101,
        "bvc": 59.83811376624999,
        "evc": 99.83811376624999,
        "length": 40.0,
        "g1": 0.058342906875979775,
        "g2": 0.055514813621780505,
        "z_bvc": 210.40709934773142,
        "K_m_per_percent": 141.43805173540989
      },
      {
        "pvi_ch": 159.67622753249998,
        "pvi_z": 216.0061554908989,
        "bvc": 135.4664032052999,
        "evc": 183.88605185970005,
        "length": 48.419648654400156,
        "g1": 0.055514813621780505,
        "g2": -0.025184600802219757,
        "z_bvc": 214.66215160555834,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 239.51434129874997,
        "pvi_z": 213.99546446689368,
        "bvc": 203.58719010393747,
        "evc": 275.44149249356246,
        "length": 71.85430238962499,
        "g1": -0.025184600802219757,
        "g2": -0.19420512362262635,
        "z_bvc": 214.90027542769602,
        "K_m_per_percent": 4.251217614914969
      },
      {
        "pvi_ch": 319.35245506499996,
        "pvi_z": 198.4904937131218,
        "bvc": 299.35245506499996,
        "evc": 339.35245506499996,
        "length": 40.0,
        "g1": -0.19420512362262635,
        "g2": -0.2164758081849317,
        "z_bvc": 202.37459618557432,
        "K_m_per_percent": 17.96083092465991
      },
      {
        "pvi_ch": 399.19056883124995,
        "pvi_z": 181.2074735116123,
        "bvc": 379.19056883124995,
        "evc": 419.19056883124995,
        "length": 40.0,
        "g1": -0.2164758081849317,
        "g2": -0.17727372236951006,
        "z_bvc": 185.53698967531093,
        "K_m_per_percent": 10.203538706673731
      },
      {
        "pvi_ch": 479.02868259749994,
        "pvi_z": 167.05427389730875,
        "bvc": 459.02868259749994,
        "evc": 499.02868259749994,
        "length": 40.0,
        "g1": -0.17727372236951006,
        "g2": -0.14336934278191618,
        "z_bvc": 170.59974834469895,
        "K_m_per_percent": 11.797885844410676
      },
      {
        "pvi_ch": 558.8667963637499,
        "pvi_z": 155.60793599769363,
        "bvc": 538.8667963637499,
        "evc": 578.8667963637499,
        "length": 40.0,
        "g1": -0.14336934278191618,
        "g2": -0.1299467750108473,
        "z_bvc": 158.47532285333196,
        "K_m_per_percent": 29.800557301872132
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450030.0,
        "northing": 6510610.0,
        "existing_z": 206.916,
        "design_z": 206.916,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450037.0711,
        "northing": 6510617.0711,
        "existing_z": 206.2695,
        "design_z": 207.4994,
        "delta_z": 1.2299
      },
      {
        "ch": 20.0,
        "easting": 450044.1421,
        "northing": 6510624.1421,
        "existing_z": 205.9308,
        "design_z": 208.0828,
        "delta_z": 2.1521
      },
      {
        "ch": 30.0,
        "easting": 450051.2132,
        "northing": 6510631.2132,
        "existing_z": 205.97,
        "design_z": 208.6663,
        "delta_z": 2.6963
      },
      {
        "ch": 40.0,
        "easting": 450058.3174,
        "northing": 6510638.2501,
        "existing_z": 206.5554,
        "design_z": 209.2497,
        "delta_z": 2.6943
      },
      {
        "ch": 50.0,
        "easting": 450066.3913,
        "northing": 6510644.1154,
        "existing_z": 207.3603,
        "design_z": 209.8331,
        "delta_z": 2.4728
      },
      {
        "ch": 59.8381,
        "easting": 450075.4045,
        "northing": 6510648.0097,
        "existing_z": 208.5205,
        "design_z": 210.4071,
        "delta_z": 1.8866
      },
      {
        "ch": 60.0,
        "easting": 450075.5593,
        "northing": 6510648.057,
        "existing_z": 208.5427,
        "design_z": 210.4165,
        "delta_z": 1.8739
      },
      {
        "ch": 70.0,
        "easting": 450085.3706,
        "northing": 6510649.8811,
        "existing_z": 209.9428,
        "design_z": 210.9963,
        "delta_z": 1.0535
      },
      {
        "ch": 79.8381,
        "easting": 450095.2059,
        "northing": 6510650.0,
        "existing_z": 211.3946,
        "design_z": 211.5598,
        "delta_z": 0.1652
      },
      {
        "ch": 80.0,
        "easting": 450095.3678,
        "northing": 6510650.0,
        "existing_z": 211.4196,
        "design_z": 211.569,
        "delta_z": 0.1494
      },
      {
        "ch": 90.0,
        "easting": 450105.3678,
        "northing": 6510650.0,
        "existing_z": 212.963,
        "design_z": 212.1347,
        "delta_z": -0.8284
      },
      {
        "ch": 99.8381,
        "easting": 450115.2059,
        "northing": 6510650.0,
        "existing_z": 214.4559,
        "design_z": 212.6843,
        "delta_z": -1.7716
      },
      {
        "ch": 100.0,
        "easting": 450115.3678,
        "northing": 6510650.0,
        "existing_z": 214.48,
        "design_z": 212.6932,
        "delta_z": -1.7868
      },
      {
        "ch": 110.0,
        "easting": 450125.367,
        "northing": 6510649.9805,
        "existing_z": 215.9731,
        "design_z": 213.2484,
        "delta_z": -2.7248
      },
      {
        "ch": 120.0,
        "easting": 450125.3268,
        "northing": 6510641.7909,
        "existing_z": 215.5484,
        "design_z": 213.8035,
        "delta_z": -1.7449
      },
      {
        "ch": 130.0,
        "easting": 450130.1263,
        "northing": 6510633.5443,
        "existing_z": 215.8046,
        "design_z": 214.3587,
        "delta_z": -1.4459
      },
      {
        "ch": 135.4664,
        "easting": 450133.9918,
        "northing": 6510629.6791,
        "existing_z": 216.1146,
        "design_z": 214.6622,
        "delta_z": -1.4525
      },
      {
        "ch": 140.0,
        "easting": 450137.1976,
        "northing": 6510626.4735,
        "existing_z": 216.281,
        "design_z": 214.8967,
        "delta_z": -1.3843
      },
      {
        "ch": 150.0,
        "easting": 450144.269,
        "northing": 6510619.4028,
        "existing_z": 216.6283,
        "design_z": 215.293,
        "delta_z": -1.3353
      },
      {
        "ch": 159.6762,
        "easting": 450151.1114,
        "northing": 6510612.5609,
        "existing_z": 216.9344,
        "design_z": 215.5177,
        "delta_z": -1.4167
      },
      {
        "ch": 160.0,
        "easting": 450151.3404,
        "northing": 6510612.332,
        "existing_z": 216.9434,
        "design_z": 215.5225,
        "delta_z": -1.4209
      },
      {
        "ch": 170.0,
        "easting": 450158.4118,
        "northing": 6510605.2612,
        "existing_z": 217.0737,
        "design_z": 215.5855,
        "delta_z": -1.4882
      },
      {
        "ch": 180.0,
        "easting": 450165.4831,
        "northing": 6510598.1905,
        "existing_z": 217.198,
        "design_z": 215.4817,
        "delta_z": -1.7163
      },
      {
        "ch": 183.8861,
        "easting": 450168.2311,
        "northing": 6510595.4427,
        "existing_z": 217.2664,
        "design_z": 215.3964,
        "delta_z": -1.8699
      },
      {
        "ch": 190.0,
        "easting": 450172.5545,
        "northing": 6510591.1197,
        "existing_z": 217.3342,
        "design_z": 215.2425,
        "delta_z": -2.0918
      },
      {
        "ch": 200.0,
        "easting": 450179.6259,
        "northing": 6510584.0489,
        "existing_z": 217.349,
        "design_z": 214.9906,
        "delta_z": -2.3584
      },
      {
        "ch": 203.5872,
        "easting": 450182.1625,
        "northing": 6510581.5125,
        "existing_z": 217.3929,
        "design_z": 214.9003,
        "delta_z": -2.4927
      },
      {
        "ch": 210.0,
        "easting": 450186.6972,
        "northing": 6510576.9782,
        "existing_z": 217.5354,
        "design_z": 214.6904,
        "delta_z": -2.845
      },
      {
        "ch": 220.0,
        "easting": 450193.7686,
        "northing": 6510569.9074,
        "existing_z": 217.571,
        "design_z": 214.1701,
        "delta_z": -3.4009
      },
      {
        "ch": 230.0,
        "easting": 450200.84,
        "northing": 6510562.8366,
        "existing_z": 217.3678,
        "design_z": 213.4146,
        "delta_z": -3.9532
      },
      {
        "ch": 239.5143,
        "easting": 450207.5679,
        "northing": 6510556.1093,
        "existing_z": 217.31,
        "design_z": 212.4774,
        "delta_z": -4.8327
      },
      {
        "ch": 240.0,
        "easting": 450207.9114,
        "northing": 6510555.7659,
        "existing_z": 217.3106,
        "design_z": 212.4238,
        "delta_z": -4.8868
      },
      {
        "ch": 250.0,
        "easting": 450214.9827,
        "northing": 6510548.6951,
        "existing_z": 216.4347,
        "design_z": 211.1978,
        "delta_z": -5.2369
      },
      {
        "ch": 260.0,
        "easting": 450222.0541,
        "northing": 6510541.6244,
        "existing_z": 214.9729,
        "design_z": 209.7366,
        "delta_z": -5.2363
      },
      {
        "ch": 270.0,
        "easting": 450229.1255,
        "northing": 6510534.5536,
        "existing_z": 213.5303,
        "design_z": 208.0402,
        "delta_z": -5.4901
      },
      {
        "ch": 275.4415,
        "easting": 450232.9734,
        "northing": 6510530.706,
        "existing_z": 212.207,
        "design_z": 207.0182,
        "delta_z": -5.1888
      },
      {
        "ch": 280.0,
        "easting": 450236.1968,
        "northing": 6510527.4828,
        "existing_z": 210.8926,
        "design_z": 206.1329,
        "delta_z": -4.7597
      },
      {
        "ch": 290.0,
        "easting": 450245.2211,
        "northing": 6510526.9797,
        "existing_z": 208.4358,
        "design_z": 204.1909,
        "delta_z": -4.2449
      },
      {
        "ch": 299.3525,
        "easting": 450253.7151,
        "northing": 6510526.2849,
        "existing_z": 205.6279,
        "design_z": 202.3746,
        "delta_z": -3.2533
      },
      {
        "ch": 300.0,
        "easting": 450254.173,
        "northing": 6510525.827,
        "existing_z": 205.389,
        "design_z": 202.2487,
        "delta_z": -3.1402
      },
      {
        "ch": 310.0,
        "easting": 450261.244,
        "northing": 6510518.756,
        "existing_z": 201.7199,
        "design_z": 200.2752,
        "delta_z": -1.4446
      },
      {
        "ch": 319.3525,
        "easting": 450267.8572,
        "northing": 6510512.1428,
        "existing_z": 198.3226,
        "design_z": 198.3791,
        "delta_z": 0.0565
      },
      {
        "ch": 320.0,
        "easting": 450268.3151,
        "northing": 6510511.6849,
        "existing_z": 198.0886,
        "design_z": 198.2461,
        "delta_z": 0.1574
      },
      {
        "ch": 330.0,
        "easting": 450275.3862,
        "northing": 6510504.6138,
        "existing_z": 194.4518,
        "design_z": 196.1612,
        "delta_z": 1.7095
      },
      {
        "ch": 339.3525,
        "easting": 450281.9993,
        "northing": 6510498.0007,
        "existing_z": 191.187,
        "design_z": 194.161,
        "delta_z": 2.974
      },
      {
        "ch": 340.0,
        "easting": 450282.4572,
        "northing": 6510497.5428,
        "existing_z": 190.9669,
        "design_z": 194.0208,
        "delta_z": 3.0539
      },
      {
        "ch": 350.0,
        "easting": 450289.5283,
        "northing": 6510490.4717,
        "existing_z": 187.6649,
        "design_z": 191.856,
        "delta_z": 4.1912
      },
      {
        "ch": 360.0,
        "easting": 450296.5994,
        "northing": 6510483.4006,
        "existing_z": 185.2835,
        "design_z": 189.6913,
        "delta_z": 4.4078
      },
      {
        "ch": 370.0,
        "easting": 450303.6704,
        "northing": 6510476.3296,
        "existing_z": 183.0786,
        "design_z": 187.5265,
        "delta_z": 4.4479
      },
      {
        "ch": 379.1906,
        "easting": 450307.1145,
        "northing": 6510468.7113,
        "existing_z": 181.9162,
        "design_z": 185.537,
        "delta_z": 3.6208
      },
      {
        "ch": 380.0,
        "easting": 450306.6402,
        "northing": 6510468.0571,
        "existing_z": 182.0119,
        "design_z": 185.3621,
        "delta_z": 3.3502
      },
      {
        "ch": 390.0,
        "easting": 450303.4303,
        "northing": 6510460.2522,
        "existing_z": 182.4799,
        "design_z": 183.2543,
        "delta_z": 0.7744
      },
      {
        "ch": 399.1906,
        "easting": 450309.9278,
        "northing": 6510453.7522,
        "existing_z": 180.5534,
        "design_z": 181.4035,
        "delta_z": 0.85
      },
      {
        "ch": 400.0,
        "easting": 450310.5001,
        "northing": 6510453.1799,
        "existing_z": 180.4124,
        "design_z": 181.2444,
        "delta_z": 0.832
      },
      {
        "ch": 410.0,
        "easting": 450317.5712,
        "northing": 6510446.1088,
        "existing_z": 178.6121,
        "design_z": 179.3326,
        "delta_z": 0.7205
      },
      {
        "ch": 419.1906,
        "easting": 450324.0699,
        "northing": 6510439.6101,
        "existing_z": 176.9121,
        "design_z": 177.662,
        "delta_z": 0.7499
      },
      {
        "ch": 420.0,
        "easting": 450324.6423,
        "northing": 6510439.0377,
        "existing_z": 176.7646,
        "design_z": 177.5185,
        "delta_z": 0.7539
      },
      {
        "ch": 430.0,
        "easting": 450331.7133,
        "northing": 6510431.9667,
        "existing_z": 175.0135,
        "design_z": 175.7458,
        "delta_z": 0.7323
      },
      {
        "ch": 440.0,
        "easting": 450338.7844,
        "northing": 6510424.8956,
        "existing_z": 173.3285,
        "design_z": 173.973,
        "delta_z": 0.6445
      },
      {
        "ch": 450.0,
        "easting": 450345.8555,
        "northing": 6510417.8245,
        "existing_z": 171.619,
        "design_z": 172.2003,
        "delta_z": 0.5813
      },
      {
        "ch": 459.0287,
        "easting": 450352.2397,
        "northing": 6510411.4403,
        "existing_z": 170.0991,
        "design_z": 170.5997,
        "delta_z": 0.5007
      },
      {
        "ch": 460.0,
        "easting": 450352.9265,
        "northing": 6510410.7535,
        "existing_z": 169.9385,
        "design_z": 170.428,
        "delta_z": 0.4895
      },
      {
        "ch": 470.0,
        "easting": 450359.9976,
        "northing": 6510403.6824,
        "existing_z": 168.1578,
        "design_z": 168.7058,
        "delta_z": 0.548
      },
      {
        "ch": 479.0287,
        "easting": 450366.3819,
        "northing": 6510397.2981,
        "existing_z": 166.5555,
        "design_z": 167.2238,
        "delta_z": 0.6683
      },
      {
        "ch": 480.0,
        "easting": 450367.0687,
        "northing": 6510396.6113,
        "existing_z": 166.3843,
        "design_z": 167.0685,
        "delta_z": 0.6841
      },
      {
        "ch": 490.0,
        "easting": 450374.1397,
        "northing": 6510389.5403,
        "existing_z": 164.6671,
        "design_z": 165.5159,
        "delta_z": 0.8488
      },
      {
        "ch": 499.0287,
        "easting": 450380.524,
        "northing": 6510383.156,
        "existing_z": 163.1627,
        "design_z": 164.1869,
        "delta_z": 1.0242
      },
      {
        "ch": 500.0,
        "easting": 450381.2108,
        "northing": 6510382.4692,
        "existing_z": 163.0055,
        "design_z": 164.0476,
        "delta_z": 1.0422
      },
      {
        "ch": 510.0,
        "easting": 450388.2819,
        "northing": 6510375.3981,
        "existing_z": 161.4383,
        "design_z": 162.6139,
        "delta_z": 1.1757
      },
      {
        "ch": 520.0,
        "easting": 450395.353,
        "northing": 6510368.327,
        "existing_z": 160.0353,
        "design_z": 161.1802,
        "delta_z": 1.1449
      },
      {
        "ch": 530.0,
        "easting": 450402.424,
        "northing": 6510361.256,
        "existing_z": 158.7852,
        "design_z": 159.7465,
        "delta_z": 0.9614
      },
      {
        "ch": 538.8668,
        "easting": 450408.6938,
        "northing": 6510354.9862,
        "existing_z": 157.7621,
        "design_z": 158.4753,
        "delta_z": 0.7132
      },
      {
        "ch": 540.0,
        "easting": 450409.4951,
        "northing": 6510354.1849,
        "existing_z": 157.6371,
        "design_z": 158.3131,
        "delta_z": 0.6759
      },
      {
        "ch": 550.0,
        "easting": 450416.5662,
        "northing": 6510347.1138,
        "existing_z": 156.4629,
        "design_z": 156.9,
        "delta_z": 0.4371
      },
      {
        "ch": 558.8668,
        "easting": 450422.8359,
        "northing": 6510340.8441,
        "existing_z": 155.4088,
        "design_z": 155.675,
        "delta_z": 0.2663
      },
      {
        "ch": 560.0,
        "easting": 450423.6372,
        "northing": 6510340.0428,
        "existing_z": 155.276,
        "design_z": 155.5204,
        "delta_z": 0.2444
      },
      {
        "ch": 570.0,
        "easting": 450430.7083,
        "northing": 6510332.9717,
        "existing_z": 154.109,
        "design_z": 154.1744,
        "delta_z": 0.0654
      },
      {
        "ch": 578.8668,
        "easting": 450436.9781,
        "northing": 6510326.7019,
        "existing_z": 152.8846,
        "design_z": 153.009,
        "delta_z": 0.1244
      },
      {
        "ch": 580.0,
        "easting": 450437.7794,
        "northing": 6510325.9006,
        "existing_z": 152.7198,
        "design_z": 152.8617,
        "delta_z": 0.1419
      },
      {
        "ch": 590.0,
        "easting": 450444.8504,
        "northing": 6510318.8296,
        "existing_z": 151.2835,
        "design_z": 151.5623,
        "delta_z": 0.2788
      },
      {
        "ch": 600.0,
        "easting": 450451.9215,
        "northing": 6510311.7585,
        "existing_z": 149.8923,
        "design_z": 150.2628,
        "delta_z": 0.3705
      },
      {
        "ch": 610.0,
        "easting": 450458.9926,
        "northing": 6510304.6874,
        "existing_z": 148.5486,
        "design_z": 148.9633,
        "delta_z": 0.4147
      },
      {
        "ch": 620.0,
        "easting": 450466.0636,
        "northing": 6510297.6164,
        "existing_z": 147.2489,
        "design_z": 147.6639,
        "delta_z": 0.415
      },
      {
        "ch": 630.0,
        "easting": 450473.1347,
        "northing": 6510290.5453,
        "existing_z": 146.0817,
        "design_z": 146.3644,
        "delta_z": 0.2827
      },
      {
        "ch": 638.7049,
        "easting": 450479.29,
        "northing": 6510284.39,
        "existing_z": 145.2332,
        "design_z": 145.2332,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD160",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 137.716,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.77,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452326.65,
          6510554.18
        ],
        "end": [
          452424.03000000096,
          6510456.799999999
        ],
        "chainage_start": 0,
        "length": 137.71611670513335
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 68.85805835256667,
        "pvi_z": 191.96428064863608,
        "bvc": 48.85805835256667,
        "evc": 88.85805835256667,
        "length": 40.0,
        "g1": -0.06765442875929424,
        "g2": -0.06375390841583418,
        "z_bvc": 193.31736922382197,
        "K_m_per_percent": 102.55042014347495
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452326.65,
        "northing": 6510554.18,
        "existing_z": 196.6228,
        "design_z": 196.6228,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452333.7211,
        "northing": 6510547.1089,
        "existing_z": 195.9154,
        "design_z": 195.9463,
        "delta_z": 0.0309
      },
      {
        "ch": 20.0,
        "easting": 452340.7921,
        "northing": 6510540.0379,
        "existing_z": 195.1849,
        "design_z": 195.2697,
        "delta_z": 0.0848
      },
      {
        "ch": 30.0,
        "easting": 452347.8632,
        "northing": 6510532.9668,
        "existing_z": 194.465,
        "design_z": 194.5932,
        "delta_z": 0.1282
      },
      {
        "ch": 40.0,
        "easting": 452354.9343,
        "northing": 6510525.8957,
        "existing_z": 193.7603,
        "design_z": 193.9167,
        "delta_z": 0.1564
      },
      {
        "ch": 48.8581,
        "easting": 452361.1979,
        "northing": 6510519.6321,
        "existing_z": 193.1628,
        "design_z": 193.3174,
        "delta_z": 0.1546
      },
      {
        "ch": 50.0,
        "easting": 452362.0053,
        "northing": 6510518.8247,
        "existing_z": 193.0879,
        "design_z": 193.2402,
        "delta_z": 0.1523
      },
      {
        "ch": 60.0,
        "easting": 452369.0764,
        "northing": 6510511.7536,
        "existing_z": 192.4523,
        "design_z": 192.5696,
        "delta_z": 0.1174
      },
      {
        "ch": 68.8581,
        "easting": 452375.34,
        "northing": 6510505.49,
        "existing_z": 191.8963,
        "design_z": 191.9838,
        "delta_z": 0.0875
      },
      {
        "ch": 70.0,
        "easting": 452376.1475,
        "northing": 6510504.6825,
        "existing_z": 191.8243,
        "design_z": 191.9088,
        "delta_z": 0.0845
      },
      {
        "ch": 80.0,
        "easting": 452383.2185,
        "northing": 6510497.6115,
        "existing_z": 191.2012,
        "design_z": 191.2578,
        "delta_z": 0.0566
      },
      {
        "ch": 88.8581,
        "easting": 452389.4821,
        "northing": 6510491.3479,
        "existing_z": 190.6597,
        "design_z": 190.6892,
        "delta_z": 0.0295
      },
      {
        "ch": 90.0,
        "easting": 452390.2896,
        "northing": 6510490.5404,
        "existing_z": 190.5912,
        "design_z": 190.6164,
        "delta_z": 0.0252
      },
      {
        "ch": 100.0,
        "easting": 452397.3607,
        "northing": 6510483.4693,
        "existing_z": 189.922,
        "design_z": 189.9789,
        "delta_z": 0.0568
      },
      {
        "ch": 110.0,
        "easting": 452404.4317,
        "northing": 6510476.3983,
        "existing_z": 189.2677,
        "design_z": 189.3413,
        "delta_z": 0.0737
      },
      {
        "ch": 120.0,
        "easting": 452411.5028,
        "northing": 6510469.3272,
        "existing_z": 188.6412,
        "design_z": 188.7038,
        "delta_z": 0.0626
      },
      {
        "ch": 130.0,
        "easting": 452418.5739,
        "northing": 6510462.2561,
        "existing_z": 188.0296,
        "design_z": 188.0662,
        "delta_z": 0.0366
      },
      {
        "ch": 137.7161,
        "easting": 452424.03,
        "northing": 6510456.8,
        "existing_z": 187.5743,
        "design_z": 187.5743,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD161",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 677.933,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.35,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451534.50135558395,
          6510553.522347871
        ],
        "end": [
          451563.50056934525,
          6510603.748986106
        ],
        "chainage_start": 0,
        "length": 57.9971515436614
      },
      {
        "type": "ARC",
        "centre": [
          451599.87215204636,
          6510582.749227041
        ],
        "radius": 41.99859413097838,
        "start_angle_rad": 2.6179811758263214,
        "sweep_rad": -1.5707806878991026,
        "start": [
          451563.50056934525,
          6510603.748986106
        ],
        "end": [
          451620.8713422976,
          6510619.121138151
        ],
        "chainage_start": 57.9971515436614,
        "length": 65.97058057985343,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451620.8713422974,
          6510619.121138151
        ],
        "end": [
          452100.62,
          6510342.14
        ],
        "chainage_start": 123.96773212351484,
        "length": 553.9650940798817
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 75.32586957815516,
        "pvi_z": 160.9492676573395,
        "bvc": 55.325869578155164,
        "evc": 95.32586957815516,
        "length": 40.0,
        "g1": 0.03175375691074793,
        "g2": 0.07222916516699057,
        "z_bvc": 160.31419251912453,
        "K_m_per_percent": 9.882543925626909
      },
      {
        "pvi_ch": 150.65173915631033,
        "pvi_z": 166.38999233244726,
        "bvc": 130.65173915631033,
        "evc": 170.65173915631033,
        "length": 40.0,
        "g1": 0.07222916516699057,
        "g2": 0.10632827331026164,
        "z_bvc": 164.94540902910745,
        "K_m_per_percent": 11.730512080238492
      },
      {
        "pvi_ch": 225.9776087344655,
        "pvi_z": 174.39926198028647,
        "bvc": 205.9776087344655,
        "evc": 245.9776087344655,
        "length": 40.0,
        "g1": 0.10632827331026164,
        "g2": 0.12115540305981116,
        "z_bvc": 172.27269651408125,
        "K_m_per_percent": 26.97757467268084
      },
      {
        "pvi_ch": 301.30347831262065,
        "pvi_z": 183.52539806985862,
        "bvc": 281.30347831262065,
        "evc": 321.30347831262065,
        "length": 40.0,
        "g1": 0.12115540305981116,
        "g2": 0.12352657729564107,
        "z_bvc": 181.1022900086624,
        "K_m_per_percent": 168.69279108880065
      },
      {
        "pvi_ch": 376.6293478907758,
        "pvi_z": 192.830144920666,
        "bvc": 356.6293478907758,
        "evc": 396.6293478907758,
        "length": 40.0,
        "g1": 0.12352657729564107,
        "g2": 0.08879965842439154,
        "z_bvc": 190.35961337475317,
        "K_m_per_percent": 11.518441975316176
      },
      {
        "pvi_ch": 451.955217468931,
        "pvi_z": 199.51905640972643,
        "bvc": 431.955217468931,
        "evc": 471.955217468931,
        "length": 40.0,
        "g1": 0.08879965842439154,
        "g2": 0.03373438295942134,
        "z_bvc": 197.7430632412386,
        "K_m_per_percent": 7.264106038195708
      },
      {
        "pvi_ch": 527.2810870470862,
        "pvi_z": 202.06012814082735,
        "bvc": 507.2810870470862,
        "evc": 547.2810870470862,
        "length": 40.0,
        "g1": 0.03373438295942134,
        "g2": 0.006219087700097921,
        "z_bvc": 201.3854404816389,
        "K_m_per_percent": 14.537368988052638
      },
      {
        "pvi_ch": 602.6069566252413,
        "pvi_z": 202.52858632982003,
        "bvc": 582.6069566252413,
        "evc": 622.6069566252413,
        "length": 40.0,
        "g1": 0.006219087700097921,
        "g2": 0.04474709855338445,
        "z_bvc": 202.40420457581808,
        "K_m_per_percent": 10.382056876052793
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451534.5014,
        "northing": 6510553.5223,
        "existing_z": 158.5574,
        "design_z": 158.5574,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451539.5015,
        "northing": 6510562.1825,
        "existing_z": 158.7053,
        "design_z": 158.8749,
        "delta_z": 0.1696
      },
      {
        "ch": 20.0,
        "easting": 451544.5016,
        "northing": 6510570.8427,
        "existing_z": 158.7101,
        "design_z": 159.1925,
        "delta_z": 0.4824
      },
      {
        "ch": 30.0,
        "easting": 451549.5017,
        "northing": 6510579.5029,
        "existing_z": 158.8037,
        "design_z": 159.51,
        "delta_z": 0.7063
      },
      {
        "ch": 40.0,
        "easting": 451554.5018,
        "northing": 6510588.1631,
        "existing_z": 159.0114,
        "design_z": 159.8275,
        "delta_z": 0.8162
      },
      {
        "ch": 50.0,
        "easting": 451559.5019,
        "northing": 6510596.8233,
        "existing_z": 159.4554,
        "design_z": 160.1451,
        "delta_z": 0.6896
      },
      {
        "ch": 55.3259,
        "easting": 451562.1649,
        "northing": 6510601.4356,
        "existing_z": 159.6675,
        "design_z": 160.3142,
        "delta_z": 0.6467
      },
      {
        "ch": 60.0,
        "easting": 451564.543,
        "northing": 6510605.459,
        "existing_z": 159.81,
        "design_z": 160.4737,
        "delta_z": 0.6637
      },
      {
        "ch": 70.0,
        "easting": 451570.896,
        "northing": 6510613.151,
        "existing_z": 160.0693,
        "design_z": 160.8891,
        "delta_z": 0.8198
      },
      {
        "ch": 75.3259,
        "easting": 451574.9736,
        "northing": 6510616.5715,
        "existing_z": 160.2636,
        "design_z": 161.1516,
        "delta_z": 0.888
      },
      {
        "ch": 80.0,
        "easting": 451578.8841,
        "northing": 6510619.1276,
        "existing_z": 160.386,
        "design_z": 161.4057,
        "delta_z": 1.0197
      },
      {
        "ch": 90.0,
        "easting": 451588.0564,
        "northing": 6510623.0515,
        "existing_z": 160.5197,
        "design_z": 162.0235,
        "delta_z": 1.5039
      },
      {
        "ch": 95.3259,
        "easting": 451593.2484,
        "northing": 6510624.2222,
        "existing_z": 160.7219,
        "design_z": 162.3939,
        "delta_z": 1.6719
      },
      {
        "ch": 100.0,
        "easting": 451597.8954,
        "northing": 6510624.7013,
        "existing_z": 160.9896,
        "design_z": 162.7315,
        "delta_z": 1.7419
      },
      {
        "ch": 110.0,
        "easting": 451607.846,
        "northing": 6510623.9839,
        "existing_z": 161.5915,
        "design_z": 163.4538,
        "delta_z": 1.8623
      },
      {
        "ch": 120.0,
        "easting": 451617.3466,
        "northing": 6510620.9399,
        "existing_z": 162.5155,
        "design_z": 164.176,
        "delta_z": 1.6606
      },
      {
        "ch": 130.0,
        "easting": 451626.0954,
        "northing": 6510616.105,
        "existing_z": 163.5783,
        "design_z": 164.8983,
        "delta_z": 1.32
      },
      {
        "ch": 130.6517,
        "easting": 451626.6599,
        "northing": 6510615.7792,
        "existing_z": 163.6503,
        "design_z": 164.9454,
        "delta_z": 1.2951
      },
      {
        "ch": 140.0,
        "easting": 451634.7557,
        "northing": 6510611.105,
        "existing_z": 164.7099,
        "design_z": 165.6579,
        "delta_z": 0.9479
      },
      {
        "ch": 150.0,
        "easting": 451643.416,
        "northing": 6510606.1051,
        "existing_z": 165.8484,
        "design_z": 166.5025,
        "delta_z": 0.6541
      },
      {
        "ch": 150.6517,
        "easting": 451643.9804,
        "northing": 6510605.7792,
        "existing_z": 165.9217,
        "design_z": 166.5605,
        "delta_z": 0.6388
      },
      {
        "ch": 160.0,
        "easting": 451652.0763,
        "northing": 6510601.1051,
        "existing_z": 166.9474,
        "design_z": 167.4323,
        "delta_z": 0.4849
      },
      {
        "ch": 170.0,
        "easting": 451660.7365,
        "northing": 6510596.1051,
        "existing_z": 167.9677,
        "design_z": 168.4474,
        "delta_z": 0.4797
      },
      {
        "ch": 170.6517,
        "easting": 451661.3009,
        "northing": 6510595.7793,
        "existing_z": 168.0326,
        "design_z": 168.5166,
        "delta_z": 0.484
      },
      {
        "ch": 180.0,
        "easting": 451669.3968,
        "northing": 6510591.1051,
        "existing_z": 168.9416,
        "design_z": 169.5105,
        "delta_z": 0.569
      },
      {
        "ch": 190.0,
        "easting": 451678.0571,
        "northing": 6510586.1052,
        "existing_z": 170.013,
        "design_z": 170.5738,
        "delta_z": 0.5608
      },
      {
        "ch": 200.0,
        "easting": 451686.7173,
        "northing": 6510581.1052,
        "existing_z": 171.0774,
        "design_z": 171.6371,
        "delta_z": 0.5597
      },
      {
        "ch": 205.9776,
        "easting": 451691.8941,
        "northing": 6510578.1164,
        "existing_z": 171.7494,
        "design_z": 172.2727,
        "delta_z": 0.5233
      },
      {
        "ch": 210.0,
        "easting": 451695.3776,
        "northing": 6510576.1052,
        "existing_z": 172.2523,
        "design_z": 172.7034,
        "delta_z": 0.4511
      },
      {
        "ch": 220.0,
        "easting": 451704.0379,
        "northing": 6510571.1052,
        "existing_z": 173.4986,
        "design_z": 173.8001,
        "delta_z": 0.3016
      },
      {
        "ch": 225.9776,
        "easting": 451709.2146,
        "northing": 6510568.1165,
        "existing_z": 174.2521,
        "design_z": 174.4734,
        "delta_z": 0.2213
      },
      {
        "ch": 230.0,
        "easting": 451712.6981,
        "northing": 6510566.1053,
        "existing_z": 174.7747,
        "design_z": 174.9339,
        "delta_z": 0.1592
      },
      {
        "ch": 240.0,
        "easting": 451721.3584,
        "northing": 6510561.1053,
        "existing_z": 176.0785,
        "design_z": 176.1048,
        "delta_z": 0.0263
      },
      {
        "ch": 245.9776,
        "easting": 451726.5352,
        "northing": 6510558.1165,
        "existing_z": 176.8538,
        "design_z": 176.8224,
        "delta_z": -0.0314
      },
      {
        "ch": 250.0,
        "easting": 451730.0187,
        "northing": 6510556.1053,
        "existing_z": 177.3735,
        "design_z": 177.3097,
        "delta_z": -0.0638
      },
      {
        "ch": 260.0,
        "easting": 451738.6789,
        "northing": 6510551.1054,
        "existing_z": 178.5505,
        "design_z": 178.5213,
        "delta_z": -0.0293
      },
      {
        "ch": 270.0,
        "easting": 451747.3392,
        "northing": 6510546.1054,
        "existing_z": 179.7307,
        "design_z": 179.7328,
        "delta_z": 0.0021
      },
      {
        "ch": 280.0,
        "easting": 451755.9995,
        "northing": 6510541.1054,
        "existing_z": 180.8693,
        "design_z": 180.9444,
        "delta_z": 0.0751
      },
      {
        "ch": 281.3035,
        "easting": 451757.1283,
        "northing": 6510540.4537,
        "existing_z": 181.0169,
        "design_z": 181.1023,
        "delta_z": 0.0854
      },
      {
        "ch": 290.0,
        "easting": 451764.6597,
        "northing": 6510536.1054,
        "existing_z": 182.0165,
        "design_z": 182.1582,
        "delta_z": 0.1417
      },
      {
        "ch": 300.0,
        "easting": 451773.32,
        "northing": 6510531.1055,
        "existing_z": 183.2262,
        "design_z": 183.3778,
        "delta_z": 0.1517
      },
      {
        "ch": 301.3035,
        "easting": 451774.4489,
        "northing": 6510530.4537,
        "existing_z": 183.3924,
        "design_z": 183.5373,
        "delta_z": 0.1448
      },
      {
        "ch": 310.0,
        "easting": 451781.9803,
        "northing": 6510526.1055,
        "existing_z": 184.4927,
        "design_z": 184.6034,
        "delta_z": 0.1107
      },
      {
        "ch": 320.0,
        "easting": 451790.6406,
        "northing": 6510521.1055,
        "existing_z": 185.7678,
        "design_z": 185.835,
        "delta_z": 0.0671
      },
      {
        "ch": 321.3035,
        "easting": 451791.7694,
        "northing": 6510520.4538,
        "existing_z": 185.9492,
        "design_z": 185.9959,
        "delta_z": 0.0467
      },
      {
        "ch": 330.0,
        "easting": 451799.3008,
        "northing": 6510516.1055,
        "existing_z": 187.1589,
        "design_z": 187.0702,
        "delta_z": -0.0887
      },
      {
        "ch": 340.0,
        "easting": 451807.9611,
        "northing": 6510511.1056,
        "existing_z": 188.5482,
        "design_z": 188.3054,
        "delta_z": -0.2428
      },
      {
        "ch": 350.0,
        "easting": 451816.6214,
        "northing": 6510506.1056,
        "existing_z": 189.9204,
        "design_z": 189.5407,
        "delta_z": -0.3797
      },
      {
        "ch": 356.6293,
        "easting": 451822.3626,
        "northing": 6510502.7909,
        "existing_z": 190.8126,
        "design_z": 190.3596,
        "delta_z": -0.453
      },
      {
        "ch": 360.0,
        "easting": 451825.2816,
        "northing": 6510501.1056,
        "existing_z": 191.261,
        "design_z": 190.771,
        "delta_z": -0.4899
      },
      {
        "ch": 370.0,
        "easting": 451833.9419,
        "northing": 6510496.1056,
        "existing_z": 192.534,
        "design_z": 191.9336,
        "delta_z": -0.6004
      },
      {
        "ch": 376.6293,
        "easting": 451839.6831,
        "northing": 6510492.791,
        "existing_z": 193.3441,
        "design_z": 192.6565,
        "delta_z": -0.6876
      },
      {
        "ch": 380.0,
        "easting": 451842.6022,
        "northing": 6510491.1057,
        "existing_z": 193.7563,
        "design_z": 193.0094,
        "delta_z": -0.7468
      },
      {
        "ch": 390.0,
        "easting": 451851.2624,
        "northing": 6510486.1057,
        "existing_z": 194.9062,
        "design_z": 193.9984,
        "delta_z": -0.9078
      },
      {
        "ch": 396.6293,
        "easting": 451857.0036,
        "northing": 6510482.791,
        "existing_z": 195.5967,
        "design_z": 194.6061,
        "delta_z": -0.9905
      },
      {
        "ch": 400.0,
        "easting": 451859.9227,
        "northing": 6510481.1057,
        "existing_z": 195.9483,
        "design_z": 194.9055,
        "delta_z": -1.0429
      },
      {
        "ch": 410.0,
        "easting": 451868.583,
        "northing": 6510476.1057,
        "existing_z": 196.9936,
        "design_z": 195.7934,
        "delta_z": -1.2002
      },
      {
        "ch": 420.0,
        "easting": 451877.2432,
        "northing": 6510471.1058,
        "existing_z": 197.9541,
        "design_z": 196.6814,
        "delta_z": -1.2726
      },
      {
        "ch": 430.0,
        "easting": 451885.9035,
        "northing": 6510466.1058,
        "existing_z": 198.7988,
        "design_z": 197.5694,
        "delta_z": -1.2294
      },
      {
        "ch": 431.9552,
        "easting": 451887.5968,
        "northing": 6510465.1282,
        "existing_z": 198.9559,
        "design_z": 197.7431,
        "delta_z": -1.2128
      },
      {
        "ch": 440.0,
        "easting": 451894.5638,
        "northing": 6510461.1058,
        "existing_z": 199.5354,
        "design_z": 198.4129,
        "delta_z": -1.1226
      },
      {
        "ch": 450.0,
        "easting": 451903.224,
        "northing": 6510456.1058,
        "existing_z": 200.2115,
        "design_z": 199.1213,
        "delta_z": -1.0902
      },
      {
        "ch": 451.9552,
        "easting": 451904.9173,
        "northing": 6510455.1282,
        "existing_z": 200.3432,
        "design_z": 199.2437,
        "delta_z": -1.0994
      },
      {
        "ch": 460.0,
        "easting": 451911.8843,
        "northing": 6510451.1059,
        "existing_z": 200.858,
        "design_z": 199.6921,
        "delta_z": -1.1659
      },
      {
        "ch": 470.0,
        "easting": 451920.5446,
        "northing": 6510446.1059,
        "existing_z": 201.2925,
        "design_z": 200.1252,
        "delta_z": -1.1674
      },
      {
        "ch": 471.9552,
        "easting": 451922.2379,
        "northing": 6510445.1283,
        "existing_z": 201.3716,
        "design_z": 200.1937,
        "delta_z": -1.1778
      },
      {
        "ch": 480.0,
        "easting": 451929.2049,
        "northing": 6510441.1059,
        "existing_z": 201.701,
        "design_z": 200.4651,
        "delta_z": -1.2358
      },
      {
        "ch": 490.0,
        "easting": 451937.8651,
        "northing": 6510436.1059,
        "existing_z": 201.998,
        "design_z": 200.8025,
        "delta_z": -1.1955
      },
      {
        "ch": 500.0,
        "easting": 451946.5254,
        "northing": 6510431.106,
        "existing_z": 202.2928,
        "design_z": 201.1398,
        "delta_z": -1.153
      },
      {
        "ch": 507.2811,
        "easting": 451952.831,
        "northing": 6510427.4654,
        "existing_z": 202.4243,
        "design_z": 201.3854,
        "delta_z": -1.0388
      },
      {
        "ch": 510.0,
        "easting": 451955.1857,
        "northing": 6510426.106,
        "existing_z": 202.4525,
        "design_z": 201.4746,
        "delta_z": -0.9779
      },
      {
        "ch": 520.0,
        "easting": 451963.8459,
        "northing": 6510421.106,
        "existing_z": 202.547,
        "design_z": 201.7589,
        "delta_z": -0.7881
      },
      {
        "ch": 527.2811,
        "easting": 451970.1515,
        "northing": 6510417.4655,
        "existing_z": 202.6058,
        "design_z": 201.9226,
        "delta_z": -0.6833
      },
      {
        "ch": 530.0,
        "easting": 451972.5062,
        "northing": 6510416.106,
        "existing_z": 202.6157,
        "design_z": 201.9743,
        "delta_z": -0.6414
      },
      {
        "ch": 540.0,
        "easting": 451981.1665,
        "northing": 6510411.1061,
        "existing_z": 202.637,
        "design_z": 202.121,
        "delta_z": -0.516
      },
      {
        "ch": 547.2811,
        "easting": 451987.4721,
        "northing": 6510407.4655,
        "existing_z": 202.5599,
        "design_z": 202.1845,
        "delta_z": -0.3754
      },
      {
        "ch": 550.0,
        "easting": 451989.8267,
        "northing": 6510406.1061,
        "existing_z": 202.5141,
        "design_z": 202.2014,
        "delta_z": -0.3127
      },
      {
        "ch": 560.0,
        "easting": 451998.487,
        "northing": 6510401.1061,
        "existing_z": 202.3237,
        "design_z": 202.2636,
        "delta_z": -0.0601
      },
      {
        "ch": 570.0,
        "easting": 452007.1473,
        "northing": 6510396.1061,
        "existing_z": 202.1221,
        "design_z": 202.3258,
        "delta_z": 0.2037
      },
      {
        "ch": 580.0,
        "easting": 452015.8075,
        "northing": 6510391.1062,
        "existing_z": 201.9585,
        "design_z": 202.388,
        "delta_z": 0.4295
      },
      {
        "ch": 582.607,
        "easting": 452018.0652,
        "northing": 6510389.8027,
        "existing_z": 201.921,
        "design_z": 202.4042,
        "delta_z": 0.4832
      },
      {
        "ch": 590.0,
        "easting": 452024.4678,
        "northing": 6510386.1062,
        "existing_z": 201.7722,
        "design_z": 202.4765,
        "delta_z": 0.7043
      },
      {
        "ch": 600.0,
        "easting": 452033.1281,
        "northing": 6510381.1062,
        "existing_z": 201.6616,
        "design_z": 202.6581,
        "delta_z": 0.9965
      },
      {
        "ch": 602.607,
        "easting": 452035.3858,
        "northing": 6510379.8027,
        "existing_z": 201.6643,
        "design_z": 202.7212,
        "delta_z": 1.057
      },
      {
        "ch": 610.0,
        "easting": 452041.7883,
        "northing": 6510376.1062,
        "existing_z": 201.7016,
        "design_z": 202.9359,
        "delta_z": 1.2343
      },
      {
        "ch": 620.0,
        "easting": 452050.4486,
        "northing": 6510371.1063,
        "existing_z": 201.8284,
        "design_z": 203.3101,
        "delta_z": 1.4817
      },
      {
        "ch": 622.607,
        "easting": 452052.7063,
        "northing": 6510369.8028,
        "existing_z": 201.9055,
        "design_z": 203.4235,
        "delta_z": 1.518
      },
      {
        "ch": 630.0,
        "easting": 452059.1089,
        "northing": 6510366.1063,
        "existing_z": 202.1609,
        "design_z": 203.7543,
        "delta_z": 1.5935
      },
      {
        "ch": 640.0,
        "easting": 452067.7692,
        "northing": 6510361.1063,
        "existing_z": 202.5923,
        "design_z": 204.2018,
        "delta_z": 1.6096
      },
      {
        "ch": 650.0,
        "easting": 452076.4294,
        "northing": 6510356.1063,
        "existing_z": 203.2321,
        "design_z": 204.6493,
        "delta_z": 1.4172
      },
      {
        "ch": 660.0,
        "easting": 452085.0897,
        "northing": 6510351.1064,
        "existing_z": 204.0175,
        "design_z": 205.0968,
        "delta_z": 1.0792
      },
      {
        "ch": 670.0,
        "easting": 452093.75,
        "northing": 6510346.1064,
        "existing_z": 204.9708,
        "design_z": 205.5442,
        "delta_z": 0.5734
      },
      {
        "ch": 677.9328,
        "easting": 452100.62,
        "northing": 6510342.14,
        "existing_z": 205.8992,
        "design_z": 205.8992,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD162",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 235.539,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 8.29,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450783.4468390412,
          6510427.121833839
        ],
        "end": [
          450950.0,
          6510593.671089225
        ],
        "chainage_start": 0,
        "length": 235.53897744322407
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 78.51299248107469,
        "pvi_z": 147.0708041164631,
        "bvc": 58.51299248107469,
        "evc": 98.51299248107469,
        "length": 40.0,
        "g1": 0.006217601692080179,
        "g2": 0.040328184552538206,
        "z_bvc": 146.9464520826215,
        "K_m_per_percent": 11.726565964479358
      },
      {
        "pvi_ch": 157.02598496214938,
        "pvi_z": 150.23709056701193,
        "bvc": 137.02598496214938,
        "evc": 177.02598496214938,
        "length": 40.0,
        "g1": 0.040328184552538206,
        "g2": 0.08290876407317972,
        "z_bvc": 149.43052687596116,
        "K_m_per_percent": 9.393953875289426
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450783.4468,
        "northing": 6510427.1218,
        "existing_z": 146.5826,
        "design_z": 146.5826,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450790.518,
        "northing": 6510434.1928,
        "existing_z": 146.6018,
        "design_z": 146.6448,
        "delta_z": 0.0431
      },
      {
        "ch": 20.0,
        "easting": 450797.5891,
        "northing": 6510441.2638,
        "existing_z": 146.6141,
        "design_z": 146.707,
        "delta_z": 0.0929
      },
      {
        "ch": 30.0,
        "easting": 450804.6603,
        "northing": 6510448.3348,
        "existing_z": 146.5838,
        "design_z": 146.7692,
        "delta_z": 0.1853
      },
      {
        "ch": 40.0,
        "easting": 450811.7314,
        "northing": 6510455.4058,
        "existing_z": 146.5295,
        "design_z": 146.8313,
        "delta_z": 0.3018
      },
      {
        "ch": 50.0,
        "easting": 450818.8026,
        "northing": 6510462.4768,
        "existing_z": 146.5168,
        "design_z": 146.8935,
        "delta_z": 0.3767
      },
      {
        "ch": 58.513,
        "easting": 450824.8223,
        "northing": 6510468.4963,
        "existing_z": 146.4799,
        "design_z": 146.9465,
        "delta_z": 0.4666
      },
      {
        "ch": 60.0,
        "easting": 450825.8737,
        "northing": 6510469.5477,
        "existing_z": 146.471,
        "design_z": 146.9566,
        "delta_z": 0.4857
      },
      {
        "ch": 70.0,
        "easting": 450832.9449,
        "northing": 6510476.6187,
        "existing_z": 146.4652,
        "design_z": 147.0741,
        "delta_z": 0.6089
      },
      {
        "ch": 78.513,
        "easting": 450838.9646,
        "northing": 6510482.6383,
        "existing_z": 146.5454,
        "design_z": 147.2414,
        "delta_z": 0.6959
      },
      {
        "ch": 80.0,
        "easting": 450840.016,
        "northing": 6510483.6897,
        "existing_z": 146.558,
        "design_z": 147.2769,
        "delta_z": 0.719
      },
      {
        "ch": 90.0,
        "easting": 450847.0872,
        "northing": 6510490.7607,
        "existing_z": 146.631,
        "design_z": 147.565,
        "delta_z": 0.9339
      },
      {
        "ch": 98.513,
        "easting": 450853.1069,
        "northing": 6510496.7802,
        "existing_z": 146.8004,
        "design_z": 147.8774,
        "delta_z": 1.077
      },
      {
        "ch": 100.0,
        "easting": 450854.1583,
        "northing": 6510497.8317,
        "existing_z": 146.8474,
        "design_z": 147.9373,
        "delta_z": 1.09
      },
      {
        "ch": 110.0,
        "easting": 450861.2295,
        "northing": 6510504.9027,
        "existing_z": 147.1585,
        "design_z": 148.3406,
        "delta_z": 1.1821
      },
      {
        "ch": 120.0,
        "easting": 450868.3006,
        "northing": 6510511.9737,
        "existing_z": 147.4586,
        "design_z": 148.7439,
        "delta_z": 1.2853
      },
      {
        "ch": 130.0,
        "easting": 450875.3718,
        "northing": 6510519.0446,
        "existing_z": 147.9179,
        "design_z": 149.1472,
        "delta_z": 1.2292
      },
      {
        "ch": 137.026,
        "easting": 450880.34,
        "northing": 6510524.0127,
        "existing_z": 148.2927,
        "design_z": 149.4305,
        "delta_z": 1.1378
      },
      {
        "ch": 140.0,
        "easting": 450882.4429,
        "northing": 6510526.1156,
        "existing_z": 148.4556,
        "design_z": 149.5552,
        "delta_z": 1.0995
      },
      {
        "ch": 150.0,
        "easting": 450889.5141,
        "northing": 6510533.1866,
        "existing_z": 149.0201,
        "design_z": 150.0433,
        "delta_z": 1.0233
      },
      {
        "ch": 157.026,
        "easting": 450894.4823,
        "northing": 6510538.1547,
        "existing_z": 149.5234,
        "design_z": 150.45,
        "delta_z": 0.9266
      },
      {
        "ch": 160.0,
        "easting": 450896.5853,
        "northing": 6510540.2576,
        "existing_z": 149.7449,
        "design_z": 150.638,
        "delta_z": 0.8931
      },
      {
        "ch": 170.0,
        "easting": 450903.6564,
        "northing": 6510547.3286,
        "existing_z": 150.5079,
        "design_z": 151.339,
        "delta_z": 0.8312
      },
      {
        "ch": 177.026,
        "easting": 450908.6246,
        "northing": 6510552.2966,
        "existing_z": 151.064,
        "design_z": 151.8953,
        "delta_z": 0.8312
      },
      {
        "ch": 180.0,
        "easting": 450910.7276,
        "northing": 6510554.3996,
        "existing_z": 151.3114,
        "design_z": 152.1418,
        "delta_z": 0.8304
      },
      {
        "ch": 190.0,
        "easting": 450917.7987,
        "northing": 6510561.4705,
        "existing_z": 152.1991,
        "design_z": 152.9709,
        "delta_z": 0.7718
      },
      {
        "ch": 200.0,
        "easting": 450924.8699,
        "northing": 6510568.5415,
        "existing_z": 153.1261,
        "design_z": 153.8,
        "delta_z": 0.6739
      },
      {
        "ch": 210.0,
        "easting": 450931.941,
        "northing": 6510575.6125,
        "existing_z": 154.1116,
        "design_z": 154.6291,
        "delta_z": 0.5175
      },
      {
        "ch": 220.0,
        "easting": 450939.0122,
        "northing": 6510582.6835,
        "existing_z": 155.1148,
        "design_z": 155.4582,
        "delta_z": 0.3434
      },
      {
        "ch": 230.0,
        "easting": 450946.0833,
        "northing": 6510589.7545,
        "existing_z": 156.1391,
        "design_z": 156.2873,
        "delta_z": 0.1481
      },
      {
        "ch": 235.539,
        "easting": 450950.0,
        "northing": 6510593.6711,
        "existing_z": 156.7465,
        "design_z": 156.7465,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD163",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 236.464,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 8.21,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450783.4468390412,
          6510427.121833839
        ],
        "end": [
          450948.897648264,
          6510588.921971651
        ],
        "chainage_start": 0,
        "length": 231.41576192700217
      },
      {
        "type": "ARC",
        "centre": [
          450946.3355702095,
          6510591.541857475
        ],
        "radius": 3.664429790491277,
        "start_angle_rad": -0.7965532724684861,
        "sweep_rad": 0.7965532723990306,
        "start": [
          450948.897648264,
          6510588.921971651
        ],
        "end": [
          450950.0,
          6510591.5418574745
        ],
        "chainage_start": 231.41576192700217,
        "length": 2.918913541092321,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450950.0,
          6510591.541857475
        ],
        "end": [
          450950.0,
          6510593.671089225
        ],
        "chainage_start": 234.33467546809447,
        "length": 2.129231750033796
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 78.82130240604276,
        "pvi_z": 147.05820271537917,
        "bvc": 58.82130240604276,
        "evc": 98.82130240604276,
        "length": 40.0,
        "g1": 0.0060334084733444935,
        "g2": 0.040864107922512785,
        "z_bvc": 146.93753454591229,
        "K_m_per_percent": 11.484121947759261
      },
      {
        "pvi_ch": 157.64260481208552,
        "pvi_z": 150.27916492349271,
        "bvc": 137.64260481208552,
        "evc": 177.64260481208552,
        "length": 40.0,
        "g1": 0.040864107922512785,
        "g2": 0.08205067179042402,
        "z_bvc": 149.46188276504245,
        "K_m_per_percent": 9.711905107763627
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450783.4468,
        "northing": 6510427.1218,
        "existing_z": 146.5826,
        "design_z": 146.5826,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450790.5963,
        "northing": 6510434.1136,
        "existing_z": 146.5929,
        "design_z": 146.643,
        "delta_z": 0.05
      },
      {
        "ch": 20.0,
        "easting": 450797.7458,
        "northing": 6510441.1053,
        "existing_z": 146.5965,
        "design_z": 146.7033,
        "delta_z": 0.1068
      },
      {
        "ch": 30.0,
        "easting": 450804.8954,
        "northing": 6510448.0971,
        "existing_z": 146.5574,
        "design_z": 146.7636,
        "delta_z": 0.2063
      },
      {
        "ch": 40.0,
        "easting": 450812.0449,
        "northing": 6510455.0888,
        "existing_z": 146.4994,
        "design_z": 146.824,
        "delta_z": 0.3246
      },
      {
        "ch": 50.0,
        "easting": 450819.1944,
        "northing": 6510462.0806,
        "existing_z": 146.4791,
        "design_z": 146.8843,
        "delta_z": 0.4052
      },
      {
        "ch": 58.8213,
        "easting": 450825.5012,
        "northing": 6510468.2482,
        "existing_z": 146.4338,
        "design_z": 146.9375,
        "delta_z": 0.5038
      },
      {
        "ch": 60.0,
        "easting": 450826.3439,
        "northing": 6510469.0723,
        "existing_z": 146.4258,
        "design_z": 146.9453,
        "delta_z": 0.5195
      },
      {
        "ch": 70.0,
        "easting": 450833.4934,
        "northing": 6510476.0641,
        "existing_z": 146.4299,
        "design_z": 147.0594,
        "delta_z": 0.6295
      },
      {
        "ch": 78.8213,
        "easting": 450839.8002,
        "northing": 6510482.2317,
        "existing_z": 146.5083,
        "design_z": 147.2324,
        "delta_z": 0.724
      },
      {
        "ch": 80.0,
        "easting": 450840.6429,
        "northing": 6510483.0558,
        "existing_z": 146.5176,
        "design_z": 147.2606,
        "delta_z": 0.743
      },
      {
        "ch": 90.0,
        "easting": 450847.7924,
        "northing": 6510490.0476,
        "existing_z": 146.5852,
        "design_z": 147.5489,
        "delta_z": 0.9637
      },
      {
        "ch": 98.8213,
        "easting": 450854.0992,
        "northing": 6510496.2152,
        "existing_z": 146.787,
        "design_z": 147.8755,
        "delta_z": 1.0885
      },
      {
        "ch": 100.0,
        "easting": 450854.9419,
        "northing": 6510497.0393,
        "existing_z": 146.8239,
        "design_z": 147.9237,
        "delta_z": 1.0997
      },
      {
        "ch": 110.0,
        "easting": 450862.0914,
        "northing": 6510504.0311,
        "existing_z": 147.1327,
        "design_z": 148.3323,
        "delta_z": 1.1996
      },
      {
        "ch": 120.0,
        "easting": 450869.2409,
        "northing": 6510511.0228,
        "existing_z": 147.4318,
        "design_z": 148.7409,
        "delta_z": 1.3091
      },
      {
        "ch": 130.0,
        "easting": 450876.3904,
        "northing": 6510518.0146,
        "existing_z": 147.9189,
        "design_z": 149.1496,
        "delta_z": 1.2307
      },
      {
        "ch": 137.6426,
        "easting": 450881.8545,
        "northing": 6510523.3581,
        "existing_z": 148.3273,
        "design_z": 149.4619,
        "delta_z": 1.1346
      },
      {
        "ch": 140.0,
        "easting": 450883.5399,
        "northing": 6510525.0063,
        "existing_z": 148.4566,
        "design_z": 149.5611,
        "delta_z": 1.1045
      },
      {
        "ch": 150.0,
        "easting": 450890.6894,
        "northing": 6510531.9981,
        "existing_z": 149.0358,
        "design_z": 150.0455,
        "delta_z": 1.0097
      },
      {
        "ch": 157.6426,
        "easting": 450896.1535,
        "northing": 6510537.3416,
        "existing_z": 149.5961,
        "design_z": 150.4851,
        "delta_z": 0.889
      },
      {
        "ch": 160.0,
        "easting": 450897.8389,
        "northing": 6510538.9898,
        "existing_z": 149.7722,
        "design_z": 150.6328,
        "delta_z": 0.8606
      },
      {
        "ch": 170.0,
        "easting": 450904.9884,
        "northing": 6510545.9816,
        "existing_z": 150.5368,
        "design_z": 151.3232,
        "delta_z": 0.7863
      },
      {
        "ch": 177.6426,
        "easting": 450910.4525,
        "northing": 6510551.3251,
        "existing_z": 151.1454,
        "design_z": 151.9202,
        "delta_z": 0.7747
      },
      {
        "ch": 180.0,
        "easting": 450912.1379,
        "northing": 6510552.9734,
        "existing_z": 151.3495,
        "design_z": 152.1136,
        "delta_z": 0.7641
      },
      {
        "ch": 190.0,
        "easting": 450919.2874,
        "northing": 6510559.9651,
        "existing_z": 152.2392,
        "design_z": 152.9341,
        "delta_z": 0.695
      },
      {
        "ch": 200.0,
        "easting": 450926.4369,
        "northing": 6510566.9569,
        "existing_z": 153.1682,
        "design_z": 153.7546,
        "delta_z": 0.5864
      },
      {
        "ch": 210.0,
        "easting": 450933.5864,
        "northing": 6510573.9486,
        "existing_z": 154.1439,
        "design_z": 154.5751,
        "delta_z": 0.4312
      },
      {
        "ch": 220.0,
        "easting": 450940.7359,
        "northing": 6510580.9404,
        "existing_z": 155.1486,
        "design_z": 155.3956,
        "delta_z": 0.2471
      },
      {
        "ch": 230.0,
        "easting": 450947.8854,
        "northing": 6510587.9321,
        "existing_z": 156.1744,
        "design_z": 156.2161,
        "delta_z": 0.0417
      },
      {
        "ch": 236.4639,
        "easting": 450950.0,
        "northing": 6510593.6711,
        "existing_z": 156.7465,
        "design_z": 156.7465,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD164",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 213.707,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 10.25,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450030.0,
          6510592.26
        ],
        "end": [
          450136.244490671,
          6510486.015509329
        ],
        "chainage_start": 0,
        "length": 150.25239963430977
      },
      {
        "type": "ARC",
        "centre": [
          450140.5087884772,
          6510490.279807135
        ],
        "radius": 6.0306277916249265,
        "start_angle_rad": -2.3561944901445697,
        "sweep_rad": 1.4440831732264434,
        "start": [
          450136.244490671,
          6510486.015509329
        ],
        "end": [
          450144.2,
          6510485.5108
        ],
        "chainage_start": 150.25239963430977,
        "length": 8.708728117877303,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450144.2000000002,
          6510485.5108
        ],
        "end": [
          450150.0,
          6510490.0
        ],
        "chainage_start": 158.96112775218708,
        "length": 7.334365455533567
      },
      {
        "type": "LINE",
        "start": [
          450150.0,
          6510490.0
        ],
        "end": [
          450135.93969696196,
          6510475.939696962
        ],
        "chainage_start": 166.29549320772065,
        "length": 19.884271247436818
      },
      {
        "type": "ARC",
        "centre": [
          450150.27939392393,
          6510461.6
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 2.3561944901781375,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450135.93969696196,
          6510475.939696962
        ],
        "end": [
          450130.0,
          6510461.6
        ],
        "chainage_start": 186.17976445515748,
        "length": 15.927398742671137,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450130.0,
          6510461.6
        ],
        "end": [
          450130.0,
          6510450.0
        ],
        "chainage_start": 202.1071631978286,
        "length": 11.599999999627471
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 71.2357210658187,
        "pvi_z": 200.64962271593424,
        "bvc": 51.235721065818694,
        "evc": 91.2357210658187,
        "length": 40.0,
        "g1": -0.10254790475960264,
        "g2": -0.09916508553951488,
        "z_bvc": 202.7005808111263,
        "K_m_per_percent": 118.24456879774455
      },
      {
        "pvi_ch": 142.4714421316374,
        "pvi_z": 193.5855263429733,
        "bvc": 122.47144213163739,
        "evc": 162.4714421316374,
        "length": 40.0,
        "g1": -0.09916508553951488,
        "g2": -0.09998535565982362,
        "z_bvc": 195.5688280537636,
        "K_m_per_percent": 487.64424071602326
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450030.0,
        "northing": 6510592.26,
        "existing_z": 207.9547,
        "design_z": 207.9547,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450037.0711,
        "northing": 6510585.1889,
        "existing_z": 207.4165,
        "design_z": 206.9292,
        "delta_z": -0.4873
      },
      {
        "ch": 20.0,
        "easting": 450044.1421,
        "northing": 6510578.1179,
        "existing_z": 206.4964,
        "design_z": 205.9037,
        "delta_z": -0.5927
      },
      {
        "ch": 30.0,
        "easting": 450051.2132,
        "northing": 6510571.0468,
        "existing_z": 205.3736,
        "design_z": 204.8783,
        "delta_z": -0.4953
      },
      {
        "ch": 40.0,
        "easting": 450058.2843,
        "northing": 6510563.9757,
        "existing_z": 204.362,
        "design_z": 203.8528,
        "delta_z": -0.5092
      },
      {
        "ch": 50.0,
        "easting": 450065.3553,
        "northing": 6510556.9047,
        "existing_z": 203.0618,
        "design_z": 202.8273,
        "delta_z": -0.2345
      },
      {
        "ch": 51.2357,
        "easting": 450066.2291,
        "northing": 6510556.0309,
        "existing_z": 202.8817,
        "design_z": 202.7006,
        "delta_z": -0.1812
      },
      {
        "ch": 60.0,
        "easting": 450072.4264,
        "northing": 6510549.8336,
        "existing_z": 201.7331,
        "design_z": 201.8051,
        "delta_z": 0.072
      },
      {
        "ch": 70.0,
        "easting": 450079.4975,
        "northing": 6510542.7625,
        "existing_z": 200.7591,
        "design_z": 200.7912,
        "delta_z": 0.0322
      },
      {
        "ch": 71.2357,
        "easting": 450080.3713,
        "northing": 6510541.8887,
        "existing_z": 200.6175,
        "design_z": 200.6665,
        "delta_z": 0.049
      },
      {
        "ch": 80.0,
        "easting": 450086.5685,
        "northing": 6510535.6915,
        "existing_z": 199.4794,
        "design_z": 199.7859,
        "delta_z": 0.3065
      },
      {
        "ch": 90.0,
        "easting": 450093.6396,
        "northing": 6510528.6204,
        "existing_z": 198.2908,
        "design_z": 198.7889,
        "delta_z": 0.4981
      },
      {
        "ch": 91.2357,
        "easting": 450094.5134,
        "northing": 6510527.7466,
        "existing_z": 198.1825,
        "design_z": 198.6663,
        "delta_z": 0.4838
      },
      {
        "ch": 100.0,
        "easting": 450100.7107,
        "northing": 6510521.5493,
        "existing_z": 197.3048,
        "design_z": 197.7972,
        "delta_z": 0.4924
      },
      {
        "ch": 110.0,
        "easting": 450107.7817,
        "northing": 6510514.4783,
        "existing_z": 196.0696,
        "design_z": 196.8056,
        "delta_z": 0.7359
      },
      {
        "ch": 120.0,
        "easting": 450114.8528,
        "northing": 6510507.4072,
        "existing_z": 195.2318,
        "design_z": 195.8139,
        "delta_z": 0.5821
      },
      {
        "ch": 122.4714,
        "easting": 450116.6004,
        "northing": 6510505.6596,
        "existing_z": 195.082,
        "design_z": 195.5688,
        "delta_z": 0.4868
      },
      {
        "ch": 130.0,
        "easting": 450121.9239,
        "northing": 6510500.3361,
        "existing_z": 194.5655,
        "design_z": 194.8217,
        "delta_z": 0.2562
      },
      {
        "ch": 140.0,
        "easting": 450128.9949,
        "northing": 6510493.2651,
        "existing_z": 193.739,
        "design_z": 193.8275,
        "delta_z": 0.0884
      },
      {
        "ch": 142.4714,
        "easting": 450130.7425,
        "northing": 6510491.5175,
        "existing_z": 193.5801,
        "design_z": 193.5814,
        "delta_z": 0.0013
      },
      {
        "ch": 150.0,
        "easting": 450136.066,
        "northing": 6510486.194,
        "existing_z": 193.3266,
        "design_z": 192.8312,
        "delta_z": -0.4954
      },
      {
        "ch": 160.0,
        "easting": 450145.0215,
        "northing": 6510486.1467,
        "existing_z": 194.5356,
        "design_z": 191.8329,
        "delta_z": -2.7027
      },
      {
        "ch": 162.4714,
        "easting": 450146.9759,
        "northing": 6510487.6594,
        "existing_z": 195.1309,
        "design_z": 191.5858,
        "delta_z": -3.5451
      },
      {
        "ch": 170.0,
        "easting": 450147.3805,
        "northing": 6510487.3805,
        "existing_z": 195.1263,
        "design_z": 190.8331,
        "delta_z": -4.2932
      },
      {
        "ch": 180.0,
        "easting": 450140.3095,
        "northing": 6510480.3095,
        "existing_z": 192.7059,
        "design_z": 189.8332,
        "delta_z": -2.8727
      },
      {
        "ch": 190.0,
        "easting": 450133.508,
        "northing": 6510473.0006,
        "existing_z": 190.4824,
        "design_z": 188.8334,
        "delta_z": -1.6491
      },
      {
        "ch": 200.0,
        "easting": 450130.1094,
        "northing": 6510463.7034,
        "existing_z": 188.5927,
        "design_z": 187.8335,
        "delta_z": -0.7592
      },
      {
        "ch": 210.0,
        "easting": 450130.0,
        "northing": 6510453.7072,
        "existing_z": 187.0367,
        "design_z": 186.8337,
        "delta_z": -0.203
      },
      {
        "ch": 213.7072,
        "easting": 450130.0,
        "northing": 6510450.0,
        "existing_z": 186.463,
        "design_z": 186.463,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD165",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 178.442,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 12.88,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450130.0,
          6510450.0
        ],
        "end": [
          450118.4,
          6510461.6
        ],
        "chainage_start": 0,
        "length": 16.40487732324802
      },
      {
        "type": "ARC",
        "centre": [
          450138.67939392396,
          6510481.879393923
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": -2.356194490203826,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450118.4,
          6510461.6
        ],
        "end": [
          450110.0,
          6510481.879393924
        ],
        "chainage_start": 16.40487732324802,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450110.0,
          6510481.879393923
        ],
        "end": [
          450110.0,
          6510493.2
        ],
        "chainage_start": 38.92962063845772,
        "length": 11.320606077089906
      },
      {
        "type": "ARC",
        "centre": [
          450069.44121215213,
          6510493.2
        ],
        "radius": 40.558787847868,
        "start_angle_rad": 0.0,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450110.0,
          6510493.2
        ],
        "end": [
          450098.1206060761,
          6510521.879393924
        ],
        "chainage_start": 50.250226715547626,
        "length": 31.854797485342274,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450098.1206060761,
          6510521.879393924
        ],
        "end": [
          450030.0,
          6510590.0
        ],
        "chainage_start": 82.1050242008899,
        "length": 96.33708498979743
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 59.48070306356245,
        "pvi_z": 194.12631578310555,
        "bvc": 39.48070306356245,
        "evc": 79.48070306356246,
        "length": 40.0,
        "g1": 0.12883705053709466,
        "g2": 0.12245589384796045,
        "z_bvc": 191.54957477236366,
        "K_m_per_percent": 62.68456010195103
      },
      {
        "pvi_ch": 118.9614061271249,
        "pvi_z": 201.4100784434592,
        "bvc": 98.9614061271249,
        "evc": 138.96140612712492,
        "length": 40.0,
        "g1": 0.12245589384796045,
        "g2": 0.1122539258392607,
        "z_bvc": 198.9609605665,
        "K_m_per_percent": 39.20812138000226
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450130.0,
        "northing": 6510450.0,
        "existing_z": 186.463,
        "design_z": 186.463,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450122.9289,
        "northing": 6510457.0711,
        "existing_z": 187.7703,
        "design_z": 187.7514,
        "delta_z": -0.0189
      },
      {
        "ch": 20.0,
        "easting": 450116.0236,
        "northing": 6510464.2946,
        "existing_z": 188.8153,
        "design_z": 189.0397,
        "delta_z": 0.2244
      },
      {
        "ch": 30.0,
        "easting": 450111.379,
        "northing": 6510473.0934,
        "existing_z": 189.8868,
        "design_z": 190.3281,
        "delta_z": 0.4413
      },
      {
        "ch": 39.4807,
        "easting": 450110.0,
        "northing": 6510482.4305,
        "existing_z": 191.1629,
        "design_z": 191.5496,
        "delta_z": 0.3867
      },
      {
        "ch": 40.0,
        "easting": 450110.0,
        "northing": 6510482.9498,
        "existing_z": 191.2348,
        "design_z": 191.6165,
        "delta_z": 0.3817
      },
      {
        "ch": 50.0,
        "easting": 450110.0,
        "northing": 6510492.9498,
        "existing_z": 192.6599,
        "design_z": 192.896,
        "delta_z": 0.2361
      },
      {
        "ch": 59.4807,
        "easting": 450108.9542,
        "northing": 6510502.351,
        "existing_z": 194.1525,
        "design_z": 194.0944,
        "delta_z": -0.0581
      },
      {
        "ch": 60.0,
        "easting": 450108.8338,
        "northing": 6510502.8561,
        "existing_z": 194.2352,
        "design_z": 194.1596,
        "delta_z": -0.0755
      },
      {
        "ch": 70.0,
        "easting": 450105.2858,
        "northing": 6510512.1785,
        "existing_z": 195.7881,
        "design_z": 195.4073,
        "delta_z": -0.3808
      },
      {
        "ch": 79.4807,
        "easting": 450099.915,
        "northing": 6510519.965,
        "existing_z": 197.0898,
        "design_z": 196.5754,
        "delta_z": -0.5144
      },
      {
        "ch": 80.0,
        "easting": 450099.5698,
        "northing": 6510520.353,
        "existing_z": 197.1505,
        "design_z": 196.639,
        "delta_z": -0.5115
      },
      {
        "ch": 90.0,
        "easting": 450092.538,
        "northing": 6510527.462,
        "existing_z": 198.1423,
        "design_z": 197.8636,
        "delta_z": -0.2787
      },
      {
        "ch": 98.9614,
        "easting": 450086.2013,
        "northing": 6510533.7987,
        "existing_z": 199.2672,
        "design_z": 198.961,
        "delta_z": -0.3062
      },
      {
        "ch": 100.0,
        "easting": 450085.4669,
        "northing": 6510534.5331,
        "existing_z": 199.4177,
        "design_z": 199.088,
        "delta_z": -0.3297
      },
      {
        "ch": 110.0,
        "easting": 450078.3959,
        "northing": 6510541.6041,
        "existing_z": 200.6986,
        "design_z": 200.2972,
        "delta_z": -0.4015
      },
      {
        "ch": 118.9614,
        "easting": 450072.0592,
        "northing": 6510547.9408,
        "existing_z": 201.5868,
        "design_z": 201.3591,
        "delta_z": -0.2278
      },
      {
        "ch": 120.0,
        "easting": 450071.3248,
        "northing": 6510548.6752,
        "existing_z": 201.6739,
        "design_z": 201.4808,
        "delta_z": -0.1931
      },
      {
        "ch": 130.0,
        "easting": 450064.2537,
        "northing": 6510555.7463,
        "existing_z": 203.0863,
        "design_z": 202.639,
        "delta_z": -0.4473
      },
      {
        "ch": 138.9614,
        "easting": 450057.9171,
        "northing": 6510562.0829,
        "existing_z": 204.2654,
        "design_z": 203.6552,
        "delta_z": -0.6103
      },
      {
        "ch": 140.0,
        "easting": 450057.1827,
        "northing": 6510562.8173,
        "existing_z": 204.3875,
        "design_z": 203.7717,
        "delta_z": -0.6158
      },
      {
        "ch": 150.0,
        "easting": 450050.1116,
        "northing": 6510569.8884,
        "existing_z": 205.4089,
        "design_z": 204.8943,
        "delta_z": -0.5146
      },
      {
        "ch": 160.0,
        "easting": 450043.0405,
        "northing": 6510576.9595,
        "existing_z": 206.6178,
        "design_z": 206.0168,
        "delta_z": -0.6009
      },
      {
        "ch": 170.0,
        "easting": 450035.9695,
        "northing": 6510584.0305,
        "existing_z": 207.539,
        "design_z": 207.1394,
        "delta_z": -0.3997
      },
      {
        "ch": 178.4421,
        "easting": 450030.0,
        "northing": 6510590.0,
        "existing_z": 208.087,
        "design_z": 208.087,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD166",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 555.549,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.21,
    "radius_review_count": 5,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451734.5,
          6510553.52
        ],
        "end": [
          451743.49,
          6510563.0784
        ],
        "chainage_start": 0,
        "length": 13.121856216570503
      },
      {
        "type": "ARC",
        "centre": [
          451726.0279686948,
          6510579.502033812
        ],
        "radius": 23.972031305202705,
        "start_angle_rad": -0.7547635976594226,
        "sweep_rad": 0.7547635976619113,
        "start": [
          451743.49,
          6510563.0784
        ],
        "end": [
          451750.0,
          6510579.502033812
        ],
        "chainage_start": 13.121856216570503,
        "length": 18.093216591178756,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451750.0,
          6510579.502033812
        ],
        "end": [
          451750.0,
          6510618.120606076
        ],
        "chainage_start": 31.21507280774926,
        "length": 38.61857226397842
      },
      {
        "type": "ARC",
        "centre": [
          451778.67939392396,
          6510618.120606076
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451750.0,
          6510618.120606076
        ],
        "end": [
          451758.4,
          6510638.4
        ],
        "chainage_start": 69.83364507172769,
        "length": 22.524743315209697,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451758.4,
          6510638.399999999
        ],
        "end": [
          451764.06030303804,
          6510644.060303038
        ],
        "chainage_start": 92.35838838693738,
        "length": 8.00487732388148
      },
      {
        "type": "ARC",
        "centre": [
          451778.4,
          6510629.720606076
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 2.3561944901781375,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451764.06030303804,
          6510644.060303038
        ],
        "end": [
          451778.4,
          6510650.0
        ],
        "chainage_start": 100.36326571081887,
        "length": 15.927398742671137,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451778.4000000003,
          6510649.999999999
        ],
        "end": [
          451785.25076004403,
          6510650.0
        ],
        "chainage_start": 116.29066445349,
        "length": 6.850760043715127
      },
      {
        "type": "ARC",
        "centre": [
          451785.25076004403,
          6510647.2082764935
        ],
        "radius": 2.7917235062163126,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -2.078753789922554,
        "start": [
          451785.25076004403,
          6510650.0
        ],
        "end": [
          451787.69,
          6510645.8504
        ],
        "chainage_start": 123.14142449720512,
        "length": 5.80330581896304,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451787.69,
          6510645.8504
        ],
        "end": [
          451786.81,
          6510644.2696
        ],
        "chainage_start": 128.94473031616818,
        "length": 1.8092342686594383
      },
      {
        "type": "ARC",
        "centre": [
          451791.025004959,
          6510641.923190357
        ],
        "radius": 4.824096290338052,
        "start_angle_rad": 2.6336351904876443,
        "sweep_rad": 1.5551581402977295,
        "start": [
          451786.81,
          6510644.2696
        ],
        "end": [
          451788.61296987353,
          6510637.7453928795
        ],
        "chainage_start": 130.75396458482763,
        "length": 7.502232615499301,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451788.61296987365,
          6510637.7453928795
        ],
        "end": [
          452150.0,
          6510429.1
        ],
        "chainage_start": 138.25619720032694,
        "length": 417.2930451295941
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 79.36417747570302,
        "pvi_z": 177.72599664592025,
        "bvc": 59.364177475703016,
        "evc": 99.36417747570302,
        "length": 40.0,
        "g1": -0.00321734393498234,
        "g2": 0.062451158563236214,
        "z_bvc": 177.79034352461989,
        "K_m_per_percent": 6.0912002677516695
      },
      {
        "pvi_ch": 158.72835495140603,
        "pvi_z": 182.6823814776962,
        "bvc": 138.72835495140603,
        "evc": 178.72835495140603,
        "length": 40.0,
        "g1": 0.062451158563236214,
        "g2": 0.11214161075329135,
        "z_bvc": 181.43335830643147,
        "K_m_per_percent": 8.049836183218606
      },
      {
        "pvi_ch": 238.09253242710906,
        "pvi_z": 191.58240817593162,
        "bvc": 218.09253242710906,
        "evc": 258.09253242710906,
        "length": 40.0,
        "g1": 0.11214161075329135,
        "g2": 0.10532923102900293,
        "z_bvc": 189.3395759608658,
        "K_m_per_percent": 58.716632981257064
      },
      {
        "pvi_ch": 317.45670990281207,
        "pvi_z": 199.94177596069673,
        "bvc": 297.45670990281207,
        "evc": 337.45670990281207,
        "length": 40.0,
        "g1": 0.10532923102900293,
        "g2": 0.08237219579491757,
        "z_bvc": 197.83519134011667,
        "K_m_per_percent": 17.4238526848668
      },
      {
        "pvi_ch": 396.82088737851507,
        "pvi_z": 206.47917752682793,
        "bvc": 376.82088737851507,
        "evc": 416.82088737851507,
        "length": 40.0,
        "g1": 0.08237219579491757,
        "g2": 0.052566296901691484,
        "z_bvc": 204.83173361092958,
        "K_m_per_percent": 13.420162278377285
      },
      {
        "pvi_ch": 476.1850648542181,
        "pvi_z": 210.65105844337427,
        "bvc": 456.1850648542181,
        "evc": 496.1850648542181,
        "length": 40.0,
        "g1": 0.052566296901691484,
        "g2": 0.03625564189975005,
        "z_bvc": 209.59973250534043,
        "K_m_per_percent": 24.523846525623192
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451734.5,
        "northing": 6510553.52,
        "existing_z": 177.9813,
        "design_z": 177.9813,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451741.3512,
        "northing": 6510560.8043,
        "existing_z": 178.4312,
        "design_z": 177.9492,
        "delta_z": -0.4821
      },
      {
        "ch": 20.0,
        "easting": 451747.4241,
        "northing": 6510568.6916,
        "existing_z": 178.7585,
        "design_z": 177.917,
        "delta_z": -0.8416
      },
      {
        "ch": 30.0,
        "easting": 451749.9692,
        "northing": 6510578.2875,
        "existing_z": 178.6098,
        "design_z": 177.8848,
        "delta_z": -0.7249
      },
      {
        "ch": 40.0,
        "easting": 451750.0,
        "northing": 6510588.287,
        "existing_z": 178.1656,
        "design_z": 177.8526,
        "delta_z": -0.313
      },
      {
        "ch": 50.0,
        "easting": 451750.0,
        "northing": 6510598.287,
        "existing_z": 177.7329,
        "design_z": 177.8205,
        "delta_z": 0.0875
      },
      {
        "ch": 59.3642,
        "easting": 451750.0,
        "northing": 6510607.6511,
        "existing_z": 177.3306,
        "design_z": 177.7903,
        "delta_z": 0.4597
      },
      {
        "ch": 60.0,
        "easting": 451750.0,
        "northing": 6510608.287,
        "existing_z": 177.3033,
        "design_z": 177.7886,
        "delta_z": 0.4853
      },
      {
        "ch": 70.0,
        "easting": 451750.0005,
        "northing": 6510618.287,
        "existing_z": 176.8615,
        "design_z": 177.849,
        "delta_z": 0.9875
      },
      {
        "ch": 79.3642,
        "easting": 451751.569,
        "northing": 6510627.4767,
        "existing_z": 176.5731,
        "design_z": 178.0543,
        "delta_z": 1.4813
      },
      {
        "ch": 80.0,
        "easting": 451751.7831,
        "northing": 6510628.0754,
        "existing_z": 176.5627,
        "design_z": 178.0735,
        "delta_z": 1.5108
      },
      {
        "ch": 90.0,
        "easting": 451756.8028,
        "northing": 6510636.6657,
        "existing_z": 176.5739,
        "design_z": 178.4622,
        "delta_z": 1.8883
      },
      {
        "ch": 99.3642,
        "easting": 451763.3538,
        "northing": 6510643.3538,
        "existing_z": 176.8293,
        "design_z": 178.975,
        "delta_z": 2.1457
      },
      {
        "ch": 100.0,
        "easting": 451763.8034,
        "northing": 6510643.8034,
        "existing_z": 176.8488,
        "design_z": 179.0147,
        "delta_z": 2.166
      },
      {
        "ch": 110.0,
        "easting": 451772.2097,
        "northing": 6510649.0321,
        "existing_z": 177.4099,
        "design_z": 179.6392,
        "delta_z": 2.2293
      },
      {
        "ch": 120.0,
        "easting": 451782.1093,
        "northing": 6510650.0,
        "existing_z": 178.4471,
        "design_z": 180.2638,
        "delta_z": 1.8167
      },
      {
        "ch": 130.0,
        "easting": 451787.1767,
        "northing": 6510644.9284,
        "existing_z": 179.1241,
        "design_z": 180.8883,
        "delta_z": 1.7641
      },
      {
        "ch": 138.7284,
        "easting": 451789.0219,
        "northing": 6510637.5093,
        "existing_z": 179.4974,
        "design_z": 181.4334,
        "delta_z": 1.936
      },
      {
        "ch": 140.0,
        "easting": 451790.1232,
        "northing": 6510636.8735,
        "existing_z": 179.6262,
        "design_z": 181.5138,
        "delta_z": 1.8876
      },
      {
        "ch": 150.0,
        "easting": 451798.7834,
        "northing": 6510631.8735,
        "existing_z": 180.8319,
        "design_z": 182.2162,
        "delta_z": 1.3843
      },
      {
        "ch": 158.7284,
        "easting": 451806.3424,
        "northing": 6510627.5094,
        "existing_z": 181.8715,
        "design_z": 182.9308,
        "delta_z": 1.0594
      },
      {
        "ch": 160.0,
        "easting": 451807.4437,
        "northing": 6510626.8736,
        "existing_z": 182.0221,
        "design_z": 183.0428,
        "delta_z": 1.0208
      },
      {
        "ch": 170.0,
        "easting": 451816.104,
        "northing": 6510621.8736,
        "existing_z": 183.3114,
        "design_z": 183.9937,
        "delta_z": 0.6824
      },
      {
        "ch": 178.7284,
        "easting": 451823.6629,
        "northing": 6510617.5094,
        "existing_z": 184.4341,
        "design_z": 184.9252,
        "delta_z": 0.4911
      },
      {
        "ch": 180.0,
        "easting": 451824.7642,
        "northing": 6510616.8736,
        "existing_z": 184.5935,
        "design_z": 185.0678,
        "delta_z": 0.4743
      },
      {
        "ch": 190.0,
        "easting": 451833.4245,
        "northing": 6510611.8736,
        "existing_z": 185.84,
        "design_z": 186.1892,
        "delta_z": 0.3493
      },
      {
        "ch": 200.0,
        "easting": 451842.0848,
        "northing": 6510606.8737,
        "existing_z": 187.1589,
        "design_z": 187.3107,
        "delta_z": 0.1517
      },
      {
        "ch": 210.0,
        "easting": 451850.745,
        "northing": 6510601.8737,
        "existing_z": 188.4673,
        "design_z": 188.4321,
        "delta_z": -0.0352
      },
      {
        "ch": 218.0925,
        "easting": 451857.7534,
        "northing": 6510597.8274,
        "existing_z": 189.4734,
        "design_z": 189.3396,
        "delta_z": -0.1338
      },
      {
        "ch": 220.0,
        "easting": 451859.4053,
        "northing": 6510596.8737,
        "existing_z": 189.704,
        "design_z": 189.5532,
        "delta_z": -0.1508
      },
      {
        "ch": 230.0,
        "easting": 451868.0656,
        "northing": 6510591.8737,
        "existing_z": 190.8722,
        "design_z": 190.6628,
        "delta_z": -0.2093
      },
      {
        "ch": 238.0925,
        "easting": 451875.0739,
        "northing": 6510587.8275,
        "existing_z": 191.8445,
        "design_z": 191.5483,
        "delta_z": -0.2961
      },
      {
        "ch": 240.0,
        "easting": 451876.7258,
        "northing": 6510586.8738,
        "existing_z": 192.0826,
        "design_z": 191.7554,
        "delta_z": -0.3272
      },
      {
        "ch": 250.0,
        "easting": 451885.3861,
        "northing": 6510581.8738,
        "existing_z": 193.2798,
        "design_z": 192.831,
        "delta_z": -0.4487
      },
      {
        "ch": 258.0925,
        "easting": 451892.3945,
        "northing": 6510577.8275,
        "existing_z": 194.1959,
        "design_z": 193.689,
        "delta_z": -0.5069
      },
      {
        "ch": 260.0,
        "easting": 451894.0464,
        "northing": 6510576.8738,
        "existing_z": 194.4086,
        "design_z": 193.8899,
        "delta_z": -0.5187
      },
      {
        "ch": 270.0,
        "easting": 451902.7067,
        "northing": 6510571.8738,
        "existing_z": 195.477,
        "design_z": 194.9432,
        "delta_z": -0.5338
      },
      {
        "ch": 280.0,
        "easting": 451911.3669,
        "northing": 6510566.8739,
        "existing_z": 196.5559,
        "design_z": 195.9965,
        "delta_z": -0.5594
      },
      {
        "ch": 290.0,
        "easting": 451920.0272,
        "northing": 6510561.8739,
        "existing_z": 197.6303,
        "design_z": 197.0498,
        "delta_z": -0.5806
      },
      {
        "ch": 297.4567,
        "easting": 451926.4849,
        "northing": 6510558.1456,
        "existing_z": 198.3827,
        "design_z": 197.8352,
        "delta_z": -0.5475
      },
      {
        "ch": 300.0,
        "easting": 451928.6875,
        "northing": 6510556.8739,
        "existing_z": 198.6298,
        "design_z": 198.1012,
        "delta_z": -0.5286
      },
      {
        "ch": 310.0,
        "easting": 451937.3477,
        "northing": 6510551.874,
        "existing_z": 199.5541,
        "design_z": 199.1112,
        "delta_z": -0.4429
      },
      {
        "ch": 317.4567,
        "easting": 451943.8054,
        "northing": 6510548.1456,
        "existing_z": 200.2366,
        "design_z": 199.827,
        "delta_z": -0.4096
      },
      {
        "ch": 320.0,
        "easting": 451946.008,
        "northing": 6510546.874,
        "existing_z": 200.4725,
        "design_z": 200.0638,
        "delta_z": -0.4087
      },
      {
        "ch": 330.0,
        "easting": 451954.6683,
        "northing": 6510541.874,
        "existing_z": 201.3761,
        "design_z": 200.959,
        "delta_z": -0.417
      },
      {
        "ch": 337.4567,
        "easting": 451961.126,
        "northing": 6510538.1457,
        "existing_z": 202.0228,
        "design_z": 201.5892,
        "delta_z": -0.4335
      },
      {
        "ch": 340.0,
        "easting": 451963.3285,
        "northing": 6510536.874,
        "existing_z": 202.2359,
        "design_z": 201.7987,
        "delta_z": -0.4372
      },
      {
        "ch": 350.0,
        "easting": 451971.9888,
        "northing": 6510531.8741,
        "existing_z": 203.0599,
        "design_z": 202.6224,
        "delta_z": -0.4375
      },
      {
        "ch": 360.0,
        "easting": 451980.6491,
        "northing": 6510526.8741,
        "existing_z": 203.9538,
        "design_z": 203.4462,
        "delta_z": -0.5077
      },
      {
        "ch": 370.0,
        "easting": 451989.3094,
        "northing": 6510521.8741,
        "existing_z": 204.8202,
        "design_z": 204.2699,
        "delta_z": -0.5503
      },
      {
        "ch": 376.8209,
        "easting": 451995.2164,
        "northing": 6510518.4637,
        "existing_z": 205.3975,
        "design_z": 204.8317,
        "delta_z": -0.5658
      },
      {
        "ch": 380.0,
        "easting": 451997.9696,
        "northing": 6510516.8741,
        "existing_z": 205.6597,
        "design_z": 205.0898,
        "delta_z": -0.5699
      },
      {
        "ch": 390.0,
        "easting": 452006.6299,
        "northing": 6510511.8742,
        "existing_z": 206.4514,
        "design_z": 205.8526,
        "delta_z": -0.5987
      },
      {
        "ch": 396.8209,
        "easting": 452012.537,
        "northing": 6510508.4637,
        "existing_z": 206.9675,
        "design_z": 206.3301,
        "delta_z": -0.6373
      },
      {
        "ch": 400.0,
        "easting": 452015.2902,
        "northing": 6510506.8742,
        "existing_z": 207.2034,
        "design_z": 206.5409,
        "delta_z": -0.6625
      },
      {
        "ch": 410.0,
        "easting": 452023.9504,
        "northing": 6510501.8742,
        "existing_z": 207.9175,
        "design_z": 207.1546,
        "delta_z": -0.7629
      },
      {
        "ch": 416.8209,
        "easting": 452029.8575,
        "northing": 6510498.4638,
        "existing_z": 208.38,
        "design_z": 207.5305,
        "delta_z": -0.8495
      },
      {
        "ch": 420.0,
        "easting": 452032.6107,
        "northing": 6510496.8743,
        "existing_z": 208.5798,
        "design_z": 207.6976,
        "delta_z": -0.8822
      },
      {
        "ch": 430.0,
        "easting": 452041.271,
        "northing": 6510491.8743,
        "existing_z": 209.1768,
        "design_z": 208.2233,
        "delta_z": -0.9535
      },
      {
        "ch": 440.0,
        "easting": 452049.9312,
        "northing": 6510486.8743,
        "existing_z": 209.7009,
        "design_z": 208.7489,
        "delta_z": -0.9519
      },
      {
        "ch": 450.0,
        "easting": 452058.5915,
        "northing": 6510481.8743,
        "existing_z": 210.1151,
        "design_z": 209.2746,
        "delta_z": -0.8405
      },
      {
        "ch": 456.1851,
        "easting": 452063.9479,
        "northing": 6510478.7818,
        "existing_z": 210.3426,
        "design_z": 209.5997,
        "delta_z": -0.7429
      },
      {
        "ch": 460.0,
        "easting": 452067.2518,
        "northing": 6510476.8744,
        "existing_z": 210.4721,
        "design_z": 209.7973,
        "delta_z": -0.6748
      },
      {
        "ch": 470.0,
        "easting": 452075.912,
        "northing": 6510471.8744,
        "existing_z": 210.7497,
        "design_z": 210.287,
        "delta_z": -0.4626
      },
      {
        "ch": 476.1851,
        "easting": 452081.2685,
        "northing": 6510468.7819,
        "existing_z": 210.8812,
        "design_z": 210.5695,
        "delta_z": -0.3117
      },
      {
        "ch": 480.0,
        "easting": 452084.5723,
        "northing": 6510466.8744,
        "existing_z": 210.9432,
        "design_z": 210.736,
        "delta_z": -0.2072
      },
      {
        "ch": 490.0,
        "easting": 452093.2326,
        "northing": 6510461.8744,
        "existing_z": 211.1114,
        "design_z": 211.1441,
        "delta_z": 0.0327
      },
      {
        "ch": 496.1851,
        "easting": 452098.589,
        "northing": 6510458.7819,
        "existing_z": 211.238,
        "design_z": 211.3762,
        "delta_z": 0.1382
      },
      {
        "ch": 500.0,
        "easting": 452101.8929,
        "northing": 6510456.8745,
        "existing_z": 211.3237,
        "design_z": 211.5145,
        "delta_z": 0.1908
      },
      {
        "ch": 510.0,
        "easting": 452110.5531,
        "northing": 6510451.8745,
        "existing_z": 211.5789,
        "design_z": 211.877,
        "delta_z": 0.2982
      },
      {
        "ch": 520.0,
        "easting": 452119.2134,
        "northing": 6510446.8745,
        "existing_z": 211.9212,
        "design_z": 212.2396,
        "delta_z": 0.3184
      },
      {
        "ch": 530.0,
        "easting": 452127.8737,
        "northing": 6510441.8746,
        "existing_z": 212.3257,
        "design_z": 212.6022,
        "delta_z": 0.2764
      },
      {
        "ch": 540.0,
        "easting": 452136.5339,
        "northing": 6510436.8746,
        "existing_z": 212.7332,
        "design_z": 212.9647,
        "delta_z": 0.2315
      },
      {
        "ch": 550.0,
        "easting": 452145.1942,
        "northing": 6510431.8746,
        "existing_z": 213.2201,
        "design_z": 213.3273,
        "delta_z": 0.1071
      },
      {
        "ch": 555.5492,
        "easting": 452150.0,
        "northing": 6510429.1,
        "existing_z": 213.5285,
        "design_z": 213.5285,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD167",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 33.015,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 2.06,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451505.91,
          6510570.03
        ],
        "end": [
          451534.50135558395,
          6510553.522347871
        ],
        "chainage_start": 0,
        "length": 33.01466633093825
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451505.91,
        "northing": 6510570.03,
        "existing_z": 159.2359,
        "design_z": 159.2359,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451514.5702,
        "northing": 6510565.0299,
        "existing_z": 158.653,
        "design_z": 159.0304,
        "delta_z": 0.3774
      },
      {
        "ch": 20.0,
        "easting": 451523.2304,
        "northing": 6510560.0298,
        "existing_z": 158.3974,
        "design_z": 158.8249,
        "delta_z": 0.4275
      },
      {
        "ch": 30.0,
        "easting": 451531.8906,
        "northing": 6510555.0297,
        "existing_z": 158.4156,
        "design_z": 158.6193,
        "delta_z": 0.2038
      },
      {
        "ch": 33.0147,
        "easting": 451534.5014,
        "northing": 6510553.5223,
        "existing_z": 158.5574,
        "design_z": 158.5574,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD168",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 4.016,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.93,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452450.0,
          6510572.258773107
        ],
        "end": [
          452452.839571816,
          6510569.4191350965
        ],
        "chainage_start": 0,
        "length": 4.015807780423353
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 452450.0,
        "northing": 6510572.2588,
        "existing_z": 183.2208,
        "design_z": 183.2208,
        "delta_z": 0.0
      },
      {
        "ch": 4.0158,
        "easting": 452452.8396,
        "northing": 6510569.4191,
        "existing_z": 182.9022,
        "design_z": 182.9022,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD169",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 30.751,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 9.48,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450052.84,
          6510569.41
        ],
        "end": [
          450030.0,
          6510590.0
        ],
        "chainage_start": 0,
        "length": 30.750832508974998
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450052.84,
        "northing": 6510569.41,
        "existing_z": 205.1718,
        "design_z": 205.1718,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450045.4126,
        "northing": 6510576.1058,
        "existing_z": 206.2811,
        "design_z": 206.1198,
        "delta_z": -0.1612
      },
      {
        "ch": 20.0,
        "easting": 450037.9851,
        "northing": 6510582.8015,
        "existing_z": 207.3092,
        "design_z": 207.0678,
        "delta_z": -0.2414
      },
      {
        "ch": 30.0,
        "easting": 450030.5577,
        "northing": 6510589.4973,
        "existing_z": 208.0437,
        "design_z": 208.0158,
        "delta_z": -0.0279
      },
      {
        "ch": 30.7508,
        "easting": 450030.0,
        "northing": 6510590.0,
        "existing_z": 208.087,
        "design_z": 208.087,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD170",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 2.26,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.86,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450030.0,
          6510590.0
        ],
        "end": [
          450030.0,
          6510592.26
        ],
        "chainage_start": 0,
        "length": 2.2599999997764826
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450030.0,
        "northing": 6510590.0,
        "existing_z": 208.087,
        "design_z": 208.087,
        "delta_z": 0.0
      },
      {
        "ch": 2.26,
        "easting": 450030.0,
        "northing": 6510592.26,
        "existing_z": 207.9547,
        "design_z": 207.9547,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD171",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 78.445,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.45,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451067.1613915154,
          6510569.420088487
        ],
        "end": [
          451122.63,
          6510624.89
        ],
        "chainage_start": 0,
        "length": 78.44537979045842
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451067.1614,
        "northing": 6510569.4201,
        "existing_z": 168.0177,
        "design_z": 168.0177,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451074.2324,
        "northing": 6510576.4912,
        "existing_z": 169.5008,
        "design_z": 169.2628,
        "delta_z": -0.238
      },
      {
        "ch": 20.0,
        "easting": 451081.3034,
        "northing": 6510583.5624,
        "existing_z": 170.8513,
        "design_z": 170.5079,
        "delta_z": -0.3434
      },
      {
        "ch": 30.0,
        "easting": 451088.3743,
        "northing": 6510590.6335,
        "existing_z": 172.2203,
        "design_z": 171.7529,
        "delta_z": -0.4674
      },
      {
        "ch": 40.0,
        "easting": 451095.4453,
        "northing": 6510597.7047,
        "existing_z": 173.3009,
        "design_z": 172.998,
        "delta_z": -0.3029
      },
      {
        "ch": 50.0,
        "easting": 451102.5163,
        "northing": 6510604.7758,
        "existing_z": 174.3831,
        "design_z": 174.243,
        "delta_z": -0.14
      },
      {
        "ch": 60.0,
        "easting": 451109.5873,
        "northing": 6510611.847,
        "existing_z": 175.552,
        "design_z": 175.4881,
        "delta_z": -0.0638
      },
      {
        "ch": 70.0,
        "easting": 451116.6583,
        "northing": 6510618.9181,
        "existing_z": 176.7112,
        "design_z": 176.7332,
        "delta_z": 0.022
      },
      {
        "ch": 78.4454,
        "easting": 451122.63,
        "northing": 6510624.89,
        "existing_z": 177.7847,
        "design_z": 177.7847,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD172",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 74.431,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 9.46,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452397.37,
          6510624.89
        ],
        "end": [
          452450.0,
          6510572.258773107
        ],
        "chainage_start": 0,
        "length": 74.43092733682047
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 452397.37,
        "northing": 6510624.89,
        "existing_z": 190.2635,
        "design_z": 190.2635,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452404.441,
        "northing": 6510617.8188,
        "existing_z": 189.0686,
        "design_z": 189.3173,
        "delta_z": 0.2488
      },
      {
        "ch": 20.0,
        "easting": 452411.512,
        "northing": 6510610.7477,
        "existing_z": 187.924,
        "design_z": 188.3711,
        "delta_z": 0.4471
      },
      {
        "ch": 30.0,
        "easting": 452418.583,
        "northing": 6510603.6765,
        "existing_z": 187.0039,
        "design_z": 187.4249,
        "delta_z": 0.421
      },
      {
        "ch": 40.0,
        "easting": 452425.6539,
        "northing": 6510596.6054,
        "existing_z": 186.0893,
        "design_z": 186.4787,
        "delta_z": 0.3894
      },
      {
        "ch": 50.0,
        "easting": 452432.7249,
        "northing": 6510589.5342,
        "existing_z": 185.1804,
        "design_z": 185.5325,
        "delta_z": 0.3521
      },
      {
        "ch": 60.0,
        "easting": 452439.7959,
        "northing": 6510582.4631,
        "existing_z": 184.3941,
        "design_z": 184.5863,
        "delta_z": 0.1921
      },
      {
        "ch": 70.0,
        "easting": 452446.8669,
        "northing": 6510575.3919,
        "existing_z": 183.5859,
        "design_z": 183.64,
        "delta_z": 0.0541
      },
      {
        "ch": 74.4309,
        "easting": 452450.0,
        "northing": 6510572.2588,
        "existing_z": 183.2208,
        "design_z": 183.2208,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD173",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 60.647,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.87,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452452.839571816,
          6510569.4191350965
        ],
        "end": [
          452450.0,
          6510630.0
        ],
        "chainage_start": 0,
        "length": 60.647377194370556
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 452452.8396,
        "northing": 6510569.4191,
        "existing_z": 182.9022,
        "design_z": 182.9022,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452452.3714,
        "northing": 6510579.4082,
        "existing_z": 183.4193,
        "design_z": 183.589,
        "delta_z": 0.1697
      },
      {
        "ch": 20.0,
        "easting": 452451.9032,
        "northing": 6510589.3972,
        "existing_z": 183.9464,
        "design_z": 184.2757,
        "delta_z": 0.3293
      },
      {
        "ch": 30.0,
        "easting": 452451.4349,
        "northing": 6510599.3862,
        "existing_z": 184.6354,
        "design_z": 184.9625,
        "delta_z": 0.3271
      },
      {
        "ch": 40.0,
        "easting": 452450.9667,
        "northing": 6510609.3753,
        "existing_z": 185.3281,
        "design_z": 185.6493,
        "delta_z": 0.3212
      },
      {
        "ch": 50.0,
        "easting": 452450.4985,
        "northing": 6510619.3643,
        "existing_z": 186.1721,
        "design_z": 186.3361,
        "delta_z": 0.1639
      },
      {
        "ch": 60.0,
        "easting": 452450.0303,
        "northing": 6510629.3533,
        "existing_z": 187.0133,
        "design_z": 187.0228,
        "delta_z": 0.0095
      },
      {
        "ch": 60.6474,
        "easting": 452450.0,
        "northing": 6510630.0,
        "existing_z": 187.0673,
        "design_z": 187.0673,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD174",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 17.74,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.86,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450030.0,
          6510592.26
        ],
        "end": [
          450030.0,
          6510610.0
        ],
        "chainage_start": 0,
        "length": 17.740000000223517
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450030.0,
        "northing": 6510592.26,
        "existing_z": 207.9547,
        "design_z": 207.9547,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450030.0,
        "northing": 6510602.26,
        "existing_z": 207.3692,
        "design_z": 207.3692,
        "delta_z": -0.0
      },
      {
        "ch": 17.74,
        "easting": 450030.0,
        "northing": 6510610.0,
        "existing_z": 206.916,
        "design_z": 206.916,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD175",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 57.741,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 6.66,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452450.0,
          6510630.0
        ],
        "end": [
          452450.0,
          6510572.258773107
        ],
        "chainage_start": 0,
        "length": 57.74122689291835
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 452450.0,
        "northing": 6510630.0,
        "existing_z": 187.0673,
        "design_z": 187.0673,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452450.0,
        "northing": 6510620.0,
        "existing_z": 186.2406,
        "design_z": 186.4011,
        "delta_z": 0.1605
      },
      {
        "ch": 20.0,
        "easting": 452450.0,
        "northing": 6510610.0,
        "existing_z": 185.4139,
        "design_z": 185.735,
        "delta_z": 0.321
      },
      {
        "ch": 30.0,
        "easting": 452450.0,
        "northing": 6510600.0,
        "existing_z": 184.7529,
        "design_z": 185.0688,
        "delta_z": 0.3159
      },
      {
        "ch": 40.0,
        "easting": 452450.0,
        "northing": 6510590.0,
        "existing_z": 184.0919,
        "design_z": 184.4026,
        "delta_z": 0.3108
      },
      {
        "ch": 50.0,
        "easting": 452450.0,
        "northing": 6510580.0,
        "existing_z": 183.6009,
        "design_z": 183.7365,
        "delta_z": 0.1356
      },
      {
        "ch": 57.7412,
        "easting": 452450.0,
        "northing": 6510572.2588,
        "existing_z": 183.2208,
        "design_z": 183.2208,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD176",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 46.146,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.52,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449997.37,
          6510624.89
        ],
        "end": [
          450030.0,
          6510592.26
        ],
        "chainage_start": 0,
        "length": 46.14578854015836
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449997.37,
        "northing": 6510624.89,
        "existing_z": 205.8681,
        "design_z": 205.8681,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450004.4411,
        "northing": 6510617.8189,
        "existing_z": 207.0577,
        "design_z": 206.3203,
        "delta_z": -0.7374
      },
      {
        "ch": 20.0,
        "easting": 450011.5121,
        "northing": 6510610.7479,
        "existing_z": 207.9319,
        "design_z": 206.7725,
        "delta_z": -1.1594
      },
      {
        "ch": 30.0,
        "easting": 450018.5832,
        "northing": 6510603.6768,
        "existing_z": 208.19,
        "design_z": 207.2246,
        "delta_z": -0.9654
      },
      {
        "ch": 40.0,
        "easting": 450025.6543,
        "northing": 6510596.6057,
        "existing_z": 208.1357,
        "design_z": 207.6768,
        "delta_z": -0.4589
      },
      {
        "ch": 46.1458,
        "easting": 450030.0,
        "northing": 6510592.26,
        "existing_z": 207.9547,
        "design_z": 207.9547,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD177",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 195.257,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.9,
    "radius_review_count": 4,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450950.0,
          6510593.671089225
        ],
        "end": [
          450992.9458284122,
          6510636.615910583
        ],
        "chainage_start": 0,
        "length": 60.73386089700442
      },
      {
        "type": "ARC",
        "centre": [
          450988.6293192496,
          6510640.932520968
        ],
        "radius": 6.1045373749974345,
        "start_angle_rad": -0.7854098882591555,
        "sweep_rad": 1.3637748024302074,
        "start": [
          450992.9458284122,
          6510636.615910583
        ],
        "end": [
          450993.741,
          6510644.2696
        ],
        "chainage_start": 60.73386089700442,
        "length": 8.325214252514943,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450993.74100000004,
          6510644.2696
        ],
        "end": [
          450992.70900000003,
          6510645.8504
        ],
        "chainage_start": 69.05907514951936,
        "length": 1.887843383042384
      },
      {
        "type": "ARC",
        "centre": [
          450994.9555888812,
          6510647.3170496235
        ],
        "radius": 2.6829503760658984,
        "start_angle_rad": -2.5632277394904164,
        "sweep_rad": -2.149161240982451,
        "start": [
          450992.70900000003,
          6510645.8504
        ],
        "end": [
          450994.9555888812,
          6510650.0
        ],
        "chainage_start": 70.94691853256174,
        "length": 5.766092959720121,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450994.95558888145,
          6510649.999999999
        ],
        "end": [
          451001.6,
          6510650.0
        ],
        "chainage_start": 76.71301149228186,
        "length": 6.644411118526477
      },
      {
        "type": "ARC",
        "centre": [
          451001.6,
          6510629.7206060765
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451001.6,
          6510650.0
        ],
        "end": [
          451015.93969696196,
          6510644.060303038
        ],
        "chainage_start": 83.35742261080834,
        "length": 15.927398742671137,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451015.93969696196,
          6510644.060303039
        ],
        "end": [
          451063.8302124655,
          6510596.1697875345
        ],
        "chainage_start": 99.28482135347949,
        "length": 67.72741653475101
      },
      {
        "type": "ARC",
        "centre": [
          451051.4157617731,
          6510583.7553368425
        ],
        "radius": 17.556684538567534,
        "start_angle_rad": 0.7853981633833822,
        "sweep_rad": -0.9224643377082105,
        "start": [
          451063.8302124655,
          6510596.1697875345
        ],
        "end": [
          451068.80778443645,
          6510581.356437164
        ],
        "chainage_start": 167.01223788823052,
        "length": 16.19541537522168,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451068.80778443645,
          6510581.356437164
        ],
        "end": [
          451067.1613915154,
          6510569.420088487
        ],
        "chainage_start": 183.2076532634522,
        "length": 12.049358049456979
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 65.08567043763638,
        "pvi_z": 165.14017856247816,
        "bvc": 45.00566256166227,
        "evc": 85.1656783136105,
        "length": 40.16001575194822,
        "g1": 0.1289634533797435,
        "g2": 0.062030093793163134,
        "z_bvc": 162.5505914029001,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 130.17134087527276,
        "pvi_z": 169.17744880431565,
        "bvc": 106.2168834369658,
        "evc": 154.1257983135797,
        "length": 47.90891487661392,
        "g1": 0.062030093793163134,
        "g2": -0.017818097667860064,
        "z_bvc": 167.69155156265313,
        "K_m_per_percent": 6.0
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450950.0,
        "northing": 6510593.6711,
        "existing_z": 156.7465,
        "design_z": 156.7465,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450957.0712,
        "northing": 6510600.7421,
        "existing_z": 157.9415,
        "design_z": 158.0361,
        "delta_z": 0.0946
      },
      {
        "ch": 20.0,
        "easting": 450964.1423,
        "northing": 6510607.8131,
        "existing_z": 159.1887,
        "design_z": 159.3258,
        "delta_z": 0.1371
      },
      {
        "ch": 30.0,
        "easting": 450971.2135,
        "northing": 6510614.884,
        "existing_z": 160.552,
        "design_z": 160.6154,
        "delta_z": 0.0634
      },
      {
        "ch": 40.0,
        "easting": 450978.2846,
        "northing": 6510621.955,
        "existing_z": 162.0749,
        "design_z": 161.905,
        "delta_z": -0.1699
      },
      {
        "ch": 45.0057,
        "easting": 450981.8242,
        "northing": 6510625.4945,
        "existing_z": 162.8526,
        "design_z": 162.5506,
        "delta_z": -0.302
      },
      {
        "ch": 50.0,
        "easting": 450985.3558,
        "northing": 6510629.026,
        "existing_z": 163.6388,
        "design_z": 163.1739,
        "delta_z": -0.4649
      },
      {
        "ch": 60.0,
        "easting": 450992.4269,
        "northing": 6510636.097,
        "existing_z": 165.2298,
        "design_z": 164.297,
        "delta_z": -0.9329
      },
      {
        "ch": 65.0857,
        "easting": 450994.7178,
        "northing": 6510640.4902,
        "existing_z": 165.9627,
        "design_z": 164.8042,
        "delta_z": -1.1585
      },
      {
        "ch": 70.0,
        "easting": 450993.2266,
        "northing": 6510645.0575,
        "existing_z": 166.1779,
        "design_z": 165.2534,
        "delta_z": -0.9246
      },
      {
        "ch": 80.0,
        "easting": 450998.2426,
        "northing": 6510650.0,
        "existing_z": 167.3524,
        "design_z": 166.0431,
        "delta_z": -1.3093
      },
      {
        "ch": 85.1657,
        "easting": 451003.4059,
        "northing": 6510649.9194,
        "existing_z": 168.0795,
        "design_z": 166.3857,
        "delta_z": -1.6937
      },
      {
        "ch": 90.0,
        "easting": 451008.1244,
        "northing": 6510648.9218,
        "existing_z": 168.6562,
        "design_z": 166.6856,
        "delta_z": -1.9706
      },
      {
        "ch": 100.0,
        "easting": 451016.4454,
        "northing": 6510643.5546,
        "existing_z": 169.3831,
        "design_z": 167.3059,
        "delta_z": -2.0771
      },
      {
        "ch": 106.2169,
        "easting": 451020.8414,
        "northing": 6510639.1586,
        "existing_z": 169.6152,
        "design_z": 167.6916,
        "delta_z": -1.9237
      },
      {
        "ch": 110.0,
        "easting": 451023.5165,
        "northing": 6510636.4835,
        "existing_z": 169.7518,
        "design_z": 167.9143,
        "delta_z": -1.8376
      },
      {
        "ch": 120.0,
        "easting": 451030.5875,
        "northing": 6510629.4125,
        "existing_z": 170.0879,
        "design_z": 168.3882,
        "delta_z": -1.6997
      },
      {
        "ch": 130.0,
        "easting": 451037.6586,
        "northing": 6510622.3414,
        "existing_z": 170.317,
        "design_z": 168.6955,
        "delta_z": -1.6215
      },
      {
        "ch": 130.1713,
        "easting": 451037.7798,
        "northing": 6510622.2202,
        "existing_z": 170.3208,
        "design_z": 168.6993,
        "delta_z": -1.6215
      },
      {
        "ch": 140.0,
        "easting": 451044.7297,
        "northing": 6510615.2703,
        "existing_z": 170.5307,
        "design_z": 168.836,
        "delta_z": -1.6946
      },
      {
        "ch": 150.0,
        "easting": 451051.8007,
        "northing": 6510608.1993,
        "existing_z": 170.6872,
        "design_z": 168.81,
        "delta_z": -1.8773
      },
      {
        "ch": 154.1258,
        "easting": 451054.7181,
        "northing": 6510605.2819,
        "existing_z": 170.7015,
        "design_z": 168.7506,
        "delta_z": -1.9509
      },
      {
        "ch": 160.0,
        "easting": 451058.8718,
        "northing": 6510601.1282,
        "existing_z": 170.727,
        "design_z": 168.646,
        "delta_z": -2.0811
      },
      {
        "ch": 170.0,
        "easting": 451065.7534,
        "northing": 6510593.888,
        "existing_z": 170.743,
        "design_z": 168.4678,
        "delta_z": -2.2752
      },
      {
        "ch": 180.0,
        "easting": 451068.9542,
        "northing": 6510584.5563,
        "existing_z": 170.0482,
        "design_z": 168.2896,
        "delta_z": -1.7586
      },
      {
        "ch": 190.0,
        "easting": 451067.8797,
        "northing": 6510574.6278,
        "existing_z": 168.7319,
        "design_z": 168.1114,
        "delta_z": -0.6205
      },
      {
        "ch": 195.257,
        "easting": 451067.1614,
        "northing": 6510569.4201,
        "existing_z": 168.0177,
        "design_z": 168.0177,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD178",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 40.0,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 7.06,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450030.0,
          6510610.0
        ],
        "end": [
          450030.0,
          6510650.0
        ],
        "chainage_start": 0,
        "length": 40.0
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450030.0,
        "northing": 6510610.0,
        "existing_z": 206.916,
        "design_z": 206.916,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450030.0,
        "northing": 6510620.0,
        "existing_z": 206.0934,
        "design_z": 206.2098,
        "delta_z": 0.1164
      },
      {
        "ch": 20.0,
        "easting": 450030.0,
        "northing": 6510630.0,
        "existing_z": 205.2709,
        "design_z": 205.5036,
        "delta_z": 0.2327
      },
      {
        "ch": 30.0,
        "easting": 450030.0,
        "northing": 6510640.0,
        "existing_z": 204.681,
        "design_z": 204.7974,
        "delta_z": 0.1164
      },
      {
        "ch": 40.0,
        "easting": 450030.0,
        "northing": 6510650.0,
        "existing_z": 204.0912,
        "design_z": 204.0912,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD179",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 121.125,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.28,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450950.0,
          6510593.671089225
        ],
        "end": [
          450950.0,
          6510603.141857475
        ],
        "chainage_start": 0,
        "length": 9.470768249593675
      },
      {
        "type": "ARC",
        "centre": [
          450933.4429793027,
          6510603.141857475
        ],
        "radius": 16.55702069729483,
        "start_angle_rad": 0.0,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450950.0,
          6510603.141857475
        ],
        "end": [
          450945.150560914,
          6510614.849439086
        ],
        "chainage_start": 9.470768249593675,
        "length": 13.003853646988901,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450945.150560914,
          6510614.849439086
        ],
        "end": [
          450925.1973481485,
          6510634.802651851
        ],
        "chainage_start": 22.474621896582576,
        "length": 28.218104105572532
      },
      {
        "type": "ARC",
        "centre": [
          450961.8869921608,
          6510671.492295864
        ],
        "radius": 51.8869921608216,
        "start_angle_rad": -2.3561944901883787,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450925.1973481485,
          6510634.802651851
        ],
        "end": [
          450910.0,
          6510671.492295864
        ],
        "chainage_start": 50.69272600215511,
        "length": 40.75194834732709,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450910.0,
          6510671.492295864
        ],
        "end": [
          450910.0,
          6510701.172133009
        ],
        "chainage_start": 91.4446743494822,
        "length": 29.67983714491129
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 60.562255747196744,
        "pvi_z": 157.86254695784555,
        "bvc": 40.562255747196744,
        "evc": 80.56225574719674,
        "length": 40.0,
        "g1": 0.018427999531581567,
        "g2": 0.04280140601512962,
        "z_bvc": 157.4939869672139,
        "K_m_per_percent": 16.411329301466264
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450950.0,
        "northing": 6510593.6711,
        "existing_z": 156.7465,
        "design_z": 156.7465,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450949.9915,
        "northing": 6510603.671,
        "existing_z": 157.4667,
        "design_z": 156.9308,
        "delta_z": -0.5359
      },
      {
        "ch": 20.0,
        "easting": 450946.7634,
        "northing": 6510612.9756,
        "existing_z": 157.877,
        "design_z": 157.1151,
        "delta_z": -0.7619
      },
      {
        "ch": 30.0,
        "easting": 450939.8293,
        "northing": 6510620.1707,
        "existing_z": 157.8166,
        "design_z": 157.2993,
        "delta_z": -0.5173
      },
      {
        "ch": 40.0,
        "easting": 450932.7582,
        "northing": 6510627.2418,
        "existing_z": 157.6949,
        "design_z": 157.4836,
        "delta_z": -0.2112
      },
      {
        "ch": 40.5623,
        "easting": 450932.3607,
        "northing": 6510627.6393,
        "existing_z": 157.6869,
        "design_z": 157.494,
        "delta_z": -0.1929
      },
      {
        "ch": 50.0,
        "easting": 450925.6872,
        "northing": 6510634.3128,
        "existing_z": 157.5448,
        "design_z": 157.695,
        "delta_z": 0.1503
      },
      {
        "ch": 60.0,
        "easting": 450919.24,
        "northing": 6510641.9373,
        "existing_z": 157.4855,
        "design_z": 157.9673,
        "delta_z": 0.4818
      },
      {
        "ch": 60.5623,
        "easting": 450918.9223,
        "northing": 6510642.4012,
        "existing_z": 157.4888,
        "design_z": 157.9844,
        "delta_z": 0.4956
      },
      {
        "ch": 70.0,
        "easting": 450914.3688,
        "northing": 6510650.6529,
        "existing_z": 157.6445,
        "design_z": 158.3005,
        "delta_z": 0.656
      },
      {
        "ch": 80.0,
        "easting": 450911.2571,
        "northing": 6510660.1402,
        "existing_z": 157.9732,
        "design_z": 158.6946,
        "delta_z": 0.7214
      },
      {
        "ch": 80.5623,
        "easting": 450911.137,
        "northing": 6510660.6895,
        "existing_z": 157.9982,
        "design_z": 158.7186,
        "delta_z": 0.7203
      },
      {
        "ch": 90.0,
        "easting": 450910.0201,
        "northing": 6510670.0478,
        "existing_z": 158.5154,
        "design_z": 159.1225,
        "delta_z": 0.6071
      },
      {
        "ch": 100.0,
        "easting": 450910.0,
        "northing": 6510680.0476,
        "existing_z": 159.1426,
        "design_z": 159.5505,
        "delta_z": 0.4079
      },
      {
        "ch": 110.0,
        "easting": 450910.0,
        "northing": 6510690.0476,
        "existing_z": 159.7717,
        "design_z": 159.9786,
        "delta_z": 0.2069
      },
      {
        "ch": 120.0,
        "easting": 450910.0,
        "northing": 6510700.0476,
        "existing_z": 160.3857,
        "design_z": 160.4066,
        "delta_z": 0.0209
      },
      {
        "ch": 121.1245,
        "easting": 450910.0,
        "northing": 6510701.1721,
        "existing_z": 160.4547,
        "design_z": 160.4547,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD180",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 50.12,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 0.3,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450030.0,
          6510650.0
        ],
        "end": [
          450030.0,
          6510700.12
        ],
        "chainage_start": 0,
        "length": 50.12000000011176
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450030.0,
        "northing": 6510650.0,
        "existing_z": 204.0912,
        "design_z": 204.0912,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450030.0,
        "northing": 6510660.0,
        "existing_z": 203.8765,
        "design_z": 204.1212,
        "delta_z": 0.2447
      },
      {
        "ch": 20.0,
        "easting": 450030.0,
        "northing": 6510670.0,
        "existing_z": 203.6617,
        "design_z": 204.1512,
        "delta_z": 0.4894
      },
      {
        "ch": 30.0,
        "easting": 450030.0,
        "northing": 6510680.0,
        "existing_z": 203.7901,
        "design_z": 204.1812,
        "delta_z": 0.3911
      },
      {
        "ch": 40.0,
        "easting": 450030.0,
        "northing": 6510690.0,
        "existing_z": 203.9184,
        "design_z": 204.2112,
        "delta_z": 0.2927
      },
      {
        "ch": 50.0,
        "easting": 450030.0,
        "northing": 6510700.0,
        "existing_z": 204.2377,
        "design_z": 204.2411,
        "delta_z": 0.0035
      },
      {
        "ch": 50.12,
        "easting": 450030.0,
        "northing": 6510700.12,
        "existing_z": 204.2415,
        "design_z": 204.2415,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD181",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 89.383,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 9.62,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449959.8799999999,
          6510700.12
        ],
        "end": [
          449965.7496,
          6510694.2504
        ],
        "chainage_start": 0,
        "length": 8.300867925671664
      },
      {
        "type": "ARC",
        "centre": [
          449976.0109733256,
          6510704.5117733255
        ],
        "radius": 14.51177332567086,
        "start_angle_rad": -2.3561944902093623,
        "sweep_rad": 0.7853981633974483,
        "start": [
          449965.7496,
          6510694.2504
        ],
        "end": [
          449976.0109733256,
          6510690.0
        ],
        "chainage_start": 8.300867925671664,
        "length": 11.397520117621974,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449976.01097332535,
          6510690.0
        ],
        "end": [
          449981.6,
          6510690.0
        ],
        "chainage_start": 19.69838804329364,
        "length": 5.589026674628258
      },
      {
        "type": "ARC",
        "centre": [
          449981.6,
          6510669.7206060765
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -0.7853981633974484,
        "start": [
          449981.6,
          6510690.0
        ],
        "end": [
          449995.93969696196,
          6510684.060303038
        ],
        "chainage_start": 25.287414717921898,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449995.93969696196,
          6510684.060303039
        ],
        "end": [
          450030.0,
          6510650.0
        ],
        "chainage_start": 41.214813460593035,
        "length": 48.16854249555726
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 44.69167797807515,
        "pvi_z": 199.9890101619485,
        "bvc": 24.69167797807515,
        "evc": 64.69167797807515,
        "length": 40.0,
        "g1": 0.09617550684039561,
        "g2": 0.09178905480075254,
        "z_bvc": 198.06550002514058,
        "K_m_per_percent": 91.1898719933454
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449959.88,
        "northing": 6510700.12,
        "existing_z": 195.6908,
        "design_z": 195.6908,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449967.0186,
        "northing": 6510693.1219,
        "existing_z": 196.1416,
        "design_z": 196.6525,
        "delta_z": 0.5109
      },
      {
        "ch": 20.0,
        "easting": 449976.3126,
        "northing": 6510690.0,
        "existing_z": 197.1114,
        "design_z": 197.6143,
        "delta_z": 0.5029
      },
      {
        "ch": 24.6917,
        "easting": 449981.0043,
        "northing": 6510690.0,
        "existing_z": 197.6736,
        "design_z": 198.0655,
        "delta_z": 0.3919
      },
      {
        "ch": 30.0,
        "easting": 449986.2703,
        "northing": 6510689.4549,
        "existing_z": 198.3217,
        "design_z": 198.5745,
        "delta_z": 0.2528
      },
      {
        "ch": 40.0,
        "easting": 449995.0555,
        "northing": 6510684.8931,
        "existing_z": 199.5452,
        "design_z": 199.5249,
        "delta_z": -0.0203
      },
      {
        "ch": 44.6917,
        "easting": 449998.3982,
        "northing": 6510681.6018,
        "existing_z": 200.0387,
        "design_z": 199.9671,
        "delta_z": -0.0716
      },
      {
        "ch": 50.0,
        "easting": 450002.1518,
        "northing": 6510677.8482,
        "existing_z": 200.5669,
        "design_z": 200.4644,
        "delta_z": -0.1025
      },
      {
        "ch": 60.0,
        "easting": 450009.2228,
        "northing": 6510670.7772,
        "existing_z": 201.4835,
        "design_z": 201.3929,
        "delta_z": -0.0905
      },
      {
        "ch": 64.6917,
        "easting": 450012.5403,
        "northing": 6510667.4597,
        "existing_z": 202.0068,
        "design_z": 201.8248,
        "delta_z": -0.182
      },
      {
        "ch": 70.0,
        "easting": 450016.2939,
        "northing": 6510663.7061,
        "existing_z": 202.582,
        "design_z": 202.312,
        "delta_z": -0.27
      },
      {
        "ch": 80.0,
        "easting": 450023.365,
        "northing": 6510656.635,
        "existing_z": 203.4765,
        "design_z": 203.2299,
        "delta_z": -0.2466
      },
      {
        "ch": 89.3834,
        "easting": 450030.0,
        "northing": 6510650.0,
        "existing_z": 204.0912,
        "design_z": 204.0912,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD182",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 158.605,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.85,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450910.0,
          6510701.172133009
        ],
        "end": [
          451063.2,
          6510660.12
        ],
        "chainage_start": 0,
        "length": 158.60491046805225
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 79.30245523402613,
        "pvi_z": 168.3701911717912,
        "bvc": 59.30245523402613,
        "evc": 99.30245523402613,
        "length": 40.0,
        "g1": 0.0998139905398726,
        "g2": 0.11854464263636703,
        "z_bvc": 166.37391136099373,
        "K_m_per_percent": 21.355369687041627
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450910.0,
        "northing": 6510701.1721,
        "existing_z": 160.4547,
        "design_z": 160.4547,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450919.6592,
        "northing": 6510698.5838,
        "existing_z": 161.1705,
        "design_z": 161.4528,
        "delta_z": 0.2823
      },
      {
        "ch": 20.0,
        "easting": 450929.3184,
        "northing": 6510695.9955,
        "existing_z": 161.8994,
        "design_z": 162.451,
        "delta_z": 0.5516
      },
      {
        "ch": 30.0,
        "easting": 450938.9777,
        "northing": 6510693.4072,
        "existing_z": 162.8237,
        "design_z": 163.4491,
        "delta_z": 0.6254
      },
      {
        "ch": 40.0,
        "easting": 450948.6369,
        "northing": 6510690.8188,
        "existing_z": 163.7666,
        "design_z": 164.4473,
        "delta_z": 0.6807
      },
      {
        "ch": 50.0,
        "easting": 450958.2961,
        "northing": 6510688.2305,
        "existing_z": 164.8132,
        "design_z": 165.4454,
        "delta_z": 0.6322
      },
      {
        "ch": 59.3025,
        "easting": 450967.2816,
        "northing": 6510685.8227,
        "existing_z": 165.7926,
        "design_z": 166.3739,
        "delta_z": 0.5813
      },
      {
        "ch": 60.0,
        "easting": 450967.9553,
        "northing": 6510685.6422,
        "existing_z": 165.8657,
        "design_z": 166.4437,
        "delta_z": 0.5779
      },
      {
        "ch": 70.0,
        "easting": 450977.6146,
        "northing": 6510683.0538,
        "existing_z": 166.9625,
        "design_z": 167.4685,
        "delta_z": 0.5059
      },
      {
        "ch": 79.3025,
        "easting": 450986.6,
        "northing": 6510680.6461,
        "existing_z": 167.9941,
        "design_z": 168.4638,
        "delta_z": 0.4698
      },
      {
        "ch": 80.0,
        "easting": 450987.2738,
        "northing": 6510680.4655,
        "existing_z": 168.0714,
        "design_z": 168.5401,
        "delta_z": 0.4688
      },
      {
        "ch": 90.0,
        "easting": 450996.933,
        "northing": 6510677.8772,
        "existing_z": 169.2485,
        "design_z": 169.6586,
        "delta_z": 0.4101
      },
      {
        "ch": 99.3025,
        "easting": 451005.9184,
        "northing": 6510675.4694,
        "existing_z": 170.3691,
        "design_z": 170.7411,
        "delta_z": 0.372
      },
      {
        "ch": 100.0,
        "easting": 451006.5922,
        "northing": 6510675.2889,
        "existing_z": 170.4532,
        "design_z": 170.8238,
        "delta_z": 0.3706
      },
      {
        "ch": 110.0,
        "easting": 451016.2514,
        "northing": 6510672.7005,
        "existing_z": 171.7512,
        "design_z": 172.0092,
        "delta_z": 0.258
      },
      {
        "ch": 120.0,
        "easting": 451025.9107,
        "northing": 6510670.1122,
        "existing_z": 173.091,
        "design_z": 173.1947,
        "delta_z": 0.1037
      },
      {
        "ch": 130.0,
        "easting": 451035.5699,
        "northing": 6510667.5239,
        "existing_z": 174.4038,
        "design_z": 174.3801,
        "delta_z": -0.0237
      },
      {
        "ch": 140.0,
        "easting": 451045.2291,
        "northing": 6510664.9356,
        "existing_z": 175.7114,
        "design_z": 175.5656,
        "delta_z": -0.1458
      },
      {
        "ch": 150.0,
        "easting": 451054.8883,
        "northing": 6510662.3472,
        "existing_z": 176.8826,
        "design_z": 176.751,
        "delta_z": -0.1315
      },
      {
        "ch": 158.6049,
        "easting": 451063.2,
        "northing": 6510660.12,
        "existing_z": 177.7711,
        "design_z": 177.7711,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD183",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 258.761,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.05,
    "radius_review_count": 5,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452508.2850000001,
          6510748.285
        ],
        "end": [
          452592.9458694973,
          6510663.624130502
        ],
        "chainage_start": 0,
        "length": 119.7285498456841
      },
      {
        "type": "ARC",
        "centre": [
          452593.3099064917,
          6510663.988167496
        ],
        "radius": 0.5148260546681801,
        "start_angle_rad": -2.3561944906720296,
        "sweep_rad": 2.93455940438056,
        "start": [
          452592.9458694973,
          6510663.624130502
        ],
        "end": [
          452593.741,
          6510664.2696
        ],
        "chainage_start": 119.7285498456841,
        "length": 1.510787640346648,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452593.74100000015,
          6510664.269599999
        ],
        "end": [
          452592.70900000003,
          6510665.8504
        ],
        "chainage_start": 121.23933748603075,
        "length": 1.887843383885873
      },
      {
        "type": "ARC",
        "centre": [
          452593.1400935083,
          6510666.131832503
        ],
        "radius": 0.5148260546698351,
        "start_angle_rad": -2.563227739342891,
        "sweep_rad": -2.934559404379899,
        "start": [
          452592.70900000003,
          6510665.8504
        ],
        "end": [
          452593.5041305027,
          6510666.495869498
        ],
        "chainage_start": 123.12718086991663,
        "length": 1.5107876403511646,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452593.50413050264,
          6510666.495869497
        ],
        "end": [
          452601.6,
          6510658.4
        ],
        "chainage_start": 124.6379685102678,
        "length": 11.449288441720446
      },
      {
        "type": "ARC",
        "centre": [
          452621.8793939239,
          6510678.679393924
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": -2.356194490203826,
        "sweep_rad": 0.7853981633974484,
        "start": [
          452601.6,
          6510658.4
        ],
        "end": [
          452621.8793939239,
          6510650.0
        ],
        "chainage_start": 136.08725695198825,
        "length": 22.524743315209697,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452621.87939392356,
          6510650.0
        ],
        "end": [
          452633.2,
          6510650.0
        ],
        "chainage_start": 158.61200026719794,
        "length": 11.320606076449621
      },
      {
        "type": "ARC",
        "centre": [
          452633.2,
          6510690.558787848
        ],
        "radius": 40.558787847868,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          452633.2,
          6510650.0
        ],
        "end": [
          452661.8793939239,
          6510661.879393924
        ],
        "chainage_start": 169.93260634364756,
        "length": 31.854797485342274,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452661.87939392397,
          6510661.879393924
        ],
        "end": [
          452684.65724258265,
          6510684.657242582
        ],
        "chainage_start": 201.78740382898985,
        "length": 32.21274249441069
      },
      {
        "type": "ARC",
        "centre": [
          452671.7586851652,
          6510697.555799999
        ],
        "radius": 18.24131483480527,
        "start_angle_rad": -0.7853981633839101,
        "sweep_rad": 0.7853981633974484,
        "start": [
          452684.65724258265,
          6510684.657242582
        ],
        "end": [
          452690.0,
          6510697.5558
        ],
        "chainage_start": 234.00014632340054,
        "length": 14.326695169210689,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452690.0,
          6510697.555799999
        ],
        "end": [
          452690.0,
          6510707.99
        ],
        "chainage_start": 248.32684149261124,
        "length": 10.434200000949204
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 64.69026037339012,
        "pvi_z": 200.56054534169004,
        "bvc": 44.69026037339012,
        "evc": 84.69026037339012,
        "length": 40.0,
        "g1": -0.08754393669174525,
        "g2": -0.1105354425176906,
        "z_bvc": 202.31142407552494,
        "K_m_per_percent": 17.39772953664522
      },
      {
        "pvi_ch": 129.38052074678023,
        "pvi_z": 193.40997878473274,
        "bvc": 109.38052074678023,
        "evc": 149.38052074678023,
        "length": 40.0,
        "g1": -0.1105354425176906,
        "g2": -0.08233282438531485,
        "z_bvc": 195.62068763508657,
        "K_m_per_percent": 14.183080383619142
      },
      {
        "pvi_ch": 194.07078112017035,
        "pvi_z": 188.08384693797012,
        "bvc": 166.80593859197356,
        "evc": 221.33562364836715,
        "length": 54.52968505639359,
        "g1": -0.08233282438531485,
        "g2": 0.008549984042007802,
        "z_bvc": 190.32863842973742,
        "K_m_per_percent": 6.000000000000001
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452508.285,
        "northing": 6510748.285,
        "existing_z": 206.2238,
        "design_z": 206.2238,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452515.3561,
        "northing": 6510741.2139,
        "existing_z": 205.734,
        "design_z": 205.3483,
        "delta_z": -0.3856
      },
      {
        "ch": 20.0,
        "easting": 452522.4271,
        "northing": 6510734.1429,
        "existing_z": 205.1558,
        "design_z": 204.4729,
        "delta_z": -0.6829
      },
      {
        "ch": 30.0,
        "easting": 452529.4982,
        "northing": 6510727.0718,
        "existing_z": 204.5115,
        "design_z": 203.5975,
        "delta_z": -0.914
      },
      {
        "ch": 40.0,
        "easting": 452536.5693,
        "northing": 6510720.0007,
        "existing_z": 203.5997,
        "design_z": 202.722,
        "delta_z": -0.8777
      },
      {
        "ch": 44.6903,
        "easting": 452539.8858,
        "northing": 6510716.6842,
        "existing_z": 203.1591,
        "design_z": 202.3114,
        "delta_z": -0.8477
      },
      {
        "ch": 50.0,
        "easting": 452543.6403,
        "northing": 6510712.9297,
        "existing_z": 202.6554,
        "design_z": 201.8385,
        "delta_z": -0.8169
      },
      {
        "ch": 60.0,
        "easting": 452550.7114,
        "northing": 6510705.8586,
        "existing_z": 201.5955,
        "design_z": 200.9038,
        "delta_z": -0.6917
      },
      {
        "ch": 64.6903,
        "easting": 452554.0279,
        "northing": 6510702.5421,
        "existing_z": 201.0226,
        "design_z": 200.4456,
        "delta_z": -0.577
      },
      {
        "ch": 70.0,
        "easting": 452557.7825,
        "northing": 6510698.7875,
        "existing_z": 200.3828,
        "design_z": 199.9116,
        "delta_z": -0.4712
      },
      {
        "ch": 80.0,
        "easting": 452564.8535,
        "northing": 6510691.7165,
        "existing_z": 199.2033,
        "design_z": 198.862,
        "delta_z": -0.3413
      },
      {
        "ch": 84.6903,
        "easting": 452568.1701,
        "northing": 6510688.3999,
        "existing_z": 198.6139,
        "design_z": 198.3498,
        "delta_z": -0.2641
      },
      {
        "ch": 90.0,
        "easting": 452571.9246,
        "northing": 6510684.6454,
        "existing_z": 197.8621,
        "design_z": 197.7629,
        "delta_z": -0.0992
      },
      {
        "ch": 100.0,
        "easting": 452578.9957,
        "northing": 6510677.5743,
        "existing_z": 196.427,
        "design_z": 196.6576,
        "delta_z": 0.2306
      },
      {
        "ch": 109.3805,
        "easting": 452585.6287,
        "northing": 6510670.9413,
        "existing_z": 195.1127,
        "design_z": 195.6207,
        "delta_z": 0.508
      },
      {
        "ch": 110.0,
        "easting": 452586.0667,
        "northing": 6510670.5033,
        "existing_z": 195.0269,
        "design_z": 195.5523,
        "delta_z": 0.5254
      },
      {
        "ch": 120.0,
        "easting": 452593.1785,
        "northing": 6510663.4904,
        "existing_z": 193.4524,
        "design_z": 194.4866,
        "delta_z": 1.0342
      },
      {
        "ch": 129.3805,
        "easting": 452596.8576,
        "northing": 6510663.1424,
        "existing_z": 193.1725,
        "design_z": 193.551,
        "delta_z": 0.3784
      },
      {
        "ch": 130.0,
        "easting": 452597.2957,
        "northing": 6510662.7043,
        "existing_z": 193.0692,
        "design_z": 193.4914,
        "delta_z": 0.4221
      },
      {
        "ch": 140.0,
        "easting": 452604.5466,
        "northing": 6510655.8303,
        "existing_z": 191.4769,
        "design_z": 192.5667,
        "delta_z": 1.0898
      },
      {
        "ch": 149.3805,
        "easting": 452612.8065,
        "northing": 6510651.473,
        "existing_z": 190.2318,
        "design_z": 191.7633,
        "delta_z": 1.5315
      },
      {
        "ch": 150.0,
        "easting": 452613.3962,
        "northing": 6510651.2833,
        "existing_z": 190.1504,
        "design_z": 191.7123,
        "delta_z": 1.562
      },
      {
        "ch": 160.0,
        "easting": 452623.2674,
        "northing": 6510650.0,
        "existing_z": 189.1118,
        "design_z": 190.889,
        "delta_z": 1.7772
      },
      {
        "ch": 166.8059,
        "easting": 452630.0733,
        "northing": 6510650.0,
        "existing_z": 188.5351,
        "design_z": 190.3286,
        "delta_z": 1.7935
      },
      {
        "ch": 170.0,
        "easting": 452633.2674,
        "northing": 6510650.0001,
        "existing_z": 188.2146,
        "design_z": 190.0742,
        "delta_z": 1.8596
      },
      {
        "ch": 180.0,
        "easting": 452643.1643,
        "northing": 6510651.243,
        "existing_z": 187.352,
        "design_z": 189.3874,
        "delta_z": 2.0354
      },
      {
        "ch": 190.0,
        "easting": 452652.4586,
        "northing": 6510654.864,
        "existing_z": 186.7584,
        "design_z": 188.8673,
        "delta_z": 2.1089
      },
      {
        "ch": 194.0708,
        "easting": 452655.9383,
        "northing": 6510656.9733,
        "existing_z": 186.6249,
        "design_z": 188.7033,
        "delta_z": 2.0784
      },
      {
        "ch": 200.0,
        "easting": 452660.5881,
        "northing": 6510660.6438,
        "existing_z": 186.4985,
        "design_z": 188.5139,
        "delta_z": 2.0153
      },
      {
        "ch": 210.0,
        "easting": 452667.6866,
        "northing": 6510667.6866,
        "existing_z": 186.3629,
        "design_z": 188.3271,
        "delta_z": 1.9643
      },
      {
        "ch": 220.0,
        "easting": 452674.7576,
        "northing": 6510674.7576,
        "existing_z": 186.356,
        "design_z": 188.307,
        "delta_z": 1.9511
      },
      {
        "ch": 221.3356,
        "easting": 452675.7021,
        "northing": 6510675.7021,
        "existing_z": 186.3671,
        "design_z": 188.317,
        "delta_z": 1.9498
      },
      {
        "ch": 230.0,
        "easting": 452681.8287,
        "northing": 6510681.8287,
        "existing_z": 186.4435,
        "design_z": 188.391,
        "delta_z": 1.9476
      },
      {
        "ch": 240.0,
        "easting": 452688.1322,
        "northing": 6510689.5151,
        "existing_z": 186.6497,
        "design_z": 188.4765,
        "delta_z": 1.8268
      },
      {
        "ch": 250.0,
        "easting": 452690.0,
        "northing": 6510699.229,
        "existing_z": 187.6235,
        "design_z": 188.562,
        "delta_z": 0.9385
      },
      {
        "ch": 258.761,
        "easting": 452690.0,
        "northing": 6510707.99,
        "existing_z": 188.6369,
        "design_z": 188.6369,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD184",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 46.146,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.95,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452690.0,
          6510707.99
        ],
        "end": [
          452722.63,
          6510675.36
        ],
        "chainage_start": 0,
        "length": 46.14578854015836
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 452690.0,
        "northing": 6510707.99,
        "existing_z": 188.6369,
        "design_z": 188.6369,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452697.0711,
        "northing": 6510700.9189,
        "existing_z": 187.8029,
        "design_z": 187.8417,
        "delta_z": 0.0388
      },
      {
        "ch": 20.0,
        "easting": 452704.1421,
        "northing": 6510693.8479,
        "existing_z": 186.8739,
        "design_z": 187.0465,
        "delta_z": 0.1726
      },
      {
        "ch": 30.0,
        "easting": 452711.2132,
        "northing": 6510686.7768,
        "existing_z": 185.9885,
        "design_z": 186.2513,
        "delta_z": 0.2628
      },
      {
        "ch": 40.0,
        "easting": 452718.2843,
        "northing": 6510679.7057,
        "existing_z": 185.3969,
        "design_z": 185.4561,
        "delta_z": 0.0591
      },
      {
        "ch": 46.1458,
        "easting": 452722.63,
        "northing": 6510675.36,
        "existing_z": 184.9673,
        "design_z": 184.9673,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD185",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 139.81,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 14.81,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452508.2850000001,
          6510748.285
        ],
        "end": [
          452467.81909088587,
          6510707.819090886
        ],
        "chainage_start": 0,
        "length": 57.22743748301016
      },
      {
        "type": "ARC",
        "centre": [
          452510.8381817718,
          6510664.8
        ],
        "radius": 60.838181771844965,
        "start_angle_rad": 2.356194490188962,
        "sweep_rad": 0.7853981633969489,
        "start": [
          452467.81909088587,
          6510707.819090886
        ],
        "end": [
          452450.0,
          6510664.8
        ],
        "chainage_start": 57.22743748301016,
        "length": 47.78219622801677,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452449.99999999994,
          6510664.8
        ],
        "end": [
          452450.0,
          6510630.0
        ],
        "chainage_start": 105.00963371102694,
        "length": 34.799999999813735
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 69.90481685542034,
        "pvi_z": 195.87283256415617,
        "bvc": 49.904816855420336,
        "evc": 89.90481685542034,
        "length": 40.0,
        "g1": -0.1480720972010079,
        "g2": -0.12596472890562724,
        "z_bvc": 198.83427450817632,
        "K_m_per_percent": 18.09351500619729
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452508.285,
        "northing": 6510748.285,
        "existing_z": 206.2238,
        "design_z": 206.2238,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452501.2139,
        "northing": 6510741.2139,
        "existing_z": 204.9728,
        "design_z": 204.7431,
        "delta_z": -0.2297
      },
      {
        "ch": 20.0,
        "easting": 452494.1429,
        "northing": 6510734.1429,
        "existing_z": 203.686,
        "design_z": 203.2623,
        "delta_z": -0.4237
      },
      {
        "ch": 30.0,
        "easting": 452487.0718,
        "northing": 6510727.0718,
        "existing_z": 202.2063,
        "design_z": 201.7816,
        "delta_z": -0.4247
      },
      {
        "ch": 40.0,
        "easting": 452480.0007,
        "northing": 6510720.0007,
        "existing_z": 200.4666,
        "design_z": 200.3009,
        "delta_z": -0.1657
      },
      {
        "ch": 49.9048,
        "easting": 452472.997,
        "northing": 6510712.997,
        "existing_z": 198.7057,
        "design_z": 198.8343,
        "delta_z": 0.1286
      },
      {
        "ch": 50.0,
        "easting": 452472.9297,
        "northing": 6510712.9297,
        "existing_z": 198.6886,
        "design_z": 198.8202,
        "delta_z": 0.1316
      },
      {
        "ch": 60.0,
        "easting": 452465.9039,
        "northing": 6510705.8146,
        "existing_z": 197.0268,
        "design_z": 197.3676,
        "delta_z": 0.3408
      },
      {
        "ch": 69.9048,
        "easting": 452459.8502,
        "northing": 6510697.989,
        "existing_z": 195.4815,
        "design_z": 195.9834,
        "delta_z": 0.5019
      },
      {
        "ch": 70.0,
        "easting": 452459.7983,
        "northing": 6510697.9091,
        "existing_z": 195.4667,
        "design_z": 195.9703,
        "delta_z": 0.5036
      },
      {
        "ch": 80.0,
        "easting": 452455.0686,
        "northing": 6510689.1112,
        "existing_z": 193.9324,
        "design_z": 194.6283,
        "delta_z": 0.6959
      },
      {
        "ch": 89.9048,
        "easting": 452451.8655,
        "northing": 6510679.7501,
        "existing_z": 192.526,
        "design_z": 193.3535,
        "delta_z": 0.8275
      },
      {
        "ch": 90.0,
        "easting": 452451.8422,
        "northing": 6510679.6578,
        "existing_z": 192.5129,
        "design_z": 193.3415,
        "delta_z": 0.8287
      },
      {
        "ch": 100.0,
        "easting": 452450.2061,
        "northing": 6510669.804,
        "existing_z": 191.1757,
        "design_z": 192.0819,
        "delta_z": 0.9062
      },
      {
        "ch": 110.0,
        "easting": 452450.0,
        "northing": 6510659.8096,
        "existing_z": 190.0494,
        "design_z": 190.8223,
        "delta_z": 0.7729
      },
      {
        "ch": 120.0,
        "easting": 452450.0,
        "northing": 6510649.8096,
        "existing_z": 188.9341,
        "design_z": 189.5626,
        "delta_z": 0.6285
      },
      {
        "ch": 130.0,
        "easting": 452450.0,
        "northing": 6510639.8096,
        "existing_z": 187.9917,
        "design_z": 188.303,
        "delta_z": 0.3112
      },
      {
        "ch": 139.8096,
        "easting": 452450.0,
        "northing": 6510630.0,
        "existing_z": 187.0673,
        "design_z": 187.0673,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD186",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 70.12,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.19,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449959.8799999999,
          6510700.12
        ],
        "end": [
          450030.0,
          6510700.12
        ],
        "chainage_start": 0,
        "length": 70.12000000011176
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449959.88,
        "northing": 6510700.12,
        "existing_z": 195.6908,
        "design_z": 195.6908,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449969.88,
        "northing": 6510700.12,
        "existing_z": 196.7326,
        "design_z": 196.9102,
        "delta_z": 0.1776
      },
      {
        "ch": 20.0,
        "easting": 449979.88,
        "northing": 6510700.12,
        "existing_z": 197.8855,
        "design_z": 198.1297,
        "delta_z": 0.2441
      },
      {
        "ch": 30.0,
        "easting": 449989.88,
        "northing": 6510700.12,
        "existing_z": 199.0398,
        "design_z": 199.3491,
        "delta_z": 0.3093
      },
      {
        "ch": 40.0,
        "easting": 449999.88,
        "northing": 6510700.12,
        "existing_z": 200.3304,
        "design_z": 200.5685,
        "delta_z": 0.2381
      },
      {
        "ch": 50.0,
        "easting": 450009.88,
        "northing": 6510700.12,
        "existing_z": 201.6227,
        "design_z": 201.788,
        "delta_z": 0.1653
      },
      {
        "ch": 60.0,
        "easting": 450019.88,
        "northing": 6510700.12,
        "existing_z": 202.9242,
        "design_z": 203.0074,
        "delta_z": 0.0832
      },
      {
        "ch": 70.0,
        "easting": 450029.88,
        "northing": 6510700.12,
        "existing_z": 204.2259,
        "design_z": 204.2269,
        "delta_z": 0.001
      },
      {
        "ch": 70.12,
        "easting": 450030.0,
        "northing": 6510700.12,
        "existing_z": 204.2415,
        "design_z": 204.2415,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD187",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 3.0,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.36,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450030.0,
          6510700.12
        ],
        "end": [
          450033.0,
          6510700.12
        ],
        "chainage_start": 0,
        "length": 3.0
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450030.0,
        "northing": 6510700.12,
        "existing_z": 204.2415,
        "design_z": 204.2415,
        "delta_z": 0.0
      },
      {
        "ch": 3.0,
        "easting": 450033.0,
        "northing": 6510700.12,
        "existing_z": 204.6122,
        "design_z": 204.6122,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD188",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 301.973,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 18.6,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450320.0,
          6510700.12
        ],
        "end": [
          450498.0,
          6510700.12
        ],
        "chainage_start": 0,
        "length": 178.0
      },
      {
        "type": "ARC",
        "centre": [
          450498.0,
          6510742.12
        ],
        "radius": 42.00000000000001,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 1.5707963267948966,
        "start": [
          450498.0,
          6510700.12
        ],
        "end": [
          450540.0,
          6510742.12
        ],
        "chainage_start": 178.0,
        "length": 65.97344572538567,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450540.0,
          6510742.12
        ],
        "end": [
          450540.0,
          6510800.12
        ],
        "chainage_start": 243.97344572538566,
        "length": 58.0
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 75.49336143134641,
        "pvi_z": 186.24523111523928,
        "bvc": 52.82647381072182,
        "evc": 98.16024905197101,
        "length": 45.33377524124918,
        "g1": -0.18595460520677268,
        "g2": -0.11039831313802405,
        "z_bvc": 190.4602432539988,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 150.98672286269283,
        "pvi_z": 177.91089136009947,
        "bvc": 123.86388148866942,
        "evc": 178.10956423671624,
        "length": 54.245682748046804,
        "g1": -0.11039831313802405,
        "g2": -0.019988841891279384,
        "z_bvc": 180.90520729530186,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 226.48008429403924,
        "pvi_z": 176.40186649460708,
        "bvc": 206.48008429403924,
        "evc": 246.48008429403924,
        "length": 40.0,
        "g1": -0.019988841891279384,
        "g2": 0.007661046001957154,
        "z_bvc": 176.80164333243266,
        "K_m_per_percent": 14.466604766880243
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450320.0,
        "northing": 6510700.12,
        "existing_z": 200.2836,
        "design_z": 200.2836,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450330.0,
        "northing": 6510700.12,
        "existing_z": 197.801,
        "design_z": 198.424,
        "delta_z": 0.623
      },
      {
        "ch": 20.0,
        "easting": 450340.0,
        "northing": 6510700.12,
        "existing_z": 195.6129,
        "design_z": 196.5645,
        "delta_z": 0.9516
      },
      {
        "ch": 30.0,
        "easting": 450350.0,
        "northing": 6510700.12,
        "existing_z": 193.4248,
        "design_z": 194.7049,
        "delta_z": 1.2802
      },
      {
        "ch": 40.0,
        "easting": 450360.0,
        "northing": 6510700.12,
        "existing_z": 191.5397,
        "design_z": 192.8454,
        "delta_z": 1.3057
      },
      {
        "ch": 50.0,
        "easting": 450370.0,
        "northing": 6510700.12,
        "existing_z": 189.6545,
        "design_z": 190.9858,
        "delta_z": 1.3313
      },
      {
        "ch": 52.8265,
        "easting": 450372.8265,
        "northing": 6510700.12,
        "existing_z": 189.1544,
        "design_z": 190.4602,
        "delta_z": 1.3059
      },
      {
        "ch": 60.0,
        "easting": 450380.0,
        "northing": 6510700.12,
        "existing_z": 187.885,
        "design_z": 189.1692,
        "delta_z": 1.2842
      },
      {
        "ch": 70.0,
        "easting": 450390.0,
        "northing": 6510700.12,
        "existing_z": 186.1154,
        "design_z": 187.5125,
        "delta_z": 1.3971
      },
      {
        "ch": 75.4934,
        "easting": 450395.4934,
        "northing": 6510700.12,
        "existing_z": 185.1741,
        "design_z": 186.6734,
        "delta_z": 1.4993
      },
      {
        "ch": 80.0,
        "easting": 450400.0,
        "northing": 6510700.12,
        "existing_z": 184.4018,
        "design_z": 186.0225,
        "delta_z": 1.6207
      },
      {
        "ch": 90.0,
        "easting": 450410.0,
        "northing": 6510700.12,
        "existing_z": 182.6882,
        "design_z": 184.6992,
        "delta_z": 2.011
      },
      {
        "ch": 98.1602,
        "easting": 450418.1602,
        "northing": 6510700.12,
        "existing_z": 181.4542,
        "design_z": 183.7428,
        "delta_z": 2.2887
      },
      {
        "ch": 100.0,
        "easting": 450420.0,
        "northing": 6510700.12,
        "existing_z": 181.1759,
        "design_z": 183.5397,
        "delta_z": 2.3638
      },
      {
        "ch": 110.0,
        "easting": 450430.0,
        "northing": 6510700.12,
        "existing_z": 179.6637,
        "design_z": 182.4358,
        "delta_z": 2.772
      },
      {
        "ch": 120.0,
        "easting": 450440.0,
        "northing": 6510700.12,
        "existing_z": 178.5807,
        "design_z": 181.3318,
        "delta_z": 2.7511
      },
      {
        "ch": 123.8639,
        "easting": 450443.8639,
        "northing": 6510700.12,
        "existing_z": 178.1622,
        "design_z": 180.9052,
        "delta_z": 2.743
      },
      {
        "ch": 130.0,
        "easting": 450450.0,
        "northing": 6510700.12,
        "existing_z": 177.4977,
        "design_z": 180.2592,
        "delta_z": 2.7615
      },
      {
        "ch": 140.0,
        "easting": 450460.0,
        "northing": 6510700.12,
        "existing_z": 176.9781,
        "design_z": 179.3408,
        "delta_z": 2.3627
      },
      {
        "ch": 150.0,
        "easting": 450470.0,
        "northing": 6510700.12,
        "existing_z": 176.4586,
        "design_z": 178.5891,
        "delta_z": 2.1305
      },
      {
        "ch": 150.9867,
        "easting": 450470.9867,
        "northing": 6510700.12,
        "existing_z": 176.4406,
        "design_z": 178.5239,
        "delta_z": 2.0834
      },
      {
        "ch": 160.0,
        "easting": 450480.0,
        "northing": 6510700.12,
        "existing_z": 176.2756,
        "design_z": 178.004,
        "delta_z": 1.7284
      },
      {
        "ch": 170.0,
        "easting": 450490.0,
        "northing": 6510700.12,
        "existing_z": 176.0927,
        "design_z": 177.5856,
        "delta_z": 1.493
      },
      {
        "ch": 178.1096,
        "easting": 450498.1096,
        "northing": 6510700.1201,
        "existing_z": 176.0094,
        "design_z": 177.3687,
        "delta_z": 1.3593
      },
      {
        "ch": 180.0,
        "easting": 450499.9992,
        "northing": 6510700.1676,
        "existing_z": 175.9935,
        "design_z": 177.3309,
        "delta_z": 1.3375
      },
      {
        "ch": 190.0,
        "easting": 450509.8374,
        "northing": 6510701.8227,
        "existing_z": 175.9986,
        "design_z": 177.1311,
        "delta_z": 1.1324
      },
      {
        "ch": 200.0,
        "easting": 450519.0077,
        "northing": 6510705.7514,
        "existing_z": 176.069,
        "design_z": 176.9312,
        "delta_z": 0.8622
      },
      {
        "ch": 206.4801,
        "easting": 450524.3471,
        "northing": 6510709.4118,
        "existing_z": 176.1596,
        "design_z": 176.8016,
        "delta_z": 0.6421
      },
      {
        "ch": 210.0,
        "easting": 450526.9926,
        "northing": 6510711.7321,
        "existing_z": 176.1827,
        "design_z": 176.7356,
        "delta_z": 0.5529
      },
      {
        "ch": 220.0,
        "easting": 450533.3418,
        "northing": 6510719.4273,
        "existing_z": 176.1901,
        "design_z": 176.5946,
        "delta_z": 0.4044
      },
      {
        "ch": 226.4801,
        "easting": 450536.4093,
        "northing": 6510725.1281,
        "existing_z": 176.2119,
        "design_z": 176.5401,
        "delta_z": 0.3283
      },
      {
        "ch": 230.0,
        "easting": 450537.6969,
        "northing": 6510728.4029,
        "existing_z": 176.2397,
        "design_z": 176.5227,
        "delta_z": 0.283
      },
      {
        "ch": 240.0,
        "easting": 450539.8122,
        "northing": 6510738.1525,
        "existing_z": 176.2932,
        "design_z": 176.52,
        "delta_z": 0.2268
      },
      {
        "ch": 246.4801,
        "easting": 450540.0,
        "northing": 6510744.6266,
        "existing_z": 176.3696,
        "design_z": 176.5551,
        "delta_z": 0.1855
      },
      {
        "ch": 250.0,
        "easting": 450540.0,
        "northing": 6510748.1466,
        "existing_z": 176.416,
        "design_z": 176.5821,
        "delta_z": 0.166
      },
      {
        "ch": 260.0,
        "easting": 450540.0,
        "northing": 6510758.1466,
        "existing_z": 176.516,
        "design_z": 176.6587,
        "delta_z": 0.1427
      },
      {
        "ch": 270.0,
        "easting": 450540.0,
        "northing": 6510768.1466,
        "existing_z": 176.6087,
        "design_z": 176.7353,
        "delta_z": 0.1266
      },
      {
        "ch": 280.0,
        "easting": 450540.0,
        "northing": 6510778.1466,
        "existing_z": 176.7126,
        "design_z": 176.8119,
        "delta_z": 0.0993
      },
      {
        "ch": 290.0,
        "easting": 450540.0,
        "northing": 6510788.1466,
        "existing_z": 176.819,
        "design_z": 176.8885,
        "delta_z": 0.0695
      },
      {
        "ch": 300.0,
        "easting": 450540.0,
        "northing": 6510798.1466,
        "existing_z": 176.9526,
        "design_z": 176.9651,
        "delta_z": 0.0125
      },
      {
        "ch": 301.9734,
        "easting": 450540.0,
        "northing": 6510800.12,
        "existing_z": 176.9802,
        "design_z": 176.9802,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD189",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 32.301,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 16.86,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452667.1600000026,
          6510730.829999997
        ],
        "end": [
          452690.0,
          6510707.99
        ],
        "chainage_start": 0,
        "length": 32.30063776068644
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 452667.16,
        "northing": 6510730.83,
        "existing_z": 194.0842,
        "design_z": 194.0842,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452674.2311,
        "northing": 6510723.7589,
        "existing_z": 192.2793,
        "design_z": 192.3977,
        "delta_z": 0.1184
      },
      {
        "ch": 20.0,
        "easting": 452681.3021,
        "northing": 6510716.6879,
        "existing_z": 190.6192,
        "design_z": 190.7113,
        "delta_z": 0.0921
      },
      {
        "ch": 30.0,
        "easting": 452688.3732,
        "northing": 6510709.6168,
        "existing_z": 188.9448,
        "design_z": 189.0249,
        "delta_z": 0.0801
      },
      {
        "ch": 32.3006,
        "easting": 452690.0,
        "northing": 6510707.99,
        "existing_z": 188.6369,
        "design_z": 188.6369,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD190",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 32.824,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 16.6,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452667.1600000026,
          6510730.829999997
        ],
        "end": [
          452689.3762454648,
          6510710.568861951
        ],
        "chainage_start": 0,
        "length": 30.067844574589884
      },
      {
        "type": "ARC",
        "centre": [
          452688.0875379147,
          6510709.1558
        ],
        "radius": 1.9124620852668863,
        "start_angle_rad": 0.8313927229645972,
        "sweep_rad": -0.831392722952303,
        "start": [
          452689.3762454648,
          6510710.568861951
        ],
        "end": [
          452690.0,
          6510709.1558
        ],
        "chainage_start": 30.067844574589884,
        "length": 1.5900070606130763,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452689.99999999994,
          6510709.1558
        ],
        "end": [
          452690.0,
          6510707.99
        ],
        "chainage_start": 31.65785163520296,
        "length": 1.1657999996095896
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 452667.16,
        "northing": 6510730.83,
        "existing_z": 194.0842,
        "design_z": 194.0842,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452674.5487,
        "northing": 6510724.0915,
        "existing_z": 192.3119,
        "design_z": 192.4246,
        "delta_z": 0.1128
      },
      {
        "ch": 20.0,
        "easting": 452681.9374,
        "northing": 6510717.3531,
        "existing_z": 190.6844,
        "design_z": 190.7651,
        "delta_z": 0.0806
      },
      {
        "ch": 30.0,
        "easting": 452689.3261,
        "northing": 6510710.6146,
        "existing_z": 189.0227,
        "design_z": 189.1055,
        "delta_z": 0.0828
      },
      {
        "ch": 32.8237,
        "easting": 452690.0,
        "northing": 6510707.99,
        "existing_z": 188.6369,
        "design_z": 188.6369,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD191",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 324.527,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.02,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449780.0,
          6510810.0
        ],
        "end": [
          449762.6,
          6510810.0
        ],
        "chainage_start": 0,
        "length": 17.400000000023283
      },
      {
        "type": "ARC",
        "centre": [
          449762.6,
          6510797.4
        ],
        "radius": 12.600000000000001,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": 1.5707963267948966,
        "start": [
          449762.6,
          6510810.0
        ],
        "end": [
          449750.0,
          6510797.4
        ],
        "chainage_start": 17.400000000023283,
        "length": 19.7920337176157,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449750.0,
          6510797.4
        ],
        "end": [
          449750.0,
          6510768.639610306
        ],
        "chainage_start": 37.19203371763898,
        "length": 28.7603896940127
      },
      {
        "type": "ARC",
        "centre": [
          449795.0,
          6510768.639610306
        ],
        "radius": 45.0,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.7853981633974484,
        "start": [
          449750.0,
          6510768.639610306
        ],
        "end": [
          449763.1801948466,
          6510736.819805154
        ],
        "chainage_start": 65.95242341165168,
        "length": 35.34291735288518,
        "target_radius": 45,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          449763.1801948466,
          6510736.819805153
        ],
        "end": [
          449785.8251239444,
          6510714.174876056
        ],
        "chainage_start": 101.29534076453686,
        "length": 32.024765848537726
      },
      {
        "type": "ARC",
        "centre": [
          449781.67537229083,
          6510710.025124402
        ],
        "radius": 5.8686350689178575,
        "start_angle_rad": 0.7853981634395286,
        "sweep_rad": -1.5768324707942687,
        "start": [
          449785.8251239444,
          6510714.174876056
        ],
        "end": [
          449785.8,
          6510705.8504
        ],
        "chainage_start": 133.32010661307459,
        "length": 9.253854335911639,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449785.80000000016,
          6510705.8504
        ],
        "end": [
          449784.2,
          6510704.2696
        ],
        "chainage_start": 142.5739609489862,
        "length": 2.2492062242861914
      },
      {
        "type": "ARC",
        "centre": [
          449785.9041663391,
          6510702.5447352845
        ],
        "radius": 2.4247352842582375,
        "start_angle_rad": 2.350158346183464,
        "sweep_rad": 2.362230634191717,
        "start": [
          449784.2,
          6510704.2696
        ],
        "end": [
          449785.9041663391,
          6510700.12
        ],
        "chainage_start": 144.8231671732724,
        "length": 5.72778396828037,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449785.9041663391,
          6510700.12
        ],
        "end": [
          449959.8799999999,
          6510700.12
        ],
        "chainage_start": 150.55095114155276,
        "length": 173.97583366080653
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 64.90535696047186,
        "pvi_z": 189.14269662336318,
        "bvc": 44.90535696047186,
        "evc": 84.90535696047186,
        "length": 40.0,
        "g1": -0.06012600642835406,
        "g2": -0.1022351719426032,
        "z_bvc": 190.34521675193025,
        "K_m_per_percent": 9.499119612442705
      },
      {
        "pvi_ch": 129.81071392094373,
        "pvi_z": 182.5070862945133,
        "bvc": 103.13268824244771,
        "evc": 156.48873959943973,
        "length": 53.35605135699202,
        "g1": -0.1022351719426032,
        "g2": -0.01330841968094984,
        "z_bvc": 185.23451883684353,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 194.7160708814156,
        "pvi_z": 181.64329856454148,
        "bvc": 165.50866024920325,
        "evc": 223.92348151362793,
        "length": 58.41482126442468,
        "g1": -0.01330841968094984,
        "g2": 0.10627667178739283,
        "z_bvc": 182.0320030430288,
        "K_m_per_percent": 4.884791285198676
      },
      {
        "pvi_ch": 259.62142784188745,
        "pvi_z": 188.54122388347312,
        "bvc": 239.62142784188745,
        "evc": 279.62142784188745,
        "length": 40.0,
        "g1": 0.10627667178739283,
        "g2": 0.11015333451968239,
        "z_bvc": 186.41569044772527,
        "K_m_per_percent": 103.18153206063417
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449780.0,
        "northing": 6510810.0,
        "existing_z": 193.0452,
        "design_z": 193.0452,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449770.0,
        "northing": 6510810.0,
        "existing_z": 192.9692,
        "design_z": 192.4439,
        "delta_z": -0.5252
      },
      {
        "ch": 20.0,
        "easting": 449760.0184,
        "northing": 6510809.7327,
        "existing_z": 193.1919,
        "design_z": 191.8427,
        "delta_z": -1.3492
      },
      {
        "ch": 30.0,
        "easting": 449751.9975,
        "northing": 6510804.2078,
        "existing_z": 193.0097,
        "design_z": 191.2414,
        "delta_z": -1.7683
      },
      {
        "ch": 40.0,
        "easting": 449750.0,
        "northing": 6510794.592,
        "existing_z": 192.4226,
        "design_z": 190.6402,
        "delta_z": -1.7825
      },
      {
        "ch": 44.9054,
        "easting": 449750.0,
        "northing": 6510789.6867,
        "existing_z": 192.0849,
        "design_z": 190.3452,
        "delta_z": -1.7397
      },
      {
        "ch": 50.0,
        "easting": 449750.0,
        "northing": 6510784.592,
        "existing_z": 191.5992,
        "design_z": 190.0252,
        "delta_z": -1.5739
      },
      {
        "ch": 60.0,
        "easting": 449750.0,
        "northing": 6510774.592,
        "existing_z": 190.6457,
        "design_z": 189.3177,
        "delta_z": -1.328
      },
      {
        "ch": 64.9054,
        "easting": 449750.0,
        "northing": 6510769.6867,
        "existing_z": 190.173,
        "design_z": 188.9322,
        "delta_z": -1.2408
      },
      {
        "ch": 70.0,
        "easting": 449750.1819,
        "northing": 6510764.5975,
        "existing_z": 189.5957,
        "design_z": 188.5049,
        "delta_z": -1.0908
      },
      {
        "ch": 80.0,
        "easting": 449752.1749,
        "northing": 6510754.8191,
        "existing_z": 188.3729,
        "design_z": 187.5868,
        "delta_z": -0.786
      },
      {
        "ch": 84.9054,
        "easting": 449753.9326,
        "northing": 6510750.2421,
        "existing_z": 187.7316,
        "design_z": 187.098,
        "delta_z": -0.6336
      },
      {
        "ch": 90.0,
        "easting": 449756.2739,
        "northing": 6510745.7204,
        "existing_z": 186.9986,
        "design_z": 186.5771,
        "delta_z": -0.4215
      },
      {
        "ch": 100.0,
        "easting": 449762.2776,
        "northing": 6510737.7488,
        "existing_z": 185.4957,
        "design_z": 185.5548,
        "delta_z": 0.059
      },
      {
        "ch": 103.1327,
        "easting": 449764.4794,
        "northing": 6510735.5206,
        "existing_z": 185.0141,
        "design_z": 185.2345,
        "delta_z": 0.2205
      },
      {
        "ch": 110.0,
        "easting": 449769.3353,
        "northing": 6510730.6647,
        "existing_z": 183.9252,
        "design_z": 184.5717,
        "delta_z": 0.6466
      },
      {
        "ch": 120.0,
        "easting": 449776.4064,
        "northing": 6510723.5936,
        "existing_z": 182.5739,
        "design_z": 183.7472,
        "delta_z": 1.1732
      },
      {
        "ch": 129.8107,
        "easting": 449783.3436,
        "northing": 6510716.6564,
        "existing_z": 181.1919,
        "design_z": 183.1002,
        "delta_z": 1.9083
      },
      {
        "ch": 130.0,
        "easting": 449783.4775,
        "northing": 6510716.5225,
        "existing_z": 181.1644,
        "design_z": 183.0893,
        "delta_z": 1.9249
      },
      {
        "ch": 140.0,
        "easting": 449787.1825,
        "northing": 6510707.9971,
        "existing_z": 179.681,
        "design_z": 182.598,
        "delta_z": 2.917
      },
      {
        "ch": 150.0,
        "easting": 449785.3579,
        "northing": 6510700.1823,
        "existing_z": 178.7492,
        "design_z": 182.2735,
        "delta_z": 3.5243
      },
      {
        "ch": 156.4887,
        "easting": 449791.842,
        "northing": 6510700.12,
        "existing_z": 178.4783,
        "design_z": 182.152,
        "delta_z": 3.6738
      },
      {
        "ch": 160.0,
        "easting": 449795.3532,
        "northing": 6510700.12,
        "existing_z": 178.4931,
        "design_z": 182.1053,
        "delta_z": 3.6122
      },
      {
        "ch": 165.5087,
        "easting": 449800.8619,
        "northing": 6510700.12,
        "existing_z": 178.5165,
        "design_z": 182.032,
        "delta_z": 3.5155
      },
      {
        "ch": 170.0,
        "easting": 449805.3532,
        "northing": 6510700.12,
        "existing_z": 178.5355,
        "design_z": 181.9929,
        "delta_z": 3.4574
      },
      {
        "ch": 180.0,
        "easting": 449815.3532,
        "northing": 6510700.12,
        "existing_z": 178.9005,
        "design_z": 182.0541,
        "delta_z": 3.1536
      },
      {
        "ch": 190.0,
        "easting": 449825.3532,
        "northing": 6510700.12,
        "existing_z": 179.5455,
        "design_z": 182.32,
        "delta_z": 2.7745
      },
      {
        "ch": 194.7161,
        "easting": 449830.0693,
        "northing": 6510700.12,
        "existing_z": 179.8527,
        "design_z": 182.5165,
        "delta_z": 2.6638
      },
      {
        "ch": 200.0,
        "easting": 449835.3532,
        "northing": 6510700.12,
        "existing_z": 180.4223,
        "design_z": 182.7907,
        "delta_z": 2.3684
      },
      {
        "ch": 210.0,
        "easting": 449845.3532,
        "northing": 6510700.12,
        "existing_z": 181.5004,
        "design_z": 183.4661,
        "delta_z": 1.9656
      },
      {
        "ch": 220.0,
        "easting": 449855.3532,
        "northing": 6510700.12,
        "existing_z": 182.7752,
        "design_z": 184.3461,
        "delta_z": 1.571
      },
      {
        "ch": 223.9235,
        "easting": 449859.2767,
        "northing": 6510700.12,
        "existing_z": 183.3423,
        "design_z": 184.7474,
        "delta_z": 1.4051
      },
      {
        "ch": 230.0,
        "easting": 449865.3532,
        "northing": 6510700.12,
        "existing_z": 184.2206,
        "design_z": 185.3932,
        "delta_z": 1.1726
      },
      {
        "ch": 239.6214,
        "easting": 449874.9746,
        "northing": 6510700.12,
        "existing_z": 185.7219,
        "design_z": 186.4157,
        "delta_z": 0.6938
      },
      {
        "ch": 240.0,
        "easting": 449875.3532,
        "northing": 6510700.12,
        "existing_z": 185.785,
        "design_z": 186.4559,
        "delta_z": 0.6709
      },
      {
        "ch": 250.0,
        "easting": 449885.3532,
        "northing": 6510700.12,
        "existing_z": 187.4528,
        "design_z": 187.5239,
        "delta_z": 0.0711
      },
      {
        "ch": 259.6214,
        "easting": 449894.9746,
        "northing": 6510700.12,
        "existing_z": 188.9258,
        "design_z": 188.5606,
        "delta_z": -0.3651
      },
      {
        "ch": 260.0,
        "easting": 449895.3532,
        "northing": 6510700.12,
        "existing_z": 188.9789,
        "design_z": 188.6016,
        "delta_z": -0.3773
      },
      {
        "ch": 270.0,
        "easting": 449905.3532,
        "northing": 6510700.12,
        "existing_z": 190.382,
        "design_z": 189.6889,
        "delta_z": -0.6931
      },
      {
        "ch": 279.6214,
        "easting": 449914.9746,
        "northing": 6510700.12,
        "existing_z": 191.5004,
        "design_z": 190.7443,
        "delta_z": -0.7561
      },
      {
        "ch": 280.0,
        "easting": 449915.3532,
        "northing": 6510700.12,
        "existing_z": 191.5359,
        "design_z": 190.786,
        "delta_z": -0.7499
      },
      {
        "ch": 290.0,
        "easting": 449925.3532,
        "northing": 6510700.12,
        "existing_z": 192.4735,
        "design_z": 191.8875,
        "delta_z": -0.5859
      },
      {
        "ch": 300.0,
        "easting": 449935.3532,
        "northing": 6510700.12,
        "existing_z": 193.3782,
        "design_z": 192.9891,
        "delta_z": -0.3891
      },
      {
        "ch": 310.0,
        "easting": 449945.3532,
        "northing": 6510700.12,
        "existing_z": 194.2543,
        "design_z": 194.0906,
        "delta_z": -0.1637
      },
      {
        "ch": 320.0,
        "easting": 449955.3532,
        "northing": 6510700.12,
        "existing_z": 195.2191,
        "design_z": 195.1921,
        "delta_z": -0.027
      },
      {
        "ch": 324.5268,
        "easting": 449959.88,
        "northing": 6510700.12,
        "existing_z": 195.6908,
        "design_z": 195.6908,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD192",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 633.582,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 14.47,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451395.88,
          6510888.87
        ],
        "end": [
          451362.81821081485,
          6510860.859717838
        ],
        "chainage_start": 0,
        "length": 43.33194907860715
      },
      {
        "type": "ARC",
        "centre": [
          451386.2518034988,
          6510833.2
        ],
        "radius": 36.25180349879406,
        "start_angle_rad": 2.2736684865935666,
        "sweep_rad": 0.8679241669952336,
        "start": [
          451362.81821081485,
          6510860.859717838
        ],
        "end": [
          451350.0,
          6510833.2
        ],
        "chainage_start": 43.33194907860715,
        "length": 31.46381635376573,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451350.0,
          6510833.2
        ],
        "end": [
          451350.0,
          6510821.222714366
        ],
        "chainage_start": 74.79576543237289,
        "length": 11.977285633794963
      },
      {
        "type": "ARC",
        "centre": [
          451374.9372913286,
          6510821.222714366
        ],
        "radius": 24.937291328628238,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.8457700961008519,
        "start": [
          451350.0,
          6510821.222714366
        ],
        "end": [
          451358.4,
          6510802.5576
        ],
        "chainage_start": 86.77305106616785,
        "length": 21.091215283508845,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451358.39999999997,
          6510802.5576
        ],
        "end": [
          451362.05656267906,
          6510799.317885467
        ],
        "chainage_start": 107.8642663496767,
        "length": 4.885304584372467
      },
      {
        "type": "ARC",
        "centre": [
          451391.8985411033,
          6510832.999576692
        ],
        "radius": 45.0,
        "start_angle_rad": -2.2958225574822113,
        "sweep_rad": 0.4632127336980101,
        "start": [
          451362.05656267906,
          6510799.317885467
        ],
        "end": [
          451380.2510707952,
          6510789.53307884
        ],
        "chainage_start": 112.74957093404916,
        "length": 20.844573016410454,
        "target_radius": 45,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          451380.25107079546,
          6510789.533078841
        ],
        "end": [
          451863.2,
          6510660.12
        ],
        "chainage_start": 133.59414395045962,
        "length": 499.987413036448
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 79.19769462336345,
        "pvi_z": 200.42390839957446,
        "bvc": 59.19769462336345,
        "evc": 99.19769462336345,
        "length": 40.0,
        "g1": -0.060013242439504996,
        "g2": -0.11242945006967903,
        "z_bvc": 201.62417324836457,
        "K_m_per_percent": 7.631227402452044
      },
      {
        "pvi_ch": 158.3953892467269,
        "pvi_z": 191.51975514628333,
        "bvc": 138.3953892467269,
        "evc": 178.3953892467269,
        "length": 40.0,
        "g1": -0.11242945006967903,
        "g2": -0.12096177111171615,
        "z_bvc": 193.7683441476769,
        "K_m_per_percent": 46.88056134189938
      },
      {
        "pvi_ch": 237.59308387009034,
        "pvi_z": 181.93986173667645,
        "bvc": 217.59308387009034,
        "evc": 257.59308387009037,
        "length": 40.0,
        "g1": -0.12096177111171615,
        "g2": -0.10613249681040933,
        "z_bvc": 184.35909715891077,
        "K_m_per_percent": 26.97367328114973
      },
      {
        "pvi_ch": 316.7907784934538,
        "pvi_z": 173.53441266467055,
        "bvc": 296.7907784934538,
        "evc": 336.7907784934538,
        "length": 40.0,
        "g1": -0.10613249681040933,
        "g2": -0.07286018609139601,
        "z_bvc": 175.65706260087873,
        "K_m_per_percent": 12.02200843151605
      },
      {
        "pvi_ch": 395.9884731168172,
        "pvi_z": 167.76405389640274,
        "bvc": 362.62283729057003,
        "evc": 429.3541089430644,
        "length": 66.73127165249431,
        "g1": -0.07286018609139601,
        "g2": 0.038358599996094526,
        "z_bvc": 170.19508033176086,
        "K_m_per_percent": 5.999999999999999
      },
      {
        "pvi_ch": 475.1861677401807,
        "pvi_z": 170.8019665850732,
        "bvc": 455.1861677401807,
        "evc": 495.1861677401807,
        "length": 40.0,
        "g1": 0.038358599996094526,
        "g2": 0.1049477081669877,
        "z_bvc": 170.0347945851513,
        "K_m_per_percent": 6.0069883947603975
      },
      {
        "pvi_ch": 554.3838623635442,
        "pvi_z": 179.11358312790415,
        "bvc": 534.3838623635442,
        "evc": 574.3838623635442,
        "length": 40.0,
        "g1": 0.1049477081669877,
        "g2": 0.1447257768356042,
        "z_bvc": 177.0146289645644,
        "K_m_per_percent": 10.05579238480188
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451395.88,
        "northing": 6510888.87,
        "existing_z": 205.1768,
        "design_z": 205.1768,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451388.2501,
        "northing": 6510882.4059,
        "existing_z": 204.9737,
        "design_z": 204.5767,
        "delta_z": -0.397
      },
      {
        "ch": 20.0,
        "easting": 451380.6202,
        "northing": 6510875.9418,
        "existing_z": 204.7524,
        "design_z": 203.9766,
        "delta_z": -0.7759
      },
      {
        "ch": 30.0,
        "easting": 451372.9903,
        "northing": 6510869.4776,
        "existing_z": 204.5395,
        "design_z": 203.3764,
        "delta_z": -1.163
      },
      {
        "ch": 40.0,
        "easting": 451365.3605,
        "northing": 6510863.0135,
        "existing_z": 204.3005,
        "design_z": 202.7763,
        "delta_z": -1.5242
      },
      {
        "ch": 50.0,
        "easting": 451358.1545,
        "northing": 6510856.1071,
        "existing_z": 204.0035,
        "design_z": 202.1762,
        "delta_z": -1.8273
      },
      {
        "ch": 59.1977,
        "easting": 451353.3042,
        "northing": 6510848.3212,
        "existing_z": 203.4511,
        "design_z": 201.6242,
        "delta_z": -1.8269
      },
      {
        "ch": 60.0,
        "easting": 451352.9777,
        "northing": 6510847.5884,
        "existing_z": 203.3939,
        "design_z": 201.5756,
        "delta_z": -1.8183
      },
      {
        "ch": 70.0,
        "easting": 451350.3168,
        "northing": 6510837.9818,
        "existing_z": 202.5211,
        "design_z": 200.8994,
        "delta_z": -1.6217
      },
      {
        "ch": 79.1977,
        "easting": 451350.0,
        "northing": 6510828.7981,
        "existing_z": 201.5182,
        "design_z": 200.1618,
        "delta_z": -1.3563
      },
      {
        "ch": 80.0,
        "easting": 451350.0,
        "northing": 6510827.9958,
        "existing_z": 201.4363,
        "design_z": 200.0922,
        "delta_z": -1.3441
      },
      {
        "ch": 90.0,
        "easting": 451350.2085,
        "northing": 6510818.0048,
        "existing_z": 200.3976,
        "design_z": 199.154,
        "delta_z": -1.2436
      },
      {
        "ch": 99.1977,
        "easting": 451353.0317,
        "northing": 6510809.3058,
        "existing_z": 199.2408,
        "design_z": 198.1753,
        "delta_z": -1.0654
      },
      {
        "ch": 100.0,
        "easting": 451353.4264,
        "northing": 6510808.6073,
        "existing_z": 199.1369,
        "design_z": 198.0851,
        "delta_z": -1.0518
      },
      {
        "ch": 110.0,
        "easting": 451359.9986,
        "northing": 6510801.1413,
        "existing_z": 197.7838,
        "design_z": 196.9608,
        "delta_z": -0.8229
      },
      {
        "ch": 120.0,
        "easting": 451367.8464,
        "northing": 6510794.9667,
        "existing_z": 196.4019,
        "design_z": 195.8365,
        "delta_z": -0.5654
      },
      {
        "ch": 130.0,
        "easting": 451376.8202,
        "northing": 6510790.6009,
        "existing_z": 195.0395,
        "design_z": 194.7122,
        "delta_z": -0.3272
      },
      {
        "ch": 138.3954,
        "easting": 451384.8887,
        "northing": 6510788.2904,
        "existing_z": 193.98,
        "design_z": 193.7683,
        "delta_z": -0.2117
      },
      {
        "ch": 140.0,
        "easting": 451386.4386,
        "northing": 6510787.875,
        "existing_z": 193.7804,
        "design_z": 193.5877,
        "delta_z": -0.1927
      },
      {
        "ch": 150.0,
        "easting": 451396.0979,
        "northing": 6510785.2867,
        "existing_z": 192.5458,
        "design_z": 192.4493,
        "delta_z": -0.0965
      },
      {
        "ch": 158.3954,
        "easting": 451404.2071,
        "northing": 6510783.1137,
        "existing_z": 191.4996,
        "design_z": 191.4771,
        "delta_z": -0.0225
      },
      {
        "ch": 160.0,
        "easting": 451405.7571,
        "northing": 6510782.6984,
        "existing_z": 191.2978,
        "design_z": 191.2896,
        "delta_z": -0.0082
      },
      {
        "ch": 170.0,
        "easting": 451415.4163,
        "northing": 6510780.1101,
        "existing_z": 190.0543,
        "design_z": 190.1085,
        "delta_z": 0.0542
      },
      {
        "ch": 178.3954,
        "easting": 451423.5256,
        "northing": 6510777.9371,
        "existing_z": 188.9925,
        "design_z": 189.1005,
        "delta_z": 0.1081
      },
      {
        "ch": 180.0,
        "easting": 451425.0755,
        "northing": 6510777.5217,
        "existing_z": 188.7852,
        "design_z": 188.9064,
        "delta_z": 0.1213
      },
      {
        "ch": 190.0,
        "easting": 451434.7347,
        "northing": 6510774.9334,
        "existing_z": 187.513,
        "design_z": 187.6968,
        "delta_z": 0.1838
      },
      {
        "ch": 200.0,
        "easting": 451444.394,
        "northing": 6510772.3451,
        "existing_z": 186.2392,
        "design_z": 186.4872,
        "delta_z": 0.248
      },
      {
        "ch": 210.0,
        "easting": 451454.0532,
        "northing": 6510769.7567,
        "existing_z": 184.9758,
        "design_z": 185.2776,
        "delta_z": 0.3018
      },
      {
        "ch": 217.5931,
        "easting": 451461.3875,
        "northing": 6510767.7914,
        "existing_z": 184.0657,
        "design_z": 184.3591,
        "delta_z": 0.2934
      },
      {
        "ch": 220.0,
        "easting": 451463.7124,
        "northing": 6510767.1684,
        "existing_z": 183.7727,
        "design_z": 184.069,
        "delta_z": 0.2963
      },
      {
        "ch": 230.0,
        "easting": 451473.3716,
        "northing": 6510764.5801,
        "existing_z": 182.5625,
        "design_z": 182.8869,
        "delta_z": 0.3243
      },
      {
        "ch": 237.5931,
        "easting": 451480.706,
        "northing": 6510762.6148,
        "existing_z": 181.6712,
        "design_z": 182.014,
        "delta_z": 0.3428
      },
      {
        "ch": 240.0,
        "easting": 451483.0308,
        "northing": 6510761.9918,
        "existing_z": 181.3867,
        "design_z": 181.7418,
        "delta_z": 0.355
      },
      {
        "ch": 250.0,
        "easting": 451492.6901,
        "northing": 6510759.4034,
        "existing_z": 180.215,
        "design_z": 180.6338,
        "delta_z": 0.4188
      },
      {
        "ch": 257.5931,
        "easting": 451500.0244,
        "northing": 6510757.4381,
        "existing_z": 179.359,
        "design_z": 179.8172,
        "delta_z": 0.4582
      },
      {
        "ch": 260.0,
        "easting": 451502.3493,
        "northing": 6510756.8151,
        "existing_z": 179.0875,
        "design_z": 179.5618,
        "delta_z": 0.4743
      },
      {
        "ch": 270.0,
        "easting": 451512.0085,
        "northing": 6510754.2268,
        "existing_z": 177.9718,
        "design_z": 178.5004,
        "delta_z": 0.5286
      },
      {
        "ch": 280.0,
        "easting": 451521.6677,
        "northing": 6510751.6385,
        "existing_z": 176.9101,
        "design_z": 177.4391,
        "delta_z": 0.529
      },
      {
        "ch": 290.0,
        "easting": 451531.327,
        "northing": 6510749.0501,
        "existing_z": 175.8846,
        "design_z": 176.3778,
        "delta_z": 0.4932
      },
      {
        "ch": 296.7908,
        "easting": 451537.8863,
        "northing": 6510747.2925,
        "existing_z": 175.2506,
        "design_z": 175.6571,
        "delta_z": 0.4064
      },
      {
        "ch": 300.0,
        "easting": 451540.9862,
        "northing": 6510746.4618,
        "existing_z": 174.952,
        "design_z": 175.3207,
        "delta_z": 0.3687
      },
      {
        "ch": 310.0,
        "easting": 451550.6454,
        "northing": 6510743.8735,
        "existing_z": 174.0261,
        "design_z": 174.3277,
        "delta_z": 0.3016
      },
      {
        "ch": 316.7908,
        "easting": 451557.2048,
        "northing": 6510742.1158,
        "existing_z": 173.406,
        "design_z": 173.7008,
        "delta_z": 0.2948
      },
      {
        "ch": 320.0,
        "easting": 451560.3046,
        "northing": 6510741.2852,
        "existing_z": 173.1133,
        "design_z": 173.4178,
        "delta_z": 0.3046
      },
      {
        "ch": 330.0,
        "easting": 451569.9638,
        "northing": 6510738.6968,
        "existing_z": 172.2023,
        "design_z": 172.5912,
        "delta_z": 0.3888
      },
      {
        "ch": 336.7908,
        "easting": 451576.5232,
        "northing": 6510736.9392,
        "existing_z": 171.5349,
        "design_z": 172.0772,
        "delta_z": 0.5424
      },
      {
        "ch": 340.0,
        "easting": 451579.6231,
        "northing": 6510736.1085,
        "existing_z": 171.2206,
        "design_z": 171.8434,
        "delta_z": 0.6227
      },
      {
        "ch": 350.0,
        "easting": 451589.2823,
        "northing": 6510733.5202,
        "existing_z": 170.2471,
        "design_z": 171.1148,
        "delta_z": 0.8677
      },
      {
        "ch": 360.0,
        "easting": 451598.9415,
        "northing": 6510730.9318,
        "existing_z": 169.1914,
        "design_z": 170.3862,
        "delta_z": 1.1948
      },
      {
        "ch": 362.6228,
        "easting": 451601.475,
        "northing": 6510730.253,
        "existing_z": 168.9148,
        "design_z": 170.1951,
        "delta_z": 1.2803
      },
      {
        "ch": 370.0,
        "easting": 451608.6007,
        "northing": 6510728.3435,
        "existing_z": 168.1569,
        "design_z": 169.7029,
        "delta_z": 1.546
      },
      {
        "ch": 380.0,
        "easting": 451618.26,
        "northing": 6510725.7552,
        "existing_z": 167.123,
        "design_z": 169.1806,
        "delta_z": 2.0576
      },
      {
        "ch": 390.0,
        "easting": 451627.9192,
        "northing": 6510723.1669,
        "existing_z": 166.1271,
        "design_z": 168.825,
        "delta_z": 2.6979
      },
      {
        "ch": 395.9885,
        "easting": 451633.7036,
        "northing": 6510721.6169,
        "existing_z": 165.6878,
        "design_z": 168.6918,
        "delta_z": 3.004
      },
      {
        "ch": 400.0,
        "easting": 451637.5784,
        "northing": 6510720.5785,
        "existing_z": 165.462,
        "design_z": 168.636,
        "delta_z": 3.174
      },
      {
        "ch": 410.0,
        "easting": 451647.2376,
        "northing": 6510717.9902,
        "existing_z": 164.9676,
        "design_z": 168.6137,
        "delta_z": 3.646
      },
      {
        "ch": 420.0,
        "easting": 451656.8968,
        "northing": 6510715.4019,
        "existing_z": 165.1226,
        "design_z": 168.758,
        "delta_z": 3.6354
      },
      {
        "ch": 429.3541,
        "easting": 451665.9322,
        "northing": 6510712.9807,
        "existing_z": 165.5542,
        "design_z": 169.0439,
        "delta_z": 3.4897
      },
      {
        "ch": 430.0,
        "easting": 451666.5561,
        "northing": 6510712.8136,
        "existing_z": 165.5868,
        "design_z": 169.0687,
        "delta_z": 3.4819
      },
      {
        "ch": 440.0,
        "easting": 451676.2153,
        "northing": 6510710.2252,
        "existing_z": 166.3771,
        "design_z": 169.4523,
        "delta_z": 3.0752
      },
      {
        "ch": 450.0,
        "easting": 451685.8745,
        "northing": 6510707.6369,
        "existing_z": 167.3624,
        "design_z": 169.8359,
        "delta_z": 2.4735
      },
      {
        "ch": 455.1862,
        "easting": 451690.8839,
        "northing": 6510706.2946,
        "existing_z": 167.8909,
        "design_z": 170.0348,
        "delta_z": 2.1439
      },
      {
        "ch": 460.0,
        "easting": 451695.5337,
        "northing": 6510705.0486,
        "existing_z": 168.4122,
        "design_z": 170.2387,
        "delta_z": 1.8265
      },
      {
        "ch": 470.0,
        "easting": 451705.1929,
        "northing": 6510702.4603,
        "existing_z": 169.5003,
        "design_z": 170.7857,
        "delta_z": 1.2854
      },
      {
        "ch": 475.1862,
        "easting": 451710.2024,
        "northing": 6510701.1179,
        "existing_z": 170.0664,
        "design_z": 171.1349,
        "delta_z": 1.0685
      },
      {
        "ch": 480.0,
        "easting": 451714.8522,
        "northing": 6510699.8719,
        "existing_z": 170.5736,
        "design_z": 171.4991,
        "delta_z": 0.9255
      },
      {
        "ch": 490.0,
        "easting": 451724.5114,
        "northing": 6510697.2836,
        "existing_z": 171.6264,
        "design_z": 172.379,
        "delta_z": 0.7526
      },
      {
        "ch": 495.1862,
        "easting": 451729.5208,
        "northing": 6510695.9412,
        "existing_z": 172.172,
        "design_z": 172.9009,
        "delta_z": 0.7289
      },
      {
        "ch": 500.0,
        "easting": 451734.1706,
        "northing": 6510694.6953,
        "existing_z": 172.6593,
        "design_z": 173.4061,
        "delta_z": 0.7468
      },
      {
        "ch": 510.0,
        "easting": 451743.8298,
        "northing": 6510692.1069,
        "existing_z": 173.6717,
        "design_z": 174.4556,
        "delta_z": 0.7839
      },
      {
        "ch": 520.0,
        "easting": 451753.4891,
        "northing": 6510689.5186,
        "existing_z": 174.7059,
        "design_z": 175.5051,
        "delta_z": 0.7992
      },
      {
        "ch": 530.0,
        "easting": 451763.1483,
        "northing": 6510686.9303,
        "existing_z": 175.7719,
        "design_z": 176.5546,
        "delta_z": 0.7827
      },
      {
        "ch": 534.3839,
        "easting": 451767.3827,
        "northing": 6510685.7956,
        "existing_z": 176.2331,
        "design_z": 177.0146,
        "delta_z": 0.7815
      },
      {
        "ch": 540.0,
        "easting": 451772.8075,
        "northing": 6510684.342,
        "existing_z": 176.8542,
        "design_z": 177.6197,
        "delta_z": 0.7655
      },
      {
        "ch": 550.0,
        "easting": 451782.4667,
        "northing": 6510681.7536,
        "existing_z": 178.0129,
        "design_z": 178.7748,
        "delta_z": 0.7619
      },
      {
        "ch": 554.3839,
        "easting": 451786.7012,
        "northing": 6510680.619,
        "existing_z": 178.519,
        "design_z": 179.3125,
        "delta_z": 0.7934
      },
      {
        "ch": 560.0,
        "easting": 451792.1259,
        "northing": 6510679.1653,
        "existing_z": 179.2069,
        "design_z": 180.0293,
        "delta_z": 0.8223
      },
      {
        "ch": 570.0,
        "easting": 451801.7852,
        "northing": 6510676.577,
        "existing_z": 180.5488,
        "design_z": 181.3832,
        "delta_z": 0.8344
      },
      {
        "ch": 574.3839,
        "easting": 451806.0196,
        "northing": 6510675.4423,
        "existing_z": 181.1395,
        "design_z": 182.0081,
        "delta_z": 0.8686
      },
      {
        "ch": 580.0,
        "easting": 451811.4444,
        "northing": 6510673.9887,
        "existing_z": 181.9267,
        "design_z": 182.8209,
        "delta_z": 0.8942
      },
      {
        "ch": 590.0,
        "easting": 451821.1036,
        "northing": 6510671.4003,
        "existing_z": 183.4758,
        "design_z": 184.2682,
        "delta_z": 0.7923
      },
      {
        "ch": 600.0,
        "easting": 451830.7628,
        "northing": 6510668.812,
        "existing_z": 185.0403,
        "design_z": 185.7154,
        "delta_z": 0.6751
      },
      {
        "ch": 610.0,
        "easting": 451840.4221,
        "northing": 6510666.2237,
        "existing_z": 186.7034,
        "design_z": 187.1627,
        "delta_z": 0.4592
      },
      {
        "ch": 620.0,
        "easting": 451850.0813,
        "northing": 6510663.6354,
        "existing_z": 188.3544,
        "design_z": 188.6099,
        "delta_z": 0.2555
      },
      {
        "ch": 630.0,
        "easting": 451859.7405,
        "northing": 6510661.047,
        "existing_z": 189.9928,
        "design_z": 190.0572,
        "delta_z": 0.0643
      },
      {
        "ch": 633.5816,
        "easting": 451863.2,
        "northing": 6510660.12,
        "existing_z": 190.5755,
        "design_z": 190.5755,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD193",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 141.421,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 1.76,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449859.8799999999,
          6510800.12
        ],
        "end": [
          449959.8799999999,
          6510700.12
        ],
        "chainage_start": 0,
        "length": 141.4213562373095
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.71067811865476,
        "pvi_z": 195.3768685719271,
        "bvc": 50.710678118654755,
        "evc": 90.71067811865476,
        "length": 40.0,
        "g1": -0.01761779619306963,
        "g2": 0.004439171243776526,
        "z_bvc": 195.7292244957885,
        "K_m_per_percent": 18.134859252310456
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449859.88,
        "northing": 6510800.12,
        "existing_z": 196.6226,
        "design_z": 196.6226,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449866.9511,
        "northing": 6510793.0489,
        "existing_z": 196.537,
        "design_z": 196.4465,
        "delta_z": -0.0906
      },
      {
        "ch": 20.0,
        "easting": 449874.0221,
        "northing": 6510785.9779,
        "existing_z": 196.3198,
        "design_z": 196.2703,
        "delta_z": -0.0495
      },
      {
        "ch": 30.0,
        "easting": 449881.0932,
        "northing": 6510778.9068,
        "existing_z": 196.0238,
        "design_z": 196.0941,
        "delta_z": 0.0703
      },
      {
        "ch": 40.0,
        "easting": 449888.1643,
        "northing": 6510771.8357,
        "existing_z": 195.7086,
        "design_z": 195.9179,
        "delta_z": 0.2094
      },
      {
        "ch": 50.0,
        "easting": 449895.2353,
        "northing": 6510764.7647,
        "existing_z": 195.419,
        "design_z": 195.7417,
        "delta_z": 0.3227
      },
      {
        "ch": 50.7107,
        "easting": 449895.7379,
        "northing": 6510764.2621,
        "existing_z": 195.4007,
        "design_z": 195.7292,
        "delta_z": 0.3285
      },
      {
        "ch": 60.0,
        "easting": 449902.3064,
        "northing": 6510757.6936,
        "existing_z": 195.1832,
        "design_z": 195.5894,
        "delta_z": 0.4062
      },
      {
        "ch": 70.0,
        "easting": 449909.3775,
        "northing": 6510750.6225,
        "existing_z": 194.9936,
        "design_z": 195.492,
        "delta_z": 0.4983
      },
      {
        "ch": 70.7107,
        "easting": 449909.88,
        "northing": 6510750.12,
        "existing_z": 194.9819,
        "design_z": 195.4872,
        "delta_z": 0.5052
      },
      {
        "ch": 80.0,
        "easting": 449916.4485,
        "northing": 6510743.5515,
        "existing_z": 194.9485,
        "design_z": 195.4497,
        "delta_z": 0.5013
      },
      {
        "ch": 90.0,
        "easting": 449923.5196,
        "northing": 6510736.4804,
        "existing_z": 194.9618,
        "design_z": 195.4626,
        "delta_z": 0.5008
      },
      {
        "ch": 90.7107,
        "easting": 449924.0221,
        "northing": 6510735.9779,
        "existing_z": 194.9646,
        "design_z": 195.4657,
        "delta_z": 0.501
      },
      {
        "ch": 100.0,
        "easting": 449930.5907,
        "northing": 6510729.4093,
        "existing_z": 195.0246,
        "design_z": 195.5069,
        "delta_z": 0.4822
      },
      {
        "ch": 110.0,
        "easting": 449937.6617,
        "northing": 6510722.3383,
        "existing_z": 195.1124,
        "design_z": 195.5513,
        "delta_z": 0.4389
      },
      {
        "ch": 120.0,
        "easting": 449944.7328,
        "northing": 6510715.2672,
        "existing_z": 195.198,
        "design_z": 195.5957,
        "delta_z": 0.3977
      },
      {
        "ch": 130.0,
        "easting": 449951.8039,
        "northing": 6510708.1961,
        "existing_z": 195.3229,
        "design_z": 195.6401,
        "delta_z": 0.3172
      },
      {
        "ch": 140.0,
        "easting": 449958.8749,
        "northing": 6510701.1251,
        "existing_z": 195.6371,
        "design_z": 195.6845,
        "delta_z": 0.0473
      },
      {
        "ch": 141.4214,
        "easting": 449959.88,
        "northing": 6510700.12,
        "existing_z": 195.6908,
        "design_z": 195.6908,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD194",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 100.0,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.74,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450030.0,
          6510700.12
        ],
        "end": [
          450030.0,
          6510800.12
        ],
        "chainage_start": 0,
        "length": 100.0
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 50.0,
        "pvi_z": 206.42219674095435,
        "bvc": 30.0,
        "evc": 70.0,
        "length": 40.0,
        "g1": 0.04361391772924321,
        "g2": 0.05740018139185054,
        "z_bvc": 205.54991838636948,
        "K_m_per_percent": 29.014387784046626
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450030.0,
        "northing": 6510700.12,
        "existing_z": 204.2415,
        "design_z": 204.2415,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450030.0,
        "northing": 6510710.12,
        "existing_z": 204.5618,
        "design_z": 204.6776,
        "delta_z": 0.1159
      },
      {
        "ch": 20.0,
        "easting": 450030.0,
        "northing": 6510720.12,
        "existing_z": 204.9632,
        "design_z": 205.1138,
        "delta_z": 0.1506
      },
      {
        "ch": 30.0,
        "easting": 450030.0,
        "northing": 6510730.12,
        "existing_z": 205.3651,
        "design_z": 205.5499,
        "delta_z": 0.1848
      },
      {
        "ch": 40.0,
        "easting": 450030.0,
        "northing": 6510740.12,
        "existing_z": 205.8058,
        "design_z": 206.0033,
        "delta_z": 0.1975
      },
      {
        "ch": 50.0,
        "easting": 450030.0,
        "northing": 6510750.12,
        "existing_z": 206.2477,
        "design_z": 206.4911,
        "delta_z": 0.2435
      },
      {
        "ch": 60.0,
        "easting": 450030.0,
        "northing": 6510760.12,
        "existing_z": 206.7832,
        "design_z": 207.0134,
        "delta_z": 0.2302
      },
      {
        "ch": 70.0,
        "easting": 450030.0,
        "northing": 6510770.12,
        "existing_z": 207.3199,
        "design_z": 207.5702,
        "delta_z": 0.2503
      },
      {
        "ch": 80.0,
        "easting": 450030.0,
        "northing": 6510780.12,
        "existing_z": 207.9528,
        "design_z": 208.1442,
        "delta_z": 0.1914
      },
      {
        "ch": 90.0,
        "easting": 450030.0,
        "northing": 6510790.12,
        "existing_z": 208.5865,
        "design_z": 208.7182,
        "delta_z": 0.1317
      },
      {
        "ch": 100.0,
        "easting": 450030.0,
        "northing": 6510800.12,
        "existing_z": 209.2922,
        "design_z": 209.2922,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD195",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 103.533,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.36,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450910.0,
          6510701.172133009
        ],
        "end": [
          450910.0,
          6510804.704634217
        ],
        "chainage_start": 0,
        "length": 103.53250120766461
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 51.766250603832304,
        "pvi_z": 163.22972056469274,
        "bvc": 31.766250603832304,
        "evc": 71.7662506038323,
        "length": 40.0,
        "g1": 0.05360681673966679,
        "g2": 0.03619929683862346,
        "z_bvc": 162.1575842298994,
        "K_m_per_percent": 22.978574907504534
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450910.0,
        "northing": 6510701.1721,
        "existing_z": 160.4547,
        "design_z": 160.4547,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450910.0,
        "northing": 6510711.1721,
        "existing_z": 161.0672,
        "design_z": 160.9908,
        "delta_z": -0.0765
      },
      {
        "ch": 20.0,
        "easting": 450910.0,
        "northing": 6510721.1721,
        "existing_z": 161.669,
        "design_z": 161.5268,
        "delta_z": -0.1422
      },
      {
        "ch": 30.0,
        "easting": 450910.0,
        "northing": 6510731.1721,
        "existing_z": 162.2664,
        "design_z": 162.0629,
        "delta_z": -0.2035
      },
      {
        "ch": 31.7663,
        "easting": 450910.0,
        "northing": 6510732.9384,
        "existing_z": 162.366,
        "design_z": 162.1576,
        "delta_z": -0.2084
      },
      {
        "ch": 40.0,
        "easting": 450910.0,
        "northing": 6510741.1721,
        "existing_z": 162.8306,
        "design_z": 162.5842,
        "delta_z": -0.2463
      },
      {
        "ch": 50.0,
        "easting": 450910.0,
        "northing": 6510751.1721,
        "existing_z": 163.3802,
        "design_z": 163.0627,
        "delta_z": -0.3175
      },
      {
        "ch": 51.7663,
        "easting": 450910.0,
        "northing": 6510752.9384,
        "existing_z": 163.4579,
        "design_z": 163.1427,
        "delta_z": -0.3152
      },
      {
        "ch": 60.0,
        "easting": 450910.0,
        "northing": 6510761.1721,
        "existing_z": 163.8201,
        "design_z": 163.4977,
        "delta_z": -0.3225
      },
      {
        "ch": 70.0,
        "easting": 450910.0,
        "northing": 6510771.1721,
        "existing_z": 164.242,
        "design_z": 163.8891,
        "delta_z": -0.3529
      },
      {
        "ch": 71.7663,
        "easting": 450910.0,
        "northing": 6510772.9384,
        "existing_z": 164.2925,
        "design_z": 163.9537,
        "delta_z": -0.3388
      },
      {
        "ch": 80.0,
        "easting": 450910.0,
        "northing": 6510781.1721,
        "existing_z": 164.5279,
        "design_z": 164.2518,
        "delta_z": -0.2761
      },
      {
        "ch": 90.0,
        "easting": 450910.0,
        "northing": 6510791.1721,
        "existing_z": 164.806,
        "design_z": 164.6138,
        "delta_z": -0.1923
      },
      {
        "ch": 100.0,
        "easting": 450910.0,
        "northing": 6510801.1721,
        "existing_z": 165.0259,
        "design_z": 164.9757,
        "delta_z": -0.0502
      },
      {
        "ch": 103.5325,
        "easting": 450910.0,
        "northing": 6510804.7046,
        "existing_z": 165.1036,
        "design_z": 165.1036,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD196",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 358.394,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 13.74,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450916.16843931813,
          6510803.05175798
        ],
        "end": [
          451262.35,
          6510710.29
        ],
        "chainage_start": 0,
        "length": 358.39421967949556
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 71.67884393589911,
        "pvi_z": 173.14368049203546,
        "bvc": 51.67884393589911,
        "evc": 91.67884393589911,
        "length": 40.0,
        "g1": 0.10642181712582799,
        "g2": 0.13742569799126014,
        "z_bvc": 171.0152441495189,
        "K_m_per_percent": 12.901610664037252
      },
      {
        "pvi_ch": 143.35768787179822,
        "pvi_z": 182.994195651133,
        "bvc": 123.35768787179822,
        "evc": 163.35768787179822,
        "length": 40.0,
        "g1": 0.13742569799126014,
        "g2": 0.11035400581697481,
        "z_bvc": 180.2456816913078,
        "K_m_per_percent": 14.775581719267228
      },
      {
        "pvi_ch": 215.03653180769732,
        "pvi_z": 190.90424321178924,
        "bvc": 195.03653180769732,
        "evc": 235.03653180769732,
        "length": 40.0,
        "g1": 0.11035400581697481,
        "g2": 0.08431757093406833,
        "z_bvc": 188.69716309544975,
        "K_m_per_percent": 15.363086451694244
      },
      {
        "pvi_ch": 286.71537574359644,
        "pvi_z": 196.94802921982642,
        "bvc": 266.71537574359644,
        "evc": 306.71537574359644,
        "length": 40.0,
        "g1": 0.08431757093406833,
        "g2": 0.05603117648730372,
        "z_bvc": 195.26167780114505,
        "K_m_per_percent": 14.141074103764112
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450916.1684,
        "northing": 6510803.0518,
        "existing_z": 165.5155,
        "design_z": 165.5155,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450925.8277,
        "northing": 6510800.4635,
        "existing_z": 166.1744,
        "design_z": 166.5797,
        "delta_z": 0.4053
      },
      {
        "ch": 20.0,
        "easting": 450935.4869,
        "northing": 6510797.8752,
        "existing_z": 166.9589,
        "design_z": 167.6439,
        "delta_z": 0.685
      },
      {
        "ch": 30.0,
        "easting": 450945.1462,
        "northing": 6510795.287,
        "existing_z": 167.8401,
        "design_z": 168.7081,
        "delta_z": 0.868
      },
      {
        "ch": 40.0,
        "easting": 450954.8054,
        "northing": 6510792.6987,
        "existing_z": 168.8279,
        "design_z": 169.7724,
        "delta_z": 0.9444
      },
      {
        "ch": 50.0,
        "easting": 450964.4646,
        "northing": 6510790.1105,
        "existing_z": 169.9154,
        "design_z": 170.8366,
        "delta_z": 0.9211
      },
      {
        "ch": 51.6788,
        "easting": 450966.0863,
        "northing": 6510789.6759,
        "existing_z": 170.0944,
        "design_z": 171.0152,
        "delta_z": 0.9208
      },
      {
        "ch": 60.0,
        "easting": 450974.1239,
        "northing": 6510787.5222,
        "existing_z": 171.025,
        "design_z": 171.9276,
        "delta_z": 0.9026
      },
      {
        "ch": 70.0,
        "easting": 450983.7831,
        "northing": 6510784.9339,
        "existing_z": 172.1965,
        "design_z": 173.0951,
        "delta_z": 0.8986
      },
      {
        "ch": 71.6788,
        "easting": 450985.4048,
        "northing": 6510784.4994,
        "existing_z": 172.3929,
        "design_z": 173.2987,
        "delta_z": 0.9058
      },
      {
        "ch": 80.0,
        "easting": 450993.4424,
        "northing": 6510782.3457,
        "existing_z": 173.4174,
        "design_z": 174.3401,
        "delta_z": 0.9227
      },
      {
        "ch": 90.0,
        "easting": 451003.1016,
        "northing": 6510779.7574,
        "existing_z": 174.7293,
        "design_z": 175.6626,
        "delta_z": 0.9333
      },
      {
        "ch": 91.6788,
        "easting": 451004.7232,
        "northing": 6510779.3229,
        "existing_z": 174.9494,
        "design_z": 175.8922,
        "delta_z": 0.9428
      },
      {
        "ch": 100.0,
        "easting": 451012.7608,
        "northing": 6510777.1692,
        "existing_z": 176.1382,
        "design_z": 177.0357,
        "delta_z": 0.8976
      },
      {
        "ch": 110.0,
        "easting": 451022.4201,
        "northing": 6510774.5809,
        "existing_z": 177.811,
        "design_z": 178.41,
        "delta_z": 0.599
      },
      {
        "ch": 120.0,
        "easting": 451032.0793,
        "northing": 6510771.9926,
        "existing_z": 179.5388,
        "design_z": 179.7842,
        "delta_z": 0.2455
      },
      {
        "ch": 123.3577,
        "easting": 451035.3226,
        "northing": 6510771.1236,
        "existing_z": 180.1611,
        "design_z": 180.2457,
        "delta_z": 0.0845
      },
      {
        "ch": 130.0,
        "easting": 451041.7386,
        "northing": 6510769.4044,
        "existing_z": 181.3919,
        "design_z": 181.1436,
        "delta_z": -0.2483
      },
      {
        "ch": 140.0,
        "easting": 451051.3978,
        "northing": 6510766.8161,
        "existing_z": 183.1535,
        "design_z": 182.439,
        "delta_z": -0.7145
      },
      {
        "ch": 143.3577,
        "easting": 451054.6411,
        "northing": 6510765.9471,
        "existing_z": 183.6221,
        "design_z": 182.8588,
        "delta_z": -0.7633
      },
      {
        "ch": 150.0,
        "easting": 451061.057,
        "northing": 6510764.2279,
        "existing_z": 184.5573,
        "design_z": 183.6668,
        "delta_z": -0.8905
      },
      {
        "ch": 160.0,
        "easting": 451070.7163,
        "northing": 6510761.6396,
        "existing_z": 185.9564,
        "design_z": 184.8269,
        "delta_z": -1.1295
      },
      {
        "ch": 163.3577,
        "easting": 451073.9595,
        "northing": 6510760.7705,
        "existing_z": 186.3079,
        "design_z": 185.2013,
        "delta_z": -1.1066
      },
      {
        "ch": 170.0,
        "easting": 451080.3755,
        "northing": 6510759.0513,
        "existing_z": 187.0072,
        "design_z": 185.9343,
        "delta_z": -1.073
      },
      {
        "ch": 180.0,
        "easting": 451090.0348,
        "northing": 6510756.4631,
        "existing_z": 188.0699,
        "design_z": 187.0378,
        "delta_z": -1.032
      },
      {
        "ch": 190.0,
        "easting": 451099.694,
        "northing": 6510753.8748,
        "existing_z": 188.9893,
        "design_z": 188.1414,
        "delta_z": -0.8479
      },
      {
        "ch": 195.0365,
        "easting": 451104.5589,
        "northing": 6510752.5712,
        "existing_z": 189.451,
        "design_z": 188.6972,
        "delta_z": -0.7538
      },
      {
        "ch": 200.0,
        "easting": 451109.3532,
        "northing": 6510751.2865,
        "existing_z": 189.9051,
        "design_z": 189.2369,
        "delta_z": -0.6682
      },
      {
        "ch": 210.0,
        "easting": 451119.0125,
        "northing": 6510748.6983,
        "existing_z": 190.7312,
        "design_z": 190.2756,
        "delta_z": -0.4556
      },
      {
        "ch": 215.0365,
        "easting": 451123.8774,
        "northing": 6510747.3947,
        "existing_z": 191.1243,
        "design_z": 190.7741,
        "delta_z": -0.3503
      },
      {
        "ch": 220.0,
        "easting": 451128.6717,
        "northing": 6510746.11,
        "existing_z": 191.5112,
        "design_z": 191.2492,
        "delta_z": -0.262
      },
      {
        "ch": 230.0,
        "easting": 451138.3309,
        "northing": 6510743.5218,
        "existing_z": 192.3204,
        "design_z": 192.1577,
        "delta_z": -0.1627
      },
      {
        "ch": 235.0365,
        "easting": 451143.1959,
        "northing": 6510742.2182,
        "existing_z": 192.7271,
        "design_z": 192.5906,
        "delta_z": -0.1365
      },
      {
        "ch": 240.0,
        "easting": 451147.9902,
        "northing": 6510740.9335,
        "existing_z": 193.1256,
        "design_z": 193.0091,
        "delta_z": -0.1165
      },
      {
        "ch": 250.0,
        "easting": 451157.6494,
        "northing": 6510738.3452,
        "existing_z": 194.0117,
        "design_z": 193.8523,
        "delta_z": -0.1594
      },
      {
        "ch": 260.0,
        "easting": 451167.3087,
        "northing": 6510735.757,
        "existing_z": 194.9046,
        "design_z": 194.6955,
        "delta_z": -0.2091
      },
      {
        "ch": 266.7154,
        "easting": 451173.7952,
        "northing": 6510734.0189,
        "existing_z": 195.5395,
        "design_z": 195.2617,
        "delta_z": -0.2779
      },
      {
        "ch": 270.0,
        "easting": 451176.9679,
        "northing": 6510733.1687,
        "existing_z": 195.8617,
        "design_z": 195.5348,
        "delta_z": -0.3269
      },
      {
        "ch": 280.0,
        "easting": 451186.6271,
        "northing": 6510730.5805,
        "existing_z": 196.8238,
        "design_z": 196.3194,
        "delta_z": -0.5044
      },
      {
        "ch": 286.7154,
        "easting": 451193.1137,
        "northing": 6510728.8424,
        "existing_z": 197.4347,
        "design_z": 196.8066,
        "delta_z": -0.6281
      },
      {
        "ch": 290.0,
        "easting": 451196.2864,
        "northing": 6510727.9922,
        "existing_z": 197.7276,
        "design_z": 197.0333,
        "delta_z": -0.6943
      },
      {
        "ch": 300.0,
        "easting": 451205.9456,
        "northing": 6510725.4039,
        "existing_z": 198.6185,
        "design_z": 197.6764,
        "delta_z": -0.9421
      },
      {
        "ch": 306.7154,
        "easting": 451212.4322,
        "northing": 6510723.6658,
        "existing_z": 199.1766,
        "design_z": 198.0687,
        "delta_z": -1.108
      },
      {
        "ch": 310.0,
        "easting": 451215.6049,
        "northing": 6510722.8157,
        "existing_z": 199.4192,
        "design_z": 198.2527,
        "delta_z": -1.1665
      },
      {
        "ch": 320.0,
        "easting": 451225.2641,
        "northing": 6510720.2274,
        "existing_z": 200.1724,
        "design_z": 198.813,
        "delta_z": -1.3594
      },
      {
        "ch": 330.0,
        "easting": 451234.9233,
        "northing": 6510717.6392,
        "existing_z": 200.7174,
        "design_z": 199.3733,
        "delta_z": -1.3441
      },
      {
        "ch": 340.0,
        "easting": 451244.5826,
        "northing": 6510715.0509,
        "existing_z": 201.0701,
        "design_z": 199.9336,
        "delta_z": -1.1365
      },
      {
        "ch": 350.0,
        "easting": 451254.2418,
        "northing": 6510712.4626,
        "existing_z": 201.1688,
        "design_z": 200.4939,
        "delta_z": -0.6749
      },
      {
        "ch": 358.3942,
        "easting": 451262.35,
        "northing": 6510710.29,
        "existing_z": 200.9643,
        "design_z": 200.9643,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD197",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 433.967,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.45,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450595.88,
          6510888.87
        ],
        "end": [
          450580.8696,
          6510832.847800001
        ],
        "chainage_start": 0,
        "length": 57.99826722368028
      },
      {
        "type": "ARC",
        "centre": [
          450621.4384475295,
          6510821.977919329
        ],
        "radius": 41.99982971023901,
        "start_angle_rad": 2.879804977959844,
        "sweep_rad": 1.5707705054272592,
        "start": [
          450580.8696,
          6510832.847800001
        ],
        "end": [
          450610.5675193185,
          6510781.409352488
        ],
        "chainage_start": 57.99826722368028,
        "length": 65.97209374181095,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450610.56751931837,
          6510781.409352488
        ],
        "end": [
          450910.0,
          6510701.172133009
        ],
        "chainage_start": 123.97036096549124,
        "length": 309.9964868782631
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 72.32780797395905,
        "pvi_z": 173.05792758542327,
        "bvc": 52.327807973959054,
        "evc": 92.32780797395905,
        "length": 40.0,
        "g1": 0.005401885208908925,
        "g2": -0.0404880896450556,
        "z_bvc": 172.9498898812451,
        "K_m_per_percent": 8.716500744943058
      },
      {
        "pvi_ch": 144.6556159479181,
        "pvi_z": 170.12951281234325,
        "bvc": 124.65561594791811,
        "evc": 164.6556159479181,
        "length": 40.0,
        "g1": -0.0404880896450556,
        "g2": -0.07113260394884434,
        "z_bvc": 170.93927460524435,
        "K_m_per_percent": 13.052907154431418
      },
      {
        "pvi_ch": 216.98342392187715,
        "pvi_z": 164.98464749324356,
        "bvc": 196.98342392187715,
        "evc": 236.98342392187715,
        "length": 40.0,
        "g1": -0.07113260394884434,
        "g2": -0.0744907538402506,
        "z_bvc": 166.40729957222044,
        "K_m_per_percent": 119.11320606135779
      },
      {
        "pvi_ch": 289.3112318958362,
        "pvi_z": 159.59689455365046,
        "bvc": 269.3112318958362,
        "evc": 309.3112318958362,
        "length": 40.0,
        "g1": -0.0744907538402506,
        "g2": -0.015546402767219926,
        "z_bvc": 161.08670963045546,
        "K_m_per_percent": 6.7860616448963755
      },
      {
        "pvi_ch": 361.6390398697953,
        "pvi_z": 158.47245731961715,
        "bvc": 341.6390398697953,
        "evc": 381.6390398697953,
        "length": 40.0,
        "g1": -0.015546402767219926,
        "g2": 0.027406323946247268,
        "z_bvc": 158.78338537496154,
        "K_m_per_percent": 9.312563616004054
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450595.88,
        "northing": 6510888.87,
        "existing_z": 172.6672,
        "design_z": 172.6672,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450593.2919,
        "northing": 6510879.2107,
        "existing_z": 172.6676,
        "design_z": 172.7212,
        "delta_z": 0.0536
      },
      {
        "ch": 20.0,
        "easting": 450590.7038,
        "northing": 6510869.5514,
        "existing_z": 172.6717,
        "design_z": 172.7753,
        "delta_z": 0.1036
      },
      {
        "ch": 30.0,
        "easting": 450588.1158,
        "northing": 6510859.8921,
        "existing_z": 172.8351,
        "design_z": 172.8293,
        "delta_z": -0.0058
      },
      {
        "ch": 40.0,
        "easting": 450585.5277,
        "northing": 6510850.2328,
        "existing_z": 173.0071,
        "design_z": 172.8833,
        "delta_z": -0.1238
      },
      {
        "ch": 50.0,
        "easting": 450582.9396,
        "northing": 6510840.5736,
        "existing_z": 173.3136,
        "design_z": 172.9373,
        "delta_z": -0.3763
      },
      {
        "ch": 52.3278,
        "easting": 450582.3372,
        "northing": 6510838.3251,
        "existing_z": 173.3835,
        "design_z": 172.9499,
        "delta_z": -0.4336
      },
      {
        "ch": 60.0,
        "easting": 450580.3978,
        "northing": 6510830.9027,
        "existing_z": 173.6035,
        "design_z": 172.9576,
        "delta_z": -0.646
      },
      {
        "ch": 70.0,
        "easting": 450579.4507,
        "northing": 6510820.9713,
        "existing_z": 173.8112,
        "design_z": 172.8662,
        "delta_z": -0.945
      },
      {
        "ch": 72.3278,
        "easting": 450579.5709,
        "northing": 6510818.6469,
        "existing_z": 173.8331,
        "design_z": 172.8285,
        "delta_z": -1.0046
      },
      {
        "ch": 80.0,
        "easting": 450580.8726,
        "northing": 6510811.0968,
        "existing_z": 173.8358,
        "design_z": 172.6601,
        "delta_z": -1.1757
      },
      {
        "ch": 90.0,
        "easting": 450584.5834,
        "northing": 6510801.8362,
        "existing_z": 173.6581,
        "design_z": 172.3393,
        "delta_z": -1.3188
      },
      {
        "ch": 92.3278,
        "easting": 450585.7557,
        "northing": 6510799.8255,
        "existing_z": 173.5948,
        "design_z": 172.2482,
        "delta_z": -1.3466
      },
      {
        "ch": 100.0,
        "easting": 450590.3736,
        "northing": 6510793.712,
        "existing_z": 173.3351,
        "design_z": 171.9375,
        "delta_z": -1.3976
      },
      {
        "ch": 110.0,
        "easting": 450597.9166,
        "northing": 6510787.1827,
        "existing_z": 172.8257,
        "design_z": 171.5327,
        "delta_z": -1.2931
      },
      {
        "ch": 120.0,
        "easting": 450606.7867,
        "northing": 6510782.6166,
        "existing_z": 172.186,
        "design_z": 171.1278,
        "delta_z": -1.0582
      },
      {
        "ch": 124.6556,
        "easting": 450611.2294,
        "northing": 6510781.232,
        "existing_z": 171.8632,
        "design_z": 170.9393,
        "delta_z": -0.9239
      },
      {
        "ch": 130.0,
        "easting": 450616.3917,
        "northing": 6510779.8487,
        "existing_z": 171.4873,
        "design_z": 170.7119,
        "delta_z": -0.7753
      },
      {
        "ch": 140.0,
        "easting": 450626.0509,
        "northing": 6510777.2604,
        "existing_z": 170.7885,
        "design_z": 170.2278,
        "delta_z": -0.5607
      },
      {
        "ch": 144.6556,
        "easting": 450630.5479,
        "northing": 6510776.0553,
        "existing_z": 170.4676,
        "design_z": 169.9763,
        "delta_z": -0.4913
      },
      {
        "ch": 150.0,
        "easting": 450635.7101,
        "northing": 6510774.672,
        "existing_z": 170.1193,
        "design_z": 169.6671,
        "delta_z": -0.4523
      },
      {
        "ch": 160.0,
        "easting": 450645.3693,
        "northing": 6510772.0837,
        "existing_z": 169.4706,
        "design_z": 169.0297,
        "delta_z": -0.4409
      },
      {
        "ch": 164.6556,
        "easting": 450649.8663,
        "northing": 6510770.8787,
        "existing_z": 169.1699,
        "design_z": 168.7069,
        "delta_z": -0.463
      },
      {
        "ch": 170.0,
        "easting": 450655.0286,
        "northing": 6510769.4954,
        "existing_z": 168.8193,
        "design_z": 168.3267,
        "delta_z": -0.4926
      },
      {
        "ch": 180.0,
        "easting": 450664.6878,
        "northing": 6510766.9071,
        "existing_z": 168.1568,
        "design_z": 167.6154,
        "delta_z": -0.5414
      },
      {
        "ch": 190.0,
        "easting": 450674.347,
        "northing": 6510764.3187,
        "existing_z": 167.4436,
        "design_z": 166.904,
        "delta_z": -0.5396
      },
      {
        "ch": 196.9834,
        "easting": 450681.0925,
        "northing": 6510762.5112,
        "existing_z": 166.8989,
        "design_z": 166.4073,
        "delta_z": -0.4916
      },
      {
        "ch": 200.0,
        "easting": 450684.0062,
        "northing": 6510761.7304,
        "existing_z": 166.6623,
        "design_z": 166.1923,
        "delta_z": -0.47
      },
      {
        "ch": 210.0,
        "easting": 450693.6655,
        "northing": 6510759.1421,
        "existing_z": 165.8362,
        "design_z": 165.4743,
        "delta_z": -0.3619
      },
      {
        "ch": 216.9834,
        "easting": 450700.4109,
        "northing": 6510757.3345,
        "existing_z": 165.2101,
        "design_z": 164.9679,
        "delta_z": -0.2422
      },
      {
        "ch": 220.0,
        "easting": 450703.3247,
        "northing": 6510756.5537,
        "existing_z": 164.9371,
        "design_z": 164.7478,
        "delta_z": -0.1893
      },
      {
        "ch": 230.0,
        "easting": 450712.9839,
        "northing": 6510753.9654,
        "existing_z": 164.0124,
        "design_z": 164.013,
        "delta_z": 0.0006
      },
      {
        "ch": 236.9834,
        "easting": 450719.7293,
        "northing": 6510752.1579,
        "existing_z": 163.3398,
        "design_z": 163.4948,
        "delta_z": 0.155
      },
      {
        "ch": 240.0,
        "easting": 450722.6431,
        "northing": 6510751.3771,
        "existing_z": 163.0455,
        "design_z": 163.2701,
        "delta_z": 0.2247
      },
      {
        "ch": 250.0,
        "easting": 450732.3023,
        "northing": 6510748.7888,
        "existing_z": 162.0592,
        "design_z": 162.5252,
        "delta_z": 0.466
      },
      {
        "ch": 260.0,
        "easting": 450741.9616,
        "northing": 6510746.2004,
        "existing_z": 161.0731,
        "design_z": 161.7803,
        "delta_z": 0.7072
      },
      {
        "ch": 269.3112,
        "easting": 450750.9555,
        "northing": 6510743.7904,
        "existing_z": 160.1616,
        "design_z": 161.0867,
        "delta_z": 0.9251
      },
      {
        "ch": 270.0,
        "easting": 450751.6208,
        "northing": 6510743.6121,
        "existing_z": 160.1079,
        "design_z": 161.0358,
        "delta_z": 0.9279
      },
      {
        "ch": 280.0,
        "easting": 450761.28,
        "northing": 6510741.0238,
        "existing_z": 159.3161,
        "design_z": 160.3747,
        "delta_z": 1.0586
      },
      {
        "ch": 289.3112,
        "easting": 450770.2739,
        "northing": 6510738.6137,
        "existing_z": 158.57,
        "design_z": 159.8916,
        "delta_z": 1.3216
      },
      {
        "ch": 290.0,
        "easting": 450770.9392,
        "northing": 6510738.4355,
        "existing_z": 158.5394,
        "design_z": 159.861,
        "delta_z": 1.3216
      },
      {
        "ch": 300.0,
        "easting": 450780.5985,
        "northing": 6510735.8471,
        "existing_z": 158.0829,
        "design_z": 159.4946,
        "delta_z": 1.4117
      },
      {
        "ch": 309.3112,
        "easting": 450789.5924,
        "northing": 6510733.4371,
        "existing_z": 157.6384,
        "design_z": 159.286,
        "delta_z": 1.6475
      },
      {
        "ch": 310.0,
        "easting": 450790.2577,
        "northing": 6510733.2588,
        "existing_z": 157.6149,
        "design_z": 159.2753,
        "delta_z": 1.6603
      },
      {
        "ch": 320.0,
        "easting": 450799.9169,
        "northing": 6510730.6705,
        "existing_z": 157.4907,
        "design_z": 159.1198,
        "delta_z": 1.6291
      },
      {
        "ch": 330.0,
        "easting": 450809.5761,
        "northing": 6510728.0822,
        "existing_z": 157.3391,
        "design_z": 158.9643,
        "delta_z": 1.6252
      },
      {
        "ch": 340.0,
        "easting": 450819.2353,
        "northing": 6510725.4938,
        "existing_z": 157.4958,
        "design_z": 158.8089,
        "delta_z": 1.3131
      },
      {
        "ch": 341.639,
        "easting": 450820.8185,
        "northing": 6510725.0696,
        "existing_z": 157.5212,
        "design_z": 158.7834,
        "delta_z": 1.2622
      },
      {
        "ch": 350.0,
        "easting": 450828.8946,
        "northing": 6510722.9055,
        "existing_z": 157.6386,
        "design_z": 158.6909,
        "delta_z": 1.0523
      },
      {
        "ch": 360.0,
        "easting": 450838.5538,
        "northing": 6510720.3172,
        "existing_z": 157.8799,
        "design_z": 158.6789,
        "delta_z": 0.799
      },
      {
        "ch": 361.639,
        "easting": 450840.137,
        "northing": 6510719.8929,
        "existing_z": 157.9202,
        "design_z": 158.6872,
        "delta_z": 0.7671
      },
      {
        "ch": 370.0,
        "easting": 450848.213,
        "northing": 6510717.7288,
        "existing_z": 158.117,
        "design_z": 158.7743,
        "delta_z": 0.6574
      },
      {
        "ch": 380.0,
        "easting": 450857.8722,
        "northing": 6510715.1405,
        "existing_z": 158.3765,
        "design_z": 158.9771,
        "delta_z": 0.6006
      },
      {
        "ch": 381.639,
        "easting": 450859.4554,
        "northing": 6510714.7163,
        "existing_z": 158.4202,
        "design_z": 159.0206,
        "delta_z": 0.6004
      },
      {
        "ch": 390.0,
        "easting": 450867.5314,
        "northing": 6510712.5522,
        "existing_z": 158.6429,
        "design_z": 159.2497,
        "delta_z": 0.6068
      },
      {
        "ch": 400.0,
        "easting": 450877.1907,
        "northing": 6510709.9639,
        "existing_z": 158.9659,
        "design_z": 159.5238,
        "delta_z": 0.5578
      },
      {
        "ch": 410.0,
        "easting": 450886.8499,
        "northing": 6510707.3755,
        "existing_z": 159.3058,
        "design_z": 159.7979,
        "delta_z": 0.492
      },
      {
        "ch": 420.0,
        "easting": 450896.5091,
        "northing": 6510704.7872,
        "existing_z": 159.748,
        "design_z": 160.0719,
        "delta_z": 0.3239
      },
      {
        "ch": 430.0,
        "easting": 450906.1683,
        "northing": 6510702.1989,
        "existing_z": 160.2496,
        "design_z": 160.346,
        "delta_z": 0.0964
      },
      {
        "ch": 433.9668,
        "easting": 450910.0,
        "northing": 6510701.1721,
        "existing_z": 160.4547,
        "design_z": 160.4547,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD198",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 138.826,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 16.4,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452568.9950000001,
          6510828.995
        ],
        "end": [
          452667.1600000026,
          6510730.829999997
        ],
        "chainage_start": 0,
        "length": 138.82627435411186
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 69.41313717705593,
        "pvi_z": 205.46926619199292,
        "bvc": 49.41313717705593,
        "evc": 89.41313717705593,
        "length": 40.0,
        "g1": -0.1277473264478367,
        "g2": -0.1640195852446863,
        "z_bvc": 208.02421272094966,
        "K_m_per_percent": 11.02771134933405
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452568.995,
        "northing": 6510828.995,
        "existing_z": 214.3366,
        "design_z": 214.3366,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452576.0661,
        "northing": 6510821.9239,
        "existing_z": 213.1395,
        "design_z": 213.0591,
        "delta_z": -0.0804
      },
      {
        "ch": 20.0,
        "easting": 452583.1371,
        "northing": 6510814.8529,
        "existing_z": 211.9465,
        "design_z": 211.7817,
        "delta_z": -0.1648
      },
      {
        "ch": 30.0,
        "easting": 452590.2082,
        "northing": 6510807.7818,
        "existing_z": 210.7729,
        "design_z": 210.5042,
        "delta_z": -0.2687
      },
      {
        "ch": 40.0,
        "easting": 452597.2793,
        "northing": 6510800.7107,
        "existing_z": 209.621,
        "design_z": 209.2267,
        "delta_z": -0.3943
      },
      {
        "ch": 49.4131,
        "easting": 452603.9354,
        "northing": 6510794.0546,
        "existing_z": 208.5255,
        "design_z": 208.0242,
        "delta_z": -0.5013
      },
      {
        "ch": 50.0,
        "easting": 452604.3503,
        "northing": 6510793.6397,
        "existing_z": 208.4568,
        "design_z": 207.9491,
        "delta_z": -0.5077
      },
      {
        "ch": 60.0,
        "easting": 452611.4214,
        "northing": 6510786.5686,
        "existing_z": 207.2772,
        "design_z": 206.621,
        "delta_z": -0.6563
      },
      {
        "ch": 69.4131,
        "easting": 452618.0775,
        "northing": 6510779.9125,
        "existing_z": 206.1068,
        "design_z": 205.2879,
        "delta_z": -0.8189
      },
      {
        "ch": 70.0,
        "easting": 452618.4925,
        "northing": 6510779.4975,
        "existing_z": 206.0318,
        "design_z": 205.2021,
        "delta_z": -0.8297
      },
      {
        "ch": 80.0,
        "easting": 452625.5635,
        "northing": 6510772.4265,
        "existing_z": 204.7178,
        "design_z": 203.6926,
        "delta_z": -1.0252
      },
      {
        "ch": 89.4131,
        "easting": 452632.2196,
        "northing": 6510765.7704,
        "existing_z": 203.3432,
        "design_z": 202.1889,
        "delta_z": -1.1544
      },
      {
        "ch": 90.0,
        "easting": 452632.6346,
        "northing": 6510765.3554,
        "existing_z": 203.2515,
        "design_z": 202.0926,
        "delta_z": -1.1589
      },
      {
        "ch": 100.0,
        "easting": 452639.7057,
        "northing": 6510758.2843,
        "existing_z": 201.6148,
        "design_z": 200.4524,
        "delta_z": -1.1624
      },
      {
        "ch": 110.0,
        "easting": 452646.7767,
        "northing": 6510751.2133,
        "existing_z": 199.8397,
        "design_z": 198.8122,
        "delta_z": -1.0275
      },
      {
        "ch": 120.0,
        "easting": 452653.8478,
        "northing": 6510744.1422,
        "existing_z": 197.9597,
        "design_z": 197.172,
        "delta_z": -0.7876
      },
      {
        "ch": 130.0,
        "easting": 452660.9189,
        "northing": 6510737.0711,
        "existing_z": 195.9688,
        "design_z": 195.5318,
        "delta_z": -0.4369
      },
      {
        "ch": 138.8263,
        "easting": 452667.16,
        "northing": 6510730.83,
        "existing_z": 194.0842,
        "design_z": 194.0842,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD199",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 104.112,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 8.21,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452568.9950000001,
          6510828.995
        ],
        "end": [
          452555.93969696196,
          6510815.939696962
        ],
        "chainage_start": 0,
        "length": 18.462986617409907
      },
      {
        "type": "ARC",
        "centre": [
          452570.27939392393,
          6510801.6
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 2.3561944901781375,
        "sweep_rad": 0.7853981633974483,
        "start": [
          452555.93969696196,
          6510815.939696962
        ],
        "end": [
          452550.0,
          6510801.6
        ],
        "chainage_start": 18.462986617409907,
        "length": 15.927398742671134,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452550.0,
          6510801.6
        ],
        "end": [
          452550.0,
          6510798.4
        ],
        "chainage_start": 34.39038536008104,
        "length": 3.199999999254942
      },
      {
        "type": "ARC",
        "centre": [
          452529.72060607607,
          6510798.4
        ],
        "radius": 20.279393923913993,
        "start_angle_rad": 0.0,
        "sweep_rad": -0.7853981633981459,
        "start": [
          452550.0,
          6510798.4
        ],
        "end": [
          452544.06030303804,
          6510784.060303038
        ],
        "chainage_start": 37.59038535933598,
        "length": 15.92739874266957,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452544.060303038,
          6510784.060303038
        ],
        "end": [
          452508.2850000001,
          6510748.285
        ],
        "chainage_start": 53.51778410200555,
        "length": 50.59391875415784
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 52.055851428081695,
        "pvi_z": 210.4958854294727,
        "bvc": 32.055851428081695,
        "evc": 72.0558514280817,
        "length": 40.0,
        "g1": -0.07378082101975095,
        "g2": -0.08206762375185135,
        "z_bvc": 211.97150184986774,
        "K_m_per_percent": 48.269521181013374
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452568.995,
        "northing": 6510828.995,
        "existing_z": 214.3366,
        "design_z": 214.3366,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452561.9239,
        "northing": 6510821.9239,
        "existing_z": 213.9494,
        "design_z": 213.5988,
        "delta_z": -0.3506
      },
      {
        "ch": 20.0,
        "easting": 452554.8951,
        "northing": 6510814.8127,
        "existing_z": 213.5528,
        "design_z": 212.861,
        "delta_z": -0.6918
      },
      {
        "ch": 30.0,
        "easting": 452550.4734,
        "northing": 6510805.9562,
        "existing_z": 212.8091,
        "design_z": 212.1232,
        "delta_z": -0.6859
      },
      {
        "ch": 32.0559,
        "easting": 452550.1342,
        "northing": 6510803.9294,
        "existing_z": 212.5986,
        "design_z": 211.9715,
        "delta_z": -0.6271
      },
      {
        "ch": 40.0,
        "easting": 452549.857,
        "northing": 6510795.9961,
        "existing_z": 211.7126,
        "design_z": 211.3788,
        "delta_z": -0.3337
      },
      {
        "ch": 50.0,
        "easting": 452546.3201,
        "northing": 6510786.7505,
        "existing_z": 210.754,
        "design_z": 210.6142,
        "delta_z": -0.1398
      },
      {
        "ch": 52.0559,
        "easting": 452545.0559,
        "northing": 6510785.1304,
        "existing_z": 210.6051,
        "design_z": 210.4545,
        "delta_z": -0.1507
      },
      {
        "ch": 60.0,
        "easting": 452539.4767,
        "northing": 6510779.4767,
        "existing_z": 210.082,
        "design_z": 209.8289,
        "delta_z": -0.2532
      },
      {
        "ch": 70.0,
        "easting": 452532.4056,
        "northing": 6510772.4056,
        "existing_z": 209.393,
        "design_z": 209.0228,
        "delta_z": -0.3702
      },
      {
        "ch": 72.0559,
        "easting": 452530.9519,
        "northing": 6510770.9519,
        "existing_z": 209.2464,
        "design_z": 208.8545,
        "delta_z": -0.3919
      },
      {
        "ch": 80.0,
        "easting": 452525.3345,
        "northing": 6510765.3345,
        "existing_z": 208.5515,
        "design_z": 208.2026,
        "delta_z": -0.3489
      },
      {
        "ch": 90.0,
        "easting": 452518.2635,
        "northing": 6510758.2635,
        "existing_z": 207.6277,
        "design_z": 207.3819,
        "delta_z": -0.2458
      },
      {
        "ch": 100.0,
        "easting": 452511.1924,
        "northing": 6510751.1924,
        "existing_z": 206.6832,
        "design_z": 206.5612,
        "delta_z": -0.1219
      },
      {
        "ch": 104.1117,
        "easting": 452508.285,
        "northing": 6510748.285,
        "existing_z": 206.2238,
        "design_z": 206.2238,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD200",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 79.88,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.49,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449780.0,
          6510800.12
        ],
        "end": [
          449859.8799999999,
          6510800.12
        ],
        "chainage_start": 0,
        "length": 79.87999999988824
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449780.0,
        "northing": 6510800.12,
        "existing_z": 192.2377,
        "design_z": 192.2377,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449790.0,
        "northing": 6510800.12,
        "existing_z": 192.3204,
        "design_z": 192.7866,
        "delta_z": 0.4662
      },
      {
        "ch": 20.0,
        "easting": 449800.0,
        "northing": 6510800.12,
        "existing_z": 192.8408,
        "design_z": 193.3355,
        "delta_z": 0.4947
      },
      {
        "ch": 30.0,
        "easting": 449810.0,
        "northing": 6510800.12,
        "existing_z": 193.3612,
        "design_z": 193.8845,
        "delta_z": 0.5233
      },
      {
        "ch": 40.0,
        "easting": 449820.0,
        "northing": 6510800.12,
        "existing_z": 194.0809,
        "design_z": 194.4334,
        "delta_z": 0.3525
      },
      {
        "ch": 50.0,
        "easting": 449830.0,
        "northing": 6510800.12,
        "existing_z": 194.8007,
        "design_z": 194.9824,
        "delta_z": 0.1817
      },
      {
        "ch": 60.0,
        "easting": 449840.0,
        "northing": 6510800.12,
        "existing_z": 195.4176,
        "design_z": 195.5313,
        "delta_z": 0.1138
      },
      {
        "ch": 70.0,
        "easting": 449850.0,
        "northing": 6510800.12,
        "existing_z": 196.0344,
        "design_z": 196.0803,
        "delta_z": 0.0459
      },
      {
        "ch": 79.88,
        "easting": 449859.88,
        "northing": 6510800.12,
        "existing_z": 196.6226,
        "design_z": 196.6226,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD201",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 170.12,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 8.49,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449859.8799999999,
          6510800.12
        ],
        "end": [
          450030.0,
          6510800.12
        ],
        "chainage_start": 0,
        "length": 170.12000000011176
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 56.70666666670392,
        "pvi_z": 200.42843568750584,
        "bvc": 36.70666666670392,
        "evc": 76.70666666670391,
        "length": 40.0,
        "g1": 0.06711381612640537,
        "g2": 0.07144435258844373,
        "z_bvc": 199.08615936497773,
        "K_m_per_percent": 92.36730910971755
      },
      {
        "pvi_ch": 113.41333333340783,
        "pvi_z": 204.47980677495718,
        "bvc": 93.41333333340783,
        "evc": 133.41333333340782,
        "length": 40.0,
        "g1": 0.07144435258844373,
        "g2": 0.08486478430966136,
        "z_bvc": 203.05091972318831,
        "K_m_per_percent": 29.805300478344666
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449859.88,
        "northing": 6510800.12,
        "existing_z": 196.6226,
        "design_z": 196.6226,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449869.88,
        "northing": 6510800.12,
        "existing_z": 197.218,
        "design_z": 197.2938,
        "delta_z": 0.0758
      },
      {
        "ch": 20.0,
        "easting": 449879.88,
        "northing": 6510800.12,
        "existing_z": 197.9056,
        "design_z": 197.9649,
        "delta_z": 0.0593
      },
      {
        "ch": 30.0,
        "easting": 449889.88,
        "northing": 6510800.12,
        "existing_z": 198.5944,
        "design_z": 198.636,
        "delta_z": 0.0417
      },
      {
        "ch": 36.7067,
        "easting": 449896.5867,
        "northing": 6510800.12,
        "existing_z": 199.0592,
        "design_z": 199.0862,
        "delta_z": 0.0269
      },
      {
        "ch": 40.0,
        "easting": 449899.88,
        "northing": 6510800.12,
        "existing_z": 199.2876,
        "design_z": 199.3078,
        "delta_z": 0.0202
      },
      {
        "ch": 50.0,
        "easting": 449909.88,
        "northing": 6510800.12,
        "existing_z": 199.9808,
        "design_z": 199.9879,
        "delta_z": 0.0071
      },
      {
        "ch": 56.7067,
        "easting": 449916.5867,
        "northing": 6510800.12,
        "existing_z": 200.3896,
        "design_z": 200.4501,
        "delta_z": 0.0605
      },
      {
        "ch": 60.0,
        "easting": 449919.88,
        "northing": 6510800.12,
        "existing_z": 200.5899,
        "design_z": 200.6788,
        "delta_z": 0.089
      },
      {
        "ch": 70.0,
        "easting": 449929.88,
        "northing": 6510800.12,
        "existing_z": 201.198,
        "design_z": 201.3806,
        "delta_z": 0.1826
      },
      {
        "ch": 76.7067,
        "easting": 449936.5867,
        "northing": 6510800.12,
        "existing_z": 201.6441,
        "design_z": 201.8573,
        "delta_z": 0.2132
      },
      {
        "ch": 80.0,
        "easting": 449939.88,
        "northing": 6510800.12,
        "existing_z": 201.8635,
        "design_z": 202.0926,
        "delta_z": 0.2291
      },
      {
        "ch": 90.0,
        "easting": 449949.88,
        "northing": 6510800.12,
        "existing_z": 202.5297,
        "design_z": 202.8071,
        "delta_z": 0.2773
      },
      {
        "ch": 93.4133,
        "easting": 449953.2933,
        "northing": 6510800.12,
        "existing_z": 202.7878,
        "design_z": 203.0509,
        "delta_z": 0.2632
      },
      {
        "ch": 100.0,
        "easting": 449959.88,
        "northing": 6510800.12,
        "existing_z": 203.2878,
        "design_z": 203.5288,
        "delta_z": 0.241
      },
      {
        "ch": 110.0,
        "easting": 449969.88,
        "northing": 6510800.12,
        "existing_z": 204.0469,
        "design_z": 204.2821,
        "delta_z": 0.2352
      },
      {
        "ch": 113.4133,
        "easting": 449973.2933,
        "northing": 6510800.12,
        "existing_z": 204.3115,
        "design_z": 204.5469,
        "delta_z": 0.2354
      },
      {
        "ch": 120.0,
        "easting": 449979.88,
        "northing": 6510800.12,
        "existing_z": 204.8224,
        "design_z": 205.069,
        "delta_z": 0.2465
      },
      {
        "ch": 130.0,
        "easting": 449989.88,
        "northing": 6510800.12,
        "existing_z": 205.5981,
        "design_z": 205.8894,
        "delta_z": 0.2913
      },
      {
        "ch": 133.4133,
        "easting": 449993.2933,
        "northing": 6510800.12,
        "existing_z": 205.884,
        "design_z": 206.1771,
        "delta_z": 0.2931
      },
      {
        "ch": 140.0,
        "easting": 449999.88,
        "northing": 6510800.12,
        "existing_z": 206.437,
        "design_z": 206.7361,
        "delta_z": 0.2991
      },
      {
        "ch": 150.0,
        "easting": 450009.88,
        "northing": 6510800.12,
        "existing_z": 207.2767,
        "design_z": 207.5847,
        "delta_z": 0.3081
      },
      {
        "ch": 160.0,
        "easting": 450019.88,
        "northing": 6510800.12,
        "existing_z": 208.2774,
        "design_z": 208.4334,
        "delta_z": 0.1559
      },
      {
        "ch": 170.0,
        "easting": 450029.88,
        "northing": 6510800.12,
        "existing_z": 209.2802,
        "design_z": 209.282,
        "delta_z": 0.0019
      },
      {
        "ch": 170.12,
        "easting": 450030.0,
        "northing": 6510800.12,
        "existing_z": 209.2922,
        "design_z": 209.2922,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD202",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 3.0,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.88,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450030.0,
          6510800.12
        ],
        "end": [
          450033.0,
          6510800.12
        ],
        "chainage_start": 0,
        "length": 3.0
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450030.0,
        "northing": 6510800.12,
        "existing_z": 209.2922,
        "design_z": 209.2922,
        "delta_z": 0.0
      },
      {
        "ch": 3.0,
        "easting": 450033.0,
        "northing": 6510800.12,
        "existing_z": 209.6786,
        "design_z": 209.6786,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD203",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 160.01,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 14.48,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450379.99,
          6510800.12
        ],
        "end": [
          450540.0,
          6510800.12
        ],
        "chainage_start": 0,
        "length": 160.0100000000093
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 53.33666666666977,
        "pvi_z": 187.15835249430245,
        "bvc": 33.33666666666977,
        "evc": 73.33666666666977,
        "length": 40.0,
        "g1": -0.14475648548028675,
        "g2": -0.10426261987008217,
        "z_bvc": 190.05348220390817,
        "K_m_per_percent": 9.87803940108891
      },
      {
        "pvi_ch": 106.67333333333954,
        "pvi_z": 181.59733189249818,
        "bvc": 86.67333333333954,
        "evc": 126.67333333333954,
        "length": 40.0,
        "g1": -0.10426261987008217,
        "g2": -0.086565351224103,
        "z_bvc": 183.6825842898998,
        "K_m_per_percent": 22.602357911930106
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450379.99,
        "northing": 6510800.12,
        "existing_z": 194.8792,
        "design_z": 194.8792,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450389.99,
        "northing": 6510800.12,
        "existing_z": 193.0654,
        "design_z": 193.4316,
        "delta_z": 0.3662
      },
      {
        "ch": 20.0,
        "easting": 450399.99,
        "northing": 6510800.12,
        "existing_z": 191.4572,
        "design_z": 191.9841,
        "delta_z": 0.5269
      },
      {
        "ch": 30.0,
        "easting": 450409.99,
        "northing": 6510800.12,
        "existing_z": 189.8492,
        "design_z": 190.5365,
        "delta_z": 0.6873
      },
      {
        "ch": 33.3367,
        "easting": 450413.3267,
        "northing": 6510800.12,
        "existing_z": 189.3827,
        "design_z": 190.0535,
        "delta_z": 0.6708
      },
      {
        "ch": 40.0,
        "easting": 450419.99,
        "northing": 6510800.12,
        "existing_z": 188.4514,
        "design_z": 189.1114,
        "delta_z": 0.66
      },
      {
        "ch": 50.0,
        "easting": 450429.99,
        "northing": 6510800.12,
        "existing_z": 187.0537,
        "design_z": 187.7819,
        "delta_z": 0.7282
      },
      {
        "ch": 53.3367,
        "easting": 450433.3267,
        "northing": 6510800.12,
        "existing_z": 186.6657,
        "design_z": 187.3608,
        "delta_z": 0.6951
      },
      {
        "ch": 60.0,
        "easting": 450439.99,
        "northing": 6510800.12,
        "existing_z": 185.8913,
        "design_z": 186.5536,
        "delta_z": 0.6623
      },
      {
        "ch": 70.0,
        "easting": 450449.99,
        "northing": 6510800.12,
        "existing_z": 184.7292,
        "design_z": 185.4266,
        "delta_z": 0.6974
      },
      {
        "ch": 73.3367,
        "easting": 450453.3267,
        "northing": 6510800.12,
        "existing_z": 184.415,
        "design_z": 185.0731,
        "delta_z": 0.6581
      },
      {
        "ch": 80.0,
        "easting": 450459.99,
        "northing": 6510800.12,
        "existing_z": 183.7879,
        "design_z": 184.3784,
        "delta_z": 0.5905
      },
      {
        "ch": 86.6733,
        "easting": 450466.6633,
        "northing": 6510800.12,
        "existing_z": 183.1598,
        "design_z": 183.6826,
        "delta_z": 0.5228
      },
      {
        "ch": 90.0,
        "easting": 450469.99,
        "northing": 6510800.12,
        "existing_z": 182.8467,
        "design_z": 183.3382,
        "delta_z": 0.4915
      },
      {
        "ch": 100.0,
        "easting": 450479.99,
        "northing": 6510800.12,
        "existing_z": 182.0098,
        "design_z": 182.3324,
        "delta_z": 0.3226
      },
      {
        "ch": 106.6733,
        "easting": 450486.6633,
        "northing": 6510800.12,
        "existing_z": 181.4513,
        "design_z": 181.6858,
        "delta_z": 0.2345
      },
      {
        "ch": 110.0,
        "easting": 450489.99,
        "northing": 6510800.12,
        "existing_z": 181.1729,
        "design_z": 181.3709,
        "delta_z": 0.1979
      },
      {
        "ch": 120.0,
        "easting": 450499.99,
        "northing": 6510800.12,
        "existing_z": 180.3134,
        "design_z": 180.4536,
        "delta_z": 0.1402
      },
      {
        "ch": 126.6733,
        "easting": 450506.6633,
        "northing": 6510800.12,
        "existing_z": 179.7397,
        "design_z": 179.866,
        "delta_z": 0.1263
      },
      {
        "ch": 130.0,
        "easting": 450509.99,
        "northing": 6510800.12,
        "existing_z": 179.4538,
        "design_z": 179.5781,
        "delta_z": 0.1243
      },
      {
        "ch": 140.0,
        "easting": 450519.99,
        "northing": 6510800.12,
        "existing_z": 178.6055,
        "design_z": 178.7124,
        "delta_z": 0.1069
      },
      {
        "ch": 150.0,
        "easting": 450529.99,
        "northing": 6510800.12,
        "existing_z": 177.7572,
        "design_z": 177.8467,
        "delta_z": 0.0896
      },
      {
        "ch": 160.0,
        "easting": 450539.99,
        "northing": 6510800.12,
        "existing_z": 176.981,
        "design_z": 176.9811,
        "delta_z": 0.0001
      },
      {
        "ch": 160.01,
        "easting": 450540.0,
        "northing": 6510800.12,
        "existing_z": 176.9802,
        "design_z": 176.9802,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD204",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 6.386,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.45,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450910.0,
          6510804.704634217
        ],
        "end": [
          450916.16843931813,
          6510803.05175798
        ],
        "chainage_start": 0,
        "length": 6.386050694648439
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450910.0,
        "northing": 6510804.7046,
        "existing_z": 165.1036,
        "design_z": 165.1036,
        "delta_z": 0.0
      },
      {
        "ch": 6.3861,
        "easting": 450916.1684,
        "northing": 6510803.0518,
        "existing_z": 165.5155,
        "design_z": 165.5155,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD205",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 9.88,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 8.17,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449780.0,
          6510810.0
        ],
        "end": [
          449780.0,
          6510800.12
        ],
        "chainage_start": 0,
        "length": 9.879999999888241
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449780.0,
        "northing": 6510810.0,
        "existing_z": 193.0452,
        "design_z": 193.0452,
        "delta_z": 0.0
      },
      {
        "ch": 9.88,
        "easting": 449780.0,
        "northing": 6510800.12,
        "existing_z": 192.2377,
        "design_z": 192.2377,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD206",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 419.998,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 13.26,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452170.0,
          6510945.15
        ],
        "end": [
          452379.32180000003,
          6510735.8282
        ],
        "chainage_start": 0,
        "length": 296.025728460397
      },
      {
        "type": "ARC",
        "centre": [
          452409.02,
          6510765.5264
        ],
        "radius": 41.999597218005604,
        "start_angle_rad": -2.356194490200185,
        "sweep_rad": 1.570796326795871,
        "start": [
          452379.32180000003,
          6510735.8282
        ],
        "end": [
          452438.7182,
          6510735.8282
        ],
        "chainage_start": 296.025728460397,
        "length": 65.97281303694928,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452438.71819999977,
          6510735.828199999
        ],
        "end": [
          452479.73,
          6510776.84
        ],
        "chainage_start": 361.99854149734625,
        "length": 57.99944377779625
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 69.99966421252375,
        "pvi_z": 228.59621311028866,
        "bvc": 49.999664212523754,
        "evc": 89.99966421252375,
        "length": 40.0,
        "g1": 0.0014372589164600431,
        "g2": -0.04489028860264318,
        "z_bvc": 228.56746793195947,
        "K_m_per_percent": 8.63417170604724
      },
      {
        "pvi_ch": 139.9993284250475,
        "pvi_z": 225.45390798170035,
        "bvc": 119.99932842504751,
        "evc": 159.9993284250475,
        "length": 40.0,
        "g1": -0.04489028860264318,
        "g2": -0.10897027639168737,
        "z_bvc": 226.35171375375322,
        "K_m_per_percent": 6.2421984429339785
      },
      {
        "pvi_ch": 209.99899263757126,
        "pvi_z": 217.82602522513633,
        "bvc": 189.99899263757126,
        "evc": 229.99899263757126,
        "length": 40.0,
        "g1": -0.10897027639168737,
        "g2": -0.13263694847181426,
        "z_bvc": 220.00543075297008,
        "K_m_per_percent": 16.901404584714868
      },
      {
        "pvi_ch": 279.998656850095,
        "pvi_z": 208.54148336993552,
        "bvc": 259.998656850095,
        "evc": 299.998656850095,
        "length": 40.0,
        "g1": -0.13263694847181426,
        "g2": -0.08812986154697709,
        "z_bvc": 211.1942223393718,
        "K_m_per_percent": 8.987332751647248
      },
      {
        "pvi_ch": 349.99832106261874,
        "pvi_z": 202.37242265455092,
        "bvc": 318.49847216698305,
        "evc": 381.49816995825444,
        "length": 62.99969779127135,
        "g1": -0.08812986154697709,
        "g2": 0.07013123697142179,
        "z_bvc": 205.148499976474,
        "K_m_per_percent": 3.9807443762907555
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452170.0,
        "northing": 6510945.15,
        "existing_z": 228.4956,
        "design_z": 228.4956,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452177.0711,
        "northing": 6510938.0789,
        "existing_z": 228.8312,
        "design_z": 228.51,
        "delta_z": -0.3212
      },
      {
        "ch": 20.0,
        "easting": 452184.1421,
        "northing": 6510931.0079,
        "existing_z": 229.1441,
        "design_z": 228.5244,
        "delta_z": -0.6197
      },
      {
        "ch": 30.0,
        "easting": 452191.2132,
        "northing": 6510923.9368,
        "existing_z": 229.3348,
        "design_z": 228.5387,
        "delta_z": -0.7961
      },
      {
        "ch": 40.0,
        "easting": 452198.2843,
        "northing": 6510916.8657,
        "existing_z": 229.4142,
        "design_z": 228.5531,
        "delta_z": -0.8611
      },
      {
        "ch": 49.9997,
        "easting": 452205.3551,
        "northing": 6510909.7949,
        "existing_z": 229.4709,
        "design_z": 228.5675,
        "delta_z": -0.9035
      },
      {
        "ch": 50.0,
        "easting": 452205.3553,
        "northing": 6510909.7947,
        "existing_z": 229.4709,
        "design_z": 228.5675,
        "delta_z": -0.9035
      },
      {
        "ch": 60.0,
        "easting": 452212.4264,
        "northing": 6510902.7236,
        "existing_z": 229.3772,
        "design_z": 228.5239,
        "delta_z": -0.8533
      },
      {
        "ch": 69.9997,
        "easting": 452219.4972,
        "northing": 6510895.6528,
        "existing_z": 229.2071,
        "design_z": 228.3646,
        "delta_z": -0.8425
      },
      {
        "ch": 70.0,
        "easting": 452219.4975,
        "northing": 6510895.6525,
        "existing_z": 229.2071,
        "design_z": 228.3646,
        "delta_z": -0.8425
      },
      {
        "ch": 80.0,
        "easting": 452226.5685,
        "northing": 6510888.5815,
        "existing_z": 229.0262,
        "design_z": 228.0894,
        "delta_z": -0.9368
      },
      {
        "ch": 89.9997,
        "easting": 452233.6394,
        "northing": 6510881.5106,
        "existing_z": 228.7416,
        "design_z": 227.6984,
        "delta_z": -1.0432
      },
      {
        "ch": 90.0,
        "easting": 452233.6396,
        "northing": 6510881.5104,
        "existing_z": 228.7416,
        "design_z": 227.6984,
        "delta_z": -1.0432
      },
      {
        "ch": 100.0,
        "easting": 452240.7107,
        "northing": 6510874.4393,
        "existing_z": 228.4035,
        "design_z": 227.2495,
        "delta_z": -1.154
      },
      {
        "ch": 110.0,
        "easting": 452247.7817,
        "northing": 6510867.3683,
        "existing_z": 228.0621,
        "design_z": 226.8006,
        "delta_z": -1.2616
      },
      {
        "ch": 119.9993,
        "easting": 452254.8523,
        "northing": 6510860.2977,
        "existing_z": 227.5615,
        "design_z": 226.3517,
        "delta_z": -1.2098
      },
      {
        "ch": 120.0,
        "easting": 452254.8528,
        "northing": 6510860.2972,
        "existing_z": 227.5614,
        "design_z": 226.3517,
        "delta_z": -1.2098
      },
      {
        "ch": 130.0,
        "easting": 452261.9239,
        "northing": 6510853.2261,
        "existing_z": 227.0026,
        "design_z": 225.8227,
        "delta_z": -1.1799
      },
      {
        "ch": 139.9993,
        "easting": 452268.9945,
        "northing": 6510846.1555,
        "existing_z": 226.4115,
        "design_z": 225.1335,
        "delta_z": -1.2779
      },
      {
        "ch": 140.0,
        "easting": 452268.9949,
        "northing": 6510846.1551,
        "existing_z": 226.4114,
        "design_z": 225.1335,
        "delta_z": -1.278
      },
      {
        "ch": 150.0,
        "easting": 452276.066,
        "northing": 6510839.084,
        "existing_z": 225.5652,
        "design_z": 224.284,
        "delta_z": -1.2812
      },
      {
        "ch": 159.9993,
        "easting": 452283.1366,
        "northing": 6510832.0134,
        "existing_z": 224.6625,
        "design_z": 223.2745,
        "delta_z": -1.388
      },
      {
        "ch": 160.0,
        "easting": 452283.1371,
        "northing": 6510832.0129,
        "existing_z": 224.6625,
        "design_z": 223.2744,
        "delta_z": -1.388
      },
      {
        "ch": 170.0,
        "easting": 452290.2082,
        "northing": 6510824.9418,
        "existing_z": 223.6807,
        "design_z": 222.1847,
        "delta_z": -1.496
      },
      {
        "ch": 180.0,
        "easting": 452297.2792,
        "northing": 6510817.8708,
        "existing_z": 222.3787,
        "design_z": 221.095,
        "delta_z": -1.2837
      },
      {
        "ch": 189.999,
        "easting": 452304.3496,
        "northing": 6510810.8004,
        "existing_z": 221.0687,
        "design_z": 220.0054,
        "delta_z": -1.0632
      },
      {
        "ch": 190.0,
        "easting": 452304.3503,
        "northing": 6510810.7997,
        "existing_z": 221.0685,
        "design_z": 220.0053,
        "delta_z": -1.0632
      },
      {
        "ch": 200.0,
        "easting": 452311.4214,
        "northing": 6510803.7286,
        "existing_z": 219.6601,
        "design_z": 218.886,
        "delta_z": -0.7741
      },
      {
        "ch": 209.999,
        "easting": 452318.4917,
        "northing": 6510796.6583,
        "existing_z": 218.0788,
        "design_z": 217.7077,
        "delta_z": -0.3712
      },
      {
        "ch": 210.0,
        "easting": 452318.4924,
        "northing": 6510796.6576,
        "existing_z": 218.0787,
        "design_z": 217.7076,
        "delta_z": -0.3711
      },
      {
        "ch": 220.0,
        "easting": 452325.5635,
        "northing": 6510789.5865,
        "existing_z": 216.5263,
        "design_z": 216.4699,
        "delta_z": -0.0563
      },
      {
        "ch": 229.999,
        "easting": 452332.6338,
        "northing": 6510782.5162,
        "existing_z": 215.0308,
        "design_z": 215.1733,
        "delta_z": 0.1425
      },
      {
        "ch": 230.0,
        "easting": 452332.6346,
        "northing": 6510782.5154,
        "existing_z": 215.0306,
        "design_z": 215.1732,
        "delta_z": 0.1425
      },
      {
        "ch": 240.0,
        "easting": 452339.7056,
        "northing": 6510775.4444,
        "existing_z": 213.6125,
        "design_z": 213.8468,
        "delta_z": 0.2343
      },
      {
        "ch": 250.0,
        "easting": 452346.7767,
        "northing": 6510768.3733,
        "existing_z": 212.2442,
        "design_z": 212.5204,
        "delta_z": 0.2762
      },
      {
        "ch": 259.9987,
        "easting": 452353.8468,
        "northing": 6510761.3032,
        "existing_z": 210.9287,
        "design_z": 211.1942,
        "delta_z": 0.2655
      },
      {
        "ch": 260.0,
        "easting": 452353.8478,
        "northing": 6510761.3022,
        "existing_z": 210.9285,
        "design_z": 211.194,
        "delta_z": 0.2655
      },
      {
        "ch": 270.0,
        "easting": 452360.9188,
        "northing": 6510754.2312,
        "existing_z": 209.6447,
        "design_z": 209.9233,
        "delta_z": 0.2786
      },
      {
        "ch": 279.9987,
        "easting": 452367.9889,
        "northing": 6510747.1611,
        "existing_z": 208.3331,
        "design_z": 208.764,
        "delta_z": 0.4309
      },
      {
        "ch": 280.0,
        "easting": 452367.9899,
        "northing": 6510747.1601,
        "existing_z": 208.3329,
        "design_z": 208.7639,
        "delta_z": 0.431
      },
      {
        "ch": 290.0,
        "easting": 452375.061,
        "northing": 6510740.089,
        "existing_z": 206.9241,
        "design_z": 207.7157,
        "delta_z": 0.7915
      },
      {
        "ch": 299.9987,
        "easting": 452382.2597,
        "northing": 6510733.1559,
        "existing_z": 205.4655,
        "design_z": 206.7789,
        "delta_z": 1.3134
      },
      {
        "ch": 300.0,
        "easting": 452382.2607,
        "northing": 6510733.155,
        "existing_z": 205.4653,
        "design_z": 206.7788,
        "delta_z": 1.3135
      },
      {
        "ch": 310.0,
        "easting": 452390.6506,
        "northing": 6510727.757,
        "existing_z": 203.9196,
        "design_z": 205.8975,
        "delta_z": 1.9779
      },
      {
        "ch": 318.4985,
        "easting": 452398.6158,
        "northing": 6510724.8359,
        "existing_z": 202.5688,
        "design_z": 205.1485,
        "delta_z": 2.5797
      },
      {
        "ch": 320.0,
        "easting": 452400.0769,
        "northing": 6510724.49,
        "existing_z": 202.3399,
        "design_z": 205.019,
        "delta_z": 2.6791
      },
      {
        "ch": 330.0,
        "easting": 452410.0078,
        "northing": 6510723.5384,
        "existing_z": 200.9374,
        "design_z": 204.301,
        "delta_z": 3.3637
      },
      {
        "ch": 340.0,
        "easting": 452419.883,
        "northing": 6510724.9559,
        "existing_z": 200.0768,
        "design_z": 203.8343,
        "delta_z": 3.7574
      },
      {
        "ch": 349.9983,
        "easting": 452429.1437,
        "northing": 6510728.6618,
        "existing_z": 199.5823,
        "design_z": 203.6187,
        "delta_z": 4.0364
      },
      {
        "ch": 350.0,
        "easting": 452429.1452,
        "northing": 6510728.6626,
        "existing_z": 199.5823,
        "design_z": 203.6187,
        "delta_z": 4.0364
      },
      {
        "ch": 360.0,
        "easting": 452437.2719,
        "northing": 6510734.4492,
        "existing_z": 200.0268,
        "design_z": 203.6544,
        "delta_z": 3.6275
      },
      {
        "ch": 370.0,
        "easting": 452444.3761,
        "northing": 6510741.4861,
        "existing_z": 200.7596,
        "design_z": 203.9412,
        "delta_z": 3.1817
      },
      {
        "ch": 380.0,
        "easting": 452451.4472,
        "northing": 6510748.5572,
        "existing_z": 201.6779,
        "design_z": 204.4793,
        "delta_z": 2.8014
      },
      {
        "ch": 381.4982,
        "easting": 452452.5065,
        "northing": 6510749.6165,
        "existing_z": 201.8919,
        "design_z": 204.5815,
        "delta_z": 2.6896
      },
      {
        "ch": 390.0,
        "easting": 452458.5182,
        "northing": 6510755.6282,
        "existing_z": 203.0579,
        "design_z": 205.1778,
        "delta_z": 2.1199
      },
      {
        "ch": 400.0,
        "easting": 452465.5893,
        "northing": 6510762.6993,
        "existing_z": 204.4306,
        "design_z": 205.8791,
        "delta_z": 1.4485
      },
      {
        "ch": 410.0,
        "easting": 452472.6604,
        "northing": 6510769.7704,
        "existing_z": 205.8617,
        "design_z": 206.5804,
        "delta_z": 0.7187
      },
      {
        "ch": 419.998,
        "easting": 452479.73,
        "northing": 6510776.84,
        "existing_z": 207.2816,
        "design_z": 207.2816,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD207",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 19.732,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.09,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449780.0,
          6510800.12
        ],
        "end": [
          449787.01227929787,
          6510807.0481319465
        ],
        "chainage_start": 0,
        "length": 9.85753890266135
      },
      {
        "type": "ARC",
        "centre": [
          449785.8,
          6510808.275135284
        ],
        "radius": 1.7248647156948225,
        "start_angle_rad": -0.7914343073435375,
        "sweep_rad": 2.362230634191717,
        "start": [
          449787.01227929787,
          6510807.0481319465
        ],
        "end": [
          449785.8,
          6510810.0
        ],
        "chainage_start": 9.85753890266135,
        "length": 4.0745282712506965,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449785.7999999999,
          6510810.0
        ],
        "end": [
          449780.0,
          6510810.0
        ],
        "chainage_start": 13.932067173912046,
        "length": 5.799999999871943
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449780.0,
        "northing": 6510800.12,
        "existing_z": 192.2377,
        "design_z": 192.2377,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449787.1094,
        "northing": 6510807.1523,
        "existing_z": 192.8679,
        "design_z": 192.6469,
        "delta_z": -0.221
      },
      {
        "ch": 19.7321,
        "easting": 449780.0,
        "northing": 6510810.0,
        "existing_z": 193.0452,
        "design_z": 193.0452,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD208",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 12.179,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.38,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450910.0,
          6510804.704634217
        ],
        "end": [
          450910.0,
          6510807.775946371
        ],
        "chainage_start": 0,
        "length": 3.0713121546432376
      },
      {
        "type": "ARC",
        "centre": [
          450910.8447876551,
          6510807.775946371
        ],
        "radius": 0.8447876550992538,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -2.4155758154800306,
        "start": [
          450910.0,
          6510807.775946371
        ],
        "end": [
          450911.47654075833,
          6510808.336797687
        ],
        "chainage_start": 3.0713121546432376,
        "length": 2.040648628873843,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450911.47654075833,
          6510808.336797687
        ],
        "end": [
          450916.16843931813,
          6510803.05175798
        ],
        "chainage_start": 5.11196078351708,
        "length": 7.067217047817345
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450910.0,
        "northing": 6510804.7046,
        "existing_z": 165.1036,
        "design_z": 165.1036,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450914.7217,
        "northing": 6510804.6814,
        "existing_z": 165.4436,
        "design_z": 165.4418,
        "delta_z": -0.0018
      },
      {
        "ch": 12.1792,
        "easting": 450916.1684,
        "northing": 6510803.0518,
        "existing_z": 165.5155,
        "design_z": 165.5155,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD209",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 20.0,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.36,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449780.0,
          6510830.0
        ],
        "end": [
          449780.0,
          6510810.0
        ],
        "chainage_start": 0,
        "length": 20.0
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449780.0,
        "northing": 6510830.0,
        "existing_z": 193.9173,
        "design_z": 193.9173,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449780.0,
        "northing": 6510820.0,
        "existing_z": 193.4813,
        "design_z": 193.4813,
        "delta_z": -0.0
      },
      {
        "ch": 20.0,
        "easting": 449780.0,
        "northing": 6510810.0,
        "existing_z": 193.0452,
        "design_z": 193.0452,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD210",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 90.413,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.46,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449780.0,
          6510830.0
        ],
        "end": [
          449812.2521854777,
          6510830.0
        ],
        "chainage_start": 0,
        "length": 32.25218547770055
      },
      {
        "type": "ARC",
        "centre": [
          449812.2521854777,
          6510787.152985478
        ],
        "radius": 42.84701452219713,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -0.7853981633974484,
        "start": [
          449812.2521854777,
          6510830.0
        ],
        "end": [
          449842.54959999997,
          6510817.4504
        ],
        "chainage_start": 32.25218547770055,
        "length": 33.65196651279742,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449842.54959999997,
          6510817.4504
        ],
        "end": [
          449859.8799999999,
          6510800.12
        ],
        "chainage_start": 65.90415199049798,
        "length": 24.50888672152408
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 45.20651935601103,
        "pvi_z": 195.48221815908713,
        "bvc": 25.20651935601103,
        "evc": 65.20651935601103,
        "length": 40.0,
        "g1": 0.034616811011103206,
        "g2": 0.025226820043966692,
        "z_bvc": 194.78988193886505,
        "K_m_per_percent": 42.59855003055241
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449780.0,
        "northing": 6510830.0,
        "existing_z": 193.9173,
        "design_z": 193.9173,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449790.0,
        "northing": 6510830.0,
        "existing_z": 194.0035,
        "design_z": 194.2635,
        "delta_z": 0.26
      },
      {
        "ch": 20.0,
        "easting": 449800.0,
        "northing": 6510830.0,
        "existing_z": 194.4092,
        "design_z": 194.6096,
        "delta_z": 0.2004
      },
      {
        "ch": 25.2065,
        "easting": 449805.2065,
        "northing": 6510830.0,
        "existing_z": 194.6204,
        "design_z": 194.7899,
        "delta_z": 0.1695
      },
      {
        "ch": 30.0,
        "easting": 449810.0,
        "northing": 6510830.0,
        "existing_z": 194.8149,
        "design_z": 194.9531,
        "delta_z": 0.1382
      },
      {
        "ch": 40.0,
        "easting": 449819.9578,
        "northing": 6510829.3014,
        "existing_z": 195.3444,
        "design_z": 195.2763,
        "delta_z": -0.0681
      },
      {
        "ch": 45.2065,
        "easting": 449825.0101,
        "northing": 6510828.0566,
        "existing_z": 195.5897,
        "design_z": 195.4353,
        "delta_z": -0.1544
      },
      {
        "ch": 50.0,
        "easting": 449829.4968,
        "northing": 6510826.3766,
        "existing_z": 195.7977,
        "design_z": 195.576,
        "delta_z": -0.2217
      },
      {
        "ch": 60.0,
        "easting": 449838.1007,
        "northing": 6510821.3249,
        "existing_z": 196.2097,
        "design_z": 195.8522,
        "delta_z": -0.3575
      },
      {
        "ch": 65.2065,
        "easting": 449842.0523,
        "northing": 6510817.9397,
        "existing_z": 196.3652,
        "design_z": 195.9868,
        "delta_z": -0.3784
      },
      {
        "ch": 70.0,
        "easting": 449845.4458,
        "northing": 6510814.5542,
        "existing_z": 196.4811,
        "design_z": 196.1077,
        "delta_z": -0.3734
      },
      {
        "ch": 80.0,
        "easting": 449852.5169,
        "northing": 6510807.4831,
        "existing_z": 196.6408,
        "design_z": 196.3599,
        "delta_z": -0.2808
      },
      {
        "ch": 90.0,
        "easting": 449859.5879,
        "northing": 6510800.4121,
        "existing_z": 196.6247,
        "design_z": 196.6122,
        "delta_z": -0.0125
      },
      {
        "ch": 90.413,
        "easting": 449859.88,
        "northing": 6510800.12,
        "existing_z": 196.6226,
        "design_z": 196.6226,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD211",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 46.395,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 0.13,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449750.0,
          6510850.0
        ],
        "end": [
          449750.0,
          6510838.4
        ],
        "chainage_start": 0,
        "length": 11.599999999627471
      },
      {
        "type": "ARC",
        "centre": [
          449758.4,
          6510838.4
        ],
        "radius": 8.400000000000002,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 1.5707963267948966,
        "start": [
          449750.0,
          6510838.4
        ],
        "end": [
          449758.4,
          6510830.0
        ],
        "chainage_start": 11.599999999627471,
        "length": 13.194689145077135,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449758.4,
          6510830.0
        ],
        "end": [
          449780.0,
          6510830.0
        ],
        "chainage_start": 24.794689144704606,
        "length": 21.599999999976717
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449750.0,
        "northing": 6510850.0,
        "existing_z": 193.9754,
        "design_z": 193.9754,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449750.0,
        "northing": 6510840.0,
        "existing_z": 194.0093,
        "design_z": 193.9629,
        "delta_z": -0.0465
      },
      {
        "ch": 20.0,
        "easting": 449753.8615,
        "northing": 6510831.3316,
        "existing_z": 193.9999,
        "design_z": 193.9504,
        "delta_z": -0.0495
      },
      {
        "ch": 30.0,
        "easting": 449763.6053,
        "northing": 6510830.0,
        "existing_z": 193.8989,
        "design_z": 193.9378,
        "delta_z": 0.0389
      },
      {
        "ch": 40.0,
        "easting": 449773.6053,
        "northing": 6510830.0,
        "existing_z": 193.8622,
        "design_z": 193.9253,
        "delta_z": 0.0631
      },
      {
        "ch": 46.3947,
        "easting": 449780.0,
        "northing": 6510830.0,
        "existing_z": 193.9173,
        "design_z": 193.9173,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD212",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 441.229,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 14.01,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451028.1,
          6510773.06
        ],
        "end": [
          451017.602,
          6510782.885199999
        ],
        "chainage_start": 0,
        "length": 14.378545094557087
      },
      {
        "type": "ARC",
        "centre": [
          451034.0055821687,
          6510800.412049896
        ],
        "radius": 24.005582168675268,
        "start_angle_rad": -2.323101553156036,
        "sweep_rad": -0.8184911004277583,
        "start": [
          451017.602,
          6510782.885199999
        ],
        "end": [
          451010.0,
          6510800.412049896
        ],
        "chainage_start": 14.378545094557087,
        "length": 19.648355365647994,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451010.0,
          6510800.412049896
        ],
        "end": [
          451010.0,
          6510813.2
        ],
        "chainage_start": 34.026900460205084,
        "length": 12.787950104102492
      },
      {
        "type": "ARC",
        "centre": [
          451047.76544873836,
          6510813.2
        ],
        "radius": 37.76544873837422,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -0.8371276508682488,
        "start": [
          451010.0,
          6510813.2
        ],
        "end": [
          451022.4777441243,
          6510841.249262268
        ],
        "chainage_start": 46.81485056430758,
        "length": 31.61450138634048,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451022.4777441243,
          6510841.249262268
        ],
        "end": [
          451035.81915471045,
          6510853.277159715
        ],
        "chainage_start": 78.42935195064805,
        "length": 17.962838122969536
      },
      {
        "type": "ARC",
        "centre": [
          451065.9511072133,
          6510819.85463081
        ],
        "radius": 45.0,
        "start_angle_rad": 2.3044650027152906,
        "sweep_rad": -0.9954796209930009,
        "start": [
          451035.81915471045,
          6510853.277159715
        ],
        "end": [
          451077.59846659796,
          6510863.321158385
        ],
        "chainage_start": 96.3921900736176,
        "length": 44.79658294468504,
        "target_radius": 45,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          451077.5984665982,
          6510863.321158384
        ],
        "end": [
          451247.65853427316,
          6510817.751594039
        ],
        "chainage_start": 141.18877301830264,
        "length": 176.05968252905535
      },
      {
        "type": "ARC",
        "centre": [
          451258.52959400316,
          6510858.321065788
        ],
        "radius": 42.00073782334473,
        "start_angle_rad": -1.8326072718632345,
        "sweep_rad": 1.570845475280932,
        "start": [
          451247.65853427316,
          6510817.751594039
        ],
        "end": [
          451299.09959999996,
          6510847.4520000005
        ],
        "chainage_start": 317.248455547358,
        "length": 65.97666896826176,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451299.0996,
          6510847.452
        ],
        "end": [
          451314.11,
          6510903.48
        ],
        "chainage_start": 383.22512451561977,
        "length": 58.00386963174051
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 73.53816569122671,
        "pvi_z": 178.5432818267305,
        "bvc": 46.87404118114514,
        "evc": 100.20229020130827,
        "length": 53.32824902016314,
        "g1": -0.0035924580168090903,
        "g2": 0.08528795701679615,
        "z_bvc": 178.63907157458794,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 147.07633138245342,
        "pvi_z": 184.81520174129787,
        "bvc": 127.07633138245342,
        "evc": 167.07633138245342,
        "length": 40.0,
        "g1": 0.08528795701679615,
        "g2": 0.14012745538919155,
        "z_bvc": 183.10944260096196,
        "K_m_per_percent": 7.2940127439485885
      },
      {
        "pvi_ch": 220.61449707368013,
        "pvi_z": 195.11991777359822,
        "bvc": 200.61449707368013,
        "evc": 240.61449707368013,
        "length": 40.0,
        "g1": 0.14012745538919155,
        "g2": 0.11608335149562081,
        "z_bvc": 192.3173686658144,
        "K_m_per_percent": 16.636095142932643
      },
      {
        "pvi_ch": 294.15266276490684,
        "pvi_z": 203.6564745098761,
        "bvc": 272.1750956381292,
        "evc": 316.13022989168445,
        "length": 43.95513425355524,
        "g1": 0.11608335149562081,
        "g2": 0.04282479440636208,
        "z_bvc": 201.10524486007975,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 367.69082845613354,
        "pvi_z": 206.80573133662386,
        "bvc": 347.69082845613354,
        "evc": 387.69082845613354,
        "length": 40.0,
        "g1": 0.04282479440636208,
        "g2": 0.05507298498873551,
        "z_bvc": 205.94923544849664,
        "K_m_per_percent": 32.657885041048154
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451028.1,
        "northing": 6510773.06,
        "existing_z": 178.8075,
        "design_z": 178.8075,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451020.7988,
        "northing": 6510779.8932,
        "existing_z": 177.6057,
        "design_z": 178.7715,
        "delta_z": 1.1658
      },
      {
        "ch": 20.0,
        "easting": 451013.9828,
        "northing": 6510787.1698,
        "existing_z": 176.5506,
        "design_z": 178.7356,
        "delta_z": 2.185
      },
      {
        "ch": 30.0,
        "easting": 451010.337,
        "northing": 6510796.404,
        "existing_z": 176.0444,
        "design_z": 178.6997,
        "delta_z": 2.6553
      },
      {
        "ch": 40.0,
        "easting": 451010.0,
        "northing": 6510806.3851,
        "existing_z": 176.0845,
        "design_z": 178.6638,
        "delta_z": 2.5793
      },
      {
        "ch": 46.874,
        "easting": 451010.0,
        "northing": 6510813.2592,
        "existing_z": 176.1067,
        "design_z": 178.6391,
        "delta_z": 2.5324
      },
      {
        "ch": 50.0,
        "easting": 451010.1342,
        "northing": 6510816.3814,
        "existing_z": 176.1143,
        "design_z": 178.636,
        "delta_z": 2.5217
      },
      {
        "ch": 60.0,
        "easting": 451012.2784,
        "northing": 6510826.1189,
        "existing_z": 176.3669,
        "design_z": 178.7355,
        "delta_z": 2.3686
      },
      {
        "ch": 70.0,
        "easting": 451016.8962,
        "northing": 6510834.9559,
        "existing_z": 176.8289,
        "design_z": 179.0017,
        "delta_z": 2.1728
      },
      {
        "ch": 73.5382,
        "easting": 451019.0669,
        "northing": 6510837.7484,
        "existing_z": 177.0363,
        "design_z": 179.1358,
        "delta_z": 2.0994
      },
      {
        "ch": 80.0,
        "easting": 451023.6443,
        "northing": 6510842.301,
        "existing_z": 177.4915,
        "design_z": 179.4345,
        "delta_z": 1.943
      },
      {
        "ch": 90.0,
        "easting": 451031.0715,
        "northing": 6510848.997,
        "existing_z": 178.2049,
        "design_z": 180.034,
        "delta_z": 1.8292
      },
      {
        "ch": 100.0,
        "easting": 451038.5927,
        "northing": 6510855.583,
        "existing_z": 178.8408,
        "design_z": 180.8002,
        "delta_z": 1.9594
      },
      {
        "ch": 100.2023,
        "easting": 451038.7536,
        "northing": 6510855.7056,
        "existing_z": 178.8548,
        "design_z": 180.8174,
        "delta_z": 1.9626
      },
      {
        "ch": 110.0,
        "easting": 451047.1399,
        "northing": 6510860.7342,
        "existing_z": 179.6329,
        "design_z": 181.653,
        "delta_z": 2.0201
      },
      {
        "ch": 120.0,
        "easting": 451056.6122,
        "northing": 6510863.8749,
        "existing_z": 180.6349,
        "design_z": 182.5059,
        "delta_z": 1.871
      },
      {
        "ch": 127.0763,
        "easting": 451063.6212,
        "northing": 6510864.7943,
        "existing_z": 181.445,
        "design_z": 183.1094,
        "delta_z": 1.6644
      },
      {
        "ch": 130.0,
        "easting": 451066.5438,
        "northing": 6510864.8507,
        "existing_z": 181.7972,
        "design_z": 183.3647,
        "delta_z": 1.5674
      },
      {
        "ch": 140.0,
        "easting": 451076.4463,
        "northing": 6510863.6136,
        "existing_z": 183.1001,
        "design_z": 184.3262,
        "delta_z": 1.2261
      },
      {
        "ch": 147.0763,
        "easting": 451083.2854,
        "northing": 6510861.7973,
        "existing_z": 184.057,
        "design_z": 185.0894,
        "delta_z": 1.0324
      },
      {
        "ch": 150.0,
        "easting": 451086.1094,
        "northing": 6510861.0405,
        "existing_z": 184.4515,
        "design_z": 185.4248,
        "delta_z": 0.9733
      },
      {
        "ch": 160.0,
        "easting": 451095.7687,
        "northing": 6510858.4522,
        "existing_z": 185.8551,
        "design_z": 186.6605,
        "delta_z": 0.8054
      },
      {
        "ch": 167.0763,
        "easting": 451102.6039,
        "northing": 6510856.6207,
        "existing_z": 186.8695,
        "design_z": 187.6178,
        "delta_z": 0.7483
      },
      {
        "ch": 170.0,
        "easting": 451105.4279,
        "northing": 6510855.8639,
        "existing_z": 187.2868,
        "design_z": 188.0274,
        "delta_z": 0.7407
      },
      {
        "ch": 180.0,
        "easting": 451115.0871,
        "northing": 6510853.2756,
        "existing_z": 188.7854,
        "design_z": 189.4287,
        "delta_z": 0.6433
      },
      {
        "ch": 190.0,
        "easting": 451124.7463,
        "northing": 6510850.6873,
        "existing_z": 190.3421,
        "design_z": 190.83,
        "delta_z": 0.4879
      },
      {
        "ch": 200.0,
        "easting": 451134.4056,
        "northing": 6510848.099,
        "existing_z": 191.951,
        "design_z": 192.2313,
        "delta_z": 0.2803
      },
      {
        "ch": 200.6145,
        "easting": 451134.9991,
        "northing": 6510847.94,
        "existing_z": 192.0545,
        "design_z": 192.3174,
        "delta_z": 0.2629
      },
      {
        "ch": 210.0,
        "easting": 451144.0648,
        "northing": 6510845.5107,
        "existing_z": 193.6245,
        "design_z": 193.6061,
        "delta_z": -0.0185
      },
      {
        "ch": 220.0,
        "easting": 451153.724,
        "northing": 6510842.9224,
        "existing_z": 195.3075,
        "design_z": 194.9209,
        "delta_z": -0.3866
      },
      {
        "ch": 220.6145,
        "easting": 451154.3176,
        "northing": 6510842.7634,
        "existing_z": 195.4133,
        "design_z": 194.9997,
        "delta_z": -0.4136
      },
      {
        "ch": 230.0,
        "easting": 451163.3833,
        "northing": 6510840.3341,
        "existing_z": 197.0155,
        "design_z": 196.1756,
        "delta_z": -0.84
      },
      {
        "ch": 240.0,
        "easting": 451173.0425,
        "northing": 6510837.7458,
        "existing_z": 198.6602,
        "design_z": 197.3701,
        "delta_z": -1.29
      },
      {
        "ch": 240.6145,
        "easting": 451173.636,
        "northing": 6510837.5868,
        "existing_z": 198.7557,
        "design_z": 197.4416,
        "delta_z": -1.3141
      },
      {
        "ch": 250.0,
        "easting": 451182.7017,
        "northing": 6510835.1575,
        "existing_z": 200.2013,
        "design_z": 198.5311,
        "delta_z": -1.6702
      },
      {
        "ch": 260.0,
        "easting": 451192.3609,
        "northing": 6510832.5692,
        "existing_z": 201.6513,
        "design_z": 199.6919,
        "delta_z": -1.9594
      },
      {
        "ch": 270.0,
        "easting": 451202.0202,
        "northing": 6510829.9809,
        "existing_z": 202.8839,
        "design_z": 200.8528,
        "delta_z": -2.0312
      },
      {
        "ch": 272.1751,
        "easting": 451204.1211,
        "northing": 6510829.4179,
        "existing_z": 203.1442,
        "design_z": 201.1052,
        "delta_z": -2.039
      },
      {
        "ch": 280.0,
        "easting": 451211.6794,
        "northing": 6510827.3926,
        "existing_z": 204.0074,
        "design_z": 201.9626,
        "delta_z": -2.0448
      },
      {
        "ch": 290.0,
        "easting": 451221.3386,
        "northing": 6510824.8043,
        "existing_z": 204.7932,
        "design_z": 202.9096,
        "delta_z": -1.8835
      },
      {
        "ch": 294.1527,
        "easting": 451225.3498,
        "northing": 6510823.7295,
        "existing_z": 205.1142,
        "design_z": 203.254,
        "delta_z": -1.8602
      },
      {
        "ch": 300.0,
        "easting": 451230.9979,
        "northing": 6510822.216,
        "existing_z": 205.5122,
        "design_z": 203.6901,
        "delta_z": -1.8221
      },
      {
        "ch": 310.0,
        "easting": 451240.6571,
        "northing": 6510819.6277,
        "existing_z": 205.7886,
        "design_z": 204.3038,
        "delta_z": -1.4848
      },
      {
        "ch": 316.1302,
        "easting": 451246.5784,
        "northing": 6510818.041,
        "existing_z": 205.9468,
        "design_z": 204.5977,
        "delta_z": -1.3492
      },
      {
        "ch": 320.0,
        "easting": 451250.3377,
        "northing": 6510817.1269,
        "existing_z": 206.033,
        "design_z": 204.7634,
        "delta_z": -1.2696
      },
      {
        "ch": 330.0,
        "easting": 451260.2844,
        "northing": 6510816.357,
        "existing_z": 205.9525,
        "design_z": 205.1916,
        "delta_z": -0.7609
      },
      {
        "ch": 340.0,
        "easting": 451270.132,
        "northing": 6510817.9547,
        "existing_z": 205.9836,
        "design_z": 205.6199,
        "delta_z": -0.3638
      },
      {
        "ch": 347.6908,
        "easting": 451277.2884,
        "northing": 6510820.7422,
        "existing_z": 205.8872,
        "design_z": 205.9492,
        "delta_z": 0.062
      },
      {
        "ch": 350.0,
        "easting": 451279.325,
        "northing": 6510821.8298,
        "existing_z": 205.8855,
        "design_z": 206.0489,
        "delta_z": 0.1635
      },
      {
        "ch": 360.0,
        "easting": 451287.3448,
        "northing": 6510827.7638,
        "existing_z": 206.0381,
        "design_z": 206.4996,
        "delta_z": 0.4615
      },
      {
        "ch": 367.6908,
        "easting": 451292.4272,
        "northing": 6510833.5216,
        "existing_z": 206.246,
        "design_z": 206.867,
        "delta_z": 0.6209
      },
      {
        "ch": 370.0,
        "easting": 451293.7388,
        "northing": 6510835.4218,
        "existing_z": 206.3164,
        "design_z": 206.9808,
        "delta_z": 0.6644
      },
      {
        "ch": 380.0,
        "easting": 451298.1463,
        "northing": 6510844.3718,
        "existing_z": 206.7929,
        "design_z": 207.4927,
        "delta_z": 0.6998
      },
      {
        "ch": 387.6908,
        "easting": 451300.2552,
        "northing": 6510851.7656,
        "existing_z": 207.2934,
        "design_z": 207.9072,
        "delta_z": 0.6137
      },
      {
        "ch": 390.0,
        "easting": 451300.8528,
        "northing": 6510853.9961,
        "existing_z": 207.4444,
        "design_z": 208.0344,
        "delta_z": 0.59
      },
      {
        "ch": 400.0,
        "easting": 451303.4406,
        "northing": 6510863.6554,
        "existing_z": 208.1377,
        "design_z": 208.5851,
        "delta_z": 0.4474
      },
      {
        "ch": 410.0,
        "easting": 451306.0285,
        "northing": 6510873.3148,
        "existing_z": 208.8626,
        "design_z": 209.1358,
        "delta_z": 0.2732
      },
      {
        "ch": 420.0,
        "easting": 451308.6163,
        "northing": 6510882.9742,
        "existing_z": 209.5919,
        "design_z": 209.6866,
        "delta_z": 0.0946
      },
      {
        "ch": 430.0,
        "easting": 451311.2041,
        "northing": 6510892.6335,
        "existing_z": 210.2772,
        "design_z": 210.2373,
        "delta_z": -0.0399
      },
      {
        "ch": 440.0,
        "easting": 451313.792,
        "northing": 6510902.2929,
        "existing_z": 210.7888,
        "design_z": 210.788,
        "delta_z": -0.0007
      },
      {
        "ch": 441.229,
        "easting": 451314.11,
        "northing": 6510903.48,
        "existing_z": 210.8557,
        "design_z": 210.8557,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD213",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 20.0,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.53,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449780.0,
          6510850.0
        ],
        "end": [
          449780.0,
          6510830.0
        ],
        "chainage_start": 0,
        "length": 20.0
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449780.0,
        "northing": 6510850.0,
        "existing_z": 194.0237,
        "design_z": 194.0237,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449780.0,
        "northing": 6510840.0,
        "existing_z": 193.9705,
        "design_z": 193.9705,
        "delta_z": 0.0
      },
      {
        "ch": 20.0,
        "easting": 449780.0,
        "northing": 6510830.0,
        "existing_z": 193.9173,
        "design_z": 193.9173,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD214",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 30.0,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 0.16,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449780.0,
          6510850.0
        ],
        "end": [
          449750.0,
          6510850.0
        ],
        "chainage_start": 0,
        "length": 30.0
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449780.0,
        "northing": 6510850.0,
        "existing_z": 194.0237,
        "design_z": 194.0237,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449770.0,
        "northing": 6510850.0,
        "existing_z": 193.9235,
        "design_z": 194.0076,
        "delta_z": 0.0841
      },
      {
        "ch": 20.0,
        "easting": 449760.0,
        "northing": 6510850.0,
        "existing_z": 193.9494,
        "design_z": 193.9915,
        "delta_z": 0.0421
      },
      {
        "ch": 30.0,
        "easting": 449750.0,
        "northing": 6510850.0,
        "existing_z": 193.9754,
        "design_z": 193.9754,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD215",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 100.0,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 7.74,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450030.0,
          6510800.12
        ],
        "end": [
          450030.0,
          6510900.12
        ],
        "chainage_start": 0,
        "length": 100.0
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 50.0,
        "pvi_z": 213.16042954346233,
        "bvc": 30.0,
        "evc": 70.0,
        "length": 40.0,
        "g1": 0.07736447465830906,
        "g2": 0.07457796918934718,
        "z_bvc": 211.61314005029615,
        "K_m_per_percent": 143.54897359990517
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450030.0,
        "northing": 6510800.12,
        "existing_z": 209.2922,
        "design_z": 209.2922,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450030.0,
        "northing": 6510810.12,
        "existing_z": 209.9991,
        "design_z": 210.0659,
        "delta_z": 0.0667
      },
      {
        "ch": 20.0,
        "easting": 450030.0,
        "northing": 6510820.12,
        "existing_z": 210.8039,
        "design_z": 210.8395,
        "delta_z": 0.0356
      },
      {
        "ch": 30.0,
        "easting": 450030.0,
        "northing": 6510830.12,
        "existing_z": 211.6085,
        "design_z": 211.6131,
        "delta_z": 0.0046
      },
      {
        "ch": 40.0,
        "easting": 450030.0,
        "northing": 6510840.12,
        "existing_z": 212.4024,
        "design_z": 212.3833,
        "delta_z": -0.0191
      },
      {
        "ch": 50.0,
        "easting": 450030.0,
        "northing": 6510850.12,
        "existing_z": 213.1957,
        "design_z": 213.1465,
        "delta_z": -0.0492
      },
      {
        "ch": 60.0,
        "easting": 450030.0,
        "northing": 6510860.12,
        "existing_z": 213.9359,
        "design_z": 213.9027,
        "delta_z": -0.0332
      },
      {
        "ch": 70.0,
        "easting": 450030.0,
        "northing": 6510870.12,
        "existing_z": 214.6761,
        "design_z": 214.652,
        "delta_z": -0.0241
      },
      {
        "ch": 80.0,
        "easting": 450030.0,
        "northing": 6510880.12,
        "existing_z": 215.4121,
        "design_z": 215.3978,
        "delta_z": -0.0143
      },
      {
        "ch": 90.0,
        "easting": 450030.0,
        "northing": 6510890.12,
        "existing_z": 216.1482,
        "design_z": 216.1435,
        "delta_z": -0.0046
      },
      {
        "ch": 100.0,
        "easting": 450030.0,
        "northing": 6510900.12,
        "existing_z": 216.8893,
        "design_z": 216.8893,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD216",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 197.788,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 10.56,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449960.1200000001,
          6510900.12
        ],
        "end": [
          449931.05040000007,
          6510871.0504
        ],
        "chainage_start": 0,
        "length": 41.11062257282625
      },
      {
        "type": "ARC",
        "centre": [
          449880.2302388266,
          6510921.870561173
        ],
        "radius": 71.87056117353885,
        "start_angle_rad": -0.7853981633940122,
        "sweep_rad": -0.7853981633974483,
        "start": [
          449931.05040000007,
          6510871.0504
        ],
        "end": [
          449880.23023882654,
          6510850.0
        ],
        "chainage_start": 41.11062257282625,
        "length": 56.44700674804137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449880.2302388268,
          6510850.0
        ],
        "end": [
          449780.0,
          6510850.0
        ],
        "chainage_start": 97.55762932086762,
        "length": 100.23023882682901
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 65.92928938256554,
        "pvi_z": 204.61093261360668,
        "bvc": 45.92928938256554,
        "evc": 85.92928938256554,
        "length": 40.0,
        "g1": -0.10561911121945403,
        "g2": -0.10268984537019188,
        "z_bvc": 206.72331483799576,
        "K_m_per_percent": 136.55298651051288
      },
      {
        "pvi_ch": 131.85857876513109,
        "pvi_z": 197.8406640815444,
        "bvc": 111.85857876513109,
        "evc": 151.85857876513109,
        "length": 40.0,
        "g1": -0.10268984537019188,
        "g2": -0.05789440020206799,
        "z_bvc": 199.89446098894823,
        "K_m_per_percent": 8.929479291895444
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449960.12,
        "northing": 6510900.12,
        "existing_z": 211.5743,
        "design_z": 211.5743,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449953.0489,
        "northing": 6510893.0489,
        "existing_z": 210.7521,
        "design_z": 210.5181,
        "delta_z": -0.2339
      },
      {
        "ch": 20.0,
        "easting": 449945.9779,
        "northing": 6510885.9779,
        "existing_z": 209.8164,
        "design_z": 209.4619,
        "delta_z": -0.3545
      },
      {
        "ch": 30.0,
        "easting": 449938.9068,
        "northing": 6510878.9068,
        "existing_z": 208.8196,
        "design_z": 208.4058,
        "delta_z": -0.4139
      },
      {
        "ch": 40.0,
        "easting": 449931.8357,
        "northing": 6510871.8357,
        "existing_z": 207.8749,
        "design_z": 207.3496,
        "delta_z": -0.5253
      },
      {
        "ch": 45.9293,
        "easting": 449927.5315,
        "northing": 6510867.7598,
        "existing_z": 207.2056,
        "design_z": 206.7233,
        "delta_z": -0.4823
      },
      {
        "ch": 50.0,
        "easting": 449924.3924,
        "northing": 6510865.1689,
        "existing_z": 206.6874,
        "design_z": 206.294,
        "delta_z": -0.3934
      },
      {
        "ch": 60.0,
        "easting": 449916.1017,
        "northing": 6510859.592,
        "existing_z": 205.4664,
        "design_z": 205.2444,
        "delta_z": -0.222
      },
      {
        "ch": 65.9293,
        "easting": 449910.8475,
        "northing": 6510856.8478,
        "existing_z": 204.7805,
        "design_z": 204.6256,
        "delta_z": -0.1549
      },
      {
        "ch": 70.0,
        "easting": 449907.1176,
        "northing": 6510855.2189,
        "existing_z": 204.2148,
        "design_z": 204.2022,
        "delta_z": -0.0126
      },
      {
        "ch": 80.0,
        "easting": 449897.6137,
        "northing": 6510852.134,
        "existing_z": 202.8123,
        "design_z": 203.1673,
        "delta_z": 0.355
      },
      {
        "ch": 85.9293,
        "easting": 449891.8079,
        "northing": 6510850.9387,
        "existing_z": 202.0209,
        "design_z": 202.5571,
        "delta_z": 0.5363
      },
      {
        "ch": 90.0,
        "easting": 449887.7739,
        "northing": 6510850.397,
        "existing_z": 201.4906,
        "design_z": 202.1391,
        "delta_z": 0.6485
      },
      {
        "ch": 100.0,
        "easting": 449877.7879,
        "northing": 6510850.0,
        "existing_z": 200.2182,
        "design_z": 201.1122,
        "delta_z": 0.894
      },
      {
        "ch": 110.0,
        "easting": 449867.7879,
        "northing": 6510850.0,
        "existing_z": 199.022,
        "design_z": 200.0853,
        "delta_z": 1.0633
      },
      {
        "ch": 111.8586,
        "easting": 449865.9293,
        "northing": 6510850.0,
        "existing_z": 198.8431,
        "design_z": 199.8945,
        "delta_z": 1.0513
      },
      {
        "ch": 120.0,
        "easting": 449857.7879,
        "northing": 6510850.0,
        "existing_z": 198.0594,
        "design_z": 199.0955,
        "delta_z": 1.0361
      },
      {
        "ch": 130.0,
        "easting": 449847.7879,
        "northing": 6510850.0,
        "existing_z": 197.1543,
        "design_z": 198.2158,
        "delta_z": 1.0615
      },
      {
        "ch": 131.8586,
        "easting": 449845.9293,
        "northing": 6510850.0,
        "existing_z": 197.0236,
        "design_z": 198.0646,
        "delta_z": 1.041
      },
      {
        "ch": 140.0,
        "easting": 449837.7879,
        "northing": 6510850.0,
        "existing_z": 196.4513,
        "design_z": 197.4481,
        "delta_z": 0.9967
      },
      {
        "ch": 150.0,
        "easting": 449827.7879,
        "northing": 6510850.0,
        "existing_z": 195.7849,
        "design_z": 196.7923,
        "delta_z": 1.0074
      },
      {
        "ch": 151.8586,
        "easting": 449825.9293,
        "northing": 6510850.0,
        "existing_z": 195.6848,
        "design_z": 196.6828,
        "delta_z": 0.9979
      },
      {
        "ch": 160.0,
        "easting": 449817.7879,
        "northing": 6510850.0,
        "existing_z": 195.2467,
        "design_z": 196.2114,
        "delta_z": 0.9648
      },
      {
        "ch": 170.0,
        "easting": 449807.7879,
        "northing": 6510850.0,
        "existing_z": 194.7497,
        "design_z": 195.6325,
        "delta_z": 0.8828
      },
      {
        "ch": 180.0,
        "easting": 449797.7879,
        "northing": 6510850.0,
        "existing_z": 194.3979,
        "design_z": 195.0535,
        "delta_z": 0.6556
      },
      {
        "ch": 190.0,
        "easting": 449787.7879,
        "northing": 6510850.0,
        "existing_z": 194.1018,
        "design_z": 194.4746,
        "delta_z": 0.3728
      },
      {
        "ch": 197.7879,
        "easting": 449780.0,
        "northing": 6510850.0,
        "existing_z": 194.0237,
        "design_z": 194.0237,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD217",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 527.533,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.85,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451395.87624646304,
          6510992.396531169
        ],
        "end": [
          451362.33809735405,
          6510961.402252132
        ],
        "chainage_start": 0,
        "length": 45.66675791749137
      },
      {
        "type": "ARC",
        "centre": [
          451388.4012074326,
          6510933.2
        ],
        "radius": 38.401207432653564,
        "start_angle_rad": 2.3167948627613666,
        "sweep_rad": 0.8247977908299802,
        "start": [
          451362.33809735405,
          6510961.402252132
        ],
        "end": [
          451350.0,
          6510933.2
        ],
        "chainage_start": 45.66675791749137,
        "length": 31.673231055656473,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451349.99999999994,
          6510933.2
        ],
        "end": [
          451350.0,
          6510920.299476493
        ],
        "chainage_start": 77.33998897314784,
        "length": 12.900523507036269
      },
      {
        "type": "ARC",
        "centre": [
          451369.93595667265,
          6510920.299476493
        ],
        "radius": 19.93595667265868,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.9537229382011597,
        "start": [
          451350.0,
          6510920.299476493
        ],
        "end": [
          451358.4,
          6510904.0402
        ],
        "chainage_start": 90.24051248018411,
        "length": 19.01337917369905,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451358.39999999997,
          6510904.0402
        ],
        "end": [
          451363.4115311932,
          6510900.484518618
        ],
        "chainage_start": 109.25389165388316,
        "length": 6.144779490464971
      },
      {
        "type": "ARC",
        "centre": [
          451389.45081582817,
          6510937.185413099
        ],
        "radius": 45.00000000000001,
        "start_angle_rad": -2.1878697153935045,
        "sweep_rad": 0.35525192639864844,
        "start": [
          451363.4115311932,
          6510900.484518618
        ],
        "end": [
          451377.80299930106,
          6510893.719008024
        ],
        "chainage_start": 115.39867114434813,
        "length": 15.986336687939183,
        "target_radius": 45,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          451377.8029993009,
          6510893.719008024
        ],
        "end": [
          451760.45,
          6510791.18
        ],
        "chainage_start": 131.3850078322873,
        "length": 396.14766856642734
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 75.3618109141021,
        "pvi_z": 209.72996619164658,
        "bvc": 48.86626169032233,
        "evc": 101.85736013788186,
        "length": 52.99109844755952,
        "g1": 0.023326204785918587,
        "g2": -0.06499229262668062,
        "z_bvc": 209.11192558453732,
        "K_m_per_percent": 6.000000000000001
      },
      {
        "pvi_ch": 150.7236218282042,
        "pvi_z": 204.8320293238407,
        "bvc": 130.7236218282042,
        "evc": 170.7236218282042,
        "length": 40.0,
        "g1": -0.06499229262668062,
        "g2": -0.10176021070913158,
        "z_bvc": 206.1318751763743,
        "K_m_per_percent": 10.879049477400704
      },
      {
        "pvi_ch": 226.0854327423063,
        "pvi_z": 197.16319556579992,
        "bvc": 206.0854327423063,
        "evc": 246.0854327423063,
        "length": 40.0,
        "g1": -0.10176021070913158,
        "g2": -0.11861576229890808,
        "z_bvc": 199.19839977998257,
        "K_m_per_percent": 23.731053704739892
      },
      {
        "pvi_ch": 301.4472436564084,
        "pvi_z": 188.22409691599754,
        "bvc": 281.4472436564084,
        "evc": 321.4472436564084,
        "length": 40.0,
        "g1": -0.11861576229890808,
        "g2": -0.12851218803979128,
        "z_bvc": 190.5964121619757,
        "K_m_per_percent": 40.41863299671485
      },
      {
        "pvi_ch": 376.80905457051045,
        "pvi_z": 178.53918570078525,
        "bvc": 356.80905457051045,
        "evc": 396.80905457051045,
        "length": 40.0,
        "g1": -0.12851218803979128,
        "g2": -0.0930798403794143,
        "z_bvc": 181.10942946158107,
        "K_m_per_percent": 11.289119305162751
      },
      {
        "pvi_ch": 452.1708654846126,
        "pvi_z": 171.52452037019702,
        "bvc": 418.25805057326664,
        "evc": 486.08368039595854,
        "length": 67.82562982269188,
        "g1": -0.0930798403794143,
        "g2": 0.024565135370012803,
        "z_bvc": 174.68111976896174,
        "K_m_per_percent": 5.765280615736127
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451395.8762,
        "northing": 6510992.3965,
        "existing_z": 207.9721,
        "design_z": 207.9721,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451388.5321,
        "northing": 6510985.6095,
        "existing_z": 208.4944,
        "design_z": 208.2053,
        "delta_z": -0.2891
      },
      {
        "ch": 20.0,
        "easting": 451381.188,
        "northing": 6510978.8224,
        "existing_z": 209.0062,
        "design_z": 208.4386,
        "delta_z": -0.5676
      },
      {
        "ch": 30.0,
        "easting": 451373.8439,
        "northing": 6510972.0354,
        "existing_z": 209.572,
        "design_z": 208.6718,
        "delta_z": -0.9001
      },
      {
        "ch": 40.0,
        "easting": 451366.4998,
        "northing": 6510965.2483,
        "existing_z": 210.076,
        "design_z": 208.9051,
        "delta_z": -1.1709
      },
      {
        "ch": 48.8663,
        "easting": 451360.0815,
        "northing": 6510959.1354,
        "existing_z": 210.4841,
        "design_z": 209.1119,
        "delta_z": -1.3722
      },
      {
        "ch": 50.0,
        "easting": 451359.3282,
        "northing": 6510958.2881,
        "existing_z": 210.5398,
        "design_z": 209.1373,
        "delta_z": -1.4025
      },
      {
        "ch": 60.0,
        "easting": 451353.8488,
        "northing": 6510949.9567,
        "existing_z": 211.0513,
        "design_z": 209.2683,
        "delta_z": -1.783
      },
      {
        "ch": 70.0,
        "easting": 451350.6993,
        "northing": 6510940.4954,
        "existing_z": 211.2839,
        "design_z": 209.2327,
        "delta_z": -2.0512
      },
      {
        "ch": 75.3618,
        "easting": 451350.0509,
        "northing": 6510935.1773,
        "existing_z": 211.3749,
        "design_z": 209.145,
        "delta_z": -2.2299
      },
      {
        "ch": 80.0,
        "easting": 451350.0,
        "northing": 6510930.54,
        "existing_z": 211.4304,
        "design_z": 209.0304,
        "delta_z": -2.4
      },
      {
        "ch": 90.0,
        "easting": 451350.0,
        "northing": 6510920.54,
        "existing_z": 211.0106,
        "design_z": 208.6614,
        "delta_z": -2.3492
      },
      {
        "ch": 100.0,
        "easting": 451352.3415,
        "northing": 6510910.9252,
        "existing_z": 210.4283,
        "design_z": 208.1258,
        "delta_z": -2.3025
      },
      {
        "ch": 101.8574,
        "easting": 451353.2899,
        "northing": 6510909.329,
        "existing_z": 210.2612,
        "design_z": 208.008,
        "delta_z": -2.2532
      },
      {
        "ch": 110.0,
        "easting": 451359.0085,
        "northing": 6510903.6085,
        "existing_z": 209.3427,
        "design_z": 207.4788,
        "delta_z": -1.8639
      },
      {
        "ch": 120.0,
        "easting": 451367.2937,
        "northing": 6510898.0183,
        "existing_z": 208.2423,
        "design_z": 206.8288,
        "delta_z": -1.4135
      },
      {
        "ch": 130.0,
        "easting": 451376.4709,
        "northing": 6510894.098,
        "existing_z": 207.1931,
        "design_z": 206.1789,
        "delta_z": -1.0142
      },
      {
        "ch": 130.7236,
        "easting": 451377.1654,
        "northing": 6510893.8949,
        "existing_z": 207.1217,
        "design_z": 206.1319,
        "delta_z": -0.9898
      },
      {
        "ch": 140.0,
        "easting": 451386.1244,
        "northing": 6510891.4891,
        "existing_z": 206.2197,
        "design_z": 205.4894,
        "delta_z": -0.7302
      },
      {
        "ch": 150.0,
        "easting": 451395.7836,
        "northing": 6510888.9007,
        "existing_z": 205.1882,
        "design_z": 204.7083,
        "delta_z": -0.48
      },
      {
        "ch": 150.7236,
        "easting": 451396.4826,
        "northing": 6510888.7134,
        "existing_z": 205.1099,
        "design_z": 204.6482,
        "delta_z": -0.4617
      },
      {
        "ch": 160.0,
        "easting": 451405.4428,
        "northing": 6510886.3123,
        "existing_z": 204.1099,
        "design_z": 203.8352,
        "delta_z": -0.2747
      },
      {
        "ch": 170.0,
        "easting": 451415.102,
        "northing": 6510883.7239,
        "existing_z": 203.0366,
        "design_z": 202.8702,
        "delta_z": -0.1664
      },
      {
        "ch": 170.7236,
        "easting": 451415.801,
        "northing": 6510883.5366,
        "existing_z": 202.9593,
        "design_z": 202.7968,
        "delta_z": -0.1625
      },
      {
        "ch": 180.0,
        "easting": 451424.7612,
        "northing": 6510881.1355,
        "existing_z": 201.979,
        "design_z": 201.8529,
        "delta_z": -0.1261
      },
      {
        "ch": 190.0,
        "easting": 451434.4204,
        "northing": 6510878.5471,
        "existing_z": 200.947,
        "design_z": 200.8353,
        "delta_z": -0.1117
      },
      {
        "ch": 200.0,
        "easting": 451444.0796,
        "northing": 6510875.9587,
        "existing_z": 199.9424,
        "design_z": 199.8177,
        "delta_z": -0.1248
      },
      {
        "ch": 206.0854,
        "easting": 451449.9576,
        "northing": 6510874.3835,
        "existing_z": 199.3427,
        "design_z": 199.1984,
        "delta_z": -0.1443
      },
      {
        "ch": 210.0,
        "easting": 451453.7388,
        "northing": 6510873.3703,
        "existing_z": 198.957,
        "design_z": 198.7968,
        "delta_z": -0.1602
      },
      {
        "ch": 220.0,
        "easting": 451463.398,
        "northing": 6510870.7819,
        "existing_z": 197.9824,
        "design_z": 197.7417,
        "delta_z": -0.2407
      },
      {
        "ch": 226.0854,
        "easting": 451469.276,
        "northing": 6510869.2067,
        "existing_z": 197.3806,
        "design_z": 197.0789,
        "delta_z": -0.3017
      },
      {
        "ch": 230.0,
        "easting": 451473.0572,
        "northing": 6510868.1935,
        "existing_z": 196.948,
        "design_z": 196.6444,
        "delta_z": -0.3036
      },
      {
        "ch": 240.0,
        "easting": 451482.7164,
        "northing": 6510865.6051,
        "existing_z": 195.8304,
        "design_z": 195.5049,
        "delta_z": -0.3255
      },
      {
        "ch": 246.0854,
        "easting": 451488.5944,
        "northing": 6510864.0299,
        "existing_z": 195.1577,
        "design_z": 194.7909,
        "delta_z": -0.3668
      },
      {
        "ch": 250.0,
        "easting": 451492.3756,
        "northing": 6510863.0167,
        "existing_z": 194.6982,
        "design_z": 194.3266,
        "delta_z": -0.3716
      },
      {
        "ch": 260.0,
        "easting": 451502.0348,
        "northing": 6510860.4283,
        "existing_z": 193.4938,
        "design_z": 193.1404,
        "delta_z": -0.3534
      },
      {
        "ch": 270.0,
        "easting": 451511.694,
        "northing": 6510857.8399,
        "existing_z": 192.2943,
        "design_z": 191.9542,
        "delta_z": -0.3401
      },
      {
        "ch": 280.0,
        "easting": 451521.3532,
        "northing": 6510855.2514,
        "existing_z": 191.047,
        "design_z": 190.7681,
        "delta_z": -0.2789
      },
      {
        "ch": 281.4472,
        "easting": 451522.7511,
        "northing": 6510854.8768,
        "existing_z": 190.8694,
        "design_z": 190.5964,
        "delta_z": -0.273
      },
      {
        "ch": 290.0,
        "easting": 451531.0124,
        "northing": 6510852.663,
        "existing_z": 189.8286,
        "design_z": 189.5729,
        "delta_z": -0.2557
      },
      {
        "ch": 300.0,
        "easting": 451540.6716,
        "northing": 6510850.0746,
        "existing_z": 188.5966,
        "design_z": 188.3532,
        "delta_z": -0.2434
      },
      {
        "ch": 301.4472,
        "easting": 451542.0695,
        "northing": 6510849.7,
        "existing_z": 188.4162,
        "design_z": 188.1746,
        "delta_z": -0.2416
      },
      {
        "ch": 310.0,
        "easting": 451550.3308,
        "northing": 6510847.4862,
        "existing_z": 187.3519,
        "design_z": 187.1088,
        "delta_z": -0.2432
      },
      {
        "ch": 320.0,
        "easting": 451559.99,
        "northing": 6510844.8978,
        "existing_z": 186.0933,
        "design_z": 185.8396,
        "delta_z": -0.2537
      },
      {
        "ch": 321.4472,
        "easting": 451561.3879,
        "northing": 6510844.5232,
        "existing_z": 185.9124,
        "design_z": 185.6539,
        "delta_z": -0.2586
      },
      {
        "ch": 330.0,
        "easting": 451569.6492,
        "northing": 6510842.3094,
        "existing_z": 184.8498,
        "design_z": 184.5547,
        "delta_z": -0.2951
      },
      {
        "ch": 340.0,
        "easting": 451579.3084,
        "northing": 6510839.721,
        "existing_z": 183.5295,
        "design_z": 183.2696,
        "delta_z": -0.2599
      },
      {
        "ch": 350.0,
        "easting": 451588.9676,
        "northing": 6510837.1326,
        "existing_z": 182.2179,
        "design_z": 181.9845,
        "delta_z": -0.2334
      },
      {
        "ch": 356.8091,
        "easting": 451595.5446,
        "northing": 6510835.3702,
        "existing_z": 181.25,
        "design_z": 181.1094,
        "delta_z": -0.1406
      },
      {
        "ch": 360.0,
        "easting": 451598.6268,
        "northing": 6510834.5442,
        "existing_z": 180.7914,
        "design_z": 180.7039,
        "delta_z": -0.0875
      },
      {
        "ch": 370.0,
        "easting": 451608.286,
        "northing": 6510831.9558,
        "existing_z": 179.3629,
        "design_z": 179.4913,
        "delta_z": 0.1284
      },
      {
        "ch": 376.8091,
        "easting": 451614.863,
        "northing": 6510830.1934,
        "existing_z": 178.3288,
        "design_z": 178.7163,
        "delta_z": 0.3875
      },
      {
        "ch": 380.0,
        "easting": 451617.9452,
        "northing": 6510829.3674,
        "existing_z": 177.8285,
        "design_z": 178.3673,
        "delta_z": 0.5388
      },
      {
        "ch": 390.0,
        "easting": 451627.6044,
        "northing": 6510826.779,
        "existing_z": 176.2717,
        "design_z": 177.3319,
        "delta_z": 1.0602
      },
      {
        "ch": 396.8091,
        "easting": 451634.1814,
        "northing": 6510825.0166,
        "existing_z": 175.2232,
        "design_z": 176.6776,
        "delta_z": 1.4544
      },
      {
        "ch": 400.0,
        "easting": 451637.2636,
        "northing": 6510824.1906,
        "existing_z": 174.7344,
        "design_z": 176.3806,
        "delta_z": 1.6462
      },
      {
        "ch": 410.0,
        "easting": 451646.9228,
        "northing": 6510821.6022,
        "existing_z": 173.217,
        "design_z": 175.4498,
        "delta_z": 2.2328
      },
      {
        "ch": 418.2581,
        "easting": 451654.8994,
        "northing": 6510819.4647,
        "existing_z": 172.0975,
        "design_z": 174.6811,
        "delta_z": 2.5836
      },
      {
        "ch": 420.0,
        "easting": 451656.582,
        "northing": 6510819.0138,
        "existing_z": 171.8784,
        "design_z": 174.5216,
        "delta_z": 2.6432
      },
      {
        "ch": 430.0,
        "easting": 451666.2412,
        "northing": 6510816.4254,
        "existing_z": 170.6305,
        "design_z": 173.7078,
        "delta_z": 3.0772
      },
      {
        "ch": 440.0,
        "easting": 451675.9004,
        "northing": 6510813.837,
        "existing_z": 169.8506,
        "design_z": 173.0673,
        "delta_z": 3.2168
      },
      {
        "ch": 450.0,
        "easting": 451685.5596,
        "northing": 6510811.2486,
        "existing_z": 169.3893,
        "design_z": 172.6004,
        "delta_z": 3.2111
      },
      {
        "ch": 452.1709,
        "easting": 451687.6565,
        "northing": 6510810.6867,
        "existing_z": 169.2938,
        "design_z": 172.5219,
        "delta_z": 3.2282
      },
      {
        "ch": 460.0,
        "easting": 451695.2188,
        "northing": 6510808.6602,
        "existing_z": 169.3125,
        "design_z": 172.3069,
        "delta_z": 2.9944
      },
      {
        "ch": 470.0,
        "easting": 451704.878,
        "northing": 6510806.0718,
        "existing_z": 169.5559,
        "design_z": 172.1868,
        "delta_z": 2.631
      },
      {
        "ch": 480.0,
        "easting": 451714.5372,
        "northing": 6510803.4834,
        "existing_z": 169.9333,
        "design_z": 172.2402,
        "delta_z": 2.307
      },
      {
        "ch": 486.0837,
        "easting": 451720.4136,
        "northing": 6510801.9087,
        "existing_z": 170.2573,
        "design_z": 172.3576,
        "delta_z": 2.1003
      },
      {
        "ch": 490.0,
        "easting": 451724.1964,
        "northing": 6510800.895,
        "existing_z": 170.4731,
        "design_z": 172.4538,
        "delta_z": 1.9807
      },
      {
        "ch": 500.0,
        "easting": 451733.8556,
        "northing": 6510798.3066,
        "existing_z": 171.0851,
        "design_z": 172.6994,
        "delta_z": 1.6143
      },
      {
        "ch": 510.0,
        "easting": 451743.5148,
        "northing": 6510795.7182,
        "existing_z": 171.7945,
        "design_z": 172.9451,
        "delta_z": 1.1506
      },
      {
        "ch": 520.0,
        "easting": 451753.174,
        "northing": 6510793.1298,
        "existing_z": 172.6199,
        "design_z": 173.1908,
        "delta_z": 0.5709
      },
      {
        "ch": 527.5327,
        "easting": 451760.45,
        "northing": 6510791.18,
        "existing_z": 173.3758,
        "design_z": 173.3758,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD218",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 433.963,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.6,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450595.87895235297,
          6510992.396089945
        ],
        "end": [
          450580.86915998824,
          6510936.376157776
        ],
        "chainage_start": 0,
        "length": 57.99591939955395
      },
      {
        "type": "ARC",
        "centre": [
          450621.43608681386,
          6510925.506791732
        ],
        "radius": 41.997841257443476,
        "start_angle_rad": 2.879804977970931,
        "sweep_rad": 1.5707773690895768,
        "start": [
          450580.86915998824,
          6510936.376157776
        ],
        "end": [
          450610.56595171546,
          6510884.940070972
        ],
        "chainage_start": 57.99591939955395,
        "length": 65.96925859780875,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450610.56595171575,
          6510884.940070972
        ],
        "end": [
          450910.0,
          6510804.704634217
        ],
        "chainage_start": 123.9651779973627,
        "length": 309.9975396405576
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 72.32711960632004,
        "pvi_z": 174.22329222635858,
        "bvc": 52.32711960632004,
        "evc": 92.32711960632004,
        "length": 40.0,
        "g1": -0.04323397022279495,
        "g2": -0.05604878466416402,
        "z_bvc": 175.08797163081448,
        "K_m_per_percent": 31.21387374199592
      },
      {
        "pvi_ch": 144.65423921264008,
        "pvi_z": 170.1694450741647,
        "bvc": 124.65423921264008,
        "evc": 164.65423921264008,
        "length": 40.0,
        "g1": -0.05604878466416402,
        "g2": -0.05539996961166595,
        "z_bvc": 171.29042076744798,
        "K_m_per_percent": 616.5085080253874
      },
      {
        "pvi_ch": 216.98135881896013,
        "pvi_z": 166.16252484587525,
        "bvc": 196.98135881896013,
        "evc": 236.98135881896013,
        "length": 40.0,
        "g1": -0.05539996961166595,
        "g2": -0.03401485912100477,
        "z_bvc": 167.27052423810858,
        "K_m_per_percent": 18.704602914007808
      },
      {
        "pvi_ch": 289.30847842528016,
        "pvi_z": 163.70232806183822,
        "bvc": 269.30847842528016,
        "evc": 309.30847842528016,
        "length": 40.0,
        "g1": -0.03401485912100477,
        "g2": 0.0021235935729607366,
        "z_bvc": 164.38262524425832,
        "K_m_per_percent": 11.068542513077576
      },
      {
        "pvi_ch": 361.6355980316002,
        "pvi_z": 163.85592146818496,
        "bvc": 341.6355980316002,
        "evc": 381.6355980316002,
        "length": 40.0,
        "g1": 0.0021235935729607366,
        "g2": 0.0172508040570366,
        "z_bvc": 163.81344959672575,
        "K_m_per_percent": 26.442416493184428
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450595.879,
        "northing": 6510992.3961,
        "existing_z": 177.3503,
        "design_z": 177.3503,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450593.2909,
        "northing": 6510982.7368,
        "existing_z": 176.5567,
        "design_z": 176.9179,
        "delta_z": 0.3612
      },
      {
        "ch": 20.0,
        "easting": 450590.7028,
        "northing": 6510973.0775,
        "existing_z": 175.8224,
        "design_z": 176.4856,
        "delta_z": 0.6632
      },
      {
        "ch": 30.0,
        "easting": 450588.1147,
        "northing": 6510963.4182,
        "existing_z": 175.2994,
        "design_z": 176.0533,
        "delta_z": 0.7539
      },
      {
        "ch": 40.0,
        "easting": 450585.5266,
        "northing": 6510953.7589,
        "existing_z": 174.8884,
        "design_z": 175.6209,
        "delta_z": 0.7325
      },
      {
        "ch": 50.0,
        "easting": 450582.9386,
        "northing": 6510944.0996,
        "existing_z": 174.6744,
        "design_z": 175.1886,
        "delta_z": 0.5142
      },
      {
        "ch": 52.3271,
        "easting": 450582.3363,
        "northing": 6510941.8518,
        "existing_z": 174.6553,
        "design_z": 175.088,
        "delta_z": 0.4327
      },
      {
        "ch": 60.0,
        "easting": 450580.3969,
        "northing": 6510934.4287,
        "existing_z": 174.6018,
        "design_z": 174.7468,
        "delta_z": 0.145
      },
      {
        "ch": 70.0,
        "easting": 450579.4504,
        "northing": 6510924.4973,
        "existing_z": 174.5093,
        "design_z": 174.2739,
        "delta_z": -0.2354
      },
      {
        "ch": 72.3271,
        "easting": 450579.5707,
        "northing": 6510922.1736,
        "existing_z": 174.4771,
        "design_z": 174.1592,
        "delta_z": -0.3179
      },
      {
        "ch": 80.0,
        "easting": 450580.8731,
        "northing": 6510914.6229,
        "existing_z": 174.2993,
        "design_z": 173.7689,
        "delta_z": -0.5304
      },
      {
        "ch": 90.0,
        "easting": 450584.5846,
        "northing": 6510905.3626,
        "existing_z": 173.8673,
        "design_z": 173.2319,
        "delta_z": -0.6354
      },
      {
        "ch": 92.3271,
        "easting": 450585.7568,
        "northing": 6510903.3526,
        "existing_z": 173.734,
        "design_z": 173.1023,
        "delta_z": -0.6317
      },
      {
        "ch": 100.0,
        "easting": 450590.3756,
        "northing": 6510897.239,
        "existing_z": 173.2319,
        "design_z": 172.6723,
        "delta_z": -0.5597
      },
      {
        "ch": 110.0,
        "easting": 450597.9193,
        "northing": 6510890.7105,
        "existing_z": 172.5562,
        "design_z": 172.1118,
        "delta_z": -0.4444
      },
      {
        "ch": 120.0,
        "easting": 450606.79,
        "northing": 6510886.1455,
        "existing_z": 171.8264,
        "design_z": 171.5513,
        "delta_z": -0.2751
      },
      {
        "ch": 124.6542,
        "easting": 450611.2315,
        "northing": 6510884.7617,
        "existing_z": 171.4893,
        "design_z": 171.2904,
        "delta_z": -0.1989
      },
      {
        "ch": 130.0,
        "easting": 450616.3951,
        "northing": 6510883.3781,
        "existing_z": 171.1317,
        "design_z": 170.991,
        "delta_z": -0.1406
      },
      {
        "ch": 140.0,
        "easting": 450626.0544,
        "northing": 6510880.7898,
        "existing_z": 170.4654,
        "design_z": 170.4322,
        "delta_z": -0.0332
      },
      {
        "ch": 144.6542,
        "easting": 450630.55,
        "northing": 6510879.5852,
        "existing_z": 170.1589,
        "design_z": 170.1727,
        "delta_z": 0.0138
      },
      {
        "ch": 150.0,
        "easting": 450635.7136,
        "northing": 6510878.2016,
        "existing_z": 169.8274,
        "design_z": 169.875,
        "delta_z": 0.0476
      },
      {
        "ch": 160.0,
        "easting": 450645.3728,
        "northing": 6510875.6133,
        "existing_z": 169.2104,
        "design_z": 169.3195,
        "delta_z": 0.1091
      },
      {
        "ch": 164.6542,
        "easting": 450649.8685,
        "northing": 6510874.4087,
        "existing_z": 168.9247,
        "design_z": 169.0614,
        "delta_z": 0.1368
      },
      {
        "ch": 170.0,
        "easting": 450655.0321,
        "northing": 6510873.0251,
        "existing_z": 168.6008,
        "design_z": 168.7653,
        "delta_z": 0.1645
      },
      {
        "ch": 180.0,
        "easting": 450664.6913,
        "northing": 6510870.4368,
        "existing_z": 167.9926,
        "design_z": 168.2113,
        "delta_z": 0.2187
      },
      {
        "ch": 190.0,
        "easting": 450674.3506,
        "northing": 6510867.8485,
        "existing_z": 167.4049,
        "design_z": 167.6573,
        "delta_z": 0.2524
      },
      {
        "ch": 196.9814,
        "easting": 450681.094,
        "northing": 6510866.0416,
        "existing_z": 167.0006,
        "design_z": 167.2705,
        "delta_z": 0.27
      },
      {
        "ch": 200.0,
        "easting": 450684.0098,
        "northing": 6510865.2603,
        "existing_z": 166.8232,
        "design_z": 167.1057,
        "delta_z": 0.2825
      },
      {
        "ch": 210.0,
        "easting": 450693.669,
        "northing": 6510862.672,
        "existing_z": 166.2615,
        "design_z": 166.5946,
        "delta_z": 0.3331
      },
      {
        "ch": 216.9814,
        "easting": 450700.4125,
        "northing": 6510860.8651,
        "existing_z": 165.9019,
        "design_z": 166.2695,
        "delta_z": 0.3675
      },
      {
        "ch": 220.0,
        "easting": 450703.3283,
        "northing": 6510860.0838,
        "existing_z": 165.7442,
        "design_z": 166.1369,
        "delta_z": 0.3927
      },
      {
        "ch": 230.0,
        "easting": 450712.9875,
        "northing": 6510857.4955,
        "existing_z": 165.2453,
        "design_z": 165.7327,
        "delta_z": 0.4874
      },
      {
        "ch": 236.9814,
        "easting": 450719.731,
        "northing": 6510855.6885,
        "existing_z": 164.9394,
        "design_z": 165.4822,
        "delta_z": 0.5429
      },
      {
        "ch": 240.0,
        "easting": 450722.6468,
        "northing": 6510854.9072,
        "existing_z": 164.8042,
        "design_z": 165.3795,
        "delta_z": 0.5753
      },
      {
        "ch": 250.0,
        "easting": 450732.306,
        "northing": 6510852.319,
        "existing_z": 164.3656,
        "design_z": 165.0394,
        "delta_z": 0.6738
      },
      {
        "ch": 260.0,
        "easting": 450741.9652,
        "northing": 6510849.7307,
        "existing_z": 163.9735,
        "design_z": 164.6993,
        "delta_z": 0.7258
      },
      {
        "ch": 269.3085,
        "easting": 450750.9565,
        "northing": 6510847.3214,
        "existing_z": 163.6042,
        "design_z": 164.3826,
        "delta_z": 0.7784
      },
      {
        "ch": 270.0,
        "easting": 450751.6245,
        "northing": 6510847.1425,
        "existing_z": 163.5886,
        "design_z": 164.3593,
        "delta_z": 0.7707
      },
      {
        "ch": 280.0,
        "easting": 450761.2837,
        "northing": 6510844.5542,
        "existing_z": 163.3512,
        "design_z": 164.0706,
        "delta_z": 0.7194
      },
      {
        "ch": 289.3085,
        "easting": 450770.275,
        "northing": 6510842.1449,
        "existing_z": 163.1202,
        "design_z": 163.883,
        "delta_z": 0.7628
      },
      {
        "ch": 290.0,
        "easting": 450770.943,
        "northing": 6510841.9659,
        "existing_z": 163.1219,
        "design_z": 163.8722,
        "delta_z": 0.7503
      },
      {
        "ch": 300.0,
        "easting": 450780.6022,
        "northing": 6510839.3777,
        "existing_z": 163.1434,
        "design_z": 163.7642,
        "delta_z": 0.6208
      },
      {
        "ch": 309.3085,
        "easting": 450789.5935,
        "northing": 6510836.9684,
        "existing_z": 163.1563,
        "design_z": 163.7448,
        "delta_z": 0.5885
      },
      {
        "ch": 310.0,
        "easting": 450790.2614,
        "northing": 6510836.7894,
        "existing_z": 163.1603,
        "design_z": 163.7463,
        "delta_z": 0.5859
      },
      {
        "ch": 320.0,
        "easting": 450799.9207,
        "northing": 6510834.2012,
        "existing_z": 163.292,
        "design_z": 163.7675,
        "delta_z": 0.4755
      },
      {
        "ch": 330.0,
        "easting": 450809.5799,
        "northing": 6510831.6129,
        "existing_z": 163.4193,
        "design_z": 163.7887,
        "delta_z": 0.3694
      },
      {
        "ch": 340.0,
        "easting": 450819.2392,
        "northing": 6510829.0246,
        "existing_z": 163.5456,
        "design_z": 163.81,
        "delta_z": 0.2644
      },
      {
        "ch": 341.6356,
        "easting": 450820.819,
        "northing": 6510828.6013,
        "existing_z": 163.5635,
        "design_z": 163.8134,
        "delta_z": 0.2499
      },
      {
        "ch": 350.0,
        "easting": 450828.8984,
        "northing": 6510826.4364,
        "existing_z": 163.6511,
        "design_z": 163.8444,
        "delta_z": 0.1934
      },
      {
        "ch": 360.0,
        "easting": 450838.5576,
        "northing": 6510823.8481,
        "existing_z": 163.7076,
        "design_z": 163.9162,
        "delta_z": 0.2086
      },
      {
        "ch": 361.6356,
        "easting": 450840.1375,
        "northing": 6510823.4248,
        "existing_z": 163.7155,
        "design_z": 163.9316,
        "delta_z": 0.216
      },
      {
        "ch": 370.0,
        "easting": 450848.2169,
        "northing": 6510821.2599,
        "existing_z": 163.7541,
        "design_z": 164.0258,
        "delta_z": 0.2717
      },
      {
        "ch": 380.0,
        "easting": 450857.8761,
        "northing": 6510818.6716,
        "existing_z": 163.7743,
        "design_z": 164.1732,
        "delta_z": 0.3989
      },
      {
        "ch": 381.6356,
        "easting": 450859.456,
        "northing": 6510818.2483,
        "existing_z": 163.7779,
        "design_z": 164.2009,
        "delta_z": 0.423
      },
      {
        "ch": 390.0,
        "easting": 450867.5354,
        "northing": 6510816.0833,
        "existing_z": 163.803,
        "design_z": 164.3452,
        "delta_z": 0.5423
      },
      {
        "ch": 400.0,
        "easting": 450877.1946,
        "northing": 6510813.4951,
        "existing_z": 163.9283,
        "design_z": 164.5177,
        "delta_z": 0.5894
      },
      {
        "ch": 410.0,
        "easting": 450886.8538,
        "northing": 6510810.9068,
        "existing_z": 164.1146,
        "design_z": 164.6902,
        "delta_z": 0.5757
      },
      {
        "ch": 420.0,
        "easting": 450896.5131,
        "northing": 6510808.3185,
        "existing_z": 164.4692,
        "design_z": 164.8628,
        "delta_z": 0.3935
      },
      {
        "ch": 430.0,
        "easting": 450906.1723,
        "northing": 6510805.7303,
        "existing_z": 164.9182,
        "design_z": 165.0353,
        "delta_z": 0.1171
      },
      {
        "ch": 433.9627,
        "easting": 450910.0,
        "northing": 6510804.7046,
        "existing_z": 165.1036,
        "design_z": 165.1036,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD219",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 50.12,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.88,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449780.0,
          6510900.12
        ],
        "end": [
          449780.0,
          6510850.0
        ],
        "chainage_start": 0,
        "length": 50.12000000011176
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449780.0,
        "northing": 6510900.12,
        "existing_z": 192.08,
        "design_z": 192.08,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449780.0,
        "northing": 6510890.12,
        "existing_z": 192.68,
        "design_z": 192.4678,
        "delta_z": -0.2122
      },
      {
        "ch": 20.0,
        "easting": 449780.0,
        "northing": 6510880.12,
        "existing_z": 193.1602,
        "design_z": 192.8556,
        "delta_z": -0.3046
      },
      {
        "ch": 30.0,
        "easting": 449780.0,
        "northing": 6510870.12,
        "existing_z": 193.639,
        "design_z": 193.2434,
        "delta_z": -0.3956
      },
      {
        "ch": 40.0,
        "easting": 449780.0,
        "northing": 6510860.12,
        "existing_z": 193.832,
        "design_z": 193.6313,
        "delta_z": -0.2007
      },
      {
        "ch": 50.0,
        "easting": 449780.0,
        "northing": 6510850.12,
        "existing_z": 194.0215,
        "design_z": 194.0191,
        "delta_z": -0.0024
      },
      {
        "ch": 50.12,
        "easting": 449780.0,
        "northing": 6510850.0,
        "existing_z": 194.0237,
        "design_z": 194.0237,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD220",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 162.726,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 8.37,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452453.9300000269,
          6510944.0599999735
        ],
        "end": [
          452568.9950000001,
          6510828.995
        ],
        "chainage_start": 0,
        "length": 162.72648351672063
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 54.24216117224021,
        "pvi_z": 221.4487639257548,
        "bvc": 34.24216117224021,
        "evc": 74.2421611722402,
        "length": 40.0,
        "g1": -0.0364344793728759,
        "g2": -0.047422615192565416,
        "z_bvc": 222.17745351321233,
        "K_m_per_percent": 36.40289914174929
      },
      {
        "pvi_ch": 108.48432234448042,
        "pvi_z": 218.87645878927054,
        "bvc": 88.48432234448042,
        "evc": 128.4843223444804,
        "length": 40.0,
        "g1": -0.047422615192565416,
        "g2": -0.0836959627795062,
        "z_bvc": 219.82491109312184,
        "K_m_per_percent": 11.027380338725864
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452453.93,
        "northing": 6510944.06,
        "existing_z": 223.425,
        "design_z": 223.425,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452461.0011,
        "northing": 6510936.9889,
        "existing_z": 222.9586,
        "design_z": 223.0607,
        "delta_z": 0.1021
      },
      {
        "ch": 20.0,
        "easting": 452468.0721,
        "northing": 6510929.9179,
        "existing_z": 222.5194,
        "design_z": 222.6964,
        "delta_z": 0.1769
      },
      {
        "ch": 30.0,
        "easting": 452475.1432,
        "northing": 6510922.8468,
        "existing_z": 222.1539,
        "design_z": 222.332,
        "delta_z": 0.1781
      },
      {
        "ch": 34.2422,
        "easting": 452478.1429,
        "northing": 6510919.8471,
        "existing_z": 222.0215,
        "design_z": 222.1775,
        "delta_z": 0.156
      },
      {
        "ch": 40.0,
        "easting": 452482.2143,
        "northing": 6510915.7757,
        "existing_z": 221.8562,
        "design_z": 221.9631,
        "delta_z": 0.1069
      },
      {
        "ch": 50.0,
        "easting": 452489.2853,
        "northing": 6510908.7047,
        "existing_z": 221.6121,
        "design_z": 221.5692,
        "delta_z": -0.0429
      },
      {
        "ch": 54.2422,
        "easting": 452492.285,
        "northing": 6510905.705,
        "existing_z": 221.498,
        "design_z": 221.3938,
        "delta_z": -0.1041
      },
      {
        "ch": 60.0,
        "easting": 452496.3564,
        "northing": 6510901.6336,
        "existing_z": 221.3361,
        "design_z": 221.1479,
        "delta_z": -0.1883
      },
      {
        "ch": 70.0,
        "easting": 452503.4275,
        "northing": 6510894.5625,
        "existing_z": 221.0711,
        "design_z": 220.699,
        "delta_z": -0.372
      },
      {
        "ch": 74.2422,
        "easting": 452506.4271,
        "northing": 6510891.5629,
        "existing_z": 220.9648,
        "design_z": 220.5003,
        "delta_z": -0.4645
      },
      {
        "ch": 80.0,
        "easting": 452510.4985,
        "northing": 6510887.4915,
        "existing_z": 220.8082,
        "design_z": 220.2273,
        "delta_z": -0.5809
      },
      {
        "ch": 88.4843,
        "easting": 452516.4979,
        "northing": 6510881.4921,
        "existing_z": 220.3901,
        "design_z": 219.8249,
        "delta_z": -0.5652
      },
      {
        "ch": 90.0,
        "easting": 452517.5696,
        "northing": 6510880.4204,
        "existing_z": 220.3146,
        "design_z": 219.752,
        "delta_z": -0.5626
      },
      {
        "ch": 100.0,
        "easting": 452524.6407,
        "northing": 6510873.3493,
        "existing_z": 219.8101,
        "design_z": 219.2187,
        "delta_z": -0.5914
      },
      {
        "ch": 108.4843,
        "easting": 452530.64,
        "northing": 6510867.35,
        "existing_z": 219.3548,
        "design_z": 218.6951,
        "delta_z": -0.6597
      },
      {
        "ch": 110.0,
        "easting": 452531.7117,
        "northing": 6510866.2783,
        "existing_z": 219.241,
        "design_z": 218.5947,
        "delta_z": -0.6463
      },
      {
        "ch": 120.0,
        "easting": 452538.7828,
        "northing": 6510859.2072,
        "existing_z": 218.4796,
        "design_z": 217.88,
        "delta_z": -0.5996
      },
      {
        "ch": 128.4843,
        "easting": 452544.7821,
        "northing": 6510853.2079,
        "existing_z": 217.819,
        "design_z": 217.2025,
        "delta_z": -0.6164
      },
      {
        "ch": 130.0,
        "easting": 452545.8539,
        "northing": 6510852.1361,
        "existing_z": 217.6995,
        "design_z": 217.0757,
        "delta_z": -0.6239
      },
      {
        "ch": 140.0,
        "easting": 452552.9249,
        "northing": 6510845.0651,
        "existing_z": 216.7954,
        "design_z": 216.2387,
        "delta_z": -0.5567
      },
      {
        "ch": 150.0,
        "easting": 452559.996,
        "northing": 6510837.994,
        "existing_z": 215.7368,
        "design_z": 215.4018,
        "delta_z": -0.335
      },
      {
        "ch": 160.0,
        "easting": 452567.0671,
        "northing": 6510830.9229,
        "existing_z": 214.6474,
        "design_z": 214.5648,
        "delta_z": -0.0825
      },
      {
        "ch": 162.7265,
        "easting": 452568.995,
        "northing": 6510828.995,
        "existing_z": 214.3366,
        "design_z": 214.3366,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD221",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 163.895,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 8.31,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452453.9300000269,
          6510944.0599999735
        ],
        "end": [
          452569.57422953675,
          6510830.418397338
        ],
        "chainage_start": 0,
        "length": 162.13575074137532
      },
      {
        "type": "ARC",
        "centre": [
          452569.1594706034,
          6510829.996329397
        ],
        "radius": 0.5917485276639705,
        "start_angle_rad": 0.7941321347599656,
        "sweep_rad": -1.5795302984226447,
        "start": [
          452569.57422953675,
          6510830.418397338
        ],
        "end": [
          452569.57790000003,
          6510829.5779
        ],
        "chainage_start": 162.13575074137532,
        "length": 0.9346847284922318,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452569.5779,
          6510829.5779
        ],
        "end": [
          452568.9950000001,
          6510828.995
        ],
        "chainage_start": 163.07043546986756,
        "length": 0.8243450852723743
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 54.63159351837998,
        "pvi_z": 221.47065258438747,
        "bvc": 34.63159351837998,
        "evc": 74.63159351837999,
        "length": 40.0,
        "g1": -0.035774102819827264,
        "g2": -0.047512951931289474,
        "z_bvc": 222.18613464078402,
        "K_m_per_percent": 34.07489066448826
      },
      {
        "pvi_ch": 109.26318703675996,
        "pvi_z": 218.87494430761893,
        "bvc": 89.26318703675996,
        "evc": 129.26318703675997,
        "length": 40.0,
        "g1": -0.047512951931289474,
        "g2": -0.08307162812985362,
        "z_bvc": 219.82520334624473,
        "K_m_per_percent": 11.24901269570187
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452453.93,
        "northing": 6510944.06,
        "existing_z": 223.425,
        "design_z": 223.425,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452461.0626,
        "northing": 6510937.051,
        "existing_z": 222.9676,
        "design_z": 223.0673,
        "delta_z": 0.0997
      },
      {
        "ch": 20.0,
        "easting": 452468.1951,
        "northing": 6510930.0419,
        "existing_z": 222.5374,
        "design_z": 222.7096,
        "delta_z": 0.1721
      },
      {
        "ch": 30.0,
        "easting": 452475.3277,
        "northing": 6510923.0329,
        "existing_z": 222.1826,
        "design_z": 222.3518,
        "delta_z": 0.1692
      },
      {
        "ch": 34.6316,
        "easting": 452478.6312,
        "northing": 6510919.7866,
        "existing_z": 222.0429,
        "design_z": 222.1861,
        "delta_z": 0.1432
      },
      {
        "ch": 40.0,
        "easting": 452482.4602,
        "northing": 6510916.0238,
        "existing_z": 221.8945,
        "design_z": 221.9899,
        "delta_z": 0.0954
      },
      {
        "ch": 50.0,
        "easting": 452489.5928,
        "northing": 6510909.0148,
        "existing_z": 221.6591,
        "design_z": 221.6017,
        "delta_z": -0.0575
      },
      {
        "ch": 54.6316,
        "easting": 452492.8963,
        "northing": 6510905.7685,
        "existing_z": 221.5337,
        "design_z": 221.412,
        "delta_z": -0.1218
      },
      {
        "ch": 60.0,
        "easting": 452496.7253,
        "northing": 6510902.0058,
        "existing_z": 221.3876,
        "design_z": 221.1842,
        "delta_z": -0.2035
      },
      {
        "ch": 70.0,
        "easting": 452503.8579,
        "northing": 6510894.9967,
        "existing_z": 221.1312,
        "design_z": 220.7373,
        "delta_z": -0.3939
      },
      {
        "ch": 74.6316,
        "easting": 452507.1614,
        "northing": 6510891.7504,
        "existing_z": 221.0193,
        "design_z": 220.5204,
        "delta_z": -0.4989
      },
      {
        "ch": 80.0,
        "easting": 452510.9904,
        "northing": 6510887.9877,
        "existing_z": 220.8596,
        "design_z": 220.2653,
        "delta_z": -0.5943
      },
      {
        "ch": 89.2632,
        "easting": 452517.5975,
        "northing": 6510881.4951,
        "existing_z": 220.4088,
        "design_z": 219.8252,
        "delta_z": -0.5836
      },
      {
        "ch": 90.0,
        "easting": 452518.123,
        "northing": 6510880.9786,
        "existing_z": 220.3725,
        "design_z": 219.79,
        "delta_z": -0.5826
      },
      {
        "ch": 100.0,
        "easting": 452525.2556,
        "northing": 6510873.9696,
        "existing_z": 219.8745,
        "design_z": 219.2638,
        "delta_z": -0.6107
      },
      {
        "ch": 109.2632,
        "easting": 452531.8626,
        "northing": 6510867.477,
        "existing_z": 219.3436,
        "design_z": 218.6972,
        "delta_z": -0.6464
      },
      {
        "ch": 110.0,
        "easting": 452532.3881,
        "northing": 6510866.9606,
        "existing_z": 219.2885,
        "design_z": 218.6488,
        "delta_z": -0.6397
      },
      {
        "ch": 120.0,
        "easting": 452539.5207,
        "northing": 6510859.9515,
        "existing_z": 218.5315,
        "design_z": 217.9449,
        "delta_z": -0.5866
      },
      {
        "ch": 129.2632,
        "easting": 452546.1277,
        "northing": 6510853.4589,
        "existing_z": 217.8136,
        "design_z": 217.2135,
        "delta_z": -0.6
      },
      {
        "ch": 130.0,
        "easting": 452546.6532,
        "northing": 6510852.9425,
        "existing_z": 217.7558,
        "design_z": 217.1523,
        "delta_z": -0.6035
      },
      {
        "ch": 140.0,
        "easting": 452553.7858,
        "northing": 6510845.9334,
        "existing_z": 216.8359,
        "design_z": 216.3216,
        "delta_z": -0.5143
      },
      {
        "ch": 150.0,
        "easting": 452560.9183,
        "northing": 6510838.9244,
        "existing_z": 215.7802,
        "design_z": 215.4909,
        "delta_z": -0.2893
      },
      {
        "ch": 160.0,
        "easting": 452568.0509,
        "northing": 6510831.9154,
        "existing_z": 214.6937,
        "design_z": 214.6602,
        "delta_z": -0.0335
      },
      {
        "ch": 163.8948,
        "easting": 452568.995,
        "northing": 6510828.995,
        "existing_z": 214.3366,
        "design_z": 214.3366,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD222",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 325.185,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 16.75,
    "radius_review_count": 5,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451949.05,
          6510947.7
        ],
        "end": [
          451998.1290551482,
          6510949.552039817
        ],
        "chainage_start": 0,
        "length": 49.11398686450196
      },
      {
        "type": "ARC",
        "centre": [
          451999.15534549975,
          6510922.3553455
        ],
        "radius": 27.21605139748933,
        "start_angle_rad": 1.60851427925918,
        "sweep_rad": -0.8231161158612538,
        "start": [
          451998.1290551482,
          6510949.552039817
        ],
        "end": [
          452018.4,
          6510941.6
        ],
        "chainage_start": 49.11398686450196,
        "length": 22.401970515381667,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452018.4,
          6510941.6
        ],
        "end": [
          452027.1321749217,
          6510932.867825079
        ],
        "chainage_start": 71.51595737988363,
        "length": 12.349160202655801
      },
      {
        "type": "ARC",
        "centre": [
          452025.686166874,
          6510931.421817031
        ],
        "radius": 2.044964192278122,
        "start_angle_rad": 0.7853981635182105,
        "sweep_rad": -2.207560572102195,
        "start": [
          452027.1321749217,
          6510932.867825079
        ],
        "end": [
          452025.989,
          6510929.3994
        ],
        "chainage_start": 83.86511758253943,
        "length": 4.5143823222339945,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452025.98900000023,
          6510929.3994
        ],
        "end": [
          452024.461,
          6510929.1706
        ],
        "chainage_start": 88.37949990477343,
        "length": 1.545035093766325
      },
      {
        "type": "ARC",
        "centre": [
          452024.5859938903,
          6510928.335850593
        ],
        "radius": 0.844055712507923,
        "start_angle_rad": 1.7194302449248173,
        "sweep_rad": 2.731220327873142,
        "start": [
          452024.461,
          6510929.1706
        ],
        "end": [
          452024.36758591403,
          6510927.520542061
        ],
        "chainage_start": 89.92453499853976,
        "length": 2.3053021198590877,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452024.36758591403,
          6510927.520542061
        ],
        "end": [
          452074.7728,
          6510914.0178000005
        ],
        "chainage_start": 92.22983711839885,
        "length": 52.18246496861737
      },
      {
        "type": "ARC",
        "centre": [
          452064.23524646525,
          6510874.681520046
        ],
        "radius": 40.72324833775774,
        "start_angle_rad": 1.3090579191676035,
        "sweep_rad": -1.570819715748713,
        "start": [
          452074.7728,
          6510914.0178000005
        ],
        "end": [
          452103.571279947,
          6510864.14304648
        ],
        "chainage_start": 144.4123020870162,
        "length": 63.968881378280855,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452103.57127994695,
          6510864.14304648
        ],
        "end": [
          452095.85675539105,
          6510835.347719118
        ],
        "chainage_start": 208.38118346529706,
        "length": 29.81081627512737
      },
      {
        "type": "ARC",
        "centre": [
          452067.38948087906,
          6510842.974355395
        ],
        "radius": 29.471194394590107,
        "start_angle_rad": -0.2617617965760728,
        "sweep_rad": -1.5708119448319755,
        "start": [
          452095.85675539105,
          6510835.347719118
        ],
        "end": [
          452059.7624,
          6510814.5072
        ],
        "chainage_start": 238.19199974042442,
        "length": 46.2937041834873,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452059.76240000007,
          6510814.5072
        ],
        "end": [
          452020.45,
          6510825.04
        ],
        "chainage_start": 284.48570392391173,
        "length": 40.69895170158063
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 65.03693112509848,
        "pvi_z": 213.6992336751586,
        "bvc": 44.7959576758921,
        "evc": 85.27790457430486,
        "length": 40.48194689841276,
        "g1": 0.1674508183099867,
        "g2": 0.09998090681263211,
        "z_bvc": 210.3098661076983,
        "K_m_per_percent": 6.000000000000001
      },
      {
        "pvi_ch": 130.07386225019695,
        "pvi_z": 220.20168502535665,
        "bvc": 109.37365209879977,
        "evc": 150.77407240159414,
        "length": 41.400420302794366,
        "g1": 0.09998090681263211,
        "g2": 0.030980206307974833,
        "z_bvc": 218.13205924320792,
        "K_m_per_percent": 6.000000000000001
      },
      {
        "pvi_ch": 195.11079337529543,
        "pvi_z": 222.21654256924975,
        "bvc": 174.32973774013567,
        "evc": 215.8918490104552,
        "length": 41.5621112703195,
        "g1": 0.030980206307974833,
        "g2": -0.03828997914255767,
        "z_bvc": 221.572741178375,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 260.1477245003939,
        "pvi_z": 219.72627983297377,
        "bvc": 240.1477245003939,
        "evc": 280.1477245003939,
        "length": 40.0,
        "g1": -0.03828997914255767,
        "g2": -0.0912697597261576,
        "z_bvc": 220.49207941582492,
        "K_m_per_percent": 7.55005014354139
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451949.05,
        "northing": 6510947.7,
        "existing_z": 202.8087,
        "design_z": 202.8087,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451959.0429,
        "northing": 6510948.0771,
        "existing_z": 204.5017,
        "design_z": 204.4833,
        "delta_z": -0.0184
      },
      {
        "ch": 20.0,
        "easting": 451969.0358,
        "northing": 6510948.4542,
        "existing_z": 206.2097,
        "design_z": 206.1578,
        "delta_z": -0.052
      },
      {
        "ch": 30.0,
        "easting": 451979.0287,
        "northing": 6510948.8313,
        "existing_z": 208.0995,
        "design_z": 207.8323,
        "delta_z": -0.2673
      },
      {
        "ch": 40.0,
        "easting": 451989.0216,
        "northing": 6510949.2084,
        "existing_z": 210.0099,
        "design_z": 209.5068,
        "delta_z": -0.5032
      },
      {
        "ch": 44.796,
        "easting": 451993.8141,
        "northing": 6510949.3892,
        "existing_z": 210.9604,
        "design_z": 210.3099,
        "delta_z": -0.6505
      },
      {
        "ch": 50.0,
        "easting": 451999.0148,
        "northing": 6510949.571,
        "existing_z": 212.0001,
        "design_z": 211.1587,
        "delta_z": -0.8413
      },
      {
        "ch": 60.0,
        "easting": 452008.8006,
        "northing": 6510947.805,
        "existing_z": 213.8627,
        "design_z": 212.6632,
        "delta_z": -1.1996
      },
      {
        "ch": 65.0369,
        "easting": 452013.319,
        "northing": 6510945.5955,
        "existing_z": 214.6122,
        "design_z": 213.3578,
        "delta_z": -1.2544
      },
      {
        "ch": 70.0,
        "easting": 452017.2988,
        "northing": 6510942.6415,
        "existing_z": 215.2261,
        "design_z": 214.0009,
        "delta_z": -1.2252
      },
      {
        "ch": 80.0,
        "easting": 452024.3991,
        "northing": 6510935.6009,
        "existing_z": 216.3,
        "design_z": 215.172,
        "delta_z": -1.128
      },
      {
        "ch": 85.2779,
        "easting": 452027.722,
        "northing": 6510931.6149,
        "existing_z": 216.8034,
        "design_z": 215.7229,
        "delta_z": -1.0804
      },
      {
        "ch": 90.0,
        "easting": 452024.387,
        "northing": 6510929.1561,
        "existing_z": 216.0807,
        "design_z": 216.1951,
        "delta_z": 0.1144
      },
      {
        "ch": 100.0,
        "easting": 452031.8731,
        "northing": 6510925.5099,
        "existing_z": 217.3332,
        "design_z": 217.1949,
        "delta_z": -0.1383
      },
      {
        "ch": 109.3737,
        "easting": 452040.9275,
        "northing": 6510923.0844,
        "existing_z": 218.6075,
        "design_z": 218.1321,
        "delta_z": -0.4755
      },
      {
        "ch": 110.0,
        "easting": 452041.5325,
        "northing": 6510922.9223,
        "existing_z": 218.6936,
        "design_z": 218.1944,
        "delta_z": -0.4992
      },
      {
        "ch": 120.0,
        "easting": 452051.1919,
        "northing": 6510920.3347,
        "existing_z": 220.0226,
        "design_z": 219.1004,
        "delta_z": -0.9222
      },
      {
        "ch": 130.0,
        "easting": 452060.8514,
        "northing": 6510917.7471,
        "existing_z": 220.9454,
        "design_z": 219.8398,
        "delta_z": -1.1056
      },
      {
        "ch": 130.0739,
        "easting": 452060.9227,
        "northing": 6510917.728,
        "existing_z": 220.9523,
        "design_z": 219.8446,
        "delta_z": -1.1077
      },
      {
        "ch": 140.0,
        "easting": 452070.5108,
        "northing": 6510915.1595,
        "existing_z": 221.8668,
        "design_z": 220.4125,
        "delta_z": -1.4543
      },
      {
        "ch": 150.0,
        "easting": 452080.0542,
        "northing": 6510912.2067,
        "existing_z": 222.4432,
        "design_z": 220.8185,
        "delta_z": -1.6247
      },
      {
        "ch": 150.7741,
        "easting": 452080.7646,
        "northing": 6510911.8993,
        "existing_z": 222.4849,
        "design_z": 220.843,
        "delta_z": -1.6419
      },
      {
        "ch": 160.0,
        "easting": 452088.702,
        "northing": 6510907.2355,
        "existing_z": 222.9135,
        "design_z": 221.1288,
        "delta_z": -1.7847
      },
      {
        "ch": 170.0,
        "easting": 452095.8819,
        "northing": 6510900.311,
        "existing_z": 223.1616,
        "design_z": 221.4386,
        "delta_z": -1.723
      },
      {
        "ch": 174.3297,
        "easting": 452098.423,
        "northing": 6510896.8079,
        "existing_z": 223.2173,
        "design_z": 221.5727,
        "delta_z": -1.6445
      },
      {
        "ch": 180.0,
        "easting": 452101.1631,
        "northing": 6510891.8489,
        "existing_z": 223.2478,
        "design_z": 221.7216,
        "delta_z": -1.5262
      },
      {
        "ch": 190.0,
        "easting": 452104.2287,
        "northing": 6510882.3567,
        "existing_z": 223.1526,
        "design_z": 221.8536,
        "delta_z": -1.299
      },
      {
        "ch": 195.1108,
        "easting": 452104.8748,
        "northing": 6510877.2903,
        "existing_z": 223.0476,
        "design_z": 221.8567,
        "delta_z": -1.1909
      },
      {
        "ch": 200.0,
        "easting": 452104.8948,
        "northing": 6510872.4041,
        "existing_z": 222.9171,
        "design_z": 221.8189,
        "delta_z": -1.0983
      },
      {
        "ch": 210.0,
        "easting": 452103.1524,
        "northing": 6510862.5794,
        "existing_z": 222.5542,
        "design_z": 221.6175,
        "delta_z": -0.9367
      },
      {
        "ch": 215.8918,
        "easting": 452101.6276,
        "northing": 6510856.8882,
        "existing_z": 222.3162,
        "design_z": 221.4208,
        "delta_z": -0.8954
      },
      {
        "ch": 220.0,
        "easting": 452100.5645,
        "northing": 6510852.92,
        "existing_z": 222.1501,
        "design_z": 221.2635,
        "delta_z": -0.8866
      },
      {
        "ch": 230.0,
        "easting": 452097.9767,
        "northing": 6510843.2607,
        "existing_z": 221.7681,
        "design_z": 220.8806,
        "delta_z": -0.8875
      },
      {
        "ch": 240.0,
        "easting": 452095.3356,
        "northing": 6510833.6167,
        "existing_z": 221.3964,
        "design_z": 220.4977,
        "delta_z": -0.8987
      },
      {
        "ch": 240.1477,
        "easting": 452095.2884,
        "northing": 6510833.4768,
        "existing_z": 221.3906,
        "design_z": 220.4921,
        "delta_z": -0.8986
      },
      {
        "ch": 250.0,
        "easting": 452090.6276,
        "northing": 6510824.8487,
        "existing_z": 220.9909,
        "design_z": 220.0506,
        "delta_z": -0.9404
      },
      {
        "ch": 260.0,
        "easting": 452083.2697,
        "northing": 6510818.1476,
        "existing_z": 220.4059,
        "design_z": 219.4709,
        "delta_z": -0.935
      },
      {
        "ch": 260.1477,
        "easting": 452083.1451,
        "northing": 6510818.0683,
        "existing_z": 220.3964,
        "design_z": 219.4614,
        "delta_z": -0.9351
      },
      {
        "ch": 270.0,
        "easting": 452074.1009,
        "northing": 6510814.2775,
        "existing_z": 219.7456,
        "design_z": 218.7589,
        "delta_z": -0.9867
      },
      {
        "ch": 280.0,
        "easting": 452064.1667,
        "northing": 6510813.6799,
        "existing_z": 218.8913,
        "design_z": 217.9144,
        "delta_z": -0.9769
      },
      {
        "ch": 280.1477,
        "easting": 452064.02,
        "northing": 6510813.6964,
        "existing_z": 218.877,
        "design_z": 217.9009,
        "delta_z": -0.9761
      },
      {
        "ch": 290.0,
        "easting": 452054.436,
        "northing": 6510815.9343,
        "existing_z": 217.9631,
        "design_z": 217.0017,
        "delta_z": -0.9614
      },
      {
        "ch": 300.0,
        "easting": 452044.7767,
        "northing": 6510818.5223,
        "existing_z": 216.9218,
        "design_z": 216.089,
        "delta_z": -0.8328
      },
      {
        "ch": 310.0,
        "easting": 452035.1173,
        "northing": 6510821.1102,
        "existing_z": 215.7647,
        "design_z": 215.1763,
        "delta_z": -0.5884
      },
      {
        "ch": 320.0,
        "easting": 452025.458,
        "northing": 6510823.6982,
        "existing_z": 214.5063,
        "design_z": 214.2636,
        "delta_z": -0.2428
      },
      {
        "ch": 325.1847,
        "easting": 452020.45,
        "northing": 6510825.04,
        "existing_z": 213.7904,
        "design_z": 213.7904,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD223",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 663.221,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 22.52,
    "radius_review_count": 8,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450030.0,
          6510900.12
        ],
        "end": [
          450334.0958336609,
          6510900.12
        ],
        "chainage_start": 0,
        "length": 304.0958336609183
      },
      {
        "type": "ARC",
        "centre": [
          450334.0958336609,
          6510914.496489007
        ],
        "radius": 14.376489007242032,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7793620193980763,
        "start": [
          450334.0958336609,
          6510900.12
        ],
        "end": [
          450344.2,
          6510904.2696
        ],
        "chainage_start": 304.0958336609183,
        "length": 11.204489504538394,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450344.2,
          6510904.269599999
        ],
        "end": [
          450345.8,
          6510905.8504
        ],
        "chainage_start": 315.3003231654567,
        "length": 2.2492062248165285
      },
      {
        "type": "ARC",
        "centre": [
          450355.9041663391,
          6510895.623510992
        ],
        "radius": 14.376489007242032,
        "start_angle_rad": 2.3501583461719693,
        "sweep_rad": -0.7793620193980763,
        "start": [
          450345.8,
          6510905.8504
        ],
        "end": [
          450355.9041663391,
          6510910.0
        ],
        "chainage_start": 317.5495293902732,
        "length": 11.204489504538394,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450355.9041663394,
          6510909.999999999
        ],
        "end": [
          450424.0958336609,
          6510910.0
        ],
        "chainage_start": 328.7540188948116,
        "length": 68.19166732154554
      },
      {
        "type": "ARC",
        "centre": [
          450424.0958336609,
          6510907.575264716
        ],
        "radius": 2.4247352842582375,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -2.362230634191717,
        "start": [
          450424.0958336609,
          6510910.0
        ],
        "end": [
          450425.8,
          6510905.8504
        ],
        "chainage_start": 396.94568621635716,
        "length": 5.72778396828037,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450425.8,
          6510905.8504
        ],
        "end": [
          450424.2,
          6510904.2696
        ],
        "chainage_start": 402.67347018463755,
        "length": 2.2492062241619712
      },
      {
        "type": "ARC",
        "centre": [
          450425.9041663391,
          6510902.5447352845
        ],
        "radius": 2.4247352842582375,
        "start_angle_rad": 2.350158346183464,
        "sweep_rad": 2.362230634191717,
        "start": [
          450424.2,
          6510904.2696
        ],
        "end": [
          450425.9041663391,
          6510900.12
        ],
        "chainage_start": 404.92267640879953,
        "length": 5.72778396828037,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450425.9041663391,
          6510900.12
        ],
        "end": [
          450534.0958336609,
          6510900.12
        ],
        "chainage_start": 410.6504603770799,
        "length": 108.19166732183658
      },
      {
        "type": "ARC",
        "centre": [
          450534.0958336609,
          6510914.496489007
        ],
        "radius": 14.376489007242032,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7793620193980763,
        "start": [
          450534.0958336609,
          6510900.12
        ],
        "end": [
          450544.2,
          6510904.2696
        ],
        "chainage_start": 518.8421276989166,
        "length": 11.204489504538394,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450544.2,
          6510904.269599999
        ],
        "end": [
          450545.8,
          6510905.8504
        ],
        "chainage_start": 530.046617203455,
        "length": 2.2492062248165285
      },
      {
        "type": "ARC",
        "centre": [
          450549.97472348384,
          6510901.624971372
        ],
        "radius": 5.9399127310259345,
        "start_angle_rad": 2.3501583461488837,
        "sweep_rad": -1.5647601827955246,
        "start": [
          450545.8,
          6510905.8504
        ],
        "end": [
          450554.1748760556,
          6510905.825123944
        ],
        "chainage_start": 532.2958234282714,
        "length": 9.294538930789605,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450554.1748760558,
          6510905.825123943
        ],
        "end": [
          450561.6,
          6510898.4
        ],
        "chainage_start": 541.590362359061,
        "length": 10.500710983337505
      },
      {
        "type": "ARC",
        "centre": [
          450541.32060607604,
          6510878.120606077
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 0.7853981633859671,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450561.6,
          6510898.4
        ],
        "end": [
          450570.0,
          6510878.120606076
        ],
        "chainage_start": 552.0910733423985,
        "length": 22.524743315209697,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450570.0,
          6510878.120606077
        ],
        "end": [
          450570.0,
          6510847.783488413
        ],
        "chainage_start": 574.6158166576082,
        "length": 30.33711766358465
      },
      {
        "type": "ARC",
        "centre": [
          450527.1882439402,
          6510847.783488413
        ],
        "radius": 42.81175605984679,
        "start_angle_rad": 0.0,
        "sweep_rad": -0.7874021687326261,
        "start": [
          450570.0,
          6510847.783488413
        ],
        "end": [
          450557.4,
          6510817.4504
        ],
        "chainage_start": 604.9529343211929,
        "length": 33.710069568775516,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450557.4,
          6510817.4503999995
        ],
        "end": [
          450540.0,
          6510800.12
        ],
        "chainage_start": 638.6630038899684,
        "length": 24.55815066611981
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 73.69123939512092,
        "pvi_z": 228.24031609386668,
        "bvc": 48.7909778349344,
        "evc": 98.59150095530742,
        "length": 49.80052312037303,
        "g1": 0.15403443047110077,
        "g2": 0.07103355860381239,
        "z_bvc": 224.4048184858619,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 147.38247879024183,
        "pvi_z": 233.47486706602757,
        "bvc": 114.22142106243743,
        "evc": 180.54353651804624,
        "length": 66.32211545560881,
        "g1": 0.07103355860381239,
        "g2": -0.05702483070396264,
        "z_bvc": 231.11931912855516,
        "K_m_per_percent": 5.179052759769647
      },
      {
        "pvi_ch": 221.07371818536274,
        "pvi_z": 229.27263661515562,
        "bvc": 195.96380962910115,
        "evc": 246.18362674162432,
        "length": 50.21981711252319,
        "g1": -0.05702483070396264,
        "g2": -0.14072452589150128,
        "z_bvc": 230.7045248995684,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 294.76495758048367,
        "pvi_z": 218.9024718889201,
        "bvc": 269.4223603317819,
        "evc": 320.10755482918546,
        "length": 50.685194497403565,
        "g1": -0.14072452589150128,
        "g2": -0.22519985005384055,
        "z_bvc": 222.46879687160293,
        "K_m_per_percent": 6.000000000000001
      },
      {
        "pvi_ch": 368.4561969756046,
        "pvi_z": 202.3072158268572,
        "bvc": 348.4561969756046,
        "evc": 388.4561969756046,
        "length": 40.0,
        "g1": -0.22519985005384055,
        "g2": -0.19777599157100992,
        "z_bvc": 206.811212827934,
        "K_m_per_percent": 14.585839561943104
      },
      {
        "pvi_ch": 442.1474363707255,
        "pvi_z": 187.7328578853905,
        "bvc": 416.0465053434425,
        "evc": 468.24836739800844,
        "length": 52.20186205456598,
        "g1": -0.19777599157100992,
        "g2": -0.11077288814673329,
        "z_bvc": 192.89499540023795,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 515.8386757658465,
        "pvi_z": 179.56986646648062,
        "bvc": 495.83867576584646,
        "evc": 535.8386757658465,
        "length": 40.0,
        "g1": -0.11077288814673329,
        "g2": -0.052265171923306215,
        "z_bvc": 181.7853242294153,
        "K_m_per_percent": 6.836705067627233
      },
      {
        "pvi_ch": 589.5299151609673,
        "pvi_z": 175.7183811702531,
        "bvc": 568.7133481823641,
        "evc": 610.3464821395705,
        "length": 41.63313395720648,
        "g1": -0.052265171923306215,
        "g2": 0.01712338467203792,
        "z_bvc": 176.80636262224283,
        "K_m_per_percent": 6.0
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450030.0,
        "northing": 6510900.12,
        "existing_z": 216.8893,
        "design_z": 216.8893,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450040.0,
        "northing": 6510900.12,
        "existing_z": 218.1161,
        "design_z": 218.4297,
        "delta_z": 0.3136
      },
      {
        "ch": 20.0,
        "easting": 450050.0,
        "northing": 6510900.12,
        "existing_z": 219.3428,
        "design_z": 219.97,
        "delta_z": 0.6272
      },
      {
        "ch": 30.0,
        "easting": 450060.0,
        "northing": 6510900.12,
        "existing_z": 221.0424,
        "design_z": 221.5104,
        "delta_z": 0.468
      },
      {
        "ch": 40.0,
        "easting": 450070.0,
        "northing": 6510900.12,
        "existing_z": 222.7419,
        "design_z": 223.0507,
        "delta_z": 0.3088
      },
      {
        "ch": 48.791,
        "easting": 450078.791,
        "northing": 6510900.12,
        "existing_z": 224.5124,
        "design_z": 224.4048,
        "delta_z": -0.1076
      },
      {
        "ch": 50.0,
        "easting": 450080.0,
        "northing": 6510900.12,
        "existing_z": 224.7559,
        "design_z": 224.5898,
        "delta_z": -0.1661
      },
      {
        "ch": 60.0,
        "easting": 450090.0,
        "northing": 6510900.12,
        "existing_z": 226.7699,
        "design_z": 226.0267,
        "delta_z": -0.7432
      },
      {
        "ch": 70.0,
        "easting": 450100.0,
        "northing": 6510900.12,
        "existing_z": 228.6177,
        "design_z": 227.2969,
        "delta_z": -1.3208
      },
      {
        "ch": 73.6912,
        "easting": 450103.6912,
        "northing": 6510900.12,
        "existing_z": 229.2997,
        "design_z": 227.7236,
        "delta_z": -1.5761
      },
      {
        "ch": 80.0,
        "easting": 450110.0,
        "northing": 6510900.12,
        "existing_z": 230.4655,
        "design_z": 228.4004,
        "delta_z": -2.0651
      },
      {
        "ch": 90.0,
        "easting": 450120.0,
        "northing": 6510900.12,
        "existing_z": 231.8636,
        "design_z": 229.3373,
        "delta_z": -2.5264
      },
      {
        "ch": 98.5915,
        "easting": 450128.5915,
        "northing": 6510900.12,
        "existing_z": 233.0649,
        "design_z": 230.0091,
        "delta_z": -3.0558
      },
      {
        "ch": 100.0,
        "easting": 450130.0,
        "northing": 6510900.12,
        "existing_z": 233.2618,
        "design_z": 230.1091,
        "delta_z": -3.1527
      },
      {
        "ch": 110.0,
        "easting": 450140.0,
        "northing": 6510900.12,
        "existing_z": 234.1826,
        "design_z": 230.8195,
        "delta_z": -3.3631
      },
      {
        "ch": 114.2214,
        "easting": 450144.2214,
        "northing": 6510900.12,
        "existing_z": 234.5713,
        "design_z": 231.1193,
        "delta_z": -3.4519
      },
      {
        "ch": 120.0,
        "easting": 450150.0,
        "northing": 6510900.12,
        "existing_z": 235.1033,
        "design_z": 231.4976,
        "delta_z": -3.6058
      },
      {
        "ch": 130.0,
        "easting": 450160.0,
        "northing": 6510900.12,
        "existing_z": 235.3898,
        "design_z": 231.9998,
        "delta_z": -3.39
      },
      {
        "ch": 140.0,
        "easting": 450170.0,
        "northing": 6510900.12,
        "existing_z": 235.6762,
        "design_z": 232.3089,
        "delta_z": -3.3673
      },
      {
        "ch": 147.3825,
        "easting": 450177.3825,
        "northing": 6510900.12,
        "existing_z": 235.4909,
        "design_z": 232.4132,
        "delta_z": -3.0777
      },
      {
        "ch": 150.0,
        "easting": 450180.0,
        "northing": 6510900.12,
        "existing_z": 235.4252,
        "design_z": 232.4249,
        "delta_z": -3.0003
      },
      {
        "ch": 160.0,
        "easting": 450190.0,
        "northing": 6510900.12,
        "existing_z": 235.1743,
        "design_z": 232.3479,
        "delta_z": -2.8264
      },
      {
        "ch": 170.0,
        "easting": 450200.0,
        "northing": 6510900.12,
        "existing_z": 234.4835,
        "design_z": 232.0778,
        "delta_z": -2.4057
      },
      {
        "ch": 180.0,
        "easting": 450210.0,
        "northing": 6510900.12,
        "existing_z": 233.7928,
        "design_z": 231.6146,
        "delta_z": -2.1782
      },
      {
        "ch": 180.5435,
        "easting": 450210.5435,
        "northing": 6510900.12,
        "existing_z": 233.7446,
        "design_z": 231.5839,
        "delta_z": -2.1608
      },
      {
        "ch": 190.0,
        "easting": 450220.0,
        "northing": 6510900.12,
        "existing_z": 232.9074,
        "design_z": 231.0446,
        "delta_z": -1.8628
      },
      {
        "ch": 195.9638,
        "easting": 450225.9638,
        "northing": 6510900.12,
        "existing_z": 232.3793,
        "design_z": 230.7045,
        "delta_z": -1.6748
      },
      {
        "ch": 200.0,
        "easting": 450230.0,
        "northing": 6510900.12,
        "existing_z": 232.022,
        "design_z": 230.4608,
        "delta_z": -1.5612
      },
      {
        "ch": 210.0,
        "easting": 450240.0,
        "northing": 6510900.12,
        "existing_z": 231.0774,
        "design_z": 229.7399,
        "delta_z": -1.3374
      },
      {
        "ch": 220.0,
        "easting": 450250.0,
        "northing": 6510900.12,
        "existing_z": 230.1328,
        "design_z": 228.8524,
        "delta_z": -1.2804
      },
      {
        "ch": 221.0737,
        "easting": 450251.0737,
        "northing": 6510900.12,
        "existing_z": 230.0236,
        "design_z": 228.7472,
        "delta_z": -1.2764
      },
      {
        "ch": 230.0,
        "easting": 450260.0,
        "northing": 6510900.12,
        "existing_z": 229.1161,
        "design_z": 227.7982,
        "delta_z": -1.3179
      },
      {
        "ch": 240.0,
        "easting": 450270.0,
        "northing": 6510900.12,
        "existing_z": 228.0995,
        "design_z": 226.5774,
        "delta_z": -1.5221
      },
      {
        "ch": 246.1836,
        "easting": 450276.1836,
        "northing": 6510900.12,
        "existing_z": 227.3908,
        "design_z": 225.7391,
        "delta_z": -1.6517
      },
      {
        "ch": 250.0,
        "easting": 450280.0,
        "northing": 6510900.12,
        "existing_z": 226.9534,
        "design_z": 225.202,
        "delta_z": -1.7514
      },
      {
        "ch": 260.0,
        "easting": 450290.0,
        "northing": 6510900.12,
        "existing_z": 225.8074,
        "design_z": 223.7948,
        "delta_z": -2.0126
      },
      {
        "ch": 269.4224,
        "easting": 450299.4224,
        "northing": 6510900.12,
        "existing_z": 224.5105,
        "design_z": 222.4688,
        "delta_z": -2.0417
      },
      {
        "ch": 270.0,
        "easting": 450300.0,
        "northing": 6510900.12,
        "existing_z": 224.431,
        "design_z": 222.3872,
        "delta_z": -2.0437
      },
      {
        "ch": 280.0,
        "easting": 450310.0,
        "northing": 6510900.12,
        "existing_z": 223.0545,
        "design_z": 220.887,
        "delta_z": -2.1675
      },
      {
        "ch": 290.0,
        "easting": 450320.0,
        "northing": 6510900.12,
        "existing_z": 221.3034,
        "design_z": 219.2202,
        "delta_z": -2.0832
      },
      {
        "ch": 294.765,
        "easting": 450324.765,
        "northing": 6510900.12,
        "existing_z": 220.469,
        "design_z": 218.3673,
        "delta_z": -2.1017
      },
      {
        "ch": 300.0,
        "easting": 450330.0,
        "northing": 6510900.12,
        "existing_z": 219.5523,
        "design_z": 217.3866,
        "delta_z": -2.1657
      },
      {
        "ch": 310.0,
        "easting": 450339.8354,
        "northing": 6510901.3154,
        "existing_z": 217.3122,
        "design_z": 215.3864,
        "delta_z": -1.9258
      },
      {
        "ch": 320.0,
        "easting": 450347.6812,
        "northing": 6510907.4161,
        "existing_z": 215.8012,
        "design_z": 213.2195,
        "delta_z": -2.5817
      },
      {
        "ch": 320.1076,
        "easting": 450347.7696,
        "northing": 6510907.4773,
        "existing_z": 215.7846,
        "design_z": 213.1953,
        "delta_z": -2.5892
      },
      {
        "ch": 330.0,
        "easting": 450357.1501,
        "northing": 6510910.0,
        "existing_z": 213.4059,
        "design_z": 210.9675,
        "delta_z": -2.4383
      },
      {
        "ch": 340.0,
        "easting": 450367.1501,
        "northing": 6510910.0,
        "existing_z": 210.5867,
        "design_z": 208.7155,
        "delta_z": -1.8712
      },
      {
        "ch": 348.4562,
        "easting": 450375.6063,
        "northing": 6510910.0,
        "existing_z": 208.0331,
        "design_z": 206.8112,
        "delta_z": -1.2219
      },
      {
        "ch": 350.0,
        "easting": 450377.1501,
        "northing": 6510910.0,
        "existing_z": 207.5511,
        "design_z": 206.4644,
        "delta_z": -1.0867
      },
      {
        "ch": 360.0,
        "easting": 450387.1501,
        "northing": 6510910.0,
        "existing_z": 204.4292,
        "design_z": 204.2572,
        "delta_z": -0.172
      },
      {
        "ch": 368.4562,
        "easting": 450395.6063,
        "northing": 6510910.0,
        "existing_z": 201.7468,
        "design_z": 202.4443,
        "delta_z": 0.6975
      },
      {
        "ch": 370.0,
        "easting": 450397.1501,
        "northing": 6510910.0,
        "existing_z": 201.2532,
        "design_z": 202.1187,
        "delta_z": 0.8655
      },
      {
        "ch": 380.0,
        "easting": 450407.1501,
        "northing": 6510910.0,
        "existing_z": 198.0556,
        "design_z": 200.0486,
        "delta_z": 1.993
      },
      {
        "ch": 388.4562,
        "easting": 450415.6063,
        "northing": 6510910.0,
        "existing_z": 195.5674,
        "design_z": 198.3517,
        "delta_z": 2.7843
      },
      {
        "ch": 390.0,
        "easting": 450417.1501,
        "northing": 6510910.0,
        "existing_z": 195.1332,
        "design_z": 198.0464,
        "delta_z": 2.9132
      },
      {
        "ch": 400.0,
        "easting": 450426.4041,
        "northing": 6510908.3176,
        "existing_z": 192.4812,
        "design_z": 196.0686,
        "delta_z": 3.5874
      },
      {
        "ch": 410.0,
        "easting": 450425.2615,
        "northing": 6510900.2067,
        "existing_z": 192.5589,
        "design_z": 194.0908,
        "delta_z": 1.532
      },
      {
        "ch": 416.0465,
        "easting": 450431.3002,
        "northing": 6510900.12,
        "existing_z": 190.9923,
        "design_z": 192.895,
        "delta_z": 1.9027
      },
      {
        "ch": 420.0,
        "easting": 450435.2537,
        "northing": 6510900.12,
        "existing_z": 190.1943,
        "design_z": 192.1261,
        "delta_z": 1.9318
      },
      {
        "ch": 430.0,
        "easting": 450445.2537,
        "northing": 6510900.12,
        "existing_z": 188.1759,
        "design_z": 190.2976,
        "delta_z": 2.1217
      },
      {
        "ch": 440.0,
        "easting": 450455.2537,
        "northing": 6510900.12,
        "existing_z": 186.5829,
        "design_z": 188.6357,
        "delta_z": 2.0528
      },
      {
        "ch": 442.1474,
        "easting": 450457.4011,
        "northing": 6510900.12,
        "existing_z": 186.3234,
        "design_z": 188.3006,
        "delta_z": 1.9772
      },
      {
        "ch": 450.0,
        "easting": 450465.2537,
        "northing": 6510900.12,
        "existing_z": 185.3743,
        "design_z": 187.1405,
        "delta_z": 1.7662
      },
      {
        "ch": 460.0,
        "easting": 450475.2537,
        "northing": 6510900.12,
        "existing_z": 184.3322,
        "design_z": 185.812,
        "delta_z": 1.4798
      },
      {
        "ch": 468.2484,
        "easting": 450483.5021,
        "northing": 6510900.12,
        "existing_z": 183.5966,
        "design_z": 184.8416,
        "delta_z": 1.245
      },
      {
        "ch": 470.0,
        "easting": 450485.2537,
        "northing": 6510900.12,
        "existing_z": 183.4404,
        "design_z": 184.6475,
        "delta_z": 1.2071
      },
      {
        "ch": 480.0,
        "easting": 450495.2537,
        "northing": 6510900.12,
        "existing_z": 182.5556,
        "design_z": 183.5398,
        "delta_z": 0.9842
      },
      {
        "ch": 490.0,
        "easting": 450505.2537,
        "northing": 6510900.12,
        "existing_z": 181.677,
        "design_z": 182.4321,
        "delta_z": 0.7551
      },
      {
        "ch": 495.8387,
        "easting": 450511.0924,
        "northing": 6510900.12,
        "existing_z": 181.1469,
        "design_z": 181.7853,
        "delta_z": 0.6385
      },
      {
        "ch": 500.0,
        "easting": 450515.2537,
        "northing": 6510900.12,
        "existing_z": 180.7157,
        "design_z": 181.337,
        "delta_z": 0.6214
      },
      {
        "ch": 510.0,
        "easting": 450525.2537,
        "northing": 6510900.12,
        "existing_z": 179.6795,
        "design_z": 180.3633,
        "delta_z": 0.6838
      },
      {
        "ch": 515.8387,
        "easting": 450531.0924,
        "northing": 6510900.12,
        "existing_z": 179.0687,
        "design_z": 179.8624,
        "delta_z": 0.7937
      },
      {
        "ch": 520.0,
        "easting": 450535.2525,
        "northing": 6510900.1666,
        "existing_z": 178.615,
        "design_z": 179.5358,
        "delta_z": 0.9208
      },
      {
        "ch": 530.0,
        "easting": 450544.1668,
        "northing": 6510904.2369,
        "existing_z": 177.6175,
        "design_z": 178.8547,
        "delta_z": 1.2372
      },
      {
        "ch": 535.8387,
        "easting": 450548.8943,
        "northing": 6510907.4658,
        "existing_z": 177.1098,
        "design_z": 178.5246,
        "delta_z": 1.4148
      },
      {
        "ch": 540.0,
        "easting": 450552.9141,
        "northing": 6510906.7866,
        "existing_z": 176.7192,
        "design_z": 178.3071,
        "delta_z": 1.5879
      },
      {
        "ch": 550.0,
        "easting": 450560.1214,
        "northing": 6510899.8786,
        "existing_z": 175.9963,
        "design_z": 177.7844,
        "delta_z": 1.7881
      },
      {
        "ch": 560.0,
        "easting": 450566.3556,
        "northing": 6510892.1119,
        "existing_z": 175.2996,
        "design_z": 177.2618,
        "delta_z": 1.9622
      },
      {
        "ch": 568.7133,
        "easting": 450569.3948,
        "northing": 6510883.9815,
        "existing_z": 174.864,
        "design_z": 176.8064,
        "delta_z": 1.9424
      },
      {
        "ch": 570.0,
        "easting": 450569.6294,
        "northing": 6510882.7165,
        "existing_z": 174.8189,
        "design_z": 176.7405,
        "delta_z": 1.9216
      },
      {
        "ch": 580.0,
        "easting": 450570.0,
        "northing": 6510872.7364,
        "existing_z": 174.6236,
        "design_z": 176.3226,
        "delta_z": 1.699
      },
      {
        "ch": 589.5299,
        "easting": 450570.0,
        "northing": 6510863.2065,
        "existing_z": 174.5224,
        "design_z": 176.0795,
        "delta_z": 1.557
      },
      {
        "ch": 590.0,
        "easting": 450570.0,
        "northing": 6510862.7364,
        "existing_z": 174.5184,
        "design_z": 176.0714,
        "delta_z": 1.553
      },
      {
        "ch": 600.0,
        "easting": 450570.0,
        "northing": 6510852.7364,
        "existing_z": 174.4317,
        "design_z": 175.9869,
        "delta_z": 1.5552
      },
      {
        "ch": 610.0,
        "easting": 450569.7028,
        "northing": 6510842.7481,
        "existing_z": 174.4666,
        "design_z": 176.069,
        "delta_z": 1.6024
      },
      {
        "ch": 610.3465,
        "easting": 450569.6607,
        "northing": 6510842.4042,
        "existing_z": 174.4723,
        "design_z": 176.0748,
        "delta_z": 1.6025
      },
      {
        "ch": 620.0,
        "easting": 450567.3828,
        "northing": 6510833.0443,
        "existing_z": 174.7327,
        "design_z": 176.2401,
        "delta_z": 1.5075
      },
      {
        "ch": 630.0,
        "easting": 450562.8797,
        "northing": 6510824.141,
        "existing_z": 175.1974,
        "design_z": 176.4114,
        "delta_z": 1.2139
      },
      {
        "ch": 640.0,
        "easting": 450556.4527,
        "northing": 6510816.5069,
        "existing_z": 175.7707,
        "design_z": 176.5826,
        "delta_z": 0.8119
      },
      {
        "ch": 650.0,
        "easting": 450549.3675,
        "northing": 6510809.45,
        "existing_z": 176.3144,
        "design_z": 176.7538,
        "delta_z": 0.4395
      },
      {
        "ch": 660.0,
        "easting": 450542.2823,
        "northing": 6510802.3931,
        "existing_z": 176.8308,
        "design_z": 176.9251,
        "delta_z": 0.0943
      },
      {
        "ch": 663.2212,
        "easting": 450540.0,
        "northing": 6510800.12,
        "existing_z": 176.9802,
        "design_z": 176.9802,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD224",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 59.788,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.0,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451739.74111010047,
          6510900.2588899
        ],
        "end": [
          451745.6912662422,
          6510894.308733758
        ],
        "chainage_start": 0,
        "length": 8.414791514053599
      },
      {
        "type": "ARC",
        "centre": [
          451756.09346971696,
          6510904.710937233
        ],
        "radius": 14.710937232528451,
        "start_angle_rad": -2.356194490175558,
        "sweep_rad": 0.7853981634002852,
        "start": [
          451745.6912662422,
          6510894.308733758
        ],
        "end": [
          451756.09346971696,
          6510890.0
        ],
        "chainage_start": 8.414791514053599,
        "length": 11.55394308432472,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451756.09346971725,
          6510890.0
        ],
        "end": [
          451765.52770794334,
          6510890.0
        ],
        "chainage_start": 19.96873459837832,
        "length": 9.434238226094749
      },
      {
        "type": "ARC",
        "centre": [
          451765.52770794334,
          6510891.042883834
        ],
        "radius": 1.0428838341663647,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 2.6834048811409392,
        "start": [
          451765.52770794334,
          6510890.0
        ],
        "end": [
          451765.989,
          6510891.9782
        ],
        "chainage_start": 29.402972824473068,
        "length": 2.7984795710650006,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451765.989,
          6510891.9782
        ],
        "end": [
          451764.42579387827,
          6510892.749163438
        ],
        "chainage_start": 32.20145239553807,
        "length": 1.7429853704299803
      },
      {
        "type": "ARC",
        "centre": [
          451744.5212351259,
          6510852.390663207
        ],
        "radius": 45.0,
        "start_angle_rad": 1.1126085543499078,
        "sweep_rad": 0.1963902059521195,
        "start": [
          451764.42579387827,
          6510892.749163438
        ],
        "end": [
          451756.1680129895,
          6510895.857346603
        ],
        "chainage_start": 33.94443776596805,
        "length": 8.837559267845378,
        "target_radius": 45,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          451756.1680129894,
          6510895.857346602
        ],
        "end": [
          451739.74111010047,
          6510900.2588899
        ],
        "chainage_start": 42.781997033813425,
        "length": 17.00637297969845
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451739.7411,
        "northing": 6510900.2589,
        "existing_z": 174.7306,
        "design_z": 174.7306,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451746.8703,
        "northing": 6510893.2503,
        "existing_z": 175.3643,
        "design_z": 174.7306,
        "delta_z": -0.6337
      },
      {
        "ch": 20.0,
        "easting": 451756.1247,
        "northing": 6510890.0,
        "existing_z": 176.3957,
        "design_z": 174.7306,
        "delta_z": -1.6651
      },
      {
        "ch": 30.0,
        "easting": 451766.0927,
        "northing": 6510890.1663,
        "existing_z": 177.6003,
        "design_z": 174.7306,
        "delta_z": -2.8697
      },
      {
        "ch": 40.0,
        "easting": 451758.8313,
        "northing": 6510895.0547,
        "existing_z": 176.7902,
        "design_z": 174.7306,
        "delta_z": -2.0596
      },
      {
        "ch": 50.0,
        "easting": 451749.196,
        "northing": 6510897.7255,
        "existing_z": 175.6599,
        "design_z": 174.7306,
        "delta_z": -0.9294
      },
      {
        "ch": 59.7884,
        "easting": 451739.7411,
        "northing": 6510900.2589,
        "existing_z": 174.7306,
        "design_z": 174.7306,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD225",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 180.12,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 13.15,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449780.0,
          6510900.12
        ],
        "end": [
          449960.1200000001,
          6510900.12
        ],
        "chainage_start": 0,
        "length": 180.12000000011176
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 60.04000000003725,
        "pvi_z": 196.33805630177824,
        "bvc": 40.04000000003725,
        "evc": 80.04000000003725,
        "length": 40.0,
        "g1": 0.07092105674697029,
        "g2": 0.13153254180652765,
        "z_bvc": 194.91963516683884,
        "K_m_per_percent": 6.599409329881236
      },
      {
        "pvi_ch": 120.0800000000745,
        "pvi_z": 204.23527011184706,
        "bvc": 100.0800000000745,
        "evc": 140.0800000000745,
        "length": 40.0,
        "g1": 0.13153254180652765,
        "g2": 0.12223610009446746,
        "z_bvc": 201.60461927571652,
        "K_m_per_percent": 43.027215400176566
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449780.0,
        "northing": 6510900.12,
        "existing_z": 192.08,
        "design_z": 192.08,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449790.0,
        "northing": 6510900.12,
        "existing_z": 192.2935,
        "design_z": 192.7892,
        "delta_z": 0.4956
      },
      {
        "ch": 20.0,
        "easting": 449800.0,
        "northing": 6510900.12,
        "existing_z": 192.6666,
        "design_z": 193.4984,
        "delta_z": 0.8318
      },
      {
        "ch": 30.0,
        "easting": 449810.0,
        "northing": 6510900.12,
        "existing_z": 193.0397,
        "design_z": 194.2076,
        "delta_z": 1.1679
      },
      {
        "ch": 40.0,
        "easting": 449820.0,
        "northing": 6510900.12,
        "existing_z": 193.6797,
        "design_z": 194.9168,
        "delta_z": 1.2371
      },
      {
        "ch": 40.04,
        "easting": 449820.04,
        "northing": 6510900.12,
        "existing_z": 193.6823,
        "design_z": 194.9196,
        "delta_z": 1.2373
      },
      {
        "ch": 50.0,
        "easting": 449830.0,
        "northing": 6510900.12,
        "existing_z": 194.3197,
        "design_z": 195.7012,
        "delta_z": 1.3814
      },
      {
        "ch": 60.0,
        "easting": 449840.0,
        "northing": 6510900.12,
        "existing_z": 195.2794,
        "design_z": 196.6371,
        "delta_z": 1.3576
      },
      {
        "ch": 60.04,
        "easting": 449840.04,
        "northing": 6510900.12,
        "existing_z": 195.2833,
        "design_z": 196.6411,
        "delta_z": 1.3578
      },
      {
        "ch": 70.0,
        "easting": 449850.0,
        "northing": 6510900.12,
        "existing_z": 196.2391,
        "design_z": 197.7245,
        "delta_z": 1.4854
      },
      {
        "ch": 80.0,
        "easting": 449860.0,
        "northing": 6510900.12,
        "existing_z": 197.6632,
        "design_z": 198.9634,
        "delta_z": 1.3003
      },
      {
        "ch": 80.04,
        "easting": 449860.04,
        "northing": 6510900.12,
        "existing_z": 197.6689,
        "design_z": 198.9687,
        "delta_z": 1.2998
      },
      {
        "ch": 90.0,
        "easting": 449870.0,
        "northing": 6510900.12,
        "existing_z": 199.0873,
        "design_z": 200.2788,
        "delta_z": 1.1915
      },
      {
        "ch": 100.0,
        "easting": 449880.0,
        "northing": 6510900.12,
        "existing_z": 200.9565,
        "design_z": 201.5941,
        "delta_z": 0.6376
      },
      {
        "ch": 100.08,
        "easting": 449880.08,
        "northing": 6510900.12,
        "existing_z": 200.9715,
        "design_z": 201.6046,
        "delta_z": 0.6332
      },
      {
        "ch": 110.0,
        "easting": 449890.0,
        "northing": 6510900.12,
        "existing_z": 202.8258,
        "design_z": 202.898,
        "delta_z": 0.0722
      },
      {
        "ch": 120.0,
        "easting": 449900.0,
        "northing": 6510900.12,
        "existing_z": 204.6416,
        "design_z": 204.1786,
        "delta_z": -0.4629
      },
      {
        "ch": 120.08,
        "easting": 449900.08,
        "northing": 6510900.12,
        "existing_z": 204.6561,
        "design_z": 204.1888,
        "delta_z": -0.4673
      },
      {
        "ch": 130.0,
        "easting": 449910.0,
        "northing": 6510900.12,
        "existing_z": 206.4574,
        "design_z": 205.436,
        "delta_z": -1.0213
      },
      {
        "ch": 140.0,
        "easting": 449920.0,
        "northing": 6510900.12,
        "existing_z": 207.7946,
        "design_z": 206.6702,
        "delta_z": -1.1244
      },
      {
        "ch": 140.08,
        "easting": 449920.08,
        "northing": 6510900.12,
        "existing_z": 207.8053,
        "design_z": 206.68,
        "delta_z": -1.1253
      },
      {
        "ch": 150.0,
        "easting": 449930.0,
        "northing": 6510900.12,
        "existing_z": 209.1318,
        "design_z": 207.8926,
        "delta_z": -1.2392
      },
      {
        "ch": 160.0,
        "easting": 449940.0,
        "northing": 6510900.12,
        "existing_z": 210.0188,
        "design_z": 209.1149,
        "delta_z": -0.9038
      },
      {
        "ch": 170.0,
        "easting": 449950.0,
        "northing": 6510900.12,
        "existing_z": 210.9057,
        "design_z": 210.3373,
        "delta_z": -0.5684
      },
      {
        "ch": 180.0,
        "easting": 449960.0,
        "northing": 6510900.12,
        "existing_z": 211.5664,
        "design_z": 211.5597,
        "delta_z": -0.0067
      },
      {
        "ch": 180.12,
        "easting": 449960.12,
        "northing": 6510900.12,
        "existing_z": 211.5743,
        "design_z": 211.5743,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD226",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 69.88,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.61,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449960.1200000001,
          6510900.12
        ],
        "end": [
          450030.0,
          6510900.12
        ],
        "chainage_start": 0,
        "length": 69.87999999988824
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449960.12,
        "northing": 6510900.12,
        "existing_z": 211.5743,
        "design_z": 211.5743,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449970.12,
        "northing": 6510900.12,
        "existing_z": 212.235,
        "design_z": 212.3349,
        "delta_z": 0.0999
      },
      {
        "ch": 20.0,
        "easting": 449980.12,
        "northing": 6510900.12,
        "existing_z": 212.896,
        "design_z": 213.0955,
        "delta_z": 0.1995
      },
      {
        "ch": 30.0,
        "easting": 449990.12,
        "northing": 6510900.12,
        "existing_z": 213.5581,
        "design_z": 213.8561,
        "delta_z": 0.298
      },
      {
        "ch": 40.0,
        "easting": 450000.12,
        "northing": 6510900.12,
        "existing_z": 214.3112,
        "design_z": 214.6167,
        "delta_z": 0.3055
      },
      {
        "ch": 50.0,
        "easting": 450010.12,
        "northing": 6510900.12,
        "existing_z": 215.0664,
        "design_z": 215.3773,
        "delta_z": 0.3109
      },
      {
        "ch": 60.0,
        "easting": 450020.12,
        "northing": 6510900.12,
        "existing_z": 215.9834,
        "design_z": 216.1379,
        "delta_z": 0.1545
      },
      {
        "ch": 69.88,
        "easting": 450030.0,
        "northing": 6510900.12,
        "existing_z": 216.8893,
        "design_z": 216.8893,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD227",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 60.562,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.12,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450890.62106785324,
          6510913.423985882
        ],
        "end": [
          450949.12,
          6510897.75
        ],
        "chainage_start": 0,
        "length": 60.56235543414517
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450890.6211,
        "northing": 6510913.424,
        "existing_z": 170.3934,
        "design_z": 170.3934,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450900.2804,
        "northing": 6510910.8359,
        "existing_z": 170.3638,
        "design_z": 170.3809,
        "delta_z": 0.0171
      },
      {
        "ch": 20.0,
        "easting": 450909.9396,
        "northing": 6510908.2478,
        "existing_z": 170.3363,
        "design_z": 170.3684,
        "delta_z": 0.0322
      },
      {
        "ch": 30.0,
        "easting": 450919.5989,
        "northing": 6510905.6598,
        "existing_z": 170.3163,
        "design_z": 170.356,
        "delta_z": 0.0396
      },
      {
        "ch": 40.0,
        "easting": 450929.2582,
        "northing": 6510903.0717,
        "existing_z": 170.2886,
        "design_z": 170.3435,
        "delta_z": 0.0549
      },
      {
        "ch": 50.0,
        "easting": 450938.9175,
        "northing": 6510900.4836,
        "existing_z": 170.2963,
        "design_z": 170.331,
        "delta_z": 0.0347
      },
      {
        "ch": 60.0,
        "easting": 450948.5768,
        "northing": 6510897.8955,
        "existing_z": 170.3165,
        "design_z": 170.3186,
        "delta_z": 0.0021
      },
      {
        "ch": 60.5624,
        "easting": 450949.12,
        "northing": 6510897.75,
        "existing_z": 170.3179,
        "design_z": 170.3179,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD228",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 478.407,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.9,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452170.0,
          6511086.57
        ],
        "end": [
          452508.2850000001,
          6510748.285
        ],
        "chainage_start": 0,
        "length": 478.407234947552
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 79.73453915792534,
        "pvi_z": 230.8450816009015,
        "bvc": 59.73453915792534,
        "evc": 99.73453915792534,
        "length": 40.0,
        "g1": 0.04168959651672048,
        "g2": -0.004408883184943423,
        "z_bvc": 230.0112896705671,
        "K_m_per_percent": 8.677075742815923
      },
      {
        "pvi_ch": 159.46907831585068,
        "pvi_z": 230.4935413319489,
        "bvc": 138.02605059752423,
        "evc": 180.91210603417713,
        "length": 42.8860554366529,
        "g1": -0.004408883184943423,
        "g2": -0.0758856422460316,
        "z_bvc": 230.5880811362905,
        "K_m_per_percent": 5.999999999999999
      },
      {
        "pvi_ch": 239.20361747377603,
        "pvi_z": 224.44283461875838,
        "bvc": 219.20361747377603,
        "evc": 259.20361747377603,
        "length": 40.0,
        "g1": -0.0758856422460316,
        "g2": -0.1190455962209013,
        "z_bvc": 225.960547463679,
        "K_m_per_percent": 9.267850476228586
      },
      {
        "pvi_ch": 318.93815663170136,
        "pvi_z": 214.95078886530436,
        "bvc": 298.93815663170136,
        "evc": 338.93815663170136,
        "length": 40.0,
        "g1": -0.1190455962209013,
        "g2": -0.07891351932536572,
        "z_bvc": 217.3317007897224,
        "K_m_per_percent": 9.96708944421706
      },
      {
        "pvi_ch": 398.6726957896267,
        "pvi_z": 208.6586557685663,
        "bvc": 378.6726957896267,
        "evc": 418.6726957896267,
        "length": 40.0,
        "g1": -0.07891351932536572,
        "g2": -0.030537210020779918,
        "z_bvc": 210.2369261550736,
        "K_m_per_percent": 8.268510056886093
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452170.0,
        "northing": 6511086.57,
        "existing_z": 227.521,
        "design_z": 227.521,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452177.0711,
        "northing": 6511079.4989,
        "existing_z": 228.1329,
        "design_z": 227.9379,
        "delta_z": -0.195
      },
      {
        "ch": 20.0,
        "easting": 452184.1421,
        "northing": 6511072.4279,
        "existing_z": 228.7141,
        "design_z": 228.3548,
        "delta_z": -0.3593
      },
      {
        "ch": 30.0,
        "easting": 452191.2132,
        "northing": 6511065.3568,
        "existing_z": 229.2426,
        "design_z": 228.7717,
        "delta_z": -0.4709
      },
      {
        "ch": 40.0,
        "easting": 452198.2843,
        "northing": 6511058.2857,
        "existing_z": 229.7512,
        "design_z": 229.1886,
        "delta_z": -0.5626
      },
      {
        "ch": 50.0,
        "easting": 452205.3553,
        "northing": 6511051.2147,
        "existing_z": 230.241,
        "design_z": 229.6055,
        "delta_z": -0.6355
      },
      {
        "ch": 59.7345,
        "easting": 452212.2387,
        "northing": 6511044.3313,
        "existing_z": 230.6926,
        "design_z": 230.0113,
        "delta_z": -0.6813
      },
      {
        "ch": 60.0,
        "easting": 452212.4264,
        "northing": 6511044.1436,
        "existing_z": 230.704,
        "design_z": 230.0223,
        "delta_z": -0.6817
      },
      {
        "ch": 70.0,
        "easting": 452219.4975,
        "northing": 6511037.0725,
        "existing_z": 231.1249,
        "design_z": 230.3785,
        "delta_z": -0.7464
      },
      {
        "ch": 79.7345,
        "easting": 452226.3808,
        "northing": 6511030.1892,
        "existing_z": 231.5159,
        "design_z": 230.6146,
        "delta_z": -0.9013
      },
      {
        "ch": 80.0,
        "easting": 452226.5685,
        "northing": 6511030.0015,
        "existing_z": 231.5263,
        "design_z": 230.6195,
        "delta_z": -0.9068
      },
      {
        "ch": 90.0,
        "easting": 452233.6396,
        "northing": 6511022.9304,
        "existing_z": 231.8191,
        "design_z": 230.7452,
        "delta_z": -1.0739
      },
      {
        "ch": 99.7345,
        "easting": 452240.523,
        "northing": 6511016.047,
        "existing_z": 231.9603,
        "design_z": 230.7569,
        "delta_z": -1.2034
      },
      {
        "ch": 100.0,
        "easting": 452240.7107,
        "northing": 6511015.8593,
        "existing_z": 231.9632,
        "design_z": 230.7557,
        "delta_z": -1.2075
      },
      {
        "ch": 110.0,
        "easting": 452247.7817,
        "northing": 6511008.7883,
        "existing_z": 232.0488,
        "design_z": 230.7116,
        "delta_z": -1.3372
      },
      {
        "ch": 120.0,
        "easting": 452254.8528,
        "northing": 6511001.7172,
        "existing_z": 232.0865,
        "design_z": 230.6676,
        "delta_z": -1.419
      },
      {
        "ch": 130.0,
        "easting": 452261.9239,
        "northing": 6510994.6461,
        "existing_z": 232.0632,
        "design_z": 230.6235,
        "delta_z": -1.4397
      },
      {
        "ch": 138.0261,
        "easting": 452267.5992,
        "northing": 6510988.9708,
        "existing_z": 232.0159,
        "design_z": 230.5881,
        "delta_z": -1.4278
      },
      {
        "ch": 140.0,
        "easting": 452268.9949,
        "northing": 6510987.5751,
        "existing_z": 232.0033,
        "design_z": 230.5761,
        "delta_z": -1.4272
      },
      {
        "ch": 150.0,
        "easting": 452276.066,
        "northing": 6510980.504,
        "existing_z": 231.8546,
        "design_z": 230.4158,
        "delta_z": -1.4388
      },
      {
        "ch": 159.4691,
        "easting": 452282.7617,
        "northing": 6510973.8083,
        "existing_z": 231.6172,
        "design_z": 230.1104,
        "delta_z": -1.5068
      },
      {
        "ch": 160.0,
        "easting": 452283.1371,
        "northing": 6510973.4329,
        "existing_z": 231.6012,
        "design_z": 230.0888,
        "delta_z": -1.5124
      },
      {
        "ch": 170.0,
        "easting": 452290.2082,
        "northing": 6510966.3618,
        "existing_z": 231.1888,
        "design_z": 229.5952,
        "delta_z": -1.5936
      },
      {
        "ch": 180.0,
        "easting": 452297.2792,
        "northing": 6510959.2908,
        "existing_z": 230.5138,
        "design_z": 228.9348,
        "delta_z": -1.5789
      },
      {
        "ch": 180.9121,
        "easting": 452297.9242,
        "northing": 6510958.6458,
        "existing_z": 230.4489,
        "design_z": 228.8663,
        "delta_z": -1.5826
      },
      {
        "ch": 190.0,
        "easting": 452304.3503,
        "northing": 6510952.2197,
        "existing_z": 229.7734,
        "design_z": 228.1767,
        "delta_z": -1.5967
      },
      {
        "ch": 200.0,
        "easting": 452311.4214,
        "northing": 6510945.1486,
        "existing_z": 228.9736,
        "design_z": 227.4178,
        "delta_z": -1.5558
      },
      {
        "ch": 210.0,
        "easting": 452318.4924,
        "northing": 6510938.0776,
        "existing_z": 228.1004,
        "design_z": 226.659,
        "delta_z": -1.4414
      },
      {
        "ch": 219.2036,
        "easting": 452325.0004,
        "northing": 6510931.5696,
        "existing_z": 227.272,
        "design_z": 225.9605,
        "delta_z": -1.3114
      },
      {
        "ch": 220.0,
        "easting": 452325.5635,
        "northing": 6510931.0065,
        "existing_z": 227.1992,
        "design_z": 225.8998,
        "delta_z": -1.2994
      },
      {
        "ch": 230.0,
        "easting": 452332.6346,
        "northing": 6510923.9354,
        "existing_z": 226.244,
        "design_z": 225.0784,
        "delta_z": -1.1656
      },
      {
        "ch": 239.2036,
        "easting": 452339.1425,
        "northing": 6510917.4275,
        "existing_z": 225.265,
        "design_z": 224.227,
        "delta_z": -1.0379
      },
      {
        "ch": 240.0,
        "easting": 452339.7056,
        "northing": 6510916.8644,
        "existing_z": 225.1775,
        "design_z": 224.1491,
        "delta_z": -1.0284
      },
      {
        "ch": 250.0,
        "easting": 452346.7767,
        "northing": 6510909.7933,
        "existing_z": 224.0379,
        "design_z": 223.1119,
        "delta_z": -0.9261
      },
      {
        "ch": 259.2036,
        "easting": 452353.2846,
        "northing": 6510903.2854,
        "existing_z": 222.8433,
        "design_z": 222.0619,
        "delta_z": -0.7813
      },
      {
        "ch": 260.0,
        "easting": 452353.8478,
        "northing": 6510902.7222,
        "existing_z": 222.7356,
        "design_z": 221.9671,
        "delta_z": -0.7685
      },
      {
        "ch": 270.0,
        "easting": 452360.9188,
        "northing": 6510895.6512,
        "existing_z": 221.3452,
        "design_z": 220.7767,
        "delta_z": -0.5685
      },
      {
        "ch": 280.0,
        "easting": 452367.9899,
        "northing": 6510888.5801,
        "existing_z": 219.874,
        "design_z": 219.5862,
        "delta_z": -0.2878
      },
      {
        "ch": 290.0,
        "easting": 452375.061,
        "northing": 6510881.509,
        "existing_z": 218.3788,
        "design_z": 218.3957,
        "delta_z": 0.017
      },
      {
        "ch": 298.9382,
        "easting": 452381.3812,
        "northing": 6510875.1888,
        "existing_z": 217.0244,
        "design_z": 217.3317,
        "delta_z": 0.3073
      },
      {
        "ch": 300.0,
        "easting": 452382.132,
        "northing": 6510874.438,
        "existing_z": 216.8607,
        "design_z": 217.2059,
        "delta_z": 0.3452
      },
      {
        "ch": 310.0,
        "easting": 452389.2031,
        "northing": 6510867.3669,
        "existing_z": 215.3092,
        "design_z": 216.0762,
        "delta_z": 0.767
      },
      {
        "ch": 318.9382,
        "easting": 452395.5233,
        "northing": 6510861.0467,
        "existing_z": 214.119,
        "design_z": 215.1514,
        "delta_z": 1.0325
      },
      {
        "ch": 320.0,
        "easting": 452396.2742,
        "northing": 6510860.2958,
        "existing_z": 213.9799,
        "design_z": 215.0469,
        "delta_z": 1.067
      },
      {
        "ch": 330.0,
        "easting": 452403.3452,
        "northing": 6510853.2248,
        "existing_z": 212.6601,
        "design_z": 214.1179,
        "delta_z": 1.4579
      },
      {
        "ch": 338.9382,
        "easting": 452409.6655,
        "northing": 6510846.9045,
        "existing_z": 211.5002,
        "design_z": 213.3725,
        "delta_z": 1.8723
      },
      {
        "ch": 340.0,
        "easting": 452410.4163,
        "northing": 6510846.1537,
        "existing_z": 211.3923,
        "design_z": 213.2887,
        "delta_z": 1.8964
      },
      {
        "ch": 350.0,
        "easting": 452417.4874,
        "northing": 6510839.0826,
        "existing_z": 210.5593,
        "design_z": 212.4996,
        "delta_z": 1.9403
      },
      {
        "ch": 360.0,
        "easting": 452424.5584,
        "northing": 6510832.0116,
        "existing_z": 209.6867,
        "design_z": 211.7105,
        "delta_z": 2.0238
      },
      {
        "ch": 370.0,
        "easting": 452431.6295,
        "northing": 6510824.9405,
        "existing_z": 208.9576,
        "design_z": 210.9213,
        "delta_z": 1.9637
      },
      {
        "ch": 378.6727,
        "easting": 452437.762,
        "northing": 6510818.808,
        "existing_z": 208.6318,
        "design_z": 210.2369,
        "delta_z": 1.6051
      },
      {
        "ch": 380.0,
        "easting": 452438.7006,
        "northing": 6510817.8694,
        "existing_z": 208.5777,
        "design_z": 210.1332,
        "delta_z": 1.5556
      },
      {
        "ch": 390.0,
        "easting": 452445.7716,
        "northing": 6510810.7984,
        "existing_z": 208.133,
        "design_z": 209.4206,
        "delta_z": 1.2876
      },
      {
        "ch": 398.6727,
        "easting": 452451.9042,
        "northing": 6510804.6658,
        "existing_z": 207.8495,
        "design_z": 208.9005,
        "delta_z": 1.0511
      },
      {
        "ch": 400.0,
        "easting": 452452.8427,
        "northing": 6510803.7273,
        "existing_z": 207.8369,
        "design_z": 208.829,
        "delta_z": 0.9921
      },
      {
        "ch": 410.0,
        "easting": 452459.9138,
        "northing": 6510796.6562,
        "existing_z": 207.7186,
        "design_z": 208.3582,
        "delta_z": 0.6396
      },
      {
        "ch": 418.6727,
        "easting": 452466.0463,
        "northing": 6510790.5237,
        "existing_z": 207.5822,
        "design_z": 208.0479,
        "delta_z": 0.4657
      },
      {
        "ch": 420.0,
        "easting": 452466.9848,
        "northing": 6510789.5852,
        "existing_z": 207.5568,
        "design_z": 208.0074,
        "delta_z": 0.4505
      },
      {
        "ch": 430.0,
        "easting": 452474.0559,
        "northing": 6510782.5141,
        "existing_z": 207.3857,
        "design_z": 207.702,
        "delta_z": 0.3163
      },
      {
        "ch": 440.0,
        "easting": 452481.127,
        "northing": 6510775.443,
        "existing_z": 207.2569,
        "design_z": 207.3966,
        "delta_z": 0.1398
      },
      {
        "ch": 450.0,
        "easting": 452488.1981,
        "northing": 6510768.3719,
        "existing_z": 207.1246,
        "design_z": 207.0913,
        "delta_z": -0.0334
      },
      {
        "ch": 460.0,
        "easting": 452495.2691,
        "northing": 6510761.3009,
        "existing_z": 206.8079,
        "design_z": 206.7859,
        "delta_z": -0.022
      },
      {
        "ch": 470.0,
        "easting": 452502.3402,
        "northing": 6510754.2298,
        "existing_z": 206.4727,
        "design_z": 206.4805,
        "delta_z": 0.0079
      },
      {
        "ch": 478.4072,
        "easting": 452508.285,
        "northing": 6510748.285,
        "existing_z": 206.2238,
        "design_z": 206.2238,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD229",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 183.574,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 18.34,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451136.79,
          6510950.99
        ],
        "end": [
          451314.11,
          6510903.48
        ],
        "chainage_start": 0,
        "length": 183.57446036957657
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 61.19148678985886,
        "pvi_z": 199.9500479989565,
        "bvc": 41.19148678985886,
        "evc": 81.19148678985886,
        "length": 40.0,
        "g1": 0.18336817192853586,
        "g2": 0.12190355125113292,
        "z_bvc": 196.2826845603858,
        "K_m_per_percent": 6.507808810850717
      },
      {
        "pvi_ch": 122.38297357971771,
        "pvi_z": 207.4095075449771,
        "bvc": 102.38297357971771,
        "evc": 142.3829735797177,
        "length": 40.0,
        "g1": 0.12190355125113292,
        "g2": 0.05631812965574124,
        "z_bvc": 204.97143651995444,
        "K_m_per_percent": 6.098916348631137
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451136.79,
        "northing": 6510950.99,
        "existing_z": 188.7295,
        "design_z": 188.7295,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451146.4493,
        "northing": 6510948.4019,
        "existing_z": 190.5747,
        "design_z": 190.5632,
        "delta_z": -0.0116
      },
      {
        "ch": 20.0,
        "easting": 451156.1086,
        "northing": 6510945.8139,
        "existing_z": 192.5065,
        "design_z": 192.3968,
        "delta_z": -0.1096
      },
      {
        "ch": 30.0,
        "easting": 451165.7679,
        "northing": 6510943.2258,
        "existing_z": 194.503,
        "design_z": 194.2305,
        "delta_z": -0.2725
      },
      {
        "ch": 40.0,
        "easting": 451175.4272,
        "northing": 6510940.6378,
        "existing_z": 196.5027,
        "design_z": 196.0642,
        "delta_z": -0.4385
      },
      {
        "ch": 41.1915,
        "easting": 451176.5781,
        "northing": 6510940.3294,
        "existing_z": 196.741,
        "design_z": 196.2827,
        "delta_z": -0.4583
      },
      {
        "ch": 50.0,
        "easting": 451185.0865,
        "northing": 6510938.0497,
        "existing_z": 198.5193,
        "design_z": 197.8383,
        "delta_z": -0.681
      },
      {
        "ch": 60.0,
        "easting": 451194.7458,
        "northing": 6510935.4617,
        "existing_z": 200.4525,
        "design_z": 199.4598,
        "delta_z": -0.9927
      },
      {
        "ch": 61.1915,
        "easting": 451195.8967,
        "northing": 6510935.1533,
        "existing_z": 200.6696,
        "design_z": 199.6427,
        "delta_z": -1.0269
      },
      {
        "ch": 70.0,
        "easting": 451204.4051,
        "northing": 6510932.8736,
        "existing_z": 202.2833,
        "design_z": 200.9276,
        "delta_z": -1.3557
      },
      {
        "ch": 80.0,
        "easting": 451214.0644,
        "northing": 6510930.2856,
        "existing_z": 203.9348,
        "design_z": 202.2418,
        "delta_z": -1.6931
      },
      {
        "ch": 81.1915,
        "easting": 451215.2153,
        "northing": 6510929.9772,
        "existing_z": 204.0986,
        "design_z": 202.3881,
        "delta_z": -1.7105
      },
      {
        "ch": 90.0,
        "easting": 451223.7237,
        "northing": 6510927.6975,
        "existing_z": 205.2448,
        "design_z": 203.4619,
        "delta_z": -1.7829
      },
      {
        "ch": 100.0,
        "easting": 451233.383,
        "northing": 6510925.1095,
        "existing_z": 206.4023,
        "design_z": 204.6809,
        "delta_z": -1.7214
      },
      {
        "ch": 102.383,
        "easting": 451235.6847,
        "northing": 6510924.4928,
        "existing_z": 206.62,
        "design_z": 204.9714,
        "delta_z": -1.6485
      },
      {
        "ch": 110.0,
        "easting": 451243.0423,
        "northing": 6510922.5214,
        "existing_z": 207.3054,
        "design_z": 205.8524,
        "delta_z": -1.4529
      },
      {
        "ch": 120.0,
        "easting": 451252.7015,
        "northing": 6510919.9334,
        "existing_z": 208.1292,
        "design_z": 206.8646,
        "delta_z": -1.2647
      },
      {
        "ch": 122.383,
        "easting": 451255.0033,
        "northing": 6510919.3167,
        "existing_z": 208.2897,
        "design_z": 207.0816,
        "delta_z": -1.2081
      },
      {
        "ch": 130.0,
        "easting": 451262.3608,
        "northing": 6510917.3453,
        "existing_z": 208.7923,
        "design_z": 207.7128,
        "delta_z": -1.0795
      },
      {
        "ch": 140.0,
        "easting": 451272.0201,
        "northing": 6510914.7573,
        "existing_z": 209.4164,
        "design_z": 208.397,
        "delta_z": -1.0194
      },
      {
        "ch": 142.383,
        "easting": 451274.3219,
        "northing": 6510914.1406,
        "existing_z": 209.5507,
        "design_z": 208.5359,
        "delta_z": -1.0149
      },
      {
        "ch": 150.0,
        "easting": 451281.6794,
        "northing": 6510912.1692,
        "existing_z": 209.9704,
        "design_z": 208.9648,
        "delta_z": -1.0055
      },
      {
        "ch": 160.0,
        "easting": 451291.3387,
        "northing": 6510909.5812,
        "existing_z": 210.4664,
        "design_z": 209.528,
        "delta_z": -0.9384
      },
      {
        "ch": 170.0,
        "easting": 451300.998,
        "northing": 6510906.9931,
        "existing_z": 210.7305,
        "design_z": 210.0912,
        "delta_z": -0.6393
      },
      {
        "ch": 180.0,
        "easting": 451310.6573,
        "northing": 6510904.4051,
        "existing_z": 210.915,
        "design_z": 210.6544,
        "delta_z": -0.2606
      },
      {
        "ch": 183.5745,
        "easting": 451314.11,
        "northing": 6510903.48,
        "existing_z": 210.8557,
        "design_z": 210.8557,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD230",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 160.0,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 8.56,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449750.0,
          6510850.0
        ],
        "end": [
          449750.0,
          6511010.0
        ],
        "chainage_start": 0,
        "length": 160.0
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 80.0,
        "pvi_z": 188.98564206514385,
        "bvc": 60.0,
        "evc": 100.0,
        "length": 40.0,
        "g1": -0.06237181885122922,
        "g2": -0.0856462551844153,
        "z_bvc": 190.23307844216845,
        "K_m_per_percent": 17.186237908140274
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449750.0,
        "northing": 6510850.0,
        "existing_z": 193.9754,
        "design_z": 193.9754,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449750.0,
        "northing": 6510860.0,
        "existing_z": 193.6579,
        "design_z": 193.3517,
        "delta_z": -0.3062
      },
      {
        "ch": 20.0,
        "easting": 449750.0,
        "northing": 6510870.0,
        "existing_z": 193.3403,
        "design_z": 192.728,
        "delta_z": -0.6124
      },
      {
        "ch": 30.0,
        "easting": 449750.0,
        "northing": 6510880.0,
        "existing_z": 192.8216,
        "design_z": 192.1042,
        "delta_z": -0.7173
      },
      {
        "ch": 40.0,
        "easting": 449750.0,
        "northing": 6510890.0,
        "existing_z": 192.3028,
        "design_z": 191.4805,
        "delta_z": -0.8223
      },
      {
        "ch": 50.0,
        "easting": 449750.0,
        "northing": 6510900.0,
        "existing_z": 191.6444,
        "design_z": 190.8568,
        "delta_z": -0.7876
      },
      {
        "ch": 60.0,
        "easting": 449750.0,
        "northing": 6510910.0,
        "existing_z": 190.986,
        "design_z": 190.2331,
        "delta_z": -0.7529
      },
      {
        "ch": 70.0,
        "easting": 449750.0,
        "northing": 6510920.0,
        "existing_z": 190.2216,
        "design_z": 189.5803,
        "delta_z": -0.6413
      },
      {
        "ch": 80.0,
        "easting": 449750.0,
        "northing": 6510930.0,
        "existing_z": 189.4571,
        "design_z": 188.8693,
        "delta_z": -0.5879
      },
      {
        "ch": 90.0,
        "easting": 449750.0,
        "northing": 6510940.0,
        "existing_z": 188.5613,
        "design_z": 188.1001,
        "delta_z": -0.4613
      },
      {
        "ch": 100.0,
        "easting": 449750.0,
        "northing": 6510950.0,
        "existing_z": 187.6656,
        "design_z": 187.2727,
        "delta_z": -0.3928
      },
      {
        "ch": 110.0,
        "easting": 449750.0,
        "northing": 6510960.0,
        "existing_z": 186.68,
        "design_z": 186.4163,
        "delta_z": -0.2638
      },
      {
        "ch": 120.0,
        "easting": 449750.0,
        "northing": 6510970.0,
        "existing_z": 185.6945,
        "design_z": 185.5598,
        "delta_z": -0.1347
      },
      {
        "ch": 130.0,
        "easting": 449750.0,
        "northing": 6510980.0,
        "existing_z": 184.7531,
        "design_z": 184.7033,
        "delta_z": -0.0498
      },
      {
        "ch": 140.0,
        "easting": 449750.0,
        "northing": 6510990.0,
        "existing_z": 183.8118,
        "design_z": 183.8469,
        "delta_z": 0.0351
      },
      {
        "ch": 150.0,
        "easting": 449750.0,
        "northing": 6511000.0,
        "existing_z": 182.9729,
        "design_z": 182.9904,
        "delta_z": 0.0175
      },
      {
        "ch": 160.0,
        "easting": 449750.0,
        "northing": 6511010.0,
        "existing_z": 182.1339,
        "design_z": 182.1339,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD231",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 116.355,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.67,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451786.33,
          6510991.3
        ],
        "end": [
          451788.4586,
          6510978.9459999995
        ],
        "chainage_start": 0,
        "length": 12.53603820858009
      },
      {
        "type": "ARC",
        "centre": [
          451771.19120330556,
          6510975.9708194425
        ],
        "radius": 17.521834605786143,
        "start_angle_rad": 0.1706251572225462,
        "sweep_rad": -0.9560233206328769,
        "start": [
          451788.4586,
          6510978.9459999995
        ],
        "end": [
          451783.58101137413,
          6510963.5810113745
        ],
        "chainage_start": 12.53603820858009,
        "length": 16.751282503403722,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451783.58101137396,
          6510963.581011374
        ],
        "end": [
          451734.0912662422,
          6510914.091266242
        ],
        "chainage_start": 29.28732071198381,
        "length": 69.98906876367036
      },
      {
        "type": "ARC",
        "centre": [
          451738.18253248435,
          6510910.0
        ],
        "radius": 5.7859242069596535,
        "start_angle_rad": 2.3561944902279133,
        "sweep_rad": 1.5707963267978844,
        "start": [
          451734.0912662422,
          6510914.091266242
        ],
        "end": [
          451734.0912662422,
          6510905.908733758
        ],
        "chainage_start": 99.27638947565417,
        "length": 9.088508491423186,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451734.0912662423,
          6510905.908733757
        ],
        "end": [
          451739.74111010047,
          6510900.2588899
        ],
        "chainage_start": 108.36489796707735,
        "length": 7.990085809112104
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 58.17749188809473,
        "pvi_z": 177.71332749323835,
        "bvc": 38.17749188809473,
        "evc": 78.17749188809472,
        "length": 40.0,
        "g1": -0.056726002238630335,
        "g2": -0.051269861159574964,
        "z_bvc": 178.84784753801097,
        "K_m_per_percent": 73.31188732188218
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451786.33,
        "northing": 6510991.3,
        "existing_z": 181.0135,
        "design_z": 181.0135,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451788.028,
        "northing": 6510981.4452,
        "existing_z": 181.0501,
        "design_z": 180.4462,
        "delta_z": -0.6039
      },
      {
        "ch": 20.0,
        "easting": 451788.1449,
        "northing": 6510971.545,
        "existing_z": 180.9113,
        "design_z": 179.879,
        "delta_z": -1.0323
      },
      {
        "ch": 30.0,
        "easting": 451783.0771,
        "northing": 6510963.0771,
        "existing_z": 180.2113,
        "design_z": 179.3117,
        "delta_z": -0.8996
      },
      {
        "ch": 38.1775,
        "easting": 451777.2947,
        "northing": 6510957.2947,
        "existing_z": 179.4628,
        "design_z": 178.8478,
        "delta_z": -0.615
      },
      {
        "ch": 40.0,
        "easting": 451776.006,
        "northing": 6510956.006,
        "existing_z": 179.2963,
        "design_z": 178.7447,
        "delta_z": -0.5516
      },
      {
        "ch": 50.0,
        "easting": 451768.9349,
        "northing": 6510948.9349,
        "existing_z": 178.3833,
        "design_z": 178.1867,
        "delta_z": -0.1966
      },
      {
        "ch": 58.1775,
        "easting": 451763.1526,
        "northing": 6510943.1526,
        "existing_z": 177.6329,
        "design_z": 177.7406,
        "delta_z": 0.1077
      },
      {
        "ch": 60.0,
        "easting": 451761.8639,
        "northing": 6510941.8639,
        "existing_z": 177.4661,
        "design_z": 177.6424,
        "delta_z": 0.1763
      },
      {
        "ch": 70.0,
        "easting": 451754.7928,
        "northing": 6510934.7928,
        "existing_z": 176.5538,
        "design_z": 177.1117,
        "delta_z": 0.558
      },
      {
        "ch": 78.1775,
        "easting": 451749.0104,
        "northing": 6510929.0104,
        "existing_z": 175.8523,
        "design_z": 176.6879,
        "delta_z": 0.8357
      },
      {
        "ch": 80.0,
        "easting": 451747.7217,
        "northing": 6510927.7217,
        "existing_z": 175.7386,
        "design_z": 176.5945,
        "delta_z": 0.8559
      },
      {
        "ch": 90.0,
        "easting": 451740.6507,
        "northing": 6510920.6507,
        "existing_z": 175.0757,
        "design_z": 176.0818,
        "delta_z": 1.006
      },
      {
        "ch": 100.0,
        "easting": 451733.6129,
        "northing": 6510913.549,
        "existing_z": 174.3496,
        "design_z": 175.5691,
        "delta_z": 1.2195
      },
      {
        "ch": 110.0,
        "easting": 451735.2475,
        "northing": 6510904.7525,
        "existing_z": 174.3594,
        "design_z": 175.0564,
        "delta_z": 0.697
      },
      {
        "ch": 116.355,
        "easting": 451739.7411,
        "northing": 6510900.2589,
        "existing_z": 174.7306,
        "design_z": 174.7306,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD232",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 355.995,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 13.4,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451395.87624646304,
          6510992.396531169
        ],
        "end": [
          451739.74111010047,
          6510900.2588899
        ],
        "chainage_start": 0,
        "length": 355.99492887277614
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 71.19898577455523,
        "pvi_z": 202.71536477245127,
        "bvc": 51.198985774555226,
        "evc": 91.19898577455523,
        "length": 40.0,
        "g1": -0.07383105710831503,
        "g2": -0.10750283647206173,
        "z_bvc": 204.19198591461756,
        "K_m_per_percent": 11.879384088346306
      },
      {
        "pvi_ch": 142.39797154911045,
        "pvi_z": 195.0612718477526,
        "bvc": 122.39797154911045,
        "evc": 162.39797154911045,
        "length": 40.0,
        "g1": -0.10750283647206173,
        "g2": -0.13404180246650493,
        "z_bvc": 197.21132857719385,
        "K_m_per_percent": 15.072177268841333
      },
      {
        "pvi_ch": 213.59695732366566,
        "pvi_z": 185.51763146074418,
        "bvc": 193.59695732366566,
        "evc": 233.59695732366566,
        "length": 40.0,
        "g1": -0.13404180246650493,
        "g2": -0.11201723694273581,
        "z_bvc": 188.1984675100743,
        "K_m_per_percent": 18.161538740381335
      },
      {
        "pvi_ch": 284.7959430982209,
        "pvi_z": 177.54211780115335,
        "bvc": 263.0373266076203,
        "evc": 306.5545595888215,
        "length": 43.51723298120118,
        "g1": -0.11201723694273581,
        "g2": -0.0394885153074005,
        "z_bvc": 179.97945790012707,
        "K_m_per_percent": 6.000000000000001
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451395.8762,
        "northing": 6510992.3965,
        "existing_z": 207.9721,
        "design_z": 207.9721,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451405.5355,
        "northing": 6510989.8084,
        "existing_z": 207.4747,
        "design_z": 207.2338,
        "delta_z": -0.2409
      },
      {
        "ch": 20.0,
        "easting": 451415.1948,
        "northing": 6510987.2202,
        "existing_z": 206.9341,
        "design_z": 206.4954,
        "delta_z": -0.4387
      },
      {
        "ch": 30.0,
        "easting": 451424.854,
        "northing": 6510984.632,
        "existing_z": 206.3266,
        "design_z": 205.7571,
        "delta_z": -0.5695
      },
      {
        "ch": 40.0,
        "easting": 451434.5133,
        "northing": 6510982.0438,
        "existing_z": 205.6643,
        "design_z": 205.0188,
        "delta_z": -0.6455
      },
      {
        "ch": 50.0,
        "easting": 451444.1726,
        "northing": 6510979.4557,
        "existing_z": 204.9543,
        "design_z": 204.2805,
        "delta_z": -0.6738
      },
      {
        "ch": 51.199,
        "easting": 451445.3307,
        "northing": 6510979.1453,
        "existing_z": 204.867,
        "design_z": 204.192,
        "delta_z": -0.675
      },
      {
        "ch": 60.0,
        "easting": 451453.8318,
        "northing": 6510976.8675,
        "existing_z": 204.1874,
        "design_z": 203.5096,
        "delta_z": -0.6778
      },
      {
        "ch": 70.0,
        "easting": 451463.4911,
        "northing": 6510974.2793,
        "existing_z": 203.3592,
        "design_z": 202.6551,
        "delta_z": -0.7041
      },
      {
        "ch": 71.199,
        "easting": 451464.6492,
        "northing": 6510973.969,
        "existing_z": 203.2585,
        "design_z": 202.547,
        "delta_z": -0.7115
      },
      {
        "ch": 80.0,
        "easting": 451473.1504,
        "northing": 6510971.6911,
        "existing_z": 202.4712,
        "design_z": 201.7164,
        "delta_z": -0.7547
      },
      {
        "ch": 90.0,
        "easting": 451482.8096,
        "northing": 6510969.103,
        "existing_z": 201.4954,
        "design_z": 200.6936,
        "delta_z": -0.8018
      },
      {
        "ch": 91.199,
        "easting": 451483.9677,
        "northing": 6510968.7927,
        "existing_z": 201.3788,
        "design_z": 200.5653,
        "delta_z": -0.8134
      },
      {
        "ch": 100.0,
        "easting": 451492.4689,
        "northing": 6510966.5148,
        "existing_z": 200.4858,
        "design_z": 199.6192,
        "delta_z": -0.8666
      },
      {
        "ch": 110.0,
        "easting": 451502.1281,
        "northing": 6510963.9266,
        "existing_z": 199.3788,
        "design_z": 198.5441,
        "delta_z": -0.8347
      },
      {
        "ch": 120.0,
        "easting": 451511.7874,
        "northing": 6510961.3385,
        "existing_z": 198.251,
        "design_z": 197.4691,
        "delta_z": -0.7819
      },
      {
        "ch": 122.398,
        "easting": 451514.1037,
        "northing": 6510960.7178,
        "existing_z": 197.9577,
        "design_z": 197.2113,
        "delta_z": -0.7464
      },
      {
        "ch": 130.0,
        "easting": 451521.4467,
        "northing": 6510958.7503,
        "existing_z": 197.0283,
        "design_z": 196.3749,
        "delta_z": -0.6534
      },
      {
        "ch": 140.0,
        "easting": 451531.1059,
        "northing": 6510956.1621,
        "existing_z": 195.7921,
        "design_z": 195.2163,
        "delta_z": -0.5758
      },
      {
        "ch": 142.398,
        "easting": 451533.4222,
        "northing": 6510955.5415,
        "existing_z": 195.4687,
        "design_z": 194.9286,
        "delta_z": -0.5401
      },
      {
        "ch": 150.0,
        "easting": 451540.7652,
        "northing": 6510953.5739,
        "existing_z": 194.4404,
        "design_z": 193.9913,
        "delta_z": -0.4491
      },
      {
        "ch": 160.0,
        "easting": 451550.4245,
        "northing": 6510950.9858,
        "existing_z": 193.0762,
        "design_z": 192.7,
        "delta_z": -0.3763
      },
      {
        "ch": 162.398,
        "easting": 451552.7407,
        "northing": 6510950.3651,
        "existing_z": 192.7272,
        "design_z": 192.3804,
        "delta_z": -0.3468
      },
      {
        "ch": 170.0,
        "easting": 451560.0837,
        "northing": 6510948.3976,
        "existing_z": 191.6087,
        "design_z": 191.3614,
        "delta_z": -0.2472
      },
      {
        "ch": 180.0,
        "easting": 451569.743,
        "northing": 6510945.8094,
        "existing_z": 190.1342,
        "design_z": 190.021,
        "delta_z": -0.1132
      },
      {
        "ch": 190.0,
        "easting": 451579.4022,
        "northing": 6510943.2212,
        "existing_z": 188.6497,
        "design_z": 188.6806,
        "delta_z": 0.0309
      },
      {
        "ch": 193.597,
        "easting": 451582.8766,
        "northing": 6510942.2903,
        "existing_z": 188.1179,
        "design_z": 188.1985,
        "delta_z": 0.0806
      },
      {
        "ch": 200.0,
        "easting": 451589.0615,
        "northing": 6510940.6331,
        "existing_z": 187.1742,
        "design_z": 187.3515,
        "delta_z": 0.1773
      },
      {
        "ch": 210.0,
        "easting": 451598.7208,
        "northing": 6510938.0449,
        "existing_z": 185.8082,
        "design_z": 186.0738,
        "delta_z": 0.2656
      },
      {
        "ch": 213.597,
        "easting": 451602.1952,
        "northing": 6510937.1139,
        "existing_z": 185.3216,
        "design_z": 185.6278,
        "delta_z": 0.3062
      },
      {
        "ch": 220.0,
        "easting": 451608.38,
        "northing": 6510935.4567,
        "existing_z": 184.4562,
        "design_z": 184.8513,
        "delta_z": 0.3951
      },
      {
        "ch": 230.0,
        "easting": 451618.0393,
        "northing": 6510932.8686,
        "existing_z": 183.1819,
        "design_z": 183.6838,
        "delta_z": 0.5019
      },
      {
        "ch": 233.597,
        "easting": 451621.5137,
        "northing": 6510931.9376,
        "existing_z": 182.727,
        "design_z": 183.2773,
        "delta_z": 0.5503
      },
      {
        "ch": 240.0,
        "easting": 451627.6986,
        "northing": 6510930.2804,
        "existing_z": 181.9142,
        "design_z": 182.56,
        "delta_z": 0.6458
      },
      {
        "ch": 250.0,
        "easting": 451637.3578,
        "northing": 6510927.6922,
        "existing_z": 180.6395,
        "design_z": 181.4399,
        "delta_z": 0.8004
      },
      {
        "ch": 260.0,
        "easting": 451647.0171,
        "northing": 6510925.104,
        "existing_z": 179.3461,
        "design_z": 180.3197,
        "delta_z": 0.9736
      },
      {
        "ch": 263.0373,
        "easting": 451649.9509,
        "northing": 6510924.3179,
        "existing_z": 178.9489,
        "design_z": 179.9795,
        "delta_z": 1.0306
      },
      {
        "ch": 270.0,
        "easting": 451656.6763,
        "northing": 6510922.5159,
        "existing_z": 178.0825,
        "design_z": 179.2399,
        "delta_z": 1.1574
      },
      {
        "ch": 280.0,
        "easting": 451666.3356,
        "northing": 6510919.9277,
        "existing_z": 176.8277,
        "design_z": 178.3191,
        "delta_z": 1.4914
      },
      {
        "ch": 284.7959,
        "easting": 451670.9681,
        "northing": 6510918.6864,
        "existing_z": 176.2449,
        "design_z": 177.9366,
        "delta_z": 1.6917
      },
      {
        "ch": 290.0,
        "easting": 451675.9949,
        "northing": 6510917.3395,
        "existing_z": 175.7083,
        "design_z": 177.565,
        "delta_z": 1.8567
      },
      {
        "ch": 300.0,
        "easting": 451685.6541,
        "northing": 6510914.7513,
        "existing_z": 174.6797,
        "design_z": 176.9775,
        "delta_z": 2.2978
      },
      {
        "ch": 306.5546,
        "easting": 451691.9854,
        "northing": 6510913.0549,
        "existing_z": 174.1086,
        "design_z": 176.6829,
        "delta_z": 2.5744
      },
      {
        "ch": 310.0,
        "easting": 451695.3134,
        "northing": 6510912.1632,
        "existing_z": 173.928,
        "design_z": 176.5468,
        "delta_z": 2.6189
      },
      {
        "ch": 320.0,
        "easting": 451704.9727,
        "northing": 6510909.575,
        "existing_z": 173.422,
        "design_z": 176.152,
        "delta_z": 2.73
      },
      {
        "ch": 330.0,
        "easting": 451714.6319,
        "northing": 6510906.9868,
        "existing_z": 173.2948,
        "design_z": 175.7571,
        "delta_z": 2.4623
      },
      {
        "ch": 340.0,
        "easting": 451724.2912,
        "northing": 6510904.3987,
        "existing_z": 173.5963,
        "design_z": 175.3622,
        "delta_z": 1.7659
      },
      {
        "ch": 350.0,
        "easting": 451733.9505,
        "northing": 6510901.8105,
        "existing_z": 174.1738,
        "design_z": 174.9673,
        "delta_z": 0.7935
      },
      {
        "ch": 355.9949,
        "easting": 451739.7411,
        "northing": 6510900.2589,
        "existing_z": 174.7306,
        "design_z": 174.7306,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD233",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 103.555,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.04,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449790.0,
          6511000.12
        ],
        "end": [
          449790.0,
          6510915.904166339
        ],
        "chainage_start": 0,
        "length": 84.21583366114646
      },
      {
        "type": "ARC",
        "centre": [
          449775.86687885714,
          6510915.904166339
        ],
        "radius": 14.133121142859428,
        "start_angle_rad": 0.0,
        "sweep_rad": -0.7914343073968203,
        "start": [
          449790.0,
          6510915.904166339
        ],
        "end": [
          449785.8,
          6510905.8504
        ],
        "chainage_start": 84.21583366114646,
        "length": 11.18543694305431,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449785.8,
          6510905.8504
        ],
        "end": [
          449780.0,
          6510900.12
        ],
        "chainage_start": 95.40127060420077,
        "length": 8.153372563375282
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 51.77732158378803,
        "pvi_z": 189.5354245942131,
        "bvc": 31.77732158378803,
        "evc": 71.77732158378802,
        "length": 40.0,
        "g1": 0.05041395329649706,
        "g2": 0.049143744454929576,
        "z_bvc": 188.52714552828317,
        "K_m_per_percent": 314.90884562446075
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449790.0,
        "northing": 6511000.12,
        "existing_z": 186.9251,
        "design_z": 186.9251,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449790.0,
        "northing": 6510990.12,
        "existing_z": 187.4529,
        "design_z": 187.4293,
        "delta_z": -0.0236
      },
      {
        "ch": 20.0,
        "easting": 449790.0,
        "northing": 6510980.12,
        "existing_z": 187.9659,
        "design_z": 187.9334,
        "delta_z": -0.0325
      },
      {
        "ch": 30.0,
        "easting": 449790.0,
        "northing": 6510970.12,
        "existing_z": 188.4788,
        "design_z": 188.4375,
        "delta_z": -0.0412
      },
      {
        "ch": 31.7773,
        "easting": 449790.0,
        "northing": 6510968.3427,
        "existing_z": 188.5657,
        "design_z": 188.5271,
        "delta_z": -0.0386
      },
      {
        "ch": 40.0,
        "easting": 449790.0,
        "northing": 6510960.12,
        "existing_z": 188.9666,
        "design_z": 188.9406,
        "delta_z": -0.026
      },
      {
        "ch": 50.0,
        "easting": 449790.0,
        "northing": 6510950.12,
        "existing_z": 189.4541,
        "design_z": 189.4406,
        "delta_z": -0.0136
      },
      {
        "ch": 51.7773,
        "easting": 449790.0,
        "northing": 6510948.3427,
        "existing_z": 189.5521,
        "design_z": 189.5291,
        "delta_z": -0.023
      },
      {
        "ch": 60.0,
        "easting": 449790.0,
        "northing": 6510940.12,
        "existing_z": 190.009,
        "design_z": 189.9373,
        "delta_z": -0.0717
      },
      {
        "ch": 70.0,
        "easting": 449790.0,
        "northing": 6510930.12,
        "existing_z": 190.5648,
        "design_z": 190.4309,
        "delta_z": -0.1339
      },
      {
        "ch": 71.7773,
        "easting": 449790.0,
        "northing": 6510928.3427,
        "existing_z": 190.6669,
        "design_z": 190.5183,
        "delta_z": -0.1486
      },
      {
        "ch": 80.0,
        "easting": 449790.0,
        "northing": 6510920.12,
        "existing_z": 191.1403,
        "design_z": 190.9224,
        "delta_z": -0.2179
      },
      {
        "ch": 90.0,
        "easting": 449788.8328,
        "northing": 6510910.2801,
        "existing_z": 191.6791,
        "design_z": 191.4138,
        "delta_z": -0.2653
      },
      {
        "ch": 100.0,
        "easting": 449782.5286,
        "northing": 6510902.6183,
        "existing_z": 191.9855,
        "design_z": 191.9053,
        "delta_z": -0.0802
      },
      {
        "ch": 103.5546,
        "easting": 449780.0,
        "northing": 6510900.12,
        "existing_z": 192.08,
        "design_z": 192.08,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD234",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 141.421,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 9.9,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450060.1200000001,
          6511000.12
        ],
        "end": [
          449960.1200000001,
          6510900.12
        ],
        "chainage_start": 0,
        "length": 141.4213562373095
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.71067811865476,
        "pvi_z": 218.19244565739487,
        "bvc": 50.710678118654755,
        "evc": 90.71067811865476,
        "length": 40.0,
        "g1": -0.09895392331831623,
        "g2": -0.09359435196995308,
        "z_bvc": 220.1715241237612,
        "K_m_per_percent": 74.6328342325665
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450060.12,
        "northing": 6511000.12,
        "existing_z": 225.1895,
        "design_z": 225.1895,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450053.0489,
        "northing": 6510993.0489,
        "existing_z": 224.3792,
        "design_z": 224.2,
        "delta_z": -0.1792
      },
      {
        "ch": 20.0,
        "easting": 450045.9779,
        "northing": 6510985.9779,
        "existing_z": 223.472,
        "design_z": 223.2105,
        "delta_z": -0.2615
      },
      {
        "ch": 30.0,
        "easting": 450038.9068,
        "northing": 6510978.9068,
        "existing_z": 222.5065,
        "design_z": 222.2209,
        "delta_z": -0.2856
      },
      {
        "ch": 40.0,
        "easting": 450031.8357,
        "northing": 6510971.8357,
        "existing_z": 221.5288,
        "design_z": 221.2314,
        "delta_z": -0.2974
      },
      {
        "ch": 50.0,
        "easting": 450024.7647,
        "northing": 6510964.7647,
        "existing_z": 220.4197,
        "design_z": 220.2418,
        "delta_z": -0.1779
      },
      {
        "ch": 50.7107,
        "easting": 450024.2621,
        "northing": 6510964.2621,
        "existing_z": 220.3385,
        "design_z": 220.1715,
        "delta_z": -0.1669
      },
      {
        "ch": 60.0,
        "easting": 450017.6936,
        "northing": 6510957.6936,
        "existing_z": 219.2863,
        "design_z": 219.2581,
        "delta_z": -0.0282
      },
      {
        "ch": 70.0,
        "easting": 450010.6225,
        "northing": 6510950.6225,
        "existing_z": 218.1747,
        "design_z": 218.2877,
        "delta_z": 0.113
      },
      {
        "ch": 70.7107,
        "easting": 450010.12,
        "northing": 6510950.12,
        "existing_z": 218.0965,
        "design_z": 218.2192,
        "delta_z": 0.1228
      },
      {
        "ch": 80.0,
        "easting": 450003.5515,
        "northing": 6510943.5515,
        "existing_z": 217.0958,
        "design_z": 217.3307,
        "delta_z": 0.2349
      },
      {
        "ch": 90.0,
        "easting": 449996.4804,
        "northing": 6510936.4804,
        "existing_z": 216.0689,
        "design_z": 216.3871,
        "delta_z": 0.3182
      },
      {
        "ch": 90.7107,
        "easting": 449995.9779,
        "northing": 6510935.9779,
        "existing_z": 215.9979,
        "design_z": 216.3206,
        "delta_z": 0.3226
      },
      {
        "ch": 100.0,
        "easting": 449989.4093,
        "northing": 6510929.4093,
        "existing_z": 215.0992,
        "design_z": 215.4511,
        "delta_z": 0.352
      },
      {
        "ch": 110.0,
        "easting": 449982.3383,
        "northing": 6510922.3383,
        "existing_z": 214.2238,
        "design_z": 214.5152,
        "delta_z": 0.2914
      },
      {
        "ch": 120.0,
        "easting": 449975.2672,
        "northing": 6510915.2672,
        "existing_z": 213.3802,
        "design_z": 213.5792,
        "delta_z": 0.199
      },
      {
        "ch": 130.0,
        "easting": 449968.1961,
        "northing": 6510908.1961,
        "existing_z": 212.5494,
        "design_z": 212.6433,
        "delta_z": 0.0939
      },
      {
        "ch": 140.0,
        "easting": 449961.1251,
        "northing": 6510901.1251,
        "existing_z": 211.6936,
        "design_z": 211.7074,
        "delta_z": 0.0138
      },
      {
        "ch": 141.4214,
        "easting": 449960.12,
        "northing": 6510900.12,
        "existing_z": 211.5743,
        "design_z": 211.5743,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD235",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 127.741,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 10.31,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450030.0,
          6510900.12
        ],
        "end": [
          450030.0,
          6510917.4504
        ],
        "chainage_start": 0,
        "length": 17.330400000326335
      },
      {
        "type": "ARC",
        "centre": [
          450060.29741452227,
          6510917.4504
        ],
        "radius": 30.297414522244075,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -0.7853981633974483,
        "start": [
          450030.0,
          6510917.4504
        ],
        "end": [
          450038.8739072611,
          6510938.8739072615
        ],
        "chainage_start": 17.330400000326335,
        "length": 23.795533721461673,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450038.8739072612,
          6510938.8739072615
        ],
        "end": [
          450100.1200000001,
          6511000.12
        ],
        "chainage_start": 41.12593372178801,
        "length": 86.61505499351233
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 63.87049435765017,
        "pvi_z": 223.44364019176197,
        "bvc": 43.87049435765017,
        "evc": 83.87049435765017,
        "length": 40.0,
        "g1": 0.10261877968457016,
        "g2": 0.10307202284190081,
        "z_bvc": 221.39126459807056,
        "K_m_per_percent": 882.5284916727117
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450030.0,
        "northing": 6510900.12,
        "existing_z": 216.8893,
        "design_z": 216.8893,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450030.0,
        "northing": 6510910.12,
        "existing_z": 217.6298,
        "design_z": 217.9155,
        "delta_z": 0.2857
      },
      {
        "ch": 20.0,
        "easting": 450030.1175,
        "northing": 6510920.1165,
        "existing_z": 218.3283,
        "design_z": 218.9417,
        "delta_z": 0.6134
      },
      {
        "ch": 30.0,
        "easting": 450032.6107,
        "northing": 6510929.754,
        "existing_z": 219.3016,
        "design_z": 219.9679,
        "delta_z": 0.6663
      },
      {
        "ch": 40.0,
        "easting": 450038.0927,
        "northing": 6510938.0631,
        "existing_z": 220.4755,
        "design_z": 220.9941,
        "delta_z": 0.5186
      },
      {
        "ch": 43.8705,
        "easting": 450040.8146,
        "northing": 6510940.8146,
        "existing_z": 220.9627,
        "design_z": 221.3913,
        "delta_z": 0.4285
      },
      {
        "ch": 50.0,
        "easting": 450045.1488,
        "northing": 6510945.1488,
        "existing_z": 221.7205,
        "design_z": 222.0205,
        "delta_z": 0.2999
      },
      {
        "ch": 60.0,
        "easting": 450052.2199,
        "northing": 6510952.2199,
        "existing_z": 222.9505,
        "design_z": 223.0479,
        "delta_z": 0.0974
      },
      {
        "ch": 63.8705,
        "easting": 450054.9567,
        "northing": 6510954.9567,
        "existing_z": 223.4363,
        "design_z": 223.4459,
        "delta_z": 0.0096
      },
      {
        "ch": 70.0,
        "easting": 450059.291,
        "northing": 6510959.291,
        "existing_z": 224.177,
        "design_z": 224.0765,
        "delta_z": -0.1005
      },
      {
        "ch": 80.0,
        "easting": 450066.362,
        "northing": 6510966.362,
        "existing_z": 225.31,
        "design_z": 225.1062,
        "delta_z": -0.2038
      },
      {
        "ch": 83.8705,
        "easting": 450069.0989,
        "northing": 6510969.0989,
        "existing_z": 225.7234,
        "design_z": 225.5051,
        "delta_z": -0.2184
      },
      {
        "ch": 90.0,
        "easting": 450073.4331,
        "northing": 6510973.4331,
        "existing_z": 226.4107,
        "design_z": 226.1369,
        "delta_z": -0.2738
      },
      {
        "ch": 100.0,
        "easting": 450080.5042,
        "northing": 6510980.5042,
        "existing_z": 227.4906,
        "design_z": 227.1676,
        "delta_z": -0.323
      },
      {
        "ch": 110.0,
        "easting": 450087.5752,
        "northing": 6510987.5752,
        "existing_z": 228.4878,
        "design_z": 228.1983,
        "delta_z": -0.2895
      },
      {
        "ch": 120.0,
        "easting": 450094.6463,
        "northing": 6510994.6463,
        "existing_z": 229.3766,
        "design_z": 229.229,
        "delta_z": -0.1476
      },
      {
        "ch": 127.741,
        "easting": 450100.12,
        "northing": 6511000.12,
        "existing_z": 230.0269,
        "design_z": 230.0269,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD236",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 305.139,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.97,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450595.87895235297,
          6510992.396089945
        ],
        "end": [
          450890.62106785324,
          6510913.423985882
        ],
        "chainage_start": 0,
        "length": 305.1385060423389
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 76.28462651058473,
        "pvi_z": 172.79289507376185,
        "bvc": 56.28462651058473,
        "evc": 96.28462651058473,
        "length": 40.0,
        "g1": -0.05974186276345659,
        "g2": -0.04269338903430399,
        "z_bvc": 173.987732329031,
        "K_m_per_percent": 23.46251085902234
      },
      {
        "pvi_ch": 152.56925302116946,
        "pvi_z": 169.53604583680888,
        "bvc": 132.56925302116946,
        "evc": 172.56925302116946,
        "length": 40.0,
        "g1": -0.04269338903430399,
        "g2": -0.007678420533466903,
        "z_bvc": 170.38991361749495,
        "K_m_per_percent": 11.423685844253647
      },
      {
        "pvi_ch": 228.8538795317542,
        "pvi_z": 168.95030039422215,
        "bvc": 208.8538795317542,
        "evc": 248.8538795317542,
        "length": 40.0,
        "g1": -0.007678420533466903,
        "g2": 0.018916733226973393,
        "z_bvc": 169.1038688048915,
        "K_m_per_percent": 15.040334175280881
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450595.879,
        "northing": 6510992.3961,
        "existing_z": 177.3503,
        "design_z": 177.3503,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450605.5382,
        "northing": 6510989.808,
        "existing_z": 176.6466,
        "design_z": 176.7529,
        "delta_z": 0.1062
      },
      {
        "ch": 20.0,
        "easting": 450615.1975,
        "northing": 6510987.2199,
        "existing_z": 176.0125,
        "design_z": 176.1554,
        "delta_z": 0.1429
      },
      {
        "ch": 30.0,
        "easting": 450624.8568,
        "northing": 6510984.6319,
        "existing_z": 175.3849,
        "design_z": 175.558,
        "delta_z": 0.1731
      },
      {
        "ch": 40.0,
        "easting": 450634.5161,
        "northing": 6510982.0438,
        "existing_z": 174.7605,
        "design_z": 174.9606,
        "delta_z": 0.2001
      },
      {
        "ch": 50.0,
        "easting": 450644.1754,
        "northing": 6510979.4557,
        "existing_z": 174.1444,
        "design_z": 174.3632,
        "delta_z": 0.2188
      },
      {
        "ch": 56.2846,
        "easting": 450650.2459,
        "northing": 6510977.8292,
        "existing_z": 173.7598,
        "design_z": 173.9877,
        "delta_z": 0.228
      },
      {
        "ch": 60.0,
        "easting": 450653.8347,
        "northing": 6510976.8676,
        "existing_z": 173.5417,
        "design_z": 173.7687,
        "delta_z": 0.227
      },
      {
        "ch": 70.0,
        "easting": 450663.494,
        "northing": 6510974.2796,
        "existing_z": 172.9633,
        "design_z": 173.2084,
        "delta_z": 0.2452
      },
      {
        "ch": 76.2846,
        "easting": 450669.5645,
        "northing": 6510972.6531,
        "existing_z": 172.6061,
        "design_z": 172.8781,
        "delta_z": 0.272
      },
      {
        "ch": 80.0,
        "easting": 450673.1533,
        "northing": 6510971.6915,
        "existing_z": 172.4186,
        "design_z": 172.6908,
        "delta_z": 0.2721
      },
      {
        "ch": 90.0,
        "easting": 450682.8126,
        "northing": 6510969.1034,
        "existing_z": 171.9409,
        "design_z": 172.2158,
        "delta_z": 0.2748
      },
      {
        "ch": 96.2846,
        "easting": 450688.8831,
        "northing": 6510967.4769,
        "existing_z": 171.6558,
        "design_z": 171.939,
        "delta_z": 0.2832
      },
      {
        "ch": 100.0,
        "easting": 450692.4718,
        "northing": 6510966.5153,
        "existing_z": 171.4928,
        "design_z": 171.7804,
        "delta_z": 0.2876
      },
      {
        "ch": 110.0,
        "easting": 450702.1311,
        "northing": 6510963.9273,
        "existing_z": 171.0653,
        "design_z": 171.3535,
        "delta_z": 0.2881
      },
      {
        "ch": 120.0,
        "easting": 450711.7904,
        "northing": 6510961.3392,
        "existing_z": 170.6307,
        "design_z": 170.9265,
        "delta_z": 0.2958
      },
      {
        "ch": 130.0,
        "easting": 450721.4497,
        "northing": 6510958.7511,
        "existing_z": 170.1379,
        "design_z": 170.4996,
        "delta_z": 0.3617
      },
      {
        "ch": 132.5693,
        "easting": 450723.9314,
        "northing": 6510958.0862,
        "existing_z": 170.0132,
        "design_z": 170.3899,
        "delta_z": 0.3767
      },
      {
        "ch": 140.0,
        "easting": 450731.109,
        "northing": 6510956.1631,
        "existing_z": 169.6489,
        "design_z": 170.0968,
        "delta_z": 0.4479
      },
      {
        "ch": 150.0,
        "easting": 450740.7683,
        "northing": 6510953.575,
        "existing_z": 169.1141,
        "design_z": 169.7787,
        "delta_z": 0.6646
      },
      {
        "ch": 152.5693,
        "easting": 450743.25,
        "northing": 6510952.91,
        "existing_z": 168.9795,
        "design_z": 169.7111,
        "delta_z": 0.7316
      },
      {
        "ch": 160.0,
        "easting": 450750.4276,
        "northing": 6510950.9869,
        "existing_z": 168.6012,
        "design_z": 169.5481,
        "delta_z": 0.947
      },
      {
        "ch": 170.0,
        "easting": 450760.0869,
        "northing": 6510948.3988,
        "existing_z": 168.194,
        "design_z": 169.4051,
        "delta_z": 1.2111
      },
      {
        "ch": 172.5693,
        "easting": 450762.5686,
        "northing": 6510947.7339,
        "existing_z": 168.0915,
        "design_z": 169.3825,
        "delta_z": 1.291
      },
      {
        "ch": 180.0,
        "easting": 450769.7462,
        "northing": 6510945.8108,
        "existing_z": 167.8016,
        "design_z": 169.3254,
        "delta_z": 1.5239
      },
      {
        "ch": 190.0,
        "easting": 450779.4055,
        "northing": 6510943.2227,
        "existing_z": 167.7232,
        "design_z": 169.2486,
        "delta_z": 1.5254
      },
      {
        "ch": 200.0,
        "easting": 450789.0647,
        "northing": 6510940.6346,
        "existing_z": 167.6665,
        "design_z": 169.1719,
        "delta_z": 1.5054
      },
      {
        "ch": 208.8539,
        "easting": 450797.617,
        "northing": 6510938.3432,
        "existing_z": 167.8656,
        "design_z": 169.1039,
        "delta_z": 1.2383
      },
      {
        "ch": 210.0,
        "easting": 450798.724,
        "northing": 6510938.0465,
        "existing_z": 167.8952,
        "design_z": 169.0955,
        "delta_z": 1.2003
      },
      {
        "ch": 220.0,
        "easting": 450808.3833,
        "northing": 6510935.4585,
        "existing_z": 168.1523,
        "design_z": 169.0596,
        "delta_z": 0.9073
      },
      {
        "ch": 228.8539,
        "easting": 450816.9355,
        "northing": 6510933.167,
        "existing_z": 168.5635,
        "design_z": 169.0833,
        "delta_z": 0.5198
      },
      {
        "ch": 230.0,
        "easting": 450818.0426,
        "northing": 6510932.8704,
        "existing_z": 168.6209,
        "design_z": 169.0902,
        "delta_z": 0.4693
      },
      {
        "ch": 240.0,
        "easting": 450827.7019,
        "northing": 6510930.2823,
        "existing_z": 169.1052,
        "design_z": 169.1872,
        "delta_z": 0.082
      },
      {
        "ch": 248.8539,
        "easting": 450836.2541,
        "northing": 6510927.9909,
        "existing_z": 169.4901,
        "design_z": 169.3286,
        "delta_z": -0.1615
      },
      {
        "ch": 250.0,
        "easting": 450837.3612,
        "northing": 6510927.6942,
        "existing_z": 169.5371,
        "design_z": 169.3503,
        "delta_z": -0.1868
      },
      {
        "ch": 260.0,
        "easting": 450847.0205,
        "northing": 6510925.1062,
        "existing_z": 169.9287,
        "design_z": 169.5395,
        "delta_z": -0.3893
      },
      {
        "ch": 270.0,
        "easting": 450856.6798,
        "northing": 6510922.5181,
        "existing_z": 170.164,
        "design_z": 169.7287,
        "delta_z": -0.4354
      },
      {
        "ch": 280.0,
        "easting": 450866.3391,
        "northing": 6510919.93,
        "existing_z": 170.3205,
        "design_z": 169.9178,
        "delta_z": -0.4026
      },
      {
        "ch": 290.0,
        "easting": 450875.9983,
        "northing": 6510917.3419,
        "existing_z": 170.3871,
        "design_z": 170.107,
        "delta_z": -0.2801
      },
      {
        "ch": 300.0,
        "easting": 450885.6576,
        "northing": 6510914.7539,
        "existing_z": 170.3958,
        "design_z": 170.2962,
        "delta_z": -0.0997
      },
      {
        "ch": 305.1385,
        "easting": 450890.6211,
        "northing": 6510913.424,
        "existing_z": 170.3934,
        "design_z": 170.3934,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD237",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 1285.829,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 16.56,
    "radius_review_count": 5,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452186.1777372033,
          6511213.707737203
        ],
        "end": [
          452226.6398496254,
          6511254.169849625
        ],
        "chainage_start": 0,
        "length": 57.222068149600396
      },
      {
        "type": "ARC",
        "centre": [
          452255.94027260906,
          6511224.869426642
        ],
        "radius": 41.43705556669466,
        "start_angle_rad": 2.356194490199298,
        "sweep_rad": -1.5707870228264826,
        "start": [
          452226.6398496254,
          6511254.169849625
        ],
        "end": [
          452285.24042298115,
          6511254.170122234
        ],
        "chainage_start": 57.222068149600396,
        "length": 65.08878914830383,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452285.240422981,
          6511254.170122234
        ],
        "end": [
          452782.40300522733,
          6510757.016791074
        ],
        "chainage_start": 122.31085729790422,
        "length": 703.0875250421454
      },
      {
        "type": "ARC",
        "centre": [
          452805.29174607643,
          6510779.905957839
        ],
        "radius": 32.36986890418017,
        "start_angle_rad": -2.3561851862121204,
        "sweep_rad": 0.8922112381053907,
        "start": [
          452782.40300522733,
          6510757.016791074
        ],
        "end": [
          452808.74299999996,
          6510747.720600001
        ],
        "chainage_start": 825.3983823400497,
        "length": 28.88076081230778,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452808.7430000003,
          6510747.720600001
        ],
        "end": [
          452814.607,
          6510748.3494
        ],
        "chainage_start": 854.2791431523575,
        "length": 5.897616928515486
      },
      {
        "type": "ARC",
        "centre": [
          452809.93022963434,
          6510791.963556212
        ],
        "radius": 43.8641858832459,
        "start_angle_rad": -1.4639739481167295,
        "sweep_rad": 0.6785757847190061,
        "start": [
          452814.607,
          6510748.3494
        ],
        "end": [
          452840.94689292356,
          6510760.946892924
        ],
        "chainage_start": 860.176760080873,
        "length": 29.76517435678394,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452840.9468929236,
          6510760.946892923
        ],
        "end": [
          452861.8534506445,
          6510781.853450645
        ],
        "chainage_start": 889.941934437657,
        "length": 29.566337472230618
      },
      {
        "type": "ARC",
        "centre": [
          452847.00614231406,
          6510796.700758975
        ],
        "radius": 20.99726480565346,
        "start_angle_rad": -0.7853981633896074,
        "sweep_rad": 1.0036716960832213,
        "start": [
          452861.8534506445,
          6510781.853450645
        ],
        "end": [
          452867.5052,
          6510801.2476
        ],
        "chainage_start": 919.5082719098876,
        "length": 21.07436038059874,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452867.50519999996,
          6510801.2476
        ],
        "end": [
          452866.5548,
          6510805.5324
        ],
        "chainage_start": 940.5826322904863,
        "length": 4.388937365257677
      },
      {
        "type": "ARC",
        "centre": [
          452827.95985903864,
          6510796.971759623
        ],
        "radius": 39.53294868183145,
        "start_angle_rad": 0.21827353267438546,
        "sweep_rad": 0.5671460609677997,
        "start": [
          452866.5548,
          6510805.5324
        ],
        "end": [
          452855.91327606374,
          6510824.926374772
        ],
        "chainage_start": 944.971569655744,
        "length": 22.420956123342876,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452855.91327606404,
          6510824.926374771
        ],
        "end": [
          452630.74,
          6511050.09
        ],
        "chainage_start": 967.3925257790869,
        "length": 318.4362767960765
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 75.63698838677432,
        "pvi_z": 227.0140801517486,
        "bvc": 55.63698838677432,
        "evc": 95.63698838677432,
        "length": 40.0,
        "g1": 0.033332371947194614,
        "g2": 0.053326317219547614,
        "z_bvc": 226.3474327128047,
        "K_m_per_percent": 20.006056561188423
      },
      {
        "pvi_ch": 151.27397677354864,
        "pvi_z": 231.04752218799297,
        "bvc": 131.27397677354864,
        "evc": 171.27397677354864,
        "length": 40.0,
        "g1": 0.053326317219547614,
        "g2": 0.038595784608256016,
        "z_bvc": 229.98099584360202,
        "K_m_per_percent": 27.154483178251308
      },
      {
        "pvi_ch": 226.91096516032297,
        "pvi_z": 233.96679110018607,
        "bvc": 206.91096516032297,
        "evc": 246.91096516032297,
        "length": 40.0,
        "g1": 0.038595784608256016,
        "g2": 0.01111155909375209,
        "z_bvc": 233.19487540802095,
        "K_m_per_percent": 14.55380286371587
      },
      {
        "pvi_ch": 302.5479535470973,
        "pvi_z": 234.80723596631915,
        "bvc": 282.5479535470973,
        "evc": 322.5479535470973,
        "length": 40.0,
        "g1": 0.01111155909375209,
        "g2": -0.003383727460389661,
        "z_bvc": 234.58500478444412,
        "K_m_per_percent": 27.59517712919637
      },
      {
        "pvi_ch": 378.1849419338716,
        "pvi_z": 234.55130101169365,
        "bvc": 358.1849419338716,
        "evc": 398.1849419338716,
        "length": 40.0,
        "g1": -0.003383727460389661,
        "g2": -0.012513932696156449,
        "z_bvc": 234.61897556090145,
        "K_m_per_percent": 43.8106252456445
      },
      {
        "pvi_ch": 453.82193032064595,
        "pvi_z": 233.6047848296816,
        "bvc": 433.82193032064595,
        "evc": 473.82193032064595,
        "length": 40.0,
        "g1": -0.012513932696156449,
        "g2": -0.0643834530687416,
        "z_bvc": 233.8550634836047,
        "K_m_per_percent": 7.711657966504235
      },
      {
        "pvi_ch": 529.4589187074203,
        "pvi_z": 228.73501433762075,
        "bvc": 509.45891870742025,
        "evc": 549.4589187074203,
        "length": 40.0,
        "g1": -0.0643834530687416,
        "g2": -0.10047555426265457,
        "z_bvc": 230.02268339899558,
        "K_m_per_percent": 11.082757355990708
      },
      {
        "pvi_ch": 605.0959070941946,
        "pvi_z": 221.13534600670164,
        "bvc": 585.0959070941946,
        "evc": 625.0959070941946,
        "length": 40.0,
        "g1": -0.10047555426265457,
        "g2": -0.11847966888123893,
        "z_bvc": 223.14485709195472,
        "K_m_per_percent": 22.217143607112387
      },
      {
        "pvi_ch": 680.7328954809689,
        "pvi_z": 212.1739006674625,
        "bvc": 660.7328954809689,
        "evc": 700.7328954809689,
        "length": 40.0,
        "g1": -0.11847966888123893,
        "g2": -0.12397716267642508,
        "z_bvc": 214.54349404508727,
        "K_m_per_percent": 72.76042773349869
      },
      {
        "pvi_ch": 756.3698838677432,
        "pvi_z": 202.7966414538805,
        "bvc": 736.3698838677432,
        "evc": 776.3698838677432,
        "length": 40.0,
        "g1": -0.12397716267642508,
        "g2": -0.12043718588798802,
        "z_bvc": 205.27618470740902,
        "K_m_per_percent": 112.99509118437014
      },
      {
        "pvi_ch": 832.0068722545175,
        "pvi_z": 193.68713542353498,
        "bvc": 812.0068722545175,
        "evc": 852.0068722545175,
        "length": 40.0,
        "g1": -0.12043718588798802,
        "g2": -0.0634173933778872,
        "z_bvc": 196.09587914129474,
        "K_m_per_percent": 7.015107954472855
      },
      {
        "pvi_ch": 907.6438606412919,
        "pvi_z": 188.89043477709222,
        "bvc": 873.6072158672434,
        "evc": 941.6805054153403,
        "length": 68.07328954809688,
        "g1": -0.0634173933778872,
        "g2": 0.07444633386703861,
        "z_bvc": 191.04895006799146,
        "K_m_per_percent": 4.937722989830335
      },
      {
        "pvi_ch": 983.2808490280662,
        "pvi_z": 194.52133126723135,
        "bvc": 960.8330438441195,
        "evc": 1005.7286542120129,
        "length": 44.895610367893276,
        "g1": 0.07444633386703861,
        "g2": 0.14927235114686074,
        "z_bvc": 192.850174467925,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 1058.9178374148405,
        "pvi_z": 205.81184235739295,
        "bvc": 1038.9178374148405,
        "evc": 1078.9178374148405,
        "length": 40.0,
        "g1": 0.14927235114686074,
        "g2": 0.16562286222612949,
        "z_bvc": 202.82639533445573,
        "K_m_per_percent": 24.464067090060006
      },
      {
        "pvi_ch": 1134.5548258016147,
        "pvi_z": 218.339056864175,
        "bvc": 1114.5548258016147,
        "evc": 1154.5548258016147,
        "length": 40.0,
        "g1": 0.16562286222612949,
        "g2": 0.13815014268236353,
        "z_bvc": 215.02659961965242,
        "K_m_per_percent": 14.559898206028425
      },
      {
        "pvi_ch": 1210.1918141883891,
        "pvi_z": 228.78831760187217,
        "bvc": 1190.1918141883891,
        "evc": 1230.1918141883891,
        "length": 40.0,
        "g1": 0.13815014268236353,
        "g2": 0.09439135481936328,
        "z_bvc": 226.0253147482249,
        "K_m_per_percent": 9.141021027646325
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452186.1777,
        "northing": 6511213.7077,
        "existing_z": 224.4929,
        "design_z": 224.4929,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452193.2488,
        "northing": 6511220.7788,
        "existing_z": 224.7377,
        "design_z": 224.8262,
        "delta_z": 0.0885
      },
      {
        "ch": 20.0,
        "easting": 452200.3199,
        "northing": 6511227.8499,
        "existing_z": 224.9678,
        "design_z": 225.1596,
        "delta_z": 0.1918
      },
      {
        "ch": 30.0,
        "easting": 452207.3909,
        "northing": 6511234.9209,
        "existing_z": 225.2009,
        "design_z": 225.4929,
        "delta_z": 0.292
      },
      {
        "ch": 40.0,
        "easting": 452214.462,
        "northing": 6511241.992,
        "existing_z": 225.4309,
        "design_z": 225.8262,
        "delta_z": 0.3953
      },
      {
        "ch": 50.0,
        "easting": 452221.5331,
        "northing": 6511249.0631,
        "existing_z": 225.6571,
        "design_z": 226.1595,
        "delta_z": 0.5024
      },
      {
        "ch": 55.637,
        "easting": 452225.519,
        "northing": 6511253.049,
        "existing_z": 225.8031,
        "design_z": 226.3474,
        "delta_z": 0.5444
      },
      {
        "ch": 60.0,
        "easting": 452228.6685,
        "northing": 6511256.0669,
        "existing_z": 225.9268,
        "design_z": 226.4976,
        "delta_z": 0.5708
      },
      {
        "ch": 70.0,
        "easting": 452236.9148,
        "northing": 6511261.6806,
        "existing_z": 226.2804,
        "design_z": 226.8777,
        "delta_z": 0.5973
      },
      {
        "ch": 75.637,
        "easting": 452242.0828,
        "northing": 6511263.9207,
        "existing_z": 226.5432,
        "design_z": 227.114,
        "delta_z": 0.5708
      },
      {
        "ch": 80.0,
        "easting": 452246.2638,
        "northing": 6511265.1608,
        "existing_z": 226.7778,
        "design_z": 227.3079,
        "delta_z": 0.5301
      },
      {
        "ch": 90.0,
        "easting": 452256.1736,
        "northing": 6511266.3058,
        "existing_z": 227.3394,
        "design_z": 227.7879,
        "delta_z": 0.4486
      },
      {
        "ch": 95.637,
        "easting": 452261.791,
        "northing": 6511265.8914,
        "existing_z": 227.679,
        "design_z": 228.0806,
        "delta_z": 0.4016
      },
      {
        "ch": 100.0,
        "easting": 452266.0699,
        "northing": 6511265.0493,
        "existing_z": 227.9599,
        "design_z": 228.3133,
        "delta_z": 0.3534
      },
      {
        "ch": 110.0,
        "easting": 452275.3791,
        "northing": 6511261.464,
        "existing_z": 228.607,
        "design_z": 228.8465,
        "delta_z": 0.2395
      },
      {
        "ch": 120.0,
        "easting": 452283.5617,
        "northing": 6511255.7577,
        "existing_z": 229.2622,
        "design_z": 229.3798,
        "delta_z": 0.1176
      },
      {
        "ch": 130.0,
        "easting": 452290.6775,
        "northing": 6511248.7331,
        "existing_z": 229.9295,
        "design_z": 229.9131,
        "delta_z": -0.0164
      },
      {
        "ch": 131.274,
        "easting": 452291.5784,
        "northing": 6511247.8323,
        "existing_z": 230.0167,
        "design_z": 229.981,
        "delta_z": -0.0357
      },
      {
        "ch": 140.0,
        "easting": 452297.7487,
        "northing": 6511241.6621,
        "existing_z": 230.6063,
        "design_z": 230.4323,
        "delta_z": -0.174
      },
      {
        "ch": 150.0,
        "easting": 452304.8198,
        "northing": 6511234.5911,
        "existing_z": 231.2656,
        "design_z": 230.915,
        "delta_z": -0.3506
      },
      {
        "ch": 151.274,
        "easting": 452305.7206,
        "northing": 6511233.6903,
        "existing_z": 231.3483,
        "design_z": 230.9739,
        "delta_z": -0.3745
      },
      {
        "ch": 160.0,
        "easting": 452311.8909,
        "northing": 6511227.5201,
        "existing_z": 231.8817,
        "design_z": 231.3609,
        "delta_z": -0.5208
      },
      {
        "ch": 170.0,
        "easting": 452318.9621,
        "northing": 6511220.4491,
        "existing_z": 232.4015,
        "design_z": 231.77,
        "delta_z": -0.6316
      },
      {
        "ch": 171.274,
        "easting": 452319.8629,
        "northing": 6511219.5483,
        "existing_z": 232.464,
        "design_z": 231.8194,
        "delta_z": -0.6446
      },
      {
        "ch": 180.0,
        "easting": 452326.0332,
        "northing": 6511213.3781,
        "existing_z": 232.8693,
        "design_z": 232.1562,
        "delta_z": -0.7131
      },
      {
        "ch": 190.0,
        "easting": 452333.1043,
        "northing": 6511206.3071,
        "existing_z": 233.2907,
        "design_z": 232.5422,
        "delta_z": -0.7485
      },
      {
        "ch": 200.0,
        "easting": 452340.1755,
        "northing": 6511199.2361,
        "existing_z": 233.67,
        "design_z": 232.9281,
        "delta_z": -0.7419
      },
      {
        "ch": 206.911,
        "easting": 452345.0623,
        "northing": 6511194.3494,
        "existing_z": 233.9025,
        "design_z": 233.1949,
        "delta_z": -0.7077
      },
      {
        "ch": 210.0,
        "easting": 452347.2466,
        "northing": 6511192.1651,
        "existing_z": 233.9986,
        "design_z": 233.3108,
        "delta_z": -0.6878
      },
      {
        "ch": 220.0,
        "easting": 452354.3177,
        "northing": 6511185.0941,
        "existing_z": 234.2409,
        "design_z": 233.6412,
        "delta_z": -0.5997
      },
      {
        "ch": 226.911,
        "easting": 452359.2046,
        "northing": 6511180.2074,
        "existing_z": 234.3855,
        "design_z": 233.8294,
        "delta_z": -0.5562
      },
      {
        "ch": 230.0,
        "easting": 452361.3889,
        "northing": 6511178.0231,
        "existing_z": 234.4471,
        "design_z": 233.9029,
        "delta_z": -0.5442
      },
      {
        "ch": 240.0,
        "easting": 452368.46,
        "northing": 6511170.9521,
        "existing_z": 234.6332,
        "design_z": 234.0958,
        "delta_z": -0.5374
      },
      {
        "ch": 246.911,
        "easting": 452373.3468,
        "northing": 6511166.0654,
        "existing_z": 234.7379,
        "design_z": 234.189,
        "delta_z": -0.5489
      },
      {
        "ch": 250.0,
        "easting": 452375.5311,
        "northing": 6511163.8811,
        "existing_z": 234.7832,
        "design_z": 234.2233,
        "delta_z": -0.5599
      },
      {
        "ch": 260.0,
        "easting": 452382.6023,
        "northing": 6511156.8101,
        "existing_z": 234.9223,
        "design_z": 234.3345,
        "delta_z": -0.5878
      },
      {
        "ch": 270.0,
        "easting": 452389.6734,
        "northing": 6511149.7391,
        "existing_z": 235.048,
        "design_z": 234.4456,
        "delta_z": -0.6024
      },
      {
        "ch": 280.0,
        "easting": 452396.7445,
        "northing": 6511142.6681,
        "existing_z": 235.1006,
        "design_z": 234.5567,
        "delta_z": -0.5439
      },
      {
        "ch": 282.548,
        "easting": 452398.5462,
        "northing": 6511140.8664,
        "existing_z": 235.1059,
        "design_z": 234.585,
        "delta_z": -0.5209
      },
      {
        "ch": 290.0,
        "easting": 452403.8157,
        "northing": 6511135.5971,
        "existing_z": 235.1028,
        "design_z": 234.6577,
        "delta_z": -0.4451
      },
      {
        "ch": 300.0,
        "easting": 452410.8868,
        "northing": 6511128.5261,
        "existing_z": 235.0437,
        "design_z": 234.7237,
        "delta_z": -0.3199
      },
      {
        "ch": 302.548,
        "easting": 452412.6885,
        "northing": 6511126.7244,
        "existing_z": 235.0133,
        "design_z": 234.7348,
        "delta_z": -0.2786
      },
      {
        "ch": 310.0,
        "easting": 452417.9579,
        "northing": 6511121.4551,
        "existing_z": 234.91,
        "design_z": 234.7535,
        "delta_z": -0.1565
      },
      {
        "ch": 320.0,
        "easting": 452425.0291,
        "northing": 6511114.3841,
        "existing_z": 234.7372,
        "design_z": 234.747,
        "delta_z": 0.0098
      },
      {
        "ch": 322.548,
        "easting": 452426.8307,
        "northing": 6511112.5824,
        "existing_z": 234.6869,
        "design_z": 234.7396,
        "delta_z": 0.0526
      },
      {
        "ch": 330.0,
        "easting": 452432.1002,
        "northing": 6511107.3131,
        "existing_z": 234.5554,
        "design_z": 234.7143,
        "delta_z": 0.159
      },
      {
        "ch": 340.0,
        "easting": 452439.1713,
        "northing": 6511100.2421,
        "existing_z": 234.4277,
        "design_z": 234.6805,
        "delta_z": 0.2528
      },
      {
        "ch": 350.0,
        "easting": 452446.2425,
        "northing": 6511093.1711,
        "existing_z": 234.291,
        "design_z": 234.6467,
        "delta_z": 0.3557
      },
      {
        "ch": 358.1849,
        "easting": 452452.0301,
        "northing": 6511087.3835,
        "existing_z": 234.2487,
        "design_z": 234.619,
        "delta_z": 0.3703
      },
      {
        "ch": 360.0,
        "easting": 452453.3136,
        "northing": 6511086.1001,
        "existing_z": 234.2665,
        "design_z": 234.6125,
        "delta_z": 0.3459
      },
      {
        "ch": 370.0,
        "easting": 452460.3847,
        "northing": 6511079.0291,
        "existing_z": 234.3696,
        "design_z": 234.5631,
        "delta_z": 0.1935
      },
      {
        "ch": 378.1849,
        "easting": 452466.1724,
        "northing": 6511073.2415,
        "existing_z": 234.4602,
        "design_z": 234.5056,
        "delta_z": 0.0454
      },
      {
        "ch": 380.0,
        "easting": 452467.4559,
        "northing": 6511071.9581,
        "existing_z": 234.4811,
        "design_z": 234.4908,
        "delta_z": 0.0098
      },
      {
        "ch": 390.0,
        "easting": 452474.527,
        "northing": 6511064.8871,
        "existing_z": 234.6087,
        "design_z": 234.3958,
        "delta_z": -0.2129
      },
      {
        "ch": 398.1849,
        "easting": 452480.3147,
        "northing": 6511059.0995,
        "existing_z": 234.7251,
        "design_z": 234.301,
        "delta_z": -0.4241
      },
      {
        "ch": 400.0,
        "easting": 452481.5981,
        "northing": 6511057.8161,
        "existing_z": 234.7514,
        "design_z": 234.2783,
        "delta_z": -0.4731
      },
      {
        "ch": 410.0,
        "easting": 452488.6693,
        "northing": 6511050.7451,
        "existing_z": 234.8992,
        "design_z": 234.1532,
        "delta_z": -0.746
      },
      {
        "ch": 420.0,
        "easting": 452495.7404,
        "northing": 6511043.6741,
        "existing_z": 234.9271,
        "design_z": 234.028,
        "delta_z": -0.8991
      },
      {
        "ch": 430.0,
        "easting": 452502.8115,
        "northing": 6511036.6031,
        "existing_z": 234.9354,
        "design_z": 233.9029,
        "delta_z": -1.0325
      },
      {
        "ch": 433.8219,
        "easting": 452505.5141,
        "northing": 6511033.9006,
        "existing_z": 234.9379,
        "design_z": 233.8551,
        "delta_z": -1.0829
      },
      {
        "ch": 440.0,
        "easting": 452509.8827,
        "northing": 6511029.5321,
        "existing_z": 234.9301,
        "design_z": 233.753,
        "delta_z": -1.1771
      },
      {
        "ch": 450.0,
        "easting": 452516.9538,
        "northing": 6511022.4611,
        "existing_z": 234.652,
        "design_z": 233.4829,
        "delta_z": -1.1691
      },
      {
        "ch": 453.8219,
        "easting": 452519.6563,
        "northing": 6511019.7586,
        "existing_z": 234.5407,
        "design_z": 233.3454,
        "delta_z": -1.1953
      },
      {
        "ch": 460.0,
        "easting": 452524.0249,
        "northing": 6511015.3901,
        "existing_z": 234.3556,
        "design_z": 233.0832,
        "delta_z": -1.2724
      },
      {
        "ch": 470.0,
        "easting": 452531.0961,
        "northing": 6511008.3191,
        "existing_z": 233.9745,
        "design_z": 232.5537,
        "delta_z": -1.4208
      },
      {
        "ch": 473.8219,
        "easting": 452533.7986,
        "northing": 6511005.6166,
        "existing_z": 233.7164,
        "design_z": 232.3171,
        "delta_z": -1.3993
      },
      {
        "ch": 480.0,
        "easting": 452538.1672,
        "northing": 6511001.2481,
        "existing_z": 233.2961,
        "design_z": 231.9194,
        "delta_z": -1.3768
      },
      {
        "ch": 490.0,
        "easting": 452545.2383,
        "northing": 6510994.1771,
        "existing_z": 232.6079,
        "design_z": 231.2755,
        "delta_z": -1.3324
      },
      {
        "ch": 500.0,
        "easting": 452552.3095,
        "northing": 6510987.1061,
        "existing_z": 231.8353,
        "design_z": 230.6317,
        "delta_z": -1.2036
      },
      {
        "ch": 509.4589,
        "easting": 452558.998,
        "northing": 6510980.4176,
        "existing_z": 230.9817,
        "design_z": 230.0227,
        "delta_z": -0.9591
      },
      {
        "ch": 510.0,
        "easting": 452559.3806,
        "northing": 6510980.0351,
        "existing_z": 230.9333,
        "design_z": 229.9877,
        "delta_z": -0.9456
      },
      {
        "ch": 520.0,
        "easting": 452566.4517,
        "northing": 6510972.964,
        "existing_z": 230.0449,
        "design_z": 229.2939,
        "delta_z": -0.7511
      },
      {
        "ch": 529.4589,
        "easting": 452573.1403,
        "northing": 6510966.2756,
        "existing_z": 229.1637,
        "design_z": 228.5546,
        "delta_z": -0.6091
      },
      {
        "ch": 530.0,
        "easting": 452573.5229,
        "northing": 6510965.893,
        "existing_z": 229.1105,
        "design_z": 228.5098,
        "delta_z": -0.6007
      },
      {
        "ch": 540.0,
        "easting": 452580.594,
        "northing": 6510958.822,
        "existing_z": 228.1219,
        "design_z": 227.6355,
        "delta_z": -0.4864
      },
      {
        "ch": 549.4589,
        "easting": 452587.2825,
        "northing": 6510952.1336,
        "existing_z": 227.1768,
        "design_z": 226.7255,
        "delta_z": -0.4513
      },
      {
        "ch": 550.0,
        "easting": 452587.6651,
        "northing": 6510951.751,
        "existing_z": 227.1224,
        "design_z": 226.6711,
        "delta_z": -0.4513
      },
      {
        "ch": 560.0,
        "easting": 452594.7363,
        "northing": 6510944.68,
        "existing_z": 226.127,
        "design_z": 225.6664,
        "delta_z": -0.4606
      },
      {
        "ch": 570.0,
        "easting": 452601.8074,
        "northing": 6510937.609,
        "existing_z": 225.1091,
        "design_z": 224.6616,
        "delta_z": -0.4475
      },
      {
        "ch": 580.0,
        "easting": 452608.8785,
        "northing": 6510930.538,
        "existing_z": 224.0539,
        "design_z": 223.6569,
        "delta_z": -0.397
      },
      {
        "ch": 585.0959,
        "easting": 452612.4819,
        "northing": 6510926.9347,
        "existing_z": 223.5326,
        "design_z": 223.1449,
        "delta_z": -0.3878
      },
      {
        "ch": 590.0,
        "easting": 452615.9497,
        "northing": 6510923.467,
        "existing_z": 223.0266,
        "design_z": 222.6467,
        "delta_z": -0.3799
      },
      {
        "ch": 600.0,
        "easting": 452623.0208,
        "northing": 6510916.396,
        "existing_z": 221.9497,
        "design_z": 221.5974,
        "delta_z": -0.3524
      },
      {
        "ch": 605.0959,
        "easting": 452626.6242,
        "northing": 6510912.7927,
        "existing_z": 221.3777,
        "design_z": 221.0453,
        "delta_z": -0.3324
      },
      {
        "ch": 610.0,
        "easting": 452630.0919,
        "northing": 6510909.325,
        "existing_z": 220.8176,
        "design_z": 220.503,
        "delta_z": -0.3146
      },
      {
        "ch": 620.0,
        "easting": 452637.1631,
        "northing": 6510902.254,
        "existing_z": 219.7003,
        "design_z": 219.3637,
        "delta_z": -0.3366
      },
      {
        "ch": 625.0959,
        "easting": 452640.7664,
        "northing": 6510898.6507,
        "existing_z": 219.1097,
        "design_z": 218.7658,
        "delta_z": -0.3439
      },
      {
        "ch": 630.0,
        "easting": 452644.2342,
        "northing": 6510895.183,
        "existing_z": 218.5277,
        "design_z": 218.1847,
        "delta_z": -0.343
      },
      {
        "ch": 640.0,
        "easting": 452651.3053,
        "northing": 6510888.112,
        "existing_z": 217.3151,
        "design_z": 216.9999,
        "delta_z": -0.3152
      },
      {
        "ch": 650.0,
        "easting": 452658.3765,
        "northing": 6510881.041,
        "existing_z": 216.0836,
        "design_z": 215.8151,
        "delta_z": -0.2684
      },
      {
        "ch": 660.0,
        "easting": 452665.4476,
        "northing": 6510873.97,
        "existing_z": 214.807,
        "design_z": 214.6303,
        "delta_z": -0.1766
      },
      {
        "ch": 660.7329,
        "easting": 452665.9658,
        "northing": 6510873.4518,
        "existing_z": 214.7116,
        "design_z": 214.5435,
        "delta_z": -0.1681
      },
      {
        "ch": 670.0,
        "easting": 452672.5187,
        "northing": 6510866.899,
        "existing_z": 213.5363,
        "design_z": 213.4396,
        "delta_z": -0.0967
      },
      {
        "ch": 680.0,
        "easting": 452679.5899,
        "northing": 6510859.828,
        "existing_z": 212.3017,
        "design_z": 212.2352,
        "delta_z": -0.0665
      },
      {
        "ch": 680.7329,
        "easting": 452680.1081,
        "northing": 6510859.3098,
        "existing_z": 212.2107,
        "design_z": 212.1464,
        "delta_z": -0.0643
      },
      {
        "ch": 690.0,
        "easting": 452686.661,
        "northing": 6510852.757,
        "existing_z": 211.0537,
        "design_z": 211.0171,
        "delta_z": -0.0367
      },
      {
        "ch": 700.0,
        "easting": 452693.7321,
        "northing": 6510845.686,
        "existing_z": 209.8276,
        "design_z": 209.7852,
        "delta_z": -0.0424
      },
      {
        "ch": 700.7329,
        "easting": 452694.2504,
        "northing": 6510845.1678,
        "existing_z": 209.7391,
        "design_z": 209.6944,
        "delta_z": -0.0447
      },
      {
        "ch": 710.0,
        "easting": 452700.8033,
        "northing": 6510838.615,
        "existing_z": 208.6132,
        "design_z": 208.5454,
        "delta_z": -0.0677
      },
      {
        "ch": 720.0,
        "easting": 452707.8744,
        "northing": 6510831.544,
        "existing_z": 207.3848,
        "design_z": 207.3057,
        "delta_z": -0.0792
      },
      {
        "ch": 730.0,
        "easting": 452714.9455,
        "northing": 6510824.473,
        "existing_z": 206.135,
        "design_z": 206.0659,
        "delta_z": -0.0691
      },
      {
        "ch": 736.3699,
        "easting": 452719.4498,
        "northing": 6510819.9689,
        "existing_z": 205.3402,
        "design_z": 205.2762,
        "delta_z": -0.064
      },
      {
        "ch": 740.0,
        "easting": 452722.0167,
        "northing": 6510817.402,
        "existing_z": 204.8899,
        "design_z": 204.8267,
        "delta_z": -0.0631
      },
      {
        "ch": 750.0,
        "easting": 452729.0878,
        "northing": 6510810.331,
        "existing_z": 203.6593,
        "design_z": 203.5946,
        "delta_z": -0.0647
      },
      {
        "ch": 756.3699,
        "easting": 452733.592,
        "northing": 6510805.8269,
        "existing_z": 202.8545,
        "design_z": 202.8143,
        "delta_z": -0.0401
      },
      {
        "ch": 760.0,
        "easting": 452736.1589,
        "northing": 6510803.26,
        "existing_z": 202.4007,
        "design_z": 202.3713,
        "delta_z": -0.0294
      },
      {
        "ch": 770.0,
        "easting": 452743.2301,
        "northing": 6510796.189,
        "existing_z": 201.1857,
        "design_z": 201.1569,
        "delta_z": -0.0289
      },
      {
        "ch": 776.3699,
        "easting": 452747.7343,
        "northing": 6510791.6849,
        "existing_z": 200.4386,
        "design_z": 200.3879,
        "delta_z": -0.0507
      },
      {
        "ch": 780.0,
        "easting": 452750.3012,
        "northing": 6510789.118,
        "existing_z": 200.0205,
        "design_z": 199.9507,
        "delta_z": -0.0698
      },
      {
        "ch": 790.0,
        "easting": 452757.3723,
        "northing": 6510782.047,
        "existing_z": 198.7945,
        "design_z": 198.7463,
        "delta_z": -0.0482
      },
      {
        "ch": 800.0,
        "easting": 452764.4435,
        "northing": 6510774.976,
        "existing_z": 197.6422,
        "design_z": 197.542,
        "delta_z": -0.1003
      },
      {
        "ch": 810.0,
        "easting": 452771.5146,
        "northing": 6510767.905,
        "existing_z": 196.4765,
        "design_z": 196.3376,
        "delta_z": -0.1389
      },
      {
        "ch": 812.0069,
        "easting": 452772.9337,
        "northing": 6510766.4859,
        "existing_z": 196.1798,
        "design_z": 196.0959,
        "delta_z": -0.0839
      },
      {
        "ch": 820.0,
        "easting": 452778.5857,
        "northing": 6510760.834,
        "existing_z": 194.9802,
        "design_z": 195.1787,
        "delta_z": 0.1985
      },
      {
        "ch": 830.0,
        "easting": 452785.8768,
        "northing": 6510754.0048,
        "existing_z": 193.4333,
        "design_z": 194.1596,
        "delta_z": 0.7263
      },
      {
        "ch": 832.0069,
        "easting": 452787.5189,
        "northing": 6510752.8517,
        "existing_z": 193.1148,
        "design_z": 193.9722,
        "delta_z": 0.8574
      },
      {
        "ch": 840.0,
        "easting": 452794.6709,
        "northing": 6510749.3281,
        "existing_z": 191.7867,
        "design_z": 193.283,
        "delta_z": 1.4962
      },
      {
        "ch": 850.0,
        "easting": 452804.4705,
        "northing": 6510747.5465,
        "existing_z": 190.2062,
        "design_z": 192.5489,
        "delta_z": 2.3428
      },
      {
        "ch": 852.0069,
        "easting": 452806.477,
        "northing": 6510747.5578,
        "existing_z": 189.9243,
        "design_z": 192.4188,
        "delta_z": 2.4945
      },
      {
        "ch": 860.0,
        "easting": 452814.4312,
        "northing": 6510748.3306,
        "existing_z": 188.9291,
        "design_z": 191.9119,
        "delta_z": 2.9828
      },
      {
        "ch": 870.0,
        "easting": 452824.176,
        "northing": 6510750.4771,
        "existing_z": 187.865,
        "design_z": 191.2777,
        "delta_z": 3.4127
      },
      {
        "ch": 873.6072,
        "easting": 452827.5357,
        "northing": 6510751.7875,
        "existing_z": 187.5435,
        "design_z": 191.049,
        "delta_z": 3.5055
      },
      {
        "ch": 880.0,
        "easting": 452833.1836,
        "northing": 6510754.7702,
        "existing_z": 187.1244,
        "design_z": 190.6849,
        "delta_z": 3.5605
      },
      {
        "ch": 890.0,
        "easting": 452840.988,
        "northing": 6510760.988,
        "existing_z": 186.7849,
        "design_z": 190.2815,
        "delta_z": 3.4966
      },
      {
        "ch": 900.0,
        "easting": 452848.059,
        "northing": 6510768.059,
        "existing_z": 186.597,
        "design_z": 190.0806,
        "delta_z": 3.4835
      },
      {
        "ch": 907.6439,
        "easting": 452853.464,
        "northing": 6510773.464,
        "existing_z": 186.5282,
        "design_z": 190.0635,
        "delta_z": 3.5353
      },
      {
        "ch": 910.0,
        "easting": 452855.1301,
        "northing": 6510775.1301,
        "existing_z": 186.5202,
        "design_z": 190.0822,
        "delta_z": 3.562
      },
      {
        "ch": 920.0,
        "easting": 452862.1971,
        "northing": 6510782.2052,
        "existing_z": 186.4822,
        "design_z": 190.2863,
        "delta_z": 3.8041
      },
      {
        "ch": 930.0,
        "easting": 452867.1521,
        "northing": 6510790.7826,
        "existing_z": 186.7767,
        "design_z": 190.6929,
        "delta_z": 3.9163
      },
      {
        "ch": 940.0,
        "easting": 452867.6235,
        "northing": 6510800.6771,
        "existing_z": 187.6833,
        "design_z": 191.3021,
        "delta_z": 3.6187
      },
      {
        "ch": 941.6805,
        "easting": 452867.2675,
        "northing": 6510802.3194,
        "existing_z": 187.875,
        "design_z": 191.4243,
        "delta_z": 3.5494
      },
      {
        "ch": 950.0,
        "easting": 452865.1571,
        "northing": 6510810.3591,
        "existing_z": 188.8497,
        "design_z": 192.0437,
        "delta_z": 3.194
      },
      {
        "ch": 960.0,
        "easting": 452860.623,
        "northing": 6510819.2423,
        "existing_z": 190.2053,
        "design_z": 192.7882,
        "delta_z": 2.5828
      },
      {
        "ch": 960.833,
        "easting": 452860.1465,
        "northing": 6510819.9255,
        "existing_z": 190.3214,
        "design_z": 192.8502,
        "delta_z": 2.5287
      },
      {
        "ch": 970.0,
        "easting": 452854.0695,
        "northing": 6510826.7701,
        "existing_z": 191.6041,
        "design_z": 193.6026,
        "delta_z": 1.9985
      },
      {
        "ch": 980.0,
        "easting": 452846.9983,
        "northing": 6510833.841,
        "existing_z": 193.1254,
        "design_z": 194.5832,
        "delta_z": 1.4578
      },
      {
        "ch": 983.2808,
        "easting": 452844.6783,
        "northing": 6510836.1609,
        "existing_z": 193.6638,
        "design_z": 194.9413,
        "delta_z": 1.2774
      },
      {
        "ch": 990.0,
        "easting": 452839.927,
        "northing": 6510840.9119,
        "existing_z": 194.7589,
        "design_z": 195.7305,
        "delta_z": 0.9716
      },
      {
        "ch": 1000.0,
        "easting": 452832.8558,
        "northing": 6510847.9828,
        "existing_z": 196.3695,
        "design_z": 197.0444,
        "delta_z": 0.6748
      },
      {
        "ch": 1005.7287,
        "easting": 452828.805,
        "northing": 6510852.0335,
        "existing_z": 197.2972,
        "design_z": 197.8722,
        "delta_z": 0.5749
      },
      {
        "ch": 1010.0,
        "easting": 452825.7846,
        "northing": 6510855.0538,
        "existing_z": 198.0058,
        "design_z": 198.5098,
        "delta_z": 0.5039
      },
      {
        "ch": 1020.0,
        "easting": 452818.7134,
        "northing": 6510862.1247,
        "existing_z": 199.632,
        "design_z": 200.0025,
        "delta_z": 0.3705
      },
      {
        "ch": 1030.0,
        "easting": 452811.6422,
        "northing": 6510869.1956,
        "existing_z": 201.2122,
        "design_z": 201.4952,
        "delta_z": 0.283
      },
      {
        "ch": 1038.9178,
        "easting": 452805.3362,
        "northing": 6510875.5013,
        "existing_z": 202.5937,
        "design_z": 202.8264,
        "delta_z": 0.2327
      },
      {
        "ch": 1040.0,
        "easting": 452804.5709,
        "northing": 6510876.2665,
        "existing_z": 202.7601,
        "design_z": 202.9882,
        "delta_z": 0.2281
      },
      {
        "ch": 1050.0,
        "easting": 452797.4997,
        "northing": 6510883.3374,
        "existing_z": 204.2774,
        "design_z": 204.5058,
        "delta_z": 0.2284
      },
      {
        "ch": 1058.9178,
        "easting": 452791.1937,
        "northing": 6510889.6432,
        "existing_z": 205.5997,
        "design_z": 205.8936,
        "delta_z": 0.2939
      },
      {
        "ch": 1060.0,
        "easting": 452790.4285,
        "northing": 6510890.4083,
        "existing_z": 205.7607,
        "design_z": 206.0642,
        "delta_z": 0.3035
      },
      {
        "ch": 1070.0,
        "easting": 452783.3573,
        "northing": 6510897.4793,
        "existing_z": 207.3159,
        "design_z": 207.6636,
        "delta_z": 0.3477
      },
      {
        "ch": 1078.9178,
        "easting": 452777.0513,
        "northing": 6510903.785,
        "existing_z": 208.6977,
        "design_z": 209.1243,
        "delta_z": 0.4266
      },
      {
        "ch": 1080.0,
        "easting": 452776.2861,
        "northing": 6510904.5502,
        "existing_z": 208.8648,
        "design_z": 209.3035,
        "delta_z": 0.4387
      },
      {
        "ch": 1090.0,
        "easting": 452769.2148,
        "northing": 6510911.6211,
        "existing_z": 210.4368,
        "design_z": 210.9598,
        "delta_z": 0.523
      },
      {
        "ch": 1100.0,
        "easting": 452762.1436,
        "northing": 6510918.692,
        "existing_z": 212.206,
        "design_z": 212.616,
        "delta_z": 0.41
      },
      {
        "ch": 1110.0,
        "easting": 452755.0724,
        "northing": 6510925.7629,
        "existing_z": 214.0048,
        "design_z": 214.2722,
        "delta_z": 0.2674
      },
      {
        "ch": 1114.5548,
        "easting": 452751.8516,
        "northing": 6510928.9836,
        "existing_z": 214.8339,
        "design_z": 215.0266,
        "delta_z": 0.1927
      },
      {
        "ch": 1120.0,
        "easting": 452748.0012,
        "northing": 6510932.8338,
        "existing_z": 215.8704,
        "design_z": 215.9183,
        "delta_z": 0.0479
      },
      {
        "ch": 1130.0,
        "easting": 452740.93,
        "northing": 6510939.9048,
        "existing_z": 217.8431,
        "design_z": 217.5028,
        "delta_z": -0.3403
      },
      {
        "ch": 1134.5548,
        "easting": 452737.7091,
        "northing": 6510943.1254,
        "existing_z": 218.7412,
        "design_z": 218.2017,
        "delta_z": -0.5395
      },
      {
        "ch": 1140.0,
        "easting": 452733.8587,
        "northing": 6510946.9757,
        "existing_z": 219.8147,
        "design_z": 219.0186,
        "delta_z": -0.7962
      },
      {
        "ch": 1150.0,
        "easting": 452726.7875,
        "northing": 6510954.0466,
        "existing_z": 221.6171,
        "design_z": 220.4657,
        "delta_z": -1.1514
      },
      {
        "ch": 1154.5548,
        "easting": 452723.5667,
        "northing": 6510957.2673,
        "existing_z": 222.3633,
        "design_z": 221.1021,
        "delta_z": -1.2612
      },
      {
        "ch": 1160.0,
        "easting": 452719.7163,
        "northing": 6510961.1175,
        "existing_z": 223.2547,
        "design_z": 221.8543,
        "delta_z": -1.4004
      },
      {
        "ch": 1170.0,
        "easting": 452712.6451,
        "northing": 6510968.1884,
        "existing_z": 224.8902,
        "design_z": 223.2358,
        "delta_z": -1.6544
      },
      {
        "ch": 1180.0,
        "easting": 452705.5739,
        "northing": 6510975.2593,
        "existing_z": 226.217,
        "design_z": 224.6173,
        "delta_z": -1.5997
      },
      {
        "ch": 1190.0,
        "easting": 452698.5026,
        "northing": 6510982.3303,
        "existing_z": 227.3979,
        "design_z": 225.9988,
        "delta_z": -1.3991
      },
      {
        "ch": 1190.1918,
        "easting": 452698.367,
        "northing": 6510982.4659,
        "existing_z": 227.4207,
        "design_z": 226.0253,
        "delta_z": -1.3954
      },
      {
        "ch": 1200.0,
        "easting": 452691.4314,
        "northing": 6510989.4012,
        "existing_z": 228.5953,
        "design_z": 227.3277,
        "delta_z": -1.2676
      },
      {
        "ch": 1210.0,
        "easting": 452684.3602,
        "northing": 6510996.4721,
        "existing_z": 229.5577,
        "design_z": 228.5472,
        "delta_z": -1.0105
      },
      {
        "ch": 1210.1918,
        "easting": 452684.2246,
        "northing": 6510996.6077,
        "existing_z": 229.5754,
        "design_z": 228.5695,
        "delta_z": -1.0059
      },
      {
        "ch": 1220.0,
        "easting": 452677.289,
        "northing": 6511003.543,
        "existing_z": 230.4906,
        "design_z": 229.6573,
        "delta_z": -0.8333
      },
      {
        "ch": 1230.0,
        "easting": 452670.2178,
        "northing": 6511010.6139,
        "existing_z": 231.4393,
        "design_z": 230.658,
        "delta_z": -0.7813
      },
      {
        "ch": 1230.1918,
        "easting": 452670.0821,
        "northing": 6511010.7496,
        "existing_z": 231.4569,
        "design_z": 230.6761,
        "delta_z": -0.7807
      },
      {
        "ch": 1240.0,
        "easting": 452663.1466,
        "northing": 6511017.6848,
        "existing_z": 232.2444,
        "design_z": 231.602,
        "delta_z": -0.6424
      },
      {
        "ch": 1250.0,
        "easting": 452656.0753,
        "northing": 6511024.7558,
        "existing_z": 233.0659,
        "design_z": 232.5459,
        "delta_z": -0.5201
      },
      {
        "ch": 1260.0,
        "easting": 452649.0041,
        "northing": 6511031.8267,
        "existing_z": 233.8929,
        "design_z": 233.4898,
        "delta_z": -0.4031
      },
      {
        "ch": 1270.0,
        "easting": 452641.9329,
        "northing": 6511038.8976,
        "existing_z": 234.6581,
        "design_z": 234.4337,
        "delta_z": -0.2244
      },
      {
        "ch": 1280.0,
        "easting": 452634.8617,
        "northing": 6511045.9685,
        "existing_z": 235.4523,
        "design_z": 235.3776,
        "delta_z": -0.0747
      },
      {
        "ch": 1285.8288,
        "easting": 452630.74,
        "northing": 6511050.09,
        "existing_z": 235.9278,
        "design_z": 235.9278,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD238",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 26.792,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.63,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450570.0,
          6510999.33
        ],
        "end": [
          450595.87895235297,
          6510992.396089945
        ],
        "chainage_start": 0,
        "length": 26.79177641626874
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450570.0,
        "northing": 6510999.33,
        "existing_z": 179.3937,
        "design_z": 179.3937,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450579.6593,
        "northing": 6510996.7419,
        "existing_z": 178.6128,
        "design_z": 178.631,
        "delta_z": 0.0182
      },
      {
        "ch": 20.0,
        "easting": 450589.3186,
        "northing": 6510994.1539,
        "existing_z": 177.8386,
        "design_z": 177.8683,
        "delta_z": 0.0297
      },
      {
        "ch": 26.7918,
        "easting": 450595.879,
        "northing": 6510992.3961,
        "existing_z": 177.3503,
        "design_z": 177.3503,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD239",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 26.789,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.03,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451370.0,
          6510999.33
        ],
        "end": [
          451395.87624646304,
          6510992.396531169
        ],
        "chainage_start": 0,
        "length": 26.78904852814605
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451370.0,
        "northing": 6510999.33,
        "existing_z": 208.7831,
        "design_z": 208.7831,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451379.6593,
        "northing": 6510996.7418,
        "existing_z": 208.5533,
        "design_z": 208.4804,
        "delta_z": -0.0729
      },
      {
        "ch": 20.0,
        "easting": 451389.3185,
        "northing": 6510994.1537,
        "existing_z": 208.2764,
        "design_z": 208.1776,
        "delta_z": -0.0988
      },
      {
        "ch": 26.789,
        "easting": 451395.8762,
        "northing": 6510992.3965,
        "existing_z": 207.9721,
        "design_z": 207.9721,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD240",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 270.12,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 16.35,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449790.0,
          6511000.12
        ],
        "end": [
          450060.1200000001,
          6511000.12
        ],
        "chainage_start": 0,
        "length": 270.12000000011176
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 67.53000000002794,
        "pvi_z": 196.99027914316213,
        "bvc": 47.53000000002794,
        "evc": 87.53000000002794,
        "length": 40.0,
        "g1": 0.14904714972734562,
        "g2": 0.16346411684541562,
        "z_bvc": 194.0093361486152,
        "K_m_per_percent": 27.745086516750547
      },
      {
        "pvi_ch": 135.06000000005588,
        "pvi_z": 208.0290109537376,
        "bvc": 115.06000000005588,
        "evc": 155.06000000005588,
        "length": 40.0,
        "g1": 0.16346411684541562,
        "g2": 0.13443414215902963,
        "z_bvc": 204.7597286168293,
        "K_m_per_percent": 13.778861480977644
      },
      {
        "pvi_ch": 202.59000000008382,
        "pvi_z": 217.10734857374064,
        "bvc": 182.59000000008382,
        "evc": 222.59000000008382,
        "length": 40.0,
        "g1": 0.13443414215902963,
        "g2": 0.11968304611269649,
        "z_bvc": 214.41866573056004,
        "K_m_per_percent": 27.116629079195302
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449790.0,
        "northing": 6511000.12,
        "existing_z": 186.9251,
        "design_z": 186.9251,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449800.0,
        "northing": 6511000.12,
        "existing_z": 188.2817,
        "design_z": 188.4156,
        "delta_z": 0.1339
      },
      {
        "ch": 20.0,
        "easting": 449810.0,
        "northing": 6511000.12,
        "existing_z": 189.6383,
        "design_z": 189.9061,
        "delta_z": 0.2678
      },
      {
        "ch": 30.0,
        "easting": 449820.0,
        "northing": 6511000.12,
        "existing_z": 191.0385,
        "design_z": 191.3965,
        "delta_z": 0.358
      },
      {
        "ch": 40.0,
        "easting": 449830.0,
        "northing": 6511000.12,
        "existing_z": 192.4387,
        "design_z": 192.887,
        "delta_z": 0.4483
      },
      {
        "ch": 47.53,
        "easting": 449837.53,
        "northing": 6511000.12,
        "existing_z": 193.5354,
        "design_z": 194.0093,
        "delta_z": 0.474
      },
      {
        "ch": 50.0,
        "easting": 449840.0,
        "northing": 6511000.12,
        "existing_z": 193.8951,
        "design_z": 194.3786,
        "delta_z": 0.4835
      },
      {
        "ch": 60.0,
        "easting": 449850.0,
        "northing": 6511000.12,
        "existing_z": 195.3515,
        "design_z": 195.896,
        "delta_z": 0.5445
      },
      {
        "ch": 67.53,
        "easting": 449857.53,
        "northing": 6511000.12,
        "existing_z": 196.5655,
        "design_z": 197.0624,
        "delta_z": 0.4968
      },
      {
        "ch": 70.0,
        "easting": 449860.0,
        "northing": 6511000.12,
        "existing_z": 196.9638,
        "design_z": 197.4494,
        "delta_z": 0.4857
      },
      {
        "ch": 80.0,
        "easting": 449870.0,
        "northing": 6511000.12,
        "existing_z": 198.576,
        "design_z": 199.0389,
        "delta_z": 0.4629
      },
      {
        "ch": 87.53,
        "easting": 449877.53,
        "northing": 6511000.12,
        "existing_z": 199.9469,
        "design_z": 200.2596,
        "delta_z": 0.3127
      },
      {
        "ch": 90.0,
        "easting": 449880.0,
        "northing": 6511000.12,
        "existing_z": 200.3966,
        "design_z": 200.6633,
        "delta_z": 0.2667
      },
      {
        "ch": 100.0,
        "easting": 449890.0,
        "northing": 6511000.12,
        "existing_z": 202.2171,
        "design_z": 202.298,
        "delta_z": 0.0808
      },
      {
        "ch": 110.0,
        "easting": 449900.0,
        "northing": 6511000.12,
        "existing_z": 204.1329,
        "design_z": 203.9326,
        "delta_z": -0.2003
      },
      {
        "ch": 115.06,
        "easting": 449905.06,
        "northing": 6511000.12,
        "existing_z": 205.1023,
        "design_z": 204.7597,
        "delta_z": -0.3426
      },
      {
        "ch": 120.0,
        "easting": 449910.0,
        "northing": 6511000.12,
        "existing_z": 206.0487,
        "design_z": 205.5584,
        "delta_z": -0.4904
      },
      {
        "ch": 130.0,
        "easting": 449920.0,
        "northing": 6511000.12,
        "existing_z": 207.7432,
        "design_z": 207.1209,
        "delta_z": -0.6223
      },
      {
        "ch": 135.06,
        "easting": 449925.06,
        "northing": 6511000.12,
        "existing_z": 208.6006,
        "design_z": 207.8839,
        "delta_z": -0.7167
      },
      {
        "ch": 140.0,
        "easting": 449930.0,
        "northing": 6511000.12,
        "existing_z": 209.4377,
        "design_z": 208.6108,
        "delta_z": -0.8268
      },
      {
        "ch": 150.0,
        "easting": 449940.0,
        "northing": 6511000.12,
        "existing_z": 210.841,
        "design_z": 210.0282,
        "delta_z": -0.8128
      },
      {
        "ch": 155.06,
        "easting": 449945.06,
        "northing": 6511000.12,
        "existing_z": 211.551,
        "design_z": 210.7177,
        "delta_z": -0.8333
      },
      {
        "ch": 160.0,
        "easting": 449950.0,
        "northing": 6511000.12,
        "existing_z": 212.2443,
        "design_z": 211.3818,
        "delta_z": -0.8625
      },
      {
        "ch": 170.0,
        "easting": 449960.0,
        "northing": 6511000.12,
        "existing_z": 213.4169,
        "design_z": 212.7261,
        "delta_z": -0.6907
      },
      {
        "ch": 180.0,
        "easting": 449970.0,
        "northing": 6511000.12,
        "existing_z": 214.5895,
        "design_z": 214.0705,
        "delta_z": -0.519
      },
      {
        "ch": 182.59,
        "easting": 449972.59,
        "northing": 6511000.12,
        "existing_z": 214.8915,
        "design_z": 214.4187,
        "delta_z": -0.4729
      },
      {
        "ch": 190.0,
        "easting": 449980.0,
        "northing": 6511000.12,
        "existing_z": 215.7557,
        "design_z": 215.4047,
        "delta_z": -0.351
      },
      {
        "ch": 200.0,
        "easting": 449990.0,
        "northing": 6511000.12,
        "existing_z": 216.9219,
        "design_z": 216.7033,
        "delta_z": -0.2186
      },
      {
        "ch": 202.59,
        "easting": 449992.59,
        "northing": 6511000.12,
        "existing_z": 217.2614,
        "design_z": 217.0336,
        "delta_z": -0.2278
      },
      {
        "ch": 210.0,
        "easting": 450000.0,
        "northing": 6511000.12,
        "existing_z": 218.2326,
        "design_z": 217.965,
        "delta_z": -0.2676
      },
      {
        "ch": 220.0,
        "easting": 450010.0,
        "northing": 6511000.12,
        "existing_z": 219.5433,
        "design_z": 219.1898,
        "delta_z": -0.3535
      },
      {
        "ch": 222.59,
        "easting": 450012.59,
        "northing": 6511000.12,
        "existing_z": 219.8681,
        "design_z": 219.501,
        "delta_z": -0.3671
      },
      {
        "ch": 230.0,
        "easting": 450020.0,
        "northing": 6511000.12,
        "existing_z": 220.7974,
        "design_z": 220.3879,
        "delta_z": -0.4095
      },
      {
        "ch": 240.0,
        "easting": 450030.0,
        "northing": 6511000.12,
        "existing_z": 222.0515,
        "design_z": 221.5847,
        "delta_z": -0.4668
      },
      {
        "ch": 250.0,
        "easting": 450040.0,
        "northing": 6511000.12,
        "existing_z": 223.0901,
        "design_z": 222.7815,
        "delta_z": -0.3086
      },
      {
        "ch": 260.0,
        "easting": 450050.0,
        "northing": 6511000.12,
        "existing_z": 224.1288,
        "design_z": 223.9784,
        "delta_z": -0.1504
      },
      {
        "ch": 270.0,
        "easting": 450060.0,
        "northing": 6511000.12,
        "existing_z": 225.177,
        "design_z": 225.1752,
        "delta_z": -0.0018
      },
      {
        "ch": 270.12,
        "easting": 450060.12,
        "northing": 6511000.12,
        "existing_z": 225.1895,
        "design_z": 225.1895,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD241",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 40.0,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.09,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450060.1200000001,
          6511000.12
        ],
        "end": [
          450100.1200000001,
          6511000.12
        ],
        "chainage_start": 0,
        "length": 40.0
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450060.12,
        "northing": 6511000.12,
        "existing_z": 225.1895,
        "design_z": 225.1895,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450070.12,
        "northing": 6511000.12,
        "existing_z": 226.2402,
        "design_z": 226.3989,
        "delta_z": 0.1587
      },
      {
        "ch": 20.0,
        "easting": 450080.12,
        "northing": 6511000.12,
        "existing_z": 227.4894,
        "design_z": 227.6082,
        "delta_z": 0.1188
      },
      {
        "ch": 30.0,
        "easting": 450090.12,
        "northing": 6511000.12,
        "existing_z": 228.7391,
        "design_z": 228.8176,
        "delta_z": 0.0785
      },
      {
        "ch": 40.0,
        "easting": 450100.12,
        "northing": 6511000.12,
        "existing_z": 230.0269,
        "design_z": 230.0269,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD242",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 59.88,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.57,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450100.1200000001,
          6511000.12
        ],
        "end": [
          450160.0,
          6511000.12
        ],
        "chainage_start": 0,
        "length": 59.87999999988824
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450100.12,
        "northing": 6511000.12,
        "existing_z": 230.0269,
        "design_z": 230.0269,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450110.12,
        "northing": 6511000.12,
        "existing_z": 231.3093,
        "design_z": 230.4841,
        "delta_z": -0.8252
      },
      {
        "ch": 20.0,
        "easting": 450120.12,
        "northing": 6511000.12,
        "existing_z": 232.1474,
        "design_z": 230.9412,
        "delta_z": -1.2062
      },
      {
        "ch": 30.0,
        "easting": 450130.12,
        "northing": 6511000.12,
        "existing_z": 232.9773,
        "design_z": 231.3984,
        "delta_z": -1.579
      },
      {
        "ch": 40.0,
        "easting": 450140.12,
        "northing": 6511000.12,
        "existing_z": 233.1322,
        "design_z": 231.8555,
        "delta_z": -1.2767
      },
      {
        "ch": 50.0,
        "easting": 450150.12,
        "northing": 6511000.12,
        "existing_z": 233.279,
        "design_z": 232.3127,
        "delta_z": -0.9664
      },
      {
        "ch": 59.88,
        "easting": 450160.0,
        "northing": 6511000.12,
        "existing_z": 232.7644,
        "design_z": 232.7644,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD243",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 380.0,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 17.86,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450160.0,
          6511000.12
        ],
        "end": [
          450540.0,
          6511000.12
        ],
        "chainage_start": 0,
        "length": 380.0
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 76.0,
        "pvi_z": 223.71958651069107,
        "bvc": 56.0,
        "evc": 96.0,
        "length": 40.0,
        "g1": -0.11901015802390447,
        "g2": -0.12819538118487822,
        "z_bvc": 226.09978967116916,
        "K_m_per_percent": 43.54820704841696
      },
      {
        "pvi_ch": 152.0,
        "pvi_z": 213.97673754064033,
        "bvc": 132.0,
        "evc": 172.0,
        "length": 40.0,
        "g1": -0.12819538118487822,
        "g2": -0.16215674843190778,
        "z_bvc": 216.5406451643379,
        "K_m_per_percent": 11.77808882341114
      },
      {
        "pvi_ch": 228.0,
        "pvi_z": 201.65282465981534,
        "bvc": 208.0,
        "evc": 248.0,
        "length": 40.0,
        "g1": -0.16215674843190778,
        "g2": -0.17861589341529494,
        "z_bvc": 204.89595962845348,
        "K_m_per_percent": 24.302598974839533
      },
      {
        "pvi_ch": 304.0,
        "pvi_z": 188.07801676025292,
        "bvc": 279.1737471667368,
        "evc": 328.8262528332632,
        "length": 49.65250566652642,
        "g1": -0.17861589341529494,
        "g2": -0.09586171730441756,
        "z_bvc": 192.51238009022023,
        "K_m_per_percent": 6.0
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450160.0,
        "northing": 6511000.12,
        "existing_z": 232.7644,
        "design_z": 232.7644,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450170.0,
        "northing": 6511000.12,
        "existing_z": 232.2434,
        "design_z": 231.5743,
        "delta_z": -0.6692
      },
      {
        "ch": 20.0,
        "easting": 450180.0,
        "northing": 6511000.12,
        "existing_z": 231.2366,
        "design_z": 230.3842,
        "delta_z": -0.8524
      },
      {
        "ch": 30.0,
        "easting": 450190.0,
        "northing": 6511000.12,
        "existing_z": 230.2297,
        "design_z": 229.1941,
        "delta_z": -1.0356
      },
      {
        "ch": 40.0,
        "easting": 450200.0,
        "northing": 6511000.12,
        "existing_z": 228.9247,
        "design_z": 228.004,
        "delta_z": -0.9207
      },
      {
        "ch": 50.0,
        "easting": 450210.0,
        "northing": 6511000.12,
        "existing_z": 227.6197,
        "design_z": 226.8139,
        "delta_z": -0.8059
      },
      {
        "ch": 56.0,
        "easting": 450216.0,
        "northing": 6511000.12,
        "existing_z": 226.7409,
        "design_z": 226.0998,
        "delta_z": -0.6411
      },
      {
        "ch": 60.0,
        "easting": 450220.0,
        "northing": 6511000.12,
        "existing_z": 226.1551,
        "design_z": 225.6219,
        "delta_z": -0.5331
      },
      {
        "ch": 70.0,
        "easting": 450230.0,
        "northing": 6511000.12,
        "existing_z": 224.6904,
        "design_z": 224.4111,
        "delta_z": -0.2792
      },
      {
        "ch": 76.0,
        "easting": 450236.0,
        "northing": 6511000.12,
        "existing_z": 223.8179,
        "design_z": 223.6737,
        "delta_z": -0.1442
      },
      {
        "ch": 80.0,
        "easting": 450240.0,
        "northing": 6511000.12,
        "existing_z": 223.2362,
        "design_z": 223.1774,
        "delta_z": -0.0588
      },
      {
        "ch": 90.0,
        "easting": 450250.0,
        "northing": 6511000.12,
        "existing_z": 221.782,
        "design_z": 221.9207,
        "delta_z": 0.1387
      },
      {
        "ch": 96.0,
        "easting": 450256.0,
        "northing": 6511000.12,
        "existing_z": 221.0201,
        "design_z": 221.1557,
        "delta_z": 0.1356
      },
      {
        "ch": 100.0,
        "easting": 450260.0,
        "northing": 6511000.12,
        "existing_z": 220.5121,
        "design_z": 220.6429,
        "delta_z": 0.1308
      },
      {
        "ch": 110.0,
        "easting": 450270.0,
        "northing": 6511000.12,
        "existing_z": 219.2422,
        "design_z": 219.3609,
        "delta_z": 0.1188
      },
      {
        "ch": 120.0,
        "easting": 450280.0,
        "northing": 6511000.12,
        "existing_z": 218.0921,
        "design_z": 218.079,
        "delta_z": -0.0132
      },
      {
        "ch": 130.0,
        "easting": 450290.0,
        "northing": 6511000.12,
        "existing_z": 216.9421,
        "design_z": 216.797,
        "delta_z": -0.1451
      },
      {
        "ch": 132.0,
        "easting": 450292.0,
        "northing": 6511000.12,
        "existing_z": 216.7181,
        "design_z": 216.5406,
        "delta_z": -0.1774
      },
      {
        "ch": 140.0,
        "easting": 450300.0,
        "northing": 6511000.12,
        "existing_z": 215.8221,
        "design_z": 215.4879,
        "delta_z": -0.3342
      },
      {
        "ch": 150.0,
        "easting": 450310.0,
        "northing": 6511000.12,
        "existing_z": 214.702,
        "design_z": 214.0956,
        "delta_z": -0.6064
      },
      {
        "ch": 152.0,
        "easting": 450312.0,
        "northing": 6511000.12,
        "existing_z": 214.4727,
        "design_z": 213.8069,
        "delta_z": -0.6658
      },
      {
        "ch": 160.0,
        "easting": 450320.0,
        "northing": 6511000.12,
        "existing_z": 213.5554,
        "design_z": 212.6184,
        "delta_z": -0.937
      },
      {
        "ch": 170.0,
        "easting": 450330.0,
        "northing": 6511000.12,
        "existing_z": 212.4088,
        "design_z": 211.0562,
        "delta_z": -1.3525
      },
      {
        "ch": 172.0,
        "easting": 450332.0,
        "northing": 6511000.12,
        "existing_z": 212.143,
        "design_z": 210.7336,
        "delta_z": -1.4094
      },
      {
        "ch": 180.0,
        "easting": 450340.0,
        "northing": 6511000.12,
        "existing_z": 211.0798,
        "design_z": 209.4363,
        "delta_z": -1.6435
      },
      {
        "ch": 190.0,
        "easting": 450350.0,
        "northing": 6511000.12,
        "existing_z": 209.7509,
        "design_z": 207.8148,
        "delta_z": -1.9361
      },
      {
        "ch": 200.0,
        "easting": 450360.0,
        "northing": 6511000.12,
        "existing_z": 208.0279,
        "design_z": 206.1932,
        "delta_z": -1.8346
      },
      {
        "ch": 208.0,
        "easting": 450368.0,
        "northing": 6511000.12,
        "existing_z": 206.6494,
        "design_z": 204.896,
        "delta_z": -1.7534
      },
      {
        "ch": 210.0,
        "easting": 450370.0,
        "northing": 6511000.12,
        "existing_z": 206.3048,
        "design_z": 204.5708,
        "delta_z": -1.734
      },
      {
        "ch": 220.0,
        "easting": 450380.0,
        "northing": 6511000.12,
        "existing_z": 204.0715,
        "design_z": 202.9205,
        "delta_z": -1.151
      },
      {
        "ch": 228.0,
        "easting": 450388.0,
        "northing": 6511000.12,
        "existing_z": 202.2848,
        "design_z": 201.5705,
        "delta_z": -0.7143
      },
      {
        "ch": 230.0,
        "easting": 450390.0,
        "northing": 6511000.12,
        "existing_z": 201.8381,
        "design_z": 201.2289,
        "delta_z": -0.6092
      },
      {
        "ch": 240.0,
        "easting": 450400.0,
        "northing": 6511000.12,
        "existing_z": 199.3549,
        "design_z": 199.4963,
        "delta_z": 0.1414
      },
      {
        "ch": 248.0,
        "easting": 450408.0,
        "northing": 6511000.12,
        "existing_z": 197.3683,
        "design_z": 198.0805,
        "delta_z": 0.7123
      },
      {
        "ch": 250.0,
        "easting": 450410.0,
        "northing": 6511000.12,
        "existing_z": 196.8716,
        "design_z": 197.7233,
        "delta_z": 0.8517
      },
      {
        "ch": 260.0,
        "easting": 450420.0,
        "northing": 6511000.12,
        "existing_z": 194.5527,
        "design_z": 195.9371,
        "delta_z": 1.3844
      },
      {
        "ch": 270.0,
        "easting": 450430.0,
        "northing": 6511000.12,
        "existing_z": 192.2339,
        "design_z": 194.151,
        "delta_z": 1.9171
      },
      {
        "ch": 279.1737,
        "easting": 450439.1737,
        "northing": 6511000.12,
        "existing_z": 190.4671,
        "design_z": 192.5124,
        "delta_z": 2.0453
      },
      {
        "ch": 280.0,
        "easting": 450440.0,
        "northing": 6511000.12,
        "existing_z": 190.3079,
        "design_z": 192.3654,
        "delta_z": 2.0574
      },
      {
        "ch": 290.0,
        "easting": 450450.0,
        "northing": 6511000.12,
        "existing_z": 188.382,
        "design_z": 190.6763,
        "delta_z": 2.2943
      },
      {
        "ch": 300.0,
        "easting": 450460.0,
        "northing": 6511000.12,
        "existing_z": 186.8793,
        "design_z": 189.1539,
        "delta_z": 2.2746
      },
      {
        "ch": 304.0,
        "easting": 450464.0,
        "northing": 6511000.12,
        "existing_z": 186.2783,
        "design_z": 188.5916,
        "delta_z": 2.3133
      },
      {
        "ch": 310.0,
        "easting": 450470.0,
        "northing": 6511000.12,
        "existing_z": 185.3767,
        "design_z": 187.7982,
        "delta_z": 2.4215
      },
      {
        "ch": 320.0,
        "easting": 450480.0,
        "northing": 6511000.12,
        "existing_z": 184.3344,
        "design_z": 186.6091,
        "delta_z": 2.2748
      },
      {
        "ch": 328.8263,
        "easting": 450488.8263,
        "northing": 6511000.12,
        "existing_z": 183.4144,
        "design_z": 185.6981,
        "delta_z": 2.2837
      },
      {
        "ch": 330.0,
        "easting": 450490.0,
        "northing": 6511000.12,
        "existing_z": 183.2921,
        "design_z": 185.5856,
        "delta_z": 2.2936
      },
      {
        "ch": 340.0,
        "easting": 450500.0,
        "northing": 6511000.12,
        "existing_z": 182.6559,
        "design_z": 184.627,
        "delta_z": 1.9711
      },
      {
        "ch": 350.0,
        "easting": 450510.0,
        "northing": 6511000.12,
        "existing_z": 182.0196,
        "design_z": 183.6684,
        "delta_z": 1.6487
      },
      {
        "ch": 360.0,
        "easting": 450520.0,
        "northing": 6511000.12,
        "existing_z": 181.5918,
        "design_z": 182.7098,
        "delta_z": 1.118
      },
      {
        "ch": 370.0,
        "easting": 450530.0,
        "northing": 6511000.12,
        "existing_z": 181.164,
        "design_z": 181.7511,
        "delta_z": 0.5872
      },
      {
        "ch": 380.0,
        "easting": 450540.0,
        "northing": 6511000.12,
        "existing_z": 180.7925,
        "design_z": 180.7925,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD244",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 108.835,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 9.12,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451974.9288366458,
          6511044.299332693
        ],
        "end": [
          451960.4701113912,
          6511036.005719732
        ],
        "chainage_start": 0,
        "length": 16.668495791314314
      },
      {
        "type": "ARC",
        "centre": [
          451970.97798173985,
          6511017.686754152
        ],
        "radius": 21.118708274115498,
        "start_angle_rad": 2.0915824205923155,
        "sweep_rad": 1.0384676107700208,
        "start": [
          451960.4701113912,
          6511036.005719732
        ],
        "end": [
          451949.8606802954,
          6511017.930514011
        ],
        "chainage_start": 16.668495791314314,
        "length": 21.93109452396979,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451949.8606802953,
          6511017.930514011
        ],
        "end": [
          451949.05,
          6510947.7
        ],
        "chainage_start": 38.599590315284104,
        "length": 70.23519275055973
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 54.41739153292192,
        "pvi_z": 205.54666174011413,
        "bvc": 34.41739153292192,
        "evc": 74.41739153292193,
        "length": 40.0,
        "g1": -0.09118137647558644,
        "g2": -0.05031324223924071,
        "z_bvc": 207.37028926962586,
        "K_m_per_percent": 9.787576738559878
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451974.9288,
        "northing": 6511044.2993,
        "existing_z": 210.5085,
        "design_z": 210.5085,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451966.2546,
        "northing": 6511039.3237,
        "existing_z": 208.9144,
        "design_z": 209.5967,
        "delta_z": 0.6823
      },
      {
        "ch": 20.0,
        "easting": 451957.7227,
        "northing": 6511034.1275,
        "existing_z": 207.3221,
        "design_z": 208.6849,
        "delta_z": 1.3628
      },
      {
        "ch": 30.0,
        "easting": 451951.6839,
        "northing": 6511026.2739,
        "existing_z": 206.0812,
        "design_z": 207.7731,
        "delta_z": 1.6919
      },
      {
        "ch": 34.4174,
        "easting": 451950.3214,
        "northing": 6511022.0804,
        "existing_z": 205.7243,
        "design_z": 207.3703,
        "delta_z": 1.646
      },
      {
        "ch": 40.0,
        "easting": 451949.8445,
        "northing": 6511016.5302,
        "existing_z": 205.4772,
        "design_z": 206.8772,
        "delta_z": 1.4
      },
      {
        "ch": 50.0,
        "easting": 451949.7291,
        "northing": 6511006.5309,
        "existing_z": 205.1436,
        "design_z": 206.0735,
        "delta_z": 0.9299
      },
      {
        "ch": 54.4174,
        "easting": 451949.6781,
        "northing": 6511002.1138,
        "existing_z": 204.9835,
        "design_z": 205.751,
        "delta_z": 0.7675
      },
      {
        "ch": 60.0,
        "easting": 451949.6137,
        "northing": 6510996.5315,
        "existing_z": 204.7813,
        "design_z": 205.372,
        "delta_z": 0.5906
      },
      {
        "ch": 70.0,
        "easting": 451949.4982,
        "northing": 6510986.5322,
        "existing_z": 204.4086,
        "design_z": 204.7726,
        "delta_z": 0.364
      },
      {
        "ch": 74.4174,
        "easting": 451949.4473,
        "northing": 6510982.1151,
        "existing_z": 204.2352,
        "design_z": 204.5404,
        "delta_z": 0.3052
      },
      {
        "ch": 80.0,
        "easting": 451949.3828,
        "northing": 6510976.5329,
        "existing_z": 204.0162,
        "design_z": 204.2595,
        "delta_z": 0.2434
      },
      {
        "ch": 90.0,
        "easting": 451949.2674,
        "northing": 6510966.5335,
        "existing_z": 203.6115,
        "design_z": 203.7564,
        "delta_z": 0.1448
      },
      {
        "ch": 100.0,
        "easting": 451949.152,
        "northing": 6510956.5342,
        "existing_z": 203.1834,
        "design_z": 203.2533,
        "delta_z": 0.0698
      },
      {
        "ch": 108.8348,
        "easting": 451949.05,
        "northing": 6510947.7,
        "existing_z": 202.8087,
        "design_z": 202.8087,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD245",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 19.732,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 2.64,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449790.0,
          6511000.12
        ],
        "end": [
          449784.2,
          6511000.12
        ],
        "chainage_start": 0,
        "length": 5.7999999999883585
      },
      {
        "type": "ARC",
        "centre": [
          449784.2,
          6511001.844864716
        ],
        "radius": 1.7248647156948225,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": -2.362230634191717,
        "start": [
          449784.2,
          6511000.12
        ],
        "end": [
          449782.98772070213,
          6511003.071868054
        ],
        "chainage_start": 5.7999999999883585,
        "length": 4.0745282712506965,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449782.98772070213,
          6511003.071868054
        ],
        "end": [
          449790.0,
          6511010.0
        ],
        "chainage_start": 9.874528271239054,
        "length": 9.85753890266135
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449790.0,
        "northing": 6511000.12,
        "existing_z": 186.9251,
        "design_z": 186.9251,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449783.077,
        "northing": 6511003.1601,
        "existing_z": 185.9465,
        "design_z": 186.6609,
        "delta_z": 0.7144
      },
      {
        "ch": 19.7321,
        "easting": 449790.0,
        "northing": 6511010.0,
        "existing_z": 186.4037,
        "design_z": 186.4037,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD246",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 233.168,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.16,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450770.4600837586,
          6511049.150312485
        ],
        "end": [
          450875.9300156559,
          6511020.890426426
        ],
        "chainage_start": 0,
        "length": 109.1903278431177
      },
      {
        "type": "ARC",
        "centre": [
          450865.059247618,
          6510980.319167142
        ],
        "radius": 42.00238895162493,
        "start_angle_rad": 1.309003105007617,
        "sweep_rad": -1.5707649015893994,
        "start": [
          450875.9300156559,
          6511020.890426426
        ],
        "end": [
          450905.6308484984,
          6510969.44967407
        ],
        "chainage_start": 109.1903278431177,
        "length": 65.97587834811881,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450905.6308484984,
          6510969.44967407
        ],
        "end": [
          450890.62106785324,
          6510913.423985882
        ],
        "chainage_start": 175.1662061912365,
        "length": 58.001476291306744
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 77.72256082751441,
        "pvi_z": 175.53586133509523,
        "bvc": 57.722560827514414,
        "evc": 97.72256082751441,
        "length": 40.0,
        "g1": 0.028808400099034053,
        "g2": 0.0053974321534838885,
        "z_bvc": 174.95969333311456,
        "K_m_per_percent": 17.086008614865065
      },
      {
        "pvi_ch": 155.44512165502883,
        "pvi_z": 175.95536358395677,
        "bvc": 132.35719411163294,
        "evc": 178.53304919842472,
        "length": 46.175855086791806,
        "g1": 0.0053974321534838885,
        "g2": -0.07156232632450246,
        "z_bvc": 175.83074806147673,
        "K_m_per_percent": 6.0
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450770.4601,
        "northing": 6511049.1503,
        "existing_z": 173.2968,
        "design_z": 173.2968,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450780.1194,
        "northing": 6511046.5622,
        "existing_z": 172.7237,
        "design_z": 173.5849,
        "delta_z": 0.8612
      },
      {
        "ch": 20.0,
        "easting": 450789.7786,
        "northing": 6511043.9741,
        "existing_z": 172.1894,
        "design_z": 173.873,
        "delta_z": 1.6836
      },
      {
        "ch": 30.0,
        "easting": 450799.4379,
        "northing": 6511041.3859,
        "existing_z": 172.3155,
        "design_z": 174.1611,
        "delta_z": 1.8455
      },
      {
        "ch": 40.0,
        "easting": 450809.0972,
        "northing": 6511038.7978,
        "existing_z": 172.4723,
        "design_z": 174.4491,
        "delta_z": 1.9768
      },
      {
        "ch": 50.0,
        "easting": 450818.7565,
        "northing": 6511036.2097,
        "existing_z": 173.2261,
        "design_z": 174.7372,
        "delta_z": 1.5111
      },
      {
        "ch": 57.7226,
        "easting": 450826.2159,
        "northing": 6511034.211,
        "existing_z": 173.8591,
        "design_z": 174.9597,
        "delta_z": 1.1006
      },
      {
        "ch": 60.0,
        "easting": 450828.4157,
        "northing": 6511033.6215,
        "existing_z": 174.0465,
        "design_z": 175.0238,
        "delta_z": 0.9773
      },
      {
        "ch": 70.0,
        "easting": 450838.075,
        "northing": 6511031.0334,
        "existing_z": 174.9507,
        "design_z": 175.2693,
        "delta_z": 0.3186
      },
      {
        "ch": 77.7226,
        "easting": 450845.5344,
        "northing": 6511029.0347,
        "existing_z": 175.6451,
        "design_z": 175.4188,
        "delta_z": -0.2263
      },
      {
        "ch": 80.0,
        "easting": 450847.7343,
        "northing": 6511028.4453,
        "existing_z": 175.8451,
        "design_z": 175.4562,
        "delta_z": -0.3889
      },
      {
        "ch": 90.0,
        "easting": 450857.3936,
        "northing": 6511025.8571,
        "existing_z": 176.6283,
        "design_z": 175.5847,
        "delta_z": -1.0436
      },
      {
        "ch": 97.7226,
        "easting": 450864.853,
        "northing": 6511023.8584,
        "existing_z": 177.1994,
        "design_z": 175.6438,
        "delta_z": -1.5556
      },
      {
        "ch": 100.0,
        "easting": 450867.0528,
        "northing": 6511023.269,
        "existing_z": 177.3656,
        "design_z": 175.6561,
        "delta_z": -1.7095
      },
      {
        "ch": 110.0,
        "easting": 450876.71,
        "northing": 6511020.6733,
        "existing_z": 178.025,
        "design_z": 175.7101,
        "delta_z": -2.3149
      },
      {
        "ch": 120.0,
        "easting": 450885.8985,
        "northing": 6511016.7873,
        "existing_z": 178.5028,
        "design_z": 175.7641,
        "delta_z": -2.7387
      },
      {
        "ch": 130.0,
        "easting": 450893.9113,
        "northing": 6511010.8439,
        "existing_z": 178.6764,
        "design_z": 175.818,
        "delta_z": -2.8584
      },
      {
        "ch": 132.3572,
        "easting": 450895.578,
        "northing": 6511009.1776,
        "existing_z": 178.6584,
        "design_z": 175.8307,
        "delta_z": -2.8277
      },
      {
        "ch": 140.0,
        "easting": 450900.2963,
        "northing": 6511003.1785,
        "existing_z": 178.4394,
        "design_z": 175.8233,
        "delta_z": -2.6161
      },
      {
        "ch": 150.0,
        "easting": 450904.6935,
        "northing": 6510994.2234,
        "existing_z": 177.8706,
        "design_z": 175.6666,
        "delta_z": -2.204
      },
      {
        "ch": 155.4451,
        "easting": 450906.1584,
        "northing": 6510988.983,
        "existing_z": 177.4514,
        "design_z": 175.5112,
        "delta_z": -1.9403
      },
      {
        "ch": 160.0,
        "easting": 450906.8547,
        "northing": 6510984.4839,
        "existing_z": 177.0649,
        "design_z": 175.3432,
        "delta_z": -1.7217
      },
      {
        "ch": 170.0,
        "easting": 450906.6579,
        "northing": 6510974.5094,
        "existing_z": 176.1223,
        "design_z": 174.8531,
        "delta_z": -1.2692
      },
      {
        "ch": 178.533,
        "easting": 450904.7596,
        "northing": 6510966.1975,
        "existing_z": 175.2924,
        "design_z": 174.3031,
        "delta_z": -0.9893
      },
      {
        "ch": 180.0,
        "easting": 450904.3799,
        "northing": 6510964.7805,
        "existing_z": 175.1535,
        "design_z": 174.1982,
        "delta_z": -0.9553
      },
      {
        "ch": 190.0,
        "easting": 450901.7921,
        "northing": 6510955.1212,
        "existing_z": 174.2174,
        "design_z": 173.4825,
        "delta_z": -0.7349
      },
      {
        "ch": 200.0,
        "easting": 450899.2043,
        "northing": 6510945.4618,
        "existing_z": 173.3048,
        "design_z": 172.7669,
        "delta_z": -0.5379
      },
      {
        "ch": 210.0,
        "easting": 450896.6165,
        "northing": 6510935.8025,
        "existing_z": 172.4119,
        "design_z": 172.0513,
        "delta_z": -0.3606
      },
      {
        "ch": 220.0,
        "easting": 450894.0286,
        "northing": 6510926.1431,
        "existing_z": 171.5314,
        "design_z": 171.3357,
        "delta_z": -0.1957
      },
      {
        "ch": 230.0,
        "easting": 450891.4408,
        "northing": 6510916.4838,
        "existing_z": 170.6646,
        "design_z": 170.62,
        "delta_z": -0.0446
      },
      {
        "ch": 233.1677,
        "easting": 450890.6211,
        "northing": 6510913.424,
        "existing_z": 170.3934,
        "design_z": 170.3934,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD247",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 9.88,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.28,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449790.0,
          6511010.0
        ],
        "end": [
          449790.0,
          6511000.12
        ],
        "chainage_start": 0,
        "length": 9.879999999888241
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449790.0,
        "northing": 6511010.0,
        "existing_z": 186.4037,
        "design_z": 186.4037,
        "delta_z": 0.0
      },
      {
        "ch": 9.88,
        "easting": 449790.0,
        "northing": 6511000.12,
        "existing_z": 186.9251,
        "design_z": 186.9251,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD248",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 13.972,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 8.08,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450100.1200000001,
          6511000.12
        ],
        "end": [
          450110.0,
          6511010.0
        ],
        "chainage_start": 0,
        "length": 13.972429996088128
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450100.12,
        "northing": 6511000.12,
        "existing_z": 230.0269,
        "design_z": 230.0269,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450107.1911,
        "northing": 6511007.1911,
        "existing_z": 230.8407,
        "design_z": 230.8348,
        "delta_z": -0.0059
      },
      {
        "ch": 13.9724,
        "easting": 450110.0,
        "northing": 6511010.0,
        "existing_z": 231.1558,
        "design_z": 231.1558,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD249",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 53.363,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 11.18,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450110.0,
          6511010.0
        ],
        "end": [
          450075.86842059833,
          6511010.0
        ],
        "chainage_start": 0,
        "length": 34.131579401670024
      },
      {
        "type": "ARC",
        "centre": [
          450075.86842059833,
          6510995.832379402
        ],
        "radius": 14.167620598263136,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450075.86842059833,
          6511010.0
        ],
        "end": [
          450065.85040000005,
          6511005.8504
        ],
        "chainage_start": 34.131579401670024,
        "length": 11.127223197587726,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450065.8504,
          6511005.8504
        ],
        "end": [
          450060.1200000001,
          6511000.12
        ],
        "chainage_start": 45.25880259925775,
        "length": 8.104009397576357
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450110.0,
        "northing": 6511010.0,
        "existing_z": 231.1558,
        "design_z": 231.1558,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450100.0,
        "northing": 6511010.0,
        "existing_z": 229.8972,
        "design_z": 230.0377,
        "delta_z": 0.1405
      },
      {
        "ch": 20.0,
        "easting": 450090.0,
        "northing": 6511010.0,
        "existing_z": 228.6387,
        "design_z": 228.9197,
        "delta_z": 0.281
      },
      {
        "ch": 30.0,
        "easting": 450080.0,
        "northing": 6511010.0,
        "existing_z": 227.442,
        "design_z": 227.8016,
        "delta_z": 0.3596
      },
      {
        "ch": 40.0,
        "easting": 450070.1664,
        "northing": 6511008.8019,
        "existing_z": 226.2629,
        "design_z": 226.6836,
        "delta_z": 0.4207
      },
      {
        "ch": 50.0,
        "easting": 450062.4979,
        "northing": 6511002.4979,
        "existing_z": 225.4518,
        "design_z": 225.5655,
        "delta_z": 0.1137
      },
      {
        "ch": 53.3628,
        "easting": 450060.12,
        "northing": 6511000.12,
        "existing_z": 225.1895,
        "design_z": 225.1895,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD250",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 67.977,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 2.37,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450110.0,
          6511010.0
        ],
        "end": [
          450164.0958336609,
          6511010.0
        ],
        "chainage_start": 0,
        "length": 54.09583366091829
      },
      {
        "type": "ARC",
        "centre": [
          450164.0958336609,
          6511007.575264716
        ],
        "radius": 2.4247352842582375,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -2.362230634191717,
        "start": [
          450164.0958336609,
          6511010.0
        ],
        "end": [
          450165.8,
          6511005.8504
        ],
        "chainage_start": 54.09583366091829,
        "length": 5.72778396828037,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450165.8,
          6511005.8504
        ],
        "end": [
          450160.0,
          6511000.12
        ],
        "chainage_start": 59.82361762919866,
        "length": 8.153372563375282
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450110.0,
        "northing": 6511010.0,
        "existing_z": 231.1558,
        "design_z": 231.1558,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450120.0,
        "northing": 6511010.0,
        "existing_z": 231.9704,
        "design_z": 231.3924,
        "delta_z": -0.578
      },
      {
        "ch": 20.0,
        "easting": 450130.0,
        "northing": 6511010.0,
        "existing_z": 232.7851,
        "design_z": 231.6291,
        "delta_z": -1.156
      },
      {
        "ch": 30.0,
        "easting": 450140.0,
        "northing": 6511010.0,
        "existing_z": 232.9243,
        "design_z": 231.8657,
        "delta_z": -1.0587
      },
      {
        "ch": 40.0,
        "easting": 450150.0,
        "northing": 6511010.0,
        "existing_z": 233.0636,
        "design_z": 232.1023,
        "delta_z": -0.9613
      },
      {
        "ch": 50.0,
        "easting": 450160.0,
        "northing": 6511010.0,
        "existing_z": 232.5704,
        "design_z": 232.339,
        "delta_z": -0.2314
      },
      {
        "ch": 60.0,
        "easting": 450165.6745,
        "northing": 6511005.7264,
        "existing_z": 232.3676,
        "design_z": 232.5756,
        "delta_z": 0.208
      },
      {
        "ch": 67.977,
        "easting": 450160.0,
        "northing": 6511000.12,
        "existing_z": 232.7644,
        "design_z": 232.7644,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD251",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 40.0,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 10.67,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449790.0,
          6511010.0
        ],
        "end": [
          449750.0,
          6511010.0
        ],
        "chainage_start": 0,
        "length": 40.0
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449790.0,
        "northing": 6511010.0,
        "existing_z": 186.4037,
        "design_z": 186.4037,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449780.0,
        "northing": 6511010.0,
        "existing_z": 185.1678,
        "design_z": 185.3363,
        "delta_z": 0.1685
      },
      {
        "ch": 20.0,
        "easting": 449770.0,
        "northing": 6511010.0,
        "existing_z": 183.9319,
        "design_z": 184.2688,
        "delta_z": 0.337
      },
      {
        "ch": 30.0,
        "easting": 449760.0,
        "northing": 6511010.0,
        "existing_z": 183.0329,
        "design_z": 183.2014,
        "delta_z": 0.1685
      },
      {
        "ch": 40.0,
        "easting": 449750.0,
        "northing": 6511010.0,
        "existing_z": 182.1339,
        "design_z": 182.1339,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD252",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 3.68,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.22,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449750.0,
          6511010.0
        ],
        "end": [
          449750.0,
          6511013.68
        ],
        "chainage_start": 0,
        "length": 3.6799999997019768
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449750.0,
        "northing": 6511010.0,
        "existing_z": 182.1339,
        "design_z": 182.1339,
        "delta_z": 0.0
      },
      {
        "ch": 3.68,
        "easting": 449750.0,
        "northing": 6511013.68,
        "existing_z": 181.8683,
        "design_z": 181.8683,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD253",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 170.884,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 13.18,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451974.9288366458,
          6511044.299332693
        ],
        "end": [
          452139.99,
          6511000.07
        ],
        "chainage_start": 0,
        "length": 170.88423425905268
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 56.961411419684225,
        "pvi_z": 218.01560616808888,
        "bvc": 36.961411419684225,
        "evc": 76.96141141968423,
        "length": 40.0,
        "g1": 0.13179258688800274,
        "g2": 0.08860044847842675,
        "z_bvc": 215.37975443032883,
        "K_m_per_percent": 9.260944577620572
      },
      {
        "pvi_ch": 113.92282283936845,
        "pvi_z": 223.06241276583708,
        "bvc": 93.92282283936845,
        "evc": 133.92282283936845,
        "length": 40.0,
        "g1": 0.08860044847842675,
        "g2": 0.06213776698519509,
        "z_bvc": 221.29040379626855,
        "K_m_per_percent": 15.115626135707663
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451974.9288,
        "northing": 6511044.2993,
        "existing_z": 210.5085,
        "design_z": 210.5085,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451984.5881,
        "northing": 6511041.7111,
        "existing_z": 212.047,
        "design_z": 211.8264,
        "delta_z": -0.2206
      },
      {
        "ch": 20.0,
        "easting": 451994.2473,
        "northing": 6511039.1228,
        "existing_z": 213.5415,
        "design_z": 213.1444,
        "delta_z": -0.3971
      },
      {
        "ch": 30.0,
        "easting": 452003.9066,
        "northing": 6511036.5345,
        "existing_z": 214.9938,
        "design_z": 214.4623,
        "delta_z": -0.5315
      },
      {
        "ch": 36.9614,
        "easting": 452010.6307,
        "northing": 6511034.7327,
        "existing_z": 216.0021,
        "design_z": 215.3798,
        "delta_z": -0.6224
      },
      {
        "ch": 40.0,
        "easting": 452013.5658,
        "northing": 6511033.9463,
        "existing_z": 216.3823,
        "design_z": 215.7752,
        "delta_z": -0.607
      },
      {
        "ch": 50.0,
        "easting": 452023.225,
        "northing": 6511031.358,
        "existing_z": 217.6531,
        "design_z": 217.0064,
        "delta_z": -0.6468
      },
      {
        "ch": 56.9614,
        "easting": 452029.9492,
        "northing": 6511029.5562,
        "existing_z": 218.5561,
        "design_z": 217.7996,
        "delta_z": -0.7565
      },
      {
        "ch": 60.0,
        "easting": 452032.8843,
        "northing": 6511028.7698,
        "existing_z": 218.8649,
        "design_z": 218.1295,
        "delta_z": -0.7354
      },
      {
        "ch": 70.0,
        "easting": 452042.5435,
        "northing": 6511026.1815,
        "existing_z": 219.8865,
        "design_z": 219.1447,
        "delta_z": -0.7419
      },
      {
        "ch": 76.9614,
        "easting": 452049.2677,
        "northing": 6511024.3797,
        "existing_z": 220.6075,
        "design_z": 219.7876,
        "delta_z": -0.8199
      },
      {
        "ch": 80.0,
        "easting": 452052.2027,
        "northing": 6511023.5932,
        "existing_z": 220.8675,
        "design_z": 220.0568,
        "delta_z": -0.8107
      },
      {
        "ch": 90.0,
        "easting": 452061.862,
        "northing": 6511021.005,
        "existing_z": 221.6648,
        "design_z": 220.9428,
        "delta_z": -0.7219
      },
      {
        "ch": 93.9228,
        "easting": 452065.6511,
        "northing": 6511019.9896,
        "existing_z": 221.9791,
        "design_z": 221.2904,
        "delta_z": -0.6887
      },
      {
        "ch": 100.0,
        "easting": 452071.5212,
        "northing": 6511018.4167,
        "existing_z": 222.4419,
        "design_z": 221.8166,
        "delta_z": -0.6253
      },
      {
        "ch": 110.0,
        "easting": 452081.1805,
        "northing": 6511015.8284,
        "existing_z": 223.0851,
        "design_z": 222.6293,
        "delta_z": -0.4558
      },
      {
        "ch": 113.9228,
        "easting": 452084.9696,
        "northing": 6511014.8131,
        "existing_z": 223.3383,
        "design_z": 222.9301,
        "delta_z": -0.4082
      },
      {
        "ch": 120.0,
        "easting": 452090.8397,
        "northing": 6511013.2402,
        "existing_z": 223.7253,
        "design_z": 223.3759,
        "delta_z": -0.3494
      },
      {
        "ch": 130.0,
        "easting": 452100.4989,
        "northing": 6511010.6519,
        "existing_z": 224.3013,
        "design_z": 224.0563,
        "delta_z": -0.245
      },
      {
        "ch": 133.9228,
        "easting": 452104.2881,
        "northing": 6511009.6366,
        "existing_z": 224.5264,
        "design_z": 224.3052,
        "delta_z": -0.2213
      },
      {
        "ch": 140.0,
        "easting": 452110.1582,
        "northing": 6511008.0637,
        "existing_z": 224.8718,
        "design_z": 224.6828,
        "delta_z": -0.189
      },
      {
        "ch": 150.0,
        "easting": 452119.8174,
        "northing": 6511005.4754,
        "existing_z": 225.4227,
        "design_z": 225.3042,
        "delta_z": -0.1185
      },
      {
        "ch": 160.0,
        "easting": 452129.4767,
        "northing": 6511002.8871,
        "existing_z": 225.9754,
        "design_z": 225.9255,
        "delta_z": -0.0498
      },
      {
        "ch": 170.0,
        "easting": 452139.1359,
        "northing": 6511000.2989,
        "existing_z": 226.5507,
        "design_z": 226.5469,
        "delta_z": -0.0037
      },
      {
        "ch": 170.8842,
        "easting": 452139.99,
        "northing": 6511000.07,
        "existing_z": 226.6019,
        "design_z": 226.6019,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD254",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 589.115,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 13.74,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451380.01,
          6511100.18
        ],
        "end": [
          451949.05,
          6510947.7
        ],
        "chainage_start": 0,
        "length": 589.1151602189749
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 73.63939502737186,
        "pvi_z": 206.8124337025534,
        "bvc": 53.63939502737186,
        "evc": 93.63939502737186,
        "length": 40.0,
        "g1": -0.0392211176170707,
        "g2": -0.0911849484836753,
        "z_bvc": 207.5968560548948,
        "K_m_per_percent": 7.697661879987885
      },
      {
        "pvi_ch": 147.27879005474372,
        "pvi_z": 200.09762926061347,
        "bvc": 127.27879005474372,
        "evc": 167.27879005474372,
        "length": 40.0,
        "g1": -0.0911849484836753,
        "g2": -0.12432427917957753,
        "z_bvc": 201.92132823028697,
        "K_m_per_percent": 12.07024980892149
      },
      {
        "pvi_ch": 220.9181850821156,
        "pvi_z": 190.9424645546153,
        "bvc": 200.9181850821156,
        "evc": 240.9181850821156,
        "length": 40.0,
        "g1": -0.12432427917957753,
        "g2": -0.12237910667904818,
        "z_bvc": 193.42895013820686,
        "K_m_per_percent": 205.6372891818829
      },
      {
        "pvi_ch": 294.55758010948745,
        "pvi_z": 181.93054117478,
        "bvc": 272.8570983222829,
        "evc": 316.25806189669197,
        "length": 43.40096357440904,
        "g1": -0.12237910667904818,
        "g2": -0.05004416738836645,
        "z_bvc": 184.58622675040303,
        "K_m_per_percent": 6.000000000000001
      },
      {
        "pvi_ch": 368.1969751368593,
        "pvi_z": 178.24531896365215,
        "bvc": 335.05924737454194,
        "evc": 401.33470289917665,
        "length": 66.27545552463467,
        "g1": -0.05004416738836645,
        "g2": 0.0736865102222486,
        "z_bvc": 179.9036689586597,
        "K_m_per_percent": 5.356428721194426
      },
      {
        "pvi_ch": 441.8363701642312,
        "pvi_z": 183.6715489980968,
        "bvc": 421.8363701642312,
        "evc": 461.8363701642312,
        "length": 40.0,
        "g1": 0.0736865102222486,
        "g2": 0.12244007501074877,
        "z_bvc": 182.19781879365183,
        "K_m_per_percent": 8.204528258297755
      },
      {
        "pvi_ch": 515.475765191603,
        "pvi_z": 192.68796204899436,
        "bvc": 495.47576519160305,
        "evc": 535.475765191603,
        "length": 40.0,
        "g1": 0.12244007501074877,
        "g2": 0.1374370917242646,
        "z_bvc": 190.23916054877938,
        "K_m_per_percent": 26.6719713421074
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451380.01,
        "northing": 6511100.18,
        "existing_z": 209.7007,
        "design_z": 209.7007,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451389.6692,
        "northing": 6511097.5917,
        "existing_z": 209.5692,
        "design_z": 209.3084,
        "delta_z": -0.2607
      },
      {
        "ch": 20.0,
        "easting": 451399.3285,
        "northing": 6511095.0034,
        "existing_z": 209.3746,
        "design_z": 208.9162,
        "delta_z": -0.4584
      },
      {
        "ch": 30.0,
        "easting": 451408.9877,
        "northing": 6511092.4151,
        "existing_z": 209.1883,
        "design_z": 208.524,
        "delta_z": -0.6643
      },
      {
        "ch": 40.0,
        "easting": 451418.6469,
        "northing": 6511089.8268,
        "existing_z": 208.9292,
        "design_z": 208.1318,
        "delta_z": -0.7974
      },
      {
        "ch": 50.0,
        "easting": 451428.3062,
        "northing": 6511087.2386,
        "existing_z": 208.6701,
        "design_z": 207.7396,
        "delta_z": -0.9305
      },
      {
        "ch": 53.6394,
        "easting": 451431.8215,
        "northing": 6511086.2966,
        "existing_z": 208.5495,
        "design_z": 207.5969,
        "delta_z": -0.9526
      },
      {
        "ch": 60.0,
        "easting": 451437.9654,
        "northing": 6511084.6503,
        "existing_z": 208.2947,
        "design_z": 207.3211,
        "delta_z": -0.9736
      },
      {
        "ch": 70.0,
        "easting": 451447.6246,
        "northing": 6511082.062,
        "existing_z": 207.8973,
        "design_z": 206.7813,
        "delta_z": -1.116
      },
      {
        "ch": 73.6394,
        "easting": 451451.14,
        "northing": 6511081.12,
        "existing_z": 207.7172,
        "design_z": 206.5526,
        "delta_z": -1.1645
      },
      {
        "ch": 80.0,
        "easting": 451457.2839,
        "northing": 6511079.4737,
        "existing_z": 207.2681,
        "design_z": 206.1116,
        "delta_z": -1.1565
      },
      {
        "ch": 90.0,
        "easting": 451466.9431,
        "northing": 6511076.8854,
        "existing_z": 206.5561,
        "design_z": 205.312,
        "delta_z": -1.2441
      },
      {
        "ch": 93.6394,
        "easting": 451470.4585,
        "northing": 6511075.9434,
        "existing_z": 206.2856,
        "design_z": 204.9887,
        "delta_z": -1.2968
      },
      {
        "ch": 100.0,
        "easting": 451476.6023,
        "northing": 6511074.2971,
        "existing_z": 205.6954,
        "design_z": 204.4087,
        "delta_z": -1.2866
      },
      {
        "ch": 110.0,
        "easting": 451486.2616,
        "northing": 6511071.7088,
        "existing_z": 204.7501,
        "design_z": 203.4969,
        "delta_z": -1.2532
      },
      {
        "ch": 120.0,
        "easting": 451495.9208,
        "northing": 6511069.1205,
        "existing_z": 203.7024,
        "design_z": 202.585,
        "delta_z": -1.1173
      },
      {
        "ch": 127.2788,
        "easting": 451502.9515,
        "northing": 6511067.2366,
        "existing_z": 202.8904,
        "design_z": 201.9213,
        "delta_z": -0.9691
      },
      {
        "ch": 130.0,
        "easting": 451505.58,
        "northing": 6511066.5322,
        "existing_z": 202.5849,
        "design_z": 201.6701,
        "delta_z": -0.9148
      },
      {
        "ch": 140.0,
        "easting": 451515.2392,
        "northing": 6511063.944,
        "existing_z": 201.3991,
        "design_z": 200.6943,
        "delta_z": -0.7048
      },
      {
        "ch": 147.2788,
        "easting": 451522.27,
        "northing": 6511062.06,
        "existing_z": 200.4958,
        "design_z": 199.9319,
        "delta_z": -0.5639
      },
      {
        "ch": 150.0,
        "easting": 451524.8985,
        "northing": 6511061.3557,
        "existing_z": 200.1569,
        "design_z": 199.6356,
        "delta_z": -0.5213
      },
      {
        "ch": 160.0,
        "easting": 451534.5577,
        "northing": 6511058.7674,
        "existing_z": 198.8999,
        "design_z": 198.4941,
        "delta_z": -0.4058
      },
      {
        "ch": 167.2788,
        "easting": 451541.5885,
        "northing": 6511056.8834,
        "existing_z": 197.9807,
        "design_z": 197.6111,
        "delta_z": -0.3696
      },
      {
        "ch": 170.0,
        "easting": 451544.2169,
        "northing": 6511056.1791,
        "existing_z": 197.6377,
        "design_z": 197.2728,
        "delta_z": -0.3649
      },
      {
        "ch": 180.0,
        "easting": 451553.8762,
        "northing": 6511053.5908,
        "existing_z": 196.3765,
        "design_z": 196.0296,
        "delta_z": -0.3469
      },
      {
        "ch": 190.0,
        "easting": 451563.5354,
        "northing": 6511051.0025,
        "existing_z": 195.1229,
        "design_z": 194.7863,
        "delta_z": -0.3366
      },
      {
        "ch": 200.0,
        "easting": 451573.1946,
        "northing": 6511048.4142,
        "existing_z": 193.8436,
        "design_z": 193.5431,
        "delta_z": -0.3005
      },
      {
        "ch": 200.9182,
        "easting": 451574.0815,
        "northing": 6511048.1766,
        "existing_z": 193.7207,
        "design_z": 193.429,
        "delta_z": -0.2917
      },
      {
        "ch": 210.0,
        "easting": 451582.8539,
        "northing": 6511045.8259,
        "existing_z": 192.5045,
        "design_z": 192.3019,
        "delta_z": -0.2027
      },
      {
        "ch": 220.0,
        "easting": 451592.5131,
        "northing": 6511043.2377,
        "existing_z": 191.1546,
        "design_z": 191.0655,
        "delta_z": -0.0891
      },
      {
        "ch": 220.9182,
        "easting": 451593.4,
        "northing": 6511043.0,
        "existing_z": 191.0281,
        "design_z": 190.9522,
        "delta_z": -0.0759
      },
      {
        "ch": 230.0,
        "easting": 451602.1723,
        "northing": 6511040.6494,
        "existing_z": 189.7794,
        "design_z": 189.8339,
        "delta_z": 0.0546
      },
      {
        "ch": 240.0,
        "easting": 451611.8316,
        "northing": 6511038.0611,
        "existing_z": 188.4107,
        "design_z": 188.6073,
        "delta_z": 0.1966
      },
      {
        "ch": 240.9182,
        "easting": 451612.7185,
        "northing": 6511037.8234,
        "existing_z": 188.2861,
        "design_z": 188.4949,
        "delta_z": 0.2088
      },
      {
        "ch": 250.0,
        "easting": 451621.4908,
        "northing": 6511035.4728,
        "existing_z": 187.0597,
        "design_z": 187.3835,
        "delta_z": 0.3237
      },
      {
        "ch": 260.0,
        "easting": 451631.15,
        "northing": 6511032.8845,
        "existing_z": 185.7194,
        "design_z": 186.1597,
        "delta_z": 0.4403
      },
      {
        "ch": 270.0,
        "easting": 451640.8093,
        "northing": 6511030.2962,
        "existing_z": 184.3676,
        "design_z": 184.9359,
        "delta_z": 0.5683
      },
      {
        "ch": 272.8571,
        "easting": 451643.569,
        "northing": 6511029.5567,
        "existing_z": 183.979,
        "design_z": 184.5862,
        "delta_z": 0.6073
      },
      {
        "ch": 280.0,
        "easting": 451650.4685,
        "northing": 6511027.7079,
        "existing_z": 183.0046,
        "design_z": 183.7546,
        "delta_z": 0.75
      },
      {
        "ch": 290.0,
        "easting": 451660.1277,
        "northing": 6511025.1196,
        "existing_z": 181.6355,
        "design_z": 182.7332,
        "delta_z": 1.0977
      },
      {
        "ch": 294.5576,
        "easting": 451664.53,
        "northing": 6511023.94,
        "existing_z": 181.0141,
        "design_z": 182.323,
        "delta_z": 1.3089
      },
      {
        "ch": 300.0,
        "easting": 451669.787,
        "northing": 6511022.5313,
        "existing_z": 180.274,
        "design_z": 181.8785,
        "delta_z": 1.6044
      },
      {
        "ch": 310.0,
        "easting": 451679.4462,
        "northing": 6511019.9431,
        "existing_z": 179.0607,
        "design_z": 181.1904,
        "delta_z": 2.1297
      },
      {
        "ch": 316.2581,
        "easting": 451685.491,
        "northing": 6511018.3233,
        "existing_z": 178.3118,
        "design_z": 180.8446,
        "delta_z": 2.5328
      },
      {
        "ch": 320.0,
        "easting": 451689.1054,
        "northing": 6511017.3548,
        "existing_z": 177.867,
        "design_z": 180.6573,
        "delta_z": 2.7903
      },
      {
        "ch": 330.0,
        "easting": 451698.7647,
        "northing": 6511014.7665,
        "existing_z": 177.0618,
        "design_z": 180.1569,
        "delta_z": 3.0951
      },
      {
        "ch": 335.0592,
        "easting": 451703.6515,
        "northing": 6511013.457,
        "existing_z": 176.6815,
        "design_z": 179.9037,
        "delta_z": 3.2222
      },
      {
        "ch": 340.0,
        "easting": 451708.4239,
        "northing": 6511012.1782,
        "existing_z": 176.3152,
        "design_z": 179.6792,
        "delta_z": 3.364
      },
      {
        "ch": 350.0,
        "easting": 451718.0831,
        "northing": 6511009.5899,
        "existing_z": 176.0913,
        "design_z": 179.3643,
        "delta_z": 3.2731
      },
      {
        "ch": 360.0,
        "easting": 451727.7424,
        "northing": 6511007.0016,
        "existing_z": 175.9259,
        "design_z": 179.2362,
        "delta_z": 3.3103
      },
      {
        "ch": 368.197,
        "easting": 451735.66,
        "northing": 6511004.88,
        "existing_z": 176.1999,
        "design_z": 179.2704,
        "delta_z": 3.0704
      },
      {
        "ch": 370.0,
        "easting": 451737.4016,
        "northing": 6511004.4133,
        "existing_z": 176.2983,
        "design_z": 179.2947,
        "delta_z": 2.9964
      },
      {
        "ch": 380.0,
        "easting": 451747.0608,
        "northing": 6511001.825,
        "existing_z": 176.8571,
        "design_z": 179.5399,
        "delta_z": 2.6828
      },
      {
        "ch": 390.0,
        "easting": 451756.72,
        "northing": 6510999.2367,
        "existing_z": 177.7511,
        "design_z": 179.9718,
        "delta_z": 2.2208
      },
      {
        "ch": 400.0,
        "easting": 451766.3793,
        "northing": 6510996.6485,
        "existing_z": 178.8067,
        "design_z": 180.5904,
        "delta_z": 1.7837
      },
      {
        "ch": 401.3347,
        "easting": 451767.6685,
        "northing": 6510996.303,
        "existing_z": 178.9495,
        "design_z": 180.6871,
        "delta_z": 1.7376
      },
      {
        "ch": 410.0,
        "easting": 451776.0385,
        "northing": 6510994.0602,
        "existing_z": 179.8745,
        "design_z": 181.3256,
        "delta_z": 1.4511
      },
      {
        "ch": 420.0,
        "easting": 451785.6977,
        "northing": 6510991.4719,
        "existing_z": 180.9434,
        "design_z": 182.0625,
        "delta_z": 1.1191
      },
      {
        "ch": 421.8364,
        "easting": 451787.4715,
        "northing": 6510990.9966,
        "existing_z": 181.1403,
        "design_z": 182.1978,
        "delta_z": 1.0576
      },
      {
        "ch": 430.0,
        "easting": 451795.357,
        "northing": 6510988.8836,
        "existing_z": 182.0079,
        "design_z": 182.84,
        "delta_z": 0.832
      },
      {
        "ch": 440.0,
        "easting": 451805.0162,
        "northing": 6510986.2953,
        "existing_z": 183.0659,
        "design_z": 183.7373,
        "delta_z": 0.6714
      },
      {
        "ch": 441.8364,
        "easting": 451806.79,
        "northing": 6510985.82,
        "existing_z": 183.2596,
        "design_z": 183.9153,
        "delta_z": 0.6558
      },
      {
        "ch": 450.0,
        "easting": 451814.6754,
        "northing": 6510983.707,
        "existing_z": 184.1544,
        "design_z": 184.7565,
        "delta_z": 0.6021
      },
      {
        "ch": 460.0,
        "easting": 451824.3347,
        "northing": 6510981.1187,
        "existing_z": 185.2724,
        "design_z": 185.8976,
        "delta_z": 0.6251
      },
      {
        "ch": 461.8364,
        "easting": 451826.1085,
        "northing": 6510980.6434,
        "existing_z": 185.4766,
        "design_z": 186.1204,
        "delta_z": 0.6438
      },
      {
        "ch": 470.0,
        "easting": 451833.9939,
        "northing": 6510978.5304,
        "existing_z": 186.4561,
        "design_z": 187.1199,
        "delta_z": 0.6638
      },
      {
        "ch": 480.0,
        "easting": 451843.6531,
        "northing": 6510975.9422,
        "existing_z": 187.7357,
        "design_z": 188.3443,
        "delta_z": 0.6086
      },
      {
        "ch": 490.0,
        "easting": 451853.3124,
        "northing": 6510973.3539,
        "existing_z": 189.047,
        "design_z": 189.5687,
        "delta_z": 0.5217
      },
      {
        "ch": 495.4758,
        "easting": 451858.6015,
        "northing": 6510971.9366,
        "existing_z": 189.8075,
        "design_z": 190.2392,
        "delta_z": 0.4317
      },
      {
        "ch": 500.0,
        "easting": 451862.9716,
        "northing": 6510970.7656,
        "existing_z": 190.4339,
        "design_z": 190.7969,
        "delta_z": 0.3631
      },
      {
        "ch": 510.0,
        "easting": 451872.6308,
        "northing": 6510968.1773,
        "existing_z": 191.8021,
        "design_z": 192.0571,
        "delta_z": 0.2549
      },
      {
        "ch": 515.4758,
        "easting": 451877.92,
        "northing": 6510966.76,
        "existing_z": 192.5399,
        "design_z": 192.7629,
        "delta_z": 0.223
      },
      {
        "ch": 520.0,
        "easting": 451882.2901,
        "northing": 6510965.589,
        "existing_z": 193.1506,
        "design_z": 193.3547,
        "delta_z": 0.204
      },
      {
        "ch": 530.0,
        "easting": 451891.9493,
        "northing": 6510963.0007,
        "existing_z": 194.5076,
        "design_z": 194.6898,
        "delta_z": 0.1822
      },
      {
        "ch": 535.4758,
        "easting": 451897.2385,
        "northing": 6510961.5834,
        "existing_z": 195.2604,
        "design_z": 195.4367,
        "delta_z": 0.1763
      },
      {
        "ch": 540.0,
        "easting": 451901.6085,
        "northing": 6510960.4124,
        "existing_z": 195.8833,
        "design_z": 196.0585,
        "delta_z": 0.1752
      },
      {
        "ch": 550.0,
        "easting": 451911.2678,
        "northing": 6510957.8241,
        "existing_z": 197.2702,
        "design_z": 197.4329,
        "delta_z": 0.1626
      },
      {
        "ch": 560.0,
        "easting": 451920.927,
        "northing": 6510955.2358,
        "existing_z": 198.6962,
        "design_z": 198.8072,
        "delta_z": 0.111
      },
      {
        "ch": 570.0,
        "easting": 451930.5862,
        "northing": 6510952.6476,
        "existing_z": 200.1116,
        "design_z": 200.1816,
        "delta_z": 0.07
      },
      {
        "ch": 580.0,
        "easting": 451940.2455,
        "northing": 6510950.0593,
        "existing_z": 201.5303,
        "design_z": 201.556,
        "delta_z": 0.0257
      },
      {
        "ch": 589.1152,
        "easting": 451949.05,
        "northing": 6510947.7,
        "existing_z": 202.8087,
        "design_z": 202.8087,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD255",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 354.86,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.42,
    "radius_review_count": 4,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451314.11,
          6510903.48
        ],
        "end": [
          451329.1204,
          6510959.5022
        ],
        "chainage_start": 0,
        "length": 57.99826722368028
      },
      {
        "type": "ARC",
        "centre": [
          451288.5515299335,
          6510970.37208671
        ],
        "radius": 41.999853042159806,
        "start_angle_rad": -0.26178767563497757,
        "sweep_rad": 1.5707699499032375,
        "start": [
          451329.1204,
          6510959.5022
        ],
        "end": [
          451299.42248672043,
          6511010.940670049
        ],
        "chainage_start": 57.99826722368028,
        "length": 65.97210705897669,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451299.4224867207,
          6511010.940670049
        ],
        "end": [
          451198.6381271525,
          6511037.947341899
        ],
        "chainage_start": 123.97037428265696,
        "length": 104.34005682391498
      },
      {
        "type": "ARC",
        "centre": [
          451206.97708048846,
          6511069.066913985
        ],
        "radius": 32.21747832300552,
        "start_angle_rad": -1.8326103793135906,
        "sweep_rad": -1.1138859384904698,
        "start": [
          451198.6381271525,
          6511037.947341899
        ],
        "end": [
          451175.37080000003,
          6511062.8212
        ],
        "chainage_start": 228.31043110657194,
        "length": 35.88659607761738,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451175.37080000003,
          6511062.8212
        ],
        "end": [
          451173.8892,
          6511070.3188
        ],
        "chainage_start": 264.1970271841893,
        "length": 7.642587540321534
      },
      {
        "type": "ARC",
        "centre": [
          451210.76569766545,
          6511077.605961083
        ],
        "radius": 37.58961022320996,
        "start_angle_rad": -2.9464963177996877,
        "sweep_rad": -0.9804944991814564,
        "start": [
          451173.8892,
          6511070.3188
        ],
        "end": [
          451184.18582937453,
          6511104.185829375
        ],
        "chainage_start": 271.83961472451085,
        "length": 36.8564060502324,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451184.1858293743,
          6511104.185829374
        ],
        "end": [
          451206.7699228336,
          6511126.769922834
        ],
        "chainage_start": 308.69602077474326,
        "length": 31.938731264454827
      },
      {
        "type": "ARC",
        "centre": [
          451202.28648720623,
          6511131.253358461
        ],
        "radius": 6.340535470260724,
        "start_angle_rad": -0.7853981633649912,
        "sweep_rad": 1.248634588191386,
        "start": [
          451206.7699228336,
          6511126.769922834
        ],
        "end": [
          451207.9588,
          6511134.0866
        ],
        "chainage_start": 340.6347520391981,
        "length": 7.917011895821875,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451207.9587999999,
          6511134.0866
        ],
        "end": [
          451205.14,
          6511139.73
        ],
        "chainage_start": 348.55176393501995,
        "length": 6.30821662627388
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.97199611225876,
        "pvi_z": 209.63151355133857,
        "bvc": 50.971996112258765,
        "evc": 90.97199611225876,
        "length": 40.0,
        "g1": -0.01724883260379254,
        "g2": -0.05643130895250905,
        "z_bvc": 209.97649020341441,
        "K_m_per_percent": 10.208645222932743
      },
      {
        "pvi_ch": 141.94399222451753,
        "pvi_z": 205.62647091175143,
        "bvc": 121.94399222451753,
        "evc": 161.94399222451753,
        "length": 40.0,
        "g1": -0.05643130895250905,
        "g2": -0.05794603474451733,
        "z_bvc": 206.7550970908016,
        "K_m_per_percent": 264.0741988486676
      },
      {
        "pvi_ch": 212.9159883367763,
        "pvi_z": 201.51392515914273,
        "bvc": 182.64226574648552,
        "evc": 243.1897109270671,
        "length": 60.54744518058159,
        "g1": -0.05794603474451733,
        "g2": 0.04296637388978531,
        "z_bvc": 203.2681673402056,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 283.88798444903506,
        "pvi_z": 204.56333447980643,
        "bvc": 259.52307616140513,
        "evc": 308.252892736665,
        "length": 48.729816575259846,
        "g1": 0.04296637388978531,
        "g2": 0.12418273484855172,
        "z_bvc": 203.5164627205298,
        "K_m_per_percent": 5.999999999999999
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451314.11,
        "northing": 6510903.48,
        "existing_z": 210.8557,
        "design_z": 210.8557,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451316.6981,
        "northing": 6510913.1393,
        "existing_z": 211.2825,
        "design_z": 210.6832,
        "delta_z": -0.5993
      },
      {
        "ch": 20.0,
        "easting": 451319.2862,
        "northing": 6510922.7986,
        "existing_z": 211.4402,
        "design_z": 210.5107,
        "delta_z": -0.9295
      },
      {
        "ch": 30.0,
        "easting": 451321.8742,
        "northing": 6510932.4579,
        "existing_z": 211.5397,
        "design_z": 210.3382,
        "delta_z": -1.2015
      },
      {
        "ch": 40.0,
        "easting": 451324.4623,
        "northing": 6510942.1172,
        "existing_z": 211.3848,
        "design_z": 210.1657,
        "delta_z": -1.219
      },
      {
        "ch": 50.0,
        "easting": 451327.0504,
        "northing": 6510951.7764,
        "existing_z": 211.2003,
        "design_z": 209.9933,
        "delta_z": -1.2071
      },
      {
        "ch": 50.972,
        "easting": 451327.3019,
        "northing": 6510952.7153,
        "existing_z": 211.1628,
        "design_z": 209.9765,
        "delta_z": -1.1863
      },
      {
        "ch": 60.0,
        "easting": 451329.5922,
        "northing": 6510961.4473,
        "existing_z": 210.8136,
        "design_z": 209.7808,
        "delta_z": -1.0328
      },
      {
        "ch": 70.0,
        "easting": 451330.5393,
        "northing": 6510971.3787,
        "existing_z": 210.3455,
        "design_z": 209.4709,
        "delta_z": -0.8746
      },
      {
        "ch": 70.972,
        "easting": 451330.5048,
        "northing": 6510972.35,
        "existing_z": 210.2917,
        "design_z": 209.4356,
        "delta_z": -0.8561
      },
      {
        "ch": 80.0,
        "easting": 451329.1174,
        "northing": 6510981.2532,
        "existing_z": 209.7705,
        "design_z": 209.0631,
        "delta_z": -0.7074
      },
      {
        "ch": 90.0,
        "easting": 451325.4066,
        "northing": 6510990.5138,
        "existing_z": 209.1398,
        "design_z": 208.5573,
        "delta_z": -0.5826
      },
      {
        "ch": 90.972,
        "easting": 451324.9307,
        "northing": 6510991.3613,
        "existing_z": 209.083,
        "design_z": 208.5029,
        "delta_z": -0.5801
      },
      {
        "ch": 100.0,
        "easting": 451319.6164,
        "northing": 6510998.638,
        "existing_z": 208.5532,
        "design_z": 207.9934,
        "delta_z": -0.5598
      },
      {
        "ch": 110.0,
        "easting": 451312.0734,
        "northing": 6511005.1673,
        "existing_z": 207.9836,
        "design_z": 207.4291,
        "delta_z": -0.5545
      },
      {
        "ch": 120.0,
        "easting": 451303.2033,
        "northing": 6511009.7334,
        "existing_z": 207.3357,
        "design_z": 206.8648,
        "delta_z": -0.4709
      },
      {
        "ch": 121.944,
        "easting": 451301.3664,
        "northing": 6511010.3692,
        "existing_z": 207.2181,
        "design_z": 206.7551,
        "delta_z": -0.463
      },
      {
        "ch": 130.0,
        "easting": 451293.5983,
        "northing": 6511012.5013,
        "existing_z": 206.7586,
        "design_z": 206.2993,
        "delta_z": -0.4593
      },
      {
        "ch": 140.0,
        "easting": 451283.9391,
        "northing": 6511015.0897,
        "existing_z": 206.0473,
        "design_z": 205.73,
        "delta_z": -0.3173
      },
      {
        "ch": 141.944,
        "easting": 451282.0614,
        "northing": 6511015.5928,
        "existing_z": 205.8924,
        "design_z": 205.6189,
        "delta_z": -0.2735
      },
      {
        "ch": 150.0,
        "easting": 451274.2799,
        "northing": 6511017.678,
        "existing_z": 205.2459,
        "design_z": 205.157,
        "delta_z": -0.089
      },
      {
        "ch": 160.0,
        "easting": 451264.6207,
        "northing": 6511020.2663,
        "existing_z": 204.356,
        "design_z": 204.5801,
        "delta_z": 0.2241
      },
      {
        "ch": 161.944,
        "easting": 451262.7429,
        "northing": 6511020.7695,
        "existing_z": 204.1707,
        "design_z": 204.4676,
        "delta_z": 0.2969
      },
      {
        "ch": 170.0,
        "easting": 451254.9615,
        "northing": 6511022.8547,
        "existing_z": 203.4029,
        "design_z": 204.0007,
        "delta_z": 0.5979
      },
      {
        "ch": 180.0,
        "easting": 451245.3022,
        "northing": 6511025.443,
        "existing_z": 202.4496,
        "design_z": 203.4213,
        "delta_z": 0.9717
      },
      {
        "ch": 182.6423,
        "easting": 451242.75,
        "northing": 6511026.1269,
        "existing_z": 202.2007,
        "design_z": 203.2682,
        "delta_z": 1.0674
      },
      {
        "ch": 190.0,
        "easting": 451235.643,
        "northing": 6511028.0313,
        "existing_z": 201.5198,
        "design_z": 202.8869,
        "delta_z": 1.3671
      },
      {
        "ch": 200.0,
        "easting": 451225.9838,
        "northing": 6511030.6197,
        "existing_z": 200.6769,
        "design_z": 202.5134,
        "delta_z": 1.8365
      },
      {
        "ch": 210.0,
        "easting": 451216.3246,
        "northing": 6511033.208,
        "existing_z": 200.0219,
        "design_z": 202.3066,
        "delta_z": 2.2847
      },
      {
        "ch": 212.916,
        "easting": 451213.508,
        "northing": 6511033.9627,
        "existing_z": 199.8465,
        "design_z": 202.2777,
        "delta_z": 2.4312
      },
      {
        "ch": 220.0,
        "easting": 451206.6654,
        "northing": 6511035.7963,
        "existing_z": 199.4515,
        "design_z": 202.2664,
        "delta_z": 2.8149
      },
      {
        "ch": 230.0,
        "easting": 451197.0183,
        "northing": 6511038.4272,
        "existing_z": 198.9696,
        "design_z": 202.3929,
        "delta_z": 3.4233
      },
      {
        "ch": 240.0,
        "easting": 451188.1359,
        "northing": 6511042.9331,
        "existing_z": 198.7604,
        "design_z": 202.6861,
        "delta_z": 3.9257
      },
      {
        "ch": 243.1897,
        "easting": 451185.645,
        "northing": 6511044.9234,
        "existing_z": 198.7706,
        "design_z": 202.8147,
        "delta_z": 4.0441
      },
      {
        "ch": 250.0,
        "easting": 451181.0542,
        "northing": 6511049.9366,
        "existing_z": 198.9721,
        "design_z": 203.1073,
        "delta_z": 4.1352
      },
      {
        "ch": 259.5231,
        "easting": 451176.6057,
        "northing": 6511058.3176,
        "existing_z": 199.889,
        "design_z": 203.5165,
        "delta_z": 3.6275
      },
      {
        "ch": 260.0,
        "easting": 451176.45,
        "northing": 6511058.7684,
        "existing_z": 199.9449,
        "design_z": 203.5371,
        "delta_z": 3.5922
      },
      {
        "ch": 270.0,
        "easting": 451174.2458,
        "northing": 6511068.5141,
        "existing_z": 201.2382,
        "design_z": 204.0581,
        "delta_z": 2.8199
      },
      {
        "ch": 280.0,
        "easting": 451173.1852,
        "northing": 6511078.4327,
        "existing_z": 202.8408,
        "design_z": 204.7457,
        "delta_z": 1.9049
      },
      {
        "ch": 283.888,
        "easting": 451173.4714,
        "northing": 6511082.3084,
        "existing_z": 203.5026,
        "design_z": 205.058,
        "delta_z": 1.5554
      },
      {
        "ch": 290.0,
        "easting": 451174.7245,
        "northing": 6511088.2837,
        "existing_z": 204.5344,
        "design_z": 205.6,
        "delta_z": 1.0656
      },
      {
        "ch": 300.0,
        "easting": 451178.7996,
        "northing": 6511097.3834,
        "existing_z": 206.2061,
        "design_z": 206.6209,
        "delta_z": 0.4148
      },
      {
        "ch": 308.2529,
        "easting": 451183.8743,
        "northing": 6511103.8707,
        "existing_z": 207.4033,
        "design_z": 207.589,
        "delta_z": 0.1857
      },
      {
        "ch": 310.0,
        "easting": 451185.1079,
        "northing": 6511105.1079,
        "existing_z": 207.6289,
        "design_z": 207.806,
        "delta_z": 0.1771
      },
      {
        "ch": 320.0,
        "easting": 451192.1789,
        "northing": 6511112.1789,
        "existing_z": 208.8647,
        "design_z": 209.0478,
        "delta_z": 0.1832
      },
      {
        "ch": 330.0,
        "easting": 451199.25,
        "northing": 6511119.25,
        "existing_z": 209.9808,
        "design_z": 210.2897,
        "delta_z": 0.3089
      },
      {
        "ch": 340.0,
        "easting": 451206.3211,
        "northing": 6511126.3211,
        "existing_z": 211.0061,
        "design_z": 211.5315,
        "delta_z": 0.5254
      },
      {
        "ch": 350.0,
        "easting": 451207.3117,
        "northing": 6511135.3822,
        "existing_z": 212.5197,
        "design_z": 212.7733,
        "delta_z": 0.2536
      },
      {
        "ch": 354.86,
        "easting": 451205.14,
        "northing": 6511139.73,
        "existing_z": 213.3768,
        "design_z": 213.3768,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD256",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 56.569,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 10.03,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449750.0,
          6511010.0
        ],
        "end": [
          449710.0,
          6511050.0
        ],
        "chainage_start": 0,
        "length": 56.568542494923804
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449750.0,
        "northing": 6511010.0,
        "existing_z": 182.1339,
        "design_z": 182.1339,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449742.9289,
        "northing": 6511017.0711,
        "existing_z": 181.1849,
        "design_z": 181.131,
        "delta_z": -0.0539
      },
      {
        "ch": 20.0,
        "easting": 449735.8579,
        "northing": 6511024.1421,
        "existing_z": 180.1626,
        "design_z": 180.1281,
        "delta_z": -0.0345
      },
      {
        "ch": 30.0,
        "easting": 449728.7868,
        "northing": 6511031.2132,
        "existing_z": 179.1124,
        "design_z": 179.1252,
        "delta_z": 0.0128
      },
      {
        "ch": 40.0,
        "easting": 449721.7157,
        "northing": 6511038.2843,
        "existing_z": 178.1944,
        "design_z": 178.1222,
        "delta_z": -0.0722
      },
      {
        "ch": 50.0,
        "easting": 449714.6447,
        "northing": 6511045.3553,
        "existing_z": 177.1797,
        "design_z": 177.1193,
        "delta_z": -0.0604
      },
      {
        "ch": 56.5685,
        "easting": 449710.0,
        "northing": 6511050.0,
        "existing_z": 176.4605,
        "design_z": 176.4605,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD257",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 53.966,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 10.13,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449711.8395432619,
          6511051.839543262
        ],
        "end": [
          449750.0,
          6511013.68
        ],
        "chainage_start": 0,
        "length": 53.96638954398664
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449711.8395,
        "northing": 6511051.8395,
        "existing_z": 176.4023,
        "design_z": 176.4023,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449718.9107,
        "northing": 6511044.7686,
        "existing_z": 177.4678,
        "design_z": 177.4151,
        "delta_z": -0.0527
      },
      {
        "ch": 20.0,
        "easting": 449725.9818,
        "northing": 6511037.6976,
        "existing_z": 178.4493,
        "design_z": 178.428,
        "delta_z": -0.0213
      },
      {
        "ch": 30.0,
        "easting": 449733.053,
        "northing": 6511030.6266,
        "existing_z": 179.4294,
        "design_z": 179.4408,
        "delta_z": 0.0114
      },
      {
        "ch": 40.0,
        "easting": 449740.1242,
        "northing": 6511023.5556,
        "existing_z": 180.4959,
        "design_z": 180.4537,
        "delta_z": -0.0422
      },
      {
        "ch": 50.0,
        "easting": 449747.1953,
        "northing": 6511016.4846,
        "existing_z": 181.493,
        "design_z": 181.4665,
        "delta_z": -0.0265
      },
      {
        "ch": 53.9664,
        "easting": 449750.0,
        "northing": 6511013.68,
        "existing_z": 181.8683,
        "design_z": 181.8683,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD258",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 418.841,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.02,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449563.92999999993,
          6511196.07
        ],
        "end": [
          449523.98539999995,
          6511156.1254
        ],
        "chainage_start": 0,
        "length": 56.4901950635925
      },
      {
        "type": "ARC",
        "centre": [
          449552.9108,
          6511127.2
        ],
        "radius": 40.90669297712813,
        "start_angle_rad": 2.356194490192345,
        "sweep_rad": 1.5707963267937504,
        "start": [
          449523.98539999995,
          6511156.1254
        ],
        "end": [
          449523.9854,
          6511098.2746
        ],
        "chainage_start": 56.4901950635925,
        "length": 64.25608306975258,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449523.98539999995,
          6511098.2746
        ],
        "end": [
          449734.77,
          6510887.49
        ],
        "chainage_start": 120.74627813334507,
        "length": 298.094440059366
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 69.80678636545184,
        "pvi_z": 162.92885143147154,
        "bvc": 49.80678636545184,
        "evc": 89.80678636545184,
        "length": 40.0,
        "g1": 0.06059865346788729,
        "g2": 0.10017125411054256,
        "z_bvc": 161.7168783621138,
        "K_m_per_percent": 10.108003858832575
      },
      {
        "pvi_ch": 139.61357273090368,
        "pvi_z": 169.92148476712558,
        "bvc": 119.61357273090368,
        "evc": 159.61357273090368,
        "length": 40.0,
        "g1": 0.10017125411054256,
        "g2": 0.11018162255687483,
        "z_bvc": 167.91805968491474,
        "K_m_per_percent": 39.95856917200258
      },
      {
        "pvi_ch": 209.42035909635553,
        "pvi_z": 177.6129097543522,
        "bvc": 189.42035909635553,
        "evc": 229.42035909635553,
        "length": 40.0,
        "g1": 0.11018162255687483,
        "g2": 0.08846439732828057,
        "z_bvc": 175.40927730321468,
        "K_m_per_percent": 18.41855926756863
      },
      {
        "pvi_ch": 279.22714546180737,
        "pvi_z": 183.78832503959592,
        "bvc": 259.22714546180737,
        "evc": 299.22714546180737,
        "length": 40.0,
        "g1": 0.08846439732828057,
        "g2": 0.06957826162356773,
        "z_bvc": 182.0190370930303,
        "K_m_per_percent": 21.179557652981604
      },
      {
        "pvi_ch": 349.0339318272592,
        "pvi_z": 188.64535988443183,
        "bvc": 329.0339318272592,
        "evc": 369.0339318272592,
        "length": 40.0,
        "g1": 0.06957826162356773,
        "g2": 0.05549346439097694,
        "z_bvc": 187.25379465196048,
        "K_m_per_percent": 28.399414872259616
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449563.93,
        "northing": 6511196.07,
        "existing_z": 158.6987,
        "design_z": 158.6987,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449556.8589,
        "northing": 6511188.9989,
        "existing_z": 159.1278,
        "design_z": 159.3046,
        "delta_z": 0.1768
      },
      {
        "ch": 20.0,
        "easting": 449549.7879,
        "northing": 6511181.9279,
        "existing_z": 159.6598,
        "design_z": 159.9106,
        "delta_z": 0.2508
      },
      {
        "ch": 30.0,
        "easting": 449542.7168,
        "northing": 6511174.8568,
        "existing_z": 160.1546,
        "design_z": 160.5166,
        "delta_z": 0.362
      },
      {
        "ch": 40.0,
        "easting": 449535.6457,
        "northing": 6511167.7857,
        "existing_z": 160.6607,
        "design_z": 161.1226,
        "delta_z": 0.4619
      },
      {
        "ch": 49.8068,
        "easting": 449528.7113,
        "northing": 6511160.8513,
        "existing_z": 161.1509,
        "design_z": 161.7169,
        "delta_z": 0.566
      },
      {
        "ch": 50.0,
        "easting": 449528.5747,
        "northing": 6511160.7147,
        "existing_z": 161.1595,
        "design_z": 161.7286,
        "delta_z": 0.5691
      },
      {
        "ch": 60.0,
        "easting": 449521.613,
        "northing": 6511153.5402,
        "existing_z": 161.6116,
        "design_z": 162.386,
        "delta_z": 0.7744
      },
      {
        "ch": 69.8068,
        "easting": 449516.2538,
        "northing": 6511145.3554,
        "existing_z": 162.2235,
        "design_z": 163.1267,
        "delta_z": 0.9032
      },
      {
        "ch": 70.0,
        "easting": 449516.1684,
        "northing": 6511145.1821,
        "existing_z": 162.2375,
        "design_z": 163.1423,
        "delta_z": 0.9047
      },
      {
        "ch": 80.0,
        "easting": 449512.9086,
        "northing": 6511135.7546,
        "existing_z": 163.0659,
        "design_z": 163.9975,
        "delta_z": 0.9315
      },
      {
        "ch": 89.8068,
        "easting": 449512.0214,
        "northing": 6511126.0116,
        "existing_z": 164.0426,
        "design_z": 164.9323,
        "delta_z": 0.8896
      },
      {
        "ch": 90.0,
        "easting": 449512.0274,
        "northing": 6511125.8185,
        "existing_z": 164.0633,
        "design_z": 164.9516,
        "delta_z": 0.8884
      },
      {
        "ch": 100.0,
        "easting": 449513.5773,
        "northing": 6511115.9645,
        "existing_z": 165.1785,
        "design_z": 165.9533,
        "delta_z": 0.7748
      },
      {
        "ch": 110.0,
        "easting": 449517.4661,
        "northing": 6511106.7786,
        "existing_z": 166.3601,
        "design_z": 166.9551,
        "delta_z": 0.5949
      },
      {
        "ch": 119.6136,
        "easting": 449523.1956,
        "northing": 6511099.0865,
        "existing_z": 167.5113,
        "design_z": 167.9181,
        "delta_z": 0.4067
      },
      {
        "ch": 120.0,
        "easting": 449523.4625,
        "northing": 6511098.8071,
        "existing_z": 167.5565,
        "design_z": 167.9568,
        "delta_z": 0.4003
      },
      {
        "ch": 130.0,
        "easting": 449530.5288,
        "northing": 6511091.7312,
        "existing_z": 168.7227,
        "design_z": 168.972,
        "delta_z": 0.2492
      },
      {
        "ch": 139.6136,
        "easting": 449537.3266,
        "northing": 6511084.9334,
        "existing_z": 169.8201,
        "design_z": 169.9715,
        "delta_z": 0.1514
      },
      {
        "ch": 140.0,
        "easting": 449537.5998,
        "northing": 6511084.6602,
        "existing_z": 169.8649,
        "design_z": 170.0122,
        "delta_z": 0.1473
      },
      {
        "ch": 150.0,
        "easting": 449544.6709,
        "northing": 6511077.5891,
        "existing_z": 171.0359,
        "design_z": 171.0774,
        "delta_z": 0.0416
      },
      {
        "ch": 159.6136,
        "easting": 449551.4687,
        "northing": 6511070.7913,
        "existing_z": 172.1656,
        "design_z": 172.1251,
        "delta_z": -0.0405
      },
      {
        "ch": 160.0,
        "easting": 449551.742,
        "northing": 6511070.518,
        "existing_z": 172.2086,
        "design_z": 172.1677,
        "delta_z": -0.0409
      },
      {
        "ch": 170.0,
        "easting": 449558.813,
        "northing": 6511063.447,
        "existing_z": 173.3801,
        "design_z": 173.2695,
        "delta_z": -0.1106
      },
      {
        "ch": 180.0,
        "easting": 449565.8841,
        "northing": 6511056.3759,
        "existing_z": 174.5832,
        "design_z": 174.3713,
        "delta_z": -0.2118
      },
      {
        "ch": 189.4204,
        "easting": 449572.5453,
        "northing": 6511049.7147,
        "existing_z": 175.6993,
        "design_z": 175.4093,
        "delta_z": -0.29
      },
      {
        "ch": 190.0,
        "easting": 449572.9552,
        "northing": 6511049.3048,
        "existing_z": 175.7664,
        "design_z": 175.4731,
        "delta_z": -0.2933
      },
      {
        "ch": 200.0,
        "easting": 449580.0262,
        "northing": 6511042.2338,
        "existing_z": 176.9153,
        "design_z": 176.5446,
        "delta_z": -0.3707
      },
      {
        "ch": 209.4204,
        "easting": 449586.6874,
        "northing": 6511035.5726,
        "existing_z": 177.9819,
        "design_z": 177.5043,
        "delta_z": -0.4775
      },
      {
        "ch": 210.0,
        "easting": 449587.0973,
        "northing": 6511035.1627,
        "existing_z": 178.047,
        "design_z": 177.5618,
        "delta_z": -0.4852
      },
      {
        "ch": 220.0,
        "easting": 449594.1684,
        "northing": 6511028.0916,
        "existing_z": 179.0723,
        "design_z": 178.5247,
        "delta_z": -0.5476
      },
      {
        "ch": 229.4204,
        "easting": 449600.8296,
        "northing": 6511021.4304,
        "existing_z": 179.9464,
        "design_z": 179.3822,
        "delta_z": -0.5642
      },
      {
        "ch": 230.0,
        "easting": 449601.2394,
        "northing": 6511021.0206,
        "existing_z": 179.9991,
        "design_z": 179.4335,
        "delta_z": -0.5656
      },
      {
        "ch": 240.0,
        "easting": 449608.3105,
        "northing": 6511013.9495,
        "existing_z": 180.8898,
        "design_z": 180.3181,
        "delta_z": -0.5717
      },
      {
        "ch": 250.0,
        "easting": 449615.3816,
        "northing": 6511006.8784,
        "existing_z": 181.7252,
        "design_z": 181.2028,
        "delta_z": -0.5225
      },
      {
        "ch": 259.2271,
        "easting": 449621.9062,
        "northing": 6511000.3538,
        "existing_z": 182.4743,
        "design_z": 182.019,
        "delta_z": -0.4553
      },
      {
        "ch": 260.0,
        "easting": 449622.4527,
        "northing": 6510999.8073,
        "existing_z": 182.5352,
        "design_z": 182.0873,
        "delta_z": -0.4479
      },
      {
        "ch": 270.0,
        "easting": 449629.5237,
        "northing": 6510992.7363,
        "existing_z": 183.2956,
        "design_z": 182.9447,
        "delta_z": -0.351
      },
      {
        "ch": 279.2271,
        "easting": 449636.0483,
        "northing": 6510986.2117,
        "existing_z": 183.9902,
        "design_z": 183.6939,
        "delta_z": -0.2963
      },
      {
        "ch": 280.0,
        "easting": 449636.5948,
        "northing": 6510985.6652,
        "existing_z": 184.0477,
        "design_z": 183.7548,
        "delta_z": -0.2929
      },
      {
        "ch": 290.0,
        "easting": 449643.6659,
        "northing": 6510978.5941,
        "existing_z": 184.7582,
        "design_z": 184.5178,
        "delta_z": -0.2404
      },
      {
        "ch": 299.2271,
        "easting": 449650.1904,
        "northing": 6510972.0696,
        "existing_z": 185.3608,
        "design_z": 185.1799,
        "delta_z": -0.1809
      },
      {
        "ch": 300.0,
        "easting": 449650.7369,
        "northing": 6510971.5231,
        "existing_z": 185.416,
        "design_z": 185.2337,
        "delta_z": -0.1823
      },
      {
        "ch": 310.0,
        "easting": 449657.808,
        "northing": 6510964.452,
        "existing_z": 186.1419,
        "design_z": 185.9294,
        "delta_z": -0.2125
      },
      {
        "ch": 320.0,
        "easting": 449664.8791,
        "northing": 6510957.3809,
        "existing_z": 186.8464,
        "design_z": 186.6252,
        "delta_z": -0.2211
      },
      {
        "ch": 329.0339,
        "easting": 449671.267,
        "northing": 6510950.993,
        "existing_z": 187.4757,
        "design_z": 187.2538,
        "delta_z": -0.2219
      },
      {
        "ch": 330.0,
        "easting": 449671.9501,
        "northing": 6510950.3099,
        "existing_z": 187.5495,
        "design_z": 187.3208,
        "delta_z": -0.2286
      },
      {
        "ch": 340.0,
        "easting": 449679.0212,
        "northing": 6510943.2388,
        "existing_z": 188.2507,
        "design_z": 187.9956,
        "delta_z": -0.2551
      },
      {
        "ch": 349.0339,
        "easting": 449685.4091,
        "northing": 6510936.8509,
        "existing_z": 188.8664,
        "design_z": 188.5749,
        "delta_z": -0.2915
      },
      {
        "ch": 350.0,
        "easting": 449686.0923,
        "northing": 6510936.1677,
        "existing_z": 188.9314,
        "design_z": 188.6352,
        "delta_z": -0.2962
      },
      {
        "ch": 360.0,
        "easting": 449693.1633,
        "northing": 6510929.0967,
        "existing_z": 189.6064,
        "design_z": 189.2395,
        "delta_z": -0.3668
      },
      {
        "ch": 369.0339,
        "easting": 449699.5513,
        "northing": 6510922.7087,
        "existing_z": 190.1385,
        "design_z": 189.7552,
        "delta_z": -0.3832
      },
      {
        "ch": 370.0,
        "easting": 449700.2344,
        "northing": 6510922.0256,
        "existing_z": 190.1943,
        "design_z": 189.8088,
        "delta_z": -0.3855
      },
      {
        "ch": 380.0,
        "easting": 449707.3055,
        "northing": 6510914.9545,
        "existing_z": 190.7607,
        "design_z": 190.3638,
        "delta_z": -0.397
      },
      {
        "ch": 390.0,
        "easting": 449714.3765,
        "northing": 6510907.8835,
        "existing_z": 191.2895,
        "design_z": 190.9187,
        "delta_z": -0.3708
      },
      {
        "ch": 400.0,
        "easting": 449721.4476,
        "northing": 6510900.8124,
        "existing_z": 191.7361,
        "design_z": 191.4736,
        "delta_z": -0.2624
      },
      {
        "ch": 410.0,
        "easting": 449728.5187,
        "northing": 6510893.7413,
        "existing_z": 192.1567,
        "design_z": 192.0286,
        "delta_z": -0.1281
      },
      {
        "ch": 418.8407,
        "easting": 449734.77,
        "northing": 6510887.49,
        "existing_z": 192.5192,
        "design_z": 192.5192,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD259",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 2.602,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 2.24,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449710.0,
          6511050.0
        ],
        "end": [
          449711.8395432619,
          6511051.839543262
        ],
        "chainage_start": 0,
        "length": 2.601507029324594
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449710.0,
        "northing": 6511050.0,
        "existing_z": 176.4605,
        "design_z": 176.4605,
        "delta_z": 0.0
      },
      {
        "ch": 2.6015,
        "easting": 449711.8395,
        "northing": 6511051.8395,
        "existing_z": 176.4023,
        "design_z": 176.4023,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD260",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 76.32,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.08,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449750.0,
          6511013.68
        ],
        "end": [
          449750.0,
          6511090.0
        ],
        "chainage_start": 0,
        "length": 76.32000000029802
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449750.0,
        "northing": 6511013.68,
        "existing_z": 181.8683,
        "design_z": 181.8683,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449750.0,
        "northing": 6511023.68,
        "existing_z": 181.1463,
        "design_z": 181.26,
        "delta_z": 0.1137
      },
      {
        "ch": 20.0,
        "easting": 449750.0,
        "northing": 6511033.68,
        "existing_z": 180.4489,
        "design_z": 180.6517,
        "delta_z": 0.2028
      },
      {
        "ch": 30.0,
        "easting": 449750.0,
        "northing": 6511043.68,
        "existing_z": 179.7936,
        "design_z": 180.0434,
        "delta_z": 0.2498
      },
      {
        "ch": 40.0,
        "easting": 449750.0,
        "northing": 6511053.68,
        "existing_z": 179.1601,
        "design_z": 179.4352,
        "delta_z": 0.2751
      },
      {
        "ch": 50.0,
        "easting": 449750.0,
        "northing": 6511063.68,
        "existing_z": 178.5637,
        "design_z": 178.8269,
        "delta_z": 0.2632
      },
      {
        "ch": 60.0,
        "easting": 449750.0,
        "northing": 6511073.68,
        "existing_z": 178.01,
        "design_z": 178.2186,
        "delta_z": 0.2087
      },
      {
        "ch": 70.0,
        "easting": 449750.0,
        "northing": 6511083.68,
        "existing_z": 177.5295,
        "design_z": 177.6103,
        "delta_z": 0.0808
      },
      {
        "ch": 76.32,
        "easting": 449750.0,
        "northing": 6511090.0,
        "existing_z": 177.2259,
        "design_z": 177.2259,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD261",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 46.037,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 9.7,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449679.28572674806,
          6511084.39258051
        ],
        "end": [
          449711.8395432619,
          6511051.839543262
        ],
        "chainage_start": 0,
        "length": 46.0374978004177
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449679.2857,
        "northing": 6511084.3926,
        "existing_z": 171.9368,
        "design_z": 171.9368,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449686.3569,
        "northing": 6511077.3216,
        "existing_z": 172.8237,
        "design_z": 172.9067,
        "delta_z": 0.0831
      },
      {
        "ch": 20.0,
        "easting": 449693.428,
        "northing": 6511070.2506,
        "existing_z": 173.7509,
        "design_z": 173.8767,
        "delta_z": 0.1258
      },
      {
        "ch": 30.0,
        "easting": 449700.4992,
        "northing": 6511063.1796,
        "existing_z": 174.8189,
        "design_z": 174.8467,
        "delta_z": 0.0278
      },
      {
        "ch": 40.0,
        "easting": 449707.5703,
        "northing": 6511056.1086,
        "existing_z": 175.8015,
        "design_z": 175.8166,
        "delta_z": 0.0151
      },
      {
        "ch": 46.0375,
        "easting": 449711.8395,
        "northing": 6511051.8395,
        "existing_z": 176.4023,
        "design_z": 176.4023,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD262",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 56.569,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 9.53,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449670.0,
          6511090.0
        ],
        "end": [
          449710.0,
          6511050.0
        ],
        "chainage_start": 0,
        "length": 56.568542494923804
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449670.0,
        "northing": 6511090.0,
        "existing_z": 171.0687,
        "design_z": 171.0687,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449677.0711,
        "northing": 6511082.9289,
        "existing_z": 172.0239,
        "design_z": 172.0219,
        "delta_z": -0.0021
      },
      {
        "ch": 20.0,
        "easting": 449684.1421,
        "northing": 6511075.8579,
        "existing_z": 172.9143,
        "design_z": 172.975,
        "delta_z": 0.0607
      },
      {
        "ch": 30.0,
        "easting": 449691.2132,
        "northing": 6511068.7868,
        "existing_z": 173.7964,
        "design_z": 173.9282,
        "delta_z": 0.1317
      },
      {
        "ch": 40.0,
        "easting": 449698.2843,
        "northing": 6511061.7157,
        "existing_z": 174.8731,
        "design_z": 174.8813,
        "delta_z": 0.0082
      },
      {
        "ch": 50.0,
        "easting": 449705.3553,
        "northing": 6511054.6447,
        "existing_z": 175.8605,
        "design_z": 175.8345,
        "delta_z": -0.0261
      },
      {
        "ch": 56.5685,
        "easting": 449710.0,
        "northing": 6511050.0,
        "existing_z": 176.4605,
        "design_z": 176.4605,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD263",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 53.967,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 1.53,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449711.8395432619,
          6511051.839543262
        ],
        "end": [
          449750.0,
          6511090.0
        ],
        "chainage_start": 0,
        "length": 53.96703546559921
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449711.8395,
        "northing": 6511051.8395,
        "existing_z": 176.4023,
        "design_z": 176.4023,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449718.9106,
        "northing": 6511058.9106,
        "existing_z": 176.2394,
        "design_z": 176.5549,
        "delta_z": 0.3155
      },
      {
        "ch": 20.0,
        "easting": 449725.9817,
        "northing": 6511065.9817,
        "existing_z": 176.1738,
        "design_z": 176.7075,
        "delta_z": 0.5337
      },
      {
        "ch": 30.0,
        "easting": 449733.0527,
        "northing": 6511073.0527,
        "existing_z": 176.3013,
        "design_z": 176.8601,
        "delta_z": 0.5588
      },
      {
        "ch": 40.0,
        "easting": 449740.1238,
        "northing": 6511080.1238,
        "existing_z": 176.6357,
        "design_z": 177.0128,
        "delta_z": 0.3771
      },
      {
        "ch": 50.0,
        "easting": 449747.1949,
        "northing": 6511087.1949,
        "existing_z": 177.0437,
        "design_z": 177.1654,
        "delta_z": 0.1217
      },
      {
        "ch": 53.967,
        "easting": 449750.0,
        "northing": 6511090.0,
        "existing_z": 177.2259,
        "design_z": 177.2259,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD264",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 197.168,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 13.86,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450580.01,
          6511100.18
        ],
        "end": [
          450770.4600837586,
          6511049.150312485
        ],
        "chainage_start": 0,
        "length": 197.1681095194532
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 65.72270317315106,
        "pvi_z": 186.81144089280338,
        "bvc": 45.72270317315106,
        "evc": 85.72270317315106,
        "length": 40.0,
        "g1": -0.13855474172823276,
        "g2": -0.1103660981407129,
        "z_bvc": 189.58253572736803,
        "K_m_per_percent": 14.190111658196088
      },
      {
        "pvi_ch": 131.44540634630212,
        "pvi_z": 179.55788258432244,
        "bvc": 111.44540634630212,
        "evc": 151.44540634630212,
        "length": 40.0,
        "g1": -0.1103660981407129,
        "g2": -0.09526516068233666,
        "z_bvc": 181.7652045471367,
        "K_m_per_percent": 26.48842173557422
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450580.01,
        "northing": 6511100.18,
        "existing_z": 195.9176,
        "design_z": 195.9176,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450589.6693,
        "northing": 6511097.5919,
        "existing_z": 194.2527,
        "design_z": 194.5321,
        "delta_z": 0.2794
      },
      {
        "ch": 20.0,
        "easting": 450599.3285,
        "northing": 6511095.0037,
        "existing_z": 192.645,
        "design_z": 193.1465,
        "delta_z": 0.5015
      },
      {
        "ch": 30.0,
        "easting": 450608.9878,
        "northing": 6511092.4156,
        "existing_z": 191.0884,
        "design_z": 191.761,
        "delta_z": 0.6726
      },
      {
        "ch": 40.0,
        "easting": 450618.6471,
        "northing": 6511089.8275,
        "existing_z": 189.6642,
        "design_z": 190.3754,
        "delta_z": 0.7113
      },
      {
        "ch": 45.7227,
        "easting": 450624.1748,
        "northing": 6511088.3464,
        "existing_z": 188.8923,
        "design_z": 189.5825,
        "delta_z": 0.6902
      },
      {
        "ch": 50.0,
        "easting": 450628.3064,
        "northing": 6511087.2393,
        "existing_z": 188.327,
        "design_z": 188.9963,
        "delta_z": 0.6693
      },
      {
        "ch": 60.0,
        "easting": 450637.9656,
        "northing": 6511084.6512,
        "existing_z": 187.0922,
        "design_z": 187.6762,
        "delta_z": 0.584
      },
      {
        "ch": 65.7227,
        "easting": 450643.4934,
        "northing": 6511083.1701,
        "existing_z": 186.4132,
        "design_z": 186.9524,
        "delta_z": 0.5392
      },
      {
        "ch": 70.0,
        "easting": 450647.6249,
        "northing": 6511082.0631,
        "existing_z": 185.916,
        "design_z": 186.4265,
        "delta_z": 0.5105
      },
      {
        "ch": 80.0,
        "easting": 450657.2842,
        "northing": 6511079.475,
        "existing_z": 184.771,
        "design_z": 185.2473,
        "delta_z": 0.4763
      },
      {
        "ch": 85.7227,
        "easting": 450662.8119,
        "northing": 6511077.9938,
        "existing_z": 184.1331,
        "design_z": 184.6041,
        "delta_z": 0.471
      },
      {
        "ch": 90.0,
        "easting": 450666.9435,
        "northing": 6511076.8868,
        "existing_z": 183.666,
        "design_z": 184.1321,
        "delta_z": 0.466
      },
      {
        "ch": 100.0,
        "easting": 450676.6027,
        "northing": 6511074.2987,
        "existing_z": 182.5835,
        "design_z": 183.0284,
        "delta_z": 0.4449
      },
      {
        "ch": 110.0,
        "easting": 450686.262,
        "northing": 6511071.7106,
        "existing_z": 181.53,
        "design_z": 181.9247,
        "delta_z": 0.3948
      },
      {
        "ch": 111.4454,
        "easting": 450687.6582,
        "northing": 6511071.3365,
        "existing_z": 181.3809,
        "design_z": 181.7652,
        "delta_z": 0.3843
      },
      {
        "ch": 120.0,
        "easting": 450695.9213,
        "northing": 6511069.1224,
        "existing_z": 180.5141,
        "design_z": 180.8349,
        "delta_z": 0.3208
      },
      {
        "ch": 130.0,
        "easting": 450705.5806,
        "northing": 6511066.5343,
        "existing_z": 179.5134,
        "design_z": 179.7824,
        "delta_z": 0.269
      },
      {
        "ch": 131.4454,
        "easting": 450706.9767,
        "northing": 6511066.1602,
        "existing_z": 179.3707,
        "design_z": 179.6334,
        "delta_z": 0.2627
      },
      {
        "ch": 140.0,
        "easting": 450715.2398,
        "northing": 6511063.9462,
        "existing_z": 178.5385,
        "design_z": 178.7677,
        "delta_z": 0.2291
      },
      {
        "ch": 150.0,
        "easting": 450724.8991,
        "northing": 6511061.358,
        "existing_z": 177.5886,
        "design_z": 177.7907,
        "delta_z": 0.2021
      },
      {
        "ch": 151.4454,
        "easting": 450726.2953,
        "northing": 6511060.9839,
        "existing_z": 177.4532,
        "design_z": 177.6526,
        "delta_z": 0.1994
      },
      {
        "ch": 160.0,
        "easting": 450734.5584,
        "northing": 6511058.7699,
        "existing_z": 176.643,
        "design_z": 176.8376,
        "delta_z": 0.1946
      },
      {
        "ch": 170.0,
        "easting": 450744.2177,
        "northing": 6511056.1818,
        "existing_z": 175.7002,
        "design_z": 175.885,
        "delta_z": 0.1848
      },
      {
        "ch": 180.0,
        "easting": 450753.8769,
        "northing": 6511053.5936,
        "existing_z": 174.7871,
        "design_z": 174.9323,
        "delta_z": 0.1452
      },
      {
        "ch": 190.0,
        "easting": 450763.5362,
        "northing": 6511051.0055,
        "existing_z": 173.9055,
        "design_z": 173.9797,
        "delta_z": 0.0742
      },
      {
        "ch": 197.1681,
        "easting": 450770.4601,
        "northing": 6511049.1503,
        "existing_z": 173.2968,
        "design_z": 173.2968,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD265",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 381.098,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 7.7,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452186.1777372033,
          6511213.707737203
        ],
        "end": [
          452185.6280496254,
          6511213.158049625
        ],
        "chainage_start": 0,
        "length": 0.7773756274138309
      },
      {
        "type": "ARC",
        "centre": [
          452186.02609925054,
          6511212.76
        ],
        "radius": 0.5629271785279346,
        "start_angle_rad": 2.3561944896805325,
        "sweep_rad": 1.5707963269794742,
        "start": [
          452185.6280496254,
          6511213.158049625
        ],
        "end": [
          452185.6280496253,
          6511212.361950374
        ],
        "chainage_start": 0.7773756274138309,
        "length": 0.8842439443885984,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452185.62804962514,
          6511212.361950374
        ],
        "end": [
          452453.9299999342,
          6510944.060000066
        ],
        "chainage_start": 1.6616195718024294,
        "length": 379.4362569378364
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 76.21957530192776,
        "pvi_z": 230.36332976361297,
        "bvc": 56.21957530192776,
        "evc": 96.21957530192776,
        "length": 40.0,
        "g1": 0.07701971335426074,
        "g2": 0.03787761099107207,
        "z_bvc": 228.82293549652775,
        "K_m_per_percent": 10.219175155399459
      },
      {
        "pvi_ch": 152.43915060385552,
        "pvi_z": 233.2503451868041,
        "bvc": 132.43915060385552,
        "evc": 172.43915060385552,
        "length": 40.0,
        "g1": 0.03787761099107207,
        "g2": -0.013868684365798087,
        "z_bvc": 232.49279296698268,
        "K_m_per_percent": 7.730021970488628
      },
      {
        "pvi_ch": 228.65872590578329,
        "pvi_z": 232.1932799544465,
        "bvc": 208.65872590578329,
        "evc": 248.65872590578329,
        "length": 40.0,
        "g1": -0.013868684365798087,
        "g2": -0.05537522038275343,
        "z_bvc": 232.47065364176245,
        "K_m_per_percent": 9.63703643774563
      },
      {
        "pvi_ch": 304.87830120771105,
        "pvi_z": 227.97260417462238,
        "bvc": 284.87830120771105,
        "evc": 324.87830120771105,
        "length": 40.0,
        "g1": -0.05537522038275343,
        "g2": -0.05966387674666508,
        "z_bvc": 229.08010858227743,
        "K_m_per_percent": 93.26930536238228
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452186.1777,
        "northing": 6511213.7077,
        "existing_z": 224.4929,
        "design_z": 224.4929,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452191.5242,
        "northing": 6511206.4658,
        "existing_z": 225.2504,
        "design_z": 225.2631,
        "delta_z": 0.0127
      },
      {
        "ch": 20.0,
        "easting": 452198.5952,
        "northing": 6511199.3948,
        "existing_z": 226.1306,
        "design_z": 226.0333,
        "delta_z": -0.0972
      },
      {
        "ch": 30.0,
        "easting": 452205.6663,
        "northing": 6511192.3237,
        "existing_z": 227.0263,
        "design_z": 226.8035,
        "delta_z": -0.2228
      },
      {
        "ch": 40.0,
        "easting": 452212.7374,
        "northing": 6511185.2526,
        "existing_z": 227.916,
        "design_z": 227.5737,
        "delta_z": -0.3423
      },
      {
        "ch": 50.0,
        "easting": 452219.8084,
        "northing": 6511178.1816,
        "existing_z": 228.7977,
        "design_z": 228.3439,
        "delta_z": -0.4538
      },
      {
        "ch": 56.2196,
        "easting": 452224.2064,
        "northing": 6511173.7836,
        "existing_z": 229.3489,
        "design_z": 228.8229,
        "delta_z": -0.526
      },
      {
        "ch": 60.0,
        "easting": 452226.8795,
        "northing": 6511171.1105,
        "existing_z": 229.685,
        "design_z": 229.1071,
        "delta_z": -0.5779
      },
      {
        "ch": 70.0,
        "easting": 452233.9506,
        "northing": 6511164.0394,
        "existing_z": 230.4776,
        "design_z": 229.7914,
        "delta_z": -0.6862
      },
      {
        "ch": 76.2196,
        "easting": 452238.3485,
        "northing": 6511159.6415,
        "existing_z": 230.9388,
        "design_z": 230.1676,
        "delta_z": -0.7712
      },
      {
        "ch": 80.0,
        "easting": 452241.0216,
        "northing": 6511156.9684,
        "existing_z": 231.2174,
        "design_z": 230.3778,
        "delta_z": -0.8396
      },
      {
        "ch": 90.0,
        "easting": 452248.0927,
        "northing": 6511149.8973,
        "existing_z": 231.9468,
        "design_z": 230.8664,
        "delta_z": -1.0804
      },
      {
        "ch": 96.2196,
        "easting": 452252.4906,
        "northing": 6511145.4994,
        "existing_z": 232.3079,
        "design_z": 231.1209,
        "delta_z": -1.187
      },
      {
        "ch": 100.0,
        "easting": 452255.1638,
        "northing": 6511142.8262,
        "existing_z": 232.5045,
        "design_z": 231.2641,
        "delta_z": -1.2405
      },
      {
        "ch": 110.0,
        "easting": 452262.2349,
        "northing": 6511135.7551,
        "existing_z": 233.0158,
        "design_z": 231.6429,
        "delta_z": -1.3729
      },
      {
        "ch": 120.0,
        "easting": 452269.3059,
        "northing": 6511128.6841,
        "existing_z": 233.5007,
        "design_z": 232.0216,
        "delta_z": -1.4791
      },
      {
        "ch": 130.0,
        "easting": 452276.377,
        "northing": 6511121.613,
        "existing_z": 233.7152,
        "design_z": 232.4004,
        "delta_z": -1.3148
      },
      {
        "ch": 132.4392,
        "easting": 452278.1017,
        "northing": 6511119.8883,
        "existing_z": 233.7569,
        "design_z": 232.4928,
        "delta_z": -1.2641
      },
      {
        "ch": 140.0,
        "easting": 452283.4481,
        "northing": 6511114.5419,
        "existing_z": 233.8721,
        "design_z": 232.7422,
        "delta_z": -1.1299
      },
      {
        "ch": 150.0,
        "easting": 452290.5191,
        "northing": 6511107.4709,
        "existing_z": 233.9779,
        "design_z": 232.9585,
        "delta_z": -1.0194
      },
      {
        "ch": 152.4392,
        "easting": 452292.2439,
        "northing": 6511105.7461,
        "existing_z": 233.9782,
        "design_z": 232.9916,
        "delta_z": -0.9866
      },
      {
        "ch": 160.0,
        "easting": 452297.5902,
        "northing": 6511100.3998,
        "existing_z": 233.9786,
        "design_z": 233.0454,
        "delta_z": -0.9332
      },
      {
        "ch": 170.0,
        "easting": 452304.6613,
        "northing": 6511093.3287,
        "existing_z": 233.978,
        "design_z": 233.003,
        "delta_z": -0.975
      },
      {
        "ch": 172.4392,
        "easting": 452306.386,
        "northing": 6511091.604,
        "existing_z": 233.9776,
        "design_z": 232.973,
        "delta_z": -1.0047
      },
      {
        "ch": 180.0,
        "easting": 452311.7323,
        "northing": 6511086.2577,
        "existing_z": 233.9462,
        "design_z": 232.8681,
        "delta_z": -1.0781
      },
      {
        "ch": 190.0,
        "easting": 452318.8034,
        "northing": 6511079.1866,
        "existing_z": 233.8276,
        "design_z": 232.7294,
        "delta_z": -1.0982
      },
      {
        "ch": 200.0,
        "easting": 452325.8745,
        "northing": 6511072.1155,
        "existing_z": 233.6563,
        "design_z": 232.5907,
        "delta_z": -1.0656
      },
      {
        "ch": 208.6587,
        "easting": 452331.9971,
        "northing": 6511065.9929,
        "existing_z": 233.4553,
        "design_z": 232.4707,
        "delta_z": -0.9847
      },
      {
        "ch": 210.0,
        "easting": 452332.9455,
        "northing": 6511065.0445,
        "existing_z": 233.42,
        "design_z": 232.4511,
        "delta_z": -0.9689
      },
      {
        "ch": 220.0,
        "easting": 452340.0166,
        "northing": 6511057.9734,
        "existing_z": 233.1365,
        "design_z": 232.2466,
        "delta_z": -0.8899
      },
      {
        "ch": 228.6587,
        "easting": 452346.1392,
        "northing": 6511051.8508,
        "existing_z": 232.8621,
        "design_z": 231.9857,
        "delta_z": -0.8763
      },
      {
        "ch": 230.0,
        "easting": 452347.0877,
        "northing": 6511050.9023,
        "existing_z": 232.8171,
        "design_z": 231.9384,
        "delta_z": -0.8788
      },
      {
        "ch": 240.0,
        "easting": 452354.1587,
        "northing": 6511043.8313,
        "existing_z": 232.431,
        "design_z": 231.5264,
        "delta_z": -0.9047
      },
      {
        "ch": 248.6587,
        "easting": 452360.2814,
        "northing": 6511037.7086,
        "existing_z": 232.0371,
        "design_z": 231.0858,
        "delta_z": -0.9513
      },
      {
        "ch": 250.0,
        "easting": 452361.2298,
        "northing": 6511036.7602,
        "existing_z": 231.9711,
        "design_z": 231.0115,
        "delta_z": -0.9596
      },
      {
        "ch": 260.0,
        "easting": 452368.3009,
        "northing": 6511029.6891,
        "existing_z": 231.4288,
        "design_z": 230.4577,
        "delta_z": -0.9711
      },
      {
        "ch": 270.0,
        "easting": 452375.3719,
        "northing": 6511022.6181,
        "existing_z": 230.6564,
        "design_z": 229.904,
        "delta_z": -0.7524
      },
      {
        "ch": 280.0,
        "easting": 452382.443,
        "northing": 6511015.547,
        "existing_z": 229.8423,
        "design_z": 229.3502,
        "delta_z": -0.492
      },
      {
        "ch": 284.8783,
        "easting": 452385.8925,
        "northing": 6511012.0975,
        "existing_z": 229.4295,
        "design_z": 229.0801,
        "delta_z": -0.3494
      },
      {
        "ch": 290.0,
        "easting": 452389.5141,
        "northing": 6511008.4759,
        "existing_z": 228.974,
        "design_z": 228.7951,
        "delta_z": -0.1789
      },
      {
        "ch": 300.0,
        "easting": 452396.5851,
        "northing": 6511001.4049,
        "existing_z": 228.2342,
        "design_z": 228.2305,
        "delta_z": -0.0038
      },
      {
        "ch": 304.8783,
        "easting": 452400.0346,
        "northing": 6510997.9554,
        "existing_z": 227.8817,
        "design_z": 227.9512,
        "delta_z": 0.0694
      },
      {
        "ch": 310.0,
        "easting": 452403.6562,
        "northing": 6510994.3338,
        "existing_z": 227.5128,
        "design_z": 227.6552,
        "delta_z": 0.1424
      },
      {
        "ch": 320.0,
        "easting": 452410.7273,
        "northing": 6510987.2627,
        "existing_z": 226.8106,
        "design_z": 227.0691,
        "delta_z": 0.2585
      },
      {
        "ch": 324.8783,
        "easting": 452414.1768,
        "northing": 6510983.8132,
        "existing_z": 226.5425,
        "design_z": 226.7793,
        "delta_z": 0.2368
      },
      {
        "ch": 330.0,
        "easting": 452417.7983,
        "northing": 6510980.1917,
        "existing_z": 226.2565,
        "design_z": 226.4737,
        "delta_z": 0.2172
      },
      {
        "ch": 340.0,
        "easting": 452424.8694,
        "northing": 6510973.1206,
        "existing_z": 225.6848,
        "design_z": 225.8771,
        "delta_z": 0.1923
      },
      {
        "ch": 350.0,
        "easting": 452431.9405,
        "northing": 6510966.0495,
        "existing_z": 225.1055,
        "design_z": 225.2805,
        "delta_z": 0.175
      },
      {
        "ch": 360.0,
        "easting": 452439.0115,
        "northing": 6510958.9785,
        "existing_z": 224.576,
        "design_z": 224.6838,
        "delta_z": 0.1079
      },
      {
        "ch": 370.0,
        "easting": 452446.0826,
        "northing": 6510951.9074,
        "existing_z": 224.0247,
        "design_z": 224.0872,
        "delta_z": 0.0625
      },
      {
        "ch": 380.0,
        "easting": 452453.1537,
        "northing": 6510944.8363,
        "existing_z": 223.4779,
        "design_z": 223.4906,
        "delta_z": 0.0126
      },
      {
        "ch": 381.0979,
        "easting": 452453.93,
        "northing": 6510944.06,
        "existing_z": 223.425,
        "design_z": 223.425,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD266",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 380.002,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 7.81,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452186.1777372033,
          6511213.707737203
        ],
        "end": [
          452453.9299999342,
          6510944.060000066
        ],
        "chainage_start": 0,
        "length": 380.00154781349056
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 76.0003095626981,
        "pvi_z": 230.42522254502637,
        "bvc": 56.000309562698106,
        "evc": 96.0003095626981,
        "length": 40.0,
        "g1": 0.0780562955241306,
        "g2": 0.03735366164873195,
        "z_bvc": 228.86409663454376,
        "K_m_per_percent": 9.827373855571707
      },
      {
        "pvi_ch": 152.0006191253962,
        "pvi_z": 233.26411239363028,
        "bvc": 132.0006191253962,
        "evc": 172.0006191253962,
        "length": 40.0,
        "g1": 0.03735366164873195,
        "g2": -0.014212671343919549,
        "z_bvc": 232.51703916065566,
        "K_m_per_percent": 7.756999126872223
      },
      {
        "pvi_ch": 228.00092868809432,
        "pvi_z": 232.1839449717795,
        "bvc": 208.00092868809432,
        "evc": 248.00092868809432,
        "length": 40.0,
        "g1": -0.014212671343919549,
        "g2": -0.05546721560408453,
        "z_bvc": 232.4681983986579,
        "K_m_per_percent": 9.695901558806854
      },
      {
        "pvi_ch": 304.0012382507924,
        "pvi_z": 227.96841941528817,
        "bvc": 284.0012382507924,
        "evc": 324.0012382507924,
        "length": 40.0,
        "g1": -0.05546721560408453,
        "g2": -0.05978094843699305,
        "z_bvc": 229.07776372736987,
        "K_m_per_percent": 92.72711488956567
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452186.1777,
        "northing": 6511213.7077,
        "existing_z": 224.4929,
        "design_z": 224.4929,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452193.2238,
        "northing": 6511206.6118,
        "existing_z": 225.3809,
        "design_z": 225.2735,
        "delta_z": -0.1074
      },
      {
        "ch": 20.0,
        "easting": 452200.2699,
        "northing": 6511199.5158,
        "existing_z": 226.2618,
        "design_z": 226.054,
        "delta_z": -0.2077
      },
      {
        "ch": 30.0,
        "easting": 452207.316,
        "northing": 6511192.4198,
        "existing_z": 227.1583,
        "design_z": 226.8346,
        "delta_z": -0.3237
      },
      {
        "ch": 40.0,
        "easting": 452214.3621,
        "northing": 6511185.3239,
        "existing_z": 228.0457,
        "design_z": 227.6152,
        "delta_z": -0.4306
      },
      {
        "ch": 50.0,
        "easting": 452221.4082,
        "northing": 6511178.2279,
        "existing_z": 228.927,
        "design_z": 228.3957,
        "delta_z": -0.5313
      },
      {
        "ch": 56.0003,
        "easting": 452225.636,
        "northing": 6511173.9701,
        "existing_z": 229.4586,
        "design_z": 228.8641,
        "delta_z": -0.5945
      },
      {
        "ch": 60.0,
        "easting": 452228.4542,
        "northing": 6511171.132,
        "existing_z": 229.814,
        "design_z": 229.1682,
        "delta_z": -0.6458
      },
      {
        "ch": 70.0,
        "easting": 452235.5003,
        "northing": 6511164.036,
        "existing_z": 230.588,
        "design_z": 229.8571,
        "delta_z": -0.7308
      },
      {
        "ch": 76.0003,
        "easting": 452239.7282,
        "northing": 6511159.7782,
        "existing_z": 231.0318,
        "design_z": 230.2217,
        "delta_z": -0.8101
      },
      {
        "ch": 80.0,
        "easting": 452242.5464,
        "northing": 6511156.94,
        "existing_z": 231.3258,
        "design_z": 230.4444,
        "delta_z": -0.8814
      },
      {
        "ch": 90.0,
        "easting": 452249.5925,
        "northing": 6511149.8441,
        "existing_z": 232.0527,
        "design_z": 230.9298,
        "delta_z": -1.1228
      },
      {
        "ch": 96.0003,
        "easting": 452253.8204,
        "northing": 6511145.5863,
        "existing_z": 232.3747,
        "design_z": 231.1723,
        "delta_z": -1.2024
      },
      {
        "ch": 100.0,
        "easting": 452256.6386,
        "northing": 6511142.7481,
        "existing_z": 232.582,
        "design_z": 231.3217,
        "delta_z": -1.2603
      },
      {
        "ch": 110.0,
        "easting": 452263.6847,
        "northing": 6511135.6521,
        "existing_z": 233.0911,
        "design_z": 231.6952,
        "delta_z": -1.3958
      },
      {
        "ch": 120.0,
        "easting": 452270.7307,
        "northing": 6511128.5562,
        "existing_z": 233.5508,
        "design_z": 232.0688,
        "delta_z": -1.4821
      },
      {
        "ch": 130.0,
        "easting": 452277.7768,
        "northing": 6511121.4602,
        "existing_z": 233.7405,
        "design_z": 232.4423,
        "delta_z": -1.2982
      },
      {
        "ch": 132.0006,
        "easting": 452279.1865,
        "northing": 6511120.0406,
        "existing_z": 233.774,
        "design_z": 232.517,
        "delta_z": -1.2569
      },
      {
        "ch": 140.0,
        "easting": 452284.8229,
        "northing": 6511114.3642,
        "existing_z": 233.893,
        "design_z": 232.7746,
        "delta_z": -1.1184
      },
      {
        "ch": 150.0,
        "easting": 452291.869,
        "northing": 6511107.2683,
        "existing_z": 233.979,
        "design_z": 232.9806,
        "delta_z": -0.9984
      },
      {
        "ch": 152.0006,
        "easting": 452293.2786,
        "northing": 6511105.8486,
        "existing_z": 233.9792,
        "design_z": 233.0063,
        "delta_z": -0.9729
      },
      {
        "ch": 160.0,
        "easting": 452298.9151,
        "northing": 6511100.1723,
        "existing_z": 233.9795,
        "design_z": 233.0576,
        "delta_z": -0.9219
      },
      {
        "ch": 170.0,
        "easting": 452305.9612,
        "northing": 6511093.0763,
        "existing_z": 233.9787,
        "design_z": 233.0057,
        "delta_z": -0.973
      },
      {
        "ch": 172.0006,
        "easting": 452307.3708,
        "northing": 6511091.6567,
        "existing_z": 233.9784,
        "design_z": 232.9799,
        "delta_z": -0.9986
      },
      {
        "ch": 180.0,
        "easting": 452313.0072,
        "northing": 6511085.9804,
        "existing_z": 233.936,
        "design_z": 232.8662,
        "delta_z": -1.0698
      },
      {
        "ch": 190.0,
        "easting": 452320.0533,
        "northing": 6511078.8844,
        "existing_z": 233.8116,
        "design_z": 232.724,
        "delta_z": -1.0876
      },
      {
        "ch": 200.0,
        "easting": 452327.0994,
        "northing": 6511071.7885,
        "existing_z": 233.6346,
        "design_z": 232.5819,
        "delta_z": -1.0526
      },
      {
        "ch": 208.0009,
        "easting": 452332.7369,
        "northing": 6511066.111,
        "existing_z": 233.4446,
        "design_z": 232.4682,
        "delta_z": -0.9764
      },
      {
        "ch": 210.0,
        "easting": 452334.1455,
        "northing": 6511064.6925,
        "existing_z": 233.3914,
        "design_z": 232.4377,
        "delta_z": -0.9537
      },
      {
        "ch": 220.0,
        "easting": 452341.1916,
        "northing": 6511057.5965,
        "existing_z": 233.1039,
        "design_z": 232.2234,
        "delta_z": -0.8805
      },
      {
        "ch": 228.0009,
        "easting": 452346.8291,
        "northing": 6511051.9191,
        "existing_z": 232.8481,
        "design_z": 231.9777,
        "delta_z": -0.8704
      },
      {
        "ch": 230.0,
        "easting": 452348.2377,
        "northing": 6511050.5006,
        "existing_z": 232.7806,
        "design_z": 231.906,
        "delta_z": -0.8746
      },
      {
        "ch": 240.0,
        "easting": 452355.2837,
        "northing": 6511043.4046,
        "existing_z": 232.3865,
        "design_z": 231.4854,
        "delta_z": -0.9011
      },
      {
        "ch": 248.0009,
        "easting": 452360.9213,
        "northing": 6511037.7272,
        "existing_z": 232.0178,
        "design_z": 231.0746,
        "delta_z": -0.9432
      },
      {
        "ch": 250.0,
        "easting": 452362.3298,
        "northing": 6511036.3086,
        "existing_z": 231.9182,
        "design_z": 230.9637,
        "delta_z": -0.9545
      },
      {
        "ch": 260.0,
        "easting": 452369.3759,
        "northing": 6511029.2127,
        "existing_z": 231.3555,
        "design_z": 230.409,
        "delta_z": -0.9465
      },
      {
        "ch": 270.0,
        "easting": 452376.422,
        "northing": 6511022.1167,
        "existing_z": 230.5782,
        "design_z": 229.8544,
        "delta_z": -0.7239
      },
      {
        "ch": 280.0,
        "easting": 452383.4681,
        "northing": 6511015.0207,
        "existing_z": 229.7585,
        "design_z": 229.2997,
        "delta_z": -0.4588
      },
      {
        "ch": 284.0012,
        "easting": 452386.2874,
        "northing": 6511012.1815,
        "existing_z": 229.4185,
        "design_z": 229.0778,
        "delta_z": -0.3408
      },
      {
        "ch": 290.0,
        "easting": 452390.5142,
        "northing": 6511007.9248,
        "existing_z": 228.8959,
        "design_z": 228.7431,
        "delta_z": -0.1528
      },
      {
        "ch": 300.0,
        "easting": 452397.5602,
        "northing": 6511000.8288,
        "existing_z": 228.1686,
        "design_z": 228.1766,
        "delta_z": 0.008
      },
      {
        "ch": 304.0012,
        "easting": 452400.3795,
        "northing": 6510997.9895,
        "existing_z": 227.8789,
        "design_z": 227.9469,
        "delta_z": 0.068
      },
      {
        "ch": 310.0,
        "easting": 452404.6063,
        "northing": 6510993.7328,
        "existing_z": 227.446,
        "design_z": 227.5992,
        "delta_z": 0.1533
      },
      {
        "ch": 320.0,
        "easting": 452411.6524,
        "northing": 6510986.6369,
        "existing_z": 226.7651,
        "design_z": 227.0111,
        "delta_z": 0.2461
      },
      {
        "ch": 324.0012,
        "easting": 452414.4717,
        "northing": 6510983.7976,
        "existing_z": 226.5437,
        "design_z": 226.7728,
        "delta_z": 0.2291
      },
      {
        "ch": 330.0,
        "easting": 452418.6985,
        "northing": 6510979.5409,
        "existing_z": 226.2066,
        "design_z": 226.4142,
        "delta_z": 0.2076
      },
      {
        "ch": 340.0,
        "easting": 452425.7446,
        "northing": 6510972.445,
        "existing_z": 225.6306,
        "design_z": 225.8164,
        "delta_z": 0.1858
      },
      {
        "ch": 350.0,
        "easting": 452432.7907,
        "northing": 6510965.349,
        "existing_z": 225.0574,
        "design_z": 225.2186,
        "delta_z": 0.1612
      },
      {
        "ch": 360.0,
        "easting": 452439.8367,
        "northing": 6510958.253,
        "existing_z": 224.5225,
        "design_z": 224.6208,
        "delta_z": 0.0982
      },
      {
        "ch": 370.0,
        "easting": 452446.8828,
        "northing": 6510951.1571,
        "existing_z": 223.9659,
        "design_z": 224.023,
        "delta_z": 0.0571
      },
      {
        "ch": 380.0,
        "easting": 452453.9289,
        "northing": 6510944.0611,
        "existing_z": 223.4251,
        "design_z": 223.4251,
        "delta_z": 0.0
      },
      {
        "ch": 380.0015,
        "easting": 452453.93,
        "northing": 6510944.06,
        "existing_z": 223.425,
        "design_z": 223.425,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD267",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 10.847,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 8.0,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449679.28572674806,
          6511084.39258051
        ],
        "end": [
          449670.0,
          6511090.0
        ],
        "chainage_start": 0,
        "length": 10.847482407227568
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449679.2857,
        "northing": 6511084.3926,
        "existing_z": 171.9368,
        "design_z": 171.9368,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449670.7255,
        "northing": 6511089.5619,
        "existing_z": 171.139,
        "design_z": 171.1365,
        "delta_z": -0.0024
      },
      {
        "ch": 10.8475,
        "easting": 449670.0,
        "northing": 6511090.0,
        "existing_z": 171.0687,
        "design_z": 171.0687,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD268",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 660.01,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 14.9,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449879.99,
          6511100.12
        ],
        "end": [
          450540.0,
          6511100.12
        ],
        "chainage_start": 0,
        "length": 660.0100000000093
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 73.33444444444548,
        "pvi_z": 211.52832528031428,
        "bvc": 53.33444444444548,
        "evc": 93.33444444444548,
        "length": 40.0,
        "g1": 0.14901923598987693,
        "g2": 0.12072072381532041,
        "z_bvc": 208.54794056051674,
        "K_m_per_percent": 14.135018743481648
      },
      {
        "pvi_ch": 146.66888888889096,
        "pvi_z": 220.38131249424214,
        "bvc": 126.66888888889096,
        "evc": 166.66888888889096,
        "length": 40.0,
        "g1": 0.12072072381532041,
        "g2": 0.10451889442446131,
        "z_bvc": 217.96689801793573,
        "K_m_per_percent": 24.688570058988265
      },
      {
        "pvi_ch": 220.00333333333646,
        "pvi_z": 228.04614755080766,
        "bvc": 188.5250317870141,
        "evc": 251.48163487965883,
        "length": 62.95660309264474,
        "g1": 0.10451889442446131,
        "g2": -0.0004087773966132571,
        "z_bvc": 224.75607027482624,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 293.3377777777819,
        "pvi_z": 228.01617008752558,
        "bvc": 260.3372777777815,
        "evc": 326.33827777778237,
        "length": 66.00100000000093,
        "g1": -0.0004087773966132571,
        "g2": -0.1260241487362485,
        "z_bvc": 228.0296599460025,
        "K_m_per_percent": 5.25421366001055
      },
      {
        "pvi_ch": 366.6722222222274,
        "pvi_z": 218.77425915336863,
        "bvc": 346.6722222222274,
        "evc": 386.6722222222274,
        "length": 40.0,
        "g1": -0.1260241487362485,
        "g2": -0.11229752564643397,
        "z_bvc": 221.29474212809362,
        "K_m_per_percent": 29.140451907418434
      },
      {
        "pvi_ch": 440.0066666666729,
        "pvi_z": 210.53898249760152,
        "bvc": 420.0066666666729,
        "evc": 460.0066666666729,
        "length": 40.0,
        "g1": -0.11229752564643397,
        "g2": -0.0714784290037898,
        "z_bvc": 212.7849330105302,
        "K_m_per_percent": 9.799334941237172
      },
      {
        "pvi_ch": 513.3411111111184,
        "pvi_z": 205.29715161684686,
        "bvc": 493.3411111111184,
        "evc": 533.3411111111184,
        "length": 40.0,
        "g1": -0.0714784290037898,
        "g2": -0.042911429601409534,
        "z_bvc": 206.72672019692266,
        "K_m_per_percent": 14.002170629326619
      },
      {
        "pvi_ch": 586.6755555555638,
        "pvi_z": 202.15026576671056,
        "bvc": 566.6755555555638,
        "evc": 606.6755555555638,
        "length": 40.0,
        "g1": -0.042911429601409534,
        "g2": -0.03454811128868461,
        "z_bvc": 203.00849435873874,
        "K_m_per_percent": 47.827905747817056
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449879.99,
        "northing": 6511100.12,
        "existing_z": 200.6001,
        "design_z": 200.6001,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449889.99,
        "northing": 6511100.12,
        "existing_z": 202.5466,
        "design_z": 202.0903,
        "delta_z": -0.4563
      },
      {
        "ch": 20.0,
        "easting": 449899.99,
        "northing": 6511100.12,
        "existing_z": 204.2889,
        "design_z": 203.5805,
        "delta_z": -0.7085
      },
      {
        "ch": 30.0,
        "easting": 449909.99,
        "northing": 6511100.12,
        "existing_z": 206.0311,
        "design_z": 205.0707,
        "delta_z": -0.9605
      },
      {
        "ch": 40.0,
        "easting": 449919.99,
        "northing": 6511100.12,
        "existing_z": 207.5286,
        "design_z": 206.5609,
        "delta_z": -0.9677
      },
      {
        "ch": 50.0,
        "easting": 449929.99,
        "northing": 6511100.12,
        "existing_z": 209.0258,
        "design_z": 208.051,
        "delta_z": -0.9747
      },
      {
        "ch": 53.3344,
        "easting": 449933.3244,
        "northing": 6511100.12,
        "existing_z": 209.4678,
        "design_z": 208.5479,
        "delta_z": -0.9198
      },
      {
        "ch": 60.0,
        "easting": 449939.99,
        "northing": 6511100.12,
        "existing_z": 210.351,
        "design_z": 209.5255,
        "delta_z": -0.8254
      },
      {
        "ch": 70.0,
        "easting": 449949.99,
        "northing": 6511100.12,
        "existing_z": 211.676,
        "design_z": 210.9332,
        "delta_z": -0.7428
      },
      {
        "ch": 73.3344,
        "easting": 449953.3244,
        "northing": 6511100.12,
        "existing_z": 212.0625,
        "design_z": 211.3868,
        "delta_z": -0.6757
      },
      {
        "ch": 80.0,
        "easting": 449959.99,
        "northing": 6511100.12,
        "existing_z": 212.8349,
        "design_z": 212.2701,
        "delta_z": -0.5648
      },
      {
        "ch": 90.0,
        "easting": 449969.99,
        "northing": 6511100.12,
        "existing_z": 213.9937,
        "design_z": 213.5363,
        "delta_z": -0.4574
      },
      {
        "ch": 93.3344,
        "easting": 449973.3244,
        "northing": 6511100.12,
        "existing_z": 214.3498,
        "design_z": 213.9427,
        "delta_z": -0.4071
      },
      {
        "ch": 100.0,
        "easting": 449979.99,
        "northing": 6511100.12,
        "existing_z": 215.0615,
        "design_z": 214.7474,
        "delta_z": -0.3141
      },
      {
        "ch": 110.0,
        "easting": 449989.99,
        "northing": 6511100.12,
        "existing_z": 216.1293,
        "design_z": 215.9546,
        "delta_z": -0.1746
      },
      {
        "ch": 120.0,
        "easting": 449999.99,
        "northing": 6511100.12,
        "existing_z": 217.2316,
        "design_z": 217.1618,
        "delta_z": -0.0698
      },
      {
        "ch": 126.6689,
        "easting": 450006.6589,
        "northing": 6511100.12,
        "existing_z": 217.9668,
        "design_z": 217.9669,
        "delta_z": 0.0001
      },
      {
        "ch": 130.0,
        "easting": 450009.99,
        "northing": 6511100.12,
        "existing_z": 218.334,
        "design_z": 218.3668,
        "delta_z": 0.0328
      },
      {
        "ch": 140.0,
        "easting": 450019.99,
        "northing": 6511100.12,
        "existing_z": 219.4559,
        "design_z": 219.5402,
        "delta_z": 0.0844
      },
      {
        "ch": 146.6689,
        "easting": 450026.6589,
        "northing": 6511100.12,
        "existing_z": 220.204,
        "design_z": 220.3003,
        "delta_z": 0.0963
      },
      {
        "ch": 150.0,
        "easting": 450029.99,
        "northing": 6511100.12,
        "existing_z": 220.5778,
        "design_z": 220.6732,
        "delta_z": 0.0954
      },
      {
        "ch": 160.0,
        "easting": 450039.99,
        "northing": 6511100.12,
        "existing_z": 221.7455,
        "design_z": 221.7657,
        "delta_z": 0.0201
      },
      {
        "ch": 166.6689,
        "easting": 450046.6589,
        "northing": 6511100.12,
        "existing_z": 222.5243,
        "design_z": 222.4717,
        "delta_z": -0.0526
      },
      {
        "ch": 170.0,
        "easting": 450049.99,
        "northing": 6511100.12,
        "existing_z": 222.9133,
        "design_z": 222.8199,
        "delta_z": -0.0934
      },
      {
        "ch": 180.0,
        "easting": 450059.99,
        "northing": 6511100.12,
        "existing_z": 224.2536,
        "design_z": 223.865,
        "delta_z": -0.3886
      },
      {
        "ch": 188.525,
        "easting": 450068.515,
        "northing": 6511100.12,
        "existing_z": 225.3964,
        "design_z": 224.7561,
        "delta_z": -0.6403
      },
      {
        "ch": 190.0,
        "easting": 450069.99,
        "northing": 6511100.12,
        "existing_z": 225.5941,
        "design_z": 224.9084,
        "delta_z": -0.6857
      },
      {
        "ch": 200.0,
        "easting": 450079.99,
        "northing": 6511100.12,
        "existing_z": 227.0017,
        "design_z": 225.8457,
        "delta_z": -1.156
      },
      {
        "ch": 210.0,
        "easting": 450089.99,
        "northing": 6511100.12,
        "existing_z": 228.4094,
        "design_z": 226.6163,
        "delta_z": -1.7931
      },
      {
        "ch": 220.0,
        "easting": 450099.99,
        "northing": 6511100.12,
        "existing_z": 229.5652,
        "design_z": 227.2202,
        "delta_z": -2.3449
      },
      {
        "ch": 220.0033,
        "easting": 450099.9933,
        "northing": 6511100.12,
        "existing_z": 229.5656,
        "design_z": 227.2204,
        "delta_z": -2.3451
      },
      {
        "ch": 230.0,
        "easting": 450109.99,
        "northing": 6511100.12,
        "existing_z": 230.7207,
        "design_z": 227.6575,
        "delta_z": -3.0632
      },
      {
        "ch": 240.0,
        "easting": 450119.99,
        "northing": 6511100.12,
        "existing_z": 231.2583,
        "design_z": 227.9281,
        "delta_z": -3.3302
      },
      {
        "ch": 250.0,
        "easting": 450129.99,
        "northing": 6511100.12,
        "existing_z": 231.7954,
        "design_z": 228.0321,
        "delta_z": -3.7633
      },
      {
        "ch": 251.4816,
        "easting": 450131.4716,
        "northing": 6511100.12,
        "existing_z": 231.7946,
        "design_z": 228.0333,
        "delta_z": -3.7613
      },
      {
        "ch": 260.0,
        "easting": 450139.99,
        "northing": 6511100.12,
        "existing_z": 231.787,
        "design_z": 228.0298,
        "delta_z": -3.7572
      },
      {
        "ch": 260.3373,
        "easting": 450140.3273,
        "northing": 6511100.12,
        "existing_z": 231.7867,
        "design_z": 228.0297,
        "delta_z": -3.757
      },
      {
        "ch": 270.0,
        "easting": 450149.99,
        "northing": 6511100.12,
        "existing_z": 231.778,
        "design_z": 227.9369,
        "delta_z": -3.8412
      },
      {
        "ch": 280.0,
        "easting": 450159.99,
        "northing": 6511100.12,
        "existing_z": 231.2042,
        "design_z": 227.6537,
        "delta_z": -3.5505
      },
      {
        "ch": 290.0,
        "easting": 450169.99,
        "northing": 6511100.12,
        "existing_z": 230.6299,
        "design_z": 227.1802,
        "delta_z": -3.4496
      },
      {
        "ch": 293.3378,
        "easting": 450173.3278,
        "northing": 6511100.12,
        "existing_z": 230.1965,
        "design_z": 226.9798,
        "delta_z": -3.2167
      },
      {
        "ch": 300.0,
        "easting": 450179.99,
        "northing": 6511100.12,
        "existing_z": 229.3301,
        "design_z": 226.5164,
        "delta_z": -2.8137
      },
      {
        "ch": 310.0,
        "easting": 450189.99,
        "northing": 6511100.12,
        "existing_z": 228.0296,
        "design_z": 225.6623,
        "delta_z": -2.3673
      },
      {
        "ch": 320.0,
        "easting": 450199.99,
        "northing": 6511100.12,
        "existing_z": 226.1335,
        "design_z": 224.6179,
        "delta_z": -1.5156
      },
      {
        "ch": 326.3383,
        "easting": 450206.3283,
        "northing": 6511100.12,
        "existing_z": 224.9312,
        "design_z": 223.8573,
        "delta_z": -1.0739
      },
      {
        "ch": 330.0,
        "easting": 450209.99,
        "northing": 6511100.12,
        "existing_z": 224.2367,
        "design_z": 223.3958,
        "delta_z": -0.8408
      },
      {
        "ch": 340.0,
        "easting": 450219.99,
        "northing": 6511100.12,
        "existing_z": 222.3665,
        "design_z": 222.1356,
        "delta_z": -0.2309
      },
      {
        "ch": 346.6722,
        "easting": 450226.6622,
        "northing": 6511100.12,
        "existing_z": 221.1186,
        "design_z": 221.2947,
        "delta_z": 0.1761
      },
      {
        "ch": 350.0,
        "easting": 450229.99,
        "northing": 6511100.12,
        "existing_z": 220.4963,
        "design_z": 220.8773,
        "delta_z": 0.381
      },
      {
        "ch": 360.0,
        "easting": 450239.99,
        "northing": 6511100.12,
        "existing_z": 219.0726,
        "design_z": 219.6456,
        "delta_z": 0.573
      },
      {
        "ch": 366.6722,
        "easting": 450246.6622,
        "northing": 6511100.12,
        "existing_z": 218.1231,
        "design_z": 218.8429,
        "delta_z": 0.7198
      },
      {
        "ch": 370.0,
        "easting": 450249.99,
        "northing": 6511100.12,
        "existing_z": 217.6495,
        "design_z": 218.4483,
        "delta_z": 0.7988
      },
      {
        "ch": 380.0,
        "easting": 450259.99,
        "northing": 6511100.12,
        "existing_z": 216.4839,
        "design_z": 217.2852,
        "delta_z": 0.8013
      },
      {
        "ch": 386.6722,
        "easting": 450266.6622,
        "northing": 6511100.12,
        "existing_z": 215.7064,
        "design_z": 216.5283,
        "delta_z": 0.8219
      },
      {
        "ch": 390.0,
        "easting": 450269.99,
        "northing": 6511100.12,
        "existing_z": 215.3186,
        "design_z": 216.1546,
        "delta_z": 0.836
      },
      {
        "ch": 400.0,
        "easting": 450279.99,
        "northing": 6511100.12,
        "existing_z": 214.2331,
        "design_z": 215.0316,
        "delta_z": 0.7985
      },
      {
        "ch": 410.0,
        "easting": 450289.99,
        "northing": 6511100.12,
        "existing_z": 213.1476,
        "design_z": 213.9087,
        "delta_z": 0.761
      },
      {
        "ch": 420.0,
        "easting": 450299.99,
        "northing": 6511100.12,
        "existing_z": 212.0783,
        "design_z": 212.7857,
        "delta_z": 0.7074
      },
      {
        "ch": 420.0067,
        "easting": 450299.9967,
        "northing": 6511100.12,
        "existing_z": 212.0776,
        "design_z": 212.7849,
        "delta_z": 0.7073
      },
      {
        "ch": 430.0,
        "easting": 450309.99,
        "northing": 6511100.12,
        "existing_z": 211.009,
        "design_z": 211.7137,
        "delta_z": 0.7046
      },
      {
        "ch": 440.0,
        "easting": 450319.99,
        "northing": 6511100.12,
        "existing_z": 210.0121,
        "design_z": 210.7437,
        "delta_z": 0.7316
      },
      {
        "ch": 440.0067,
        "easting": 450319.9967,
        "northing": 6511100.12,
        "existing_z": 210.0114,
        "design_z": 210.7431,
        "delta_z": 0.7317
      },
      {
        "ch": 450.0,
        "easting": 450329.99,
        "northing": 6511100.12,
        "existing_z": 209.0152,
        "design_z": 209.8758,
        "delta_z": 0.8606
      },
      {
        "ch": 460.0,
        "easting": 450339.99,
        "northing": 6511100.12,
        "existing_z": 208.1688,
        "design_z": 209.1099,
        "delta_z": 0.9411
      },
      {
        "ch": 460.0067,
        "easting": 450339.9967,
        "northing": 6511100.12,
        "existing_z": 208.1682,
        "design_z": 209.1094,
        "delta_z": 0.9412
      },
      {
        "ch": 470.0,
        "easting": 450349.99,
        "northing": 6511100.12,
        "existing_z": 207.3225,
        "design_z": 208.3951,
        "delta_z": 1.0726
      },
      {
        "ch": 480.0,
        "easting": 450359.99,
        "northing": 6511100.12,
        "existing_z": 206.6802,
        "design_z": 207.6803,
        "delta_z": 1.0002
      },
      {
        "ch": 490.0,
        "easting": 450369.99,
        "northing": 6511100.12,
        "existing_z": 206.038,
        "design_z": 206.9655,
        "delta_z": 0.9275
      },
      {
        "ch": 493.3411,
        "easting": 450373.3311,
        "northing": 6511100.12,
        "existing_z": 205.8696,
        "design_z": 206.7267,
        "delta_z": 0.8572
      },
      {
        "ch": 500.0,
        "easting": 450379.99,
        "northing": 6511100.12,
        "existing_z": 205.5341,
        "design_z": 206.2666,
        "delta_z": 0.7325
      },
      {
        "ch": 510.0,
        "easting": 450389.99,
        "northing": 6511100.12,
        "existing_z": 205.0304,
        "design_z": 205.6351,
        "delta_z": 0.6047
      },
      {
        "ch": 513.3411,
        "easting": 450393.3311,
        "northing": 6511100.12,
        "existing_z": 204.8971,
        "design_z": 205.44,
        "delta_z": 0.5429
      },
      {
        "ch": 520.0,
        "easting": 450399.99,
        "northing": 6511100.12,
        "existing_z": 204.6316,
        "design_z": 205.075,
        "delta_z": 0.4434
      },
      {
        "ch": 530.0,
        "easting": 450409.99,
        "northing": 6511100.12,
        "existing_z": 204.2329,
        "design_z": 204.5863,
        "delta_z": 0.3534
      },
      {
        "ch": 533.3411,
        "easting": 450413.3311,
        "northing": 6511100.12,
        "existing_z": 204.1218,
        "design_z": 204.4389,
        "delta_z": 0.3171
      },
      {
        "ch": 540.0,
        "easting": 450419.99,
        "northing": 6511100.12,
        "existing_z": 203.9004,
        "design_z": 204.1532,
        "delta_z": 0.2528
      },
      {
        "ch": 550.0,
        "easting": 450429.99,
        "northing": 6511100.12,
        "existing_z": 203.568,
        "design_z": 203.7241,
        "delta_z": 0.1561
      },
      {
        "ch": 560.0,
        "easting": 450439.99,
        "northing": 6511100.12,
        "existing_z": 203.2003,
        "design_z": 203.295,
        "delta_z": 0.0946
      },
      {
        "ch": 566.6756,
        "easting": 450446.6656,
        "northing": 6511100.12,
        "existing_z": 202.9548,
        "design_z": 203.0085,
        "delta_z": 0.0537
      },
      {
        "ch": 570.0,
        "easting": 450449.99,
        "northing": 6511100.12,
        "existing_z": 202.8326,
        "design_z": 202.867,
        "delta_z": 0.0344
      },
      {
        "ch": 580.0,
        "easting": 450459.99,
        "northing": 6511100.12,
        "existing_z": 202.3792,
        "design_z": 202.4553,
        "delta_z": 0.0761
      },
      {
        "ch": 586.6756,
        "easting": 450466.6656,
        "northing": 6511100.12,
        "existing_z": 202.0765,
        "design_z": 202.1921,
        "delta_z": 0.1156
      },
      {
        "ch": 590.0,
        "easting": 450469.99,
        "northing": 6511100.12,
        "existing_z": 201.9258,
        "design_z": 202.0645,
        "delta_z": 0.1387
      },
      {
        "ch": 600.0,
        "easting": 450479.99,
        "northing": 6511100.12,
        "existing_z": 201.5308,
        "design_z": 201.6946,
        "delta_z": 0.1638
      },
      {
        "ch": 606.6756,
        "easting": 450486.6656,
        "northing": 6511100.12,
        "existing_z": 201.2672,
        "design_z": 201.4593,
        "delta_z": 0.1921
      },
      {
        "ch": 610.0,
        "easting": 450489.99,
        "northing": 6511100.12,
        "existing_z": 201.136,
        "design_z": 201.3445,
        "delta_z": 0.2085
      },
      {
        "ch": 620.0,
        "easting": 450499.99,
        "northing": 6511100.12,
        "existing_z": 200.9217,
        "design_z": 200.999,
        "delta_z": 0.0773
      },
      {
        "ch": 630.0,
        "easting": 450509.99,
        "northing": 6511100.12,
        "existing_z": 200.7076,
        "design_z": 200.6535,
        "delta_z": -0.0541
      },
      {
        "ch": 640.0,
        "easting": 450519.99,
        "northing": 6511100.12,
        "existing_z": 200.4465,
        "design_z": 200.308,
        "delta_z": -0.1385
      },
      {
        "ch": 650.0,
        "easting": 450529.99,
        "northing": 6511100.12,
        "existing_z": 200.1853,
        "design_z": 199.9625,
        "delta_z": -0.2228
      },
      {
        "ch": 660.0,
        "easting": 450539.99,
        "northing": 6511100.12,
        "existing_z": 199.6173,
        "design_z": 199.617,
        "delta_z": -0.0002
      },
      {
        "ch": 660.01,
        "easting": 450540.0,
        "northing": 6511100.12,
        "existing_z": 199.6167,
        "design_z": 199.6167,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD269",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 342.101,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 15.46,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451779.92283687385,
          6511200.077163126
        ],
        "end": [
          451785.76759148703,
          6511194.232408513
        ],
        "chainage_start": 0,
        "length": 8.265731242577328
      },
      {
        "type": "ARC",
        "centre": [
          451775.54965345317,
          6511184.014470479
        ],
        "radius": 14.450346546825031,
        "start_angle_rad": 0.7853981633974483,
        "sweep_rad": -0.785398163388784,
        "start": [
          451785.76759148703,
          6511194.232408513
        ],
        "end": [
          451790.0,
          6511184.014470479
        ],
        "chainage_start": 8.265731242577328,
        "length": 11.349275638207835,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451790.0,
          6511184.014470479
        ],
        "end": [
          451790.0,
          6511166.8
        ],
        "chainage_start": 19.615006880785163,
        "length": 17.214470479637384
      },
      {
        "type": "ARC",
        "centre": [
          451756.32176729024,
          6511166.8
        ],
        "radius": 33.678232709778364,
        "start_angle_rad": 0.0,
        "sweep_rad": -0.9254359981103593,
        "start": [
          451790.0,
          6511166.8
        ],
        "end": [
          451776.5787641547,
          6511139.895029521
        ],
        "chainage_start": 36.829477360422544,
        "length": 31.167048902366687,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451776.57876415475,
          6511139.895029521
        ],
        "end": [
          451758.1,
          6511125.9821999995
        ],
        "chainage_start": 67.99652626278923,
        "length": 23.13074901448887
      },
      {
        "type": "ARC",
        "centre": [
          451766.57839427877,
          6511114.721352733
        ],
        "radius": 14.095738743355922,
        "start_angle_rad": 2.216156655495037,
        "sweep_rad": 2.23442543469342,
        "start": [
          451758.1,
          6511125.9821999995
        ],
        "end": [
          451762.9300464887,
          6511101.105942011
        ],
        "chainage_start": 91.1272752772781,
        "length": 31.495877168947935,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451762.9300464889,
          6511101.105942011
        ],
        "end": [
          451974.9288366458,
          6511044.299332693
        ],
        "chainage_start": 122.62315244622604,
        "length": 219.47773893988276
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 68.42017827722177,
        "pvi_z": 182.73289850061562,
        "bvc": 48.420178277221765,
        "evc": 88.42017827722177,
        "length": 40.0,
        "g1": -0.05980768794082045,
        "g2": 0.0005784484170904926,
        "z_bvc": 183.92905225943204,
        "K_m_per_percent": 6.624036974798068
      },
      {
        "pvi_ch": 136.84035655444353,
        "pvi_z": 182.77247604443713,
        "bvc": 106.05127632969374,
        "evc": 167.62943677919333,
        "length": 61.57816044949959,
        "g1": 0.0005784484170904926,
        "g2": 0.10703278041982975,
        "z_bvc": 182.75466614971745,
        "K_m_per_percent": 5.784467319555871
      },
      {
        "pvi_ch": 205.2605348316653,
        "pvi_z": 190.0956779622686,
        "bvc": 185.2605348316653,
        "evc": 225.2605348316653,
        "length": 40.0,
        "g1": 0.10703278041982975,
        "g2": 0.1437026090641156,
        "z_bvc": 187.955022353872,
        "K_m_per_percent": 10.908150236538688
      },
      {
        "pvi_ch": 273.68071310888706,
        "pvi_z": 199.9278360933373,
        "bvc": 253.68071310888706,
        "evc": 293.68071310888706,
        "length": 40.0,
        "g1": 0.1437026090641156,
        "g2": 0.15464265918877415,
        "z_bvc": 197.053783912055,
        "K_m_per_percent": 36.56290377485677
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451779.9228,
        "northing": 6511200.0772,
        "existing_z": 186.825,
        "design_z": 186.825,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451786.9175,
        "northing": 6511192.9355,
        "existing_z": 185.4969,
        "design_z": 186.2269,
        "delta_z": 0.73
      },
      {
        "ch": 20.0,
        "easting": 451790.0,
        "northing": 6511183.6295,
        "existing_z": 184.4076,
        "design_z": 185.6288,
        "delta_z": 1.2212
      },
      {
        "ch": 30.0,
        "easting": 451790.0,
        "northing": 6511173.6295,
        "existing_z": 183.5598,
        "design_z": 185.0307,
        "delta_z": 1.4709
      },
      {
        "ch": 40.0,
        "easting": 451789.8509,
        "northing": 6511163.6342,
        "existing_z": 182.9643,
        "design_z": 184.4326,
        "delta_z": 1.4683
      },
      {
        "ch": 48.4202,
        "easting": 451788.0251,
        "northing": 6511155.4368,
        "existing_z": 182.6359,
        "design_z": 183.9291,
        "delta_z": 1.2932
      },
      {
        "ch": 50.0,
        "easting": 451787.4574,
        "northing": 6511153.9626,
        "existing_z": 182.5762,
        "design_z": 183.8365,
        "delta_z": 1.2602
      },
      {
        "ch": 60.0,
        "easting": 451782.3389,
        "northing": 6511145.4146,
        "existing_z": 182.3157,
        "design_z": 183.3377,
        "delta_z": 1.022
      },
      {
        "ch": 68.4202,
        "easting": 451776.2403,
        "northing": 6511139.6402,
        "existing_z": 182.0774,
        "design_z": 183.0348,
        "delta_z": 0.9575
      },
      {
        "ch": 70.0,
        "easting": 451774.9782,
        "northing": 6511138.69,
        "existing_z": 182.0178,
        "design_z": 182.9899,
        "delta_z": 0.9721
      },
      {
        "ch": 80.0,
        "easting": 451766.9894,
        "northing": 6511132.6751,
        "existing_z": 181.6897,
        "design_z": 182.7931,
        "delta_z": 1.1035
      },
      {
        "ch": 88.4202,
        "easting": 451760.2627,
        "northing": 6511127.6105,
        "existing_z": 181.5741,
        "design_z": 182.7445,
        "delta_z": 1.1703
      },
      {
        "ch": 90.0,
        "easting": 451759.0006,
        "northing": 6511126.6602,
        "existing_z": 181.547,
        "design_z": 182.7454,
        "delta_z": 1.1983
      },
      {
        "ch": 100.0,
        "easting": 451753.0956,
        "northing": 6511118.8327,
        "existing_z": 181.0958,
        "design_z": 182.7512,
        "delta_z": 1.6554
      },
      {
        "ch": 106.0513,
        "easting": 451752.6077,
        "northing": 6511112.8476,
        "existing_z": 180.634,
        "design_z": 182.7547,
        "delta_z": 2.1207
      },
      {
        "ch": 110.0,
        "easting": 451753.6704,
        "northing": 6511109.058,
        "existing_z": 180.3776,
        "design_z": 182.7704,
        "delta_z": 2.3928
      },
      {
        "ch": 120.0,
        "easting": 451760.4739,
        "northing": 6511102.0161,
        "existing_z": 180.2351,
        "design_z": 182.9309,
        "delta_z": 2.6959
      },
      {
        "ch": 130.0,
        "easting": 451770.0555,
        "northing": 6511099.1966,
        "existing_z": 180.465,
        "design_z": 183.2643,
        "delta_z": 2.7993
      },
      {
        "ch": 136.8404,
        "easting": 451776.6628,
        "northing": 6511097.4262,
        "existing_z": 181.0958,
        "design_z": 183.5919,
        "delta_z": 2.4961
      },
      {
        "ch": 140.0,
        "easting": 451779.7148,
        "northing": 6511096.6084,
        "existing_z": 181.4,
        "design_z": 183.7705,
        "delta_z": 2.3705
      },
      {
        "ch": 150.0,
        "easting": 451789.374,
        "northing": 6511094.0201,
        "existing_z": 182.4164,
        "design_z": 184.4496,
        "delta_z": 2.0332
      },
      {
        "ch": 160.0,
        "easting": 451799.0332,
        "northing": 6511091.4318,
        "existing_z": 183.7103,
        "design_z": 185.3016,
        "delta_z": 1.5913
      },
      {
        "ch": 167.6294,
        "easting": 451806.4027,
        "northing": 6511089.4571,
        "existing_z": 184.7286,
        "design_z": 186.0679,
        "delta_z": 1.3393
      },
      {
        "ch": 170.0,
        "easting": 451808.6925,
        "northing": 6511088.8436,
        "existing_z": 185.0435,
        "design_z": 186.3216,
        "delta_z": 1.2781
      },
      {
        "ch": 180.0,
        "easting": 451818.3517,
        "northing": 6511086.2553,
        "existing_z": 186.4032,
        "design_z": 187.392,
        "delta_z": 0.9888
      },
      {
        "ch": 185.2605,
        "easting": 451823.433,
        "northing": 6511084.8937,
        "existing_z": 187.1202,
        "design_z": 187.955,
        "delta_z": 0.8348
      },
      {
        "ch": 190.0,
        "easting": 451828.011,
        "northing": 6511083.667,
        "existing_z": 187.7657,
        "design_z": 188.4726,
        "delta_z": 0.7069
      },
      {
        "ch": 200.0,
        "easting": 451837.6702,
        "northing": 6511081.0788,
        "existing_z": 189.1411,
        "design_z": 189.6322,
        "delta_z": 0.4911
      },
      {
        "ch": 205.2605,
        "easting": 451842.7515,
        "northing": 6511079.7172,
        "existing_z": 189.8644,
        "design_z": 190.279,
        "delta_z": 0.4146
      },
      {
        "ch": 210.0,
        "easting": 451847.3294,
        "northing": 6511078.4905,
        "existing_z": 190.5146,
        "design_z": 190.8835,
        "delta_z": 0.3689
      },
      {
        "ch": 220.0,
        "easting": 451856.9887,
        "northing": 6511075.9023,
        "existing_z": 191.9471,
        "design_z": 192.2265,
        "delta_z": 0.2794
      },
      {
        "ch": 225.2605,
        "easting": 451862.0699,
        "northing": 6511074.5407,
        "existing_z": 192.7079,
        "design_z": 192.9697,
        "delta_z": 0.2618
      },
      {
        "ch": 230.0,
        "easting": 451866.6479,
        "northing": 6511073.314,
        "existing_z": 193.3895,
        "design_z": 193.6508,
        "delta_z": 0.2613
      },
      {
        "ch": 240.0,
        "easting": 451876.3071,
        "northing": 6511070.7257,
        "existing_z": 194.9018,
        "design_z": 195.0878,
        "delta_z": 0.1861
      },
      {
        "ch": 250.0,
        "easting": 451885.9664,
        "northing": 6511068.1375,
        "existing_z": 196.4085,
        "design_z": 196.5249,
        "delta_z": 0.1164
      },
      {
        "ch": 253.6807,
        "easting": 451889.5217,
        "northing": 6511067.1848,
        "existing_z": 196.9533,
        "design_z": 197.0538,
        "delta_z": 0.1005
      },
      {
        "ch": 260.0,
        "easting": 451895.6256,
        "northing": 6511065.5492,
        "existing_z": 197.8721,
        "design_z": 197.9673,
        "delta_z": 0.0952
      },
      {
        "ch": 270.0,
        "easting": 451905.2849,
        "northing": 6511062.9609,
        "existing_z": 199.3077,
        "design_z": 199.4353,
        "delta_z": 0.1276
      },
      {
        "ch": 273.6807,
        "easting": 451908.8402,
        "northing": 6511062.0083,
        "existing_z": 199.8307,
        "design_z": 199.9825,
        "delta_z": 0.1518
      },
      {
        "ch": 280.0,
        "easting": 451914.9441,
        "northing": 6511060.3727,
        "existing_z": 200.7571,
        "design_z": 200.9307,
        "delta_z": 0.1735
      },
      {
        "ch": 290.0,
        "easting": 451924.6033,
        "northing": 6511057.7844,
        "existing_z": 202.2304,
        "design_z": 202.4533,
        "delta_z": 0.223
      },
      {
        "ch": 293.6807,
        "easting": 451928.1586,
        "northing": 6511056.8317,
        "existing_z": 202.7712,
        "design_z": 203.0207,
        "delta_z": 0.2495
      },
      {
        "ch": 300.0,
        "easting": 451934.2626,
        "northing": 6511055.1962,
        "existing_z": 203.7639,
        "design_z": 203.9979,
        "delta_z": 0.234
      },
      {
        "ch": 310.0,
        "easting": 451943.9218,
        "northing": 6511052.6079,
        "existing_z": 205.3788,
        "design_z": 205.5443,
        "delta_z": 0.1656
      },
      {
        "ch": 320.0,
        "easting": 451953.5811,
        "northing": 6511050.0196,
        "existing_z": 206.9965,
        "design_z": 207.0908,
        "delta_z": 0.0943
      },
      {
        "ch": 330.0,
        "easting": 451963.2403,
        "northing": 6511047.4314,
        "existing_z": 208.6036,
        "design_z": 208.6372,
        "delta_z": 0.0336
      },
      {
        "ch": 340.0,
        "easting": 451972.8995,
        "northing": 6511044.8431,
        "existing_z": 210.1854,
        "design_z": 210.1836,
        "delta_z": -0.0018
      },
      {
        "ch": 342.1009,
        "easting": 451974.9288,
        "northing": 6511044.2993,
        "existing_z": 210.5085,
        "design_z": 210.5085,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD270",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 149.298,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 18.09,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449750.0,
          6511090.0
        ],
        "end": [
          449764.06030303804,
          6511104.060303038
        ],
        "chainage_start": 0,
        "length": 19.884271247436818
      },
      {
        "type": "ARC",
        "centre": [
          449778.4,
          6511089.720606076
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 2.3561944901781375,
        "sweep_rad": -0.7853981633974484,
        "start": [
          449764.06030303804,
          6511104.060303038
        ],
        "end": [
          449778.4,
          6511110.0
        ],
        "chainage_start": 19.884271247436818,
        "length": 15.927398742671137,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449778.4000000003,
          6511109.999999999
        ],
        "end": [
          449784.0958336609,
          6511110.0
        ],
        "chainage_start": 35.81166999010796,
        "length": 5.695833660603967
      },
      {
        "type": "ARC",
        "centre": [
          449784.0958336609,
          6511107.575264716
        ],
        "radius": 2.4247352842582375,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -2.362230634191717,
        "start": [
          449784.0958336609,
          6511110.0
        ],
        "end": [
          449785.8,
          6511105.8504
        ],
        "chainage_start": 41.507503650711925,
        "length": 5.72778396828037,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449785.8,
          6511105.8504
        ],
        "end": [
          449784.2,
          6511104.2696
        ],
        "chainage_start": 47.235287618992295,
        "length": 2.2492062241619712
      },
      {
        "type": "ARC",
        "centre": [
          449785.9041663391,
          6511102.5447352845
        ],
        "radius": 2.4247352842582375,
        "start_angle_rad": 2.350158346183464,
        "sweep_rad": 2.362230634191717,
        "start": [
          449784.2,
          6511104.2696
        ],
        "end": [
          449785.9041663391,
          6511100.12
        ],
        "chainage_start": 49.48449384315427,
        "length": 5.72778396828037,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449785.9041663391,
          6511100.12
        ],
        "end": [
          449879.99,
          6511100.12
        ],
        "chainage_start": 55.21227781143464,
        "length": 94.08583366090897
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 74.6490557361718,
        "pvi_z": 187.09405004813954,
        "bvc": 54.6490557361718,
        "evc": 94.6490557361718,
        "length": 40.0,
        "g1": 0.13219361343506558,
        "g2": 0.18092703539419247,
        "z_bvc": 184.45017777943823,
        "K_m_per_percent": 8.207919409711947
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449750.0,
        "northing": 6511090.0,
        "existing_z": 177.2259,
        "design_z": 177.2259,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449757.0711,
        "northing": 6511097.0711,
        "existing_z": 177.9613,
        "design_z": 178.5479,
        "delta_z": 0.5866
      },
      {
        "ch": 20.0,
        "easting": 449764.1424,
        "northing": 6511104.1419,
        "existing_z": 178.7704,
        "design_z": 179.8698,
        "delta_z": 1.0994
      },
      {
        "ch": 30.0,
        "easting": 449772.6676,
        "northing": 6511109.1729,
        "existing_z": 179.9928,
        "design_z": 181.1917,
        "delta_z": 1.199
      },
      {
        "ch": 40.0,
        "easting": 449782.5883,
        "northing": 6511110.0,
        "existing_z": 181.7434,
        "design_z": 182.5137,
        "delta_z": 0.7703
      },
      {
        "ch": 50.0,
        "easting": 449783.8744,
        "northing": 6511103.8712,
        "existing_z": 182.0866,
        "design_z": 183.8356,
        "delta_z": 1.749
      },
      {
        "ch": 54.6491,
        "easting": 449785.346,
        "northing": 6511100.1851,
        "existing_z": 182.41,
        "design_z": 184.4502,
        "delta_z": 2.0402
      },
      {
        "ch": 60.0,
        "easting": 449790.6919,
        "northing": 6511100.12,
        "existing_z": 183.3508,
        "design_z": 185.175,
        "delta_z": 1.8242
      },
      {
        "ch": 70.0,
        "easting": 449800.6919,
        "northing": 6511100.12,
        "existing_z": 185.2773,
        "design_z": 186.623,
        "delta_z": 1.3458
      },
      {
        "ch": 74.6491,
        "easting": 449805.3409,
        "northing": 6511100.12,
        "existing_z": 186.1729,
        "design_z": 187.3377,
        "delta_z": 1.1649
      },
      {
        "ch": 80.0,
        "easting": 449810.6919,
        "northing": 6511100.12,
        "existing_z": 187.2037,
        "design_z": 188.1929,
        "delta_z": 0.9892
      },
      {
        "ch": 90.0,
        "easting": 449820.6919,
        "northing": 6511100.12,
        "existing_z": 189.1305,
        "design_z": 189.8846,
        "delta_z": 0.7541
      },
      {
        "ch": 94.6491,
        "easting": 449825.3409,
        "northing": 6511100.12,
        "existing_z": 190.0263,
        "design_z": 190.7126,
        "delta_z": 0.6863
      },
      {
        "ch": 100.0,
        "easting": 449830.6919,
        "northing": 6511100.12,
        "existing_z": 191.0547,
        "design_z": 191.6807,
        "delta_z": 0.626
      },
      {
        "ch": 110.0,
        "easting": 449840.6919,
        "northing": 6511100.12,
        "existing_z": 192.9438,
        "design_z": 193.49,
        "delta_z": 0.5462
      },
      {
        "ch": 120.0,
        "easting": 449850.6919,
        "northing": 6511100.12,
        "existing_z": 194.839,
        "design_z": 195.2993,
        "delta_z": 0.4603
      },
      {
        "ch": 130.0,
        "easting": 449860.6919,
        "northing": 6511100.12,
        "existing_z": 196.8156,
        "design_z": 197.1085,
        "delta_z": 0.2929
      },
      {
        "ch": 140.0,
        "easting": 449870.6919,
        "northing": 6511100.12,
        "existing_z": 198.7902,
        "design_z": 198.9178,
        "delta_z": 0.1276
      },
      {
        "ch": 149.2981,
        "easting": 449879.99,
        "northing": 6511100.12,
        "existing_z": 200.6001,
        "design_z": 200.6001,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD271",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 189.732,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 9.06,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450770.4600837586,
          6511049.150312485
        ],
        "end": [
          450785.4762351786,
          6511105.172331244
        ],
        "chainage_start": 0,
        "length": 57.999580940344124
      },
      {
        "type": "ARC",
        "centre": [
          450826.0456254082,
          6511094.298104999
        ],
        "radius": 42.00147878390341,
        "start_angle_rad": 2.8797083846973126,
        "sweep_rad": -1.570753893084068,
        "start": [
          450785.4762351786,
          6511105.172331244
        ],
        "end": [
          450836.91813013394,
          6511134.867956625
        ],
        "chainage_start": 57.999580940344124,
        "length": 65.97398631510417,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450836.9181301337,
          6511134.867956625
        ],
        "end": [
          450900.4352276631,
          6511117.845711895
        ],
        "chainage_start": 123.9735672554483,
        "length": 65.75848610031282
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 63.24401778525371,
        "pvi_z": 175.20526448511174,
        "bvc": 43.24401778525371,
        "evc": 83.2440177852537,
        "length": 40.0,
        "g1": 0.030176226082556705,
        "g2": 0.03419929445727187,
        "z_bvc": 174.6017399634606,
        "K_m_per_percent": 99.42659749806515
      },
      {
        "pvi_ch": 126.48803557050742,
        "pvi_z": 177.36816527201057,
        "bvc": 106.48803557050742,
        "evc": 146.4880355705074,
        "length": 40.0,
        "g1": 0.03419929445727187,
        "g2": 0.09062211691465631,
        "z_bvc": 176.68417938286512,
        "K_m_per_percent": 7.08932985942197
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450770.4601,
        "northing": 6511049.1503,
        "existing_z": 173.2968,
        "design_z": 173.2968,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450773.0491,
        "northing": 6511058.8094,
        "existing_z": 173.7024,
        "design_z": 173.5986,
        "delta_z": -0.1038
      },
      {
        "ch": 20.0,
        "easting": 450775.6381,
        "northing": 6511068.4684,
        "existing_z": 174.0847,
        "design_z": 173.9003,
        "delta_z": -0.1844
      },
      {
        "ch": 30.0,
        "easting": 450778.2271,
        "northing": 6511078.1274,
        "existing_z": 174.4314,
        "design_z": 174.2021,
        "delta_z": -0.2293
      },
      {
        "ch": 40.0,
        "easting": 450780.8161,
        "northing": 6511087.7865,
        "existing_z": 174.7497,
        "design_z": 174.5038,
        "delta_z": -0.2458
      },
      {
        "ch": 43.244,
        "easting": 450781.656,
        "northing": 6511090.9199,
        "existing_z": 174.8483,
        "design_z": 174.6017,
        "delta_z": -0.2465
      },
      {
        "ch": 50.0,
        "easting": 450783.4051,
        "northing": 6511097.4455,
        "existing_z": 175.0455,
        "design_z": 174.8079,
        "delta_z": -0.2376
      },
      {
        "ch": 60.0,
        "easting": 450786.04,
        "northing": 6511107.0915,
        "existing_z": 175.2996,
        "design_z": 175.1215,
        "delta_z": -0.1781
      },
      {
        "ch": 63.244,
        "easting": 450787.1463,
        "northing": 6511110.1401,
        "existing_z": 175.3512,
        "design_z": 175.2254,
        "delta_z": -0.1258
      },
      {
        "ch": 70.0,
        "easting": 450790.1857,
        "northing": 6511116.1657,
        "existing_z": 175.4654,
        "design_z": 175.4451,
        "delta_z": -0.0203
      },
      {
        "ch": 80.0,
        "easting": 450796.3546,
        "northing": 6511124.0062,
        "existing_z": 175.6429,
        "design_z": 175.7788,
        "delta_z": 0.136
      },
      {
        "ch": 83.244,
        "easting": 450798.7354,
        "northing": 6511126.2085,
        "existing_z": 175.6404,
        "design_z": 175.8893,
        "delta_z": 0.2489
      },
      {
        "ch": 90.0,
        "easting": 450804.1986,
        "northing": 6511130.1706,
        "existing_z": 175.5435,
        "design_z": 176.1203,
        "delta_z": 0.5768
      },
      {
        "ch": 100.0,
        "easting": 450813.2752,
        "northing": 6511134.3111,
        "existing_z": 175.4977,
        "design_z": 176.4623,
        "delta_z": 0.9646
      },
      {
        "ch": 106.488,
        "easting": 450819.5836,
        "northing": 6511135.7995,
        "existing_z": 175.6524,
        "design_z": 176.6842,
        "delta_z": 1.0318
      },
      {
        "ch": 110.0,
        "easting": 450823.0723,
        "northing": 6511136.1942,
        "existing_z": 175.7132,
        "design_z": 176.813,
        "delta_z": 1.0998
      },
      {
        "ch": 120.0,
        "easting": 450833.0371,
        "northing": 6511135.7136,
        "existing_z": 176.0057,
        "design_z": 177.275,
        "delta_z": 1.2694
      },
      {
        "ch": 126.488,
        "easting": 450839.3469,
        "northing": 6511134.2171,
        "existing_z": 176.4356,
        "design_z": 177.6503,
        "delta_z": 1.2147
      },
      {
        "ch": 130.0,
        "easting": 450842.7392,
        "northing": 6511133.308,
        "existing_z": 176.6793,
        "design_z": 177.8782,
        "delta_z": 1.1989
      },
      {
        "ch": 140.0,
        "easting": 450852.3983,
        "northing": 6511130.7194,
        "existing_z": 177.4886,
        "design_z": 178.6223,
        "delta_z": 1.1337
      },
      {
        "ch": 146.488,
        "easting": 450858.6652,
        "northing": 6511129.0399,
        "existing_z": 178.1594,
        "design_z": 179.1806,
        "delta_z": 1.0212
      },
      {
        "ch": 150.0,
        "easting": 450862.0574,
        "northing": 6511128.1308,
        "existing_z": 178.5249,
        "design_z": 179.4989,
        "delta_z": 0.974
      },
      {
        "ch": 160.0,
        "easting": 450871.7166,
        "northing": 6511125.5422,
        "existing_z": 179.5864,
        "design_z": 180.4051,
        "delta_z": 0.8187
      },
      {
        "ch": 170.0,
        "easting": 450881.3757,
        "northing": 6511122.9536,
        "existing_z": 180.7193,
        "design_z": 181.3113,
        "delta_z": 0.592
      },
      {
        "ch": 180.0,
        "easting": 450891.0349,
        "northing": 6511120.365,
        "existing_z": 181.8671,
        "design_z": 182.2175,
        "delta_z": 0.3505
      },
      {
        "ch": 189.7321,
        "easting": 450900.4352,
        "northing": 6511117.8457,
        "existing_z": 183.0995,
        "design_z": 183.0995,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD272",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 9.178,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.7,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450900.4352276631,
          6511117.845711895
        ],
        "end": [
          450909.3,
          6511115.47
        ],
        "chainage_start": 0,
        "length": 9.177592036897716
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450900.4352,
        "northing": 6511117.8457,
        "existing_z": 183.0995,
        "design_z": 183.0995,
        "delta_z": 0.0
      },
      {
        "ch": 9.1776,
        "easting": 450909.3,
        "northing": 6511115.47,
        "existing_z": 184.2647,
        "design_z": 184.2647,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD273",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 219.704,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 13.45,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451937.7811628801,
          6511157.78116288
        ],
        "end": [
          452150.0,
          6511100.92
        ],
        "chainage_start": 0,
        "length": 219.70440749476575
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 73.23480249825525,
        "pvi_z": 214.24064544565087,
        "bvc": 53.23480249825525,
        "evc": 93.23480249825525,
        "length": 40.0,
        "g1": 0.13445041910565442,
        "g2": 0.08970574972664654,
        "z_bvc": 211.55163706353778,
        "K_m_per_percent": 8.93961237285757
      },
      {
        "pvi_ch": 146.4696049965105,
        "pvi_z": 220.81022830983974,
        "bvc": 126.4696049965105,
        "evc": 166.4696049965105,
        "length": 40.0,
        "g1": 0.08970574972664654,
        "g2": 0.06764408668884106,
        "z_bvc": 219.01611331530682,
        "K_m_per_percent": 18.130999431663376
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451937.7812,
        "northing": 6511157.7812,
        "existing_z": 204.3942,
        "design_z": 204.3942,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451947.4405,
        "northing": 6511155.1931,
        "existing_z": 206.1555,
        "design_z": 205.7387,
        "delta_z": -0.4168
      },
      {
        "ch": 20.0,
        "easting": 451957.0997,
        "northing": 6511152.605,
        "existing_z": 207.7842,
        "design_z": 207.0832,
        "delta_z": -0.701
      },
      {
        "ch": 30.0,
        "easting": 451966.759,
        "northing": 6511150.0169,
        "existing_z": 209.369,
        "design_z": 208.4277,
        "delta_z": -0.9413
      },
      {
        "ch": 40.0,
        "easting": 451976.4183,
        "northing": 6511147.4289,
        "existing_z": 210.783,
        "design_z": 209.7722,
        "delta_z": -1.0108
      },
      {
        "ch": 50.0,
        "easting": 451986.0776,
        "northing": 6511144.8408,
        "existing_z": 212.1359,
        "design_z": 211.1167,
        "delta_z": -1.0192
      },
      {
        "ch": 53.2348,
        "easting": 451989.2022,
        "northing": 6511144.0036,
        "existing_z": 212.5772,
        "design_z": 211.5516,
        "delta_z": -1.0256
      },
      {
        "ch": 60.0,
        "easting": 451995.7369,
        "northing": 6511142.2527,
        "existing_z": 213.3946,
        "design_z": 212.4356,
        "delta_z": -0.959
      },
      {
        "ch": 70.0,
        "easting": 452005.3962,
        "northing": 6511139.6646,
        "existing_z": 214.5943,
        "design_z": 213.6485,
        "delta_z": -0.9458
      },
      {
        "ch": 73.2348,
        "easting": 452008.5208,
        "northing": 6511138.8274,
        "existing_z": 214.9861,
        "design_z": 214.0169,
        "delta_z": -0.9692
      },
      {
        "ch": 80.0,
        "easting": 452015.0555,
        "northing": 6511137.0766,
        "existing_z": 215.706,
        "design_z": 214.7496,
        "delta_z": -0.9564
      },
      {
        "ch": 90.0,
        "easting": 452024.7148,
        "northing": 6511134.4885,
        "existing_z": 216.735,
        "design_z": 215.7387,
        "delta_z": -0.9962
      },
      {
        "ch": 93.2348,
        "easting": 452027.8394,
        "northing": 6511133.6513,
        "existing_z": 217.0704,
        "design_z": 216.0348,
        "delta_z": -1.0356
      },
      {
        "ch": 100.0,
        "easting": 452034.3741,
        "northing": 6511131.9004,
        "existing_z": 217.6877,
        "design_z": 216.6416,
        "delta_z": -1.0461
      },
      {
        "ch": 110.0,
        "easting": 452044.0333,
        "northing": 6511129.3123,
        "existing_z": 218.5405,
        "design_z": 217.5387,
        "delta_z": -1.0018
      },
      {
        "ch": 120.0,
        "easting": 452053.6926,
        "northing": 6511126.7243,
        "existing_z": 219.3294,
        "design_z": 218.4358,
        "delta_z": -0.8936
      },
      {
        "ch": 126.4696,
        "easting": 452059.9418,
        "northing": 6511125.0499,
        "existing_z": 219.7746,
        "design_z": 219.0161,
        "delta_z": -0.7585
      },
      {
        "ch": 130.0,
        "easting": 452063.3519,
        "northing": 6511124.1362,
        "existing_z": 220.0181,
        "design_z": 219.3294,
        "delta_z": -0.6887
      },
      {
        "ch": 140.0,
        "easting": 452073.0112,
        "northing": 6511121.5481,
        "existing_z": 220.6811,
        "design_z": 220.1794,
        "delta_z": -0.5017
      },
      {
        "ch": 146.4696,
        "easting": 452079.2604,
        "northing": 6511119.8737,
        "existing_z": 221.0715,
        "design_z": 220.6999,
        "delta_z": -0.3716
      },
      {
        "ch": 150.0,
        "easting": 452082.6705,
        "northing": 6511118.96,
        "existing_z": 221.2855,
        "design_z": 220.9742,
        "delta_z": -0.3113
      },
      {
        "ch": 160.0,
        "easting": 452092.3298,
        "northing": 6511116.372,
        "existing_z": 221.8913,
        "design_z": 221.7139,
        "delta_z": -0.1773
      },
      {
        "ch": 166.4696,
        "easting": 452098.579,
        "northing": 6511114.6976,
        "existing_z": 222.2779,
        "design_z": 222.1631,
        "delta_z": -0.1148
      },
      {
        "ch": 170.0,
        "easting": 452101.9891,
        "northing": 6511113.7839,
        "existing_z": 222.4894,
        "design_z": 222.4019,
        "delta_z": -0.0874
      },
      {
        "ch": 180.0,
        "easting": 452111.6484,
        "northing": 6511111.1958,
        "existing_z": 223.0979,
        "design_z": 223.0784,
        "delta_z": -0.0196
      },
      {
        "ch": 190.0,
        "easting": 452121.3077,
        "northing": 6511108.6077,
        "existing_z": 223.7372,
        "design_z": 223.7548,
        "delta_z": 0.0176
      },
      {
        "ch": 200.0,
        "easting": 452130.9669,
        "northing": 6511106.0196,
        "existing_z": 224.3798,
        "design_z": 224.4312,
        "delta_z": 0.0514
      },
      {
        "ch": 210.0,
        "easting": 452140.6262,
        "northing": 6511103.4316,
        "existing_z": 225.0853,
        "design_z": 225.1077,
        "delta_z": 0.0224
      },
      {
        "ch": 219.7044,
        "easting": 452150.0,
        "northing": 6511100.92,
        "existing_z": 225.7641,
        "design_z": 225.7641,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD274",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 160.537,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 8.57,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449565.7677949465,
          6511197.907794947
        ],
        "end": [
          449679.28572674806,
          6511084.39258051
        ],
        "chainage_start": 0,
        "length": 160.53667727067958
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 53.512225756893194,
        "pvi_z": 163.1809968317321,
        "bvc": 33.512225756893194,
        "evc": 73.5122257568932,
        "length": 40.0,
        "g1": 0.08572248659969096,
        "g2": 0.08089681971068187,
        "z_bvc": 161.46654709973828,
        "K_m_per_percent": 82.89009772121594
      },
      {
        "pvi_ch": 107.02445151378639,
        "pvi_z": 167.5099657111048,
        "bvc": 87.02445151378639,
        "evc": 127.02445151378639,
        "length": 40.0,
        "g1": 0.08089681971068187,
        "g2": 0.0827250558990244,
        "z_bvc": 165.89202931689115,
        "K_m_per_percent": 218.79011177578613
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449565.7678,
        "northing": 6511197.9078,
        "existing_z": 158.5938,
        "design_z": 158.5938,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449572.8389,
        "northing": 6511190.8368,
        "existing_z": 159.4113,
        "design_z": 159.451,
        "delta_z": 0.0398
      },
      {
        "ch": 20.0,
        "easting": 449579.9101,
        "northing": 6511183.7658,
        "existing_z": 160.2981,
        "design_z": 160.3082,
        "delta_z": 0.0101
      },
      {
        "ch": 30.0,
        "easting": 449586.9813,
        "northing": 6511176.6948,
        "existing_z": 161.1953,
        "design_z": 161.1655,
        "delta_z": -0.0299
      },
      {
        "ch": 33.5122,
        "easting": 449589.4648,
        "northing": 6511174.2114,
        "existing_z": 161.5092,
        "design_z": 161.4665,
        "delta_z": -0.0427
      },
      {
        "ch": 40.0,
        "easting": 449594.0524,
        "northing": 6511169.6239,
        "existing_z": 162.0426,
        "design_z": 162.0202,
        "delta_z": -0.0225
      },
      {
        "ch": 50.0,
        "easting": 449601.1236,
        "northing": 6511162.5529,
        "existing_z": 162.9273,
        "design_z": 162.8635,
        "delta_z": -0.0638
      },
      {
        "ch": 53.5122,
        "easting": 449603.6071,
        "northing": 6511160.0694,
        "existing_z": 163.2343,
        "design_z": 163.1569,
        "delta_z": -0.0775
      },
      {
        "ch": 60.0,
        "easting": 449608.1947,
        "northing": 6511155.4819,
        "existing_z": 163.7965,
        "design_z": 163.6948,
        "delta_z": -0.1017
      },
      {
        "ch": 70.0,
        "easting": 449615.2659,
        "northing": 6511148.4109,
        "existing_z": 164.5891,
        "design_z": 164.5141,
        "delta_z": -0.075
      },
      {
        "ch": 73.5122,
        "easting": 449617.7494,
        "northing": 6511145.9274,
        "existing_z": 164.8568,
        "design_z": 164.7989,
        "delta_z": -0.0579
      },
      {
        "ch": 80.0,
        "easting": 449622.337,
        "northing": 6511141.3399,
        "existing_z": 165.3548,
        "design_z": 165.3238,
        "delta_z": -0.031
      },
      {
        "ch": 87.0245,
        "easting": 449627.3041,
        "northing": 6511136.373,
        "existing_z": 165.8987,
        "design_z": 165.892,
        "delta_z": -0.0067
      },
      {
        "ch": 90.0,
        "easting": 449629.4082,
        "northing": 6511134.2689,
        "existing_z": 166.1306,
        "design_z": 166.1329,
        "delta_z": 0.0023
      },
      {
        "ch": 100.0,
        "easting": 449636.4793,
        "northing": 6511127.198,
        "existing_z": 166.9393,
        "design_z": 166.9456,
        "delta_z": 0.0063
      },
      {
        "ch": 107.0245,
        "easting": 449641.4464,
        "northing": 6511122.231,
        "existing_z": 167.4896,
        "design_z": 167.5191,
        "delta_z": 0.0295
      },
      {
        "ch": 110.0,
        "easting": 449643.5505,
        "northing": 6511120.127,
        "existing_z": 167.7201,
        "design_z": 167.7627,
        "delta_z": 0.0427
      },
      {
        "ch": 120.0,
        "easting": 449650.6216,
        "northing": 6511113.056,
        "existing_z": 168.4936,
        "design_z": 168.5845,
        "delta_z": 0.0909
      },
      {
        "ch": 127.0245,
        "easting": 449655.5887,
        "northing": 6511108.089,
        "existing_z": 169.095,
        "design_z": 169.1645,
        "delta_z": 0.0695
      },
      {
        "ch": 130.0,
        "easting": 449657.6928,
        "northing": 6511105.985,
        "existing_z": 169.3426,
        "design_z": 169.4106,
        "delta_z": 0.068
      },
      {
        "ch": 140.0,
        "easting": 449664.7639,
        "northing": 6511098.914,
        "existing_z": 170.1452,
        "design_z": 170.2379,
        "delta_z": 0.0927
      },
      {
        "ch": 150.0,
        "easting": 449671.8351,
        "northing": 6511091.843,
        "existing_z": 170.9505,
        "design_z": 171.0651,
        "delta_z": 0.1147
      },
      {
        "ch": 160.0,
        "easting": 449678.9062,
        "northing": 6511084.7721,
        "existing_z": 171.8873,
        "design_z": 171.8924,
        "delta_z": 0.005
      },
      {
        "ch": 160.5367,
        "easting": 449679.2857,
        "northing": 6511084.3926,
        "existing_z": 171.9368,
        "design_z": 171.9368,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD275",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 150.006,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 8.51,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449670.0,
          6511090.0
        ],
        "end": [
          449563.92999999993,
          6511196.07
        ],
        "chainage_start": 0,
        "length": 150.005632561171
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 75.0028162805855,
        "pvi_z": 165.08432131285542,
        "bvc": 55.002816280585506,
        "evc": 95.0028162805855,
        "length": 40.0,
        "g1": -0.07978906086265379,
        "g2": -0.08513903150198997,
        "z_bvc": 166.68010253010848,
        "K_m_per_percent": 74.76676545829267
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449670.0,
        "northing": 6511090.0,
        "existing_z": 171.0687,
        "design_z": 171.0687,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449662.9289,
        "northing": 6511097.0711,
        "existing_z": 170.3121,
        "design_z": 170.2708,
        "delta_z": -0.0412
      },
      {
        "ch": 20.0,
        "easting": 449655.8579,
        "northing": 6511104.1421,
        "existing_z": 169.5095,
        "design_z": 169.4729,
        "delta_z": -0.0366
      },
      {
        "ch": 30.0,
        "easting": 449648.7868,
        "northing": 6511111.2132,
        "existing_z": 168.6809,
        "design_z": 168.6751,
        "delta_z": -0.0058
      },
      {
        "ch": 40.0,
        "easting": 449641.7157,
        "northing": 6511118.2843,
        "existing_z": 167.9182,
        "design_z": 167.8772,
        "delta_z": -0.0411
      },
      {
        "ch": 50.0,
        "easting": 449634.6447,
        "northing": 6511125.3553,
        "existing_z": 167.1375,
        "design_z": 167.0793,
        "delta_z": -0.0582
      },
      {
        "ch": 55.0028,
        "easting": 449631.1071,
        "northing": 6511128.8929,
        "existing_z": 166.74,
        "design_z": 166.6801,
        "delta_z": -0.0599
      },
      {
        "ch": 60.0,
        "easting": 449627.5736,
        "northing": 6511132.4264,
        "existing_z": 166.3461,
        "design_z": 166.2797,
        "delta_z": -0.0664
      },
      {
        "ch": 70.0,
        "easting": 449620.5025,
        "northing": 6511139.4975,
        "existing_z": 165.5703,
        "design_z": 165.4685,
        "delta_z": -0.1018
      },
      {
        "ch": 75.0028,
        "easting": 449616.965,
        "northing": 6511143.035,
        "existing_z": 165.1859,
        "design_z": 165.0576,
        "delta_z": -0.1284
      },
      {
        "ch": 80.0,
        "easting": 449613.4315,
        "northing": 6511146.5685,
        "existing_z": 164.8045,
        "design_z": 164.6438,
        "delta_z": -0.1607
      },
      {
        "ch": 90.0,
        "easting": 449606.3604,
        "northing": 6511153.6396,
        "existing_z": 163.9952,
        "design_z": 163.8058,
        "delta_z": -0.1894
      },
      {
        "ch": 95.0028,
        "easting": 449602.8229,
        "northing": 6511157.1771,
        "existing_z": 163.5623,
        "design_z": 163.3815,
        "delta_z": -0.1807
      },
      {
        "ch": 100.0,
        "easting": 449599.2893,
        "northing": 6511160.7107,
        "existing_z": 163.1259,
        "design_z": 162.9561,
        "delta_z": -0.1699
      },
      {
        "ch": 110.0,
        "easting": 449592.2183,
        "northing": 6511167.7817,
        "existing_z": 162.2413,
        "design_z": 162.1047,
        "delta_z": -0.1366
      },
      {
        "ch": 120.0,
        "easting": 449585.1472,
        "northing": 6511174.8528,
        "existing_z": 161.3479,
        "design_z": 161.2533,
        "delta_z": -0.0946
      },
      {
        "ch": 130.0,
        "easting": 449578.0761,
        "northing": 6511181.9239,
        "existing_z": 160.4507,
        "design_z": 160.4019,
        "delta_z": -0.0488
      },
      {
        "ch": 140.0,
        "easting": 449571.0051,
        "northing": 6511188.9949,
        "existing_z": 159.5482,
        "design_z": 159.5505,
        "delta_z": 0.0023
      },
      {
        "ch": 150.0,
        "easting": 449563.934,
        "northing": 6511196.066,
        "existing_z": 158.6991,
        "design_z": 158.6991,
        "delta_z": 0.0
      },
      {
        "ch": 150.0056,
        "easting": 449563.93,
        "northing": 6511196.07,
        "existing_z": 158.6987,
        "design_z": 158.6987,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD276",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 280.645,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.9,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451206.46,
          6511242.9
        ],
        "end": [
          451220.1132,
          6511235.4180000005
        ],
        "chainage_start": 0,
        "length": 15.568885452648063
      },
      {
        "type": "ARC",
        "centre": [
          451210.96591603814,
          6511218.7259795
        ],
        "radius": 19.034083961864223,
        "start_angle_rad": 1.0694873075571547,
        "sweep_rad": -1.0694873075673894,
        "start": [
          451220.1132,
          6511235.4180000005
        ],
        "end": [
          451230.0,
          6511218.7259794995
        ],
        "chainage_start": 15.568885452648063,
        "length": 20.356711208385796,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451230.0,
          6511218.7259795
        ],
        "end": [
          451230.0,
          6511206.8
        ],
        "chainage_start": 35.92559666103386,
        "length": 11.925979500636458
      },
      {
        "type": "ARC",
        "centre": [
          451192.7241021099,
          6511206.8
        ],
        "radius": 37.275897890105135,
        "start_angle_rad": 0.0,
        "sweep_rad": -0.8468607653469643,
        "start": [
          451230.0,
          6511206.8
        ],
        "end": [
          451217.4133582726,
          6511178.872715964
        ],
        "chainage_start": 47.851576161670316,
        "length": 31.567495416209727,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451217.4133582726,
          6511178.872715963
        ],
        "end": [
          451201.33640000003,
          6511164.6598
        ],
        "chainage_start": 79.41907157788005,
        "length": 21.458694449629725
      },
      {
        "type": "ARC",
        "centre": [
          451211.1912694761,
          6511153.512451648
        ],
        "radius": 14.878905459466939,
        "start_angle_rad": 2.294731888255803,
        "sweep_rad": 2.155890483885837,
        "start": [
          451201.33640000003,
          6511164.6598
        ],
        "end": [
          451207.34079647984,
          6511139.140406373
        ],
        "chainage_start": 100.87776602750978,
        "length": 32.0772906907018,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451207.3407964801,
          6511139.140406373
        ],
        "end": [
          451350.0,
          6511100.92
        ],
        "chainage_start": 132.95505671821158,
        "length": 147.6903781979719
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.16135872904587,
        "pvi_z": 219.21148852086367,
        "bvc": 50.16135872904587,
        "evc": 90.16135872904587,
        "length": 40.0,
        "g1": -0.11895576568421035,
        "g2": -0.09001768570319091,
        "z_bvc": 221.59060383454786,
        "K_m_per_percent": 13.82261712810114
      },
      {
        "pvi_ch": 140.32271745809174,
        "pvi_z": 212.8957253822836,
        "bvc": 120.32271745809174,
        "evc": 160.32271745809174,
        "length": 40.0,
        "g1": -0.09001768570319091,
        "g2": -0.05027140328404757,
        "z_bvc": 214.6960790963474,
        "K_m_per_percent": 10.063834292269423
      },
      {
        "pvi_ch": 210.48407618713762,
        "pvi_z": 209.368615422659,
        "bvc": 190.48407618713762,
        "evc": 230.48407618713762,
        "length": 40.0,
        "g1": -0.05027140328404757,
        "g2": 0.004578726744536431,
        "z_bvc": 210.37404348833994,
        "K_m_per_percent": 7.292598938079971
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451206.46,
        "northing": 6511242.9,
        "existing_z": 227.5576,
        "design_z": 227.5576,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451215.2295,
        "northing": 6511238.0943,
        "existing_z": 225.5745,
        "design_z": 226.368,
        "delta_z": 0.7935
      },
      {
        "ch": 20.0,
        "easting": 451223.7173,
        "northing": 6511232.8574,
        "existing_z": 223.7414,
        "design_z": 225.1785,
        "delta_z": 1.437
      },
      {
        "ch": 30.0,
        "easting": 451229.0851,
        "northing": 6511224.5563,
        "existing_z": 222.136,
        "design_z": 223.9889,
        "delta_z": 1.8529
      },
      {
        "ch": 40.0,
        "easting": 451230.0,
        "northing": 6511214.6516,
        "existing_z": 221.1,
        "design_z": 222.7994,
        "delta_z": 1.6993
      },
      {
        "ch": 50.0,
        "easting": 451229.9381,
        "northing": 6511204.6528,
        "existing_z": 220.0984,
        "design_z": 221.6098,
        "delta_z": 1.5114
      },
      {
        "ch": 50.1614,
        "easting": 451229.9285,
        "northing": 6511204.4917,
        "existing_z": 220.082,
        "design_z": 221.5906,
        "delta_z": 1.5086
      },
      {
        "ch": 60.0,
        "easting": 451228.0378,
        "northing": 6511194.8655,
        "existing_z": 219.2879,
        "design_z": 220.4553,
        "delta_z": 1.1673
      },
      {
        "ch": 70.0,
        "easting": 451223.6113,
        "northing": 6511185.932,
        "existing_z": 218.8246,
        "design_z": 219.373,
        "delta_z": 0.5485
      },
      {
        "ch": 70.1614,
        "easting": 451223.5207,
        "northing": 6511185.7985,
        "existing_z": 218.819,
        "design_z": 219.3562,
        "delta_z": 0.5372
      },
      {
        "ch": 80.0,
        "easting": 451216.9781,
        "northing": 6511178.4879,
        "existing_z": 218.6379,
        "design_z": 218.3632,
        "delta_z": -0.2748
      },
      {
        "ch": 90.0,
        "easting": 451209.4861,
        "northing": 6511171.8646,
        "existing_z": 218.5043,
        "design_z": 217.4257,
        "delta_z": -1.0786
      },
      {
        "ch": 90.1614,
        "easting": 451209.3652,
        "northing": 6511171.7577,
        "existing_z": 218.5021,
        "design_z": 217.4111,
        "delta_z": -1.091
      },
      {
        "ch": 100.0,
        "easting": 451201.994,
        "northing": 6511165.2412,
        "existing_z": 218.2187,
        "design_z": 216.5255,
        "delta_z": -1.6933
      },
      {
        "ch": 110.0,
        "easting": 451196.717,
        "northing": 6511156.959,
        "existing_z": 217.1355,
        "design_z": 215.6253,
        "delta_z": -1.5102
      },
      {
        "ch": 120.0,
        "easting": 451197.719,
        "northing": 6511147.1974,
        "existing_z": 215.1545,
        "design_z": 214.7251,
        "delta_z": -0.4294
      },
      {
        "ch": 120.3227,
        "easting": 451197.8591,
        "northing": 6511146.9067,
        "existing_z": 215.0909,
        "design_z": 214.6961,
        "delta_z": -0.3948
      },
      {
        "ch": 130.0,
        "easting": 451204.5808,
        "northing": 6511140.1826,
        "existing_z": 213.4846,
        "design_z": 213.8715,
        "delta_z": 0.3868
      },
      {
        "ch": 140.0,
        "easting": 451214.1457,
        "northing": 6511137.3173,
        "existing_z": 212.507,
        "design_z": 213.1171,
        "delta_z": 0.6101
      },
      {
        "ch": 140.3227,
        "easting": 451214.4575,
        "northing": 6511137.2337,
        "existing_z": 212.4766,
        "design_z": 213.0945,
        "delta_z": 0.6179
      },
      {
        "ch": 150.0,
        "easting": 451223.8051,
        "northing": 6511134.7294,
        "existing_z": 211.5966,
        "design_z": 212.4622,
        "delta_z": 0.8655
      },
      {
        "ch": 160.0,
        "easting": 451233.4644,
        "northing": 6511132.1415,
        "existing_z": 210.7747,
        "design_z": 211.9066,
        "delta_z": 1.1319
      },
      {
        "ch": 160.3227,
        "easting": 451233.7762,
        "northing": 6511132.058,
        "existing_z": 210.7504,
        "design_z": 211.8903,
        "delta_z": 1.1399
      },
      {
        "ch": 170.0,
        "easting": 451243.1238,
        "northing": 6511129.5536,
        "existing_z": 210.0448,
        "design_z": 211.4038,
        "delta_z": 1.359
      },
      {
        "ch": 180.0,
        "easting": 451252.7831,
        "northing": 6511126.9658,
        "existing_z": 209.403,
        "design_z": 210.9011,
        "delta_z": 1.4981
      },
      {
        "ch": 190.0,
        "easting": 451262.4425,
        "northing": 6511124.3779,
        "existing_z": 208.9335,
        "design_z": 210.3984,
        "delta_z": 1.4649
      },
      {
        "ch": 190.4841,
        "easting": 451262.9101,
        "northing": 6511124.2526,
        "existing_z": 208.9124,
        "design_z": 210.374,
        "delta_z": 1.4616
      },
      {
        "ch": 200.0,
        "easting": 451272.1018,
        "northing": 6511121.79,
        "existing_z": 208.5802,
        "design_z": 209.9578,
        "delta_z": 1.3776
      },
      {
        "ch": 210.0,
        "easting": 451281.7612,
        "northing": 6511119.2021,
        "existing_z": 208.4788,
        "design_z": 209.6541,
        "delta_z": 1.1753
      },
      {
        "ch": 210.4841,
        "easting": 451282.2287,
        "northing": 6511119.0769,
        "existing_z": 208.4758,
        "design_z": 209.6429,
        "delta_z": 1.1671
      },
      {
        "ch": 220.0,
        "easting": 451291.4205,
        "northing": 6511116.6143,
        "existing_z": 208.4831,
        "design_z": 209.4875,
        "delta_z": 1.0044
      },
      {
        "ch": 230.0,
        "easting": 451301.0798,
        "northing": 6511114.0264,
        "existing_z": 208.7288,
        "design_z": 209.4581,
        "delta_z": 0.7293
      },
      {
        "ch": 230.4841,
        "easting": 451301.5474,
        "northing": 6511113.9011,
        "existing_z": 208.7415,
        "design_z": 209.4602,
        "delta_z": 0.7187
      },
      {
        "ch": 240.0,
        "easting": 451310.7392,
        "northing": 6511111.4385,
        "existing_z": 209.003,
        "design_z": 209.5038,
        "delta_z": 0.5007
      },
      {
        "ch": 250.0,
        "easting": 451320.3985,
        "northing": 6511108.8507,
        "existing_z": 209.2606,
        "design_z": 209.5495,
        "delta_z": 0.2889
      },
      {
        "ch": 260.0,
        "easting": 451330.0579,
        "northing": 6511106.2628,
        "existing_z": 209.5385,
        "design_z": 209.5953,
        "delta_z": 0.0568
      },
      {
        "ch": 270.0,
        "easting": 451339.7172,
        "northing": 6511103.6749,
        "existing_z": 209.6072,
        "design_z": 209.6411,
        "delta_z": 0.0339
      },
      {
        "ch": 280.0,
        "easting": 451349.3766,
        "northing": 6511101.087,
        "existing_z": 209.6846,
        "design_z": 209.6869,
        "delta_z": 0.0023
      },
      {
        "ch": 280.6454,
        "easting": 451350.0,
        "northing": 6511100.92,
        "existing_z": 209.6899,
        "design_z": 209.6899,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD277",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 13.951,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.16,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451935.3599351763,
          6511158.429898048
        ],
        "end": [
          451932.25117277406,
          6511153.5405571805
        ],
        "chainage_start": 0,
        "length": 5.793967361856196
      },
      {
        "type": "ARC",
        "centre": [
          451932.6405153991,
          6511153.293003625
        ],
        "radius": 0.4613788490518872,
        "start_angle_rad": 2.5752473130107374,
        "sweep_rad": 2.922539830591503,
        "start": [
          451932.25117277406,
          6511153.5405571805
        ],
        "end": [
          451932.96675951197,
          6511152.966759512
        ],
        "chainage_start": 5.793967361856196,
        "length": 1.348398063346605,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451932.9667595119,
          6511152.966759512
        ],
        "end": [
          451937.7811628801,
          6511157.78116288
        ],
        "chainage_start": 7.142365425202801,
        "length": 6.808594538027922
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451935.3599,
        "northing": 6511158.4299,
        "existing_z": 203.9529,
        "design_z": 203.9529,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451934.9874,
        "northing": 6511154.9874,
        "existing_z": 203.9691,
        "design_z": 204.2692,
        "delta_z": 0.3001
      },
      {
        "ch": 13.951,
        "easting": 451937.7812,
        "northing": 6511157.7812,
        "existing_z": 204.3942,
        "design_z": 204.3942,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD278",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 2.507,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 17.6,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451935.3599351763,
          6511158.429898048
        ],
        "end": [
          451937.7811628801,
          6511157.78116288
        ],
        "chainage_start": 0,
        "length": 2.506631387172295
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451935.3599,
        "northing": 6511158.4299,
        "existing_z": 203.9529,
        "design_z": 203.9529,
        "delta_z": 0.0
      },
      {
        "ch": 2.5066,
        "easting": 451937.7812,
        "northing": 6511157.7812,
        "existing_z": 204.3942,
        "design_z": 204.3942,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD279",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 122.914,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.87,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450900.4352276631,
          6511117.845711895
        ],
        "end": [
          450905.9827956185,
          6511113.295198996
        ],
        "chainage_start": 0,
        "length": 7.17514305568429
      },
      {
        "type": "ARC",
        "centre": [
          450907.54179926205,
          6511115.195793247
        ],
        "radius": 2.4582007379062056,
        "start_angle_rad": -2.257776405386111,
        "sweep_rad": 2.2577764054429137,
        "start": [
          450905.9827956185,
          6511113.295198996
        ],
        "end": [
          450910.0,
          6511115.195793247
        ],
        "chainage_start": 7.17514305568429,
        "length": 5.5500676258869905,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450909.99999999994,
          6511115.195793247
        ],
        "end": [
          450910.0,
          6511177.65936148
        ],
        "chainage_start": 12.72521068157128,
        "length": 62.46356823295355
      },
      {
        "type": "ARC",
        "centre": [
          450950.72370812047,
          6511177.65936148
        ],
        "radius": 40.72370812044899,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -0.588474568768073,
        "start": [
          450910.0,
          6511177.65936148
        ],
        "end": [
          450916.8502,
          6511200.2648
        ],
        "chainage_start": 75.18877891452483,
        "length": 23.964866574818092,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450916.85020000004,
          6511200.2648
        ],
        "end": [
          450924.16850925965,
          6511211.231046371
        ],
        "chainage_start": 99.15364548934292,
        "length": 13.183937571609066
      },
      {
        "type": "ARC",
        "centre": [
          450921.8674835814,
          6511212.766632657
        ],
        "radius": 2.76635941467566,
        "start_angle_rad": -0.5884745688174511,
        "sweep_rad": 1.8974189353451836,
        "start": [
          450924.16850925965,
          6511211.231046371
        ],
        "end": [
          450922.5836105612,
          6511215.438693015
        ],
        "chainage_start": 112.33758306095199,
        "length": 5.2489427353760165,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450922.5836105613,
          6511215.438693015
        ],
        "end": [
          450917.43764419336,
          6511216.817840511
        ],
        "chainage_start": 117.586525796328,
        "length": 5.327571461389684
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 61.45704862885884,
        "pvi_z": 182.90348402574585,
        "bvc": 41.45704862885884,
        "evc": 81.45704862885884,
        "length": 40.0,
        "g1": -0.0031890242783404973,
        "g2": -0.008717424954377476,
        "z_bvc": 182.96726451131266,
        "K_m_per_percent": 72.3536558653956
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450900.4352,
        "northing": 6511117.8457,
        "existing_z": 183.0995,
        "design_z": 183.0995,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450908.6379,
        "northing": 6511112.9955,
        "existing_z": 184.2226,
        "design_z": 183.0676,
        "delta_z": -1.1551
      },
      {
        "ch": 20.0,
        "easting": 450910.0,
        "northing": 6511122.4706,
        "existing_z": 184.2339,
        "design_z": 183.0357,
        "delta_z": -1.1982
      },
      {
        "ch": 30.0,
        "easting": 450910.0,
        "northing": 6511132.4706,
        "existing_z": 184.0307,
        "design_z": 183.0038,
        "delta_z": -1.0269
      },
      {
        "ch": 40.0,
        "easting": 450910.0,
        "northing": 6511142.4706,
        "existing_z": 183.7297,
        "design_z": 182.9719,
        "delta_z": -0.7578
      },
      {
        "ch": 41.457,
        "easting": 450910.0,
        "northing": 6511143.9276,
        "existing_z": 183.6858,
        "design_z": 182.9673,
        "delta_z": -0.7185
      },
      {
        "ch": 50.0,
        "easting": 450910.0,
        "northing": 6511152.4706,
        "existing_z": 183.4119,
        "design_z": 182.935,
        "delta_z": -0.4769
      },
      {
        "ch": 60.0,
        "easting": 450910.0,
        "northing": 6511162.4706,
        "existing_z": 183.0432,
        "design_z": 182.8844,
        "delta_z": -0.1589
      },
      {
        "ch": 61.457,
        "easting": 450910.0,
        "northing": 6511163.9276,
        "existing_z": 182.9895,
        "design_z": 182.8758,
        "delta_z": -0.1137
      },
      {
        "ch": 70.0,
        "easting": 450910.0,
        "northing": 6511172.4706,
        "existing_z": 182.6603,
        "design_z": 182.8199,
        "delta_z": 0.1596
      },
      {
        "ch": 80.0,
        "easting": 450910.2839,
        "northing": 6511182.4594,
        "existing_z": 182.2767,
        "design_z": 182.7417,
        "delta_z": 0.465
      },
      {
        "ch": 81.457,
        "easting": 450910.4815,
        "northing": 6511183.9029,
        "existing_z": 182.2445,
        "design_z": 182.7291,
        "delta_z": 0.4846
      },
      {
        "ch": 90.0,
        "easting": 450912.6639,
        "northing": 6511192.1462,
        "existing_z": 182.2417,
        "design_z": 182.6547,
        "delta_z": 0.413
      },
      {
        "ch": 100.0,
        "easting": 450917.32,
        "northing": 6511200.9688,
        "existing_z": 182.5806,
        "design_z": 182.5675,
        "delta_z": -0.0131
      },
      {
        "ch": 110.0,
        "easting": 450922.8709,
        "northing": 6511209.2867,
        "existing_z": 182.918,
        "design_z": 182.4803,
        "delta_z": -0.4377
      },
      {
        "ch": 120.0,
        "easting": 450920.2524,
        "northing": 6511216.0635,
        "existing_z": 182.6103,
        "design_z": 182.3931,
        "delta_z": -0.2172
      },
      {
        "ch": 122.9141,
        "easting": 450917.4376,
        "northing": 6511216.8178,
        "existing_z": 182.3677,
        "design_z": 182.3677,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD280",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 160.873,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 14.02,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449879.99,
          6511100.12
        ],
        "end": [
          449874.1958,
          6511105.8504
        ],
        "chainage_start": 0,
        "length": 8.149247682907985
      },
      {
        "type": "ARC",
        "centre": [
          449884.13591011433,
          6511115.9011793565
        ],
        "radius": 14.135910114350077,
        "start_angle_rad": -2.350658562844368,
        "sweep_rad": -0.7909340907450139,
        "start": [
          449874.1958,
          6511105.8504
        ],
        "end": [
          449870.0,
          6511115.9011793565
        ],
        "chainage_start": 8.149247682907985,
        "length": 11.180573213146722,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449870.0,
          6511115.9011793565
        ],
        "end": [
          449870.0,
          6511204.0988206435
        ],
        "chainage_start": 19.329820896054706,
        "length": 88.19764128699899
      },
      {
        "type": "ARC",
        "centre": [
          449872.46350730286,
          6511204.0988206435
        ],
        "radius": 2.4635073028814825,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -2.3506585628447794,
        "start": [
          449870.0,
          6511204.0988206435
        ],
        "end": [
          449874.1958,
          6511205.8504
        ],
        "chainage_start": 107.5274621830537,
        "length": 5.790864536149004,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449874.1958,
          6511205.8504
        ],
        "end": [
          449875.7942,
          6511204.2696
        ],
        "chainage_start": 113.3183267192027,
        "length": 2.24806832612762
      },
      {
        "type": "ARC",
        "centre": [
          449885.89117935667,
          6511214.478995119
        ],
        "radius": 14.358995118792361,
        "start_angle_rad": -2.3506585628372827,
        "sweep_rad": 0.7798622360498827,
        "start": [
          449875.7942,
          6511204.2696
        ],
        "end": [
          449885.89117935667,
          6511200.12
        ],
        "chainage_start": 115.56639504533032,
        "length": 11.198038040770761,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449885.8911793568,
          6511200.12
        ],
        "end": [
          449920.0,
          6511200.12
        ],
        "chainage_start": 126.76443308610109,
        "length": 34.10882064321777
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 53.62441790977295,
        "pvi_z": 200.63426673412565,
        "bvc": 33.62441790977295,
        "evc": 73.62441790977294,
        "length": 40.0,
        "g1": 0.000637477067298446,
        "g2": 0.030509320693285796,
        "z_bvc": 200.62151719277966,
        "K_m_per_percent": 13.390536085024744
      },
      {
        "pvi_ch": 107.2488358195459,
        "pvi_z": 202.2703112971257,
        "bvc": 83.11784776014807,
        "evc": 131.37982387894374,
        "length": 48.26197611879566,
        "g1": 0.030509320693285796,
        "g2": 0.1401706440652756,
        "z_bvc": 201.53409124377566,
        "K_m_per_percent": 4.401002526212715
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449879.99,
        "northing": 6511100.12,
        "existing_z": 200.6001,
        "design_z": 200.6001,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449872.9687,
        "northing": 6511107.2341,
        "existing_z": 199.4501,
        "design_z": 200.6065,
        "delta_z": 1.1564
      },
      {
        "ch": 20.0,
        "easting": 449870.0,
        "northing": 6511116.5714,
        "existing_z": 199.2544,
        "design_z": 200.6128,
        "delta_z": 1.3584
      },
      {
        "ch": 30.0,
        "easting": 449870.0,
        "northing": 6511126.5714,
        "existing_z": 199.6981,
        "design_z": 200.6192,
        "delta_z": 0.9211
      },
      {
        "ch": 33.6244,
        "easting": 449870.0,
        "northing": 6511130.1958,
        "existing_z": 199.8572,
        "design_z": 200.6215,
        "delta_z": 0.7644
      },
      {
        "ch": 40.0,
        "easting": 449870.0,
        "northing": 6511136.5714,
        "existing_z": 200.0847,
        "design_z": 200.6408,
        "delta_z": 0.5561
      },
      {
        "ch": 50.0,
        "easting": 449870.0,
        "northing": 6511146.5714,
        "existing_z": 200.4415,
        "design_z": 200.7321,
        "delta_z": 0.2906
      },
      {
        "ch": 53.6244,
        "easting": 449870.0,
        "northing": 6511150.1958,
        "existing_z": 200.5667,
        "design_z": 200.7836,
        "delta_z": 0.217
      },
      {
        "ch": 60.0,
        "easting": 449870.0,
        "northing": 6511156.5714,
        "existing_z": 200.6584,
        "design_z": 200.8981,
        "delta_z": 0.2397
      },
      {
        "ch": 70.0,
        "easting": 449870.0,
        "northing": 6511166.5714,
        "existing_z": 200.8024,
        "design_z": 201.1388,
        "delta_z": 0.3364
      },
      {
        "ch": 73.6244,
        "easting": 449870.0,
        "northing": 6511170.1958,
        "existing_z": 200.8514,
        "design_z": 201.2445,
        "delta_z": 0.393
      },
      {
        "ch": 80.0,
        "easting": 449870.0,
        "northing": 6511176.5714,
        "existing_z": 200.843,
        "design_z": 201.439,
        "delta_z": 0.5959
      },
      {
        "ch": 83.1178,
        "easting": 449870.0,
        "northing": 6511179.6892,
        "existing_z": 200.8389,
        "design_z": 201.5341,
        "delta_z": 0.6951
      },
      {
        "ch": 90.0,
        "easting": 449870.0,
        "northing": 6511186.5714,
        "existing_z": 200.8299,
        "design_z": 201.7979,
        "delta_z": 0.968
      },
      {
        "ch": 100.0,
        "easting": 449870.0,
        "northing": 6511196.5714,
        "existing_z": 200.8125,
        "design_z": 202.373,
        "delta_z": 1.5605
      },
      {
        "ch": 107.2488,
        "easting": 449870.0,
        "northing": 6511203.8202,
        "existing_z": 200.7982,
        "design_z": 202.9319,
        "delta_z": 2.1336
      },
      {
        "ch": 110.0,
        "easting": 449871.1401,
        "northing": 6511206.1767,
        "existing_z": 201.076,
        "design_z": 203.1753,
        "delta_z": 2.0993
      },
      {
        "ch": 120.0,
        "easting": 449879.3742,
        "northing": 6511201.6841,
        "existing_z": 203.0505,
        "design_z": 204.2048,
        "delta_z": 1.1543
      },
      {
        "ch": 130.0,
        "easting": 449889.1267,
        "northing": 6511200.12,
        "existing_z": 205.3401,
        "design_z": 205.4615,
        "delta_z": 0.1215
      },
      {
        "ch": 131.3798,
        "easting": 449890.5066,
        "northing": 6511200.12,
        "existing_z": 205.6279,
        "design_z": 205.6528,
        "delta_z": 0.0248
      },
      {
        "ch": 140.0,
        "easting": 449899.1267,
        "northing": 6511200.12,
        "existing_z": 207.0038,
        "design_z": 206.8611,
        "delta_z": -0.1428
      },
      {
        "ch": 150.0,
        "easting": 449909.1267,
        "northing": 6511200.12,
        "existing_z": 208.5999,
        "design_z": 208.2628,
        "delta_z": -0.3372
      },
      {
        "ch": 160.0,
        "easting": 449919.1267,
        "northing": 6511200.12,
        "existing_z": 209.6954,
        "design_z": 209.6645,
        "delta_z": -0.0309
      },
      {
        "ch": 160.8733,
        "easting": 449920.0,
        "northing": 6511200.12,
        "existing_z": 209.7869,
        "design_z": 209.7869,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD281",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 128.134,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 17.42,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451811.5918736755,
          6511191.591873676
        ],
        "end": [
          451935.3599351763,
          6511158.429898048
        ],
        "chainage_start": 0,
        "length": 128.1337179480957
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 64.06685897404785,
        "pvi_z": 192.79328526344335,
        "bvc": 44.06685897404785,
        "evc": 84.06685897404785,
        "length": 40.0,
        "g1": 0.13060628638608598,
        "g2": 0.17418742780599522,
        "z_bvc": 190.18115953572163,
        "K_m_per_percent": 9.178281866139178
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451811.5919,
        "northing": 6511191.5919,
        "existing_z": 184.4258,
        "design_z": 184.4258,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451821.2512,
        "northing": 6511189.0038,
        "existing_z": 184.782,
        "design_z": 185.7318,
        "delta_z": 0.9498
      },
      {
        "ch": 20.0,
        "easting": 451830.9105,
        "northing": 6511186.4157,
        "existing_z": 185.3398,
        "design_z": 187.0379,
        "delta_z": 1.6981
      },
      {
        "ch": 30.0,
        "easting": 451840.5697,
        "northing": 6511183.8276,
        "existing_z": 186.6434,
        "design_z": 188.3439,
        "delta_z": 1.7005
      },
      {
        "ch": 40.0,
        "easting": 451850.229,
        "northing": 6511181.2396,
        "existing_z": 188.0002,
        "design_z": 189.65,
        "delta_z": 1.6498
      },
      {
        "ch": 44.0669,
        "easting": 451854.1573,
        "northing": 6511180.187,
        "existing_z": 188.6762,
        "design_z": 190.1812,
        "delta_z": 1.505
      },
      {
        "ch": 50.0,
        "easting": 451859.8883,
        "northing": 6511178.6515,
        "existing_z": 189.668,
        "design_z": 190.9752,
        "delta_z": 1.3072
      },
      {
        "ch": 60.0,
        "easting": 451869.5476,
        "northing": 6511176.0634,
        "existing_z": 191.3547,
        "design_z": 192.4004,
        "delta_z": 1.0457
      },
      {
        "ch": 64.0669,
        "easting": 451873.4759,
        "northing": 6511175.0109,
        "existing_z": 192.0863,
        "design_z": 193.0112,
        "delta_z": 0.9249
      },
      {
        "ch": 70.0,
        "easting": 451879.2069,
        "northing": 6511173.4753,
        "existing_z": 193.1665,
        "design_z": 193.9346,
        "delta_z": 0.768
      },
      {
        "ch": 80.0,
        "easting": 451888.8662,
        "northing": 6511170.8873,
        "existing_z": 195.0016,
        "design_z": 195.5776,
        "delta_z": 0.576
      },
      {
        "ch": 84.0669,
        "easting": 451892.7945,
        "northing": 6511169.8347,
        "existing_z": 195.7622,
        "design_z": 196.277,
        "delta_z": 0.5149
      },
      {
        "ch": 90.0,
        "easting": 451898.5255,
        "northing": 6511168.2992,
        "existing_z": 196.8815,
        "design_z": 197.3105,
        "delta_z": 0.429
      },
      {
        "ch": 100.0,
        "easting": 451908.1848,
        "northing": 6511165.7111,
        "existing_z": 198.7731,
        "design_z": 199.0524,
        "delta_z": 0.2792
      },
      {
        "ch": 110.0,
        "easting": 451917.8441,
        "northing": 6511163.123,
        "existing_z": 200.6375,
        "design_z": 200.7943,
        "delta_z": 0.1567
      },
      {
        "ch": 120.0,
        "easting": 451927.5033,
        "northing": 6511160.535,
        "existing_z": 202.4958,
        "design_z": 202.5361,
        "delta_z": 0.0403
      },
      {
        "ch": 128.1337,
        "easting": 451935.3599,
        "northing": 6511158.4299,
        "existing_z": 203.9529,
        "design_z": 203.9529,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD282",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 22.428,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.28,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451811.5918736755,
          6511191.591873676
        ],
        "end": [
          451810.6685869437,
          6511190.668586943
        ],
        "chainage_start": 0,
        "length": 1.3057246184290296
      },
      {
        "type": "ARC",
        "centre": [
          451809.6288931831,
          6511191.708280704
        ],
        "radius": 1.4703490169589086,
        "start_angle_rad": -0.785398163425441,
        "sweep_rad": -1.1429640149849316,
        "start": [
          451810.6685869437,
          6511190.668586943
        ],
        "end": [
          451809.1142782611,
          6511190.330929002
        ],
        "chainage_start": 1.3057246184290296,
        "length": 1.6805560158525015,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451809.114278261,
          6511190.330929001
        ],
        "end": [
          451790.9026755875,
          6511197.135264066
        ],
        "chainage_start": 2.986280634281531,
        "length": 19.441230609643963
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451811.5919,
        "northing": 6511191.5919,
        "existing_z": 184.4258,
        "design_z": 184.4258,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451802.5442,
        "northing": 6511192.7857,
        "existing_z": 184.7299,
        "design_z": 184.9542,
        "delta_z": 0.2243
      },
      {
        "ch": 20.0,
        "easting": 451793.1767,
        "northing": 6511196.2856,
        "existing_z": 185.4296,
        "design_z": 185.4827,
        "delta_z": 0.0531
      },
      {
        "ch": 22.4275,
        "easting": 451790.9027,
        "northing": 6511197.1353,
        "existing_z": 185.6109,
        "design_z": 185.6109,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD283",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 21.419,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.53,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451790.9026755875,
          6511197.135264066
        ],
        "end": [
          451811.5918736755,
          6511191.591873676
        ],
        "chainage_start": 0,
        "length": 21.418965767429057
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451790.9027,
        "northing": 6511197.1353,
        "existing_z": 185.6109,
        "design_z": 185.6109,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451800.562,
        "northing": 6511194.5472,
        "existing_z": 184.9596,
        "design_z": 185.0576,
        "delta_z": 0.098
      },
      {
        "ch": 20.0,
        "easting": 451810.2213,
        "northing": 6511191.9591,
        "existing_z": 184.3858,
        "design_z": 184.5043,
        "delta_z": 0.1185
      },
      {
        "ch": 21.419,
        "easting": 451811.5919,
        "northing": 6511191.5919,
        "existing_z": 184.4258,
        "design_z": 184.4258,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD284",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 2.599,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.03,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449565.7677949465,
          6511197.907794947
        ],
        "end": [
          449563.92999999993,
          6511196.07
        ],
        "chainage_start": 0,
        "length": 2.599034538251557
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449565.7678,
        "northing": 6511197.9078,
        "existing_z": 158.5938,
        "design_z": 158.5938,
        "delta_z": 0.0
      },
      {
        "ch": 2.599,
        "easting": 449563.93,
        "northing": 6511196.07,
        "existing_z": 158.6987,
        "design_z": 158.6987,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD285",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 11.367,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 10.68,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451779.92283687385,
          6511200.077163126
        ],
        "end": [
          451790.9026755875,
          6511197.135264066
        ],
        "chainage_start": 0,
        "length": 11.367129288377496
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451779.9228,
        "northing": 6511200.0772,
        "existing_z": 186.825,
        "design_z": 186.825,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451789.5821,
        "northing": 6511197.4891,
        "existing_z": 185.722,
        "design_z": 185.757,
        "delta_z": 0.035
      },
      {
        "ch": 11.3671,
        "easting": 451790.9027,
        "northing": 6511197.1353,
        "existing_z": 185.6109,
        "design_z": 185.6109,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD286",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 516.35,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 8.93,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449920.0,
          6511200.12
        ],
        "end": [
          450436.35,
          6511200.12
        ],
        "chainage_start": 0,
        "length": 516.3499999999767
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 73.7642857142824,
        "pvi_z": 216.37538229011034,
        "bvc": 53.764285714282394,
        "evc": 93.7642857142824,
        "length": 40.0,
        "g1": 0.08931831621695749,
        "g2": 0.08803694514084381,
        "z_bvc": 214.58901596577118,
        "K_m_per_percent": 312.1656227899082
      },
      {
        "pvi_ch": 147.5285714285648,
        "pvi_z": 222.86936466489215,
        "bvc": 127.52857142856479,
        "evc": 167.5285714285648,
        "length": 40.0,
        "g1": 0.08803694514084381,
        "g2": 0.05233266708966975,
        "z_bvc": 221.10862576207526,
        "K_m_per_percent": 11.20313928282459
      },
      {
        "pvi_ch": 221.2928571428472,
        "pvi_z": 226.72964647228497,
        "bvc": 188.33024221176007,
        "evc": 254.25547207393433,
        "length": 65.92522986217426,
        "g1": 0.05233266708966975,
        "g2": -0.057542716013954026,
        "z_bvc": 225.0046249186914,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 295.0571428571296,
        "pvi_z": 222.48504912745585,
        "bvc": 275.0571428571296,
        "evc": 315.0571428571296,
        "length": 40.0,
        "g1": -0.057542716013954026,
        "g2": -0.06404276983809547,
        "z_bvc": 223.63590344773493,
        "K_m_per_percent": 61.537951965010684
      },
      {
        "pvi_ch": 368.82142857141196,
        "pvi_z": 217.76097995518455,
        "bvc": 348.18495638470847,
        "evc": 389.45790075811544,
        "length": 41.272944373407014,
        "g1": -0.06404276983809547,
        "g2": 0.004745470784249559,
        "z_bvc": 219.08259679370786,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 442.5857142856944,
        "pvi_z": 218.11102621796272,
        "bvc": 422.5857142856944,
        "evc": 462.5857142856944,
        "length": 40.0,
        "g1": 0.004745470784249559,
        "g2": 0.040319625056822045,
        "z_bvc": 218.01611680227774,
        "K_m_per_percent": 11.244118326332165
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449920.0,
        "northing": 6511200.12,
        "existing_z": 209.7869,
        "design_z": 209.7869,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449930.0,
        "northing": 6511200.12,
        "existing_z": 210.8345,
        "design_z": 210.6801,
        "delta_z": -0.1544
      },
      {
        "ch": 20.0,
        "easting": 449940.0,
        "northing": 6511200.12,
        "existing_z": 211.6546,
        "design_z": 211.5732,
        "delta_z": -0.0814
      },
      {
        "ch": 30.0,
        "easting": 449950.0,
        "northing": 6511200.12,
        "existing_z": 212.4748,
        "design_z": 212.4664,
        "delta_z": -0.0084
      },
      {
        "ch": 40.0,
        "easting": 449960.0,
        "northing": 6511200.12,
        "existing_z": 213.3022,
        "design_z": 213.3596,
        "delta_z": 0.0574
      },
      {
        "ch": 50.0,
        "easting": 449970.0,
        "northing": 6511200.12,
        "existing_z": 214.1295,
        "design_z": 214.2528,
        "delta_z": 0.1232
      },
      {
        "ch": 53.7643,
        "easting": 449973.7643,
        "northing": 6511200.12,
        "existing_z": 214.4804,
        "design_z": 214.589,
        "delta_z": 0.1086
      },
      {
        "ch": 60.0,
        "easting": 449980.0,
        "northing": 6511200.12,
        "existing_z": 215.0617,
        "design_z": 215.1454,
        "delta_z": 0.0837
      },
      {
        "ch": 70.0,
        "easting": 449990.0,
        "northing": 6511200.12,
        "existing_z": 215.9938,
        "design_z": 216.0349,
        "delta_z": 0.0412
      },
      {
        "ch": 73.7643,
        "easting": 449993.7643,
        "northing": 6511200.12,
        "existing_z": 216.3251,
        "design_z": 216.369,
        "delta_z": 0.0439
      },
      {
        "ch": 80.0,
        "easting": 450000.0,
        "northing": 6511200.12,
        "existing_z": 216.874,
        "design_z": 216.9213,
        "delta_z": 0.0474
      },
      {
        "ch": 90.0,
        "easting": 450010.0,
        "northing": 6511200.12,
        "existing_z": 217.7542,
        "design_z": 217.8045,
        "delta_z": 0.0503
      },
      {
        "ch": 93.7643,
        "easting": 450013.7643,
        "northing": 6511200.12,
        "existing_z": 218.071,
        "design_z": 218.1361,
        "delta_z": 0.0651
      },
      {
        "ch": 100.0,
        "easting": 450020.0,
        "northing": 6511200.12,
        "existing_z": 218.5958,
        "design_z": 218.6851,
        "delta_z": 0.0893
      },
      {
        "ch": 110.0,
        "easting": 450030.0,
        "northing": 6511200.12,
        "existing_z": 219.4375,
        "design_z": 219.5655,
        "delta_z": 0.128
      },
      {
        "ch": 120.0,
        "easting": 450040.0,
        "northing": 6511200.12,
        "existing_z": 220.3481,
        "design_z": 220.4458,
        "delta_z": 0.0978
      },
      {
        "ch": 127.5286,
        "easting": 450047.5286,
        "northing": 6511200.12,
        "existing_z": 221.0336,
        "design_z": 221.1086,
        "delta_z": 0.075
      },
      {
        "ch": 130.0,
        "easting": 450050.0,
        "northing": 6511200.12,
        "existing_z": 221.2586,
        "design_z": 221.3235,
        "delta_z": 0.0648
      },
      {
        "ch": 140.0,
        "easting": 450060.0,
        "northing": 6511200.12,
        "existing_z": 222.2949,
        "design_z": 222.1372,
        "delta_z": -0.1577
      },
      {
        "ch": 147.5286,
        "easting": 450067.5286,
        "northing": 6511200.12,
        "existing_z": 223.0751,
        "design_z": 222.6908,
        "delta_z": -0.3842
      },
      {
        "ch": 150.0,
        "easting": 450070.0,
        "northing": 6511200.12,
        "existing_z": 223.3312,
        "design_z": 222.8616,
        "delta_z": -0.4696
      },
      {
        "ch": 160.0,
        "easting": 450080.0,
        "northing": 6511200.12,
        "existing_z": 224.3938,
        "design_z": 223.4967,
        "delta_z": -0.8971
      },
      {
        "ch": 167.5286,
        "easting": 450087.5286,
        "northing": 6511200.12,
        "existing_z": 225.1938,
        "design_z": 223.916,
        "delta_z": -1.2778
      },
      {
        "ch": 170.0,
        "easting": 450090.0,
        "northing": 6511200.12,
        "existing_z": 225.4564,
        "design_z": 224.0454,
        "delta_z": -1.4111
      },
      {
        "ch": 180.0,
        "easting": 450100.0,
        "northing": 6511200.12,
        "existing_z": 226.4293,
        "design_z": 224.5687,
        "delta_z": -1.8606
      },
      {
        "ch": 188.3302,
        "easting": 450108.3302,
        "northing": 6511200.12,
        "existing_z": 227.2396,
        "design_z": 225.0046,
        "delta_z": -2.235
      },
      {
        "ch": 190.0,
        "easting": 450110.0,
        "northing": 6511200.12,
        "existing_z": 227.4021,
        "design_z": 225.0897,
        "delta_z": -2.3124
      },
      {
        "ch": 200.0,
        "easting": 450120.0,
        "northing": 6511200.12,
        "existing_z": 228.0494,
        "design_z": 225.5018,
        "delta_z": -2.5476
      },
      {
        "ch": 210.0,
        "easting": 450130.0,
        "northing": 6511200.12,
        "existing_z": 228.6967,
        "design_z": 225.7473,
        "delta_z": -2.9494
      },
      {
        "ch": 220.0,
        "easting": 450140.0,
        "northing": 6511200.12,
        "existing_z": 228.7871,
        "design_z": 225.8262,
        "delta_z": -2.9609
      },
      {
        "ch": 221.2929,
        "easting": 450141.2929,
        "northing": 6511200.12,
        "existing_z": 228.7987,
        "design_z": 225.8242,
        "delta_z": -2.9745
      },
      {
        "ch": 230.0,
        "easting": 450150.0,
        "northing": 6511200.12,
        "existing_z": 228.8774,
        "design_z": 225.7383,
        "delta_z": -3.1391
      },
      {
        "ch": 240.0,
        "easting": 450160.0,
        "northing": 6511200.12,
        "existing_z": 228.4779,
        "design_z": 225.4838,
        "delta_z": -2.9941
      },
      {
        "ch": 250.0,
        "easting": 450170.0,
        "northing": 6511200.12,
        "existing_z": 228.0784,
        "design_z": 225.0627,
        "delta_z": -3.0158
      },
      {
        "ch": 254.2555,
        "easting": 450174.2555,
        "northing": 6511200.12,
        "existing_z": 227.642,
        "design_z": 224.8329,
        "delta_z": -2.8091
      },
      {
        "ch": 260.0,
        "easting": 450180.0,
        "northing": 6511200.12,
        "existing_z": 227.0529,
        "design_z": 224.5023,
        "delta_z": -2.5505
      },
      {
        "ch": 270.0,
        "easting": 450190.0,
        "northing": 6511200.12,
        "existing_z": 226.0273,
        "design_z": 223.9269,
        "delta_z": -2.1004
      },
      {
        "ch": 275.0571,
        "easting": 450195.0571,
        "northing": 6511200.12,
        "existing_z": 225.2793,
        "design_z": 223.6359,
        "delta_z": -1.6434
      },
      {
        "ch": 280.0,
        "easting": 450200.0,
        "northing": 6511200.12,
        "existing_z": 224.5483,
        "design_z": 223.3495,
        "delta_z": -1.1988
      },
      {
        "ch": 290.0,
        "easting": 450210.0,
        "northing": 6511200.12,
        "existing_z": 223.0693,
        "design_z": 222.7579,
        "delta_z": -0.3114
      },
      {
        "ch": 295.0571,
        "easting": 450215.0571,
        "northing": 6511200.12,
        "existing_z": 222.4054,
        "design_z": 222.4525,
        "delta_z": 0.0471
      },
      {
        "ch": 300.0,
        "easting": 450220.0,
        "northing": 6511200.12,
        "existing_z": 221.7565,
        "design_z": 222.1501,
        "delta_z": 0.3935
      },
      {
        "ch": 310.0,
        "easting": 450230.0,
        "northing": 6511200.12,
        "existing_z": 220.4438,
        "design_z": 221.526,
        "delta_z": 1.0822
      },
      {
        "ch": 315.0571,
        "easting": 450235.0571,
        "northing": 6511200.12,
        "existing_z": 219.9536,
        "design_z": 221.2042,
        "delta_z": 1.2506
      },
      {
        "ch": 320.0,
        "easting": 450240.0,
        "northing": 6511200.12,
        "existing_z": 219.4744,
        "design_z": 220.8876,
        "delta_z": 1.4132
      },
      {
        "ch": 330.0,
        "easting": 450250.0,
        "northing": 6511200.12,
        "existing_z": 218.5051,
        "design_z": 220.2472,
        "delta_z": 1.7421
      },
      {
        "ch": 340.0,
        "easting": 450260.0,
        "northing": 6511200.12,
        "existing_z": 217.8342,
        "design_z": 219.6068,
        "delta_z": 1.7726
      },
      {
        "ch": 348.185,
        "easting": 450268.185,
        "northing": 6511200.12,
        "existing_z": 217.2851,
        "design_z": 219.0826,
        "delta_z": 1.7975
      },
      {
        "ch": 350.0,
        "easting": 450270.0,
        "northing": 6511200.12,
        "existing_z": 217.1633,
        "design_z": 218.9691,
        "delta_z": 1.8058
      },
      {
        "ch": 360.0,
        "easting": 450280.0,
        "northing": 6511200.12,
        "existing_z": 216.8403,
        "design_z": 218.4423,
        "delta_z": 1.602
      },
      {
        "ch": 368.8214,
        "easting": 450288.8214,
        "northing": 6511200.12,
        "existing_z": 216.5553,
        "design_z": 218.1159,
        "delta_z": 1.5606
      },
      {
        "ch": 370.0,
        "easting": 450290.0,
        "northing": 6511200.12,
        "existing_z": 216.5172,
        "design_z": 218.0821,
        "delta_z": 1.5649
      },
      {
        "ch": 380.0,
        "easting": 450300.0,
        "northing": 6511200.12,
        "existing_z": 216.5085,
        "design_z": 217.8886,
        "delta_z": 1.3801
      },
      {
        "ch": 389.4579,
        "easting": 450309.4579,
        "northing": 6511200.12,
        "existing_z": 216.5003,
        "design_z": 217.8589,
        "delta_z": 1.3586
      },
      {
        "ch": 390.0,
        "easting": 450310.0,
        "northing": 6511200.12,
        "existing_z": 216.4998,
        "design_z": 217.8615,
        "delta_z": 1.3616
      },
      {
        "ch": 400.0,
        "easting": 450320.0,
        "northing": 6511200.12,
        "existing_z": 216.6805,
        "design_z": 217.9089,
        "delta_z": 1.2284
      },
      {
        "ch": 410.0,
        "easting": 450330.0,
        "northing": 6511200.12,
        "existing_z": 216.8612,
        "design_z": 217.9564,
        "delta_z": 1.0952
      },
      {
        "ch": 420.0,
        "easting": 450340.0,
        "northing": 6511200.12,
        "existing_z": 217.1084,
        "design_z": 218.0038,
        "delta_z": 0.8954
      },
      {
        "ch": 422.5857,
        "easting": 450342.5857,
        "northing": 6511200.12,
        "existing_z": 217.1723,
        "design_z": 218.0161,
        "delta_z": 0.8438
      },
      {
        "ch": 430.0,
        "easting": 450350.0,
        "northing": 6511200.12,
        "existing_z": 217.3556,
        "design_z": 218.0757,
        "delta_z": 0.7201
      },
      {
        "ch": 440.0,
        "easting": 450360.0,
        "northing": 6511200.12,
        "existing_z": 217.6525,
        "design_z": 218.2336,
        "delta_z": 0.5811
      },
      {
        "ch": 442.5857,
        "easting": 450362.5857,
        "northing": 6511200.12,
        "existing_z": 217.7292,
        "design_z": 218.2889,
        "delta_z": 0.5596
      },
      {
        "ch": 450.0,
        "easting": 450370.0,
        "northing": 6511200.12,
        "existing_z": 217.9494,
        "design_z": 218.4804,
        "delta_z": 0.531
      },
      {
        "ch": 460.0,
        "easting": 450380.0,
        "northing": 6511200.12,
        "existing_z": 218.3817,
        "design_z": 218.8161,
        "delta_z": 0.4345
      },
      {
        "ch": 462.5857,
        "easting": 450382.5857,
        "northing": 6511200.12,
        "existing_z": 218.4934,
        "design_z": 218.9174,
        "delta_z": 0.424
      },
      {
        "ch": 470.0,
        "easting": 450390.0,
        "northing": 6511200.12,
        "existing_z": 218.8139,
        "design_z": 219.2164,
        "delta_z": 0.4024
      },
      {
        "ch": 480.0,
        "easting": 450400.0,
        "northing": 6511200.12,
        "existing_z": 219.3983,
        "design_z": 219.6196,
        "delta_z": 0.2213
      },
      {
        "ch": 490.0,
        "easting": 450410.0,
        "northing": 6511200.12,
        "existing_z": 219.9826,
        "design_z": 220.0228,
        "delta_z": 0.0401
      },
      {
        "ch": 500.0,
        "easting": 450420.0,
        "northing": 6511200.12,
        "existing_z": 220.4954,
        "design_z": 220.4259,
        "delta_z": -0.0694
      },
      {
        "ch": 510.0,
        "easting": 450430.0,
        "northing": 6511200.12,
        "existing_z": 221.0081,
        "design_z": 220.8291,
        "delta_z": -0.179
      },
      {
        "ch": 516.35,
        "easting": 450436.35,
        "northing": 6511200.12,
        "existing_z": 221.0852,
        "design_z": 221.0852,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD287",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 23.215,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 8.43,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449563.92999999993,
          6511196.07
        ],
        "end": [
          449551.09148241044,
          6511208.90851759
        ],
        "chainage_start": 0,
        "length": 18.15640569582878
      },
      {
        "type": "ARC",
        "centre": [
          449553.72655404883,
          6511211.543589228
        ],
        "radius": 3.726554048837823,
        "start_angle_rad": -2.3561944902586136,
        "sweep_rad": -0.7853981634058055,
        "start": [
          449551.09148241044,
          6511208.90851759
        ],
        "end": [
          449550.0,
          6511211.543589228
        ],
        "chainage_start": 18.15640569582878,
        "length": 2.9268287057896942,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449550.0,
          6511211.543589228
        ],
        "end": [
          449550.0,
          6511213.6752124475
        ],
        "chainage_start": 21.083234401618476,
        "length": 2.1316232196986675
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449563.93,
        "northing": 6511196.07,
        "existing_z": 158.6987,
        "design_z": 158.6987,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449556.8589,
        "northing": 6511203.1411,
        "existing_z": 157.8446,
        "design_z": 157.8555,
        "delta_z": 0.011
      },
      {
        "ch": 20.0,
        "easting": 449550.1563,
        "northing": 6511210.4755,
        "existing_z": 156.973,
        "design_z": 157.0124,
        "delta_z": 0.0395
      },
      {
        "ch": 23.2149,
        "easting": 449550.0,
        "northing": 6511213.6752,
        "existing_z": 156.7414,
        "design_z": 156.7414,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD288",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 112.93,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.1,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451937.7811628801,
          6511157.78116288
        ],
        "end": [
          451956.8198051533,
          6511176.819805154
        ],
        "chainage_start": 0,
        "length": 26.924706111966348
      },
      {
        "type": "ARC",
        "centre": [
          451925.0,
          6511208.639610307
        ],
        "radius": 45.0,
        "start_angle_rad": -0.7853981634029362,
        "sweep_rad": 0.7853981634010615,
        "start": [
          451956.8198051533,
          6511176.819805154
        ],
        "end": [
          451970.0,
          6511208.639610307
        ],
        "chainage_start": 26.924706111966348,
        "length": 35.34291735304777,
        "target_radius": 45,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          451970.0,
          6511208.639610307
        ],
        "end": [
          451970.0,
          6511245.759497294
        ],
        "chainage_start": 62.26762346501411,
        "length": 37.1198869869113
      },
      {
        "type": "ARC",
        "centre": [
          451962.6825018744,
          6511245.759497294
        ],
        "radius": 7.3174981255854785,
        "start_angle_rad": 0.0,
        "sweep_rad": 1.0504217119767705,
        "start": [
          451970.0,
          6511245.759497294
        ],
        "end": [
          451966.3208,
          6511252.1084
        ],
        "chainage_start": 99.38751045192541,
        "length": 7.686458908464307,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451966.3208,
          6511252.1084
        ],
        "end": [
          451961.24,
          6511255.02
        ],
        "chainage_start": 107.07396936038971,
        "length": 5.855932307997356
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 56.46495083419353,
        "pvi_z": 206.56152131558525,
        "bvc": 31.05572295880644,
        "evc": 81.87417870958062,
        "length": 50.81845575077418,
        "g1": 0.038383558772748606,
        "g2": -0.05098081955893449,
        "z_bvc": 205.58622472406017,
        "K_m_per_percent": 5.686656887172357
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451937.7812,
        "northing": 6511157.7812,
        "existing_z": 204.3942,
        "design_z": 204.3942,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451944.8522,
        "northing": 6511164.8522,
        "existing_z": 205.4684,
        "design_z": 204.778,
        "delta_z": -0.6903
      },
      {
        "ch": 20.0,
        "easting": 451951.9233,
        "northing": 6511171.9233,
        "existing_z": 206.4787,
        "design_z": 205.1619,
        "delta_z": -1.3169
      },
      {
        "ch": 30.0,
        "easting": 451958.9184,
        "northing": 6511179.0669,
        "existing_z": 207.2978,
        "design_z": 205.5457,
        "delta_z": -1.7521
      },
      {
        "ch": 31.0557,
        "easting": 451959.6028,
        "northing": 6511179.8708,
        "existing_z": 207.373,
        "design_z": 205.5862,
        "delta_z": -1.7867
      },
      {
        "ch": 40.0,
        "easting": 451964.6021,
        "northing": 6511187.2697,
        "existing_z": 207.857,
        "design_z": 205.8592,
        "delta_z": -1.9978
      },
      {
        "ch": 50.0,
        "easting": 451968.3382,
        "northing": 6511196.5234,
        "existing_z": 207.9793,
        "design_z": 205.9978,
        "delta_z": -1.9815
      },
      {
        "ch": 56.465,
        "easting": 451969.6264,
        "northing": 6511202.853,
        "existing_z": 207.8392,
        "design_z": 205.9939,
        "delta_z": -1.8454
      },
      {
        "ch": 60.0,
        "easting": 451969.9429,
        "northing": 6511206.3729,
        "existing_z": 207.7006,
        "design_z": 205.9606,
        "delta_z": -1.74
      },
      {
        "ch": 70.0,
        "easting": 451970.0,
        "northing": 6511216.372,
        "existing_z": 207.1224,
        "design_z": 205.7475,
        "delta_z": -1.3749
      },
      {
        "ch": 80.0,
        "easting": 451970.0,
        "northing": 6511226.372,
        "existing_z": 206.5017,
        "design_z": 205.3586,
        "delta_z": -1.1431
      },
      {
        "ch": 81.8742,
        "easting": 451970.0,
        "northing": 6511228.2462,
        "existing_z": 206.3853,
        "design_z": 205.2661,
        "delta_z": -1.1192
      },
      {
        "ch": 90.0,
        "easting": 451970.0,
        "northing": 6511236.372,
        "existing_z": 205.8719,
        "design_z": 204.8519,
        "delta_z": -1.02
      },
      {
        "ch": 100.0,
        "easting": 451969.9744,
        "northing": 6511246.3713,
        "existing_z": 205.2338,
        "design_z": 204.3421,
        "delta_z": -0.8918
      },
      {
        "ch": 110.0,
        "easting": 451963.7821,
        "northing": 6511253.5632,
        "existing_z": 204.0643,
        "design_z": 203.8323,
        "delta_z": -0.2321
      },
      {
        "ch": 112.9299,
        "easting": 451961.24,
        "northing": 6511255.02,
        "existing_z": 203.6829,
        "design_z": 203.6829,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD289",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 22.299,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 8.31,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449550.0,
          6511213.6752124475
        ],
        "end": [
          449565.7677949465,
          6511197.907794947
        ],
        "chainage_start": 0,
        "length": 22.29876256918952
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449550.0,
        "northing": 6511213.6752,
        "existing_z": 156.7414,
        "design_z": 156.7414,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449557.0712,
        "northing": 6511206.6042,
        "existing_z": 157.5412,
        "design_z": 157.5721,
        "delta_z": 0.0309
      },
      {
        "ch": 20.0,
        "easting": 449564.1423,
        "northing": 6511199.5332,
        "existing_z": 158.3988,
        "design_z": 158.4028,
        "delta_z": 0.004
      },
      {
        "ch": 22.2988,
        "easting": 449565.7678,
        "northing": 6511197.9078,
        "existing_z": 158.5938,
        "design_z": 158.5938,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD290",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 23.148,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 10.01,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451760.88,
          6511205.18
        ],
        "end": [
          451766.1696,
          6511207.9756
        ],
        "chainage_start": 0,
        "length": 5.98291296270345
      },
      {
        "type": "ARC",
        "centre": [
          451768.9125795375,
          6511202.785564029
        ],
        "radius": 5.870298980693432,
        "start_angle_rad": 2.0569899847215973,
        "sweep_rad": -1.2715918213078834,
        "start": [
          451766.1696,
          6511207.9756
        ],
        "end": [
          451773.06350775424,
          6511206.936492246
        ],
        "chainage_start": 5.98291296270345,
        "length": 7.464624172481773,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451773.06350775424,
          6511206.936492246
        ],
        "end": [
          451779.92283687385,
          6511200.077163126
        ],
        "chainage_start": 13.447537135185222,
        "length": 9.700556269535461
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451760.88,
        "northing": 6511205.18,
        "existing_z": 189.1411,
        "design_z": 189.1411,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451770.068,
        "northing": 6511208.541,
        "existing_z": 188.6047,
        "design_z": 188.1405,
        "delta_z": -0.4642
      },
      {
        "ch": 20.0,
        "easting": 451777.6968,
        "northing": 6511202.3032,
        "existing_z": 187.2528,
        "design_z": 187.1399,
        "delta_z": -0.1128
      },
      {
        "ch": 23.1481,
        "easting": 451779.9228,
        "northing": 6511200.0772,
        "existing_z": 186.825,
        "design_z": 186.825,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD291",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 19.917,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.2,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450917.43764419336,
          6511216.817840511
        ],
        "end": [
          450910.0,
          6511210.0
        ],
        "chainage_start": 0,
        "length": 10.089672957044666
      },
      {
        "type": "LINE",
        "start": [
          450910.0,
          6511210.0
        ],
        "end": [
          450916.948842163,
          6511216.948842163
        ],
        "chainage_start": 10.089672957044666,
        "length": 9.8271468298607
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450917.4376,
        "northing": 6511216.8178,
        "existing_z": 182.3677,
        "design_z": 182.3677,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450910.0661,
        "northing": 6511210.0606,
        "existing_z": 181.3959,
        "design_z": 182.3475,
        "delta_z": 0.9516
      },
      {
        "ch": 19.9168,
        "easting": 450916.9488,
        "northing": 6511216.9488,
        "existing_z": 182.3275,
        "design_z": 182.3275,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD292",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 714.024,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.17,
    "radius_review_count": 4,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451779.92283687385,
          6511200.077163126
        ],
        "end": [
          451456.1951828677,
          6511286.815603092
        ],
        "chainage_start": 0,
        "length": 335.14646191786755
      },
      {
        "type": "ARC",
        "centre": [
          451445.10035590944,
          6511245.407176745
        ],
        "radius": 42.869020956639446,
        "start_angle_rad": 1.3090088233163093,
        "sweep_rad": 1.0658608125675113,
        "start": [
          451456.1951828677,
          6511286.815603092
        ],
        "end": [
          451414.2266,
          6511275.148800001
        ],
        "chainage_start": 335.14646191786755,
        "length": 45.69240951081739,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451414.2266,
          6511275.1488
        ],
        "end": [
          451401.655485932,
          6511262.099158966
        ],
        "chainage_start": 380.83887142868497,
        "length": 18.119769314669178
      },
      {
        "type": "ARC",
        "centre": [
          451431.65470864647,
          6511233.2
        ],
        "radius": 41.654708646455255,
        "start_angle_rad": 2.3748696358896693,
        "sweep_rad": 0.7667230177067771,
        "start": [
          451401.655485932,
          6511262.099158966
        ],
        "end": [
          451390.0,
          6511233.2
        ],
        "chainage_start": 398.9586407433541,
        "length": 31.93762391510675,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451390.0,
          6511233.2
        ],
        "end": [
          451390.0,
          6511218.684204627
        ],
        "chainage_start": 430.8962646584609,
        "length": 14.515795373357832
      },
      {
        "type": "ARC",
        "centre": [
          451408.53068138595,
          6511218.684204627
        ],
        "radius": 18.530681385958985,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.8764915139272078,
        "start": [
          451390.0,
          6511218.684204627
        ],
        "end": [
          451396.6738,
          6511204.4434
        ],
        "chainage_start": 445.4120600318187,
        "length": 16.24198498208192,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451396.6738,
          6511204.443399999
        ],
        "end": [
          451399.2162,
          6511202.326599999
        ],
        "chainage_start": 461.65404501390066,
        "length": 3.3082684292552167
      },
      {
        "type": "ARC",
        "centre": [
          451424.50818008813,
          6511232.703740104
        ],
        "radius": 39.52790024435714,
        "start_angle_rad": -2.2651011396634027,
        "sweep_rad": 0.43252465049251027,
        "start": [
          451399.2162,
          6511202.326599999
        ],
        "end": [
          451414.2783407402,
          6511194.52252372
        ],
        "chainage_start": 464.9623134431559,
        "length": 17.096791237893385,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451414.27834074013,
          6511194.522523719
        ],
        "end": [
          451638.34,
          6511134.49
        ],
        "chainage_start": 482.0591046810493,
        "length": 231.96450386714264
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 79.33595650535466,
        "pvi_z": 194.71269588283218,
        "bvc": 59.33595650535466,
        "evc": 99.33595650535466,
        "length": 40.0,
        "g1": 0.09942206608960223,
        "g2": 0.05241971309156677,
        "z_bvc": 192.72425456104014,
        "K_m_per_percent": 8.510212244410798
      },
      {
        "pvi_ch": 158.67191301070932,
        "pvi_z": 198.8714639606879,
        "bvc": 138.67191301070932,
        "evc": 178.67191301070932,
        "length": 40.0,
        "g1": 0.05241971309156677,
        "g2": 0.013783498702354112,
        "z_bvc": 197.82306969885656,
        "K_m_per_percent": 10.35298116866442
      },
      {
        "pvi_ch": 238.00786951606398,
        "pvi_z": 199.96499101422947,
        "bvc": 218.00786951606398,
        "evc": 258.007869516064,
        "length": 40.0,
        "g1": 0.013783498702354112,
        "g2": 0.03986823572255494,
        "z_bvc": 199.6893210401824,
        "K_m_per_percent": 15.334638018019028
      },
      {
        "pvi_ch": 317.34382602141864,
        "pvi_z": 203.1279756294593,
        "bvc": 297.34382602141864,
        "evc": 337.34382602141864,
        "length": 40.0,
        "g1": 0.03986823572255494,
        "g2": 0.08988246822056772,
        "z_bvc": 202.3306109150082,
        "K_m_per_percent": 7.997723448338295
      },
      {
        "pvi_ch": 396.6797825267733,
        "pvi_z": 210.2588872188002,
        "bvc": 371.23456683474393,
        "evc": 422.12499821880266,
        "length": 50.89043138405872,
        "g1": 0.08988246822056772,
        "g2": 0.005065082580469856,
        "z_bvc": 207.97180842799588,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 476.01573903212795,
        "pvi_z": 210.66073039010038,
        "bvc": 450.06149380807585,
        "evc": 501.96998425618006,
        "length": 51.90849044810417,
        "g1": 0.005065082580469856,
        "g2": -0.08144906816637043,
        "z_bvc": 210.5292699947268,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 555.3516955374826,
        "pvi_z": 204.19889066065156,
        "bvc": 535.3516955374826,
        "evc": 575.3516955374826,
        "length": 40.0,
        "g1": -0.08144906816637043,
        "g2": -0.10820537055407865,
        "z_bvc": 205.82787202397895,
        "K_m_per_percent": 14.9497488181984
      },
      {
        "pvi_ch": 634.6876520428373,
        "pvi_z": 195.61431408872738,
        "bvc": 614.6876520428373,
        "evc": 654.6876520428373,
        "length": 40.0,
        "g1": -0.10820537055407865,
        "g2": -0.12167219361072729,
        "z_bvc": 197.77842149980896,
        "K_m_per_percent": 29.702625356952183
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451779.9228,
        "northing": 6511200.0772,
        "existing_z": 186.825,
        "design_z": 186.825,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451770.2635,
        "northing": 6511202.6652,
        "existing_z": 187.9519,
        "design_z": 187.8192,
        "delta_z": -0.1328
      },
      {
        "ch": 20.0,
        "easting": 451760.6043,
        "northing": 6511205.2533,
        "existing_z": 189.1762,
        "design_z": 188.8134,
        "delta_z": -0.3628
      },
      {
        "ch": 30.0,
        "easting": 451750.945,
        "northing": 6511207.8414,
        "existing_z": 190.4087,
        "design_z": 189.8076,
        "delta_z": -0.6011
      },
      {
        "ch": 40.0,
        "easting": 451741.2857,
        "northing": 6511210.4295,
        "existing_z": 191.5495,
        "design_z": 190.8018,
        "delta_z": -0.7477
      },
      {
        "ch": 50.0,
        "easting": 451731.6264,
        "northing": 6511213.0175,
        "existing_z": 192.6466,
        "design_z": 191.7961,
        "delta_z": -0.8505
      },
      {
        "ch": 59.336,
        "easting": 451722.6085,
        "northing": 6511215.4338,
        "existing_z": 193.5809,
        "design_z": 192.7243,
        "delta_z": -0.8566
      },
      {
        "ch": 60.0,
        "easting": 451721.9671,
        "northing": 6511215.6056,
        "existing_z": 193.6461,
        "design_z": 192.79,
        "delta_z": -0.8561
      },
      {
        "ch": 70.0,
        "easting": 451712.3078,
        "northing": 6511218.1937,
        "existing_z": 194.6326,
        "design_z": 193.7177,
        "delta_z": -0.915
      },
      {
        "ch": 79.336,
        "easting": 451703.2899,
        "northing": 6511220.6099,
        "existing_z": 195.4785,
        "design_z": 194.4777,
        "delta_z": -1.0008
      },
      {
        "ch": 80.0,
        "easting": 451702.6485,
        "northing": 6511220.7818,
        "existing_z": 195.5372,
        "design_z": 194.5278,
        "delta_z": -1.0093
      },
      {
        "ch": 90.0,
        "easting": 451692.9892,
        "northing": 6511223.3698,
        "existing_z": 196.429,
        "design_z": 195.2205,
        "delta_z": -1.2085
      },
      {
        "ch": 99.336,
        "easting": 451683.9714,
        "northing": 6511225.7861,
        "existing_z": 197.147,
        "design_z": 195.7611,
        "delta_z": -1.3859
      },
      {
        "ch": 100.0,
        "easting": 451683.3299,
        "northing": 6511225.9579,
        "existing_z": 197.1944,
        "design_z": 195.7959,
        "delta_z": -1.3985
      },
      {
        "ch": 110.0,
        "easting": 451673.6707,
        "northing": 6511228.546,
        "existing_z": 197.9241,
        "design_z": 196.3201,
        "delta_z": -1.6041
      },
      {
        "ch": 120.0,
        "easting": 451664.0114,
        "northing": 6511231.1341,
        "existing_z": 198.474,
        "design_z": 196.8443,
        "delta_z": -1.6297
      },
      {
        "ch": 130.0,
        "easting": 451654.3521,
        "northing": 6511233.7221,
        "existing_z": 198.9183,
        "design_z": 197.3685,
        "delta_z": -1.5498
      },
      {
        "ch": 138.6719,
        "easting": 451645.9756,
        "northing": 6511235.9665,
        "existing_z": 199.2025,
        "design_z": 197.8231,
        "delta_z": -1.3795
      },
      {
        "ch": 140.0,
        "easting": 451644.6928,
        "northing": 6511236.3102,
        "existing_z": 199.2273,
        "design_z": 197.8918,
        "delta_z": -1.3354
      },
      {
        "ch": 150.0,
        "easting": 451635.0335,
        "northing": 6511238.8983,
        "existing_z": 199.4384,
        "design_z": 198.3549,
        "delta_z": -1.0834
      },
      {
        "ch": 158.6719,
        "easting": 451626.6571,
        "northing": 6511241.1427,
        "existing_z": 199.576,
        "design_z": 198.6783,
        "delta_z": -0.8977
      },
      {
        "ch": 160.0,
        "easting": 451625.3742,
        "northing": 6511241.4864,
        "existing_z": 199.5811,
        "design_z": 198.7214,
        "delta_z": -0.8597
      },
      {
        "ch": 170.0,
        "easting": 451615.7149,
        "northing": 6511244.0744,
        "existing_z": 199.6422,
        "design_z": 198.9913,
        "delta_z": -0.6509
      },
      {
        "ch": 178.6719,
        "easting": 451607.3385,
        "northing": 6511246.3188,
        "existing_z": 199.6913,
        "design_z": 199.1471,
        "delta_z": -0.5442
      },
      {
        "ch": 180.0,
        "easting": 451606.0556,
        "northing": 6511246.6625,
        "existing_z": 199.6891,
        "design_z": 199.1654,
        "delta_z": -0.5237
      },
      {
        "ch": 190.0,
        "easting": 451596.3963,
        "northing": 6511249.2506,
        "existing_z": 199.6825,
        "design_z": 199.3033,
        "delta_z": -0.3792
      },
      {
        "ch": 200.0,
        "easting": 451586.7371,
        "northing": 6511251.8387,
        "existing_z": 199.6544,
        "design_z": 199.4411,
        "delta_z": -0.2133
      },
      {
        "ch": 210.0,
        "easting": 451577.0778,
        "northing": 6511254.4268,
        "existing_z": 199.6049,
        "design_z": 199.5789,
        "delta_z": -0.0259
      },
      {
        "ch": 218.0079,
        "easting": 451569.3427,
        "northing": 6511256.4992,
        "existing_z": 199.5771,
        "design_z": 199.6893,
        "delta_z": 0.1122
      },
      {
        "ch": 220.0,
        "easting": 451567.4185,
        "northing": 6511257.0148,
        "existing_z": 199.5777,
        "design_z": 199.7181,
        "delta_z": 0.1403
      },
      {
        "ch": 230.0,
        "easting": 451557.7592,
        "northing": 6511259.6029,
        "existing_z": 199.58,
        "design_z": 199.9015,
        "delta_z": 0.3215
      },
      {
        "ch": 238.0079,
        "easting": 451550.0242,
        "northing": 6511261.6754,
        "existing_z": 199.5808,
        "design_z": 200.0954,
        "delta_z": 0.5146
      },
      {
        "ch": 240.0,
        "easting": 451548.0999,
        "northing": 6511262.191,
        "existing_z": 199.5945,
        "design_z": 200.1501,
        "delta_z": 0.5557
      },
      {
        "ch": 250.0,
        "easting": 451538.4406,
        "northing": 6511264.7791,
        "existing_z": 199.6451,
        "design_z": 200.464,
        "delta_z": 0.8189
      },
      {
        "ch": 258.0079,
        "easting": 451530.7056,
        "northing": 6511266.8516,
        "existing_z": 199.6629,
        "design_z": 200.7624,
        "delta_z": 1.0995
      },
      {
        "ch": 260.0,
        "easting": 451528.7813,
        "northing": 6511267.3671,
        "existing_z": 199.6746,
        "design_z": 200.8418,
        "delta_z": 1.1672
      },
      {
        "ch": 270.0,
        "easting": 451519.122,
        "northing": 6511269.9552,
        "existing_z": 199.7125,
        "design_z": 201.2405,
        "delta_z": 1.5279
      },
      {
        "ch": 280.0,
        "easting": 451509.4627,
        "northing": 6511272.5433,
        "existing_z": 199.8296,
        "design_z": 201.6391,
        "delta_z": 1.8095
      },
      {
        "ch": 290.0,
        "easting": 451499.8035,
        "northing": 6511275.1314,
        "existing_z": 200.1922,
        "design_z": 202.0378,
        "delta_z": 1.8456
      },
      {
        "ch": 297.3438,
        "easting": 451492.7098,
        "northing": 6511277.032,
        "existing_z": 200.3756,
        "design_z": 202.3306,
        "delta_z": 1.955
      },
      {
        "ch": 300.0,
        "easting": 451490.1442,
        "northing": 6511277.7194,
        "existing_z": 200.4246,
        "design_z": 202.4409,
        "delta_z": 2.0163
      },
      {
        "ch": 310.0,
        "easting": 451480.4849,
        "northing": 6511280.3075,
        "existing_z": 201.2632,
        "design_z": 202.9353,
        "delta_z": 1.6721
      },
      {
        "ch": 317.3438,
        "easting": 451473.3913,
        "northing": 6511282.2081,
        "existing_z": 201.7776,
        "design_z": 203.378,
        "delta_z": 1.6005
      },
      {
        "ch": 320.0,
        "easting": 451470.8256,
        "northing": 6511282.8956,
        "existing_z": 201.9407,
        "design_z": 203.5548,
        "delta_z": 1.6141
      },
      {
        "ch": 330.0,
        "easting": 451461.1663,
        "northing": 6511285.4837,
        "existing_z": 203.1522,
        "design_z": 204.2993,
        "delta_z": 1.147
      },
      {
        "ch": 337.3438,
        "easting": 451454.059,
        "northing": 6511287.3297,
        "existing_z": 204.0189,
        "design_z": 204.9256,
        "delta_z": 0.9068
      },
      {
        "ch": 340.0,
        "easting": 451451.446,
        "northing": 6511287.8039,
        "existing_z": 204.3238,
        "design_z": 205.1644,
        "delta_z": 0.8405
      },
      {
        "ch": 350.0,
        "easting": 451441.4737,
        "northing": 6511288.1225,
        "existing_z": 205.8797,
        "design_z": 206.0632,
        "delta_z": 0.1835
      },
      {
        "ch": 360.0,
        "easting": 451431.6979,
        "northing": 6511286.1273,
        "existing_z": 207.5116,
        "design_z": 206.962,
        "delta_z": -0.5496
      },
      {
        "ch": 370.0,
        "easting": 451422.6481,
        "northing": 6511281.9263,
        "existing_z": 208.9678,
        "design_z": 207.8608,
        "delta_z": -1.1069
      },
      {
        "ch": 371.2346,
        "easting": 451421.6059,
        "northing": 6511281.2647,
        "existing_z": 209.1376,
        "design_z": 207.9718,
        "delta_z": -1.1658
      },
      {
        "ch": 380.0,
        "easting": 451414.8145,
        "northing": 6511275.7472,
        "existing_z": 210.2838,
        "design_z": 208.6956,
        "delta_z": -1.5881
      },
      {
        "ch": 390.0,
        "easting": 451407.8708,
        "northing": 6511268.5511,
        "existing_z": 211.4204,
        "design_z": 209.365,
        "delta_z": -2.0554
      },
      {
        "ch": 396.6798,
        "easting": 451403.2365,
        "northing": 6511263.7404,
        "existing_z": 212.0086,
        "design_z": 209.7193,
        "delta_z": -2.2893
      },
      {
        "ch": 400.0,
        "easting": 451400.9425,
        "northing": 6511261.3402,
        "existing_z": 212.2876,
        "design_z": 209.8678,
        "delta_z": -2.4198
      },
      {
        "ch": 410.0,
        "easting": 451395.1324,
        "northing": 6511253.2308,
        "existing_z": 212.9824,
        "design_z": 210.2038,
        "delta_z": -2.7785
      },
      {
        "ch": 420.0,
        "easting": 451391.417,
        "northing": 6511243.9724,
        "existing_z": 213.3432,
        "design_z": 210.3732,
        "delta_z": -2.97
      },
      {
        "ch": 422.125,
        "easting": 451390.9201,
        "northing": 6511241.9066,
        "existing_z": 213.3768,
        "design_z": 210.3878,
        "delta_z": -2.989
      },
      {
        "ch": 430.0,
        "easting": 451390.0096,
        "northing": 6511234.0962,
        "existing_z": 213.4105,
        "design_z": 210.4277,
        "delta_z": -2.9828
      },
      {
        "ch": 440.0,
        "easting": 451390.0,
        "northing": 6511224.0963,
        "existing_z": 213.3202,
        "design_z": 210.4783,
        "delta_z": -2.8419
      },
      {
        "ch": 450.0,
        "easting": 451390.5651,
        "northing": 6511214.143,
        "existing_z": 213.1704,
        "design_z": 210.529,
        "delta_z": -2.6415
      },
      {
        "ch": 450.0615,
        "easting": 451390.5802,
        "northing": 6511214.0834,
        "existing_z": 213.1688,
        "design_z": 210.5293,
        "delta_z": -2.6395
      },
      {
        "ch": 460.0,
        "easting": 451395.4516,
        "northing": 6511205.557,
        "existing_z": 212.7787,
        "design_z": 210.4973,
        "delta_z": -2.2814
      },
      {
        "ch": 470.0,
        "easting": 451403.2823,
        "northing": 6511199.3583,
        "existing_z": 212.2805,
        "design_z": 210.299,
        "delta_z": -1.9816
      },
      {
        "ch": 476.0157,
        "easting": 451408.5829,
        "northing": 6511196.5258,
        "existing_z": 211.9796,
        "design_z": 210.0994,
        "delta_z": -1.8802
      },
      {
        "ch": 480.0,
        "easting": 451412.3042,
        "northing": 6511195.107,
        "existing_z": 211.7163,
        "design_z": 209.934,
        "delta_z": -1.7823
      },
      {
        "ch": 490.0,
        "easting": 451421.9487,
        "northing": 6511192.4674,
        "existing_z": 210.9661,
        "design_z": 209.4023,
        "delta_z": -1.5637
      },
      {
        "ch": 500.0,
        "easting": 451431.608,
        "northing": 6511189.8794,
        "existing_z": 210.1963,
        "design_z": 208.704,
        "delta_z": -1.4923
      },
      {
        "ch": 501.97,
        "easting": 451433.5109,
        "northing": 6511189.3696,
        "existing_z": 209.9852,
        "design_z": 208.5468,
        "delta_z": -1.4384
      },
      {
        "ch": 510.0,
        "easting": 451441.2673,
        "northing": 6511187.2914,
        "existing_z": 209.1473,
        "design_z": 207.8927,
        "delta_z": -1.2546
      },
      {
        "ch": 520.0,
        "easting": 451450.9266,
        "northing": 6511184.7034,
        "existing_z": 208.128,
        "design_z": 207.0783,
        "delta_z": -1.0498
      },
      {
        "ch": 530.0,
        "easting": 451460.5859,
        "northing": 6511182.1154,
        "existing_z": 206.9291,
        "design_z": 206.2638,
        "delta_z": -0.6653
      },
      {
        "ch": 535.3517,
        "easting": 451465.7553,
        "northing": 6511180.7304,
        "existing_z": 206.3254,
        "design_z": 205.8279,
        "delta_z": -0.4975
      },
      {
        "ch": 540.0,
        "easting": 451470.2452,
        "northing": 6511179.5274,
        "existing_z": 205.824,
        "design_z": 205.442,
        "delta_z": -0.3819
      },
      {
        "ch": 550.0,
        "easting": 451479.9045,
        "northing": 6511176.9394,
        "existing_z": 204.8676,
        "design_z": 204.563,
        "delta_z": -0.3046
      },
      {
        "ch": 555.3517,
        "easting": 451485.0739,
        "northing": 6511175.5544,
        "existing_z": 204.3917,
        "design_z": 204.0651,
        "delta_z": -0.3266
      },
      {
        "ch": 560.0,
        "easting": 451489.5639,
        "northing": 6511174.3514,
        "existing_z": 203.9987,
        "design_z": 203.6171,
        "delta_z": -0.3816
      },
      {
        "ch": 570.0,
        "easting": 451499.2232,
        "northing": 6511171.7634,
        "existing_z": 203.3279,
        "design_z": 202.6043,
        "delta_z": -0.7236
      },
      {
        "ch": 575.3517,
        "easting": 451504.3925,
        "northing": 6511170.3784,
        "existing_z": 202.9853,
        "design_z": 202.0348,
        "delta_z": -0.9505
      },
      {
        "ch": 580.0,
        "easting": 451508.8825,
        "northing": 6511169.1754,
        "existing_z": 202.6687,
        "design_z": 201.5318,
        "delta_z": -1.1369
      },
      {
        "ch": 590.0,
        "easting": 451518.5418,
        "northing": 6511166.5874,
        "existing_z": 201.7582,
        "design_z": 200.4498,
        "delta_z": -1.3084
      },
      {
        "ch": 600.0,
        "easting": 451528.2011,
        "northing": 6511163.9994,
        "existing_z": 200.8057,
        "design_z": 199.3677,
        "delta_z": -1.438
      },
      {
        "ch": 610.0,
        "easting": 451537.8604,
        "northing": 6511161.4114,
        "existing_z": 199.5022,
        "design_z": 198.2857,
        "delta_z": -1.2165
      },
      {
        "ch": 614.6877,
        "easting": 451542.3883,
        "northing": 6511160.1982,
        "existing_z": 198.8452,
        "design_z": 197.7784,
        "delta_z": -1.0668
      },
      {
        "ch": 620.0,
        "easting": 451547.5197,
        "northing": 6511158.8234,
        "existing_z": 198.0925,
        "design_z": 197.1988,
        "delta_z": -0.8937
      },
      {
        "ch": 630.0,
        "easting": 451557.179,
        "northing": 6511156.2353,
        "existing_z": 196.553,
        "design_z": 196.0821,
        "delta_z": -0.4709
      },
      {
        "ch": 634.6877,
        "easting": 451561.707,
        "northing": 6511155.0222,
        "existing_z": 195.8067,
        "design_z": 195.547,
        "delta_z": -0.2597
      },
      {
        "ch": 640.0,
        "easting": 451566.8383,
        "northing": 6511153.6473,
        "existing_z": 194.9547,
        "design_z": 194.9316,
        "delta_z": -0.023
      },
      {
        "ch": 650.0,
        "easting": 451576.4976,
        "northing": 6511151.0593,
        "existing_z": 193.4275,
        "design_z": 193.7475,
        "delta_z": 0.32
      },
      {
        "ch": 654.6877,
        "easting": 451581.0256,
        "northing": 6511149.8462,
        "existing_z": 192.7185,
        "design_z": 193.1809,
        "delta_z": 0.4624
      },
      {
        "ch": 660.0,
        "easting": 451586.1569,
        "northing": 6511148.4713,
        "existing_z": 191.9077,
        "design_z": 192.5345,
        "delta_z": 0.6269
      },
      {
        "ch": 670.0,
        "easting": 451595.8162,
        "northing": 6511145.8833,
        "existing_z": 190.5385,
        "design_z": 191.3178,
        "delta_z": 0.7793
      },
      {
        "ch": 680.0,
        "easting": 451605.4755,
        "northing": 6511143.2953,
        "existing_z": 189.2464,
        "design_z": 190.1011,
        "delta_z": 0.8546
      },
      {
        "ch": 690.0,
        "easting": 451615.1349,
        "northing": 6511140.7073,
        "existing_z": 188.132,
        "design_z": 188.8843,
        "delta_z": 0.7524
      },
      {
        "ch": 700.0,
        "easting": 451624.7942,
        "northing": 6511138.1193,
        "existing_z": 187.101,
        "design_z": 187.6676,
        "delta_z": 0.5666
      },
      {
        "ch": 710.0,
        "easting": 451634.4535,
        "northing": 6511135.5313,
        "existing_z": 186.2258,
        "design_z": 186.4509,
        "delta_z": 0.2251
      },
      {
        "ch": 714.0236,
        "easting": 451638.34,
        "northing": 6511134.49,
        "existing_z": 185.9613,
        "design_z": 185.9613,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD293",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 16.325,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 7.07,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449550.0,
          6511213.6752124475
        ],
        "end": [
          449550.0,
          6511230.0
        ],
        "chainage_start": 0,
        "length": 16.32478755246848
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449550.0,
        "northing": 6511213.6752,
        "existing_z": 156.7414,
        "design_z": 156.7414,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449550.0,
        "northing": 6511223.6752,
        "existing_z": 156.0339,
        "design_z": 156.0339,
        "delta_z": 0.0
      },
      {
        "ch": 16.3248,
        "easting": 449550.0,
        "northing": 6511230.0,
        "existing_z": 155.5864,
        "design_z": 155.5864,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD294",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 11.584,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 1.39,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449550.0,
          6511230.0
        ],
        "end": [
          449541.13,
          6511222.55
        ],
        "chainage_start": 0,
        "length": 11.583583210850291
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449550.0,
        "northing": 6511230.0,
        "existing_z": 155.5864,
        "design_z": 155.5864,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449542.3426,
        "northing": 6511223.5685,
        "existing_z": 155.7253,
        "design_z": 155.7257,
        "delta_z": 0.0004
      },
      {
        "ch": 11.5836,
        "easting": 449541.13,
        "northing": 6511222.55,
        "existing_z": 155.7477,
        "design_z": 155.7477,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD295",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 174.032,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 17.57,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451181.9,
          6511249.49
        ],
        "end": [
          451350.0,
          6511204.44
        ],
        "chainage_start": 0,
        "length": 174.03192954160852
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 58.01064318053617,
        "pvi_z": 222.70806983976593,
        "bvc": 35.981891103059,
        "evc": 80.03939525801334,
        "length": 44.057504154954344,
        "g1": -0.17568716934826506,
        "g2": -0.10225799575667449,
        "z_bvc": 226.5782389365326,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 116.02128636107234,
        "pvi_z": 216.7760177355687,
        "bvc": 96.02128636107234,
        "evc": 136.02128636107233,
        "length": 40.0,
        "g1": -0.10225799575667449,
        "g2": -0.04187140432766725,
        "z_bvc": 218.8211776507022,
        "K_m_per_percent": 6.623987056302973
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451181.9,
        "northing": 6511249.49,
        "existing_z": 232.8998,
        "design_z": 232.8998,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451191.5591,
        "northing": 6511246.9014,
        "existing_z": 230.9398,
        "design_z": 231.1429,
        "delta_z": 0.2032
      },
      {
        "ch": 20.0,
        "easting": 451201.2183,
        "northing": 6511244.3128,
        "existing_z": 228.7438,
        "design_z": 229.3861,
        "delta_z": 0.6422
      },
      {
        "ch": 30.0,
        "easting": 451210.8774,
        "northing": 6511241.7242,
        "existing_z": 226.593,
        "design_z": 227.6292,
        "delta_z": 1.0362
      },
      {
        "ch": 35.9819,
        "easting": 451216.6554,
        "northing": 6511240.1757,
        "existing_z": 225.4949,
        "design_z": 226.5782,
        "delta_z": 1.0834
      },
      {
        "ch": 40.0,
        "easting": 451220.5366,
        "northing": 6511239.1356,
        "existing_z": 224.7587,
        "design_z": 225.8858,
        "delta_z": 1.1271
      },
      {
        "ch": 50.0,
        "easting": 451230.1957,
        "northing": 6511236.547,
        "existing_z": 222.9395,
        "design_z": 224.2792,
        "delta_z": 1.3396
      },
      {
        "ch": 58.0106,
        "easting": 451237.9333,
        "northing": 6511234.4733,
        "existing_z": 221.8143,
        "design_z": 223.1125,
        "delta_z": 1.2982
      },
      {
        "ch": 60.0,
        "easting": 451239.8549,
        "northing": 6511233.9584,
        "existing_z": 221.5361,
        "design_z": 222.8393,
        "delta_z": 1.3032
      },
      {
        "ch": 70.0,
        "easting": 451249.514,
        "northing": 6511231.3698,
        "existing_z": 220.1452,
        "design_z": 221.5661,
        "delta_z": 1.4209
      },
      {
        "ch": 80.0,
        "easting": 451259.1732,
        "northing": 6511228.7812,
        "existing_z": 219.0676,
        "design_z": 220.4595,
        "delta_z": 1.3919
      },
      {
        "ch": 80.0394,
        "easting": 451259.2112,
        "northing": 6511228.771,
        "existing_z": 219.0634,
        "design_z": 220.4555,
        "delta_z": 1.392
      },
      {
        "ch": 90.0,
        "easting": 451268.8323,
        "northing": 6511226.1926,
        "existing_z": 218.0151,
        "design_z": 219.4369,
        "delta_z": 1.4218
      },
      {
        "ch": 96.0213,
        "easting": 451274.6484,
        "northing": 6511224.6339,
        "existing_z": 217.5038,
        "design_z": 218.8212,
        "delta_z": 1.3174
      },
      {
        "ch": 100.0,
        "easting": 451278.4915,
        "northing": 6511223.6039,
        "existing_z": 217.1898,
        "design_z": 218.4263,
        "delta_z": 1.2365
      },
      {
        "ch": 110.0,
        "easting": 451288.1506,
        "northing": 6511221.0153,
        "existing_z": 216.421,
        "design_z": 217.5392,
        "delta_z": 1.1182
      },
      {
        "ch": 116.0213,
        "easting": 451293.9667,
        "northing": 6511219.4567,
        "existing_z": 216.0724,
        "design_z": 217.078,
        "delta_z": 1.0055
      },
      {
        "ch": 120.0,
        "easting": 451297.8098,
        "northing": 6511218.4267,
        "existing_z": 215.8797,
        "design_z": 216.8032,
        "delta_z": 0.9234
      },
      {
        "ch": 130.0,
        "easting": 451307.4689,
        "northing": 6511215.8381,
        "existing_z": 215.4198,
        "design_z": 216.2181,
        "delta_z": 0.7983
      },
      {
        "ch": 136.0213,
        "easting": 451313.285,
        "northing": 6511214.2795,
        "existing_z": 215.2124,
        "design_z": 215.9386,
        "delta_z": 0.7262
      },
      {
        "ch": 140.0,
        "easting": 451317.1281,
        "northing": 6511213.2495,
        "existing_z": 215.1077,
        "design_z": 215.772,
        "delta_z": 0.6643
      },
      {
        "ch": 150.0,
        "easting": 451326.7872,
        "northing": 6511210.6609,
        "existing_z": 214.8622,
        "design_z": 215.3533,
        "delta_z": 0.4911
      },
      {
        "ch": 160.0,
        "easting": 451336.4464,
        "northing": 6511208.0723,
        "existing_z": 214.6309,
        "design_z": 214.9346,
        "delta_z": 0.3037
      },
      {
        "ch": 170.0,
        "easting": 451346.1055,
        "northing": 6511205.4837,
        "existing_z": 214.4231,
        "design_z": 214.5159,
        "delta_z": 0.0928
      },
      {
        "ch": 174.0319,
        "easting": 451350.0,
        "northing": 6511204.44,
        "existing_z": 214.347,
        "design_z": 214.347,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD296",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 195.419,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.57,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451961.24,
          6511255.02
        ],
        "end": [
          452150.0,
          6511204.44
        ],
        "chainage_start": 0,
        "length": 195.41922628011002
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 65.13974209337,
        "pvi_z": 211.22228022350936,
        "bvc": 45.13974209337,
        "evc": 85.13974209337,
        "length": 40.0,
        "g1": 0.11574175972326425,
        "g2": 0.08806442978042613,
        "z_bvc": 208.90744502904408,
        "K_m_per_percent": 14.452261140294903
      },
      {
        "pvi_ch": 130.27948418674,
        "pvi_z": 216.958774467006,
        "bvc": 110.27948418674,
        "evc": 150.27948418674,
        "length": 40.0,
        "g1": 0.08806442978042613,
        "g2": 0.0765153195162199,
        "z_bvc": 215.19748587139748,
        "K_m_per_percent": 34.63470266100988
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451961.24,
        "northing": 6511255.02,
        "existing_z": 203.6829,
        "design_z": 203.6829,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451970.8992,
        "northing": 6511252.4317,
        "existing_z": 204.9729,
        "design_z": 204.8403,
        "delta_z": -0.1325
      },
      {
        "ch": 20.0,
        "easting": 451980.5585,
        "northing": 6511249.8434,
        "existing_z": 206.2034,
        "design_z": 205.9977,
        "delta_z": -0.2057
      },
      {
        "ch": 30.0,
        "easting": 451990.2177,
        "northing": 6511247.2552,
        "existing_z": 207.4741,
        "design_z": 207.1551,
        "delta_z": -0.319
      },
      {
        "ch": 40.0,
        "easting": 451999.8769,
        "northing": 6511244.6669,
        "existing_z": 208.6971,
        "design_z": 208.3126,
        "delta_z": -0.3846
      },
      {
        "ch": 45.1397,
        "easting": 452004.8415,
        "northing": 6511243.3366,
        "existing_z": 209.3284,
        "design_z": 208.9074,
        "delta_z": -0.421
      },
      {
        "ch": 50.0,
        "easting": 452009.5362,
        "northing": 6511242.0786,
        "existing_z": 209.9272,
        "design_z": 209.4618,
        "delta_z": -0.4654
      },
      {
        "ch": 60.0,
        "easting": 452019.1954,
        "northing": 6511239.4903,
        "existing_z": 211.0559,
        "design_z": 210.551,
        "delta_z": -0.5049
      },
      {
        "ch": 65.1397,
        "easting": 452024.16,
        "northing": 6511238.16,
        "existing_z": 211.6301,
        "design_z": 211.0839,
        "delta_z": -0.5462
      },
      {
        "ch": 70.0,
        "easting": 452028.8546,
        "northing": 6511236.902,
        "existing_z": 212.171,
        "design_z": 211.571,
        "delta_z": -0.6
      },
      {
        "ch": 80.0,
        "easting": 452038.5139,
        "northing": 6511234.3137,
        "existing_z": 213.1419,
        "design_z": 212.5218,
        "delta_z": -0.6201
      },
      {
        "ch": 85.1397,
        "easting": 452043.4785,
        "northing": 6511232.9834,
        "existing_z": 213.6234,
        "design_z": 212.9836,
        "delta_z": -0.6398
      },
      {
        "ch": 90.0,
        "easting": 452048.1731,
        "northing": 6511231.7255,
        "existing_z": 214.0733,
        "design_z": 213.4116,
        "delta_z": -0.6617
      },
      {
        "ch": 100.0,
        "easting": 452057.8323,
        "northing": 6511229.1372,
        "existing_z": 214.8825,
        "design_z": 214.2922,
        "delta_z": -0.5903
      },
      {
        "ch": 110.0,
        "easting": 452067.4916,
        "northing": 6511226.5489,
        "existing_z": 215.6492,
        "design_z": 215.1729,
        "delta_z": -0.4764
      },
      {
        "ch": 110.2795,
        "easting": 452067.7615,
        "northing": 6511226.4766,
        "existing_z": 215.6704,
        "design_z": 215.1975,
        "delta_z": -0.473
      },
      {
        "ch": 120.0,
        "easting": 452077.1508,
        "northing": 6511223.9606,
        "existing_z": 216.3658,
        "design_z": 216.0399,
        "delta_z": -0.3259
      },
      {
        "ch": 130.0,
        "easting": 452086.81,
        "northing": 6511221.3723,
        "existing_z": 217.0576,
        "design_z": 216.878,
        "delta_z": -0.1795
      },
      {
        "ch": 130.2795,
        "easting": 452087.08,
        "northing": 6511221.3,
        "existing_z": 217.0767,
        "design_z": 216.901,
        "delta_z": -0.1757
      },
      {
        "ch": 140.0,
        "easting": 452096.4693,
        "northing": 6511218.7841,
        "existing_z": 217.7545,
        "design_z": 217.6873,
        "delta_z": -0.0672
      },
      {
        "ch": 150.0,
        "easting": 452106.1285,
        "northing": 6511216.1958,
        "existing_z": 218.4489,
        "design_z": 218.4677,
        "delta_z": 0.0188
      },
      {
        "ch": 150.2795,
        "easting": 452106.3985,
        "northing": 6511216.1234,
        "existing_z": 218.4682,
        "design_z": 218.4891,
        "delta_z": 0.0209
      },
      {
        "ch": 160.0,
        "easting": 452115.7877,
        "northing": 6511213.6075,
        "existing_z": 219.17,
        "design_z": 219.2328,
        "delta_z": 0.0628
      },
      {
        "ch": 170.0,
        "easting": 452125.447,
        "northing": 6511211.0192,
        "existing_z": 219.909,
        "design_z": 219.998,
        "delta_z": 0.089
      },
      {
        "ch": 180.0,
        "easting": 452135.1062,
        "northing": 6511208.4309,
        "existing_z": 220.6862,
        "design_z": 220.7632,
        "delta_z": 0.0769
      },
      {
        "ch": 190.0,
        "easting": 452144.7654,
        "northing": 6511205.8426,
        "existing_z": 221.5015,
        "design_z": 221.5283,
        "delta_z": 0.0268
      },
      {
        "ch": 195.4192,
        "easting": 452150.0,
        "northing": 6511204.44,
        "existing_z": 221.943,
        "design_z": 221.943,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD297",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 124.855,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.83,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450796.35,
          6511249.27
        ],
        "end": [
          450916.948842163,
          6511216.948842163
        ],
        "chainage_start": 0,
        "length": 124.85486764619935
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 62.427433823099676,
        "pvi_z": 184.57947691201724,
        "bvc": 42.427433823099676,
        "evc": 82.42743382309968,
        "length": 40.0,
        "g1": -0.048275875617530405,
        "g2": -0.03607425711454902,
        "z_bvc": 185.54499442436784,
        "K_m_per_percent": 32.78253617766058
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450796.35,
        "northing": 6511249.27,
        "existing_z": 187.5932,
        "design_z": 187.5932,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450806.0091,
        "northing": 6511246.6813,
        "existing_z": 187.0765,
        "design_z": 187.1105,
        "delta_z": 0.034
      },
      {
        "ch": 20.0,
        "easting": 450815.6682,
        "northing": 6511244.0926,
        "existing_z": 186.6332,
        "design_z": 186.6277,
        "delta_z": -0.0055
      },
      {
        "ch": 30.0,
        "easting": 450825.3274,
        "northing": 6511241.5039,
        "existing_z": 186.2399,
        "design_z": 186.1449,
        "delta_z": -0.095
      },
      {
        "ch": 40.0,
        "easting": 450834.9865,
        "northing": 6511238.9152,
        "existing_z": 185.7713,
        "design_z": 185.6622,
        "delta_z": -0.1092
      },
      {
        "ch": 42.4274,
        "easting": 450837.3312,
        "northing": 6511238.2868,
        "existing_z": 185.642,
        "design_z": 185.545,
        "delta_z": -0.097
      },
      {
        "ch": 50.0,
        "easting": 450844.6456,
        "northing": 6511236.3265,
        "existing_z": 185.2228,
        "design_z": 185.1882,
        "delta_z": -0.0346
      },
      {
        "ch": 60.0,
        "easting": 450854.3047,
        "northing": 6511233.7378,
        "existing_z": 184.5701,
        "design_z": 184.7438,
        "delta_z": 0.1737
      },
      {
        "ch": 62.4274,
        "easting": 450856.6494,
        "northing": 6511233.1094,
        "existing_z": 184.3866,
        "design_z": 184.6405,
        "delta_z": 0.2539
      },
      {
        "ch": 70.0,
        "easting": 450863.9639,
        "northing": 6511231.1491,
        "existing_z": 183.7996,
        "design_z": 184.3299,
        "delta_z": 0.5303
      },
      {
        "ch": 80.0,
        "easting": 450873.623,
        "northing": 6511228.5604,
        "existing_z": 183.059,
        "design_z": 183.9465,
        "delta_z": 0.8875
      },
      {
        "ch": 82.4274,
        "easting": 450875.9677,
        "northing": 6511227.932,
        "existing_z": 182.895,
        "design_z": 183.858,
        "delta_z": 0.963
      },
      {
        "ch": 90.0,
        "easting": 450883.2821,
        "northing": 6511225.9717,
        "existing_z": 182.423,
        "design_z": 183.5848,
        "delta_z": 1.1619
      },
      {
        "ch": 100.0,
        "easting": 450892.9412,
        "northing": 6511223.383,
        "existing_z": 181.9641,
        "design_z": 183.2241,
        "delta_z": 1.2599
      },
      {
        "ch": 110.0,
        "easting": 450902.6003,
        "northing": 6511220.7943,
        "existing_z": 181.8156,
        "design_z": 182.8633,
        "delta_z": 1.0477
      },
      {
        "ch": 120.0,
        "easting": 450912.2595,
        "northing": 6511218.2056,
        "existing_z": 181.9686,
        "design_z": 182.5026,
        "delta_z": 0.534
      },
      {
        "ch": 124.8549,
        "easting": 450916.9488,
        "northing": 6511216.9488,
        "existing_z": 182.3275,
        "design_z": 182.3275,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD298",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 104.897,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.42,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451830.0,
          6511290.0
        ],
        "end": [
          451830.0,
          6511220.933869201
        ],
        "chainage_start": 0,
        "length": 69.06613079924136
      },
      {
        "type": "ARC",
        "centre": [
          451803.6033046871,
          6511220.933869201
        ],
        "radius": 26.396695312954865,
        "start_angle_rad": 0.0,
        "sweep_rad": -0.7853981633990291,
        "start": [
          451830.0,
          6511220.933869201
        ],
        "end": [
          451822.26858694374,
          6511202.268586944
        ],
        "chainage_start": 69.06613079924136,
        "length": 20.73191601859851,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451822.26858694374,
          6511202.268586944
        ],
        "end": [
          451811.5918736755,
          6511191.591873676
        ],
        "chainage_start": 89.79804681783988,
        "length": 15.099152705518694
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 52.44859976167928,
        "pvi_z": 187.2671427586502,
        "bvc": 32.44859976167928,
        "evc": 72.44859976167928,
        "length": 40.0,
        "g1": -0.043909692634973914,
        "g2": -0.054174792828394075,
        "z_bvc": 188.14533661134968,
        "K_m_per_percent": 38.9669844875354
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451830.0,
        "northing": 6511290.0,
        "existing_z": 189.5701,
        "design_z": 189.5701,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451830.0,
        "northing": 6511280.0,
        "existing_z": 189.1467,
        "design_z": 189.131,
        "delta_z": -0.0157
      },
      {
        "ch": 20.0,
        "easting": 451830.0,
        "northing": 6511270.0,
        "existing_z": 188.7233,
        "design_z": 188.692,
        "delta_z": -0.0313
      },
      {
        "ch": 30.0,
        "easting": 451830.0,
        "northing": 6511260.0,
        "existing_z": 188.3881,
        "design_z": 188.2529,
        "delta_z": -0.1352
      },
      {
        "ch": 32.4486,
        "easting": 451830.0,
        "northing": 6511257.5514,
        "existing_z": 188.306,
        "design_z": 188.1453,
        "delta_z": -0.1607
      },
      {
        "ch": 40.0,
        "easting": 451830.0,
        "northing": 6511250.0,
        "existing_z": 188.0529,
        "design_z": 187.8064,
        "delta_z": -0.2465
      },
      {
        "ch": 50.0,
        "easting": 451830.0,
        "northing": 6511240.0,
        "existing_z": 187.5312,
        "design_z": 187.3351,
        "delta_z": -0.1961
      },
      {
        "ch": 52.4486,
        "easting": 451830.0,
        "northing": 6511237.5514,
        "existing_z": 187.4035,
        "design_z": 187.2158,
        "delta_z": -0.1877
      },
      {
        "ch": 60.0,
        "easting": 451830.0,
        "northing": 6511230.0,
        "existing_z": 187.0095,
        "design_z": 186.8382,
        "delta_z": -0.1713
      },
      {
        "ch": 70.0,
        "easting": 451829.9835,
        "northing": 6511220.0002,
        "existing_z": 186.5419,
        "design_z": 186.3155,
        "delta_z": -0.2264
      },
      {
        "ch": 72.4486,
        "easting": 451829.7836,
        "northing": 6511217.5606,
        "existing_z": 186.4267,
        "design_z": 186.1836,
        "delta_z": -0.243
      },
      {
        "ch": 80.0,
        "easting": 451827.7677,
        "northing": 6511210.31,
        "existing_z": 186.0517,
        "design_z": 185.7746,
        "delta_z": -0.2772
      },
      {
        "ch": 90.0,
        "easting": 451822.1258,
        "northing": 6511202.1258,
        "existing_z": 185.514,
        "design_z": 185.2328,
        "delta_z": -0.2812
      },
      {
        "ch": 100.0,
        "easting": 451815.0547,
        "northing": 6511195.0547,
        "existing_z": 184.8263,
        "design_z": 184.6911,
        "delta_z": -0.1352
      },
      {
        "ch": 104.8972,
        "easting": 451811.5919,
        "northing": 6511191.5919,
        "existing_z": 184.4258,
        "design_z": 184.4258,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD299",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 103.555,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 15.26,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449920.0,
          6511200.12
        ],
        "end": [
          449925.8,
          6511205.8504
        ],
        "chainage_start": 0,
        "length": 8.153372563375282
      },
      {
        "type": "ARC",
        "centre": [
          449915.86687885714,
          6511215.904166339
        ],
        "radius": 14.133121142859428,
        "start_angle_rad": -0.7914343073995324,
        "sweep_rad": 0.7914343073968203,
        "start": [
          449925.8,
          6511205.8504
        ],
        "end": [
          449930.0,
          6511215.904166339
        ],
        "chainage_start": 8.153372563375282,
        "length": 11.18543694305431,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449930.0,
          6511215.904166339
        ],
        "end": [
          449930.0,
          6511300.12
        ],
        "chainage_start": 19.33880950642959,
        "length": 84.21583366114646
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 51.77732158378802,
        "pvi_z": 207.69087553696244,
        "bvc": 28.477526871083413,
        "evc": 75.07711629649263,
        "length": 46.59958942540922,
        "g1": -0.040481139079583145,
        "g2": -0.152584649910347,
        "z_bvc": 208.63407776725316,
        "K_m_per_percent": 4.156835863575933
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449920.0,
        "northing": 6511200.12,
        "existing_z": 209.7869,
        "design_z": 209.7869,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449927.0252,
        "northing": 6511207.2303,
        "existing_z": 210.679,
        "design_z": 209.3821,
        "delta_z": -1.2969
      },
      {
        "ch": 20.0,
        "easting": 449930.0,
        "northing": 6511216.5654,
        "existing_z": 210.9169,
        "design_z": 208.9773,
        "delta_z": -1.9397
      },
      {
        "ch": 28.4775,
        "easting": 449930.0,
        "northing": 6511225.0429,
        "existing_z": 210.7712,
        "design_z": 208.6341,
        "delta_z": -2.1371
      },
      {
        "ch": 30.0,
        "easting": 449930.0,
        "northing": 6511226.5654,
        "existing_z": 210.7451,
        "design_z": 208.5697,
        "delta_z": -2.1754
      },
      {
        "ch": 40.0,
        "easting": 449930.0,
        "northing": 6511236.5654,
        "existing_z": 210.14,
        "design_z": 208.0079,
        "delta_z": -2.1321
      },
      {
        "ch": 50.0,
        "easting": 449930.0,
        "northing": 6511246.5654,
        "existing_z": 209.3085,
        "design_z": 207.2056,
        "delta_z": -2.1028
      },
      {
        "ch": 51.7773,
        "easting": 449930.0,
        "northing": 6511248.3427,
        "existing_z": 209.1607,
        "design_z": 207.0379,
        "delta_z": -2.1228
      },
      {
        "ch": 60.0,
        "easting": 449930.0,
        "northing": 6511256.5654,
        "existing_z": 208.0422,
        "design_z": 206.1628,
        "delta_z": -1.8794
      },
      {
        "ch": 70.0,
        "easting": 449930.0,
        "northing": 6511266.5654,
        "existing_z": 206.5485,
        "design_z": 204.8794,
        "delta_z": -1.6691
      },
      {
        "ch": 75.0771,
        "easting": 449930.0,
        "northing": 6511271.6425,
        "existing_z": 205.7012,
        "design_z": 204.1357,
        "delta_z": -1.5655
      },
      {
        "ch": 80.0,
        "easting": 449930.0,
        "northing": 6511276.5654,
        "existing_z": 204.6995,
        "design_z": 203.3845,
        "delta_z": -1.315
      },
      {
        "ch": 90.0,
        "easting": 449930.0,
        "northing": 6511286.5654,
        "existing_z": 202.6647,
        "design_z": 201.8587,
        "delta_z": -0.806
      },
      {
        "ch": 100.0,
        "easting": 449930.0,
        "northing": 6511296.5654,
        "existing_z": 200.5545,
        "design_z": 200.3328,
        "delta_z": -0.2217
      },
      {
        "ch": 103.5546,
        "easting": 449930.0,
        "northing": 6511300.12,
        "existing_z": 199.7905,
        "design_z": 199.7905,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD300",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 412.066,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 10.62,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449510.0,
          6511395.09
        ],
        "end": [
          449548.9122483077,
          6511356.177751693
        ],
        "chainage_start": 0,
        "length": 55.03022929863462
      },
      {
        "type": "ARC",
        "centre": [
          449517.09244315454,
          6511324.357946539
        ],
        "radius": 45.0,
        "start_angle_rad": 0.7853981634047654,
        "sweep_rad": -0.05955231797947731,
        "start": [
          449548.9122483077,
          6511356.177751693
        ],
        "end": [
          449550.7496641433,
          6511354.227520947
        ],
        "chainage_start": 55.03022929863462,
        "length": 2.6798543090764793,
        "target_radius": 45,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          449550.74966414325,
          6511354.227520947
        ],
        "end": [
          449584.4243461105,
          6511316.282681251
        ],
        "chainage_start": 57.710083607711105,
        "length": 50.732583860673735
      },
      {
        "type": "ARC",
        "centre": [
          449598.39999999997,
          6511328.685571968
        ],
        "radius": 18.685571967988533,
        "start_angle_rad": -2.415746808166884,
        "sweep_rad": 0.8449504813696228,
        "start": [
          449584.4243461105,
          6511316.282681251
        ],
        "end": [
          449598.4,
          6511310.0
        ],
        "chainage_start": 108.44266746838484,
        "length": 15.788383029018641,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449598.3999999999,
          6511310.0
        ],
        "end": [
          449605.5408637383,
          6511310.0
        ],
        "chainage_start": 124.23105049740349,
        "length": 7.140863738371991
      },
      {
        "type": "ARC",
        "centre": [
          449605.5408637383,
          6511308.454579364
        ],
        "radius": 1.545420635972042,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -2.474353777132615,
        "start": [
          449605.5408637383,
          6511310.0
        ],
        "end": [
          449606.4972,
          6511307.2406
        ],
        "chainage_start": 131.37191423577548,
        "length": 3.8239173878761097,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449606.4972,
          6511307.240599999
        ],
        "end": [
          449605.1628,
          6511306.1894
        ],
        "chainage_start": 135.1958316236516,
        "length": 1.6987185756382932
      },
      {
        "type": "ARC",
        "centre": [
          449607.613917691,
          6511303.077935534
        ],
        "radius": 3.9609580986273083,
        "start_angle_rad": 2.238035203268225,
        "sweep_rad": 1.6889893212214218,
        "start": [
          449605.1628,
          6511306.1894
        ],
        "end": [
          449604.8131917697,
          6511300.277020795
        ],
        "chainage_start": 136.89455019928988,
        "length": 6.69001593038703,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449604.8131917697,
          6511300.277020795
        ],
        "end": [
          449736.8187325697,
          6511168.2803788455
        ],
        "chainage_start": 143.58456612967692,
        "length": 186.6777337764427
      },
      {
        "type": "ARC",
        "centre": [
          449705.0,
          6511136.4595011445
        ],
        "radius": 45.00000000000001,
        "start_angle_rad": 0.7854318708846797,
        "sweep_rad": -0.7854318708837035,
        "start": [
          449736.8187325697,
          6511168.2803788455
        ],
        "end": [
          449750.0,
          6511136.4595011445
        ],
        "chainage_start": 330.2622999061196,
        "length": 35.34443418976666,
        "target_radius": 45,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          449750.0,
          6511136.4595011445
        ],
        "end": [
          449750.0,
          6511090.0
        ],
        "chainage_start": 365.6067340958863,
        "length": 46.459501144476235
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 68.67770587339375,
        "pvi_z": 157.6543340460404,
        "bvc": 48.67770587339375,
        "evc": 88.67770587339375,
        "length": 40.0,
        "g1": -0.04419388066549419,
        "g2": -0.010274982866299765,
        "z_bvc": 158.53821165935028,
        "K_m_per_percent": 11.792836028106432
      },
      {
        "pvi_ch": 137.3554117467875,
        "pvi_z": 156.9486717948945,
        "bvc": 117.3554117467875,
        "evc": 157.3554117467875,
        "length": 40.0,
        "g1": -0.010274982866299765,
        "g2": 0.03912942426578046,
        "z_bvc": 157.15417145222048,
        "K_m_per_percent": 8.096443682253282
      },
      {
        "pvi_ch": 206.03311762018126,
        "pvi_z": 159.635990885615,
        "bvc": 186.03311762018126,
        "evc": 226.03311762018126,
        "length": 40.0,
        "g1": 0.03912942426578046,
        "g2": 0.08249660996273044,
        "z_bvc": 158.8534024002994,
        "K_m_per_percent": 9.223563705406232
      },
      {
        "pvi_ch": 274.710823493575,
        "pvi_z": 165.30166880018749,
        "bvc": 254.710823493575,
        "evc": 294.710823493575,
        "length": 40.0,
        "g1": 0.08249660996273044,
        "g2": 0.10622416423005217,
        "z_bvc": 163.65173660093288,
        "K_m_per_percent": 16.858037515939493
      },
      {
        "pvi_ch": 343.3885293669687,
        "pvi_z": 172.59690070782608,
        "bvc": 323.3885293669687,
        "evc": 363.3885293669687,
        "length": 40.0,
        "g1": 0.10622416423005217,
        "g2": 0.06740209015669245,
        "z_bvc": 170.47241742322504,
        "K_m_per_percent": 10.303416536791524
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449510.0,
        "northing": 6511395.09,
        "existing_z": 160.6895,
        "design_z": 160.6895,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449517.0711,
        "northing": 6511388.0189,
        "existing_z": 160.1054,
        "design_z": 160.2475,
        "delta_z": 0.1422
      },
      {
        "ch": 20.0,
        "easting": 449524.1421,
        "northing": 6511380.9479,
        "existing_z": 159.672,
        "design_z": 159.8056,
        "delta_z": 0.1336
      },
      {
        "ch": 30.0,
        "easting": 449531.2132,
        "northing": 6511373.8768,
        "existing_z": 159.1833,
        "design_z": 159.3637,
        "delta_z": 0.1803
      },
      {
        "ch": 40.0,
        "easting": 449538.2843,
        "northing": 6511366.8057,
        "existing_z": 158.6124,
        "design_z": 158.9217,
        "delta_z": 0.3094
      },
      {
        "ch": 48.6777,
        "easting": 449544.4203,
        "northing": 6511360.6697,
        "existing_z": 158.1997,
        "design_z": 158.5382,
        "delta_z": 0.3385
      },
      {
        "ch": 50.0,
        "easting": 449545.3553,
        "northing": 6511359.7347,
        "existing_z": 158.1371,
        "design_z": 158.4805,
        "delta_z": 0.3434
      },
      {
        "ch": 60.0,
        "easting": 449552.2696,
        "northing": 6511352.5148,
        "existing_z": 157.6358,
        "design_z": 158.0922,
        "delta_z": 0.4564
      },
      {
        "ch": 68.6777,
        "easting": 449558.0296,
        "northing": 6511346.0244,
        "existing_z": 157.2202,
        "design_z": 157.8239,
        "delta_z": 0.6037
      },
      {
        "ch": 70.0,
        "easting": 449558.9073,
        "northing": 6511345.0354,
        "existing_z": 157.1638,
        "design_z": 157.7887,
        "delta_z": 0.6248
      },
      {
        "ch": 80.0,
        "easting": 449565.545,
        "northing": 6511337.556,
        "existing_z": 156.762,
        "design_z": 157.5699,
        "delta_z": 0.8079
      },
      {
        "ch": 88.6777,
        "easting": 449571.305,
        "northing": 6511331.0657,
        "existing_z": 156.454,
        "design_z": 157.4488,
        "delta_z": 0.9948
      },
      {
        "ch": 90.0,
        "easting": 449572.1827,
        "northing": 6511330.0767,
        "existing_z": 156.4132,
        "design_z": 157.4352,
        "delta_z": 1.0221
      },
      {
        "ch": 100.0,
        "easting": 449578.8204,
        "northing": 6511322.5973,
        "existing_z": 156.1903,
        "design_z": 157.3325,
        "delta_z": 1.1422
      },
      {
        "ch": 110.0,
        "easting": 449585.5054,
        "northing": 6511315.1623,
        "existing_z": 156.0094,
        "design_z": 157.2297,
        "delta_z": 1.2204
      },
      {
        "ch": 117.3554,
        "easting": 449591.6785,
        "northing": 6511311.2508,
        "existing_z": 156.0198,
        "design_z": 157.1542,
        "delta_z": 1.1344
      },
      {
        "ch": 120.0,
        "easting": 449594.205,
        "northing": 6511310.477,
        "existing_z": 156.0663,
        "design_z": 157.1313,
        "delta_z": 1.0651
      },
      {
        "ch": 130.0,
        "easting": 449604.1689,
        "northing": 6511310.0,
        "existing_z": 156.3797,
        "design_z": 157.123,
        "delta_z": 0.7433
      },
      {
        "ch": 137.3554,
        "easting": 449604.8182,
        "northing": 6511305.8838,
        "existing_z": 156.2903,
        "design_z": 157.1957,
        "delta_z": 0.9054
      },
      {
        "ch": 140.0,
        "easting": 449603.6812,
        "northing": 6511303.5503,
        "existing_z": 156.1862,
        "design_z": 157.2382,
        "delta_z": 1.0519
      },
      {
        "ch": 150.0,
        "easting": 449609.3497,
        "northing": 6511295.7408,
        "existing_z": 156.1908,
        "design_z": 157.4769,
        "delta_z": 1.2861
      },
      {
        "ch": 157.3554,
        "easting": 449614.551,
        "northing": 6511290.5399,
        "existing_z": 156.3253,
        "design_z": 157.7313,
        "delta_z": 1.406
      },
      {
        "ch": 160.0,
        "easting": 449616.421,
        "northing": 6511288.6699,
        "existing_z": 156.4211,
        "design_z": 157.8347,
        "delta_z": 1.4137
      },
      {
        "ch": 170.0,
        "easting": 449623.4924,
        "northing": 6511281.5991,
        "existing_z": 156.8601,
        "design_z": 158.226,
        "delta_z": 1.3659
      },
      {
        "ch": 180.0,
        "easting": 449630.5637,
        "northing": 6511274.5283,
        "existing_z": 157.3379,
        "design_z": 158.6173,
        "delta_z": 1.2794
      },
      {
        "ch": 186.0331,
        "easting": 449634.8299,
        "northing": 6511270.2624,
        "existing_z": 157.7002,
        "design_z": 158.8534,
        "delta_z": 1.1532
      },
      {
        "ch": 190.0,
        "easting": 449637.635,
        "northing": 6511267.4575,
        "existing_z": 157.9835,
        "design_z": 159.0172,
        "delta_z": 1.0336
      },
      {
        "ch": 200.0,
        "easting": 449644.7063,
        "northing": 6511260.3866,
        "existing_z": 158.7049,
        "design_z": 159.5057,
        "delta_z": 0.8007
      },
      {
        "ch": 206.0331,
        "easting": 449648.9725,
        "northing": 6511256.1207,
        "existing_z": 159.1379,
        "design_z": 159.8528,
        "delta_z": 0.7149
      },
      {
        "ch": 210.0,
        "easting": 449651.7776,
        "northing": 6511253.3158,
        "existing_z": 159.4463,
        "design_z": 160.1026,
        "delta_z": 0.6563
      },
      {
        "ch": 220.0,
        "easting": 449658.8489,
        "northing": 6511246.245,
        "existing_z": 160.2679,
        "design_z": 160.8079,
        "delta_z": 0.54
      },
      {
        "ch": 226.0331,
        "easting": 449663.1151,
        "northing": 6511241.9791,
        "existing_z": 160.757,
        "design_z": 161.2859,
        "delta_z": 0.5289
      },
      {
        "ch": 230.0,
        "easting": 449665.9202,
        "northing": 6511239.1741,
        "existing_z": 161.0719,
        "design_z": 161.6132,
        "delta_z": 0.5413
      },
      {
        "ch": 240.0,
        "easting": 449672.9915,
        "northing": 6511232.1033,
        "existing_z": 161.8735,
        "design_z": 162.4381,
        "delta_z": 0.5647
      },
      {
        "ch": 250.0,
        "easting": 449680.0628,
        "northing": 6511225.0325,
        "existing_z": 162.6926,
        "design_z": 163.2631,
        "delta_z": 0.5705
      },
      {
        "ch": 254.7108,
        "easting": 449683.394,
        "northing": 6511221.7015,
        "existing_z": 163.0703,
        "design_z": 163.6517,
        "delta_z": 0.5815
      },
      {
        "ch": 260.0,
        "easting": 449687.1341,
        "northing": 6511217.9617,
        "existing_z": 163.4883,
        "design_z": 164.0964,
        "delta_z": 0.6081
      },
      {
        "ch": 270.0,
        "easting": 449694.2054,
        "northing": 6511210.8908,
        "existing_z": 164.35,
        "design_z": 164.9824,
        "delta_z": 0.6324
      },
      {
        "ch": 274.7108,
        "easting": 449697.5366,
        "northing": 6511207.5599,
        "existing_z": 164.803,
        "design_z": 165.4203,
        "delta_z": 0.6173
      },
      {
        "ch": 280.0,
        "easting": 449701.2767,
        "northing": 6511203.82,
        "existing_z": 165.3256,
        "design_z": 165.9277,
        "delta_z": 0.6021
      },
      {
        "ch": 290.0,
        "easting": 449708.348,
        "northing": 6511196.7492,
        "existing_z": 166.3381,
        "design_z": 166.9323,
        "delta_z": 0.5942
      },
      {
        "ch": 294.7108,
        "easting": 449711.6792,
        "northing": 6511193.4182,
        "existing_z": 166.866,
        "design_z": 167.4262,
        "delta_z": 0.5601
      },
      {
        "ch": 300.0,
        "easting": 449715.4193,
        "northing": 6511189.6783,
        "existing_z": 167.5122,
        "design_z": 167.988,
        "delta_z": 0.4758
      },
      {
        "ch": 310.0,
        "easting": 449722.4906,
        "northing": 6511182.6075,
        "existing_z": 168.8223,
        "design_z": 169.0502,
        "delta_z": 0.228
      },
      {
        "ch": 320.0,
        "easting": 449729.5619,
        "northing": 6511175.5367,
        "existing_z": 170.1308,
        "design_z": 170.1125,
        "delta_z": -0.0184
      },
      {
        "ch": 323.3885,
        "easting": 449731.9581,
        "northing": 6511173.1407,
        "existing_z": 170.6141,
        "design_z": 170.4724,
        "delta_z": -0.1417
      },
      {
        "ch": 330.0,
        "easting": 449736.6333,
        "northing": 6511168.4658,
        "existing_z": 171.5871,
        "design_z": 171.1535,
        "delta_z": -0.4336
      },
      {
        "ch": 340.0,
        "easting": 449742.9089,
        "northing": 6511160.7065,
        "existing_z": 172.9956,
        "design_z": 172.103,
        "delta_z": -0.8925
      },
      {
        "ch": 343.3885,
        "easting": 449744.6255,
        "northing": 6511157.7859,
        "existing_z": 173.4202,
        "design_z": 172.4028,
        "delta_z": -1.0174
      },
      {
        "ch": 350.0,
        "easting": 449747.3207,
        "northing": 6511151.7552,
        "existing_z": 174.1594,
        "design_z": 172.9555,
        "delta_z": -1.2038
      },
      {
        "ch": 360.0,
        "easting": 449749.6512,
        "northing": 6511142.0517,
        "existing_z": 174.9868,
        "design_z": 173.711,
        "delta_z": -1.2759
      },
      {
        "ch": 363.3885,
        "easting": 449749.9453,
        "northing": 6511138.6768,
        "existing_z": 175.1895,
        "design_z": 173.9449,
        "delta_z": -1.2446
      },
      {
        "ch": 370.0,
        "easting": 449750.0,
        "northing": 6511132.0662,
        "existing_z": 175.5076,
        "design_z": 174.3906,
        "delta_z": -1.1171
      },
      {
        "ch": 380.0,
        "easting": 449750.0,
        "northing": 6511122.0662,
        "existing_z": 175.9253,
        "design_z": 175.0646,
        "delta_z": -0.8607
      },
      {
        "ch": 390.0,
        "easting": 449750.0,
        "northing": 6511112.0662,
        "existing_z": 176.3297,
        "design_z": 175.7386,
        "delta_z": -0.5911
      },
      {
        "ch": 400.0,
        "easting": 449750.0,
        "northing": 6511102.0662,
        "existing_z": 176.7356,
        "design_z": 176.4126,
        "delta_z": -0.323
      },
      {
        "ch": 410.0,
        "easting": 449750.0,
        "northing": 6511092.0662,
        "existing_z": 177.142,
        "design_z": 177.0867,
        "delta_z": -0.0553
      },
      {
        "ch": 412.0662,
        "easting": 449750.0,
        "northing": 6511090.0,
        "existing_z": 177.2259,
        "design_z": 177.2259,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD301",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 133.038,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.95,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451832.73542150966,
          6511289.452915698
        ],
        "end": [
          451961.24,
          6511255.02
        ],
        "chainage_start": 0,
        "length": 133.03778552161322
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 66.51889276080661,
        "pvi_z": 195.73074974729644,
        "bvc": 46.51889276080661,
        "evc": 86.51889276080661,
        "length": 40.0,
        "g1": 0.09193491212734446,
        "g2": 0.11954712065039272,
        "z_bvc": 193.89205150474956,
        "K_m_per_percent": 14.486345764994313
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451832.7354,
        "northing": 6511289.4529,
        "existing_z": 189.6153,
        "design_z": 189.6153,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451842.3947,
        "northing": 6511286.8647,
        "existing_z": 189.7707,
        "design_z": 190.5347,
        "delta_z": 0.764
      },
      {
        "ch": 20.0,
        "easting": 451852.0539,
        "northing": 6511284.2765,
        "existing_z": 190.092,
        "design_z": 191.454,
        "delta_z": 1.3621
      },
      {
        "ch": 30.0,
        "easting": 451861.7132,
        "northing": 6511281.6883,
        "existing_z": 190.9525,
        "design_z": 192.3734,
        "delta_z": 1.4209
      },
      {
        "ch": 40.0,
        "easting": 451871.3724,
        "northing": 6511279.1001,
        "existing_z": 191.9278,
        "design_z": 193.2927,
        "delta_z": 1.3649
      },
      {
        "ch": 46.5189,
        "easting": 451877.6692,
        "northing": 6511277.4129,
        "existing_z": 192.7434,
        "design_z": 193.8921,
        "delta_z": 1.1487
      },
      {
        "ch": 50.0,
        "easting": 451881.0317,
        "northing": 6511276.5119,
        "existing_z": 193.1852,
        "design_z": 194.2163,
        "delta_z": 1.031
      },
      {
        "ch": 60.0,
        "easting": 451890.6909,
        "northing": 6511273.9237,
        "existing_z": 194.4716,
        "design_z": 195.1942,
        "delta_z": 0.7225
      },
      {
        "ch": 66.5189,
        "easting": 451896.9877,
        "northing": 6511272.2365,
        "existing_z": 195.2657,
        "design_z": 195.8688,
        "delta_z": 0.6032
      },
      {
        "ch": 70.0,
        "easting": 451900.3502,
        "northing": 6511271.3355,
        "existing_z": 195.6949,
        "design_z": 196.2411,
        "delta_z": 0.5462
      },
      {
        "ch": 80.0,
        "easting": 451910.0095,
        "northing": 6511268.7473,
        "existing_z": 196.9335,
        "design_z": 197.357,
        "delta_z": 0.4236
      },
      {
        "ch": 86.5189,
        "easting": 451916.3062,
        "northing": 6511267.06,
        "existing_z": 197.7171,
        "design_z": 198.1217,
        "delta_z": 0.4046
      },
      {
        "ch": 90.0,
        "easting": 451919.6687,
        "northing": 6511266.1591,
        "existing_z": 198.1433,
        "design_z": 198.5378,
        "delta_z": 0.3946
      },
      {
        "ch": 100.0,
        "easting": 451929.328,
        "northing": 6511263.5709,
        "existing_z": 199.3976,
        "design_z": 199.7333,
        "delta_z": 0.3358
      },
      {
        "ch": 110.0,
        "easting": 451938.9872,
        "northing": 6511260.9827,
        "existing_z": 200.6843,
        "design_z": 200.9288,
        "delta_z": 0.2445
      },
      {
        "ch": 120.0,
        "easting": 451948.6465,
        "northing": 6511258.3944,
        "existing_z": 202.0039,
        "design_z": 202.1243,
        "delta_z": 0.1204
      },
      {
        "ch": 130.0,
        "easting": 451958.3057,
        "northing": 6511255.8062,
        "existing_z": 203.2916,
        "design_z": 203.3197,
        "delta_z": 0.0281
      },
      {
        "ch": 133.0378,
        "easting": 451961.24,
        "northing": 6511255.02,
        "existing_z": 203.6829,
        "design_z": 203.6829,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD302",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 2.79,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 1.62,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451830.0,
          6511290.0
        ],
        "end": [
          451832.73542150966,
          6511289.452915698
        ],
        "chainage_start": 0,
        "length": 2.789593531084698
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451830.0,
        "northing": 6511290.0,
        "existing_z": 189.5701,
        "design_z": 189.5701,
        "delta_z": 0.0
      },
      {
        "ch": 2.7896,
        "easting": 451832.7354,
        "northing": 6511289.4529,
        "existing_z": 189.6153,
        "design_z": 189.6153,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD303",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 2.832,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 1.41,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451830.0,
          6511290.185874316
        ],
        "end": [
          451832.73542150966,
          6511289.452915698
        ],
        "chainage_start": 0,
        "length": 2.831917931479584
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451830.0,
        "northing": 6511290.1859,
        "existing_z": 189.5753,
        "design_z": 189.5753,
        "delta_z": 0.0
      },
      {
        "ch": 2.8319,
        "easting": 451832.7354,
        "northing": 6511289.4529,
        "existing_z": 189.6153,
        "design_z": 189.6153,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD304",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 190.01,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 16.08,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449930.0,
          6511300.12
        ],
        "end": [
          450120.01,
          6511300.12
        ],
        "chainage_start": 0,
        "length": 190.0100000000093
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 63.33666666666977,
        "pvi_z": 209.97515890632312,
        "bvc": 43.33666666666977,
        "evc": 83.33666666666977,
        "length": 40.0,
        "g1": 0.16080271338115779,
        "g2": 0.1441819353665921,
        "z_bvc": 206.75910463869997,
        "K_m_per_percent": 24.06626209973194
      },
      {
        "pvi_ch": 126.67333333333954,
        "pvi_z": 219.1071620859923,
        "bvc": 106.67333333333954,
        "evc": 146.67333333333954,
        "length": 40.0,
        "g1": 0.1441819353665921,
        "g2": 0.11981141397487383,
        "z_bvc": 216.22352337866045,
        "K_m_per_percent": 16.413272148372265
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449930.0,
        "northing": 6511300.12,
        "existing_z": 199.7905,
        "design_z": 199.7905,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449940.0,
        "northing": 6511300.12,
        "existing_z": 201.174,
        "design_z": 201.3985,
        "delta_z": 0.2245
      },
      {
        "ch": 20.0,
        "easting": 449950.0,
        "northing": 6511300.12,
        "existing_z": 202.5575,
        "design_z": 203.0065,
        "delta_z": 0.449
      },
      {
        "ch": 30.0,
        "easting": 449960.0,
        "northing": 6511300.12,
        "existing_z": 204.1709,
        "design_z": 204.6145,
        "delta_z": 0.4436
      },
      {
        "ch": 40.0,
        "easting": 449970.0,
        "northing": 6511300.12,
        "existing_z": 205.7843,
        "design_z": 206.2226,
        "delta_z": 0.4383
      },
      {
        "ch": 43.3367,
        "easting": 449973.3367,
        "northing": 6511300.12,
        "existing_z": 206.4027,
        "design_z": 206.7591,
        "delta_z": 0.3564
      },
      {
        "ch": 50.0,
        "easting": 449980.0,
        "northing": 6511300.12,
        "existing_z": 207.6377,
        "design_z": 207.8214,
        "delta_z": 0.1837
      },
      {
        "ch": 60.0,
        "easting": 449990.0,
        "northing": 6511300.12,
        "existing_z": 209.4911,
        "design_z": 209.3809,
        "delta_z": -0.1102
      },
      {
        "ch": 63.3367,
        "easting": 449993.3367,
        "northing": 6511300.12,
        "existing_z": 210.1137,
        "design_z": 209.8921,
        "delta_z": -0.2217
      },
      {
        "ch": 70.0,
        "easting": 450000.0,
        "northing": 6511300.12,
        "existing_z": 211.3571,
        "design_z": 210.8989,
        "delta_z": -0.4582
      },
      {
        "ch": 80.0,
        "easting": 450010.0,
        "northing": 6511300.12,
        "existing_z": 213.2231,
        "design_z": 212.3754,
        "delta_z": -0.8477
      },
      {
        "ch": 83.3367,
        "easting": 450013.3367,
        "northing": 6511300.12,
        "existing_z": 213.7459,
        "design_z": 212.8588,
        "delta_z": -0.8871
      },
      {
        "ch": 90.0,
        "easting": 450020.0,
        "northing": 6511300.12,
        "existing_z": 214.7898,
        "design_z": 213.8195,
        "delta_z": -0.9703
      },
      {
        "ch": 100.0,
        "easting": 450030.0,
        "northing": 6511300.12,
        "existing_z": 216.3565,
        "design_z": 215.2613,
        "delta_z": -1.0951
      },
      {
        "ch": 106.6733,
        "easting": 450036.6733,
        "northing": 6511300.12,
        "existing_z": 217.1689,
        "design_z": 216.2235,
        "delta_z": -0.9453
      },
      {
        "ch": 110.0,
        "easting": 450040.0,
        "northing": 6511300.12,
        "existing_z": 217.5738,
        "design_z": 216.6998,
        "delta_z": -0.874
      },
      {
        "ch": 120.0,
        "easting": 450050.0,
        "northing": 6511300.12,
        "existing_z": 218.7911,
        "design_z": 218.0909,
        "delta_z": -0.7003
      },
      {
        "ch": 126.6733,
        "easting": 450056.6733,
        "northing": 6511300.12,
        "existing_z": 219.5028,
        "design_z": 218.9853,
        "delta_z": -0.5175
      },
      {
        "ch": 130.0,
        "easting": 450060.0,
        "northing": 6511300.12,
        "existing_z": 219.8576,
        "design_z": 219.421,
        "delta_z": -0.4366
      },
      {
        "ch": 140.0,
        "easting": 450070.0,
        "northing": 6511300.12,
        "existing_z": 220.9241,
        "design_z": 220.6903,
        "delta_z": -0.2339
      },
      {
        "ch": 146.6733,
        "easting": 450076.6733,
        "northing": 6511300.12,
        "existing_z": 221.6542,
        "design_z": 221.5034,
        "delta_z": -0.1508
      },
      {
        "ch": 150.0,
        "easting": 450080.0,
        "northing": 6511300.12,
        "existing_z": 222.0181,
        "design_z": 221.902,
        "delta_z": -0.1162
      },
      {
        "ch": 160.0,
        "easting": 450090.0,
        "northing": 6511300.12,
        "existing_z": 223.1121,
        "design_z": 223.1001,
        "delta_z": -0.012
      },
      {
        "ch": 170.0,
        "easting": 450100.0,
        "northing": 6511300.12,
        "existing_z": 224.3219,
        "design_z": 224.2982,
        "delta_z": -0.0237
      },
      {
        "ch": 180.0,
        "easting": 450110.0,
        "northing": 6511300.12,
        "existing_z": 225.5316,
        "design_z": 225.4963,
        "delta_z": -0.0353
      },
      {
        "ch": 190.0,
        "easting": 450120.0,
        "northing": 6511300.12,
        "existing_z": 226.6945,
        "design_z": 226.6944,
        "delta_z": -0.0
      },
      {
        "ch": 190.01,
        "easting": 450120.01,
        "northing": 6511300.12,
        "existing_z": 226.6956,
        "design_z": 226.6956,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD305",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 316.34,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.18,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450120.01,
          6511300.12
        ],
        "end": [
          450436.35,
          6511300.12
        ],
        "chainage_start": 0,
        "length": 316.3399999999674
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 79.08499999999185,
        "pvi_z": 229.71736913320754,
        "bvc": 59.08499999999185,
        "evc": 99.08499999999185,
        "length": 40.0,
        "g1": 0.03820890759849026,
        "g2": 0.008086039174340061,
        "z_bvc": 228.95319098123773,
        "K_m_per_percent": 13.278947886626586
      },
      {
        "pvi_ch": 158.1699999999837,
        "pvi_z": 230.35685354131016,
        "bvc": 138.1699999999837,
        "evc": 178.1699999999837,
        "length": 40.0,
        "g1": 0.008086039174340061,
        "g2": 0.048625841325885696,
        "z_bvc": 230.19513275782336,
        "K_m_per_percent": 9.86684637741256
      },
      {
        "pvi_ch": 237.25499999997555,
        "pvi_z": 234.20242820256743,
        "bvc": 217.25499999997555,
        "evc": 257.25499999997555,
        "length": 40.0,
        "g1": 0.048625841325885696,
        "g2": 0.07180277834187934,
        "z_bvc": 233.22991137604973,
        "K_m_per_percent": 17.258535919736637
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450120.01,
        "northing": 6511300.12,
        "existing_z": 226.6956,
        "design_z": 226.6956,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450130.01,
        "northing": 6511300.12,
        "existing_z": 227.8581,
        "design_z": 227.0777,
        "delta_z": -0.7804
      },
      {
        "ch": 20.0,
        "easting": 450140.01,
        "northing": 6511300.12,
        "existing_z": 228.6785,
        "design_z": 227.4598,
        "delta_z": -1.2187
      },
      {
        "ch": 30.0,
        "easting": 450150.01,
        "northing": 6511300.12,
        "existing_z": 229.4984,
        "design_z": 227.8419,
        "delta_z": -1.6566
      },
      {
        "ch": 40.0,
        "easting": 450160.01,
        "northing": 6511300.12,
        "existing_z": 229.9392,
        "design_z": 228.224,
        "delta_z": -1.7153
      },
      {
        "ch": 50.0,
        "easting": 450170.01,
        "northing": 6511300.12,
        "existing_z": 230.3797,
        "design_z": 228.6061,
        "delta_z": -1.7737
      },
      {
        "ch": 59.085,
        "easting": 450179.095,
        "northing": 6511300.12,
        "existing_z": 230.5008,
        "design_z": 228.9532,
        "delta_z": -1.5476
      },
      {
        "ch": 60.0,
        "easting": 450180.01,
        "northing": 6511300.12,
        "existing_z": 230.513,
        "design_z": 228.9878,
        "delta_z": -1.5252
      },
      {
        "ch": 70.0,
        "easting": 450190.01,
        "northing": 6511300.12,
        "existing_z": 230.6461,
        "design_z": 229.3254,
        "delta_z": -1.3207
      },
      {
        "ch": 79.085,
        "easting": 450199.095,
        "northing": 6511300.12,
        "existing_z": 230.5495,
        "design_z": 229.5668,
        "delta_z": -0.9828
      },
      {
        "ch": 80.0,
        "easting": 450200.01,
        "northing": 6511300.12,
        "existing_z": 230.5398,
        "design_z": 229.5876,
        "delta_z": -0.9522
      },
      {
        "ch": 90.0,
        "easting": 450210.01,
        "northing": 6511300.12,
        "existing_z": 230.4333,
        "design_z": 229.7746,
        "delta_z": -0.6588
      },
      {
        "ch": 99.085,
        "easting": 450219.095,
        "northing": 6511300.12,
        "existing_z": 230.1759,
        "design_z": 229.8791,
        "delta_z": -0.2968
      },
      {
        "ch": 100.0,
        "easting": 450220.01,
        "northing": 6511300.12,
        "existing_z": 230.1499,
        "design_z": 229.8865,
        "delta_z": -0.2635
      },
      {
        "ch": 110.0,
        "easting": 450230.01,
        "northing": 6511300.12,
        "existing_z": 229.8665,
        "design_z": 229.9673,
        "delta_z": 0.1008
      },
      {
        "ch": 120.0,
        "easting": 450240.01,
        "northing": 6511300.12,
        "existing_z": 229.5839,
        "design_z": 230.0482,
        "delta_z": 0.4643
      },
      {
        "ch": 130.0,
        "easting": 450250.01,
        "northing": 6511300.12,
        "existing_z": 229.3014,
        "design_z": 230.1291,
        "delta_z": 0.8276
      },
      {
        "ch": 138.17,
        "easting": 450258.18,
        "northing": 6511300.12,
        "existing_z": 229.2645,
        "design_z": 230.1951,
        "delta_z": 0.9307
      },
      {
        "ch": 140.0,
        "easting": 450260.01,
        "northing": 6511300.12,
        "existing_z": 229.2562,
        "design_z": 230.2116,
        "delta_z": 0.9554
      },
      {
        "ch": 150.0,
        "easting": 450270.01,
        "northing": 6511300.12,
        "existing_z": 229.2112,
        "design_z": 230.3617,
        "delta_z": 1.1505
      },
      {
        "ch": 158.17,
        "easting": 450278.18,
        "northing": 6511300.12,
        "existing_z": 229.3826,
        "design_z": 230.5596,
        "delta_z": 1.177
      },
      {
        "ch": 160.0,
        "easting": 450280.01,
        "northing": 6511300.12,
        "existing_z": 229.421,
        "design_z": 230.6131,
        "delta_z": 1.1922
      },
      {
        "ch": 170.0,
        "easting": 450290.01,
        "northing": 6511300.12,
        "existing_z": 229.631,
        "design_z": 230.9659,
        "delta_z": 1.3349
      },
      {
        "ch": 178.17,
        "easting": 450298.18,
        "northing": 6511300.12,
        "existing_z": 230.0,
        "design_z": 231.3294,
        "delta_z": 1.3293
      },
      {
        "ch": 180.0,
        "easting": 450300.01,
        "northing": 6511300.12,
        "existing_z": 230.0827,
        "design_z": 231.4184,
        "delta_z": 1.3356
      },
      {
        "ch": 190.0,
        "easting": 450310.01,
        "northing": 6511300.12,
        "existing_z": 230.5347,
        "design_z": 231.9046,
        "delta_z": 1.37
      },
      {
        "ch": 200.0,
        "easting": 450320.01,
        "northing": 6511300.12,
        "existing_z": 231.2012,
        "design_z": 232.3909,
        "delta_z": 1.1897
      },
      {
        "ch": 210.0,
        "easting": 450330.01,
        "northing": 6511300.12,
        "existing_z": 231.8678,
        "design_z": 232.8771,
        "delta_z": 1.0093
      },
      {
        "ch": 217.255,
        "easting": 450337.265,
        "northing": 6511300.12,
        "existing_z": 232.42,
        "design_z": 233.2299,
        "delta_z": 0.8099
      },
      {
        "ch": 220.0,
        "easting": 450340.01,
        "northing": 6511300.12,
        "existing_z": 232.629,
        "design_z": 233.3656,
        "delta_z": 0.7366
      },
      {
        "ch": 230.0,
        "easting": 450350.01,
        "northing": 6511300.12,
        "existing_z": 233.3902,
        "design_z": 233.8967,
        "delta_z": 0.5065
      },
      {
        "ch": 237.255,
        "easting": 450357.265,
        "northing": 6511300.12,
        "existing_z": 233.9805,
        "design_z": 234.3183,
        "delta_z": 0.3378
      },
      {
        "ch": 240.0,
        "easting": 450360.01,
        "northing": 6511300.12,
        "existing_z": 234.2038,
        "design_z": 234.4858,
        "delta_z": 0.282
      },
      {
        "ch": 250.0,
        "easting": 450370.01,
        "northing": 6511300.12,
        "existing_z": 235.0175,
        "design_z": 235.1328,
        "delta_z": 0.1153
      },
      {
        "ch": 257.255,
        "easting": 450377.265,
        "northing": 6511300.12,
        "existing_z": 235.656,
        "design_z": 235.6385,
        "delta_z": -0.0175
      },
      {
        "ch": 260.0,
        "easting": 450380.01,
        "northing": 6511300.12,
        "existing_z": 235.8976,
        "design_z": 235.8356,
        "delta_z": -0.062
      },
      {
        "ch": 270.0,
        "easting": 450390.01,
        "northing": 6511300.12,
        "existing_z": 236.7776,
        "design_z": 236.5536,
        "delta_z": -0.224
      },
      {
        "ch": 280.0,
        "easting": 450400.01,
        "northing": 6511300.12,
        "existing_z": 237.6512,
        "design_z": 237.2716,
        "delta_z": -0.3796
      },
      {
        "ch": 290.0,
        "easting": 450410.01,
        "northing": 6511300.12,
        "existing_z": 238.5246,
        "design_z": 237.9897,
        "delta_z": -0.5349
      },
      {
        "ch": 300.0,
        "easting": 450420.01,
        "northing": 6511300.12,
        "existing_z": 239.14,
        "design_z": 238.7077,
        "delta_z": -0.4323
      },
      {
        "ch": 310.0,
        "easting": 450430.01,
        "northing": 6511300.12,
        "existing_z": 239.755,
        "design_z": 239.4257,
        "delta_z": -0.3293
      },
      {
        "ch": 316.34,
        "easting": 450436.35,
        "northing": 6511300.12,
        "existing_z": 239.881,
        "design_z": 239.881,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD306",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 465.86,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 9.05,
    "radius_review_count": 7,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451832.73542150966,
          6511289.452915698
        ],
        "end": [
          451918.3512958793,
          6511272.329740824
        ],
        "chainage_start": 0,
        "length": 87.31140281684559
      },
      {
        "type": "ARC",
        "centre": [
          451922.70445642876,
          6511294.095543571
        ],
        "radius": 22.196850587290793,
        "start_angle_rad": -1.768191886651463,
        "sweep_rad": 0.9827937232495157,
        "start": [
          451918.3512958793,
          6511272.329740824
        ],
        "end": [
          451938.4,
          6511278.4
        ],
        "chainage_start": 87.31140281684559,
        "length": 21.814925433096718,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451938.39999999997,
          6511278.399999999
        ],
        "end": [
          451944.06030303804,
          6511284.060303038
        ],
        "chainage_start": 109.1263282499423,
        "length": 8.00487732392264
      },
      {
        "type": "ARC",
        "centre": [
          451958.4,
          6511269.720606076
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 2.3561944901781375,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451944.06030303804,
          6511284.060303038
        ],
        "end": [
          451958.4,
          6511290.0
        ],
        "chainage_start": 117.13120557386495,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451958.4000000003,
          6511289.999999999
        ],
        "end": [
          451961.6,
          6511290.0
        ],
        "chainage_start": 133.05860431653608,
        "length": 3.1999999996623956
      },
      {
        "type": "ARC",
        "centre": [
          451961.6,
          6511310.2793939235
        ],
        "radius": 20.279393923934,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          451961.6,
          6511290.0
        ],
        "end": [
          451975.93969696196,
          6511295.939696962
        ],
        "chainage_start": 136.25860431619847,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451975.93969696196,
          6511295.939696961
        ],
        "end": [
          452006.2412121521,
          6511326.241212152
        ],
        "chainage_start": 152.1860030588696,
        "length": 42.852813742877665
      },
      {
        "type": "ARC",
        "centre": [
          452063.6,
          6511268.882424304
        ],
        "radius": 81.117575695736,
        "start_angle_rad": 2.356194490193867,
        "sweep_rad": -0.7853981633974484,
        "start": [
          452006.2412121521,
          6511326.241212152
        ],
        "end": [
          452063.6,
          6511350.0
        ],
        "chainage_start": 195.03881680174726,
        "length": 63.70959497068455,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452063.59999999986,
          6511350.0
        ],
        "end": [
          452076.4,
          6511350.0
        ],
        "chainage_start": 258.74841177243184,
        "length": 12.800000000162981
      },
      {
        "type": "ARC",
        "centre": [
          452076.4,
          6511268.882424304
        ],
        "radius": 81.117575695736,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -0.7853981633974484,
        "start": [
          452076.4,
          6511350.0
        ],
        "end": [
          452133.7587878479,
          6511326.241212152
        ],
        "chainage_start": 271.5484117725948,
        "length": 63.70959497068455,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452133.7587878479,
          6511326.241212152
        ],
        "end": [
          452152.1809091141,
          6511307.819090886
        ],
        "chainage_start": 335.25800674327934,
        "length": 26.052813742127793
      },
      {
        "type": "ARC",
        "centre": [
          452109.1618182282,
          6511264.8
        ],
        "radius": 60.838181771801985,
        "start_angle_rad": 0.7853981634015075,
        "sweep_rad": -0.7853981633974484,
        "start": [
          452152.1809091141,
          6511307.819090886
        ],
        "end": [
          452170.0,
          6511264.8
        ],
        "chainage_start": 361.31082048540713,
        "length": 47.782196228013404,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452170.0,
          6511264.8
        ],
        "end": [
          452170.0,
          6511239.643158001
        ],
        "chainage_start": 409.0930167134205,
        "length": 25.156841998919845
      },
      {
        "type": "ARC",
        "centre": [
          452193.3972652031,
          6511239.643158001
        ],
        "radius": 23.397265203097255,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.781871057791851,
        "start": [
          452170.0,
          6511239.643158001
        ],
        "end": [
          452176.7946496254,
          6511223.157249625
        ],
        "chainage_start": 434.24985871234037,
        "length": 18.293644493782118,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452176.79464962543,
          6511223.157249626
        ],
        "end": [
          452186.1777372033,
          6511213.707737203
        ],
        "chainage_start": 452.54350320612247,
        "length": 13.316742001214445
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 77.64337420122281,
        "pvi_z": 196.64011435814604,
        "bvc": 57.64337420122281,
        "evc": 97.64337420122281,
        "length": 40.0,
        "g1": 0.09047485691975458,
        "g2": 0.08669495390002206,
        "z_bvc": 194.83061721975093,
        "K_m_per_percent": 105.82282082684365
      },
      {
        "pvi_ch": 155.28674840244562,
        "pvi_z": 203.3714031051632,
        "bvc": 135.28674840244562,
        "evc": 175.28674840244562,
        "length": 40.0,
        "g1": 0.08669495390002206,
        "g2": 0.07758785913802702,
        "z_bvc": 201.63750402716278,
        "K_m_per_percent": 43.92180058005391
      },
      {
        "pvi_ch": 232.93012260366845,
        "pvi_z": 209.3955862856888,
        "bvc": 212.93012260366845,
        "evc": 252.93012260366845,
        "length": 40.0,
        "g1": 0.07758785913802702,
        "g2": 0.07176828119271962,
        "z_bvc": 207.84382910292825,
        "K_m_per_percent": 68.7335067524165
      },
      {
        "pvi_ch": 310.57349680489125,
        "pvi_z": 214.96791779811372,
        "bvc": 290.57349680489125,
        "evc": 330.57349680489125,
        "length": 40.0,
        "g1": 0.07176828119271962,
        "g2": 0.0643371502961506,
        "z_bvc": 213.53255217425934,
        "K_m_per_percent": 53.82760787926389
      },
      {
        "pvi_ch": 388.21687100611405,
        "pvi_z": 219.96327123359805,
        "bvc": 368.21687100611405,
        "evc": 408.21687100611405,
        "length": 40.0,
        "g1": 0.0643371502961506,
        "g2": 0.05833915301694358,
        "z_bvc": 218.67652822767505,
        "K_m_per_percent": 66.68892654997723
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451832.7354,
        "northing": 6511289.4529,
        "existing_z": 189.6153,
        "design_z": 189.6153,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451842.5412,
        "northing": 6511287.4918,
        "existing_z": 189.7954,
        "design_z": 190.5201,
        "delta_z": 0.7247
      },
      {
        "ch": 20.0,
        "easting": 451852.347,
        "northing": 6511285.5306,
        "existing_z": 190.149,
        "design_z": 191.4248,
        "delta_z": 1.2759
      },
      {
        "ch": 30.0,
        "easting": 451862.1528,
        "northing": 6511283.5694,
        "existing_z": 191.0113,
        "design_z": 192.3296,
        "delta_z": 1.3183
      },
      {
        "ch": 40.0,
        "easting": 451871.9586,
        "northing": 6511281.6083,
        "existing_z": 191.9908,
        "design_z": 193.2343,
        "delta_z": 1.2436
      },
      {
        "ch": 50.0,
        "easting": 451881.7645,
        "northing": 6511279.6471,
        "existing_z": 193.243,
        "design_z": 194.1391,
        "delta_z": 0.8961
      },
      {
        "ch": 57.6434,
        "easting": 451889.2594,
        "northing": 6511278.1481,
        "existing_z": 194.2189,
        "design_z": 194.8306,
        "delta_z": 0.6117
      },
      {
        "ch": 60.0,
        "easting": 451891.5703,
        "northing": 6511277.6859,
        "existing_z": 194.5071,
        "design_z": 195.0436,
        "delta_z": 0.5365
      },
      {
        "ch": 70.0,
        "easting": 451901.3761,
        "northing": 6511275.7248,
        "existing_z": 195.7122,
        "design_z": 195.9414,
        "delta_z": 0.2292
      },
      {
        "ch": 77.6434,
        "easting": 451908.871,
        "northing": 6511274.2258,
        "existing_z": 196.6487,
        "design_z": 196.6212,
        "delta_z": -0.0275
      },
      {
        "ch": 80.0,
        "easting": 451911.1819,
        "northing": 6511273.7636,
        "existing_z": 196.9337,
        "design_z": 196.8297,
        "delta_z": -0.104
      },
      {
        "ch": 90.0,
        "easting": 451921.0131,
        "northing": 6511271.9632,
        "existing_z": 198.1274,
        "design_z": 197.7086,
        "delta_z": -0.4188
      },
      {
        "ch": 97.6434,
        "easting": 451928.5839,
        "northing": 6511272.6915,
        "existing_z": 198.9754,
        "design_z": 198.374,
        "delta_z": -0.6014
      },
      {
        "ch": 100.0,
        "easting": 451930.8189,
        "northing": 6511273.4351,
        "existing_z": 199.2038,
        "design_z": 198.5783,
        "delta_z": -0.6254
      },
      {
        "ch": 110.0,
        "easting": 451939.0178,
        "northing": 6511279.0178,
        "existing_z": 199.9115,
        "design_z": 199.4453,
        "delta_z": -0.4663
      },
      {
        "ch": 120.0,
        "easting": 451946.2253,
        "northing": 6511285.9388,
        "existing_z": 200.4124,
        "design_z": 200.3122,
        "delta_z": -0.1002
      },
      {
        "ch": 130.0,
        "easting": 451955.353,
        "northing": 6511289.7698,
        "existing_z": 201.2608,
        "design_z": 201.1792,
        "delta_z": -0.0816
      },
      {
        "ch": 135.2867,
        "easting": 451960.6281,
        "northing": 6511290.0,
        "existing_z": 201.851,
        "design_z": 201.6375,
        "delta_z": -0.2135
      },
      {
        "ch": 140.0,
        "easting": 451965.3202,
        "northing": 6511290.3442,
        "existing_z": 202.3727,
        "design_z": 202.0436,
        "delta_z": -0.3291
      },
      {
        "ch": 150.0,
        "easting": 451974.3137,
        "northing": 6511294.4802,
        "existing_z": 203.2365,
        "design_z": 202.8884,
        "delta_z": -0.3481
      },
      {
        "ch": 155.2867,
        "easting": 451978.1323,
        "northing": 6511298.1323,
        "existing_z": 203.5408,
        "design_z": 203.3259,
        "delta_z": -0.215
      },
      {
        "ch": 160.0,
        "easting": 451981.465,
        "northing": 6511301.465,
        "existing_z": 203.8108,
        "design_z": 203.7105,
        "delta_z": -0.1003
      },
      {
        "ch": 170.0,
        "easting": 451988.5361,
        "northing": 6511308.5361,
        "existing_z": 204.4129,
        "design_z": 204.5098,
        "delta_z": 0.0969
      },
      {
        "ch": 175.2867,
        "easting": 451992.2744,
        "northing": 6511312.2744,
        "existing_z": 204.7662,
        "design_z": 204.9232,
        "delta_z": 0.1569
      },
      {
        "ch": 180.0,
        "easting": 451995.6072,
        "northing": 6511315.6072,
        "existing_z": 205.097,
        "design_z": 205.2889,
        "delta_z": 0.1919
      },
      {
        "ch": 190.0,
        "easting": 452002.6782,
        "northing": 6511322.6782,
        "existing_z": 205.8102,
        "design_z": 206.0647,
        "delta_z": 0.2545
      },
      {
        "ch": 200.0,
        "easting": 452009.8544,
        "northing": 6511329.6399,
        "existing_z": 206.5517,
        "design_z": 206.8406,
        "delta_z": 0.2889
      },
      {
        "ch": 210.0,
        "easting": 452017.7333,
        "northing": 6511335.7877,
        "existing_z": 207.3937,
        "design_z": 207.6165,
        "delta_z": 0.2228
      },
      {
        "ch": 212.9301,
        "easting": 452020.1795,
        "northing": 6511337.4004,
        "existing_z": 207.6544,
        "design_z": 207.8438,
        "delta_z": 0.1894
      },
      {
        "ch": 220.0,
        "easting": 452026.3085,
        "northing": 6511340.9199,
        "existing_z": 208.3043,
        "design_z": 208.3887,
        "delta_z": 0.0844
      },
      {
        "ch": 230.0,
        "easting": 452035.4496,
        "northing": 6511344.9588,
        "existing_z": 209.1947,
        "design_z": 209.147,
        "delta_z": -0.0476
      },
      {
        "ch": 232.9301,
        "easting": 452038.2154,
        "northing": 6511345.9258,
        "existing_z": 209.4464,
        "design_z": 209.3665,
        "delta_z": -0.0799
      },
      {
        "ch": 240.0,
        "easting": 452045.0181,
        "northing": 6511347.843,
        "existing_z": 210.0598,
        "design_z": 209.8908,
        "delta_z": -0.169
      },
      {
        "ch": 250.0,
        "easting": 452054.8685,
        "northing": 6511349.5287,
        "existing_z": 210.8738,
        "design_z": 210.62,
        "delta_z": -0.2538
      },
      {
        "ch": 252.9301,
        "easting": 452057.7867,
        "northing": 6511349.7914,
        "existing_z": 211.0941,
        "design_z": 210.831,
        "delta_z": -0.2632
      },
      {
        "ch": 260.0,
        "easting": 452064.8516,
        "northing": 6511350.0,
        "existing_z": 211.6265,
        "design_z": 211.3383,
        "delta_z": -0.2881
      },
      {
        "ch": 270.0,
        "easting": 452074.8516,
        "northing": 6511350.0,
        "existing_z": 212.3355,
        "design_z": 212.056,
        "delta_z": -0.2795
      },
      {
        "ch": 280.0,
        "easting": 452084.8363,
        "northing": 6511349.5601,
        "existing_z": 212.9988,
        "design_z": 212.7737,
        "delta_z": -0.2251
      },
      {
        "ch": 290.0,
        "easting": 452094.6929,
        "northing": 6511347.9105,
        "existing_z": 213.6736,
        "design_z": 213.4914,
        "delta_z": -0.1823
      },
      {
        "ch": 290.5735,
        "easting": 452095.2511,
        "northing": 6511347.7792,
        "existing_z": 213.7129,
        "design_z": 213.5326,
        "delta_z": -0.1804
      },
      {
        "ch": 300.0,
        "easting": 452104.2718,
        "northing": 6511345.0613,
        "existing_z": 214.3563,
        "design_z": 214.2008,
        "delta_z": -0.1555
      },
      {
        "ch": 310.0,
        "easting": 452113.4277,
        "northing": 6511341.0559,
        "existing_z": 215.0392,
        "design_z": 214.8917,
        "delta_z": -0.1475
      },
      {
        "ch": 310.5735,
        "easting": 452113.937,
        "northing": 6511340.7923,
        "existing_z": 215.0786,
        "design_z": 214.9308,
        "delta_z": -0.1479
      },
      {
        "ch": 320.0,
        "easting": 452122.0215,
        "northing": 6511335.955,
        "existing_z": 215.7149,
        "design_z": 215.564,
        "delta_z": -0.1509
      },
      {
        "ch": 330.0,
        "easting": 452129.923,
        "northing": 6511329.8361,
        "existing_z": 216.3613,
        "design_z": 216.2177,
        "delta_z": -0.1435
      },
      {
        "ch": 330.5735,
        "easting": 452130.3526,
        "northing": 6511329.4562,
        "existing_z": 216.4007,
        "design_z": 216.2547,
        "delta_z": -0.146
      },
      {
        "ch": 340.0,
        "easting": 452137.1119,
        "northing": 6511322.8881,
        "existing_z": 217.0312,
        "design_z": 216.8611,
        "delta_z": -0.17
      },
      {
        "ch": 350.0,
        "easting": 452144.183,
        "northing": 6511315.817,
        "existing_z": 217.6923,
        "design_z": 217.5045,
        "delta_z": -0.1878
      },
      {
        "ch": 360.0,
        "easting": 452151.254,
        "northing": 6511308.746,
        "existing_z": 218.3566,
        "design_z": 218.1479,
        "delta_z": -0.2087
      },
      {
        "ch": 368.2169,
        "easting": 452156.7769,
        "northing": 6511302.6694,
        "existing_z": 218.9106,
        "design_z": 218.6765,
        "delta_z": -0.2341
      },
      {
        "ch": 370.0,
        "easting": 452157.8662,
        "northing": 6511301.2578,
        "existing_z": 219.0252,
        "design_z": 218.791,
        "delta_z": -0.2342
      },
      {
        "ch": 380.0,
        "easting": 452163.1754,
        "northing": 6511292.7968,
        "existing_z": 219.6242,
        "design_z": 219.4242,
        "delta_z": -0.2
      },
      {
        "ch": 388.2169,
        "easting": 452166.4533,
        "northing": 6511285.2689,
        "existing_z": 220.0749,
        "design_z": 219.9333,
        "delta_z": -0.1417
      },
      {
        "ch": 390.0,
        "easting": 452167.0285,
        "northing": 6511283.5811,
        "existing_z": 220.1676,
        "design_z": 220.0424,
        "delta_z": -0.1252
      },
      {
        "ch": 400.0,
        "easting": 452169.3217,
        "northing": 6511273.8592,
        "existing_z": 220.6288,
        "design_z": 220.6456,
        "delta_z": 0.0168
      },
      {
        "ch": 408.2169,
        "easting": 452169.9937,
        "northing": 6511265.6761,
        "existing_z": 220.9583,
        "design_z": 221.1301,
        "delta_z": 0.1718
      },
      {
        "ch": 410.0,
        "easting": 452170.0,
        "northing": 6511263.893,
        "existing_z": 221.0261,
        "design_z": 221.2341,
        "delta_z": 0.208
      },
      {
        "ch": 420.0,
        "easting": 452170.0,
        "northing": 6511253.893,
        "existing_z": 221.4036,
        "design_z": 221.8175,
        "delta_z": 0.4139
      },
      {
        "ch": 430.0,
        "easting": 452170.0,
        "northing": 6511243.893,
        "existing_z": 221.8208,
        "design_z": 222.4009,
        "delta_z": 0.58
      },
      {
        "ch": 440.0,
        "easting": 452170.703,
        "northing": 6511233.9507,
        "existing_z": 222.3175,
        "design_z": 222.9843,
        "delta_z": 0.6668
      },
      {
        "ch": 450.0,
        "easting": 452175.104,
        "northing": 6511225.0559,
        "existing_z": 223.0725,
        "design_z": 223.5676,
        "delta_z": 0.4952
      },
      {
        "ch": 460.0,
        "easting": 452182.0486,
        "northing": 6511217.8661,
        "existing_z": 223.9649,
        "design_z": 224.151,
        "delta_z": 0.1862
      },
      {
        "ch": 465.8602,
        "easting": 452186.1777,
        "northing": 6511213.7077,
        "existing_z": 224.4929,
        "design_z": 224.4929,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD307",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 25.387,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.0,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449930.0,
          6511300.12
        ],
        "end": [
          449930.0,
          6511305.8504
        ],
        "chainage_start": 0,
        "length": 5.730399999767542
      },
      {
        "type": "ARC",
        "centre": [
          449928.266488457,
          6511305.8504
        ],
        "radius": 1.7335115430449282,
        "start_angle_rad": 0.0,
        "sweep_rad": 2.350158346192973,
        "start": [
          449930.0,
          6511305.8504
        ],
        "end": [
          449927.04813194636,
          6511307.083554363
        ],
        "chainage_start": 5.730399999767542,
        "length": 4.074026621108897,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449927.04813194636,
          6511307.083554363
        ],
        "end": [
          449922.98772070213,
          6511303.071868054
        ],
        "chainage_start": 9.804426620876438,
        "length": 5.707938902613204
      },
      {
        "type": "ARC",
        "centre": [
          449924.2,
          6511301.844864716
        ],
        "radius": 1.7248647156948225,
        "start_angle_rad": 2.3501583462462556,
        "sweep_rad": 2.362230634191717,
        "start": [
          449922.98772070213,
          6511303.071868054
        ],
        "end": [
          449924.2,
          6511300.12
        ],
        "chainage_start": 15.512365523489642,
        "length": 4.0745282712506965,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449924.2000000001,
          6511300.12
        ],
        "end": [
          449930.0,
          6511300.12
        ],
        "chainage_start": 19.586893794740337,
        "length": 5.799999999871943
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449930.0,
        "northing": 6511300.12,
        "existing_z": 199.7905,
        "design_z": 199.7905,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449926.909,
        "northing": 6511306.9461,
        "existing_z": 197.904,
        "design_z": 199.7905,
        "delta_z": 1.8865
      },
      {
        "ch": 20.0,
        "easting": 449924.6131,
        "northing": 6511300.12,
        "existing_z": 199.1063,
        "design_z": 199.7905,
        "delta_z": 0.6841
      },
      {
        "ch": 25.3869,
        "easting": 449930.0,
        "northing": 6511300.12,
        "existing_z": 199.7905,
        "design_z": 199.7905,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD308",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 254.635,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 16.47,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451183.22,
          6511352.66
        ],
        "end": [
          451309.4324144933,
          6511318.840400505
        ],
        "chainage_start": 0,
        "length": 130.66498720871516
      },
      {
        "type": "ARC",
        "centre": [
          451298.56179948454,
          6511278.272014487
        ],
        "radius": 41.99957398326295,
        "start_angle_rad": 1.3089889185810801,
        "sweep_rad": -1.5707765942080065,
        "start": [
          451309.4324144933,
          6511318.840400505
        ],
        "end": [
          451339.1304,
          6511267.402199999
        ],
        "chainage_start": 130.66498720871516,
        "length": 65.97194777961697,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451339.1304,
          6511267.402199999
        ],
        "end": [
          451324.12,
          6511211.38
        ],
        "chainage_start": 196.63693498833214,
        "length": 57.99826722368028
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 63.658800553003104,
        "pvi_z": 227.29173534913508,
        "bvc": 43.658800553003104,
        "evc": 83.6588005530031,
        "length": 40.0,
        "g1": -0.16472080441893525,
        "g2": -0.1158259047533608,
        "z_bvc": 230.5861514375138,
        "K_m_per_percent": 8.180812369712847
      },
      {
        "pvi_ch": 127.31760110600621,
        "pvi_z": 219.91839717956975,
        "bvc": 107.31760110600621,
        "evc": 147.3176011060062,
        "length": 40.0,
        "g1": -0.1158259047533608,
        "g2": -0.05300354354703593,
        "z_bvc": 222.23491527463696,
        "K_m_per_percent": 6.367159596028182
      },
      {
        "pvi_ch": 190.9764016590093,
        "pvi_z": 216.54425517230658,
        "bvc": 170.9764016590093,
        "evc": 210.9764016590093,
        "length": 40.0,
        "g1": -0.05300354354703593,
        "g2": -0.025394954601680578,
        "z_bvc": 217.60432604324728,
        "K_m_per_percent": 14.488244973030133
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451183.22,
        "northing": 6511352.66,
        "existing_z": 237.7777,
        "design_z": 237.7777,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451192.8792,
        "northing": 6511350.0717,
        "existing_z": 235.7963,
        "design_z": 236.1305,
        "delta_z": 0.3341
      },
      {
        "ch": 20.0,
        "easting": 451202.5385,
        "northing": 6511347.4835,
        "existing_z": 233.8532,
        "design_z": 234.4832,
        "delta_z": 0.63
      },
      {
        "ch": 30.0,
        "easting": 451212.1977,
        "northing": 6511344.8952,
        "existing_z": 231.9612,
        "design_z": 232.836,
        "delta_z": 0.8749
      },
      {
        "ch": 40.0,
        "easting": 451221.857,
        "northing": 6511342.3069,
        "existing_z": 230.3092,
        "design_z": 231.1888,
        "delta_z": 0.8796
      },
      {
        "ch": 43.6588,
        "easting": 451225.3911,
        "northing": 6511341.3599,
        "existing_z": 229.699,
        "design_z": 230.5862,
        "delta_z": 0.8871
      },
      {
        "ch": 50.0,
        "easting": 451231.5162,
        "northing": 6511339.7187,
        "existing_z": 228.6764,
        "design_z": 229.5662,
        "delta_z": 0.8898
      },
      {
        "ch": 60.0,
        "easting": 451241.1754,
        "northing": 6511337.1304,
        "existing_z": 227.2522,
        "design_z": 228.0576,
        "delta_z": 0.8054
      },
      {
        "ch": 63.6588,
        "easting": 451244.7095,
        "northing": 6511336.1834,
        "existing_z": 226.7273,
        "design_z": 227.5362,
        "delta_z": 0.8089
      },
      {
        "ch": 70.0,
        "easting": 451250.8347,
        "northing": 6511334.5421,
        "existing_z": 225.8236,
        "design_z": 226.6713,
        "delta_z": 0.8477
      },
      {
        "ch": 80.0,
        "easting": 451260.4939,
        "northing": 6511331.9539,
        "existing_z": 224.4973,
        "design_z": 225.4072,
        "delta_z": 0.9099
      },
      {
        "ch": 83.6588,
        "easting": 451264.028,
        "northing": 6511331.0069,
        "existing_z": 224.0096,
        "design_z": 224.9752,
        "delta_z": 0.9656
      },
      {
        "ch": 90.0,
        "easting": 451270.1531,
        "northing": 6511329.3656,
        "existing_z": 223.1684,
        "design_z": 224.2407,
        "delta_z": 1.0724
      },
      {
        "ch": 100.0,
        "easting": 451279.8124,
        "northing": 6511326.7773,
        "existing_z": 221.9612,
        "design_z": 223.0825,
        "delta_z": 1.1213
      },
      {
        "ch": 107.3176,
        "easting": 451286.8806,
        "northing": 6511324.8833,
        "existing_z": 221.088,
        "design_z": 222.2349,
        "delta_z": 1.1469
      },
      {
        "ch": 110.0,
        "easting": 451289.4716,
        "northing": 6511324.1891,
        "existing_z": 220.7701,
        "design_z": 221.9299,
        "delta_z": 1.1598
      },
      {
        "ch": 120.0,
        "easting": 451299.1309,
        "northing": 6511321.6008,
        "existing_z": 219.7764,
        "design_z": 220.8923,
        "delta_z": 1.1159
      },
      {
        "ch": 127.3176,
        "easting": 451306.1991,
        "northing": 6511319.7068,
        "existing_z": 219.0774,
        "design_z": 220.2325,
        "delta_z": 1.1551
      },
      {
        "ch": 130.0,
        "easting": 451308.7901,
        "northing": 6511319.0125,
        "existing_z": 218.8256,
        "design_z": 220.0117,
        "delta_z": 1.1861
      },
      {
        "ch": 140.0,
        "easting": 451318.1079,
        "northing": 6511315.4461,
        "existing_z": 218.0413,
        "design_z": 219.2882,
        "delta_z": 1.2469
      },
      {
        "ch": 147.3176,
        "easting": 451324.2561,
        "northing": 6511311.495,
        "existing_z": 217.5338,
        "design_z": 218.8583,
        "delta_z": 1.3246
      },
      {
        "ch": 150.0,
        "easting": 451326.3241,
        "northing": 6511309.7874,
        "existing_z": 217.3654,
        "design_z": 218.7161,
        "delta_z": 1.3508
      },
      {
        "ch": 160.0,
        "easting": 451332.9739,
        "northing": 6511302.3504,
        "existing_z": 216.8701,
        "design_z": 218.1861,
        "delta_z": 1.316
      },
      {
        "ch": 170.0,
        "easting": 451337.6821,
        "northing": 6511293.5549,
        "existing_z": 216.5439,
        "design_z": 217.6561,
        "delta_z": 1.1122
      },
      {
        "ch": 170.9764,
        "easting": 451338.0268,
        "northing": 6511292.6414,
        "existing_z": 216.5204,
        "design_z": 217.6043,
        "delta_z": 1.0839
      },
      {
        "ch": 180.0,
        "easting": 451340.183,
        "northing": 6511283.897,
        "existing_z": 216.3529,
        "design_z": 217.1541,
        "delta_z": 0.8013
      },
      {
        "ch": 190.0,
        "easting": 451340.3355,
        "northing": 6511273.9218,
        "existing_z": 216.2834,
        "design_z": 216.7209,
        "delta_z": 0.4375
      },
      {
        "ch": 190.9764,
        "easting": 451340.2231,
        "northing": 6511272.9519,
        "existing_z": 216.2826,
        "design_z": 216.6823,
        "delta_z": 0.3997
      },
      {
        "ch": 200.0,
        "easting": 451338.26,
        "northing": 6511264.1537,
        "existing_z": 216.2335,
        "design_z": 216.3567,
        "delta_z": 0.1232
      },
      {
        "ch": 210.0,
        "easting": 451335.6719,
        "northing": 6511254.4944,
        "existing_z": 216.1297,
        "design_z": 216.0615,
        "delta_z": -0.0682
      },
      {
        "ch": 210.9764,
        "easting": 451335.4192,
        "northing": 6511253.5513,
        "existing_z": 216.1179,
        "design_z": 216.0364,
        "delta_z": -0.0816
      },
      {
        "ch": 220.0,
        "easting": 451333.0839,
        "northing": 6511244.8351,
        "existing_z": 215.9473,
        "design_z": 215.8072,
        "delta_z": -0.1401
      },
      {
        "ch": 230.0,
        "easting": 451330.4958,
        "northing": 6511235.1759,
        "existing_z": 215.6965,
        "design_z": 215.5533,
        "delta_z": -0.1432
      },
      {
        "ch": 240.0,
        "easting": 451327.9077,
        "northing": 6511225.5166,
        "existing_z": 215.4106,
        "design_z": 215.2993,
        "delta_z": -0.1112
      },
      {
        "ch": 250.0,
        "easting": 451325.3196,
        "northing": 6511215.8573,
        "existing_z": 215.0864,
        "design_z": 215.0454,
        "delta_z": -0.0411
      },
      {
        "ch": 254.6352,
        "easting": 451324.12,
        "northing": 6511211.38,
        "existing_z": 214.9276,
        "design_z": 214.9276,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD309",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 249.565,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 13.4,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450796.35,
          6511352.79
        ],
        "end": [
          450932.39309103804,
          6511316.337819792
        ],
        "chainage_start": 0,
        "length": 140.84205359581713
      },
      {
        "type": "ARC",
        "centre": [
          450930.1318272006,
          6511307.898562652
        ],
        "radius": 8.736954573872485,
        "start_angle_rad": 1.3090000675192366,
        "sweep_rad": -1.8263041391831107,
        "start": [
          450932.39309103804,
          6511316.337819792
        ],
        "end": [
          450937.7256,
          6511303.5778
        ],
        "chainage_start": 140.84205359581713,
        "length": 15.95633630211813,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450937.7256,
          6511303.5778
        ],
        "end": [
          450935.5944,
          6511299.8322
        ],
        "chainage_start": 156.79838989793527,
        "length": 4.309470129864377
      },
      {
        "type": "ARC",
        "centre": [
          450972.7561213455,
          6511278.687640909
        ],
        "radius": 42.75612134550697,
        "start_angle_rad": 2.6242885819318524,
        "sweep_rad": 0.5173040716578565,
        "start": [
          450935.5944,
          6511299.8322
        ],
        "end": [
          450930.0,
          6511278.687640909
        ],
        "chainage_start": 161.10786002779963,
        "length": 22.117915660328148,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450930.0,
          6511278.687640909
        ],
        "end": [
          450930.0,
          6511237.751992255
        ],
        "chainage_start": 183.22577568812778,
        "length": 40.935648653656244
      },
      {
        "type": "ARC",
        "centre": [
          450911.2850351618,
          6511237.751992255
        ],
        "radius": 18.714964838202718,
        "start_angle_rad": 0.0,
        "sweep_rad": -0.7853981634041383,
        "start": [
          450930.0,
          6511237.751992255
        ],
        "end": [
          450924.5185137085,
          6511224.518513708
        ],
        "chainage_start": 224.16142434178403,
        "length": 14.69869901209744,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450924.5185137085,
          6511224.518513708
        ],
        "end": [
          450916.948842163,
          6511216.948842163
        ],
        "chainage_start": 238.86012335388148,
        "length": 10.705132162105798
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 62.39131387899682,
        "pvi_z": 202.71327793836676,
        "bvc": 41.23649010256201,
        "evc": 83.54613765543164,
        "length": 42.30964755286962,
        "g1": -0.029392327704874825,
        "g2": -0.09990840695965753,
        "z_bvc": 203.3350674513426,
        "K_m_per_percent": 5.999999999999999
      },
      {
        "pvi_ch": 124.78262775799364,
        "pvi_z": 196.47986116059622,
        "bvc": 104.78262775799364,
        "evc": 144.78262775799362,
        "length": 40.0,
        "g1": -0.09990840695965753,
        "g2": -0.1339746882490461,
        "z_bvc": 198.47802929978937,
        "K_m_per_percent": 11.741815803200023
      },
      {
        "pvi_ch": 187.17394163699046,
        "pvi_z": 188.12100433420923,
        "bvc": 167.17394163699046,
        "evc": 207.17394163699046,
        "length": 40.0,
        "g1": -0.1339746882490461,
        "g2": -0.09285829005242831,
        "z_bvc": 190.80049809919015,
        "K_m_per_percent": 9.728478600854288
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450796.35,
        "northing": 6511352.79,
        "existing_z": 204.5471,
        "design_z": 204.5471,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450806.0093,
        "northing": 6511350.2018,
        "existing_z": 204.4381,
        "design_z": 204.2532,
        "delta_z": -0.1849
      },
      {
        "ch": 20.0,
        "easting": 450815.6685,
        "northing": 6511347.6137,
        "existing_z": 204.2886,
        "design_z": 203.9593,
        "delta_z": -0.3293
      },
      {
        "ch": 30.0,
        "easting": 450825.3278,
        "northing": 6511345.0255,
        "existing_z": 204.1376,
        "design_z": 203.6653,
        "delta_z": -0.4722
      },
      {
        "ch": 40.0,
        "easting": 450834.9871,
        "northing": 6511342.4374,
        "existing_z": 204.0198,
        "design_z": 203.3714,
        "delta_z": -0.6484
      },
      {
        "ch": 41.2365,
        "easting": 450836.1814,
        "northing": 6511342.1173,
        "existing_z": 204.0093,
        "design_z": 203.3351,
        "delta_z": -0.6743
      },
      {
        "ch": 50.0,
        "easting": 450844.6463,
        "northing": 6511339.8492,
        "existing_z": 203.9294,
        "design_z": 203.0135,
        "delta_z": -0.9159
      },
      {
        "ch": 60.0,
        "easting": 450854.3056,
        "northing": 6511337.261,
        "existing_z": 203.7867,
        "design_z": 202.4902,
        "delta_z": -1.2966
      },
      {
        "ch": 62.3913,
        "easting": 450856.6154,
        "northing": 6511336.6421,
        "existing_z": 203.7386,
        "design_z": 202.3403,
        "delta_z": -1.3983
      },
      {
        "ch": 70.0,
        "easting": 450863.9649,
        "northing": 6511334.6729,
        "existing_z": 203.5789,
        "design_z": 201.8002,
        "delta_z": -1.7787
      },
      {
        "ch": 80.0,
        "easting": 450873.6241,
        "northing": 6511332.0847,
        "existing_z": 203.1604,
        "design_z": 200.9435,
        "delta_z": -2.2169
      },
      {
        "ch": 83.5461,
        "easting": 450877.0494,
        "northing": 6511331.1669,
        "existing_z": 202.8951,
        "design_z": 200.5997,
        "delta_z": -2.2953
      },
      {
        "ch": 90.0,
        "easting": 450883.2834,
        "northing": 6511329.4966,
        "existing_z": 202.4044,
        "design_z": 199.9549,
        "delta_z": -2.4495
      },
      {
        "ch": 100.0,
        "easting": 450892.9427,
        "northing": 6511326.9084,
        "existing_z": 201.3668,
        "design_z": 198.9559,
        "delta_z": -2.4109
      },
      {
        "ch": 104.7826,
        "easting": 450897.5623,
        "northing": 6511325.6706,
        "existing_z": 200.597,
        "design_z": 198.478,
        "delta_z": -2.119
      },
      {
        "ch": 110.0,
        "easting": 450902.6019,
        "northing": 6511324.3202,
        "existing_z": 199.7603,
        "design_z": 197.9452,
        "delta_z": -1.8152
      },
      {
        "ch": 120.0,
        "easting": 450912.2612,
        "northing": 6511321.7321,
        "existing_z": 198.0227,
        "design_z": 196.8591,
        "delta_z": -1.1636
      },
      {
        "ch": 124.7826,
        "easting": 450916.8809,
        "northing": 6511320.4943,
        "existing_z": 196.9776,
        "design_z": 196.3095,
        "delta_z": -0.6681
      },
      {
        "ch": 130.0,
        "easting": 450921.9205,
        "northing": 6511319.1439,
        "existing_z": 195.8488,
        "design_z": 195.6878,
        "delta_z": -0.161
      },
      {
        "ch": 140.0,
        "easting": 450931.5797,
        "northing": 6511316.5558,
        "existing_z": 193.7294,
        "design_z": 194.4314,
        "delta_z": 0.7019
      },
      {
        "ch": 144.7826,
        "easting": 450935.8455,
        "northing": 6511314.5082,
        "existing_z": 192.7037,
        "design_z": 193.8004,
        "delta_z": 1.0966
      },
      {
        "ch": 150.0,
        "easting": 450938.5733,
        "northing": 6511310.1515,
        "existing_z": 191.6281,
        "design_z": 193.1014,
        "delta_z": 1.4733
      },
      {
        "ch": 160.0,
        "easting": 450936.1423,
        "northing": 6511300.7951,
        "existing_z": 190.6436,
        "design_z": 191.7616,
        "delta_z": 1.118
      },
      {
        "ch": 167.1739,
        "easting": 450932.9779,
        "northing": 6511294.365,
        "existing_z": 190.1179,
        "design_z": 190.8005,
        "delta_z": 0.6826
      },
      {
        "ch": 170.0,
        "easting": 450932.0293,
        "northing": 6511291.7035,
        "existing_z": 189.8318,
        "design_z": 190.426,
        "delta_z": 0.5942
      },
      {
        "ch": 180.0,
        "easting": 450930.1216,
        "northing": 6511281.9104,
        "existing_z": 188.4838,
        "design_z": 189.1667,
        "delta_z": 0.6829
      },
      {
        "ch": 187.1739,
        "easting": 450930.0,
        "northing": 6511274.7395,
        "existing_z": 187.3192,
        "design_z": 188.3266,
        "delta_z": 1.0073
      },
      {
        "ch": 190.0,
        "easting": 450930.0,
        "northing": 6511271.9134,
        "existing_z": 186.8557,
        "design_z": 188.0102,
        "delta_z": 1.1545
      },
      {
        "ch": 200.0,
        "easting": 450930.0,
        "northing": 6511261.9134,
        "existing_z": 185.4594,
        "design_z": 186.9564,
        "delta_z": 1.497
      },
      {
        "ch": 207.1739,
        "easting": 450930.0,
        "northing": 6511254.7395,
        "existing_z": 184.4992,
        "design_z": 186.2638,
        "delta_z": 1.7647
      },
      {
        "ch": 210.0,
        "easting": 450930.0,
        "northing": 6511251.9134,
        "existing_z": 184.1209,
        "design_z": 186.0014,
        "delta_z": 1.8805
      },
      {
        "ch": 220.0,
        "easting": 450930.0,
        "northing": 6511241.9134,
        "existing_z": 183.5103,
        "design_z": 185.0728,
        "delta_z": 1.5625
      },
      {
        "ch": 230.0,
        "easting": 450929.0966,
        "northing": 6511232.0077,
        "existing_z": 183.0565,
        "design_z": 184.1442,
        "delta_z": 1.0877
      },
      {
        "ch": 240.0,
        "easting": 450923.7125,
        "northing": 6511223.7125,
        "existing_z": 182.8505,
        "design_z": 183.2157,
        "delta_z": 0.3651
      },
      {
        "ch": 249.5653,
        "easting": 450916.9488,
        "northing": 6511216.9488,
        "existing_z": 182.3275,
        "design_z": 182.3275,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD310",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 206.113,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 9.29,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451630.9105542419,
          6511343.532067757
        ],
        "end": [
          451830.0,
          6511290.185874316
        ],
        "chainage_start": 0,
        "length": 206.11264824587343
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 68.70421608195781,
        "pvi_z": 201.70412020395867,
        "bvc": 48.70421608195781,
        "evc": 88.70421608195781,
        "length": 40.0,
        "g1": -0.08967881283950997,
        "g2": -0.09286571460231777,
        "z_bvc": 203.49769646074887,
        "K_m_per_percent": 125.51375278276012
      },
      {
        "pvi_ch": 137.40843216391562,
        "pvi_z": 195.3238540813156,
        "bvc": 117.40843216391562,
        "evc": 157.40843216391562,
        "length": 40.0,
        "g1": -0.09286571460231777,
        "g2": -0.0836710217380935,
        "z_bvc": 197.18116837336197,
        "K_m_per_percent": 43.50335632812321
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451630.9106,
        "northing": 6511343.5321,
        "existing_z": 207.8654,
        "design_z": 207.8654,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451640.5698,
        "northing": 6511340.9439,
        "existing_z": 207.0492,
        "design_z": 206.9686,
        "delta_z": -0.0805
      },
      {
        "ch": 20.0,
        "easting": 451650.2291,
        "northing": 6511338.3557,
        "existing_z": 206.2513,
        "design_z": 206.0719,
        "delta_z": -0.1794
      },
      {
        "ch": 30.0,
        "easting": 451659.8883,
        "northing": 6511335.7675,
        "existing_z": 205.3764,
        "design_z": 205.1751,
        "delta_z": -0.2014
      },
      {
        "ch": 40.0,
        "easting": 451669.5476,
        "northing": 6511333.1792,
        "existing_z": 204.5061,
        "design_z": 204.2783,
        "delta_z": -0.2278
      },
      {
        "ch": 48.7042,
        "easting": 451677.9552,
        "northing": 6511330.9264,
        "existing_z": 203.7029,
        "design_z": 203.4977,
        "delta_z": -0.2052
      },
      {
        "ch": 50.0,
        "easting": 451679.2068,
        "northing": 6511330.591,
        "existing_z": 203.5826,
        "design_z": 203.3814,
        "delta_z": -0.2012
      },
      {
        "ch": 60.0,
        "easting": 451688.8661,
        "northing": 6511328.0028,
        "existing_z": 202.6598,
        "design_z": 202.4796,
        "delta_z": -0.1802
      },
      {
        "ch": 68.7042,
        "easting": 451697.2737,
        "northing": 6511325.75,
        "existing_z": 201.8358,
        "design_z": 201.6882,
        "delta_z": -0.1476
      },
      {
        "ch": 70.0,
        "easting": 451698.5253,
        "northing": 6511325.4146,
        "existing_z": 201.7125,
        "design_z": 201.5698,
        "delta_z": -0.1426
      },
      {
        "ch": 80.0,
        "easting": 451708.1846,
        "northing": 6511322.8264,
        "existing_z": 200.7597,
        "design_z": 200.6521,
        "delta_z": -0.1076
      },
      {
        "ch": 88.7042,
        "easting": 451716.5922,
        "northing": 6511320.5736,
        "existing_z": 199.93,
        "design_z": 199.8468,
        "delta_z": -0.0832
      },
      {
        "ch": 90.0,
        "easting": 451717.8438,
        "northing": 6511320.2382,
        "existing_z": 199.8063,
        "design_z": 199.7265,
        "delta_z": -0.0798
      },
      {
        "ch": 100.0,
        "easting": 451727.5031,
        "northing": 6511317.65,
        "existing_z": 198.8483,
        "design_z": 198.7978,
        "delta_z": -0.0505
      },
      {
        "ch": 110.0,
        "easting": 451737.1624,
        "northing": 6511315.0618,
        "existing_z": 197.8785,
        "design_z": 197.8692,
        "delta_z": -0.0094
      },
      {
        "ch": 117.4084,
        "easting": 451744.3183,
        "northing": 6511313.1444,
        "existing_z": 197.1523,
        "design_z": 197.1812,
        "delta_z": 0.0289
      },
      {
        "ch": 120.0,
        "easting": 451746.8216,
        "northing": 6511312.4736,
        "existing_z": 196.897,
        "design_z": 196.9413,
        "delta_z": 0.0443
      },
      {
        "ch": 130.0,
        "easting": 451756.4809,
        "northing": 6511309.8854,
        "existing_z": 195.8797,
        "design_z": 196.0301,
        "delta_z": 0.1504
      },
      {
        "ch": 137.4084,
        "easting": 451763.6369,
        "northing": 6511307.9679,
        "existing_z": 195.1072,
        "design_z": 195.3698,
        "delta_z": 0.2626
      },
      {
        "ch": 140.0,
        "easting": 451766.1401,
        "northing": 6511307.2972,
        "existing_z": 194.836,
        "design_z": 195.1418,
        "delta_z": 0.3059
      },
      {
        "ch": 150.0,
        "easting": 451775.7994,
        "northing": 6511304.709,
        "existing_z": 193.7875,
        "design_z": 194.2766,
        "delta_z": 0.4892
      },
      {
        "ch": 157.4084,
        "easting": 451782.9554,
        "northing": 6511302.7915,
        "existing_z": 193.008,
        "design_z": 193.6504,
        "delta_z": 0.6424
      },
      {
        "ch": 160.0,
        "easting": 451785.4586,
        "northing": 6511302.1208,
        "existing_z": 192.7345,
        "design_z": 193.4336,
        "delta_z": 0.6991
      },
      {
        "ch": 170.0,
        "easting": 451795.1179,
        "northing": 6511299.5326,
        "existing_z": 191.7779,
        "design_z": 192.5969,
        "delta_z": 0.8189
      },
      {
        "ch": 180.0,
        "easting": 451804.7771,
        "northing": 6511296.9444,
        "existing_z": 190.9091,
        "design_z": 191.7602,
        "delta_z": 0.8511
      },
      {
        "ch": 190.0,
        "easting": 451814.4364,
        "northing": 6511294.3562,
        "existing_z": 190.2389,
        "design_z": 190.9235,
        "delta_z": 0.6846
      },
      {
        "ch": 200.0,
        "easting": 451824.0956,
        "northing": 6511291.768,
        "existing_z": 189.8204,
        "design_z": 190.0868,
        "delta_z": 0.2663
      },
      {
        "ch": 206.1126,
        "easting": 451830.0,
        "northing": 6511290.1859,
        "existing_z": 189.5753,
        "design_z": 189.5753,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD311",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 178.968,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.79,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449550.0,
          6511230.0
        ],
        "end": [
          449550.0,
          6511326.241212152
        ],
        "chainage_start": 0,
        "length": 96.24121215194464
      },
      {
        "type": "ARC",
        "centre": [
          449492.64121215214,
          6511326.241212152
        ],
        "radius": 57.35878784786799,
        "start_angle_rad": 0.0,
        "sweep_rad": 0.7853981633974484,
        "start": [
          449550.0,
          6511326.241212152
        ],
        "end": [
          449533.2,
          6511366.8
        ],
        "chainage_start": 96.24121215194464,
        "length": 45.049486630419395,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449533.2,
          6511366.8
        ],
        "end": [
          449511.5116528768,
          6511388.488347123
        ],
        "chainage_start": 141.29069878236402,
        "length": 30.671954647351754
      },
      {
        "type": "ARC",
        "centre": [
          449515.1611057535,
          6511392.1378
        ],
        "radius": 5.161105753490109,
        "start_angle_rad": -2.356194490248169,
        "sweep_rad": -0.7853981633974484,
        "start": [
          449511.5116528768,
          6511388.488347123
        ],
        "end": [
          449510.0,
          6511392.1378
        ],
        "chainage_start": 171.96265342971577,
        "length": 4.053522979891135,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449510.0,
          6511392.1378
        ],
        "end": [
          449510.0,
          6511395.09
        ],
        "chainage_start": 176.0161764096069,
        "length": 2.9522000001743436
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 59.65612546992708,
        "pvi_z": 154.75983097528797,
        "bvc": 39.65612546992708,
        "evc": 79.65612546992708,
        "length": 40.0,
        "g1": -0.013856247924914127,
        "g2": 0.041534235183025264,
        "z_bvc": 155.03695593378626,
        "K_m_per_percent": 7.221457144912788
      },
      {
        "pvi_ch": 119.31225093985417,
        "pvi_z": 157.23760252066398,
        "bvc": 99.31225093985417,
        "evc": 139.31225093985415,
        "length": 40.0,
        "g1": 0.041534235183025264,
        "g2": 0.05786272299673868,
        "z_bvc": 156.4069178170035,
        "K_m_per_percent": 24.497063326590567
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449550.0,
        "northing": 6511230.0,
        "existing_z": 155.5864,
        "design_z": 155.5864,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449550.0,
        "northing": 6511240.0,
        "existing_z": 155.0428,
        "design_z": 155.4479,
        "delta_z": 0.4051
      },
      {
        "ch": 20.0,
        "easting": 449550.0,
        "northing": 6511250.0,
        "existing_z": 154.4992,
        "design_z": 155.3093,
        "delta_z": 0.8101
      },
      {
        "ch": 30.0,
        "easting": 449550.0,
        "northing": 6511260.0,
        "existing_z": 154.1527,
        "design_z": 155.1708,
        "delta_z": 1.0181
      },
      {
        "ch": 39.6561,
        "easting": 449550.0,
        "northing": 6511269.6561,
        "existing_z": 153.8181,
        "design_z": 155.037,
        "delta_z": 1.2189
      },
      {
        "ch": 40.0,
        "easting": 449550.0,
        "northing": 6511270.0,
        "existing_z": 153.8062,
        "design_z": 155.0323,
        "delta_z": 1.2261
      },
      {
        "ch": 50.0,
        "easting": 449550.0,
        "northing": 6511280.0,
        "existing_z": 153.864,
        "design_z": 154.9677,
        "delta_z": 1.1037
      },
      {
        "ch": 59.6561,
        "easting": 449550.0,
        "northing": 6511289.6561,
        "existing_z": 153.9198,
        "design_z": 155.0368,
        "delta_z": 1.117
      },
      {
        "ch": 60.0,
        "easting": 449550.0,
        "northing": 6511290.0,
        "existing_z": 153.9218,
        "design_z": 155.0416,
        "delta_z": 1.1198
      },
      {
        "ch": 70.0,
        "easting": 449550.0,
        "northing": 6511300.0,
        "existing_z": 154.2607,
        "design_z": 155.254,
        "delta_z": 0.9933
      },
      {
        "ch": 79.6561,
        "easting": 449550.0,
        "northing": 6511309.6561,
        "existing_z": 154.588,
        "design_z": 155.5905,
        "delta_z": 1.0025
      },
      {
        "ch": 80.0,
        "easting": 449550.0,
        "northing": 6511310.0,
        "existing_z": 154.5996,
        "design_z": 155.6048,
        "delta_z": 1.0052
      },
      {
        "ch": 90.0,
        "easting": 449550.0,
        "northing": 6511320.0,
        "existing_z": 155.2391,
        "design_z": 156.0201,
        "delta_z": 0.7811
      },
      {
        "ch": 99.3123,
        "easting": 449549.9178,
        "northing": 6511329.3108,
        "existing_z": 155.8328,
        "design_z": 156.4069,
        "delta_z": 0.5741
      },
      {
        "ch": 100.0,
        "easting": 449549.8769,
        "northing": 6511329.9973,
        "existing_z": 155.8759,
        "design_z": 156.4356,
        "delta_z": 0.5596
      },
      {
        "ch": 110.0,
        "easting": 449548.3577,
        "northing": 6511339.8684,
        "existing_z": 156.5906,
        "design_z": 156.8741,
        "delta_z": 0.2836
      },
      {
        "ch": 119.3123,
        "easting": 449545.4224,
        "northing": 6511348.6952,
        "existing_z": 157.1972,
        "design_z": 157.3192,
        "delta_z": 0.122
      },
      {
        "ch": 120.0,
        "easting": 449545.1493,
        "northing": 6511349.3264,
        "existing_z": 157.2393,
        "design_z": 157.3535,
        "delta_z": 0.1143
      },
      {
        "ch": 130.0,
        "easting": 449540.349,
        "northing": 6511358.0845,
        "existing_z": 157.8952,
        "design_z": 157.8737,
        "delta_z": -0.0215
      },
      {
        "ch": 139.3123,
        "easting": 449534.5746,
        "northing": 6511365.3772,
        "existing_z": 158.416,
        "design_z": 158.3949,
        "delta_z": -0.0212
      },
      {
        "ch": 140.0,
        "easting": 449534.1023,
        "northing": 6511365.8771,
        "existing_z": 158.4504,
        "design_z": 158.4347,
        "delta_z": -0.0157
      },
      {
        "ch": 150.0,
        "easting": 449527.0416,
        "northing": 6511372.9584,
        "existing_z": 158.9265,
        "design_z": 159.0133,
        "delta_z": 0.0867
      },
      {
        "ch": 160.0,
        "easting": 449519.9705,
        "northing": 6511380.0295,
        "existing_z": 159.3782,
        "design_z": 159.5919,
        "delta_z": 0.2137
      },
      {
        "ch": 170.0,
        "easting": 449512.8995,
        "northing": 6511387.1005,
        "existing_z": 159.8061,
        "design_z": 160.1705,
        "delta_z": 0.3644
      },
      {
        "ch": 178.9684,
        "easting": 449510.0,
        "northing": 6511395.09,
        "existing_z": 160.6895,
        "design_z": 160.6895,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD312",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 307.941,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 8.05,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449332.25,
          6511431.42
        ],
        "end": [
          449550.0,
          6511213.6752124475
        ],
        "chainage_start": 0,
        "length": 307.9413174717501
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 76.98532936793752,
        "pvi_z": 154.0960679170598,
        "bvc": 56.985329367937524,
        "evc": 96.98532936793752,
        "length": 40.0,
        "g1": -0.08052489323048335,
        "g2": -0.029405171192562155,
        "z_bvc": 155.70656578166947,
        "K_m_per_percent": 7.824768681317856
      },
      {
        "pvi_ch": 153.97065873587505,
        "pvi_z": 151.8323011276798,
        "bvc": 133.97065873587505,
        "evc": 173.97065873587505,
        "length": 40.0,
        "g1": -0.029405171192562155,
        "g2": 0.007408436558606965,
        "z_bvc": 152.42040455153105,
        "K_m_per_percent": 10.865547400398347
      },
      {
        "pvi_ch": 230.95598810381256,
        "pvi_z": 152.40264205624564,
        "bvc": 210.95598810381256,
        "evc": 250.95598810381256,
        "length": 40.0,
        "g1": 0.007408436558606965,
        "g2": 0.056358166190168854,
        "z_bvc": 152.2544733250735,
        "K_m_per_percent": 8.171648812174181
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449332.25,
        "northing": 6511431.42,
        "existing_z": 160.2953,
        "design_z": 160.2953,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449339.3212,
        "northing": 6511424.349,
        "existing_z": 159.3137,
        "design_z": 159.4901,
        "delta_z": 0.1763
      },
      {
        "ch": 20.0,
        "easting": 449346.3923,
        "northing": 6511417.278,
        "existing_z": 158.2898,
        "design_z": 158.6848,
        "delta_z": 0.395
      },
      {
        "ch": 30.0,
        "easting": 449353.4635,
        "northing": 6511410.2071,
        "existing_z": 157.2672,
        "design_z": 157.8796,
        "delta_z": 0.6124
      },
      {
        "ch": 40.0,
        "easting": 449360.5346,
        "northing": 6511403.1361,
        "existing_z": 156.2337,
        "design_z": 157.0743,
        "delta_z": 0.8406
      },
      {
        "ch": 50.0,
        "easting": 449367.6058,
        "northing": 6511396.0651,
        "existing_z": 155.2166,
        "design_z": 156.2691,
        "delta_z": 1.0524
      },
      {
        "ch": 56.9853,
        "easting": 449372.5452,
        "northing": 6511391.1258,
        "existing_z": 154.5863,
        "design_z": 155.7066,
        "delta_z": 1.1202
      },
      {
        "ch": 60.0,
        "easting": 449374.6769,
        "northing": 6511388.9941,
        "existing_z": 154.3556,
        "design_z": 155.4696,
        "delta_z": 1.114
      },
      {
        "ch": 70.0,
        "easting": 449381.7481,
        "northing": 6511381.9231,
        "existing_z": 153.6485,
        "design_z": 154.7668,
        "delta_z": 1.1183
      },
      {
        "ch": 76.9853,
        "easting": 449386.6875,
        "northing": 6511376.9838,
        "existing_z": 153.1779,
        "design_z": 154.3517,
        "delta_z": 1.1738
      },
      {
        "ch": 80.0,
        "easting": 449388.8192,
        "northing": 6511374.8521,
        "existing_z": 152.9807,
        "design_z": 154.1918,
        "delta_z": 1.211
      },
      {
        "ch": 90.0,
        "easting": 449395.8904,
        "northing": 6511367.7812,
        "existing_z": 152.4923,
        "design_z": 153.7445,
        "delta_z": 1.2523
      },
      {
        "ch": 96.9853,
        "easting": 449400.8298,
        "northing": 6511362.8418,
        "existing_z": 152.263,
        "design_z": 153.508,
        "delta_z": 1.245
      },
      {
        "ch": 100.0,
        "easting": 449402.9615,
        "northing": 6511360.7102,
        "existing_z": 152.1761,
        "design_z": 153.4193,
        "delta_z": 1.2432
      },
      {
        "ch": 110.0,
        "easting": 449410.0327,
        "northing": 6511353.6392,
        "existing_z": 151.9406,
        "design_z": 153.1253,
        "delta_z": 1.1846
      },
      {
        "ch": 120.0,
        "easting": 449417.1038,
        "northing": 6511346.5682,
        "existing_z": 151.8075,
        "design_z": 152.8312,
        "delta_z": 1.0237
      },
      {
        "ch": 130.0,
        "easting": 449424.175,
        "northing": 6511339.4972,
        "existing_z": 151.7421,
        "design_z": 152.5372,
        "delta_z": 0.7951
      },
      {
        "ch": 133.9707,
        "easting": 449426.9827,
        "northing": 6511336.6896,
        "existing_z": 151.729,
        "design_z": 152.4204,
        "delta_z": 0.6914
      },
      {
        "ch": 140.0,
        "easting": 449431.2461,
        "northing": 6511332.4262,
        "existing_z": 151.7043,
        "design_z": 152.2598,
        "delta_z": 0.5556
      },
      {
        "ch": 150.0,
        "easting": 449438.3173,
        "northing": 6511325.3553,
        "existing_z": 151.5748,
        "design_z": 152.0673,
        "delta_z": 0.4925
      },
      {
        "ch": 153.9707,
        "easting": 449441.125,
        "northing": 6511322.5476,
        "existing_z": 151.5229,
        "design_z": 152.0164,
        "delta_z": 0.4935
      },
      {
        "ch": 160.0,
        "easting": 449445.3884,
        "northing": 6511318.2843,
        "existing_z": 151.451,
        "design_z": 151.9668,
        "delta_z": 0.5158
      },
      {
        "ch": 170.0,
        "easting": 449452.4596,
        "northing": 6511311.2133,
        "existing_z": 151.3365,
        "design_z": 151.9583,
        "delta_z": 0.6218
      },
      {
        "ch": 173.9707,
        "easting": 449455.2673,
        "northing": 6511308.4056,
        "existing_z": 151.2902,
        "design_z": 151.9805,
        "delta_z": 0.6903
      },
      {
        "ch": 180.0,
        "easting": 449459.5307,
        "northing": 6511304.1423,
        "existing_z": 151.2245,
        "design_z": 152.0251,
        "delta_z": 0.8006
      },
      {
        "ch": 190.0,
        "easting": 449466.6019,
        "northing": 6511297.0713,
        "existing_z": 151.1124,
        "design_z": 152.0992,
        "delta_z": 0.9868
      },
      {
        "ch": 200.0,
        "easting": 449473.673,
        "northing": 6511290.0003,
        "existing_z": 150.995,
        "design_z": 152.1733,
        "delta_z": 1.1783
      },
      {
        "ch": 210.0,
        "easting": 449480.7442,
        "northing": 6511282.9294,
        "existing_z": 151.1241,
        "design_z": 152.2474,
        "delta_z": 1.1233
      },
      {
        "ch": 210.956,
        "easting": 449481.4202,
        "northing": 6511282.2534,
        "existing_z": 151.1369,
        "design_z": 152.2545,
        "delta_z": 1.1176
      },
      {
        "ch": 220.0,
        "easting": 449487.8154,
        "northing": 6511275.8584,
        "existing_z": 151.2624,
        "design_z": 152.3715,
        "delta_z": 1.1091
      },
      {
        "ch": 230.0,
        "easting": 449494.8865,
        "northing": 6511268.7874,
        "existing_z": 151.4725,
        "design_z": 152.6175,
        "delta_z": 1.145
      },
      {
        "ch": 230.956,
        "easting": 449495.5625,
        "northing": 6511268.1114,
        "existing_z": 151.5204,
        "design_z": 152.6474,
        "delta_z": 1.127
      },
      {
        "ch": 240.0,
        "easting": 449501.9577,
        "northing": 6511261.7164,
        "existing_z": 151.9754,
        "design_z": 152.9858,
        "delta_z": 1.0103
      },
      {
        "ch": 250.0,
        "easting": 449509.0288,
        "northing": 6511254.6454,
        "existing_z": 152.4837,
        "design_z": 153.4765,
        "delta_z": 0.9928
      },
      {
        "ch": 250.956,
        "easting": 449509.7048,
        "northing": 6511253.9694,
        "existing_z": 152.5326,
        "design_z": 153.5298,
        "delta_z": 0.9972
      },
      {
        "ch": 260.0,
        "easting": 449516.1,
        "northing": 6511247.5744,
        "existing_z": 153.0872,
        "design_z": 154.0395,
        "delta_z": 0.9524
      },
      {
        "ch": 270.0,
        "easting": 449523.1711,
        "northing": 6511240.5035,
        "existing_z": 153.8293,
        "design_z": 154.6031,
        "delta_z": 0.7738
      },
      {
        "ch": 280.0,
        "easting": 449530.2423,
        "northing": 6511233.4325,
        "existing_z": 154.5664,
        "design_z": 155.1667,
        "delta_z": 0.6002
      },
      {
        "ch": 290.0,
        "easting": 449537.3134,
        "northing": 6511226.3615,
        "existing_z": 155.3183,
        "design_z": 155.7303,
        "delta_z": 0.412
      },
      {
        "ch": 300.0,
        "easting": 449544.3846,
        "northing": 6511219.2905,
        "existing_z": 156.1134,
        "design_z": 156.2938,
        "delta_z": 0.1804
      },
      {
        "ch": 307.9413,
        "easting": 449550.0,
        "northing": 6511213.6752,
        "existing_z": 156.7414,
        "design_z": 156.7414,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD313",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 106.671,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.5,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451824.9305318966,
          6511395.069468103
        ],
        "end": [
          451827.87082339654,
          6511392.129176604
        ],
        "chainage_start": 0,
        "length": 4.158200116397607
      },
      {
        "type": "ARC",
        "centre": [
          451822.73053636396,
          6511386.988889571
        ],
        "radius": 7.2694636360212375,
        "start_angle_rad": 0.7853981633748007,
        "sweep_rad": -0.7853981634031895,
        "start": [
          451827.87082339654,
          6511392.129176604
        ],
        "end": [
          451830.0,
          6511386.98888957
        ],
        "chainage_start": 4.158200116397607,
        "length": 5.709423388657352,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451830.0,
          6511386.988889571
        ],
        "end": [
          451830.0,
          6511290.185874316
        ],
        "chainage_start": 9.867623505054958,
        "length": 96.80301525536925
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 53.3353193802121,
        "pvi_z": 191.11375318920338,
        "bvc": 33.3353193802121,
        "evc": 73.3353193802121,
        "length": 40.0,
        "g1": -0.04497076541144348,
        "g2": -0.02884488333542672,
        "z_bvc": 192.01316849743225,
        "K_m_per_percent": 24.804844666134606
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451824.9305,
        "northing": 6511395.0695,
        "existing_z": 193.5123,
        "design_z": 193.5123,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451830.0,
        "northing": 6511386.8565,
        "existing_z": 192.6867,
        "design_z": 193.0626,
        "delta_z": 0.3759
      },
      {
        "ch": 20.0,
        "easting": 451830.0,
        "northing": 6511376.8565,
        "existing_z": 192.1942,
        "design_z": 192.6129,
        "delta_z": 0.4187
      },
      {
        "ch": 30.0,
        "easting": 451830.0,
        "northing": 6511366.8565,
        "existing_z": 191.7352,
        "design_z": 192.1632,
        "delta_z": 0.428
      },
      {
        "ch": 33.3353,
        "easting": 451830.0,
        "northing": 6511363.5212,
        "existing_z": 191.6065,
        "design_z": 192.0132,
        "delta_z": 0.4067
      },
      {
        "ch": 40.0,
        "easting": 451830.0,
        "northing": 6511356.8565,
        "existing_z": 191.3493,
        "design_z": 191.7224,
        "delta_z": 0.3731
      },
      {
        "ch": 50.0,
        "easting": 451830.0,
        "northing": 6511346.8565,
        "existing_z": 190.9932,
        "design_z": 191.3197,
        "delta_z": 0.3266
      },
      {
        "ch": 53.3353,
        "easting": 451830.0,
        "northing": 6511343.5212,
        "existing_z": 190.896,
        "design_z": 191.1944,
        "delta_z": 0.2984
      },
      {
        "ch": 60.0,
        "easting": 451830.0,
        "northing": 6511336.8565,
        "existing_z": 190.7017,
        "design_z": 190.9574,
        "delta_z": 0.2556
      },
      {
        "ch": 70.0,
        "easting": 451830.0,
        "northing": 6511326.8565,
        "existing_z": 190.4428,
        "design_z": 190.6353,
        "delta_z": 0.1925
      },
      {
        "ch": 73.3353,
        "easting": 451830.0,
        "northing": 6511323.5212,
        "existing_z": 190.38,
        "design_z": 190.5369,
        "delta_z": 0.1568
      },
      {
        "ch": 80.0,
        "easting": 451830.0,
        "northing": 6511316.8565,
        "existing_z": 190.2546,
        "design_z": 190.3446,
        "delta_z": 0.09
      },
      {
        "ch": 90.0,
        "easting": 451830.0,
        "northing": 6511306.8565,
        "existing_z": 190.0383,
        "design_z": 190.0562,
        "delta_z": 0.0178
      },
      {
        "ch": 100.0,
        "easting": 451830.0,
        "northing": 6511296.8565,
        "existing_z": 189.7606,
        "design_z": 189.7677,
        "delta_z": 0.0071
      },
      {
        "ch": 106.6706,
        "easting": 451830.0,
        "northing": 6511290.1859,
        "existing_z": 189.5753,
        "design_z": 189.5753,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD314",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 113.429,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.8,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450120.01,
          6511300.12
        ],
        "end": [
          450125.8042,
          6511305.8504
        ],
        "chainage_start": 0,
        "length": 8.149247682907985
      },
      {
        "type": "ARC",
        "centre": [
          450115.86408988567,
          6511315.9011793565
        ],
        "radius": 14.135910114350077,
        "start_angle_rad": -0.790934090745425,
        "sweep_rad": 0.7909340907450139,
        "start": [
          450125.8042,
          6511305.8504
        ],
        "end": [
          450130.0,
          6511315.9011793565
        ],
        "chainage_start": 8.149247682907985,
        "length": 11.180573213146722,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450130.0,
          6511315.9011793565
        ],
        "end": [
          450130.0,
          6511410.0
        ],
        "chainage_start": 19.329820896054706,
        "length": 94.0988206434995
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 56.7143207697771,
        "pvi_z": 227.28432258933316,
        "bvc": 36.7143207697771,
        "evc": 76.7143207697771,
        "length": 40.0,
        "g1": 0.010380180976541413,
        "g2": -0.048012790031175305,
        "z_bvc": 227.07671896980233,
        "K_m_per_percent": 6.850139547568823
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450120.01,
        "northing": 6511300.12,
        "existing_z": 226.6956,
        "design_z": 226.6956,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450127.0313,
        "northing": 6511307.2341,
        "existing_z": 227.6333,
        "design_z": 226.7994,
        "delta_z": -0.8339
      },
      {
        "ch": 20.0,
        "easting": 450130.0,
        "northing": 6511316.5714,
        "existing_z": 228.1376,
        "design_z": 226.9032,
        "delta_z": -1.2344
      },
      {
        "ch": 30.0,
        "easting": 450130.0,
        "northing": 6511326.5714,
        "existing_z": 228.2585,
        "design_z": 227.007,
        "delta_z": -1.2514
      },
      {
        "ch": 36.7143,
        "easting": 450130.0,
        "northing": 6511333.2857,
        "existing_z": 228.2888,
        "design_z": 227.0767,
        "delta_z": -1.2121
      },
      {
        "ch": 40.0,
        "easting": 450130.0,
        "northing": 6511336.5714,
        "existing_z": 228.2778,
        "design_z": 227.1029,
        "delta_z": -1.1748
      },
      {
        "ch": 50.0,
        "easting": 450130.0,
        "northing": 6511346.5714,
        "existing_z": 228.2441,
        "design_z": 227.0858,
        "delta_z": -1.1583
      },
      {
        "ch": 56.7143,
        "easting": 450130.0,
        "northing": 6511353.2857,
        "existing_z": 228.1229,
        "design_z": 226.9924,
        "delta_z": -1.1306
      },
      {
        "ch": 60.0,
        "easting": 450130.0,
        "northing": 6511356.5714,
        "existing_z": 228.0132,
        "design_z": 226.9227,
        "delta_z": -1.0906
      },
      {
        "ch": 70.0,
        "easting": 450130.0,
        "northing": 6511366.5714,
        "existing_z": 227.6795,
        "design_z": 226.6135,
        "delta_z": -1.066
      },
      {
        "ch": 76.7143,
        "easting": 450130.0,
        "northing": 6511373.2857,
        "existing_z": 227.3478,
        "design_z": 226.3241,
        "delta_z": -1.0237
      },
      {
        "ch": 80.0,
        "easting": 450130.0,
        "northing": 6511376.5714,
        "existing_z": 227.1304,
        "design_z": 226.1663,
        "delta_z": -0.9641
      },
      {
        "ch": 90.0,
        "easting": 450130.0,
        "northing": 6511386.5714,
        "existing_z": 226.469,
        "design_z": 225.6862,
        "delta_z": -0.7828
      },
      {
        "ch": 100.0,
        "easting": 450130.0,
        "northing": 6511396.5714,
        "existing_z": 225.6899,
        "design_z": 225.2061,
        "delta_z": -0.4839
      },
      {
        "ch": 110.0,
        "easting": 450130.0,
        "northing": 6511406.5714,
        "existing_z": 224.8495,
        "design_z": 224.7259,
        "delta_z": -0.1235
      },
      {
        "ch": 113.4286,
        "easting": 450130.0,
        "northing": 6511410.0,
        "existing_z": 224.5613,
        "design_z": 224.5613,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD315",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 129.348,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.55,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451505.97,
          6511377.01
        ],
        "end": [
          451630.9105542419,
          6511343.532067757
        ],
        "chainage_start": 0,
        "length": 129.34803454837885
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 64.67401727418942,
        "pvi_z": 211.45431038275876,
        "bvc": 44.674017274189424,
        "evc": 84.67401727418942,
        "length": 40.0,
        "g1": -0.030658732669990744,
        "g2": -0.05549180018129515,
        "z_bvc": 212.0674850361586,
        "K_m_per_percent": 16.107554969514485
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451505.97,
        "northing": 6511377.01,
        "existing_z": 213.4371,
        "design_z": 213.4371,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451515.6293,
        "northing": 6511374.4218,
        "existing_z": 213.838,
        "design_z": 213.1305,
        "delta_z": -0.7075
      },
      {
        "ch": 20.0,
        "easting": 451525.2885,
        "northing": 6511371.8336,
        "existing_z": 213.9398,
        "design_z": 212.824,
        "delta_z": -1.1158
      },
      {
        "ch": 30.0,
        "easting": 451534.9478,
        "northing": 6511369.2454,
        "existing_z": 213.7562,
        "design_z": 212.5174,
        "delta_z": -1.2388
      },
      {
        "ch": 40.0,
        "easting": 451544.607,
        "northing": 6511366.6572,
        "existing_z": 213.2803,
        "design_z": 212.2108,
        "delta_z": -1.0695
      },
      {
        "ch": 44.674,
        "easting": 451549.1218,
        "northing": 6511365.4474,
        "existing_z": 213.0653,
        "design_z": 212.0675,
        "delta_z": -0.9978
      },
      {
        "ch": 50.0,
        "easting": 451554.2663,
        "northing": 6511364.069,
        "existing_z": 212.7403,
        "design_z": 211.8954,
        "delta_z": -0.8449
      },
      {
        "ch": 60.0,
        "easting": 451563.9255,
        "northing": 6511361.4808,
        "existing_z": 212.1305,
        "design_z": 211.5247,
        "delta_z": -0.6058
      },
      {
        "ch": 64.674,
        "easting": 451568.4403,
        "northing": 6511360.271,
        "existing_z": 211.861,
        "design_z": 211.3301,
        "delta_z": -0.5308
      },
      {
        "ch": 70.0,
        "easting": 451573.5848,
        "northing": 6511358.8926,
        "existing_z": 211.5416,
        "design_z": 211.0919,
        "delta_z": -0.4497
      },
      {
        "ch": 80.0,
        "easting": 451583.244,
        "northing": 6511356.3044,
        "existing_z": 210.9568,
        "design_z": 210.5971,
        "delta_z": -0.3597
      },
      {
        "ch": 84.674,
        "easting": 451587.7588,
        "northing": 6511355.0946,
        "existing_z": 210.699,
        "design_z": 210.3445,
        "delta_z": -0.3545
      },
      {
        "ch": 90.0,
        "easting": 451592.9033,
        "northing": 6511353.7161,
        "existing_z": 210.3918,
        "design_z": 210.0489,
        "delta_z": -0.3429
      },
      {
        "ch": 100.0,
        "easting": 451602.5625,
        "northing": 6511351.1279,
        "existing_z": 209.8072,
        "design_z": 209.494,
        "delta_z": -0.3132
      },
      {
        "ch": 110.0,
        "easting": 451612.2218,
        "northing": 6511348.5397,
        "existing_z": 209.2059,
        "design_z": 208.9391,
        "delta_z": -0.2668
      },
      {
        "ch": 120.0,
        "easting": 451621.8811,
        "northing": 6511345.9515,
        "existing_z": 208.5013,
        "design_z": 208.3842,
        "delta_z": -0.1172
      },
      {
        "ch": 129.348,
        "easting": 451630.9106,
        "northing": 6511343.5321,
        "existing_z": 207.8654,
        "design_z": 207.8654,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD316",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 151.378,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.89,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451824.9305318966,
          6511395.069468103
        ],
        "end": [
          451971.15,
          6511355.89
        ],
        "chainage_start": 0,
        "length": 151.37755306959423
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 75.68877653479711,
        "pvi_z": 196.32201568286035,
        "bvc": 55.688776534797114,
        "evc": 95.68877653479711,
        "length": 40.0,
        "g1": 0.03712217961897292,
        "g2": 0.07888620681434862,
        "z_bvc": 195.5795720904809,
        "K_m_per_percent": 9.577620427473763
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451824.9305,
        "northing": 6511395.0695,
        "existing_z": 193.5123,
        "design_z": 193.5123,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451834.5898,
        "northing": 6511392.4813,
        "existing_z": 193.1389,
        "design_z": 193.8835,
        "delta_z": 0.7446
      },
      {
        "ch": 20.0,
        "easting": 451844.249,
        "northing": 6511389.8931,
        "existing_z": 193.0585,
        "design_z": 194.2547,
        "delta_z": 1.1962
      },
      {
        "ch": 30.0,
        "easting": 451853.9083,
        "northing": 6511387.3049,
        "existing_z": 193.2257,
        "design_z": 194.6259,
        "delta_z": 1.4002
      },
      {
        "ch": 40.0,
        "easting": 451863.5676,
        "northing": 6511384.7167,
        "existing_z": 193.6862,
        "design_z": 194.9972,
        "delta_z": 1.311
      },
      {
        "ch": 50.0,
        "easting": 451873.2268,
        "northing": 6511382.1285,
        "existing_z": 194.1241,
        "design_z": 195.3684,
        "delta_z": 1.2443
      },
      {
        "ch": 55.6888,
        "easting": 451878.7218,
        "northing": 6511380.6561,
        "existing_z": 194.4314,
        "design_z": 195.5796,
        "delta_z": 1.1481
      },
      {
        "ch": 60.0,
        "easting": 451882.8861,
        "northing": 6511379.5403,
        "existing_z": 194.6641,
        "design_z": 195.7493,
        "delta_z": 1.0853
      },
      {
        "ch": 70.0,
        "easting": 451892.5453,
        "northing": 6511376.9521,
        "existing_z": 195.2018,
        "design_z": 196.2178,
        "delta_z": 1.016
      },
      {
        "ch": 75.6888,
        "easting": 451898.0403,
        "northing": 6511375.4797,
        "existing_z": 195.5216,
        "design_z": 196.5308,
        "delta_z": 1.0093
      },
      {
        "ch": 80.0,
        "easting": 451902.2046,
        "northing": 6511374.3639,
        "existing_z": 195.7783,
        "design_z": 196.7906,
        "delta_z": 1.0123
      },
      {
        "ch": 90.0,
        "easting": 451911.8638,
        "northing": 6511371.7757,
        "existing_z": 196.4286,
        "design_z": 197.4679,
        "delta_z": 1.0393
      },
      {
        "ch": 95.6888,
        "easting": 451917.3588,
        "northing": 6511370.3033,
        "existing_z": 196.8479,
        "design_z": 197.8997,
        "delta_z": 1.0518
      },
      {
        "ch": 100.0,
        "easting": 451921.5231,
        "northing": 6511369.1875,
        "existing_z": 197.2094,
        "design_z": 198.2398,
        "delta_z": 1.0305
      },
      {
        "ch": 110.0,
        "easting": 451931.1824,
        "northing": 6511366.5993,
        "existing_z": 198.1032,
        "design_z": 199.0287,
        "delta_z": 0.9255
      },
      {
        "ch": 120.0,
        "easting": 451940.8416,
        "northing": 6511364.0111,
        "existing_z": 199.0618,
        "design_z": 199.8176,
        "delta_z": 0.7557
      },
      {
        "ch": 130.0,
        "easting": 451950.5009,
        "northing": 6511361.4229,
        "existing_z": 200.0492,
        "design_z": 200.6064,
        "delta_z": 0.5572
      },
      {
        "ch": 140.0,
        "easting": 451960.1601,
        "northing": 6511358.8347,
        "existing_z": 201.086,
        "design_z": 201.3953,
        "delta_z": 0.3093
      },
      {
        "ch": 150.0,
        "easting": 451969.8194,
        "northing": 6511356.2465,
        "existing_z": 202.144,
        "design_z": 202.1841,
        "delta_z": 0.0401
      },
      {
        "ch": 151.3776,
        "easting": 451971.15,
        "northing": 6511355.89,
        "existing_z": 202.2928,
        "design_z": 202.2928,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD317",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 111.539,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.24,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450830.91,
          6511343.53
        ],
        "end": [
          450859.43656459224,
          6511377.442239872
        ],
        "chainage_start": 0,
        "length": 44.31483837911542
      },
      {
        "type": "ARC",
        "centre": [
          450825.0,
          6511406.409860056
        ],
        "radius": 45.0,
        "start_angle_rad": -0.6993558662602509,
        "sweep_rad": 0.6993558662535934,
        "start": [
          450859.43656459224,
          6511377.442239872
        ],
        "end": [
          450870.0,
          6511406.409860056
        ],
        "chainage_start": 44.31483837911542,
        "length": 31.4710139814117,
        "target_radius": 45,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          450870.0,
          6511406.409860056
        ],
        "end": [
          450870.0,
          6511424.658617592
        ],
        "chainage_start": 75.78585236052712,
        "length": 18.248757536523044
      },
      {
        "type": "ARC",
        "centre": [
          450857.1047621499,
          6511424.658617592
        ],
        "radius": 12.895237850080877,
        "start_angle_rad": 0.0,
        "sweep_rad": 0.7853981634103938,
        "start": [
          450870.0,
          6511424.658617592
        ],
        "end": [
          450866.2230722786,
          6511433.776927722
        ],
        "chainage_start": 94.03460989705016,
        "length": 10.127896124193716,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450866.2230722786,
          6511433.776927722
        ],
        "end": [
          450861.00731494906,
          6511438.992685051
        ],
        "chainage_start": 104.16250602124387,
        "length": 7.376194753113034
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 55.769350387178456,
        "pvi_z": 210.87942408050185,
        "bvc": 35.769350387178456,
        "evc": 75.76935038717846,
        "length": 40.0,
        "g1": 0.12238280624713754,
        "g2": 0.11814496869845335,
        "z_bvc": 208.4317679555591,
        "K_m_per_percent": 94.38776154225081
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450830.91,
        "northing": 6511343.53,
        "existing_z": 204.0542,
        "design_z": 204.0542,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450837.3472,
        "northing": 6511351.1826,
        "existing_z": 205.3931,
        "design_z": 205.278,
        "delta_z": -0.115
      },
      {
        "ch": 20.0,
        "easting": 450843.7845,
        "northing": 6511358.8351,
        "existing_z": 206.6483,
        "design_z": 206.5019,
        "delta_z": -0.1464
      },
      {
        "ch": 30.0,
        "easting": 450850.2217,
        "northing": 6511366.4877,
        "existing_z": 207.9109,
        "design_z": 207.7257,
        "delta_z": -0.1852
      },
      {
        "ch": 35.7694,
        "easting": 450853.9356,
        "northing": 6511370.9027,
        "existing_z": 208.6073,
        "design_z": 208.4318,
        "delta_z": -0.1756
      },
      {
        "ch": 40.0,
        "easting": 450856.659,
        "northing": 6511374.1403,
        "existing_z": 209.0915,
        "design_z": 208.9486,
        "delta_z": -0.1429
      },
      {
        "ch": 50.0,
        "easting": 450862.8121,
        "northing": 6511382.0122,
        "existing_z": 210.2415,
        "design_z": 210.1626,
        "delta_z": -0.0789
      },
      {
        "ch": 55.7694,
        "easting": 450865.6211,
        "northing": 6511387.0469,
        "existing_z": 210.9393,
        "design_z": 210.8582,
        "delta_z": -0.081
      },
      {
        "ch": 60.0,
        "easting": 450867.2595,
        "northing": 6511390.9458,
        "existing_z": 211.4595,
        "design_z": 211.3661,
        "delta_z": -0.0935
      },
      {
        "ch": 70.0,
        "easting": 450869.6286,
        "northing": 6511400.6399,
        "existing_z": 212.6673,
        "design_z": 212.5589,
        "delta_z": -0.1084
      },
      {
        "ch": 75.7694,
        "easting": 450870.0,
        "northing": 6511406.3934,
        "existing_z": 213.3568,
        "design_z": 213.2423,
        "delta_z": -0.1145
      },
      {
        "ch": 80.0,
        "easting": 450870.0,
        "northing": 6511410.624,
        "existing_z": 213.8595,
        "design_z": 213.7422,
        "delta_z": -0.1174
      },
      {
        "ch": 90.0,
        "easting": 450870.0,
        "northing": 6511420.624,
        "existing_z": 215.0506,
        "design_z": 214.9236,
        "delta_z": -0.127
      },
      {
        "ch": 100.0,
        "easting": 450868.6446,
        "northing": 6511430.4135,
        "existing_z": 216.2329,
        "design_z": 216.1051,
        "delta_z": -0.1278
      },
      {
        "ch": 110.0,
        "easting": 450862.0953,
        "northing": 6511437.9047,
        "existing_z": 217.2974,
        "design_z": 217.2865,
        "delta_z": -0.0109
      },
      {
        "ch": 111.5387,
        "easting": 450861.0073,
        "northing": 6511438.9927,
        "existing_z": 217.4683,
        "design_z": 217.4683,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD318",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 309.806,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.62,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450130.0,
          6511410.0
        ],
        "end": [
          450135.7942,
          6511404.2696
        ],
        "chainage_start": 0,
        "length": 8.149247682907985
      },
      {
        "type": "ARC",
        "centre": [
          450145.89117935667,
          6511414.478995119
        ],
        "radius": 14.358995118792361,
        "start_angle_rad": -2.3506585628372827,
        "sweep_rad": 0.7798622360498827,
        "start": [
          450135.7942,
          6511404.2696
        ],
        "end": [
          450145.89117935667,
          6511400.12
        ],
        "chainage_start": 8.149247682907985,
        "length": 11.198038040770761,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450145.8911793568,
          6511400.12
        ],
        "end": [
          450436.35,
          6511400.12
        ],
        "chainage_start": 19.347285723678745,
        "length": 290.4588206431945
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 77.4515265917183,
        "pvi_z": 233.56464721252877,
        "bvc": 57.451526591718306,
        "evc": 97.4515265917183,
        "length": 40.0,
        "g1": 0.11624480232050517,
        "g2": 0.061187734683669746,
        "z_bvc": 231.23975116611865,
        "K_m_per_percent": 7.265188960633706
      },
      {
        "pvi_ch": 154.9030531834366,
        "pvi_z": 238.30373067246802,
        "bvc": 134.9030531834366,
        "evc": 174.9030531834366,
        "length": 40.0,
        "g1": 0.061187734683669746,
        "g2": 0.07610501684966174,
        "z_bvc": 237.07997597879464,
        "K_m_per_percent": 26.81453602264821
      },
      {
        "pvi_ch": 232.35457977515492,
        "pvi_z": 244.19818040876277,
        "bvc": 212.35457977515492,
        "evc": 252.35457977515492,
        "length": 40.0,
        "g1": 0.07610501684966174,
        "g2": 0.09525828912830955,
        "z_bvc": 242.67608007176952,
        "K_m_per_percent": 20.884159854288843
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450130.0,
        "northing": 6511410.0,
        "existing_z": 224.5613,
        "design_z": 224.5613,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450137.1902,
        "northing": 6511403.0565,
        "existing_z": 226.7563,
        "design_z": 225.7238,
        "delta_z": -1.0326
      },
      {
        "ch": 20.0,
        "easting": 450146.5439,
        "northing": 6511400.12,
        "existing_z": 229.0317,
        "design_z": 226.8862,
        "delta_z": -2.1455
      },
      {
        "ch": 30.0,
        "easting": 450156.5439,
        "northing": 6511400.12,
        "existing_z": 230.6744,
        "design_z": 228.0487,
        "delta_z": -2.6258
      },
      {
        "ch": 40.0,
        "easting": 450166.5439,
        "northing": 6511400.12,
        "existing_z": 232.0228,
        "design_z": 229.2111,
        "delta_z": -2.8117
      },
      {
        "ch": 50.0,
        "easting": 450176.5439,
        "northing": 6511400.12,
        "existing_z": 233.0009,
        "design_z": 230.3735,
        "delta_z": -2.6274
      },
      {
        "ch": 57.4515,
        "easting": 450183.9954,
        "northing": 6511400.12,
        "existing_z": 233.5842,
        "design_z": 231.2398,
        "delta_z": -2.3444
      },
      {
        "ch": 60.0,
        "easting": 450186.5439,
        "northing": 6511400.12,
        "existing_z": 233.7836,
        "design_z": 231.5315,
        "delta_z": -2.2521
      },
      {
        "ch": 70.0,
        "easting": 450196.5439,
        "northing": 6511400.12,
        "existing_z": 234.3811,
        "design_z": 232.5901,
        "delta_z": -1.7911
      },
      {
        "ch": 77.4515,
        "easting": 450203.9954,
        "northing": 6511400.12,
        "existing_z": 234.7535,
        "design_z": 233.2894,
        "delta_z": -1.4641
      },
      {
        "ch": 80.0,
        "easting": 450206.5439,
        "northing": 6511400.12,
        "existing_z": 234.8808,
        "design_z": 233.511,
        "delta_z": -1.3698
      },
      {
        "ch": 90.0,
        "easting": 450216.5439,
        "northing": 6511400.12,
        "existing_z": 235.2684,
        "design_z": 234.2942,
        "delta_z": -0.9742
      },
      {
        "ch": 97.4515,
        "easting": 450223.9954,
        "northing": 6511400.12,
        "existing_z": 235.5132,
        "design_z": 234.7884,
        "delta_z": -0.7248
      },
      {
        "ch": 100.0,
        "easting": 450226.5439,
        "northing": 6511400.12,
        "existing_z": 235.5969,
        "design_z": 234.9443,
        "delta_z": -0.6525
      },
      {
        "ch": 110.0,
        "easting": 450236.5439,
        "northing": 6511400.12,
        "existing_z": 235.8452,
        "design_z": 235.5562,
        "delta_z": -0.289
      },
      {
        "ch": 120.0,
        "easting": 450246.5439,
        "northing": 6511400.12,
        "existing_z": 236.0512,
        "design_z": 236.1681,
        "delta_z": 0.1169
      },
      {
        "ch": 130.0,
        "easting": 450256.5439,
        "northing": 6511400.12,
        "existing_z": 236.4287,
        "design_z": 236.78,
        "delta_z": 0.3512
      },
      {
        "ch": 134.9031,
        "easting": 450261.4469,
        "northing": 6511400.12,
        "existing_z": 236.6582,
        "design_z": 237.08,
        "delta_z": 0.4218
      },
      {
        "ch": 140.0,
        "easting": 450266.5439,
        "northing": 6511400.12,
        "existing_z": 236.8968,
        "design_z": 237.3967,
        "delta_z": 0.4999
      },
      {
        "ch": 150.0,
        "easting": 450276.5439,
        "northing": 6511400.12,
        "existing_z": 237.4702,
        "design_z": 238.0462,
        "delta_z": 0.576
      },
      {
        "ch": 154.9031,
        "easting": 450281.4469,
        "northing": 6511400.12,
        "existing_z": 237.7786,
        "design_z": 238.3783,
        "delta_z": 0.5997
      },
      {
        "ch": 160.0,
        "easting": 450286.5439,
        "northing": 6511400.12,
        "existing_z": 238.0992,
        "design_z": 238.733,
        "delta_z": 0.6338
      },
      {
        "ch": 170.0,
        "easting": 450296.5439,
        "northing": 6511400.12,
        "existing_z": 238.7618,
        "design_z": 239.4572,
        "delta_z": 0.6954
      },
      {
        "ch": 174.9031,
        "easting": 450301.4469,
        "northing": 6511400.12,
        "existing_z": 239.0953,
        "design_z": 239.8258,
        "delta_z": 0.7305
      },
      {
        "ch": 180.0,
        "easting": 450306.5439,
        "northing": 6511400.12,
        "existing_z": 239.442,
        "design_z": 240.2137,
        "delta_z": 0.7717
      },
      {
        "ch": 190.0,
        "easting": 450316.5439,
        "northing": 6511400.12,
        "existing_z": 240.1804,
        "design_z": 240.9748,
        "delta_z": 0.7944
      },
      {
        "ch": 200.0,
        "easting": 450326.5439,
        "northing": 6511400.12,
        "existing_z": 240.9495,
        "design_z": 241.7358,
        "delta_z": 0.7863
      },
      {
        "ch": 210.0,
        "easting": 450336.5439,
        "northing": 6511400.12,
        "existing_z": 241.8116,
        "design_z": 242.4969,
        "delta_z": 0.6853
      },
      {
        "ch": 212.3546,
        "easting": 450338.8985,
        "northing": 6511400.12,
        "existing_z": 242.0262,
        "design_z": 242.6761,
        "delta_z": 0.6499
      },
      {
        "ch": 220.0,
        "easting": 450346.5439,
        "northing": 6511400.12,
        "existing_z": 242.7229,
        "design_z": 243.2719,
        "delta_z": 0.549
      },
      {
        "ch": 230.0,
        "easting": 450356.5439,
        "northing": 6511400.12,
        "existing_z": 243.7213,
        "design_z": 244.0935,
        "delta_z": 0.3722
      },
      {
        "ch": 232.3546,
        "easting": 450358.8985,
        "northing": 6511400.12,
        "existing_z": 243.9672,
        "design_z": 244.2939,
        "delta_z": 0.3267
      },
      {
        "ch": 240.0,
        "easting": 450366.5439,
        "northing": 6511400.12,
        "existing_z": 244.7657,
        "design_z": 244.963,
        "delta_z": 0.1973
      },
      {
        "ch": 250.0,
        "easting": 450376.5439,
        "northing": 6511400.12,
        "existing_z": 245.8642,
        "design_z": 245.8804,
        "delta_z": 0.0162
      },
      {
        "ch": 252.3546,
        "easting": 450378.8985,
        "northing": 6511400.12,
        "existing_z": 246.1296,
        "design_z": 246.1033,
        "delta_z": -0.0262
      },
      {
        "ch": 260.0,
        "easting": 450386.5439,
        "northing": 6511400.12,
        "existing_z": 246.9913,
        "design_z": 246.8316,
        "delta_z": -0.1596
      },
      {
        "ch": 270.0,
        "easting": 450396.5439,
        "northing": 6511400.12,
        "existing_z": 248.0829,
        "design_z": 247.7842,
        "delta_z": -0.2987
      },
      {
        "ch": 280.0,
        "easting": 450406.5439,
        "northing": 6511400.12,
        "existing_z": 249.1559,
        "design_z": 248.7368,
        "delta_z": -0.4191
      },
      {
        "ch": 290.0,
        "easting": 450416.5439,
        "northing": 6511400.12,
        "existing_z": 250.1089,
        "design_z": 249.6894,
        "delta_z": -0.4196
      },
      {
        "ch": 300.0,
        "easting": 450426.5439,
        "northing": 6511400.12,
        "existing_z": 250.9987,
        "design_z": 250.642,
        "delta_z": -0.3567
      },
      {
        "ch": 309.8061,
        "easting": 450436.35,
        "northing": 6511400.12,
        "existing_z": 251.5761,
        "design_z": 251.5761,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD319",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 337.175,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 20.09,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449799.99,
          6511400.12
        ],
        "end": [
          449872.7807136246,
          6511400.12
        ],
        "chainage_start": 0,
        "length": 72.79071362462128
      },
      {
        "type": "ARC",
        "centre": [
          449872.7807136246,
          6511445.12
        ],
        "radius": 45.0,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.3181462448110534,
        "start": [
          449872.7807136246,
          6511400.12
        ],
        "end": [
          449886.85700032196,
          6511402.378238773
        ],
        "chainage_start": 72.79071362462128,
        "length": 14.316581016497404,
        "target_radius": 45,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          449886.85700032196,
          6511402.378238773
        ],
        "end": [
          449904.3949600217,
          6511408.1540735
        ],
        "chainage_start": 87.10729464111868,
        "length": 18.464568698588785
      },
      {
        "type": "ARC",
        "centre": [
          449907.4124815413,
          6511398.991558764
        ],
        "radius": 9.646611446576369,
        "start_angle_rad": 1.888942571595403,
        "sweep_rad": -1.098008480860936,
        "start": [
          449904.3949600217,
          6511408.1540735
        ],
        "end": [
          449914.1958,
          6511405.8504
        ],
        "chainage_start": 105.57186333970748,
        "length": 10.592061179911035,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449914.19580000004,
          6511405.850399999
        ],
        "end": [
          449915.7942,
          6511404.2696
        ],
        "chainage_start": 116.16392451961852,
        "length": 2.248068325431345
      },
      {
        "type": "ARC",
        "centre": [
          449925.89117935667,
          6511414.478995119
        ],
        "radius": 14.358995118792361,
        "start_angle_rad": -2.3506585628372827,
        "sweep_rad": 0.7798622360498827,
        "start": [
          449915.7942,
          6511404.2696
        ],
        "end": [
          449925.89117935667,
          6511400.12
        ],
        "chainage_start": 118.41199284504987,
        "length": 11.198038040770761,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449925.8911793568,
          6511400.12
        ],
        "end": [
          450114.10882064333,
          6511400.12
        ],
        "chainage_start": 129.61003088582063,
        "length": 188.21764128655195
      },
      {
        "type": "ARC",
        "centre": [
          450114.10882064333,
          6511414.478995119
        ],
        "radius": 14.358995118792361,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7798622360498827,
        "start": [
          450114.10882064333,
          6511400.12
        ],
        "end": [
          450124.2058,
          6511404.2696
        ],
        "chainage_start": 317.82767217237256,
        "length": 11.198038040770761,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450124.2058,
          6511404.2696
        ],
        "end": [
          450130.0,
          6511410.0
        ],
        "chainage_start": 329.0257102131433,
        "length": 8.149247682907985
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 67.43499157921026,
        "pvi_z": 178.54503496796727,
        "bvc": 43.33439452544528,
        "evc": 91.53558863297525,
        "length": 48.20119410752996,
        "g1": 0.12054556002784841,
        "g2": 0.20088088354039835,
        "z_bvc": 175.63981499911566,
        "K_m_per_percent": 5.999999999999999
      },
      {
        "pvi_ch": 134.86998315842052,
        "pvi_z": 192.09143565793835,
        "bvc": 114.86998315842052,
        "evc": 154.86998315842052,
        "length": 40.0,
        "g1": 0.20088088354039835,
        "g2": 0.16936746460524324,
        "z_bvc": 188.07381798713038,
        "K_m_per_percent": 12.693005504197325
      },
      {
        "pvi_ch": 202.3049747376308,
        "pvi_z": 203.51272920738512,
        "bvc": 182.3049747376308,
        "evc": 222.3049747376308,
        "length": 40.0,
        "g1": 0.16936746460524324,
        "g2": 0.1509391339482017,
        "z_bvc": 200.12537991528026,
        "K_m_per_percent": 21.70570994433281
      },
      {
        "pvi_ch": 269.73996631684105,
        "pvi_z": 213.6913084341554,
        "bvc": 249.73996631684105,
        "evc": 289.73996631684105,
        "length": 40.0,
        "g1": 0.1509391339482017,
        "g2": 0.16119229980965674,
        "z_bvc": 210.67252575519134,
        "K_m_per_percent": 39.012340715537285
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449799.99,
        "northing": 6511400.12,
        "existing_z": 170.416,
        "design_z": 170.416,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449809.99,
        "northing": 6511400.12,
        "existing_z": 170.734,
        "design_z": 171.6215,
        "delta_z": 0.8875
      },
      {
        "ch": 20.0,
        "easting": 449819.99,
        "northing": 6511400.12,
        "existing_z": 171.1635,
        "design_z": 172.827,
        "delta_z": 1.6634
      },
      {
        "ch": 30.0,
        "easting": 449829.99,
        "northing": 6511400.12,
        "existing_z": 171.5931,
        "design_z": 174.0324,
        "delta_z": 2.4393
      },
      {
        "ch": 40.0,
        "easting": 449839.99,
        "northing": 6511400.12,
        "existing_z": 172.5578,
        "design_z": 175.2379,
        "delta_z": 2.68
      },
      {
        "ch": 43.3344,
        "easting": 449843.3244,
        "northing": 6511400.12,
        "existing_z": 172.8797,
        "design_z": 175.6398,
        "delta_z": 2.7601
      },
      {
        "ch": 50.0,
        "easting": 449849.99,
        "northing": 6511400.12,
        "existing_z": 173.5231,
        "design_z": 176.4803,
        "delta_z": 2.9572
      },
      {
        "ch": 60.0,
        "easting": 449859.99,
        "northing": 6511400.12,
        "existing_z": 175.4615,
        "design_z": 177.8802,
        "delta_z": 2.4188
      },
      {
        "ch": 67.435,
        "easting": 449867.425,
        "northing": 6511400.12,
        "existing_z": 176.9033,
        "design_z": 179.0291,
        "delta_z": 2.1257
      },
      {
        "ch": 70.0,
        "easting": 449869.99,
        "northing": 6511400.12,
        "existing_z": 177.4008,
        "design_z": 179.4468,
        "delta_z": 2.046
      },
      {
        "ch": 80.0,
        "easting": 449879.9592,
        "northing": 6511400.6963,
        "existing_z": 180.249,
        "design_z": 181.18,
        "delta_z": 0.931
      },
      {
        "ch": 90.0,
        "easting": 449889.6045,
        "northing": 6511403.2831,
        "existing_z": 183.1117,
        "design_z": 183.0799,
        "delta_z": -0.0318
      },
      {
        "ch": 91.5356,
        "easting": 449891.0631,
        "northing": 6511403.7634,
        "existing_z": 183.5446,
        "design_z": 183.3864,
        "delta_z": -0.1583
      },
      {
        "ch": 100.0,
        "easting": 449899.1027,
        "northing": 6511406.4112,
        "existing_z": 185.9434,
        "design_z": 185.0867,
        "delta_z": -0.8567
      },
      {
        "ch": 110.0,
        "easting": 449908.7671,
        "northing": 6511408.5426,
        "existing_z": 188.8237,
        "design_z": 187.0955,
        "delta_z": -1.7282
      },
      {
        "ch": 114.87,
        "easting": 449913.2176,
        "northing": 6511406.6959,
        "existing_z": 189.7128,
        "design_z": 188.0738,
        "delta_z": -1.639
      },
      {
        "ch": 120.0,
        "easting": 449916.9827,
        "northing": 6511403.2176,
        "existing_z": 190.2593,
        "design_z": 189.094,
        "delta_z": -1.1653
      },
      {
        "ch": 130.0,
        "easting": 449926.2811,
        "northing": 6511400.12,
        "existing_z": 192.0134,
        "design_z": 191.023,
        "delta_z": -0.9905
      },
      {
        "ch": 134.87,
        "easting": 449931.1511,
        "northing": 6511400.12,
        "existing_z": 192.9945,
        "design_z": 191.9339,
        "delta_z": -1.0606
      },
      {
        "ch": 140.0,
        "easting": 449936.2811,
        "northing": 6511400.12,
        "existing_z": 193.864,
        "design_z": 192.8732,
        "delta_z": -0.9908
      },
      {
        "ch": 150.0,
        "easting": 449946.2811,
        "northing": 6511400.12,
        "existing_z": 195.5588,
        "design_z": 194.6446,
        "delta_z": -0.9142
      },
      {
        "ch": 154.87,
        "easting": 449951.1511,
        "northing": 6511400.12,
        "existing_z": 196.3743,
        "design_z": 195.4788,
        "delta_z": -0.8955
      },
      {
        "ch": 160.0,
        "easting": 449956.2811,
        "northing": 6511400.12,
        "existing_z": 197.1996,
        "design_z": 196.3476,
        "delta_z": -0.852
      },
      {
        "ch": 170.0,
        "easting": 449966.2811,
        "northing": 6511400.12,
        "existing_z": 198.8085,
        "design_z": 198.0413,
        "delta_z": -0.7671
      },
      {
        "ch": 180.0,
        "easting": 449976.2811,
        "northing": 6511400.12,
        "existing_z": 200.3434,
        "design_z": 199.735,
        "delta_z": -0.6084
      },
      {
        "ch": 182.305,
        "easting": 449978.5861,
        "northing": 6511400.12,
        "existing_z": 200.6871,
        "design_z": 200.1254,
        "delta_z": -0.5618
      },
      {
        "ch": 190.0,
        "easting": 449986.2811,
        "northing": 6511400.12,
        "existing_z": 201.8347,
        "design_z": 201.415,
        "delta_z": -0.4196
      },
      {
        "ch": 200.0,
        "easting": 449996.2811,
        "northing": 6511400.12,
        "existing_z": 203.3201,
        "design_z": 203.0502,
        "delta_z": -0.2699
      },
      {
        "ch": 202.305,
        "easting": 449998.5861,
        "northing": 6511400.12,
        "existing_z": 203.6617,
        "design_z": 203.4206,
        "delta_z": -0.2411
      },
      {
        "ch": 210.0,
        "easting": 450006.2811,
        "northing": 6511400.12,
        "existing_z": 204.8021,
        "design_z": 204.6393,
        "delta_z": -0.1628
      },
      {
        "ch": 220.0,
        "easting": 450016.2811,
        "northing": 6511400.12,
        "existing_z": 206.2913,
        "design_z": 206.1824,
        "delta_z": -0.1089
      },
      {
        "ch": 222.305,
        "easting": 450018.5861,
        "northing": 6511400.12,
        "existing_z": 206.6355,
        "design_z": 206.5315,
        "delta_z": -0.104
      },
      {
        "ch": 230.0,
        "easting": 450026.2811,
        "northing": 6511400.12,
        "existing_z": 207.7848,
        "design_z": 207.693,
        "delta_z": -0.0918
      },
      {
        "ch": 240.0,
        "easting": 450036.2811,
        "northing": 6511400.12,
        "existing_z": 209.2695,
        "design_z": 209.2024,
        "delta_z": -0.0672
      },
      {
        "ch": 249.74,
        "easting": 450046.0211,
        "northing": 6511400.12,
        "existing_z": 210.7108,
        "design_z": 210.6725,
        "delta_z": -0.0382
      },
      {
        "ch": 250.0,
        "easting": 450046.2811,
        "northing": 6511400.12,
        "existing_z": 210.7492,
        "design_z": 210.7118,
        "delta_z": -0.0375
      },
      {
        "ch": 260.0,
        "easting": 450056.2811,
        "northing": 6511400.12,
        "existing_z": 212.17,
        "design_z": 212.2347,
        "delta_z": 0.0647
      },
      {
        "ch": 269.74,
        "easting": 450066.0211,
        "northing": 6511400.12,
        "existing_z": 213.5197,
        "design_z": 213.7426,
        "delta_z": 0.2228
      },
      {
        "ch": 270.0,
        "easting": 450066.2811,
        "northing": 6511400.12,
        "existing_z": 213.5558,
        "design_z": 213.7832,
        "delta_z": 0.2274
      },
      {
        "ch": 280.0,
        "easting": 450076.2811,
        "northing": 6511400.12,
        "existing_z": 214.9587,
        "design_z": 215.3573,
        "delta_z": 0.3986
      },
      {
        "ch": 289.74,
        "easting": 450086.0211,
        "northing": 6511400.12,
        "existing_z": 216.335,
        "design_z": 216.9152,
        "delta_z": 0.5801
      },
      {
        "ch": 290.0,
        "easting": 450086.2811,
        "northing": 6511400.12,
        "existing_z": 216.3717,
        "design_z": 216.9571,
        "delta_z": 0.5853
      },
      {
        "ch": 300.0,
        "easting": 450096.2811,
        "northing": 6511400.12,
        "existing_z": 218.0576,
        "design_z": 218.569,
        "delta_z": 0.5114
      },
      {
        "ch": 310.0,
        "easting": 450106.2811,
        "northing": 6511400.12,
        "existing_z": 219.905,
        "design_z": 220.1809,
        "delta_z": 0.2759
      },
      {
        "ch": 320.0,
        "easting": 450116.2729,
        "northing": 6511400.284,
        "existing_z": 222.0824,
        "design_z": 221.7928,
        "delta_z": -0.2895
      },
      {
        "ch": 330.0,
        "easting": 450124.8985,
        "northing": 6511404.9547,
        "existing_z": 223.7477,
        "design_z": 223.4048,
        "delta_z": -0.343
      },
      {
        "ch": 337.175,
        "easting": 450130.0,
        "northing": 6511410.0,
        "existing_z": 224.5613,
        "design_z": 224.5613,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD320",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 256.035,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 9.23,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451630.9105542419,
          6511343.532067757
        ],
        "end": [
          451645.9264327816,
          6511399.553068458
        ],
        "chainage_start": 0,
        "length": 57.99852694561292
      },
      {
        "type": "ARC",
        "centre": [
          451686.4967872012,
          6511388.678583771
        ],
        "radius": 42.00247700959106,
        "start_angle_rad": 2.8797083846889366,
        "sweep_rad": -1.5707119543022139,
        "start": [
          451645.9264327816,
          6511399.553068458
        ],
        "end": [
          451697.3678488276,
          6511429.249855554
        ],
        "chainage_start": 57.99852694561292,
        "length": 65.97379274926858,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451697.3678488277,
          6511429.249855554
        ],
        "end": [
          451824.9305318966,
          6511395.069468103
        ],
        "chainage_start": 123.9723196948815,
        "length": 132.0626252881508
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 64.00873624575807,
        "pvi_z": 208.0709703650961,
        "bvc": 44.00873624575807,
        "evc": 84.00873624575807,
        "length": 40.0,
        "g1": 0.003211087078006422,
        "g2": -0.04672560458979975,
        "z_bvc": 208.00674862353597,
        "K_m_per_percent": 8.010142174834485
      },
      {
        "pvi_ch": 128.01747249151614,
        "pvi_z": 205.080123464984,
        "bvc": 108.01747249151614,
        "evc": 148.01747249151614,
        "length": 40.0,
        "g1": -0.04672560458979975,
        "g2": -0.08842844570211679,
        "z_bvc": 206.01463555678,
        "K_m_per_percent": 9.591672637427548
      },
      {
        "pvi_ch": 192.0262087372742,
        "pvi_z": 199.41993040741488,
        "bvc": 172.0262087372742,
        "evc": 212.0262087372742,
        "length": 40.0,
        "g1": -0.08842844570211679,
        "g2": -0.092294387121431,
        "z_bvc": 201.18849932145721,
        "K_m_per_percent": 103.46768267144553
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451630.9106,
        "northing": 6511343.5321,
        "existing_z": 207.8654,
        "design_z": 207.8654,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451633.4996,
        "northing": 6511353.1911,
        "existing_z": 207.9772,
        "design_z": 207.8975,
        "delta_z": -0.0796
      },
      {
        "ch": 20.0,
        "easting": 451636.0886,
        "northing": 6511362.8501,
        "existing_z": 208.0842,
        "design_z": 207.9297,
        "delta_z": -0.1545
      },
      {
        "ch": 30.0,
        "easting": 451638.6776,
        "northing": 6511372.5092,
        "existing_z": 208.1994,
        "design_z": 207.9618,
        "delta_z": -0.2376
      },
      {
        "ch": 40.0,
        "easting": 451641.2666,
        "northing": 6511382.1682,
        "existing_z": 208.3521,
        "design_z": 207.9939,
        "delta_z": -0.3582
      },
      {
        "ch": 44.0087,
        "easting": 451642.3045,
        "northing": 6511386.0403,
        "existing_z": 208.4136,
        "design_z": 208.0067,
        "delta_z": -0.4068
      },
      {
        "ch": 50.0,
        "easting": 451643.8556,
        "northing": 6511391.8273,
        "existing_z": 208.5153,
        "design_z": 208.0036,
        "delta_z": -0.5118
      },
      {
        "ch": 60.0,
        "easting": 451646.4905,
        "northing": 6511401.4732,
        "existing_z": 208.7169,
        "design_z": 207.8985,
        "delta_z": -0.8185
      },
      {
        "ch": 64.0087,
        "easting": 451647.8918,
        "northing": 6511405.2274,
        "existing_z": 208.7659,
        "design_z": 207.8213,
        "delta_z": -0.9446
      },
      {
        "ch": 70.0,
        "easting": 451650.6364,
        "northing": 6511410.5473,
        "existing_z": 208.7781,
        "design_z": 207.6685,
        "delta_z": -1.1096
      },
      {
        "ch": 80.0,
        "easting": 451656.8055,
        "northing": 6511418.3877,
        "existing_z": 208.676,
        "design_z": 207.3137,
        "delta_z": -1.3622
      },
      {
        "ch": 84.0087,
        "easting": 451659.7717,
        "northing": 6511421.082,
        "existing_z": 208.5751,
        "design_z": 207.1365,
        "delta_z": -1.4386
      },
      {
        "ch": 90.0,
        "easting": 451664.6495,
        "northing": 6511424.5521,
        "existing_z": 208.3628,
        "design_z": 206.8565,
        "delta_z": -1.5062
      },
      {
        "ch": 100.0,
        "easting": 451673.7261,
        "northing": 6511428.6926,
        "existing_z": 207.8549,
        "design_z": 206.3893,
        "delta_z": -1.4656
      },
      {
        "ch": 108.0175,
        "easting": 451681.5497,
        "northing": 6511430.3887,
        "existing_z": 207.3213,
        "design_z": 206.0146,
        "delta_z": -1.3067
      },
      {
        "ch": 110.0,
        "easting": 451683.5232,
        "northing": 6511430.5757,
        "existing_z": 207.1739,
        "design_z": 205.92,
        "delta_z": -1.254
      },
      {
        "ch": 120.0,
        "easting": 451693.488,
        "northing": 6511430.0951,
        "existing_z": 206.3513,
        "design_z": 205.3799,
        "delta_z": -0.9714
      },
      {
        "ch": 128.0175,
        "easting": 451701.2752,
        "northing": 6511428.2029,
        "existing_z": 205.6284,
        "design_z": 204.8716,
        "delta_z": -0.7568
      },
      {
        "ch": 130.0,
        "easting": 451703.1901,
        "northing": 6511427.6898,
        "existing_z": 205.4485,
        "design_z": 204.7356,
        "delta_z": -0.7129
      },
      {
        "ch": 140.0,
        "easting": 451712.8494,
        "northing": 6511425.1016,
        "existing_z": 204.5308,
        "design_z": 203.987,
        "delta_z": -0.5437
      },
      {
        "ch": 148.0175,
        "easting": 451720.5937,
        "northing": 6511423.0265,
        "existing_z": 203.7744,
        "design_z": 203.3116,
        "delta_z": -0.4628
      },
      {
        "ch": 150.0,
        "easting": 451722.5087,
        "northing": 6511422.5134,
        "existing_z": 203.5878,
        "design_z": 203.1362,
        "delta_z": -0.4516
      },
      {
        "ch": 160.0,
        "easting": 451732.1679,
        "northing": 6511419.9252,
        "existing_z": 202.6314,
        "design_z": 202.252,
        "delta_z": -0.3794
      },
      {
        "ch": 170.0,
        "easting": 451741.8272,
        "northing": 6511417.337,
        "existing_z": 201.6177,
        "design_z": 201.3677,
        "delta_z": -0.25
      },
      {
        "ch": 172.0262,
        "easting": 451743.7843,
        "northing": 6511416.8126,
        "existing_z": 201.4131,
        "design_z": 201.1885,
        "delta_z": -0.2246
      },
      {
        "ch": 180.0,
        "easting": 451751.4864,
        "northing": 6511414.7488,
        "existing_z": 200.6019,
        "design_z": 200.4803,
        "delta_z": -0.1216
      },
      {
        "ch": 190.0,
        "easting": 451761.1457,
        "northing": 6511412.1606,
        "existing_z": 199.5449,
        "design_z": 199.5835,
        "delta_z": 0.0386
      },
      {
        "ch": 192.0262,
        "easting": 451763.1028,
        "northing": 6511411.6362,
        "existing_z": 199.3316,
        "design_z": 199.4006,
        "delta_z": 0.069
      },
      {
        "ch": 200.0,
        "easting": 451770.8049,
        "northing": 6511409.5724,
        "existing_z": 198.4949,
        "design_z": 198.677,
        "delta_z": 0.1821
      },
      {
        "ch": 210.0,
        "easting": 451780.4642,
        "northing": 6511406.9842,
        "existing_z": 197.4516,
        "design_z": 197.7609,
        "delta_z": 0.3093
      },
      {
        "ch": 212.0262,
        "easting": 451782.4214,
        "northing": 6511406.4598,
        "existing_z": 197.2412,
        "design_z": 197.574,
        "delta_z": 0.3328
      },
      {
        "ch": 220.0,
        "easting": 451790.1235,
        "northing": 6511404.396,
        "existing_z": 196.4181,
        "design_z": 196.8381,
        "delta_z": 0.42
      },
      {
        "ch": 230.0,
        "easting": 451799.7827,
        "northing": 6511401.8078,
        "existing_z": 195.4838,
        "design_z": 195.9152,
        "delta_z": 0.4313
      },
      {
        "ch": 240.0,
        "easting": 451809.442,
        "northing": 6511399.2196,
        "existing_z": 194.5335,
        "design_z": 194.9922,
        "delta_z": 0.4587
      },
      {
        "ch": 250.0,
        "easting": 451819.1012,
        "northing": 6511396.6314,
        "existing_z": 193.912,
        "design_z": 194.0693,
        "delta_z": 0.1572
      },
      {
        "ch": 256.0349,
        "easting": 451824.9305,
        "northing": 6511395.0695,
        "existing_z": 193.5123,
        "design_z": 193.5123,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD321",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 63.682,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.43,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449464.97,
          6511440.12
        ],
        "end": [
          449510.0,
          6511395.09
        ],
        "chainage_start": 0,
        "length": 63.68203671386462
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449464.97,
        "northing": 6511440.12,
        "existing_z": 164.1489,
        "design_z": 164.1489,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449472.0411,
        "northing": 6511433.0489,
        "existing_z": 163.5518,
        "design_z": 163.6056,
        "delta_z": 0.0539
      },
      {
        "ch": 20.0,
        "easting": 449479.1121,
        "northing": 6511425.9779,
        "existing_z": 163.022,
        "design_z": 163.0624,
        "delta_z": 0.0404
      },
      {
        "ch": 30.0,
        "easting": 449486.1832,
        "northing": 6511418.9068,
        "existing_z": 162.4765,
        "design_z": 162.5192,
        "delta_z": 0.0427
      },
      {
        "ch": 40.0,
        "easting": 449493.2543,
        "northing": 6511411.8357,
        "existing_z": 161.8773,
        "design_z": 161.976,
        "delta_z": 0.0986
      },
      {
        "ch": 50.0,
        "easting": 449500.3253,
        "northing": 6511404.7647,
        "existing_z": 161.3757,
        "design_z": 161.4327,
        "delta_z": 0.057
      },
      {
        "ch": 60.0,
        "easting": 449507.3964,
        "northing": 6511397.6936,
        "existing_z": 160.882,
        "design_z": 160.8895,
        "delta_z": 0.0075
      },
      {
        "ch": 63.682,
        "easting": 449510.0,
        "northing": 6511395.09,
        "existing_z": 160.6895,
        "design_z": 160.6895,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD322",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 102.826,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 19.32,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450861.00731494906,
          6511438.992685051
        ],
        "end": [
          450960.33,
          6511412.38
        ],
        "chainage_start": 0,
        "length": 102.82621636209628
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 51.41310818104814,
        "pvi_z": 211.47116881841077,
        "bvc": 28.43637805052672,
        "evc": 74.38983831156955,
        "length": 45.953460261042835,
        "g1": -0.11664580551712309,
        "g2": -0.19323490595219447,
        "z_bvc": 214.15130801263498,
        "K_m_per_percent": 6.0
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450861.0073,
        "northing": 6511438.9927,
        "existing_z": 217.4683,
        "design_z": 217.4683,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450870.6666,
        "northing": 6511436.4046,
        "existing_z": 216.8881,
        "design_z": 216.3018,
        "delta_z": -0.5863
      },
      {
        "ch": 20.0,
        "easting": 450880.3259,
        "northing": 6511433.8164,
        "existing_z": 216.008,
        "design_z": 215.1354,
        "delta_z": -0.8727
      },
      {
        "ch": 28.4364,
        "easting": 450888.4748,
        "northing": 6511431.633,
        "existing_z": 215.3274,
        "design_z": 214.1513,
        "delta_z": -1.1761
      },
      {
        "ch": 30.0,
        "easting": 450889.9851,
        "northing": 6511431.2283,
        "existing_z": 215.2074,
        "design_z": 213.9669,
        "delta_z": -1.2405
      },
      {
        "ch": 40.0,
        "easting": 450899.6444,
        "northing": 6511428.6402,
        "existing_z": 213.9444,
        "design_z": 212.691,
        "delta_z": -1.2533
      },
      {
        "ch": 50.0,
        "easting": 450909.3037,
        "northing": 6511426.0521,
        "existing_z": 212.6888,
        "design_z": 211.2485,
        "delta_z": -1.4403
      },
      {
        "ch": 51.4131,
        "easting": 450910.6687,
        "northing": 6511425.6863,
        "existing_z": 212.4683,
        "design_z": 211.0312,
        "delta_z": -1.437
      },
      {
        "ch": 60.0,
        "easting": 450918.963,
        "northing": 6511423.4639,
        "existing_z": 210.8421,
        "design_z": 209.6393,
        "delta_z": -1.2028
      },
      {
        "ch": 70.0,
        "easting": 450928.6223,
        "northing": 6511420.8758,
        "existing_z": 208.9391,
        "design_z": 207.8635,
        "delta_z": -1.0756
      },
      {
        "ch": 74.3898,
        "easting": 450932.8625,
        "northing": 6511419.7397,
        "existing_z": 207.9895,
        "design_z": 207.0313,
        "delta_z": -0.9582
      },
      {
        "ch": 80.0,
        "easting": 450938.2815,
        "northing": 6511418.2877,
        "existing_z": 206.7076,
        "design_z": 205.9472,
        "delta_z": -0.7604
      },
      {
        "ch": 90.0,
        "easting": 450947.9408,
        "northing": 6511415.6996,
        "existing_z": 204.4237,
        "design_z": 204.0148,
        "delta_z": -0.4089
      },
      {
        "ch": 100.0,
        "easting": 450957.6001,
        "northing": 6511413.1115,
        "existing_z": 202.1693,
        "design_z": 202.0825,
        "delta_z": -0.0869
      },
      {
        "ch": 102.8262,
        "easting": 450960.33,
        "northing": 6511412.38,
        "existing_z": 201.5364,
        "design_z": 201.5364,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD323",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 84.346,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 6.44,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451806.92958490556,
          6511473.0704150945
        ],
        "end": [
          451808.71042566036,
          6511471.28957434
        ],
        "chainage_start": 0,
        "length": 2.518489147659119
      },
      {
        "type": "ARC",
        "centre": [
          451805.59711779974,
          6511468.176266479
        ],
        "radius": 4.402882200267785,
        "start_angle_rad": 0.7853981634067965,
        "sweep_rad": -0.7853981633879694,
        "start": [
          451808.71042566036,
          6511471.28957434
        ],
        "end": [
          451810.0,
          6511468.176266479
        ],
        "chainage_start": 2.518489147659119,
        "length": 3.4580155937039003,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451810.0,
          6511468.176266479
        ],
        "end": [
          451810.0,
          6511418.868283494
        ],
        "chainage_start": 5.976504741363019,
        "length": 49.30798298493028
      },
      {
        "type": "ARC",
        "centre": [
          451831.4099302879,
          6511418.868283494
        ],
        "radius": 21.409930287912758,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.785398163395499,
        "start": [
          451810.0,
          6511418.868283494
        ],
        "end": [
          451816.27082339657,
          6511403.729176603
        ],
        "chainage_start": 55.28448772629329,
        "length": 16.815319926552345,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451816.27082339657,
          6511403.729176603
        ],
        "end": [
          451824.9305318966,
          6511395.069468103
        ],
        "chainage_start": 72.09980765284564,
        "length": 12.246677206850414
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 42.17324242984803,
        "pvi_z": 196.22964832059563,
        "bvc": 23.195283336416416,
        "evc": 61.151201523279646,
        "length": 37.95591818686323,
        "g1": -0.05918839422632705,
        "g2": -0.06443339043518995,
        "z_bvc": 197.35292324502876,
        "K_m_per_percent": 72.36595924078276
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451806.9296,
        "northing": 6511473.0704,
        "existing_z": 198.7258,
        "design_z": 198.7258,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451810.0,
        "northing": 6511464.1528,
        "existing_z": 198.1333,
        "design_z": 198.1339,
        "delta_z": 0.0006
      },
      {
        "ch": 20.0,
        "easting": 451810.0,
        "northing": 6511454.1528,
        "existing_z": 197.6042,
        "design_z": 197.542,
        "delta_z": -0.0622
      },
      {
        "ch": 23.1953,
        "easting": 451810.0,
        "northing": 6511450.9575,
        "existing_z": 197.4352,
        "design_z": 197.3529,
        "delta_z": -0.0822
      },
      {
        "ch": 30.0,
        "easting": 451810.0,
        "northing": 6511444.1528,
        "existing_z": 197.028,
        "design_z": 196.947,
        "delta_z": -0.081
      },
      {
        "ch": 40.0,
        "easting": 451810.0,
        "northing": 6511434.1528,
        "existing_z": 196.4182,
        "design_z": 196.3388,
        "delta_z": -0.0794
      },
      {
        "ch": 42.1732,
        "easting": 451810.0,
        "northing": 6511431.9795,
        "existing_z": 196.2857,
        "design_z": 196.2048,
        "delta_z": -0.0809
      },
      {
        "ch": 50.0,
        "easting": 451810.0,
        "northing": 6511424.1528,
        "existing_z": 195.8278,
        "design_z": 195.7168,
        "delta_z": -0.111
      },
      {
        "ch": 60.0,
        "easting": 451810.5172,
        "northing": 6511414.1908,
        "existing_z": 195.2427,
        "design_z": 195.0809,
        "delta_z": -0.1618
      },
      {
        "ch": 61.1512,
        "easting": 451810.7988,
        "northing": 6511413.0747,
        "existing_z": 195.1711,
        "design_z": 195.0068,
        "delta_z": -0.1642
      },
      {
        "ch": 70.0,
        "easting": 451814.8612,
        "northing": 6511405.2843,
        "existing_z": 194.6097,
        "design_z": 194.4367,
        "delta_z": -0.173
      },
      {
        "ch": 80.0,
        "easting": 451821.8571,
        "northing": 6511398.1429,
        "existing_z": 193.879,
        "design_z": 193.7923,
        "delta_z": -0.0867
      },
      {
        "ch": 84.3465,
        "easting": 451824.9305,
        "northing": 6511395.0695,
        "existing_z": 193.5123,
        "design_z": 193.5123,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD324",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 23.053,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.0,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450861.00731494906,
          6511438.992685051
        ],
        "end": [
          450853.56201601337,
          6511446.437983987
        ],
        "chainage_start": 0,
        "length": 10.529242731151074
      },
      {
        "type": "ARC",
        "centre": [
          450853.23590533296,
          6511446.111873306
        ],
        "radius": 0.46119014710426,
        "start_angle_rad": 0.7853981636651841,
        "sweep_rad": 2.9589971231397714,
        "start": [
          450853.56201601337,
          6511446.437983987
        ],
        "end": [
          450852.85599999997,
          6511445.8504
        ],
        "chainage_start": 10.529242731151074,
        "length": 1.3646603185019133,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450852.8560000001,
          6511445.8504
        ],
        "end": [
          450855.76281302184,
          6511441.626971669
        ],
        "chainage_start": 11.893903049652987,
        "length": 5.127076049091688
      },
      {
        "type": "ARC",
        "centre": [
          450859.8517745571,
          6511444.4412366925
        ],
        "radius": 4.963838642004039,
        "start_angle_rad": -2.538790020714523,
        "sweep_rad": 0.7062013344116685,
        "start": [
          450855.76281302184,
          6511441.626971669
        ],
        "end": [
          450858.5670722786,
          6511439.646527722
        ],
        "chainage_start": 17.020979098744675,
        "length": 3.5054694727874574,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450858.5670722783,
          6511439.646527722
        ],
        "end": [
          450861.00731494906,
          6511438.992685051
        ],
        "chainage_start": 20.526448571532132,
        "length": 2.526320353884181
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450861.0073,
        "northing": 6511438.9927,
        "existing_z": 217.4683,
        "design_z": 217.4683,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450853.9362,
        "northing": 6511446.0638,
        "existing_z": 218.6697,
        "design_z": 217.4683,
        "delta_z": -1.2014
      },
      {
        "ch": 20.0,
        "easting": 450858.0667,
        "northing": 6511439.8095,
        "existing_z": 217.6559,
        "design_z": 217.4683,
        "delta_z": -0.1877
      },
      {
        "ch": 23.0528,
        "easting": 450861.0073,
        "northing": 6511438.9927,
        "existing_z": 217.4683,
        "design_z": 217.4683,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD325",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 110.06,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 16.63,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449510.0,
          6511395.09
        ],
        "end": [
          449510.0,
          6511505.15
        ],
        "chainage_start": 0,
        "length": 110.06000000052154
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 55.03000000026077,
        "pvi_z": 169.58665696923396,
        "bvc": 35.03000000026077,
        "evc": 75.03000000026077,
        "length": 40.0,
        "g1": 0.16167887671093464,
        "g2": 0.16632963187444658,
        "z_bvc": 166.35307943501527,
        "K_m_per_percent": 86.00753768726611
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449510.0,
        "northing": 6511395.09,
        "existing_z": 160.6895,
        "design_z": 160.6895,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449510.0,
        "northing": 6511405.09,
        "existing_z": 162.0937,
        "design_z": 162.3063,
        "delta_z": 0.2125
      },
      {
        "ch": 20.0,
        "easting": 449510.0,
        "northing": 6511415.09,
        "existing_z": 163.6379,
        "design_z": 163.923,
        "delta_z": 0.2851
      },
      {
        "ch": 30.0,
        "easting": 449510.0,
        "northing": 6511425.09,
        "existing_z": 165.317,
        "design_z": 165.5398,
        "delta_z": 0.2228
      },
      {
        "ch": 35.03,
        "easting": 449510.0,
        "northing": 6511430.12,
        "existing_z": 166.1616,
        "design_z": 166.3531,
        "delta_z": 0.1914
      },
      {
        "ch": 40.0,
        "easting": 449510.0,
        "northing": 6511435.09,
        "existing_z": 166.9967,
        "design_z": 167.1581,
        "delta_z": 0.1613
      },
      {
        "ch": 50.0,
        "easting": 449510.0,
        "northing": 6511445.09,
        "existing_z": 168.677,
        "design_z": 168.7864,
        "delta_z": 0.1094
      },
      {
        "ch": 55.03,
        "easting": 449510.0,
        "northing": 6511450.12,
        "existing_z": 169.5219,
        "design_z": 169.6099,
        "delta_z": 0.0881
      },
      {
        "ch": 60.0,
        "easting": 449510.0,
        "northing": 6511455.09,
        "existing_z": 170.3436,
        "design_z": 170.4264,
        "delta_z": 0.0828
      },
      {
        "ch": 70.0,
        "easting": 449510.0,
        "northing": 6511465.09,
        "existing_z": 171.9971,
        "design_z": 172.0781,
        "delta_z": 0.0809
      },
      {
        "ch": 75.03,
        "easting": 449510.0,
        "northing": 6511470.12,
        "existing_z": 172.8294,
        "design_z": 172.9132,
        "delta_z": 0.0838
      },
      {
        "ch": 80.0,
        "easting": 449510.0,
        "northing": 6511475.09,
        "existing_z": 173.6749,
        "design_z": 173.7399,
        "delta_z": 0.065
      },
      {
        "ch": 90.0,
        "easting": 449510.0,
        "northing": 6511485.09,
        "existing_z": 175.3762,
        "design_z": 175.4032,
        "delta_z": 0.027
      },
      {
        "ch": 100.0,
        "easting": 449510.0,
        "northing": 6511495.09,
        "existing_z": 177.0609,
        "design_z": 177.0665,
        "delta_z": 0.0056
      },
      {
        "ch": 110.0,
        "easting": 449510.0,
        "northing": 6511505.09,
        "existing_z": 178.7298,
        "design_z": 178.7298,
        "delta_z": 0.0
      },
      {
        "ch": 110.06,
        "easting": 449510.0,
        "northing": 6511505.15,
        "existing_z": 178.7398,
        "design_z": 178.7398,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD326",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 63.682,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 17.82,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449464.97,
          6511460.12
        ],
        "end": [
          449510.0,
          6511505.15
        ],
        "chainage_start": 0,
        "length": 63.68203671386462
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449464.97,
        "northing": 6511460.12,
        "existing_z": 167.3931,
        "design_z": 167.3931,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449472.0411,
        "northing": 6511467.1911,
        "existing_z": 169.1287,
        "design_z": 169.1748,
        "delta_z": 0.0461
      },
      {
        "ch": 20.0,
        "easting": 449479.1121,
        "northing": 6511474.2621,
        "existing_z": 170.8955,
        "design_z": 170.9566,
        "delta_z": 0.0611
      },
      {
        "ch": 30.0,
        "easting": 449486.1832,
        "northing": 6511481.3332,
        "existing_z": 172.6689,
        "design_z": 172.7384,
        "delta_z": 0.0695
      },
      {
        "ch": 40.0,
        "easting": 449493.2543,
        "northing": 6511488.4043,
        "existing_z": 174.4577,
        "design_z": 174.5202,
        "delta_z": 0.0625
      },
      {
        "ch": 50.0,
        "easting": 449500.3253,
        "northing": 6511495.4753,
        "existing_z": 176.259,
        "design_z": 176.3019,
        "delta_z": 0.0429
      },
      {
        "ch": 60.0,
        "easting": 449507.3964,
        "northing": 6511502.5464,
        "existing_z": 178.0696,
        "design_z": 178.0837,
        "delta_z": 0.0142
      },
      {
        "ch": 63.682,
        "easting": 449510.0,
        "northing": 6511505.15,
        "existing_z": 178.7398,
        "design_z": 178.7398,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD327",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 76.551,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.97,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450264.97,
          6511460.12
        ],
        "end": [
          450319.099999999,
          6511514.249999999
        ],
        "chainage_start": 0,
        "length": 76.55138012982165
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450264.97,
        "northing": 6511460.12,
        "existing_z": 235.4252,
        "design_z": 235.4252,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450272.0411,
        "northing": 6511467.1911,
        "existing_z": 235.658,
        "design_z": 236.0224,
        "delta_z": 0.3645
      },
      {
        "ch": 20.0,
        "easting": 450279.1121,
        "northing": 6511474.2621,
        "existing_z": 236.0639,
        "design_z": 236.6196,
        "delta_z": 0.5557
      },
      {
        "ch": 30.0,
        "easting": 450286.1832,
        "northing": 6511481.3332,
        "existing_z": 236.5462,
        "design_z": 237.2168,
        "delta_z": 0.6707
      },
      {
        "ch": 40.0,
        "easting": 450293.2543,
        "northing": 6511488.4043,
        "existing_z": 237.1118,
        "design_z": 237.814,
        "delta_z": 0.7022
      },
      {
        "ch": 50.0,
        "easting": 450300.3253,
        "northing": 6511495.4753,
        "existing_z": 237.7759,
        "design_z": 238.4112,
        "delta_z": 0.6353
      },
      {
        "ch": 60.0,
        "easting": 450307.3964,
        "northing": 6511502.5464,
        "existing_z": 238.515,
        "design_z": 239.0084,
        "delta_z": 0.4933
      },
      {
        "ch": 70.0,
        "easting": 450314.4675,
        "northing": 6511509.6175,
        "existing_z": 239.4088,
        "design_z": 239.6056,
        "delta_z": 0.1968
      },
      {
        "ch": 76.5514,
        "easting": 450319.1,
        "northing": 6511514.25,
        "existing_z": 239.9968,
        "design_z": 239.9968,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD328",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 121.233,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.1,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451734.5019966805,
          6511546.726541351
        ],
        "end": [
          451779.0613937953,
          6511469.540753668
        ],
        "chainage_start": 0,
        "length": 89.12455156346881
      },
      {
        "type": "ARC",
        "centre": [
          451788.4815793354,
          6511474.9790318925
        ],
        "radius": 10.877259105756389,
        "start_angle_rad": -2.6180311736870476,
        "sweep_rad": 1.5708566345866821,
        "start": [
          451779.0613937953,
          6511469.540753668
        ],
        "end": [
          451793.9204256603,
          6511465.55917434
        ],
        "chainage_start": 89.12455156346881,
        "length": 17.086614632395825,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451793.9204256604,
          6511465.55917434
        ],
        "end": [
          451806.92958490556,
          6511473.0704150945
        ],
        "chainage_start": 106.21116619586464,
        "length": 15.021882769317951
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 60.616524482591295,
        "pvi_z": 202.42240779108886,
        "bvc": 40.616524482591295,
        "evc": 80.6165244825913,
        "length": 40.0,
        "g1": -0.058313988401067114,
        "g2": -0.060983255033279914,
        "z_bvc": 203.5886875591102,
        "K_m_per_percent": 149.85389438911292
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451734.502,
        "northing": 6511546.7265,
        "existing_z": 205.9572,
        "design_z": 205.9572,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451739.5017,
        "northing": 6511538.0661,
        "existing_z": 205.4487,
        "design_z": 205.3741,
        "delta_z": -0.0746
      },
      {
        "ch": 20.0,
        "easting": 451744.5014,
        "northing": 6511529.4057,
        "existing_z": 204.9419,
        "design_z": 204.7909,
        "delta_z": -0.151
      },
      {
        "ch": 30.0,
        "easting": 451749.501,
        "northing": 6511520.7452,
        "existing_z": 204.4045,
        "design_z": 204.2078,
        "delta_z": -0.1967
      },
      {
        "ch": 40.0,
        "easting": 451754.5007,
        "northing": 6511512.0848,
        "existing_z": 203.8254,
        "design_z": 203.6246,
        "delta_z": -0.2008
      },
      {
        "ch": 40.6165,
        "easting": 451754.8089,
        "northing": 6511511.5508,
        "existing_z": 203.789,
        "design_z": 203.5887,
        "delta_z": -0.2003
      },
      {
        "ch": 50.0,
        "easting": 451759.5004,
        "northing": 6511503.4243,
        "existing_z": 203.1788,
        "design_z": 203.0386,
        "delta_z": -0.1402
      },
      {
        "ch": 60.0,
        "easting": 451764.5001,
        "northing": 6511494.7639,
        "existing_z": 202.5053,
        "design_z": 202.4458,
        "delta_z": -0.0594
      },
      {
        "ch": 60.6165,
        "easting": 451764.8083,
        "northing": 6511494.23,
        "existing_z": 202.4634,
        "design_z": 202.4091,
        "delta_z": -0.0543
      },
      {
        "ch": 70.0,
        "easting": 451769.4997,
        "northing": 6511486.1035,
        "existing_z": 201.7823,
        "design_z": 201.8464,
        "delta_z": 0.0641
      },
      {
        "ch": 80.0,
        "easting": 451774.4994,
        "northing": 6511477.443,
        "existing_z": 201.0253,
        "design_z": 201.2403,
        "delta_z": 0.215
      },
      {
        "ch": 80.6165,
        "easting": 451774.8077,
        "northing": 6511476.9091,
        "existing_z": 200.9783,
        "design_z": 201.2027,
        "delta_z": 0.2244
      },
      {
        "ch": 90.0,
        "easting": 451779.5291,
        "northing": 6511468.801,
        "existing_z": 200.2476,
        "design_z": 200.6305,
        "delta_z": 0.3829
      },
      {
        "ch": 100.0,
        "easting": 451787.9662,
        "northing": 6511464.114,
        "existing_z": 199.2653,
        "design_z": 200.0207,
        "delta_z": 0.7554
      },
      {
        "ch": 110.0,
        "easting": 451797.2016,
        "northing": 6511467.4537,
        "existing_z": 198.8921,
        "design_z": 199.4108,
        "delta_z": 0.5188
      },
      {
        "ch": 120.0,
        "easting": 451805.8617,
        "northing": 6511472.4539,
        "existing_z": 198.7422,
        "design_z": 198.801,
        "delta_z": 0.0588
      },
      {
        "ch": 121.233,
        "easting": 451806.9296,
        "northing": 6511473.0704,
        "existing_z": 198.7258,
        "design_z": 198.7258,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD329",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 255.184,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.19,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451534.5016808225,
          6511546.727088479
        ],
        "end": [
          451563.5007059455,
          6511496.494977161
        ],
        "chainage_start": 0,
        "length": 58.001797088967656
      },
      {
        "type": "ARC",
        "centre": [
          451599.8738085222,
          6511517.493189017
        ],
        "radius": 41.999136802999296,
        "start_angle_rad": -2.618031173686793,
        "sweep_rad": 1.5708478631265772,
        "start": [
          451563.5007059455,
          6511496.494977161
        ],
        "end": [
          451620.8738948864,
          6511481.12116866
        ],
        "chainage_start": 58.001797088967656,
        "length": 65.97425430015223,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451620.8738948865,
          6511481.12116866
        ],
        "end": [
          451734.5019966805,
          6511546.726541351
        ],
        "chainage_start": 123.97605138911987,
        "length": 131.2075090960023
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 63.79589012128054,
        "pvi_z": 219.1248285729747,
        "bvc": 43.79589012128054,
        "evc": 83.79589012128054,
        "length": 40.0,
        "g1": -0.06544582215007583,
        "g2": -0.07192692789632713,
        "z_bvc": 220.43374501597623,
        "K_m_per_percent": 61.71786353453064
      },
      {
        "pvi_ch": 127.59178024256109,
        "pvi_z": 214.53618618413935,
        "bvc": 107.59178024256109,
        "evc": 147.59178024256107,
        "length": 40.0,
        "g1": -0.07192692789632713,
        "g2": -0.06668363454291569,
        "z_bvc": 215.9747247420659,
        "K_m_per_percent": 76.2879307028947
      },
      {
        "pvi_ch": 191.38767036384164,
        "pvi_z": 210.28204436195188,
        "bvc": 171.38767036384164,
        "evc": 211.38767036384164,
        "length": 40.0,
        "g1": -0.06668363454291569,
        "g2": -0.06779191037307182,
        "z_bvc": 211.6157170528102,
        "K_m_per_percent": 360.92098114568586
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451534.5017,
        "northing": 6511546.7271,
        "existing_z": 223.3,
        "design_z": 223.3,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451539.5014,
        "northing": 6511538.0666,
        "existing_z": 222.7027,
        "design_z": 222.6455,
        "delta_z": -0.0572
      },
      {
        "ch": 20.0,
        "easting": 451544.501,
        "northing": 6511529.4062,
        "existing_z": 222.1118,
        "design_z": 221.9911,
        "delta_z": -0.1207
      },
      {
        "ch": 30.0,
        "easting": 451549.5007,
        "northing": 6511520.7458,
        "existing_z": 221.5866,
        "design_z": 221.3366,
        "delta_z": -0.2499
      },
      {
        "ch": 40.0,
        "easting": 451554.5004,
        "northing": 6511512.0853,
        "existing_z": 220.9431,
        "design_z": 220.6822,
        "delta_z": -0.2609
      },
      {
        "ch": 43.7959,
        "easting": 451556.3982,
        "northing": 6511508.7979,
        "existing_z": 220.6888,
        "design_z": 220.4337,
        "delta_z": -0.255
      },
      {
        "ch": 50.0,
        "easting": 451559.5001,
        "northing": 6511503.4249,
        "existing_z": 220.261,
        "design_z": 220.0246,
        "delta_z": -0.2364
      },
      {
        "ch": 60.0,
        "easting": 451564.5405,
        "northing": 6511494.7889,
        "existing_z": 219.5574,
        "design_z": 219.352,
        "delta_z": -0.2054
      },
      {
        "ch": 63.7959,
        "easting": 451566.734,
        "northing": 6511491.6924,
        "existing_z": 219.2784,
        "design_z": 219.0924,
        "delta_z": -0.1859
      },
      {
        "ch": 70.0,
        "easting": 451570.8923,
        "northing": 6511487.0958,
        "existing_z": 218.7674,
        "design_z": 218.6632,
        "delta_z": -0.1042
      },
      {
        "ch": 80.0,
        "easting": 451578.8794,
        "northing": 6511481.1179,
        "existing_z": 217.8139,
        "design_z": 217.9581,
        "delta_z": 0.1443
      },
      {
        "ch": 83.7959,
        "easting": 451582.2482,
        "northing": 6511479.3715,
        "existing_z": 217.4582,
        "design_z": 217.6863,
        "delta_z": 0.2281
      },
      {
        "ch": 90.0,
        "easting": 451588.051,
        "northing": 6511477.1924,
        "existing_z": 216.8942,
        "design_z": 217.24,
        "delta_z": 0.3459
      },
      {
        "ch": 100.0,
        "easting": 451597.8898,
        "northing": 6511475.5409,
        "existing_z": 216.0555,
        "design_z": 216.5208,
        "delta_z": 0.4653
      },
      {
        "ch": 107.5918,
        "easting": 451605.4642,
        "northing": 6511475.8678,
        "existing_z": 215.4959,
        "design_z": 215.9747,
        "delta_z": 0.4788
      },
      {
        "ch": 110.0,
        "easting": 451607.8405,
        "northing": 6511476.2566,
        "existing_z": 215.3345,
        "design_z": 215.8019,
        "delta_z": 0.4674
      },
      {
        "ch": 120.0,
        "easting": 451617.3417,
        "northing": 6511479.2989,
        "existing_z": 214.7549,
        "design_z": 215.0923,
        "delta_z": 0.3374
      },
      {
        "ch": 127.5918,
        "easting": 451624.0052,
        "northing": 6511482.9291,
        "existing_z": 214.4058,
        "design_z": 214.5624,
        "delta_z": 0.1566
      },
      {
        "ch": 130.0,
        "easting": 451626.0907,
        "northing": 6511484.1332,
        "existing_z": 214.2965,
        "design_z": 214.3959,
        "delta_z": 0.0994
      },
      {
        "ch": 140.0,
        "easting": 451634.7509,
        "northing": 6511489.1333,
        "existing_z": 213.8091,
        "design_z": 213.7125,
        "delta_z": -0.0965
      },
      {
        "ch": 147.5918,
        "easting": 451641.3255,
        "northing": 6511492.9293,
        "existing_z": 213.3806,
        "design_z": 213.2025,
        "delta_z": -0.1781
      },
      {
        "ch": 150.0,
        "easting": 451643.4111,
        "northing": 6511494.1335,
        "existing_z": 213.2361,
        "design_z": 213.0419,
        "delta_z": -0.1942
      },
      {
        "ch": 160.0,
        "easting": 451652.0713,
        "northing": 6511499.1336,
        "existing_z": 212.5994,
        "design_z": 212.3751,
        "delta_z": -0.2243
      },
      {
        "ch": 170.0,
        "easting": 451660.7315,
        "northing": 6511504.1337,
        "existing_z": 211.9045,
        "design_z": 211.7083,
        "delta_z": -0.1962
      },
      {
        "ch": 171.3877,
        "easting": 451661.9332,
        "northing": 6511504.8276,
        "existing_z": 211.8048,
        "design_z": 211.6157,
        "delta_z": -0.189
      },
      {
        "ch": 180.0,
        "easting": 451669.3917,
        "northing": 6511509.1338,
        "existing_z": 211.168,
        "design_z": 211.0404,
        "delta_z": -0.1276
      },
      {
        "ch": 190.0,
        "easting": 451678.0518,
        "northing": 6511514.134,
        "existing_z": 210.4194,
        "design_z": 210.3698,
        "delta_z": -0.0496
      },
      {
        "ch": 191.3877,
        "easting": 451679.2536,
        "northing": 6511514.8278,
        "existing_z": 210.3141,
        "design_z": 210.2765,
        "delta_z": -0.0376
      },
      {
        "ch": 200.0,
        "easting": 451686.712,
        "northing": 6511519.1341,
        "existing_z": 209.654,
        "design_z": 209.6964,
        "delta_z": 0.0424
      },
      {
        "ch": 210.0,
        "easting": 451695.3722,
        "northing": 6511524.1342,
        "existing_z": 208.9248,
        "design_z": 209.0203,
        "delta_z": 0.0955
      },
      {
        "ch": 211.3877,
        "easting": 451696.574,
        "northing": 6511524.8281,
        "existing_z": 208.8278,
        "design_z": 208.9262,
        "delta_z": 0.0984
      },
      {
        "ch": 220.0,
        "easting": 451704.0324,
        "northing": 6511529.1343,
        "existing_z": 208.2276,
        "design_z": 208.3424,
        "delta_z": 0.1148
      },
      {
        "ch": 230.0,
        "easting": 451712.6926,
        "northing": 6511534.1345,
        "existing_z": 207.5665,
        "design_z": 207.6644,
        "delta_z": 0.098
      },
      {
        "ch": 240.0,
        "easting": 451721.3528,
        "northing": 6511539.1346,
        "existing_z": 206.9392,
        "design_z": 206.9865,
        "delta_z": 0.0473
      },
      {
        "ch": 250.0,
        "easting": 451730.0129,
        "northing": 6511544.1347,
        "existing_z": 206.3038,
        "design_z": 206.3086,
        "delta_z": 0.0048
      },
      {
        "ch": 255.1836,
        "easting": 451734.502,
        "northing": 6511546.7265,
        "existing_z": 205.9572,
        "design_z": 205.9572,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD330",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 146.753,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 9.87,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451806.92958490556,
          6511473.0704150945
        ],
        "end": [
          451934.02,
          6511546.45
        ],
        "chainage_start": 0,
        "length": 146.7533205410103
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 73.37666027050516,
        "pvi_z": 205.970519594909,
        "bvc": 53.376660270505155,
        "evc": 93.37666027050516,
        "length": 40.0,
        "g1": 0.09873309508589323,
        "g2": 0.08191336273574433,
        "z_bvc": 203.99585769319114,
        "K_m_per_percent": 23.781591268689773
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451806.9296,
        "northing": 6511473.0704,
        "existing_z": 198.7258,
        "design_z": 198.7258,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451815.5897,
        "northing": 6511478.0706,
        "existing_z": 199.1219,
        "design_z": 199.7131,
        "delta_z": 0.5913
      },
      {
        "ch": 20.0,
        "easting": 451824.2499,
        "northing": 6511483.0708,
        "existing_z": 199.8502,
        "design_z": 200.7005,
        "delta_z": 0.8503
      },
      {
        "ch": 30.0,
        "easting": 451832.91,
        "northing": 6511488.071,
        "existing_z": 200.8035,
        "design_z": 201.6878,
        "delta_z": 0.8843
      },
      {
        "ch": 40.0,
        "easting": 451841.5701,
        "northing": 6511493.0712,
        "existing_z": 202.1309,
        "design_z": 202.6751,
        "delta_z": 0.5443
      },
      {
        "ch": 50.0,
        "easting": 451850.2303,
        "northing": 6511498.0714,
        "existing_z": 203.471,
        "design_z": 203.6625,
        "delta_z": 0.1914
      },
      {
        "ch": 53.3767,
        "easting": 451853.1545,
        "northing": 6511499.7598,
        "existing_z": 203.8871,
        "design_z": 203.9959,
        "delta_z": 0.1088
      },
      {
        "ch": 60.0,
        "easting": 451858.8904,
        "northing": 6511503.0716,
        "existing_z": 204.6956,
        "design_z": 204.6406,
        "delta_z": -0.055
      },
      {
        "ch": 70.0,
        "easting": 451867.5506,
        "northing": 6511508.0718,
        "existing_z": 205.8973,
        "design_z": 205.579,
        "delta_z": -0.3182
      },
      {
        "ch": 73.3767,
        "easting": 451870.4748,
        "northing": 6511509.7602,
        "existing_z": 206.283,
        "design_z": 205.8864,
        "delta_z": -0.3966
      },
      {
        "ch": 80.0,
        "easting": 451876.2107,
        "northing": 6511513.072,
        "existing_z": 206.9107,
        "design_z": 206.4754,
        "delta_z": -0.4353
      },
      {
        "ch": 90.0,
        "easting": 451884.8708,
        "northing": 6511518.0722,
        "existing_z": 207.8565,
        "design_z": 207.3298,
        "delta_z": -0.5267
      },
      {
        "ch": 93.3767,
        "easting": 451887.7951,
        "northing": 6511519.7606,
        "existing_z": 208.1745,
        "design_z": 207.6088,
        "delta_z": -0.5657
      },
      {
        "ch": 100.0,
        "easting": 451893.531,
        "northing": 6511523.0724,
        "existing_z": 208.7153,
        "design_z": 208.1513,
        "delta_z": -0.5639
      },
      {
        "ch": 110.0,
        "easting": 451902.1911,
        "northing": 6511528.0726,
        "existing_z": 209.4593,
        "design_z": 208.9705,
        "delta_z": -0.4888
      },
      {
        "ch": 120.0,
        "easting": 451910.8513,
        "northing": 6511533.0728,
        "existing_z": 210.2222,
        "design_z": 209.7896,
        "delta_z": -0.4326
      },
      {
        "ch": 130.0,
        "easting": 451919.5114,
        "northing": 6511538.073,
        "existing_z": 210.8911,
        "design_z": 210.6087,
        "delta_z": -0.2823
      },
      {
        "ch": 140.0,
        "easting": 451928.1715,
        "northing": 6511543.0732,
        "existing_z": 211.5671,
        "design_z": 211.4279,
        "delta_z": -0.1392
      },
      {
        "ch": 146.7533,
        "easting": 451934.02,
        "northing": 6511546.45,
        "existing_z": 211.981,
        "design_z": 211.981,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD331",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 184.786,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 9.59,
    "radius_review_count": 4,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450248.39,
          6511584.96
        ],
        "end": [
          450237.7238,
          6511576.2832
        ],
        "chainage_start": 0,
        "length": 13.749715657894875
      },
      {
        "type": "ARC",
        "centre": [
          450250.93471702596,
          6511560.043309351
        ],
        "radius": 20.934717025999554,
        "start_angle_rad": 2.253706268404264,
        "sweep_rad": 0.8878863851850335,
        "start": [
          450237.7238,
          6511576.2832
        ],
        "end": [
          450230.0,
          6511560.043309351
        ],
        "chainage_start": 13.749715657894875,
        "length": 18.587650225086318,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450229.99999999994,
          6511560.043309351
        ],
        "end": [
          450230.0,
          6511521.879393924
        ],
        "chainage_start": 32.33736588298119,
        "length": 38.16391542740166
      },
      {
        "type": "ARC",
        "centre": [
          450258.67939392396,
          6511521.879393924
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450230.0,
          6511521.879393924
        ],
        "end": [
          450238.4,
          6511501.6
        ],
        "chainage_start": 70.50128131038285,
        "length": 22.524743315209697,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450238.4,
          6511501.600000001
        ],
        "end": [
          450241.6,
          6511498.4
        ],
        "chainage_start": 93.02602462559256,
        "length": 4.5254833996926855
      },
      {
        "type": "ARC",
        "centre": [
          450261.8793939239,
          6511518.679393924
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": -2.356194490203826,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450241.6,
          6511498.4
        ],
        "end": [
          450261.8793939239,
          6511490.0
        ],
        "chainage_start": 97.55150802528524,
        "length": 22.524743315209697,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450261.87939392356,
          6511490.0
        ],
        "end": [
          450274.09052141075,
          6511490.0
        ],
        "chainage_start": 120.07625134049493,
        "length": 12.211127487185877
      },
      {
        "type": "ARC",
        "centre": [
          450274.09052141075,
          6511533.942774306
        ],
        "radius": 43.94277430631351,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.6947382761949326,
        "start": [
          450274.09052141075,
          6511490.0
        ],
        "end": [
          450302.2219999996,
          6511500.185
        ],
        "chainage_start": 132.2873788276808,
        "length": 30.528727272791222,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450302.22199999954,
          6511500.185
        ],
        "end": [
          450319.099999999,
          6511514.249999999
        ],
        "chainage_start": 162.81610610047204,
        "length": 21.970232337564404
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 61.595446146012144,
        "pvi_z": 229.78994094253954,
        "bvc": 37.498991150475675,
        "evc": 85.69190114154861,
        "length": 48.192909991072945,
        "g1": -0.010481142910159603,
        "g2": 0.06984037374162864,
        "z_bvc": 230.042499330976,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 123.19089229202429,
        "pvi_z": 234.0917899221594,
        "bvc": 103.19089229202429,
        "evc": 143.19089229202427,
        "length": 40.0,
        "g1": 0.06984037374162864,
        "g2": 0.09586806524166908,
        "z_bvc": 232.69498244732682,
        "K_m_per_percent": 15.368247314571814
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450248.39,
        "northing": 6511584.96,
        "existing_z": 230.4355,
        "design_z": 230.4355,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450240.6326,
        "northing": 6511578.6495,
        "existing_z": 229.8695,
        "design_z": 230.3307,
        "delta_z": 0.4612
      },
      {
        "ch": 20.0,
        "easting": 450233.5314,
        "northing": 6511571.6788,
        "existing_z": 229.1732,
        "design_z": 230.2259,
        "delta_z": 1.0527
      },
      {
        "ch": 30.0,
        "easting": 450230.1303,
        "northing": 6511562.3758,
        "existing_z": 228.7055,
        "design_z": 230.1211,
        "delta_z": 1.4156
      },
      {
        "ch": 37.499,
        "easting": 450230.0,
        "northing": 6511554.8817,
        "existing_z": 228.4071,
        "design_z": 230.0425,
        "delta_z": 1.6354
      },
      {
        "ch": 40.0,
        "easting": 450230.0,
        "northing": 6511552.3807,
        "existing_z": 228.3079,
        "design_z": 230.0215,
        "delta_z": 1.7136
      },
      {
        "ch": 50.0,
        "easting": 450230.0,
        "northing": 6511542.3807,
        "existing_z": 228.3424,
        "design_z": 230.0417,
        "delta_z": 1.6993
      },
      {
        "ch": 60.0,
        "easting": 450230.0,
        "northing": 6511532.3807,
        "existing_z": 228.5114,
        "design_z": 230.2286,
        "delta_z": 1.7172
      },
      {
        "ch": 61.5954,
        "easting": 450230.0,
        "northing": 6511530.7852,
        "existing_z": 228.5384,
        "design_z": 230.2738,
        "delta_z": 1.7354
      },
      {
        "ch": 70.0,
        "easting": 450230.0,
        "northing": 6511522.3807,
        "existing_z": 229.0022,
        "design_z": 230.5821,
        "delta_z": 1.5799
      },
      {
        "ch": 80.0,
        "easting": 450231.5587,
        "northing": 6511512.5534,
        "existing_z": 229.7206,
        "design_z": 231.1023,
        "delta_z": 1.3818
      },
      {
        "ch": 85.6919,
        "easting": 450233.9298,
        "northing": 6511507.3892,
        "existing_z": 230.2486,
        "design_z": 231.4728,
        "delta_z": 1.2242
      },
      {
        "ch": 90.0,
        "easting": 450236.377,
        "northing": 6511503.8485,
        "existing_z": 230.6807,
        "design_z": 231.7737,
        "delta_z": 1.093
      },
      {
        "ch": 100.0,
        "easting": 450243.4031,
        "northing": 6511496.7446,
        "existing_z": 231.6811,
        "design_z": 232.4721,
        "delta_z": 0.791
      },
      {
        "ch": 103.1909,
        "easting": 450245.9528,
        "northing": 6511494.8288,
        "existing_z": 231.9908,
        "design_z": 232.695,
        "delta_z": 0.7042
      },
      {
        "ch": 110.0,
        "easting": 450252.0092,
        "northing": 6511491.752,
        "existing_z": 232.6647,
        "design_z": 233.1856,
        "delta_z": 0.5209
      },
      {
        "ch": 120.0,
        "easting": 450261.8031,
        "northing": 6511490.0001,
        "existing_z": 233.6907,
        "design_z": 233.9609,
        "delta_z": 0.2702
      },
      {
        "ch": 123.1909,
        "easting": 450264.994,
        "northing": 6511490.0,
        "existing_z": 233.9954,
        "design_z": 234.2219,
        "delta_z": 0.2265
      },
      {
        "ch": 130.0,
        "easting": 450271.8031,
        "northing": 6511490.0,
        "existing_z": 234.6727,
        "design_z": 234.8012,
        "delta_z": 0.1285
      },
      {
        "ch": 140.0,
        "easting": 450281.7636,
        "northing": 6511490.6751,
        "existing_z": 235.7493,
        "design_z": 235.7066,
        "delta_z": -0.0428
      },
      {
        "ch": 143.1909,
        "easting": 450284.8825,
        "northing": 6511491.3458,
        "existing_z": 236.0724,
        "design_z": 236.0092,
        "delta_z": -0.0633
      },
      {
        "ch": 150.0,
        "easting": 450291.3274,
        "northing": 6511493.5218,
        "existing_z": 236.7343,
        "design_z": 236.6619,
        "delta_z": -0.0724
      },
      {
        "ch": 160.0,
        "easting": 450300.0023,
        "northing": 6511498.4527,
        "existing_z": 237.667,
        "design_z": 237.6206,
        "delta_z": -0.0464
      },
      {
        "ch": 170.0,
        "easting": 450307.7408,
        "northing": 6511504.784,
        "existing_z": 238.5199,
        "design_z": 238.5793,
        "delta_z": 0.0594
      },
      {
        "ch": 180.0,
        "easting": 450315.423,
        "northing": 6511511.1859,
        "existing_z": 239.5169,
        "design_z": 239.538,
        "delta_z": 0.0211
      },
      {
        "ch": 184.7863,
        "easting": 450319.1,
        "northing": 6511514.25,
        "existing_z": 239.9968,
        "design_z": 239.9968,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD332",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 107.566,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.75,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451771.76116203674,
          6511568.238837963
        ],
        "end": [
          451782.33968805545,
          6511557.660311945
        ],
        "chainage_start": 0,
        "length": 14.960294965207712
      },
      {
        "type": "ARC",
        "centre": [
          451763.84605906735,
          6511539.166682957
        ],
        "radius": 26.15394093265469,
        "start_angle_rad": 0.7853981633958745,
        "sweep_rad": -0.7853981634054268,
        "start": [
          451782.33968805545,
          6511557.660311945
        ],
        "end": [
          451790.0,
          6511539.166682956
        ],
        "chainage_start": 14.960294965207712,
        "length": 20.54125717432101,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451790.0,
          6511539.166682957
        ],
        "end": [
          451790.0,
          6511500.055660403
        ],
        "chainage_start": 35.50155213952873,
        "length": 39.111022553406656
      },
      {
        "type": "ARC",
        "centre": [
          451814.27651172364,
          6511500.055660403
        ],
        "radius": 24.27651172366621,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.7853981633991675,
        "start": [
          451790.0,
          6511500.055660403
        ],
        "end": [
          451797.1104256603,
          6511482.88957434
        ],
        "chainage_start": 74.61257469293538,
        "length": 19.0667277215058,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451797.1104256603,
          6511482.88957434
        ],
        "end": [
          451806.92958490556,
          6511473.0704150945
        ],
        "chainage_start": 93.67930241444118,
        "length": 13.886388175630062
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 53.78284529503562,
        "pvi_z": 201.13867893388027,
        "bvc": 33.78284529503562,
        "evc": 73.78284529503563,
        "length": 40.0,
        "g1": -0.047480903775989965,
        "g2": -0.04486308043592947,
        "z_bvc": 202.08829700940007,
        "K_m_per_percent": 152.79869878108616
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451771.7612,
        "northing": 6511568.2388,
        "existing_z": 203.6923,
        "design_z": 203.6923,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451778.8322,
        "northing": 6511561.1678,
        "existing_z": 203.3624,
        "design_z": 203.2175,
        "delta_z": -0.1449
      },
      {
        "ch": 20.0,
        "easting": 451785.539,
        "northing": 6511553.7764,
        "existing_z": 202.8345,
        "design_z": 202.7427,
        "delta_z": -0.0918
      },
      {
        "ch": 30.0,
        "easting": 451789.4235,
        "northing": 6511544.6278,
        "existing_z": 202.2022,
        "design_z": 202.2679,
        "delta_z": 0.0657
      },
      {
        "ch": 33.7828,
        "easting": 451789.9435,
        "northing": 6511540.8842,
        "existing_z": 201.9856,
        "design_z": 202.0883,
        "delta_z": 0.1027
      },
      {
        "ch": 40.0,
        "easting": 451790.0,
        "northing": 6511534.6682,
        "existing_z": 201.6595,
        "design_z": 201.7944,
        "delta_z": 0.1349
      },
      {
        "ch": 50.0,
        "easting": 451790.0,
        "northing": 6511524.6682,
        "existing_z": 201.2332,
        "design_z": 201.3269,
        "delta_z": 0.0937
      },
      {
        "ch": 53.7828,
        "easting": 451790.0,
        "northing": 6511520.8854,
        "existing_z": 201.103,
        "design_z": 201.1518,
        "delta_z": 0.0487
      },
      {
        "ch": 60.0,
        "easting": 451790.0,
        "northing": 6511514.6682,
        "existing_z": 200.8891,
        "design_z": 200.866,
        "delta_z": -0.0231
      },
      {
        "ch": 70.0,
        "easting": 451790.0,
        "northing": 6511504.6682,
        "existing_z": 200.5574,
        "design_z": 200.4116,
        "delta_z": -0.1459
      },
      {
        "ch": 73.7828,
        "easting": 451790.0,
        "northing": 6511500.8854,
        "existing_z": 200.4362,
        "design_z": 200.2414,
        "delta_z": -0.1947
      },
      {
        "ch": 80.0,
        "easting": 451790.5953,
        "northing": 6511494.7123,
        "existing_z": 200.2216,
        "design_z": 199.9625,
        "delta_z": -0.2591
      },
      {
        "ch": 90.0,
        "easting": 451794.7155,
        "northing": 6511485.6781,
        "existing_z": 199.7579,
        "design_z": 199.5139,
        "delta_z": -0.244
      },
      {
        "ch": 100.0,
        "easting": 451801.5798,
        "northing": 6511478.4202,
        "existing_z": 199.1925,
        "design_z": 199.0652,
        "delta_z": -0.1273
      },
      {
        "ch": 107.5657,
        "easting": 451806.9296,
        "northing": 6511473.0704,
        "existing_z": 198.7258,
        "design_z": 198.7258,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD333",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 85.489,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 17.09,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449510.0,
          6511505.15
        ],
        "end": [
          449570.44999999384,
          6511565.599999994
        ],
        "chainage_start": 0,
        "length": 85.48920983662087
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 42.744604918310436,
        "pvi_z": 186.04299631973126,
        "bvc": 23.50953270507074,
        "evc": 61.97967713155013,
        "length": 38.47014442647939,
        "g1": 0.17085711102864037,
        "g2": 0.15424145388625438,
        "z_bvc": 182.75654745094985,
        "K_m_per_percent": 23.152947907394715
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449510.0,
        "northing": 6511505.15,
        "existing_z": 178.7398,
        "design_z": 178.7398,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449517.0711,
        "northing": 6511512.2211,
        "existing_z": 180.5667,
        "design_z": 180.4483,
        "delta_z": -0.1184
      },
      {
        "ch": 20.0,
        "easting": 449524.1421,
        "northing": 6511519.2921,
        "existing_z": 182.3755,
        "design_z": 182.1569,
        "delta_z": -0.2185
      },
      {
        "ch": 23.5095,
        "easting": 449526.6237,
        "northing": 6511521.7737,
        "existing_z": 183.0042,
        "design_z": 182.7565,
        "delta_z": -0.2477
      },
      {
        "ch": 30.0,
        "easting": 449531.2132,
        "northing": 6511526.3632,
        "existing_z": 184.1403,
        "design_z": 183.8564,
        "delta_z": -0.2839
      },
      {
        "ch": 40.0,
        "easting": 449538.2843,
        "northing": 6511533.4343,
        "existing_z": 185.781,
        "design_z": 185.5153,
        "delta_z": -0.2657
      },
      {
        "ch": 42.7446,
        "easting": 449540.225,
        "northing": 6511535.375,
        "existing_z": 186.2228,
        "design_z": 185.9631,
        "delta_z": -0.2597
      },
      {
        "ch": 50.0,
        "easting": 449545.3553,
        "northing": 6511540.5053,
        "existing_z": 187.3809,
        "design_z": 187.1311,
        "delta_z": -0.2498
      },
      {
        "ch": 60.0,
        "easting": 449552.4264,
        "northing": 6511547.5764,
        "existing_z": 188.9162,
        "design_z": 188.7036,
        "delta_z": -0.2125
      },
      {
        "ch": 61.9797,
        "easting": 449553.8262,
        "northing": 6511548.9762,
        "existing_z": 189.2054,
        "design_z": 189.0098,
        "delta_z": -0.1955
      },
      {
        "ch": 70.0,
        "easting": 449559.4975,
        "northing": 6511554.6475,
        "existing_z": 190.369,
        "design_z": 190.2469,
        "delta_z": -0.1221
      },
      {
        "ch": 80.0,
        "easting": 449566.5685,
        "northing": 6511561.7185,
        "existing_z": 191.8342,
        "design_z": 191.7893,
        "delta_z": -0.0449
      },
      {
        "ch": 85.4892,
        "easting": 449570.45,
        "northing": 6511565.6,
        "existing_z": 192.636,
        "design_z": 192.636,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD334",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 86.746,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 16.86,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449510.0,
          6511505.15
        ],
        "end": [
          449510.0,
          6511507.963
        ],
        "chainage_start": 0,
        "length": 2.8130000000819564
      },
      {
        "type": "ARC",
        "centre": [
          449514.64117134217,
          6511507.963
        ],
        "radius": 4.64117134219637,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -0.8271661882785746,
        "start": [
          449510.0,
          6511507.963
        ],
        "end": [
          449511.49926446937,
          6511511.378976088
        ],
        "chainage_start": 2.8130000000819564,
        "length": 3.839020008272327,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449511.49926446937,
          6511511.378976088
        ],
        "end": [
          449570.44999999384,
          6511565.599999994
        ],
        "chainage_start": 6.652020008354283,
        "length": 80.09437341220428
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 43.37319671027928,
        "pvi_z": 186.05410790278995,
        "bvc": 23.855258190653604,
        "evc": 62.89113522990496,
        "length": 39.03587703925135,
        "g1": 0.1686371272175186,
        "g2": 0.15174990373202463,
        "z_bvc": 182.76265882163213,
        "K_m_per_percent": 23.11562766536661
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449510.0,
        "northing": 6511505.15,
        "existing_z": 178.7398,
        "design_z": 178.7398,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449513.9634,
        "northing": 6511513.6454,
        "existing_z": 180.5222,
        "design_z": 180.4261,
        "delta_z": -0.0961
      },
      {
        "ch": 20.0,
        "easting": 449521.3236,
        "northing": 6511520.4151,
        "existing_z": 182.3098,
        "design_z": 182.1125,
        "delta_z": -0.1972
      },
      {
        "ch": 23.8553,
        "easting": 449524.1611,
        "northing": 6511523.025,
        "existing_z": 182.9922,
        "design_z": 182.7627,
        "delta_z": -0.2295
      },
      {
        "ch": 30.0,
        "easting": 449528.6837,
        "northing": 6511527.1847,
        "existing_z": 184.0721,
        "design_z": 183.7907,
        "delta_z": -0.2814
      },
      {
        "ch": 40.0,
        "easting": 449536.0439,
        "northing": 6511533.9544,
        "existing_z": 185.7049,
        "design_z": 185.4289,
        "delta_z": -0.276
      },
      {
        "ch": 43.3732,
        "easting": 449538.5266,
        "northing": 6511536.2379,
        "existing_z": 186.2396,
        "design_z": 185.9717,
        "delta_z": -0.2679
      },
      {
        "ch": 50.0,
        "easting": 449543.4041,
        "northing": 6511540.724,
        "existing_z": 187.2809,
        "design_z": 187.0238,
        "delta_z": -0.2571
      },
      {
        "ch": 60.0,
        "easting": 449550.7642,
        "northing": 6511547.4936,
        "existing_z": 188.8177,
        "design_z": 188.5754,
        "delta_z": -0.2423
      },
      {
        "ch": 62.8911,
        "easting": 449552.8921,
        "northing": 6511549.4508,
        "existing_z": 189.2305,
        "design_z": 189.016,
        "delta_z": -0.2145
      },
      {
        "ch": 70.0,
        "easting": 449558.1244,
        "northing": 6511554.2633,
        "existing_z": 190.2377,
        "design_z": 190.0947,
        "delta_z": -0.143
      },
      {
        "ch": 80.0,
        "easting": 449565.4845,
        "northing": 6511561.0329,
        "existing_z": 191.6696,
        "design_z": 191.6122,
        "delta_z": -0.0574
      },
      {
        "ch": 86.7464,
        "easting": 449570.45,
        "northing": 6511565.6,
        "existing_z": 192.636,
        "design_z": 192.636,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD335",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 33.015,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.12,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451505.91,
          6511530.22
        ],
        "end": [
          451534.5016808225,
          6511546.727088479
        ],
        "chainage_start": 0,
        "length": 33.01466617022125
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451505.91,
        "northing": 6511530.22,
        "existing_z": 222.2685,
        "design_z": 222.2685,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451514.5703,
        "northing": 6511535.2199,
        "existing_z": 222.74,
        "design_z": 222.581,
        "delta_z": -0.159
      },
      {
        "ch": 20.0,
        "easting": 451523.2306,
        "northing": 6511540.2199,
        "existing_z": 223.0708,
        "design_z": 222.8934,
        "delta_z": -0.1774
      },
      {
        "ch": 30.0,
        "easting": 451531.8909,
        "northing": 6511545.2198,
        "existing_z": 223.2989,
        "design_z": 223.2058,
        "delta_z": -0.0931
      },
      {
        "ch": 33.0147,
        "easting": 451534.5017,
        "northing": 6511546.7271,
        "existing_z": 223.3,
        "design_z": 223.3,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD336",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 43.024,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.26,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451734.5019966805,
          6511546.726541351
        ],
        "end": [
          451771.76116203674,
          6511568.238837963
        ],
        "chainage_start": 0,
        "length": 43.02353203284715
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451734.502,
        "northing": 6511546.7265,
        "existing_z": 205.9572,
        "design_z": 205.9572,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451743.1622,
        "northing": 6511551.7267,
        "existing_z": 205.2913,
        "design_z": 205.4308,
        "delta_z": 0.1395
      },
      {
        "ch": 20.0,
        "easting": 451751.8224,
        "northing": 6511556.7268,
        "existing_z": 204.6516,
        "design_z": 204.9044,
        "delta_z": 0.2528
      },
      {
        "ch": 30.0,
        "easting": 451760.4825,
        "northing": 6511561.7269,
        "existing_z": 204.1393,
        "design_z": 204.3779,
        "delta_z": 0.2386
      },
      {
        "ch": 40.0,
        "easting": 451769.1427,
        "northing": 6511566.727,
        "existing_z": 203.7012,
        "design_z": 203.8515,
        "delta_z": 0.1503
      },
      {
        "ch": 43.0235,
        "easting": 451771.7612,
        "northing": 6511568.2388,
        "existing_z": 203.6923,
        "design_z": 203.6923,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD337",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 361.663,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 15.17,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449323.55,
          6511460.12
        ],
        "end": [
          449492.27163020347,
          6511628.841630204
        ],
        "chainage_start": 0,
        "length": 238.6084176994998
      },
      {
        "type": "ARC",
        "centre": [
          449521.7500000001,
          6511599.363260407
        ],
        "radius": 41.68871036305648,
        "start_angle_rad": 2.356194490192345,
        "sweep_rad": -1.5707963267924343,
        "start": [
          449492.27163020347,
          6511628.841630204
        ],
        "end": [
          449551.22836979665,
          6511628.841630204
        ],
        "chainage_start": 238.6084176994998,
        "length": 65.48447310700281,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449551.2283697967,
          6511628.841630204
        ],
        "end": [
          449591.93659475393,
          6511588.133405247
        ],
        "chainage_start": 304.0928908065026,
        "length": 57.57012383439806
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 72.33260292818014,
        "pvi_z": 171.9063695252743,
        "bvc": 52.33260292818014,
        "evc": 92.33260292818014,
        "length": 40.0,
        "g1": 0.11603916454788935,
        "g2": 0.1392499531982879,
        "z_bvc": 169.5855862343165,
        "K_m_per_percent": 17.233365312347182
      },
      {
        "pvi_ch": 144.66520585636027,
        "pvi_z": 181.97868109773373,
        "bvc": 124.66520585636027,
        "evc": 164.66520585636027,
        "length": 40.0,
        "g1": 0.1392499531982879,
        "g2": 0.15167169715132361,
        "z_bvc": 179.19368203376797,
        "K_m_per_percent": 32.20159757859483
      },
      {
        "pvi_ch": 216.9978087845404,
        "pvi_z": 192.9494897432236,
        "bvc": 196.9978087845404,
        "evc": 236.9978087845404,
        "length": 40.0,
        "g1": 0.15167169715132361,
        "g2": 0.09780942331304686,
        "z_bvc": 189.91605580019714,
        "K_m_per_percent": 7.426348193190156
      },
      {
        "pvi_ch": 289.33041171272055,
        "pvi_z": 200.0242999223605,
        "bvc": 256.7807403950395,
        "evc": 321.8800830304016,
        "length": 65.0993426353621,
        "g1": 0.09780942331304686,
        "g2": -0.04460425061075913,
        "z_bvc": 196.8406353417489,
        "K_m_per_percent": 4.571144107285055
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449323.55,
        "northing": 6511460.12,
        "existing_z": 163.513,
        "design_z": 163.513,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449330.6211,
        "northing": 6511467.1911,
        "existing_z": 164.3898,
        "design_z": 164.6733,
        "delta_z": 0.2835
      },
      {
        "ch": 20.0,
        "easting": 449337.6921,
        "northing": 6511474.2621,
        "existing_z": 165.3109,
        "design_z": 165.8337,
        "delta_z": 0.5228
      },
      {
        "ch": 30.0,
        "easting": 449344.7632,
        "northing": 6511481.3332,
        "existing_z": 166.3431,
        "design_z": 166.9941,
        "delta_z": 0.651
      },
      {
        "ch": 40.0,
        "easting": 449351.8343,
        "northing": 6511488.4043,
        "existing_z": 167.4467,
        "design_z": 168.1545,
        "delta_z": 0.7078
      },
      {
        "ch": 50.0,
        "easting": 449358.9053,
        "northing": 6511495.4753,
        "existing_z": 168.6112,
        "design_z": 169.3149,
        "delta_z": 0.7037
      },
      {
        "ch": 52.3326,
        "easting": 449360.5547,
        "northing": 6511497.1247,
        "existing_z": 168.8955,
        "design_z": 169.5856,
        "delta_z": 0.6901
      },
      {
        "ch": 60.0,
        "easting": 449365.9764,
        "northing": 6511502.5464,
        "existing_z": 169.8604,
        "design_z": 170.4924,
        "delta_z": 0.632
      },
      {
        "ch": 70.0,
        "easting": 449373.0475,
        "northing": 6511509.6175,
        "existing_z": 171.1888,
        "design_z": 171.7263,
        "delta_z": 0.5375
      },
      {
        "ch": 72.3326,
        "easting": 449374.6969,
        "northing": 6511511.2669,
        "existing_z": 171.4987,
        "design_z": 172.0224,
        "delta_z": 0.5237
      },
      {
        "ch": 80.0,
        "easting": 449380.1185,
        "northing": 6511516.6885,
        "existing_z": 172.521,
        "design_z": 173.0182,
        "delta_z": 0.4972
      },
      {
        "ch": 90.0,
        "easting": 449387.1896,
        "northing": 6511523.7596,
        "existing_z": 173.8829,
        "design_z": 174.3681,
        "delta_z": 0.4852
      },
      {
        "ch": 92.3326,
        "easting": 449388.839,
        "northing": 6511525.409,
        "existing_z": 174.2053,
        "design_z": 174.6914,
        "delta_z": 0.4861
      },
      {
        "ch": 100.0,
        "easting": 449394.2607,
        "northing": 6511530.8307,
        "existing_z": 175.2771,
        "design_z": 175.7591,
        "delta_z": 0.482
      },
      {
        "ch": 110.0,
        "easting": 449401.3317,
        "northing": 6511537.9017,
        "existing_z": 176.6703,
        "design_z": 177.1516,
        "delta_z": 0.4812
      },
      {
        "ch": 120.0,
        "easting": 449408.4028,
        "northing": 6511544.9728,
        "existing_z": 178.0612,
        "design_z": 178.5441,
        "delta_z": 0.4828
      },
      {
        "ch": 124.6652,
        "easting": 449411.7016,
        "northing": 6511548.2716,
        "existing_z": 178.7206,
        "design_z": 179.1937,
        "delta_z": 0.4731
      },
      {
        "ch": 130.0,
        "easting": 449415.4739,
        "northing": 6511552.0439,
        "existing_z": 179.5125,
        "design_z": 179.941,
        "delta_z": 0.4285
      },
      {
        "ch": 140.0,
        "easting": 449422.5449,
        "northing": 6511559.1149,
        "existing_z": 181.0296,
        "design_z": 181.3656,
        "delta_z": 0.3359
      },
      {
        "ch": 144.6652,
        "easting": 449425.8437,
        "northing": 6511562.4137,
        "existing_z": 181.7311,
        "design_z": 182.0408,
        "delta_z": 0.3097
      },
      {
        "ch": 150.0,
        "easting": 449429.616,
        "northing": 6511566.186,
        "existing_z": 182.5284,
        "design_z": 182.8212,
        "delta_z": 0.2928
      },
      {
        "ch": 160.0,
        "easting": 449436.6871,
        "northing": 6511573.2571,
        "existing_z": 184.2159,
        "design_z": 184.3079,
        "delta_z": 0.0921
      },
      {
        "ch": 164.6652,
        "easting": 449439.9859,
        "northing": 6511576.5559,
        "existing_z": 185.0037,
        "design_z": 185.0121,
        "delta_z": 0.0084
      },
      {
        "ch": 170.0,
        "easting": 449443.7582,
        "northing": 6511580.3282,
        "existing_z": 185.8837,
        "design_z": 185.8213,
        "delta_z": -0.0624
      },
      {
        "ch": 180.0,
        "easting": 449450.8292,
        "northing": 6511587.3992,
        "existing_z": 187.4861,
        "design_z": 187.338,
        "delta_z": -0.1481
      },
      {
        "ch": 190.0,
        "easting": 449457.9003,
        "northing": 6511594.4703,
        "existing_z": 189.0977,
        "design_z": 188.8547,
        "delta_z": -0.243
      },
      {
        "ch": 196.9978,
        "easting": 449462.8485,
        "northing": 6511599.4185,
        "existing_z": 190.1992,
        "design_z": 189.9161,
        "delta_z": -0.2831
      },
      {
        "ch": 200.0,
        "easting": 449464.9714,
        "northing": 6511601.5414,
        "existing_z": 190.6677,
        "design_z": 190.3653,
        "delta_z": -0.3023
      },
      {
        "ch": 210.0,
        "easting": 449472.0424,
        "northing": 6511608.6124,
        "existing_z": 192.2502,
        "design_z": 191.7743,
        "delta_z": -0.4759
      },
      {
        "ch": 216.9978,
        "easting": 449476.9906,
        "northing": 6511613.5606,
        "existing_z": 193.4187,
        "design_z": 192.6802,
        "delta_z": -0.7385
      },
      {
        "ch": 220.0,
        "easting": 449479.1135,
        "northing": 6511615.6835,
        "existing_z": 193.9231,
        "design_z": 193.0486,
        "delta_z": -0.8745
      },
      {
        "ch": 230.0,
        "easting": 449486.1846,
        "northing": 6511622.7546,
        "existing_z": 195.6196,
        "design_z": 194.1883,
        "delta_z": -1.4313
      },
      {
        "ch": 236.9978,
        "easting": 449491.1328,
        "northing": 6511627.7028,
        "existing_z": 196.8277,
        "design_z": 194.9057,
        "delta_z": -1.922
      },
      {
        "ch": 240.0,
        "easting": 449493.2719,
        "northing": 6511629.809,
        "existing_z": 197.3566,
        "design_z": 195.1993,
        "delta_z": -2.1572
      },
      {
        "ch": 250.0,
        "easting": 449501.3205,
        "northing": 6511635.7031,
        "existing_z": 198.9977,
        "design_z": 196.1774,
        "delta_z": -2.8203
      },
      {
        "ch": 256.7807,
        "easting": 449507.4749,
        "northing": 6511638.5317,
        "existing_z": 200.0091,
        "design_z": 196.8406,
        "delta_z": -3.1685
      },
      {
        "ch": 260.0,
        "easting": 449510.5391,
        "northing": 6511639.5163,
        "existing_z": 200.4476,
        "design_z": 197.1442,
        "delta_z": -3.3035
      },
      {
        "ch": 270.0,
        "easting": 449520.3996,
        "northing": 6511641.0301,
        "existing_z": 201.575,
        "design_z": 197.9425,
        "delta_z": -3.6326
      },
      {
        "ch": 280.0,
        "easting": 449530.3374,
        "northing": 6511640.1579,
        "existing_z": 202.3064,
        "design_z": 198.522,
        "delta_z": -3.7845
      },
      {
        "ch": 289.3304,
        "easting": 449539.1775,
        "northing": 6511637.2345,
        "existing_z": 202.5591,
        "design_z": 198.8654,
        "delta_z": -3.6937
      },
      {
        "ch": 290.0,
        "easting": 449539.7835,
        "northing": 6511636.9497,
        "existing_z": 202.5605,
        "design_z": 198.8827,
        "delta_z": -3.6777
      },
      {
        "ch": 300.0,
        "easting": 449548.197,
        "northing": 6511631.5891,
        "existing_z": 202.3062,
        "design_z": 199.0247,
        "delta_z": -3.2815
      },
      {
        "ch": 310.0,
        "easting": 449555.4053,
        "northing": 6511624.6647,
        "existing_z": 201.55,
        "design_z": 198.948,
        "delta_z": -2.602
      },
      {
        "ch": 320.0,
        "easting": 449562.4764,
        "northing": 6511617.5936,
        "existing_z": 200.7241,
        "design_z": 198.6524,
        "delta_z": -2.0717
      },
      {
        "ch": 321.8801,
        "easting": 449563.8058,
        "northing": 6511616.2642,
        "existing_z": 200.5683,
        "design_z": 198.5724,
        "delta_z": -1.9959
      },
      {
        "ch": 330.0,
        "easting": 449569.5475,
        "northing": 6511610.5225,
        "existing_z": 199.8935,
        "design_z": 198.2103,
        "delta_z": -1.6833
      },
      {
        "ch": 340.0,
        "easting": 449576.6185,
        "northing": 6511603.4515,
        "existing_z": 198.8867,
        "design_z": 197.7642,
        "delta_z": -1.1225
      },
      {
        "ch": 350.0,
        "easting": 449583.6896,
        "northing": 6511596.3804,
        "existing_z": 197.9154,
        "design_z": 197.3182,
        "delta_z": -0.5972
      },
      {
        "ch": 360.0,
        "easting": 449590.7607,
        "northing": 6511589.3093,
        "existing_z": 196.9746,
        "design_z": 196.8721,
        "delta_z": -0.1024
      },
      {
        "ch": 361.663,
        "easting": 449591.9366,
        "northing": 6511588.1334,
        "existing_z": 196.798,
        "design_z": 196.798,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD338",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 31.136,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 13.37,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449570.45000001014,
          6511565.60000001
        ],
        "end": [
          449591.93659475393,
          6511588.133405247
        ],
        "chainage_start": 0,
        "length": 31.13564043430574
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449570.45,
        "northing": 6511565.6,
        "existing_z": 192.636,
        "design_z": 192.636,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449577.351,
        "northing": 6511572.8372,
        "existing_z": 193.9825,
        "design_z": 193.9727,
        "delta_z": -0.0098
      },
      {
        "ch": 20.0,
        "easting": 449584.2519,
        "northing": 6511580.0743,
        "existing_z": 195.3382,
        "design_z": 195.3094,
        "delta_z": -0.0288
      },
      {
        "ch": 30.0,
        "easting": 449591.1529,
        "northing": 6511587.3115,
        "existing_z": 196.6633,
        "design_z": 196.6462,
        "delta_z": -0.0171
      },
      {
        "ch": 31.1356,
        "easting": 449591.9366,
        "northing": 6511588.1334,
        "existing_z": 196.798,
        "design_z": 196.798,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD339",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 239.358,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 15.31,
    "radius_review_count": 4,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449269.92,
          6511547.91
        ],
        "end": [
          449351.1390483651,
          6511629.129048365
        ],
        "chainage_start": 0,
        "length": 114.86107972092891
      },
      {
        "type": "ARC",
        "centre": [
          449369.0873323079,
          6511611.180764423
        ],
        "radius": 25.38270657318542,
        "start_angle_rad": 2.356194490202074,
        "sweep_rad": -1.4831893708825137,
        "start": [
          449351.1390483651,
          6511629.129048365
        ],
        "end": [
          449385.3964,
          6511630.6306
        ],
        "chainage_start": 114.86107972092891,
        "length": 37.64736059357833,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449385.39639999985,
          6511630.630600001
        ],
        "end": [
          449403.5633885858,
          6511615.397224611
        ],
        "chainage_start": 152.50844031450725,
        "length": 23.70854698324772
      },
      {
        "type": "ARC",
        "centre": [
          449391.9941457894,
          6511601.6
        ],
        "radius": 18.005854210543376,
        "start_angle_rad": 0.8730051193064728,
        "sweep_rad": -0.8730051193104273,
        "start": [
          449403.5633885858,
          6511615.397224611
        ],
        "end": [
          449410.0,
          6511601.6
        ],
        "chainage_start": 176.21698729775497,
        "length": 15.71920290336158,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449409.99999999994,
          6511601.6
        ],
        "end": [
          449410.0,
          6511598.4
        ],
        "chainage_start": 191.93619020111655,
        "length": 3.199999999254942
      },
      {
        "type": "ARC",
        "centre": [
          449430.27939392393,
          6511598.4
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.7853981633974484,
        "start": [
          449410.0,
          6511598.4
        ],
        "end": [
          449415.93969696196,
          6511584.060303038
        ],
        "chainage_start": 195.1361902003715,
        "length": 15.927398742671137,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449415.93969696196,
          6511584.060303038
        ],
        "end": [
          449427.1461054084,
          6511572.853894591
        ],
        "chainage_start": 211.06358894304262,
        "length": 15.848254810586818
      },
      {
        "type": "ARC",
        "centre": [
          449430.83988582273,
          6511576.547675006
        ],
        "radius": 5.223794358370342,
        "start_angle_rad": -2.3561944901371907,
        "sweep_rad": 1.3156448930823401,
        "start": [
          449427.1461054084,
          6511572.853894591
        ],
        "end": [
          449433.4818,
          6511572.0412
        ],
        "chainage_start": 226.91184375362943,
        "length": 6.87265837010228,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449433.4818000003,
          6511572.041200001
        ],
        "end": [
          449438.29,
          6511574.86
        ],
        "chainage_start": 233.7845021237317,
        "length": 5.573546507775588
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 79.78601621050242,
        "pvi_z": 183.58481283717555,
        "bvc": 55.44863264506064,
        "evc": 104.12339977594421,
        "length": 48.67476713088356,
        "g1": 0.1530887902123293,
        "g2": 0.07196417832752336,
        "z_bvc": 179.85903223020864,
        "K_m_per_percent": 5.999999999999999
      },
      {
        "pvi_ch": 159.57203242100485,
        "pvi_z": 189.3265479357908,
        "bvc": 123.66832512627876,
        "evc": 195.47573971573092,
        "length": 71.80741458945218,
        "g1": 0.07196417832752336,
        "g2": -0.05923009245112324,
        "z_bvc": 186.74276714141394,
        "K_m_per_percent": 5.473365122064437
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449269.92,
        "northing": 6511547.91,
        "existing_z": 171.3705,
        "design_z": 171.3705,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449276.9911,
        "northing": 6511554.9811,
        "existing_z": 172.8858,
        "design_z": 172.9014,
        "delta_z": 0.0155
      },
      {
        "ch": 20.0,
        "easting": 449284.0621,
        "northing": 6511562.0521,
        "existing_z": 174.4707,
        "design_z": 174.4322,
        "delta_z": -0.0384
      },
      {
        "ch": 30.0,
        "easting": 449291.1332,
        "northing": 6511569.1232,
        "existing_z": 176.0877,
        "design_z": 175.9631,
        "delta_z": -0.1246
      },
      {
        "ch": 40.0,
        "easting": 449298.2043,
        "northing": 6511576.1943,
        "existing_z": 177.755,
        "design_z": 177.494,
        "delta_z": -0.261
      },
      {
        "ch": 50.0,
        "easting": 449305.2753,
        "northing": 6511583.2653,
        "existing_z": 179.4701,
        "design_z": 179.0249,
        "delta_z": -0.4452
      },
      {
        "ch": 55.4486,
        "easting": 449309.1281,
        "northing": 6511587.1181,
        "existing_z": 180.4199,
        "design_z": 179.859,
        "delta_z": -0.5609
      },
      {
        "ch": 60.0,
        "easting": 449312.3464,
        "northing": 6511590.3364,
        "existing_z": 181.1928,
        "design_z": 180.5385,
        "delta_z": -0.6543
      },
      {
        "ch": 70.0,
        "easting": 449319.4175,
        "northing": 6511597.4075,
        "existing_z": 182.9189,
        "design_z": 181.9102,
        "delta_z": -1.0086
      },
      {
        "ch": 79.786,
        "easting": 449326.3372,
        "northing": 6511604.3272,
        "existing_z": 184.6346,
        "design_z": 183.0912,
        "delta_z": -1.5434
      },
      {
        "ch": 80.0,
        "easting": 449326.4885,
        "northing": 6511604.4785,
        "existing_z": 184.6725,
        "design_z": 183.1153,
        "delta_z": -1.5572
      },
      {
        "ch": 90.0,
        "easting": 449333.5596,
        "northing": 6511611.5496,
        "existing_z": 186.3981,
        "design_z": 184.1536,
        "delta_z": -2.2445
      },
      {
        "ch": 100.0,
        "easting": 449340.6307,
        "northing": 6511618.6207,
        "existing_z": 188.0319,
        "design_z": 185.0253,
        "delta_z": -3.0066
      },
      {
        "ch": 104.1234,
        "easting": 449343.5464,
        "northing": 6511621.5364,
        "existing_z": 188.7069,
        "design_z": 185.3362,
        "delta_z": -3.3707
      },
      {
        "ch": 110.0,
        "easting": 449347.7017,
        "northing": 6511625.6917,
        "existing_z": 189.6702,
        "design_z": 185.7591,
        "delta_z": -3.9111
      },
      {
        "ch": 120.0,
        "easting": 449355.1146,
        "northing": 6511632.3715,
        "existing_z": 191.1783,
        "design_z": 186.4788,
        "delta_z": -4.6995
      },
      {
        "ch": 123.6683,
        "easting": 449358.3121,
        "northing": 6511634.1629,
        "existing_z": 191.6251,
        "design_z": 186.7428,
        "delta_z": -4.8823
      },
      {
        "ch": 130.0,
        "easting": 449364.3192,
        "northing": 6511636.1116,
        "existing_z": 192.2366,
        "design_z": 187.1618,
        "delta_z": -5.0748
      },
      {
        "ch": 140.0,
        "easting": 449374.2544,
        "northing": 6511636.032,
        "existing_z": 192.6685,
        "design_z": 187.6744,
        "delta_z": -4.9941
      },
      {
        "ch": 150.0,
        "easting": 449383.3978,
        "northing": 6511632.1448,
        "existing_z": 192.4204,
        "design_z": 188.0043,
        "delta_z": -4.4161
      },
      {
        "ch": 159.572,
        "easting": 449390.809,
        "northing": 6511626.0921,
        "existing_z": 191.7625,
        "design_z": 188.149,
        "delta_z": -3.6136
      },
      {
        "ch": 160.0,
        "easting": 449391.1369,
        "northing": 6511625.8171,
        "existing_z": 191.7289,
        "design_z": 188.1515,
        "delta_z": -3.5773
      },
      {
        "ch": 170.0,
        "easting": 449398.7995,
        "northing": 6511619.3918,
        "existing_z": 190.9518,
        "design_z": 188.116,
        "delta_z": -2.8358
      },
      {
        "ch": 180.0,
        "easting": 449406.1865,
        "northing": 6511612.681,
        "existing_z": 190.1412,
        "design_z": 187.8978,
        "delta_z": -2.2434
      },
      {
        "ch": 190.0,
        "easting": 449409.896,
        "northing": 6511603.5325,
        "existing_z": 188.7093,
        "design_z": 187.4969,
        "delta_z": -1.2124
      },
      {
        "ch": 195.4757,
        "easting": 449410.0028,
        "northing": 6511598.0605,
        "existing_z": 187.7494,
        "design_z": 187.2,
        "delta_z": -0.5495
      },
      {
        "ch": 200.0,
        "easting": 449410.5805,
        "northing": 6511593.5827,
        "existing_z": 186.9788,
        "design_z": 186.932,
        "delta_z": -0.0468
      },
      {
        "ch": 210.0,
        "easting": 449415.2077,
        "northing": 6511584.8317,
        "existing_z": 185.51,
        "design_z": 186.3397,
        "delta_z": 0.8297
      },
      {
        "ch": 220.0,
        "easting": 449422.2587,
        "northing": 6511577.7413,
        "existing_z": 184.3986,
        "design_z": 185.7474,
        "delta_z": 1.3488
      },
      {
        "ch": 230.0,
        "easting": 449429.8317,
        "northing": 6511571.4221,
        "existing_z": 183.4692,
        "design_z": 185.1551,
        "delta_z": 1.6859
      },
      {
        "ch": 239.358,
        "easting": 449438.29,
        "northing": 6511574.86,
        "existing_z": 184.6008,
        "design_z": 184.6008,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD340",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 251.956,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.12,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451534.5016808225,
          6511546.727088479
        ],
        "end": [
          451752.7034492144,
          6511672.703449215
        ],
        "chainage_start": 0,
        "length": 251.95645495502038
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 62.989113738755094,
        "pvi_z": 221.13966815712305,
        "bvc": 42.989113738755094,
        "evc": 82.9891137387551,
        "length": 40.0,
        "g1": -0.034296956512115145,
        "g2": -0.06901914797467507,
        "z_bvc": 221.82560728736536,
        "K_m_per_percent": 11.520010205326761
      },
      {
        "pvi_ch": 125.97822747751019,
        "pvi_z": 216.79221319519428,
        "bvc": 105.97822747751019,
        "evc": 145.9782274775102,
        "length": 40.0,
        "g1": -0.06901914797467507,
        "g2": -0.07119760712710282,
        "z_bvc": 218.17259615468777,
        "K_m_per_percent": 183.61602032070448
      },
      {
        "pvi_ch": 188.96734121626528,
        "pvi_z": 212.307539021938,
        "bvc": 168.96734121626528,
        "evc": 208.96734121626528,
        "length": 40.0,
        "g1": -0.07119760712710282,
        "g2": -0.06372223856223765,
        "z_bvc": 213.73149116448005,
        "K_m_per_percent": 53.50906734953933
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451534.5017,
        "northing": 6511546.7271,
        "existing_z": 223.3,
        "design_z": 223.3,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451543.162,
        "northing": 6511551.727,
        "existing_z": 223.3147,
        "design_z": 222.957,
        "delta_z": -0.3576
      },
      {
        "ch": 20.0,
        "easting": 451551.8223,
        "northing": 6511556.7269,
        "existing_z": 223.2947,
        "design_z": 222.6141,
        "delta_z": -0.6806
      },
      {
        "ch": 30.0,
        "easting": 451560.4826,
        "northing": 6511561.7269,
        "existing_z": 223.0857,
        "design_z": 222.2711,
        "delta_z": -0.8146
      },
      {
        "ch": 40.0,
        "easting": 451569.1429,
        "northing": 6511566.7268,
        "existing_z": 222.8563,
        "design_z": 221.9281,
        "delta_z": -0.9282
      },
      {
        "ch": 42.9891,
        "easting": 451571.7315,
        "northing": 6511568.2213,
        "existing_z": 222.7381,
        "design_z": 221.8256,
        "delta_z": -0.9125
      },
      {
        "ch": 50.0,
        "easting": 451577.8032,
        "northing": 6511571.7267,
        "existing_z": 222.3979,
        "design_z": 221.5638,
        "delta_z": -0.8341
      },
      {
        "ch": 60.0,
        "easting": 451586.4635,
        "northing": 6511576.7266,
        "existing_z": 221.8882,
        "design_z": 221.1166,
        "delta_z": -0.7716
      },
      {
        "ch": 62.9891,
        "easting": 451589.0521,
        "northing": 6511578.2212,
        "existing_z": 221.7301,
        "design_z": 220.9661,
        "delta_z": -0.7641
      },
      {
        "ch": 70.0,
        "easting": 451595.1238,
        "northing": 6511581.7266,
        "existing_z": 221.2565,
        "design_z": 220.5826,
        "delta_z": -0.674
      },
      {
        "ch": 80.0,
        "easting": 451603.7841,
        "northing": 6511586.7265,
        "existing_z": 220.5398,
        "design_z": 219.9617,
        "delta_z": -0.5781
      },
      {
        "ch": 82.9891,
        "easting": 451606.3727,
        "northing": 6511588.221,
        "existing_z": 220.3219,
        "design_z": 219.7593,
        "delta_z": -0.5626
      },
      {
        "ch": 90.0,
        "easting": 451612.4444,
        "northing": 6511591.7264,
        "existing_z": 219.784,
        "design_z": 219.2754,
        "delta_z": -0.5086
      },
      {
        "ch": 100.0,
        "easting": 451621.1046,
        "northing": 6511596.7263,
        "existing_z": 218.9527,
        "design_z": 218.5852,
        "delta_z": -0.3675
      },
      {
        "ch": 105.9782,
        "easting": 451626.282,
        "northing": 6511599.7154,
        "existing_z": 218.447,
        "design_z": 218.1726,
        "delta_z": -0.2744
      },
      {
        "ch": 110.0,
        "easting": 451629.7649,
        "northing": 6511601.7263,
        "existing_z": 218.1031,
        "design_z": 217.8946,
        "delta_z": -0.2085
      },
      {
        "ch": 120.0,
        "easting": 451638.4252,
        "northing": 6511606.7262,
        "existing_z": 217.2396,
        "design_z": 217.1995,
        "delta_z": -0.0401
      },
      {
        "ch": 125.9782,
        "easting": 451643.6026,
        "northing": 6511609.7153,
        "existing_z": 216.7167,
        "design_z": 216.7813,
        "delta_z": 0.0646
      },
      {
        "ch": 130.0,
        "easting": 451647.0855,
        "northing": 6511611.7261,
        "existing_z": 216.3718,
        "design_z": 216.4989,
        "delta_z": 0.1271
      },
      {
        "ch": 140.0,
        "easting": 451655.7458,
        "northing": 6511616.7261,
        "existing_z": 215.5931,
        "design_z": 215.7929,
        "delta_z": 0.1998
      },
      {
        "ch": 145.9782,
        "easting": 451660.9232,
        "northing": 6511619.7151,
        "existing_z": 215.1477,
        "design_z": 215.3683,
        "delta_z": 0.2205
      },
      {
        "ch": 150.0,
        "easting": 451664.4061,
        "northing": 6511621.726,
        "existing_z": 214.846,
        "design_z": 215.0819,
        "delta_z": 0.2359
      },
      {
        "ch": 160.0,
        "easting": 451673.0664,
        "northing": 6511626.7259,
        "existing_z": 214.1289,
        "design_z": 214.3699,
        "delta_z": 0.2411
      },
      {
        "ch": 168.9673,
        "easting": 451680.8324,
        "northing": 6511631.2095,
        "existing_z": 213.5467,
        "design_z": 213.7315,
        "delta_z": 0.1848
      },
      {
        "ch": 170.0,
        "easting": 451681.7267,
        "northing": 6511631.7258,
        "existing_z": 213.48,
        "design_z": 213.6581,
        "delta_z": 0.178
      },
      {
        "ch": 180.0,
        "easting": 451690.387,
        "northing": 6511636.7258,
        "existing_z": 212.8223,
        "design_z": 212.9574,
        "delta_z": 0.1351
      },
      {
        "ch": 188.9673,
        "easting": 451698.153,
        "northing": 6511641.2094,
        "existing_z": 212.188,
        "design_z": 212.3449,
        "delta_z": 0.1569
      },
      {
        "ch": 190.0,
        "easting": 451699.0473,
        "northing": 6511641.7257,
        "existing_z": 212.114,
        "design_z": 212.2754,
        "delta_z": 0.1613
      },
      {
        "ch": 200.0,
        "easting": 451707.7076,
        "northing": 6511646.7256,
        "existing_z": 211.3863,
        "design_z": 211.612,
        "delta_z": 0.2258
      },
      {
        "ch": 208.9673,
        "easting": 451715.4736,
        "northing": 6511651.2092,
        "existing_z": 210.7029,
        "design_z": 211.0331,
        "delta_z": 0.3302
      },
      {
        "ch": 210.0,
        "easting": 451716.3679,
        "northing": 6511651.7255,
        "existing_z": 210.6247,
        "design_z": 210.9673,
        "delta_z": 0.3426
      },
      {
        "ch": 220.0,
        "easting": 451725.0282,
        "northing": 6511656.7255,
        "existing_z": 209.8654,
        "design_z": 210.3301,
        "delta_z": 0.4646
      },
      {
        "ch": 230.0,
        "easting": 451733.6885,
        "northing": 6511661.7254,
        "existing_z": 209.2039,
        "design_z": 209.6928,
        "delta_z": 0.489
      },
      {
        "ch": 240.0,
        "easting": 451742.3488,
        "northing": 6511666.7253,
        "existing_z": 208.6922,
        "design_z": 209.0556,
        "delta_z": 0.3635
      },
      {
        "ch": 250.0,
        "easting": 451751.0091,
        "northing": 6511671.7252,
        "existing_z": 208.2613,
        "design_z": 208.4184,
        "delta_z": 0.1571
      },
      {
        "ch": 251.9565,
        "easting": 451752.7034,
        "northing": 6511672.7034,
        "existing_z": 208.2937,
        "design_z": 208.2937,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD341",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 147.644,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 15.66,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449570.45000001014,
          6511565.60000001
        ],
        "end": [
          449674.8499999999,
          6511670.0
        ],
        "chainage_start": 0,
        "length": 147.64389589754302
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 73.82194794877151,
        "pvi_z": 202.18461264558994,
        "bvc": 53.82194794877151,
        "evc": 93.82194794877151,
        "length": 40.0,
        "g1": 0.12934671304110226,
        "g2": 0.15660623819346656,
        "z_bvc": 199.5976783847679,
        "K_m_per_percent": 14.673769912140486
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449570.45,
        "northing": 6511565.6,
        "existing_z": 192.636,
        "design_z": 192.636,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449577.5211,
        "northing": 6511572.6711,
        "existing_z": 193.9616,
        "design_z": 193.9295,
        "delta_z": -0.0322
      },
      {
        "ch": 20.0,
        "easting": 449584.5921,
        "northing": 6511579.7421,
        "existing_z": 195.2965,
        "design_z": 195.2229,
        "delta_z": -0.0736
      },
      {
        "ch": 30.0,
        "easting": 449591.6632,
        "northing": 6511586.8132,
        "existing_z": 196.5886,
        "design_z": 196.5164,
        "delta_z": -0.0722
      },
      {
        "ch": 40.0,
        "easting": 449598.7343,
        "northing": 6511593.8843,
        "existing_z": 197.7402,
        "design_z": 197.8099,
        "delta_z": 0.0696
      },
      {
        "ch": 50.0,
        "easting": 449605.8053,
        "northing": 6511600.9553,
        "existing_z": 198.8539,
        "design_z": 199.1033,
        "delta_z": 0.2494
      },
      {
        "ch": 53.8219,
        "easting": 449608.5079,
        "northing": 6511603.6579,
        "existing_z": 199.2689,
        "design_z": 199.5977,
        "delta_z": 0.3288
      },
      {
        "ch": 60.0,
        "easting": 449612.8764,
        "northing": 6511608.0264,
        "existing_z": 199.9758,
        "design_z": 200.4098,
        "delta_z": 0.434
      },
      {
        "ch": 70.0,
        "easting": 449619.9475,
        "northing": 6511615.0975,
        "existing_z": 201.2,
        "design_z": 201.7794,
        "delta_z": 0.5795
      },
      {
        "ch": 73.8219,
        "easting": 449622.65,
        "northing": 6511617.8,
        "existing_z": 201.675,
        "design_z": 202.3209,
        "delta_z": 0.6459
      },
      {
        "ch": 80.0,
        "easting": 449627.0185,
        "northing": 6511622.1685,
        "existing_z": 202.4439,
        "design_z": 203.2172,
        "delta_z": 0.7734
      },
      {
        "ch": 90.0,
        "easting": 449634.0896,
        "northing": 6511629.2396,
        "existing_z": 203.8704,
        "design_z": 204.7232,
        "delta_z": 0.8528
      },
      {
        "ch": 93.8219,
        "easting": 449636.7921,
        "northing": 6511631.9421,
        "existing_z": 204.4735,
        "design_z": 205.3167,
        "delta_z": 0.8432
      },
      {
        "ch": 100.0,
        "easting": 449641.1607,
        "northing": 6511636.3107,
        "existing_z": 205.4521,
        "design_z": 206.2843,
        "delta_z": 0.8322
      },
      {
        "ch": 110.0,
        "easting": 449648.2317,
        "northing": 6511643.3817,
        "existing_z": 207.0426,
        "design_z": 207.8503,
        "delta_z": 0.8077
      },
      {
        "ch": 120.0,
        "easting": 449655.3028,
        "northing": 6511650.4528,
        "existing_z": 208.8227,
        "design_z": 209.4164,
        "delta_z": 0.5937
      },
      {
        "ch": 130.0,
        "easting": 449662.3739,
        "northing": 6511657.5239,
        "existing_z": 210.5732,
        "design_z": 210.9824,
        "delta_z": 0.4093
      },
      {
        "ch": 140.0,
        "easting": 449669.4449,
        "northing": 6511664.5949,
        "existing_z": 212.3145,
        "design_z": 212.5485,
        "delta_z": 0.234
      },
      {
        "ch": 147.6439,
        "easting": 449674.85,
        "northing": 6511670.0,
        "existing_z": 213.7456,
        "design_z": 213.7456,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD342",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 212.777,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 9.73,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451771.76116203674,
          6511568.238837963
        ],
        "end": [
          451956.03,
          6511674.63
        ],
        "chainage_start": 0,
        "length": 212.77707584208093
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.9256919473603,
        "pvi_z": 210.5959878732235,
        "bvc": 50.925691947360306,
        "evc": 90.9256919473603,
        "length": 40.0,
        "g1": 0.09733639034800588,
        "g2": 0.0901420813204275,
        "z_bvc": 208.64926006626337,
        "K_m_per_percent": 55.59950211572171
      },
      {
        "pvi_ch": 141.8513838947206,
        "pvi_z": 216.98937736445004,
        "bvc": 121.85138389472061,
        "evc": 161.8513838947206,
        "length": 40.0,
        "g1": 0.0901420813204275,
        "g2": 0.07170843732783458,
        "z_bvc": 215.1865357380415,
        "K_m_per_percent": 21.69945346458516
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451771.7612,
        "northing": 6511568.2388,
        "existing_z": 203.6923,
        "design_z": 203.6923,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451780.4213,
        "northing": 6511573.239,
        "existing_z": 203.985,
        "design_z": 204.6657,
        "delta_z": 0.6807
      },
      {
        "ch": 20.0,
        "easting": 451789.0815,
        "northing": 6511578.2391,
        "existing_z": 204.4419,
        "design_z": 205.6391,
        "delta_z": 1.1972
      },
      {
        "ch": 30.0,
        "easting": 451797.7417,
        "northing": 6511583.2392,
        "existing_z": 205.5079,
        "design_z": 206.6124,
        "delta_z": 1.1045
      },
      {
        "ch": 40.0,
        "easting": 451806.4019,
        "northing": 6511588.2393,
        "existing_z": 206.6944,
        "design_z": 207.5858,
        "delta_z": 0.8914
      },
      {
        "ch": 50.0,
        "easting": 451815.0621,
        "northing": 6511593.2395,
        "existing_z": 207.9493,
        "design_z": 208.5592,
        "delta_z": 0.6099
      },
      {
        "ch": 50.9257,
        "easting": 451815.8637,
        "northing": 6511593.7023,
        "existing_z": 208.0679,
        "design_z": 208.6493,
        "delta_z": 0.5813
      },
      {
        "ch": 60.0,
        "easting": 451823.7223,
        "northing": 6511598.2396,
        "existing_z": 209.2339,
        "design_z": 209.5251,
        "delta_z": 0.2912
      },
      {
        "ch": 70.0,
        "easting": 451832.3824,
        "northing": 6511603.2397,
        "existing_z": 210.5048,
        "design_z": 210.4732,
        "delta_z": -0.0316
      },
      {
        "ch": 70.9257,
        "easting": 451833.1841,
        "northing": 6511603.7026,
        "existing_z": 210.6177,
        "design_z": 210.56,
        "delta_z": -0.0577
      },
      {
        "ch": 80.0,
        "easting": 451841.0426,
        "northing": 6511608.2398,
        "existing_z": 211.7192,
        "design_z": 211.4032,
        "delta_z": -0.3159
      },
      {
        "ch": 90.0,
        "easting": 451849.7028,
        "northing": 6511613.2399,
        "existing_z": 212.9023,
        "design_z": 212.3153,
        "delta_z": -0.587
      },
      {
        "ch": 90.9257,
        "easting": 451850.5045,
        "northing": 6511613.7028,
        "existing_z": 213.0017,
        "design_z": 212.3988,
        "delta_z": -0.6029
      },
      {
        "ch": 100.0,
        "easting": 451858.363,
        "northing": 6511618.2401,
        "existing_z": 213.9153,
        "design_z": 213.2168,
        "delta_z": -0.6984
      },
      {
        "ch": 110.0,
        "easting": 451867.0232,
        "northing": 6511623.2402,
        "existing_z": 214.8959,
        "design_z": 214.1182,
        "delta_z": -0.7776
      },
      {
        "ch": 120.0,
        "easting": 451875.6834,
        "northing": 6511628.2403,
        "existing_z": 215.7462,
        "design_z": 215.0196,
        "delta_z": -0.7266
      },
      {
        "ch": 121.8514,
        "easting": 451877.2867,
        "northing": 6511629.166,
        "existing_z": 215.8914,
        "design_z": 215.1865,
        "delta_z": -0.7049
      },
      {
        "ch": 130.0,
        "easting": 451884.3435,
        "northing": 6511633.2404,
        "existing_z": 216.5042,
        "design_z": 215.9058,
        "delta_z": -0.5984
      },
      {
        "ch": 140.0,
        "easting": 451893.0037,
        "northing": 6511638.2406,
        "existing_z": 217.2178,
        "design_z": 216.7466,
        "delta_z": -0.4712
      },
      {
        "ch": 141.8514,
        "easting": 451894.6071,
        "northing": 6511639.1663,
        "existing_z": 217.3417,
        "design_z": 216.8972,
        "delta_z": -0.4445
      },
      {
        "ch": 150.0,
        "easting": 451901.6639,
        "northing": 6511643.2407,
        "existing_z": 217.8923,
        "design_z": 217.5413,
        "delta_z": -0.351
      },
      {
        "ch": 160.0,
        "easting": 451910.3241,
        "northing": 6511648.2408,
        "existing_z": 218.5785,
        "design_z": 218.29,
        "delta_z": -0.2885
      },
      {
        "ch": 161.8514,
        "easting": 451911.9274,
        "northing": 6511649.1665,
        "existing_z": 218.7006,
        "design_z": 218.4235,
        "delta_z": -0.2771
      },
      {
        "ch": 170.0,
        "easting": 451918.9843,
        "northing": 6511653.2409,
        "existing_z": 219.2404,
        "design_z": 219.0079,
        "delta_z": -0.2326
      },
      {
        "ch": 180.0,
        "easting": 451927.6445,
        "northing": 6511658.2411,
        "existing_z": 219.9232,
        "design_z": 219.725,
        "delta_z": -0.1982
      },
      {
        "ch": 190.0,
        "easting": 451936.3046,
        "northing": 6511663.2412,
        "existing_z": 220.5835,
        "design_z": 220.442,
        "delta_z": -0.1414
      },
      {
        "ch": 200.0,
        "easting": 451944.9648,
        "northing": 6511668.2413,
        "existing_z": 221.2542,
        "design_z": 221.1591,
        "delta_z": -0.0951
      },
      {
        "ch": 210.0,
        "easting": 451953.625,
        "northing": 6511673.2414,
        "existing_z": 221.905,
        "design_z": 221.8762,
        "delta_z": -0.0288
      },
      {
        "ch": 212.7771,
        "easting": 451956.03,
        "northing": 6511674.63,
        "existing_z": 222.0753,
        "design_z": 222.0753,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD343",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 104.497,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.23,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450172.00999999983,
          6511650.0
        ],
        "end": [
          450182.4441999999,
          6511650.0
        ],
        "chainage_start": 0,
        "length": 10.434200000076089
      },
      {
        "type": "ARC",
        "centre": [
          450182.4441999999,
          6511633.062790313
        ],
        "radius": 16.93720968700823,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -0.8392228159889709,
        "start": [
          450182.4441999999,
          6511650.0
        ],
        "end": [
          450195.0475868243,
          6511644.377546719
        ],
        "chainage_start": 10.434200000076089,
        "length": 14.214092808526724,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450195.0475868243,
          6511644.377546719
        ],
        "end": [
          450248.39,
          6511584.96
        ],
        "chainage_start": 24.64829280860281,
        "length": 79.84896932053975
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 52.248631064571285,
        "pvi_z": 236.33598737781108,
        "bvc": 32.248631064571285,
        "evc": 72.24863106457128,
        "length": 40.0,
        "g1": -0.1223140748122306,
        "g2": -0.11293034174059191,
        "z_bvc": 238.7822688740557,
        "K_m_per_percent": 42.62695847657437
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450172.01,
        "northing": 6511650.0,
        "existing_z": 242.7267,
        "design_z": 242.7267,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450182.01,
        "northing": 6511650.0,
        "existing_z": 241.5242,
        "design_z": 241.5036,
        "delta_z": -0.0206
      },
      {
        "ch": 20.0,
        "easting": 450191.5095,
        "northing": 6511647.3698,
        "existing_z": 240.2201,
        "design_z": 240.2804,
        "delta_z": 0.0604
      },
      {
        "ch": 30.0,
        "easting": 450198.6227,
        "northing": 6511640.3952,
        "existing_z": 239.0304,
        "design_z": 239.0573,
        "delta_z": 0.0269
      },
      {
        "ch": 32.2486,
        "easting": 450200.1249,
        "northing": 6511638.722,
        "existing_z": 238.7487,
        "design_z": 238.7823,
        "delta_z": 0.0336
      },
      {
        "ch": 40.0,
        "easting": 450205.3032,
        "northing": 6511632.954,
        "existing_z": 237.7443,
        "design_z": 237.8412,
        "delta_z": 0.0969
      },
      {
        "ch": 50.0,
        "easting": 450211.9836,
        "northing": 6511625.5127,
        "existing_z": 236.4579,
        "design_z": 236.648,
        "delta_z": 0.1901
      },
      {
        "ch": 52.2486,
        "easting": 450213.4858,
        "northing": 6511623.8395,
        "existing_z": 236.2118,
        "design_z": 236.3829,
        "delta_z": 0.1711
      },
      {
        "ch": 60.0,
        "easting": 450218.664,
        "northing": 6511618.0715,
        "existing_z": 235.3392,
        "design_z": 235.4782,
        "delta_z": 0.139
      },
      {
        "ch": 70.0,
        "easting": 450225.3444,
        "northing": 6511610.6302,
        "existing_z": 234.1576,
        "design_z": 234.3319,
        "delta_z": 0.1743
      },
      {
        "ch": 72.2486,
        "easting": 450226.8466,
        "northing": 6511608.957,
        "existing_z": 233.8747,
        "design_z": 234.0774,
        "delta_z": 0.2027
      },
      {
        "ch": 80.0,
        "easting": 450232.0248,
        "northing": 6511603.189,
        "existing_z": 232.9436,
        "design_z": 233.202,
        "delta_z": 0.2584
      },
      {
        "ch": 90.0,
        "easting": 450238.7052,
        "northing": 6511595.7478,
        "existing_z": 231.8712,
        "design_z": 232.0727,
        "delta_z": 0.2016
      },
      {
        "ch": 100.0,
        "easting": 450245.3856,
        "northing": 6511588.3065,
        "existing_z": 230.8204,
        "design_z": 230.9434,
        "delta_z": 0.123
      },
      {
        "ch": 104.4973,
        "easting": 450248.39,
        "northing": 6511584.96,
        "existing_z": 230.4355,
        "design_z": 230.4355,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD344",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 112.566,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.43,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451752.7034492144,
          6511672.703449215
        ],
        "end": [
          451751.1354486701,
          6511671.13544867
        ],
        "chainage_start": 0,
        "length": 2.2174876359266684
      },
      {
        "type": "ARC",
        "centre": [
          451752.2708973404,
          6511670.0
        ],
        "radius": 1.6057669088030968,
        "start_angle_rad": 2.356194490320505,
        "sweep_rad": 1.5707963267195384,
        "start": [
          451751.1354486701,
          6511671.13544867
        ],
        "end": [
          451751.13544867013,
          6511668.86455133
        ],
        "chainage_start": 2.2174876359266684,
        "length": 2.5223327619156923,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451751.13544867025,
          6511668.86455133
        ],
        "end": [
          451761.6,
          6511658.4
        ],
        "chainage_start": 4.739820397842361,
        "length": 14.799110414570048
      },
      {
        "type": "ARC",
        "centre": [
          451741.32060607604,
          6511638.120606077
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 0.7853981633859671,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451761.6,
          6511658.4
        ],
        "end": [
          451770.0,
          6511638.120606076
        ],
        "chainage_start": 19.53893081241241,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451770.0,
          6511638.120606077
        ],
        "end": [
          451770.0,
          6511571.04607688
        ],
        "chainage_start": 42.06367412762211,
        "length": 67.07452919706702
      },
      {
        "type": "ARC",
        "centre": [
          451772.5254529913,
          6511571.04607688
        ],
        "radius": 2.5254529912793067,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.7853981633148215,
        "start": [
          451770.0,
          6511571.04607688
        ],
        "end": [
          451770.7396880554,
          6511569.260311944
        ],
        "chainage_start": 109.13820332468913,
        "length": 1.9834861408886892,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451770.7396880555,
          6511569.260311944
        ],
        "end": [
          451771.76116203674,
          6511568.238837963
        ],
        "chainage_start": 111.12168946557782,
        "length": 1.4445823580403092
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 56.28313591180906,
        "pvi_z": 206.18562331856936,
        "bvc": 36.28313591180906,
        "evc": 76.28313591180907,
        "length": 40.0,
        "g1": -0.03745541780378048,
        "g2": -0.04429899368690673,
        "z_bvc": 206.93473167464498,
        "K_m_per_percent": 58.44897562782249
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451752.7034,
        "northing": 6511672.7034,
        "existing_z": 208.2937,
        "design_z": 208.2937,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451754.855,
        "northing": 6511665.145,
        "existing_z": 207.9696,
        "design_z": 207.9192,
        "delta_z": -0.0504
      },
      {
        "ch": 20.0,
        "easting": 451761.9234,
        "northing": 6511658.0714,
        "existing_z": 207.6023,
        "design_z": 207.5446,
        "delta_z": -0.0577
      },
      {
        "ch": 30.0,
        "easting": 451767.5,
        "northing": 6511649.8317,
        "existing_z": 207.1539,
        "design_z": 207.1701,
        "delta_z": 0.0162
      },
      {
        "ch": 36.2831,
        "easting": 451769.4194,
        "northing": 6511643.8621,
        "existing_z": 206.9379,
        "design_z": 206.9347,
        "delta_z": -0.0031
      },
      {
        "ch": 40.0,
        "easting": 451769.9258,
        "northing": 6511640.1825,
        "existing_z": 206.8086,
        "design_z": 206.7943,
        "delta_z": -0.0142
      },
      {
        "ch": 50.0,
        "easting": 451770.0,
        "northing": 6511630.1843,
        "existing_z": 206.4657,
        "design_z": 206.4049,
        "delta_z": -0.0608
      },
      {
        "ch": 56.2831,
        "easting": 451770.0,
        "northing": 6511623.9011,
        "existing_z": 206.2832,
        "design_z": 206.1514,
        "delta_z": -0.1318
      },
      {
        "ch": 60.0,
        "easting": 451770.0,
        "northing": 6511620.1843,
        "existing_z": 206.1757,
        "design_z": 205.9983,
        "delta_z": -0.1774
      },
      {
        "ch": 70.0,
        "easting": 451770.0,
        "northing": 6511610.1843,
        "existing_z": 205.8868,
        "design_z": 205.5746,
        "delta_z": -0.3122
      },
      {
        "ch": 76.2831,
        "easting": 451770.0,
        "northing": 6511603.9011,
        "existing_z": 205.5173,
        "design_z": 205.2996,
        "delta_z": -0.2176
      },
      {
        "ch": 80.0,
        "easting": 451770.0,
        "northing": 6511600.1843,
        "existing_z": 205.2953,
        "design_z": 205.135,
        "delta_z": -0.1603
      },
      {
        "ch": 90.0,
        "easting": 451770.0,
        "northing": 6511590.1843,
        "existing_z": 204.6982,
        "design_z": 204.692,
        "delta_z": -0.0062
      },
      {
        "ch": 100.0,
        "easting": 451770.0,
        "northing": 6511580.1843,
        "existing_z": 204.2249,
        "design_z": 204.249,
        "delta_z": 0.0242
      },
      {
        "ch": 110.0,
        "easting": 451770.1456,
        "northing": 6511570.2009,
        "existing_z": 203.7552,
        "design_z": 203.806,
        "delta_z": 0.0509
      },
      {
        "ch": 112.5663,
        "easting": 451771.7612,
        "northing": 6511568.2388,
        "existing_z": 203.6923,
        "design_z": 203.6923,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD345",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 73.553,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.59,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450120.0,
          6511597.99
        ],
        "end": [
          450172.00999999983,
          6511650.0
        ],
        "chainage_start": 0,
        "length": 73.55324737874973
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450120.0,
        "northing": 6511597.99,
        "existing_z": 238.6182,
        "design_z": 238.6182,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450127.0711,
        "northing": 6511605.0611,
        "existing_z": 240.6727,
        "design_z": 239.1768,
        "delta_z": -1.496
      },
      {
        "ch": 20.0,
        "easting": 450134.1421,
        "northing": 6511612.1321,
        "existing_z": 242.0354,
        "design_z": 239.7353,
        "delta_z": -2.3
      },
      {
        "ch": 30.0,
        "easting": 450141.2132,
        "northing": 6511619.2032,
        "existing_z": 242.8235,
        "design_z": 240.2939,
        "delta_z": -2.5296
      },
      {
        "ch": 40.0,
        "easting": 450148.2843,
        "northing": 6511626.2743,
        "existing_z": 243.4797,
        "design_z": 240.8525,
        "delta_z": -2.6272
      },
      {
        "ch": 50.0,
        "easting": 450155.3553,
        "northing": 6511633.3453,
        "existing_z": 243.422,
        "design_z": 241.4111,
        "delta_z": -2.0109
      },
      {
        "ch": 60.0,
        "easting": 450162.4264,
        "northing": 6511640.4164,
        "existing_z": 243.1345,
        "design_z": 241.9697,
        "delta_z": -1.1648
      },
      {
        "ch": 70.0,
        "easting": 450169.4975,
        "northing": 6511647.4875,
        "existing_z": 242.8367,
        "design_z": 242.5283,
        "delta_z": -0.3084
      },
      {
        "ch": 73.5532,
        "easting": 450172.01,
        "northing": 6511650.0,
        "existing_z": 242.7267,
        "design_z": 242.7267,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD346",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 326.542,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 10.07,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450319.099999999,
          6511514.249999999
        ],
        "end": [
          450550.0,
          6511745.15
        ],
        "chainage_start": 0,
        "length": 326.54191155358575
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 65.30838231071715,
        "pvi_z": 246.13103865418242,
        "bvc": 45.30838231071715,
        "evc": 85.30838231071715,
        "length": 40.0,
        "g1": 0.0939268783771542,
        "g2": 0.1007424177808172,
        "z_bvc": 244.25250108663934,
        "K_m_per_percent": 58.68941199063725
      },
      {
        "pvi_ch": 130.6167646214343,
        "pvi_z": 252.71036298951802,
        "bvc": 110.6167646214343,
        "evc": 150.6167646214343,
        "length": 40.0,
        "g1": 0.1007424177808172,
        "g2": 0.09474469638635191,
        "z_bvc": 250.69551463390167,
        "K_m_per_percent": 66.6919941244888
      },
      {
        "pvi_ch": 195.92514693215145,
        "pvi_z": 258.8979858430307,
        "bvc": 175.92514693215145,
        "evc": 215.92514693215145,
        "length": 40.0,
        "g1": 0.09474469638635191,
        "g2": 0.07558970107273139,
        "z_bvc": 257.0030919153037,
        "K_m_per_percent": 20.882281277070966
      },
      {
        "pvi_ch": 261.2335292428686,
        "pvi_z": 263.8346269394415,
        "bvc": 241.2335292428686,
        "evc": 281.2335292428686,
        "length": 40.0,
        "g1": 0.07558970107273139,
        "g2": 0.0369939331555404,
        "z_bvc": 262.32283291798683,
        "K_m_per_percent": 10.363830585213867
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450319.1,
        "northing": 6511514.25,
        "existing_z": 239.9968,
        "design_z": 239.9968,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450326.1711,
        "northing": 6511521.3211,
        "existing_z": 240.9181,
        "design_z": 240.9361,
        "delta_z": 0.018
      },
      {
        "ch": 20.0,
        "easting": 450333.2421,
        "northing": 6511528.3921,
        "existing_z": 241.879,
        "design_z": 241.8754,
        "delta_z": -0.0036
      },
      {
        "ch": 30.0,
        "easting": 450340.3132,
        "northing": 6511535.4632,
        "existing_z": 242.751,
        "design_z": 242.8146,
        "delta_z": 0.0637
      },
      {
        "ch": 40.0,
        "easting": 450347.3843,
        "northing": 6511542.5343,
        "existing_z": 243.6181,
        "design_z": 243.7539,
        "delta_z": 0.1358
      },
      {
        "ch": 45.3084,
        "easting": 450351.1379,
        "northing": 6511546.2879,
        "existing_z": 244.103,
        "design_z": 244.2525,
        "delta_z": 0.1495
      },
      {
        "ch": 50.0,
        "easting": 450354.4553,
        "northing": 6511549.6053,
        "existing_z": 244.5714,
        "design_z": 244.695,
        "delta_z": 0.1236
      },
      {
        "ch": 60.0,
        "easting": 450361.5264,
        "northing": 6511556.6764,
        "existing_z": 245.4671,
        "design_z": 245.6508,
        "delta_z": 0.1837
      },
      {
        "ch": 65.3084,
        "easting": 450365.28,
        "northing": 6511560.43,
        "existing_z": 245.9678,
        "design_z": 246.1651,
        "delta_z": 0.1973
      },
      {
        "ch": 70.0,
        "easting": 450368.5975,
        "northing": 6511563.7475,
        "existing_z": 246.4279,
        "design_z": 246.6236,
        "delta_z": 0.1958
      },
      {
        "ch": 80.0,
        "easting": 450375.6685,
        "northing": 6511570.8185,
        "existing_z": 247.6089,
        "design_z": 247.6135,
        "delta_z": 0.0047
      },
      {
        "ch": 85.3084,
        "easting": 450379.4221,
        "northing": 6511574.5721,
        "existing_z": 248.1741,
        "design_z": 248.1459,
        "delta_z": -0.0282
      },
      {
        "ch": 90.0,
        "easting": 450382.7396,
        "northing": 6511577.8896,
        "existing_z": 248.6771,
        "design_z": 248.6185,
        "delta_z": -0.0585
      },
      {
        "ch": 100.0,
        "easting": 450389.8107,
        "northing": 6511584.9607,
        "existing_z": 249.7595,
        "design_z": 249.626,
        "delta_z": -0.1336
      },
      {
        "ch": 110.0,
        "easting": 450396.8817,
        "northing": 6511592.0317,
        "existing_z": 250.8371,
        "design_z": 250.6334,
        "delta_z": -0.2038
      },
      {
        "ch": 110.6168,
        "easting": 450397.3179,
        "northing": 6511592.4679,
        "existing_z": 250.9004,
        "design_z": 250.6955,
        "delta_z": -0.2049
      },
      {
        "ch": 120.0,
        "easting": 450403.9528,
        "northing": 6511599.1028,
        "existing_z": 251.8368,
        "design_z": 251.6342,
        "delta_z": -0.2026
      },
      {
        "ch": 130.0,
        "easting": 450411.0239,
        "northing": 6511606.1739,
        "existing_z": 252.765,
        "design_z": 252.6201,
        "delta_z": -0.1449
      },
      {
        "ch": 130.6168,
        "easting": 450411.46,
        "northing": 6511606.61,
        "existing_z": 252.8146,
        "design_z": 252.6804,
        "delta_z": -0.1342
      },
      {
        "ch": 140.0,
        "easting": 450418.0949,
        "northing": 6511613.2449,
        "existing_z": 253.6621,
        "design_z": 253.5909,
        "delta_z": -0.0712
      },
      {
        "ch": 150.0,
        "easting": 450425.166,
        "northing": 6511620.316,
        "existing_z": 254.6043,
        "design_z": 254.5468,
        "delta_z": -0.0575
      },
      {
        "ch": 150.6168,
        "easting": 450425.6021,
        "northing": 6511620.7521,
        "existing_z": 254.6597,
        "design_z": 254.6053,
        "delta_z": -0.0544
      },
      {
        "ch": 160.0,
        "easting": 450432.2371,
        "northing": 6511627.3871,
        "existing_z": 255.4749,
        "design_z": 255.4943,
        "delta_z": 0.0194
      },
      {
        "ch": 170.0,
        "easting": 450439.3082,
        "northing": 6511634.4582,
        "existing_z": 256.5102,
        "design_z": 256.4417,
        "delta_z": -0.0685
      },
      {
        "ch": 175.9251,
        "easting": 450443.4979,
        "northing": 6511638.6479,
        "existing_z": 257.1341,
        "design_z": 257.0031,
        "delta_z": -0.131
      },
      {
        "ch": 180.0,
        "easting": 450446.3792,
        "northing": 6511641.5292,
        "existing_z": 257.5381,
        "design_z": 257.3852,
        "delta_z": -0.1529
      },
      {
        "ch": 190.0,
        "easting": 450453.4503,
        "northing": 6511648.6003,
        "existing_z": 258.4533,
        "design_z": 258.2892,
        "delta_z": -0.1641
      },
      {
        "ch": 195.9251,
        "easting": 450457.64,
        "northing": 6511652.79,
        "existing_z": 259.0499,
        "design_z": 258.8022,
        "delta_z": -0.2477
      },
      {
        "ch": 200.0,
        "easting": 450460.5214,
        "northing": 6511655.6714,
        "existing_z": 259.4702,
        "design_z": 259.1453,
        "delta_z": -0.3249
      },
      {
        "ch": 210.0,
        "easting": 450467.5924,
        "northing": 6511662.7424,
        "existing_z": 260.4621,
        "design_z": 259.9535,
        "delta_z": -0.5086
      },
      {
        "ch": 215.9251,
        "easting": 450471.7821,
        "northing": 6511666.9321,
        "existing_z": 260.9869,
        "design_z": 260.4098,
        "delta_z": -0.5772
      },
      {
        "ch": 220.0,
        "easting": 450474.6635,
        "northing": 6511669.8135,
        "existing_z": 261.3192,
        "design_z": 260.7178,
        "delta_z": -0.6014
      },
      {
        "ch": 230.0,
        "easting": 450481.7346,
        "northing": 6511676.8846,
        "existing_z": 262.2109,
        "design_z": 261.4737,
        "delta_z": -0.7372
      },
      {
        "ch": 240.0,
        "easting": 450488.8056,
        "northing": 6511683.9556,
        "existing_z": 263.1059,
        "design_z": 262.2296,
        "delta_z": -0.8763
      },
      {
        "ch": 241.2335,
        "easting": 450489.6779,
        "northing": 6511684.8279,
        "existing_z": 263.2164,
        "design_z": 262.3228,
        "delta_z": -0.8935
      },
      {
        "ch": 250.0,
        "easting": 450495.8767,
        "northing": 6511691.0267,
        "existing_z": 263.7538,
        "design_z": 262.9484,
        "delta_z": -0.8054
      },
      {
        "ch": 260.0,
        "easting": 450502.9478,
        "northing": 6511698.0978,
        "existing_z": 264.381,
        "design_z": 263.5715,
        "delta_z": -0.8095
      },
      {
        "ch": 261.2335,
        "easting": 450503.82,
        "northing": 6511698.97,
        "existing_z": 264.4585,
        "design_z": 263.6416,
        "delta_z": -0.8169
      },
      {
        "ch": 270.0,
        "easting": 450510.0188,
        "northing": 6511705.1688,
        "existing_z": 265.0094,
        "design_z": 264.0981,
        "delta_z": -0.9114
      },
      {
        "ch": 280.0,
        "easting": 450517.0899,
        "northing": 6511712.2399,
        "existing_z": 265.2425,
        "design_z": 264.5281,
        "delta_z": -0.7144
      },
      {
        "ch": 281.2335,
        "easting": 450517.9621,
        "northing": 6511713.1121,
        "existing_z": 265.2752,
        "design_z": 264.5745,
        "delta_z": -0.7007
      },
      {
        "ch": 290.0,
        "easting": 450524.161,
        "northing": 6511719.311,
        "existing_z": 265.5268,
        "design_z": 264.8988,
        "delta_z": -0.628
      },
      {
        "ch": 300.0,
        "easting": 450531.232,
        "northing": 6511726.382,
        "existing_z": 265.8069,
        "design_z": 265.2688,
        "delta_z": -0.5382
      },
      {
        "ch": 310.0,
        "easting": 450538.3031,
        "northing": 6511733.4531,
        "existing_z": 265.91,
        "design_z": 265.6387,
        "delta_z": -0.2713
      },
      {
        "ch": 320.0,
        "easting": 450545.3742,
        "northing": 6511740.5242,
        "existing_z": 266.0925,
        "design_z": 266.0086,
        "delta_z": -0.0839
      },
      {
        "ch": 326.5419,
        "easting": 450550.0,
        "northing": 6511745.15,
        "existing_z": 266.2506,
        "design_z": 266.2506,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD347",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 500.273,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 15.59,
    "radius_review_count": 6,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450640.70999999996,
          6511815.86
        ],
        "end": [
          450599.6982,
          6511774.848200001
        ],
        "chainage_start": 0,
        "length": 57.999443776973074
      },
      {
        "type": "ARC",
        "centre": [
          450629.39639999997,
          6511745.15
        ],
        "radius": 41.99959721808227,
        "start_angle_rad": 2.356194490184505,
        "sweep_rad": 1.5707963267940455,
        "start": [
          450599.6982,
          6511774.848200001
        ],
        "end": [
          450599.6982,
          6511715.4518
        ],
        "chainage_start": 57.999443776973074,
        "length": 65.97281303699305,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450599.6981999997,
          6511715.451800001
        ],
        "end": [
          450771.8094484737,
          6511543.340551526
        ],
        "chainage_start": 123.97225681396611,
        "length": 243.40206182928833
      },
      {
        "type": "ARC",
        "centre": [
          450767.2324765329,
          6511538.763579586
        ],
        "radius": 6.472815793236268,
        "start_angle_rad": 0.7853981633910896,
        "sweep_rad": -1.2609736361158148,
        "start": [
          450771.8094484737,
          6511543.340551526
        ],
        "end": [
          450772.987,
          6511535.8
        ],
        "chainage_start": 367.37431864325447,
        "length": 8.16205006670501,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450772.98699999996,
          6511535.8
        ],
        "end": [
          450772.163,
          6511534.2
        ],
        "chainage_start": 375.5363687099595,
        "length": 1.7997155327297747
      },
      {
        "type": "ARC",
        "centre": [
          450774.7242532743,
          6511532.880954564
        ],
        "radius": 2.880954563717783,
        "start_angle_rad": 2.666017180782605,
        "sweep_rad": 2.046371799514114,
        "start": [
          450772.163,
          6511534.2
        ],
        "end": [
          450774.7242532743,
          6511530.0
        ],
        "chainage_start": 377.33608424268925,
        "length": 5.89550417487356,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450774.7242532741,
          6511530.0
        ],
        "end": [
          450781.6,
          6511530.0
        ],
        "chainage_start": 383.2315884175628,
        "length": 6.8757467258838005
      },
      {
        "type": "ARC",
        "centre": [
          450781.6,
          6511509.7206060765
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450781.6,
          6511530.0
        ],
        "end": [
          450795.93969696196,
          6511524.060303038
        ],
        "chainage_start": 390.1073351434466,
        "length": 15.927398742671137,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450795.93969696196,
          6511524.060303039
        ],
        "end": [
          450806.65944847366,
          6511513.340551526
        ],
        "chainage_start": 406.03473388611775,
        "length": 15.16001797377481
      },
      {
        "type": "ARC",
        "centre": [
          450806.13777953014,
          6511512.818882583
        ],
        "radius": 0.7377512949865157,
        "start_angle_rad": 0.7853981634532382,
        "sweep_rad": -2.831769962939166,
        "start": [
          450806.65944847366,
          6511513.340551526
        ],
        "end": [
          450805.8,
          6511512.163
        ],
        "chainage_start": 421.19475185989256,
        "length": 2.0891419572622874,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450805.80000000005,
          6511512.163
        ],
        "end": [
          450804.2,
          6511512.987000001
        ],
        "chainage_start": 423.2838938171549,
        "length": 1.7997155335450694
      },
      {
        "type": "ARC",
        "centre": [
          450803.8622204699,
          6511512.331117418
        ],
        "radius": 0.7377512949916349,
        "start_angle_rad": 1.0952208542626976,
        "sweep_rad": 2.8317699629370505,
        "start": [
          450804.2,
          6511512.987000001
        ],
        "end": [
          450803.34055152634,
          6511511.809448474
        ],
        "chainage_start": 425.08360935069993,
        "length": 2.0891419572752232,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450803.3405515265,
          6511511.809448474
        ],
        "end": [
          450855.03,
          6511460.12
        ],
        "chainage_start": 427.17275130797515,
        "length": 73.09991906315155
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 71.46752433873239,
        "pvi_z": 267.61645974987607,
        "bvc": 51.46752433873239,
        "evc": 91.46752433873239,
        "length": 40.0,
        "g1": -0.059146390596435526,
        "g2": -0.0857305402988516,
        "z_bvc": 268.7993875618048,
        "K_m_per_percent": 15.046559866597738
      },
      {
        "pvi_ch": 142.93504867746478,
        "pvi_z": 261.4895102744952,
        "bvc": 122.93504867746478,
        "evc": 162.93504867746478,
        "length": 40.0,
        "g1": -0.0857305402988516,
        "g2": -0.12361502348776629,
        "z_bvc": 263.20412108047225,
        "K_m_per_percent": 10.55841247735546
      },
      {
        "pvi_ch": 214.40257301619715,
        "pvi_z": 252.6550505747503,
        "bvc": 194.40257301619715,
        "evc": 234.40257301619715,
        "length": 40.0,
        "g1": -0.12361502348776629,
        "g2": -0.08484006982398726,
        "z_bvc": 255.12735104450564,
        "K_m_per_percent": 10.31593753711312
      },
      {
        "pvi_ch": 285.87009735492956,
        "pvi_z": 246.59174081970474,
        "bvc": 265.87009735492956,
        "evc": 305.87009735492956,
        "length": 40.0,
        "g1": -0.08484006982398726,
        "g2": -0.07302998314954318,
        "z_bvc": 248.28854221618448,
        "K_m_per_percent": 33.86935346254168
      },
      {
        "pvi_ch": 357.33762169366196,
        "pvi_z": 241.37246872150754,
        "bvc": 337.33762169366196,
        "evc": 377.33762169366196,
        "length": 40.0,
        "g1": -0.07302998314954318,
        "g2": -0.13387199461788252,
        "z_bvc": 242.8330683844984,
        "K_m_per_percent": 6.574404598837926
      },
      {
        "pvi_ch": 428.8051460323943,
        "pvi_z": 231.80496868787938,
        "bvc": 408.8051460323943,
        "evc": 448.8051460323943,
        "length": 40.0,
        "g1": -0.13387199461788252,
        "g2": -0.15585180561907844,
        "z_bvc": 234.48240858023703,
        "K_m_per_percent": 18.198518630493957
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450640.71,
        "northing": 6511815.86,
        "existing_z": 271.8435,
        "design_z": 271.8435,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450633.6389,
        "northing": 6511808.7889,
        "existing_z": 271.6588,
        "design_z": 271.252,
        "delta_z": -0.4068
      },
      {
        "ch": 20.0,
        "easting": 450626.5679,
        "northing": 6511801.7179,
        "existing_z": 271.2753,
        "design_z": 270.6606,
        "delta_z": -0.6147
      },
      {
        "ch": 30.0,
        "easting": 450619.4968,
        "northing": 6511794.6468,
        "existing_z": 270.7487,
        "design_z": 270.0691,
        "delta_z": -0.6796
      },
      {
        "ch": 40.0,
        "easting": 450612.4257,
        "northing": 6511787.5757,
        "existing_z": 270.1971,
        "design_z": 269.4777,
        "delta_z": -0.7194
      },
      {
        "ch": 50.0,
        "easting": 450605.3547,
        "northing": 6511780.5047,
        "existing_z": 269.4501,
        "design_z": 268.8862,
        "delta_z": -0.5639
      },
      {
        "ch": 51.4675,
        "easting": 450604.317,
        "northing": 6511779.467,
        "existing_z": 269.3372,
        "design_z": 268.7994,
        "delta_z": -0.5378
      },
      {
        "ch": 60.0,
        "easting": 450598.3178,
        "northing": 6511773.4004,
        "existing_z": 268.7236,
        "design_z": 268.2705,
        "delta_z": -0.453
      },
      {
        "ch": 70.0,
        "easting": 450592.5316,
        "northing": 6511765.2734,
        "existing_z": 268.0279,
        "design_z": 267.5891,
        "delta_z": -0.4387
      },
      {
        "ch": 71.4675,
        "easting": 450591.8511,
        "northing": 6511763.9733,
        "existing_z": 267.929,
        "design_z": 267.4835,
        "delta_z": -0.4454
      },
      {
        "ch": 80.0,
        "easting": 450588.8254,
        "northing": 6511756.011,
        "existing_z": 267.3886,
        "design_z": 266.8413,
        "delta_z": -0.5473
      },
      {
        "ch": 90.0,
        "easting": 450587.4084,
        "northing": 6511746.1358,
        "existing_z": 266.8052,
        "design_z": 266.0269,
        "delta_z": -0.7783
      },
      {
        "ch": 91.4675,
        "easting": 450587.3996,
        "northing": 6511744.6683,
        "existing_z": 266.7238,
        "design_z": 265.9018,
        "delta_z": -0.822
      },
      {
        "ch": 100.0,
        "easting": 450588.3604,
        "northing": 6511736.2049,
        "existing_z": 266.2535,
        "design_z": 265.1704,
        "delta_z": -1.0831
      },
      {
        "ch": 110.0,
        "easting": 450591.6279,
        "northing": 6511726.7787,
        "existing_z": 265.651,
        "design_z": 264.313,
        "delta_z": -1.338
      },
      {
        "ch": 120.0,
        "easting": 450597.0263,
        "northing": 6511718.3892,
        "existing_z": 264.859,
        "design_z": 263.4557,
        "delta_z": -1.4032
      },
      {
        "ch": 122.935,
        "easting": 450598.9739,
        "northing": 6511716.1942,
        "existing_z": 264.5804,
        "design_z": 263.2041,
        "delta_z": -1.3762
      },
      {
        "ch": 130.0,
        "easting": 450603.9605,
        "northing": 6511711.1895,
        "existing_z": 263.83,
        "design_z": 262.5748,
        "delta_z": -1.2552
      },
      {
        "ch": 140.0,
        "easting": 450611.0315,
        "northing": 6511704.1185,
        "existing_z": 262.676,
        "design_z": 261.6032,
        "delta_z": -1.0728
      },
      {
        "ch": 142.935,
        "easting": 450613.1069,
        "northing": 6511702.0431,
        "existing_z": 262.3156,
        "design_z": 261.3001,
        "delta_z": -1.0155
      },
      {
        "ch": 150.0,
        "easting": 450618.1026,
        "northing": 6511697.0474,
        "existing_z": 261.3876,
        "design_z": 260.5369,
        "delta_z": -0.8507
      },
      {
        "ch": 160.0,
        "easting": 450625.1737,
        "northing": 6511689.9763,
        "existing_z": 259.9287,
        "design_z": 259.3759,
        "delta_z": -0.5527
      },
      {
        "ch": 162.935,
        "easting": 450627.2491,
        "northing": 6511687.9009,
        "existing_z": 259.4644,
        "design_z": 259.0172,
        "delta_z": -0.4472
      },
      {
        "ch": 170.0,
        "easting": 450632.2447,
        "northing": 6511682.9053,
        "existing_z": 258.4401,
        "design_z": 258.1439,
        "delta_z": -0.2962
      },
      {
        "ch": 180.0,
        "easting": 450639.3158,
        "northing": 6511675.8342,
        "existing_z": 257.067,
        "design_z": 256.9077,
        "delta_z": -0.1593
      },
      {
        "ch": 190.0,
        "easting": 450646.3869,
        "northing": 6511668.7631,
        "existing_z": 255.4378,
        "design_z": 255.6716,
        "delta_z": 0.2338
      },
      {
        "ch": 194.4026,
        "easting": 450649.5,
        "northing": 6511665.65,
        "existing_z": 254.6336,
        "design_z": 255.1274,
        "delta_z": 0.4937
      },
      {
        "ch": 200.0,
        "easting": 450653.4579,
        "northing": 6511661.6921,
        "existing_z": 253.9184,
        "design_z": 254.4506,
        "delta_z": 0.5322
      },
      {
        "ch": 210.0,
        "easting": 450660.529,
        "northing": 6511654.621,
        "existing_z": 252.5183,
        "design_z": 253.3172,
        "delta_z": 0.7989
      },
      {
        "ch": 214.4026,
        "easting": 450663.6421,
        "northing": 6511651.5079,
        "existing_z": 251.8123,
        "design_z": 252.8489,
        "delta_z": 1.0366
      },
      {
        "ch": 220.0,
        "easting": 450667.6001,
        "northing": 6511647.5499,
        "existing_z": 250.8911,
        "design_z": 252.2807,
        "delta_z": 1.3896
      },
      {
        "ch": 230.0,
        "easting": 450674.6711,
        "northing": 6511640.4789,
        "existing_z": 249.6393,
        "design_z": 251.3412,
        "delta_z": 1.7018
      },
      {
        "ch": 234.4026,
        "easting": 450677.7842,
        "northing": 6511637.3658,
        "existing_z": 249.1748,
        "design_z": 250.9582,
        "delta_z": 1.7834
      },
      {
        "ch": 240.0,
        "easting": 450681.7422,
        "northing": 6511633.4078,
        "existing_z": 248.5699,
        "design_z": 250.4834,
        "delta_z": 1.9134
      },
      {
        "ch": 250.0,
        "easting": 450688.8133,
        "northing": 6511626.3367,
        "existing_z": 247.5654,
        "design_z": 249.635,
        "delta_z": 2.0696
      },
      {
        "ch": 260.0,
        "easting": 450695.8843,
        "northing": 6511619.2657,
        "existing_z": 247.061,
        "design_z": 248.7866,
        "delta_z": 1.7255
      },
      {
        "ch": 265.8701,
        "easting": 450700.0351,
        "northing": 6511615.1149,
        "existing_z": 246.8326,
        "design_z": 248.2885,
        "delta_z": 1.456
      },
      {
        "ch": 270.0,
        "easting": 450702.9554,
        "northing": 6511612.1946,
        "existing_z": 246.6796,
        "design_z": 247.9407,
        "delta_z": 1.2611
      },
      {
        "ch": 280.0,
        "easting": 450710.0265,
        "northing": 6511605.1235,
        "existing_z": 246.3382,
        "design_z": 247.1192,
        "delta_z": 0.7811
      },
      {
        "ch": 285.8701,
        "easting": 450714.1773,
        "northing": 6511600.9727,
        "existing_z": 246.294,
        "design_z": 246.6508,
        "delta_z": 0.3568
      },
      {
        "ch": 290.0,
        "easting": 450717.0975,
        "northing": 6511598.0525,
        "existing_z": 246.2641,
        "design_z": 246.3273,
        "delta_z": 0.0632
      },
      {
        "ch": 300.0,
        "easting": 450724.1686,
        "northing": 6511590.9814,
        "existing_z": 246.1956,
        "design_z": 245.5649,
        "delta_z": -0.6307
      },
      {
        "ch": 305.8701,
        "easting": 450728.3194,
        "northing": 6511586.8306,
        "existing_z": 246.1021,
        "design_z": 245.1311,
        "delta_z": -0.971
      },
      {
        "ch": 310.0,
        "easting": 450731.2397,
        "northing": 6511583.9103,
        "existing_z": 245.9968,
        "design_z": 244.8295,
        "delta_z": -1.1672
      },
      {
        "ch": 320.0,
        "easting": 450738.3107,
        "northing": 6511576.8393,
        "existing_z": 245.6491,
        "design_z": 244.0992,
        "delta_z": -1.5499
      },
      {
        "ch": 330.0,
        "easting": 450745.3818,
        "northing": 6511569.7682,
        "existing_z": 245.2378,
        "design_z": 243.3689,
        "delta_z": -1.8689
      },
      {
        "ch": 337.3376,
        "easting": 450750.5703,
        "northing": 6511564.5797,
        "existing_z": 244.7486,
        "design_z": 242.8331,
        "delta_z": -1.9155
      },
      {
        "ch": 340.0,
        "easting": 450752.4529,
        "northing": 6511562.6971,
        "existing_z": 244.463,
        "design_z": 242.6332,
        "delta_z": -1.8298
      },
      {
        "ch": 350.0,
        "easting": 450759.5239,
        "northing": 6511555.6261,
        "existing_z": 243.3707,
        "design_z": 241.7864,
        "delta_z": -1.5843
      },
      {
        "ch": 357.3376,
        "easting": 450764.7124,
        "northing": 6511550.4376,
        "existing_z": 242.5494,
        "design_z": 241.0683,
        "delta_z": -1.4811
      },
      {
        "ch": 360.0,
        "easting": 450766.595,
        "northing": 6511548.555,
        "existing_z": 242.2166,
        "design_z": 240.7874,
        "delta_z": -1.4291
      },
      {
        "ch": 370.0,
        "easting": 450773.2442,
        "northing": 6511541.163,
        "existing_z": 240.5019,
        "design_z": 239.6364,
        "delta_z": -0.8655
      },
      {
        "ch": 377.3376,
        "easting": 450772.1623,
        "northing": 6511534.1986,
        "existing_z": 238.7767,
        "design_z": 238.695,
        "delta_z": -0.0816
      },
      {
        "ch": 380.0,
        "easting": 450772.129,
        "northing": 6511531.6302,
        "existing_z": 238.1323,
        "design_z": 238.3386,
        "delta_z": 0.2063
      },
      {
        "ch": 390.0,
        "easting": 450781.4927,
        "northing": 6511530.0,
        "existing_z": 237.5603,
        "design_z": 236.9999,
        "delta_z": -0.5605
      },
      {
        "ch": 400.0,
        "easting": 450791.105,
        "northing": 6511527.6346,
        "existing_z": 236.7248,
        "design_z": 235.6612,
        "delta_z": -1.0637
      },
      {
        "ch": 408.8051,
        "easting": 450797.8987,
        "northing": 6511522.1013,
        "existing_z": 234.9137,
        "design_z": 234.4824,
        "delta_z": -0.4313
      },
      {
        "ch": 410.0,
        "easting": 450798.7436,
        "northing": 6511521.2564,
        "existing_z": 234.6606,
        "design_z": 234.3221,
        "delta_z": -0.3386
      },
      {
        "ch": 420.0,
        "easting": 450805.8146,
        "northing": 6511514.1854,
        "existing_z": 232.6505,
        "design_z": 232.9493,
        "delta_z": 0.2988
      },
      {
        "ch": 428.8051,
        "easting": 450804.4948,
        "northing": 6511510.6552,
        "existing_z": 231.8902,
        "design_z": 231.6951,
        "delta_z": -0.1952
      },
      {
        "ch": 430.0,
        "easting": 450805.3397,
        "northing": 6511509.8103,
        "existing_z": 231.6667,
        "design_z": 231.5216,
        "delta_z": -0.1451
      },
      {
        "ch": 440.0,
        "easting": 450812.4108,
        "northing": 6511502.7392,
        "existing_z": 229.8317,
        "design_z": 230.0389,
        "delta_z": 0.2072
      },
      {
        "ch": 448.8051,
        "easting": 450818.637,
        "northing": 6511496.513,
        "existing_z": 228.2948,
        "design_z": 228.6879,
        "delta_z": 0.3931
      },
      {
        "ch": 450.0,
        "easting": 450819.4819,
        "northing": 6511495.6681,
        "existing_z": 228.0997,
        "design_z": 228.5017,
        "delta_z": 0.402
      },
      {
        "ch": 460.0,
        "easting": 450826.5529,
        "northing": 6511488.5971,
        "existing_z": 226.5754,
        "design_z": 226.9432,
        "delta_z": 0.3678
      },
      {
        "ch": 470.0,
        "easting": 450833.624,
        "northing": 6511481.526,
        "existing_z": 225.0164,
        "design_z": 225.3847,
        "delta_z": 0.3683
      },
      {
        "ch": 480.0,
        "easting": 450840.6951,
        "northing": 6511474.4549,
        "existing_z": 223.4886,
        "design_z": 223.8262,
        "delta_z": 0.3376
      },
      {
        "ch": 490.0,
        "easting": 450847.7661,
        "northing": 6511467.3839,
        "existing_z": 222.1468,
        "design_z": 222.2676,
        "delta_z": 0.1209
      },
      {
        "ch": 500.0,
        "easting": 450854.8372,
        "northing": 6511460.3128,
        "existing_z": 220.7067,
        "design_z": 220.7091,
        "delta_z": 0.0025
      },
      {
        "ch": 500.2727,
        "easting": 450855.03,
        "northing": 6511460.12,
        "existing_z": 220.6666,
        "design_z": 220.6666,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD348",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 117.745,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 15.81,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449591.93659475393,
          6511588.133405247
        ],
        "end": [
          449668.5942735437,
          6511668.525787624
        ],
        "chainage_start": 0,
        "length": 111.0825587644367
      },
      {
        "type": "ARC",
        "centre": [
          449672.03699999995,
          6511665.242996257
        ],
        "radius": 4.757003743188616,
        "start_angle_rad": 2.3799703474417733,
        "sweep_rad": -0.8091740206063139,
        "start": [
          449668.5942735437,
          6511668.525787624
        ],
        "end": [
          449672.03699999995,
          6511670.0
        ],
        "chainage_start": 111.0825587644367,
        "length": 3.8492438449152173,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449672.0369999998,
          6511670.0
        ],
        "end": [
          449674.8499999999,
          6511670.0
        ],
        "chainage_start": 114.93180260935192,
        "length": 2.813000000140164
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 58.87240130474604,
        "pvi_z": 204.44044150442593,
        "bvc": 38.87240130474604,
        "evc": 78.87240130474603,
        "length": 40.0,
        "g1": 0.12981436056671247,
        "g2": 0.15805621138787934,
        "z_bvc": 201.8441542930917,
        "K_m_per_percent": 14.163377695494576
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449591.9366,
        "northing": 6511588.1334,
        "existing_z": 196.798,
        "design_z": 196.798,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449598.8376,
        "northing": 6511595.3706,
        "existing_z": 197.9712,
        "design_z": 198.0961,
        "delta_z": 0.1249
      },
      {
        "ch": 20.0,
        "easting": 449605.7385,
        "northing": 6511602.6078,
        "existing_z": 199.1053,
        "design_z": 199.3942,
        "delta_z": 0.2889
      },
      {
        "ch": 30.0,
        "easting": 449612.6395,
        "northing": 6511609.8449,
        "existing_z": 200.2454,
        "design_z": 200.6924,
        "delta_z": 0.447
      },
      {
        "ch": 38.8724,
        "easting": 449618.7623,
        "northing": 6511616.266,
        "existing_z": 201.3663,
        "design_z": 201.8442,
        "delta_z": 0.4778
      },
      {
        "ch": 40.0,
        "easting": 449619.5405,
        "northing": 6511617.0821,
        "existing_z": 201.5091,
        "design_z": 201.991,
        "delta_z": 0.4819
      },
      {
        "ch": 50.0,
        "easting": 449626.4414,
        "northing": 6511624.3193,
        "existing_z": 202.7769,
        "design_z": 203.3324,
        "delta_z": 0.5554
      },
      {
        "ch": 58.8724,
        "easting": 449632.5642,
        "northing": 6511630.7404,
        "existing_z": 204.0194,
        "design_z": 204.5817,
        "delta_z": 0.5622
      },
      {
        "ch": 60.0,
        "easting": 449633.3424,
        "northing": 6511631.5565,
        "existing_z": 204.1993,
        "design_z": 204.7444,
        "delta_z": 0.5451
      },
      {
        "ch": 70.0,
        "easting": 449640.2433,
        "northing": 6511638.7936,
        "existing_z": 205.799,
        "design_z": 206.227,
        "delta_z": 0.428
      },
      {
        "ch": 78.8724,
        "easting": 449646.3662,
        "northing": 6511645.2147,
        "existing_z": 207.2252,
        "design_z": 207.6016,
        "delta_z": 0.3764
      },
      {
        "ch": 80.0,
        "easting": 449647.1443,
        "northing": 6511646.0308,
        "existing_z": 207.4069,
        "design_z": 207.7798,
        "delta_z": 0.3729
      },
      {
        "ch": 90.0,
        "easting": 449654.0453,
        "northing": 6511653.268,
        "existing_z": 209.1218,
        "design_z": 209.3604,
        "delta_z": 0.2386
      },
      {
        "ch": 100.0,
        "easting": 449660.9462,
        "northing": 6511660.5051,
        "existing_z": 210.8795,
        "design_z": 210.9409,
        "delta_z": 0.0614
      },
      {
        "ch": 110.0,
        "easting": 449667.8472,
        "northing": 6511667.7423,
        "existing_z": 212.6281,
        "design_z": 212.5215,
        "delta_z": -0.1066
      },
      {
        "ch": 117.7448,
        "easting": 449674.85,
        "northing": 6511670.0,
        "existing_z": 213.7456,
        "design_z": 213.7456,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD349",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 10.564,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 2.39,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450177.6799999991,
          6511655.669999999
        ],
        "end": [
          450170.6791610718,
          6511650.501411885
        ],
        "chainage_start": 0,
        "length": 8.702071522257086
      },
      {
        "type": "ARC",
        "centre": [
          450170.8441999999,
          6511650.277867094
        ],
        "radius": 0.2778670934589799,
        "start_angle_rad": 2.206755152798273,
        "sweep_rad": 2.5056338279534787,
        "start": [
          450170.6791610718,
          6511650.501411885
        ],
        "end": [
          450170.84419999993,
          6511650.0
        ],
        "chainage_start": 8.702071522257086,
        "length": 0.6962331890459309,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450170.8442,
          6511650.0
        ],
        "end": [
          450172.00999999983,
          6511650.0
        ],
        "chainage_start": 9.398304711303016,
        "length": 1.1657999998424202
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450177.68,
        "northing": 6511655.67,
        "existing_z": 242.4741,
        "design_z": 242.4741,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450171.4459,
        "northing": 6511650.0,
        "existing_z": 242.7946,
        "design_z": 242.7132,
        "delta_z": -0.0813
      },
      {
        "ch": 10.5641,
        "easting": 450172.01,
        "northing": 6511650.0,
        "existing_z": 242.7267,
        "design_z": 242.7267,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD350",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 8.019,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.15,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450172.00999999983,
          6511650.0
        ],
        "end": [
          450177.6799999991,
          6511655.669999999
        ],
        "chainage_start": 0,
        "length": 8.018590897438788
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450172.01,
        "northing": 6511650.0,
        "existing_z": 242.7267,
        "design_z": 242.7267,
        "delta_z": 0.0
      },
      {
        "ch": 8.0186,
        "easting": 450177.68,
        "northing": 6511655.67,
        "existing_z": 242.4741,
        "design_z": 242.4741,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD351",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 145.183,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.3,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450890.7099999999,
          6511707.28
        ],
        "end": [
          450993.37,
          6511604.62
        ],
        "chainage_start": 0,
        "length": 145.1831643133915
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 72.59158215669575,
        "pvi_z": 225.4032468617541,
        "bvc": 39.92537018618266,
        "evc": 105.25779412720884,
        "length": 65.33242394102618,
        "g1": -0.11298001324634362,
        "g2": -0.0011706459201431686,
        "z_bvc": 229.09387592289053,
        "K_m_per_percent": 5.843197712622843
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450890.71,
        "northing": 6511707.28,
        "existing_z": 233.6046,
        "design_z": 233.6046,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450897.7811,
        "northing": 6511700.2089,
        "existing_z": 232.1087,
        "design_z": 232.4748,
        "delta_z": 0.3661
      },
      {
        "ch": 20.0,
        "easting": 450904.8521,
        "northing": 6511693.1379,
        "existing_z": 230.3836,
        "design_z": 231.345,
        "delta_z": 0.9615
      },
      {
        "ch": 30.0,
        "easting": 450911.9232,
        "northing": 6511686.0668,
        "existing_z": 228.7573,
        "design_z": 230.2152,
        "delta_z": 1.458
      },
      {
        "ch": 39.9254,
        "easting": 450918.9415,
        "northing": 6511679.0485,
        "existing_z": 227.3446,
        "design_z": 229.0939,
        "delta_z": 1.7493
      },
      {
        "ch": 40.0,
        "easting": 450918.9943,
        "northing": 6511678.9957,
        "existing_z": 227.3334,
        "design_z": 229.0854,
        "delta_z": 1.752
      },
      {
        "ch": 50.0,
        "easting": 450926.0653,
        "northing": 6511671.9247,
        "existing_z": 225.7583,
        "design_z": 228.0425,
        "delta_z": 2.2842
      },
      {
        "ch": 60.0,
        "easting": 450933.1364,
        "northing": 6511664.8536,
        "existing_z": 224.4982,
        "design_z": 227.1707,
        "delta_z": 2.6725
      },
      {
        "ch": 70.0,
        "easting": 450940.2075,
        "northing": 6511657.7825,
        "existing_z": 223.5896,
        "design_z": 226.47,
        "delta_z": 2.8805
      },
      {
        "ch": 72.5916,
        "easting": 450942.04,
        "northing": 6511655.95,
        "existing_z": 223.348,
        "design_z": 226.3163,
        "delta_z": 2.9683
      },
      {
        "ch": 80.0,
        "easting": 450947.2785,
        "northing": 6511650.7115,
        "existing_z": 222.6438,
        "design_z": 225.9405,
        "delta_z": 3.2966
      },
      {
        "ch": 90.0,
        "easting": 450954.3496,
        "northing": 6511643.6404,
        "existing_z": 222.31,
        "design_z": 225.5821,
        "delta_z": 3.272
      },
      {
        "ch": 100.0,
        "easting": 450961.4207,
        "northing": 6511636.5693,
        "existing_z": 222.4264,
        "design_z": 225.3948,
        "delta_z": 2.9684
      },
      {
        "ch": 105.2578,
        "easting": 450965.1385,
        "northing": 6511632.8515,
        "existing_z": 222.4995,
        "design_z": 225.365,
        "delta_z": 2.8655
      },
      {
        "ch": 110.0,
        "easting": 450968.4917,
        "northing": 6511629.4983,
        "existing_z": 222.5675,
        "design_z": 225.3595,
        "delta_z": 2.7919
      },
      {
        "ch": 120.0,
        "easting": 450975.5628,
        "northing": 6511622.4272,
        "existing_z": 223.3161,
        "design_z": 225.3477,
        "delta_z": 2.0317
      },
      {
        "ch": 130.0,
        "easting": 450982.6339,
        "northing": 6511615.3561,
        "existing_z": 224.1917,
        "design_z": 225.336,
        "delta_z": 1.1443
      },
      {
        "ch": 140.0,
        "easting": 450989.7049,
        "northing": 6511608.2851,
        "existing_z": 224.9811,
        "design_z": 225.3243,
        "delta_z": 0.3432
      },
      {
        "ch": 145.1832,
        "easting": 450993.37,
        "northing": 6511604.62,
        "existing_z": 225.3183,
        "design_z": 225.3183,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD352",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 1.527,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 17.94,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449674.8499999999,
          6511670.0
        ],
        "end": [
          449675.93,
          6511671.08
        ],
        "chainage_start": 0,
        "length": 1.5273506474683098
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 449674.85,
        "northing": 6511670.0,
        "existing_z": 213.7456,
        "design_z": 213.7456,
        "delta_z": 0.0
      },
      {
        "ch": 1.5274,
        "easting": 449675.93,
        "northing": 6511671.08,
        "existing_z": 214.0195,
        "design_z": 214.0195,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD353",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 493.398,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.68,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451419.9979171068,
          6511711.563607571
        ],
        "end": [
          451411.8269251848,
          6511706.846115179
        ],
        "chainage_start": 0,
        "length": 9.435032774263556
      },
      {
        "type": "ARC",
        "centre": [
          451417.2539814539,
          6511697.446114235
        ],
        "radius": 10.854167748438144,
        "start_angle_rad": 2.0943921656801514,
        "sweep_rad": 1.1236002489012349,
        "start": [
          451411.8269251848,
          6511706.846115179
        ],
        "end": [
          451406.4314757735,
          6511696.617664895
        ],
        "chainage_start": 9.435032774263556,
        "length": 12.195745583760855,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451406.4314757735,
          6511696.617664895
        ],
        "end": [
          451408.7287153017,
          6511666.607516241
        ],
        "chainage_start": 21.63077835802441,
        "length": 30.097945638710744
      },
      {
        "type": "ARC",
        "centre": [
          451453.59744839167,
          6511670.0421619145
        ],
        "radius": 45.0,
        "start_angle_rad": -3.0651928926121523,
        "sweep_rad": 0.7089984024124486,
        "start": [
          451408.7287153017,
          6511666.607516241
        ],
        "end": [
          451421.77764323825,
          6511638.222356762
        ],
        "chainage_start": 51.728723996735155,
        "length": 31.90492810856019,
        "target_radius": 45,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          451421.777643238,
          6511638.222356762
        ],
        "end": [
          451447.31987834227,
          6511612.680121657
        ],
        "chainage_start": 83.63365210529534,
        "length": 36.12217529783585
      },
      {
        "type": "ARC",
        "centre": [
          451449.81525142095,
          6511615.175494736
        ],
        "radius": 3.5289904510372523,
        "start_angle_rad": -2.356194490204008,
        "sweep_rad": 1.6421596169821178,
        "start": [
          451447.31987834227,
          6511612.680121657
        ],
        "end": [
          451452.48219999997,
          6511612.8644
        ],
        "chainage_start": 119.75582740313119,
        "length": 5.795165607408885,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451452.48219999997,
          6511612.864399999
        ],
        "end": [
          451453.4278,
          6511613.9556
        ],
        "chainage_start": 125.55099301054008,
        "length": 1.4439102469996818
      },
      {
        "type": "ARC",
        "centre": [
          451470.46445161087,
          6511599.1921673
        ],
        "radius": 22.543434591965624,
        "start_angle_rad": 2.427557780379988,
        "sweep_rad": -0.333147414729101,
        "start": [
          451453.4278,
          6511613.9556
        ],
        "end": [
          451459.19243632874,
          6511618.7151823
        ],
        "chainage_start": 126.99490325753976,
        "length": 7.510286953427933,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451459.19243632874,
          6511618.7151823
        ],
        "end": [
          451770.0,
          6511798.166338155
        ],
        "chainage_start": 134.5051902109677,
        "length": 358.89282379712597
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.48543057258482,
        "pvi_z": 235.142913634997,
        "bvc": 50.48543057258482,
        "evc": 90.48543057258482,
        "length": 40.0,
        "g1": -0.07259229830260135,
        "g2": -0.060186231777941274,
        "z_bvc": 236.59475960104902,
        "K_m_per_percent": 32.24229043145164
      },
      {
        "pvi_ch": 140.97086114516964,
        "pvi_z": 230.90066117358742,
        "bvc": 120.97086114516964,
        "evc": 160.97086114516964,
        "length": 40.0,
        "g1": -0.060186231777941274,
        "g2": -0.0011691232541336176,
        "z_bvc": 232.10438580914624,
        "K_m_per_percent": 6.777695654788627
      },
      {
        "pvi_ch": 211.45629171775445,
        "pvi_z": 230.8182550176274,
        "bvc": 191.45629171775445,
        "evc": 231.45629171775445,
        "length": 40.0,
        "g1": -0.0011691232541336176,
        "g2": -0.04812230834486285,
        "z_bvc": 230.84163748271007,
        "K_m_per_percent": 8.519123872577898
      },
      {
        "pvi_ch": 281.94172229033927,
        "pvi_z": 227.42633339379304,
        "bvc": 261.94172229033927,
        "evc": 301.94172229033927,
        "length": 40.0,
        "g1": -0.04812230834486285,
        "g2": -0.07618823755855664,
        "z_bvc": 228.3887795606903,
        "K_m_per_percent": 14.252155948744928
      },
      {
        "pvi_ch": 352.4271528629241,
        "pvi_z": 222.0561726649118,
        "bvc": 332.4271528629241,
        "evc": 372.4271528629241,
        "length": 40.0,
        "g1": -0.07618823755855664,
        "g2": -0.07680947495879706,
        "z_bvc": 223.57993741608294,
        "K_m_per_percent": 643.8762377236121
      },
      {
        "pvi_ch": 422.9125834355089,
        "pvi_z": 216.64222375038682,
        "bvc": 402.9125834355089,
        "evc": 442.9125834355089,
        "length": 40.0,
        "g1": -0.07680947495879706,
        "g2": -0.062083804015455955,
        "z_bvc": 218.17841324956277,
        "K_m_per_percent": 27.163448208170006
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451419.9979,
        "northing": 6511711.5636,
        "existing_z": 240.2596,
        "design_z": 240.2596,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451411.3452,
        "northing": 6511706.551,
        "existing_z": 240.4252,
        "design_z": 239.5337,
        "delta_z": -0.8915
      },
      {
        "ch": 20.0,
        "easting": 451406.4294,
        "northing": 6511698.2469,
        "existing_z": 240.2499,
        "design_z": 238.8078,
        "delta_z": -1.4421
      },
      {
        "ch": 30.0,
        "easting": 451407.0703,
        "northing": 6511688.2729,
        "existing_z": 239.3741,
        "design_z": 238.0818,
        "delta_z": -1.2923
      },
      {
        "ch": 40.0,
        "easting": 451407.8335,
        "northing": 6511678.302,
        "existing_z": 238.3958,
        "design_z": 237.3559,
        "delta_z": -1.0399
      },
      {
        "ch": 50.0,
        "easting": 451408.5968,
        "northing": 6511668.3312,
        "existing_z": 237.4256,
        "design_z": 236.63,
        "delta_z": -0.7956
      },
      {
        "ch": 50.4854,
        "easting": 451408.6338,
        "northing": 6511667.8472,
        "existing_z": 237.3829,
        "design_z": 236.5948,
        "delta_z": -0.7882
      },
      {
        "ch": 60.0,
        "easting": 451410.1123,
        "northing": 6511658.4646,
        "existing_z": 236.4397,
        "design_z": 235.9181,
        "delta_z": -0.5216
      },
      {
        "ch": 70.0,
        "easting": 451413.7333,
        "northing": 6511649.1652,
        "existing_z": 235.3129,
        "design_z": 235.2372,
        "delta_z": -0.0757
      },
      {
        "ch": 70.4854,
        "easting": 451413.9608,
        "northing": 6511648.7364,
        "existing_z": 235.2591,
        "design_z": 235.2049,
        "delta_z": -0.0541
      },
      {
        "ch": 80.0,
        "easting": 451419.3147,
        "northing": 6511640.8926,
        "existing_z": 234.0822,
        "design_z": 234.5873,
        "delta_z": 0.5051
      },
      {
        "ch": 90.0,
        "easting": 451426.2793,
        "northing": 6511633.7207,
        "existing_z": 232.6343,
        "design_z": 233.9684,
        "delta_z": 1.3342
      },
      {
        "ch": 90.4854,
        "easting": 451426.6226,
        "northing": 6511633.3774,
        "existing_z": 232.5603,
        "design_z": 233.9392,
        "delta_z": 1.3789
      },
      {
        "ch": 100.0,
        "easting": 451433.3504,
        "northing": 6511626.6496,
        "existing_z": 231.3056,
        "design_z": 233.3665,
        "delta_z": 2.061
      },
      {
        "ch": 110.0,
        "easting": 451440.4215,
        "northing": 6511619.5785,
        "existing_z": 230.1771,
        "design_z": 232.7647,
        "delta_z": 2.5876
      },
      {
        "ch": 120.0,
        "easting": 451447.4984,
        "northing": 6511612.5136,
        "existing_z": 228.9794,
        "design_z": 232.1628,
        "delta_z": 3.1834
      },
      {
        "ch": 120.9709,
        "easting": 451448.3086,
        "northing": 6511611.9843,
        "existing_z": 228.8648,
        "design_z": 232.1044,
        "delta_z": 3.2396
      },
      {
        "ch": 130.0,
        "easting": 451455.5411,
        "northing": 6511616.0889,
        "existing_z": 229.0526,
        "design_z": 231.6211,
        "delta_z": 2.5685
      },
      {
        "ch": 140.0,
        "easting": 451463.951,
        "northing": 6511621.4627,
        "existing_z": 229.4901,
        "design_z": 231.2262,
        "delta_z": 1.7361
      },
      {
        "ch": 140.9709,
        "easting": 451464.7918,
        "northing": 6511621.9481,
        "existing_z": 229.5307,
        "design_z": 231.1957,
        "delta_z": 1.665
      },
      {
        "ch": 150.0,
        "easting": 451472.6112,
        "northing": 6511626.4628,
        "existing_z": 229.9873,
        "design_z": 230.9789,
        "delta_z": 0.9916
      },
      {
        "ch": 160.0,
        "easting": 451481.2714,
        "northing": 6511631.4629,
        "existing_z": 230.6465,
        "design_z": 230.8791,
        "delta_z": 0.2326
      },
      {
        "ch": 160.9709,
        "easting": 451482.1122,
        "northing": 6511631.9484,
        "existing_z": 230.7105,
        "design_z": 230.8773,
        "delta_z": 0.1668
      },
      {
        "ch": 170.0,
        "easting": 451489.9316,
        "northing": 6511636.4631,
        "existing_z": 231.2975,
        "design_z": 230.8667,
        "delta_z": -0.4308
      },
      {
        "ch": 180.0,
        "easting": 451498.5918,
        "northing": 6511641.4632,
        "existing_z": 231.7035,
        "design_z": 230.855,
        "delta_z": -0.8484
      },
      {
        "ch": 190.0,
        "easting": 451507.2519,
        "northing": 6511646.4633,
        "existing_z": 232.0394,
        "design_z": 230.8433,
        "delta_z": -1.196
      },
      {
        "ch": 191.4563,
        "easting": 451508.5131,
        "northing": 6511647.1915,
        "existing_z": 232.0826,
        "design_z": 230.8416,
        "delta_z": -1.2409
      },
      {
        "ch": 200.0,
        "easting": 451515.9121,
        "northing": 6511651.4635,
        "existing_z": 232.097,
        "design_z": 230.7888,
        "delta_z": -1.3082
      },
      {
        "ch": 210.0,
        "easting": 451524.5723,
        "northing": 6511656.4636,
        "existing_z": 231.9655,
        "design_z": 230.6181,
        "delta_z": -1.3474
      },
      {
        "ch": 211.4563,
        "easting": 451525.8335,
        "northing": 6511657.1918,
        "existing_z": 231.9413,
        "design_z": 230.5835,
        "delta_z": -1.3578
      },
      {
        "ch": 220.0,
        "easting": 451533.2325,
        "northing": 6511661.4637,
        "existing_z": 231.7107,
        "design_z": 230.3301,
        "delta_z": -1.3806
      },
      {
        "ch": 230.0,
        "easting": 451541.8926,
        "northing": 6511666.4638,
        "existing_z": 231.3044,
        "design_z": 229.9246,
        "delta_z": -1.3798
      },
      {
        "ch": 231.4563,
        "easting": 451543.1538,
        "northing": 6511667.192,
        "existing_z": 231.2419,
        "design_z": 229.8558,
        "delta_z": -1.3861
      },
      {
        "ch": 240.0,
        "easting": 451550.5528,
        "northing": 6511671.464,
        "existing_z": 230.8385,
        "design_z": 229.4447,
        "delta_z": -1.3939
      },
      {
        "ch": 250.0,
        "easting": 451559.213,
        "northing": 6511676.4641,
        "existing_z": 230.1784,
        "design_z": 228.9634,
        "delta_z": -1.2149
      },
      {
        "ch": 260.0,
        "easting": 451567.8732,
        "northing": 6511681.4642,
        "existing_z": 229.4861,
        "design_z": 228.4822,
        "delta_z": -1.0039
      },
      {
        "ch": 261.9417,
        "easting": 451569.5547,
        "northing": 6511682.4351,
        "existing_z": 229.348,
        "design_z": 228.3888,
        "delta_z": -0.9592
      },
      {
        "ch": 270.0,
        "easting": 451576.5333,
        "northing": 6511686.4644,
        "existing_z": 228.6822,
        "design_z": 227.9782,
        "delta_z": -0.704
      },
      {
        "ch": 280.0,
        "easting": 451585.1935,
        "northing": 6511691.4645,
        "existing_z": 227.8347,
        "design_z": 227.4054,
        "delta_z": -0.4293
      },
      {
        "ch": 281.9417,
        "easting": 451586.8751,
        "northing": 6511692.4354,
        "existing_z": 227.6687,
        "design_z": 227.286,
        "delta_z": -0.3827
      },
      {
        "ch": 290.0,
        "easting": 451593.8537,
        "northing": 6511696.4646,
        "existing_z": 226.966,
        "design_z": 226.7624,
        "delta_z": -0.2037
      },
      {
        "ch": 300.0,
        "easting": 451602.5139,
        "northing": 6511701.4648,
        "existing_z": 226.0888,
        "design_z": 226.0492,
        "delta_z": -0.0396
      },
      {
        "ch": 301.9417,
        "easting": 451604.1954,
        "northing": 6511702.4357,
        "existing_z": 225.919,
        "design_z": 225.9026,
        "delta_z": -0.0164
      },
      {
        "ch": 310.0,
        "easting": 451611.1741,
        "northing": 6511706.4649,
        "existing_z": 225.225,
        "design_z": 225.2886,
        "delta_z": 0.0636
      },
      {
        "ch": 320.0,
        "easting": 451619.8342,
        "northing": 6511711.465,
        "existing_z": 224.4419,
        "design_z": 224.5267,
        "delta_z": 0.0849
      },
      {
        "ch": 330.0,
        "easting": 451628.4944,
        "northing": 6511716.4652,
        "existing_z": 223.6954,
        "design_z": 223.7649,
        "delta_z": 0.0694
      },
      {
        "ch": 332.4272,
        "easting": 451630.5964,
        "northing": 6511717.6788,
        "existing_z": 223.5164,
        "design_z": 223.5799,
        "delta_z": 0.0636
      },
      {
        "ch": 340.0,
        "easting": 451637.1546,
        "northing": 6511721.4653,
        "existing_z": 222.9704,
        "design_z": 223.0025,
        "delta_z": 0.0322
      },
      {
        "ch": 350.0,
        "easting": 451645.8148,
        "northing": 6511726.4654,
        "existing_z": 222.2524,
        "design_z": 222.2387,
        "delta_z": -0.0137
      },
      {
        "ch": 352.4272,
        "easting": 451647.9167,
        "northing": 6511727.679,
        "existing_z": 222.0786,
        "design_z": 222.0531,
        "delta_z": -0.0256
      },
      {
        "ch": 360.0,
        "easting": 451654.4749,
        "northing": 6511731.4656,
        "existing_z": 221.5222,
        "design_z": 221.4733,
        "delta_z": -0.0489
      },
      {
        "ch": 370.0,
        "easting": 451663.1351,
        "northing": 6511736.4657,
        "existing_z": 220.7673,
        "design_z": 220.7064,
        "delta_z": -0.0609
      },
      {
        "ch": 372.4272,
        "easting": 451665.2371,
        "northing": 6511737.6793,
        "existing_z": 220.582,
        "design_z": 220.52,
        "delta_z": -0.062
      },
      {
        "ch": 380.0,
        "easting": 451671.7953,
        "northing": 6511741.4658,
        "existing_z": 219.9932,
        "design_z": 219.9383,
        "delta_z": -0.0549
      },
      {
        "ch": 390.0,
        "easting": 451680.4555,
        "northing": 6511746.466,
        "existing_z": 219.1807,
        "design_z": 219.1702,
        "delta_z": -0.0105
      },
      {
        "ch": 400.0,
        "easting": 451689.1157,
        "northing": 6511751.4661,
        "existing_z": 218.3386,
        "design_z": 218.4021,
        "delta_z": 0.0635
      },
      {
        "ch": 402.9126,
        "easting": 451691.638,
        "northing": 6511752.9224,
        "existing_z": 218.0877,
        "design_z": 218.1784,
        "delta_z": 0.0907
      },
      {
        "ch": 410.0,
        "easting": 451697.7758,
        "northing": 6511756.4662,
        "existing_z": 217.4788,
        "design_z": 217.6433,
        "delta_z": 0.1644
      },
      {
        "ch": 420.0,
        "easting": 451706.436,
        "northing": 6511761.4664,
        "existing_z": 216.6082,
        "design_z": 216.9197,
        "delta_z": 0.3115
      },
      {
        "ch": 422.9126,
        "easting": 451708.9584,
        "northing": 6511762.9227,
        "existing_z": 216.3521,
        "design_z": 216.7159,
        "delta_z": 0.3638
      },
      {
        "ch": 430.0,
        "easting": 451715.0962,
        "northing": 6511766.4665,
        "existing_z": 215.7831,
        "design_z": 216.2329,
        "delta_z": 0.4498
      },
      {
        "ch": 440.0,
        "easting": 451723.7564,
        "northing": 6511771.4666,
        "existing_z": 214.989,
        "design_z": 215.5829,
        "delta_z": 0.594
      },
      {
        "ch": 442.9126,
        "easting": 451726.2787,
        "northing": 6511772.923,
        "existing_z": 214.752,
        "design_z": 215.4005,
        "delta_z": 0.6486
      },
      {
        "ch": 450.0,
        "easting": 451732.4165,
        "northing": 6511776.4668,
        "existing_z": 214.2248,
        "design_z": 214.9605,
        "delta_z": 0.7357
      },
      {
        "ch": 460.0,
        "easting": 451741.0767,
        "northing": 6511781.4669,
        "existing_z": 213.5891,
        "design_z": 214.3397,
        "delta_z": 0.7506
      },
      {
        "ch": 470.0,
        "easting": 451749.7369,
        "northing": 6511786.467,
        "existing_z": 212.961,
        "design_z": 213.7189,
        "delta_z": 0.7578
      },
      {
        "ch": 480.0,
        "easting": 451758.3971,
        "northing": 6511791.4672,
        "existing_z": 212.6825,
        "design_z": 213.098,
        "delta_z": 0.4156
      },
      {
        "ch": 490.0,
        "easting": 451767.0573,
        "northing": 6511796.4673,
        "existing_z": 212.3737,
        "design_z": 212.4772,
        "delta_z": 0.1034
      },
      {
        "ch": 493.398,
        "easting": 451770.0,
        "northing": 6511798.1663,
        "existing_z": 212.2662,
        "design_z": 212.2662,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD354",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 365.453,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 14.97,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450640.70999999996,
          6511815.86
        ],
        "end": [
          450816.74118386465,
          6511639.828816135
        ],
        "chainage_start": 0,
        "length": 248.94568762219905
      },
      {
        "type": "ARC",
        "centre": [
          450848.56098901806,
          6511671.648621289
        ],
        "radius": 45.0,
        "start_angle_rad": -2.3561944901886864,
        "sweep_rad": 0.20411775806314866,
        "start": [
          450816.74118386465,
          6511639.828816135
        ],
        "end": [
          450823.85173658497,
          6511634.039409064
        ],
        "chainage_start": 248.94568762219905,
        "length": 9.18529911284169,
        "target_radius": 45,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          450823.85173658514,
          6511634.039409064
        ],
        "end": [
          450825.8,
          6511632.7594
        ],
        "chainage_start": 258.1309867350407,
        "length": 2.331127095905975
      },
      {
        "type": "ARC",
        "centre": [
          450829.18909648847,
          6511637.917842143
        ],
        "radius": 6.172155244054663,
        "start_angle_rad": -2.1520767321484815,
        "sweep_rad": 1.3666785687317478,
        "start": [
          450825.8,
          6511632.7594
        ],
        "end": [
          450833.5534693161,
          6511633.553469316
        ],
        "chainage_start": 260.4621138309467,
        "length": 8.435352294934777,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450833.553469316,
          6511633.553469315
        ],
        "end": [
          450864.06030303804,
          6511664.060303038
        ],
        "chainage_start": 268.89746612588146,
        "length": 43.14317799533069
      },
      {
        "type": "ARC",
        "centre": [
          450849.72060607607,
          6511678.4
        ],
        "radius": 20.279393923934,
        "start_angle_rad": -0.7853981634116555,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450864.06030303804,
          6511664.060303038
        ],
        "end": [
          450870.0,
          6511678.4
        ],
        "chainage_start": 312.04064412121215,
        "length": 15.927398742671137,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450870.0,
          6511678.4
        ],
        "end": [
          450870.0,
          6511681.6
        ],
        "chainage_start": 327.9680428638833,
        "length": 3.199999999254942
      },
      {
        "type": "ARC",
        "centre": [
          450887.9487656113,
          6511681.6
        ],
        "radius": 17.948765611276855,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -0.8754409425305054,
        "start": [
          450870.0,
          6511681.6
        ],
        "end": [
          450876.4497389913,
          6511695.381530168
        ],
        "chainage_start": 331.1680428631382,
        "length": 15.713084283995332,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450876.4497389913,
          6511695.381530168
        ],
        "end": [
          450890.7099999999,
          6511707.28
        ],
        "chainage_start": 346.88112714713355,
        "length": 18.572254262598474
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 73.0906762819464,
        "pvi_z": 265.3796393491043,
        "bvc": 53.0906762819464,
        "evc": 93.0906762819464,
        "length": 40.0,
        "g1": -0.08843626628020794,
        "g2": -0.06651659883350615,
        "z_bvc": 267.1483646747085,
        "K_m_per_percent": 18.24845203389193
      },
      {
        "pvi_ch": 146.1813525638928,
        "pvi_z": 260.5178961563884,
        "bvc": 126.1813525638928,
        "evc": 166.1813525638928,
        "length": 40.0,
        "g1": -0.06651659883350615,
        "g2": -0.09786381049231949,
        "z_bvc": 261.8482281330585,
        "K_m_per_percent": 12.760305584868155
      },
      {
        "pvi_ch": 219.2720288458392,
        "pvi_z": 253.36496406397654,
        "bvc": 199.2720288458392,
        "evc": 239.2720288458392,
        "length": 40.0,
        "g1": -0.09786381049231949,
        "g2": -0.14965602993045116,
        "z_bvc": 255.32224027382293,
        "K_m_per_percent": 7.723167771904802
      },
      {
        "pvi_ch": 292.3627051277856,
        "pvi_z": 242.42650362668866,
        "bvc": 272.3627051277856,
        "evc": 312.3627051277856,
        "length": 40.0,
        "g1": -0.14965602993045116,
        "g2": -0.12069745828137939,
        "z_bvc": 245.41962422529767,
        "K_m_per_percent": 13.81283596605917
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450640.71,
        "northing": 6511815.86,
        "existing_z": 271.8435,
        "design_z": 271.8435,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450647.7811,
        "northing": 6511808.7889,
        "existing_z": 271.3857,
        "design_z": 270.9591,
        "delta_z": -0.4265
      },
      {
        "ch": 20.0,
        "easting": 450654.8521,
        "northing": 6511801.7179,
        "existing_z": 270.4269,
        "design_z": 270.0748,
        "delta_z": -0.3521
      },
      {
        "ch": 30.0,
        "easting": 450661.9232,
        "northing": 6511794.6468,
        "existing_z": 269.2986,
        "design_z": 269.1904,
        "delta_z": -0.1082
      },
      {
        "ch": 40.0,
        "easting": 450668.9943,
        "northing": 6511787.5757,
        "existing_z": 268.1012,
        "design_z": 268.3061,
        "delta_z": 0.2048
      },
      {
        "ch": 50.0,
        "easting": 450676.0653,
        "northing": 6511780.5047,
        "existing_z": 266.9246,
        "design_z": 267.4217,
        "delta_z": 0.4971
      },
      {
        "ch": 53.0907,
        "easting": 450678.2508,
        "northing": 6511778.3192,
        "existing_z": 266.5951,
        "design_z": 267.1484,
        "delta_z": 0.5532
      },
      {
        "ch": 60.0,
        "easting": 450683.1364,
        "northing": 6511773.4336,
        "existing_z": 265.9156,
        "design_z": 266.5504,
        "delta_z": 0.6348
      },
      {
        "ch": 70.0,
        "easting": 450690.2075,
        "northing": 6511766.3625,
        "existing_z": 265.1075,
        "design_z": 265.7313,
        "delta_z": 0.6238
      },
      {
        "ch": 73.0907,
        "easting": 450692.3929,
        "northing": 6511764.1771,
        "existing_z": 264.8833,
        "design_z": 265.4892,
        "delta_z": 0.6059
      },
      {
        "ch": 80.0,
        "easting": 450697.2785,
        "northing": 6511759.2915,
        "existing_z": 264.4345,
        "design_z": 264.967,
        "delta_z": 0.5325
      },
      {
        "ch": 90.0,
        "easting": 450704.3496,
        "northing": 6511752.2204,
        "existing_z": 263.9132,
        "design_z": 264.2575,
        "delta_z": 0.3443
      },
      {
        "ch": 93.0907,
        "easting": 450706.535,
        "northing": 6511750.035,
        "existing_z": 263.7828,
        "design_z": 264.0493,
        "delta_z": 0.2665
      },
      {
        "ch": 100.0,
        "easting": 450711.4207,
        "northing": 6511745.1493,
        "existing_z": 263.5107,
        "design_z": 263.5897,
        "delta_z": 0.079
      },
      {
        "ch": 110.0,
        "easting": 450718.4917,
        "northing": 6511738.0783,
        "existing_z": 262.9462,
        "design_z": 262.9246,
        "delta_z": -0.0216
      },
      {
        "ch": 120.0,
        "easting": 450725.5628,
        "northing": 6511731.0072,
        "existing_z": 262.4679,
        "design_z": 262.2594,
        "delta_z": -0.2085
      },
      {
        "ch": 126.1814,
        "easting": 450729.9337,
        "northing": 6511726.6363,
        "existing_z": 262.1853,
        "design_z": 261.8482,
        "delta_z": -0.3371
      },
      {
        "ch": 130.0,
        "easting": 450732.6339,
        "northing": 6511723.9361,
        "existing_z": 261.9267,
        "design_z": 261.5885,
        "delta_z": -0.3382
      },
      {
        "ch": 140.0,
        "easting": 450739.7049,
        "northing": 6511716.8651,
        "existing_z": 261.3094,
        "design_z": 260.8542,
        "delta_z": -0.4552
      },
      {
        "ch": 146.1814,
        "easting": 450744.0758,
        "northing": 6511712.4942,
        "existing_z": 260.9758,
        "design_z": 260.3612,
        "delta_z": -0.6146
      },
      {
        "ch": 150.0,
        "easting": 450746.776,
        "northing": 6511709.794,
        "existing_z": 260.7829,
        "design_z": 260.0416,
        "delta_z": -0.7413
      },
      {
        "ch": 160.0,
        "easting": 450753.8471,
        "northing": 6511702.7229,
        "existing_z": 260.0523,
        "design_z": 259.1506,
        "delta_z": -0.9018
      },
      {
        "ch": 166.1814,
        "easting": 450758.218,
        "northing": 6511698.352,
        "existing_z": 259.5797,
        "design_z": 258.5606,
        "delta_z": -1.0191
      },
      {
        "ch": 170.0,
        "easting": 450760.9182,
        "northing": 6511695.6518,
        "existing_z": 259.3085,
        "design_z": 258.1869,
        "delta_z": -1.1216
      },
      {
        "ch": 180.0,
        "easting": 450767.9892,
        "northing": 6511688.5808,
        "existing_z": 258.6273,
        "design_z": 257.2083,
        "delta_z": -1.419
      },
      {
        "ch": 190.0,
        "easting": 450775.0603,
        "northing": 6511681.5097,
        "existing_z": 257.6471,
        "design_z": 256.2296,
        "delta_z": -1.4174
      },
      {
        "ch": 199.272,
        "easting": 450781.6166,
        "northing": 6511674.9534,
        "existing_z": 256.7475,
        "design_z": 255.3222,
        "delta_z": -1.4253
      },
      {
        "ch": 200.0,
        "easting": 450782.1314,
        "northing": 6511674.4386,
        "existing_z": 256.6807,
        "design_z": 255.2507,
        "delta_z": -1.43
      },
      {
        "ch": 210.0,
        "easting": 450789.2024,
        "northing": 6511667.3676,
        "existing_z": 255.7271,
        "design_z": 254.1979,
        "delta_z": -1.5293
      },
      {
        "ch": 219.272,
        "easting": 450795.7587,
        "northing": 6511660.8113,
        "existing_z": 254.434,
        "design_z": 253.106,
        "delta_z": -1.328
      },
      {
        "ch": 220.0,
        "easting": 450796.2735,
        "northing": 6511660.2965,
        "existing_z": 254.3299,
        "design_z": 253.0156,
        "delta_z": -1.3143
      },
      {
        "ch": 230.0,
        "easting": 450803.3446,
        "northing": 6511653.2254,
        "existing_z": 252.9124,
        "design_z": 251.7038,
        "delta_z": -1.2086
      },
      {
        "ch": 239.272,
        "easting": 450809.9009,
        "northing": 6511646.6691,
        "existing_z": 251.4942,
        "design_z": 250.3718,
        "delta_z": -1.1224
      },
      {
        "ch": 240.0,
        "easting": 450810.4156,
        "northing": 6511646.1544,
        "existing_z": 251.347,
        "design_z": 250.2629,
        "delta_z": -1.0841
      },
      {
        "ch": 250.0,
        "easting": 450817.4954,
        "northing": 6511639.0921,
        "existing_z": 249.25,
        "design_z": 248.7663,
        "delta_z": -0.4836
      },
      {
        "ch": 260.0,
        "easting": 450825.4138,
        "northing": 6511633.0131,
        "existing_z": 247.0407,
        "design_z": 247.2698,
        "delta_z": 0.2291
      },
      {
        "ch": 270.0,
        "easting": 450834.3331,
        "northing": 6511634.3331,
        "existing_z": 244.9389,
        "design_z": 245.7732,
        "delta_z": 0.8343
      },
      {
        "ch": 272.3627,
        "easting": 450836.0038,
        "northing": 6511636.0038,
        "existing_z": 244.6004,
        "design_z": 245.4196,
        "delta_z": 0.8192
      },
      {
        "ch": 280.0,
        "easting": 450841.4041,
        "northing": 6511641.4041,
        "existing_z": 243.4833,
        "design_z": 244.2978,
        "delta_z": 0.8145
      },
      {
        "ch": 290.0,
        "easting": 450848.4752,
        "northing": 6511648.4752,
        "existing_z": 241.9674,
        "design_z": 242.8927,
        "delta_z": 0.9253
      },
      {
        "ch": 292.3627,
        "easting": 450850.1459,
        "northing": 6511650.1459,
        "existing_z": 241.5945,
        "design_z": 242.5713,
        "delta_z": 0.9768
      },
      {
        "ch": 300.0,
        "easting": 450855.5463,
        "northing": 6511655.5463,
        "existing_z": 240.1799,
        "design_z": 241.56,
        "delta_z": 1.3801
      },
      {
        "ch": 310.0,
        "easting": 450862.6173,
        "northing": 6511662.6173,
        "existing_z": 238.3111,
        "design_z": 240.2997,
        "delta_z": 1.9886
      },
      {
        "ch": 312.3627,
        "easting": 450864.2862,
        "northing": 6511664.2898,
        "existing_z": 237.8673,
        "design_z": 240.0126,
        "delta_z": 2.1452
      },
      {
        "ch": 320.0,
        "easting": 450868.4547,
        "northing": 6511670.6354,
        "existing_z": 236.752,
        "design_z": 239.0908,
        "delta_z": 2.3388
      },
      {
        "ch": 330.0,
        "easting": 450870.0,
        "northing": 6511680.432,
        "existing_z": 236.238,
        "design_z": 237.8838,
        "delta_z": 1.6458
      },
      {
        "ch": 340.0,
        "easting": 450872.1295,
        "northing": 6511690.0798,
        "existing_z": 235.7285,
        "design_z": 236.6768,
        "delta_z": 0.9483
      },
      {
        "ch": 350.0,
        "easting": 450878.8445,
        "northing": 6511697.3797,
        "existing_z": 234.7919,
        "design_z": 235.4698,
        "delta_z": 0.678
      },
      {
        "ch": 360.0,
        "easting": 450886.5228,
        "northing": 6511703.7862,
        "existing_z": 233.9279,
        "design_z": 234.2629,
        "delta_z": 0.3349
      },
      {
        "ch": 365.4534,
        "easting": 450890.71,
        "northing": 6511707.28,
        "existing_z": 233.6046,
        "design_z": 233.6046,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD355",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 273.868,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.51,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449855.94,
          6511616.78
        ],
        "end": [
          450042.4431883449,
          6511803.283188345
        ],
        "chainage_start": 0,
        "length": 263.75533838299236
      },
      {
        "type": "ARC",
        "centre": [
          450074.26299349824,
          6511771.463383191
        ],
        "radius": 45.0,
        "start_angle_rad": 2.3561944901877716,
        "sweep_rad": -0.06953943265104463,
        "start": [
          450042.4431883449,
          6511803.283188345
        ],
        "end": [
          450044.7310416482,
          6511805.417231573
        ],
        "chainage_start": 263.75533838299236,
        "length": 3.1292744692970085,
        "target_radius": 45,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          450044.73104164837,
          6511805.417231573
        ],
        "end": [
          450050.0,
          6511810.0
        ],
        "chainage_start": 266.88461285228937,
        "length": 6.9831002118442145
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 68.46692826603339,
        "pvi_z": 234.05991116496776,
        "bvc": 48.46692826603339,
        "evc": 88.46692826603339,
        "length": 40.0,
        "g1": 0.08443040647963296,
        "g2": 0.0610629324457377,
        "z_bvc": 232.3713030353751,
        "K_m_per_percent": 17.117810826270198
      },
      {
        "pvi_ch": 136.93385653206678,
        "pvi_z": 238.24070258044372,
        "bvc": 116.93385653206678,
        "evc": 156.93385653206678,
        "length": 40.0,
        "g1": 0.0610629324457377,
        "g2": 0.08347274316775785,
        "z_bvc": 237.01944393152897,
        "K_m_per_percent": 17.849325233566343
      },
      {
        "pvi_ch": 205.40078479810018,
        "pvi_z": 243.95582489907963,
        "bvc": 185.40078479810018,
        "evc": 225.40078479810018,
        "length": 40.0,
        "g1": 0.08347274316775785,
        "g2": 0.12505860936249638,
        "z_bvc": 242.28637003572447,
        "K_m_per_percent": 9.618652600065554
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449855.94,
        "northing": 6511616.78,
        "existing_z": 228.2792,
        "design_z": 228.2792,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449863.0111,
        "northing": 6511623.8511,
        "existing_z": 229.6792,
        "design_z": 229.1235,
        "delta_z": -0.5557
      },
      {
        "ch": 20.0,
        "easting": 449870.0821,
        "northing": 6511630.9221,
        "existing_z": 231.0273,
        "design_z": 229.9678,
        "delta_z": -1.0594
      },
      {
        "ch": 30.0,
        "easting": 449877.1532,
        "northing": 6511637.9932,
        "existing_z": 231.9753,
        "design_z": 230.8121,
        "delta_z": -1.1632
      },
      {
        "ch": 40.0,
        "easting": 449884.2243,
        "northing": 6511645.0643,
        "existing_z": 232.9008,
        "design_z": 231.6564,
        "delta_z": -1.2444
      },
      {
        "ch": 48.4669,
        "easting": 449890.2113,
        "northing": 6511651.0513,
        "existing_z": 233.6129,
        "design_z": 232.3713,
        "delta_z": -1.2416
      },
      {
        "ch": 50.0,
        "easting": 449891.2953,
        "northing": 6511652.1353,
        "existing_z": 233.6781,
        "design_z": 232.5001,
        "delta_z": -1.1781
      },
      {
        "ch": 60.0,
        "easting": 449898.3664,
        "northing": 6511659.2064,
        "existing_z": 234.1261,
        "design_z": 233.3062,
        "delta_z": -0.82
      },
      {
        "ch": 68.4669,
        "easting": 449904.3534,
        "northing": 6511665.1934,
        "existing_z": 234.5362,
        "design_z": 233.9431,
        "delta_z": -0.5931
      },
      {
        "ch": 70.0,
        "easting": 449905.4375,
        "northing": 6511666.2775,
        "existing_z": 234.6135,
        "design_z": 234.0539,
        "delta_z": -0.5596
      },
      {
        "ch": 80.0,
        "easting": 449912.5085,
        "northing": 6511673.3485,
        "existing_z": 235.0861,
        "design_z": 234.7432,
        "delta_z": -0.3429
      },
      {
        "ch": 88.4669,
        "easting": 449918.4956,
        "northing": 6511679.3356,
        "existing_z": 235.4625,
        "design_z": 235.2812,
        "delta_z": -0.1814
      },
      {
        "ch": 90.0,
        "easting": 449919.5796,
        "northing": 6511680.4196,
        "existing_z": 235.5335,
        "design_z": 235.3748,
        "delta_z": -0.1587
      },
      {
        "ch": 100.0,
        "easting": 449926.6507,
        "northing": 6511687.4907,
        "existing_z": 236.0178,
        "design_z": 235.9854,
        "delta_z": -0.0324
      },
      {
        "ch": 110.0,
        "easting": 449933.7217,
        "northing": 6511694.5617,
        "existing_z": 236.4929,
        "design_z": 236.596,
        "delta_z": 0.1031
      },
      {
        "ch": 116.9339,
        "easting": 449938.6247,
        "northing": 6511699.4647,
        "existing_z": 236.8216,
        "design_z": 237.0194,
        "delta_z": 0.1978
      },
      {
        "ch": 120.0,
        "easting": 449940.7928,
        "northing": 6511701.6328,
        "existing_z": 236.9723,
        "design_z": 237.2093,
        "delta_z": 0.237
      },
      {
        "ch": 130.0,
        "easting": 449947.8639,
        "northing": 6511708.7039,
        "existing_z": 237.4867,
        "design_z": 237.8651,
        "delta_z": 0.3784
      },
      {
        "ch": 136.9339,
        "easting": 449952.7669,
        "northing": 6511713.6069,
        "existing_z": 237.8762,
        "design_z": 238.3528,
        "delta_z": 0.4765
      },
      {
        "ch": 140.0,
        "easting": 449954.9349,
        "northing": 6511715.7749,
        "existing_z": 238.0589,
        "design_z": 238.577,
        "delta_z": 0.518
      },
      {
        "ch": 150.0,
        "easting": 449962.006,
        "northing": 6511722.846,
        "existing_z": 238.6895,
        "design_z": 239.3448,
        "delta_z": 0.6554
      },
      {
        "ch": 156.9339,
        "easting": 449966.909,
        "northing": 6511727.749,
        "existing_z": 239.1577,
        "design_z": 239.9102,
        "delta_z": 0.7524
      },
      {
        "ch": 160.0,
        "easting": 449969.0771,
        "northing": 6511729.9171,
        "existing_z": 239.3729,
        "design_z": 240.1661,
        "delta_z": 0.7932
      },
      {
        "ch": 170.0,
        "easting": 449976.1482,
        "northing": 6511736.9882,
        "existing_z": 240.1568,
        "design_z": 241.0008,
        "delta_z": 0.844
      },
      {
        "ch": 180.0,
        "easting": 449983.2192,
        "northing": 6511744.0592,
        "existing_z": 240.9944,
        "design_z": 241.8356,
        "delta_z": 0.8412
      },
      {
        "ch": 185.4008,
        "easting": 449987.0382,
        "northing": 6511747.8782,
        "existing_z": 241.4652,
        "design_z": 242.2864,
        "delta_z": 0.8212
      },
      {
        "ch": 190.0,
        "easting": 449990.2903,
        "northing": 6511751.1303,
        "existing_z": 241.8697,
        "design_z": 242.6813,
        "delta_z": 0.8116
      },
      {
        "ch": 200.0,
        "easting": 449997.3614,
        "northing": 6511758.2014,
        "existing_z": 242.8175,
        "design_z": 243.6158,
        "delta_z": 0.7983
      },
      {
        "ch": 205.4008,
        "easting": 450001.1803,
        "northing": 6511762.0203,
        "existing_z": 243.3401,
        "design_z": 244.1638,
        "delta_z": 0.8237
      },
      {
        "ch": 210.0,
        "easting": 450004.4324,
        "northing": 6511765.2724,
        "existing_z": 243.791,
        "design_z": 244.6543,
        "delta_z": 0.8633
      },
      {
        "ch": 220.0,
        "easting": 450011.5035,
        "northing": 6511772.3435,
        "existing_z": 244.8198,
        "design_z": 245.7967,
        "delta_z": 0.977
      },
      {
        "ch": 225.4008,
        "easting": 450015.3224,
        "northing": 6511776.1624,
        "existing_z": 245.4533,
        "design_z": 246.457,
        "delta_z": 1.0037
      },
      {
        "ch": 230.0,
        "easting": 450018.5746,
        "northing": 6511779.4146,
        "existing_z": 246.0009,
        "design_z": 247.0322,
        "delta_z": 1.0312
      },
      {
        "ch": 240.0,
        "easting": 450025.6456,
        "northing": 6511786.4856,
        "existing_z": 247.2172,
        "design_z": 248.2828,
        "delta_z": 1.0656
      },
      {
        "ch": 250.0,
        "easting": 450032.7167,
        "northing": 6511793.5567,
        "existing_z": 248.5939,
        "design_z": 249.5333,
        "delta_z": 0.9395
      },
      {
        "ch": 260.0,
        "easting": 450039.7878,
        "northing": 6511800.6278,
        "existing_z": 250.2026,
        "design_z": 250.7839,
        "delta_z": 0.5813
      },
      {
        "ch": 270.0,
        "easting": 450047.0817,
        "northing": 6511807.4618,
        "existing_z": 251.8619,
        "design_z": 252.0345,
        "delta_z": 0.1727
      },
      {
        "ch": 273.8677,
        "easting": 450050.0,
        "northing": 6511810.0,
        "existing_z": 252.5182,
        "design_z": 252.5182,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD356",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 668.733,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.93,
    "radius_review_count": 5,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450994.6117454495,
          6511886.22324072
        ],
        "end": [
          451256.09734176326,
          6511624.74251007
        ],
        "chainage_start": 0,
        "length": 369.79303614432723
      },
      {
        "type": "ARC",
        "centre": [
          451285.453224674,
          6511654.098939238
        ],
        "radius": 41.5158740120449,
        "start_angle_rad": -2.3561851862272434,
        "sweep_rad": 0.5297357329141877,
        "start": [
          451256.09734176326,
          6511624.74251007
        ],
        "end": [
          451274.9548,
          6511613.9324
        ],
        "chainage_start": 369.79303614432723,
        "length": 21.992441947343682,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451274.9547999998,
          6511613.9324
        ],
        "end": [
          451279.1052,
          6511612.8476
        ],
        "chainage_start": 391.78547809167094,
        "length": 4.289826476963465
      },
      {
        "type": "ARC",
        "centre": [
          451284.0725794965,
          6511631.85258881
        ],
        "radius": 19.643432967283253,
        "start_angle_rad": -1.8264494533111122,
        "sweep_rad": 1.0410512899100348,
        "start": [
          451279.1052,
          6511612.8476
        ],
        "end": [
          451297.9625841534,
          6511617.962584154
        ],
        "chainage_start": 396.0753045686344,
        "length": 20.449821228851533,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451297.9625841534,
          6511617.962584153
        ],
        "end": [
          451301.6,
          6511621.6
        ],
        "chainage_start": 416.52512579748594,
        "length": 5.144082822384521
      },
      {
        "type": "ARC",
        "centre": [
          451281.32060607604,
          6511641.879393923
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": -0.7853981633859671,
        "sweep_rad": 0.7853981633974484,
        "start": [
          451301.6,
          6511621.6
        ],
        "end": [
          451310.0,
          6511641.879393924
        ],
        "chainage_start": 421.66920861987046,
        "length": 22.524743315209697,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451310.0,
          6511641.879393923
        ],
        "end": [
          451310.0,
          6511657.264556969
        ],
        "chainage_start": 444.1939519350802,
        "length": 15.385163045488298
      },
      {
        "type": "ARC",
        "centre": [
          451334.5826870659,
          6511657.264556969
        ],
        "radius": 24.58268706589265,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -0.9559907373416829,
        "start": [
          451310.0,
          6511657.264556969
        ],
        "end": [
          451320.4034,
          6511677.3458
        ],
        "chainage_start": 459.5791149805685,
        "length": 23.500821133962567,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451320.4034,
          6511677.3458
        ],
        "end": [
          451324.3666,
          6511680.1442
        ],
        "chainage_start": 483.07993611453105,
        "length": 4.851597345052338
      },
      {
        "type": "ARC",
        "centre": [
          451318.1780986126,
          6511688.9085899005
        ],
        "radius": 10.729029767676101,
        "start_angle_rad": -0.955990737325871,
        "sweep_rad": 1.7413984550311703,
        "start": [
          451324.3666,
          6511680.1442
        ],
        "end": [
          451325.7645958322,
          6511696.495232089
        ],
        "chainage_start": 487.93153345958336,
        "length": 18.683515861414598,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451325.7645958321,
          6511696.4952320885
        ],
        "end": [
          451211.12881870737,
          6511811.128818708
        ],
        "chainage_start": 506.61504932099797,
        "length": 162.11792182894925
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 74.30366346110524,
        "pvi_z": 254.84236993462548,
        "bvc": 54.303663461105245,
        "evc": 94.30366346110524,
        "length": 40.0,
        "g1": 0.06928207422111414,
        "g2": 0.017678953572494455,
        "z_bvc": 253.4567284502032,
        "K_m_per_percent": 7.751469193572879
      },
      {
        "pvi_ch": 148.6073269222105,
        "pvi_z": 256.1559809512206,
        "bvc": 128.6073269222105,
        "evc": 168.6073269222105,
        "length": 40.0,
        "g1": 0.017678953572494455,
        "g2": -0.0040762224312949685,
        "z_bvc": 255.8024018797707,
        "K_m_per_percent": 18.38642904706108
      },
      {
        "pvi_ch": 222.91099038331572,
        "pvi_z": 255.85310269149306,
        "bvc": 202.91099038331572,
        "evc": 242.91099038331572,
        "length": 40.0,
        "g1": -0.0040762224312949685,
        "g2": 0.00580388192957694,
        "z_bvc": 255.93462714011898,
        "K_m_per_percent": 40.48540231863506
      },
      {
        "pvi_ch": 297.214653844421,
        "pvi_z": 256.28435238115634,
        "bvc": 277.214653844421,
        "evc": 317.214653844421,
        "length": 40.0,
        "g1": 0.00580388192957694,
        "g2": -0.00995642689975026,
        "z_bvc": 256.1682747425648,
        "K_m_per_percent": 25.38021331508869
      },
      {
        "pvi_ch": 371.51831730552624,
        "pvi_z": 255.5445533875222,
        "bvc": 351.51831730552624,
        "evc": 391.51831730552624,
        "length": 40.0,
        "g1": -0.00995642689975026,
        "g2": -0.004332388937995903,
        "z_bvc": 255.7436819255172,
        "K_m_per_percent": 71.12327525528018
      },
      {
        "pvi_ch": 445.82198076663144,
        "pvi_z": 255.22264101789074,
        "bvc": 425.82198076663144,
        "evc": 465.82198076663144,
        "length": 40.0,
        "g1": -0.004332388937995903,
        "g2": -0.009335389495773805,
        "z_bvc": 255.30928879665066,
        "K_m_per_percent": 79.95201986898462
      },
      {
        "pvi_ch": 520.1256442277368,
        "pvi_z": 254.52898737851842,
        "bvc": 500.12564422773676,
        "evc": 540.1256442277368,
        "length": 40.0,
        "g1": -0.009335389495773805,
        "g2": -0.0034771814480204933,
        "z_bvc": 254.7156951684339,
        "K_m_per_percent": 68.28026535407948
      },
      {
        "pvi_ch": 594.429307688842,
        "pvi_z": 254.2706200584115,
        "bvc": 574.429307688842,
        "evc": 614.429307688842,
        "length": 40.0,
        "g1": -0.0034771814480204933,
        "g2": -0.03512395050919779,
        "z_bvc": 254.34016368737193,
        "K_m_per_percent": 12.63952093266609
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450994.6117,
        "northing": 6511886.2232,
        "existing_z": 249.6945,
        "design_z": 249.6945,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451001.6829,
        "northing": 6511879.1522,
        "existing_z": 250.212,
        "design_z": 250.3873,
        "delta_z": 0.1753
      },
      {
        "ch": 20.0,
        "easting": 451008.754,
        "northing": 6511872.0812,
        "existing_z": 250.8342,
        "design_z": 251.0801,
        "delta_z": 0.2459
      },
      {
        "ch": 30.0,
        "easting": 451015.8251,
        "northing": 6511865.0102,
        "existing_z": 251.5778,
        "design_z": 251.7729,
        "delta_z": 0.1952
      },
      {
        "ch": 40.0,
        "easting": 451022.8963,
        "northing": 6511857.9392,
        "existing_z": 252.4462,
        "design_z": 252.4657,
        "delta_z": 0.0195
      },
      {
        "ch": 50.0,
        "easting": 451029.9674,
        "northing": 6511850.8682,
        "existing_z": 253.4316,
        "design_z": 253.1586,
        "delta_z": -0.273
      },
      {
        "ch": 54.3037,
        "easting": 451033.0106,
        "northing": 6511847.8251,
        "existing_z": 253.7922,
        "design_z": 253.4567,
        "delta_z": -0.3355
      },
      {
        "ch": 60.0,
        "easting": 451037.0385,
        "northing": 6511843.7972,
        "existing_z": 254.3005,
        "design_z": 253.8305,
        "delta_z": -0.4701
      },
      {
        "ch": 70.0,
        "easting": 451044.1097,
        "northing": 6511836.7262,
        "existing_z": 255.284,
        "design_z": 254.3853,
        "delta_z": -0.8987
      },
      {
        "ch": 74.3037,
        "easting": 451047.1529,
        "northing": 6511833.6831,
        "existing_z": 255.7429,
        "design_z": 254.5844,
        "delta_z": -1.1586
      },
      {
        "ch": 80.0,
        "easting": 451051.1808,
        "northing": 6511829.6552,
        "existing_z": 256.2693,
        "design_z": 254.8111,
        "delta_z": -1.4582
      },
      {
        "ch": 90.0,
        "easting": 451058.2519,
        "northing": 6511822.5842,
        "existing_z": 256.652,
        "design_z": 255.1079,
        "delta_z": -1.5441
      },
      {
        "ch": 94.3037,
        "easting": 451061.2951,
        "northing": 6511819.5411,
        "existing_z": 256.8403,
        "design_z": 255.1959,
        "delta_z": -1.6443
      },
      {
        "ch": 100.0,
        "easting": 451065.3231,
        "northing": 6511815.5132,
        "existing_z": 257.1112,
        "design_z": 255.2967,
        "delta_z": -1.8146
      },
      {
        "ch": 110.0,
        "easting": 451072.3942,
        "northing": 6511808.4422,
        "existing_z": 257.4009,
        "design_z": 255.4734,
        "delta_z": -1.9274
      },
      {
        "ch": 120.0,
        "easting": 451079.4653,
        "northing": 6511801.3712,
        "existing_z": 257.2084,
        "design_z": 255.6502,
        "delta_z": -1.5582
      },
      {
        "ch": 128.6073,
        "easting": 451085.5517,
        "northing": 6511795.285,
        "existing_z": 257.1329,
        "design_z": 255.8024,
        "delta_z": -1.3305
      },
      {
        "ch": 130.0,
        "easting": 451086.5365,
        "northing": 6511794.3002,
        "existing_z": 257.1285,
        "design_z": 255.8265,
        "delta_z": -1.302
      },
      {
        "ch": 140.0,
        "easting": 451093.6076,
        "northing": 6511787.2292,
        "existing_z": 256.8666,
        "design_z": 255.9685,
        "delta_z": -0.8981
      },
      {
        "ch": 148.6073,
        "easting": 451099.694,
        "northing": 6511781.143,
        "existing_z": 256.4486,
        "design_z": 256.0472,
        "delta_z": -0.4014
      },
      {
        "ch": 150.0,
        "easting": 451100.6787,
        "northing": 6511780.1582,
        "existing_z": 256.3906,
        "design_z": 256.0561,
        "delta_z": -0.3345
      },
      {
        "ch": 160.0,
        "easting": 451107.7499,
        "northing": 6511773.0872,
        "existing_z": 256.0532,
        "design_z": 256.0894,
        "delta_z": 0.0362
      },
      {
        "ch": 168.6073,
        "easting": 451113.8362,
        "northing": 6511767.001,
        "existing_z": 255.7534,
        "design_z": 256.0745,
        "delta_z": 0.321
      },
      {
        "ch": 170.0,
        "easting": 451114.821,
        "northing": 6511766.0162,
        "existing_z": 255.702,
        "design_z": 256.0688,
        "delta_z": 0.3667
      },
      {
        "ch": 180.0,
        "easting": 451121.8922,
        "northing": 6511758.9452,
        "existing_z": 255.4244,
        "design_z": 256.028,
        "delta_z": 0.6036
      },
      {
        "ch": 190.0,
        "easting": 451128.9633,
        "northing": 6511751.8742,
        "existing_z": 255.3071,
        "design_z": 255.9873,
        "delta_z": 0.6802
      },
      {
        "ch": 200.0,
        "easting": 451136.0344,
        "northing": 6511744.8032,
        "existing_z": 255.2525,
        "design_z": 255.9465,
        "delta_z": 0.694
      },
      {
        "ch": 202.911,
        "easting": 451138.0928,
        "northing": 6511742.7448,
        "existing_z": 255.2529,
        "design_z": 255.9346,
        "delta_z": 0.6818
      },
      {
        "ch": 210.0,
        "easting": 451143.1056,
        "northing": 6511737.7322,
        "existing_z": 255.2961,
        "design_z": 255.9119,
        "delta_z": 0.6158
      },
      {
        "ch": 220.0,
        "easting": 451150.1767,
        "northing": 6511730.6612,
        "existing_z": 255.4557,
        "design_z": 255.901,
        "delta_z": 0.4454
      },
      {
        "ch": 222.911,
        "easting": 451152.2351,
        "northing": 6511728.6028,
        "existing_z": 255.4867,
        "design_z": 255.9025,
        "delta_z": 0.4158
      },
      {
        "ch": 230.0,
        "easting": 451157.2478,
        "northing": 6511723.5902,
        "existing_z": 255.5853,
        "design_z": 255.9148,
        "delta_z": 0.3295
      },
      {
        "ch": 240.0,
        "easting": 451164.319,
        "northing": 6511716.5192,
        "existing_z": 255.7743,
        "design_z": 255.9533,
        "delta_z": 0.179
      },
      {
        "ch": 242.911,
        "easting": 451166.3774,
        "northing": 6511714.4608,
        "existing_z": 255.8403,
        "design_z": 255.9692,
        "delta_z": 0.1288
      },
      {
        "ch": 250.0,
        "easting": 451171.3901,
        "northing": 6511709.4482,
        "existing_z": 255.9989,
        "design_z": 256.0103,
        "delta_z": 0.0115
      },
      {
        "ch": 260.0,
        "easting": 451178.4612,
        "northing": 6511702.3772,
        "existing_z": 256.164,
        "design_z": 256.0684,
        "delta_z": -0.0956
      },
      {
        "ch": 270.0,
        "easting": 451185.5324,
        "northing": 6511695.3062,
        "existing_z": 256.3673,
        "design_z": 256.1264,
        "delta_z": -0.2409
      },
      {
        "ch": 277.2147,
        "easting": 451190.6339,
        "northing": 6511690.2047,
        "existing_z": 256.5359,
        "design_z": 256.1683,
        "delta_z": -0.3677
      },
      {
        "ch": 280.0,
        "easting": 451192.6035,
        "northing": 6511688.2352,
        "existing_z": 256.5683,
        "design_z": 256.1829,
        "delta_z": -0.3854
      },
      {
        "ch": 290.0,
        "easting": 451199.6746,
        "northing": 6511681.1642,
        "existing_z": 256.6684,
        "design_z": 256.2103,
        "delta_z": -0.4582
      },
      {
        "ch": 297.2147,
        "easting": 451204.7762,
        "northing": 6511676.0627,
        "existing_z": 256.7379,
        "design_z": 256.2056,
        "delta_z": -0.5323
      },
      {
        "ch": 300.0,
        "easting": 451206.7458,
        "northing": 6511674.0932,
        "existing_z": 256.764,
        "design_z": 256.1982,
        "delta_z": -0.5657
      },
      {
        "ch": 310.0,
        "easting": 451213.8169,
        "northing": 6511667.0222,
        "existing_z": 256.7968,
        "design_z": 256.1468,
        "delta_z": -0.65
      },
      {
        "ch": 317.2147,
        "easting": 451218.9185,
        "northing": 6511661.9207,
        "existing_z": 256.7529,
        "design_z": 256.0852,
        "delta_z": -0.6677
      },
      {
        "ch": 320.0,
        "easting": 451220.888,
        "northing": 6511659.9512,
        "existing_z": 256.7329,
        "design_z": 256.0575,
        "delta_z": -0.6754
      },
      {
        "ch": 330.0,
        "easting": 451227.9592,
        "northing": 6511652.8802,
        "existing_z": 256.6475,
        "design_z": 255.9579,
        "delta_z": -0.6895
      },
      {
        "ch": 340.0,
        "easting": 451235.0303,
        "northing": 6511645.8092,
        "existing_z": 256.4435,
        "design_z": 255.8584,
        "delta_z": -0.5851
      },
      {
        "ch": 350.0,
        "easting": 451242.1014,
        "northing": 6511638.7382,
        "existing_z": 256.146,
        "design_z": 255.7588,
        "delta_z": -0.3872
      },
      {
        "ch": 351.5183,
        "easting": 451243.175,
        "northing": 6511637.6646,
        "existing_z": 256.0992,
        "design_z": 255.7437,
        "delta_z": -0.3555
      },
      {
        "ch": 360.0,
        "easting": 451249.1726,
        "northing": 6511631.6672,
        "existing_z": 255.829,
        "design_z": 255.6643,
        "delta_z": -0.1647
      },
      {
        "ch": 370.0,
        "easting": 451256.2441,
        "northing": 6511624.5965,
        "existing_z": 255.3514,
        "design_z": 255.5837,
        "delta_z": 0.2322
      },
      {
        "ch": 371.5183,
        "easting": 451257.3423,
        "northing": 6511623.5483,
        "existing_z": 255.2736,
        "design_z": 255.5727,
        "delta_z": 0.2991
      },
      {
        "ch": 380.0,
        "easting": 451264.1251,
        "northing": 6511618.4804,
        "existing_z": 254.917,
        "design_z": 255.5171,
        "delta_z": 0.6001
      },
      {
        "ch": 390.0,
        "easting": 451273.2376,
        "northing": 6511614.4209,
        "existing_z": 254.6601,
        "design_z": 255.4646,
        "delta_z": 0.8046
      },
      {
        "ch": 391.5183,
        "easting": 451274.6965,
        "northing": 6511614.0008,
        "existing_z": 254.634,
        "design_z": 255.4579,
        "delta_z": 0.8239
      },
      {
        "ch": 400.0,
        "easting": 451282.9759,
        "northing": 6511612.2398,
        "existing_z": 254.5512,
        "design_z": 255.4212,
        "delta_z": 0.8699
      },
      {
        "ch": 410.0,
        "easting": 451292.6737,
        "northing": 6511614.1923,
        "existing_z": 254.6883,
        "design_z": 255.3778,
        "delta_z": 0.6895
      },
      {
        "ch": 420.0,
        "easting": 451300.4197,
        "northing": 6511620.4197,
        "existing_z": 254.8291,
        "design_z": 255.3345,
        "delta_z": 0.5054
      },
      {
        "ch": 425.822,
        "easting": 451304.314,
        "northing": 6511624.7384,
        "existing_z": 254.9059,
        "design_z": 255.3093,
        "delta_z": 0.4034
      },
      {
        "ch": 430.0,
        "easting": 451306.5587,
        "northing": 6511628.2578,
        "existing_z": 254.9801,
        "design_z": 255.2901,
        "delta_z": 0.31
      },
      {
        "ch": 440.0,
        "easting": 451309.6939,
        "northing": 6511637.7004,
        "existing_z": 255.2249,
        "design_z": 255.2353,
        "delta_z": 0.0104
      },
      {
        "ch": 445.822,
        "easting": 451310.0,
        "northing": 6511643.5074,
        "existing_z": 255.4598,
        "design_z": 255.1976,
        "delta_z": -0.2621
      },
      {
        "ch": 450.0,
        "easting": 451310.0,
        "northing": 6511647.6854,
        "existing_z": 255.6451,
        "design_z": 255.168,
        "delta_z": -0.4771
      },
      {
        "ch": 460.0,
        "easting": 451310.0036,
        "northing": 6511657.6854,
        "existing_z": 255.9627,
        "design_z": 255.0882,
        "delta_z": -0.8746
      },
      {
        "ch": 465.822,
        "easting": 451310.7884,
        "northing": 6511663.4405,
        "existing_z": 255.9699,
        "design_z": 255.0359,
        "delta_z": -0.934
      },
      {
        "ch": 470.0,
        "easting": 451312.1759,
        "northing": 6511667.3761,
        "existing_z": 255.8013,
        "design_z": 254.9969,
        "delta_z": -0.8043
      },
      {
        "ch": 480.0,
        "easting": 451318.0052,
        "northing": 6511675.4165,
        "existing_z": 254.6443,
        "design_z": 254.9036,
        "delta_z": 0.2592
      },
      {
        "ch": 490.0,
        "easting": 451325.9312,
        "northing": 6511681.4923,
        "existing_z": 253.0901,
        "design_z": 254.8102,
        "delta_z": 1.7201
      },
      {
        "ch": 500.0,
        "easting": 451328.7545,
        "northing": 6511690.7116,
        "existing_z": 252.5674,
        "design_z": 254.7169,
        "delta_z": 2.1495
      },
      {
        "ch": 500.1256,
        "easting": 451328.7327,
        "northing": 6511690.8353,
        "existing_z": 252.5695,
        "design_z": 254.7157,
        "delta_z": 2.1461
      },
      {
        "ch": 510.0,
        "easting": 451323.3711,
        "northing": 6511698.8887,
        "existing_z": 253.325,
        "design_z": 254.6307,
        "delta_z": 1.3056
      },
      {
        "ch": 520.0,
        "easting": 451316.2999,
        "northing": 6511705.9597,
        "existing_z": 254.192,
        "design_z": 254.5591,
        "delta_z": 0.3671
      },
      {
        "ch": 520.1256,
        "easting": 451316.2111,
        "northing": 6511706.0486,
        "existing_z": 254.2016,
        "design_z": 254.5583,
        "delta_z": 0.3567
      },
      {
        "ch": 530.0,
        "easting": 451309.2288,
        "northing": 6511713.0307,
        "existing_z": 254.8208,
        "design_z": 254.5022,
        "delta_z": -0.3186
      },
      {
        "ch": 540.0,
        "easting": 451302.1576,
        "northing": 6511720.1017,
        "existing_z": 255.0748,
        "design_z": 254.4599,
        "delta_z": -0.6149
      },
      {
        "ch": 540.1256,
        "easting": 451302.0688,
        "northing": 6511720.1906,
        "existing_z": 255.0776,
        "design_z": 254.4594,
        "delta_z": -0.6182
      },
      {
        "ch": 550.0,
        "easting": 451295.0865,
        "northing": 6511727.1727,
        "existing_z": 255.2712,
        "design_z": 254.4251,
        "delta_z": -0.8461
      },
      {
        "ch": 560.0,
        "easting": 451288.0154,
        "northing": 6511734.2437,
        "existing_z": 255.3798,
        "design_z": 254.3903,
        "delta_z": -0.9895
      },
      {
        "ch": 570.0,
        "easting": 451280.9442,
        "northing": 6511741.3147,
        "existing_z": 255.3218,
        "design_z": 254.3556,
        "delta_z": -0.9662
      },
      {
        "ch": 574.4293,
        "easting": 451277.8122,
        "northing": 6511744.4467,
        "existing_z": 255.3007,
        "design_z": 254.3402,
        "delta_z": -0.9606
      },
      {
        "ch": 580.0,
        "easting": 451273.8731,
        "northing": 6511748.3857,
        "existing_z": 255.2783,
        "design_z": 254.3085,
        "delta_z": -0.9698
      },
      {
        "ch": 590.0,
        "easting": 451266.802,
        "northing": 6511755.4567,
        "existing_z": 255.093,
        "design_z": 254.1901,
        "delta_z": -0.9029
      },
      {
        "ch": 594.4293,
        "easting": 451263.6699,
        "northing": 6511758.5887,
        "existing_z": 254.9441,
        "design_z": 254.1124,
        "delta_z": -0.8317
      },
      {
        "ch": 600.0,
        "easting": 451259.7308,
        "northing": 6511762.5277,
        "existing_z": 254.7553,
        "design_z": 253.9926,
        "delta_z": -0.7627
      },
      {
        "ch": 610.0,
        "easting": 451252.6597,
        "northing": 6511769.5987,
        "existing_z": 254.412,
        "design_z": 253.716,
        "delta_z": -0.6961
      },
      {
        "ch": 614.4293,
        "easting": 451249.5277,
        "northing": 6511772.7307,
        "existing_z": 254.2188,
        "design_z": 253.5681,
        "delta_z": -0.6507
      },
      {
        "ch": 620.0,
        "easting": 451245.5886,
        "northing": 6511776.6697,
        "existing_z": 253.9151,
        "design_z": 253.3725,
        "delta_z": -0.5426
      },
      {
        "ch": 630.0,
        "easting": 451238.5174,
        "northing": 6511783.7407,
        "existing_z": 253.3738,
        "design_z": 253.0212,
        "delta_z": -0.3526
      },
      {
        "ch": 640.0,
        "easting": 451231.4463,
        "northing": 6511790.8117,
        "existing_z": 252.8396,
        "design_z": 252.67,
        "delta_z": -0.1696
      },
      {
        "ch": 650.0,
        "easting": 451224.3752,
        "northing": 6511797.8827,
        "existing_z": 252.3783,
        "design_z": 252.3188,
        "delta_z": -0.0595
      },
      {
        "ch": 660.0,
        "easting": 451217.304,
        "northing": 6511804.9537,
        "existing_z": 251.9684,
        "design_z": 251.9675,
        "delta_z": -0.0009
      },
      {
        "ch": 668.733,
        "easting": 451211.1288,
        "northing": 6511811.1288,
        "existing_z": 251.6608,
        "design_z": 251.6608,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD357",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 131.56,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.19,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451770.0,
          6511798.166338155
        ],
        "end": [
          451770.0,
          6511700.273627015
        ],
        "chainage_start": 0,
        "length": 97.8927111402154
      },
      {
        "type": "ARC",
        "centre": [
          451745.19727032544,
          6511700.273627015
        ],
        "radius": 24.802729674570635,
        "start_angle_rad": 0.0,
        "sweep_rad": -0.7853981634092267,
        "start": [
          451770.0,
          6511700.273627015
        ],
        "end": [
          451762.73544867005,
          6511682.735448671
        ],
        "chainage_start": 97.8927111402154,
        "length": 19.480018333943306,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451762.73544867005,
          6511682.73544867
        ],
        "end": [
          451752.7034492144,
          6511672.703449215
        ],
        "chainage_start": 117.3727294741587,
        "length": 14.187389687321353
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 65.78005958074003,
        "pvi_z": 210.39052955865594,
        "bvc": 45.78005958074003,
        "evc": 85.78005958074003,
        "length": 40.0,
        "g1": -0.02851457639400931,
        "g2": -0.03187588887220688,
        "z_bvc": 210.96082108653613,
        "K_m_per_percent": 119.00113500143587
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451770.0,
        "northing": 6511798.1663,
        "existing_z": 212.2662,
        "design_z": 212.2662,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451770.0,
        "northing": 6511788.1663,
        "existing_z": 212.0681,
        "design_z": 211.9811,
        "delta_z": -0.0871
      },
      {
        "ch": 20.0,
        "easting": 451770.0,
        "northing": 6511778.1663,
        "existing_z": 211.7954,
        "design_z": 211.6959,
        "delta_z": -0.0995
      },
      {
        "ch": 30.0,
        "easting": 451770.0,
        "northing": 6511768.1663,
        "existing_z": 211.5102,
        "design_z": 211.4108,
        "delta_z": -0.0995
      },
      {
        "ch": 40.0,
        "easting": 451770.0,
        "northing": 6511758.1663,
        "existing_z": 211.1697,
        "design_z": 211.1256,
        "delta_z": -0.044
      },
      {
        "ch": 45.7801,
        "easting": 451770.0,
        "northing": 6511752.3863,
        "existing_z": 210.9728,
        "design_z": 210.9608,
        "delta_z": -0.012
      },
      {
        "ch": 50.0,
        "easting": 451770.0,
        "northing": 6511748.1663,
        "existing_z": 210.8452,
        "design_z": 210.8397,
        "delta_z": -0.0055
      },
      {
        "ch": 60.0,
        "easting": 451770.0,
        "northing": 6511738.1663,
        "existing_z": 210.5926,
        "design_z": 210.5468,
        "delta_z": -0.0457
      },
      {
        "ch": 65.7801,
        "easting": 451770.0,
        "northing": 6511732.3863,
        "existing_z": 210.4465,
        "design_z": 210.3737,
        "delta_z": -0.0728
      },
      {
        "ch": 70.0,
        "easting": 451770.0,
        "northing": 6511728.1663,
        "existing_z": 210.3161,
        "design_z": 210.2456,
        "delta_z": -0.0705
      },
      {
        "ch": 80.0,
        "easting": 451770.0,
        "northing": 6511718.1663,
        "existing_z": 209.9335,
        "design_z": 209.9359,
        "delta_z": 0.0023
      },
      {
        "ch": 85.7801,
        "easting": 451770.0,
        "northing": 6511712.3863,
        "existing_z": 209.7124,
        "design_z": 209.753,
        "delta_z": 0.0406
      },
      {
        "ch": 90.0,
        "easting": 451770.0,
        "northing": 6511708.1663,
        "existing_z": 209.5482,
        "design_z": 209.6185,
        "delta_z": 0.0703
      },
      {
        "ch": 100.0,
        "easting": 451769.9105,
        "northing": 6511698.1689,
        "existing_z": 209.151,
        "design_z": 209.2997,
        "delta_z": 0.1488
      },
      {
        "ch": 110.0,
        "easting": 451767.1032,
        "northing": 6511688.6415,
        "existing_z": 208.7903,
        "design_z": 208.981,
        "delta_z": 0.1907
      },
      {
        "ch": 120.0,
        "easting": 451760.8777,
        "northing": 6511680.8777,
        "existing_z": 208.5552,
        "design_z": 208.6622,
        "delta_z": 0.107
      },
      {
        "ch": 130.0,
        "easting": 451753.8066,
        "northing": 6511673.8066,
        "existing_z": 208.3301,
        "design_z": 208.3435,
        "delta_z": 0.0134
      },
      {
        "ch": 131.5601,
        "easting": 451752.7034,
        "northing": 6511672.7034,
        "existing_z": 208.2937,
        "design_z": 208.2937,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD358",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 426.541,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 18.11,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450248.39,
          6511584.96
        ],
        "end": [
          450550.0,
          6511886.57
        ],
        "chainage_start": 0,
        "length": 426.5409525475764
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 71.0901587579294,
        "pvi_z": 240.3378511539,
        "bvc": 51.0901587579294,
        "evc": 91.0901587579294,
        "length": 40.0,
        "g1": 0.13929240995800365,
        "g2": 0.18109600069175227,
        "z_bvc": 237.55200295473992,
        "K_m_per_percent": 9.56855602542952
      },
      {
        "pvi_ch": 142.1803175158588,
        "pvi_z": 253.21199459350277,
        "bvc": 122.1803175158588,
        "evc": 162.1803175158588,
        "length": 40.0,
        "g1": 0.18109600069175227,
        "g2": 0.12253007315161005,
        "z_bvc": 249.59007457966771,
        "K_m_per_percent": 6.829909758123992
      },
      {
        "pvi_ch": 213.2704762737882,
        "pvi_z": 261.9226769464714,
        "bvc": 183.8134474548467,
        "evc": 242.7275050927297,
        "length": 58.91405763788299,
        "g1": 0.12253007315161005,
        "g2": 0.024339977088471732,
        "z_bvc": 258.3133050504574,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 284.3606350317176,
        "pvi_z": 263.65300978185525,
        "bvc": 264.3606350317176,
        "evc": 304.3606350317176,
        "length": 40.0,
        "g1": 0.024339977088471732,
        "g2": 0.0345426851715265,
        "z_bvc": 263.16621024008583,
        "K_m_per_percent": 39.20527733850806
      },
      {
        "pvi_ch": 355.45079378964704,
        "pvi_z": 266.10865475462424,
        "bvc": 335.45079378964704,
        "evc": 375.45079378964704,
        "length": 40.0,
        "g1": 0.0345426851715265,
        "g2": 0.05689186809387689,
        "z_bvc": 265.4178010511937,
        "K_m_per_percent": 17.897746033479297
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450248.39,
        "northing": 6511584.96,
        "existing_z": 230.4355,
        "design_z": 230.4355,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450255.4611,
        "northing": 6511592.0311,
        "existing_z": 231.3418,
        "design_z": 231.8285,
        "delta_z": 0.4867
      },
      {
        "ch": 20.0,
        "easting": 450262.5321,
        "northing": 6511599.1021,
        "existing_z": 232.463,
        "design_z": 233.2214,
        "delta_z": 0.7584
      },
      {
        "ch": 30.0,
        "easting": 450269.6032,
        "northing": 6511606.1732,
        "existing_z": 233.5453,
        "design_z": 234.6143,
        "delta_z": 1.069
      },
      {
        "ch": 40.0,
        "easting": 450276.6743,
        "northing": 6511613.2443,
        "existing_z": 234.7925,
        "design_z": 236.0072,
        "delta_z": 1.2147
      },
      {
        "ch": 50.0,
        "easting": 450283.7453,
        "northing": 6511620.3153,
        "existing_z": 236.124,
        "design_z": 237.4002,
        "delta_z": 1.2761
      },
      {
        "ch": 51.0902,
        "easting": 450284.5162,
        "northing": 6511621.0862,
        "existing_z": 236.2711,
        "design_z": 237.552,
        "delta_z": 1.2809
      },
      {
        "ch": 60.0,
        "easting": 450290.8164,
        "northing": 6511627.3864,
        "existing_z": 237.4989,
        "design_z": 238.8346,
        "delta_z": 1.3356
      },
      {
        "ch": 70.0,
        "easting": 450297.8875,
        "northing": 6511634.4575,
        "existing_z": 239.1263,
        "design_z": 240.3729,
        "delta_z": 1.2466
      },
      {
        "ch": 71.0902,
        "easting": 450298.6583,
        "northing": 6511635.2283,
        "existing_z": 239.317,
        "design_z": 240.5469,
        "delta_z": 1.2298
      },
      {
        "ch": 80.0,
        "easting": 450304.9585,
        "northing": 6511641.5285,
        "existing_z": 240.9158,
        "design_z": 242.0157,
        "delta_z": 1.0999
      },
      {
        "ch": 90.0,
        "easting": 450312.0296,
        "northing": 6511648.5996,
        "existing_z": 242.8114,
        "design_z": 243.763,
        "delta_z": 0.9516
      },
      {
        "ch": 91.0902,
        "easting": 450312.8005,
        "northing": 6511649.3705,
        "existing_z": 243.0282,
        "design_z": 243.9598,
        "delta_z": 0.9315
      },
      {
        "ch": 100.0,
        "easting": 450319.1007,
        "northing": 6511655.6707,
        "existing_z": 244.8759,
        "design_z": 245.5733,
        "delta_z": 0.6974
      },
      {
        "ch": 110.0,
        "easting": 450326.1717,
        "northing": 6511662.7417,
        "existing_z": 247.0362,
        "design_z": 247.3843,
        "delta_z": 0.3481
      },
      {
        "ch": 120.0,
        "easting": 450333.2428,
        "northing": 6511669.8128,
        "existing_z": 249.3199,
        "design_z": 249.1952,
        "delta_z": -0.1247
      },
      {
        "ch": 122.1803,
        "easting": 450334.7845,
        "northing": 6511671.3545,
        "existing_z": 249.7847,
        "design_z": 249.5901,
        "delta_z": -0.1947
      },
      {
        "ch": 130.0,
        "easting": 450340.3139,
        "northing": 6511676.8839,
        "existing_z": 251.4507,
        "design_z": 250.9614,
        "delta_z": -0.4893
      },
      {
        "ch": 140.0,
        "easting": 450347.3849,
        "northing": 6511683.9549,
        "existing_z": 253.6401,
        "design_z": 252.5847,
        "delta_z": -1.0555
      },
      {
        "ch": 142.1803,
        "easting": 450348.9267,
        "northing": 6511685.4967,
        "existing_z": 254.1263,
        "design_z": 252.9192,
        "delta_z": -1.2071
      },
      {
        "ch": 150.0,
        "easting": 450354.456,
        "northing": 6511691.026,
        "existing_z": 255.808,
        "design_z": 254.0615,
        "delta_z": -1.7465
      },
      {
        "ch": 160.0,
        "easting": 450361.5271,
        "northing": 6511698.0971,
        "existing_z": 257.7063,
        "design_z": 255.392,
        "delta_z": -2.3144
      },
      {
        "ch": 162.1803,
        "easting": 450363.0688,
        "northing": 6511699.6388,
        "existing_z": 258.1209,
        "design_z": 255.6626,
        "delta_z": -2.4583
      },
      {
        "ch": 170.0,
        "easting": 450368.5982,
        "northing": 6511705.1682,
        "existing_z": 259.6097,
        "design_z": 256.6207,
        "delta_z": -2.9889
      },
      {
        "ch": 180.0,
        "easting": 450375.6692,
        "northing": 6511712.2392,
        "existing_z": 261.0859,
        "design_z": 257.846,
        "delta_z": -3.2399
      },
      {
        "ch": 183.8134,
        "easting": 450378.3657,
        "northing": 6511714.9357,
        "existing_z": 261.5289,
        "design_z": 258.3133,
        "delta_z": -3.2156
      },
      {
        "ch": 190.0,
        "easting": 450382.7403,
        "northing": 6511719.3103,
        "existing_z": 262.2157,
        "design_z": 259.0394,
        "delta_z": -3.1762
      },
      {
        "ch": 200.0,
        "easting": 450389.8114,
        "northing": 6511726.3814,
        "existing_z": 263.2422,
        "design_z": 260.0783,
        "delta_z": -3.1639
      },
      {
        "ch": 210.0,
        "easting": 450396.8824,
        "northing": 6511733.4524,
        "existing_z": 263.5765,
        "design_z": 260.9505,
        "delta_z": -2.626
      },
      {
        "ch": 213.2705,
        "easting": 450399.195,
        "northing": 6511735.765,
        "existing_z": 263.6396,
        "design_z": 261.1996,
        "delta_z": -2.4401
      },
      {
        "ch": 220.0,
        "easting": 450403.9535,
        "northing": 6511740.5235,
        "existing_z": 263.7568,
        "design_z": 261.656,
        "delta_z": -2.1008
      },
      {
        "ch": 230.0,
        "easting": 450411.0246,
        "northing": 6511747.5946,
        "existing_z": 263.8616,
        "design_z": 262.1949,
        "delta_z": -1.6667
      },
      {
        "ch": 240.0,
        "easting": 450418.0956,
        "northing": 6511754.6656,
        "existing_z": 263.6625,
        "design_z": 262.5671,
        "delta_z": -1.0954
      },
      {
        "ch": 242.7275,
        "easting": 450420.0243,
        "northing": 6511756.5943,
        "existing_z": 263.6038,
        "design_z": 262.6397,
        "delta_z": -0.9641
      },
      {
        "ch": 250.0,
        "easting": 450425.1667,
        "northing": 6511761.7367,
        "existing_z": 263.4615,
        "design_z": 262.8167,
        "delta_z": -0.6448
      },
      {
        "ch": 260.0,
        "easting": 450432.2378,
        "northing": 6511768.8078,
        "existing_z": 263.3089,
        "design_z": 263.0601,
        "delta_z": -0.2488
      },
      {
        "ch": 264.3606,
        "easting": 450435.3212,
        "northing": 6511771.8912,
        "existing_z": 263.2512,
        "design_z": 263.1662,
        "delta_z": -0.085
      },
      {
        "ch": 270.0,
        "easting": 450439.3088,
        "northing": 6511775.8788,
        "existing_z": 263.1865,
        "design_z": 263.3075,
        "delta_z": 0.121
      },
      {
        "ch": 280.0,
        "easting": 450446.3799,
        "northing": 6511782.9499,
        "existing_z": 263.1269,
        "design_z": 263.5781,
        "delta_z": 0.4511
      },
      {
        "ch": 284.3606,
        "easting": 450449.4633,
        "northing": 6511786.0333,
        "existing_z": 263.1231,
        "design_z": 263.704,
        "delta_z": 0.5809
      },
      {
        "ch": 290.0,
        "easting": 450453.451,
        "northing": 6511790.021,
        "existing_z": 263.2592,
        "design_z": 263.8741,
        "delta_z": 0.6149
      },
      {
        "ch": 300.0,
        "easting": 450460.522,
        "northing": 6511797.092,
        "existing_z": 263.5249,
        "design_z": 264.1957,
        "delta_z": 0.6707
      },
      {
        "ch": 304.3606,
        "easting": 450463.6055,
        "northing": 6511800.1755,
        "existing_z": 263.6406,
        "design_z": 264.3439,
        "delta_z": 0.7032
      },
      {
        "ch": 310.0,
        "easting": 450467.5931,
        "northing": 6511804.1631,
        "existing_z": 263.7901,
        "design_z": 264.5387,
        "delta_z": 0.7485
      },
      {
        "ch": 320.0,
        "easting": 450474.6642,
        "northing": 6511811.2342,
        "existing_z": 264.2104,
        "design_z": 264.8841,
        "delta_z": 0.6737
      },
      {
        "ch": 330.0,
        "easting": 450481.7352,
        "northing": 6511818.3052,
        "existing_z": 264.6421,
        "design_z": 265.2295,
        "delta_z": 0.5875
      },
      {
        "ch": 335.4508,
        "easting": 450485.5895,
        "northing": 6511822.1595,
        "existing_z": 264.8557,
        "design_z": 265.4178,
        "delta_z": 0.5621
      },
      {
        "ch": 340.0,
        "easting": 450488.8063,
        "northing": 6511825.3763,
        "existing_z": 265.0223,
        "design_z": 265.5807,
        "delta_z": 0.5584
      },
      {
        "ch": 350.0,
        "easting": 450495.8774,
        "northing": 6511832.4474,
        "existing_z": 265.5396,
        "design_z": 265.9795,
        "delta_z": 0.4399
      },
      {
        "ch": 355.4508,
        "easting": 450499.7317,
        "northing": 6511836.3017,
        "existing_z": 265.8385,
        "design_z": 266.2204,
        "delta_z": 0.3819
      },
      {
        "ch": 360.0,
        "easting": 450502.9484,
        "northing": 6511839.5184,
        "existing_z": 266.0807,
        "design_z": 266.4342,
        "delta_z": 0.3534
      },
      {
        "ch": 370.0,
        "easting": 450510.0195,
        "northing": 6511846.5895,
        "existing_z": 266.5901,
        "design_z": 266.9447,
        "delta_z": 0.3546
      },
      {
        "ch": 375.4508,
        "easting": 450513.8738,
        "northing": 6511850.4438,
        "existing_z": 266.9289,
        "design_z": 267.2465,
        "delta_z": 0.3176
      },
      {
        "ch": 380.0,
        "easting": 450517.0906,
        "northing": 6511853.6606,
        "existing_z": 267.2257,
        "design_z": 267.5053,
        "delta_z": 0.2796
      },
      {
        "ch": 390.0,
        "easting": 450524.1616,
        "northing": 6511860.7316,
        "existing_z": 267.8546,
        "design_z": 268.0742,
        "delta_z": 0.2196
      },
      {
        "ch": 400.0,
        "easting": 450531.2327,
        "northing": 6511867.8027,
        "existing_z": 268.4571,
        "design_z": 268.6431,
        "delta_z": 0.1861
      },
      {
        "ch": 410.0,
        "easting": 450538.3038,
        "northing": 6511874.8738,
        "existing_z": 269.0914,
        "design_z": 269.2121,
        "delta_z": 0.1207
      },
      {
        "ch": 420.0,
        "easting": 450545.3748,
        "northing": 6511881.9448,
        "existing_z": 269.7338,
        "design_z": 269.781,
        "delta_z": 0.0472
      },
      {
        "ch": 426.541,
        "easting": 450550.0,
        "northing": 6511886.57,
        "existing_z": 270.1531,
        "design_z": 270.1531,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD359",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 410.708,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 15.75,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449674.8499999999,
          6511670.0
        ],
        "end": [
          449683.637,
          6511670.0
        ],
        "chainage_start": 0,
        "length": 8.787000000069384
      },
      {
        "type": "ARC",
        "centre": [
          449683.637,
          6511685.361640898
        ],
        "radius": 15.36164089746263,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          449683.637,
          6511670.0
        ],
        "end": [
          449694.4993204487,
          6511674.499320448
        ],
        "chainage_start": 8.787000000069384,
        "length": 12.06500454763828,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449694.4993204487,
          6511674.499320448
        ],
        "end": [
          449701.6,
          6511681.6
        ],
        "chainage_start": 20.852004547707665,
        "length": 10.041877323444796
      },
      {
        "type": "ARC",
        "centre": [
          449721.8793939239,
          6511661.320606076
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 2.356194490203826,
        "sweep_rad": -0.7853981633974484,
        "start": [
          449701.6,
          6511681.6
        ],
        "end": [
          449721.8793939239,
          6511690.0
        ],
        "chainage_start": 30.89388187115246,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          449721.87939392356,
          6511690.0
        ],
        "end": [
          449745.07144315465,
          6511690.0
        ],
        "chainage_start": 53.418625186362156,
        "length": 23.192049231089186
      },
      {
        "type": "ARC",
        "centre": [
          449745.07144315465,
          6511780.0
        ],
        "radius": 90.0,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.5404195002705842,
        "start": [
          449745.07144315465,
          6511690.0
        ],
        "end": [
          449791.3760611431,
          6511702.825636686
        ],
        "chainage_start": 76.61067441745135,
        "length": 48.63775502435257,
        "target_radius": 90,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          449791.3760611431,
          6511702.825636686
        ],
        "end": [
          449848.6239388569,
          6511737.174363314
        ],
        "chainage_start": 125.24842944180392,
        "length": 66.76192420623035
      },
      {
        "type": "ARC",
        "centre": [
          449894.92855684535,
          6511660.0
        ],
        "radius": 90.0,
        "start_angle_rad": 2.111215827065148,
        "sweep_rad": -0.5404195002705842,
        "start": [
          449848.6239388569,
          6511737.174363314
        ],
        "end": [
          449894.92855684535,
          6511750.0
        ],
        "chainage_start": 192.01035364803425,
        "length": 48.63775502435257,
        "target_radius": 90,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          449894.9285568454,
          6511750.0
        ],
        "end": [
          449905.07144315465,
          6511750.0
        ],
        "chainage_start": 240.64810867238683,
        "length": 10.142886309244204
      },
      {
        "type": "ARC",
        "centre": [
          449905.07144315465,
          6511840.0
        ],
        "radius": 90.0,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.5404195002705842,
        "start": [
          449905.07144315465,
          6511750.0
        ],
        "end": [
          449951.3760611431,
          6511762.825636686
        ],
        "chainage_start": 250.79099498163103,
        "length": 48.63775502435257,
        "target_radius": 90,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          449951.3760611431,
          6511762.825636686
        ],
        "end": [
          450022.797059424,
          6511805.678235655
        ],
        "chainage_start": 299.4287500059836,
        "length": 83.29048105170563
      },
      {
        "type": "ARC",
        "centre": [
          450038.39999999997,
          6511779.6733346945
        ],
        "radius": 30.326665305566845,
        "start_angle_rad": 2.1112158270605432,
        "sweep_rad": -0.5404195002705842,
        "start": [
          450022.797059424,
          6511805.678235655
        ],
        "end": [
          450038.4,
          6511810.0
        ],
        "chainage_start": 382.7192310576892,
        "length": 16.389121309307697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450038.40000000014,
          6511810.0
        ],
        "end": [
          450050.0,
          6511810.0
        ],
        "chainage_start": 399.10835236699694,
        "length": 11.599999999860302
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 68.45139206114287,
        "pvi_z": 224.52880071050507,
        "bvc": 48.45139206114287,
        "evc": 88.45139206114287,
        "length": 40.0,
        "g1": 0.157530916112155,
        "g2": 0.1302181524931456,
        "z_bvc": 221.37818238826196,
        "K_m_per_percent": 14.645167569992966
      },
      {
        "pvi_ch": 136.90278412228574,
        "pvi_z": 233.44241452029107,
        "bvc": 115.45700543710939,
        "evc": 158.3485628074621,
        "length": 42.8915573703527,
        "g1": 0.1302181524931456,
        "g2": 0.05873222354255778,
        "z_bvc": 230.64978484113053,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 205.3541761834286,
        "pvi_z": 237.46271698062537,
        "bvc": 185.3541761834286,
        "evc": 225.3541761834286,
        "length": 40.0,
        "g1": 0.05873222354255778,
        "g2": 0.04046815308606481,
        "z_bvc": 236.28807250977422,
        "K_m_per_percent": 21.900922959799356
      },
      {
        "pvi_ch": 273.8055682445715,
        "pvi_z": 240.23281839350994,
        "bvc": 253.80556824457148,
        "evc": 293.8055682445715,
        "length": 40.0,
        "g1": 0.04046815308606481,
        "g2": 0.06844613092070737,
        "z_bvc": 239.42345533178866,
        "K_m_per_percent": 14.296958928343876
      },
      {
        "pvi_ch": 342.25696030571436,
        "pvi_z": 244.9180513362316,
        "bvc": 322.25696030571436,
        "evc": 362.25696030571436,
        "length": 40.0,
        "g1": 0.06844613092070737,
        "g2": 0.11102991729271589,
        "z_bvc": 243.54912871781744,
        "K_m_per_percent": 9.393246446091766
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449674.85,
        "northing": 6511670.0,
        "existing_z": 213.7456,
        "design_z": 213.7456,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449684.8487,
        "northing": 6511670.0479,
        "existing_z": 214.935,
        "design_z": 215.3209,
        "delta_z": 0.3859
      },
      {
        "ch": 20.0,
        "easting": 449693.8805,
        "northing": 6511673.9139,
        "existing_z": 216.5697,
        "design_z": 216.8962,
        "delta_z": 0.3265
      },
      {
        "ch": 30.0,
        "easting": 449700.9679,
        "northing": 6511680.9679,
        "existing_z": 218.4303,
        "design_z": 218.4715,
        "delta_z": 0.0412
      },
      {
        "ch": 40.0,
        "easting": 449708.945,
        "northing": 6511686.9177,
        "existing_z": 220.2512,
        "design_z": 220.0468,
        "delta_z": -0.2043
      },
      {
        "ch": 48.4514,
        "easting": 449716.937,
        "northing": 6511689.5709,
        "existing_z": 221.7185,
        "design_z": 221.3782,
        "delta_z": -0.3404
      },
      {
        "ch": 50.0,
        "easting": 449718.4689,
        "northing": 6511689.7965,
        "existing_z": 221.9656,
        "design_z": 221.6213,
        "delta_z": -0.3442
      },
      {
        "ch": 60.0,
        "easting": 449728.4608,
        "northing": 6511690.0,
        "existing_z": 223.4141,
        "design_z": 223.1519,
        "delta_z": -0.2622
      },
      {
        "ch": 68.4514,
        "easting": 449736.9122,
        "northing": 6511690.0,
        "existing_z": 224.687,
        "design_z": 224.3922,
        "delta_z": -0.2948
      },
      {
        "ch": 70.0,
        "easting": 449738.4608,
        "northing": 6511690.0,
        "existing_z": 224.9231,
        "design_z": 224.6142,
        "delta_z": -0.3089
      },
      {
        "ch": 80.0,
        "easting": 449748.46,
        "northing": 6511690.0638,
        "existing_z": 226.4564,
        "design_z": 226.0083,
        "delta_z": -0.4481
      },
      {
        "ch": 88.4514,
        "easting": 449756.878,
        "northing": 6511690.7778,
        "existing_z": 227.7817,
        "design_z": 227.1332,
        "delta_z": -0.6485
      },
      {
        "ch": 90.0,
        "easting": 449758.4114,
        "northing": 6511690.9941,
        "existing_z": 228.0323,
        "design_z": 227.3348,
        "delta_z": -0.6975
      },
      {
        "ch": 100.0,
        "easting": 449768.1984,
        "northing": 6511693.0222,
        "existing_z": 229.7157,
        "design_z": 228.637,
        "delta_z": -1.0787
      },
      {
        "ch": 110.0,
        "easting": 449777.7001,
        "northing": 6511696.1229,
        "existing_z": 231.237,
        "design_z": 229.9392,
        "delta_z": -1.2978
      },
      {
        "ch": 115.457,
        "easting": 449782.7228,
        "northing": 6511698.2542,
        "existing_z": 232.047,
        "design_z": 230.6498,
        "delta_z": -1.3973
      },
      {
        "ch": 120.0,
        "easting": 449786.7994,
        "northing": 6511700.2581,
        "existing_z": 232.7202,
        "design_z": 231.2242,
        "delta_z": -1.496
      },
      {
        "ch": 130.0,
        "easting": 449795.4505,
        "northing": 6511705.2703,
        "existing_z": 233.9473,
        "design_z": 232.3673,
        "delta_z": -1.58
      },
      {
        "ch": 136.9028,
        "easting": 449801.3696,
        "northing": 6511708.8218,
        "existing_z": 234.6421,
        "design_z": 233.0591,
        "delta_z": -1.583
      },
      {
        "ch": 140.0,
        "easting": 449804.0254,
        "northing": 6511710.4153,
        "existing_z": 234.9331,
        "design_z": 233.3438,
        "delta_z": -1.5893
      },
      {
        "ch": 150.0,
        "easting": 449812.6004,
        "northing": 6511715.5602,
        "existing_z": 235.7152,
        "design_z": 234.1536,
        "delta_z": -1.5616
      },
      {
        "ch": 158.3486,
        "easting": 449819.7592,
        "northing": 6511719.8555,
        "existing_z": 236.1755,
        "design_z": 234.702,
        "delta_z": -1.4735
      },
      {
        "ch": 160.0,
        "easting": 449821.1753,
        "northing": 6511720.7052,
        "existing_z": 236.2579,
        "design_z": 234.799,
        "delta_z": -1.4589
      },
      {
        "ch": 170.0,
        "easting": 449829.7502,
        "northing": 6511725.8501,
        "existing_z": 236.6947,
        "design_z": 235.3863,
        "delta_z": -1.3084
      },
      {
        "ch": 180.0,
        "easting": 449838.3251,
        "northing": 6511730.9951,
        "existing_z": 237.0031,
        "design_z": 235.9736,
        "delta_z": -1.0295
      },
      {
        "ch": 185.3542,
        "easting": 449842.9163,
        "northing": 6511733.7498,
        "existing_z": 237.1259,
        "design_z": 236.2881,
        "delta_z": -0.8378
      },
      {
        "ch": 190.0,
        "easting": 449846.9001,
        "northing": 6511736.14,
        "existing_z": 237.2191,
        "design_z": 236.556,
        "delta_z": -0.6631
      },
      {
        "ch": 200.0,
        "easting": 449855.6483,
        "northing": 6511740.9757,
        "existing_z": 237.4582,
        "design_z": 237.0993,
        "delta_z": -0.3589
      },
      {
        "ch": 205.3542,
        "easting": 449860.5323,
        "northing": 6511743.1679,
        "existing_z": 237.5925,
        "design_z": 237.3714,
        "delta_z": -0.2211
      },
      {
        "ch": 210.0,
        "easting": 449864.8694,
        "northing": 6511744.8319,
        "existing_z": 237.6996,
        "design_z": 237.5969,
        "delta_z": -0.1027
      },
      {
        "ch": 220.0,
        "easting": 449874.4611,
        "northing": 6511747.6418,
        "existing_z": 237.9741,
        "design_z": 238.0489,
        "delta_z": 0.0747
      },
      {
        "ch": 225.3542,
        "easting": 449879.7081,
        "northing": 6511748.7037,
        "existing_z": 238.1562,
        "design_z": 238.2721,
        "delta_z": 0.1159
      },
      {
        "ch": 230.0,
        "easting": 449884.3053,
        "northing": 6511749.3708,
        "existing_z": 238.3085,
        "design_z": 238.4601,
        "delta_z": 0.1516
      },
      {
        "ch": 240.0,
        "easting": 449894.2805,
        "northing": 6511749.9977,
        "existing_z": 238.6356,
        "design_z": 238.8648,
        "delta_z": 0.2291
      },
      {
        "ch": 250.0,
        "easting": 449904.2804,
        "northing": 6511750.0,
        "existing_z": 238.9717,
        "design_z": 239.2695,
        "delta_z": 0.2977
      },
      {
        "ch": 253.8056,
        "easting": 449908.0855,
        "northing": 6511750.0505,
        "existing_z": 239.1012,
        "design_z": 239.4235,
        "delta_z": 0.3222
      },
      {
        "ch": 260.0,
        "easting": 449914.2644,
        "northing": 6511750.4707,
        "existing_z": 239.3151,
        "design_z": 239.6876,
        "delta_z": 0.3724
      },
      {
        "ch": 270.0,
        "easting": 449924.1349,
        "northing": 6511752.0422,
        "existing_z": 239.6948,
        "design_z": 240.1705,
        "delta_z": 0.4758
      },
      {
        "ch": 273.8056,
        "easting": 449927.836,
        "northing": 6511752.9266,
        "existing_z": 239.855,
        "design_z": 240.3727,
        "delta_z": 0.5177
      },
      {
        "ch": 280.0,
        "easting": 449933.7704,
        "northing": 6511754.6984,
        "existing_z": 240.1207,
        "design_z": 240.7235,
        "delta_z": 0.6028
      },
      {
        "ch": 290.0,
        "easting": 449943.0519,
        "northing": 6511758.4066,
        "existing_z": 240.5948,
        "design_z": 241.3463,
        "delta_z": 0.7515
      },
      {
        "ch": 293.8056,
        "easting": 449946.467,
        "northing": 6511760.085,
        "existing_z": 240.7963,
        "design_z": 241.6017,
        "delta_z": 0.8055
      },
      {
        "ch": 300.0,
        "easting": 449951.8659,
        "northing": 6511763.1195,
        "existing_z": 241.1579,
        "design_z": 242.0257,
        "delta_z": 0.8678
      },
      {
        "ch": 310.0,
        "easting": 449960.4408,
        "northing": 6511768.2645,
        "existing_z": 241.8167,
        "design_z": 242.7102,
        "delta_z": 0.8934
      },
      {
        "ch": 320.0,
        "easting": 449969.0158,
        "northing": 6511773.4095,
        "existing_z": 242.5064,
        "design_z": 243.3946,
        "delta_z": 0.8882
      },
      {
        "ch": 322.257,
        "easting": 449970.9511,
        "northing": 6511774.5707,
        "existing_z": 242.6724,
        "design_z": 243.5491,
        "delta_z": 0.8767
      },
      {
        "ch": 330.0,
        "easting": 449977.5907,
        "northing": 6511778.5544,
        "existing_z": 243.2762,
        "design_z": 244.111,
        "delta_z": 0.8349
      },
      {
        "ch": 340.0,
        "easting": 449986.1656,
        "northing": 6511783.6994,
        "existing_z": 244.0939,
        "design_z": 244.9311,
        "delta_z": 0.8373
      },
      {
        "ch": 342.257,
        "easting": 449988.1009,
        "northing": 6511784.8606,
        "existing_z": 244.2843,
        "design_z": 245.131,
        "delta_z": 0.8466
      },
      {
        "ch": 350.0,
        "easting": 449994.7406,
        "northing": 6511788.8443,
        "existing_z": 244.9936,
        "design_z": 245.8577,
        "delta_z": 0.8642
      },
      {
        "ch": 360.0,
        "easting": 450003.3155,
        "northing": 6511793.9893,
        "existing_z": 245.9761,
        "design_z": 246.8908,
        "delta_z": 0.9147
      },
      {
        "ch": 362.257,
        "easting": 450005.2508,
        "northing": 6511795.1505,
        "existing_z": 246.2035,
        "design_z": 247.1386,
        "delta_z": 0.9352
      },
      {
        "ch": 370.0,
        "easting": 450011.8904,
        "northing": 6511799.1342,
        "existing_z": 247.041,
        "design_z": 247.9984,
        "delta_z": 0.9574
      },
      {
        "ch": 380.0,
        "easting": 450020.4653,
        "northing": 6511804.2792,
        "existing_z": 248.2961,
        "design_z": 249.1087,
        "delta_z": 0.8126
      },
      {
        "ch": 390.0,
        "easting": 450029.428,
        "northing": 6511808.6424,
        "existing_z": 249.5496,
        "design_z": 250.219,
        "delta_z": 0.6694
      },
      {
        "ch": 400.0,
        "easting": 450039.2916,
        "northing": 6511810.0,
        "existing_z": 251.0246,
        "design_z": 251.3293,
        "delta_z": 0.3047
      },
      {
        "ch": 410.0,
        "easting": 450049.2916,
        "northing": 6511810.0,
        "existing_z": 252.4194,
        "design_z": 252.4396,
        "delta_z": 0.0202
      },
      {
        "ch": 410.7084,
        "easting": 450050.0,
        "northing": 6511810.0,
        "existing_z": 252.5182,
        "design_z": 252.5182,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD360",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 546.474,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 14.64,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          449940.0,
          6511559.41
        ],
        "end": [
          450239.4009237087,
          6511858.810923709
        ],
        "chainage_start": 0,
        "length": 423.4168468956923
      },
      {
        "type": "ARC",
        "centre": [
          450268.88,
          6511829.331847417
        ],
        "radius": 41.689709497418875,
        "start_angle_rad": 2.3561944901903704,
        "sweep_rad": -1.5707963267951344,
        "start": [
          450239.4009237087,
          6511858.810923709
        ],
        "end": [
          450298.3590762913,
          6511858.810923709
        ],
        "chainage_start": 423.4168468956923,
        "length": 65.4860425437018,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450298.3590762914,
          6511858.810923709
        ],
        "end": [
          450339.0682768841,
          6511818.101723116
        ],
        "chainage_start": 488.9028894393941,
        "length": 57.571503591579535
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 78.06777043299623,
        "pvi_z": 226.97086827376947,
        "bvc": 58.06777043299623,
        "evc": 98.06777043299623,
        "length": 40.0,
        "g1": 0.11435756490596583,
        "g2": 0.14642103076391888,
        "z_bvc": 224.68371697565016,
        "K_m_per_percent": 12.475257720798876
      },
      {
        "pvi_ch": 156.13554086599245,
        "pvi_z": 238.40163169000976,
        "bvc": 136.13554086599245,
        "evc": 176.13554086599245,
        "length": 40.0,
        "g1": 0.14642103076391888,
        "g2": 0.14534248966937566,
        "z_bvc": 235.47321107473138,
        "K_m_per_percent": 370.8713576364984
      },
      {
        "pvi_ch": 234.2033112989887,
        "pvi_z": 249.7481958076787,
        "bvc": 209.87241030152222,
        "evc": 258.53421229645517,
        "length": 48.661801994932915,
        "g1": 0.14534248966937566,
        "g2": 0.06423948634448746,
        "z_bvc": 246.21188208080784,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 312.2710817319849,
        "pvi_z": 254.76322928035376,
        "bvc": 292.2710817319849,
        "evc": 332.2710817319849,
        "length": 40.0,
        "g1": 0.06423948634448746,
        "g2": 0.06339286184727219,
        "z_bvc": 253.478439553464,
        "K_m_per_percent": 472.4644766548624
      },
      {
        "pvi_ch": 390.3388521649811,
        "pvi_z": 259.71216866613725,
        "bvc": 370.3388521649811,
        "evc": 410.3388521649811,
        "length": 40.0,
        "g1": 0.06339286184727219,
        "g2": 0.057855695412448616,
        "z_bvc": 258.4443114291918,
        "K_m_per_percent": 72.23911448360586
      },
      {
        "pvi_ch": 468.4066225979774,
        "pvi_z": 264.22883381383764,
        "bvc": 448.4066225979774,
        "evc": 488.4066225979774,
        "length": 40.0,
        "g1": 0.057855695412448616,
        "g2": 0.029406531097813406,
        "z_bvc": 263.0717199055887,
        "K_m_per_percent": 14.060166955210931
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 449940.0,
        "northing": 6511559.41,
        "existing_z": 218.0432,
        "design_z": 218.0432,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 449947.0711,
        "northing": 6511566.4811,
        "existing_z": 219.549,
        "design_z": 219.1868,
        "delta_z": -0.3622
      },
      {
        "ch": 20.0,
        "easting": 449954.1421,
        "northing": 6511573.5521,
        "existing_z": 220.7208,
        "design_z": 220.3304,
        "delta_z": -0.3904
      },
      {
        "ch": 30.0,
        "easting": 449961.2132,
        "northing": 6511580.6232,
        "existing_z": 221.7001,
        "design_z": 221.474,
        "delta_z": -0.2261
      },
      {
        "ch": 40.0,
        "easting": 449968.2843,
        "northing": 6511587.6943,
        "existing_z": 222.6831,
        "design_z": 222.6175,
        "delta_z": -0.0656
      },
      {
        "ch": 50.0,
        "easting": 449975.3553,
        "northing": 6511594.7653,
        "existing_z": 223.5482,
        "design_z": 223.7611,
        "delta_z": 0.2129
      },
      {
        "ch": 58.0678,
        "easting": 449981.0601,
        "northing": 6511600.4701,
        "existing_z": 224.256,
        "design_z": 224.6837,
        "delta_z": 0.4277
      },
      {
        "ch": 60.0,
        "easting": 449982.4264,
        "northing": 6511601.8364,
        "existing_z": 224.4328,
        "design_z": 224.9062,
        "delta_z": 0.4734
      },
      {
        "ch": 70.0,
        "easting": 449989.4975,
        "northing": 6511608.9075,
        "existing_z": 225.3925,
        "design_z": 226.1053,
        "delta_z": 0.7128
      },
      {
        "ch": 78.0678,
        "easting": 449995.2022,
        "northing": 6511614.6122,
        "existing_z": 226.3501,
        "design_z": 227.1312,
        "delta_z": 0.7811
      },
      {
        "ch": 80.0,
        "easting": 449996.5685,
        "northing": 6511615.9785,
        "existing_z": 226.579,
        "design_z": 227.3846,
        "delta_z": 0.8056
      },
      {
        "ch": 90.0,
        "easting": 450003.6396,
        "northing": 6511623.0496,
        "existing_z": 227.7606,
        "design_z": 228.7441,
        "delta_z": 0.9834
      },
      {
        "ch": 98.0678,
        "easting": 450009.3444,
        "northing": 6511628.7544,
        "existing_z": 228.7102,
        "design_z": 229.8993,
        "delta_z": 1.1891
      },
      {
        "ch": 100.0,
        "easting": 450010.7107,
        "northing": 6511630.1207,
        "existing_z": 228.9939,
        "design_z": 230.1822,
        "delta_z": 1.1884
      },
      {
        "ch": 110.0,
        "easting": 450017.7817,
        "northing": 6511637.1917,
        "existing_z": 230.5885,
        "design_z": 231.6464,
        "delta_z": 1.0579
      },
      {
        "ch": 120.0,
        "easting": 450024.8528,
        "northing": 6511644.2628,
        "existing_z": 232.1318,
        "design_z": 233.1106,
        "delta_z": 0.9789
      },
      {
        "ch": 130.0,
        "easting": 450031.9239,
        "northing": 6511651.3339,
        "existing_z": 233.7094,
        "design_z": 234.5748,
        "delta_z": 0.8655
      },
      {
        "ch": 136.1355,
        "easting": 450036.2624,
        "northing": 6511655.6724,
        "existing_z": 234.7758,
        "design_z": 235.4732,
        "delta_z": 0.6974
      },
      {
        "ch": 140.0,
        "easting": 450038.9949,
        "northing": 6511658.4049,
        "existing_z": 235.439,
        "design_z": 236.0388,
        "delta_z": 0.5999
      },
      {
        "ch": 150.0,
        "easting": 450046.066,
        "northing": 6511665.476,
        "existing_z": 237.1248,
        "design_z": 237.5007,
        "delta_z": 0.3759
      },
      {
        "ch": 156.1355,
        "easting": 450050.4045,
        "northing": 6511669.8145,
        "existing_z": 238.1455,
        "design_z": 238.3962,
        "delta_z": 0.2507
      },
      {
        "ch": 160.0,
        "easting": 450053.1371,
        "northing": 6511672.5471,
        "existing_z": 238.8237,
        "design_z": 238.9598,
        "delta_z": 0.1361
      },
      {
        "ch": 170.0,
        "easting": 450060.2082,
        "northing": 6511679.6182,
        "existing_z": 240.563,
        "design_z": 240.4162,
        "delta_z": -0.1468
      },
      {
        "ch": 176.1355,
        "easting": 450064.5466,
        "northing": 6511683.9566,
        "existing_z": 241.6201,
        "design_z": 241.3085,
        "delta_z": -0.3117
      },
      {
        "ch": 180.0,
        "easting": 450067.2792,
        "northing": 6511686.6892,
        "existing_z": 242.282,
        "design_z": 241.8702,
        "delta_z": -0.4119
      },
      {
        "ch": 190.0,
        "easting": 450074.3503,
        "northing": 6511693.7603,
        "existing_z": 244.0352,
        "design_z": 243.3236,
        "delta_z": -0.7116
      },
      {
        "ch": 200.0,
        "easting": 450081.4214,
        "northing": 6511700.8314,
        "existing_z": 245.8169,
        "design_z": 244.777,
        "delta_z": -1.0399
      },
      {
        "ch": 209.8724,
        "easting": 450088.4022,
        "northing": 6511707.8122,
        "existing_z": 247.5724,
        "design_z": 246.2119,
        "delta_z": -1.3605
      },
      {
        "ch": 210.0,
        "easting": 450088.4924,
        "northing": 6511707.9024,
        "existing_z": 247.5951,
        "design_z": 246.2304,
        "delta_z": -1.3647
      },
      {
        "ch": 220.0,
        "easting": 450095.5635,
        "northing": 6511714.9735,
        "existing_z": 249.265,
        "design_z": 247.5984,
        "delta_z": -1.6666
      },
      {
        "ch": 230.0,
        "easting": 450102.6346,
        "northing": 6511722.0446,
        "existing_z": 250.8792,
        "design_z": 248.7997,
        "delta_z": -2.0796
      },
      {
        "ch": 234.2033,
        "easting": 450105.6067,
        "northing": 6511725.0167,
        "existing_z": 251.5489,
        "design_z": 249.2549,
        "delta_z": -2.294
      },
      {
        "ch": 240.0,
        "easting": 450109.7056,
        "northing": 6511729.1156,
        "existing_z": 252.4637,
        "design_z": 249.8343,
        "delta_z": -2.6294
      },
      {
        "ch": 250.0,
        "easting": 450116.7767,
        "northing": 6511736.1867,
        "existing_z": 253.1517,
        "design_z": 250.7023,
        "delta_z": -2.4495
      },
      {
        "ch": 258.5342,
        "easting": 450122.8113,
        "northing": 6511742.2213,
        "existing_z": 253.6296,
        "design_z": 251.3112,
        "delta_z": -2.3184
      },
      {
        "ch": 260.0,
        "easting": 450123.8478,
        "northing": 6511743.2578,
        "existing_z": 253.7048,
        "design_z": 251.4054,
        "delta_z": -2.2995
      },
      {
        "ch": 270.0,
        "easting": 450130.9188,
        "northing": 6511750.3288,
        "existing_z": 254.1007,
        "design_z": 252.0478,
        "delta_z": -2.0529
      },
      {
        "ch": 280.0,
        "easting": 450137.9899,
        "northing": 6511757.3999,
        "existing_z": 254.0612,
        "design_z": 252.6902,
        "delta_z": -1.371
      },
      {
        "ch": 290.0,
        "easting": 450145.061,
        "northing": 6511764.471,
        "existing_z": 254.0337,
        "design_z": 253.3325,
        "delta_z": -0.7011
      },
      {
        "ch": 292.2711,
        "easting": 450146.6669,
        "northing": 6511766.0769,
        "existing_z": 254.0291,
        "design_z": 253.4784,
        "delta_z": -0.5506
      },
      {
        "ch": 300.0,
        "easting": 450152.132,
        "northing": 6511771.542,
        "existing_z": 254.0737,
        "design_z": 253.9743,
        "delta_z": -0.0994
      },
      {
        "ch": 310.0,
        "easting": 450159.2031,
        "northing": 6511778.6131,
        "existing_z": 254.285,
        "design_z": 254.614,
        "delta_z": 0.329
      },
      {
        "ch": 312.2711,
        "easting": 450160.809,
        "northing": 6511780.219,
        "existing_z": 254.3365,
        "design_z": 254.759,
        "delta_z": 0.4225
      },
      {
        "ch": 320.0,
        "easting": 450166.2742,
        "northing": 6511785.6842,
        "existing_z": 254.5212,
        "design_z": 255.2516,
        "delta_z": 0.7304
      },
      {
        "ch": 330.0,
        "easting": 450173.3452,
        "northing": 6511792.7552,
        "existing_z": 254.9453,
        "design_z": 255.8871,
        "delta_z": 0.9418
      },
      {
        "ch": 332.2711,
        "easting": 450174.9511,
        "northing": 6511794.3611,
        "existing_z": 255.0853,
        "design_z": 256.0311,
        "delta_z": 0.9458
      },
      {
        "ch": 340.0,
        "easting": 450180.4163,
        "northing": 6511799.8263,
        "existing_z": 255.5638,
        "design_z": 256.521,
        "delta_z": 0.9573
      },
      {
        "ch": 350.0,
        "easting": 450187.4874,
        "northing": 6511806.8974,
        "existing_z": 256.1876,
        "design_z": 257.155,
        "delta_z": 0.9674
      },
      {
        "ch": 360.0,
        "easting": 450194.5584,
        "northing": 6511813.9684,
        "existing_z": 257.0038,
        "design_z": 257.7889,
        "delta_z": 0.7851
      },
      {
        "ch": 370.0,
        "easting": 450201.6295,
        "northing": 6511821.0395,
        "existing_z": 257.9079,
        "design_z": 258.4228,
        "delta_z": 0.515
      },
      {
        "ch": 370.3389,
        "easting": 450201.8691,
        "northing": 6511821.2791,
        "existing_z": 257.9382,
        "design_z": 258.4443,
        "delta_z": 0.5061
      },
      {
        "ch": 380.0,
        "easting": 450208.7006,
        "northing": 6511828.1106,
        "existing_z": 258.7968,
        "design_z": 259.0503,
        "delta_z": 0.2535
      },
      {
        "ch": 390.0,
        "easting": 450215.7716,
        "northing": 6511835.1816,
        "existing_z": 259.7588,
        "design_z": 259.6639,
        "delta_z": -0.0949
      },
      {
        "ch": 390.3389,
        "easting": 450216.0112,
        "northing": 6511835.4212,
        "existing_z": 259.7911,
        "design_z": 259.6845,
        "delta_z": -0.1066
      },
      {
        "ch": 400.0,
        "easting": 450222.8427,
        "northing": 6511842.2527,
        "existing_z": 260.6906,
        "design_z": 260.2637,
        "delta_z": -0.4269
      },
      {
        "ch": 410.0,
        "easting": 450229.9138,
        "northing": 6511849.3238,
        "existing_z": 261.5804,
        "design_z": 260.8497,
        "delta_z": -0.7307
      },
      {
        "ch": 410.3389,
        "easting": 450230.1534,
        "northing": 6511849.5634,
        "existing_z": 261.6115,
        "design_z": 260.8693,
        "delta_z": -0.7422
      },
      {
        "ch": 420.0,
        "easting": 450236.9848,
        "northing": 6511856.3948,
        "existing_z": 262.3315,
        "design_z": 261.4282,
        "delta_z": -0.9033
      },
      {
        "ch": 430.0,
        "easting": 450244.4034,
        "northing": 6511863.0798,
        "existing_z": 263.0083,
        "design_z": 262.0068,
        "delta_z": -1.0015
      },
      {
        "ch": 440.0,
        "easting": 450253.1218,
        "northing": 6511867.9286,
        "existing_z": 263.6109,
        "design_z": 262.5853,
        "delta_z": -1.0256
      },
      {
        "ch": 448.4066,
        "easting": 450261.1714,
        "northing": 6511870.3027,
        "existing_z": 264.0456,
        "design_z": 263.0717,
        "delta_z": -0.9739
      },
      {
        "ch": 450.0,
        "easting": 450262.7425,
        "northing": 6511870.5673,
        "existing_z": 264.1201,
        "design_z": 263.163,
        "delta_z": -0.9571
      },
      {
        "ch": 460.0,
        "easting": 450272.7147,
        "northing": 6511870.8448,
        "existing_z": 264.5346,
        "design_z": 263.6947,
        "delta_z": -0.8399
      },
      {
        "ch": 468.4066,
        "easting": 450280.9514,
        "northing": 6511869.2357,
        "existing_z": 264.7923,
        "design_z": 264.0866,
        "delta_z": -0.7057
      },
      {
        "ch": 470.0,
        "easting": 450282.4673,
        "northing": 6511868.7453,
        "existing_z": 264.8359,
        "design_z": 264.1552,
        "delta_z": -0.6807
      },
      {
        "ch": 480.0,
        "easting": 450291.4419,
        "northing": 6511864.3888,
        "existing_z": 265.081,
        "design_z": 264.5446,
        "delta_z": -0.5364
      },
      {
        "ch": 488.4066,
        "easting": 450298.0061,
        "northing": 6511859.1597,
        "existing_z": 265.2578,
        "design_z": 264.817,
        "delta_z": -0.4408
      },
      {
        "ch": 490.0,
        "easting": 450299.1349,
        "northing": 6511858.0351,
        "existing_z": 265.2878,
        "design_z": 264.8638,
        "delta_z": -0.424
      },
      {
        "ch": 500.0,
        "easting": 450306.2059,
        "northing": 6511850.9641,
        "existing_z": 265.5028,
        "design_z": 265.1579,
        "delta_z": -0.345
      },
      {
        "ch": 510.0,
        "easting": 450313.277,
        "northing": 6511843.893,
        "existing_z": 265.7132,
        "design_z": 265.452,
        "delta_z": -0.2612
      },
      {
        "ch": 520.0,
        "easting": 450320.3481,
        "northing": 6511836.8219,
        "existing_z": 265.9709,
        "design_z": 265.746,
        "delta_z": -0.2249
      },
      {
        "ch": 530.0,
        "easting": 450327.4191,
        "northing": 6511829.7509,
        "existing_z": 266.2734,
        "design_z": 266.0401,
        "delta_z": -0.2334
      },
      {
        "ch": 540.0,
        "easting": 450334.4902,
        "northing": 6511822.6798,
        "existing_z": 266.4308,
        "design_z": 266.3341,
        "delta_z": -0.0966
      },
      {
        "ch": 546.4744,
        "easting": 450339.0683,
        "northing": 6511818.1017,
        "existing_z": 266.5245,
        "design_z": 266.5245,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD361",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 278.735,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 9.01,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451752.7034492144,
          6511672.703449215
        ],
        "end": [
          451886.72440356656,
          6511750.0789545365
        ],
        "chainage_start": 0,
        "length": 154.75330377490081
      },
      {
        "type": "ARC",
        "centre": [
          451865.7227545126,
          6511786.45559644
        ],
        "radius": 42.00392052116257,
        "start_angle_rad": -1.0472061063374678,
        "sweep_rad": 1.570767586238834,
        "start": [
          451886.72440356656,
          6511750.0789545365
        ],
        "end": [
          451902.1,
          6511807.4562
        ],
        "chainage_start": 154.75330377490081,
        "length": 65.97839684959435,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451902.0999999999,
          6511807.4562
        ],
        "end": [
          451873.1,
          6511857.69
        ],
        "chainage_start": 220.73170062449515,
        "length": 58.003746969380984
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 69.68386189846903,
        "pvi_z": 214.56879803790366,
        "bvc": 49.68386189846903,
        "evc": 89.68386189846903,
        "length": 40.0,
        "g1": 0.09005049630563602,
        "g2": 0.07554934892734241,
        "z_bvc": 212.76778811179094,
        "K_m_per_percent": 27.584024185475805
      },
      {
        "pvi_ch": 139.36772379693807,
        "pvi_z": 219.83336843507584,
        "bvc": 119.36772379693807,
        "evc": 159.36772379693807,
        "length": 40.0,
        "g1": 0.07554934892734241,
        "g2": 0.038228168121142825,
        "z_bvc": 218.322381456529,
        "K_m_per_percent": 10.717774501217127
      },
      {
        "pvi_ch": 209.05158569540708,
        "pvi_z": 222.497254823061,
        "bvc": 189.05158569540708,
        "evc": 229.05158569540708,
        "length": 40.0,
        "g1": 0.038228168121142825,
        "g2": -0.017176374060435387,
        "z_bvc": 221.73269146063816,
        "K_m_per_percent": 7.219624677866184
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451752.7034,
        "northing": 6511672.7034,
        "existing_z": 208.2937,
        "design_z": 208.2937,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451761.3637,
        "northing": 6511677.7034,
        "existing_z": 208.4527,
        "design_z": 209.1942,
        "delta_z": 0.7415
      },
      {
        "ch": 20.0,
        "easting": 451770.024,
        "northing": 6511682.7033,
        "existing_z": 208.6027,
        "design_z": 210.0947,
        "delta_z": 1.492
      },
      {
        "ch": 30.0,
        "easting": 451778.6843,
        "northing": 6511687.7032,
        "existing_z": 209.726,
        "design_z": 210.9952,
        "delta_z": 1.2692
      },
      {
        "ch": 40.0,
        "easting": 451787.3446,
        "northing": 6511692.7032,
        "existing_z": 210.8849,
        "design_z": 211.8958,
        "delta_z": 1.0108
      },
      {
        "ch": 49.6839,
        "easting": 451795.7311,
        "northing": 6511697.545,
        "existing_z": 212.1243,
        "design_z": 212.7678,
        "delta_z": 0.6435
      },
      {
        "ch": 50.0,
        "easting": 451796.0049,
        "northing": 6511697.7031,
        "existing_z": 212.1667,
        "design_z": 212.7962,
        "delta_z": 0.6295
      },
      {
        "ch": 60.0,
        "easting": 451804.6652,
        "northing": 6511702.703,
        "existing_z": 213.5067,
        "design_z": 213.6775,
        "delta_z": 0.1708
      },
      {
        "ch": 69.6839,
        "easting": 451813.0517,
        "northing": 6511707.5449,
        "existing_z": 214.7032,
        "design_z": 214.4963,
        "delta_z": -0.2069
      },
      {
        "ch": 70.0,
        "easting": 451813.3255,
        "northing": 6511707.7029,
        "existing_z": 214.7367,
        "design_z": 214.5225,
        "delta_z": -0.2142
      },
      {
        "ch": 80.0,
        "easting": 451821.9858,
        "northing": 6511712.7029,
        "existing_z": 215.7513,
        "design_z": 215.3312,
        "delta_z": -0.4201
      },
      {
        "ch": 89.6839,
        "easting": 451830.3723,
        "northing": 6511717.5447,
        "existing_z": 216.695,
        "design_z": 216.0798,
        "delta_z": -0.6152
      },
      {
        "ch": 90.0,
        "easting": 451830.6461,
        "northing": 6511717.7028,
        "existing_z": 216.7189,
        "design_z": 216.1037,
        "delta_z": -0.6153
      },
      {
        "ch": 100.0,
        "easting": 451839.3064,
        "northing": 6511722.7027,
        "existing_z": 217.484,
        "design_z": 216.8592,
        "delta_z": -0.6249
      },
      {
        "ch": 110.0,
        "easting": 451847.9667,
        "northing": 6511727.7026,
        "existing_z": 218.2636,
        "design_z": 217.6147,
        "delta_z": -0.649
      },
      {
        "ch": 119.3677,
        "easting": 451856.0794,
        "northing": 6511732.3864,
        "existing_z": 218.9088,
        "design_z": 218.3224,
        "delta_z": -0.5864
      },
      {
        "ch": 120.0,
        "easting": 451856.627,
        "northing": 6511732.7026,
        "existing_z": 218.9497,
        "design_z": 218.37,
        "delta_z": -0.5797
      },
      {
        "ch": 130.0,
        "easting": 451865.2873,
        "northing": 6511737.7025,
        "existing_z": 219.6109,
        "design_z": 219.0729,
        "delta_z": -0.538
      },
      {
        "ch": 139.3677,
        "easting": 451873.4,
        "northing": 6511742.3863,
        "existing_z": 220.2654,
        "design_z": 219.6468,
        "delta_z": -0.6187
      },
      {
        "ch": 140.0,
        "easting": 451873.9476,
        "northing": 6511742.7024,
        "existing_z": 220.3116,
        "design_z": 219.6825,
        "delta_z": -0.6291
      },
      {
        "ch": 150.0,
        "easting": 451882.6079,
        "northing": 6511747.7023,
        "existing_z": 221.0593,
        "design_z": 220.1989,
        "delta_z": -0.8604
      },
      {
        "ch": 159.3677,
        "easting": 451890.586,
        "northing": 6511752.6008,
        "existing_z": 221.7536,
        "design_z": 220.5979,
        "delta_z": -1.1557
      },
      {
        "ch": 160.0,
        "easting": 451891.0928,
        "northing": 6511752.9789,
        "existing_z": 221.7999,
        "design_z": 220.6221,
        "delta_z": -1.1777
      },
      {
        "ch": 170.0,
        "easting": 451898.272,
        "northing": 6511759.9061,
        "existing_z": 222.4898,
        "design_z": 221.0044,
        "delta_z": -1.4854
      },
      {
        "ch": 180.0,
        "easting": 451903.6151,
        "northing": 6511768.3311,
        "existing_z": 223.0744,
        "design_z": 221.3867,
        "delta_z": -1.6878
      },
      {
        "ch": 189.0516,
        "easting": 451906.6143,
        "northing": 6511776.8528,
        "existing_z": 223.3901,
        "design_z": 221.7327,
        "delta_z": -1.6574
      },
      {
        "ch": 190.0,
        "easting": 451906.8206,
        "northing": 6511777.7785,
        "existing_z": 223.4118,
        "design_z": 221.7683,
        "delta_z": -1.6434
      },
      {
        "ch": 200.0,
        "easting": 451907.7078,
        "northing": 6511787.7153,
        "existing_z": 223.5258,
        "design_z": 222.0682,
        "delta_z": -1.4576
      },
      {
        "ch": 209.0516,
        "easting": 451906.4673,
        "northing": 6511796.6639,
        "existing_z": 223.387,
        "design_z": 222.2202,
        "delta_z": -1.1667
      },
      {
        "ch": 210.0,
        "easting": 451906.2265,
        "northing": 6511797.5812,
        "existing_z": 223.3605,
        "design_z": 222.2296,
        "delta_z": -1.1309
      },
      {
        "ch": 220.0,
        "easting": 451902.4603,
        "northing": 6511806.8194,
        "existing_z": 222.9759,
        "design_z": 222.2525,
        "delta_z": -0.7234
      },
      {
        "ch": 229.0516,
        "easting": 451897.9403,
        "northing": 6511814.6616,
        "existing_z": 222.5402,
        "design_z": 222.1537,
        "delta_z": -0.3865
      },
      {
        "ch": 230.0,
        "easting": 451897.4661,
        "northing": 6511815.483,
        "existing_z": 222.4957,
        "design_z": 222.1374,
        "delta_z": -0.3583
      },
      {
        "ch": 240.0,
        "easting": 451892.4665,
        "northing": 6511824.1434,
        "existing_z": 222.0417,
        "design_z": 221.9657,
        "delta_z": -0.076
      },
      {
        "ch": 250.0,
        "easting": 451887.4668,
        "northing": 6511832.8038,
        "existing_z": 221.6668,
        "design_z": 221.7939,
        "delta_z": 0.1271
      },
      {
        "ch": 260.0,
        "easting": 451882.4671,
        "northing": 6511841.4643,
        "existing_z": 221.4261,
        "design_z": 221.6221,
        "delta_z": 0.196
      },
      {
        "ch": 270.0,
        "easting": 451877.4674,
        "northing": 6511850.1247,
        "existing_z": 221.2352,
        "design_z": 221.4504,
        "delta_z": 0.2152
      },
      {
        "ch": 278.7354,
        "easting": 451873.1,
        "northing": 6511857.69,
        "existing_z": 221.3003,
        "design_z": 221.3003,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD362",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 99.77,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 1.61,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450114.26,
          6511733.68
        ],
        "end": [
          450050.0,
          6511810.0
        ],
        "chainage_start": 0,
        "length": 99.77018592769429
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 49.88509296384714,
        "pvi_z": 253.31976299657424,
        "bvc": 29.885092963847143,
        "evc": 69.88509296384714,
        "length": 40.0,
        "g1": 0.0077433163926871156,
        "g2": -0.016068112006999494,
        "z_bvc": 253.1648966687205,
        "K_m_per_percent": 16.798656228673142
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450114.26,
        "northing": 6511733.68,
        "existing_z": 252.9335,
        "design_z": 252.9335,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450107.8192,
        "northing": 6511741.3296,
        "existing_z": 253.4684,
        "design_z": 253.0109,
        "delta_z": -0.4575
      },
      {
        "ch": 20.0,
        "easting": 450101.3784,
        "northing": 6511748.9792,
        "existing_z": 253.5467,
        "design_z": 253.0884,
        "delta_z": -0.4583
      },
      {
        "ch": 29.8851,
        "easting": 450095.0116,
        "northing": 6511756.5408,
        "existing_z": 253.6614,
        "design_z": 253.1649,
        "delta_z": -0.4965
      },
      {
        "ch": 30.0,
        "easting": 450094.9376,
        "northing": 6511756.6287,
        "existing_z": 253.663,
        "design_z": 253.1658,
        "delta_z": -0.4972
      },
      {
        "ch": 40.0,
        "easting": 450088.4968,
        "northing": 6511764.2783,
        "existing_z": 253.7531,
        "design_z": 253.2128,
        "delta_z": -0.5404
      },
      {
        "ch": 49.8851,
        "easting": 450082.13,
        "northing": 6511771.84,
        "existing_z": 253.6205,
        "design_z": 253.2007,
        "delta_z": -0.4198
      },
      {
        "ch": 50.0,
        "easting": 450082.056,
        "northing": 6511771.9279,
        "existing_z": 253.6196,
        "design_z": 253.2002,
        "delta_z": -0.4194
      },
      {
        "ch": 60.0,
        "easting": 450075.6152,
        "northing": 6511779.5775,
        "existing_z": 253.5114,
        "design_z": 253.1282,
        "delta_z": -0.3832
      },
      {
        "ch": 69.8851,
        "easting": 450069.2484,
        "northing": 6511787.1392,
        "existing_z": 253.3548,
        "design_z": 252.9984,
        "delta_z": -0.3564
      },
      {
        "ch": 70.0,
        "easting": 450069.1744,
        "northing": 6511787.2271,
        "existing_z": 253.3525,
        "design_z": 252.9966,
        "delta_z": -0.3559
      },
      {
        "ch": 80.0,
        "easting": 450062.7336,
        "northing": 6511794.8766,
        "existing_z": 253.1432,
        "design_z": 252.8359,
        "delta_z": -0.3074
      },
      {
        "ch": 90.0,
        "easting": 450056.2928,
        "northing": 6511802.5262,
        "existing_z": 252.868,
        "design_z": 252.6752,
        "delta_z": -0.1928
      },
      {
        "ch": 99.7702,
        "easting": 450050.0,
        "northing": 6511810.0,
        "existing_z": 252.5182,
        "design_z": 252.5182,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD363",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 281.714,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 10.45,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451419.9979171068,
          6511711.563607571
        ],
        "end": [
          451663.97000000003,
          6511852.42
        ],
        "chainage_start": 0,
        "length": 281.7142178155753
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.42855445389382,
        "pvi_z": 241.00715683359698,
        "bvc": 49.73060319252383,
        "evc": 91.12650571526382,
        "length": 41.395902522739995,
        "g1": 0.01061421467874917,
        "g2": -0.058378956192484156,
        "z_bvc": 240.7874643354985,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 140.85710890778765,
        "pvi_z": 236.89561133843313,
        "bvc": 120.85710890778765,
        "evc": 160.85710890778765,
        "length": 40.0,
        "g1": -0.058378956192484156,
        "g2": -0.09714506713635052,
        "z_bvc": 238.06319046228282,
        "K_m_per_percent": 10.31829064770524
      },
      {
        "pvi_ch": 211.2856633616815,
        "pvi_z": 230.0538246876935,
        "bvc": 191.2856633616815,
        "evc": 231.2856633616815,
        "length": 40.0,
        "g1": -0.09714506713635052,
        "g2": -0.1044932087814258,
        "z_bvc": 231.9967260304205,
        "K_m_per_percent": 54.43553204613024
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451419.9979,
        "northing": 6511711.5636,
        "existing_z": 240.2596,
        "design_z": 240.2596,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451428.6582,
        "northing": 6511716.5636,
        "existing_z": 240.1028,
        "design_z": 240.3658,
        "delta_z": 0.2629
      },
      {
        "ch": 20.0,
        "easting": 451437.3185,
        "northing": 6511721.5636,
        "existing_z": 240.337,
        "design_z": 240.4719,
        "delta_z": 0.1349
      },
      {
        "ch": 30.0,
        "easting": 451445.9787,
        "northing": 6511726.5635,
        "existing_z": 240.7031,
        "design_z": 240.578,
        "delta_z": -0.1251
      },
      {
        "ch": 40.0,
        "easting": 451454.639,
        "northing": 6511731.5635,
        "existing_z": 241.1653,
        "design_z": 240.6842,
        "delta_z": -0.4811
      },
      {
        "ch": 49.7306,
        "easting": 451463.066,
        "northing": 6511736.4288,
        "existing_z": 241.6325,
        "design_z": 240.7875,
        "delta_z": -0.845
      },
      {
        "ch": 50.0,
        "easting": 451463.2993,
        "northing": 6511736.5635,
        "existing_z": 241.6456,
        "design_z": 240.7903,
        "delta_z": -0.8554
      },
      {
        "ch": 60.0,
        "easting": 451471.9595,
        "northing": 6511741.5635,
        "existing_z": 242.0532,
        "design_z": 240.8086,
        "delta_z": -1.2447
      },
      {
        "ch": 70.0,
        "easting": 451480.6198,
        "northing": 6511746.5634,
        "existing_z": 242.1516,
        "design_z": 240.6602,
        "delta_z": -1.4914
      },
      {
        "ch": 70.4286,
        "easting": 451480.9909,
        "northing": 6511746.7777,
        "existing_z": 242.1553,
        "design_z": 240.6502,
        "delta_z": -1.5052
      },
      {
        "ch": 80.0,
        "easting": 451489.2801,
        "northing": 6511751.5634,
        "existing_z": 242.1702,
        "design_z": 240.3452,
        "delta_z": -1.825
      },
      {
        "ch": 90.0,
        "easting": 451497.9403,
        "northing": 6511756.5634,
        "existing_z": 241.5986,
        "design_z": 239.8635,
        "delta_z": -1.7351
      },
      {
        "ch": 91.1265,
        "easting": 451498.9159,
        "northing": 6511757.1266,
        "existing_z": 241.5288,
        "design_z": 239.7988,
        "delta_z": -1.73
      },
      {
        "ch": 100.0,
        "easting": 451506.6006,
        "northing": 6511761.5634,
        "existing_z": 240.9738,
        "design_z": 239.2808,
        "delta_z": -1.6929
      },
      {
        "ch": 110.0,
        "easting": 451515.2609,
        "northing": 6511766.5633,
        "existing_z": 240.2226,
        "design_z": 238.697,
        "delta_z": -1.5255
      },
      {
        "ch": 120.0,
        "easting": 451523.9211,
        "northing": 6511771.5633,
        "existing_z": 239.3495,
        "design_z": 238.1132,
        "delta_z": -1.2363
      },
      {
        "ch": 120.8571,
        "easting": 451524.6634,
        "northing": 6511771.9919,
        "existing_z": 239.2661,
        "design_z": 238.0632,
        "delta_z": -1.2029
      },
      {
        "ch": 130.0,
        "easting": 451532.5814,
        "northing": 6511776.5633,
        "existing_z": 238.3755,
        "design_z": 237.4889,
        "delta_z": -0.8866
      },
      {
        "ch": 140.0,
        "easting": 451541.2417,
        "northing": 6511781.5633,
        "existing_z": 237.4121,
        "design_z": 236.7681,
        "delta_z": -0.644
      },
      {
        "ch": 140.8571,
        "easting": 451541.984,
        "northing": 6511781.9918,
        "existing_z": 237.3315,
        "design_z": 236.7018,
        "delta_z": -0.6297
      },
      {
        "ch": 150.0,
        "easting": 451549.9019,
        "northing": 6511786.5632,
        "existing_z": 236.4911,
        "design_z": 235.9503,
        "delta_z": -0.5408
      },
      {
        "ch": 160.0,
        "easting": 451558.5622,
        "northing": 6511791.5632,
        "existing_z": 235.5101,
        "design_z": 235.0356,
        "delta_z": -0.4745
      },
      {
        "ch": 160.8571,
        "easting": 451559.3045,
        "northing": 6511791.9918,
        "existing_z": 235.4183,
        "design_z": 234.9527,
        "delta_z": -0.4656
      },
      {
        "ch": 170.0,
        "easting": 451567.2225,
        "northing": 6511796.5632,
        "existing_z": 234.4571,
        "design_z": 234.0645,
        "delta_z": -0.3926
      },
      {
        "ch": 180.0,
        "easting": 451575.8828,
        "northing": 6511801.5631,
        "existing_z": 233.4171,
        "design_z": 233.0931,
        "delta_z": -0.3241
      },
      {
        "ch": 190.0,
        "easting": 451584.543,
        "northing": 6511806.5631,
        "existing_z": 232.3934,
        "design_z": 232.1216,
        "delta_z": -0.2718
      },
      {
        "ch": 191.2857,
        "easting": 451585.6564,
        "northing": 6511807.206,
        "existing_z": 232.2638,
        "design_z": 231.9967,
        "delta_z": -0.267
      },
      {
        "ch": 200.0,
        "easting": 451593.2033,
        "northing": 6511811.5631,
        "existing_z": 231.3403,
        "design_z": 231.1432,
        "delta_z": -0.1971
      },
      {
        "ch": 210.0,
        "easting": 451601.8636,
        "northing": 6511816.5631,
        "existing_z": 230.1999,
        "design_z": 230.1466,
        "delta_z": -0.0533
      },
      {
        "ch": 211.2857,
        "easting": 451602.977,
        "northing": 6511817.2059,
        "existing_z": 230.0558,
        "design_z": 230.0171,
        "delta_z": -0.0388
      },
      {
        "ch": 220.0,
        "easting": 451610.5238,
        "northing": 6511821.563,
        "existing_z": 229.0965,
        "design_z": 229.1315,
        "delta_z": 0.0351
      },
      {
        "ch": 230.0,
        "easting": 451619.1841,
        "northing": 6511826.563,
        "existing_z": 228.0449,
        "design_z": 228.0982,
        "delta_z": 0.0532
      },
      {
        "ch": 231.2857,
        "easting": 451620.2975,
        "northing": 6511827.2059,
        "existing_z": 227.9118,
        "design_z": 227.964,
        "delta_z": 0.0522
      },
      {
        "ch": 240.0,
        "easting": 451627.8444,
        "northing": 6511831.563,
        "existing_z": 226.9932,
        "design_z": 227.0534,
        "delta_z": 0.0602
      },
      {
        "ch": 250.0,
        "easting": 451636.5046,
        "northing": 6511836.563,
        "existing_z": 225.9088,
        "design_z": 226.0084,
        "delta_z": 0.0996
      },
      {
        "ch": 260.0,
        "easting": 451645.1649,
        "northing": 6511841.5629,
        "existing_z": 224.8675,
        "design_z": 224.9635,
        "delta_z": 0.096
      },
      {
        "ch": 270.0,
        "easting": 451653.8252,
        "northing": 6511846.5629,
        "existing_z": 223.8573,
        "design_z": 223.9186,
        "delta_z": 0.0612
      },
      {
        "ch": 280.0,
        "easting": 451662.4854,
        "northing": 6511851.5629,
        "existing_z": 222.8646,
        "design_z": 222.8736,
        "delta_z": 0.0091
      },
      {
        "ch": 281.7142,
        "easting": 451663.97,
        "northing": 6511852.42,
        "existing_z": 222.6945,
        "design_z": 222.6945,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD364",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 35.072,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.07,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452282.94,
          6511785.2
        ],
        "end": [
          452307.7399999999,
          6511810.0
        ],
        "chainage_start": 0,
        "length": 35.0724963466305
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 452282.94,
        "northing": 6511785.2,
        "existing_z": 237.4803,
        "design_z": 237.4803,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452290.0111,
        "northing": 6511792.2711,
        "existing_z": 237.6297,
        "design_z": 237.4737,
        "delta_z": -0.156
      },
      {
        "ch": 20.0,
        "easting": 452297.0821,
        "northing": 6511799.3421,
        "existing_z": 237.5502,
        "design_z": 237.467,
        "delta_z": -0.0831
      },
      {
        "ch": 30.0,
        "easting": 452304.1532,
        "northing": 6511806.4132,
        "existing_z": 237.4848,
        "design_z": 237.4604,
        "delta_z": -0.0244
      },
      {
        "ch": 35.0725,
        "easting": 452307.74,
        "northing": 6511810.0,
        "existing_z": 237.457,
        "design_z": 237.457,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD365",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 34.537,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 0.03,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450339.0682768841,
          6511818.101723116
        ],
        "end": [
          450327.38,
          6511805.38
        ],
        "chainage_start": 0,
        "length": 17.275938630342097
      },
      {
        "type": "LINE",
        "start": [
          450327.38,
          6511805.38
        ],
        "end": [
          450339.4862700211,
          6511817.683729979
        ],
        "chainage_start": 17.275938630342097,
        "length": 17.261041255622104
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450339.0683,
        "northing": 6511818.1017,
        "existing_z": 266.5245,
        "design_z": 266.5245,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450332.3026,
        "northing": 6511810.7379,
        "existing_z": 265.9846,
        "design_z": 266.5272,
        "delta_z": 0.5425
      },
      {
        "ch": 20.0,
        "easting": 450329.2906,
        "northing": 6511807.3217,
        "existing_z": 265.656,
        "design_z": 266.5298,
        "delta_z": 0.8738
      },
      {
        "ch": 30.0,
        "easting": 450336.3042,
        "northing": 6511814.4498,
        "existing_z": 266.2894,
        "design_z": 266.5325,
        "delta_z": 0.243
      },
      {
        "ch": 34.537,
        "easting": 450339.4863,
        "northing": 6511817.6837,
        "existing_z": 266.5337,
        "design_z": 266.5337,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD366",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 26.425,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 1.73,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452307.7399999999,
          6511810.0
        ],
        "end": [
          452326.4249996463,
          6511828.684999647
        ],
        "chainage_start": 0,
        "length": 26.424579913061546
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 452307.74,
        "northing": 6511810.0,
        "existing_z": 237.457,
        "design_z": 237.457,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452314.8111,
        "northing": 6511817.0711,
        "existing_z": 237.2882,
        "design_z": 237.2841,
        "delta_z": -0.0041
      },
      {
        "ch": 20.0,
        "easting": 452321.8821,
        "northing": 6511824.1421,
        "existing_z": 237.1119,
        "design_z": 237.1112,
        "delta_z": -0.0007
      },
      {
        "ch": 26.4246,
        "easting": 452326.425,
        "northing": 6511828.685,
        "existing_z": 237.0001,
        "design_z": 237.0001,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD367",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 297.608,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 9.79,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451419.9979171068,
          6511711.563607571
        ],
        "end": [
          451390.99912518484,
          6511761.78951518
        ],
        "chainage_start": 0,
        "length": 57.996307883058414
      },
      {
        "type": "ARC",
        "centre": [
          451427.3691242491,
          6511782.788359905
        ],
        "radius": 41.99676549121134,
        "start_angle_rad": -2.617981175824714,
        "sweep_rad": -1.5708096826626332,
        "start": [
          451390.99912518484,
          6511761.78951518
        ],
        "end": [
          451406.37076527864,
          6511819.158639424
        ],
        "chainage_start": 57.996307883058414,
        "length": 65.96892587410672,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451406.37076527876,
          6511819.158639424
        ],
        "end": [
          451556.75,
          6511905.98
        ],
        "chainage_start": 123.96523375716512,
        "length": 173.6429177587461
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 74.40203787897781,
        "pvi_z": 243.5238740941142,
        "bvc": 53.501106303366285,
        "evc": 95.30296945458933,
        "length": 41.801863151223046,
        "g1": 0.04387327484650985,
        "g2": -0.025796497072195217,
        "z_bvc": 242.6068817785493,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 148.80407575795562,
        "pvi_z": 241.6045621418038,
        "bvc": 128.80407575795562,
        "evc": 168.80407575795562,
        "length": 40.0,
        "g1": -0.025796497072195217,
        "g2": -0.07188321255379179,
        "z_bvc": 242.1204920832477,
        "K_m_per_percent": 8.679290676718516
      },
      {
        "pvi_ch": 223.20611363693342,
        "pvi_z": 236.25630463851397,
        "bvc": 203.20611363693342,
        "evc": 243.20611363693342,
        "length": 40.0,
        "g1": -0.07188321255379179,
        "g2": -0.09794852540406185,
        "z_bvc": 237.6939688895898,
        "K_m_per_percent": 15.34606556605576
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451419.9979,
        "northing": 6511711.5636,
        "existing_z": 240.2596,
        "design_z": 240.2596,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451414.9978,
        "northing": 6511720.2238,
        "existing_z": 241.1238,
        "design_z": 240.6983,
        "delta_z": -0.4255
      },
      {
        "ch": 20.0,
        "easting": 451409.9977,
        "northing": 6511728.884,
        "existing_z": 241.9013,
        "design_z": 241.1371,
        "delta_z": -0.7642
      },
      {
        "ch": 30.0,
        "easting": 451404.9976,
        "northing": 6511737.5442,
        "existing_z": 242.7018,
        "design_z": 241.5758,
        "delta_z": -1.126
      },
      {
        "ch": 40.0,
        "easting": 451399.9975,
        "northing": 6511746.2044,
        "existing_z": 243.3821,
        "design_z": 242.0145,
        "delta_z": -1.3675
      },
      {
        "ch": 50.0,
        "easting": 451394.9974,
        "northing": 6511754.8646,
        "existing_z": 243.9299,
        "design_z": 242.4533,
        "delta_z": -1.4766
      },
      {
        "ch": 53.5011,
        "easting": 451393.2468,
        "northing": 6511757.8966,
        "existing_z": 244.0891,
        "design_z": 242.6069,
        "delta_z": -1.4822
      },
      {
        "ch": 60.0,
        "easting": 451390.039,
        "northing": 6511763.548,
        "existing_z": 244.3478,
        "design_z": 242.8568,
        "delta_z": -1.491
      },
      {
        "ch": 70.0,
        "easting": 451386.5541,
        "northing": 6511772.8959,
        "existing_z": 244.6988,
        "design_z": 243.1039,
        "delta_z": -1.5949
      },
      {
        "ch": 74.402,
        "easting": 451385.7431,
        "northing": 6511777.2205,
        "existing_z": 244.7255,
        "design_z": 243.1598,
        "delta_z": -1.5657
      },
      {
        "ch": 80.0,
        "easting": 451385.3724,
        "northing": 6511782.8021,
        "existing_z": 244.707,
        "design_z": 243.1843,
        "delta_z": -1.5226
      },
      {
        "ch": 90.0,
        "easting": 451386.5605,
        "northing": 6511792.7074,
        "existing_z": 244.4952,
        "design_z": 243.0981,
        "delta_z": -1.3971
      },
      {
        "ch": 95.303,
        "easting": 451388.1346,
        "northing": 6511797.7677,
        "existing_z": 244.2477,
        "design_z": 242.9847,
        "delta_z": -1.2629
      },
      {
        "ch": 100.0,
        "easting": 451390.0516,
        "northing": 6511802.0531,
        "existing_z": 244.0172,
        "design_z": 242.8635,
        "delta_z": -1.1537
      },
      {
        "ch": 110.0,
        "easting": 451395.6485,
        "northing": 6511810.3116,
        "existing_z": 243.6457,
        "design_z": 242.6056,
        "delta_z": -1.0401
      },
      {
        "ch": 120.0,
        "easting": 451403.0354,
        "northing": 6511817.017,
        "existing_z": 243.1327,
        "design_z": 242.3476,
        "delta_z": -0.7851
      },
      {
        "ch": 128.8041,
        "easting": 451410.5613,
        "northing": 6511821.5781,
        "existing_z": 242.7487,
        "design_z": 242.1205,
        "delta_z": -0.6283
      },
      {
        "ch": 130.0,
        "easting": 451411.597,
        "northing": 6511822.176,
        "existing_z": 242.7142,
        "design_z": 242.0888,
        "delta_z": -0.6254
      },
      {
        "ch": 140.0,
        "easting": 451420.2573,
        "northing": 6511827.176,
        "existing_z": 242.4263,
        "design_z": 241.7595,
        "delta_z": -0.6669
      },
      {
        "ch": 148.8041,
        "easting": 451427.8818,
        "northing": 6511831.578,
        "existing_z": 242.127,
        "design_z": 241.3741,
        "delta_z": -0.7529
      },
      {
        "ch": 150.0,
        "easting": 451428.9175,
        "northing": 6511832.176,
        "existing_z": 242.0742,
        "design_z": 241.3149,
        "delta_z": -0.7593
      },
      {
        "ch": 160.0,
        "easting": 451437.5778,
        "northing": 6511837.176,
        "existing_z": 241.6563,
        "design_z": 240.7551,
        "delta_z": -0.9012
      },
      {
        "ch": 168.8041,
        "easting": 451445.2024,
        "northing": 6511841.578,
        "existing_z": 241.2518,
        "design_z": 240.1669,
        "delta_z": -1.0849
      },
      {
        "ch": 170.0,
        "easting": 451446.2381,
        "northing": 6511842.176,
        "existing_z": 241.1937,
        "design_z": 240.0809,
        "delta_z": -1.1128
      },
      {
        "ch": 180.0,
        "easting": 451454.8983,
        "northing": 6511847.176,
        "existing_z": 240.6165,
        "design_z": 239.3621,
        "delta_z": -1.2544
      },
      {
        "ch": 190.0,
        "easting": 451463.5586,
        "northing": 6511852.176,
        "existing_z": 239.9207,
        "design_z": 238.6433,
        "delta_z": -1.2774
      },
      {
        "ch": 200.0,
        "easting": 451472.2188,
        "northing": 6511857.176,
        "existing_z": 239.0732,
        "design_z": 237.9244,
        "delta_z": -1.1487
      },
      {
        "ch": 203.2061,
        "easting": 451474.9954,
        "northing": 6511858.779,
        "existing_z": 238.7353,
        "design_z": 237.694,
        "delta_z": -1.0413
      },
      {
        "ch": 210.0,
        "easting": 451480.8791,
        "northing": 6511862.176,
        "existing_z": 238.0216,
        "design_z": 237.1906,
        "delta_z": -0.831
      },
      {
        "ch": 220.0,
        "easting": 451489.5393,
        "northing": 6511867.176,
        "existing_z": 236.9771,
        "design_z": 236.3949,
        "delta_z": -0.5822
      },
      {
        "ch": 223.2061,
        "easting": 451492.3159,
        "northing": 6511868.779,
        "existing_z": 236.605,
        "design_z": 236.126,
        "delta_z": -0.479
      },
      {
        "ch": 230.0,
        "easting": 451498.1996,
        "northing": 6511872.176,
        "existing_z": 235.8344,
        "design_z": 235.534,
        "delta_z": -0.3004
      },
      {
        "ch": 240.0,
        "easting": 451506.8599,
        "northing": 6511877.176,
        "existing_z": 234.7508,
        "design_z": 234.608,
        "delta_z": -0.1427
      },
      {
        "ch": 243.2061,
        "easting": 451509.6364,
        "northing": 6511878.779,
        "existing_z": 234.4122,
        "design_z": 234.2973,
        "delta_z": -0.1149
      },
      {
        "ch": 250.0,
        "easting": 451515.5201,
        "northing": 6511882.176,
        "existing_z": 233.6793,
        "design_z": 233.6319,
        "delta_z": -0.0474
      },
      {
        "ch": 260.0,
        "easting": 451524.1804,
        "northing": 6511887.1759,
        "existing_z": 232.6286,
        "design_z": 232.6524,
        "delta_z": 0.0238
      },
      {
        "ch": 270.0,
        "easting": 451532.8406,
        "northing": 6511892.1759,
        "existing_z": 231.6268,
        "design_z": 231.6729,
        "delta_z": 0.0462
      },
      {
        "ch": 280.0,
        "easting": 451541.5009,
        "northing": 6511897.1759,
        "existing_z": 230.6599,
        "design_z": 230.6934,
        "delta_z": 0.0335
      },
      {
        "ch": 290.0,
        "easting": 451550.1611,
        "northing": 6511902.1759,
        "existing_z": 229.7161,
        "design_z": 229.7139,
        "delta_z": -0.0021
      },
      {
        "ch": 297.6082,
        "easting": 451556.75,
        "northing": 6511905.98,
        "existing_z": 228.9687,
        "design_z": 228.9687,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD368",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 505.002,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.89,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450177.6799999991,
          6511655.669999999
        ],
        "end": [
          450534.77,
          6512012.76
        ],
        "chainage_start": 0,
        "length": 505.0015209889972
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 72.1430744269996,
        "pvi_z": 247.1849681201455,
        "bvc": 52.143074426999604,
        "evc": 92.1430744269996,
        "length": 40.0,
        "g1": 0.06529930752437729,
        "g2": 0.12893531115615148,
        "z_bvc": 245.87898196965796,
        "K_m_per_percent": 6.285749845552454
      },
      {
        "pvi_ch": 144.2861488539992,
        "pvi_z": 256.4867578691521,
        "bvc": 124.28614885399921,
        "evc": 164.2861488539992,
        "length": 40.0,
        "g1": 0.12893531115615148,
        "g2": 0.11256752518468344,
        "z_bvc": 253.90805164602907,
        "K_m_per_percent": 24.438247219096773
      },
      {
        "pvi_ch": 216.42922328099883,
        "pvi_z": 264.60772521661386,
        "bvc": 195.39569400149475,
        "evc": 237.4627525605029,
        "length": 42.06705855900817,
        "g1": 0.11256752518468344,
        "g2": 0.04245576091966983,
        "z_bvc": 262.2400328797205,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 288.5722977079984,
        "pvi_z": 267.6706143364965,
        "bvc": 268.5722977079984,
        "evc": 308.5722977079984,
        "length": 40.0,
        "g1": 0.04245576091966983,
        "g2": 0.025184131596820297,
        "z_bvc": 266.8214991181031,
        "K_m_per_percent": 23.15936687402267
      },
      {
        "pvi_ch": 360.715372134998,
        "pvi_z": 269.48747501666526,
        "bvc": 340.715372134998,
        "evc": 380.715372134998,
        "length": 40.0,
        "g1": 0.025184131596820297,
        "g2": 0.042641301044995604,
        "z_bvc": 268.9837923847289,
        "K_m_per_percent": 22.91322205398021
      },
      {
        "pvi_ch": 432.85844656199765,
        "pvi_z": 272.5637495716185,
        "bvc": 412.85844656199765,
        "evc": 452.85844656199765,
        "length": 40.0,
        "g1": 0.042641301044995604,
        "g2": 0.06097377901535637,
        "z_bvc": 271.7109235507186,
        "K_m_per_percent": 21.81919981830631
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450177.68,
        "northing": 6511655.67,
        "existing_z": 242.4741,
        "design_z": 242.4741,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450184.7511,
        "northing": 6511662.7411,
        "existing_z": 242.2356,
        "design_z": 243.1271,
        "delta_z": 0.8915
      },
      {
        "ch": 20.0,
        "easting": 450191.8221,
        "northing": 6511669.8121,
        "existing_z": 242.179,
        "design_z": 243.7801,
        "delta_z": 1.6011
      },
      {
        "ch": 30.0,
        "easting": 450198.8932,
        "northing": 6511676.8832,
        "existing_z": 242.5207,
        "design_z": 244.4331,
        "delta_z": 1.9124
      },
      {
        "ch": 40.0,
        "easting": 450205.9643,
        "northing": 6511683.9543,
        "existing_z": 242.9615,
        "design_z": 245.086,
        "delta_z": 2.1246
      },
      {
        "ch": 50.0,
        "easting": 450213.0353,
        "northing": 6511691.0253,
        "existing_z": 243.6559,
        "design_z": 245.739,
        "delta_z": 2.0832
      },
      {
        "ch": 52.1431,
        "easting": 450214.5507,
        "northing": 6511692.5407,
        "existing_z": 243.8583,
        "design_z": 245.879,
        "delta_z": 2.0207
      },
      {
        "ch": 60.0,
        "easting": 450220.1064,
        "northing": 6511698.0964,
        "existing_z": 244.6285,
        "design_z": 246.4411,
        "delta_z": 1.8126
      },
      {
        "ch": 70.0,
        "easting": 450227.1775,
        "northing": 6511705.1675,
        "existing_z": 245.6729,
        "design_z": 247.2987,
        "delta_z": 1.6258
      },
      {
        "ch": 72.1431,
        "easting": 450228.6929,
        "northing": 6511706.6829,
        "existing_z": 245.906,
        "design_z": 247.5031,
        "delta_z": 1.5971
      },
      {
        "ch": 80.0,
        "easting": 450234.2485,
        "northing": 6511712.2385,
        "existing_z": 246.9196,
        "design_z": 248.3153,
        "delta_z": 1.3956
      },
      {
        "ch": 90.0,
        "easting": 450241.3196,
        "northing": 6511719.3096,
        "existing_z": 248.299,
        "design_z": 249.491,
        "delta_z": 1.1921
      },
      {
        "ch": 92.1431,
        "easting": 450242.835,
        "northing": 6511720.825,
        "existing_z": 248.5994,
        "design_z": 249.7637,
        "delta_z": 1.1643
      },
      {
        "ch": 100.0,
        "easting": 450248.3907,
        "northing": 6511726.3807,
        "existing_z": 249.7154,
        "design_z": 250.7767,
        "delta_z": 1.0613
      },
      {
        "ch": 110.0,
        "easting": 450255.4617,
        "northing": 6511733.4517,
        "existing_z": 251.249,
        "design_z": 252.0661,
        "delta_z": 0.817
      },
      {
        "ch": 120.0,
        "easting": 450262.5328,
        "northing": 6511740.5228,
        "existing_z": 252.8447,
        "design_z": 253.3554,
        "delta_z": 0.5107
      },
      {
        "ch": 124.2861,
        "easting": 450265.5636,
        "northing": 6511743.5536,
        "existing_z": 253.5392,
        "design_z": 253.9081,
        "delta_z": 0.3688
      },
      {
        "ch": 130.0,
        "easting": 450269.6039,
        "northing": 6511747.5939,
        "existing_z": 254.475,
        "design_z": 254.6381,
        "delta_z": 0.1631
      },
      {
        "ch": 140.0,
        "easting": 450276.6749,
        "northing": 6511754.6649,
        "existing_z": 256.1186,
        "design_z": 255.8836,
        "delta_z": -0.235
      },
      {
        "ch": 144.2861,
        "easting": 450279.7057,
        "northing": 6511757.6957,
        "existing_z": 256.8092,
        "design_z": 256.4049,
        "delta_z": -0.4043
      },
      {
        "ch": 150.0,
        "easting": 450283.746,
        "northing": 6511761.736,
        "existing_z": 257.7281,
        "design_z": 257.0882,
        "delta_z": -0.6399
      },
      {
        "ch": 160.0,
        "easting": 450290.8171,
        "northing": 6511768.8071,
        "existing_z": 259.3299,
        "design_z": 258.2519,
        "delta_z": -1.078
      },
      {
        "ch": 164.2861,
        "easting": 450293.8478,
        "northing": 6511771.8378,
        "existing_z": 259.9534,
        "design_z": 258.7381,
        "delta_z": -1.2153
      },
      {
        "ch": 170.0,
        "easting": 450297.8882,
        "northing": 6511775.8782,
        "existing_z": 260.7281,
        "design_z": 259.3813,
        "delta_z": -1.3468
      },
      {
        "ch": 180.0,
        "easting": 450304.9592,
        "northing": 6511782.9492,
        "existing_z": 262.0514,
        "design_z": 260.507,
        "delta_z": -1.5444
      },
      {
        "ch": 190.0,
        "easting": 450312.0303,
        "northing": 6511790.0203,
        "existing_z": 263.3163,
        "design_z": 261.6327,
        "delta_z": -1.6836
      },
      {
        "ch": 195.3957,
        "easting": 450315.8456,
        "northing": 6511793.8356,
        "existing_z": 263.8634,
        "design_z": 262.24,
        "delta_z": -1.6233
      },
      {
        "ch": 200.0,
        "easting": 450319.1014,
        "northing": 6511797.0914,
        "existing_z": 264.3166,
        "design_z": 262.7407,
        "delta_z": -1.5759
      },
      {
        "ch": 210.0,
        "easting": 450326.1724,
        "northing": 6511804.1624,
        "existing_z": 265.2577,
        "design_z": 263.7063,
        "delta_z": -1.5514
      },
      {
        "ch": 216.4292,
        "easting": 450330.7186,
        "northing": 6511808.7086,
        "existing_z": 265.8167,
        "design_z": 264.2391,
        "delta_z": -1.5777
      },
      {
        "ch": 220.0,
        "easting": 450333.2435,
        "northing": 6511811.2335,
        "existing_z": 266.0463,
        "design_z": 264.5052,
        "delta_z": -1.5411
      },
      {
        "ch": 230.0,
        "easting": 450340.3146,
        "northing": 6511818.3046,
        "existing_z": 266.5905,
        "design_z": 265.1375,
        "delta_z": -1.453
      },
      {
        "ch": 237.4628,
        "easting": 450345.5915,
        "northing": 6511823.5815,
        "existing_z": 266.9791,
        "design_z": 265.5007,
        "delta_z": -1.4784
      },
      {
        "ch": 240.0,
        "easting": 450347.3856,
        "northing": 6511825.3756,
        "existing_z": 267.1078,
        "design_z": 265.6084,
        "delta_z": -1.4993
      },
      {
        "ch": 250.0,
        "easting": 450354.4567,
        "northing": 6511832.4467,
        "existing_z": 267.4164,
        "design_z": 266.033,
        "delta_z": -1.3834
      },
      {
        "ch": 260.0,
        "easting": 450361.5278,
        "northing": 6511839.5178,
        "existing_z": 267.574,
        "design_z": 266.4576,
        "delta_z": -1.1164
      },
      {
        "ch": 268.5723,
        "easting": 450367.5893,
        "northing": 6511845.5793,
        "existing_z": 267.7253,
        "design_z": 266.8215,
        "delta_z": -0.9038
      },
      {
        "ch": 270.0,
        "easting": 450368.5988,
        "northing": 6511846.5888,
        "existing_z": 267.752,
        "design_z": 266.8817,
        "delta_z": -0.8703
      },
      {
        "ch": 280.0,
        "easting": 450375.6699,
        "northing": 6511853.6599,
        "existing_z": 267.7672,
        "design_z": 267.2785,
        "delta_z": -0.4887
      },
      {
        "ch": 288.5723,
        "easting": 450381.7314,
        "northing": 6511859.7214,
        "existing_z": 267.7766,
        "design_z": 267.5843,
        "delta_z": -0.1923
      },
      {
        "ch": 290.0,
        "easting": 450382.741,
        "northing": 6511860.731,
        "existing_z": 267.7829,
        "design_z": 267.6321,
        "delta_z": -0.1508
      },
      {
        "ch": 300.0,
        "easting": 450389.812,
        "northing": 6511867.802,
        "existing_z": 267.8658,
        "design_z": 267.9425,
        "delta_z": 0.0768
      },
      {
        "ch": 308.5723,
        "easting": 450395.8736,
        "northing": 6511873.8636,
        "existing_z": 267.9259,
        "design_z": 268.1743,
        "delta_z": 0.2484
      },
      {
        "ch": 310.0,
        "easting": 450396.8831,
        "northing": 6511874.8731,
        "existing_z": 267.9419,
        "design_z": 268.2103,
        "delta_z": 0.2684
      },
      {
        "ch": 320.0,
        "easting": 450403.9542,
        "northing": 6511881.9442,
        "existing_z": 268.1005,
        "design_z": 268.4621,
        "delta_z": 0.3616
      },
      {
        "ch": 330.0,
        "easting": 450411.0252,
        "northing": 6511889.0152,
        "existing_z": 268.3345,
        "design_z": 268.7139,
        "delta_z": 0.3795
      },
      {
        "ch": 340.0,
        "easting": 450418.0963,
        "northing": 6511896.0863,
        "existing_z": 268.5983,
        "design_z": 268.9658,
        "delta_z": 0.3675
      },
      {
        "ch": 340.7154,
        "easting": 450418.6022,
        "northing": 6511896.5922,
        "existing_z": 268.618,
        "design_z": 268.9838,
        "delta_z": 0.3658
      },
      {
        "ch": 350.0,
        "easting": 450425.1674,
        "northing": 6511903.1574,
        "existing_z": 268.8818,
        "design_z": 269.2364,
        "delta_z": 0.3546
      },
      {
        "ch": 360.0,
        "easting": 450432.2384,
        "northing": 6511910.2284,
        "existing_z": 269.174,
        "design_z": 269.5506,
        "delta_z": 0.3766
      },
      {
        "ch": 360.7154,
        "easting": 450432.7443,
        "northing": 6511910.7343,
        "existing_z": 269.196,
        "design_z": 269.5748,
        "delta_z": 0.3787
      },
      {
        "ch": 370.0,
        "easting": 450439.3095,
        "northing": 6511917.2995,
        "existing_z": 269.4904,
        "design_z": 269.9084,
        "delta_z": 0.4181
      },
      {
        "ch": 380.0,
        "easting": 450446.3806,
        "northing": 6511924.3706,
        "existing_z": 269.8258,
        "design_z": 270.3099,
        "delta_z": 0.4841
      },
      {
        "ch": 380.7154,
        "easting": 450446.8864,
        "northing": 6511924.8764,
        "existing_z": 269.8505,
        "design_z": 270.3403,
        "delta_z": 0.4898
      },
      {
        "ch": 390.0,
        "easting": 450453.4516,
        "northing": 6511931.4416,
        "existing_z": 270.1974,
        "design_z": 270.7362,
        "delta_z": 0.5388
      },
      {
        "ch": 400.0,
        "easting": 450460.5227,
        "northing": 6511938.5127,
        "existing_z": 270.6362,
        "design_z": 271.1626,
        "delta_z": 0.5264
      },
      {
        "ch": 410.0,
        "easting": 450467.5938,
        "northing": 6511945.5838,
        "existing_z": 271.0882,
        "design_z": 271.589,
        "delta_z": 0.5009
      },
      {
        "ch": 412.8584,
        "easting": 450469.615,
        "northing": 6511947.605,
        "existing_z": 271.2198,
        "design_z": 271.7109,
        "delta_z": 0.4911
      },
      {
        "ch": 420.0,
        "easting": 450474.6648,
        "northing": 6511952.6548,
        "existing_z": 271.5925,
        "design_z": 272.0271,
        "delta_z": 0.4347
      },
      {
        "ch": 430.0,
        "easting": 450481.7359,
        "northing": 6511959.7259,
        "existing_z": 272.146,
        "design_z": 272.5092,
        "delta_z": 0.3632
      },
      {
        "ch": 432.8584,
        "easting": 450483.7571,
        "northing": 6511961.7471,
        "existing_z": 272.3081,
        "design_z": 272.6554,
        "delta_z": 0.3473
      },
      {
        "ch": 440.0,
        "easting": 450488.807,
        "northing": 6511966.797,
        "existing_z": 272.7207,
        "design_z": 273.0371,
        "delta_z": 0.3164
      },
      {
        "ch": 450.0,
        "easting": 450495.8781,
        "northing": 6511973.8681,
        "existing_z": 273.3698,
        "design_z": 273.6108,
        "delta_z": 0.241
      },
      {
        "ch": 452.8584,
        "easting": 450497.8993,
        "northing": 6511975.8893,
        "existing_z": 273.5605,
        "design_z": 273.7832,
        "delta_z": 0.2228
      },
      {
        "ch": 460.0,
        "easting": 450502.9491,
        "northing": 6511980.9391,
        "existing_z": 274.0394,
        "design_z": 274.2187,
        "delta_z": 0.1793
      },
      {
        "ch": 470.0,
        "easting": 450510.0202,
        "northing": 6511988.0102,
        "existing_z": 274.7168,
        "design_z": 274.8284,
        "delta_z": 0.1116
      },
      {
        "ch": 480.0,
        "easting": 450517.0913,
        "northing": 6511995.0813,
        "existing_z": 275.3998,
        "design_z": 275.4381,
        "delta_z": 0.0384
      },
      {
        "ch": 490.0,
        "easting": 450524.1623,
        "northing": 6512002.1523,
        "existing_z": 276.0471,
        "design_z": 276.0479,
        "delta_z": 0.0008
      },
      {
        "ch": 500.0,
        "easting": 450531.2334,
        "northing": 6512009.2234,
        "existing_z": 276.6833,
        "design_z": 276.6576,
        "delta_z": -0.0256
      },
      {
        "ch": 505.0015,
        "easting": 450534.77,
        "northing": 6512012.76,
        "existing_z": 276.9626,
        "design_z": 276.9626,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD369",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 82.634,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.86,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452307.7399999999,
          6511810.0
        ],
        "end": [
          452309.05079999997,
          6511810.0
        ],
        "chainage_start": 0,
        "length": 1.3108000000938773
      },
      {
        "type": "ARC",
        "centre": [
          452309.05079999997,
          6511812.228990697
        ],
        "radius": 2.2289906977023537,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.8051688535438722,
        "start": [
          452309.05079999997,
          6511810.0
        ],
        "end": [
          452310.65778564324,
          6511810.684323526
        ],
        "chainage_start": 1.3108000000938773,
        "length": 1.79471388462896,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452310.65778564324,
          6511810.684323525
        ],
        "end": [
          452365.77,
          6511868.02
        ],
        "chainage_start": 3.1055138847228374,
        "length": 79.52820863124934
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 41.31686125798609,
        "pvi_z": 236.40217777236973,
        "bvc": 22.72427369189235,
        "evc": 59.90944882407983,
        "length": 37.18517513218748,
        "g1": -0.02553082314369616,
        "g2": -0.04860512237426731,
        "z_bvc": 236.87686183730335,
        "K_m_per_percent": 16.115408212666683
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452307.74,
        "northing": 6511810.0,
        "existing_z": 237.457,
        "design_z": 237.457,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452315.4356,
        "northing": 6511815.6549,
        "existing_z": 237.3426,
        "design_z": 237.2017,
        "delta_z": -0.1409
      },
      {
        "ch": 20.0,
        "easting": 452322.3655,
        "northing": 6511822.8644,
        "existing_z": 237.1601,
        "design_z": 236.9464,
        "delta_z": -0.2137
      },
      {
        "ch": 22.7243,
        "easting": 452324.2534,
        "northing": 6511824.8284,
        "existing_z": 237.1109,
        "design_z": 236.8769,
        "delta_z": -0.234
      },
      {
        "ch": 30.0,
        "easting": 452329.2954,
        "northing": 6511830.0738,
        "existing_z": 236.9796,
        "design_z": 236.6747,
        "delta_z": -0.3049
      },
      {
        "ch": 40.0,
        "easting": 452336.2253,
        "northing": 6511837.2833,
        "existing_z": 236.6846,
        "design_z": 236.3432,
        "delta_z": -0.3414
      },
      {
        "ch": 41.3169,
        "easting": 452337.1378,
        "northing": 6511838.2327,
        "existing_z": 236.6436,
        "design_z": 236.2949,
        "delta_z": -0.3487
      },
      {
        "ch": 50.0,
        "easting": 452343.1552,
        "northing": 6511844.4928,
        "existing_z": 236.3635,
        "design_z": 235.9497,
        "delta_z": -0.4138
      },
      {
        "ch": 59.9094,
        "easting": 452350.0223,
        "northing": 6511851.637,
        "existing_z": 235.9823,
        "design_z": 235.4985,
        "delta_z": -0.4838
      },
      {
        "ch": 60.0,
        "easting": 452350.0851,
        "northing": 6511851.7023,
        "existing_z": 235.9765,
        "design_z": 235.4941,
        "delta_z": -0.4825
      },
      {
        "ch": 70.0,
        "easting": 452357.015,
        "northing": 6511858.9117,
        "existing_z": 235.3129,
        "design_z": 235.008,
        "delta_z": -0.3048
      },
      {
        "ch": 80.0,
        "easting": 452363.9449,
        "northing": 6511866.1212,
        "existing_z": 234.5929,
        "design_z": 234.522,
        "delta_z": -0.071
      },
      {
        "ch": 82.6337,
        "easting": 452365.77,
        "northing": 6511868.02,
        "existing_z": 234.394,
        "design_z": 234.394,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD370",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 79.649,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 1.17,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451293.67867929814,
          6511870.0
        ],
        "end": [
          451350.0,
          6511813.68
        ],
        "chainage_start": 0,
        "length": 79.64944171577665
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451293.6787,
        "northing": 6511870.0,
        "existing_z": 244.7425,
        "design_z": 244.7425,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451300.7498,
        "northing": 6511862.929,
        "existing_z": 244.9005,
        "design_z": 244.8596,
        "delta_z": -0.0409
      },
      {
        "ch": 20.0,
        "easting": 451307.821,
        "northing": 6511855.858,
        "existing_z": 245.0831,
        "design_z": 244.9767,
        "delta_z": -0.1064
      },
      {
        "ch": 30.0,
        "easting": 451314.8921,
        "northing": 6511848.787,
        "existing_z": 245.2683,
        "design_z": 245.0937,
        "delta_z": -0.1745
      },
      {
        "ch": 40.0,
        "easting": 451321.9633,
        "northing": 6511841.7161,
        "existing_z": 245.4211,
        "design_z": 245.2108,
        "delta_z": -0.2102
      },
      {
        "ch": 50.0,
        "easting": 451329.0344,
        "northing": 6511834.6451,
        "existing_z": 245.5561,
        "design_z": 245.3279,
        "delta_z": -0.2282
      },
      {
        "ch": 60.0,
        "easting": 451336.1056,
        "northing": 6511827.5741,
        "existing_z": 245.6783,
        "design_z": 245.445,
        "delta_z": -0.2333
      },
      {
        "ch": 70.0,
        "easting": 451343.1767,
        "northing": 6511820.5031,
        "existing_z": 245.7035,
        "design_z": 245.5621,
        "delta_z": -0.1414
      },
      {
        "ch": 79.6494,
        "easting": 451350.0,
        "northing": 6511813.68,
        "existing_z": 245.675,
        "design_z": 245.675,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD371",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 176.163,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.79,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451770.0,
          6511798.166338155
        ],
        "end": [
          451922.56,
          6511886.25
        ],
        "chainage_start": 0,
        "length": 176.16266654434892
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 58.72088884811631,
        "pvi_z": 216.51262238508548,
        "bvc": 38.72088884811631,
        "evc": 78.72088884811632,
        "length": 40.0,
        "g1": 0.0723150206955401,
        "g2": 0.07791732274614178,
        "z_bvc": 215.0663219711747,
        "K_m_per_percent": 71.39922060379456
      },
      {
        "pvi_ch": 117.44177769623262,
        "pvi_z": 221.08799683340447,
        "bvc": 97.44177769623262,
        "evc": 137.44177769623263,
        "length": 40.0,
        "g1": 0.07791732274614178,
        "g2": 0.07538513480481236,
        "z_bvc": 219.52965037848165,
        "K_m_per_percent": 157.9661578318694
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451770.0,
        "northing": 6511798.1663,
        "existing_z": 212.2662,
        "design_z": 212.2662,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451778.6602,
        "northing": 6511803.1665,
        "existing_z": 212.5645,
        "design_z": 212.9894,
        "delta_z": 0.4249
      },
      {
        "ch": 20.0,
        "easting": 451787.3204,
        "northing": 6511808.1666,
        "existing_z": 212.8804,
        "design_z": 213.7125,
        "delta_z": 0.8321
      },
      {
        "ch": 30.0,
        "easting": 451795.9805,
        "northing": 6511813.1667,
        "existing_z": 213.677,
        "design_z": 214.4357,
        "delta_z": 0.7587
      },
      {
        "ch": 38.7209,
        "easting": 451803.533,
        "northing": 6511817.5273,
        "existing_z": 214.5343,
        "design_z": 215.0663,
        "delta_z": 0.532
      },
      {
        "ch": 40.0,
        "easting": 451804.6407,
        "northing": 6511818.1669,
        "existing_z": 214.6572,
        "design_z": 215.1589,
        "delta_z": 0.5017
      },
      {
        "ch": 50.0,
        "easting": 451813.3009,
        "northing": 6511823.167,
        "existing_z": 215.6028,
        "design_z": 215.8909,
        "delta_z": 0.288
      },
      {
        "ch": 58.7209,
        "easting": 451820.8533,
        "northing": 6511827.5276,
        "existing_z": 216.3912,
        "design_z": 216.5406,
        "delta_z": 0.1495
      },
      {
        "ch": 60.0,
        "easting": 451821.9611,
        "northing": 6511828.1671,
        "existing_z": 216.5024,
        "design_z": 216.6368,
        "delta_z": 0.1345
      },
      {
        "ch": 70.0,
        "easting": 451830.6212,
        "northing": 6511833.1673,
        "existing_z": 217.3999,
        "design_z": 217.3968,
        "delta_z": -0.0032
      },
      {
        "ch": 78.7209,
        "easting": 451838.1737,
        "northing": 6511837.5278,
        "existing_z": 218.1326,
        "design_z": 218.071,
        "delta_z": -0.0617
      },
      {
        "ch": 80.0,
        "easting": 451839.2814,
        "northing": 6511838.1674,
        "existing_z": 218.2368,
        "design_z": 218.1706,
        "delta_z": -0.0662
      },
      {
        "ch": 90.0,
        "easting": 451847.9416,
        "northing": 6511843.1675,
        "existing_z": 219.0224,
        "design_z": 218.9498,
        "delta_z": -0.0726
      },
      {
        "ch": 97.4418,
        "easting": 451854.3863,
        "northing": 6511846.8885,
        "existing_z": 219.5837,
        "design_z": 219.5297,
        "delta_z": -0.054
      },
      {
        "ch": 100.0,
        "easting": 451856.6018,
        "northing": 6511848.1677,
        "existing_z": 219.7728,
        "design_z": 219.7288,
        "delta_z": -0.044
      },
      {
        "ch": 110.0,
        "easting": 451865.262,
        "northing": 6511853.1678,
        "existing_z": 220.57,
        "design_z": 220.5032,
        "delta_z": -0.0668
      },
      {
        "ch": 117.4418,
        "easting": 451871.7067,
        "northing": 6511856.8888,
        "existing_z": 221.1723,
        "design_z": 221.0753,
        "delta_z": -0.097
      },
      {
        "ch": 120.0,
        "easting": 451873.9221,
        "northing": 6511858.1679,
        "existing_z": 221.3755,
        "design_z": 221.2712,
        "delta_z": -0.1043
      },
      {
        "ch": 130.0,
        "easting": 451882.5823,
        "northing": 6511863.1681,
        "existing_z": 222.1412,
        "design_z": 222.0329,
        "delta_z": -0.1082
      },
      {
        "ch": 137.4418,
        "easting": 451889.027,
        "northing": 6511866.889,
        "existing_z": 222.6814,
        "design_z": 222.5957,
        "delta_z": -0.0857
      },
      {
        "ch": 140.0,
        "easting": 451891.2425,
        "northing": 6511868.1682,
        "existing_z": 222.8604,
        "design_z": 222.7886,
        "delta_z": -0.0718
      },
      {
        "ch": 150.0,
        "easting": 451899.9027,
        "northing": 6511873.1683,
        "existing_z": 223.6241,
        "design_z": 223.5424,
        "delta_z": -0.0817
      },
      {
        "ch": 160.0,
        "easting": 451908.5628,
        "northing": 6511878.1685,
        "existing_z": 224.3884,
        "design_z": 224.2963,
        "delta_z": -0.0921
      },
      {
        "ch": 170.0,
        "easting": 451917.223,
        "northing": 6511883.1686,
        "existing_z": 225.1083,
        "design_z": 225.0501,
        "delta_z": -0.0582
      },
      {
        "ch": 176.1627,
        "easting": 451922.56,
        "northing": 6511886.25,
        "existing_z": 225.5147,
        "design_z": 225.5147,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD372",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 140.776,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 8.67,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451663.97000000003,
          6511852.42
        ],
        "end": [
          451690.66740000003,
          6511862.6164
        ],
        "chainage_start": 0,
        "length": 28.578273910714184
      },
      {
        "type": "ARC",
        "centre": [
          451702.0582232729,
          6511832.7916221125
        ],
        "radius": 31.92598049908299,
        "start_angle_rad": 1.9356242178638097,
        "sweep_rad": -1.1502260544722758,
        "start": [
          451690.66740000003,
          6511862.6164
        ],
        "end": [
          451724.63330057985,
          6511855.36669942
        ],
        "chainage_start": 28.578273910714184,
        "length": 36.72209458461904,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451724.63330057997,
          6511855.366699419
        ],
        "end": [
          451766.4855817345,
          6511813.514418266
        ],
        "chainage_start": 65.30036849533323,
        "length": 59.18806362405689
      },
      {
        "type": "ARC",
        "centre": [
          451758.00102549413,
          6511805.029862026
        ],
        "radius": 11.998974505822378,
        "start_angle_rad": 0.7853981633768671,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451766.4855817345,
          6511813.514418266
        ],
        "end": [
          451770.0,
          6511805.029862025
        ],
        "chainage_start": 124.48843211939013,
        "length": 9.423972539525701,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451769.99999999994,
          6511805.029862026
        ],
        "end": [
          451770.0,
          6511798.166338155
        ],
        "chainage_start": 133.91240465891582,
        "length": 6.863523870706558
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.38796426481119,
        "pvi_z": 216.59505393444215,
        "bvc": 50.38796426481119,
        "evc": 90.38796426481119,
        "length": 40.0,
        "g1": -0.08665494409782051,
        "g2": -0.061499631178178714,
        "z_bvc": 218.32815281639856,
        "K_m_per_percent": 15.901213444563098
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451663.97,
        "northing": 6511852.42,
        "existing_z": 222.6945,
        "design_z": 222.6945,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451673.3119,
        "northing": 6511855.9879,
        "existing_z": 221.6754,
        "design_z": 221.828,
        "delta_z": 0.1526
      },
      {
        "ch": 20.0,
        "easting": 451682.6537,
        "northing": 6511859.5558,
        "existing_z": 220.6748,
        "design_z": 220.9614,
        "delta_z": 0.2866
      },
      {
        "ch": 30.0,
        "easting": 451692.0064,
        "northing": 6511863.0939,
        "existing_z": 219.7217,
        "design_z": 220.0949,
        "delta_z": 0.3732
      },
      {
        "ch": 40.0,
        "easting": 451701.8325,
        "northing": 6511864.7168,
        "existing_z": 218.7699,
        "design_z": 219.2283,
        "delta_z": 0.4584
      },
      {
        "ch": 50.0,
        "easting": 451711.6805,
        "northing": 6511863.233,
        "existing_z": 217.8232,
        "design_z": 218.3618,
        "delta_z": 0.5386
      },
      {
        "ch": 50.388,
        "easting": 451712.0497,
        "northing": 6511863.1139,
        "existing_z": 217.7903,
        "design_z": 218.3282,
        "delta_z": 0.5378
      },
      {
        "ch": 60.0,
        "easting": 451720.5922,
        "northing": 6511858.787,
        "existing_z": 216.9853,
        "design_z": 217.5243,
        "delta_z": 0.539
      },
      {
        "ch": 70.0,
        "easting": 451727.9564,
        "northing": 6511852.0436,
        "existing_z": 216.1787,
        "design_z": 216.7496,
        "delta_z": 0.5709
      },
      {
        "ch": 70.388,
        "easting": 451728.2308,
        "northing": 6511851.7692,
        "existing_z": 216.1467,
        "design_z": 216.7208,
        "delta_z": 0.5741
      },
      {
        "ch": 80.0,
        "easting": 451735.0275,
        "northing": 6511844.9725,
        "existing_z": 215.4712,
        "design_z": 216.0378,
        "delta_z": 0.5667
      },
      {
        "ch": 90.0,
        "easting": 451742.0986,
        "northing": 6511837.9014,
        "existing_z": 214.7562,
        "design_z": 215.389,
        "delta_z": 0.6328
      },
      {
        "ch": 90.388,
        "easting": 451742.3729,
        "northing": 6511837.6271,
        "existing_z": 214.7271,
        "design_z": 215.3651,
        "delta_z": 0.638
      },
      {
        "ch": 100.0,
        "easting": 451749.1696,
        "northing": 6511830.8304,
        "existing_z": 213.9724,
        "design_z": 214.7739,
        "delta_z": 0.8016
      },
      {
        "ch": 110.0,
        "easting": 451756.2407,
        "northing": 6511823.7593,
        "existing_z": 213.5009,
        "design_z": 214.1589,
        "delta_z": 0.658
      },
      {
        "ch": 120.0,
        "easting": 451763.3118,
        "northing": 6511816.6882,
        "existing_z": 213.0099,
        "design_z": 213.5439,
        "delta_z": 0.534
      },
      {
        "ch": 130.0,
        "easting": 451769.3678,
        "northing": 6511808.8733,
        "existing_z": 212.4911,
        "design_z": 212.9289,
        "delta_z": 0.4378
      },
      {
        "ch": 140.0,
        "easting": 451770.0,
        "northing": 6511798.9423,
        "existing_z": 212.2803,
        "design_z": 212.3139,
        "delta_z": 0.0337
      },
      {
        "ch": 140.7759,
        "easting": 451770.0,
        "northing": 6511798.1663,
        "existing_z": 212.2662,
        "design_z": 212.2662,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD373",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 105.902,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 7.15,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451211.12881870737,
          6511811.128818708
        ],
        "end": [
          451262.96779102547,
          6511862.9677910255
        ],
        "chainage_start": 0,
        "length": 73.31137771166183
      },
      {
        "type": "ARC",
        "centre": [
          451279.94504530524,
          6511845.990536746
        ],
        "radius": 24.00946325432835,
        "start_angle_rad": 2.3561944901889165,
        "sweep_rad": -0.7853981633959651,
        "start": [
          451262.96779102547,
          6511862.9677910255
        ],
        "end": [
          451279.94504530524,
          6511870.0
        ],
        "chainage_start": 73.31137771166183,
        "length": 18.8569883440724,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451279.9450453053,
          6511870.0
        ],
        "end": [
          451293.67867929814,
          6511870.0
        ],
        "chainage_start": 92.16836605573423,
        "length": 13.733633992844261
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 52.95100002428924,
        "pvi_z": 248.5273044297494,
        "bvc": 32.95100002428924,
        "evc": 72.95100002428924,
        "length": 40.0,
        "g1": -0.05917692638788327,
        "g2": -0.07147733741464656,
        "z_bvc": 249.71084295750705,
        "K_m_per_percent": 32.519238514036516
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451211.1288,
        "northing": 6511811.1288,
        "existing_z": 251.6608,
        "design_z": 251.6608,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451218.1999,
        "northing": 6511818.1999,
        "existing_z": 251.2146,
        "design_z": 251.069,
        "delta_z": -0.1456
      },
      {
        "ch": 20.0,
        "easting": 451225.271,
        "northing": 6511825.271,
        "existing_z": 250.6976,
        "design_z": 250.4772,
        "delta_z": -0.2204
      },
      {
        "ch": 30.0,
        "easting": 451232.342,
        "northing": 6511832.342,
        "existing_z": 250.1376,
        "design_z": 249.8855,
        "delta_z": -0.2521
      },
      {
        "ch": 32.951,
        "easting": 451234.4287,
        "northing": 6511834.4287,
        "existing_z": 249.9747,
        "design_z": 249.7108,
        "delta_z": -0.2638
      },
      {
        "ch": 40.0,
        "easting": 451239.4131,
        "northing": 6511839.4131,
        "existing_z": 249.5582,
        "design_z": 249.2861,
        "delta_z": -0.2721
      },
      {
        "ch": 50.0,
        "easting": 451246.4842,
        "northing": 6511846.4842,
        "existing_z": 248.901,
        "design_z": 248.6572,
        "delta_z": -0.2438
      },
      {
        "ch": 52.951,
        "easting": 451248.5708,
        "northing": 6511848.5708,
        "existing_z": 248.6922,
        "design_z": 248.4658,
        "delta_z": -0.2264
      },
      {
        "ch": 60.0,
        "easting": 451253.5552,
        "northing": 6511853.5552,
        "existing_z": 248.167,
        "design_z": 247.9977,
        "delta_z": -0.1694
      },
      {
        "ch": 70.0,
        "easting": 451260.6263,
        "northing": 6511860.6263,
        "existing_z": 247.3724,
        "design_z": 247.3073,
        "delta_z": -0.065
      },
      {
        "ch": 72.951,
        "easting": 451262.713,
        "northing": 6511862.713,
        "existing_z": 247.1271,
        "design_z": 247.0978,
        "delta_z": -0.0293
      },
      {
        "ch": 80.0,
        "easting": 451268.291,
        "northing": 6511866.9819,
        "existing_z": 246.5519,
        "design_z": 246.5939,
        "delta_z": 0.042
      },
      {
        "ch": 90.0,
        "easting": 451277.7796,
        "northing": 6511869.9022,
        "existing_z": 245.7632,
        "design_z": 245.8791,
        "delta_z": 0.1159
      },
      {
        "ch": 100.0,
        "easting": 451287.7767,
        "northing": 6511870.0,
        "existing_z": 245.1417,
        "design_z": 245.1644,
        "delta_z": 0.0227
      },
      {
        "ch": 105.902,
        "easting": 451293.6787,
        "northing": 6511870.0,
        "existing_z": 244.7425,
        "design_z": 244.7425,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD374",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 99.999,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 1.36,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450570.0,
          6511886.57
        ],
        "end": [
          450640.70999999996,
          6511815.86
        ],
        "chainage_start": 0,
        "length": 99.99904099534886
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 49.99952049767443,
        "pvi_z": 271.8634458398447,
        "bvc": 29.999520497674432,
        "evc": 69.99952049767444,
        "length": 40.0,
        "g1": 0.013619145061378601,
        "g2": -0.0003988034339374986,
        "z_bvc": 271.59106293861714,
        "K_m_per_percent": 28.534845889443407
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450570.0,
        "northing": 6511886.57,
        "existing_z": 271.1825,
        "design_z": 271.1825,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450577.0711,
        "northing": 6511879.4989,
        "existing_z": 271.2668,
        "design_z": 271.3187,
        "delta_z": 0.0519
      },
      {
        "ch": 20.0,
        "easting": 450584.1421,
        "northing": 6511872.4279,
        "existing_z": 271.3506,
        "design_z": 271.4549,
        "delta_z": 0.1043
      },
      {
        "ch": 29.9995,
        "easting": 450591.2129,
        "northing": 6511865.3571,
        "existing_z": 271.5123,
        "design_z": 271.5911,
        "delta_z": 0.0788
      },
      {
        "ch": 30.0,
        "easting": 450591.2132,
        "northing": 6511865.3568,
        "existing_z": 271.5123,
        "design_z": 271.5911,
        "delta_z": 0.0787
      },
      {
        "ch": 40.0,
        "easting": 450598.2843,
        "northing": 6511858.2857,
        "existing_z": 271.786,
        "design_z": 271.7097,
        "delta_z": -0.0762
      },
      {
        "ch": 49.9995,
        "easting": 450605.355,
        "northing": 6511851.215,
        "existing_z": 272.0409,
        "design_z": 271.7934,
        "delta_z": -0.2476
      },
      {
        "ch": 50.0,
        "easting": 450605.3553,
        "northing": 6511851.2147,
        "existing_z": 272.0409,
        "design_z": 271.7934,
        "delta_z": -0.2476
      },
      {
        "ch": 60.0,
        "easting": 450612.4264,
        "northing": 6511844.1436,
        "existing_z": 272.2704,
        "design_z": 271.8419,
        "delta_z": -0.4284
      },
      {
        "ch": 69.9995,
        "easting": 450619.4971,
        "northing": 6511837.0729,
        "existing_z": 272.3701,
        "design_z": 271.8555,
        "delta_z": -0.5146
      },
      {
        "ch": 70.0,
        "easting": 450619.4975,
        "northing": 6511837.0725,
        "existing_z": 272.3701,
        "design_z": 271.8555,
        "delta_z": -0.5146
      },
      {
        "ch": 80.0,
        "easting": 450626.5685,
        "northing": 6511830.0015,
        "existing_z": 272.3719,
        "design_z": 271.8515,
        "delta_z": -0.5204
      },
      {
        "ch": 90.0,
        "easting": 450633.6396,
        "northing": 6511822.9304,
        "existing_z": 272.2157,
        "design_z": 271.8475,
        "delta_z": -0.3682
      },
      {
        "ch": 99.999,
        "easting": 450640.71,
        "northing": 6511815.86,
        "existing_z": 271.8435,
        "design_z": 271.8435,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD375",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 369.028,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 10.86,
    "radius_review_count": 10,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450050.0,
          6511810.0
        ],
        "end": [
          450078.1206060761,
          6511810.0
        ],
        "chainage_start": 0,
        "length": 28.120606076088734
      },
      {
        "type": "ARC",
        "centre": [
          450078.1206060761,
          6511838.679393924
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450078.1206060761,
          6511810.0
        ],
        "end": [
          450098.4,
          6511818.4
        ],
        "chainage_start": 28.120606076088734,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450098.4,
          6511818.4
        ],
        "end": [
          450104.06030303804,
          6511824.060303038
        ],
        "chainage_start": 50.64534939129843,
        "length": 8.004877323222937
      },
      {
        "type": "ARC",
        "centre": [
          450118.4,
          6511809.720606076
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 2.3561944901781375,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450104.06030303804,
          6511824.060303038
        ],
        "end": [
          450118.4,
          6511830.0
        ],
        "chainage_start": 58.65022671452137,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450118.4000000003,
          6511829.999999999
        ],
        "end": [
          450121.6,
          6511830.0
        ],
        "chainage_start": 74.57762545719251,
        "length": 3.1999999996623956
      },
      {
        "type": "ARC",
        "centre": [
          450121.6,
          6511850.2793939235
        ],
        "radius": 20.279393923934,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450121.6,
          6511830.0
        ],
        "end": [
          450135.93969696196,
          6511835.939696962
        ],
        "chainage_start": 77.7776254568549,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450135.93969696196,
          6511835.939696961
        ],
        "end": [
          450141.6,
          6511841.6
        ],
        "chainage_start": 93.70502419952604,
        "length": 8.00487732388148
      },
      {
        "type": "ARC",
        "centre": [
          450161.8793939239,
          6511821.320606076
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 2.356194490203826,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450141.6,
          6511841.6
        ],
        "end": [
          450161.8793939239,
          6511850.0
        ],
        "chainage_start": 101.70990152340752,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450161.87939392356,
          6511850.0
        ],
        "end": [
          450173.2,
          6511850.0
        ],
        "chainage_start": 124.23464483861721,
        "length": 11.320606076449621
      },
      {
        "type": "ARC",
        "centre": [
          450173.2,
          6511905.486630714
        ],
        "radius": 55.48663071389752,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.5880026035475675,
        "start": [
          450173.2,
          6511850.0
        ],
        "end": [
          450203.9784449449,
          6511859.318963297
        ],
        "chainage_start": 135.55525091506684,
        "length": 32.62628332185417,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450203.9784449449,
          6511859.318963297
        ],
        "end": [
          450229.0323325827,
          6511876.021555055
        ],
        "chainage_start": 168.181534236921,
        "length": 30.111025509092173
      },
      {
        "type": "ARC",
        "centre": [
          450275.2,
          6511806.770053929
        ],
        "radius": 83.22994607084627,
        "start_angle_rad": 2.1587989303409123,
        "sweep_rad": -0.5880026035475675,
        "start": [
          450229.0323325827,
          6511876.021555055
        ],
        "end": [
          450275.2,
          6511890.0
        ],
        "chainage_start": 198.29255974601318,
        "length": 48.93942498278124,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450275.2000000001,
          6511890.0
        ],
        "end": [
          450298.1206060761,
          6511890.0
        ],
        "chainage_start": 247.23198472879443,
        "length": 22.920606075960677
      },
      {
        "type": "ARC",
        "centre": [
          450298.1206060761,
          6511861.320606076
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450298.1206060761,
          6511890.0
        ],
        "end": [
          450318.4,
          6511881.6
        ],
        "chainage_start": 270.1525908047551,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450318.4,
          6511881.6
        ],
        "end": [
          450324.06030303804,
          6511875.939696962
        ],
        "chainage_start": 292.6773341199648,
        "length": 8.004877323222937
      },
      {
        "type": "ARC",
        "centre": [
          450309.72060607607,
          6511861.6
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 0.7853981634116555,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450324.06030303804,
          6511875.939696962
        ],
        "end": [
          450330.0,
          6511861.6
        ],
        "chainage_start": 300.6822114431878,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450330.0,
          6511861.6
        ],
        "end": [
          450330.0,
          6511858.4
        ],
        "chainage_start": 316.6096101858589,
        "length": 3.199999999254942
      },
      {
        "type": "ARC",
        "centre": [
          450350.27939392393,
          6511858.4
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450330.0,
          6511858.4
        ],
        "end": [
          450335.93969696196,
          6511844.060303038
        ],
        "chainage_start": 319.80961018511385,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450335.93969696196,
          6511844.060303038
        ],
        "end": [
          450345.2014052198,
          6511834.79859478
        ],
        "chainage_start": 335.737008927785,
        "length": 13.098033428892654
      },
      {
        "type": "ARC",
        "centre": [
          450340.1953536926,
          6511829.792543253
        ],
        "radius": 7.079625963719411,
        "start_angle_rad": 0.7853981634090758,
        "sweep_rad": -1.5284845923317398,
        "start": [
          450345.2014052198,
          6511834.79859478
        ],
        "end": [
          450345.4086762913,
          6511825.002723709
        ],
        "chainage_start": 348.83504235667766,
        "length": 10.821099205016864,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450345.4086762914,
          6511825.002723709
        ],
        "end": [
          450339.0682768841,
          6511818.101723116
        ],
        "chainage_start": 359.65614156169454,
        "length": 9.371471273333446
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 73.8055225670056,
        "pvi_z": 260.5300678995935,
        "bvc": 44.90562680205274,
        "evc": 102.70541833195846,
        "length": 57.799791529905725,
        "g1": 0.10855372180270452,
        "g2": 0.012220735919528315,
        "z_bvc": 257.39287665459767,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 147.6110451340112,
        "pvi_z": 261.4320257002877,
        "bvc": 127.61104513401119,
        "evc": 167.6110451340112,
        "length": 40.0,
        "g1": 0.012220735919528315,
        "g2": 0.032842755905559934,
        "z_bvc": 261.18761098189714,
        "K_m_per_percent": 19.396741942396577
      },
      {
        "pvi_ch": 221.4165677010168,
        "pvi_z": 263.85600246243814,
        "bvc": 201.4165677010168,
        "evc": 241.4165677010168,
        "length": 40.0,
        "g1": 0.032842755905559934,
        "g2": 0.029563049575267494,
        "z_bvc": 263.19914734432695,
        "K_m_per_percent": 121.96213920297353
      },
      {
        "pvi_ch": 295.2220902680224,
        "pvi_z": 266.03791878501505,
        "bvc": 275.2220902680224,
        "evc": 315.2220902680224,
        "length": 40.0,
        "g1": 0.029563049575267494,
        "g2": 0.006593237617898642,
        "z_bvc": 265.4466577935097,
        "K_m_per_percent": 17.414160844781215
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450050.0,
        "northing": 6511810.0,
        "existing_z": 252.5182,
        "design_z": 252.5182,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450060.0,
        "northing": 6511810.0,
        "existing_z": 254.3189,
        "design_z": 253.6037,
        "delta_z": -0.7151
      },
      {
        "ch": 20.0,
        "easting": 450070.0,
        "northing": 6511810.0,
        "existing_z": 256.1195,
        "design_z": 254.6893,
        "delta_z": -1.4303
      },
      {
        "ch": 30.0,
        "easting": 450079.9987,
        "northing": 6511810.0616,
        "existing_z": 257.8246,
        "design_z": 255.7748,
        "delta_z": -2.0498
      },
      {
        "ch": 40.0,
        "easting": 450089.6632,
        "northing": 6511812.4253,
        "existing_z": 259.7155,
        "design_z": 256.8604,
        "delta_z": -2.8552
      },
      {
        "ch": 44.9056,
        "easting": 450093.9637,
        "northing": 6511814.7732,
        "existing_z": 260.3035,
        "design_z": 257.3929,
        "delta_z": -2.9107
      },
      {
        "ch": 50.0,
        "easting": 450097.9386,
        "northing": 6511817.9488,
        "existing_z": 260.9109,
        "design_z": 257.9243,
        "delta_z": -2.9866
      },
      {
        "ch": 60.0,
        "easting": 450105.0458,
        "northing": 6511824.9823,
        "existing_z": 262.102,
        "design_z": 258.8416,
        "delta_z": -3.2604
      },
      {
        "ch": 70.0,
        "easting": 450113.8611,
        "northing": 6511829.4855,
        "existing_z": 262.6813,
        "design_z": 259.5922,
        "delta_z": -3.0891
      },
      {
        "ch": 73.8055,
        "easting": 450117.6281,
        "northing": 6511829.9853,
        "existing_z": 262.5481,
        "design_z": 259.8341,
        "delta_z": -2.7141
      },
      {
        "ch": 80.0,
        "easting": 450123.8179,
        "northing": 6511830.1217,
        "existing_z": 262.2582,
        "design_z": 260.1762,
        "delta_z": -2.0821
      },
      {
        "ch": 90.0,
        "easting": 450133.0957,
        "northing": 6511833.5731,
        "existing_z": 261.9086,
        "design_z": 260.5935,
        "delta_z": -1.3151
      },
      {
        "ch": 100.0,
        "easting": 450140.3909,
        "northing": 6511840.3909,
        "existing_z": 261.7706,
        "design_z": 260.8441,
        "delta_z": -0.9265
      },
      {
        "ch": 102.7054,
        "easting": 450142.316,
        "northing": 6511842.2916,
        "existing_z": 261.7569,
        "design_z": 260.8832,
        "delta_z": -0.8737
      },
      {
        "ch": 110.0,
        "easting": 450148.222,
        "northing": 6511846.5393,
        "existing_z": 261.635,
        "design_z": 260.9724,
        "delta_z": -0.6626
      },
      {
        "ch": 120.0,
        "easting": 450157.6601,
        "northing": 6511849.6879,
        "existing_z": 261.3261,
        "design_z": 261.0946,
        "delta_z": -0.2315
      },
      {
        "ch": 127.611,
        "easting": 450165.2558,
        "northing": 6511850.0,
        "existing_z": 260.9271,
        "design_z": 261.1876,
        "delta_z": 0.2605
      },
      {
        "ch": 130.0,
        "easting": 450167.6447,
        "northing": 6511850.0,
        "existing_z": 260.7936,
        "design_z": 261.2183,
        "delta_z": 0.4247
      },
      {
        "ch": 140.0,
        "easting": 450177.64,
        "northing": 6511850.1779,
        "existing_z": 260.5555,
        "design_z": 261.3786,
        "delta_z": 0.8231
      },
      {
        "ch": 147.611,
        "easting": 450185.1612,
        "northing": 6511851.3046,
        "existing_z": 260.5185,
        "design_z": 261.5351,
        "delta_z": 1.0166
      },
      {
        "ch": 150.0,
        "easting": 450187.4821,
        "northing": 6511851.8696,
        "existing_z": 260.5231,
        "design_z": 261.5904,
        "delta_z": 1.0674
      },
      {
        "ch": 160.0,
        "easting": 450196.8617,
        "northing": 6511855.2981,
        "existing_z": 260.8567,
        "design_z": 261.8538,
        "delta_z": 0.9972
      },
      {
        "ch": 167.611,
        "easting": 450203.5022,
        "northing": 6511859.005,
        "existing_z": 261.2302,
        "design_z": 262.0889,
        "delta_z": 0.8587
      },
      {
        "ch": 170.0,
        "easting": 450205.4915,
        "northing": 6511860.3277,
        "existing_z": 261.3536,
        "design_z": 262.1673,
        "delta_z": 0.8137
      },
      {
        "ch": 180.0,
        "easting": 450213.812,
        "northing": 6511865.8747,
        "existing_z": 261.9238,
        "design_z": 262.4958,
        "delta_z": 0.5719
      },
      {
        "ch": 190.0,
        "easting": 450222.1325,
        "northing": 6511871.4217,
        "existing_z": 262.5016,
        "design_z": 262.8242,
        "delta_z": 0.3226
      },
      {
        "ch": 200.0,
        "easting": 450230.4626,
        "northing": 6511876.954,
        "existing_z": 262.9747,
        "design_z": 263.1526,
        "delta_z": 0.1779
      },
      {
        "ch": 201.4166,
        "easting": 450231.6636,
        "northing": 6511877.7053,
        "existing_z": 263.0523,
        "design_z": 263.1991,
        "delta_z": 0.1468
      },
      {
        "ch": 210.0,
        "easting": 450239.1974,
        "northing": 6511881.8103,
        "existing_z": 263.5006,
        "design_z": 263.478,
        "delta_z": -0.0226
      },
      {
        "ch": 220.0,
        "easting": 450248.4513,
        "northing": 6511885.5846,
        "existing_z": 263.9765,
        "design_z": 263.7953,
        "delta_z": -0.1812
      },
      {
        "ch": 221.4166,
        "easting": 450249.7965,
        "northing": 6511886.0284,
        "existing_z": 264.0401,
        "design_z": 263.8396,
        "delta_z": -0.2005
      },
      {
        "ch": 230.0,
        "easting": 450258.0909,
        "northing": 6511888.2225,
        "existing_z": 264.4208,
        "design_z": 264.1044,
        "delta_z": -0.3164
      },
      {
        "ch": 240.0,
        "easting": 450267.9771,
        "northing": 6511889.686,
        "existing_z": 264.8323,
        "design_z": 264.4053,
        "delta_z": -0.427
      },
      {
        "ch": 241.4166,
        "easting": 450269.3893,
        "northing": 6511889.7969,
        "existing_z": 264.888,
        "design_z": 264.4473,
        "delta_z": -0.4407
      },
      {
        "ch": 250.0,
        "easting": 450277.968,
        "northing": 6511890.0,
        "existing_z": 265.1699,
        "design_z": 264.701,
        "delta_z": -0.4689
      },
      {
        "ch": 260.0,
        "easting": 450287.968,
        "northing": 6511890.0,
        "existing_z": 265.4887,
        "design_z": 264.9966,
        "delta_z": -0.492
      },
      {
        "ch": 270.0,
        "easting": 450297.968,
        "northing": 6511890.0,
        "existing_z": 265.8152,
        "design_z": 265.2923,
        "delta_z": -0.5229
      },
      {
        "ch": 275.2221,
        "easting": 450303.1637,
        "northing": 6511889.5531,
        "existing_z": 265.9779,
        "design_z": 265.4467,
        "delta_z": -0.5312
      },
      {
        "ch": 280.0,
        "easting": 450307.7757,
        "northing": 6511888.3259,
        "existing_z": 266.1093,
        "design_z": 265.5814,
        "delta_z": -0.528
      },
      {
        "ch": 290.0,
        "easting": 450316.4213,
        "northing": 6511883.4021,
        "existing_z": 266.3426,
        "design_z": 265.8208,
        "delta_z": -0.5217
      },
      {
        "ch": 295.2221,
        "easting": 450320.1994,
        "northing": 6511879.8006,
        "existing_z": 266.4342,
        "design_z": 265.9231,
        "delta_z": -0.5111
      },
      {
        "ch": 300.0,
        "easting": 450323.5779,
        "northing": 6511876.4221,
        "existing_z": 266.52,
        "design_z": 266.0029,
        "delta_z": -0.5171
      },
      {
        "ch": 310.0,
        "easting": 450328.9324,
        "northing": 6511868.0932,
        "existing_z": 266.6496,
        "design_z": 266.1275,
        "delta_z": -0.5221
      },
      {
        "ch": 315.2221,
        "easting": 450329.9526,
        "northing": 6511862.9864,
        "existing_z": 266.6777,
        "design_z": 266.1698,
        "delta_z": -0.508
      },
      {
        "ch": 320.0,
        "easting": 450330.0009,
        "northing": 6511858.2096,
        "existing_z": 266.6667,
        "design_z": 266.2013,
        "delta_z": -0.4654
      },
      {
        "ch": 330.0,
        "easting": 450332.5069,
        "northing": 6511848.6331,
        "existing_z": 266.7337,
        "design_z": 266.2672,
        "delta_z": -0.4665
      },
      {
        "ch": 340.0,
        "easting": 450338.9541,
        "northing": 6511841.0459,
        "existing_z": 266.9351,
        "design_z": 266.3332,
        "delta_z": -0.602
      },
      {
        "ch": 350.0,
        "easting": 450345.9538,
        "northing": 6511833.9109,
        "existing_z": 267.185,
        "design_z": 266.3991,
        "delta_z": -0.7859
      },
      {
        "ch": 360.0,
        "easting": 450345.176,
        "northing": 6511824.7495,
        "existing_z": 266.989,
        "design_z": 266.465,
        "delta_z": -0.524
      },
      {
        "ch": 369.0276,
        "easting": 450339.0683,
        "northing": 6511818.1017,
        "existing_z": 266.5245,
        "design_z": 266.5245,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD376",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 97.34,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.0,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451420.0,
          6511827.03
        ],
        "end": [
          451371.3286969253,
          6511911.328696925
        ],
        "chainage_start": 0,
        "length": 97.34046458811447
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 48.670232294057236,
        "pvi_z": 239.5148639025516,
        "bvc": 28.670232294057236,
        "evc": 68.67023229405723,
        "length": 40.0,
        "g1": -0.05999239373686886,
        "g2": -0.049964730807177365,
        "z_bvc": 240.71471177728898,
        "K_m_per_percent": 39.88965353189291
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451420.0,
        "northing": 6511827.03,
        "existing_z": 242.4347,
        "design_z": 242.4347,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451414.9999,
        "northing": 6511835.6902,
        "existing_z": 241.8266,
        "design_z": 241.8348,
        "delta_z": 0.0082
      },
      {
        "ch": 20.0,
        "easting": 451409.9998,
        "northing": 6511844.3504,
        "existing_z": 241.1745,
        "design_z": 241.2349,
        "delta_z": 0.0603
      },
      {
        "ch": 28.6702,
        "easting": 451405.6646,
        "northing": 6511851.859,
        "existing_z": 240.6692,
        "design_z": 240.7147,
        "delta_z": 0.0455
      },
      {
        "ch": 30.0,
        "easting": 451404.9997,
        "northing": 6511853.0106,
        "existing_z": 240.5827,
        "design_z": 240.6352,
        "delta_z": 0.0525
      },
      {
        "ch": 40.0,
        "easting": 451399.9996,
        "northing": 6511861.6708,
        "existing_z": 239.9391,
        "design_z": 240.0511,
        "delta_z": 0.112
      },
      {
        "ch": 48.6702,
        "easting": 451395.6643,
        "northing": 6511869.1793,
        "existing_z": 239.3913,
        "design_z": 239.565,
        "delta_z": 0.1737
      },
      {
        "ch": 50.0,
        "easting": 451394.9994,
        "northing": 6511870.331,
        "existing_z": 239.3084,
        "design_z": 239.4921,
        "delta_z": 0.1837
      },
      {
        "ch": 60.0,
        "easting": 451389.9993,
        "northing": 6511878.9911,
        "existing_z": 238.7005,
        "design_z": 238.9582,
        "delta_z": 0.2577
      },
      {
        "ch": 68.6702,
        "easting": 451385.6641,
        "northing": 6511886.4997,
        "existing_z": 238.2204,
        "design_z": 238.5156,
        "delta_z": 0.2952
      },
      {
        "ch": 70.0,
        "easting": 451384.9992,
        "northing": 6511887.6513,
        "existing_z": 238.1471,
        "design_z": 238.4491,
        "delta_z": 0.3021
      },
      {
        "ch": 80.0,
        "easting": 451379.9991,
        "northing": 6511896.3115,
        "existing_z": 237.7018,
        "design_z": 237.9495,
        "delta_z": 0.2477
      },
      {
        "ch": 90.0,
        "easting": 451374.999,
        "northing": 6511904.9717,
        "existing_z": 237.3142,
        "design_z": 237.4498,
        "delta_z": 0.1357
      },
      {
        "ch": 97.3405,
        "easting": 451371.3287,
        "northing": 6511911.3287,
        "existing_z": 237.0831,
        "design_z": 237.0831,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD377",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 93.184,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 8.37,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451293.67867929814,
          6511870.0
        ],
        "end": [
          451314.74504530523,
          6511870.0
        ],
        "chainage_start": 0,
        "length": 21.06636600708589
      },
      {
        "type": "ARC",
        "centre": [
          451314.74504530523,
          6511906.828718518
        ],
        "radius": 36.828718517597366,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633960399,
        "start": [
          451314.74504530523,
          6511870.0
        ],
        "end": [
          451340.7868819114,
          6511880.786881912
        ],
        "chainage_start": 21.06636600708589,
        "length": 28.925207883950694,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451340.7868819114,
          6511880.786881912
        ],
        "end": [
          451371.3286969253,
          6511911.328696925
        ],
        "chainage_start": 49.99157389103658,
        "length": 43.1926490119641
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 46.592111451500344,
        "pvi_z": 240.9824814150289,
        "bvc": 26.592111451500344,
        "evc": 66.59211145150034,
        "length": 40.0,
        "g1": -0.08070092559456936,
        "g2": -0.08369254892926907,
        "z_bvc": 242.59649992692027,
        "K_m_per_percent": 133.70667201329027
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451293.6787,
        "northing": 6511870.0,
        "existing_z": 244.7425,
        "design_z": 244.7425,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451303.6787,
        "northing": 6511870.0,
        "existing_z": 244.0282,
        "design_z": 243.9355,
        "delta_z": -0.0927
      },
      {
        "ch": 20.0,
        "easting": 451313.6787,
        "northing": 6511870.0,
        "existing_z": 243.3244,
        "design_z": 243.1285,
        "delta_z": -0.1959
      },
      {
        "ch": 26.5921,
        "easting": 451320.2501,
        "northing": 6511870.4138,
        "existing_z": 242.8388,
        "design_z": 242.5965,
        "delta_z": -0.2423
      },
      {
        "ch": 30.0,
        "easting": 451323.5913,
        "northing": 6511871.0782,
        "existing_z": 242.5534,
        "design_z": 242.321,
        "delta_z": -0.2324
      },
      {
        "ch": 40.0,
        "easting": 451332.8556,
        "northing": 6511874.7606,
        "existing_z": 241.6403,
        "design_z": 241.5077,
        "delta_z": -0.1326
      },
      {
        "ch": 46.5921,
        "easting": 451338.2756,
        "northing": 6511878.4974,
        "existing_z": 241.0178,
        "design_z": 240.9675,
        "delta_z": -0.0503
      },
      {
        "ch": 50.0,
        "easting": 451340.7928,
        "northing": 6511880.7928,
        "existing_z": 240.6816,
        "design_z": 240.687,
        "delta_z": 0.0054
      },
      {
        "ch": 60.0,
        "easting": 451347.8639,
        "northing": 6511887.8639,
        "existing_z": 239.6858,
        "design_z": 239.8587,
        "delta_z": 0.1729
      },
      {
        "ch": 66.5921,
        "easting": 451352.5252,
        "northing": 6511892.5252,
        "existing_z": 239.1137,
        "design_z": 239.3086,
        "delta_z": 0.195
      },
      {
        "ch": 70.0,
        "easting": 451354.935,
        "northing": 6511894.935,
        "existing_z": 238.8527,
        "design_z": 239.0234,
        "delta_z": 0.1707
      },
      {
        "ch": 80.0,
        "easting": 451362.006,
        "northing": 6511902.006,
        "existing_z": 238.0778,
        "design_z": 238.1865,
        "delta_z": 0.1087
      },
      {
        "ch": 90.0,
        "easting": 451369.0771,
        "northing": 6511909.0771,
        "existing_z": 237.289,
        "design_z": 237.3496,
        "delta_z": 0.0606
      },
      {
        "ch": 93.1842,
        "easting": 451371.3287,
        "northing": 6511911.3287,
        "existing_z": 237.0831,
        "design_z": 237.0831,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD378",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 150.409,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.59,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452326.4249996463,
          6511828.684999647
        ],
        "end": [
          452273.9749913142,
          6511881.127591405
        ],
        "chainage_start": 0,
        "length": 74.1702690057494
      },
      {
        "type": "ARC",
        "centre": [
          452292.2361086862,
          6511899.391291314
        ],
        "radius": 25.82694604544111,
        "start_angle_rad": -2.356123783836852,
        "sweep_rad": -1.570867033150834,
        "start": [
          452273.9749913142,
          6511881.127591405
        ],
        "end": [
          452273.9737000001,
          6511917.6537
        ],
        "chainage_start": 74.1702690057494,
        "length": 40.57069810974875,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452273.97370000015,
          6511917.6537
        ],
        "end": [
          452299.1950000001,
          6511942.875
        ],
        "chainage_start": 114.74096711549815,
        "length": 35.66830452089299
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 75.20463581819557,
        "pvi_z": 232.85833806948904,
        "bvc": 55.20463581819557,
        "evc": 95.20463581819557,
        "length": 40.0,
        "g1": -0.0550731140199638,
        "g2": -0.06585020462503828,
        "z_bvc": 233.95980034988833,
        "K_m_per_percent": 37.11576849986366
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452326.425,
        "northing": 6511828.685,
        "existing_z": 237.0001,
        "design_z": 237.0001,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452319.3534,
        "northing": 6511835.7556,
        "existing_z": 236.6317,
        "design_z": 236.4494,
        "delta_z": -0.1823
      },
      {
        "ch": 20.0,
        "easting": 452312.2819,
        "northing": 6511842.8261,
        "existing_z": 236.2486,
        "design_z": 235.8986,
        "delta_z": -0.35
      },
      {
        "ch": 30.0,
        "easting": 452305.2103,
        "northing": 6511849.8967,
        "existing_z": 235.8316,
        "design_z": 235.3479,
        "delta_z": -0.4837
      },
      {
        "ch": 40.0,
        "easting": 452298.1387,
        "northing": 6511856.9673,
        "existing_z": 235.2451,
        "design_z": 234.7972,
        "delta_z": -0.4479
      },
      {
        "ch": 50.0,
        "easting": 452291.0672,
        "northing": 6511864.0378,
        "existing_z": 234.6599,
        "design_z": 234.2464,
        "delta_z": -0.4135
      },
      {
        "ch": 55.2046,
        "easting": 452287.3867,
        "northing": 6511867.7178,
        "existing_z": 234.3553,
        "design_z": 233.9598,
        "delta_z": -0.3955
      },
      {
        "ch": 60.0,
        "easting": 452283.9956,
        "northing": 6511871.1084,
        "existing_z": 234.0622,
        "design_z": 233.6926,
        "delta_z": -0.3696
      },
      {
        "ch": 70.0,
        "easting": 452276.924,
        "northing": 6511878.179,
        "existing_z": 233.401,
        "design_z": 233.1155,
        "delta_z": -0.2856
      },
      {
        "ch": 75.2046,
        "easting": 452273.2584,
        "northing": 6511881.8734,
        "existing_z": 233.0636,
        "design_z": 232.8045,
        "delta_z": -0.2591
      },
      {
        "ch": 80.0,
        "easting": 452270.3506,
        "northing": 6511885.6779,
        "existing_z": 232.733,
        "design_z": 232.5114,
        "delta_z": -0.2216
      },
      {
        "ch": 90.0,
        "easting": 452266.7927,
        "northing": 6511894.9568,
        "existing_z": 232.0055,
        "design_z": 231.8804,
        "delta_z": -0.1251
      },
      {
        "ch": 95.2046,
        "easting": 452266.42,
        "northing": 6511900.1393,
        "existing_z": 231.597,
        "design_z": 231.5413,
        "delta_z": -0.0557
      },
      {
        "ch": 100.0,
        "easting": 452267.0018,
        "northing": 6511904.8923,
        "existing_z": 231.22,
        "design_z": 231.2256,
        "delta_z": 0.0055
      },
      {
        "ch": 110.0,
        "easting": 452270.947,
        "northing": 6511914.0133,
        "existing_z": 230.4855,
        "design_z": 230.5671,
        "delta_z": 0.0816
      },
      {
        "ch": 120.0,
        "easting": 452277.6924,
        "northing": 6511921.3724,
        "existing_z": 229.8989,
        "design_z": 229.9086,
        "delta_z": 0.0097
      },
      {
        "ch": 130.0,
        "easting": 452284.7635,
        "northing": 6511928.4435,
        "existing_z": 229.2895,
        "design_z": 229.2501,
        "delta_z": -0.0395
      },
      {
        "ch": 140.0,
        "easting": 452291.8345,
        "northing": 6511935.5145,
        "existing_z": 228.6393,
        "design_z": 228.5916,
        "delta_z": -0.0477
      },
      {
        "ch": 150.0,
        "easting": 452298.9056,
        "northing": 6511942.5856,
        "existing_z": 227.9359,
        "design_z": 227.933,
        "delta_z": -0.0029
      },
      {
        "ch": 150.4093,
        "easting": 452299.195,
        "northing": 6511942.875,
        "existing_z": 227.9061,
        "design_z": 227.9061,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD379",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 172.767,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 14.41,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452326.4249996463,
          6511828.684999647
        ],
        "end": [
          452448.59,
          6511950.85
        ],
        "chainage_start": 0,
        "length": 172.7674003470325
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 57.58913344901083,
        "pvi_z": 233.48547239916184,
        "bvc": 37.58913344901083,
        "evc": 77.58913344901083,
        "length": 40.0,
        "g1": -0.06102920712784067,
        "g2": -0.11475810025671905,
        "z_bvc": 234.70605654171865,
        "K_m_per_percent": 7.4447839273466565
      },
      {
        "pvi_ch": 115.17826689802166,
        "pvi_z": 226.87665284912268,
        "bvc": 95.17826689802166,
        "evc": 135.17826689802166,
        "length": 40.0,
        "g1": -0.11475810025671905,
        "g2": -0.14406652401191078,
        "z_bvc": 229.17181485425706,
        "K_m_per_percent": 13.647953344101063
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452326.425,
        "northing": 6511828.685,
        "existing_z": 237.0001,
        "design_z": 237.0001,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452333.4961,
        "northing": 6511835.7561,
        "existing_z": 236.7456,
        "design_z": 236.3898,
        "delta_z": -0.3558
      },
      {
        "ch": 20.0,
        "easting": 452340.5671,
        "northing": 6511842.8271,
        "existing_z": 236.4381,
        "design_z": 235.7795,
        "delta_z": -0.6586
      },
      {
        "ch": 30.0,
        "easting": 452347.6382,
        "northing": 6511849.8982,
        "existing_z": 236.108,
        "design_z": 235.1692,
        "delta_z": -0.9388
      },
      {
        "ch": 37.5891,
        "easting": 452353.0045,
        "northing": 6511855.2645,
        "existing_z": 235.6643,
        "design_z": 234.7061,
        "delta_z": -0.9582
      },
      {
        "ch": 40.0,
        "easting": 452354.7093,
        "northing": 6511856.9693,
        "existing_z": 235.5051,
        "design_z": 234.555,
        "delta_z": -0.9501
      },
      {
        "ch": 50.0,
        "easting": 452361.7803,
        "northing": 6511864.0403,
        "existing_z": 234.8101,
        "design_z": 233.8452,
        "delta_z": -0.965
      },
      {
        "ch": 57.5891,
        "easting": 452367.1467,
        "northing": 6511869.4067,
        "existing_z": 234.2451,
        "design_z": 233.2168,
        "delta_z": -1.0283
      },
      {
        "ch": 60.0,
        "easting": 452368.8514,
        "northing": 6511871.1114,
        "existing_z": 234.0362,
        "design_z": 233.001,
        "delta_z": -1.0352
      },
      {
        "ch": 70.0,
        "easting": 452375.9225,
        "northing": 6511878.1825,
        "existing_z": 232.9566,
        "design_z": 232.0225,
        "delta_z": -0.9341
      },
      {
        "ch": 77.5891,
        "easting": 452381.2888,
        "northing": 6511883.5488,
        "existing_z": 232.0936,
        "design_z": 231.1903,
        "delta_z": -0.9033
      },
      {
        "ch": 80.0,
        "easting": 452382.9935,
        "northing": 6511885.2535,
        "existing_z": 231.8153,
        "design_z": 230.9136,
        "delta_z": -0.9017
      },
      {
        "ch": 90.0,
        "easting": 452390.0646,
        "northing": 6511892.3246,
        "existing_z": 230.6275,
        "design_z": 229.7661,
        "delta_z": -0.8615
      },
      {
        "ch": 95.1783,
        "easting": 452393.7262,
        "northing": 6511895.9862,
        "existing_z": 229.9108,
        "design_z": 229.1718,
        "delta_z": -0.739
      },
      {
        "ch": 100.0,
        "easting": 452397.1357,
        "northing": 6511899.3957,
        "existing_z": 229.2394,
        "design_z": 228.61,
        "delta_z": -0.6295
      },
      {
        "ch": 110.0,
        "easting": 452404.2067,
        "northing": 6511906.4667,
        "existing_z": 227.8347,
        "design_z": 227.3904,
        "delta_z": -0.4443
      },
      {
        "ch": 115.1783,
        "easting": 452407.8683,
        "northing": 6511910.1283,
        "existing_z": 227.101,
        "design_z": 226.7301,
        "delta_z": -0.3709
      },
      {
        "ch": 120.0,
        "easting": 452411.2778,
        "northing": 6511913.5378,
        "existing_z": 226.4061,
        "design_z": 226.0976,
        "delta_z": -0.3084
      },
      {
        "ch": 130.0,
        "easting": 452418.3489,
        "northing": 6511920.6089,
        "existing_z": 224.9028,
        "design_z": 224.7315,
        "delta_z": -0.1712
      },
      {
        "ch": 135.1783,
        "easting": 452422.0105,
        "northing": 6511924.2705,
        "existing_z": 224.1221,
        "design_z": 223.9953,
        "delta_z": -0.1268
      },
      {
        "ch": 140.0,
        "easting": 452425.4199,
        "northing": 6511927.6799,
        "existing_z": 223.3938,
        "design_z": 223.3007,
        "delta_z": -0.0931
      },
      {
        "ch": 150.0,
        "easting": 452432.491,
        "northing": 6511934.751,
        "existing_z": 221.8951,
        "design_z": 221.86,
        "delta_z": -0.0351
      },
      {
        "ch": 160.0,
        "easting": 452439.5621,
        "northing": 6511941.8221,
        "existing_z": 220.4216,
        "design_z": 220.4193,
        "delta_z": -0.0023
      },
      {
        "ch": 170.0,
        "easting": 452446.6332,
        "northing": 6511948.8932,
        "existing_z": 218.9709,
        "design_z": 218.9787,
        "delta_z": 0.0077
      },
      {
        "ch": 172.7674,
        "easting": 452448.59,
        "northing": 6511950.85,
        "existing_z": 218.58,
        "design_z": 218.58,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD380",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 297.678,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 6.95,
    "radius_review_count": 5,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450994.6117454495,
          6511886.22324072
        ],
        "end": [
          450995.0457330888,
          6511885.792161102
        ],
        "chainage_start": 0,
        "length": 0.6116983798251135
      },
      {
        "type": "ARC",
        "centre": [
          450995.322290288,
          6511886.07058393
        ],
        "radius": 0.39243235768415774,
        "start_angle_rad": -2.3528328888322543,
        "sweep_rad": 1.6916031415944552,
        "start": [
          450995.0457330888,
          6511885.792161102
        ],
        "end": [
          450995.6320126818,
          6511885.8295959765
        ],
        "chainage_start": 0.6116983798251135,
        "length": 0.6638398091218402,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450995.632012682,
          6511885.8295959765
        ],
        "end": [
          451024.8416618148,
          6511923.370403695
        ],
        "chainage_start": 1.2755381889469537,
        "length": 47.56591055169501
      },
      {
        "type": "ARC",
        "centre": [
          451038.4,
          6511912.820968952
        ],
        "radius": 17.179031047580622,
        "start_angle_rad": 2.4803629059569388,
        "sweep_rad": -0.9095665791739764,
        "start": [
          451024.8416618148,
          6511923.370403695
        ],
        "end": [
          451038.4,
          6511930.0
        ],
        "chainage_start": 48.841448740641965,
        "length": 15.625472503471439,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451038.40000000026,
          6511930.0
        ],
        "end": [
          451041.6,
          6511930.0
        ],
        "chainage_start": 64.46692124411341,
        "length": 3.1999999997206032
      },
      {
        "type": "ARC",
        "centre": [
          451041.6,
          6511950.2793939235
        ],
        "radius": 20.279393923934,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          451041.6,
          6511930.0
        ],
        "end": [
          451055.93969696196,
          6511935.939696962
        ],
        "chainage_start": 67.66692124383401,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451055.93969696196,
          6511935.939696961
        ],
        "end": [
          451061.6,
          6511941.6
        ],
        "chainage_start": 83.59431998650516,
        "length": 8.00487732388148
      },
      {
        "type": "ARC",
        "centre": [
          451070.0,
          6511933.199999999
        ],
        "radius": 11.879393923934,
        "start_angle_rad": 2.3561944901715566,
        "sweep_rad": -1.5707963267948966,
        "start": [
          451061.6,
          6511941.6
        ],
        "end": [
          451078.4,
          6511941.6
        ],
        "chainage_start": 91.59919731038664,
        "length": 18.66010834026514,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451078.4000000002,
          6511941.599999999
        ],
        "end": [
          451209.5258961429,
          6511810.474103857
        ],
        "chainage_start": 110.25930565065178,
        "length": 185.4400207027267
      },
      {
        "type": "ARC",
        "centre": [
          451209.99999999994,
          6511810.948207714
        ],
        "radius": 0.6704841046753394,
        "start_angle_rad": -2.356194490437893,
        "sweep_rad": 1.5707963268722442,
        "start": [
          451209.5258961429,
          6511810.474103857
        ],
        "end": [
          451210.47410385706,
          6511810.474103857
        ],
        "chainage_start": 295.6993263533785,
        "length": 1.0531939688502483,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451210.47410385695,
          6511810.474103857
        ],
        "end": [
          451211.12881870737,
          6511811.128818708
        ],
        "chainage_start": 296.75252032222875,
        "length": 0.9259066211537258
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 74.41960673584562,
        "pvi_z": 254.8696645214218,
        "bvc": 54.41960673584562,
        "evc": 94.41960673584562,
        "length": 40.0,
        "g1": 0.0695409011227222,
        "g2": 0.006049193996259525,
        "z_bvc": 253.47884649896736,
        "K_m_per_percent": 6.300035360575213
      },
      {
        "pvi_ch": 148.83921347169124,
        "pvi_z": 255.31984315969228,
        "bvc": 128.83921347169124,
        "evc": 168.83921347169124,
        "length": 40.0,
        "g1": 0.006049193996259525,
        "g2": -0.026198932692997442,
        "z_bvc": 255.1988592797671,
        "K_m_per_percent": 12.40382127788076
      },
      {
        "pvi_ch": 223.25882020753687,
        "pvi_z": 253.37012889178052,
        "bvc": 203.25882020753687,
        "evc": 243.25882020753687,
        "length": 40.0,
        "g1": -0.026198932692997442,
        "g2": -0.022969041444902215,
        "z_bvc": 253.89410754564048,
        "K_m_per_percent": 123.84317900359437
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450994.6117,
        "northing": 6511886.2232,
        "existing_z": 249.6945,
        "design_z": 249.6945,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451000.9896,
        "northing": 6511892.7153,
        "existing_z": 250.9739,
        "design_z": 250.3899,
        "delta_z": -0.5841
      },
      {
        "ch": 20.0,
        "easting": 451007.1305,
        "northing": 6511900.6076,
        "existing_z": 252.1862,
        "design_z": 251.0853,
        "delta_z": -1.101
      },
      {
        "ch": 30.0,
        "easting": 451013.2714,
        "northing": 6511908.5,
        "existing_z": 253.2689,
        "design_z": 251.7807,
        "delta_z": -1.4882
      },
      {
        "ch": 40.0,
        "easting": 451019.4122,
        "northing": 6511916.3924,
        "existing_z": 254.1319,
        "design_z": 252.4761,
        "delta_z": -1.6558
      },
      {
        "ch": 50.0,
        "easting": 451025.5834,
        "northing": 6511924.2601,
        "existing_z": 254.8488,
        "design_z": 253.1715,
        "delta_z": -1.6773
      },
      {
        "ch": 54.4196,
        "easting": 451028.9158,
        "northing": 6511927.1447,
        "existing_z": 255.1672,
        "design_z": 253.4788,
        "delta_z": -1.6883
      },
      {
        "ch": 60.0,
        "easting": 451033.9832,
        "northing": 6511929.4225,
        "existing_z": 255.433,
        "design_z": 253.8422,
        "delta_z": -1.5908
      },
      {
        "ch": 70.0,
        "easting": 451043.9279,
        "northing": 6511930.1341,
        "existing_z": 255.8135,
        "design_z": 254.3697,
        "delta_z": -1.4438
      },
      {
        "ch": 74.4196,
        "easting": 451048.2286,
        "northing": 6511931.1139,
        "existing_z": 255.9747,
        "design_z": 254.5522,
        "delta_z": -1.4225
      },
      {
        "ch": 80.0,
        "easting": 451053.1868,
        "northing": 6511933.6361,
        "existing_z": 256.0645,
        "design_z": 254.7384,
        "delta_z": -1.3261
      },
      {
        "ch": 90.0,
        "easting": 451060.4692,
        "northing": 6511940.4692,
        "existing_z": 256.0759,
        "design_z": 254.9484,
        "delta_z": -1.1275
      },
      {
        "ch": 94.4196,
        "easting": 451063.8113,
        "northing": 6511943.34,
        "existing_z": 256.0651,
        "design_z": 254.9906,
        "delta_z": -1.0744
      },
      {
        "ch": 100.0,
        "easting": 451069.0717,
        "northing": 6511945.0431,
        "existing_z": 256.0656,
        "design_z": 255.0244,
        "delta_z": -1.0412
      },
      {
        "ch": 110.0,
        "easting": 451078.2147,
        "northing": 6511941.7813,
        "existing_z": 256.0046,
        "design_z": 255.0849,
        "delta_z": -0.9197
      },
      {
        "ch": 120.0,
        "easting": 451085.2877,
        "northing": 6511934.7123,
        "existing_z": 256.0453,
        "design_z": 255.1454,
        "delta_z": -0.8999
      },
      {
        "ch": 128.8392,
        "easting": 451091.538,
        "northing": 6511928.462,
        "existing_z": 256.0595,
        "design_z": 255.1989,
        "delta_z": -0.8607
      },
      {
        "ch": 130.0,
        "easting": 451092.3588,
        "northing": 6511927.6412,
        "existing_z": 256.0428,
        "design_z": 255.2053,
        "delta_z": -0.8375
      },
      {
        "ch": 140.0,
        "easting": 451099.4298,
        "northing": 6511920.5702,
        "existing_z": 255.8835,
        "design_z": 255.2162,
        "delta_z": -0.6673
      },
      {
        "ch": 148.8392,
        "easting": 451105.6801,
        "northing": 6511914.3199,
        "existing_z": 255.7193,
        "design_z": 255.1586,
        "delta_z": -0.5607
      },
      {
        "ch": 150.0,
        "easting": 451106.5009,
        "northing": 6511913.4991,
        "existing_z": 255.6961,
        "design_z": 255.1464,
        "delta_z": -0.5497
      },
      {
        "ch": 160.0,
        "easting": 451113.572,
        "northing": 6511906.428,
        "existing_z": 255.4166,
        "design_z": 254.9959,
        "delta_z": -0.4206
      },
      {
        "ch": 168.8392,
        "easting": 451119.8223,
        "northing": 6511900.1777,
        "existing_z": 255.1063,
        "design_z": 254.7959,
        "delta_z": -0.3104
      },
      {
        "ch": 170.0,
        "easting": 451120.6431,
        "northing": 6511899.3569,
        "existing_z": 255.0654,
        "design_z": 254.7655,
        "delta_z": -0.2999
      },
      {
        "ch": 180.0,
        "easting": 451127.7141,
        "northing": 6511892.2859,
        "existing_z": 254.7114,
        "design_z": 254.5035,
        "delta_z": -0.208
      },
      {
        "ch": 190.0,
        "easting": 451134.7852,
        "northing": 6511885.2148,
        "existing_z": 254.3552,
        "design_z": 254.2415,
        "delta_z": -0.1138
      },
      {
        "ch": 200.0,
        "easting": 451141.8563,
        "northing": 6511878.1437,
        "existing_z": 254.0106,
        "design_z": 253.9795,
        "delta_z": -0.0311
      },
      {
        "ch": 203.2588,
        "easting": 451144.1606,
        "northing": 6511875.8394,
        "existing_z": 253.9013,
        "design_z": 253.8941,
        "delta_z": -0.0072
      },
      {
        "ch": 210.0,
        "easting": 451148.9273,
        "northing": 6511871.0727,
        "existing_z": 253.68,
        "design_z": 253.7193,
        "delta_z": 0.0393
      },
      {
        "ch": 220.0,
        "easting": 451155.9984,
        "northing": 6511864.0016,
        "existing_z": 253.3242,
        "design_z": 253.4668,
        "delta_z": 0.1426
      },
      {
        "ch": 223.2588,
        "easting": 451158.3027,
        "northing": 6511861.6973,
        "existing_z": 253.2071,
        "design_z": 253.3863,
        "delta_z": 0.1791
      },
      {
        "ch": 230.0,
        "easting": 451163.0695,
        "northing": 6511856.9305,
        "existing_z": 252.9663,
        "design_z": 253.2224,
        "delta_z": 0.256
      },
      {
        "ch": 240.0,
        "easting": 451170.1405,
        "northing": 6511849.8595,
        "existing_z": 252.612,
        "design_z": 252.986,
        "delta_z": 0.374
      },
      {
        "ch": 243.2588,
        "easting": 451172.4449,
        "northing": 6511847.5551,
        "existing_z": 252.4894,
        "design_z": 252.9107,
        "delta_z": 0.4213
      },
      {
        "ch": 250.0,
        "easting": 451177.2116,
        "northing": 6511842.7884,
        "existing_z": 252.2485,
        "design_z": 252.7559,
        "delta_z": 0.5075
      },
      {
        "ch": 260.0,
        "easting": 451184.2827,
        "northing": 6511835.7173,
        "existing_z": 251.9224,
        "design_z": 252.5262,
        "delta_z": 0.6038
      },
      {
        "ch": 270.0,
        "easting": 451191.3537,
        "northing": 6511828.6463,
        "existing_z": 251.6695,
        "design_z": 252.2965,
        "delta_z": 0.627
      },
      {
        "ch": 280.0,
        "easting": 451198.4248,
        "northing": 6511821.5752,
        "existing_z": 251.6282,
        "design_z": 252.0668,
        "delta_z": 0.4387
      },
      {
        "ch": 290.0,
        "easting": 451205.4959,
        "northing": 6511814.5041,
        "existing_z": 251.6633,
        "design_z": 251.8371,
        "delta_z": 0.1739
      },
      {
        "ch": 297.6784,
        "easting": 451211.1288,
        "northing": 6511811.1288,
        "existing_z": 251.6608,
        "design_z": 251.6608,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD381",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 513.987,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 16.29,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450655.94,
          6512083.47
        ],
        "end": [
          450614.92819999997,
          6512042.4582
        ],
        "chainage_start": 0,
        "length": 57.99944377701423
      },
      {
        "type": "ARC",
        "centre": [
          450644.6263999999,
          6512012.760000001
        ],
        "radius": 41.999597218018515,
        "start_angle_rad": 2.3561944901992047,
        "sweep_rad": 1.570796326795975,
        "start": [
          450614.92819999997,
          6512042.4582
        ],
        "end": [
          450614.9282,
          6511983.0618
        ],
        "chainage_start": 57.99944377701423,
        "length": 65.97281303697393,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450614.92820000014,
          6511983.0618
        ],
        "end": [
          450890.7099999999,
          6511707.28
        ],
        "chainage_start": 123.97225681398817,
        "length": 390.0143618154956
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 73.42665980421195,
        "pvi_z": 280.17462221170433,
        "bvc": 53.42665980421195,
        "evc": 93.42665980421195,
        "length": 40.0,
        "g1": 0.007797452783537407,
        "g2": 0.0002721914195685075,
        "z_bvc": 280.01867315603357,
        "K_m_per_percent": 53.15429998421157
      },
      {
        "pvi_ch": 146.8533196084239,
        "pvi_z": 280.1946083184706,
        "bvc": 126.8533196084239,
        "evc": 166.8533196084239,
        "length": 40.0,
        "g1": 0.0002721914195685075,
        "g2": -0.027872557048122713,
        "z_bvc": 280.18916449007924,
        "K_m_per_percent": 14.212242843782391
      },
      {
        "pvi_ch": 220.27997941263584,
        "pvi_z": 278.1480195542246,
        "bvc": 187.23798250074046,
        "evc": 253.32197632453122,
        "length": 66.08399382379075,
        "g1": -0.027872557048122713,
        "g2": -0.15627622903431213,
        "z_bvc": 279.0689844981353,
        "K_m_per_percent": 5.146581308897341
      },
      {
        "pvi_ch": 293.7066392168478,
        "pvi_z": 266.67317804943707,
        "bvc": 273.7066392168478,
        "evc": 313.7066392168478,
        "length": 40.0,
        "g1": -0.15627622903431213,
        "g2": -0.1628941670872955,
        "z_bvc": 269.79870263012333,
        "K_m_per_percent": 60.441786670952425
      },
      {
        "pvi_ch": 367.13329902105977,
        "pvi_z": 254.71240345862776,
        "bvc": 347.13329902105977,
        "evc": 387.13329902105977,
        "length": 40.0,
        "g1": -0.1628941670872955,
        "g2": -0.13913347753596572,
        "z_bvc": 257.9702868003737,
        "K_m_per_percent": 16.834528271407578
      },
      {
        "pvi_ch": 440.5599588252717,
        "pvi_z": 244.49629693621745,
        "bvc": 420.5599588252717,
        "evc": 460.5599588252717,
        "length": 40.0,
        "g1": -0.13913347753596572,
        "g2": -0.14833375493136675,
        "z_bvc": 247.27896648693675,
        "K_m_per_percent": 43.47694996674225
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450655.94,
        "northing": 6512083.47,
        "existing_z": 279.6021,
        "design_z": 279.6021,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450648.8689,
        "northing": 6512076.3989,
        "existing_z": 280.0785,
        "design_z": 279.6801,
        "delta_z": -0.3985
      },
      {
        "ch": 20.0,
        "easting": 450641.7979,
        "northing": 6512069.3279,
        "existing_z": 280.509,
        "design_z": 279.758,
        "delta_z": -0.751
      },
      {
        "ch": 30.0,
        "easting": 450634.7268,
        "northing": 6512062.2568,
        "existing_z": 280.6832,
        "design_z": 279.836,
        "delta_z": -0.8472
      },
      {
        "ch": 40.0,
        "easting": 450627.6557,
        "northing": 6512055.1857,
        "existing_z": 280.8017,
        "design_z": 279.914,
        "delta_z": -0.8877
      },
      {
        "ch": 50.0,
        "easting": 450620.5847,
        "northing": 6512048.1147,
        "existing_z": 280.8107,
        "design_z": 279.992,
        "delta_z": -0.8187
      },
      {
        "ch": 53.4267,
        "easting": 450618.1616,
        "northing": 6512045.6916,
        "existing_z": 280.747,
        "design_z": 280.0187,
        "delta_z": -0.7283
      },
      {
        "ch": 60.0,
        "easting": 450613.5478,
        "northing": 6512041.0104,
        "existing_z": 280.608,
        "design_z": 280.0659,
        "delta_z": -0.5422
      },
      {
        "ch": 70.0,
        "easting": 450607.7616,
        "northing": 6512032.8834,
        "existing_z": 280.4024,
        "design_z": 280.1221,
        "delta_z": -0.2803
      },
      {
        "ch": 73.4267,
        "easting": 450606.2442,
        "northing": 6512029.8121,
        "existing_z": 280.3393,
        "design_z": 280.137,
        "delta_z": -0.2023
      },
      {
        "ch": 80.0,
        "easting": 450604.0554,
        "northing": 6512023.621,
        "existing_z": 280.102,
        "design_z": 280.1595,
        "delta_z": 0.0575
      },
      {
        "ch": 90.0,
        "easting": 450602.6384,
        "northing": 6512013.7458,
        "existing_z": 279.8046,
        "design_z": 280.178,
        "delta_z": 0.3734
      },
      {
        "ch": 93.4267,
        "easting": 450602.6977,
        "northing": 6512010.3206,
        "existing_z": 279.7263,
        "design_z": 280.1801,
        "delta_z": 0.4537
      },
      {
        "ch": 100.0,
        "easting": 450603.5904,
        "northing": 6512003.8149,
        "existing_z": 279.5088,
        "design_z": 280.1819,
        "delta_z": 0.6731
      },
      {
        "ch": 110.0,
        "easting": 450606.8579,
        "northing": 6511994.3887,
        "existing_z": 279.2983,
        "design_z": 280.1846,
        "delta_z": 0.8863
      },
      {
        "ch": 120.0,
        "easting": 450612.2563,
        "northing": 6511985.9992,
        "existing_z": 279.2785,
        "design_z": 280.1873,
        "delta_z": 0.9088
      },
      {
        "ch": 126.8533,
        "easting": 450616.9654,
        "northing": 6511981.0246,
        "existing_z": 279.42,
        "design_z": 280.1892,
        "delta_z": 0.7692
      },
      {
        "ch": 130.0,
        "easting": 450619.1905,
        "northing": 6511978.7995,
        "existing_z": 279.5033,
        "design_z": 280.1865,
        "delta_z": 0.6833
      },
      {
        "ch": 140.0,
        "easting": 450626.2615,
        "northing": 6511971.7285,
        "existing_z": 279.8139,
        "design_z": 280.1319,
        "delta_z": 0.318
      },
      {
        "ch": 146.8533,
        "easting": 450631.1076,
        "northing": 6511966.8824,
        "existing_z": 280.0876,
        "design_z": 280.0539,
        "delta_z": -0.0337
      },
      {
        "ch": 150.0,
        "easting": 450633.3326,
        "northing": 6511964.6574,
        "existing_z": 280.268,
        "design_z": 280.007,
        "delta_z": -0.261
      },
      {
        "ch": 160.0,
        "easting": 450640.4037,
        "northing": 6511957.5863,
        "existing_z": 280.8706,
        "design_z": 279.8117,
        "delta_z": -1.059
      },
      {
        "ch": 166.8533,
        "easting": 450645.2497,
        "northing": 6511952.7403,
        "existing_z": 281.3092,
        "design_z": 279.6372,
        "delta_z": -1.672
      },
      {
        "ch": 170.0,
        "easting": 450647.4747,
        "northing": 6511950.5153,
        "existing_z": 281.5175,
        "design_z": 279.5495,
        "delta_z": -1.9681
      },
      {
        "ch": 180.0,
        "easting": 450654.5458,
        "northing": 6511943.4442,
        "existing_z": 281.8846,
        "design_z": 279.2707,
        "delta_z": -2.6138
      },
      {
        "ch": 187.238,
        "easting": 450659.6638,
        "northing": 6511938.3262,
        "existing_z": 282.0573,
        "design_z": 279.069,
        "delta_z": -2.9883
      },
      {
        "ch": 190.0,
        "easting": 450661.6169,
        "northing": 6511936.3731,
        "existing_z": 282.1094,
        "design_z": 278.9846,
        "delta_z": -3.1248
      },
      {
        "ch": 200.0,
        "easting": 450668.6879,
        "northing": 6511929.3021,
        "existing_z": 282.2095,
        "design_z": 278.555,
        "delta_z": -3.6545
      },
      {
        "ch": 210.0,
        "easting": 450675.759,
        "northing": 6511922.231,
        "existing_z": 281.6101,
        "design_z": 277.9312,
        "delta_z": -3.6789
      },
      {
        "ch": 220.0,
        "easting": 450682.8301,
        "northing": 6511915.1599,
        "existing_z": 280.7315,
        "design_z": 277.113,
        "delta_z": -3.6185
      },
      {
        "ch": 220.28,
        "easting": 450683.028,
        "northing": 6511914.962,
        "existing_z": 280.704,
        "design_z": 277.0873,
        "delta_z": -3.6166
      },
      {
        "ch": 230.0,
        "easting": 450689.9011,
        "northing": 6511908.0889,
        "existing_z": 279.6228,
        "design_z": 276.1006,
        "delta_z": -3.5222
      },
      {
        "ch": 240.0,
        "easting": 450696.9722,
        "northing": 6511901.0178,
        "existing_z": 277.7803,
        "design_z": 274.8938,
        "delta_z": -2.8865
      },
      {
        "ch": 250.0,
        "easting": 450704.0433,
        "northing": 6511893.9467,
        "existing_z": 275.794,
        "design_z": 273.4928,
        "delta_z": -2.3012
      },
      {
        "ch": 253.322,
        "easting": 450706.3923,
        "northing": 6511891.5977,
        "existing_z": 275.1039,
        "design_z": 272.9843,
        "delta_z": -2.1195
      },
      {
        "ch": 260.0,
        "easting": 450711.1143,
        "northing": 6511886.8757,
        "existing_z": 273.6707,
        "design_z": 271.9407,
        "delta_z": -1.73
      },
      {
        "ch": 270.0,
        "easting": 450718.1854,
        "northing": 6511879.8046,
        "existing_z": 271.3676,
        "design_z": 270.378,
        "delta_z": -0.9897
      },
      {
        "ch": 273.7066,
        "easting": 450720.8064,
        "northing": 6511877.1836,
        "existing_z": 270.5161,
        "design_z": 269.7987,
        "delta_z": -0.7173
      },
      {
        "ch": 280.0,
        "easting": 450725.2565,
        "northing": 6511872.7335,
        "existing_z": 269.0727,
        "design_z": 268.8119,
        "delta_z": -0.2608
      },
      {
        "ch": 290.0,
        "easting": 450732.3275,
        "northing": 6511865.6625,
        "existing_z": 267.0,
        "design_z": 267.2305,
        "delta_z": 0.2304
      },
      {
        "ch": 293.7066,
        "easting": 450734.9485,
        "northing": 6511863.0415,
        "existing_z": 266.2939,
        "design_z": 266.6401,
        "delta_z": 0.3462
      },
      {
        "ch": 300.0,
        "easting": 450739.3986,
        "northing": 6511858.5914,
        "existing_z": 265.0918,
        "design_z": 265.6325,
        "delta_z": 0.5407
      },
      {
        "ch": 310.0,
        "easting": 450746.4697,
        "northing": 6511851.5203,
        "existing_z": 263.1732,
        "design_z": 264.0179,
        "delta_z": 0.8447
      },
      {
        "ch": 313.7066,
        "easting": 450749.0907,
        "northing": 6511848.8993,
        "existing_z": 262.5178,
        "design_z": 263.4153,
        "delta_z": 0.8975
      },
      {
        "ch": 320.0,
        "easting": 450753.5407,
        "northing": 6511844.4493,
        "existing_z": 261.5994,
        "design_z": 262.3901,
        "delta_z": 0.7907
      },
      {
        "ch": 330.0,
        "easting": 450760.6118,
        "northing": 6511837.3782,
        "existing_z": 260.0602,
        "design_z": 260.7612,
        "delta_z": 0.7011
      },
      {
        "ch": 340.0,
        "easting": 450767.6829,
        "northing": 6511830.3071,
        "existing_z": 258.378,
        "design_z": 259.1323,
        "delta_z": 0.7543
      },
      {
        "ch": 347.1333,
        "easting": 450772.7269,
        "northing": 6511825.2631,
        "existing_z": 257.3789,
        "design_z": 257.9703,
        "delta_z": 0.5914
      },
      {
        "ch": 350.0,
        "easting": 450774.7539,
        "northing": 6511823.2361,
        "existing_z": 256.9871,
        "design_z": 257.5058,
        "delta_z": 0.5187
      },
      {
        "ch": 360.0,
        "easting": 450781.825,
        "northing": 6511816.165,
        "existing_z": 255.489,
        "design_z": 255.9235,
        "delta_z": 0.4346
      },
      {
        "ch": 367.1333,
        "easting": 450786.869,
        "northing": 6511811.121,
        "existing_z": 254.2957,
        "design_z": 254.8312,
        "delta_z": 0.5356
      },
      {
        "ch": 370.0,
        "easting": 450788.8961,
        "northing": 6511809.0939,
        "existing_z": 253.8363,
        "design_z": 254.4007,
        "delta_z": 0.5645
      },
      {
        "ch": 380.0,
        "easting": 450795.9672,
        "northing": 6511802.0228,
        "existing_z": 252.5998,
        "design_z": 252.9373,
        "delta_z": 0.3375
      },
      {
        "ch": 387.1333,
        "easting": 450801.0112,
        "northing": 6511796.9788,
        "existing_z": 251.6111,
        "design_z": 251.9297,
        "delta_z": 0.3186
      },
      {
        "ch": 390.0,
        "easting": 450803.0382,
        "northing": 6511794.9518,
        "existing_z": 251.1798,
        "design_z": 251.5309,
        "delta_z": 0.3511
      },
      {
        "ch": 400.0,
        "easting": 450810.1093,
        "northing": 6511787.8807,
        "existing_z": 249.67,
        "design_z": 250.1395,
        "delta_z": 0.4695
      },
      {
        "ch": 410.0,
        "easting": 450817.1804,
        "northing": 6511780.8096,
        "existing_z": 248.6111,
        "design_z": 248.7482,
        "delta_z": 0.1371
      },
      {
        "ch": 420.0,
        "easting": 450824.2514,
        "northing": 6511773.7386,
        "existing_z": 247.2661,
        "design_z": 247.3569,
        "delta_z": 0.0908
      },
      {
        "ch": 420.56,
        "easting": 450824.6474,
        "northing": 6511773.3426,
        "existing_z": 247.1823,
        "design_z": 247.279,
        "delta_z": 0.0967
      },
      {
        "ch": 430.0,
        "easting": 450831.3225,
        "northing": 6511766.6675,
        "existing_z": 245.9179,
        "design_z": 245.9553,
        "delta_z": 0.0374
      },
      {
        "ch": 440.0,
        "easting": 450838.3936,
        "northing": 6511759.5964,
        "existing_z": 244.7986,
        "design_z": 244.5307,
        "delta_z": -0.2679
      },
      {
        "ch": 440.56,
        "easting": 450838.7895,
        "northing": 6511759.2005,
        "existing_z": 244.7265,
        "design_z": 244.4503,
        "delta_z": -0.2762
      },
      {
        "ch": 450.0,
        "easting": 450845.4646,
        "northing": 6511752.5254,
        "existing_z": 243.3586,
        "design_z": 243.0832,
        "delta_z": -0.2754
      },
      {
        "ch": 460.0,
        "easting": 450852.5357,
        "northing": 6511745.4543,
        "existing_z": 241.9937,
        "design_z": 241.6126,
        "delta_z": -0.3811
      },
      {
        "ch": 460.56,
        "easting": 450852.9316,
        "northing": 6511745.0584,
        "existing_z": 241.9332,
        "design_z": 241.5296,
        "delta_z": -0.4036
      },
      {
        "ch": 470.0,
        "easting": 450859.6068,
        "northing": 6511738.3832,
        "existing_z": 240.7381,
        "design_z": 240.1293,
        "delta_z": -0.6088
      },
      {
        "ch": 480.0,
        "easting": 450866.6778,
        "northing": 6511731.3122,
        "existing_z": 239.1111,
        "design_z": 238.646,
        "delta_z": -0.4651
      },
      {
        "ch": 490.0,
        "easting": 450873.7489,
        "northing": 6511724.2411,
        "existing_z": 237.6366,
        "design_z": 237.1627,
        "delta_z": -0.474
      },
      {
        "ch": 500.0,
        "easting": 450880.82,
        "northing": 6511717.17,
        "existing_z": 236.1035,
        "design_z": 235.6793,
        "delta_z": -0.4242
      },
      {
        "ch": 510.0,
        "easting": 450887.891,
        "northing": 6511710.099,
        "existing_z": 234.219,
        "design_z": 234.196,
        "delta_z": -0.023
      },
      {
        "ch": 513.9866,
        "easting": 450890.71,
        "northing": 6511707.28,
        "existing_z": 233.6046,
        "design_z": 233.6046,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD382",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 506.536,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 17.0,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450655.94,
          6512083.47
        ],
        "end": [
          451014.12,
          6511725.3
        ],
        "chainage_start": 0,
        "length": 506.53594275228056
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 72.36227753604008,
        "pvi_z": 282.6517578766548,
        "bvc": 39.79925264482205,
        "evc": 104.92530242725812,
        "length": 65.12604978243607,
        "g1": 0.042144563184979826,
        "g2": -0.06709033488691442,
        "z_bvc": 281.2794034166328,
        "K_m_per_percent": 5.962018634335393
      },
      {
        "pvi_ch": 144.72455507208016,
        "pvi_z": 277.79694844358204,
        "bvc": 113.84376637192949,
        "evc": 175.60534377223084,
        "length": 61.76157740030135,
        "g1": -0.06709033488691442,
        "g2": -0.17002629722075,
        "z_bvc": 279.8687508990472,
        "K_m_per_percent": 6.000000000000001
      },
      {
        "pvi_ch": 217.08683260812023,
        "pvi_z": 265.4934583356689,
        "bvc": 197.08683260812023,
        "evc": 237.08683260812023,
        "length": 40.0,
        "g1": -0.17002629722075,
        "g2": -0.13376477840604645,
        "z_bvc": 268.8939842800839,
        "K_m_per_percent": 11.030977550719843
      },
      {
        "pvi_ch": 289.44911014416033,
        "pvi_z": 255.81393431610365,
        "bvc": 269.44911014416033,
        "evc": 309.44911014416033,
        "length": 40.0,
        "g1": -0.13376477840604645,
        "g2": -0.08572565379755559,
        "z_bvc": 258.4892298842246,
        "K_m_per_percent": 8.326546398584885
      },
      {
        "pvi_ch": 361.8113876802004,
        "pvi_z": 249.61063076404645,
        "bvc": 341.8113876802004,
        "evc": 381.8113876802004,
        "length": 40.0,
        "g1": -0.08572565379755559,
        "g2": -0.10516369998856041,
        "z_bvc": 251.32514383999757,
        "K_m_per_percent": 20.578199890537586
      },
      {
        "pvi_ch": 434.17366521624047,
        "pvi_z": 242.0007459187574,
        "bvc": 404.73679887301694,
        "evc": 463.610531559464,
        "length": 58.87373268644707,
        "g1": -0.10516369998856041,
        "g2": -0.0070408121778152925,
        "z_bvc": 245.0964356994795,
        "K_m_per_percent": 6.0
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450655.94,
        "northing": 6512083.47,
        "existing_z": 279.6021,
        "design_z": 279.6021,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450663.0112,
        "northing": 6512076.399,
        "existing_z": 280.3951,
        "design_z": 280.0235,
        "delta_z": -0.3715
      },
      {
        "ch": 20.0,
        "easting": 450670.0823,
        "northing": 6512069.3281,
        "existing_z": 281.2156,
        "design_z": 280.445,
        "delta_z": -0.7707
      },
      {
        "ch": 30.0,
        "easting": 450677.1535,
        "northing": 6512062.2571,
        "existing_z": 281.865,
        "design_z": 280.8664,
        "delta_z": -0.9986
      },
      {
        "ch": 39.7993,
        "easting": 450684.0827,
        "northing": 6512055.3281,
        "existing_z": 282.5144,
        "design_z": 281.2794,
        "delta_z": -1.235
      },
      {
        "ch": 40.0,
        "easting": 450684.2247,
        "northing": 6512055.1861,
        "existing_z": 282.5278,
        "design_z": 281.2878,
        "delta_z": -1.24
      },
      {
        "ch": 50.0,
        "easting": 450691.2958,
        "northing": 6512048.1152,
        "existing_z": 283.1596,
        "design_z": 281.622,
        "delta_z": -1.5376
      },
      {
        "ch": 60.0,
        "easting": 450698.367,
        "northing": 6512041.0442,
        "existing_z": 283.6587,
        "design_z": 281.7885,
        "delta_z": -1.8702
      },
      {
        "ch": 70.0,
        "easting": 450705.4382,
        "northing": 6512033.9732,
        "existing_z": 284.1516,
        "design_z": 281.7873,
        "delta_z": -2.3643
      },
      {
        "ch": 72.3623,
        "easting": 450707.1086,
        "northing": 6512032.3029,
        "existing_z": 284.2671,
        "design_z": 281.7625,
        "delta_z": -2.5046
      },
      {
        "ch": 80.0,
        "easting": 450712.5093,
        "northing": 6512026.9022,
        "existing_z": 284.5275,
        "design_z": 281.6183,
        "delta_z": -2.9092
      },
      {
        "ch": 90.0,
        "easting": 450719.5805,
        "northing": 6512019.8313,
        "existing_z": 284.651,
        "design_z": 281.2816,
        "delta_z": -3.3694
      },
      {
        "ch": 100.0,
        "easting": 450726.6517,
        "northing": 6512012.7603,
        "existing_z": 284.6964,
        "design_z": 280.7772,
        "delta_z": -3.9192
      },
      {
        "ch": 104.9253,
        "easting": 450730.1344,
        "northing": 6512009.2776,
        "existing_z": 284.6626,
        "design_z": 280.4671,
        "delta_z": -4.1955
      },
      {
        "ch": 110.0,
        "easting": 450733.7228,
        "northing": 6512005.6893,
        "existing_z": 284.3166,
        "design_z": 280.1266,
        "delta_z": -4.19
      },
      {
        "ch": 113.8438,
        "easting": 450736.4408,
        "northing": 6512002.9714,
        "existing_z": 284.0169,
        "design_z": 279.8688,
        "delta_z": -4.1481
      },
      {
        "ch": 120.0,
        "easting": 450740.794,
        "northing": 6511998.6184,
        "existing_z": 283.4692,
        "design_z": 279.4241,
        "delta_z": -4.0451
      },
      {
        "ch": 130.0,
        "easting": 450747.8652,
        "northing": 6511991.5474,
        "existing_z": 282.402,
        "design_z": 278.5673,
        "delta_z": -3.8347
      },
      {
        "ch": 140.0,
        "easting": 450754.9363,
        "northing": 6511984.4764,
        "existing_z": 280.5543,
        "design_z": 277.5438,
        "delta_z": -3.0105
      },
      {
        "ch": 144.7246,
        "easting": 450758.2771,
        "northing": 6511981.1357,
        "existing_z": 279.5501,
        "design_z": 277.0023,
        "delta_z": -2.5478
      },
      {
        "ch": 150.0,
        "easting": 450762.0075,
        "northing": 6511977.4055,
        "existing_z": 278.4118,
        "design_z": 276.3536,
        "delta_z": -2.0582
      },
      {
        "ch": 160.0,
        "easting": 450769.0787,
        "northing": 6511970.3345,
        "existing_z": 276.2046,
        "design_z": 274.9968,
        "delta_z": -1.2078
      },
      {
        "ch": 170.0,
        "easting": 450776.1498,
        "northing": 6511963.2635,
        "existing_z": 273.9717,
        "design_z": 273.4733,
        "delta_z": -0.4984
      },
      {
        "ch": 175.6053,
        "easting": 450780.1135,
        "northing": 6511959.3,
        "existing_z": 272.764,
        "design_z": 272.5464,
        "delta_z": -0.2176
      },
      {
        "ch": 180.0,
        "easting": 450783.221,
        "northing": 6511956.1926,
        "existing_z": 271.8404,
        "design_z": 271.7992,
        "delta_z": -0.0412
      },
      {
        "ch": 190.0,
        "easting": 450790.2922,
        "northing": 6511949.1216,
        "existing_z": 269.8039,
        "design_z": 270.0989,
        "delta_z": 0.295
      },
      {
        "ch": 197.0868,
        "easting": 450795.3034,
        "northing": 6511944.1105,
        "existing_z": 268.3612,
        "design_z": 268.894,
        "delta_z": 0.5327
      },
      {
        "ch": 200.0,
        "easting": 450797.3633,
        "northing": 6511942.0506,
        "existing_z": 267.7861,
        "design_z": 268.4025,
        "delta_z": 0.6164
      },
      {
        "ch": 210.0,
        "easting": 450804.4345,
        "northing": 6511934.9796,
        "existing_z": 265.8915,
        "design_z": 266.774,
        "delta_z": 0.8825
      },
      {
        "ch": 217.0868,
        "easting": 450809.4457,
        "northing": 6511929.9686,
        "existing_z": 264.6235,
        "design_z": 265.6748,
        "delta_z": 1.0513
      },
      {
        "ch": 220.0,
        "easting": 450811.5057,
        "northing": 6511927.9087,
        "existing_z": 264.1103,
        "design_z": 265.2361,
        "delta_z": 1.1258
      },
      {
        "ch": 230.0,
        "easting": 450818.5768,
        "northing": 6511920.8377,
        "existing_z": 262.402,
        "design_z": 263.7889,
        "delta_z": 1.3869
      },
      {
        "ch": 237.0868,
        "easting": 450823.588,
        "northing": 6511915.8266,
        "existing_z": 261.2629,
        "design_z": 262.8182,
        "delta_z": 1.5553
      },
      {
        "ch": 240.0,
        "easting": 450825.648,
        "northing": 6511913.7667,
        "existing_z": 260.8119,
        "design_z": 262.4285,
        "delta_z": 1.6166
      },
      {
        "ch": 250.0,
        "easting": 450832.7192,
        "northing": 6511906.6958,
        "existing_z": 259.3744,
        "design_z": 261.0908,
        "delta_z": 1.7165
      },
      {
        "ch": 260.0,
        "easting": 450839.7903,
        "northing": 6511899.6248,
        "existing_z": 258.0759,
        "design_z": 259.7532,
        "delta_z": 1.6773
      },
      {
        "ch": 269.4491,
        "easting": 450846.472,
        "northing": 6511892.9434,
        "existing_z": 256.935,
        "design_z": 258.4892,
        "delta_z": 1.5542
      },
      {
        "ch": 270.0,
        "easting": 450846.8615,
        "northing": 6511892.5538,
        "existing_z": 256.8711,
        "design_z": 258.4157,
        "delta_z": 1.5447
      },
      {
        "ch": 280.0,
        "easting": 450853.9327,
        "northing": 6511885.4829,
        "existing_z": 255.8013,
        "design_z": 257.1447,
        "delta_z": 1.3434
      },
      {
        "ch": 289.4491,
        "easting": 450860.6143,
        "northing": 6511878.8014,
        "existing_z": 254.8641,
        "design_z": 256.0541,
        "delta_z": 1.1901
      },
      {
        "ch": 290.0,
        "easting": 450861.0038,
        "northing": 6511878.4119,
        "existing_z": 254.8103,
        "design_z": 255.9939,
        "delta_z": 1.1835
      },
      {
        "ch": 300.0,
        "easting": 450868.075,
        "northing": 6511871.3409,
        "existing_z": 253.8515,
        "design_z": 254.9631,
        "delta_z": 1.1116
      },
      {
        "ch": 309.4491,
        "easting": 450874.7566,
        "northing": 6511864.6595,
        "existing_z": 252.9712,
        "design_z": 254.0994,
        "delta_z": 1.1282
      },
      {
        "ch": 310.0,
        "easting": 450875.1462,
        "northing": 6511864.27,
        "existing_z": 252.9235,
        "design_z": 254.0522,
        "delta_z": 1.1287
      },
      {
        "ch": 320.0,
        "easting": 450882.2173,
        "northing": 6511857.199,
        "existing_z": 252.1247,
        "design_z": 253.1949,
        "delta_z": 1.0702
      },
      {
        "ch": 330.0,
        "easting": 450889.2885,
        "northing": 6511850.128,
        "existing_z": 251.4542,
        "design_z": 252.3377,
        "delta_z": 0.8835
      },
      {
        "ch": 340.0,
        "easting": 450896.3597,
        "northing": 6511843.0571,
        "existing_z": 251.0597,
        "design_z": 251.4804,
        "delta_z": 0.4207
      },
      {
        "ch": 341.8114,
        "easting": 450897.6405,
        "northing": 6511841.7762,
        "existing_z": 251.0127,
        "design_z": 251.3251,
        "delta_z": 0.3124
      },
      {
        "ch": 350.0,
        "easting": 450903.4308,
        "northing": 6511835.9861,
        "existing_z": 250.8845,
        "design_z": 250.6069,
        "delta_z": -0.2776
      },
      {
        "ch": 360.0,
        "easting": 450910.502,
        "northing": 6511828.9151,
        "existing_z": 250.8181,
        "design_z": 249.6855,
        "delta_z": -1.1326
      },
      {
        "ch": 361.8114,
        "easting": 450911.7829,
        "northing": 6511827.6343,
        "existing_z": 250.6922,
        "design_z": 249.5134,
        "delta_z": -1.1788
      },
      {
        "ch": 370.0,
        "easting": 450917.5732,
        "northing": 6511821.8441,
        "existing_z": 250.1564,
        "design_z": 248.7156,
        "delta_z": -1.4408
      },
      {
        "ch": 380.0,
        "easting": 450924.6443,
        "northing": 6511814.7732,
        "existing_z": 249.5762,
        "design_z": 247.6971,
        "delta_z": -1.8791
      },
      {
        "ch": 381.8114,
        "easting": 450925.9252,
        "northing": 6511813.4923,
        "existing_z": 249.4798,
        "design_z": 247.5074,
        "delta_z": -1.9725
      },
      {
        "ch": 390.0,
        "easting": 450931.7155,
        "northing": 6511807.7022,
        "existing_z": 248.5568,
        "design_z": 246.6462,
        "delta_z": -1.9106
      },
      {
        "ch": 400.0,
        "easting": 450938.7867,
        "northing": 6511800.6312,
        "existing_z": 246.2707,
        "design_z": 245.5946,
        "delta_z": -0.6761
      },
      {
        "ch": 404.7368,
        "easting": 450942.1361,
        "northing": 6511797.2819,
        "existing_z": 245.1852,
        "design_z": 245.0964,
        "delta_z": -0.0888
      },
      {
        "ch": 410.0,
        "easting": 450945.8578,
        "northing": 6511793.5603,
        "existing_z": 243.9772,
        "design_z": 244.566,
        "delta_z": 0.5888
      },
      {
        "ch": 420.0,
        "easting": 450952.929,
        "northing": 6511786.4893,
        "existing_z": 241.8763,
        "design_z": 243.6854,
        "delta_z": 1.8092
      },
      {
        "ch": 430.0,
        "easting": 450960.0002,
        "northing": 6511779.4183,
        "existing_z": 240.4068,
        "design_z": 242.9715,
        "delta_z": 2.5647
      },
      {
        "ch": 434.1737,
        "easting": 450962.9514,
        "northing": 6511776.4671,
        "existing_z": 239.9128,
        "design_z": 242.7229,
        "delta_z": 2.8101
      },
      {
        "ch": 440.0,
        "easting": 450967.0713,
        "northing": 6511772.3474,
        "existing_z": 239.3406,
        "design_z": 242.4243,
        "delta_z": 3.0837
      },
      {
        "ch": 450.0,
        "easting": 450974.1425,
        "northing": 6511765.2764,
        "existing_z": 239.1384,
        "design_z": 242.0437,
        "delta_z": 2.9053
      },
      {
        "ch": 460.0,
        "easting": 450981.2137,
        "northing": 6511758.2054,
        "existing_z": 239.461,
        "design_z": 241.8298,
        "delta_z": 2.3688
      },
      {
        "ch": 463.6105,
        "easting": 450983.7667,
        "northing": 6511755.6524,
        "existing_z": 239.6101,
        "design_z": 241.7935,
        "delta_z": 2.1834
      },
      {
        "ch": 470.0,
        "easting": 450988.2848,
        "northing": 6511751.1345,
        "existing_z": 239.9165,
        "design_z": 241.7485,
        "delta_z": 1.832
      },
      {
        "ch": 480.0,
        "easting": 450995.356,
        "northing": 6511744.0635,
        "existing_z": 240.3068,
        "design_z": 241.6781,
        "delta_z": 1.3713
      },
      {
        "ch": 490.0,
        "easting": 451002.4272,
        "northing": 6511736.9925,
        "existing_z": 240.7406,
        "design_z": 241.6077,
        "delta_z": 0.8671
      },
      {
        "ch": 500.0,
        "easting": 451009.4983,
        "northing": 6511729.9215,
        "existing_z": 241.2429,
        "design_z": 241.5373,
        "delta_z": 0.2944
      },
      {
        "ch": 506.5359,
        "easting": 451014.12,
        "northing": 6511725.3,
        "existing_z": 241.4913,
        "design_z": 241.4913,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD383",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 12.097,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.75,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451371.3286969253,
          6511911.328696925
        ],
        "end": [
          451370.5580527086,
          6511912.663452708
        ],
        "chainage_start": 0,
        "length": 1.5412545243648534
      },
      {
        "type": "ARC",
        "centre": [
          451371.5246106394,
          6511913.22151156
        ],
        "radius": 1.1160931480652,
        "start_angle_rad": -2.6179811758759417,
        "sweep_rad": -1.5707853192543155,
        "start": [
          451370.5580527086,
          6511912.663452708
        ],
        "end": [
          451370.96654114855,
          6511914.188063348
        ],
        "chainage_start": 1.5412545243648534,
        "length": 1.7531427319011494,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451370.96654114855,
          6511914.188063348
        ],
        "end": [
          451378.58931467985,
          6511918.58931468
        ],
        "chainage_start": 3.294397256266003,
        "length": 8.802141193827413
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451371.3287,
        "northing": 6511911.3287,
        "existing_z": 237.0831,
        "design_z": 237.0831,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451376.7737,
        "northing": 6511917.541,
        "existing_z": 236.6262,
        "design_z": 236.6078,
        "delta_z": -0.0184
      },
      {
        "ch": 12.0965,
        "easting": 451378.5893,
        "northing": 6511918.5893,
        "existing_z": 236.5081,
        "design_z": 236.5081,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD384",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 10.268,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.6,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451371.3286969253,
          6511911.328696925
        ],
        "end": [
          451378.58931467985,
          6511918.58931468
        ],
        "chainage_start": 0,
        "length": 10.268064099592978
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451371.3287,
        "northing": 6511911.3287,
        "existing_z": 237.0831,
        "design_z": 237.0831,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451378.3998,
        "northing": 6511918.3998,
        "existing_z": 236.5235,
        "design_z": 236.5231,
        "delta_z": -0.0004
      },
      {
        "ch": 10.2681,
        "easting": 451378.5893,
        "northing": 6511918.5893,
        "existing_z": 236.5081,
        "design_z": 236.5081,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD385",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 139.496,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 2.53,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451610.0,
          6511970.0
        ],
        "end": [
          451652.806097422,
          6511927.193902578
        ],
        "chainage_start": 0,
        "length": 60.536963526331284
      },
      {
        "type": "ARC",
        "centre": [
          451616.74087271054,
          6511891.128677866
        ],
        "radius": 51.0039299170254,
        "start_angle_rad": 0.7853981634014832,
        "sweep_rad": -0.8897416868731206,
        "start": [
          451652.806097422,
          6511927.193902578
        ],
        "end": [
          451667.4674,
          6511885.8164
        ],
        "chainage_start": 60.536963526331284,
        "length": 45.3803226415326,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451667.4674,
          6511885.8164
        ],
        "end": [
          451663.97000000003,
          6511852.42
        ],
        "chainage_start": 105.91728616786389,
        "length": 33.57903125043753
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 69.74815870915072,
        "pvi_z": 222.41209752451084,
        "bvc": 49.748158709150715,
        "evc": 89.74815870915072,
        "length": 40.0,
        "g1": -0.02529017478810947,
        "g2": 0.004049160919582184,
        "z_bvc": 222.91790102027304,
        "K_m_per_percent": 13.633573847247511
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451610.0,
        "northing": 6511970.0,
        "existing_z": 224.176,
        "design_z": 224.176,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451617.0711,
        "northing": 6511962.9289,
        "existing_z": 223.9731,
        "design_z": 223.9231,
        "delta_z": -0.05
      },
      {
        "ch": 20.0,
        "easting": 451624.1421,
        "northing": 6511955.8579,
        "existing_z": 223.6798,
        "design_z": 223.6702,
        "delta_z": -0.0096
      },
      {
        "ch": 30.0,
        "easting": 451631.2132,
        "northing": 6511948.7868,
        "existing_z": 223.3279,
        "design_z": 223.4173,
        "delta_z": 0.0894
      },
      {
        "ch": 40.0,
        "easting": 451638.2843,
        "northing": 6511941.7157,
        "existing_z": 223.0372,
        "design_z": 223.1644,
        "delta_z": 0.1272
      },
      {
        "ch": 49.7482,
        "easting": 451645.1773,
        "northing": 6511934.8227,
        "existing_z": 222.6641,
        "design_z": 222.9179,
        "delta_z": 0.2538
      },
      {
        "ch": 50.0,
        "easting": 451645.3553,
        "northing": 6511934.6447,
        "existing_z": 222.6532,
        "design_z": 222.9116,
        "delta_z": 0.2583
      },
      {
        "ch": 60.0,
        "easting": 451652.4264,
        "northing": 6511927.5736,
        "existing_z": 222.2397,
        "design_z": 222.6972,
        "delta_z": 0.4574
      },
      {
        "ch": 69.7482,
        "easting": 451658.6975,
        "northing": 6511920.1294,
        "existing_z": 221.8939,
        "design_z": 222.5588,
        "delta_z": 0.6649
      },
      {
        "ch": 70.0,
        "easting": 451658.8402,
        "northing": 6511919.9219,
        "existing_z": 221.8848,
        "design_z": 222.5561,
        "delta_z": 0.6714
      },
      {
        "ch": 80.0,
        "easting": 451663.6428,
        "northing": 6511911.1689,
        "existing_z": 221.5241,
        "design_z": 222.4885,
        "delta_z": 0.9644
      },
      {
        "ch": 89.7482,
        "easting": 451666.5957,
        "northing": 6511901.8943,
        "existing_z": 221.4484,
        "design_z": 222.4931,
        "delta_z": 1.0447
      },
      {
        "ch": 90.0,
        "easting": 451666.6482,
        "northing": 6511901.648,
        "existing_z": 221.4487,
        "design_z": 222.4941,
        "delta_z": 1.0454
      },
      {
        "ch": 100.0,
        "easting": 451667.7413,
        "northing": 6511891.724,
        "existing_z": 221.5235,
        "design_z": 222.5346,
        "delta_z": 1.0111
      },
      {
        "ch": 110.0,
        "easting": 451667.0422,
        "northing": 6511881.7559,
        "existing_z": 221.7925,
        "design_z": 222.5751,
        "delta_z": 0.7826
      },
      {
        "ch": 120.0,
        "easting": 451666.0006,
        "northing": 6511871.8103,
        "existing_z": 222.1125,
        "design_z": 222.6156,
        "delta_z": 0.5031
      },
      {
        "ch": 130.0,
        "easting": 451664.9591,
        "northing": 6511861.8647,
        "existing_z": 222.4083,
        "design_z": 222.6561,
        "delta_z": 0.2478
      },
      {
        "ch": 139.4963,
        "easting": 451663.97,
        "northing": 6511852.42,
        "existing_z": 222.6945,
        "design_z": 222.6945,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD386",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 297.982,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.4,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451663.97000000003,
          6511852.42
        ],
        "end": [
          451922.03,
          6512001.41
        ],
        "chainage_start": 0,
        "length": 297.9815157020069
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 74.49537892550173,
        "pvi_z": 219.17466146835517,
        "bvc": 41.162255303965324,
        "evc": 107.82850254703813,
        "length": 66.6662472430728,
        "g1": -0.04724934117233736,
        "g2": 0.06386107089945066,
        "z_bvc": 220.74962959868884,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 148.99075785100345,
        "pvi_z": 223.93201614359808,
        "bvc": 128.99075785100345,
        "evc": 168.99075785100345,
        "length": 40.0,
        "g1": 0.06386107089945066,
        "g2": 0.11404102596449925,
        "z_bvc": 222.65479472560907,
        "K_m_per_percent": 7.971310446202621
      },
      {
        "pvi_ch": 223.4861367765052,
        "pvi_z": 232.42754558587643,
        "bvc": 203.4861367765052,
        "evc": 243.4861367765052,
        "length": 40.0,
        "g1": 0.11404102596449925,
        "g2": 0.10844763746782093,
        "z_bvc": 230.14672506658644,
        "K_m_per_percent": 71.5130015083958
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451663.97,
        "northing": 6511852.42,
        "existing_z": 222.6945,
        "design_z": 222.6945,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451672.6303,
        "northing": 6511857.42,
        "existing_z": 221.7258,
        "design_z": 222.222,
        "delta_z": 0.4962
      },
      {
        "ch": 20.0,
        "easting": 451681.2905,
        "northing": 6511862.4199,
        "existing_z": 220.7892,
        "design_z": 221.7495,
        "delta_z": 0.9604
      },
      {
        "ch": 30.0,
        "easting": 451689.9508,
        "northing": 6511867.4199,
        "existing_z": 219.9108,
        "design_z": 221.277,
        "delta_z": 1.3662
      },
      {
        "ch": 40.0,
        "easting": 451698.6111,
        "northing": 6511872.4199,
        "existing_z": 219.098,
        "design_z": 220.8045,
        "delta_z": 1.7065
      },
      {
        "ch": 41.1623,
        "easting": 451699.6176,
        "northing": 6511873.001,
        "existing_z": 219.0073,
        "design_z": 220.7496,
        "delta_z": 1.7424
      },
      {
        "ch": 50.0,
        "easting": 451707.2713,
        "northing": 6511877.4199,
        "existing_z": 218.3486,
        "design_z": 220.3971,
        "delta_z": 2.0486
      },
      {
        "ch": 60.0,
        "easting": 451715.9316,
        "northing": 6511882.4198,
        "existing_z": 217.7742,
        "design_z": 220.1553,
        "delta_z": 2.3811
      },
      {
        "ch": 70.0,
        "easting": 451724.5919,
        "northing": 6511887.4198,
        "existing_z": 217.3449,
        "design_z": 220.0801,
        "delta_z": 2.7352
      },
      {
        "ch": 74.4954,
        "easting": 451728.485,
        "northing": 6511889.6675,
        "existing_z": 217.1853,
        "design_z": 220.1006,
        "delta_z": 2.9153
      },
      {
        "ch": 80.0,
        "easting": 451733.2521,
        "northing": 6511892.4198,
        "existing_z": 217.2661,
        "design_z": 220.1715,
        "delta_z": 2.9054
      },
      {
        "ch": 90.0,
        "easting": 451741.9124,
        "northing": 6511897.4198,
        "existing_z": 217.6717,
        "design_z": 220.4297,
        "delta_z": 2.758
      },
      {
        "ch": 100.0,
        "easting": 451750.5727,
        "northing": 6511902.4197,
        "existing_z": 218.2255,
        "design_z": 220.8545,
        "delta_z": 2.629
      },
      {
        "ch": 107.8285,
        "easting": 451757.3524,
        "northing": 6511906.334,
        "existing_z": 218.9621,
        "design_z": 221.3034,
        "delta_z": 2.3413
      },
      {
        "ch": 110.0,
        "easting": 451759.233,
        "northing": 6511907.4197,
        "existing_z": 219.1714,
        "design_z": 221.442,
        "delta_z": 2.2706
      },
      {
        "ch": 120.0,
        "easting": 451767.8932,
        "northing": 6511912.4197,
        "existing_z": 220.1835,
        "design_z": 222.0806,
        "delta_z": 1.8972
      },
      {
        "ch": 128.9908,
        "easting": 451775.6795,
        "northing": 6511916.9151,
        "existing_z": 221.1611,
        "design_z": 222.6548,
        "delta_z": 1.4937
      },
      {
        "ch": 130.0,
        "easting": 451776.5535,
        "northing": 6511917.4197,
        "existing_z": 221.2723,
        "design_z": 222.7199,
        "delta_z": 1.4475
      },
      {
        "ch": 140.0,
        "easting": 451785.2138,
        "northing": 6511922.4196,
        "existing_z": 222.3707,
        "design_z": 223.4339,
        "delta_z": 1.0632
      },
      {
        "ch": 148.9908,
        "easting": 451793.0,
        "northing": 6511926.915,
        "existing_z": 223.3688,
        "design_z": 224.1829,
        "delta_z": 0.8141
      },
      {
        "ch": 150.0,
        "easting": 451793.874,
        "northing": 6511927.4196,
        "existing_z": 223.4844,
        "design_z": 224.2733,
        "delta_z": 0.7889
      },
      {
        "ch": 160.0,
        "easting": 451802.5343,
        "northing": 6511932.4196,
        "existing_z": 224.6621,
        "design_z": 225.2382,
        "delta_z": 0.5761
      },
      {
        "ch": 168.9908,
        "easting": 451810.3205,
        "northing": 6511936.9149,
        "existing_z": 225.7595,
        "design_z": 226.2128,
        "delta_z": 0.4533
      },
      {
        "ch": 170.0,
        "easting": 451811.1946,
        "northing": 6511937.4196,
        "existing_z": 225.8841,
        "design_z": 226.3279,
        "delta_z": 0.4439
      },
      {
        "ch": 180.0,
        "easting": 451819.8548,
        "northing": 6511942.4195,
        "existing_z": 227.1352,
        "design_z": 227.4683,
        "delta_z": 0.3331
      },
      {
        "ch": 190.0,
        "easting": 451828.5151,
        "northing": 6511947.4195,
        "existing_z": 228.4174,
        "design_z": 228.6088,
        "delta_z": 0.1914
      },
      {
        "ch": 200.0,
        "easting": 451837.1754,
        "northing": 6511952.4195,
        "existing_z": 229.6828,
        "design_z": 229.7492,
        "delta_z": 0.0663
      },
      {
        "ch": 203.4861,
        "easting": 451840.1945,
        "northing": 6511954.1626,
        "existing_z": 230.1324,
        "design_z": 230.1467,
        "delta_z": 0.0143
      },
      {
        "ch": 210.0,
        "easting": 451845.8356,
        "northing": 6511957.4195,
        "existing_z": 230.9829,
        "design_z": 230.8866,
        "delta_z": -0.0963
      },
      {
        "ch": 220.0,
        "easting": 451854.4959,
        "northing": 6511962.4194,
        "existing_z": 232.2631,
        "design_z": 232.0109,
        "delta_z": -0.2522
      },
      {
        "ch": 223.4861,
        "easting": 451857.515,
        "northing": 6511964.1625,
        "existing_z": 232.6996,
        "design_z": 232.3996,
        "delta_z": -0.3
      },
      {
        "ch": 230.0,
        "easting": 451863.1562,
        "northing": 6511967.4194,
        "existing_z": 233.5244,
        "design_z": 233.1212,
        "delta_z": -0.4032
      },
      {
        "ch": 240.0,
        "easting": 451871.8164,
        "northing": 6511972.4194,
        "existing_z": 234.7907,
        "design_z": 234.2176,
        "delta_z": -0.5731
      },
      {
        "ch": 243.4861,
        "easting": 451874.8355,
        "northing": 6511974.1624,
        "existing_z": 235.199,
        "design_z": 234.5965,
        "delta_z": -0.6025
      },
      {
        "ch": 250.0,
        "easting": 451880.4767,
        "northing": 6511977.4194,
        "existing_z": 235.9668,
        "design_z": 235.3029,
        "delta_z": -0.6639
      },
      {
        "ch": 260.0,
        "easting": 451889.137,
        "northing": 6511982.4193,
        "existing_z": 237.1577,
        "design_z": 236.3874,
        "delta_z": -0.7703
      },
      {
        "ch": 270.0,
        "easting": 451897.7973,
        "northing": 6511987.4193,
        "existing_z": 238.14,
        "design_z": 237.4719,
        "delta_z": -0.6682
      },
      {
        "ch": 280.0,
        "easting": 451906.4575,
        "northing": 6511992.4193,
        "existing_z": 239.1214,
        "design_z": 238.5563,
        "delta_z": -0.565
      },
      {
        "ch": 290.0,
        "easting": 451915.1178,
        "northing": 6511997.4193,
        "existing_z": 239.9465,
        "design_z": 239.6408,
        "delta_z": -0.3057
      },
      {
        "ch": 297.9815,
        "easting": 451922.03,
        "northing": 6512001.41,
        "existing_z": 240.5064,
        "design_z": 240.5064,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD387",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 35.993,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.14,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451378.58931467985,
          6511918.58931468
        ],
        "end": [
          451409.7598484531,
          6511936.586616151
        ],
        "chainage_start": 0,
        "length": 35.99312484298752
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451378.5893,
        "northing": 6511918.5893,
        "existing_z": 236.5081,
        "design_z": 236.5081,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451387.2495,
        "northing": 6511923.5895,
        "existing_z": 235.9297,
        "design_z": 235.994,
        "delta_z": 0.0642
      },
      {
        "ch": 20.0,
        "easting": 451395.9096,
        "northing": 6511928.5897,
        "existing_z": 235.3508,
        "design_z": 235.4798,
        "delta_z": 0.129
      },
      {
        "ch": 30.0,
        "easting": 451404.5697,
        "northing": 6511933.5899,
        "existing_z": 234.9047,
        "design_z": 234.9657,
        "delta_z": 0.061
      },
      {
        "ch": 35.9931,
        "easting": 451409.7598,
        "northing": 6511936.5866,
        "existing_z": 234.6575,
        "design_z": 234.6575,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD388",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 36.722,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.04,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451378.58931467985,
          6511918.58931468
        ],
        "end": [
          451385.20751216554,
          6511925.207512165
        ],
        "chainage_start": 0,
        "length": 9.359544642806007
      },
      {
        "type": "ARC",
        "centre": [
          451405.50881641364,
          6511904.906207918
        ],
        "radius": 28.71037980120524,
        "start_angle_rad": 2.356194490213849,
        "sweep_rad": -0.46364760901100865,
        "start": [
          451385.20751216554,
          6511925.207512165
        ],
        "end": [
          451396.4297971476,
          6511932.143265716
        ],
        "chainage_start": 9.359544642806007,
        "length": 13.311498948626767,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451396.4297971473,
          6511932.143265716
        ],
        "end": [
          451409.7598484531,
          6511936.586616151
        ],
        "chainage_start": 22.671043591432774,
        "length": 14.051107817752282
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451378.5893,
        "northing": 6511918.5893,
        "existing_z": 236.5081,
        "design_z": 236.5081,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451385.6654,
        "northing": 6511925.6553,
        "existing_z": 235.9188,
        "design_z": 236.0042,
        "delta_z": 0.0854
      },
      {
        "ch": 20.0,
        "easting": 451393.9387,
        "northing": 6511931.182,
        "existing_z": 235.374,
        "design_z": 235.5002,
        "delta_z": 0.1262
      },
      {
        "ch": 30.0,
        "easting": 451403.3827,
        "northing": 6511934.4609,
        "existing_z": 234.9537,
        "design_z": 234.9963,
        "delta_z": 0.0426
      },
      {
        "ch": 36.7222,
        "easting": 451409.7598,
        "northing": 6511936.5866,
        "existing_z": 234.6575,
        "design_z": 234.6575,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD389",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 176.434,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 7.13,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450870.0,
          6512010.832667423
        ],
        "end": [
          450870.0,
          6512010.349720318
        ],
        "chainage_start": 0,
        "length": 0.4829471055418253
      },
      {
        "type": "ARC",
        "centre": [
          450870.8403019339,
          6512010.349720318
        ],
        "radius": 0.8403019338681766,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.7887597643108324,
        "start": [
          450870.0,
          6512010.349720318
        ],
        "end": [
          450870.2481194984,
          6512009.753543076
        ],
        "chainage_start": 0.4829471055418253,
        "length": 0.6627963553077997,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450870.2481194984,
          6512009.753543076
        ],
        "end": [
          450994.6117454495,
          6511886.22324072
        ],
        "chainage_start": 1.145743460849625,
        "length": 175.28846813141345
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 58.81140386408769,
        "pvi_z": 252.66906254887977,
        "bvc": 38.81140386408769,
        "evc": 78.81140386408768,
        "length": 40.0,
        "g1": -0.07126037685425599,
        "g2": -0.04606444944206905,
        "z_bvc": 254.0942700859649,
        "K_m_per_percent": 15.875581535709825
      },
      {
        "pvi_ch": 117.62280772817537,
        "pvi_z": 249.9599476089654,
        "bvc": 97.62280772817537,
        "evc": 137.62280772817536,
        "length": 40.0,
        "g1": -0.04606444944206905,
        "g2": -0.004514253762185919,
        "z_bvc": 250.88123659780678,
        "K_m_per_percent": 9.626910137360998
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450870.0,
        "northing": 6512010.8327,
        "existing_z": 256.86,
        "design_z": 256.86,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450876.53,
        "northing": 6512003.5137,
        "existing_z": 256.0672,
        "design_z": 256.1474,
        "delta_z": 0.0802
      },
      {
        "ch": 20.0,
        "easting": 450883.6248,
        "northing": 6511996.4665,
        "existing_z": 255.1816,
        "design_z": 255.4348,
        "delta_z": 0.2532
      },
      {
        "ch": 30.0,
        "easting": 450890.7196,
        "northing": 6511989.4192,
        "existing_z": 254.269,
        "design_z": 254.7222,
        "delta_z": 0.4532
      },
      {
        "ch": 38.8114,
        "easting": 450896.9711,
        "northing": 6511983.2096,
        "existing_z": 253.7644,
        "design_z": 254.0943,
        "delta_z": 0.3298
      },
      {
        "ch": 40.0,
        "easting": 450897.8144,
        "northing": 6511982.3719,
        "existing_z": 253.6916,
        "design_z": 254.01,
        "delta_z": 0.3184
      },
      {
        "ch": 50.0,
        "easting": 450904.9092,
        "northing": 6511975.3247,
        "existing_z": 253.0342,
        "design_z": 253.3364,
        "delta_z": 0.3022
      },
      {
        "ch": 58.8114,
        "easting": 450911.1607,
        "northing": 6511969.1151,
        "existing_z": 252.4389,
        "design_z": 252.795,
        "delta_z": 0.3562
      },
      {
        "ch": 60.0,
        "easting": 450912.004,
        "northing": 6511968.2774,
        "existing_z": 252.3831,
        "design_z": 252.7258,
        "delta_z": 0.3427
      },
      {
        "ch": 70.0,
        "easting": 450919.0988,
        "northing": 6511961.2302,
        "existing_z": 251.8544,
        "design_z": 252.1781,
        "delta_z": 0.3237
      },
      {
        "ch": 78.8114,
        "easting": 450925.3503,
        "northing": 6511955.0206,
        "existing_z": 251.3009,
        "design_z": 251.7478,
        "delta_z": 0.4469
      },
      {
        "ch": 80.0,
        "easting": 450926.1936,
        "northing": 6511954.1829,
        "existing_z": 251.2199,
        "design_z": 251.693,
        "delta_z": 0.4731
      },
      {
        "ch": 90.0,
        "easting": 450933.2884,
        "northing": 6511947.1357,
        "existing_z": 250.6376,
        "design_z": 251.2324,
        "delta_z": 0.5947
      },
      {
        "ch": 97.6228,
        "easting": 450938.6966,
        "northing": 6511941.7637,
        "existing_z": 250.2894,
        "design_z": 250.8812,
        "delta_z": 0.5918
      },
      {
        "ch": 100.0,
        "easting": 450940.3832,
        "northing": 6511940.0884,
        "existing_z": 250.1745,
        "design_z": 250.7747,
        "delta_z": 0.6002
      },
      {
        "ch": 110.0,
        "easting": 450947.478,
        "northing": 6511933.0411,
        "existing_z": 249.658,
        "design_z": 250.3907,
        "delta_z": 0.7326
      },
      {
        "ch": 117.6228,
        "easting": 450952.8862,
        "northing": 6511927.6692,
        "existing_z": 249.3824,
        "design_z": 250.1677,
        "delta_z": 0.7853
      },
      {
        "ch": 120.0,
        "easting": 450954.5728,
        "northing": 6511925.9939,
        "existing_z": 249.3381,
        "design_z": 250.1105,
        "delta_z": 0.7724
      },
      {
        "ch": 130.0,
        "easting": 450961.6676,
        "northing": 6511918.9466,
        "existing_z": 249.1559,
        "design_z": 249.9343,
        "delta_z": 0.7784
      },
      {
        "ch": 137.6228,
        "easting": 450967.0758,
        "northing": 6511913.5746,
        "existing_z": 249.0215,
        "design_z": 249.8697,
        "delta_z": 0.8482
      },
      {
        "ch": 140.0,
        "easting": 450968.7624,
        "northing": 6511911.8994,
        "existing_z": 248.9804,
        "design_z": 249.8589,
        "delta_z": 0.8786
      },
      {
        "ch": 150.0,
        "easting": 450975.8572,
        "northing": 6511904.8521,
        "existing_z": 249.0465,
        "design_z": 249.8138,
        "delta_z": 0.7672
      },
      {
        "ch": 160.0,
        "easting": 450982.952,
        "northing": 6511897.8049,
        "existing_z": 249.2029,
        "design_z": 249.7686,
        "delta_z": 0.5657
      },
      {
        "ch": 170.0,
        "easting": 450990.0468,
        "northing": 6511890.7576,
        "existing_z": 249.4108,
        "design_z": 249.7235,
        "delta_z": 0.3128
      },
      {
        "ch": 176.4342,
        "easting": 450994.6117,
        "northing": 6511886.2232,
        "existing_z": 249.6945,
        "design_z": 249.6945,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD390",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 176.226,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 7.12,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450870.0,
          6512010.832667423
        ],
        "end": [
          450994.6117454495,
          6511886.22324072
        ],
        "chainage_start": 0,
        "length": 176.22598085212204
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 58.741993617374014,
        "pvi_z": 252.67570783667804,
        "bvc": 38.741993617374014,
        "evc": 78.74199361737402,
        "length": 40.0,
        "g1": -0.0712314522748319,
        "g2": -0.046031898406435366,
        "z_bvc": 254.10033688217467,
        "K_m_per_percent": 15.873296888071154
      },
      {
        "pvi_ch": 117.48398723474803,
        "pvi_z": 249.9717023542916,
        "bvc": 97.48398723474803,
        "evc": 137.48398723474804,
        "length": 40.0,
        "g1": -0.046031898406435366,
        "g2": -0.004719695900772222,
        "z_bvc": 250.89234032242032,
        "K_m_per_percent": 9.682369269592135
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450870.0,
        "northing": 6512010.8327,
        "existing_z": 256.86,
        "design_z": 256.86,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450877.0711,
        "northing": 6512003.7617,
        "existing_z": 256.033,
        "design_z": 256.1477,
        "delta_z": 0.1147
      },
      {
        "ch": 20.0,
        "easting": 450884.1423,
        "northing": 6511996.6907,
        "existing_z": 255.1469,
        "design_z": 255.4354,
        "delta_z": 0.2885
      },
      {
        "ch": 30.0,
        "easting": 450891.2134,
        "northing": 6511989.6197,
        "existing_z": 254.2575,
        "design_z": 254.723,
        "delta_z": 0.4655
      },
      {
        "ch": 38.742,
        "easting": 450897.395,
        "northing": 6511983.4382,
        "existing_z": 253.7558,
        "design_z": 254.1003,
        "delta_z": 0.3446
      },
      {
        "ch": 40.0,
        "easting": 450898.2845,
        "northing": 6511982.5487,
        "existing_z": 253.6785,
        "design_z": 254.0112,
        "delta_z": 0.3327
      },
      {
        "ch": 50.0,
        "easting": 450905.3557,
        "northing": 6511975.4777,
        "existing_z": 253.0195,
        "design_z": 253.3383,
        "delta_z": 0.3189
      },
      {
        "ch": 58.742,
        "easting": 450911.5372,
        "northing": 6511969.2962,
        "existing_z": 252.4449,
        "design_z": 252.8017,
        "delta_z": 0.3569
      },
      {
        "ch": 60.0,
        "easting": 450912.4268,
        "northing": 6511968.4067,
        "existing_z": 252.3854,
        "design_z": 252.7284,
        "delta_z": 0.343
      },
      {
        "ch": 70.0,
        "easting": 450919.4979,
        "northing": 6511961.3357,
        "existing_z": 251.8535,
        "design_z": 252.1816,
        "delta_z": 0.3281
      },
      {
        "ch": 78.742,
        "easting": 450925.6795,
        "northing": 6511955.1542,
        "existing_z": 251.3018,
        "design_z": 251.7551,
        "delta_z": 0.4532
      },
      {
        "ch": 80.0,
        "easting": 450926.5691,
        "northing": 6511954.2647,
        "existing_z": 251.2158,
        "design_z": 251.6972,
        "delta_z": 0.4814
      },
      {
        "ch": 90.0,
        "easting": 450933.6402,
        "northing": 6511947.1936,
        "existing_z": 250.6454,
        "design_z": 251.2368,
        "delta_z": 0.5914
      },
      {
        "ch": 97.484,
        "easting": 450938.9322,
        "northing": 6511941.9017,
        "existing_z": 250.3015,
        "design_z": 250.8923,
        "delta_z": 0.5908
      },
      {
        "ch": 100.0,
        "easting": 450940.7113,
        "northing": 6511940.1226,
        "existing_z": 250.1792,
        "design_z": 250.7798,
        "delta_z": 0.6006
      },
      {
        "ch": 110.0,
        "easting": 450947.7825,
        "northing": 6511933.0516,
        "existing_z": 249.6597,
        "design_z": 250.3971,
        "delta_z": 0.7374
      },
      {
        "ch": 117.484,
        "easting": 450953.0745,
        "northing": 6511927.7597,
        "existing_z": 249.3986,
        "design_z": 250.1783,
        "delta_z": 0.7797
      },
      {
        "ch": 120.0,
        "easting": 450954.8536,
        "northing": 6511925.9806,
        "existing_z": 249.351,
        "design_z": 250.1177,
        "delta_z": 0.7667
      },
      {
        "ch": 130.0,
        "easting": 450961.9247,
        "northing": 6511918.9096,
        "existing_z": 249.1659,
        "design_z": 249.9416,
        "delta_z": 0.7756
      },
      {
        "ch": 137.484,
        "easting": 450967.2168,
        "northing": 6511913.6177,
        "existing_z": 249.0318,
        "design_z": 249.8773,
        "delta_z": 0.8455
      },
      {
        "ch": 140.0,
        "easting": 450968.9959,
        "northing": 6511911.8386,
        "existing_z": 248.9876,
        "design_z": 249.8654,
        "delta_z": 0.8779
      },
      {
        "ch": 150.0,
        "easting": 450976.067,
        "northing": 6511904.7676,
        "existing_z": 249.0603,
        "design_z": 249.8182,
        "delta_z": 0.758
      },
      {
        "ch": 160.0,
        "easting": 450983.1381,
        "northing": 6511897.6966,
        "existing_z": 249.2135,
        "design_z": 249.771,
        "delta_z": 0.5575
      },
      {
        "ch": 170.0,
        "easting": 450990.2093,
        "northing": 6511890.6256,
        "existing_z": 249.4227,
        "design_z": 249.7238,
        "delta_z": 0.3011
      },
      {
        "ch": 176.226,
        "easting": 450994.6117,
        "northing": 6511886.2232,
        "existing_z": 249.6945,
        "design_z": 249.6945,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD391",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 74.783,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.46,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451409.7598484531,
          6511936.586616151
        ],
        "end": [
          451436.9059718629,
          6511945.635323955
        ],
        "chainage_start": 0,
        "length": 28.614526539797435
      },
      {
        "type": "ARC",
        "centre": [
          451418.41690743325,
          6512001.1025172435
        ],
        "radius": 58.46755540327651,
        "start_angle_rad": -1.2490457723969952,
        "sweep_rad": 0.4636476089945437,
        "start": [
          451436.9059718629,
          6511945.635323955
        ],
        "end": [
          451459.75971233804,
          6511959.7597123375
        ],
        "chainage_start": 28.614526539797435,
        "length": 27.10834226648517,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451459.7597123381,
          6511959.759712338
        ],
        "end": [
          451473.23741032864,
          6511973.237410328
        ],
        "chainage_start": 55.722868806282605,
        "length": 19.060343287342725
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451409.7598,
        "northing": 6511936.5866,
        "existing_z": 234.6575,
        "design_z": 234.6575,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451419.2467,
        "northing": 6511939.7489,
        "existing_z": 234.1923,
        "design_z": 234.2117,
        "delta_z": 0.0194
      },
      {
        "ch": 20.0,
        "easting": 451428.7335,
        "northing": 6511942.9112,
        "existing_z": 233.7003,
        "design_z": 233.7658,
        "delta_z": 0.0656
      },
      {
        "ch": 30.0,
        "easting": 451438.215,
        "northing": 6511946.089,
        "existing_z": 233.1602,
        "design_z": 233.32,
        "delta_z": 0.1597
      },
      {
        "ch": 40.0,
        "easting": 451447.2896,
        "northing": 6511950.2614,
        "existing_z": 232.5959,
        "design_z": 232.8741,
        "delta_z": 0.2782
      },
      {
        "ch": 50.0,
        "easting": 451455.5216,
        "northing": 6511955.9174,
        "existing_z": 232.2112,
        "design_z": 232.4283,
        "delta_z": 0.2171
      },
      {
        "ch": 60.0,
        "easting": 451462.7841,
        "northing": 6511962.7841,
        "existing_z": 231.8359,
        "design_z": 231.9825,
        "delta_z": 0.1466
      },
      {
        "ch": 70.0,
        "easting": 451469.8552,
        "northing": 6511969.8552,
        "existing_z": 231.4158,
        "design_z": 231.5366,
        "delta_z": 0.1208
      },
      {
        "ch": 74.7832,
        "easting": 451473.2374,
        "northing": 6511973.2374,
        "existing_z": 231.3233,
        "design_z": 231.3233,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD392",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 73.299,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.55,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451409.7598484531,
          6511936.586616151
        ],
        "end": [
          451473.23741032864,
          6511973.237410328
        ],
        "chainage_start": 0,
        "length": 73.29857826377454
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451409.7598,
        "northing": 6511936.5866,
        "existing_z": 234.6575,
        "design_z": 234.6575,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451418.42,
        "northing": 6511941.5868,
        "existing_z": 234.2129,
        "design_z": 234.2026,
        "delta_z": -0.0102
      },
      {
        "ch": 20.0,
        "easting": 451427.0801,
        "northing": 6511946.587,
        "existing_z": 233.7295,
        "design_z": 233.7478,
        "delta_z": 0.0183
      },
      {
        "ch": 30.0,
        "easting": 451435.7403,
        "northing": 6511951.5872,
        "existing_z": 233.2636,
        "design_z": 233.2929,
        "delta_z": 0.0293
      },
      {
        "ch": 40.0,
        "easting": 451444.4004,
        "northing": 6511956.5874,
        "existing_z": 232.8985,
        "design_z": 232.838,
        "delta_z": -0.0605
      },
      {
        "ch": 50.0,
        "easting": 451453.0605,
        "northing": 6511961.5876,
        "existing_z": 232.467,
        "design_z": 232.3831,
        "delta_z": -0.0839
      },
      {
        "ch": 60.0,
        "easting": 451461.7207,
        "northing": 6511966.5878,
        "existing_z": 231.9551,
        "design_z": 231.9283,
        "delta_z": -0.0268
      },
      {
        "ch": 70.0,
        "easting": 451470.3808,
        "northing": 6511971.5881,
        "existing_z": 231.4507,
        "design_z": 231.4734,
        "delta_z": 0.0227
      },
      {
        "ch": 73.2986,
        "easting": 451473.2374,
        "northing": 6511973.2374,
        "existing_z": 231.3233,
        "design_z": 231.3233,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD393",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 120.976,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.34,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451494.4910963972,
          6511985.508903603
        ],
        "end": [
          451503.4862604868,
          6511976.513739513
        ],
        "chainage_start": 0,
        "length": 12.721083051453128
      },
      {
        "type": "ARC",
        "centre": [
          451519.21181876137,
          6511992.239297788
        ],
        "radius": 22.239297787533676,
        "start_angle_rad": -2.3561944901960463,
        "sweep_rad": 0.7853981634068313,
        "start": [
          451503.4862604868,
          6511976.513739513
        ],
        "end": [
          451519.21181876137,
          6511970.0
        ],
        "chainage_start": 12.721083051453128,
        "length": 17.466703637786555,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451519.2118187615,
          6511970.0
        ],
        "end": [
          451610.0,
          6511970.0
        ],
        "chainage_start": 30.187786689239683,
        "length": 90.7881812385167
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 60.48798396387819,
        "pvi_z": 226.942904203478,
        "bvc": 40.48798396387819,
        "evc": 80.4879839638782,
        "length": 40.0,
        "g1": -0.05344432903154674,
        "g2": -0.04574236687597726,
        "z_bvc": 228.01179078410894,
        "K_m_per_percent": 51.93481763744451
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451494.4911,
        "northing": 6511985.5089,
        "existing_z": 230.1756,
        "design_z": 230.1756,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451501.5622,
        "northing": 6511978.4378,
        "existing_z": 229.5301,
        "design_z": 229.6412,
        "delta_z": 0.1111
      },
      {
        "ch": 20.0,
        "easting": 451509.3766,
        "northing": 6511972.293,
        "existing_z": 228.9368,
        "design_z": 229.1068,
        "delta_z": 0.17
      },
      {
        "ch": 30.0,
        "easting": 451519.024,
        "northing": 6511970.0008,
        "existing_z": 228.3874,
        "design_z": 228.5723,
        "delta_z": 0.1849
      },
      {
        "ch": 40.0,
        "easting": 451529.024,
        "northing": 6511970.0,
        "existing_z": 227.8499,
        "design_z": 228.0379,
        "delta_z": 0.188
      },
      {
        "ch": 40.488,
        "easting": 451529.512,
        "northing": 6511970.0,
        "existing_z": 227.8237,
        "design_z": 228.0118,
        "delta_z": 0.1881
      },
      {
        "ch": 50.0,
        "easting": 451539.024,
        "northing": 6511970.0,
        "existing_z": 227.3477,
        "design_z": 227.5121,
        "delta_z": 0.1645
      },
      {
        "ch": 60.0,
        "easting": 451549.024,
        "northing": 6511970.0,
        "existing_z": 226.8493,
        "design_z": 227.0056,
        "delta_z": 0.1564
      },
      {
        "ch": 60.488,
        "easting": 451549.512,
        "northing": 6511970.0,
        "existing_z": 226.8249,
        "design_z": 226.9814,
        "delta_z": 0.1565
      },
      {
        "ch": 70.0,
        "easting": 451559.024,
        "northing": 6511970.0,
        "existing_z": 226.3499,
        "design_z": 226.5184,
        "delta_z": 0.1684
      },
      {
        "ch": 80.0,
        "easting": 451569.024,
        "northing": 6511970.0,
        "existing_z": 225.8505,
        "design_z": 226.0504,
        "delta_z": 0.1999
      },
      {
        "ch": 80.488,
        "easting": 451569.512,
        "northing": 6511970.0,
        "existing_z": 225.8262,
        "design_z": 226.0281,
        "delta_z": 0.2019
      },
      {
        "ch": 90.0,
        "easting": 451579.024,
        "northing": 6511970.0,
        "existing_z": 225.374,
        "design_z": 225.593,
        "delta_z": 0.219
      },
      {
        "ch": 100.0,
        "easting": 451589.024,
        "northing": 6511970.0,
        "existing_z": 224.8999,
        "design_z": 225.1355,
        "delta_z": 0.2357
      },
      {
        "ch": 110.0,
        "easting": 451599.024,
        "northing": 6511970.0,
        "existing_z": 224.5479,
        "design_z": 224.6781,
        "delta_z": 0.1302
      },
      {
        "ch": 120.0,
        "easting": 451609.024,
        "northing": 6511970.0,
        "existing_z": 224.2091,
        "design_z": 224.2207,
        "delta_z": 0.0116
      },
      {
        "ch": 120.976,
        "easting": 451610.0,
        "northing": 6511970.0,
        "existing_z": 224.176,
        "design_z": 224.176,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD394",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 447.381,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.91,
    "radius_review_count": 6,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450339.4862700211,
          6511817.683729979
        ],
        "end": [
          450438.21708764,
          6511918.024901824
        ],
        "chainage_start": 0,
        "length": 140.7697592343468
      },
      {
        "type": "ARC",
        "centre": [
          450408.9726517026,
          6511946.8
        ],
        "radius": 41.02734829741052,
        "start_angle_rad": -0.7773090339010249,
        "sweep_rad": 0.7773090338999229,
        "start": [
          450438.21708764,
          6511918.024901824
        ],
        "end": [
          450450.0,
          6511946.8
        ],
        "chainage_start": 140.7697592343468,
        "length": 31.89092846853582,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450450.0,
          6511946.8
        ],
        "end": [
          450450.0,
          6511953.2
        ],
        "chainage_start": 172.66068770288263,
        "length": 6.400000000372529
      },
      {
        "type": "ARC",
        "centre": [
          450490.55878784787,
          6511953.2
        ],
        "radius": 40.558787847868,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450450.0,
          6511953.2
        ],
        "end": [
          450461.8793939239,
          6511981.879393924
        ],
        "chainage_start": 179.06068770325516,
        "length": 31.854797485342274,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450461.8793939239,
          6511981.879393924
        ],
        "end": [
          450504.06030303804,
          6512024.060303038
        ],
        "chainage_start": 210.91548518859742,
        "length": 59.65281374231045
      },
      {
        "type": "ARC",
        "centre": [
          450518.4,
          6512009.720606076
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 2.3561944901781375,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450504.06030303804,
          6512024.060303038
        ],
        "end": [
          450518.4,
          6512030.0
        ],
        "chainage_start": 270.5682989309079,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450518.4000000003,
          6512029.999999999
        ],
        "end": [
          450521.6,
          6512030.0
        ],
        "chainage_start": 286.495697673579,
        "length": 3.1999999996623956
      },
      {
        "type": "ARC",
        "centre": [
          450521.6,
          6512050.2793939235
        ],
        "radius": 20.279393923934,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450521.6,
          6512030.0
        ],
        "end": [
          450535.93969696196,
          6512035.939696962
        ],
        "chainage_start": 289.6956976732414,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450535.93969696196,
          6512035.939696961
        ],
        "end": [
          450541.6,
          6512041.6
        ],
        "chainage_start": 305.6230964159125,
        "length": 8.00487732388148
      },
      {
        "type": "ARC",
        "centre": [
          450561.8793939239,
          6512021.320606076
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 2.356194490203826,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450541.6,
          6512041.6
        ],
        "end": [
          450561.8793939239,
          6512050.0
        ],
        "chainage_start": 313.627973739794,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450561.87939392356,
          6512050.0
        ],
        "end": [
          450573.2,
          6512050.0
        ],
        "chainage_start": 336.15271705500373,
        "length": 11.320606076449621
      },
      {
        "type": "ARC",
        "centre": [
          450573.2,
          6512090.558787848
        ],
        "radius": 40.558787847868,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450573.2,
          6512050.0
        ],
        "end": [
          450601.8793939239,
          6512061.879393924
        ],
        "chainage_start": 347.47332313145336,
        "length": 31.854797485342274,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450601.87939392397,
          6512061.879393924
        ],
        "end": [
          450650.0,
          6512110.0
        ],
        "chainage_start": 379.3281206167956,
        "length": 68.05281374229438
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 74.56348905984834,
        "pvi_z": 268.00575406225465,
        "bvc": 54.56348905984834,
        "evc": 94.56348905984834,
        "length": 40.0,
        "g1": 0.01974281504452136,
        "g2": 0.029583095954864313,
        "z_bvc": 267.61089776136424,
        "K_m_per_percent": 40.64924605755581
      },
      {
        "pvi_ch": 149.12697811969667,
        "pvi_z": 270.2115729138416,
        "bvc": 129.12697811969667,
        "evc": 169.12697811969667,
        "length": 40.0,
        "g1": 0.029583095954864313,
        "g2": 0.04911242504911139,
        "z_bvc": 269.6199109947443,
        "K_m_per_percent": 20.482014413789127
      },
      {
        "pvi_ch": 223.690467179545,
        "pvi_z": 273.87356668169366,
        "bvc": 203.690467179545,
        "evc": 243.690467179545,
        "length": 40.0,
        "g1": 0.04911242504911139,
        "g2": 0.04523918420767962,
        "z_bvc": 272.89131818071144,
        "K_m_per_percent": 103.27268981603972
      },
      {
        "pvi_ch": 298.25395623939335,
        "pvi_z": 277.24675809843944,
        "bvc": 278.25395623939335,
        "evc": 318.25395623939335,
        "length": 40.0,
        "g1": 0.04523918420767962,
        "g2": 0.021246673850050427,
        "z_bvc": 276.34197441428586,
        "K_m_per_percent": 16.6718694308204
      },
      {
        "pvi_ch": 372.8174452992417,
        "pvi_z": 278.83098423161584,
        "bvc": 352.8174452992417,
        "evc": 392.8174452992417,
        "length": 40.0,
        "g1": 0.021246673850050427,
        "g2": -0.028788030395216994,
        "z_bvc": 278.40605075461485,
        "K_m_per_percent": 7.99445117211489
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450339.4863,
        "northing": 6511817.6837,
        "existing_z": 266.5337,
        "design_z": 266.5337,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450346.4999,
        "northing": 6511824.8118,
        "existing_z": 267.0525,
        "design_z": 266.7311,
        "delta_z": -0.3214
      },
      {
        "ch": 20.0,
        "easting": 450353.5135,
        "northing": 6511831.9398,
        "existing_z": 267.4,
        "design_z": 266.9285,
        "delta_z": -0.4715
      },
      {
        "ch": 30.0,
        "easting": 450360.5272,
        "northing": 6511839.0678,
        "existing_z": 267.5551,
        "design_z": 267.1259,
        "delta_z": -0.4292
      },
      {
        "ch": 40.0,
        "easting": 450367.5408,
        "northing": 6511846.1959,
        "existing_z": 267.7307,
        "design_z": 267.3234,
        "delta_z": -0.4073
      },
      {
        "ch": 50.0,
        "easting": 450374.5545,
        "northing": 6511853.3239,
        "existing_z": 267.7762,
        "design_z": 267.5208,
        "delta_z": -0.2554
      },
      {
        "ch": 54.5635,
        "easting": 450377.7551,
        "northing": 6511856.5768,
        "existing_z": 267.7724,
        "design_z": 267.6109,
        "delta_z": -0.1615
      },
      {
        "ch": 60.0,
        "easting": 450381.5681,
        "northing": 6511860.4519,
        "existing_z": 267.7861,
        "design_z": 267.7219,
        "delta_z": -0.0642
      },
      {
        "ch": 70.0,
        "easting": 450388.5817,
        "northing": 6511867.58,
        "existing_z": 267.863,
        "design_z": 267.945,
        "delta_z": 0.082
      },
      {
        "ch": 74.5635,
        "easting": 450391.7824,
        "northing": 6511870.8328,
        "existing_z": 267.8997,
        "design_z": 268.055,
        "delta_z": 0.1553
      },
      {
        "ch": 80.0,
        "easting": 450395.5954,
        "northing": 6511874.708,
        "existing_z": 267.9478,
        "design_z": 268.1927,
        "delta_z": 0.2449
      },
      {
        "ch": 90.0,
        "easting": 450402.609,
        "northing": 6511881.836,
        "existing_z": 268.0997,
        "design_z": 268.465,
        "delta_z": 0.3652
      },
      {
        "ch": 94.5635,
        "easting": 450405.8097,
        "northing": 6511885.0889,
        "existing_z": 268.1964,
        "design_z": 268.5974,
        "delta_z": 0.4011
      },
      {
        "ch": 100.0,
        "easting": 450409.6227,
        "northing": 6511888.9641,
        "existing_z": 268.3338,
        "design_z": 268.7582,
        "delta_z": 0.4244
      },
      {
        "ch": 110.0,
        "easting": 450416.6363,
        "northing": 6511896.0921,
        "existing_z": 268.6003,
        "design_z": 269.0541,
        "delta_z": 0.4538
      },
      {
        "ch": 120.0,
        "easting": 450423.6499,
        "northing": 6511903.2201,
        "existing_z": 268.8845,
        "design_z": 269.3499,
        "delta_z": 0.4654
      },
      {
        "ch": 129.127,
        "easting": 450430.0513,
        "northing": 6511909.7259,
        "existing_z": 269.1578,
        "design_z": 269.6199,
        "delta_z": 0.4621
      },
      {
        "ch": 130.0,
        "easting": 450430.6636,
        "northing": 6511910.3482,
        "existing_z": 269.1836,
        "design_z": 269.6459,
        "delta_z": 0.4623
      },
      {
        "ch": 140.0,
        "easting": 450437.6772,
        "northing": 6511917.4762,
        "existing_z": 269.5007,
        "design_z": 269.9704,
        "delta_z": 0.4697
      },
      {
        "ch": 149.127,
        "easting": 450443.4335,
        "northing": 6511924.5358,
        "existing_z": 269.8335,
        "design_z": 270.3092,
        "delta_z": 0.4758
      },
      {
        "ch": 150.0,
        "easting": 450443.8994,
        "northing": 6511925.274,
        "existing_z": 269.8691,
        "design_z": 270.3438,
        "delta_z": 0.4746
      },
      {
        "ch": 160.0,
        "easting": 450448.062,
        "northing": 6511934.3393,
        "existing_z": 270.3523,
        "design_z": 270.7659,
        "delta_z": 0.4136
      },
      {
        "ch": 169.127,
        "easting": 450449.8479,
        "northing": 6511943.2707,
        "existing_z": 270.8706,
        "design_z": 271.1938,
        "delta_z": 0.3232
      },
      {
        "ch": 170.0,
        "easting": 450449.9138,
        "northing": 6511944.1412,
        "existing_z": 270.921,
        "design_z": 271.2367,
        "delta_z": 0.3157
      },
      {
        "ch": 180.0,
        "easting": 450450.0109,
        "northing": 6511954.1392,
        "existing_z": 271.5085,
        "design_z": 271.7278,
        "delta_z": 0.2194
      },
      {
        "ch": 190.0,
        "easting": 450451.4663,
        "northing": 6511964.0072,
        "existing_z": 272.1127,
        "design_z": 272.2189,
        "delta_z": 0.1063
      },
      {
        "ch": 200.0,
        "easting": 450455.2862,
        "northing": 6511973.2215,
        "existing_z": 272.7025,
        "design_z": 272.7101,
        "delta_z": 0.0075
      },
      {
        "ch": 203.6905,
        "easting": 450457.2513,
        "northing": 6511976.3437,
        "existing_z": 272.9113,
        "design_z": 272.8913,
        "delta_z": -0.02
      },
      {
        "ch": 210.0,
        "easting": 450461.2394,
        "northing": 6511981.2248,
        "existing_z": 273.2534,
        "design_z": 273.1993,
        "delta_z": -0.0542
      },
      {
        "ch": 220.0,
        "easting": 450468.3031,
        "northing": 6511988.3031,
        "existing_z": 273.7809,
        "design_z": 273.6794,
        "delta_z": -0.1014
      },
      {
        "ch": 223.6905,
        "easting": 450470.9127,
        "northing": 6511990.9127,
        "existing_z": 273.9843,
        "design_z": 273.8542,
        "delta_z": -0.1301
      },
      {
        "ch": 230.0,
        "easting": 450475.3742,
        "northing": 6511995.3742,
        "existing_z": 274.3468,
        "design_z": 274.1499,
        "delta_z": -0.1968
      },
      {
        "ch": 240.0,
        "easting": 450482.4453,
        "northing": 6512002.4453,
        "existing_z": 274.9289,
        "design_z": 274.6107,
        "delta_z": -0.3181
      },
      {
        "ch": 243.6905,
        "easting": 450485.0548,
        "northing": 6512005.0548,
        "existing_z": 275.1461,
        "design_z": 274.7784,
        "delta_z": -0.3677
      },
      {
        "ch": 250.0,
        "easting": 450489.5163,
        "northing": 6512009.5163,
        "existing_z": 275.5204,
        "design_z": 275.0638,
        "delta_z": -0.4566
      },
      {
        "ch": 260.0,
        "easting": 450496.5874,
        "northing": 6512016.5874,
        "existing_z": 275.9767,
        "design_z": 275.5162,
        "delta_z": -0.4605
      },
      {
        "ch": 270.0,
        "easting": 450503.6585,
        "northing": 6512023.6585,
        "existing_z": 276.4358,
        "design_z": 275.9686,
        "delta_z": -0.4672
      },
      {
        "ch": 278.254,
        "easting": 450510.3833,
        "northing": 6512028.3482,
        "existing_z": 276.8062,
        "design_z": 276.342,
        "delta_z": -0.4642
      },
      {
        "ch": 280.0,
        "easting": 450512.0148,
        "northing": 6512028.9685,
        "existing_z": 276.8788,
        "design_z": 276.42,
        "delta_z": -0.4588
      },
      {
        "ch": 290.0,
        "easting": 450521.9043,
        "northing": 6512030.0023,
        "existing_z": 277.2133,
        "design_z": 276.832,
        "delta_z": -0.3813
      },
      {
        "ch": 298.254,
        "easting": 450529.9065,
        "northing": 6512031.7792,
        "existing_z": 277.4713,
        "design_z": 277.1268,
        "delta_z": -0.3445
      },
      {
        "ch": 300.0,
        "easting": 450531.4666,
        "northing": 6512032.5621,
        "existing_z": 277.5305,
        "design_z": 277.1839,
        "delta_z": -0.3466
      },
      {
        "ch": 310.0,
        "easting": 450539.0346,
        "northing": 6512039.0346,
        "existing_z": 277.8273,
        "design_z": 277.4759,
        "delta_z": -0.3514
      },
      {
        "ch": 318.254,
        "easting": 450545.1201,
        "northing": 6512044.5937,
        "existing_z": 278.0422,
        "design_z": 277.6717,
        "delta_z": -0.3705
      },
      {
        "ch": 320.0,
        "easting": 450546.5672,
        "northing": 6512045.5702,
        "existing_z": 278.0879,
        "design_z": 277.7088,
        "delta_z": -0.3791
      },
      {
        "ch": 330.0,
        "easting": 450555.7738,
        "northing": 6512049.3425,
        "existing_z": 278.4014,
        "design_z": 277.9213,
        "delta_z": -0.4801
      },
      {
        "ch": 340.0,
        "easting": 450565.7267,
        "northing": 6512050.0,
        "existing_z": 278.7542,
        "design_z": 278.1337,
        "delta_z": -0.6205
      },
      {
        "ch": 350.0,
        "easting": 450575.725,
        "northing": 6512050.0787,
        "existing_z": 279.1292,
        "design_z": 278.3462,
        "delta_z": -0.783
      },
      {
        "ch": 352.8174,
        "easting": 450578.5287,
        "northing": 6512050.3516,
        "existing_z": 279.2334,
        "design_z": 278.4061,
        "delta_z": -0.8274
      },
      {
        "ch": 360.0,
        "easting": 450585.5285,
        "northing": 6512051.9191,
        "existing_z": 279.4688,
        "design_z": 278.5264,
        "delta_z": -0.9424
      },
      {
        "ch": 370.0,
        "easting": 450594.5862,
        "northing": 6512056.0966,
        "existing_z": 279.6942,
        "design_z": 278.5865,
        "delta_z": -1.1077
      },
      {
        "ch": 372.8174,
        "easting": 450596.9267,
        "northing": 6512057.6641,
        "existing_z": 279.7323,
        "design_z": 278.5808,
        "delta_z": -1.1515
      },
      {
        "ch": 380.0,
        "easting": 450602.3545,
        "northing": 6512062.3545,
        "existing_z": 279.7788,
        "design_z": 278.5215,
        "delta_z": -1.2573
      },
      {
        "ch": 390.0,
        "easting": 450609.4256,
        "northing": 6512069.4256,
        "existing_z": 279.7828,
        "design_z": 278.3314,
        "delta_z": -1.4515
      },
      {
        "ch": 392.8174,
        "easting": 450611.4178,
        "northing": 6512071.4178,
        "existing_z": 279.7141,
        "design_z": 278.2552,
        "delta_z": -1.4589
      },
      {
        "ch": 400.0,
        "easting": 450616.4966,
        "northing": 6512076.4966,
        "existing_z": 279.4601,
        "design_z": 278.0485,
        "delta_z": -1.4116
      },
      {
        "ch": 410.0,
        "easting": 450623.5677,
        "northing": 6512083.5677,
        "existing_z": 279.0763,
        "design_z": 277.7606,
        "delta_z": -1.3158
      },
      {
        "ch": 420.0,
        "easting": 450630.6388,
        "northing": 6512090.6388,
        "existing_z": 278.6392,
        "design_z": 277.4727,
        "delta_z": -1.1665
      },
      {
        "ch": 430.0,
        "easting": 450637.7098,
        "northing": 6512097.7098,
        "existing_z": 277.9723,
        "design_z": 277.1848,
        "delta_z": -0.7875
      },
      {
        "ch": 440.0,
        "easting": 450644.7809,
        "northing": 6512104.7809,
        "existing_z": 277.2513,
        "design_z": 276.8969,
        "delta_z": -0.3544
      },
      {
        "ch": 447.3809,
        "easting": 450650.0,
        "northing": 6512110.0,
        "existing_z": 276.6844,
        "design_z": 276.6844,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD395",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 24.542,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.68,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451473.23741032864,
          6511973.237410328
        ],
        "end": [
          451494.4910963972,
          6511985.508903603
        ],
        "chainage_start": 0,
        "length": 24.54197870370673
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451473.2374,
        "northing": 6511973.2374,
        "existing_z": 231.3233,
        "design_z": 231.3233,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451481.8975,
        "northing": 6511978.2376,
        "existing_z": 230.8923,
        "design_z": 230.8557,
        "delta_z": -0.0366
      },
      {
        "ch": 20.0,
        "easting": 451490.5577,
        "northing": 6511983.2378,
        "existing_z": 230.3974,
        "design_z": 230.388,
        "delta_z": -0.0093
      },
      {
        "ch": 24.542,
        "easting": 451494.4911,
        "northing": 6511985.5089,
        "existing_z": 230.1756,
        "design_z": 230.1756,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD396",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 28.912,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.97,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451473.23741032864,
          6511973.237410328
        ],
        "end": [
          451488.11373951327,
          6511988.113739513
        ],
        "chainage_start": 0,
        "length": 21.03830649114278
      },
      {
        "type": "ARC",
        "centre": [
          451490.0000000001,
          6511986.227479026
        ],
        "radius": 2.667575162624622,
        "start_angle_rad": 2.356194490115198,
        "sweep_rad": -1.5707963267711762,
        "start": [
          451488.11373951327,
          6511988.113739513
        ],
        "end": [
          451491.88626048685,
          6511988.113739513
        ],
        "chainage_start": 21.03830649114278,
        "length": 4.190217266836779,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451491.886260487,
          6511988.113739513
        ],
        "end": [
          451494.4910963972,
          6511985.508903603
        ],
        "chainage_start": 25.22852375797956,
        "length": 3.6837942716714167
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451473.2374,
        "northing": 6511973.2374,
        "existing_z": 231.3233,
        "design_z": 231.3233,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451480.3085,
        "northing": 6511980.3085,
        "existing_z": 231.0846,
        "design_z": 230.9264,
        "delta_z": -0.1583
      },
      {
        "ch": 20.0,
        "easting": 451487.3795,
        "northing": 6511987.3795,
        "existing_z": 230.7677,
        "design_z": 230.5294,
        "delta_z": -0.2383
      },
      {
        "ch": 28.9123,
        "easting": 451494.4911,
        "northing": 6511985.5089,
        "existing_z": 230.1756,
        "design_z": 230.1756,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD397",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 506.692,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.12,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450852.84039554745,
          6512169.410395548
        ],
        "end": [
          451211.12881870737,
          6511811.128818708
        ],
        "chainage_start": 0,
        "length": 506.6915062180582
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 72.38450088829403,
        "pvi_z": 266.91431419595114,
        "bvc": 52.38450088829403,
        "evc": 92.38450088829403,
        "length": 40.0,
        "g1": -0.02843917761169018,
        "g2": -0.03458352291780313,
        "z_bvc": 267.48309774818495,
        "K_m_per_percent": 65.10050787706281
      },
      {
        "pvi_ch": 144.76900177658806,
        "pvi_z": 264.4110031505871,
        "bvc": 124.76900177658806,
        "evc": 164.76900177658806,
        "length": 40.0,
        "g1": -0.03458352291780313,
        "g2": -0.061204894372612055,
        "z_bvc": 265.1026736089431,
        "K_m_per_percent": 15.025521907427628
      },
      {
        "pvi_ch": 217.15350266488207,
        "pvi_z": 259.9807174195048,
        "bvc": 197.15350266488207,
        "evc": 237.15350266488207,
        "length": 40.0,
        "g1": -0.061204894372612055,
        "g2": -0.04584102341397246,
        "z_bvc": 261.204815306957,
        "K_m_per_percent": 26.03510541560929
      },
      {
        "pvi_ch": 289.5380035531761,
        "pvi_z": 256.6625378194758,
        "bvc": 269.5380035531761,
        "evc": 309.5380035531761,
        "length": 40.0,
        "g1": -0.04584102341397246,
        "g2": -0.019436880445752255,
        "z_bvc": 257.57935828775527,
        "K_m_per_percent": 15.149137788014421
      },
      {
        "pvi_ch": 361.92250444147015,
        "pvi_z": 255.25560892958458,
        "bvc": 341.92250444147015,
        "evc": 381.92250444147015,
        "length": 40.0,
        "g1": -0.019436880445752255,
        "g2": -0.027543388400957606,
        "z_bvc": 255.64434653849963,
        "K_m_per_percent": 49.343071296581165
      },
      {
        "pvi_ch": 434.30700532976414,
        "pvi_z": 253.26189450740884,
        "bvc": 414.30700532976414,
        "evc": 454.30700532976414,
        "length": 40.0,
        "g1": -0.027543388400957606,
        "g2": -0.022119550834897146,
        "z_bvc": 253.81276227542799,
        "K_m_per_percent": 73.74852125052396
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450852.8404,
        "northing": 6512169.4104,
        "existing_z": 268.9729,
        "design_z": 268.9729,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450859.9115,
        "northing": 6512162.3394,
        "existing_z": 268.6476,
        "design_z": 268.6885,
        "delta_z": 0.0409
      },
      {
        "ch": 20.0,
        "easting": 450866.9827,
        "northing": 6512155.2684,
        "existing_z": 268.2483,
        "design_z": 268.4041,
        "delta_z": 0.1558
      },
      {
        "ch": 30.0,
        "easting": 450874.0538,
        "northing": 6512148.1974,
        "existing_z": 267.926,
        "design_z": 268.1197,
        "delta_z": 0.1937
      },
      {
        "ch": 40.0,
        "easting": 450881.1249,
        "northing": 6512141.1264,
        "existing_z": 267.6637,
        "design_z": 267.8353,
        "delta_z": 0.1716
      },
      {
        "ch": 50.0,
        "easting": 450888.1961,
        "northing": 6512134.0554,
        "existing_z": 267.359,
        "design_z": 267.5509,
        "delta_z": 0.1919
      },
      {
        "ch": 52.3845,
        "easting": 450889.8822,
        "northing": 6512132.3693,
        "existing_z": 267.2801,
        "design_z": 267.4831,
        "delta_z": 0.203
      },
      {
        "ch": 60.0,
        "easting": 450895.2672,
        "northing": 6512126.9844,
        "existing_z": 267.1642,
        "design_z": 267.2621,
        "delta_z": 0.0979
      },
      {
        "ch": 70.0,
        "easting": 450902.3383,
        "northing": 6512119.9134,
        "existing_z": 266.9614,
        "design_z": 266.9583,
        "delta_z": -0.0031
      },
      {
        "ch": 72.3845,
        "easting": 450904.0245,
        "northing": 6512118.2273,
        "existing_z": 266.9021,
        "design_z": 266.8836,
        "delta_z": -0.0185
      },
      {
        "ch": 80.0,
        "easting": 450909.4095,
        "northing": 6512112.8424,
        "existing_z": 266.6842,
        "design_z": 266.6392,
        "delta_z": -0.045
      },
      {
        "ch": 90.0,
        "easting": 450916.4806,
        "northing": 6512105.7714,
        "existing_z": 266.5901,
        "design_z": 266.3047,
        "delta_z": -0.2855
      },
      {
        "ch": 92.3845,
        "easting": 450918.1667,
        "northing": 6512104.0853,
        "existing_z": 266.5558,
        "design_z": 266.2226,
        "delta_z": -0.3332
      },
      {
        "ch": 100.0,
        "easting": 450923.5517,
        "northing": 6512098.7004,
        "existing_z": 266.4035,
        "design_z": 265.9593,
        "delta_z": -0.4443
      },
      {
        "ch": 110.0,
        "easting": 450930.6229,
        "northing": 6512091.6294,
        "existing_z": 266.129,
        "design_z": 265.6134,
        "delta_z": -0.5156
      },
      {
        "ch": 120.0,
        "easting": 450937.694,
        "northing": 6512084.5584,
        "existing_z": 265.9776,
        "design_z": 265.2676,
        "delta_z": -0.71
      },
      {
        "ch": 124.769,
        "easting": 450941.0662,
        "northing": 6512081.1862,
        "existing_z": 265.8524,
        "design_z": 265.1027,
        "delta_z": -0.7497
      },
      {
        "ch": 130.0,
        "easting": 450944.7652,
        "northing": 6512077.4874,
        "existing_z": 265.6742,
        "design_z": 264.9127,
        "delta_z": -0.7616
      },
      {
        "ch": 140.0,
        "easting": 450951.8363,
        "northing": 6512070.4164,
        "existing_z": 265.2132,
        "design_z": 264.4987,
        "delta_z": -0.7145
      },
      {
        "ch": 144.769,
        "easting": 450955.2085,
        "northing": 6512067.0442,
        "existing_z": 264.9852,
        "design_z": 264.2779,
        "delta_z": -0.7073
      },
      {
        "ch": 150.0,
        "easting": 450958.9074,
        "northing": 6512063.3454,
        "existing_z": 264.7161,
        "design_z": 264.0183,
        "delta_z": -0.6978
      },
      {
        "ch": 160.0,
        "easting": 450965.9786,
        "northing": 6512056.2744,
        "existing_z": 264.1255,
        "design_z": 263.4712,
        "delta_z": -0.6543
      },
      {
        "ch": 164.769,
        "easting": 450969.3508,
        "northing": 6512052.9022,
        "existing_z": 263.8086,
        "design_z": 263.1869,
        "delta_z": -0.6217
      },
      {
        "ch": 170.0,
        "easting": 450973.0497,
        "northing": 6512049.2034,
        "existing_z": 263.3465,
        "design_z": 262.8667,
        "delta_z": -0.4798
      },
      {
        "ch": 180.0,
        "easting": 450980.1208,
        "northing": 6512042.1324,
        "existing_z": 262.5521,
        "design_z": 262.2547,
        "delta_z": -0.2974
      },
      {
        "ch": 190.0,
        "easting": 450987.192,
        "northing": 6512035.0614,
        "existing_z": 261.7809,
        "design_z": 261.6426,
        "delta_z": -0.1382
      },
      {
        "ch": 197.1535,
        "easting": 450992.2503,
        "northing": 6512030.0031,
        "existing_z": 261.1807,
        "design_z": 261.2048,
        "delta_z": 0.0242
      },
      {
        "ch": 200.0,
        "easting": 450994.2631,
        "northing": 6512027.9904,
        "existing_z": 260.9478,
        "design_z": 261.0322,
        "delta_z": 0.0843
      },
      {
        "ch": 210.0,
        "easting": 451001.3342,
        "northing": 6512020.9194,
        "existing_z": 260.1785,
        "design_z": 260.4502,
        "delta_z": 0.2717
      },
      {
        "ch": 217.1535,
        "easting": 451006.3926,
        "northing": 6512015.8611,
        "existing_z": 259.6743,
        "design_z": 260.0575,
        "delta_z": 0.3833
      },
      {
        "ch": 220.0,
        "easting": 451008.4054,
        "northing": 6512013.8484,
        "existing_z": 259.4844,
        "design_z": 259.9067,
        "delta_z": 0.4224
      },
      {
        "ch": 230.0,
        "easting": 451015.4765,
        "northing": 6512006.7774,
        "existing_z": 258.8001,
        "design_z": 259.4016,
        "delta_z": 0.6015
      },
      {
        "ch": 237.1535,
        "easting": 451020.5348,
        "northing": 6512001.7191,
        "existing_z": 258.369,
        "design_z": 259.0639,
        "delta_z": 0.6948
      },
      {
        "ch": 240.0,
        "easting": 451022.5476,
        "northing": 6511999.7064,
        "existing_z": 258.2097,
        "design_z": 258.9334,
        "delta_z": 0.7237
      },
      {
        "ch": 250.0,
        "easting": 451029.6188,
        "northing": 6511992.6354,
        "existing_z": 257.7051,
        "design_z": 258.475,
        "delta_z": 0.7699
      },
      {
        "ch": 260.0,
        "easting": 451036.6899,
        "northing": 6511985.5644,
        "existing_z": 257.1815,
        "design_z": 258.0166,
        "delta_z": 0.835
      },
      {
        "ch": 269.538,
        "easting": 451043.4344,
        "northing": 6511978.8201,
        "existing_z": 256.7734,
        "design_z": 257.5794,
        "delta_z": 0.806
      },
      {
        "ch": 270.0,
        "easting": 451043.7611,
        "northing": 6511978.4934,
        "existing_z": 256.7552,
        "design_z": 257.5583,
        "delta_z": 0.8031
      },
      {
        "ch": 280.0,
        "easting": 451050.8322,
        "northing": 6511971.4224,
        "existing_z": 256.3829,
        "design_z": 257.1359,
        "delta_z": 0.753
      },
      {
        "ch": 289.538,
        "easting": 451057.5766,
        "northing": 6511964.6781,
        "existing_z": 256.1663,
        "design_z": 256.7946,
        "delta_z": 0.6283
      },
      {
        "ch": 290.0,
        "easting": 451057.9033,
        "northing": 6511964.3514,
        "existing_z": 256.1594,
        "design_z": 256.7795,
        "delta_z": 0.6202
      },
      {
        "ch": 300.0,
        "easting": 451064.9745,
        "northing": 6511957.2804,
        "existing_z": 256.0459,
        "design_z": 256.4892,
        "delta_z": 0.4433
      },
      {
        "ch": 309.538,
        "easting": 451071.7189,
        "northing": 6511950.5361,
        "existing_z": 255.9704,
        "design_z": 256.2738,
        "delta_z": 0.3034
      },
      {
        "ch": 310.0,
        "easting": 451072.0456,
        "northing": 6511950.2094,
        "existing_z": 255.9641,
        "design_z": 256.2648,
        "delta_z": 0.3007
      },
      {
        "ch": 320.0,
        "easting": 451079.1167,
        "northing": 6511943.1384,
        "existing_z": 255.9686,
        "design_z": 256.0705,
        "delta_z": 0.1018
      },
      {
        "ch": 330.0,
        "easting": 451086.1879,
        "northing": 6511936.0674,
        "existing_z": 256.0083,
        "design_z": 255.8761,
        "delta_z": -0.1322
      },
      {
        "ch": 340.0,
        "easting": 451093.259,
        "northing": 6511928.9964,
        "existing_z": 255.9516,
        "design_z": 255.6817,
        "delta_z": -0.2699
      },
      {
        "ch": 341.9225,
        "easting": 451094.6184,
        "northing": 6511927.637,
        "existing_z": 255.9233,
        "design_z": 255.6443,
        "delta_z": -0.279
      },
      {
        "ch": 350.0,
        "easting": 451100.3301,
        "northing": 6511921.9254,
        "existing_z": 255.7931,
        "design_z": 255.4807,
        "delta_z": -0.3124
      },
      {
        "ch": 360.0,
        "easting": 451107.4013,
        "northing": 6511914.8544,
        "existing_z": 255.6066,
        "design_z": 255.2599,
        "delta_z": -0.3468
      },
      {
        "ch": 361.9225,
        "easting": 451108.7607,
        "northing": 6511913.495,
        "existing_z": 255.5676,
        "design_z": 255.2151,
        "delta_z": -0.3525
      },
      {
        "ch": 370.0,
        "easting": 451114.4724,
        "northing": 6511907.7834,
        "existing_z": 255.3124,
        "design_z": 255.0187,
        "delta_z": -0.2937
      },
      {
        "ch": 380.0,
        "easting": 451121.5435,
        "northing": 6511900.7124,
        "existing_z": 254.9613,
        "design_z": 254.7573,
        "delta_z": -0.204
      },
      {
        "ch": 381.9225,
        "easting": 451122.903,
        "northing": 6511899.353,
        "existing_z": 254.8935,
        "design_z": 254.7047,
        "delta_z": -0.1887
      },
      {
        "ch": 390.0,
        "easting": 451128.6147,
        "northing": 6511893.6414,
        "existing_z": 254.6074,
        "design_z": 254.4823,
        "delta_z": -0.1252
      },
      {
        "ch": 400.0,
        "easting": 451135.6858,
        "northing": 6511886.5704,
        "existing_z": 254.2578,
        "design_z": 254.2068,
        "delta_z": -0.0509
      },
      {
        "ch": 410.0,
        "easting": 451142.7569,
        "northing": 6511879.4994,
        "existing_z": 253.9127,
        "design_z": 253.9314,
        "delta_z": 0.0187
      },
      {
        "ch": 414.307,
        "easting": 451145.8025,
        "northing": 6511876.4539,
        "existing_z": 253.7684,
        "design_z": 253.8128,
        "delta_z": 0.0444
      },
      {
        "ch": 420.0,
        "easting": 451149.8281,
        "northing": 6511872.4284,
        "existing_z": 253.5816,
        "design_z": 253.6582,
        "delta_z": 0.0765
      },
      {
        "ch": 430.0,
        "easting": 451156.8992,
        "northing": 6511865.3574,
        "existing_z": 253.2359,
        "design_z": 253.3972,
        "delta_z": 0.1613
      },
      {
        "ch": 434.307,
        "easting": 451159.9448,
        "northing": 6511862.3119,
        "existing_z": 253.0812,
        "design_z": 253.289,
        "delta_z": 0.2078
      },
      {
        "ch": 440.0,
        "easting": 451163.9704,
        "northing": 6511858.2864,
        "existing_z": 252.8779,
        "design_z": 253.1498,
        "delta_z": 0.272
      },
      {
        "ch": 450.0,
        "easting": 451171.0415,
        "northing": 6511851.2154,
        "existing_z": 252.5255,
        "design_z": 252.916,
        "delta_z": 0.3905
      },
      {
        "ch": 454.307,
        "easting": 451174.087,
        "northing": 6511848.1699,
        "existing_z": 252.371,
        "design_z": 252.8195,
        "delta_z": 0.4485
      },
      {
        "ch": 460.0,
        "easting": 451178.1126,
        "northing": 6511844.1444,
        "existing_z": 252.1679,
        "design_z": 252.6936,
        "delta_z": 0.5257
      },
      {
        "ch": 470.0,
        "easting": 451185.1838,
        "northing": 6511837.0734,
        "existing_z": 251.8406,
        "design_z": 252.4724,
        "delta_z": 0.6317
      },
      {
        "ch": 480.0,
        "easting": 451192.2549,
        "northing": 6511830.0024,
        "existing_z": 251.5863,
        "design_z": 252.2512,
        "delta_z": 0.6649
      },
      {
        "ch": 490.0,
        "easting": 451199.326,
        "northing": 6511822.9314,
        "existing_z": 251.5424,
        "design_z": 252.03,
        "delta_z": 0.4875
      },
      {
        "ch": 500.0,
        "easting": 451206.3972,
        "northing": 6511815.8604,
        "existing_z": 251.5751,
        "design_z": 251.8088,
        "delta_z": 0.2337
      },
      {
        "ch": 506.6915,
        "easting": 451211.1288,
        "northing": 6511811.1288,
        "existing_z": 251.6608,
        "design_z": 251.6608,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD398",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 142.107,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 9.38,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452299.1950000001,
          6511942.875
        ],
        "end": [
          452399.68,
          6512043.36
        ],
        "chainage_start": 0,
        "length": 142.10724981520534
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 71.05362490760267,
        "pvi_z": 221.37162422274065,
        "bvc": 51.05362490760267,
        "evc": 91.05362490760267,
        "length": 40.0,
        "g1": -0.09196537400964526,
        "g2": -0.0938406876942463,
        "z_bvc": 223.21093170293355,
        "K_m_per_percent": 213.29764896644264
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452299.195,
        "northing": 6511942.875,
        "existing_z": 227.9061,
        "design_z": 227.9061,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452306.2661,
        "northing": 6511949.9461,
        "existing_z": 227.151,
        "design_z": 226.9864,
        "delta_z": -0.1646
      },
      {
        "ch": 20.0,
        "easting": 452313.3371,
        "northing": 6511957.0171,
        "existing_z": 226.3676,
        "design_z": 226.0668,
        "delta_z": -0.3008
      },
      {
        "ch": 30.0,
        "easting": 452320.4082,
        "northing": 6511964.0882,
        "existing_z": 225.5082,
        "design_z": 225.1471,
        "delta_z": -0.361
      },
      {
        "ch": 40.0,
        "easting": 452327.4793,
        "northing": 6511971.1593,
        "existing_z": 224.5988,
        "design_z": 224.2275,
        "delta_z": -0.3713
      },
      {
        "ch": 50.0,
        "easting": 452334.5503,
        "northing": 6511978.2303,
        "existing_z": 223.6274,
        "design_z": 223.3078,
        "delta_z": -0.3196
      },
      {
        "ch": 51.0536,
        "easting": 452335.2954,
        "northing": 6511978.9754,
        "existing_z": 223.5201,
        "design_z": 223.2109,
        "delta_z": -0.3092
      },
      {
        "ch": 60.0,
        "easting": 452341.6214,
        "northing": 6511985.3014,
        "existing_z": 222.5836,
        "design_z": 222.3863,
        "delta_z": -0.1973
      },
      {
        "ch": 70.0,
        "easting": 452348.6925,
        "northing": 6511992.3725,
        "existing_z": 221.5144,
        "design_z": 221.4601,
        "delta_z": -0.0543
      },
      {
        "ch": 71.0536,
        "easting": 452349.4375,
        "northing": 6511993.1175,
        "existing_z": 221.4054,
        "design_z": 221.3622,
        "delta_z": -0.0431
      },
      {
        "ch": 80.0,
        "easting": 452355.7635,
        "northing": 6511999.4435,
        "existing_z": 220.4657,
        "design_z": 220.5292,
        "delta_z": 0.0635
      },
      {
        "ch": 90.0,
        "easting": 452362.8346,
        "northing": 6512006.5146,
        "existing_z": 219.4027,
        "design_z": 219.5937,
        "delta_z": 0.191
      },
      {
        "ch": 91.0536,
        "easting": 452363.5796,
        "northing": 6512007.2596,
        "existing_z": 219.2899,
        "design_z": 219.4948,
        "delta_z": 0.2049
      },
      {
        "ch": 100.0,
        "easting": 452369.9057,
        "northing": 6512013.5857,
        "existing_z": 218.4102,
        "design_z": 218.6553,
        "delta_z": 0.245
      },
      {
        "ch": 110.0,
        "easting": 452376.9767,
        "northing": 6512020.6567,
        "existing_z": 217.4534,
        "design_z": 217.7169,
        "delta_z": 0.2634
      },
      {
        "ch": 120.0,
        "easting": 452384.0478,
        "northing": 6512027.7278,
        "existing_z": 216.502,
        "design_z": 216.7785,
        "delta_z": 0.2764
      },
      {
        "ch": 130.0,
        "easting": 452391.1189,
        "northing": 6512034.7989,
        "existing_z": 215.6595,
        "design_z": 215.8401,
        "delta_z": 0.1806
      },
      {
        "ch": 140.0,
        "easting": 452398.1899,
        "northing": 6512041.8699,
        "existing_z": 214.8665,
        "design_z": 214.9016,
        "delta_z": 0.0351
      },
      {
        "ch": 142.1072,
        "easting": 452399.68,
        "northing": 6512043.36,
        "existing_z": 214.7039,
        "design_z": 214.7039,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD399",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 100.0,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.36,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451610.0,
          6511970.0
        ],
        "end": [
          451610.0,
          6512070.0
        ],
        "chainage_start": 0,
        "length": 100.0
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 50.0,
        "pvi_z": 225.63723591833542,
        "bvc": 30.0,
        "evc": 70.0,
        "length": 40.0,
        "g1": 0.029223905378427163,
        "g2": 0.033570894426260336,
        "z_bvc": 225.05275781076688,
        "K_m_per_percent": 92.01771515835458
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451610.0,
        "northing": 6511970.0,
        "existing_z": 224.176,
        "design_z": 224.176,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451610.0,
        "northing": 6511980.0,
        "existing_z": 224.3946,
        "design_z": 224.4683,
        "delta_z": 0.0737
      },
      {
        "ch": 20.0,
        "easting": 451610.0,
        "northing": 6511990.0,
        "existing_z": 224.6132,
        "design_z": 224.7605,
        "delta_z": 0.1474
      },
      {
        "ch": 30.0,
        "easting": 451610.0,
        "northing": 6512000.0,
        "existing_z": 224.9276,
        "design_z": 225.0528,
        "delta_z": 0.1252
      },
      {
        "ch": 40.0,
        "easting": 451610.0,
        "northing": 6512010.0,
        "existing_z": 225.2419,
        "design_z": 225.3504,
        "delta_z": 0.1085
      },
      {
        "ch": 50.0,
        "easting": 451610.0,
        "northing": 6512020.0,
        "existing_z": 225.5822,
        "design_z": 225.659,
        "delta_z": 0.0768
      },
      {
        "ch": 60.0,
        "easting": 451610.0,
        "northing": 6512030.0,
        "existing_z": 225.9225,
        "design_z": 225.9784,
        "delta_z": 0.0559
      },
      {
        "ch": 70.0,
        "easting": 451610.0,
        "northing": 6512040.0,
        "existing_z": 226.263,
        "design_z": 226.3087,
        "delta_z": 0.0456
      },
      {
        "ch": 80.0,
        "easting": 451610.0,
        "northing": 6512050.0,
        "existing_z": 226.6036,
        "design_z": 226.6444,
        "delta_z": 0.0408
      },
      {
        "ch": 90.0,
        "easting": 451610.0,
        "northing": 6512060.0,
        "existing_z": 226.9597,
        "design_z": 226.9801,
        "delta_z": 0.0204
      },
      {
        "ch": 100.0,
        "easting": 451610.0,
        "northing": 6512070.0,
        "existing_z": 227.3158,
        "design_z": 227.3158,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD400",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 254.905,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.29,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          452299.1950000001,
          6511942.875
        ],
        "end": [
          452258.18610000005,
          6511983.8839
        ],
        "chainage_start": 0,
        "length": 57.99534255790014
      },
      {
        "type": "ARC",
        "centre": [
          452287.88341424166,
          6512013.581214242
        ],
        "radius": 41.99834456658942,
        "start_angle_rad": -2.3561944901874448,
        "sweep_rad": -1.5707554387059934,
        "start": [
          452258.18610000005,
          6511983.8839
        ],
        "end": [
          452258.18488575844,
          6512043.277314192
        ],
        "chainage_start": 57.99534255790014,
        "length": 65.96912814461864,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452258.18488575827,
          6512043.277314192
        ],
        "end": [
          452350.77,
          6512135.87
        ],
        "chainage_start": 123.96447070251878,
        "length": 130.94047825014434
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 63.72623723816578,
        "pvi_z": 226.1170306418253,
        "bvc": 43.72623723816578,
        "evc": 83.72623723816578,
        "length": 40.0,
        "g1": -0.028074257132078156,
        "g2": -0.029708108172542207,
        "z_bvc": 226.67851578446687,
        "K_m_per_percent": 244.8203600533809
      },
      {
        "pvi_ch": 127.45247447633156,
        "pvi_z": 224.22384469252478,
        "bvc": 107.45247447633156,
        "evc": 147.45247447633156,
        "length": 40.0,
        "g1": -0.029708108172542207,
        "g2": -0.05285546602903572,
        "z_bvc": 224.81800685597563,
        "K_m_per_percent": 17.280589969700937
      },
      {
        "pvi_ch": 191.17871171449735,
        "pvi_z": 220.85556472502464,
        "bvc": 171.17871171449735,
        "evc": 211.17871171449735,
        "length": 40.0,
        "g1": -0.05285546602903572,
        "g2": -0.039204997798824165,
        "z_bvc": 221.91267404560534,
        "K_m_per_percent": 29.303024134711368
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 452299.195,
        "northing": 6511942.875,
        "existing_z": 227.9061,
        "design_z": 227.9061,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 452292.1239,
        "northing": 6511949.9461,
        "existing_z": 227.3611,
        "design_z": 227.6254,
        "delta_z": 0.2642
      },
      {
        "ch": 20.0,
        "easting": 452285.0529,
        "northing": 6511957.0171,
        "existing_z": 226.914,
        "design_z": 227.3446,
        "delta_z": 0.4306
      },
      {
        "ch": 30.0,
        "easting": 452277.9818,
        "northing": 6511964.0882,
        "existing_z": 226.5248,
        "design_z": 227.0639,
        "delta_z": 0.5391
      },
      {
        "ch": 40.0,
        "easting": 452270.9107,
        "northing": 6511971.1593,
        "existing_z": 226.2086,
        "design_z": 226.7831,
        "delta_z": 0.5745
      },
      {
        "ch": 43.7262,
        "easting": 452268.2759,
        "northing": 6511973.7941,
        "existing_z": 226.1482,
        "design_z": 226.6785,
        "delta_z": 0.5303
      },
      {
        "ch": 50.0,
        "easting": 452263.8397,
        "northing": 6511978.2303,
        "existing_z": 226.0854,
        "design_z": 226.5016,
        "delta_z": 0.4162
      },
      {
        "ch": 60.0,
        "easting": 452256.803,
        "northing": 6511985.3347,
        "existing_z": 226.0504,
        "design_z": 226.2162,
        "delta_z": 0.1659
      },
      {
        "ch": 63.7262,
        "easting": 452254.4224,
        "northing": 6511988.1997,
        "existing_z": 226.0374,
        "design_z": 226.1089,
        "delta_z": 0.0715
      },
      {
        "ch": 70.0,
        "easting": 452251.0176,
        "northing": 6511993.4623,
        "existing_z": 226.0509,
        "design_z": 225.9268,
        "delta_z": -0.1241
      },
      {
        "ch": 80.0,
        "easting": 452247.3124,
        "northing": 6512002.7251,
        "existing_z": 226.0926,
        "design_z": 225.6333,
        "delta_z": -0.4593
      },
      {
        "ch": 83.7262,
        "easting": 452246.5101,
        "northing": 6512006.3627,
        "existing_z": 226.0797,
        "design_z": 225.5229,
        "delta_z": -0.5568
      },
      {
        "ch": 90.0,
        "easting": 452245.8965,
        "northing": 6512012.6005,
        "existing_z": 226.0522,
        "design_z": 225.3365,
        "delta_z": -0.7157
      },
      {
        "ch": 100.0,
        "easting": 452246.8498,
        "northing": 6512022.5313,
        "existing_z": 225.9509,
        "design_z": 225.0394,
        "delta_z": -0.9115
      },
      {
        "ch": 107.4525,
        "easting": 452249.074,
        "northing": 6512029.6339,
        "existing_z": 225.7268,
        "design_z": 224.818,
        "delta_z": -0.9088
      },
      {
        "ch": 110.0,
        "easting": 452250.1185,
        "northing": 6512031.957,
        "existing_z": 225.6385,
        "design_z": 224.7404,
        "delta_z": -0.8981
      },
      {
        "ch": 120.0,
        "easting": 452255.5181,
        "northing": 6512040.3459,
        "existing_z": 225.1834,
        "design_z": 224.3997,
        "delta_z": -0.7837
      },
      {
        "ch": 127.4525,
        "easting": 452260.6512,
        "northing": 6512045.7438,
        "existing_z": 224.7067,
        "design_z": 224.1081,
        "delta_z": -0.5986
      },
      {
        "ch": 130.0,
        "easting": 452262.4525,
        "northing": 6512047.5453,
        "existing_z": 224.5323,
        "design_z": 224.0011,
        "delta_z": -0.5312
      },
      {
        "ch": 140.0,
        "easting": 452269.5233,
        "northing": 6512054.6166,
        "existing_z": 223.8493,
        "design_z": 223.5446,
        "delta_z": -0.3048
      },
      {
        "ch": 147.4525,
        "easting": 452274.7927,
        "northing": 6512059.8865,
        "existing_z": 223.3549,
        "design_z": 223.1667,
        "delta_z": -0.1882
      },
      {
        "ch": 150.0,
        "easting": 452276.594,
        "northing": 6512061.688,
        "existing_z": 223.1839,
        "design_z": 223.0321,
        "delta_z": -0.1518
      },
      {
        "ch": 160.0,
        "easting": 452283.6648,
        "northing": 6512068.7593,
        "existing_z": 222.4989,
        "design_z": 222.5035,
        "delta_z": 0.0047
      },
      {
        "ch": 170.0,
        "easting": 452290.7356,
        "northing": 6512075.8307,
        "existing_z": 221.83,
        "design_z": 221.975,
        "delta_z": 0.1449
      },
      {
        "ch": 171.1787,
        "easting": 452291.569,
        "northing": 6512076.6642,
        "existing_z": 221.757,
        "design_z": 221.9127,
        "delta_z": 0.1557
      },
      {
        "ch": 180.0,
        "easting": 452297.8064,
        "northing": 6512082.902,
        "existing_z": 221.2075,
        "design_z": 221.4597,
        "delta_z": 0.2522
      },
      {
        "ch": 190.0,
        "easting": 452304.8771,
        "northing": 6512089.9734,
        "existing_z": 220.5793,
        "design_z": 220.9783,
        "delta_z": 0.3991
      },
      {
        "ch": 191.1787,
        "easting": 452305.7106,
        "northing": 6512090.8069,
        "existing_z": 220.5079,
        "design_z": 220.9238,
        "delta_z": 0.4159
      },
      {
        "ch": 200.0,
        "easting": 452311.9479,
        "northing": 6512097.0448,
        "existing_z": 219.9929,
        "design_z": 220.531,
        "delta_z": 0.5381
      },
      {
        "ch": 210.0,
        "easting": 452319.0187,
        "northing": 6512104.1161,
        "existing_z": 219.4746,
        "design_z": 220.1179,
        "delta_z": 0.6433
      },
      {
        "ch": 211.1787,
        "easting": 452319.8521,
        "northing": 6512104.9496,
        "existing_z": 219.416,
        "design_z": 220.0715,
        "delta_z": 0.6555
      },
      {
        "ch": 220.0,
        "easting": 452326.0895,
        "northing": 6512111.1875,
        "existing_z": 219.0065,
        "design_z": 219.7256,
        "delta_z": 0.7192
      },
      {
        "ch": 230.0,
        "easting": 452333.1603,
        "northing": 6512118.2588,
        "existing_z": 218.6839,
        "design_z": 219.3336,
        "delta_z": 0.6496
      },
      {
        "ch": 240.0,
        "easting": 452340.231,
        "northing": 6512125.3302,
        "existing_z": 218.4756,
        "design_z": 218.9415,
        "delta_z": 0.466
      },
      {
        "ch": 250.0,
        "easting": 452347.3018,
        "northing": 6512132.4015,
        "existing_z": 218.3637,
        "design_z": 218.5495,
        "delta_z": 0.1857
      },
      {
        "ch": 254.9049,
        "easting": 452350.77,
        "northing": 6512135.87,
        "existing_z": 218.3572,
        "design_z": 218.3572,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD401",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 185.716,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.6,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451494.4910963972,
          6511985.508903603
        ],
        "end": [
          451552.2355846727,
          6512018.8495249525
        ],
        "chainage_start": 0,
        "length": 66.67850446855262
      },
      {
        "type": "ARC",
        "centre": [
          451537.7969628676,
          6512043.856582223
        ],
        "radius": 28.876057781504503,
        "start_angle_rad": -1.0471738414720502,
        "sweep_rad": 0.7424388983144724,
        "start": [
          451552.2355846727,
          6512018.8495249525
        ],
        "end": [
          451565.3426,
          6512035.1926
        ],
        "chainage_start": 66.67850446855262,
        "length": 21.43870852696525,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451565.34260000003,
          6512035.1926
        ],
        "end": [
          451566.6274,
          6512039.2774
        ],
        "chainage_start": 88.11721299551786,
        "length": 4.282090854054948
      },
      {
        "type": "ARC",
        "centre": [
          451548.42326806026,
          6512045.00318063
        ],
        "radius": 19.083369291057938,
        "start_angle_rad": -0.30473494315786537,
        "sweep_rad": 1.064613878538247,
        "start": [
          451566.6274,
          6512039.2774
        ],
        "end": [
          451562.25717285695,
          6512058.148448279
        ],
        "chainage_start": 92.3993038495728,
        "length": 20.31641979653087,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451562.2571728569,
          6512058.148448279
        ],
        "end": [
          451511.9722860859,
          6512111.067594154
        ],
        "chainage_start": 112.71572364610367,
        "length": 73.00003998408266
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 61.90525454339544,
        "pvi_z": 228.34605770361765,
        "bvc": 41.90525454339544,
        "evc": 81.90525454339544,
        "length": 40.0,
        "g1": -0.029554619083235586,
        "g2": 0.026136626673991924,
        "z_bvc": 228.93715008528235,
        "K_m_per_percent": 7.182457396333045
      },
      {
        "pvi_ch": 123.81050908679089,
        "pvi_z": 229.96405223077682,
        "bvc": 103.81050908679089,
        "evc": 143.8105090867909,
        "length": 40.0,
        "g1": 0.026136626673991924,
        "g2": 0.07597637260245463,
        "z_bvc": 229.441319697297,
        "K_m_per_percent": 8.025723096063503
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451494.4911,
        "northing": 6511985.5089,
        "existing_z": 230.1756,
        "design_z": 230.1756,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451503.1512,
        "northing": 6511990.5091,
        "existing_z": 229.6472,
        "design_z": 229.8801,
        "delta_z": 0.2329
      },
      {
        "ch": 20.0,
        "easting": 451511.8114,
        "northing": 6511995.5093,
        "existing_z": 229.1921,
        "design_z": 229.5846,
        "delta_z": 0.3925
      },
      {
        "ch": 30.0,
        "easting": 451520.4715,
        "northing": 6512000.5095,
        "existing_z": 228.7611,
        "design_z": 229.289,
        "delta_z": 0.5279
      },
      {
        "ch": 40.0,
        "easting": 451529.1316,
        "northing": 6512005.5097,
        "existing_z": 228.2736,
        "design_z": 228.9935,
        "delta_z": 0.7198
      },
      {
        "ch": 41.9053,
        "easting": 451530.7816,
        "northing": 6512006.4624,
        "existing_z": 228.1911,
        "design_z": 228.9372,
        "delta_z": 0.746
      },
      {
        "ch": 50.0,
        "easting": 451537.7918,
        "northing": 6512010.5099,
        "existing_z": 227.9228,
        "design_z": 228.7435,
        "delta_z": 0.8207
      },
      {
        "ch": 60.0,
        "easting": 451546.4519,
        "northing": 6512015.5101,
        "existing_z": 227.663,
        "design_z": 228.6303,
        "delta_z": 0.9673
      },
      {
        "ch": 61.9053,
        "easting": 451548.1019,
        "northing": 6512016.4628,
        "existing_z": 227.6054,
        "design_z": 228.6245,
        "delta_z": 1.0191
      },
      {
        "ch": 70.0,
        "easting": 451555.0103,
        "northing": 6512020.6719,
        "existing_z": 227.4089,
        "design_z": 228.6563,
        "delta_z": 1.2474
      },
      {
        "ch": 80.0,
        "easting": 451561.8579,
        "northing": 6512027.891,
        "existing_z": 227.3185,
        "design_z": 228.8215,
        "delta_z": 1.503
      },
      {
        "ch": 81.9053,
        "easting": 451562.8582,
        "northing": 6512029.5122,
        "existing_z": 227.3216,
        "design_z": 228.8688,
        "delta_z": 1.5472
      },
      {
        "ch": 90.0,
        "easting": 451565.9075,
        "northing": 6512036.9886,
        "existing_z": 227.462,
        "design_z": 229.0804,
        "delta_z": 1.6184
      },
      {
        "ch": 100.0,
        "easting": 451567.4232,
        "northing": 6512046.7859,
        "existing_z": 227.7726,
        "design_z": 229.3417,
        "delta_z": 1.5691
      },
      {
        "ch": 103.8105,
        "easting": 451566.6921,
        "northing": 6512050.5192,
        "existing_z": 227.9699,
        "design_z": 229.4413,
        "delta_z": 1.4715
      },
      {
        "ch": 110.0,
        "easting": 451563.9817,
        "northing": 6512056.0535,
        "existing_z": 228.3415,
        "design_z": 229.627,
        "delta_z": 1.2855
      },
      {
        "ch": 120.0,
        "easting": 451557.2395,
        "northing": 6512063.429,
        "existing_z": 229.0718,
        "design_z": 230.0277,
        "delta_z": 0.9559
      },
      {
        "ch": 123.8105,
        "easting": 451554.6147,
        "northing": 6512066.1913,
        "existing_z": 229.3604,
        "design_z": 230.2133,
        "delta_z": 0.8529
      },
      {
        "ch": 130.0,
        "easting": 451550.3512,
        "northing": 6512070.6782,
        "existing_z": 229.8302,
        "design_z": 230.5531,
        "delta_z": 0.723
      },
      {
        "ch": 140.0,
        "easting": 451543.4628,
        "northing": 6512077.9273,
        "existing_z": 230.6627,
        "design_z": 231.2031,
        "delta_z": 0.5404
      },
      {
        "ch": 143.8105,
        "easting": 451540.838,
        "northing": 6512080.6897,
        "existing_z": 230.9874,
        "design_z": 231.4836,
        "delta_z": 0.4962
      },
      {
        "ch": 150.0,
        "easting": 451536.5745,
        "northing": 6512085.1765,
        "existing_z": 231.5203,
        "design_z": 231.9538,
        "delta_z": 0.4335
      },
      {
        "ch": 160.0,
        "easting": 451529.6862,
        "northing": 6512092.4257,
        "existing_z": 232.3745,
        "design_z": 232.7136,
        "delta_z": 0.3391
      },
      {
        "ch": 170.0,
        "easting": 451522.7978,
        "northing": 6512099.6749,
        "existing_z": 233.2691,
        "design_z": 233.4734,
        "delta_z": 0.2042
      },
      {
        "ch": 180.0,
        "easting": 451515.9095,
        "northing": 6512106.9241,
        "existing_z": 234.1647,
        "design_z": 234.2331,
        "delta_z": 0.0685
      },
      {
        "ch": 185.7158,
        "easting": 451511.9723,
        "northing": 6512111.0676,
        "existing_z": 234.6674,
        "design_z": 234.6674,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD402",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 509.123,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.73,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450933.67023731366,
          6512230.0
        ],
        "end": [
          451293.67867929814,
          6511870.0
        ],
        "chainage_start": 0,
        "length": 509.1228518737809
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 72.7318359819687,
        "pvi_z": 276.1645764135324,
        "bvc": 43.09508211688233,
        "evc": 102.36858984705506,
        "length": 59.27350773017274,
        "g1": 0.01352123257312274,
        "g2": -0.08526794697716517,
        "z_bvc": 275.7638509718102,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 145.4636719639374,
        "pvi_z": 269.96288207947003,
        "bvc": 125.4636719639374,
        "evc": 165.4636719639374,
        "length": 40.0,
        "g1": -0.08526794697716517,
        "g2": -0.11734106934764103,
        "z_bvc": 271.66824101901335,
        "K_m_per_percent": 12.47150169477139
      },
      {
        "pvi_ch": 218.19550794590612,
        "pvi_z": 261.4284506697286,
        "bvc": 198.19550794590612,
        "evc": 238.19550794590612,
        "length": 40.0,
        "g1": -0.11734106934764103,
        "g2": -0.08599184796353777,
        "z_bvc": 263.7752720566814,
        "K_m_per_percent": 12.759487551510109
      },
      {
        "pvi_ch": 290.9273439278748,
        "pvi_z": 255.17410568785817,
        "bvc": 270.9273439278748,
        "evc": 310.9273439278748,
        "length": 40.0,
        "g1": -0.08599184796353777,
        "g2": -0.07654079234071995,
        "z_bvc": 256.89394264712894,
        "K_m_per_percent": 42.3233145548603
      },
      {
        "pvi_ch": 363.6591799098435,
        "pvi_z": 249.607153333403,
        "bvc": 343.6591799098435,
        "evc": 383.6591799098435,
        "length": 40.0,
        "g1": -0.07654079234071995,
        "g2": -0.051543957867176395,
        "z_bvc": 251.1379691802174,
        "K_m_per_percent": 16.002026193490888
      },
      {
        "pvi_ch": 436.39101589181223,
        "pvi_z": 245.85826664394602,
        "bvc": 416.39101589181223,
        "evc": 456.39101589181223,
        "length": 40.0,
        "g1": -0.051543957867176395,
        "g2": -0.015340719704261622,
        "z_bvc": 246.88914580128954,
        "K_m_per_percent": 11.0487354252677
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450933.6702,
        "northing": 6512230.0,
        "existing_z": 275.1812,
        "design_z": 275.1812,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450940.7414,
        "northing": 6512222.929,
        "existing_z": 275.8394,
        "design_z": 275.3164,
        "delta_z": -0.5231
      },
      {
        "ch": 20.0,
        "easting": 450947.8125,
        "northing": 6512215.858,
        "existing_z": 276.5031,
        "design_z": 275.4516,
        "delta_z": -1.0516
      },
      {
        "ch": 30.0,
        "easting": 450954.8837,
        "northing": 6512208.787,
        "existing_z": 276.9804,
        "design_z": 275.5868,
        "delta_z": -1.3936
      },
      {
        "ch": 40.0,
        "easting": 450961.9548,
        "northing": 6512201.7161,
        "existing_z": 277.3273,
        "design_z": 275.722,
        "delta_z": -1.6053
      },
      {
        "ch": 43.0951,
        "easting": 450964.1434,
        "northing": 6512199.5275,
        "existing_z": 277.4432,
        "design_z": 275.7639,
        "delta_z": -1.6794
      },
      {
        "ch": 50.0,
        "easting": 450969.026,
        "northing": 6512194.6451,
        "existing_z": 277.7166,
        "design_z": 275.8175,
        "delta_z": -1.8991
      },
      {
        "ch": 60.0,
        "easting": 450976.0971,
        "northing": 6512187.5741,
        "existing_z": 277.8396,
        "design_z": 275.7543,
        "delta_z": -2.0853
      },
      {
        "ch": 70.0,
        "easting": 450983.1683,
        "northing": 6512180.5031,
        "existing_z": 277.9158,
        "design_z": 275.5244,
        "delta_z": -2.3914
      },
      {
        "ch": 72.7318,
        "easting": 450985.1,
        "northing": 6512178.5714,
        "existing_z": 277.9325,
        "design_z": 275.4326,
        "delta_z": -2.4999
      },
      {
        "ch": 80.0,
        "easting": 450990.2394,
        "northing": 6512173.4321,
        "existing_z": 277.9551,
        "design_z": 275.1279,
        "delta_z": -2.8272
      },
      {
        "ch": 90.0,
        "easting": 450997.3106,
        "northing": 6512166.3611,
        "existing_z": 277.4856,
        "design_z": 274.5647,
        "delta_z": -2.9209
      },
      {
        "ch": 100.0,
        "easting": 451004.3817,
        "northing": 6512159.2902,
        "existing_z": 276.7643,
        "design_z": 273.8348,
        "delta_z": -2.9295
      },
      {
        "ch": 102.3686,
        "easting": 451006.0566,
        "northing": 6512157.6153,
        "existing_z": 276.5566,
        "design_z": 273.6375,
        "delta_z": -2.9191
      },
      {
        "ch": 110.0,
        "easting": 451011.4529,
        "northing": 6512152.2192,
        "existing_z": 275.7425,
        "design_z": 272.9868,
        "delta_z": -2.7557
      },
      {
        "ch": 120.0,
        "easting": 451018.524,
        "northing": 6512145.1482,
        "existing_z": 274.295,
        "design_z": 272.1341,
        "delta_z": -2.1608
      },
      {
        "ch": 125.4637,
        "easting": 451022.3875,
        "northing": 6512141.2848,
        "existing_z": 273.4539,
        "design_z": 271.6682,
        "delta_z": -1.7857
      },
      {
        "ch": 130.0,
        "easting": 451025.5952,
        "northing": 6512138.0772,
        "existing_z": 272.7387,
        "design_z": 271.2732,
        "delta_z": -1.4655
      },
      {
        "ch": 140.0,
        "easting": 451032.6663,
        "northing": 6512131.0062,
        "existing_z": 271.1689,
        "design_z": 270.344,
        "delta_z": -0.8249
      },
      {
        "ch": 145.4637,
        "easting": 451036.5298,
        "northing": 6512127.1429,
        "existing_z": 270.3122,
        "design_z": 269.8025,
        "delta_z": -0.5097
      },
      {
        "ch": 150.0,
        "easting": 451039.7375,
        "northing": 6512123.9352,
        "existing_z": 269.5927,
        "design_z": 269.3347,
        "delta_z": -0.258
      },
      {
        "ch": 160.0,
        "easting": 451046.8086,
        "northing": 6512116.8642,
        "existing_z": 268.017,
        "design_z": 268.2452,
        "delta_z": 0.2282
      },
      {
        "ch": 165.4637,
        "easting": 451050.6721,
        "northing": 6512113.0009,
        "existing_z": 267.1794,
        "design_z": 267.6161,
        "delta_z": 0.4366
      },
      {
        "ch": 170.0,
        "easting": 451053.8798,
        "northing": 6512109.7933,
        "existing_z": 266.5554,
        "design_z": 267.0838,
        "delta_z": 0.5283
      },
      {
        "ch": 180.0,
        "easting": 451060.951,
        "northing": 6512102.7223,
        "existing_z": 265.1921,
        "design_z": 265.9104,
        "delta_z": 0.7182
      },
      {
        "ch": 190.0,
        "easting": 451068.0221,
        "northing": 6512095.6513,
        "existing_z": 263.8865,
        "design_z": 264.7369,
        "delta_z": 0.8504
      },
      {
        "ch": 198.1955,
        "easting": 451073.8173,
        "northing": 6512089.8563,
        "existing_z": 262.9143,
        "design_z": 263.7753,
        "delta_z": 0.861
      },
      {
        "ch": 200.0,
        "easting": 451075.0933,
        "northing": 6512088.5803,
        "existing_z": 262.7149,
        "design_z": 263.5648,
        "delta_z": 0.8499
      },
      {
        "ch": 210.0,
        "easting": 451082.1644,
        "northing": 6512081.5093,
        "existing_z": 261.6212,
        "design_z": 262.4447,
        "delta_z": 0.8235
      },
      {
        "ch": 218.1955,
        "easting": 451087.9596,
        "northing": 6512075.7143,
        "existing_z": 260.7396,
        "design_z": 261.5852,
        "delta_z": 0.8456
      },
      {
        "ch": 220.0,
        "easting": 451089.2356,
        "northing": 6512074.4383,
        "existing_z": 260.5472,
        "design_z": 261.403,
        "delta_z": 0.8558
      },
      {
        "ch": 230.0,
        "easting": 451096.3067,
        "northing": 6512067.3673,
        "existing_z": 259.6334,
        "design_z": 260.4397,
        "delta_z": 0.8063
      },
      {
        "ch": 238.1955,
        "easting": 451102.1019,
        "northing": 6512061.5723,
        "existing_z": 258.9228,
        "design_z": 259.7086,
        "delta_z": 0.7858
      },
      {
        "ch": 240.0,
        "easting": 451103.3779,
        "northing": 6512060.2964,
        "existing_z": 258.7679,
        "design_z": 259.5534,
        "delta_z": 0.7856
      },
      {
        "ch": 250.0,
        "easting": 451110.449,
        "northing": 6512053.2254,
        "existing_z": 257.9299,
        "design_z": 258.6935,
        "delta_z": 0.7636
      },
      {
        "ch": 260.0,
        "easting": 451117.5202,
        "northing": 6512046.1544,
        "existing_z": 257.2788,
        "design_z": 257.8336,
        "delta_z": 0.5548
      },
      {
        "ch": 270.0,
        "easting": 451124.5913,
        "northing": 6512039.0834,
        "existing_z": 256.6214,
        "design_z": 256.9737,
        "delta_z": 0.3523
      },
      {
        "ch": 270.9273,
        "easting": 451125.247,
        "northing": 6512038.4277,
        "existing_z": 256.5589,
        "design_z": 256.8939,
        "delta_z": 0.335
      },
      {
        "ch": 280.0,
        "easting": 451131.6625,
        "northing": 6512032.0124,
        "existing_z": 255.9457,
        "design_z": 256.1235,
        "delta_z": 0.1778
      },
      {
        "ch": 290.0,
        "easting": 451138.7336,
        "northing": 6512024.9414,
        "existing_z": 255.3017,
        "design_z": 255.2968,
        "delta_z": -0.0049
      },
      {
        "ch": 290.9273,
        "easting": 451139.3893,
        "northing": 6512024.2857,
        "existing_z": 255.24,
        "design_z": 255.2214,
        "delta_z": -0.0186
      },
      {
        "ch": 300.0,
        "easting": 451145.8048,
        "northing": 6512017.8705,
        "existing_z": 254.6037,
        "design_z": 254.4938,
        "delta_z": -0.1099
      },
      {
        "ch": 310.0,
        "easting": 451152.8759,
        "northing": 6512010.7995,
        "existing_z": 253.8258,
        "design_z": 253.7144,
        "delta_z": -0.1114
      },
      {
        "ch": 310.9273,
        "easting": 451153.5316,
        "northing": 6512010.1437,
        "existing_z": 253.7489,
        "design_z": 253.6433,
        "delta_z": -0.1056
      },
      {
        "ch": 320.0,
        "easting": 451159.9471,
        "northing": 6512003.7285,
        "existing_z": 253.0286,
        "design_z": 252.9489,
        "delta_z": -0.0797
      },
      {
        "ch": 330.0,
        "easting": 451167.0182,
        "northing": 6511996.6575,
        "existing_z": 252.1692,
        "design_z": 252.1835,
        "delta_z": 0.0142
      },
      {
        "ch": 340.0,
        "easting": 451174.0894,
        "northing": 6511989.5865,
        "existing_z": 251.2474,
        "design_z": 251.418,
        "delta_z": 0.1707
      },
      {
        "ch": 343.6592,
        "easting": 451176.6768,
        "northing": 6511986.9991,
        "existing_z": 250.9629,
        "design_z": 251.138,
        "delta_z": 0.1751
      },
      {
        "ch": 350.0,
        "easting": 451181.1605,
        "northing": 6511982.5155,
        "existing_z": 250.4511,
        "design_z": 250.6652,
        "delta_z": 0.2141
      },
      {
        "ch": 360.0,
        "easting": 451188.2317,
        "northing": 6511975.4445,
        "existing_z": 249.5954,
        "design_z": 249.9707,
        "delta_z": 0.3753
      },
      {
        "ch": 363.6592,
        "easting": 451190.8191,
        "northing": 6511972.8571,
        "existing_z": 249.2635,
        "design_z": 249.7321,
        "delta_z": 0.4687
      },
      {
        "ch": 370.0,
        "easting": 451195.3028,
        "northing": 6511968.3736,
        "existing_z": 248.7214,
        "design_z": 249.3386,
        "delta_z": 0.6172
      },
      {
        "ch": 380.0,
        "easting": 451202.374,
        "northing": 6511961.3026,
        "existing_z": 248.0064,
        "design_z": 248.7691,
        "delta_z": 0.7627
      },
      {
        "ch": 383.6592,
        "easting": 451204.9614,
        "northing": 6511958.7152,
        "existing_z": 247.7354,
        "design_z": 248.5763,
        "delta_z": 0.8409
      },
      {
        "ch": 390.0,
        "easting": 451209.4451,
        "northing": 6511954.2316,
        "existing_z": 247.2538,
        "design_z": 248.2494,
        "delta_z": 0.9957
      },
      {
        "ch": 400.0,
        "easting": 451216.5163,
        "northing": 6511947.1606,
        "existing_z": 246.6343,
        "design_z": 247.734,
        "delta_z": 1.0997
      },
      {
        "ch": 410.0,
        "easting": 451223.5874,
        "northing": 6511940.0896,
        "existing_z": 246.1858,
        "design_z": 247.2186,
        "delta_z": 1.0328
      },
      {
        "ch": 416.391,
        "easting": 451228.1066,
        "northing": 6511935.5705,
        "existing_z": 245.8953,
        "design_z": 246.8891,
        "delta_z": 0.9938
      },
      {
        "ch": 420.0,
        "easting": 451230.6586,
        "northing": 6511933.0186,
        "existing_z": 245.7351,
        "design_z": 246.709,
        "delta_z": 0.9739
      },
      {
        "ch": 430.0,
        "easting": 451237.7297,
        "northing": 6511925.9476,
        "existing_z": 245.4178,
        "design_z": 246.2715,
        "delta_z": 0.8537
      },
      {
        "ch": 436.391,
        "easting": 451242.2489,
        "northing": 6511921.4286,
        "existing_z": 245.2554,
        "design_z": 246.0393,
        "delta_z": 0.7839
      },
      {
        "ch": 440.0,
        "easting": 451244.8009,
        "northing": 6511918.8767,
        "existing_z": 245.1642,
        "design_z": 245.9245,
        "delta_z": 0.7603
      },
      {
        "ch": 450.0,
        "easting": 451251.872,
        "northing": 6511911.8057,
        "existing_z": 244.9096,
        "design_z": 245.668,
        "delta_z": 0.7584
      },
      {
        "ch": 456.391,
        "easting": 451256.3912,
        "northing": 6511907.2866,
        "existing_z": 244.7919,
        "design_z": 245.5515,
        "delta_z": 0.7595
      },
      {
        "ch": 460.0,
        "easting": 451258.9432,
        "northing": 6511904.7347,
        "existing_z": 244.7486,
        "design_z": 245.4961,
        "delta_z": 0.7475
      },
      {
        "ch": 470.0,
        "easting": 451266.0143,
        "northing": 6511897.6637,
        "existing_z": 244.6541,
        "design_z": 245.3427,
        "delta_z": 0.6886
      },
      {
        "ch": 480.0,
        "easting": 451273.0855,
        "northing": 6511890.5927,
        "existing_z": 244.5576,
        "design_z": 245.1893,
        "delta_z": 0.6317
      },
      {
        "ch": 490.0,
        "easting": 451280.1566,
        "northing": 6511883.5217,
        "existing_z": 244.5797,
        "design_z": 245.0359,
        "delta_z": 0.4562
      },
      {
        "ch": 500.0,
        "easting": 451287.2278,
        "northing": 6511876.4508,
        "existing_z": 244.6622,
        "design_z": 244.8825,
        "delta_z": 0.2203
      },
      {
        "ch": 509.1229,
        "easting": 451293.6787,
        "northing": 6511870.0,
        "existing_z": 244.7425,
        "design_z": 244.7425,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD403",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 485.058,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.21,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451064.97,
          6512240.12
        ],
        "end": [
          451320.3012790292,
          6511984.79767902
        ],
        "chainage_start": 0,
        "length": 361.0866234594401
      },
      {
        "type": "ARC",
        "centre": [
          451290.60412097076,
          6511955.099479029
        ],
        "radius": 41.998860454132554,
        "start_angle_rad": 0.7854157057224027,
        "sweep_rad": -1.5708138691153548,
        "start": [
          451320.3012790292,
          6511984.79767902
        ],
        "end": [
          451320.3018,
          6511925.401799999
        ],
        "chainage_start": 361.0866234594401,
        "length": 65.97239248839182,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451320.30180000013,
          6511925.4018
        ],
        "end": [
          451279.29,
          6511884.39
        ],
        "chainage_start": 427.0590159478319,
        "length": 57.99944377775509
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 69.29406567508386,
        "pvi_z": 269.112469150007,
        "bvc": 49.29406567508386,
        "evc": 89.29406567508386,
        "length": 40.0,
        "g1": -0.08343930206169355,
        "g2": -0.0725443126181702,
        "z_bvc": 270.78125519124086,
        "K_m_per_percent": 36.714124605029745
      },
      {
        "pvi_ch": 138.5881313501677,
        "pvi_z": 264.0855787870897,
        "bvc": 118.58813135016771,
        "evc": 158.5881313501677,
        "length": 40.0,
        "g1": -0.0725443126181702,
        "g2": -0.07777139481551529,
        "z_bvc": 265.5364650394531,
        "K_m_per_percent": 76.5245283885464
      },
      {
        "pvi_ch": 207.88219702525157,
        "pvi_z": 258.6964826471005,
        "bvc": 187.88219702525157,
        "evc": 227.88219702525157,
        "length": 40.0,
        "g1": -0.07777139481551529,
        "g2": -0.11205574625551755,
        "z_bvc": 260.25191054341076,
        "K_m_per_percent": 11.667130431211493
      },
      {
        "pvi_ch": 277.1762627003354,
        "pvi_z": 250.93168440680012,
        "bvc": 257.1762627003354,
        "evc": 297.1762627003354,
        "length": 40.0,
        "g1": -0.11205574625551755,
        "g2": -0.10796288668606088,
        "z_bvc": 253.17279933191045,
        "K_m_per_percent": 97.73118114900302
      },
      {
        "pvi_ch": 346.4703283754193,
        "pvi_z": 243.45049704630458,
        "bvc": 326.4703283754193,
        "evc": 366.4703283754193,
        "length": 40.0,
        "g1": -0.10796288668606088,
        "g2": -0.042058678808865484,
        "z_bvc": 245.60975478002578,
        "K_m_per_percent": 6.069415184313453
      },
      {
        "pvi_ch": 415.76439405050314,
        "pvi_z": 240.5360801947158,
        "bvc": 385.67038377856494,
        "evc": 445.85840432244134,
        "length": 60.188020543876405,
        "g1": -0.042058678808865484,
        "g2": 0.05825468876426186,
        "z_bvc": 241.80179450681393,
        "K_m_per_percent": 6.000000000000001
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451064.97,
        "northing": 6512240.12,
        "existing_z": 274.8943,
        "design_z": 274.8943,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451072.0412,
        "northing": 6512233.0491,
        "existing_z": 274.1007,
        "design_z": 274.0599,
        "delta_z": -0.0408
      },
      {
        "ch": 20.0,
        "easting": 451079.1124,
        "northing": 6512225.9781,
        "existing_z": 273.1753,
        "design_z": 273.2255,
        "delta_z": 0.0502
      },
      {
        "ch": 30.0,
        "easting": 451086.1836,
        "northing": 6512218.9072,
        "existing_z": 272.1903,
        "design_z": 272.3911,
        "delta_z": 0.2009
      },
      {
        "ch": 40.0,
        "easting": 451093.2548,
        "northing": 6512211.8362,
        "existing_z": 271.2801,
        "design_z": 271.5567,
        "delta_z": 0.2767
      },
      {
        "ch": 49.2941,
        "easting": 451099.8268,
        "northing": 6512205.2644,
        "existing_z": 270.4782,
        "design_z": 270.7813,
        "delta_z": 0.303
      },
      {
        "ch": 50.0,
        "easting": 451100.326,
        "northing": 6512204.7653,
        "existing_z": 270.4178,
        "design_z": 270.7224,
        "delta_z": 0.3046
      },
      {
        "ch": 60.0,
        "easting": 451107.3972,
        "northing": 6512197.6943,
        "existing_z": 269.5972,
        "design_z": 269.9036,
        "delta_z": 0.3063
      },
      {
        "ch": 69.2941,
        "easting": 451113.9692,
        "northing": 6512191.1226,
        "existing_z": 268.9433,
        "design_z": 269.1669,
        "delta_z": 0.2236
      },
      {
        "ch": 70.0,
        "easting": 451114.4683,
        "northing": 6512190.6234,
        "existing_z": 268.8982,
        "design_z": 269.112,
        "delta_z": 0.2138
      },
      {
        "ch": 80.0,
        "easting": 451121.5395,
        "northing": 6512183.5524,
        "existing_z": 268.1805,
        "design_z": 268.3476,
        "delta_z": 0.167
      },
      {
        "ch": 89.2941,
        "easting": 451128.1115,
        "northing": 6512176.9807,
        "existing_z": 267.5443,
        "design_z": 267.6616,
        "delta_z": 0.1173
      },
      {
        "ch": 90.0,
        "easting": 451128.6107,
        "northing": 6512176.4815,
        "existing_z": 267.4975,
        "design_z": 267.6104,
        "delta_z": 0.1128
      },
      {
        "ch": 100.0,
        "easting": 451135.6819,
        "northing": 6512169.4106,
        "existing_z": 266.8429,
        "design_z": 266.8849,
        "delta_z": 0.0421
      },
      {
        "ch": 110.0,
        "easting": 451142.7531,
        "northing": 6512162.3396,
        "existing_z": 266.0942,
        "design_z": 266.1595,
        "delta_z": 0.0652
      },
      {
        "ch": 118.5881,
        "easting": 451148.8259,
        "northing": 6512156.267,
        "existing_z": 265.4888,
        "design_z": 265.5365,
        "delta_z": 0.0477
      },
      {
        "ch": 120.0,
        "easting": 451149.8243,
        "northing": 6512155.2687,
        "existing_z": 265.3926,
        "design_z": 265.4339,
        "delta_z": 0.0413
      },
      {
        "ch": 130.0,
        "easting": 451156.8955,
        "northing": 6512148.1977,
        "existing_z": 264.6902,
        "design_z": 264.7001,
        "delta_z": 0.0098
      },
      {
        "ch": 138.5881,
        "easting": 451162.9683,
        "northing": 6512142.1251,
        "existing_z": 264.0711,
        "design_z": 264.0594,
        "delta_z": -0.0116
      },
      {
        "ch": 140.0,
        "easting": 451163.9667,
        "northing": 6512141.1268,
        "existing_z": 263.9738,
        "design_z": 263.9532,
        "delta_z": -0.0206
      },
      {
        "ch": 150.0,
        "easting": 451171.0379,
        "northing": 6512134.0558,
        "existing_z": 263.3149,
        "design_z": 263.1932,
        "delta_z": -0.1216
      },
      {
        "ch": 158.5881,
        "easting": 451177.1107,
        "northing": 6512127.9832,
        "existing_z": 262.7505,
        "design_z": 262.5302,
        "delta_z": -0.2204
      },
      {
        "ch": 160.0,
        "easting": 451178.1091,
        "northing": 6512126.9849,
        "existing_z": 262.6561,
        "design_z": 262.4203,
        "delta_z": -0.2357
      },
      {
        "ch": 170.0,
        "easting": 451185.1803,
        "northing": 6512119.914,
        "existing_z": 262.0173,
        "design_z": 261.6426,
        "delta_z": -0.3747
      },
      {
        "ch": 180.0,
        "easting": 451192.2515,
        "northing": 6512112.843,
        "existing_z": 261.4002,
        "design_z": 260.8649,
        "delta_z": -0.5353
      },
      {
        "ch": 187.8822,
        "easting": 451197.8251,
        "northing": 6512107.2696,
        "existing_z": 260.8562,
        "design_z": 260.2519,
        "delta_z": -0.6043
      },
      {
        "ch": 190.0,
        "easting": 451199.3226,
        "northing": 6512105.7721,
        "existing_z": 260.7014,
        "design_z": 260.0853,
        "delta_z": -0.6161
      },
      {
        "ch": 200.0,
        "easting": 451206.3938,
        "northing": 6512098.7011,
        "existing_z": 259.9612,
        "design_z": 259.2466,
        "delta_z": -0.7147
      },
      {
        "ch": 207.8822,
        "easting": 451211.9675,
        "northing": 6512093.1277,
        "existing_z": 259.3228,
        "design_z": 258.5251,
        "delta_z": -0.7978
      },
      {
        "ch": 210.0,
        "easting": 451213.465,
        "northing": 6512091.6302,
        "existing_z": 259.1265,
        "design_z": 258.3221,
        "delta_z": -0.8044
      },
      {
        "ch": 220.0,
        "easting": 451220.5362,
        "northing": 6512084.5592,
        "existing_z": 258.0903,
        "design_z": 257.312,
        "delta_z": -0.7783
      },
      {
        "ch": 227.8822,
        "easting": 451226.1099,
        "northing": 6512078.9858,
        "existing_z": 257.2285,
        "design_z": 256.4554,
        "delta_z": -0.7732
      },
      {
        "ch": 230.0,
        "easting": 451227.6074,
        "northing": 6512077.4883,
        "existing_z": 256.9933,
        "design_z": 256.2181,
        "delta_z": -0.7752
      },
      {
        "ch": 240.0,
        "easting": 451234.6786,
        "northing": 6512070.4173,
        "existing_z": 255.789,
        "design_z": 255.0975,
        "delta_z": -0.6915
      },
      {
        "ch": 250.0,
        "easting": 451241.7498,
        "northing": 6512063.3464,
        "existing_z": 254.4857,
        "design_z": 253.9769,
        "delta_z": -0.5087
      },
      {
        "ch": 257.1763,
        "easting": 451246.8243,
        "northing": 6512058.2721,
        "existing_z": 253.541,
        "design_z": 253.1728,
        "delta_z": -0.3682
      },
      {
        "ch": 260.0,
        "easting": 451248.821,
        "northing": 6512056.2755,
        "existing_z": 253.1676,
        "design_z": 252.8568,
        "delta_z": -0.3108
      },
      {
        "ch": 270.0,
        "easting": 451255.8922,
        "northing": 6512049.2045,
        "existing_z": 251.8482,
        "design_z": 251.7442,
        "delta_z": -0.1039
      },
      {
        "ch": 277.1763,
        "easting": 451260.9667,
        "northing": 6512044.1302,
        "existing_z": 250.8998,
        "design_z": 250.9521,
        "delta_z": 0.0523
      },
      {
        "ch": 280.0,
        "easting": 451262.9634,
        "northing": 6512042.1336,
        "existing_z": 250.5278,
        "design_z": 250.6419,
        "delta_z": 0.1141
      },
      {
        "ch": 290.0,
        "easting": 451270.0346,
        "northing": 6512035.0626,
        "existing_z": 249.2158,
        "design_z": 249.5498,
        "delta_z": 0.334
      },
      {
        "ch": 297.1763,
        "easting": 451275.109,
        "northing": 6512029.9883,
        "existing_z": 248.3474,
        "design_z": 248.7724,
        "delta_z": 0.4251
      },
      {
        "ch": 300.0,
        "easting": 451277.1058,
        "northing": 6512027.9917,
        "existing_z": 248.0065,
        "design_z": 248.4676,
        "delta_z": 0.461
      },
      {
        "ch": 310.0,
        "easting": 451284.1769,
        "northing": 6512020.9207,
        "existing_z": 246.7891,
        "design_z": 247.3879,
        "delta_z": 0.5988
      },
      {
        "ch": 320.0,
        "easting": 451291.2481,
        "northing": 6512013.8498,
        "existing_z": 245.5706,
        "design_z": 246.3083,
        "delta_z": 0.7378
      },
      {
        "ch": 326.4703,
        "easting": 451295.8234,
        "northing": 6512009.2747,
        "existing_z": 244.8306,
        "design_z": 245.6098,
        "delta_z": 0.7791
      },
      {
        "ch": 330.0,
        "easting": 451298.3193,
        "northing": 6512006.7789,
        "existing_z": 244.4502,
        "design_z": 245.2389,
        "delta_z": 0.7887
      },
      {
        "ch": 340.0,
        "easting": 451305.3905,
        "northing": 6511999.7079,
        "existing_z": 243.3623,
        "design_z": 244.2999,
        "delta_z": 0.9376
      },
      {
        "ch": 346.4703,
        "easting": 451309.9658,
        "northing": 6511995.1328,
        "existing_z": 242.6503,
        "design_z": 243.78,
        "delta_z": 1.1297
      },
      {
        "ch": 350.0,
        "easting": 451312.4617,
        "northing": 6511992.637,
        "existing_z": 242.2896,
        "design_z": 243.5255,
        "delta_z": 1.2359
      },
      {
        "ch": 360.0,
        "easting": 451319.5329,
        "northing": 6511985.566,
        "existing_z": 241.3864,
        "design_z": 242.9159,
        "delta_z": 1.5296
      },
      {
        "ch": 366.4703,
        "easting": 451323.8541,
        "northing": 6511980.7576,
        "existing_z": 240.8283,
        "design_z": 242.6093,
        "delta_z": 1.781
      },
      {
        "ch": 370.0,
        "easting": 451325.8906,
        "northing": 6511977.876,
        "existing_z": 240.5141,
        "design_z": 242.4609,
        "delta_z": 1.9468
      },
      {
        "ch": 380.0,
        "easting": 451330.2671,
        "northing": 6511968.9108,
        "existing_z": 239.6503,
        "design_z": 242.0403,
        "delta_z": 2.3899
      },
      {
        "ch": 385.6704,
        "easting": 451331.7652,
        "northing": 6511963.4463,
        "existing_z": 239.3404,
        "design_z": 241.8018,
        "delta_z": 2.4614
      },
      {
        "ch": 390.0,
        "easting": 451332.4056,
        "northing": 6511959.1663,
        "existing_z": 239.1208,
        "design_z": 241.6353,
        "delta_z": 2.5145
      },
      {
        "ch": 400.0,
        "easting": 451332.1855,
        "northing": 6511949.1923,
        "existing_z": 238.7264,
        "design_z": 241.3702,
        "delta_z": 2.6439
      },
      {
        "ch": 410.0,
        "easting": 451329.6191,
        "northing": 6511939.5517,
        "existing_z": 238.8137,
        "design_z": 241.2718,
        "delta_z": 2.4581
      },
      {
        "ch": 415.7644,
        "easting": 451327.1249,
        "northing": 6511934.3598,
        "existing_z": 238.9467,
        "design_z": 241.2908,
        "delta_z": 2.3441
      },
      {
        "ch": 420.0,
        "easting": 451324.8513,
        "northing": 6511930.7883,
        "existing_z": 239.0816,
        "design_z": 241.34,
        "delta_z": 2.2584
      },
      {
        "ch": 430.0,
        "easting": 451318.2222,
        "northing": 6511923.3222,
        "existing_z": 239.7251,
        "design_z": 241.5749,
        "delta_z": 1.8498
      },
      {
        "ch": 440.0,
        "easting": 451311.1511,
        "northing": 6511916.2511,
        "existing_z": 240.4258,
        "design_z": 241.9765,
        "delta_z": 1.5508
      },
      {
        "ch": 445.8584,
        "easting": 451307.0086,
        "northing": 6511912.1086,
        "existing_z": 240.8657,
        "design_z": 242.2892,
        "delta_z": 1.4235
      },
      {
        "ch": 450.0,
        "easting": 451304.0801,
        "northing": 6511909.1801,
        "existing_z": 241.2066,
        "design_z": 242.5305,
        "delta_z": 1.3238
      },
      {
        "ch": 460.0,
        "easting": 451297.009,
        "northing": 6511902.109,
        "existing_z": 242.1624,
        "design_z": 243.113,
        "delta_z": 0.9506
      },
      {
        "ch": 470.0,
        "easting": 451289.9379,
        "northing": 6511895.0379,
        "existing_z": 243.1056,
        "design_z": 243.6956,
        "delta_z": 0.59
      },
      {
        "ch": 480.0,
        "easting": 451282.8669,
        "northing": 6511887.9669,
        "existing_z": 244.0515,
        "design_z": 244.2781,
        "delta_z": 0.2266
      },
      {
        "ch": 485.0585,
        "easting": 451279.29,
        "northing": 6511884.39,
        "existing_z": 244.5728,
        "design_z": 244.5728,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD404",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 163.935,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.5,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451370.0,
          6512029.1
        ],
        "end": [
          451511.9722860859,
          6512111.067594154
        ],
        "chainage_start": 0,
        "length": 163.93540346086866
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 54.645134486956216,
        "pvi_z": 241.62657174438107,
        "bvc": 34.645134486956216,
        "evc": 74.64513448695621,
        "length": 40.0,
        "g1": -0.025431809352933512,
        "g2": -0.05239968510969723,
        "z_bvc": 242.13520793143974,
        "K_m_per_percent": 14.832462282450162
      },
      {
        "pvi_ch": 109.29026897391243,
        "pvi_z": 238.7631839044875,
        "bvc": 89.29026897391243,
        "evc": 129.29026897391242,
        "length": 40.0,
        "g1": -0.05239968510969723,
        "g2": -0.07495260148823579,
        "z_bvc": 239.81117760668144,
        "K_m_per_percent": 17.73606540662925
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451370.0,
        "northing": 6512029.1,
        "existing_z": 243.0163,
        "design_z": 243.0163,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451378.6603,
        "northing": 6512034.1,
        "existing_z": 242.9081,
        "design_z": 242.762,
        "delta_z": -0.1461
      },
      {
        "ch": 20.0,
        "easting": 451387.3205,
        "northing": 6512039.1,
        "existing_z": 242.7862,
        "design_z": 242.5077,
        "delta_z": -0.2785
      },
      {
        "ch": 30.0,
        "easting": 451395.9808,
        "northing": 6512044.1,
        "existing_z": 242.6188,
        "design_z": 242.2533,
        "delta_z": -0.3654
      },
      {
        "ch": 34.6451,
        "easting": 451400.0036,
        "northing": 6512046.4225,
        "existing_z": 242.5272,
        "design_z": 242.1352,
        "delta_z": -0.392
      },
      {
        "ch": 40.0,
        "easting": 451404.641,
        "northing": 6512049.1,
        "existing_z": 242.4155,
        "design_z": 241.9894,
        "delta_z": -0.4261
      },
      {
        "ch": 50.0,
        "easting": 451413.3013,
        "northing": 6512054.1,
        "existing_z": 242.1216,
        "design_z": 241.6652,
        "delta_z": -0.4563
      },
      {
        "ch": 54.6451,
        "easting": 451417.3241,
        "northing": 6512056.4225,
        "existing_z": 241.9598,
        "design_z": 241.4917,
        "delta_z": -0.4681
      },
      {
        "ch": 60.0,
        "easting": 451421.9615,
        "northing": 6512059.1,
        "existing_z": 241.7641,
        "design_z": 241.2737,
        "delta_z": -0.4905
      },
      {
        "ch": 70.0,
        "easting": 451430.6218,
        "northing": 6512064.1,
        "existing_z": 241.3674,
        "design_z": 240.8147,
        "delta_z": -0.5527
      },
      {
        "ch": 74.6451,
        "easting": 451434.6446,
        "northing": 6512066.4225,
        "existing_z": 241.1432,
        "design_z": 240.5786,
        "delta_z": -0.5646
      },
      {
        "ch": 80.0,
        "easting": 451439.2821,
        "northing": 6512069.0999,
        "existing_z": 240.878,
        "design_z": 240.298,
        "delta_z": -0.58
      },
      {
        "ch": 89.2903,
        "easting": 451447.3277,
        "northing": 6512073.7451,
        "existing_z": 240.3148,
        "design_z": 239.8112,
        "delta_z": -0.5037
      },
      {
        "ch": 90.0,
        "easting": 451447.9423,
        "northing": 6512074.0999,
        "existing_z": 240.2695,
        "design_z": 239.7738,
        "delta_z": -0.4957
      },
      {
        "ch": 100.0,
        "easting": 451456.6026,
        "northing": 6512079.0999,
        "existing_z": 239.6088,
        "design_z": 239.2177,
        "delta_z": -0.3912
      },
      {
        "ch": 109.2903,
        "easting": 451464.6482,
        "northing": 6512083.7451,
        "existing_z": 238.9868,
        "design_z": 238.6504,
        "delta_z": -0.3364
      },
      {
        "ch": 110.0,
        "easting": 451465.2628,
        "northing": 6512084.0999,
        "existing_z": 238.9391,
        "design_z": 238.6051,
        "delta_z": -0.3341
      },
      {
        "ch": 120.0,
        "easting": 451473.9231,
        "northing": 6512089.0999,
        "existing_z": 238.253,
        "design_z": 237.9361,
        "delta_z": -0.3168
      },
      {
        "ch": 129.2903,
        "easting": 451481.9687,
        "northing": 6512093.745,
        "existing_z": 237.5309,
        "design_z": 237.2641,
        "delta_z": -0.2667
      },
      {
        "ch": 130.0,
        "easting": 451482.5834,
        "northing": 6512094.0999,
        "existing_z": 237.4747,
        "design_z": 237.2109,
        "delta_z": -0.2637
      },
      {
        "ch": 140.0,
        "easting": 451491.2436,
        "northing": 6512099.0999,
        "existing_z": 236.679,
        "design_z": 236.4614,
        "delta_z": -0.2176
      },
      {
        "ch": 150.0,
        "easting": 451499.9039,
        "northing": 6512104.0999,
        "existing_z": 235.84,
        "design_z": 235.7119,
        "delta_z": -0.1281
      },
      {
        "ch": 160.0,
        "easting": 451508.5641,
        "northing": 6512109.0999,
        "existing_z": 235.008,
        "design_z": 234.9624,
        "delta_z": -0.0456
      },
      {
        "ch": 163.9354,
        "easting": 451511.9723,
        "northing": 6512111.0676,
        "existing_z": 234.6674,
        "design_z": 234.6674,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD405",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 369.508,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 15.76,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451694.09,
          6511985.27
        ],
        "end": [
          452014.09,
          6512170.03
        ],
        "chainage_start": 0,
        "length": 369.5081292749343
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 73.90162585498686,
        "pvi_z": 233.79026698145958,
        "bvc": 53.90162585498686,
        "evc": 93.90162585498686,
        "length": 40.0,
        "g1": 0.104307723957098,
        "g2": 0.14123182551533106,
        "z_bvc": 231.70411250231763,
        "K_m_per_percent": 10.833032710874749
      },
      {
        "pvi_ch": 147.80325170997372,
        "pvi_z": 244.22752850951036,
        "bvc": 127.80325170997372,
        "evc": 167.80325170997372,
        "length": 40.0,
        "g1": 0.14123182551533106,
        "g2": 0.15758754340854847,
        "z_bvc": 241.40289199920375,
        "K_m_per_percent": 24.456278997443267
      },
      {
        "pvi_ch": 221.70487756496058,
        "pvi_z": 255.8735041818954,
        "bvc": 199.39670819836383,
        "evc": 244.01304693155734,
        "length": 44.61633873319351,
        "g1": 0.15758754340854847,
        "g2": 0.08322697885322596,
        "z_bvc": 252.3580145734716,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 295.60650341994744,
        "pvi_z": 262.0241132341474,
        "bvc": 273.8970526623639,
        "evc": 317.315954177531,
        "length": 43.418901515167185,
        "g1": 0.08322697885322596,
        "g2": 0.010862142994613981,
        "z_bvc": 260.21730123503085,
        "K_m_per_percent": 6.0
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451694.09,
        "northing": 6511985.27,
        "existing_z": 226.0818,
        "design_z": 226.0818,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451702.7502,
        "northing": 6511990.2702,
        "existing_z": 226.8934,
        "design_z": 227.1248,
        "delta_z": 0.2315
      },
      {
        "ch": 20.0,
        "easting": 451711.4103,
        "northing": 6511995.2703,
        "existing_z": 227.7158,
        "design_z": 228.1679,
        "delta_z": 0.4521
      },
      {
        "ch": 30.0,
        "easting": 451720.0705,
        "northing": 6512000.2705,
        "existing_z": 228.5999,
        "design_z": 229.211,
        "delta_z": 0.6111
      },
      {
        "ch": 40.0,
        "easting": 451728.7306,
        "northing": 6512005.2706,
        "existing_z": 229.5385,
        "design_z": 230.2541,
        "delta_z": 0.7156
      },
      {
        "ch": 50.0,
        "easting": 451737.3908,
        "northing": 6512010.2708,
        "existing_z": 230.5568,
        "design_z": 231.2971,
        "delta_z": 0.7404
      },
      {
        "ch": 53.9016,
        "easting": 451740.7697,
        "northing": 6512012.2217,
        "existing_z": 230.9493,
        "design_z": 231.7041,
        "delta_z": 0.7548
      },
      {
        "ch": 60.0,
        "easting": 451746.051,
        "northing": 6512015.271,
        "existing_z": 231.5784,
        "design_z": 232.3574,
        "delta_z": 0.7789
      },
      {
        "ch": 70.0,
        "easting": 451754.7111,
        "northing": 6512020.2711,
        "existing_z": 232.6989,
        "design_z": 233.5029,
        "delta_z": 0.804
      },
      {
        "ch": 73.9016,
        "easting": 451758.09,
        "northing": 6512022.222,
        "existing_z": 233.1658,
        "design_z": 233.9749,
        "delta_z": 0.8091
      },
      {
        "ch": 80.0,
        "easting": 451763.3713,
        "northing": 6512025.2713,
        "existing_z": 233.9116,
        "design_z": 234.7407,
        "delta_z": 0.8292
      },
      {
        "ch": 90.0,
        "easting": 451772.0315,
        "northing": 6512030.2714,
        "existing_z": 235.1956,
        "design_z": 236.0709,
        "delta_z": 0.8753
      },
      {
        "ch": 93.9016,
        "easting": 451775.4103,
        "northing": 6512032.2223,
        "existing_z": 235.7125,
        "design_z": 236.6149,
        "delta_z": 0.9024
      },
      {
        "ch": 100.0,
        "easting": 451780.6916,
        "northing": 6512035.2716,
        "existing_z": 236.5357,
        "design_z": 237.4762,
        "delta_z": 0.9405
      },
      {
        "ch": 110.0,
        "easting": 451789.3518,
        "northing": 6512040.2718,
        "existing_z": 237.9259,
        "design_z": 238.8885,
        "delta_z": 0.9626
      },
      {
        "ch": 120.0,
        "easting": 451798.0119,
        "northing": 6512045.2719,
        "existing_z": 239.4222,
        "design_z": 240.3008,
        "delta_z": 0.8786
      },
      {
        "ch": 127.8033,
        "easting": 451804.7697,
        "northing": 6512049.1737,
        "existing_z": 240.6281,
        "design_z": 241.4029,
        "delta_z": 0.7748
      },
      {
        "ch": 130.0,
        "easting": 451806.6721,
        "northing": 6512050.2721,
        "existing_z": 240.9691,
        "design_z": 241.7141,
        "delta_z": 0.745
      },
      {
        "ch": 140.0,
        "easting": 451815.3323,
        "northing": 6512055.2722,
        "existing_z": 242.5112,
        "design_z": 243.1559,
        "delta_z": 0.6447
      },
      {
        "ch": 147.8033,
        "easting": 451822.09,
        "northing": 6512059.174,
        "existing_z": 243.7604,
        "design_z": 244.3093,
        "delta_z": 0.5489
      },
      {
        "ch": 150.0,
        "easting": 451823.9924,
        "northing": 6512060.2724,
        "existing_z": 244.1184,
        "design_z": 244.6385,
        "delta_z": 0.5201
      },
      {
        "ch": 160.0,
        "easting": 451832.6526,
        "northing": 6512065.2726,
        "existing_z": 245.7894,
        "design_z": 246.162,
        "delta_z": 0.3726
      },
      {
        "ch": 167.8033,
        "easting": 451839.4103,
        "northing": 6512069.1743,
        "existing_z": 247.1517,
        "design_z": 247.3793,
        "delta_z": 0.2276
      },
      {
        "ch": 170.0,
        "easting": 451841.3127,
        "northing": 6512070.2727,
        "existing_z": 247.5401,
        "design_z": 247.7255,
        "delta_z": 0.1854
      },
      {
        "ch": 180.0,
        "easting": 451849.9729,
        "northing": 6512075.2729,
        "existing_z": 249.3054,
        "design_z": 249.3013,
        "delta_z": -0.0041
      },
      {
        "ch": 190.0,
        "easting": 451858.6331,
        "northing": 6512080.2731,
        "existing_z": 251.1541,
        "design_z": 250.8772,
        "delta_z": -0.2769
      },
      {
        "ch": 199.3967,
        "easting": 451866.7708,
        "northing": 6512084.9716,
        "existing_z": 252.9553,
        "design_z": 252.358,
        "delta_z": -0.5973
      },
      {
        "ch": 200.0,
        "easting": 451867.2932,
        "northing": 6512085.2732,
        "existing_z": 253.073,
        "design_z": 252.4528,
        "delta_z": -0.6202
      },
      {
        "ch": 210.0,
        "easting": 451875.9534,
        "northing": 6512090.2734,
        "existing_z": 254.9988,
        "design_z": 253.9353,
        "delta_z": -1.0635
      },
      {
        "ch": 220.0,
        "easting": 451884.6135,
        "northing": 6512095.2735,
        "existing_z": 256.8339,
        "design_z": 255.2511,
        "delta_z": -1.5828
      },
      {
        "ch": 221.7049,
        "easting": 451886.09,
        "northing": 6512096.126,
        "existing_z": 257.1513,
        "design_z": 255.4588,
        "delta_z": -1.6925
      },
      {
        "ch": 230.0,
        "easting": 451893.2737,
        "northing": 6512100.2737,
        "existing_z": 258.5558,
        "design_z": 256.4002,
        "delta_z": -2.1555
      },
      {
        "ch": 240.0,
        "easting": 451901.9339,
        "northing": 6512105.2739,
        "existing_z": 260.0683,
        "design_z": 257.3827,
        "delta_z": -2.6856
      },
      {
        "ch": 244.013,
        "easting": 451905.4092,
        "northing": 6512107.2804,
        "existing_z": 260.6906,
        "design_z": 257.7301,
        "delta_z": -2.9605
      },
      {
        "ch": 250.0,
        "easting": 451910.594,
        "northing": 6512110.274,
        "existing_z": 261.571,
        "design_z": 258.2284,
        "delta_z": -3.3425
      },
      {
        "ch": 260.0,
        "easting": 451919.2542,
        "northing": 6512115.2742,
        "existing_z": 262.2074,
        "design_z": 259.0607,
        "delta_z": -3.1467
      },
      {
        "ch": 270.0,
        "easting": 451927.9144,
        "northing": 6512120.2743,
        "existing_z": 262.8885,
        "design_z": 259.893,
        "delta_z": -2.9955
      },
      {
        "ch": 273.8971,
        "easting": 451931.2893,
        "northing": 6512122.2229,
        "existing_z": 263.061,
        "design_z": 260.2173,
        "delta_z": -2.8437
      },
      {
        "ch": 280.0,
        "easting": 451936.5745,
        "northing": 6512125.2745,
        "existing_z": 263.0811,
        "design_z": 260.6942,
        "delta_z": -2.3869
      },
      {
        "ch": 290.0,
        "easting": 451945.2347,
        "northing": 6512130.2747,
        "existing_z": 263.147,
        "design_z": 261.3414,
        "delta_z": -1.8056
      },
      {
        "ch": 295.6065,
        "easting": 451950.09,
        "northing": 6512133.078,
        "existing_z": 263.1065,
        "design_z": 261.6314,
        "delta_z": -1.4751
      },
      {
        "ch": 300.0,
        "easting": 451953.8948,
        "northing": 6512135.2748,
        "existing_z": 262.9579,
        "design_z": 261.822,
        "delta_z": -1.1359
      },
      {
        "ch": 310.0,
        "easting": 451962.555,
        "northing": 6512140.275,
        "existing_z": 262.6733,
        "design_z": 262.1359,
        "delta_z": -0.5375
      },
      {
        "ch": 317.316,
        "easting": 451968.8907,
        "northing": 6512143.9331,
        "existing_z": 262.5125,
        "design_z": 262.2599,
        "delta_z": -0.2526
      },
      {
        "ch": 320.0,
        "easting": 451971.2152,
        "northing": 6512145.2751,
        "existing_z": 262.4743,
        "design_z": 262.2891,
        "delta_z": -0.1853
      },
      {
        "ch": 330.0,
        "easting": 451979.8753,
        "northing": 6512150.2753,
        "existing_z": 262.4096,
        "design_z": 262.3977,
        "delta_z": -0.0119
      },
      {
        "ch": 340.0,
        "easting": 451988.5355,
        "northing": 6512155.2755,
        "existing_z": 262.3398,
        "design_z": 262.5063,
        "delta_z": 0.1665
      },
      {
        "ch": 350.0,
        "easting": 451997.1956,
        "northing": 6512160.2756,
        "existing_z": 262.4461,
        "design_z": 262.6149,
        "delta_z": 0.1688
      },
      {
        "ch": 360.0,
        "easting": 452005.8558,
        "northing": 6512165.2758,
        "existing_z": 262.6254,
        "design_z": 262.7236,
        "delta_z": 0.0982
      },
      {
        "ch": 369.5081,
        "easting": 452014.09,
        "northing": 6512170.03,
        "existing_z": 262.8268,
        "design_z": 262.8268,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD406",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 197.401,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 14.75,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450730.4150350293,
          6512150.415035029
        ],
        "end": [
          450870.0,
          6512010.832667423
        ],
        "chainage_start": 0,
        "length": 197.40111395896236
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 65.80037131965412,
        "pvi_z": 272.3461398897038,
        "bvc": 36.38997608168171,
        "evc": 95.21076655762653,
        "length": 58.82079047594482,
        "g1": 0.010204460234037416,
        "g2": -0.08783019055920395,
        "z_bvc": 272.0460226810306,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 131.60074263930824,
        "pvi_z": 266.5668807378322,
        "bvc": 111.60074263930824,
        "evc": 151.60074263930824,
        "length": 40.0,
        "g1": -0.08783019055920395,
        "g2": -0.14752037399780332,
        "z_bvc": 268.3234845490163,
        "K_m_per_percent": 6.701269404063101
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450730.415,
        "northing": 6512150.415,
        "existing_z": 271.6747,
        "design_z": 271.6747,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450737.4862,
        "northing": 6512143.344,
        "existing_z": 272.398,
        "design_z": 271.7767,
        "delta_z": -0.6213
      },
      {
        "ch": 20.0,
        "easting": 450744.5573,
        "northing": 6512136.273,
        "existing_z": 273.043,
        "design_z": 271.8788,
        "delta_z": -1.1643
      },
      {
        "ch": 30.0,
        "easting": 450751.6284,
        "northing": 6512129.202,
        "existing_z": 273.5796,
        "design_z": 271.9808,
        "delta_z": -1.5987
      },
      {
        "ch": 36.39,
        "easting": 450756.1469,
        "northing": 6512124.6837,
        "existing_z": 273.8246,
        "design_z": 272.046,
        "delta_z": -1.7786
      },
      {
        "ch": 40.0,
        "easting": 450758.6996,
        "northing": 6512122.131,
        "existing_z": 273.9322,
        "design_z": 272.072,
        "delta_z": -1.8602
      },
      {
        "ch": 50.0,
        "easting": 450765.7707,
        "northing": 6512115.06,
        "existing_z": 274.1138,
        "design_z": 272.0305,
        "delta_z": -2.0833
      },
      {
        "ch": 60.0,
        "easting": 450772.8418,
        "northing": 6512107.989,
        "existing_z": 274.0445,
        "design_z": 271.8224,
        "delta_z": -2.222
      },
      {
        "ch": 65.8004,
        "easting": 450776.9434,
        "northing": 6512103.8876,
        "existing_z": 273.8628,
        "design_z": 271.6253,
        "delta_z": -2.2374
      },
      {
        "ch": 70.0,
        "easting": 450779.913,
        "northing": 6512100.918,
        "existing_z": 273.699,
        "design_z": 271.4476,
        "delta_z": -2.2514
      },
      {
        "ch": 80.0,
        "easting": 450786.9841,
        "northing": 6512093.847,
        "existing_z": 273.2001,
        "design_z": 270.9062,
        "delta_z": -2.2939
      },
      {
        "ch": 90.0,
        "easting": 450794.0552,
        "northing": 6512086.776,
        "existing_z": 272.4305,
        "design_z": 270.1981,
        "delta_z": -2.2325
      },
      {
        "ch": 95.2108,
        "easting": 450797.7398,
        "northing": 6512083.0915,
        "existing_z": 271.9267,
        "design_z": 269.763,
        "delta_z": -2.1637
      },
      {
        "ch": 100.0,
        "easting": 450801.1264,
        "northing": 6512079.705,
        "existing_z": 271.4352,
        "design_z": 269.3424,
        "delta_z": -2.0929
      },
      {
        "ch": 110.0,
        "easting": 450808.1975,
        "northing": 6512072.634,
        "existing_z": 270.3214,
        "design_z": 268.4641,
        "delta_z": -1.8574
      },
      {
        "ch": 111.6007,
        "easting": 450809.3294,
        "northing": 6512071.5021,
        "existing_z": 270.1321,
        "design_z": 268.3235,
        "delta_z": -1.8087
      },
      {
        "ch": 120.0,
        "easting": 450815.2686,
        "northing": 6512065.563,
        "existing_z": 268.9741,
        "design_z": 267.5331,
        "delta_z": -1.441
      },
      {
        "ch": 130.0,
        "easting": 450822.3398,
        "northing": 6512058.492,
        "existing_z": 267.4437,
        "design_z": 266.4549,
        "delta_z": -0.9888
      },
      {
        "ch": 131.6007,
        "easting": 450823.4717,
        "northing": 6512057.3601,
        "existing_z": 267.1859,
        "design_z": 266.2684,
        "delta_z": -0.9174
      },
      {
        "ch": 140.0,
        "easting": 450829.4109,
        "northing": 6512051.421,
        "existing_z": 265.7754,
        "design_z": 265.2274,
        "delta_z": -0.548
      },
      {
        "ch": 150.0,
        "easting": 450836.482,
        "northing": 6512044.35,
        "existing_z": 264.1078,
        "design_z": 263.8507,
        "delta_z": -0.2571
      },
      {
        "ch": 151.6007,
        "easting": 450837.6139,
        "northing": 6512043.2181,
        "existing_z": 263.8329,
        "design_z": 263.6165,
        "delta_z": -0.2164
      },
      {
        "ch": 160.0,
        "easting": 450843.5532,
        "northing": 6512037.279,
        "existing_z": 262.3433,
        "design_z": 262.3774,
        "delta_z": 0.0341
      },
      {
        "ch": 170.0,
        "easting": 450850.6243,
        "northing": 6512030.208,
        "existing_z": 260.5154,
        "design_z": 260.9022,
        "delta_z": 0.3869
      },
      {
        "ch": 180.0,
        "easting": 450857.6954,
        "northing": 6512023.137,
        "existing_z": 259.2267,
        "design_z": 259.427,
        "delta_z": 0.2003
      },
      {
        "ch": 190.0,
        "easting": 450864.7666,
        "northing": 6512016.066,
        "existing_z": 257.8869,
        "design_z": 257.9518,
        "delta_z": 0.0649
      },
      {
        "ch": 197.4011,
        "easting": 450870.0,
        "northing": 6512010.8327,
        "existing_z": 256.86,
        "design_z": 256.86,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD407",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 27.187,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 10.73,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450650.0,
          6512110.0
        ],
        "end": [
          450655.94,
          6512083.47
        ],
        "chainage_start": 0,
        "length": 27.186844245220225
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450650.0,
        "northing": 6512110.0,
        "existing_z": 276.6844,
        "design_z": 276.6844,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450652.1849,
        "northing": 6512100.2416,
        "existing_z": 277.794,
        "design_z": 277.7576,
        "delta_z": -0.0364
      },
      {
        "ch": 20.0,
        "easting": 450654.3698,
        "northing": 6512090.4832,
        "existing_z": 278.9377,
        "design_z": 278.8308,
        "delta_z": -0.1069
      },
      {
        "ch": 27.1868,
        "easting": 450655.94,
        "northing": 6512083.47,
        "existing_z": 279.6021,
        "design_z": 279.6021,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD408",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 205.972,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 7.87,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450830.0,
          6512190.0
        ],
        "end": [
          450881.6,
          6512138.4
        ],
        "chainage_start": 0,
        "length": 72.97341981817182
      },
      {
        "type": "ARC",
        "centre": [
          450873.19999999995,
          6512130.0
        ],
        "radius": 11.879393923934,
        "start_angle_rad": 0.7853981634182368,
        "sweep_rad": -1.5707963267948966,
        "start": [
          450881.6,
          6512138.4
        ],
        "end": [
          450881.6,
          6512121.6
        ],
        "chainage_start": 72.97341981817182,
        "length": 18.66010834026514,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450881.60000000015,
          6512121.600000001
        ],
        "end": [
          450878.4,
          6512118.4
        ],
        "chainage_start": 91.63352815843696,
        "length": 4.525483399816163
      },
      {
        "type": "ARC",
        "centre": [
          450898.67939392396,
          6512098.120606077
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 2.356194490203826,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450878.4,
          6512118.4
        ],
        "end": [
          450870.0,
          6512098.120606076
        ],
        "chainage_start": 96.15901155825313,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450870.0,
          6512098.120606077
        ],
        "end": [
          450870.0,
          6512010.832667423
        ],
        "chainage_start": 118.68375487346282,
        "length": 87.28793865349144
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 68.65723117565142,
        "pvi_z": 267.00613485466073,
        "bvc": 48.65723117565142,
        "evc": 88.65723117565142,
        "length": 40.0,
        "g1": -0.037283073504119635,
        "g2": -0.06910438282602228,
        "z_bvc": 267.7517963247431,
        "K_m_per_percent": 12.57019300977284
      },
      {
        "pvi_ch": 137.31446235130284,
        "pvi_z": 262.2616192677238,
        "bvc": 117.31446235130284,
        "evc": 157.31446235130284,
        "length": 40.0,
        "g1": -0.06910438282602228,
        "g2": -0.07867538238385785,
        "z_bvc": 263.64370692424427,
        "K_m_per_percent": 41.792918031484895
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450830.0,
        "northing": 6512190.0,
        "existing_z": 269.5659,
        "design_z": 269.5659,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450837.0711,
        "northing": 6512182.9289,
        "existing_z": 269.4505,
        "design_z": 269.1931,
        "delta_z": -0.2574
      },
      {
        "ch": 20.0,
        "easting": 450844.1421,
        "northing": 6512175.8579,
        "existing_z": 269.2187,
        "design_z": 268.8202,
        "delta_z": -0.3985
      },
      {
        "ch": 30.0,
        "easting": 450851.2132,
        "northing": 6512168.7868,
        "existing_z": 268.891,
        "design_z": 268.4474,
        "delta_z": -0.4436
      },
      {
        "ch": 40.0,
        "easting": 450858.2843,
        "northing": 6512161.7157,
        "existing_z": 268.571,
        "design_z": 268.0746,
        "delta_z": -0.4964
      },
      {
        "ch": 48.6572,
        "easting": 450864.4059,
        "northing": 6512155.5941,
        "existing_z": 268.2341,
        "design_z": 267.7518,
        "delta_z": -0.4823
      },
      {
        "ch": 50.0,
        "easting": 450865.3553,
        "northing": 6512154.6447,
        "existing_z": 268.1769,
        "design_z": 267.701,
        "delta_z": -0.4759
      },
      {
        "ch": 60.0,
        "easting": 450872.4264,
        "northing": 6512147.5736,
        "existing_z": 267.7987,
        "design_z": 267.2777,
        "delta_z": -0.5209
      },
      {
        "ch": 68.6572,
        "easting": 450878.548,
        "northing": 6512141.452,
        "existing_z": 267.5767,
        "design_z": 266.847,
        "delta_z": -0.7297
      },
      {
        "ch": 70.0,
        "easting": 450879.4975,
        "northing": 6512140.5025,
        "existing_z": 267.5394,
        "design_z": 266.7749,
        "delta_z": -0.7645
      },
      {
        "ch": 80.0,
        "easting": 450884.8568,
        "northing": 6512132.2891,
        "existing_z": 267.0692,
        "design_z": 266.1925,
        "delta_z": -0.8768
      },
      {
        "ch": 88.6572,
        "easting": 450883.4203,
        "northing": 6512123.9449,
        "existing_z": 266.3348,
        "design_z": 265.624,
        "delta_z": -0.7107
      },
      {
        "ch": 90.0,
        "easting": 450882.6722,
        "northing": 6512122.8307,
        "existing_z": 266.221,
        "design_z": 265.5313,
        "delta_z": -0.6898
      },
      {
        "ch": 100.0,
        "easting": 450875.8737,
        "northing": 6512115.5105,
        "existing_z": 265.4549,
        "design_z": 264.8402,
        "delta_z": -0.6147
      },
      {
        "ch": 110.0,
        "easting": 450871.3047,
        "northing": 6512106.6723,
        "existing_z": 264.6744,
        "design_z": 264.1492,
        "delta_z": -0.5252
      },
      {
        "ch": 117.3145,
        "easting": 450870.0327,
        "northing": 6512099.4894,
        "existing_z": 264.0714,
        "design_z": 263.6437,
        "delta_z": -0.4277
      },
      {
        "ch": 120.0,
        "easting": 450870.0,
        "northing": 6512096.8044,
        "existing_z": 263.8557,
        "design_z": 263.4573,
        "delta_z": -0.3984
      },
      {
        "ch": 130.0,
        "easting": 450870.0,
        "northing": 6512086.8044,
        "existing_z": 262.9956,
        "design_z": 262.7478,
        "delta_z": -0.2478
      },
      {
        "ch": 137.3145,
        "easting": 450870.0,
        "northing": 6512079.4899,
        "existing_z": 262.2758,
        "design_z": 262.2138,
        "delta_z": -0.0621
      },
      {
        "ch": 140.0,
        "easting": 450870.0,
        "northing": 6512076.8044,
        "existing_z": 262.0116,
        "design_z": 262.0145,
        "delta_z": 0.0029
      },
      {
        "ch": 150.0,
        "easting": 450870.0,
        "northing": 6512066.8044,
        "existing_z": 261.0236,
        "design_z": 261.2572,
        "delta_z": 0.2336
      },
      {
        "ch": 157.3145,
        "easting": 450870.0,
        "northing": 6512059.4899,
        "existing_z": 260.2949,
        "design_z": 260.6881,
        "delta_z": 0.3932
      },
      {
        "ch": 160.0,
        "easting": 450870.0,
        "northing": 6512056.8044,
        "existing_z": 260.0274,
        "design_z": 260.4768,
        "delta_z": 0.4495
      },
      {
        "ch": 170.0,
        "easting": 450870.0,
        "northing": 6512046.8044,
        "existing_z": 259.103,
        "design_z": 259.6901,
        "delta_z": 0.587
      },
      {
        "ch": 180.0,
        "easting": 450870.0,
        "northing": 6512036.8044,
        "existing_z": 258.3316,
        "design_z": 258.9033,
        "delta_z": 0.5717
      },
      {
        "ch": 190.0,
        "easting": 450870.0,
        "northing": 6512026.8044,
        "existing_z": 257.6489,
        "design_z": 258.1166,
        "delta_z": 0.4676
      },
      {
        "ch": 200.0,
        "easting": 450870.0,
        "northing": 6512016.8044,
        "existing_z": 257.155,
        "design_z": 257.3298,
        "delta_z": 0.1748
      },
      {
        "ch": 205.9717,
        "easting": 450870.0,
        "northing": 6512010.8327,
        "existing_z": 256.86,
        "design_z": 256.86,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD409",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 107.05,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.63,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451610.0,
          6512070.0
        ],
        "end": [
          451598.4,
          6512081.6
        ],
        "chainage_start": 0,
        "length": 16.40487732324802
      },
      {
        "type": "ARC",
        "centre": [
          451618.67939392396,
          6512101.879393923
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": -2.356194490203826,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451598.4,
          6512081.6
        ],
        "end": [
          451590.0,
          6512101.879393924
        ],
        "chainage_start": 16.40487732324802,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451590.0,
          6512101.879393923
        ],
        "end": [
          451590.0,
          6512170.0
        ],
        "chainage_start": 38.92962063845772,
        "length": 68.12060607690364
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 53.52511335768068,
        "pvi_z": 229.0699627572532,
        "bvc": 33.52511335768068,
        "evc": 73.52511335768068,
        "length": 40.0,
        "g1": 0.03277306683841029,
        "g2": 0.036304842990453196,
        "z_bvc": 228.41450142048498,
        "K_m_per_percent": 113.25746105642216
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451610.0,
        "northing": 6512070.0,
        "existing_z": 227.3158,
        "design_z": 227.3158,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451602.9289,
        "northing": 6512077.0711,
        "existing_z": 227.6427,
        "design_z": 227.6435,
        "delta_z": 0.0008
      },
      {
        "ch": 20.0,
        "easting": 451596.0236,
        "northing": 6512084.2946,
        "existing_z": 227.9403,
        "design_z": 227.9712,
        "delta_z": 0.031
      },
      {
        "ch": 30.0,
        "easting": 451591.379,
        "northing": 6512093.0934,
        "existing_z": 228.249,
        "design_z": 228.299,
        "delta_z": 0.05
      },
      {
        "ch": 33.5251,
        "easting": 451590.5077,
        "northing": 6512096.5068,
        "existing_z": 228.3616,
        "design_z": 228.4145,
        "delta_z": 0.0529
      },
      {
        "ch": 40.0,
        "easting": 451590.0,
        "northing": 6512102.9498,
        "existing_z": 228.5689,
        "design_z": 228.6286,
        "delta_z": 0.0597
      },
      {
        "ch": 50.0,
        "easting": 451590.0,
        "northing": 6512112.9498,
        "existing_z": 228.8983,
        "design_z": 228.9664,
        "delta_z": 0.0681
      },
      {
        "ch": 53.5251,
        "easting": 451590.0,
        "northing": 6512116.4749,
        "existing_z": 229.0221,
        "design_z": 229.0876,
        "delta_z": 0.0655
      },
      {
        "ch": 60.0,
        "easting": 451590.0,
        "northing": 6512122.9498,
        "existing_z": 229.2495,
        "design_z": 229.3131,
        "delta_z": 0.0636
      },
      {
        "ch": 70.0,
        "easting": 451590.0,
        "northing": 6512132.9498,
        "existing_z": 229.6089,
        "design_z": 229.6686,
        "delta_z": 0.0597
      },
      {
        "ch": 73.5251,
        "easting": 451590.0,
        "northing": 6512136.4749,
        "existing_z": 229.7424,
        "design_z": 229.7961,
        "delta_z": 0.0537
      },
      {
        "ch": 80.0,
        "easting": 451590.0,
        "northing": 6512142.9498,
        "existing_z": 229.9875,
        "design_z": 230.0311,
        "delta_z": 0.0436
      },
      {
        "ch": 90.0,
        "easting": 451590.0,
        "northing": 6512152.9498,
        "existing_z": 230.3664,
        "design_z": 230.3942,
        "delta_z": 0.0278
      },
      {
        "ch": 100.0,
        "easting": 451590.0,
        "northing": 6512162.9498,
        "existing_z": 230.7457,
        "design_z": 230.7572,
        "delta_z": 0.0115
      },
      {
        "ch": 107.0502,
        "easting": 451590.0,
        "northing": 6512170.0,
        "existing_z": 231.0132,
        "design_z": 231.0132,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD410",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 994.506,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 15.35,
    "radius_review_count": 13,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451610.0,
          6512190.0
        ],
        "end": [
          451610.0,
          6512201.6
        ],
        "chainage_start": 0,
        "length": 11.599999999627471
      },
      {
        "type": "ARC",
        "centre": [
          451630.27939392393,
          6512201.6
        ],
        "radius": 20.279393923934,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451610.0,
          6512201.6
        ],
        "end": [
          451615.93969696196,
          6512215.939696962
        ],
        "chainage_start": 11.599999999627471,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451615.93969696196,
          6512215.939696962
        ],
        "end": [
          451633.2,
          6512233.2
        ],
        "chainage_start": 27.527398742298608,
        "length": 24.40975464717066
      },
      {
        "type": "ARC",
        "centre": [
          451673.7587878479,
          6512192.641212152
        ],
        "radius": 57.35878784786799,
        "start_angle_rad": 2.356194490192345,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451633.2,
          6512233.2
        ],
        "end": [
          451673.7587878479,
          6512250.0
        ],
        "chainage_start": 51.93715338946927,
        "length": 45.049486630419395,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451673.7587878479,
          6512250.0
        ],
        "end": [
          451936.70683314063,
          6512250.0
        ],
        "chainage_start": 96.98664001988867,
        "length": 262.9480452927528
      },
      {
        "type": "ARC",
        "centre": [
          451936.70683314063,
          6512160.0
        ],
        "radius": 90.0,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -0.7086262721276703,
        "start": [
          451936.70683314063,
          6512250.0
        ],
        "end": [
          451995.27805675165,
          6512228.333094213
        ],
        "chainage_start": 359.9346853126415,
        "length": 63.77636449149033,
        "target_radius": 90,
        "check": "TARGET_MET"
      },
      {
        "type": "LINE",
        "start": [
          451995.27805675165,
          6512228.333094213
        ],
        "end": [
          452097.2444890803,
          6512140.933295074
        ],
        "chainage_start": 423.7110498041318,
        "length": 134.2977222867453
      },
      {
        "type": "ARC",
        "centre": [
          452073.4730933025,
          6512113.2
        ],
        "radius": 36.52690669750293,
        "start_angle_rad": 0.8621700546615224,
        "sweep_rad": -0.8621700546672264,
        "start": [
          452097.2444890803,
          6512140.933295074
        ],
        "end": [
          452110.0,
          6512113.2
        ],
        "chainage_start": 558.0087720908771,
        "length": 31.492405144210778,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452110.0,
          6512113.2
        ],
        "end": [
          452110.0,
          6512106.8
        ],
        "chainage_start": 589.5011772350879,
        "length": 6.400000000372529
      },
      {
        "type": "ARC",
        "centre": [
          452150.55878784787,
          6512106.8
        ],
        "radius": 40.558787847868,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.7853981633974484,
        "start": [
          452110.0,
          6512106.8
        ],
        "end": [
          452121.8793939239,
          6512078.120606076
        ],
        "chainage_start": 595.9011772354604,
        "length": 31.854797485342274,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452121.8793939239,
          6512078.120606076
        ],
        "end": [
          452138.1206060761,
          6512061.879393924
        ],
        "chainage_start": 627.7559747208027,
        "length": 22.968542494823463
      },
      {
        "type": "ARC",
        "centre": [
          452166.80000000005,
          6512090.558787848
        ],
        "radius": 40.558787847868,
        "start_angle_rad": -2.3561944901943743,
        "sweep_rad": 0.7853981633974484,
        "start": [
          452138.1206060761,
          6512061.879393924
        ],
        "end": [
          452166.8,
          6512050.0
        ],
        "chainage_start": 650.7245172156262,
        "length": 31.854797485342274,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452166.8,
          6512050.0
        ],
        "end": [
          452173.2,
          6512050.0
        ],
        "chainage_start": 682.5793147009684,
        "length": 6.400000000023283
      },
      {
        "type": "ARC",
        "centre": [
          452173.2,
          6512009.441212152
        ],
        "radius": 40.558787847868,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -0.7853981633974484,
        "start": [
          452173.2,
          6512050.0
        ],
        "end": [
          452201.8793939239,
          6512038.120606076
        ],
        "chainage_start": 688.9793147009917,
        "length": 31.854797485342274,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452201.87939392397,
          6512038.120606076
        ],
        "end": [
          452218.1206060761,
          6512021.879393924
        ],
        "chainage_start": 720.834112186334,
        "length": 22.968542494782305
      },
      {
        "type": "ARC",
        "centre": [
          452189.44121215213,
          6511993.2
        ],
        "radius": 40.558787847868,
        "start_angle_rad": 0.7853981633954187,
        "sweep_rad": -0.7853981633974484,
        "start": [
          452218.1206060761,
          6512021.879393924
        ],
        "end": [
          452230.0,
          6511993.2
        ],
        "chainage_start": 743.8026546811163,
        "length": 31.854797485342274,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452230.0,
          6511993.2
        ],
        "end": [
          452230.0,
          6511981.879393924
        ],
        "chainage_start": 775.6574521664586,
        "length": 11.320606076158583
      },
      {
        "type": "ARC",
        "centre": [
          452258.67939392396,
          6511981.879393924
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.7853981633974484,
        "start": [
          452230.0,
          6511981.879393924
        ],
        "end": [
          452238.4,
          6511961.6
        ],
        "chainage_start": 786.9780582426172,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452238.4,
          6511961.600000001
        ],
        "end": [
          452241.6,
          6511958.4
        ],
        "chainage_start": 809.5028015578268,
        "length": 4.5254833996926855
      },
      {
        "type": "ARC",
        "centre": [
          452221.32060607604,
          6511938.120606077
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 0.7853981633859671,
        "sweep_rad": -0.7853981633974484,
        "start": [
          452241.6,
          6511958.4
        ],
        "end": [
          452250.0,
          6511938.120606076
        ],
        "chainage_start": 814.0282849575195,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452250.0,
          6511938.120606077
        ],
        "end": [
          452250.0,
          6511901.879393924
        ],
        "chainage_start": 836.5530282727292,
        "length": 36.24121215287596
      },
      {
        "type": "ARC",
        "centre": [
          452278.67939392396,
          6511901.879393924
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.7853981633974484,
        "start": [
          452250.0,
          6511901.879393924
        ],
        "end": [
          452258.4,
          6511881.6
        ],
        "chainage_start": 872.7942404256052,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452258.4,
          6511881.600000001
        ],
        "end": [
          452261.6,
          6511878.4
        ],
        "chainage_start": 895.3189837408148,
        "length": 4.5254833996926855
      },
      {
        "type": "ARC",
        "centre": [
          452241.32060607604,
          6511858.120606077
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 0.7853981633859671,
        "sweep_rad": -0.7853981633974484,
        "start": [
          452261.6,
          6511878.4
        ],
        "end": [
          452270.0,
          6511858.120606076
        ],
        "chainage_start": 899.8444671405075,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452270.0,
          6511858.120606077
        ],
        "end": [
          452270.0,
          6511841.879393924
        ],
        "chainage_start": 922.3692104557172,
        "length": 16.24121215287596
      },
      {
        "type": "ARC",
        "centre": [
          452298.67939392396,
          6511841.879393924
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 0.7853981633974484,
        "start": [
          452270.0,
          6511841.879393924
        ],
        "end": [
          452278.4,
          6511821.6
        ],
        "chainage_start": 938.6104226085931,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452278.4,
          6511821.600000001
        ],
        "end": [
          452284.7314887948,
          6511815.268511205
        ],
        "chainage_start": 961.1351659238028,
        "length": 8.954077324144153
      },
      {
        "type": "ARC",
        "centre": [
          452297.45079999993,
          6511827.98782241
        ],
        "radius": 17.987822410401968,
        "start_angle_rad": -2.3561944902083622,
        "sweep_rad": 0.7853981633974484,
        "start": [
          452284.7314887948,
          6511815.268511205
        ],
        "end": [
          452297.45079999993,
          6511810.0
        ],
        "chainage_start": 970.0892432479469,
        "length": 14.127602684649169,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          452297.45079999964,
          6511809.999999999
        ],
        "end": [
          452307.7399999999,
          6511810.0
        ],
        "chainage_start": 984.2168459325961,
        "length": 10.289200000232086
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 76.50046507175601,
        "pvi_z": 237.05356596926651,
        "bvc": 56.50046507175601,
        "evc": 96.50046507175601,
        "length": 40.0,
        "g1": 0.0669219491301102,
        "g2": 0.1131156851711088,
        "z_bvc": 235.7151269866643,
        "K_m_per_percent": 8.659182700550257
      },
      {
        "pvi_ch": 153.00093014351202,
        "pvi_z": 245.70696849176667,
        "bvc": 133.00093014351202,
        "evc": 173.00093014351202,
        "length": 40.0,
        "g1": 0.1131156851711088,
        "g2": 0.15354872863486246,
        "z_bvc": 243.4446547883445,
        "K_m_per_percent": 9.892898622844983
      },
      {
        "pvi_ch": 229.50139521526802,
        "pvi_z": 257.4535176435105,
        "bvc": 209.50139521526802,
        "evc": 249.50139521526802,
        "length": 40.0,
        "g1": 0.15354872863486246,
        "g2": 0.11936122343398023,
        "z_bvc": 254.38254307081326,
        "K_m_per_percent": 11.700181035429216
      },
      {
        "pvi_ch": 306.00186028702404,
        "pvi_z": 266.5847067477438,
        "bvc": 278.86219984733526,
        "evc": 333.1415207267128,
        "length": 54.279320879377615,
        "g1": 0.11936122343398023,
        "g2": 0.028895688635017548,
        "z_bvc": 263.3452836740797,
        "K_m_per_percent": 6.000000000000001
      },
      {
        "pvi_ch": 382.50232535878007,
        "pvi_z": 268.7952403668913,
        "bvc": 356.74776219246075,
        "evc": 408.2568885250994,
        "length": 51.50912633263868,
        "g1": 0.028895688635017548,
        "g2": -0.05695285525271359,
        "z_bvc": 268.0510445287064,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 459.00279043053604,
        "pvi_z": 264.4383204528943,
        "bvc": 439.00279043053604,
        "evc": 479.00279043053604,
        "length": 40.0,
        "g1": -0.05695285525271359,
        "g2": -0.1128032491760503,
        "z_bvc": 265.5773775579486,
        "K_m_per_percent": 7.1619906665127875
      },
      {
        "pvi_ch": 535.5032555022921,
        "pvi_z": 255.80881942932126,
        "bvc": 515.5032555022921,
        "evc": 555.5032555022921,
        "length": 40.0,
        "g1": -0.1128032491760503,
        "g2": -0.13103264006965995,
        "z_bvc": 258.0648844128423,
        "K_m_per_percent": 21.942587239172138
      },
      {
        "pvi_ch": 612.0037205740481,
        "pvi_z": 245.78476152441226,
        "bvc": 592.0037205740481,
        "evc": 632.0037205740481,
        "length": 40.0,
        "g1": -0.13103264006965995,
        "g2": -0.1309570975069302,
        "z_bvc": 248.40541432580545,
        "K_m_per_percent": 5295.028200604077
      },
      {
        "pvi_ch": 688.5041856458041,
        "pvi_z": 235.7664826606848,
        "bvc": 668.5041856458041,
        "evc": 708.5041856458041,
        "length": 40.0,
        "g1": -0.1309570975069302,
        "g2": -0.08694822760721349,
        "z_bvc": 238.3856246108234,
        "K_m_per_percent": 9.089076836362366
      },
      {
        "pvi_ch": 765.0046507175601,
        "pvi_z": 229.11490281156807,
        "bvc": 736.1032255553492,
        "evc": 793.906075879771,
        "length": 57.80285032442186,
        "g1": -0.08694822760721349,
        "g2": 0.009389856266822942,
        "z_bvc": 231.62783050474482,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 841.5051157893162,
        "pvi_z": 229.83323118293697,
        "bvc": 821.5051157893162,
        "evc": 861.5051157893162,
        "length": 40.0,
        "g1": 0.009389856266822942,
        "g2": 0.05498815528682856,
        "z_bvc": 229.6454340576005,
        "K_m_per_percent": 8.772257048985656
      },
      {
        "pvi_ch": 918.0055808610721,
        "pvi_z": 234.0398506358173,
        "bvc": 898.0055808610721,
        "evc": 938.0055808610721,
        "length": 40.0,
        "g1": 0.05498815528682856,
        "g2": 0.04466875607850821,
        "z_bvc": 232.94008753008072,
        "K_m_per_percent": 38.761946497571984
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451610.0,
        "northing": 6512190.0,
        "existing_z": 231.934,
        "design_z": 231.934,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451610.0,
        "northing": 6512200.0,
        "existing_z": 232.2611,
        "design_z": 232.6032,
        "delta_z": 0.3421
      },
      {
        "ch": 20.0,
        "easting": 451611.715,
        "northing": 6512209.7619,
        "existing_z": 232.6472,
        "design_z": 233.2724,
        "delta_z": 0.6252
      },
      {
        "ch": 30.0,
        "easting": 451617.6881,
        "northing": 6512217.6881,
        "existing_z": 233.1202,
        "design_z": 233.9417,
        "delta_z": 0.8215
      },
      {
        "ch": 40.0,
        "easting": 451624.7592,
        "northing": 6512224.7592,
        "existing_z": 233.632,
        "design_z": 234.6109,
        "delta_z": 0.9788
      },
      {
        "ch": 50.0,
        "easting": 451631.8302,
        "northing": 6512231.8302,
        "existing_z": 234.2098,
        "design_z": 235.2801,
        "delta_z": 1.0703
      },
      {
        "ch": 56.5005,
        "easting": 451636.5516,
        "northing": 6512236.2951,
        "existing_z": 234.6806,
        "design_z": 235.7151,
        "delta_z": 1.0345
      },
      {
        "ch": 60.0,
        "easting": 451639.2826,
        "northing": 6512238.4825,
        "existing_z": 234.9421,
        "design_z": 235.9564,
        "delta_z": 1.0143
      },
      {
        "ch": 70.0,
        "easting": 451647.7568,
        "northing": 6512243.7678,
        "existing_z": 235.711,
        "design_z": 236.7238,
        "delta_z": 1.0128
      },
      {
        "ch": 76.5005,
        "easting": 451653.7054,
        "northing": 6512246.3803,
        "existing_z": 236.2975,
        "design_z": 237.2845,
        "delta_z": 0.9871
      },
      {
        "ch": 80.0,
        "easting": 451657.0194,
        "northing": 6512247.5031,
        "existing_z": 236.6399,
        "design_z": 237.6066,
        "delta_z": 0.9668
      },
      {
        "ch": 90.0,
        "easting": 451666.7894,
        "northing": 6512249.575,
        "existing_z": 237.6075,
        "design_z": 238.605,
        "delta_z": 0.9975
      },
      {
        "ch": 96.5005,
        "easting": 451673.2726,
        "northing": 6512249.9979,
        "existing_z": 238.2676,
        "design_z": 239.3159,
        "delta_z": 1.0483
      },
      {
        "ch": 100.0,
        "easting": 451676.7721,
        "northing": 6512250.0,
        "existing_z": 238.6428,
        "design_z": 239.7117,
        "delta_z": 1.069
      },
      {
        "ch": 110.0,
        "easting": 451686.7721,
        "northing": 6512250.0,
        "existing_z": 239.7148,
        "design_z": 240.8429,
        "delta_z": 1.1281
      },
      {
        "ch": 120.0,
        "easting": 451696.7721,
        "northing": 6512250.0,
        "existing_z": 240.8661,
        "design_z": 241.974,
        "delta_z": 1.108
      },
      {
        "ch": 130.0,
        "easting": 451706.7721,
        "northing": 6512250.0,
        "existing_z": 242.0552,
        "design_z": 243.1052,
        "delta_z": 1.05
      },
      {
        "ch": 133.0009,
        "easting": 451709.7731,
        "northing": 6512250.0,
        "existing_z": 242.412,
        "design_z": 243.4447,
        "delta_z": 1.0326
      },
      {
        "ch": 140.0,
        "easting": 451716.7721,
        "northing": 6512250.0,
        "existing_z": 243.3026,
        "design_z": 244.2611,
        "delta_z": 0.9586
      },
      {
        "ch": 150.0,
        "easting": 451726.7721,
        "northing": 6512250.0,
        "existing_z": 244.5777,
        "design_z": 245.5136,
        "delta_z": 0.9359
      },
      {
        "ch": 153.0009,
        "easting": 451729.7731,
        "northing": 6512250.0,
        "existing_z": 244.9603,
        "design_z": 245.9091,
        "delta_z": 0.9488
      },
      {
        "ch": 160.0,
        "easting": 451736.7721,
        "northing": 6512250.0,
        "existing_z": 245.938,
        "design_z": 246.8671,
        "delta_z": 0.9291
      },
      {
        "ch": 170.0,
        "easting": 451746.7721,
        "northing": 6512250.0,
        "existing_z": 247.339,
        "design_z": 248.3217,
        "delta_z": 0.9827
      },
      {
        "ch": 173.0009,
        "easting": 451749.7731,
        "northing": 6512250.0,
        "existing_z": 247.7594,
        "design_z": 248.7779,
        "delta_z": 1.0185
      },
      {
        "ch": 180.0,
        "easting": 451756.7721,
        "northing": 6512250.0,
        "existing_z": 248.8827,
        "design_z": 249.8526,
        "delta_z": 0.97
      },
      {
        "ch": 190.0,
        "easting": 451766.7721,
        "northing": 6512250.0,
        "existing_z": 250.4943,
        "design_z": 251.3881,
        "delta_z": 0.8939
      },
      {
        "ch": 200.0,
        "easting": 451776.7721,
        "northing": 6512250.0,
        "existing_z": 252.2723,
        "design_z": 252.9236,
        "delta_z": 0.6513
      },
      {
        "ch": 209.5014,
        "easting": 451786.2735,
        "northing": 6512250.0,
        "existing_z": 254.037,
        "design_z": 254.3825,
        "delta_z": 0.3456
      },
      {
        "ch": 210.0,
        "easting": 451786.7721,
        "northing": 6512250.0,
        "existing_z": 254.1296,
        "design_z": 254.459,
        "delta_z": 0.3294
      },
      {
        "ch": 220.0,
        "easting": 451796.7721,
        "northing": 6512250.0,
        "existing_z": 256.0816,
        "design_z": 255.9475,
        "delta_z": -0.1341
      },
      {
        "ch": 229.5014,
        "easting": 451806.2735,
        "northing": 6512250.0,
        "existing_z": 257.9792,
        "design_z": 257.2826,
        "delta_z": -0.6966
      },
      {
        "ch": 230.0,
        "easting": 451806.7721,
        "northing": 6512250.0,
        "existing_z": 258.0788,
        "design_z": 257.3505,
        "delta_z": -0.7283
      },
      {
        "ch": 240.0,
        "easting": 451816.7721,
        "northing": 6512250.0,
        "existing_z": 259.9975,
        "design_z": 258.6681,
        "delta_z": -1.3295
      },
      {
        "ch": 249.5014,
        "easting": 451826.2735,
        "northing": 6512250.0,
        "existing_z": 261.7851,
        "design_z": 259.8407,
        "delta_z": -1.9444
      },
      {
        "ch": 250.0,
        "easting": 451826.7721,
        "northing": 6512250.0,
        "existing_z": 261.8789,
        "design_z": 259.9003,
        "delta_z": -1.9787
      },
      {
        "ch": 260.0,
        "easting": 451836.7721,
        "northing": 6512250.0,
        "existing_z": 263.4249,
        "design_z": 261.0939,
        "delta_z": -2.331
      },
      {
        "ch": 270.0,
        "easting": 451846.7721,
        "northing": 6512250.0,
        "existing_z": 264.811,
        "design_z": 262.2875,
        "delta_z": -2.5236
      },
      {
        "ch": 278.8622,
        "easting": 451855.6343,
        "northing": 6512250.0,
        "existing_z": 265.7811,
        "design_z": 263.3453,
        "delta_z": -2.4358
      },
      {
        "ch": 280.0,
        "easting": 451856.7721,
        "northing": 6512250.0,
        "existing_z": 265.8867,
        "design_z": 263.48,
        "delta_z": -2.4067
      },
      {
        "ch": 290.0,
        "easting": 451866.7721,
        "northing": 6512250.0,
        "existing_z": 266.8144,
        "design_z": 264.5713,
        "delta_z": -2.243
      },
      {
        "ch": 300.0,
        "easting": 451876.7721,
        "northing": 6512250.0,
        "existing_z": 267.569,
        "design_z": 265.496,
        "delta_z": -2.073
      },
      {
        "ch": 306.0019,
        "easting": 451882.774,
        "northing": 6512250.0,
        "existing_z": 267.9724,
        "design_z": 265.9709,
        "delta_z": -2.0014
      },
      {
        "ch": 310.0,
        "easting": 451886.7721,
        "northing": 6512250.0,
        "existing_z": 268.2411,
        "design_z": 266.254,
        "delta_z": -1.9871
      },
      {
        "ch": 320.0,
        "easting": 451896.7721,
        "northing": 6512250.0,
        "existing_z": 268.7899,
        "design_z": 266.8453,
        "delta_z": -1.9446
      },
      {
        "ch": 330.0,
        "easting": 451906.7721,
        "northing": 6512250.0,
        "existing_z": 269.2798,
        "design_z": 267.2699,
        "delta_z": -2.0099
      },
      {
        "ch": 333.1415,
        "easting": 451909.9137,
        "northing": 6512250.0,
        "existing_z": 269.4337,
        "design_z": 267.3689,
        "delta_z": -2.0648
      },
      {
        "ch": 340.0,
        "easting": 451916.7721,
        "northing": 6512250.0,
        "existing_z": 269.6541,
        "design_z": 267.5671,
        "delta_z": -2.087
      },
      {
        "ch": 350.0,
        "easting": 451926.7721,
        "northing": 6512250.0,
        "existing_z": 269.9733,
        "design_z": 267.8561,
        "delta_z": -2.1172
      },
      {
        "ch": 356.7478,
        "easting": 451933.5199,
        "northing": 6512250.0,
        "existing_z": 270.1116,
        "design_z": 268.051,
        "delta_z": -2.0606
      },
      {
        "ch": 360.0,
        "easting": 451936.7721,
        "northing": 6512250.0,
        "existing_z": 270.1443,
        "design_z": 268.1362,
        "delta_z": -2.0081
      },
      {
        "ch": 370.0,
        "easting": 451946.7512,
        "northing": 6512249.4377,
        "existing_z": 270.2181,
        "design_z": 268.2876,
        "delta_z": -1.9305
      },
      {
        "ch": 380.0,
        "easting": 451956.6063,
        "northing": 6512247.7725,
        "existing_z": 270.0527,
        "design_z": 268.2724,
        "delta_z": -1.7803
      },
      {
        "ch": 382.5023,
        "easting": 451959.0387,
        "northing": 6512247.1854,
        "existing_z": 269.9815,
        "design_z": 268.2425,
        "delta_z": -1.739
      },
      {
        "ch": 390.0,
        "easting": 451966.2161,
        "northing": 6512245.0247,
        "existing_z": 269.7536,
        "design_z": 268.0905,
        "delta_z": -1.6631
      },
      {
        "ch": 400.0,
        "easting": 451975.4619,
        "northing": 6512241.2284,
        "existing_z": 269.2714,
        "design_z": 267.7419,
        "delta_z": -1.5295
      },
      {
        "ch": 408.2569,
        "easting": 451982.7406,
        "northing": 6512237.3362,
        "existing_z": 268.7977,
        "design_z": 267.3284,
        "delta_z": -1.4693
      },
      {
        "ch": 410.0,
        "easting": 451984.2297,
        "northing": 6512236.4302,
        "existing_z": 268.7003,
        "design_z": 267.2292,
        "delta_z": -1.4711
      },
      {
        "ch": 420.0,
        "easting": 451992.4114,
        "northing": 6512230.6894,
        "existing_z": 268.1023,
        "design_z": 266.6596,
        "delta_z": -1.4426
      },
      {
        "ch": 430.0,
        "easting": 452000.053,
        "northing": 6512224.2403,
        "existing_z": 267.3484,
        "design_z": 266.0901,
        "delta_z": -1.2583
      },
      {
        "ch": 439.0028,
        "easting": 452006.8884,
        "northing": 6512218.3814,
        "existing_z": 266.7418,
        "design_z": 265.5774,
        "delta_z": -1.1644
      },
      {
        "ch": 440.0,
        "easting": 452007.6455,
        "northing": 6512217.7324,
        "existing_z": 266.6794,
        "design_z": 265.5199,
        "delta_z": -1.1595
      },
      {
        "ch": 450.0,
        "easting": 452015.2381,
        "northing": 6512211.2245,
        "existing_z": 265.9833,
        "design_z": 264.8666,
        "delta_z": -1.1167
      },
      {
        "ch": 459.0028,
        "easting": 452022.0735,
        "northing": 6512205.3655,
        "existing_z": 265.2272,
        "design_z": 264.1591,
        "delta_z": -1.0682
      },
      {
        "ch": 460.0,
        "easting": 452022.8307,
        "northing": 6512204.7166,
        "existing_z": 265.1426,
        "design_z": 264.0737,
        "delta_z": -1.0689
      },
      {
        "ch": 470.0,
        "easting": 452030.4232,
        "northing": 6512198.2086,
        "existing_z": 264.3208,
        "design_z": 263.1412,
        "delta_z": -1.1796
      },
      {
        "ch": 479.0028,
        "easting": 452037.2587,
        "northing": 6512192.3497,
        "existing_z": 263.4014,
        "design_z": 262.1823,
        "delta_z": -1.2192
      },
      {
        "ch": 480.0,
        "easting": 452038.0158,
        "northing": 6512191.7007,
        "existing_z": 263.3064,
        "design_z": 262.0698,
        "delta_z": -1.2366
      },
      {
        "ch": 490.0,
        "easting": 452045.6084,
        "northing": 6512185.1928,
        "existing_z": 262.1673,
        "design_z": 260.9417,
        "delta_z": -1.2255
      },
      {
        "ch": 500.0,
        "easting": 452053.2009,
        "northing": 6512178.6849,
        "existing_z": 260.9056,
        "design_z": 259.8137,
        "delta_z": -1.0919
      },
      {
        "ch": 510.0,
        "easting": 452060.7935,
        "northing": 6512172.177,
        "existing_z": 259.6079,
        "design_z": 258.6857,
        "delta_z": -0.9222
      },
      {
        "ch": 515.5033,
        "easting": 452064.9719,
        "northing": 6512168.5955,
        "existing_z": 258.8772,
        "design_z": 258.0649,
        "delta_z": -0.8123
      },
      {
        "ch": 520.0,
        "easting": 452068.3861,
        "northing": 6512165.6691,
        "existing_z": 258.2086,
        "design_z": 257.553,
        "delta_z": -0.6556
      },
      {
        "ch": 530.0,
        "easting": 452075.9786,
        "northing": 6512159.1612,
        "existing_z": 256.7281,
        "design_z": 256.3817,
        "delta_z": -0.3464
      },
      {
        "ch": 535.5033,
        "easting": 452080.157,
        "northing": 6512155.5797,
        "existing_z": 255.9644,
        "design_z": 255.7177,
        "delta_z": -0.2467
      },
      {
        "ch": 540.0,
        "easting": 452083.5712,
        "northing": 6512152.6532,
        "existing_z": 255.3742,
        "design_z": 255.1648,
        "delta_z": -0.2093
      },
      {
        "ch": 550.0,
        "easting": 452091.1638,
        "northing": 6512146.1453,
        "existing_z": 253.9839,
        "design_z": 253.9024,
        "delta_z": -0.0815
      },
      {
        "ch": 555.5033,
        "easting": 452095.3422,
        "northing": 6512142.5639,
        "existing_z": 253.165,
        "design_z": 253.1882,
        "delta_z": 0.0232
      },
      {
        "ch": 560.0,
        "easting": 452098.7203,
        "northing": 6512139.5969,
        "existing_z": 252.5255,
        "design_z": 252.5989,
        "delta_z": 0.0734
      },
      {
        "ch": 570.0,
        "easting": 452104.9168,
        "northing": 6512131.7879,
        "existing_z": 251.1883,
        "design_z": 251.2886,
        "delta_z": 0.1003
      },
      {
        "ch": 580.0,
        "easting": 452108.7713,
        "northing": 6512122.5944,
        "existing_z": 249.8597,
        "design_z": 249.9783,
        "delta_z": 0.1186
      },
      {
        "ch": 590.0,
        "easting": 452110.0,
        "northing": 6512112.7012,
        "existing_z": 248.6421,
        "design_z": 248.668,
        "delta_z": 0.0258
      },
      {
        "ch": 592.0037,
        "easting": 452110.0,
        "northing": 6512110.6975,
        "existing_z": 248.4129,
        "design_z": 248.4054,
        "delta_z": -0.0075
      },
      {
        "ch": 600.0,
        "easting": 452110.2069,
        "northing": 6512102.7082,
        "existing_z": 247.4663,
        "design_z": 247.3577,
        "delta_z": -0.1086
      },
      {
        "ch": 610.0,
        "easting": 452112.4259,
        "northing": 6512092.9834,
        "existing_z": 246.143,
        "design_z": 246.0476,
        "delta_z": -0.0954
      },
      {
        "ch": 612.0037,
        "easting": 452113.1547,
        "northing": 6512091.1172,
        "existing_z": 245.8652,
        "design_z": 245.7851,
        "delta_z": -0.08
      },
      {
        "ch": 620.0,
        "easting": 452116.9512,
        "northing": 6512084.0943,
        "existing_z": 244.7681,
        "design_z": 244.7377,
        "delta_z": -0.0304
      },
      {
        "ch": 630.0,
        "easting": 452123.4662,
        "northing": 6512076.5338,
        "existing_z": 243.4327,
        "design_z": 243.428,
        "delta_z": -0.0047
      },
      {
        "ch": 632.0037,
        "easting": 452124.883,
        "northing": 6512075.117,
        "existing_z": 243.173,
        "design_z": 243.1656,
        "delta_z": -0.0074
      },
      {
        "ch": 640.0,
        "easting": 452130.5372,
        "northing": 6512069.4628,
        "existing_z": 242.137,
        "design_z": 242.1185,
        "delta_z": -0.0186
      },
      {
        "ch": 650.0,
        "easting": 452137.6083,
        "northing": 6512062.3917,
        "existing_z": 240.6604,
        "design_z": 240.8089,
        "delta_z": 0.1485
      },
      {
        "ch": 660.0,
        "easting": 452145.369,
        "northing": 6512056.1244,
        "existing_z": 239.264,
        "design_z": 239.4993,
        "delta_z": 0.2353
      },
      {
        "ch": 668.5042,
        "easting": 452153.0057,
        "northing": 6512052.4178,
        "existing_z": 238.0718,
        "design_z": 238.3856,
        "delta_z": 0.3138
      },
      {
        "ch": 670.0,
        "easting": 452154.4214,
        "northing": 6512051.9352,
        "existing_z": 237.8474,
        "design_z": 238.191,
        "delta_z": 0.3436
      },
      {
        "ch": 680.0,
        "easting": 452164.2224,
        "northing": 6512050.082,
        "existing_z": 236.4166,
        "design_z": 236.9529,
        "delta_z": 0.5362
      },
      {
        "ch": 688.5042,
        "easting": 452172.7249,
        "northing": 6512050.0,
        "existing_z": 235.2652,
        "design_z": 235.9865,
        "delta_z": 0.7213
      },
      {
        "ch": 690.0,
        "easting": 452174.2206,
        "northing": 6512049.9872,
        "existing_z": 235.0561,
        "design_z": 235.8248,
        "delta_z": 0.7687
      },
      {
        "ch": 700.0,
        "easting": 452184.0856,
        "northing": 6512048.5119,
        "existing_z": 233.6117,
        "design_z": 234.8067,
        "delta_z": 1.195
      },
      {
        "ch": 708.5042,
        "easting": 452191.9794,
        "northing": 6512045.3905,
        "existing_z": 232.3994,
        "design_z": 234.0275,
        "delta_z": 1.6281
      },
      {
        "ch": 710.0,
        "easting": 452193.2922,
        "northing": 6512044.6736,
        "existing_z": 232.1994,
        "design_z": 233.8975,
        "delta_z": 1.698
      },
      {
        "ch": 720.0,
        "easting": 452201.2836,
        "northing": 6512038.7043,
        "existing_z": 230.9525,
        "design_z": 233.028,
        "delta_z": 2.0755
      },
      {
        "ch": 730.0,
        "easting": 452208.3607,
        "northing": 6512031.6393,
        "existing_z": 229.8481,
        "design_z": 232.1585,
        "delta_z": 2.3104
      },
      {
        "ch": 736.1032,
        "easting": 452212.6763,
        "northing": 6512027.3237,
        "existing_z": 229.2648,
        "design_z": 231.6278,
        "delta_z": 2.363
      },
      {
        "ch": 740.0,
        "easting": 452215.4317,
        "northing": 6512024.5683,
        "existing_z": 228.9274,
        "design_z": 231.3017,
        "delta_z": 2.3743
      },
      {
        "ch": 750.0,
        "easting": 452222.1516,
        "northing": 6512017.1801,
        "existing_z": 228.1366,
        "design_z": 230.5805,
        "delta_z": 2.4439
      },
      {
        "ch": 760.0,
        "easting": 452227.0151,
        "northing": 6512008.4714,
        "existing_z": 227.5888,
        "design_z": 230.0259,
        "delta_z": 2.4371
      },
      {
        "ch": 765.0047,
        "easting": 452228.609,
        "northing": 6512003.7307,
        "existing_z": 227.4663,
        "design_z": 229.811,
        "delta_z": 2.3447
      },
      {
        "ch": 770.0,
        "easting": 452229.6061,
        "northing": 6511998.8391,
        "existing_z": 227.4061,
        "design_z": 229.6381,
        "delta_z": 2.232
      },
      {
        "ch": 780.0,
        "easting": 452230.0,
        "northing": 6511988.8575,
        "existing_z": 227.4519,
        "design_z": 229.4169,
        "delta_z": 1.9649
      },
      {
        "ch": 790.0,
        "easting": 452230.1591,
        "northing": 6511978.863,
        "existing_z": 227.6902,
        "design_z": 229.3623,
        "delta_z": 1.6721
      },
      {
        "ch": 793.9061,
        "easting": 452230.8327,
        "northing": 6511975.0186,
        "existing_z": 227.7515,
        "design_z": 229.3863,
        "delta_z": 1.6348
      },
      {
        "ch": 800.0,
        "easting": 452232.9059,
        "northing": 6511969.3003,
        "existing_z": 227.8133,
        "design_z": 229.4435,
        "delta_z": 1.6302
      },
      {
        "ch": 810.0,
        "easting": 452238.7516,
        "northing": 6511961.2484,
        "existing_z": 227.9373,
        "design_z": 229.5374,
        "delta_z": 1.6001
      },
      {
        "ch": 820.0,
        "easting": 452245.3542,
        "northing": 6511953.7698,
        "existing_z": 228.0582,
        "design_z": 229.6313,
        "delta_z": 1.5731
      },
      {
        "ch": 821.5051,
        "easting": 452246.142,
        "northing": 6511952.4875,
        "existing_z": 228.0974,
        "design_z": 229.6454,
        "delta_z": 1.5481
      },
      {
        "ch": 830.0,
        "easting": 452249.2546,
        "northing": 6511944.6168,
        "existing_z": 228.4838,
        "design_z": 229.7663,
        "delta_z": 1.2825
      },
      {
        "ch": 840.0,
        "easting": 452250.0,
        "northing": 6511934.6736,
        "existing_z": 229.1328,
        "design_z": 230.0141,
        "delta_z": 0.8813
      },
      {
        "ch": 841.5051,
        "easting": 452250.0,
        "northing": 6511933.1685,
        "existing_z": 229.2347,
        "design_z": 230.0612,
        "delta_z": 0.8265
      },
      {
        "ch": 850.0,
        "easting": 452250.0,
        "northing": 6511924.6736,
        "existing_z": 229.8365,
        "design_z": 230.3758,
        "delta_z": 0.5393
      },
      {
        "ch": 860.0,
        "easting": 452250.0,
        "northing": 6511914.6736,
        "existing_z": 230.5635,
        "design_z": 230.8515,
        "delta_z": 0.288
      },
      {
        "ch": 861.5051,
        "easting": 452250.0,
        "northing": 6511913.1685,
        "existing_z": 230.6729,
        "design_z": 230.933,
        "delta_z": 0.2601
      },
      {
        "ch": 870.0,
        "easting": 452250.0,
        "northing": 6511904.6736,
        "existing_z": 231.2976,
        "design_z": 231.4001,
        "delta_z": 0.1026
      },
      {
        "ch": 880.0,
        "easting": 452250.9005,
        "northing": 6511894.7492,
        "existing_z": 232.0317,
        "design_z": 231.95,
        "delta_z": -0.0817
      },
      {
        "ch": 890.0,
        "easting": 452255.0082,
        "northing": 6511885.6873,
        "existing_z": 232.6939,
        "design_z": 232.4999,
        "delta_z": -0.1941
      },
      {
        "ch": 898.0056,
        "easting": 452260.2997,
        "northing": 6511879.7003,
        "existing_z": 233.1416,
        "design_z": 232.9401,
        "delta_z": -0.2015
      },
      {
        "ch": 900.0,
        "easting": 452261.7097,
        "northing": 6511878.2897,
        "existing_z": 233.2509,
        "design_z": 233.0492,
        "delta_z": -0.2017
      },
      {
        "ch": 910.0,
        "easting": 452267.3737,
        "northing": 6511870.1099,
        "existing_z": 233.8928,
        "design_z": 233.5811,
        "delta_z": -0.3117
      },
      {
        "ch": 918.0056,
        "easting": 452269.6687,
        "northing": 6511862.4674,
        "existing_z": 234.3981,
        "design_z": 233.9883,
        "delta_z": -0.4099
      },
      {
        "ch": 920.0,
        "easting": 452269.9022,
        "northing": 6511860.4871,
        "existing_z": 234.5268,
        "design_z": 234.0871,
        "delta_z": -0.4397
      },
      {
        "ch": 930.0,
        "easting": 452270.0,
        "northing": 6511850.4898,
        "existing_z": 235.1656,
        "design_z": 234.5674,
        "delta_z": -0.5983
      },
      {
        "ch": 938.0056,
        "easting": 452270.0,
        "northing": 6511842.4842,
        "existing_z": 235.5604,
        "design_z": 234.9332,
        "delta_z": -0.6272
      },
      {
        "ch": 940.0,
        "easting": 452270.0337,
        "northing": 6511840.4904,
        "existing_z": 235.6574,
        "design_z": 235.0223,
        "delta_z": -0.6351
      },
      {
        "ch": 950.0,
        "easting": 452272.232,
        "northing": 6511830.7869,
        "existing_z": 236.1654,
        "design_z": 235.469,
        "delta_z": -0.6964
      },
      {
        "ch": 960.0,
        "easting": 452277.6134,
        "northing": 6511822.4184,
        "existing_z": 236.5499,
        "design_z": 235.9157,
        "delta_z": -0.6342
      },
      {
        "ch": 970.0,
        "easting": 452284.6684,
        "northing": 6511815.3316,
        "existing_z": 236.9248,
        "design_z": 236.3624,
        "delta_z": -0.5624
      },
      {
        "ch": 980.0,
        "easting": 452293.2725,
        "northing": 6511810.492,
        "existing_z": 237.2442,
        "design_z": 236.8091,
        "delta_z": -0.4352
      },
      {
        "ch": 990.0,
        "easting": 452303.234,
        "northing": 6511810.0,
        "existing_z": 237.3961,
        "design_z": 237.2558,
        "delta_z": -0.1404
      },
      {
        "ch": 994.506,
        "easting": 452307.74,
        "northing": 6511810.0,
        "existing_z": 237.457,
        "design_z": 237.457,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD411",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 67.05,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.2,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450710.0,
          6512130.0
        ],
        "end": [
          450681.8793939239,
          6512130.0
        ],
        "chainage_start": 0,
        "length": 28.120606076088734
      },
      {
        "type": "ARC",
        "centre": [
          450681.8793939239,
          6512101.320606076
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450681.8793939239,
          6512130.0
        ],
        "end": [
          450661.6,
          6512121.6
        ],
        "chainage_start": 28.120606076088734,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450661.6,
          6512121.6
        ],
        "end": [
          450650.0,
          6512110.0
        ],
        "chainage_start": 50.64534939129843,
        "length": 16.40487732324802
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450710.0,
        "northing": 6512130.0,
        "existing_z": 273.8654,
        "design_z": 273.8654,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450700.0,
        "northing": 6512130.0,
        "existing_z": 273.9046,
        "design_z": 274.2858,
        "delta_z": 0.3812
      },
      {
        "ch": 20.0,
        "easting": 450690.0,
        "northing": 6512130.0,
        "existing_z": 273.9438,
        "design_z": 274.7063,
        "delta_z": 0.7625
      },
      {
        "ch": 30.0,
        "easting": 450680.0013,
        "northing": 6512129.9384,
        "existing_z": 274.0445,
        "design_z": 275.1267,
        "delta_z": 1.0822
      },
      {
        "ch": 40.0,
        "easting": 450670.3368,
        "northing": 6512127.5747,
        "existing_z": 274.4353,
        "design_z": 275.5471,
        "delta_z": 1.1118
      },
      {
        "ch": 50.0,
        "easting": 450662.0614,
        "northing": 6512122.0512,
        "existing_z": 275.2123,
        "design_z": 275.9676,
        "delta_z": 0.7552
      },
      {
        "ch": 60.0,
        "easting": 450654.9853,
        "northing": 6512114.9853,
        "existing_z": 276.1005,
        "design_z": 276.388,
        "delta_z": 0.2875
      },
      {
        "ch": 67.0502,
        "easting": 450650.0,
        "northing": 6512110.0,
        "existing_z": 276.6844,
        "design_z": 276.6844,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD412",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 120.0,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.89,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451610.0,
          6512070.0
        ],
        "end": [
          451610.0,
          6512190.0
        ],
        "chainage_start": 0,
        "length": 120.0
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 60.0,
        "pvi_z": 229.59882097809088,
        "bvc": 40.0,
        "evc": 80.0,
        "length": 40.0,
        "g1": 0.03805067230737412,
        "g2": 0.038919745986896716,
        "z_bvc": 228.8378075319434,
        "K_m_per_percent": 460.26017059880365
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451610.0,
        "northing": 6512070.0,
        "existing_z": 227.3158,
        "design_z": 227.3158,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451610.0,
        "northing": 6512080.0,
        "existing_z": 227.6934,
        "design_z": 227.6963,
        "delta_z": 0.0029
      },
      {
        "ch": 20.0,
        "easting": 451610.0,
        "northing": 6512090.0,
        "existing_z": 228.071,
        "design_z": 228.0768,
        "delta_z": 0.0058
      },
      {
        "ch": 30.0,
        "easting": 451610.0,
        "northing": 6512100.0,
        "existing_z": 228.4607,
        "design_z": 228.4573,
        "delta_z": -0.0034
      },
      {
        "ch": 40.0,
        "easting": 451610.0,
        "northing": 6512110.0,
        "existing_z": 228.8504,
        "design_z": 228.8378,
        "delta_z": -0.0126
      },
      {
        "ch": 50.0,
        "easting": 451610.0,
        "northing": 6512120.0,
        "existing_z": 229.218,
        "design_z": 229.2194,
        "delta_z": 0.0014
      },
      {
        "ch": 60.0,
        "easting": 451610.0,
        "northing": 6512130.0,
        "existing_z": 229.5856,
        "design_z": 229.6032,
        "delta_z": 0.0175
      },
      {
        "ch": 70.0,
        "easting": 451610.0,
        "northing": 6512140.0,
        "existing_z": 229.9913,
        "design_z": 229.9891,
        "delta_z": -0.0022
      },
      {
        "ch": 80.0,
        "easting": 451610.0,
        "northing": 6512150.0,
        "existing_z": 230.397,
        "design_z": 230.3772,
        "delta_z": -0.0198
      },
      {
        "ch": 90.0,
        "easting": 451610.0,
        "northing": 6512160.0,
        "existing_z": 230.8002,
        "design_z": 230.7664,
        "delta_z": -0.0337
      },
      {
        "ch": 100.0,
        "easting": 451610.0,
        "northing": 6512170.0,
        "existing_z": 231.2033,
        "design_z": 231.1556,
        "delta_z": -0.0477
      },
      {
        "ch": 110.0,
        "easting": 451610.0,
        "northing": 6512180.0,
        "existing_z": 231.5686,
        "design_z": 231.5448,
        "delta_z": -0.0238
      },
      {
        "ch": 120.0,
        "easting": 451610.0,
        "northing": 6512190.0,
        "existing_z": 231.934,
        "design_z": 231.934,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD413",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 403.174,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 15.51,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451707.33,
          6511992.92
        ],
        "end": [
          451678.33,
          6512043.148
        ],
        "chainage_start": 0,
        "length": 57.99872398606693
      },
      {
        "type": "ARC",
        "centre": [
          451714.70138851146,
          6512064.147646947
        ],
        "radius": 41.998369898531344,
        "start_angle_rad": -2.617981175815117,
        "sweep_rad": -1.570813139000588,
        "start": [
          451678.33,
          6512043.148
        ],
        "end": [
          451693.70235305105,
          6512100.519388503
        ],
        "chainage_start": 57.99872398606693,
        "length": 65.97159125321983,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451693.70235305093,
          6512100.519388503
        ],
        "end": [
          451935.5,
          6512240.12
        ],
        "chainage_start": 123.97031523928675,
        "length": 279.20321058391005
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 67.19558763719947,
        "pvi_z": 230.1231978300812,
        "bvc": 47.195587637199466,
        "evc": 87.19558763719947,
        "length": 40.0,
        "g1": 0.041706437879473625,
        "g2": 0.07847484562314425,
        "z_bvc": 229.28906907249174,
        "K_m_per_percent": 10.878904596265981
      },
      {
        "pvi_ch": 134.39117527439893,
        "pvi_z": 235.3963611964669,
        "bvc": 114.39117527439893,
        "evc": 154.39117527439893,
        "length": 40.0,
        "g1": 0.07847484562314425,
        "g2": 0.12318886139555553,
        "z_bvc": 233.82686428400402,
        "K_m_per_percent": 8.945740906742747
      },
      {
        "pvi_ch": 201.58676291159838,
        "pvi_z": 243.67410912829877,
        "bvc": 181.58676291159838,
        "evc": 221.58676291159838,
        "length": 40.0,
        "g1": 0.12318886139555553,
        "g2": 0.15506065676682024,
        "z_bvc": 241.21033190038764,
        "K_m_per_percent": 12.550281380152057
      },
      {
        "pvi_ch": 268.78235054879787,
        "pvi_z": 254.09350107915535,
        "bvc": 248.78235054879787,
        "evc": 288.78235054879787,
        "length": 40.0,
        "g1": 0.15506065676682024,
        "g2": 0.14835828989292588,
        "z_bvc": 250.99228794381895,
        "K_m_per_percent": 59.68040955173541
      },
      {
        "pvi_ch": 335.97793818599735,
        "pvi_z": 264.0625235493605,
        "bvc": 315.97793818599735,
        "evc": 355.97793818599735,
        "length": 40.0,
        "g1": 0.14835828989292588,
        "g2": 0.08361876274072032,
        "z_bvc": 261.095357751502,
        "K_m_per_percent": 6.1786055227061185
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451707.33,
        "northing": 6511992.92,
        "existing_z": 227.3207,
        "design_z": 227.3207,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451702.3299,
        "northing": 6512001.5802,
        "existing_z": 227.9181,
        "design_z": 227.7378,
        "delta_z": -0.1803
      },
      {
        "ch": 20.0,
        "easting": 451697.3298,
        "northing": 6512010.2404,
        "existing_z": 228.4505,
        "design_z": 228.1548,
        "delta_z": -0.2957
      },
      {
        "ch": 30.0,
        "easting": 451692.3297,
        "northing": 6512018.9006,
        "existing_z": 228.822,
        "design_z": 228.5719,
        "delta_z": -0.2501
      },
      {
        "ch": 40.0,
        "easting": 451687.3296,
        "northing": 6512027.5608,
        "existing_z": 229.1303,
        "design_z": 228.989,
        "delta_z": -0.1413
      },
      {
        "ch": 47.1956,
        "easting": 451683.7317,
        "northing": 6512033.7923,
        "existing_z": 229.2808,
        "design_z": 229.2891,
        "delta_z": 0.0082
      },
      {
        "ch": 50.0,
        "easting": 451682.3294,
        "northing": 6512036.221,
        "existing_z": 229.3245,
        "design_z": 229.4096,
        "delta_z": 0.0852
      },
      {
        "ch": 60.0,
        "easting": 451677.371,
        "northing": 6512044.9043,
        "existing_z": 229.4568,
        "design_z": 229.8984,
        "delta_z": 0.4417
      },
      {
        "ch": 67.1956,
        "easting": 451674.6367,
        "northing": 6512051.5506,
        "existing_z": 229.6066,
        "design_z": 230.307,
        "delta_z": 0.7004
      },
      {
        "ch": 70.0,
        "easting": 451673.8855,
        "northing": 6512054.252,
        "existing_z": 229.6856,
        "design_z": 230.4792,
        "delta_z": 0.7936
      },
      {
        "ch": 80.0,
        "easting": 451672.703,
        "northing": 6512064.1581,
        "existing_z": 230.0925,
        "design_z": 231.1518,
        "delta_z": 1.0594
      },
      {
        "ch": 87.1956,
        "easting": 451673.3197,
        "northing": 6512071.3184,
        "existing_z": 230.5049,
        "design_z": 231.6927,
        "delta_z": 1.1878
      },
      {
        "ch": 90.0,
        "easting": 451673.8904,
        "northing": 6512074.0636,
        "existing_z": 230.6929,
        "design_z": 231.9128,
        "delta_z": 1.2198
      },
      {
        "ch": 100.0,
        "easting": 451677.3806,
        "northing": 6512083.4095,
        "existing_z": 231.4627,
        "design_z": 232.6975,
        "delta_z": 1.2348
      },
      {
        "ch": 110.0,
        "easting": 451682.9767,
        "northing": 6512091.6686,
        "existing_z": 232.3517,
        "design_z": 233.4823,
        "delta_z": 1.1306
      },
      {
        "ch": 114.3912,
        "easting": 451686.0221,
        "northing": 6512094.8293,
        "existing_z": 232.7633,
        "design_z": 233.8269,
        "delta_z": 1.0635
      },
      {
        "ch": 120.0,
        "easting": 451690.3628,
        "northing": 6512098.3748,
        "existing_z": 233.3077,
        "design_z": 234.2846,
        "delta_z": 0.9769
      },
      {
        "ch": 130.0,
        "easting": 451698.9242,
        "northing": 6512103.5342,
        "existing_z": 234.3652,
        "design_z": 235.1879,
        "delta_z": 0.8227
      },
      {
        "ch": 134.3912,
        "easting": 451702.7271,
        "northing": 6512105.7298,
        "existing_z": 234.837,
        "design_z": 235.6199,
        "delta_z": 0.783
      },
      {
        "ch": 140.0,
        "easting": 451707.5845,
        "northing": 6512108.5342,
        "existing_z": 235.4457,
        "design_z": 236.2031,
        "delta_z": 0.7574
      },
      {
        "ch": 150.0,
        "easting": 451716.2448,
        "northing": 6512113.5341,
        "existing_z": 236.5989,
        "design_z": 237.33,
        "delta_z": 0.731
      },
      {
        "ch": 154.3912,
        "easting": 451720.0477,
        "northing": 6512115.7297,
        "existing_z": 237.1204,
        "design_z": 237.8601,
        "delta_z": 0.7398
      },
      {
        "ch": 160.0,
        "easting": 451724.905,
        "northing": 6512118.5341,
        "existing_z": 237.7919,
        "design_z": 238.5511,
        "delta_z": 0.7591
      },
      {
        "ch": 170.0,
        "easting": 451733.5653,
        "northing": 6512123.5341,
        "existing_z": 239.0282,
        "design_z": 239.783,
        "delta_z": 0.7548
      },
      {
        "ch": 180.0,
        "easting": 451742.2256,
        "northing": 6512128.534,
        "existing_z": 240.319,
        "design_z": 241.0149,
        "delta_z": 0.6959
      },
      {
        "ch": 181.5868,
        "easting": 451743.5998,
        "northing": 6512129.3274,
        "existing_z": 240.5258,
        "design_z": 241.2103,
        "delta_z": 0.6846
      },
      {
        "ch": 190.0,
        "easting": 451750.8859,
        "northing": 6512133.534,
        "existing_z": 241.634,
        "design_z": 242.2749,
        "delta_z": 0.6409
      },
      {
        "ch": 200.0,
        "easting": 451759.5461,
        "northing": 6512138.534,
        "existing_z": 243.0409,
        "design_z": 243.6137,
        "delta_z": 0.5728
      },
      {
        "ch": 201.5868,
        "easting": 451760.9203,
        "northing": 6512139.3273,
        "existing_z": 243.2658,
        "design_z": 243.8335,
        "delta_z": 0.5677
      },
      {
        "ch": 210.0,
        "easting": 451768.2064,
        "northing": 6512143.5339,
        "existing_z": 244.4652,
        "design_z": 245.0322,
        "delta_z": 0.567
      },
      {
        "ch": 220.0,
        "easting": 451776.8667,
        "northing": 6512148.5339,
        "existing_z": 245.9695,
        "design_z": 246.5303,
        "delta_z": 0.5608
      },
      {
        "ch": 221.5868,
        "easting": 451778.2409,
        "northing": 6512149.3273,
        "existing_z": 246.2124,
        "design_z": 246.7753,
        "delta_z": 0.5629
      },
      {
        "ch": 230.0,
        "easting": 451785.527,
        "northing": 6512153.5339,
        "existing_z": 247.4919,
        "design_z": 248.0799,
        "delta_z": 0.588
      },
      {
        "ch": 240.0,
        "easting": 451794.1872,
        "northing": 6512158.5338,
        "existing_z": 249.0675,
        "design_z": 249.6305,
        "delta_z": 0.563
      },
      {
        "ch": 248.7824,
        "easting": 451801.793,
        "northing": 6512162.925,
        "existing_z": 250.5147,
        "design_z": 250.9923,
        "delta_z": 0.4776
      },
      {
        "ch": 250.0,
        "easting": 451802.8475,
        "northing": 6512163.5338,
        "existing_z": 250.7169,
        "design_z": 251.181,
        "delta_z": 0.464
      },
      {
        "ch": 260.0,
        "easting": 451811.5078,
        "northing": 6512168.5337,
        "existing_z": 252.412,
        "design_z": 252.7212,
        "delta_z": 0.3092
      },
      {
        "ch": 268.7824,
        "easting": 451819.1136,
        "northing": 6512172.9249,
        "existing_z": 254.0329,
        "design_z": 254.06,
        "delta_z": 0.0271
      },
      {
        "ch": 270.0,
        "easting": 451820.1681,
        "northing": 6512173.5337,
        "existing_z": 254.2628,
        "design_z": 254.2446,
        "delta_z": -0.0182
      },
      {
        "ch": 280.0,
        "easting": 451828.8283,
        "northing": 6512178.5337,
        "existing_z": 256.1865,
        "design_z": 255.7513,
        "delta_z": -0.4353
      },
      {
        "ch": 288.7824,
        "easting": 451836.4341,
        "northing": 6512182.9248,
        "existing_z": 257.8547,
        "design_z": 257.0607,
        "delta_z": -0.794
      },
      {
        "ch": 290.0,
        "easting": 451837.4886,
        "northing": 6512183.5336,
        "existing_z": 258.0849,
        "design_z": 257.2413,
        "delta_z": -0.8436
      },
      {
        "ch": 300.0,
        "easting": 451846.1489,
        "northing": 6512188.5336,
        "existing_z": 259.9796,
        "design_z": 258.7249,
        "delta_z": -1.2547
      },
      {
        "ch": 310.0,
        "easting": 451854.8092,
        "northing": 6512193.5336,
        "existing_z": 261.6871,
        "design_z": 260.2085,
        "delta_z": -1.4787
      },
      {
        "ch": 315.9779,
        "easting": 451859.9862,
        "northing": 6512196.5225,
        "existing_z": 262.5914,
        "design_z": 261.0954,
        "delta_z": -1.4961
      },
      {
        "ch": 320.0,
        "easting": 451863.4694,
        "northing": 6512198.5335,
        "existing_z": 263.1847,
        "design_z": 261.679,
        "delta_z": -1.5058
      },
      {
        "ch": 330.0,
        "easting": 451872.1297,
        "northing": 6512203.5335,
        "existing_z": 264.5496,
        "design_z": 263.0165,
        "delta_z": -1.5331
      },
      {
        "ch": 335.9779,
        "easting": 451877.3068,
        "northing": 6512206.5224,
        "existing_z": 265.221,
        "design_z": 263.7388,
        "delta_z": -1.4822
      },
      {
        "ch": 340.0,
        "easting": 451880.79,
        "northing": 6512208.5335,
        "existing_z": 265.6555,
        "design_z": 264.1922,
        "delta_z": -1.4632
      },
      {
        "ch": 350.0,
        "easting": 451889.4503,
        "northing": 6512213.5334,
        "existing_z": 266.6573,
        "design_z": 265.2061,
        "delta_z": -1.4512
      },
      {
        "ch": 355.9779,
        "easting": 451894.6273,
        "northing": 6512216.5224,
        "existing_z": 267.1213,
        "design_z": 265.7349,
        "delta_z": -1.3864
      },
      {
        "ch": 360.0,
        "easting": 451898.1105,
        "northing": 6512218.5334,
        "existing_z": 267.4172,
        "design_z": 266.0712,
        "delta_z": -1.346
      },
      {
        "ch": 370.0,
        "easting": 451906.7708,
        "northing": 6512223.5334,
        "existing_z": 268.1255,
        "design_z": 266.9074,
        "delta_z": -1.2181
      },
      {
        "ch": 380.0,
        "easting": 451915.4311,
        "northing": 6512228.5333,
        "existing_z": 268.6768,
        "design_z": 267.7436,
        "delta_z": -0.9332
      },
      {
        "ch": 390.0,
        "easting": 451924.0914,
        "northing": 6512233.5333,
        "existing_z": 269.1569,
        "design_z": 268.5798,
        "delta_z": -0.5771
      },
      {
        "ch": 400.0,
        "easting": 451932.7516,
        "northing": 6512238.5332,
        "existing_z": 269.5849,
        "design_z": 269.416,
        "delta_z": -0.1689
      },
      {
        "ch": 403.1735,
        "easting": 451935.5,
        "northing": 6512240.12,
        "existing_z": 269.6813,
        "design_z": 269.6813,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD414",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 105.745,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.96,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451511.9722860859,
          6512111.067594154
        ],
        "end": [
          451575.38294507854,
          6512147.677691129
        ],
        "chainage_start": 0,
        "length": 73.22029004598492
      },
      {
        "type": "ARC",
        "centre": [
          451574.8440216294,
          6512148.611135557
        ],
        "radius": 1.077848312839107,
        "start_angle_rad": -1.0471983087237708,
        "sweep_rad": 2.5543263775937897,
        "start": [
          451575.38294507854,
          6512147.677691129
        ],
        "end": [
          451574.9126,
          6512149.6868
        ],
        "chainage_start": 73.22029004598492,
        "length": 2.7531763765298938,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451574.9125999998,
          6512149.686799999
        ],
        "end": [
          451573.5574,
          6512149.7732
        ],
        "chainage_start": 75.97346642251482,
        "length": 1.357951398087342
      },
      {
        "type": "ARC",
        "centre": [
          451573.65991833305,
          6512151.381219039
        ],
        "radius": 1.6112837233720676,
        "start_angle_rad": -1.6344645849112736,
        "sweep_rad": -2.2925262320693776,
        "start": [
          451573.5574,
          6512149.7732
        ],
        "end": [
          451572.52056868584,
          6512152.520568686
        ],
        "chainage_start": 77.33141782060216,
        "length": 3.6939102031368836,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451572.52056868584,
          6512152.520568686
        ],
        "end": [
          451590.0,
          6512170.0
        ],
        "chainage_start": 81.02532802373904,
        "length": 24.719648827220162
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 52.8724884254796,
        "pvi_z": 231.51482734484364,
        "bvc": 32.8724884254796,
        "evc": 72.8724884254796,
        "length": 40.0,
        "g1": -0.05962574611208853,
        "g2": -0.009487802939342893,
        "z_bvc": 232.7073422670854,
        "K_m_per_percent": 7.977989815454476
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451511.9723,
        "northing": 6512111.0676,
        "existing_z": 234.6674,
        "design_z": 234.6674,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451520.6325,
        "northing": 6512116.0676,
        "existing_z": 233.7798,
        "design_z": 234.0711,
        "delta_z": 0.2913
      },
      {
        "ch": 20.0,
        "easting": 451529.2928,
        "northing": 6512121.0676,
        "existing_z": 232.9055,
        "design_z": 233.4749,
        "delta_z": 0.5694
      },
      {
        "ch": 30.0,
        "easting": 451537.9531,
        "northing": 6512126.0676,
        "existing_z": 232.1687,
        "design_z": 232.8786,
        "delta_z": 0.7099
      },
      {
        "ch": 32.8725,
        "easting": 451540.4407,
        "northing": 6512127.5038,
        "existing_z": 231.9641,
        "design_z": 232.7073,
        "delta_z": 0.7433
      },
      {
        "ch": 40.0,
        "easting": 451546.6133,
        "northing": 6512131.0676,
        "existing_z": 231.4615,
        "design_z": 232.3142,
        "delta_z": 0.8527
      },
      {
        "ch": 50.0,
        "easting": 451555.2736,
        "northing": 6512136.0676,
        "existing_z": 230.9499,
        "design_z": 231.87,
        "delta_z": 0.92
      },
      {
        "ch": 52.8725,
        "easting": 451557.7612,
        "northing": 6512137.5038,
        "existing_z": 230.8436,
        "design_z": 231.7655,
        "delta_z": 0.922
      },
      {
        "ch": 60.0,
        "easting": 451563.9338,
        "northing": 6512141.0676,
        "existing_z": 230.5976,
        "design_z": 231.5511,
        "delta_z": 0.9534
      },
      {
        "ch": 70.0,
        "easting": 451572.5941,
        "northing": 6512146.0675,
        "existing_z": 230.3819,
        "design_z": 231.3575,
        "delta_z": 0.9756
      },
      {
        "ch": 72.8725,
        "easting": 451575.0817,
        "northing": 6512147.5038,
        "existing_z": 230.3864,
        "design_z": 231.3251,
        "delta_z": 0.9387
      },
      {
        "ch": 80.0,
        "easting": 451572.0665,
        "northing": 6512151.6205,
        "existing_z": 230.5547,
        "design_z": 231.2574,
        "delta_z": 0.7027
      },
      {
        "ch": 90.0,
        "easting": 451578.8666,
        "northing": 6512158.8666,
        "existing_z": 230.7061,
        "design_z": 231.1626,
        "delta_z": 0.4564
      },
      {
        "ch": 100.0,
        "easting": 451585.9377,
        "northing": 6512165.9377,
        "existing_z": 230.8894,
        "design_z": 231.0677,
        "delta_z": 0.1783
      },
      {
        "ch": 105.745,
        "easting": 451590.0,
        "northing": 6512170.0,
        "existing_z": 231.0132,
        "design_z": 231.0132,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD415",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 28.871,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 7.59,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450710.0,
          6512130.0
        ],
        "end": [
          450730.4150350293,
          6512150.415035029
        ],
        "chainage_start": 0,
        "length": 28.87121941449844
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450710.0,
        "northing": 6512130.0,
        "existing_z": 273.8654,
        "design_z": 273.8654,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450717.0711,
        "northing": 6512137.0711,
        "existing_z": 273.0547,
        "design_z": 273.1066,
        "delta_z": 0.0519
      },
      {
        "ch": 20.0,
        "easting": 450724.1421,
        "northing": 6512144.1421,
        "existing_z": 272.2961,
        "design_z": 272.3478,
        "delta_z": 0.0517
      },
      {
        "ch": 28.8712,
        "easting": 450730.415,
        "northing": 6512150.415,
        "existing_z": 271.6747,
        "design_z": 271.6747,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD416",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 99.998,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.23,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451636.77,
          6512183.12
        ],
        "end": [
          451686.77,
          6512096.52
        ],
        "chainage_start": 0,
        "length": 99.99779997628339
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 49.998899988141694,
        "pvi_z": 232.79671379777858,
        "bvc": 29.998899988141694,
        "evc": 69.99889998814169,
        "length": 40.0,
        "g1": 0.0002686934879858036,
        "g2": 0.0022746974281550574,
        "z_bvc": 232.79133992801886,
        "K_m_per_percent": 199.40140295350096
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451636.77,
        "northing": 6512183.12,
        "existing_z": 232.7833,
        "design_z": 232.7833,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451641.7701,
        "northing": 6512174.4598,
        "existing_z": 232.7344,
        "design_z": 232.786,
        "delta_z": 0.0516
      },
      {
        "ch": 20.0,
        "easting": 451646.7702,
        "northing": 6512165.7996,
        "existing_z": 232.6784,
        "design_z": 232.7887,
        "delta_z": 0.1103
      },
      {
        "ch": 29.9989,
        "easting": 451651.7698,
        "northing": 6512157.1404,
        "existing_z": 232.6579,
        "design_z": 232.7913,
        "delta_z": 0.1334
      },
      {
        "ch": 30.0,
        "easting": 451651.7703,
        "northing": 6512157.1394,
        "existing_z": 232.6579,
        "design_z": 232.7913,
        "delta_z": 0.1334
      },
      {
        "ch": 40.0,
        "easting": 451656.7704,
        "northing": 6512148.4792,
        "existing_z": 232.7115,
        "design_z": 232.7965,
        "delta_z": 0.0851
      },
      {
        "ch": 49.9989,
        "easting": 451661.77,
        "northing": 6512139.82,
        "existing_z": 232.7713,
        "design_z": 232.8067,
        "delta_z": 0.0354
      },
      {
        "ch": 50.0,
        "easting": 451661.7706,
        "northing": 6512139.819,
        "existing_z": 232.7713,
        "design_z": 232.8067,
        "delta_z": 0.0354
      },
      {
        "ch": 60.0,
        "easting": 451666.7707,
        "northing": 6512131.1589,
        "existing_z": 232.8171,
        "design_z": 232.822,
        "delta_z": 0.0048
      },
      {
        "ch": 69.9989,
        "easting": 451671.7702,
        "northing": 6512122.4996,
        "existing_z": 232.8598,
        "design_z": 232.8422,
        "delta_z": -0.0176
      },
      {
        "ch": 70.0,
        "easting": 451671.7708,
        "northing": 6512122.4987,
        "existing_z": 232.8598,
        "design_z": 232.8422,
        "delta_z": -0.0176
      },
      {
        "ch": 80.0,
        "easting": 451676.7709,
        "northing": 6512113.8385,
        "existing_z": 232.9099,
        "design_z": 232.865,
        "delta_z": -0.0449
      },
      {
        "ch": 90.0,
        "easting": 451681.771,
        "northing": 6512105.1783,
        "existing_z": 232.9208,
        "design_z": 232.8877,
        "delta_z": -0.0331
      },
      {
        "ch": 99.9978,
        "easting": 451686.77,
        "northing": 6512096.52,
        "existing_z": 232.9104,
        "design_z": 232.9104,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD417",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 33.474,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.54,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450710.0,
          6512130.0
        ],
        "end": [
          450725.38171647454,
          6512152.338132394
        ],
        "chainage_start": 0,
        "length": 27.12175069081617
      },
      {
        "type": "ARC",
        "centre": [
          450726.9149762639,
          6512151.2823517695
        ],
        "radius": 1.861601006699361,
        "start_angle_rad": 2.538568504322152,
        "sweep_rad": -1.753161036939457,
        "start": [
          450725.38171647454,
          6512152.338132394
        ],
        "end": [
          450728.2313147123,
          6512152.598714712
        ],
        "chainage_start": 27.12175069081617,
        "length": 3.2636863512725887,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450728.2313147122,
          6512152.598714712
        ],
        "end": [
          450730.4150350293,
          6512150.415035029
        ],
        "chainage_start": 30.38543704208876,
        "length": 3.0882181564441287
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450710.0,
        "northing": 6512130.0,
        "existing_z": 273.8654,
        "design_z": 273.8654,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450715.6714,
        "northing": 6512138.2362,
        "existing_z": 272.9282,
        "design_z": 273.2109,
        "delta_z": 0.2828
      },
      {
        "ch": 20.0,
        "easting": 450721.3427,
        "northing": 6512146.4725,
        "existing_z": 272.0395,
        "design_z": 272.5565,
        "delta_z": 0.517
      },
      {
        "ch": 30.0,
        "easting": 450727.9326,
        "northing": 6512152.8412,
        "existing_z": 271.4533,
        "design_z": 271.902,
        "delta_z": 0.4487
      },
      {
        "ch": 33.4737,
        "easting": 450730.415,
        "northing": 6512150.415,
        "existing_z": 271.6747,
        "design_z": 271.6747,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD418",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 28.284,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.26,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451590.0,
          6512170.0
        ],
        "end": [
          451610.0,
          6512190.0
        ],
        "chainage_start": 0,
        "length": 28.284271247461902
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451590.0,
        "northing": 6512170.0,
        "existing_z": 231.0132,
        "design_z": 231.0132,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451597.0711,
        "northing": 6512177.0711,
        "existing_z": 231.3233,
        "design_z": 231.3387,
        "delta_z": 0.0154
      },
      {
        "ch": 20.0,
        "easting": 451604.1421,
        "northing": 6512184.1421,
        "existing_z": 231.6503,
        "design_z": 231.6643,
        "delta_z": 0.014
      },
      {
        "ch": 28.2843,
        "easting": 451610.0,
        "northing": 6512190.0,
        "existing_z": 231.934,
        "design_z": 231.934,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD419",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 32.301,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 1.69,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450830.0,
          6512192.250354651
        ],
        "end": [
          450852.84039554745,
          6512169.410395548
        ],
        "chainage_start": 0,
        "length": 32.30088854224786
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450830.0,
        "northing": 6512192.2504,
        "existing_z": 269.5201,
        "design_z": 269.5201,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450837.0711,
        "northing": 6512185.1794,
        "existing_z": 269.5116,
        "design_z": 269.3507,
        "delta_z": -0.1609
      },
      {
        "ch": 20.0,
        "easting": 450844.1423,
        "northing": 6512178.1084,
        "existing_z": 269.2983,
        "design_z": 269.1813,
        "delta_z": -0.1171
      },
      {
        "ch": 30.0,
        "easting": 450851.2134,
        "northing": 6512171.0374,
        "existing_z": 269.014,
        "design_z": 269.0119,
        "delta_z": -0.0022
      },
      {
        "ch": 32.3009,
        "easting": 450852.8404,
        "northing": 6512169.4104,
        "existing_z": 268.9729,
        "design_z": 268.9729,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD420",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 125.706,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 2.77,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450730.4150350293,
          6512150.415035029
        ],
        "end": [
          450764.06030303804,
          6512184.060303038
        ],
        "chainage_start": 0,
        "length": 47.58159432786218
      },
      {
        "type": "ARC",
        "centre": [
          450778.39999999997,
          6512169.7206060765
        ],
        "radius": 20.279393923807483,
        "start_angle_rad": 2.3561944902085816,
        "sweep_rad": -0.7853981634018598,
        "start": [
          450764.06030303804,
          6512184.060303038
        ],
        "end": [
          450778.4,
          6512190.0
        ],
        "chainage_start": 47.58159432786218,
        "length": 15.92739874266123,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450778.39999999973,
          6512190.0
        ],
        "end": [
          450781.6,
          6512190.0
        ],
        "chainage_start": 63.50899307052341,
        "length": 3.200000000244472
      },
      {
        "type": "ARC",
        "centre": [
          450781.6,
          6512210.2793939235
        ],
        "radius": 20.279393923934,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974484,
        "start": [
          450781.6,
          6512190.0
        ],
        "end": [
          450795.93969696196,
          6512195.939696962
        ],
        "chainage_start": 66.70899307076789,
        "length": 15.927398742671137,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450795.93969696196,
          6512195.939696961
        ],
        "end": [
          450801.6,
          6512201.6
        ],
        "chainage_start": 82.63639181343902,
        "length": 8.00487732388148
      },
      {
        "type": "ARC",
        "centre": [
          450810.0,
          6512193.199999999
        ],
        "radius": 11.879393923934,
        "start_angle_rad": 2.3561944901715566,
        "sweep_rad": -1.5707963267948966,
        "start": [
          450801.6,
          6512201.6
        ],
        "end": [
          450818.4,
          6512201.6
        ],
        "chainage_start": 90.6412691373205,
        "length": 18.66010834026514,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450818.4000000002,
          6512201.599999999
        ],
        "end": [
          450830.0,
          6512190.0
        ],
        "chainage_start": 109.30137747758565,
        "length": 16.404877322466
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 62.853127400025826,
        "pvi_z": 269.93155933675337,
        "bvc": 42.853127400025826,
        "evc": 82.85312740002583,
        "length": 40.0,
        "g1": -0.02773327839902231,
        "g2": -0.0058178789299407445,
        "z_bvc": 270.48622490473383,
        "K_m_per_percent": 18.252005881267348
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450730.415,
        "northing": 6512150.415,
        "existing_z": 271.6747,
        "design_z": 271.6747,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450737.4861,
        "northing": 6512157.4861,
        "existing_z": 271.1539,
        "design_z": 271.3973,
        "delta_z": 0.2435
      },
      {
        "ch": 20.0,
        "easting": 450744.5572,
        "northing": 6512164.5572,
        "existing_z": 270.6876,
        "design_z": 271.12,
        "delta_z": 0.4324
      },
      {
        "ch": 30.0,
        "easting": 450751.6282,
        "northing": 6512171.6282,
        "existing_z": 270.2846,
        "design_z": 270.8427,
        "delta_z": 0.5581
      },
      {
        "ch": 40.0,
        "easting": 450758.6993,
        "northing": 6512178.6993,
        "existing_z": 269.9544,
        "design_z": 270.5654,
        "delta_z": 0.6109
      },
      {
        "ch": 42.8531,
        "easting": 450760.7168,
        "northing": 6512180.7168,
        "existing_z": 269.867,
        "design_z": 270.4862,
        "delta_z": 0.6192
      },
      {
        "ch": 50.0,
        "easting": 450765.8682,
        "northing": 6512185.6645,
        "existing_z": 269.6694,
        "design_z": 270.302,
        "delta_z": 0.6326
      },
      {
        "ch": 60.0,
        "easting": 450774.9085,
        "northing": 6512189.6972,
        "existing_z": 269.5695,
        "design_z": 270.0912,
        "delta_z": 0.5217
      },
      {
        "ch": 62.8531,
        "easting": 450777.7442,
        "northing": 6512189.9894,
        "existing_z": 269.5828,
        "design_z": 270.0411,
        "delta_z": 0.4584
      },
      {
        "ch": 70.0,
        "easting": 450784.8766,
        "northing": 6512190.2665,
        "existing_z": 269.6407,
        "design_z": 269.9352,
        "delta_z": 0.2945
      },
      {
        "ch": 80.0,
        "easting": 450793.9597,
        "northing": 6512194.2017,
        "existing_z": 269.4887,
        "design_z": 269.834,
        "delta_z": 0.3453
      },
      {
        "ch": 82.8531,
        "easting": 450796.093,
        "northing": 6512196.093,
        "existing_z": 269.3979,
        "design_z": 269.8152,
        "delta_z": 0.4173
      },
      {
        "ch": 90.0,
        "easting": 450801.1466,
        "northing": 6512201.1466,
        "existing_z": 269.1814,
        "design_z": 269.7736,
        "delta_z": 0.5923
      },
      {
        "ch": 100.0,
        "easting": 450810.0287,
        "northing": 6512205.0794,
        "existing_z": 269.0618,
        "design_z": 269.7154,
        "delta_z": 0.6537
      },
      {
        "ch": 110.0,
        "easting": 450818.894,
        "northing": 6512201.106,
        "existing_z": 269.2634,
        "design_z": 269.6573,
        "delta_z": 0.3939
      },
      {
        "ch": 120.0,
        "easting": 450825.9651,
        "northing": 6512194.0349,
        "existing_z": 269.4774,
        "design_z": 269.5991,
        "delta_z": 0.1216
      },
      {
        "ch": 125.7063,
        "easting": 450830.0,
        "northing": 6512190.0,
        "existing_z": 269.5659,
        "design_z": 269.5659,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD421",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 27.64,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.07,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451610.0,
          6512190.0
        ],
        "end": [
          451636.77,
          6512183.12
        ],
        "chainage_start": 0,
        "length": 27.639958393591325
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451610.0,
        "northing": 6512190.0,
        "existing_z": 231.934,
        "design_z": 231.934,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451619.6853,
        "northing": 6512187.5109,
        "existing_z": 232.1815,
        "design_z": 232.2413,
        "delta_z": 0.0597
      },
      {
        "ch": 20.0,
        "easting": 451629.3705,
        "northing": 6512185.0217,
        "existing_z": 232.4195,
        "design_z": 232.5485,
        "delta_z": 0.1291
      },
      {
        "ch": 27.64,
        "easting": 451636.77,
        "northing": 6512183.12,
        "existing_z": 232.7833,
        "design_z": 232.7833,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD422",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 2.25,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 2.03,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450830.0,
          6512190.0
        ],
        "end": [
          450830.0,
          6512192.250354651
        ],
        "chainage_start": 0,
        "length": 2.250354651361704
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450830.0,
        "northing": 6512190.0,
        "existing_z": 269.5659,
        "design_z": 269.5659,
        "delta_z": 0.0
      },
      {
        "ch": 2.2504,
        "easting": 450830.0,
        "northing": 6512192.2504,
        "existing_z": 269.5201,
        "design_z": 269.5201,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD423",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 26.248,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 2.46,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450811.44,
          6512210.81
        ],
        "end": [
          450830.0,
          6512192.250354651
        ],
        "chainage_start": 0,
        "length": 26.247552942168415
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450811.44,
        "northing": 6512210.81,
        "existing_z": 268.8746,
        "design_z": 268.8746,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450818.5111,
        "northing": 6512203.739,
        "existing_z": 269.1845,
        "design_z": 269.1205,
        "delta_z": -0.064
      },
      {
        "ch": 20.0,
        "easting": 450825.5823,
        "northing": 6512196.668,
        "existing_z": 269.4146,
        "design_z": 269.3665,
        "delta_z": -0.0481
      },
      {
        "ch": 26.2476,
        "easting": 450830.0,
        "northing": 6512192.2504,
        "existing_z": 269.5201,
        "design_z": 269.5201,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD424",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 97.403,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.16,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450852.84039554745,
          6512169.410395548
        ],
        "end": [
          450921.71499999997,
          6512238.285
        ],
        "chainage_start": 0,
        "length": 97.40339971975074
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 48.70169985987537,
        "pvi_z": 271.4864456370388,
        "bvc": 28.70169985987537,
        "evc": 68.70169985987536,
        "length": 40.0,
        "g1": 0.05161166388902212,
        "g2": 0.04957219502992169,
        "z_bvc": 270.45421235925835,
        "K_m_per_percent": 196.12949627307952
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450852.8404,
        "northing": 6512169.4104,
        "existing_z": 268.9729,
        "design_z": 268.9729,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450859.9115,
        "northing": 6512176.4815,
        "existing_z": 269.4887,
        "design_z": 269.489,
        "delta_z": 0.0003
      },
      {
        "ch": 20.0,
        "easting": 450866.9825,
        "northing": 6512183.5525,
        "existing_z": 270.0228,
        "design_z": 270.0051,
        "delta_z": -0.0177
      },
      {
        "ch": 28.7017,
        "easting": 450873.1356,
        "northing": 6512189.7056,
        "existing_z": 270.569,
        "design_z": 270.4542,
        "delta_z": -0.1148
      },
      {
        "ch": 30.0,
        "easting": 450874.0536,
        "northing": 6512190.6236,
        "existing_z": 270.6358,
        "design_z": 270.5212,
        "delta_z": -0.1146
      },
      {
        "ch": 40.0,
        "easting": 450881.1247,
        "northing": 6512197.6947,
        "existing_z": 271.0862,
        "design_z": 271.0341,
        "delta_z": -0.0521
      },
      {
        "ch": 48.7017,
        "easting": 450887.2777,
        "northing": 6512203.8477,
        "existing_z": 271.5116,
        "design_z": 271.4762,
        "delta_z": -0.0353
      },
      {
        "ch": 50.0,
        "easting": 450888.1957,
        "northing": 6512204.7657,
        "existing_z": 271.5777,
        "design_z": 271.5419,
        "delta_z": -0.0358
      },
      {
        "ch": 60.0,
        "easting": 450895.2668,
        "northing": 6512211.8368,
        "existing_z": 272.146,
        "design_z": 272.0446,
        "delta_z": -0.1014
      },
      {
        "ch": 68.7017,
        "easting": 450901.4198,
        "northing": 6512217.9898,
        "existing_z": 272.5671,
        "design_z": 272.4779,
        "delta_z": -0.0892
      },
      {
        "ch": 70.0,
        "easting": 450902.3379,
        "northing": 6512218.9079,
        "existing_z": 272.6304,
        "design_z": 272.5422,
        "delta_z": -0.0882
      },
      {
        "ch": 80.0,
        "easting": 450909.4089,
        "northing": 6512225.9789,
        "existing_z": 273.1226,
        "design_z": 273.038,
        "delta_z": -0.0846
      },
      {
        "ch": 90.0,
        "easting": 450916.48,
        "northing": 6512233.05,
        "existing_z": 273.6122,
        "design_z": 273.5337,
        "delta_z": -0.0786
      },
      {
        "ch": 97.4034,
        "easting": 450921.715,
        "northing": 6512238.285,
        "existing_z": 273.9007,
        "design_z": 273.9007,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD425",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 114.003,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.02,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451636.77,
          6512183.12
        ],
        "end": [
          451735.5,
          6512240.12
        ],
        "chainage_start": 0,
        "length": 114.00268812618552
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 57.00134406309276,
        "pvi_z": 238.55057934323997,
        "bvc": 37.00134406309276,
        "evc": 77.00134406309276,
        "length": 40.0,
        "g1": 0.10117831463607319,
        "g2": 0.12017732490394581,
        "z_bvc": 236.52701305051852,
        "K_m_per_percent": 21.053728292173254
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451636.77,
        "northing": 6512183.12,
        "existing_z": 232.7833,
        "design_z": 232.7833,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451645.4303,
        "northing": 6512188.1199,
        "existing_z": 233.5278,
        "design_z": 233.7951,
        "delta_z": 0.2672
      },
      {
        "ch": 20.0,
        "easting": 451654.0906,
        "northing": 6512193.1198,
        "existing_z": 234.3743,
        "design_z": 234.8068,
        "delta_z": 0.4325
      },
      {
        "ch": 30.0,
        "easting": 451662.751,
        "northing": 6512198.1196,
        "existing_z": 235.3406,
        "design_z": 235.8186,
        "delta_z": 0.478
      },
      {
        "ch": 37.0013,
        "easting": 451668.8144,
        "northing": 6512201.6202,
        "existing_z": 236.0222,
        "design_z": 236.527,
        "delta_z": 0.5049
      },
      {
        "ch": 40.0,
        "easting": 451671.4113,
        "northing": 6512203.1195,
        "existing_z": 236.3409,
        "design_z": 236.8325,
        "delta_z": 0.4916
      },
      {
        "ch": 50.0,
        "easting": 451680.0716,
        "northing": 6512208.1194,
        "existing_z": 237.4804,
        "design_z": 237.8823,
        "delta_z": 0.4019
      },
      {
        "ch": 57.0013,
        "easting": 451686.135,
        "northing": 6512211.62,
        "existing_z": 238.2764,
        "design_z": 238.6456,
        "delta_z": 0.3692
      },
      {
        "ch": 60.0,
        "easting": 451688.7319,
        "northing": 6512213.1193,
        "existing_z": 238.6147,
        "design_z": 238.9796,
        "delta_z": 0.3649
      },
      {
        "ch": 70.0,
        "easting": 451697.3923,
        "northing": 6512218.1192,
        "existing_z": 239.8233,
        "design_z": 240.1244,
        "delta_z": 0.301
      },
      {
        "ch": 77.0013,
        "easting": 451703.4556,
        "northing": 6512221.6198,
        "existing_z": 240.6798,
        "design_z": 240.9541,
        "delta_z": 0.2743
      },
      {
        "ch": 80.0,
        "easting": 451706.0526,
        "northing": 6512223.1191,
        "existing_z": 241.0468,
        "design_z": 241.3145,
        "delta_z": 0.2677
      },
      {
        "ch": 90.0,
        "easting": 451714.7129,
        "northing": 6512228.1189,
        "existing_z": 242.3017,
        "design_z": 242.5163,
        "delta_z": 0.2146
      },
      {
        "ch": 100.0,
        "easting": 451723.3732,
        "northing": 6512233.1188,
        "existing_z": 243.5695,
        "design_z": 243.718,
        "delta_z": 0.1486
      },
      {
        "ch": 110.0,
        "easting": 451732.0335,
        "northing": 6512238.1187,
        "existing_z": 244.8549,
        "design_z": 244.9198,
        "delta_z": 0.0649
      },
      {
        "ch": 114.0027,
        "easting": 451735.5,
        "northing": 6512240.12,
        "existing_z": 245.4008,
        "design_z": 245.4008,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD426",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 15.227,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 8.41,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450921.71499999997,
          6512238.285
        ],
        "end": [
          450928.9099951289,
          6512231.090004871
        ],
        "chainage_start": 0,
        "length": 10.175259692949902
      },
      {
        "type": "ARC",
        "centre": [
          450931.54149967176,
          6512233.721509414
        ],
        "radius": 3.7215094138696996,
        "start_angle_rad": -2.356194490137046,
        "sweep_rad": 0.785398163404474,
        "start": [
          450928.9099951289,
          6512231.090004871
        ],
        "end": [
          450931.54149967176,
          6512230.0
        ],
        "chainage_start": 10.175259692949902,
        "length": 2.9228666587457224,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450931.541499672,
          6512230.0
        ],
        "end": [
          450933.67023731366,
          6512230.0
        ],
        "chainage_start": 13.098126351695624,
        "length": 2.1287376416730694
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450921.715,
        "northing": 6512238.285,
        "existing_z": 273.9007,
        "design_z": 273.9007,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450928.7861,
        "northing": 6512231.2139,
        "existing_z": 274.7194,
        "design_z": 274.7416,
        "delta_z": 0.0222
      },
      {
        "ch": 15.2269,
        "easting": 450933.6702,
        "northing": 6512230.0,
        "existing_z": 275.1812,
        "design_z": 275.1812,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD427",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 127.643,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 5.51,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450830.0,
          6512192.250354651
        ],
        "end": [
          450830.0,
          6512202.545148954
        ],
        "chainage_start": 0,
        "length": 10.29479430243373
      },
      {
        "type": "ARC",
        "centre": [
          450847.99760250177,
          6512202.545148954
        ],
        "radius": 17.99760250175794,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450830.0,
          6512202.545148954
        ],
        "end": [
          450835.27137572767,
          6512215.271375728
        ],
        "chainage_start": 10.29479430243373,
        "length": 14.135283950438007,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450835.27137572767,
          6512215.271375728
        ],
        "end": [
          450858.1206060761,
          6512238.120606076
        ],
        "chainage_start": 24.430078252871738,
        "length": 32.31369144832176
      },
      {
        "type": "ARC",
        "centre": [
          450886.80000000005,
          6512209.441212152
        ],
        "radius": 40.558787847868,
        "start_angle_rad": 2.3561944901943743,
        "sweep_rad": -0.7853981633974484,
        "start": [
          450858.1206060761,
          6512238.120606076
        ],
        "end": [
          450886.8,
          6512250.0
        ],
        "chainage_start": 56.7437697011935,
        "length": 31.854797485342274,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450886.8,
          6512250.0
        ],
        "end": [
          450903.0416450091,
          6512250.0
        ],
        "chainage_start": 88.59856718653577,
        "length": 16.241645009140484
      },
      {
        "type": "ARC",
        "centre": [
          450903.0416450091,
          6512233.201045009
        ],
        "radius": 16.798954990932167,
        "start_angle_rad": 1.5707963267948966,
        "sweep_rad": -0.7853981633924797,
        "start": [
          450903.0416450091,
          6512250.0
        ],
        "end": [
          450914.9203,
          6512245.0797
        ],
        "chainage_start": 104.84021219567626,
        "length": 13.193868396791053,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450914.9203,
          6512245.079700001
        ],
        "end": [
          450921.71499999997,
          6512238.285
        ],
        "chainage_start": 118.03408059246732,
        "length": 9.60915689254254
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 63.82161874250493,
        "pvi_z": 270.3811157462031,
        "bvc": 43.82161874250493,
        "evc": 83.82161874250494,
        "length": 40.0,
        "g1": 0.013490799499970669,
        "g2": 0.05514714486917495,
        "z_bvc": 270.11129975620366,
        "K_m_per_percent": 9.60237861614505
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450830.0,
        "northing": 6512192.2504,
        "existing_z": 269.5201,
        "design_z": 269.5201,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450830.0,
        "northing": 6512202.2504,
        "existing_z": 269.3168,
        "design_z": 269.655,
        "delta_z": 0.3382
      },
      {
        "ch": 20.0,
        "easting": 450832.554,
        "northing": 6512211.7868,
        "existing_z": 269.1791,
        "design_z": 269.7899,
        "delta_z": 0.6108
      },
      {
        "ch": 30.0,
        "easting": 450839.2099,
        "northing": 6512219.2099,
        "existing_z": 269.1931,
        "design_z": 269.9248,
        "delta_z": 0.7317
      },
      {
        "ch": 40.0,
        "easting": 450846.281,
        "northing": 6512226.281,
        "existing_z": 269.2934,
        "design_z": 270.0597,
        "delta_z": 0.7663
      },
      {
        "ch": 43.8216,
        "easting": 450848.9833,
        "northing": 6512228.9833,
        "existing_z": 269.3488,
        "design_z": 270.1113,
        "delta_z": 0.7625
      },
      {
        "ch": 50.0,
        "easting": 450853.352,
        "northing": 6512233.352,
        "existing_z": 269.4478,
        "design_z": 270.2145,
        "delta_z": 0.7667
      },
      {
        "ch": 60.0,
        "easting": 450860.513,
        "northing": 6512240.3283,
        "existing_z": 269.6178,
        "design_z": 270.4658,
        "delta_z": 0.8481
      },
      {
        "ch": 63.8216,
        "easting": 450863.5356,
        "northing": 6512242.6645,
        "existing_z": 269.7079,
        "design_z": 270.5894,
        "delta_z": 0.8815
      },
      {
        "ch": 70.0,
        "easting": 450868.8464,
        "northing": 6512245.8099,
        "existing_z": 269.8948,
        "design_z": 270.8213,
        "delta_z": 0.9265
      },
      {
        "ch": 80.0,
        "easting": 450878.2657,
        "northing": 6512249.0919,
        "existing_z": 270.3743,
        "design_z": 271.2809,
        "delta_z": 0.9066
      },
      {
        "ch": 83.8216,
        "easting": 450882.0341,
        "northing": 6512249.719,
        "existing_z": 270.5901,
        "design_z": 271.4841,
        "delta_z": 0.894
      },
      {
        "ch": 90.0,
        "easting": 450888.2014,
        "northing": 6512250.0,
        "existing_z": 270.9644,
        "design_z": 271.8248,
        "delta_z": 0.8604
      },
      {
        "ch": 100.0,
        "easting": 450898.2014,
        "northing": 6512250.0,
        "existing_z": 271.6861,
        "design_z": 272.3763,
        "delta_z": 0.6902
      },
      {
        "ch": 110.0,
        "easting": 450908.1207,
        "northing": 6512249.2138,
        "existing_z": 272.447,
        "design_z": 272.9277,
        "delta_z": 0.4807
      },
      {
        "ch": 120.0,
        "easting": 450916.3104,
        "northing": 6512243.6896,
        "existing_z": 273.2809,
        "design_z": 273.4792,
        "delta_z": 0.1982
      },
      {
        "ch": 127.6432,
        "easting": 450921.715,
        "northing": 6512238.285,
        "existing_z": 273.9007,
        "design_z": 273.9007,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD428",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 16.439,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.79,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450921.71499999997,
          6512238.285
        ],
        "end": [
          450922.7793,
          6512239.3493
        ],
        "chainage_start": 0,
        "length": 1.5051474942664806
      },
      {
        "type": "ARC",
        "centre": [
          450923.5500090364,
          6512238.578590963
        ],
        "radius": 1.0899471719157916,
        "start_angle_rad": 2.3561944898902456,
        "sweep_rad": -1.570784601938009,
        "start": [
          450922.7793,
          6512239.3493
        ],
        "end": [
          450924.32070903626,
          6512239.3493090365
        ],
        "chainage_start": 1.5051474942664806,
        "length": 1.7120722345712054,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450924.3207090365,
          6512239.349309036
        ],
        "end": [
          450933.67023731366,
          6512230.0
        ],
        "chainage_start": 3.2172197288376863,
        "length": 13.222074665060745
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450921.715,
        "northing": 6512238.285,
        "existing_z": 273.9007,
        "design_z": 273.9007,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450929.1169,
        "northing": 6512234.5532,
        "existing_z": 274.6445,
        "design_z": 274.6796,
        "delta_z": 0.0351
      },
      {
        "ch": 16.4393,
        "easting": 450933.6702,
        "northing": 6512230.0,
        "existing_z": 275.1812,
        "design_z": 275.1812,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD429",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 175.505,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.73,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450933.67023731366,
          6512230.0
        ],
        "end": [
          450966.34149967175,
          6512230.0
        ],
        "chainage_start": 0,
        "length": 32.67126235808246
      },
      {
        "type": "ARC",
        "centre": [
          450966.34149967175,
          6512300.975500985
        ],
        "radius": 70.97550098478214,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.6435011087932843,
        "start": [
          450966.34149967175,
          6512230.0
        ],
        "end": [
          451008.9268002626,
          6512244.195100197
        ],
        "chainage_start": 32.67126235808246,
        "length": 45.67281358086615,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451008.9268002626,
          6512244.195100198
        ],
        "end": [
          451061.0758536055,
          6512283.306890205
        ],
        "chainage_start": 78.3440759389486,
        "length": 65.18631667853333
      },
      {
        "type": "ARC",
        "centre": [
          451055.2709502565,
          6512291.046761337
        ],
        "radius": 9.67483891507222,
        "start_angle_rad": -0.9272952180112385,
        "sweep_rad": 1.7126933813913123,
        "start": [
          451061.0758536055,
          6512283.306890205
        ],
        "end": [
          451062.11209446023,
          6512297.88790554
        ],
        "chainage_start": 143.53039261748194,
        "length": 16.570032575871295,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451062.11209446035,
          6512297.88790554
        ],
        "end": [
          451051.2192725244,
          6512308.780727476
        ],
        "chainage_start": 160.10042519335323,
        "length": 15.404776514316987
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 58.50173390255674,
        "pvi_z": 277.19097784152876,
        "bvc": 38.50173390255674,
        "evc": 78.50173390255674,
        "length": 40.0,
        "g1": 0.034354973155606365,
        "g2": -0.01752607948520216,
        "z_bvc": 276.50387837841663,
        "K_m_per_percent": 7.709943797195984
      },
      {
        "pvi_ch": 117.00346780511347,
        "pvi_z": 276.1656718031304,
        "bvc": 97.00346780511347,
        "evc": 137.00346780511347,
        "length": 40.0,
        "g1": -0.01752607948520216,
        "g2": -0.03728706301115846,
        "z_bvc": 276.51619339283445,
        "K_m_per_percent": 20.241907467540518
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450933.6702,
        "northing": 6512230.0,
        "existing_z": 275.1812,
        "design_z": 275.1812,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450943.6702,
        "northing": 6512230.0,
        "existing_z": 276.0538,
        "design_z": 275.5247,
        "delta_z": -0.5291
      },
      {
        "ch": 20.0,
        "easting": 450953.6702,
        "northing": 6512230.0,
        "existing_z": 276.8124,
        "design_z": 275.8683,
        "delta_z": -0.9442
      },
      {
        "ch": 30.0,
        "easting": 450963.6702,
        "northing": 6512230.0,
        "existing_z": 277.3745,
        "design_z": 276.2118,
        "delta_z": -1.1627
      },
      {
        "ch": 38.5017,
        "easting": 450972.1654,
        "northing": 6512230.2393,
        "existing_z": 277.7536,
        "design_z": 276.5039,
        "delta_z": -1.2497
      },
      {
        "ch": 40.0,
        "easting": 450973.6572,
        "northing": 6512230.378,
        "existing_z": 277.7704,
        "design_z": 276.5539,
        "delta_z": -1.2165
      },
      {
        "ch": 50.0,
        "easting": 450983.4986,
        "northing": 6512232.1049,
        "existing_z": 277.8761,
        "design_z": 276.8132,
        "delta_z": -1.0629
      },
      {
        "ch": 58.5017,
        "easting": 450991.6055,
        "northing": 6512234.6487,
        "existing_z": 277.9396,
        "design_z": 276.9316,
        "delta_z": -1.008
      },
      {
        "ch": 60.0,
        "easting": 450992.9999,
        "northing": 6512235.1967,
        "existing_z": 277.9325,
        "design_z": 276.9427,
        "delta_z": -0.9898
      },
      {
        "ch": 70.0,
        "easting": 451001.973,
        "northing": 6512239.5921,
        "existing_z": 277.8791,
        "design_z": 276.9426,
        "delta_z": -0.9365
      },
      {
        "ch": 78.5017,
        "easting": 451009.0529,
        "northing": 6512244.2897,
        "existing_z": 277.8254,
        "design_z": 276.8405,
        "delta_z": -0.9849
      },
      {
        "ch": 80.0,
        "easting": 451010.2515,
        "northing": 6512245.1887,
        "existing_z": 277.8105,
        "design_z": 276.8142,
        "delta_z": -0.9963
      },
      {
        "ch": 90.0,
        "easting": 451018.2515,
        "northing": 6512251.1887,
        "existing_z": 277.5551,
        "design_z": 276.6389,
        "delta_z": -0.9162
      },
      {
        "ch": 97.0035,
        "easting": 451023.8543,
        "northing": 6512255.3907,
        "existing_z": 277.2737,
        "design_z": 276.5162,
        "delta_z": -0.7575
      },
      {
        "ch": 100.0,
        "easting": 451026.2515,
        "northing": 6512257.1887,
        "existing_z": 277.1532,
        "design_z": 276.4615,
        "delta_z": -0.6918
      },
      {
        "ch": 110.0,
        "easting": 451034.2515,
        "northing": 6512263.1887,
        "existing_z": 276.6542,
        "design_z": 276.2467,
        "delta_z": -0.4075
      },
      {
        "ch": 117.0035,
        "easting": 451039.8543,
        "northing": 6512267.3907,
        "existing_z": 276.2795,
        "design_z": 276.0669,
        "delta_z": -0.2126
      },
      {
        "ch": 120.0,
        "easting": 451042.2515,
        "northing": 6512269.1887,
        "existing_z": 276.1313,
        "design_z": 275.9825,
        "delta_z": -0.1487
      },
      {
        "ch": 130.0,
        "easting": 451050.2515,
        "northing": 6512275.1887,
        "existing_z": 275.5913,
        "design_z": 275.669,
        "delta_z": 0.0776
      },
      {
        "ch": 137.0035,
        "easting": 451055.8543,
        "northing": 6512279.3907,
        "existing_z": 275.1424,
        "design_z": 275.4199,
        "delta_z": 0.2775
      },
      {
        "ch": 140.0,
        "easting": 451058.2515,
        "northing": 6512281.1887,
        "existing_z": 274.9639,
        "design_z": 275.3082,
        "delta_z": 0.3443
      },
      {
        "ch": 150.0,
        "easting": 451064.6241,
        "northing": 6512288.5727,
        "existing_z": 274.4595,
        "design_z": 274.9353,
        "delta_z": 0.4758
      },
      {
        "ch": 160.0,
        "easting": 451062.1827,
        "northing": 6512297.8165,
        "existing_z": 274.1725,
        "design_z": 274.5625,
        "delta_z": 0.39
      },
      {
        "ch": 170.0,
        "easting": 451055.112,
        "northing": 6512304.888,
        "existing_z": 274.0697,
        "design_z": 274.1896,
        "delta_z": 0.1199
      },
      {
        "ch": 175.5052,
        "easting": 451051.2193,
        "northing": 6512308.7807,
        "existing_z": 273.9843,
        "design_z": 273.9843,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD430",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 252.22,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 13.42,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451590.0,
          6512170.0
        ],
        "end": [
          451590.0,
          6512204.8
        ],
        "chainage_start": 0,
        "length": 34.799999999813735
      },
      {
        "type": "ARC",
        "centre": [
          451650.8381817718,
          6512204.8
        ],
        "radius": 60.838181771801985,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451590.0,
          6512204.8
        ],
        "end": [
          451607.8190908859,
          6512247.819090886
        ],
        "chainage_start": 34.799999999813735,
        "length": 47.782196228013404,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451607.8190908859,
          6512247.819090886
        ],
        "end": [
          451624.8,
          6512264.8
        ],
        "chainage_start": 82.58219622782714,
        "length": 24.014631970327354
      },
      {
        "type": "ARC",
        "centre": [
          451685.6381817718,
          6512203.9618182285
        ],
        "radius": 86.03818177180199,
        "start_angle_rad": 2.356194490196172,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451624.8,
          6512264.8
        ],
        "end": [
          451685.6381817718,
          6512290.0
        ],
        "chainage_start": 106.5968281981545,
        "length": 67.5742299456291,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451685.63818177144,
          6512290.0
        ],
        "end": [
          451743.9890266744,
          6512290.0
        ],
        "chainage_start": 174.1710581437836,
        "length": 58.35084490297595
      },
      {
        "type": "ARC",
        "centre": [
          451743.9890266744,
          6512304.5117733255
        ],
        "radius": 14.51177332567086,
        "start_angle_rad": -1.5707963267948966,
        "sweep_rad": 0.7853981633974483,
        "start": [
          451743.9890266744,
          6512290.0
        ],
        "end": [
          451754.2504,
          6512294.2504
        ],
        "chainage_start": 232.52190304675955,
        "length": 11.397520117621974,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451754.2504,
          6512294.2504
        ],
        "end": [
          451760.1200000001,
          6512300.12
        ],
        "chainage_start": 243.91942316438153,
        "length": 8.300867925671664
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 63.0550727725133,
        "pvi_z": 233.13296727143958,
        "bvc": 43.0550727725133,
        "evc": 83.0550727725133,
        "length": 40.0,
        "g1": 0.03361797210729142,
        "g2": 0.05757297079984631,
        "z_bvc": 232.46060782929376,
        "K_m_per_percent": 16.69797628184878
      },
      {
        "pvi_ch": 126.1101455450266,
        "pvi_z": 236.76323513495367,
        "bvc": 106.1101455450266,
        "evc": 146.1101455450266,
        "length": 40.0,
        "g1": 0.05757297079984631,
        "g2": 0.09742496867210643,
        "z_bvc": 235.61177571895675,
        "K_m_per_percent": 10.037137944304394
      },
      {
        "pvi_ch": 189.16521831753988,
        "pvi_z": 242.90637362443317,
        "bvc": 169.16521831753988,
        "evc": 209.16521831753988,
        "length": 40.0,
        "g1": 0.09742496867210643,
        "g2": 0.1342379615157182,
        "z_bvc": 240.95787425099104,
        "K_m_per_percent": 10.865728893580371
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451590.0,
        "northing": 6512170.0,
        "existing_z": 231.0132,
        "design_z": 231.0132,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451590.0,
        "northing": 6512180.0,
        "existing_z": 231.3448,
        "design_z": 231.3494,
        "delta_z": 0.0045
      },
      {
        "ch": 20.0,
        "easting": 451590.0,
        "northing": 6512190.0,
        "existing_z": 231.6765,
        "design_z": 231.6855,
        "delta_z": 0.0091
      },
      {
        "ch": 30.0,
        "easting": 451590.0,
        "northing": 6512200.0,
        "existing_z": 231.9092,
        "design_z": 232.0217,
        "delta_z": 0.1125
      },
      {
        "ch": 40.0,
        "easting": 451590.2221,
        "northing": 6512209.9937,
        "existing_z": 232.1467,
        "design_z": 232.3579,
        "delta_z": 0.2112
      },
      {
        "ch": 43.0551,
        "easting": 451590.5592,
        "northing": 6512213.0298,
        "existing_z": 232.2273,
        "design_z": 232.4606,
        "delta_z": 0.2333
      },
      {
        "ch": 50.0,
        "easting": 451591.889,
        "northing": 6512219.8424,
        "existing_z": 232.424,
        "design_z": 232.7085,
        "delta_z": 0.2845
      },
      {
        "ch": 60.0,
        "easting": 451595.1449,
        "northing": 6512229.2856,
        "existing_z": 232.7413,
        "design_z": 233.1162,
        "delta_z": 0.375
      },
      {
        "ch": 63.0551,
        "easting": 451596.4442,
        "northing": 6512232.0502,
        "existing_z": 232.8473,
        "design_z": 233.2527,
        "delta_z": 0.4055
      },
      {
        "ch": 70.0,
        "easting": 451599.9022,
        "northing": 6512238.0687,
        "existing_z": 233.0975,
        "design_z": 233.5838,
        "delta_z": 0.4863
      },
      {
        "ch": 80.0,
        "easting": 451606.0325,
        "northing": 6512245.955,
        "existing_z": 233.4727,
        "design_z": 234.1113,
        "delta_z": 0.6387
      },
      {
        "ch": 83.0551,
        "easting": 451608.1535,
        "northing": 6512248.1535,
        "existing_z": 233.5895,
        "design_z": 234.2844,
        "delta_z": 0.6949
      },
      {
        "ch": 90.0,
        "easting": 451613.0643,
        "northing": 6512253.0643,
        "existing_z": 233.9271,
        "design_z": 234.6843,
        "delta_z": 0.7572
      },
      {
        "ch": 100.0,
        "easting": 451620.1353,
        "northing": 6512260.1353,
        "existing_z": 234.4903,
        "design_z": 235.26,
        "delta_z": 0.7697
      },
      {
        "ch": 106.1101,
        "easting": 451624.4559,
        "northing": 6512264.4559,
        "existing_z": 234.8452,
        "design_z": 235.6118,
        "delta_z": 0.7666
      },
      {
        "ch": 110.0,
        "easting": 451627.2534,
        "northing": 6512267.1582,
        "existing_z": 235.0763,
        "design_z": 235.8433,
        "delta_z": 0.767
      },
      {
        "ch": 120.0,
        "easting": 451634.9759,
        "northing": 6512273.5025,
        "existing_z": 235.7979,
        "design_z": 236.5076,
        "delta_z": 0.7097
      },
      {
        "ch": 126.1101,
        "easting": 451640.038,
        "northing": 6512276.922,
        "existing_z": 236.2868,
        "design_z": 236.9625,
        "delta_z": 0.6757
      },
      {
        "ch": 130.0,
        "easting": 451643.3821,
        "northing": 6512278.9084,
        "existing_z": 236.6002,
        "design_z": 237.2715,
        "delta_z": 0.6713
      },
      {
        "ch": 140.0,
        "easting": 451652.3584,
        "northing": 6512283.303,
        "existing_z": 237.4459,
        "design_z": 238.1351,
        "delta_z": 0.6892
      },
      {
        "ch": 146.1101,
        "easting": 451658.0721,
        "northing": 6512285.4645,
        "existing_z": 238.0258,
        "design_z": 238.7117,
        "delta_z": 0.6859
      },
      {
        "ch": 150.0,
        "easting": 451661.7838,
        "northing": 6512286.627,
        "existing_z": 238.3924,
        "design_z": 239.0907,
        "delta_z": 0.6983
      },
      {
        "ch": 160.0,
        "easting": 451671.5311,
        "northing": 6512288.8356,
        "existing_z": 239.3407,
        "design_z": 240.065,
        "delta_z": 0.7242
      },
      {
        "ch": 169.1652,
        "easting": 451680.6352,
        "northing": 6512289.8544,
        "existing_z": 240.284,
        "design_z": 240.9579,
        "delta_z": 0.6739
      },
      {
        "ch": 170.0,
        "easting": 451681.4688,
        "northing": 6512289.8989,
        "existing_z": 240.3687,
        "design_z": 241.0395,
        "delta_z": 0.6709
      },
      {
        "ch": 180.0,
        "easting": 451691.4671,
        "northing": 6512290.0,
        "existing_z": 241.394,
        "design_z": 242.0675,
        "delta_z": 0.6735
      },
      {
        "ch": 189.1652,
        "easting": 451700.6323,
        "northing": 6512290.0,
        "existing_z": 242.4525,
        "design_z": 243.0904,
        "delta_z": 0.6379
      },
      {
        "ch": 190.0,
        "easting": 451701.4671,
        "northing": 6512290.0,
        "existing_z": 242.5489,
        "design_z": 243.1875,
        "delta_z": 0.6385
      },
      {
        "ch": 200.0,
        "easting": 451711.4671,
        "northing": 6512290.0,
        "existing_z": 243.7295,
        "design_z": 244.3995,
        "delta_z": 0.67
      },
      {
        "ch": 209.1652,
        "easting": 451720.6323,
        "northing": 6512290.0,
        "existing_z": 244.948,
        "design_z": 245.5911,
        "delta_z": 0.6431
      },
      {
        "ch": 210.0,
        "easting": 451721.4671,
        "northing": 6512290.0,
        "existing_z": 245.059,
        "design_z": 245.7032,
        "delta_z": 0.6442
      },
      {
        "ch": 220.0,
        "easting": 451731.4671,
        "northing": 6512290.0,
        "existing_z": 246.419,
        "design_z": 247.0456,
        "delta_z": 0.6266
      },
      {
        "ch": 230.0,
        "easting": 451741.4671,
        "northing": 6512290.0,
        "existing_z": 247.9558,
        "design_z": 248.388,
        "delta_z": 0.4322
      },
      {
        "ch": 240.0,
        "easting": 451751.1405,
        "northing": 6512291.8845,
        "existing_z": 249.5231,
        "design_z": 249.7303,
        "delta_z": 0.2073
      },
      {
        "ch": 250.0,
        "easting": 451758.55,
        "northing": 6512298.55,
        "existing_z": 251.0424,
        "design_z": 251.0727,
        "delta_z": 0.0303
      },
      {
        "ch": 252.2203,
        "easting": 451760.12,
        "northing": 6512300.12,
        "existing_z": 251.3708,
        "design_z": 251.3708,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD431",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 97.32,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.31,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451051.2192725244,
          6512308.780727476
        ],
        "end": [
          451135.5,
          6512260.12
        ],
        "chainage_start": 0,
        "length": 97.31961478697859
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 48.659807393489295,
        "pvi_z": 272.2543980734761,
        "bvc": 28.659807393489295,
        "evc": 68.6598073934893,
        "length": 40.0,
        "g1": -0.03555122767705588,
        "g2": -0.06314210751857804,
        "z_bvc": 272.96542262701723,
        "K_m_per_percent": 14.497544199298444
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451051.2193,
        "northing": 6512308.7807,
        "existing_z": 273.9843,
        "design_z": 273.9843,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451059.8795,
        "northing": 6512303.7806,
        "existing_z": 273.9787,
        "design_z": 273.6288,
        "delta_z": -0.3499
      },
      {
        "ch": 20.0,
        "easting": 451068.5397,
        "northing": 6512298.7805,
        "existing_z": 273.9144,
        "design_z": 273.2733,
        "delta_z": -0.6411
      },
      {
        "ch": 28.6598,
        "easting": 451076.0392,
        "northing": 6512294.4506,
        "existing_z": 273.6333,
        "design_z": 272.9654,
        "delta_z": -0.6679
      },
      {
        "ch": 30.0,
        "easting": 451077.1999,
        "northing": 6512293.7804,
        "existing_z": 273.5797,
        "design_z": 272.9172,
        "delta_z": -0.6625
      },
      {
        "ch": 40.0,
        "easting": 451085.8601,
        "northing": 6512288.7803,
        "existing_z": 273.1298,
        "design_z": 272.5179,
        "delta_z": -0.6119
      },
      {
        "ch": 48.6598,
        "easting": 451093.3596,
        "northing": 6512284.4504,
        "existing_z": 272.5944,
        "design_z": 272.1164,
        "delta_z": -0.4779
      },
      {
        "ch": 50.0,
        "easting": 451094.5203,
        "northing": 6512283.7803,
        "existing_z": 272.5006,
        "design_z": 272.0497,
        "delta_z": -0.4509
      },
      {
        "ch": 60.0,
        "easting": 451103.1805,
        "northing": 6512278.7802,
        "existing_z": 271.7955,
        "design_z": 271.5125,
        "delta_z": -0.283
      },
      {
        "ch": 68.6598,
        "easting": 451110.68,
        "northing": 6512274.4502,
        "existing_z": 271.18,
        "design_z": 270.9916,
        "delta_z": -0.1884
      },
      {
        "ch": 70.0,
        "easting": 451111.8407,
        "northing": 6512273.7801,
        "existing_z": 271.0887,
        "design_z": 270.9069,
        "delta_z": -0.1818
      },
      {
        "ch": 80.0,
        "easting": 451120.5009,
        "northing": 6512268.78,
        "existing_z": 270.3976,
        "design_z": 270.2755,
        "delta_z": -0.122
      },
      {
        "ch": 90.0,
        "easting": 451129.1611,
        "northing": 6512263.7799,
        "existing_z": 269.6755,
        "design_z": 269.6441,
        "delta_z": -0.0314
      },
      {
        "ch": 97.3196,
        "easting": 451135.5,
        "northing": 6512260.12,
        "existing_z": 269.1819,
        "design_z": 269.1819,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD432",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 211.451,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.84,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450823.37,
          6512324.86
        ],
        "end": [
          450899.1264860417,
          6512281.120814177
        ],
        "chainage_start": 0,
        "length": 87.47663433087153
      },
      {
        "type": "ARC",
        "centre": [
          450920.1262761997,
          6512317.49255453
        ],
        "radius": 41.99874620673285,
        "start_angle_rad": -2.094406568802035,
        "sweep_rad": 1.5708450889022159,
        "start": [
          450899.1264860417,
          6512281.120814177
        ],
        "end": [
          450956.4990405028,
          6512296.494537959
        ],
        "chainage_start": 87.47663433087153,
        "length": 65.97352421889686,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450956.4990405028,
          6512296.494537959
        ],
        "end": [
          450985.49771548295,
          6512346.72604276
        ],
        "chainage_start": 153.4501585497684,
        "length": 58.00109675815652
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 70.4837517693083,
        "pvi_z": 268.70817930343446,
        "bvc": 50.4837517693083,
        "evc": 90.4837517693083,
        "length": 40.0,
        "g1": 0.07839959807162329,
        "g2": 0.06231347473035881,
        "z_bvc": 267.140187342002,
        "K_m_per_percent": 24.866152740101843
      },
      {
        "pvi_ch": 140.9675035386166,
        "pvi_z": 273.10026678821214,
        "bvc": 120.9675035386166,
        "evc": 160.9675035386166,
        "length": 40.0,
        "g1": 0.06231347473035881,
        "g2": 0.006245404214894439,
        "z_bvc": 271.85399729360495,
        "K_m_per_percent": 7.134185220261402
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450823.37,
        "northing": 6512324.86,
        "existing_z": 263.1823,
        "design_z": 263.1823,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450832.0302,
        "northing": 6512319.8599,
        "existing_z": 263.8362,
        "design_z": 263.9663,
        "delta_z": 0.1301
      },
      {
        "ch": 20.0,
        "easting": 450840.6904,
        "northing": 6512314.8598,
        "existing_z": 264.557,
        "design_z": 264.7503,
        "delta_z": 0.1933
      },
      {
        "ch": 30.0,
        "easting": 450849.3506,
        "northing": 6512309.8597,
        "existing_z": 265.2866,
        "design_z": 265.5343,
        "delta_z": 0.2476
      },
      {
        "ch": 40.0,
        "easting": 450858.0108,
        "northing": 6512304.8596,
        "existing_z": 266.1009,
        "design_z": 266.3183,
        "delta_z": 0.2174
      },
      {
        "ch": 50.0,
        "easting": 450866.671,
        "northing": 6512299.8595,
        "existing_z": 266.9218,
        "design_z": 267.1023,
        "delta_z": 0.1805
      },
      {
        "ch": 50.4838,
        "easting": 450867.0899,
        "northing": 6512299.6176,
        "existing_z": 266.9614,
        "design_z": 267.1402,
        "delta_z": 0.1788
      },
      {
        "ch": 60.0,
        "easting": 450875.3312,
        "northing": 6512294.8594,
        "existing_z": 267.8002,
        "design_z": 267.868,
        "delta_z": 0.0678
      },
      {
        "ch": 70.0,
        "easting": 450883.9914,
        "northing": 6512289.8593,
        "existing_z": 268.7,
        "design_z": 268.5937,
        "delta_z": -0.1063
      },
      {
        "ch": 70.4838,
        "easting": 450884.4103,
        "northing": 6512289.6174,
        "existing_z": 268.7408,
        "design_z": 268.6277,
        "delta_z": -0.113
      },
      {
        "ch": 80.0,
        "easting": 450892.6516,
        "northing": 6512284.8592,
        "existing_z": 269.5669,
        "design_z": 269.2791,
        "delta_z": -0.2879
      },
      {
        "ch": 90.0,
        "easting": 450901.3483,
        "northing": 6512279.9255,
        "existing_z": 270.4877,
        "design_z": 269.9243,
        "delta_z": -0.5634
      },
      {
        "ch": 90.4838,
        "easting": 450901.7823,
        "northing": 6512279.7117,
        "existing_z": 270.5316,
        "design_z": 269.9544,
        "delta_z": -0.5771
      },
      {
        "ch": 100.0,
        "easting": 450910.7387,
        "northing": 6512276.5564,
        "existing_z": 271.373,
        "design_z": 270.5474,
        "delta_z": -0.8256
      },
      {
        "ch": 110.0,
        "easting": 450920.6587,
        "northing": 6512275.4972,
        "existing_z": 272.2554,
        "design_z": 271.1706,
        "delta_z": -1.0848
      },
      {
        "ch": 120.0,
        "easting": 450930.5486,
        "northing": 6512276.8076,
        "existing_z": 273.0163,
        "design_z": 271.7937,
        "delta_z": -1.2226
      },
      {
        "ch": 120.9675,
        "easting": 450931.483,
        "northing": 6512277.0584,
        "existing_z": 273.0843,
        "design_z": 271.854,
        "delta_z": -1.2303
      },
      {
        "ch": 130.0,
        "easting": 450939.8505,
        "northing": 6512280.4136,
        "existing_z": 273.6427,
        "design_z": 272.3597,
        "delta_z": -1.283
      },
      {
        "ch": 140.0,
        "easting": 450948.0394,
        "northing": 6512286.1118,
        "existing_z": 274.0824,
        "design_z": 272.7861,
        "delta_z": -1.2963
      },
      {
        "ch": 140.9675,
        "easting": 450948.7549,
        "northing": 6512286.7631,
        "existing_z": 274.1142,
        "design_z": 272.8199,
        "delta_z": -1.2943
      },
      {
        "ch": 150.0,
        "easting": 450954.6534,
        "northing": 6512293.5807,
        "existing_z": 274.2383,
        "design_z": 273.0724,
        "delta_z": -1.1659
      },
      {
        "ch": 160.0,
        "easting": 450959.7737,
        "northing": 6512302.167,
        "existing_z": 274.244,
        "design_z": 273.2185,
        "delta_z": -1.0255
      },
      {
        "ch": 160.9675,
        "easting": 450960.2575,
        "northing": 6512303.0049,
        "existing_z": 274.2425,
        "design_z": 273.2252,
        "delta_z": -1.0173
      },
      {
        "ch": 170.0,
        "easting": 450964.7734,
        "northing": 6512310.8274,
        "existing_z": 274.2243,
        "design_z": 273.2816,
        "delta_z": -0.9427
      },
      {
        "ch": 180.0,
        "easting": 450969.7731,
        "northing": 6512319.4879,
        "existing_z": 274.2334,
        "design_z": 273.344,
        "delta_z": -0.8893
      },
      {
        "ch": 190.0,
        "easting": 450974.7728,
        "northing": 6512328.1483,
        "existing_z": 274.0048,
        "design_z": 273.4065,
        "delta_z": -0.5983
      },
      {
        "ch": 200.0,
        "easting": 450979.7725,
        "northing": 6512336.8088,
        "existing_z": 273.7928,
        "design_z": 273.4689,
        "delta_z": -0.3238
      },
      {
        "ch": 210.0,
        "easting": 450984.7721,
        "northing": 6512345.4692,
        "existing_z": 273.574,
        "design_z": 273.5314,
        "delta_z": -0.0426
      },
      {
        "ch": 211.4513,
        "easting": 450985.4977,
        "northing": 6512346.726,
        "existing_z": 273.5405,
        "design_z": 273.5405,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD433",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 379.88,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 16.5,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451760.1200000001,
          6512300.12
        ],
        "end": [
          452140.0,
          6512300.12
        ],
        "chainage_start": 0,
        "length": 379.87999999988824
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 75.97599999997765,
        "pvi_z": 263.9072495321904,
        "bvc": 50.801126077094395,
        "evc": 101.1508739228609,
        "length": 50.34974784576651,
        "g1": 0.1650059423443386,
        "g2": 0.08108969593472776,
        "z_bvc": 259.75324573714516,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 151.9519999999553,
        "pvi_z": 270.06812027052547,
        "bvc": 121.48543408712308,
        "evc": 182.4185659127875,
        "length": 60.93313182566442,
        "g1": 0.08108969593472776,
        "g2": -0.020465523774712946,
        "z_bvc": 267.5975957044786,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 227.92799999993292,
        "pvi_z": 268.51323163621834,
        "bvc": 197.3166835486861,
        "evc": 258.5393164511798,
        "length": 61.222632902493686,
        "g1": -0.020465523774712946,
        "g2": -0.12250324527886909,
        "z_bvc": 269.1397082608266,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 303.9039999999106,
        "pvi_z": 259.2059250729137,
        "bvc": 283.9039999999106,
        "evc": 323.9039999999106,
        "length": 40.0,
        "g1": -0.12250324527886909,
        "g2": -0.15926421447114167,
        "z_bvc": 261.6559899784911,
        "K_m_per_percent": 10.88110593352046
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451760.12,
        "northing": 6512300.12,
        "existing_z": 251.3708,
        "design_z": 251.3708,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451770.12,
        "northing": 6512300.12,
        "existing_z": 253.1793,
        "design_z": 253.0208,
        "delta_z": -0.1585
      },
      {
        "ch": 20.0,
        "easting": 451780.12,
        "northing": 6512300.12,
        "existing_z": 255.1499,
        "design_z": 254.6709,
        "delta_z": -0.4791
      },
      {
        "ch": 30.0,
        "easting": 451790.12,
        "northing": 6512300.12,
        "existing_z": 257.1201,
        "design_z": 256.3209,
        "delta_z": -0.7992
      },
      {
        "ch": 40.0,
        "easting": 451800.12,
        "northing": 6512300.12,
        "existing_z": 259.0525,
        "design_z": 257.971,
        "delta_z": -1.0815
      },
      {
        "ch": 50.0,
        "easting": 451810.12,
        "northing": 6512300.12,
        "existing_z": 260.9822,
        "design_z": 259.6211,
        "delta_z": -1.3611
      },
      {
        "ch": 50.8011,
        "easting": 451810.9211,
        "northing": 6512300.12,
        "existing_z": 261.1187,
        "design_z": 259.7532,
        "delta_z": -1.3655
      },
      {
        "ch": 60.0,
        "easting": 451820.12,
        "northing": 6512300.12,
        "existing_z": 262.6866,
        "design_z": 261.2006,
        "delta_z": -1.486
      },
      {
        "ch": 70.0,
        "easting": 451830.12,
        "northing": 6512300.12,
        "existing_z": 264.3867,
        "design_z": 262.614,
        "delta_z": -1.7727
      },
      {
        "ch": 75.976,
        "easting": 451836.096,
        "northing": 6512300.12,
        "existing_z": 265.1948,
        "design_z": 263.3791,
        "delta_z": -1.8157
      },
      {
        "ch": 80.0,
        "easting": 451840.12,
        "northing": 6512300.12,
        "existing_z": 265.739,
        "design_z": 263.8608,
        "delta_z": -1.8783
      },
      {
        "ch": 90.0,
        "easting": 451850.12,
        "northing": 6512300.12,
        "existing_z": 267.0865,
        "design_z": 264.9408,
        "delta_z": -2.1457
      },
      {
        "ch": 100.0,
        "easting": 451860.12,
        "northing": 6512300.12,
        "existing_z": 268.0373,
        "design_z": 265.8542,
        "delta_z": -2.183
      },
      {
        "ch": 101.1509,
        "easting": 451861.2709,
        "northing": 6512300.12,
        "existing_z": 268.1467,
        "design_z": 265.9487,
        "delta_z": -2.1981
      },
      {
        "ch": 110.0,
        "easting": 451870.12,
        "northing": 6512300.12,
        "existing_z": 268.985,
        "design_z": 266.6662,
        "delta_z": -2.3187
      },
      {
        "ch": 120.0,
        "easting": 451880.12,
        "northing": 6512300.12,
        "existing_z": 269.6736,
        "design_z": 267.4771,
        "delta_z": -2.1965
      },
      {
        "ch": 121.4854,
        "easting": 451881.6054,
        "northing": 6512300.12,
        "existing_z": 269.7759,
        "design_z": 267.5976,
        "delta_z": -2.1783
      },
      {
        "ch": 130.0,
        "easting": 451890.12,
        "northing": 6512300.12,
        "existing_z": 270.3599,
        "design_z": 268.2276,
        "delta_z": -2.1323
      },
      {
        "ch": 140.0,
        "easting": 451900.12,
        "northing": 6512300.12,
        "existing_z": 270.8479,
        "design_z": 268.8133,
        "delta_z": -2.0347
      },
      {
        "ch": 150.0,
        "easting": 451910.12,
        "northing": 6512300.12,
        "existing_z": 271.3328,
        "design_z": 269.2323,
        "delta_z": -2.1006
      },
      {
        "ch": 151.952,
        "easting": 451912.072,
        "northing": 6512300.12,
        "existing_z": 271.3777,
        "design_z": 269.2946,
        "delta_z": -2.0831
      },
      {
        "ch": 160.0,
        "easting": 451920.12,
        "northing": 6512300.12,
        "existing_z": 271.563,
        "design_z": 269.4846,
        "delta_z": -2.0784
      },
      {
        "ch": 170.0,
        "easting": 451930.12,
        "northing": 6512300.12,
        "existing_z": 271.7906,
        "design_z": 269.5702,
        "delta_z": -2.2204
      },
      {
        "ch": 180.0,
        "easting": 451940.12,
        "northing": 6512300.12,
        "existing_z": 271.8166,
        "design_z": 269.4892,
        "delta_z": -2.3274
      },
      {
        "ch": 182.4186,
        "easting": 451942.5386,
        "northing": 6512300.12,
        "existing_z": 271.8229,
        "design_z": 269.4446,
        "delta_z": -2.3783
      },
      {
        "ch": 190.0,
        "easting": 451950.12,
        "northing": 6512300.12,
        "existing_z": 271.8395,
        "design_z": 269.2894,
        "delta_z": -2.55
      },
      {
        "ch": 197.3167,
        "easting": 451957.4367,
        "northing": 6512300.12,
        "existing_z": 271.6686,
        "design_z": 269.1397,
        "delta_z": -2.5289
      },
      {
        "ch": 200.0,
        "easting": 451960.12,
        "northing": 6512300.12,
        "existing_z": 271.606,
        "design_z": 269.0788,
        "delta_z": -2.5272
      },
      {
        "ch": 210.0,
        "easting": 451970.12,
        "northing": 6512300.12,
        "existing_z": 271.367,
        "design_z": 268.7461,
        "delta_z": -2.6209
      },
      {
        "ch": 220.0,
        "easting": 451980.12,
        "northing": 6512300.12,
        "existing_z": 270.6843,
        "design_z": 268.2467,
        "delta_z": -2.4376
      },
      {
        "ch": 227.928,
        "easting": 451988.048,
        "northing": 6512300.12,
        "existing_z": 270.1431,
        "design_z": 267.7324,
        "delta_z": -2.4107
      },
      {
        "ch": 230.0,
        "easting": 451990.12,
        "northing": 6512300.12,
        "existing_z": 269.9969,
        "design_z": 267.5807,
        "delta_z": -2.4162
      },
      {
        "ch": 240.0,
        "easting": 452000.12,
        "northing": 6512300.12,
        "existing_z": 268.9171,
        "design_z": 266.748,
        "delta_z": -2.1692
      },
      {
        "ch": 250.0,
        "easting": 452010.12,
        "northing": 6512300.12,
        "existing_z": 267.8341,
        "design_z": 265.7486,
        "delta_z": -2.0856
      },
      {
        "ch": 258.5393,
        "easting": 452018.6593,
        "northing": 6512300.12,
        "existing_z": 266.6786,
        "design_z": 264.7632,
        "delta_z": -1.9154
      },
      {
        "ch": 260.0,
        "easting": 452020.12,
        "northing": 6512300.12,
        "existing_z": 266.481,
        "design_z": 264.5843,
        "delta_z": -1.8967
      },
      {
        "ch": 270.0,
        "easting": 452030.12,
        "northing": 6512300.12,
        "existing_z": 265.1252,
        "design_z": 263.3593,
        "delta_z": -1.7659
      },
      {
        "ch": 280.0,
        "easting": 452040.12,
        "northing": 6512300.12,
        "existing_z": 263.5462,
        "design_z": 262.1342,
        "delta_z": -1.412
      },
      {
        "ch": 283.904,
        "easting": 452044.024,
        "northing": 6512300.12,
        "existing_z": 262.9298,
        "design_z": 261.656,
        "delta_z": -1.2738
      },
      {
        "ch": 290.0,
        "easting": 452050.12,
        "northing": 6512300.12,
        "existing_z": 261.9649,
        "design_z": 260.8921,
        "delta_z": -1.0728
      },
      {
        "ch": 300.0,
        "easting": 452060.12,
        "northing": 6512300.12,
        "existing_z": 260.189,
        "design_z": 259.5651,
        "delta_z": -0.6239
      },
      {
        "ch": 303.904,
        "easting": 452064.024,
        "northing": 6512300.12,
        "existing_z": 259.4957,
        "design_z": 259.0221,
        "delta_z": -0.4735
      },
      {
        "ch": 310.0,
        "easting": 452070.12,
        "northing": 6512300.12,
        "existing_z": 258.4132,
        "design_z": 258.1462,
        "delta_z": -0.267
      },
      {
        "ch": 320.0,
        "easting": 452080.12,
        "northing": 6512300.12,
        "existing_z": 256.6483,
        "design_z": 256.6354,
        "delta_z": -0.0129
      },
      {
        "ch": 323.904,
        "easting": 452084.024,
        "northing": 6512300.12,
        "existing_z": 255.9593,
        "design_z": 256.0206,
        "delta_z": 0.0614
      },
      {
        "ch": 330.0,
        "easting": 452090.12,
        "northing": 6512300.12,
        "existing_z": 254.8852,
        "design_z": 255.0498,
        "delta_z": 0.1645
      },
      {
        "ch": 340.0,
        "easting": 452100.12,
        "northing": 6512300.12,
        "existing_z": 253.2758,
        "design_z": 253.4571,
        "delta_z": 0.1814
      },
      {
        "ch": 350.0,
        "easting": 452110.12,
        "northing": 6512300.12,
        "existing_z": 251.6674,
        "design_z": 251.8645,
        "delta_z": 0.197
      },
      {
        "ch": 360.0,
        "easting": 452120.12,
        "northing": 6512300.12,
        "existing_z": 250.1528,
        "design_z": 250.2718,
        "delta_z": 0.1191
      },
      {
        "ch": 370.0,
        "easting": 452130.12,
        "northing": 6512300.12,
        "existing_z": 248.6377,
        "design_z": 248.6792,
        "delta_z": 0.0415
      },
      {
        "ch": 379.88,
        "easting": 452140.0,
        "northing": 6512300.12,
        "existing_z": 247.1057,
        "design_z": 247.1057,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD434",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 28.03,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 0.08,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451760.1200000001,
          6512300.12
        ],
        "end": [
          451770.0,
          6512310.0
        ],
        "chainage_start": 0,
        "length": 13.972429996088128
      },
      {
        "type": "LINE",
        "start": [
          451770.0,
          6512310.0
        ],
        "end": [
          451760.0,
          6512300.12
        ],
        "chainage_start": 13.972429996088128,
        "length": 14.057538902588592
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451760.12,
        "northing": 6512300.12,
        "existing_z": 251.3708,
        "design_z": 251.3708,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451767.1911,
        "northing": 6512307.1911,
        "existing_z": 252.8584,
        "design_z": 251.363,
        "delta_z": -1.4954
      },
      {
        "ch": 20.0,
        "easting": 451765.7122,
        "northing": 6512305.7637,
        "existing_z": 252.5476,
        "design_z": 251.3553,
        "delta_z": -1.1923
      },
      {
        "ch": 28.03,
        "easting": 451760.0,
        "northing": 6512300.12,
        "existing_z": 251.3491,
        "design_z": 251.3491,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD435",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 461.973,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.61,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451380.0,
          6512400.12
        ],
        "end": [
          451380.0,
          6512342.12
        ],
        "chainage_start": 0,
        "length": 58.0
      },
      {
        "type": "ARC",
        "centre": [
          451422.0,
          6512342.12
        ],
        "radius": 42.00000000000001,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": 1.5707963267948966,
        "start": [
          451380.0,
          6512342.12
        ],
        "end": [
          451422.0,
          6512300.12
        ],
        "chainage_start": 58.0,
        "length": 65.97344572538567,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451422.0,
          6512300.12
        ],
        "end": [
          451760.0,
          6512300.12
        ],
        "chainage_start": 123.97344572538567,
        "length": 338.0
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 76.99557428756428,
        "pvi_z": 245.70236998978157,
        "bvc": 56.99557428756428,
        "evc": 96.99557428756428,
        "length": 40.0,
        "g1": -0.059038158066607324,
        "g2": -0.07377167817232105,
        "z_bvc": 246.88313315111373,
        "K_m_per_percent": 27.148977103229942
      },
      {
        "pvi_ch": 153.99114857512856,
        "pvi_z": 240.02227726274634,
        "bvc": 133.99114857512856,
        "evc": 173.99114857512856,
        "length": 40.0,
        "g1": -0.07377167817232105,
        "g2": -0.051698101056889226,
        "z_bvc": 241.49771082619276,
        "K_m_per_percent": 18.12121333611835
      },
      {
        "pvi_ch": 230.98672286269283,
        "pvi_z": 236.04175228229462,
        "bvc": 210.98672286269283,
        "evc": 250.98672286269283,
        "length": 40.0,
        "g1": -0.051698101056889226,
        "g2": 0.0020074316353036604,
        "z_bvc": 237.07571430343242,
        "K_m_per_percent": 7.44802220457535
      },
      {
        "pvi_ch": 307.9822971502571,
        "pvi_z": 236.19631563389785,
        "bvc": 287.37890925410437,
        "evc": 328.5856850464099,
        "length": 41.206775792305486,
        "g1": 0.0020074316353036604,
        "g2": 0.07068539128914614,
        "z_bvc": 236.15495574124068,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 384.9778714378214,
        "pvi_z": 241.63877792994685,
        "bvc": 364.9778714378214,
        "evc": 404.9778714378214,
        "length": 40.0,
        "g1": 0.07068539128914614,
        "g2": 0.12611500696351444,
        "z_bvc": 240.22507010416393,
        "K_m_per_percent": 7.216358892868303
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451380.0,
        "northing": 6512400.12,
        "existing_z": 250.248,
        "design_z": 250.248,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451380.0,
        "northing": 6512390.12,
        "existing_z": 250.015,
        "design_z": 249.6577,
        "delta_z": -0.3573
      },
      {
        "ch": 20.0,
        "easting": 451380.0,
        "northing": 6512380.12,
        "existing_z": 249.6293,
        "design_z": 249.0673,
        "delta_z": -0.562
      },
      {
        "ch": 30.0,
        "easting": 451380.0,
        "northing": 6512370.12,
        "existing_z": 249.2418,
        "design_z": 248.4769,
        "delta_z": -0.7649
      },
      {
        "ch": 40.0,
        "easting": 451380.0,
        "northing": 6512360.12,
        "existing_z": 248.6757,
        "design_z": 247.8865,
        "delta_z": -0.7892
      },
      {
        "ch": 50.0,
        "easting": 451380.0,
        "northing": 6512350.12,
        "existing_z": 248.1074,
        "design_z": 247.2961,
        "delta_z": -0.8112
      },
      {
        "ch": 56.9956,
        "easting": 451380.0,
        "northing": 6512343.1244,
        "existing_z": 247.6553,
        "design_z": 246.8831,
        "delta_z": -0.7722
      },
      {
        "ch": 60.0,
        "easting": 451380.0476,
        "northing": 6512340.1208,
        "existing_z": 247.4568,
        "design_z": 246.7041,
        "delta_z": -0.7527
      },
      {
        "ch": 70.0,
        "easting": 451381.7027,
        "northing": 6512330.2826,
        "existing_z": 246.6881,
        "design_z": 246.0842,
        "delta_z": -0.6039
      },
      {
        "ch": 76.9956,
        "easting": 451384.2229,
        "northing": 6512323.7654,
        "existing_z": 246.0966,
        "design_z": 245.6287,
        "delta_z": -0.4679
      },
      {
        "ch": 80.0,
        "easting": 451385.6314,
        "northing": 6512321.1123,
        "existing_z": 245.8284,
        "design_z": 245.4275,
        "delta_z": -0.4009
      },
      {
        "ch": 90.0,
        "easting": 451391.6121,
        "northing": 6512313.1274,
        "existing_z": 244.8928,
        "design_z": 244.734,
        "delta_z": -0.1588
      },
      {
        "ch": 96.9956,
        "easting": 451396.8394,
        "northing": 6512308.4905,
        "existing_z": 244.2347,
        "design_z": 244.2269,
        "delta_z": -0.0077
      },
      {
        "ch": 100.0,
        "easting": 451399.3073,
        "northing": 6512306.7782,
        "existing_z": 243.964,
        "design_z": 244.0053,
        "delta_z": 0.0413
      },
      {
        "ch": 110.0,
        "easting": 451408.2829,
        "northing": 6512302.4231,
        "existing_z": 243.081,
        "design_z": 243.2676,
        "delta_z": 0.1866
      },
      {
        "ch": 120.0,
        "easting": 451418.0325,
        "northing": 6512300.3078,
        "existing_z": 242.2408,
        "design_z": 242.5299,
        "delta_z": 0.289
      },
      {
        "ch": 130.0,
        "easting": 451428.0266,
        "northing": 6512300.12,
        "existing_z": 241.4658,
        "design_z": 241.7921,
        "delta_z": 0.3264
      },
      {
        "ch": 133.9911,
        "easting": 451432.0177,
        "northing": 6512300.12,
        "existing_z": 241.1619,
        "design_z": 241.4977,
        "delta_z": 0.3358
      },
      {
        "ch": 140.0,
        "easting": 451438.0266,
        "northing": 6512300.12,
        "existing_z": 240.7083,
        "design_z": 241.0644,
        "delta_z": 0.3561
      },
      {
        "ch": 150.0,
        "easting": 451448.0266,
        "northing": 6512300.12,
        "existing_z": 239.9533,
        "design_z": 240.3874,
        "delta_z": 0.4341
      },
      {
        "ch": 153.9911,
        "easting": 451452.0177,
        "northing": 6512300.12,
        "existing_z": 239.6666,
        "design_z": 240.1326,
        "delta_z": 0.466
      },
      {
        "ch": 160.0,
        "easting": 451458.0266,
        "northing": 6512300.12,
        "existing_z": 239.2565,
        "design_z": 239.7656,
        "delta_z": 0.5091
      },
      {
        "ch": 170.0,
        "easting": 451468.0266,
        "northing": 6512300.12,
        "existing_z": 238.5741,
        "design_z": 239.199,
        "delta_z": 0.625
      },
      {
        "ch": 173.9911,
        "easting": 451472.0177,
        "northing": 6512300.12,
        "existing_z": 238.3169,
        "design_z": 238.9883,
        "delta_z": 0.6714
      },
      {
        "ch": 180.0,
        "easting": 451478.0266,
        "northing": 6512300.12,
        "existing_z": 237.9522,
        "design_z": 238.6777,
        "delta_z": 0.7255
      },
      {
        "ch": 190.0,
        "easting": 451488.0266,
        "northing": 6512300.12,
        "existing_z": 237.3452,
        "design_z": 238.1607,
        "delta_z": 0.8155
      },
      {
        "ch": 200.0,
        "easting": 451498.0266,
        "northing": 6512300.12,
        "existing_z": 236.795,
        "design_z": 237.6437,
        "delta_z": 0.8487
      },
      {
        "ch": 210.0,
        "easting": 451508.0266,
        "northing": 6512300.12,
        "existing_z": 236.2587,
        "design_z": 237.1267,
        "delta_z": 0.868
      },
      {
        "ch": 210.9867,
        "easting": 451509.0133,
        "northing": 6512300.12,
        "existing_z": 236.2058,
        "design_z": 237.0757,
        "delta_z": 0.8699
      },
      {
        "ch": 220.0,
        "easting": 451518.0266,
        "northing": 6512300.12,
        "existing_z": 235.7889,
        "design_z": 236.6643,
        "delta_z": 0.8754
      },
      {
        "ch": 230.0,
        "easting": 451528.0266,
        "northing": 6512300.12,
        "existing_z": 235.3353,
        "design_z": 236.3354,
        "delta_z": 1.0002
      },
      {
        "ch": 230.9867,
        "easting": 451529.0133,
        "northing": 6512300.12,
        "existing_z": 235.2905,
        "design_z": 236.3103,
        "delta_z": 1.0197
      },
      {
        "ch": 240.0,
        "easting": 451538.0266,
        "northing": 6512300.12,
        "existing_z": 234.9861,
        "design_z": 236.1409,
        "delta_z": 1.1548
      },
      {
        "ch": 250.0,
        "easting": 451548.0266,
        "northing": 6512300.12,
        "existing_z": 234.6626,
        "design_z": 236.0806,
        "delta_z": 1.418
      },
      {
        "ch": 250.9867,
        "easting": 451549.0133,
        "northing": 6512300.12,
        "existing_z": 234.6307,
        "design_z": 236.0819,
        "delta_z": 1.4512
      },
      {
        "ch": 260.0,
        "easting": 451558.0266,
        "northing": 6512300.12,
        "existing_z": 234.5057,
        "design_z": 236.1,
        "delta_z": 1.5943
      },
      {
        "ch": 270.0,
        "easting": 451568.0266,
        "northing": 6512300.12,
        "existing_z": 234.3898,
        "design_z": 236.1201,
        "delta_z": 1.7302
      },
      {
        "ch": 280.0,
        "easting": 451578.0266,
        "northing": 6512300.12,
        "existing_z": 234.4716,
        "design_z": 236.1401,
        "delta_z": 1.6685
      },
      {
        "ch": 287.3789,
        "easting": 451585.4055,
        "northing": 6512300.12,
        "existing_z": 234.5678,
        "design_z": 236.155,
        "delta_z": 1.5872
      },
      {
        "ch": 290.0,
        "easting": 451588.0266,
        "northing": 6512300.12,
        "existing_z": 234.602,
        "design_z": 236.1659,
        "delta_z": 1.564
      },
      {
        "ch": 300.0,
        "easting": 451598.0266,
        "northing": 6512300.12,
        "existing_z": 234.9145,
        "design_z": 236.313,
        "delta_z": 1.3985
      },
      {
        "ch": 307.9823,
        "easting": 451606.0089,
        "northing": 6512300.12,
        "existing_z": 235.1997,
        "design_z": 236.5501,
        "delta_z": 1.3503
      },
      {
        "ch": 310.0,
        "easting": 451608.0266,
        "northing": 6512300.12,
        "existing_z": 235.2718,
        "design_z": 236.6268,
        "delta_z": 1.355
      },
      {
        "ch": 320.0,
        "easting": 451618.0266,
        "northing": 6512300.12,
        "existing_z": 235.781,
        "design_z": 237.1072,
        "delta_z": 1.3263
      },
      {
        "ch": 328.5857,
        "easting": 451626.6122,
        "northing": 6512300.12,
        "existing_z": 236.2501,
        "design_z": 237.6527,
        "delta_z": 1.4025
      },
      {
        "ch": 330.0,
        "easting": 451628.0266,
        "northing": 6512300.12,
        "existing_z": 236.3274,
        "design_z": 237.7526,
        "delta_z": 1.4252
      },
      {
        "ch": 340.0,
        "easting": 451638.0266,
        "northing": 6512300.12,
        "existing_z": 237.007,
        "design_z": 238.4595,
        "delta_z": 1.4525
      },
      {
        "ch": 350.0,
        "easting": 451648.0266,
        "northing": 6512300.12,
        "existing_z": 237.7192,
        "design_z": 239.1664,
        "delta_z": 1.4472
      },
      {
        "ch": 360.0,
        "easting": 451658.0266,
        "northing": 6512300.12,
        "existing_z": 238.5388,
        "design_z": 239.8732,
        "delta_z": 1.3344
      },
      {
        "ch": 364.9779,
        "easting": 451663.0044,
        "northing": 6512300.12,
        "existing_z": 238.9599,
        "design_z": 240.2251,
        "delta_z": 1.2652
      },
      {
        "ch": 370.0,
        "easting": 451668.0266,
        "northing": 6512300.12,
        "existing_z": 239.3848,
        "design_z": 240.5975,
        "delta_z": 1.2128
      },
      {
        "ch": 380.0,
        "easting": 451678.0266,
        "northing": 6512300.12,
        "existing_z": 240.3284,
        "design_z": 241.4433,
        "delta_z": 1.1149
      },
      {
        "ch": 384.9779,
        "easting": 451683.0044,
        "northing": 6512300.12,
        "existing_z": 240.8101,
        "design_z": 241.9159,
        "delta_z": 1.1058
      },
      {
        "ch": 390.0,
        "easting": 451688.0266,
        "northing": 6512300.12,
        "existing_z": 241.296,
        "design_z": 242.4276,
        "delta_z": 1.1315
      },
      {
        "ch": 400.0,
        "easting": 451698.0266,
        "northing": 6512300.12,
        "existing_z": 242.4039,
        "design_z": 243.5505,
        "delta_z": 1.1466
      },
      {
        "ch": 404.9779,
        "easting": 451703.0044,
        "northing": 6512300.12,
        "existing_z": 242.9725,
        "design_z": 244.1611,
        "delta_z": 1.1886
      },
      {
        "ch": 410.0,
        "easting": 451708.0266,
        "northing": 6512300.12,
        "existing_z": 243.5461,
        "design_z": 244.7944,
        "delta_z": 1.2483
      },
      {
        "ch": 420.0,
        "easting": 451718.0266,
        "northing": 6512300.12,
        "existing_z": 244.8444,
        "design_z": 246.0556,
        "delta_z": 1.2112
      },
      {
        "ch": 430.0,
        "easting": 451728.0266,
        "northing": 6512300.12,
        "existing_z": 246.1811,
        "design_z": 247.3167,
        "delta_z": 1.1357
      },
      {
        "ch": 440.0,
        "easting": 451738.0266,
        "northing": 6512300.12,
        "existing_z": 247.688,
        "design_z": 248.5779,
        "delta_z": 0.8899
      },
      {
        "ch": 450.0,
        "easting": 451748.0266,
        "northing": 6512300.12,
        "existing_z": 249.2368,
        "design_z": 249.839,
        "delta_z": 0.6022
      },
      {
        "ch": 460.0,
        "easting": 451758.0266,
        "northing": 6512300.12,
        "existing_z": 250.9926,
        "design_z": 251.1002,
        "delta_z": 0.1076
      },
      {
        "ch": 461.9734,
        "easting": 451760.0,
        "northing": 6512300.12,
        "existing_z": 251.3491,
        "design_z": 251.3491,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD436",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 75.889,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.58,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450985.49771548295,
          6512346.72604276
        ],
        "end": [
          451051.2192725244,
          6512308.780727476
        ],
        "chainage_start": 0,
        "length": 75.88919562055226
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450985.4977,
        "northing": 6512346.726,
        "existing_z": 273.5405,
        "design_z": 273.5405,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450994.1579,
        "northing": 6512341.7259,
        "existing_z": 273.6227,
        "design_z": 273.599,
        "delta_z": -0.0238
      },
      {
        "ch": 20.0,
        "easting": 451002.8181,
        "northing": 6512336.7259,
        "existing_z": 273.6283,
        "design_z": 273.6574,
        "delta_z": 0.0291
      },
      {
        "ch": 30.0,
        "easting": 451011.4783,
        "northing": 6512331.7258,
        "existing_z": 273.6558,
        "design_z": 273.7159,
        "delta_z": 0.0602
      },
      {
        "ch": 40.0,
        "easting": 451020.1385,
        "northing": 6512326.7257,
        "existing_z": 273.6557,
        "design_z": 273.7744,
        "delta_z": 0.1187
      },
      {
        "ch": 50.0,
        "easting": 451028.7987,
        "northing": 6512321.7256,
        "existing_z": 273.6952,
        "design_z": 273.8329,
        "delta_z": 0.1377
      },
      {
        "ch": 60.0,
        "easting": 451037.4589,
        "northing": 6512316.7255,
        "existing_z": 273.7918,
        "design_z": 273.8914,
        "delta_z": 0.0995
      },
      {
        "ch": 70.0,
        "easting": 451046.1191,
        "northing": 6512311.7254,
        "existing_z": 273.9178,
        "design_z": 273.9499,
        "delta_z": 0.032
      },
      {
        "ch": 75.8892,
        "easting": 451051.2193,
        "northing": 6512308.7807,
        "existing_z": 273.9843,
        "design_z": 273.9843,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD437",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 128.369,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 4.03,
    "radius_review_count": 4,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451051.2192725244,
          6512308.780727476
        ],
        "end": [
          451038.4000000001,
          6512321.6
        ],
        "chainage_start": 0,
        "length": 18.129189063249807
      },
      {
        "type": "ARC",
        "centre": [
          451046.8,
          6512330.0
        ],
        "radius": 11.87939392385253,
        "start_angle_rad": -2.356194490164627,
        "sweep_rad": -1.5707963268017544,
        "start": [
          451038.4000000001,
          6512321.6
        ],
        "end": [
          451038.4,
          6512338.4
        ],
        "chainage_start": 18.129189063249807,
        "length": 18.660108340218635,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451038.39999999985,
          6512338.399999999
        ],
        "end": [
          451041.6,
          6512341.6
        ],
        "chainage_start": 36.78929740346844,
        "length": 4.525483399816163
      },
      {
        "type": "ARC",
        "centre": [
          451021.32060607604,
          6512361.879393923
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": -0.7853981633859671,
        "sweep_rad": 0.7853981633974484,
        "start": [
          451041.6,
          6512341.6
        ],
        "end": [
          451050.0,
          6512361.879393924
        ],
        "chainage_start": 41.3147808032846,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451050.0,
          6512361.879393923
        ],
        "end": [
          451050.0,
          6512378.120606076
        ],
        "chainage_start": 63.839524118494296,
        "length": 16.24121215287596
      },
      {
        "type": "ARC",
        "centre": [
          451078.67939392396,
          6512378.120606076
        ],
        "radius": 28.679393923933993,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -0.7853981633974484,
        "start": [
          451050.0,
          6512378.120606076
        ],
        "end": [
          451058.4,
          6512398.4
        ],
        "chainage_start": 80.08073627137026,
        "length": 22.524743315209697,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451058.4,
          6512398.399999999
        ],
        "end": [
          451066.60953260417,
          6512406.609532604
        ],
        "chainage_start": 102.60547958657995,
        "length": 11.610032349814583
      },
      {
        "type": "ARC",
        "centre": [
          451063.2190652084,
          6512410.0
        ],
        "radius": 4.7948449738730154,
        "start_angle_rad": -0.7853981634317844,
        "sweep_rad": 1.5707963268165284,
        "start": [
          451066.60953260417,
          6512406.609532604
        ],
        "end": [
          451066.6095326041,
          6512413.390467396
        ],
        "chainage_start": 114.21551193639453,
        "length": 7.531724872614426,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451066.6095326042,
          6512413.390467396
        ],
        "end": [
          451061.92745858117,
          6512418.0725414185
        ],
        "chainage_start": 121.74723680900897,
        "length": 6.621452583036646
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 64.1843446960228,
        "pvi_z": 271.3964656888241,
        "bvc": 44.184344696022805,
        "evc": 84.1843446960228,
        "length": 40.0,
        "g1": -0.04031899504895954,
        "g2": -0.037832192556492436,
        "z_bvc": 272.2028455898033,
        "K_m_per_percent": 160.84912300500724
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451051.2193,
        "northing": 6512308.7807,
        "existing_z": 273.9843,
        "design_z": 273.9843,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451044.1482,
        "northing": 6512315.8518,
        "existing_z": 273.7238,
        "design_z": 273.5811,
        "delta_z": -0.1426
      },
      {
        "ch": 20.0,
        "easting": 451037.1865,
        "northing": 6512323.0214,
        "existing_z": 273.4651,
        "design_z": 273.1779,
        "delta_z": -0.2872
      },
      {
        "ch": 30.0,
        "easting": 451035.1913,
        "northing": 6512332.5214,
        "existing_z": 273.0272,
        "design_z": 272.7747,
        "delta_z": -0.2524
      },
      {
        "ch": 40.0,
        "easting": 451040.6703,
        "northing": 6512340.6703,
        "existing_z": 272.5299,
        "design_z": 272.3716,
        "delta_z": -0.1584
      },
      {
        "ch": 44.1843,
        "easting": 451043.5243,
        "northing": 6512343.7271,
        "existing_z": 272.3164,
        "design_z": 272.2028,
        "delta_z": -0.1136
      },
      {
        "ch": 50.0,
        "easting": 451046.7251,
        "northing": 6512348.5708,
        "existing_z": 272.0027,
        "design_z": 271.9694,
        "delta_z": -0.0333
      },
      {
        "ch": 60.0,
        "easting": 451049.7434,
        "northing": 6512358.0513,
        "existing_z": 271.5299,
        "design_z": 271.5729,
        "delta_z": 0.043
      },
      {
        "ch": 64.1843,
        "easting": 451050.0,
        "northing": 6512362.2242,
        "existing_z": 271.356,
        "design_z": 271.4089,
        "delta_z": 0.0529
      },
      {
        "ch": 70.0,
        "easting": 451050.0,
        "northing": 6512368.0399,
        "existing_z": 271.1233,
        "design_z": 271.1827,
        "delta_z": 0.0594
      },
      {
        "ch": 80.0,
        "easting": 451050.0,
        "northing": 6512378.0399,
        "existing_z": 270.7462,
        "design_z": 270.7987,
        "delta_z": 0.0525
      },
      {
        "ch": 84.1843,
        "easting": 451050.2931,
        "northing": 6512382.2102,
        "existing_z": 270.5833,
        "design_z": 270.6398,
        "delta_z": 0.0566
      },
      {
        "ch": 90.0,
        "easting": 451051.6983,
        "northing": 6512387.8433,
        "existing_z": 270.3373,
        "design_z": 270.4198,
        "delta_z": 0.0825
      },
      {
        "ch": 100.0,
        "easting": 451056.6438,
        "northing": 6512396.4766,
        "existing_z": 269.8901,
        "design_z": 270.0415,
        "delta_z": 0.1514
      },
      {
        "ch": 110.0,
        "easting": 451063.6287,
        "northing": 6512403.6287,
        "existing_z": 269.4806,
        "design_z": 269.6632,
        "delta_z": 0.1825
      },
      {
        "ch": 120.0,
        "easting": 451067.5952,
        "northing": 6512411.9595,
        "existing_z": 269.1157,
        "design_z": 269.2848,
        "delta_z": 0.1691
      },
      {
        "ch": 128.3687,
        "easting": 451061.9275,
        "northing": 6512418.0725,
        "existing_z": 268.9682,
        "design_z": 268.9682,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD438",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 175.703,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.27,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451061.92745858117,
          6512418.0725414185
        ],
        "end": [
          451214.09,
          6512330.22
        ],
        "chainage_start": 0,
        "length": 175.70289708703964
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 58.56763236234655,
        "pvi_z": 267.68857517838364,
        "bvc": 38.56763236234655,
        "evc": 78.56763236234656,
        "length": 40.0,
        "g1": -0.021849201874360364,
        "g2": -0.04999481252281097,
        "z_bvc": 268.12555921587085,
        "K_m_per_percent": 14.211807482031652
      },
      {
        "pvi_ch": 117.1352647246931,
        "pvi_z": 264.7604973785232,
        "bvc": 97.1352647246931,
        "evc": 137.13526472469312,
        "length": 40.0,
        "g1": -0.04999481252281097,
        "g2": -0.07265268537525364,
        "z_bvc": 265.76039362897944,
        "K_m_per_percent": 17.65390787586123
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451061.9275,
        "northing": 6512418.0725,
        "existing_z": 268.9682,
        "design_z": 268.9682,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451070.5877,
        "northing": 6512413.0725,
        "existing_z": 269.0168,
        "design_z": 268.7497,
        "delta_z": -0.267
      },
      {
        "ch": 20.0,
        "easting": 451079.2479,
        "northing": 6512408.0724,
        "existing_z": 268.9287,
        "design_z": 268.5312,
        "delta_z": -0.3975
      },
      {
        "ch": 30.0,
        "easting": 451087.9081,
        "northing": 6512403.0724,
        "existing_z": 268.8085,
        "design_z": 268.3128,
        "delta_z": -0.4957
      },
      {
        "ch": 38.5676,
        "easting": 451095.3279,
        "northing": 6512398.7885,
        "existing_z": 268.6257,
        "design_z": 268.1256,
        "delta_z": -0.5001
      },
      {
        "ch": 40.0,
        "easting": 451096.5683,
        "northing": 6512398.0723,
        "existing_z": 268.5898,
        "design_z": 268.0935,
        "delta_z": -0.4963
      },
      {
        "ch": 50.0,
        "easting": 451105.2285,
        "northing": 6512393.0722,
        "existing_z": 268.3318,
        "design_z": 267.8298,
        "delta_z": -0.502
      },
      {
        "ch": 58.5676,
        "easting": 451112.6483,
        "northing": 6512388.7884,
        "existing_z": 268.0632,
        "design_z": 267.5478,
        "delta_z": -0.5153
      },
      {
        "ch": 60.0,
        "easting": 451113.8888,
        "northing": 6512388.0722,
        "existing_z": 268.0066,
        "design_z": 267.4957,
        "delta_z": -0.511
      },
      {
        "ch": 70.0,
        "easting": 451122.549,
        "northing": 6512383.0721,
        "existing_z": 267.6038,
        "design_z": 267.0912,
        "delta_z": -0.5126
      },
      {
        "ch": 78.5676,
        "easting": 451129.9687,
        "northing": 6512378.7882,
        "existing_z": 267.2473,
        "design_z": 266.6887,
        "delta_z": -0.5586
      },
      {
        "ch": 80.0,
        "easting": 451131.2092,
        "northing": 6512378.072,
        "existing_z": 267.1718,
        "design_z": 266.6171,
        "delta_z": -0.5547
      },
      {
        "ch": 90.0,
        "easting": 451139.8694,
        "northing": 6512373.072,
        "existing_z": 266.6309,
        "design_z": 266.1171,
        "delta_z": -0.5137
      },
      {
        "ch": 97.1353,
        "easting": 451146.0487,
        "northing": 6512369.5043,
        "existing_z": 266.2343,
        "design_z": 265.7604,
        "delta_z": -0.4739
      },
      {
        "ch": 100.0,
        "easting": 451148.5296,
        "northing": 6512368.0719,
        "existing_z": 266.0755,
        "design_z": 265.6148,
        "delta_z": -0.4607
      },
      {
        "ch": 110.0,
        "easting": 451157.1899,
        "northing": 6512363.0719,
        "existing_z": 265.4595,
        "design_z": 265.0703,
        "delta_z": -0.3892
      },
      {
        "ch": 117.1353,
        "easting": 451163.3692,
        "northing": 6512359.5042,
        "existing_z": 264.9982,
        "design_z": 264.6472,
        "delta_z": -0.351
      },
      {
        "ch": 120.0,
        "easting": 451165.8501,
        "northing": 6512358.0718,
        "existing_z": 264.8094,
        "design_z": 264.4692,
        "delta_z": -0.3402
      },
      {
        "ch": 130.0,
        "easting": 451174.5103,
        "northing": 6512353.0717,
        "existing_z": 264.1119,
        "design_z": 263.8114,
        "delta_z": -0.3005
      },
      {
        "ch": 137.1353,
        "easting": 451180.6896,
        "northing": 6512349.5041,
        "existing_z": 263.5836,
        "design_z": 263.3074,
        "delta_z": -0.2761
      },
      {
        "ch": 140.0,
        "easting": 451183.1705,
        "northing": 6512348.0717,
        "existing_z": 263.3733,
        "design_z": 263.0993,
        "delta_z": -0.274
      },
      {
        "ch": 150.0,
        "easting": 451191.8307,
        "northing": 6512343.0716,
        "existing_z": 262.6201,
        "design_z": 262.3728,
        "delta_z": -0.2474
      },
      {
        "ch": 160.0,
        "easting": 451200.4909,
        "northing": 6512338.0715,
        "existing_z": 261.8209,
        "design_z": 261.6463,
        "delta_z": -0.1746
      },
      {
        "ch": 170.0,
        "easting": 451209.1512,
        "northing": 6512333.0715,
        "existing_z": 260.9915,
        "design_z": 260.9197,
        "delta_z": -0.0718
      },
      {
        "ch": 175.7029,
        "easting": 451214.09,
        "northing": 6512330.22,
        "existing_z": 260.5054,
        "design_z": 260.5054,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD439",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 760.0,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 13.81,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451380.0,
          6512400.12
        ],
        "end": [
          452140.0,
          6512400.12
        ],
        "chainage_start": 0,
        "length": 760.0
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 76.0,
        "pvi_z": 242.69050152622464,
        "bvc": 56.0,
        "evc": 96.0,
        "length": 40.0,
        "g1": -0.09944138616809689,
        "g2": -0.049031135091204034,
        "z_bvc": 244.67932924958657,
        "K_m_per_percent": 7.934894023635458
      },
      {
        "pvi_ch": 152.0,
        "pvi_z": 238.96413525929313,
        "bvc": 132.0,
        "evc": 172.0,
        "length": 40.0,
        "g1": -0.049031135091204034,
        "g2": 0.01293756459468616,
        "z_bvc": 239.9447579611172,
        "K_m_per_percent": 6.454871604980232
      },
      {
        "pvi_ch": 228.0,
        "pvi_z": 239.94739016848928,
        "bvc": 208.0,
        "evc": 248.0,
        "length": 40.0,
        "g1": 0.01293756459468616,
        "g2": 0.058586520788403026,
        "z_bvc": 239.68863887659555,
        "K_m_per_percent": 8.76252237406156
      },
      {
        "pvi_ch": 304.0,
        "pvi_z": 244.3999657484079,
        "bvc": 284.0,
        "evc": 324.0,
        "length": 40.0,
        "g1": 0.058586520788403026,
        "g2": 0.10438932077118586,
        "z_bvc": 243.22823533263985,
        "K_m_per_percent": 8.733090556698697
      },
      {
        "pvi_ch": 380.0,
        "pvi_z": 252.33355412701803,
        "bvc": 360.0,
        "evc": 400.0,
        "length": 40.0,
        "g1": 0.10438932077118586,
        "g2": 0.13806789006076545,
        "z_bvc": 250.2457677115943,
        "K_m_per_percent": 11.876989089431513
      },
      {
        "pvi_ch": 456.0,
        "pvi_z": 262.8267137716362,
        "bvc": 436.0,
        "evc": 476.0,
        "length": 40.0,
        "g1": 0.13806789006076545,
        "g2": 0.08956204644789448,
        "z_bvc": 260.0653559704209,
        "K_m_per_percent": 8.246429094037248
      },
      {
        "pvi_ch": 532.0,
        "pvi_z": 269.6334293016762,
        "bvc": 503.3077439648072,
        "evc": 560.6922560351928,
        "length": 57.38451207038568,
        "g1": 0.08956204644789448,
        "g2": -0.006078807002748327,
        "z_bvc": 267.0636921339574,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 608.0,
        "pvi_z": 269.1714399694673,
        "bvc": 584.0030608988263,
        "evc": 631.9969391011737,
        "length": 47.99387820234738,
        "g1": -0.006078807002748327,
        "g2": -0.08606860400666062,
        "z_bvc": 269.31731273092004,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 684.0,
        "pvi_z": 262.6302260649611,
        "bvc": 664.0,
        "evc": 704.0,
        "length": 40.0,
        "g1": -0.08606860400666062,
        "g2": -0.09495373683593973,
        "z_bvc": 264.35159814509433,
        "K_m_per_percent": 45.01902309010882
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451380.0,
        "northing": 6512400.12,
        "existing_z": 250.248,
        "design_z": 250.248,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451390.0,
        "northing": 6512400.12,
        "existing_z": 249.1773,
        "design_z": 249.2536,
        "delta_z": 0.0763
      },
      {
        "ch": 20.0,
        "easting": 451400.0,
        "northing": 6512400.12,
        "existing_z": 247.9399,
        "design_z": 248.2592,
        "delta_z": 0.3193
      },
      {
        "ch": 30.0,
        "easting": 451410.0,
        "northing": 6512400.12,
        "existing_z": 246.7026,
        "design_z": 247.2648,
        "delta_z": 0.5622
      },
      {
        "ch": 40.0,
        "easting": 451420.0,
        "northing": 6512400.12,
        "existing_z": 245.5113,
        "design_z": 246.2704,
        "delta_z": 0.7591
      },
      {
        "ch": 50.0,
        "easting": 451430.0,
        "northing": 6512400.12,
        "existing_z": 244.32,
        "design_z": 245.276,
        "delta_z": 0.956
      },
      {
        "ch": 56.0,
        "easting": 451436.0,
        "northing": 6512400.12,
        "existing_z": 243.7408,
        "design_z": 244.6793,
        "delta_z": 0.9386
      },
      {
        "ch": 60.0,
        "easting": 451440.0,
        "northing": 6512400.12,
        "existing_z": 243.3546,
        "design_z": 244.2916,
        "delta_z": 0.937
      },
      {
        "ch": 70.0,
        "easting": 451450.0,
        "northing": 6512400.12,
        "existing_z": 242.3893,
        "design_z": 243.4107,
        "delta_z": 1.0214
      },
      {
        "ch": 76.0,
        "easting": 451456.0,
        "northing": 6512400.12,
        "existing_z": 241.9474,
        "design_z": 242.9426,
        "delta_z": 0.9952
      },
      {
        "ch": 80.0,
        "easting": 451460.0,
        "northing": 6512400.12,
        "existing_z": 241.6528,
        "design_z": 242.6557,
        "delta_z": 1.0029
      },
      {
        "ch": 90.0,
        "easting": 451470.0,
        "northing": 6512400.12,
        "existing_z": 240.9162,
        "design_z": 242.0268,
        "delta_z": 1.1106
      },
      {
        "ch": 96.0,
        "easting": 451476.0,
        "northing": 6512400.12,
        "existing_z": 240.5551,
        "design_z": 241.7099,
        "delta_z": 1.1548
      },
      {
        "ch": 100.0,
        "easting": 451480.0,
        "northing": 6512400.12,
        "existing_z": 240.3143,
        "design_z": 241.5138,
        "delta_z": 1.1994
      },
      {
        "ch": 110.0,
        "easting": 451490.0,
        "northing": 6512400.12,
        "existing_z": 239.7125,
        "design_z": 241.0234,
        "delta_z": 1.3109
      },
      {
        "ch": 120.0,
        "easting": 451500.0,
        "northing": 6512400.12,
        "existing_z": 239.2188,
        "design_z": 240.5331,
        "delta_z": 1.3143
      },
      {
        "ch": 130.0,
        "easting": 451510.0,
        "northing": 6512400.12,
        "existing_z": 238.7251,
        "design_z": 240.0428,
        "delta_z": 1.3177
      },
      {
        "ch": 132.0,
        "easting": 451512.0,
        "northing": 6512400.12,
        "existing_z": 238.6594,
        "design_z": 239.9448,
        "delta_z": 1.2853
      },
      {
        "ch": 140.0,
        "easting": 451520.0,
        "northing": 6512400.12,
        "existing_z": 238.3968,
        "design_z": 239.6021,
        "delta_z": 1.2053
      },
      {
        "ch": 150.0,
        "easting": 451530.0,
        "northing": 6512400.12,
        "existing_z": 238.0685,
        "design_z": 239.3132,
        "delta_z": 1.2447
      },
      {
        "ch": 152.0,
        "easting": 451532.0,
        "northing": 6512400.12,
        "existing_z": 238.0469,
        "design_z": 239.274,
        "delta_z": 1.2271
      },
      {
        "ch": 160.0,
        "easting": 451540.0,
        "northing": 6512400.12,
        "existing_z": 237.9604,
        "design_z": 239.1792,
        "delta_z": 1.2188
      },
      {
        "ch": 170.0,
        "easting": 451550.0,
        "northing": 6512400.12,
        "existing_z": 237.8523,
        "design_z": 239.2001,
        "delta_z": 1.3478
      },
      {
        "ch": 172.0,
        "easting": 451552.0,
        "northing": 6512400.12,
        "existing_z": 237.8782,
        "design_z": 239.2229,
        "delta_z": 1.3447
      },
      {
        "ch": 180.0,
        "easting": 451560.0,
        "northing": 6512400.12,
        "existing_z": 237.9816,
        "design_z": 239.3264,
        "delta_z": 1.3448
      },
      {
        "ch": 190.0,
        "easting": 451570.0,
        "northing": 6512400.12,
        "existing_z": 238.1109,
        "design_z": 239.4558,
        "delta_z": 1.3448
      },
      {
        "ch": 200.0,
        "easting": 451580.0,
        "northing": 6512400.12,
        "existing_z": 238.3994,
        "design_z": 239.5851,
        "delta_z": 1.1857
      },
      {
        "ch": 208.0,
        "easting": 451588.0,
        "northing": 6512400.12,
        "existing_z": 238.6302,
        "design_z": 239.6886,
        "delta_z": 1.0584
      },
      {
        "ch": 210.0,
        "easting": 451590.0,
        "northing": 6512400.12,
        "existing_z": 238.6879,
        "design_z": 239.7168,
        "delta_z": 1.0289
      },
      {
        "ch": 220.0,
        "easting": 451600.0,
        "northing": 6512400.12,
        "existing_z": 239.0889,
        "design_z": 239.9261,
        "delta_z": 0.8372
      },
      {
        "ch": 228.0,
        "easting": 451608.0,
        "northing": 6512400.12,
        "existing_z": 239.4096,
        "design_z": 240.1756,
        "delta_z": 0.766
      },
      {
        "ch": 230.0,
        "easting": 451610.0,
        "northing": 6512400.12,
        "existing_z": 239.4898,
        "design_z": 240.2494,
        "delta_z": 0.7596
      },
      {
        "ch": 240.0,
        "easting": 451620.0,
        "northing": 6512400.12,
        "existing_z": 239.97,
        "design_z": 240.6869,
        "delta_z": 0.717
      },
      {
        "ch": 248.0,
        "easting": 451628.0,
        "northing": 6512400.12,
        "existing_z": 240.3541,
        "design_z": 241.1191,
        "delta_z": 0.765
      },
      {
        "ch": 250.0,
        "easting": 451630.0,
        "northing": 6512400.12,
        "existing_z": 240.4501,
        "design_z": 241.2363,
        "delta_z": 0.7862
      },
      {
        "ch": 260.0,
        "easting": 451640.0,
        "northing": 6512400.12,
        "existing_z": 240.9958,
        "design_z": 241.8222,
        "delta_z": 0.8264
      },
      {
        "ch": 270.0,
        "easting": 451650.0,
        "northing": 6512400.12,
        "existing_z": 241.5415,
        "design_z": 242.408,
        "delta_z": 0.8666
      },
      {
        "ch": 280.0,
        "easting": 451660.0,
        "northing": 6512400.12,
        "existing_z": 242.16,
        "design_z": 242.9939,
        "delta_z": 0.8339
      },
      {
        "ch": 284.0,
        "easting": 451664.0,
        "northing": 6512400.12,
        "existing_z": 242.4074,
        "design_z": 243.2282,
        "delta_z": 0.8209
      },
      {
        "ch": 290.0,
        "easting": 451670.0,
        "northing": 6512400.12,
        "existing_z": 242.7785,
        "design_z": 243.6004,
        "delta_z": 0.8219
      },
      {
        "ch": 300.0,
        "easting": 451680.0,
        "northing": 6512400.12,
        "existing_z": 243.5028,
        "design_z": 244.3122,
        "delta_z": 0.8094
      },
      {
        "ch": 304.0,
        "easting": 451684.0,
        "northing": 6512400.12,
        "existing_z": 243.7925,
        "design_z": 244.629,
        "delta_z": 0.8365
      },
      {
        "ch": 310.0,
        "easting": 451690.0,
        "northing": 6512400.12,
        "existing_z": 244.2271,
        "design_z": 245.1385,
        "delta_z": 0.9114
      },
      {
        "ch": 320.0,
        "easting": 451700.0,
        "northing": 6512400.12,
        "existing_z": 245.0707,
        "design_z": 246.0794,
        "delta_z": 1.0086
      },
      {
        "ch": 324.0,
        "easting": 451704.0,
        "northing": 6512400.12,
        "existing_z": 245.4081,
        "design_z": 246.4878,
        "delta_z": 1.0796
      },
      {
        "ch": 330.0,
        "easting": 451710.0,
        "northing": 6512400.12,
        "existing_z": 245.9143,
        "design_z": 247.1141,
        "delta_z": 1.1998
      },
      {
        "ch": 340.0,
        "easting": 451720.0,
        "northing": 6512400.12,
        "existing_z": 246.9045,
        "design_z": 248.158,
        "delta_z": 1.2535
      },
      {
        "ch": 350.0,
        "easting": 451730.0,
        "northing": 6512400.12,
        "existing_z": 247.8947,
        "design_z": 249.2019,
        "delta_z": 1.3072
      },
      {
        "ch": 360.0,
        "easting": 451740.0,
        "northing": 6512400.12,
        "existing_z": 249.0702,
        "design_z": 250.2458,
        "delta_z": 1.1756
      },
      {
        "ch": 370.0,
        "easting": 451750.0,
        "northing": 6512400.12,
        "existing_z": 250.2456,
        "design_z": 251.3318,
        "delta_z": 1.0861
      },
      {
        "ch": 380.0,
        "easting": 451760.0,
        "northing": 6512400.12,
        "existing_z": 251.6269,
        "design_z": 252.5019,
        "delta_z": 0.875
      },
      {
        "ch": 390.0,
        "easting": 451770.0,
        "northing": 6512400.12,
        "existing_z": 253.0082,
        "design_z": 253.7563,
        "delta_z": 0.7481
      },
      {
        "ch": 400.0,
        "easting": 451780.0,
        "northing": 6512400.12,
        "existing_z": 254.5741,
        "design_z": 255.0949,
        "delta_z": 0.5208
      },
      {
        "ch": 410.0,
        "easting": 451790.0,
        "northing": 6512400.12,
        "existing_z": 256.1399,
        "design_z": 256.4756,
        "delta_z": 0.3357
      },
      {
        "ch": 420.0,
        "easting": 451800.0,
        "northing": 6512400.12,
        "existing_z": 257.8161,
        "design_z": 257.8563,
        "delta_z": 0.0402
      },
      {
        "ch": 430.0,
        "easting": 451810.0,
        "northing": 6512400.12,
        "existing_z": 259.4923,
        "design_z": 259.2369,
        "delta_z": -0.2553
      },
      {
        "ch": 436.0,
        "easting": 451816.0,
        "northing": 6512400.12,
        "existing_z": 260.4733,
        "design_z": 260.0654,
        "delta_z": -0.4079
      },
      {
        "ch": 440.0,
        "easting": 451820.0,
        "northing": 6512400.12,
        "existing_z": 261.1273,
        "design_z": 260.6079,
        "delta_z": -0.5194
      },
      {
        "ch": 450.0,
        "easting": 451830.0,
        "northing": 6512400.12,
        "existing_z": 262.7623,
        "design_z": 261.8795,
        "delta_z": -0.8828
      },
      {
        "ch": 456.0,
        "easting": 451836.0,
        "northing": 6512400.12,
        "existing_z": 263.619,
        "design_z": 262.5842,
        "delta_z": -1.0348
      },
      {
        "ch": 460.0,
        "easting": 451840.0,
        "northing": 6512400.12,
        "existing_z": 264.1902,
        "design_z": 263.0297,
        "delta_z": -1.1604
      },
      {
        "ch": 470.0,
        "easting": 451850.0,
        "northing": 6512400.12,
        "existing_z": 265.6181,
        "design_z": 264.0588,
        "delta_z": -1.5593
      },
      {
        "ch": 476.0,
        "easting": 451856.0,
        "northing": 6512400.12,
        "existing_z": 266.3018,
        "design_z": 264.618,
        "delta_z": -1.6838
      },
      {
        "ch": 480.0,
        "easting": 451860.0,
        "northing": 6512400.12,
        "existing_z": 266.7576,
        "design_z": 264.9762,
        "delta_z": -1.7814
      },
      {
        "ch": 490.0,
        "easting": 451870.0,
        "northing": 6512400.12,
        "existing_z": 267.8971,
        "design_z": 265.8718,
        "delta_z": -2.0252
      },
      {
        "ch": 500.0,
        "easting": 451880.0,
        "northing": 6512400.12,
        "existing_z": 268.7649,
        "design_z": 266.7674,
        "delta_z": -1.9974
      },
      {
        "ch": 503.3077,
        "easting": 451883.3077,
        "northing": 6512400.12,
        "existing_z": 269.0519,
        "design_z": 267.0637,
        "delta_z": -1.9882
      },
      {
        "ch": 510.0,
        "easting": 451890.0,
        "northing": 6512400.12,
        "existing_z": 269.6327,
        "design_z": 267.6257,
        "delta_z": -2.0069
      },
      {
        "ch": 520.0,
        "easting": 451900.0,
        "northing": 6512400.12,
        "existing_z": 270.2891,
        "design_z": 268.3265,
        "delta_z": -1.9626
      },
      {
        "ch": 530.0,
        "easting": 451910.0,
        "northing": 6512400.12,
        "existing_z": 270.9455,
        "design_z": 268.8606,
        "delta_z": -2.085
      },
      {
        "ch": 532.0,
        "easting": 451912.0,
        "northing": 6512400.12,
        "existing_z": 271.0259,
        "design_z": 268.9474,
        "delta_z": -2.0785
      },
      {
        "ch": 540.0,
        "easting": 451920.0,
        "northing": 6512400.12,
        "existing_z": 271.3474,
        "design_z": 269.228,
        "delta_z": -2.1194
      },
      {
        "ch": 550.0,
        "easting": 451930.0,
        "northing": 6512400.12,
        "existing_z": 271.7493,
        "design_z": 269.4287,
        "delta_z": -2.3205
      },
      {
        "ch": 560.0,
        "easting": 451940.0,
        "northing": 6512400.12,
        "existing_z": 271.8558,
        "design_z": 269.4628,
        "delta_z": -2.393
      },
      {
        "ch": 560.6923,
        "easting": 451940.6923,
        "northing": 6512400.12,
        "existing_z": 271.8632,
        "design_z": 269.459,
        "delta_z": -2.4041
      },
      {
        "ch": 570.0,
        "easting": 451950.0,
        "northing": 6512400.12,
        "existing_z": 271.9623,
        "design_z": 269.4024,
        "delta_z": -2.5599
      },
      {
        "ch": 580.0,
        "easting": 451960.0,
        "northing": 6512400.12,
        "existing_z": 271.8257,
        "design_z": 269.3416,
        "delta_z": -2.4841
      },
      {
        "ch": 584.0031,
        "easting": 451964.0031,
        "northing": 6512400.12,
        "existing_z": 271.771,
        "design_z": 269.3173,
        "delta_z": -2.4537
      },
      {
        "ch": 590.0,
        "easting": 451970.0,
        "northing": 6512400.12,
        "existing_z": 271.6891,
        "design_z": 269.2509,
        "delta_z": -2.4382
      },
      {
        "ch": 600.0,
        "easting": 451980.0,
        "northing": 6512400.12,
        "existing_z": 271.0027,
        "design_z": 269.0068,
        "delta_z": -1.9959
      },
      {
        "ch": 608.0,
        "easting": 451988.0,
        "northing": 6512400.12,
        "existing_z": 270.4536,
        "design_z": 268.6916,
        "delta_z": -1.7621
      },
      {
        "ch": 610.0,
        "easting": 451990.0,
        "northing": 6512400.12,
        "existing_z": 270.3163,
        "design_z": 268.5961,
        "delta_z": -1.7203
      },
      {
        "ch": 620.0,
        "easting": 452000.0,
        "northing": 6512400.12,
        "existing_z": 269.1595,
        "design_z": 268.0187,
        "delta_z": -1.1408
      },
      {
        "ch": 630.0,
        "easting": 452010.0,
        "northing": 6512400.12,
        "existing_z": 268.0026,
        "design_z": 267.2746,
        "delta_z": -0.728
      },
      {
        "ch": 631.9969,
        "easting": 452011.9969,
        "northing": 6512400.12,
        "existing_z": 267.769,
        "design_z": 267.1061,
        "delta_z": -0.663
      },
      {
        "ch": 640.0,
        "easting": 452020.0,
        "northing": 6512400.12,
        "existing_z": 266.8331,
        "design_z": 266.4172,
        "delta_z": -0.4159
      },
      {
        "ch": 650.0,
        "easting": 452030.0,
        "northing": 6512400.12,
        "existing_z": 265.6637,
        "design_z": 265.5566,
        "delta_z": -0.1071
      },
      {
        "ch": 660.0,
        "easting": 452040.0,
        "northing": 6512400.12,
        "existing_z": 264.6733,
        "design_z": 264.6959,
        "delta_z": 0.0226
      },
      {
        "ch": 664.0,
        "easting": 452044.0,
        "northing": 6512400.12,
        "existing_z": 264.2771,
        "design_z": 264.3516,
        "delta_z": 0.0745
      },
      {
        "ch": 670.0,
        "easting": 452050.0,
        "northing": 6512400.12,
        "existing_z": 263.6829,
        "design_z": 263.8312,
        "delta_z": 0.1483
      },
      {
        "ch": 680.0,
        "easting": 452060.0,
        "northing": 6512400.12,
        "existing_z": 262.8196,
        "design_z": 262.9461,
        "delta_z": 0.1265
      },
      {
        "ch": 684.0,
        "easting": 452064.0,
        "northing": 6512400.12,
        "existing_z": 262.4743,
        "design_z": 262.5858,
        "delta_z": 0.1115
      },
      {
        "ch": 690.0,
        "easting": 452070.0,
        "northing": 6512400.12,
        "existing_z": 261.9564,
        "design_z": 262.0387,
        "delta_z": 0.0823
      },
      {
        "ch": 700.0,
        "easting": 452080.0,
        "northing": 6512400.12,
        "existing_z": 261.0653,
        "design_z": 261.1092,
        "delta_z": 0.0439
      },
      {
        "ch": 704.0,
        "easting": 452084.0,
        "northing": 6512400.12,
        "existing_z": 260.7089,
        "design_z": 260.7312,
        "delta_z": 0.0222
      },
      {
        "ch": 710.0,
        "easting": 452090.0,
        "northing": 6512400.12,
        "existing_z": 260.1743,
        "design_z": 260.1614,
        "delta_z": -0.0129
      },
      {
        "ch": 720.0,
        "easting": 452100.0,
        "northing": 6512400.12,
        "existing_z": 259.2337,
        "design_z": 259.2119,
        "delta_z": -0.0218
      },
      {
        "ch": 730.0,
        "easting": 452110.0,
        "northing": 6512400.12,
        "existing_z": 258.2932,
        "design_z": 258.2624,
        "delta_z": -0.0308
      },
      {
        "ch": 740.0,
        "easting": 452120.0,
        "northing": 6512400.12,
        "existing_z": 257.3514,
        "design_z": 257.3128,
        "delta_z": -0.0386
      },
      {
        "ch": 750.0,
        "easting": 452130.0,
        "northing": 6512400.12,
        "existing_z": 256.4097,
        "design_z": 256.3633,
        "delta_z": -0.0464
      },
      {
        "ch": 760.0,
        "easting": 452140.0,
        "northing": 6512400.12,
        "existing_z": 255.4137,
        "design_z": 255.4137,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD440",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 37.626,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 2.04,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451029.34231453115,
          6512436.885895156
        ],
        "end": [
          451061.92745858117,
          6512418.0725414185
        ],
        "chainage_start": 0,
        "length": 37.62623940316422
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451029.3423,
        "northing": 6512436.8859,
        "existing_z": 268.2019,
        "design_z": 268.2019,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451038.0025,
        "northing": 6512431.8858,
        "existing_z": 268.493,
        "design_z": 268.4056,
        "delta_z": -0.0874
      },
      {
        "ch": 20.0,
        "easting": 451046.6628,
        "northing": 6512426.8858,
        "existing_z": 268.7407,
        "design_z": 268.6092,
        "delta_z": -0.1314
      },
      {
        "ch": 30.0,
        "easting": 451055.323,
        "northing": 6512421.8857,
        "existing_z": 268.8978,
        "design_z": 268.8129,
        "delta_z": -0.0849
      },
      {
        "ch": 37.6262,
        "easting": 451061.9275,
        "northing": 6512418.0725,
        "existing_z": 268.9682,
        "design_z": 268.9682,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD441",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 38.388,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 2.0,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451061.92745858117,
          6512418.0725414185
        ],
        "end": [
          451055.0095326041,
          6512424.990467396
        ],
        "chainage_start": 0,
        "length": 9.783424740334851
      },
      {
        "type": "ARC",
        "centre": [
          451033.7888119577,
          6512403.76974675
        ],
        "radius": 30.010630941017972,
        "start_angle_rad": 0.785398163387848,
        "sweep_rad": 0.46364760901460134,
        "start": [
          451055.0095326041,
          6512424.990467396
        ],
        "end": [
          451043.27900673694,
          6512432.240331087
        ],
        "chainage_start": 9.783424740334851,
        "length": 13.914357280822598,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451043.2790067368,
          6512432.240331087
        ],
        "end": [
          451029.34231453115,
          6512436.885895156
        ],
        "chainage_start": 23.69778202115745,
        "length": 14.69056347302597
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451061.9275,
        "northing": 6512418.0725,
        "existing_z": 268.9682,
        "design_z": 268.9682,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451054.8558,
        "northing": 6512425.1431,
        "existing_z": 268.7615,
        "design_z": 268.7686,
        "delta_z": 0.0071
      },
      {
        "ch": 20.0,
        "easting": 451046.7062,
        "northing": 6512430.8581,
        "existing_z": 268.5478,
        "design_z": 268.569,
        "delta_z": 0.0211
      },
      {
        "ch": 30.0,
        "easting": 451037.3002,
        "northing": 6512434.2333,
        "existing_z": 268.3631,
        "design_z": 268.3693,
        "delta_z": 0.0063
      },
      {
        "ch": 38.3883,
        "easting": 451029.3423,
        "northing": 6512436.8859,
        "existing_z": 268.2019,
        "design_z": 268.2019,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD442",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 300.855,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.2,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450845.94,
          6512542.77
        ],
        "end": [
          450816.94,
          6512492.541999999
        ],
        "chainage_start": 0,
        "length": 57.99872398606693
      },
      {
        "type": "ARC",
        "centre": [
          450853.3119350638,
          6512471.542037492
        ],
        "radius": 41.99900100744334,
        "start_angle_rad": 2.617981175824353,
        "sweep_rad": 1.5707981121275998,
        "start": [
          450816.94,
          6512492.541999999
        ],
        "end": [
          450832.31203749176,
          6512435.170064936
        ],
        "chainage_start": 57.99872398606693,
        "length": 65.97195149373717,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450832.312037492,
          6512435.170064935
        ],
        "end": [
          450985.49771548295,
          6512346.72604276
        ],
        "chainage_start": 123.9706754798041,
        "length": 176.88469973458038
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 75.21384380359612,
        "pvi_z": 250.99813324737158,
        "bvc": 55.21384380359612,
        "evc": 95.21384380359612,
        "length": 40.0,
        "g1": 0.04045931898767385,
        "g2": 0.08203156178785075,
        "z_bvc": 250.1889468676181,
        "K_m_per_percent": 9.621804671993734
      },
      {
        "pvi_ch": 150.42768760719224,
        "pvi_z": 257.16804232264803,
        "bvc": 130.42768760719224,
        "evc": 170.42768760719224,
        "length": 40.0,
        "g1": 0.08203156178785075,
        "g2": 0.1120170958564977,
        "z_bvc": 255.52741108689102,
        "K_m_per_percent": 13.339765737847644
      },
      {
        "pvi_ch": 225.64153141078836,
        "pvi_z": 265.5932786737311,
        "bvc": 205.64153141078836,
        "evc": 245.64153141078836,
        "length": 40.0,
        "g1": 0.1120170958564977,
        "g2": 0.10566123512600846,
        "z_bvc": 263.35293675660114,
        "K_m_per_percent": 62.93404103101075
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450845.94,
        "northing": 6512542.77,
        "existing_z": 247.955,
        "design_z": 247.955,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450840.9399,
        "northing": 6512534.1098,
        "existing_z": 247.8459,
        "design_z": 248.3596,
        "delta_z": 0.5137
      },
      {
        "ch": 20.0,
        "easting": 450835.9398,
        "northing": 6512525.4496,
        "existing_z": 247.7901,
        "design_z": 248.7642,
        "delta_z": 0.9741
      },
      {
        "ch": 30.0,
        "easting": 450830.9397,
        "northing": 6512516.7894,
        "existing_z": 247.8224,
        "design_z": 249.1688,
        "delta_z": 1.3464
      },
      {
        "ch": 40.0,
        "easting": 450825.9396,
        "northing": 6512508.1292,
        "existing_z": 248.0703,
        "design_z": 249.5734,
        "delta_z": 1.5031
      },
      {
        "ch": 50.0,
        "easting": 450820.9394,
        "northing": 6512499.469,
        "existing_z": 248.5239,
        "design_z": 249.978,
        "delta_z": 1.4541
      },
      {
        "ch": 55.2138,
        "easting": 450818.3325,
        "northing": 6512494.9538,
        "existing_z": 248.7964,
        "design_z": 250.1889,
        "delta_z": 1.3925
      },
      {
        "ch": 60.0,
        "easting": 450815.981,
        "northing": 6512490.7857,
        "existing_z": 249.0722,
        "design_z": 250.3945,
        "delta_z": 1.3223
      },
      {
        "ch": 70.0,
        "easting": 450812.4954,
        "northing": 6512481.438,
        "existing_z": 249.8284,
        "design_z": 250.9008,
        "delta_z": 1.0724
      },
      {
        "ch": 75.2138,
        "easting": 450811.5842,
        "northing": 6512476.3078,
        "existing_z": 250.2927,
        "design_z": 251.206,
        "delta_z": 0.9133
      },
      {
        "ch": 80.0,
        "easting": 450811.3129,
        "northing": 6512471.5319,
        "existing_z": 250.7468,
        "design_z": 251.511,
        "delta_z": 0.7642
      },
      {
        "ch": 90.0,
        "easting": 450812.5002,
        "northing": 6512461.6264,
        "existing_z": 251.6856,
        "design_z": 252.2252,
        "delta_z": 0.5396
      },
      {
        "ch": 95.2138,
        "easting": 450814.0421,
        "northing": 6512456.6493,
        "existing_z": 252.1765,
        "design_z": 252.6388,
        "delta_z": 0.4622
      },
      {
        "ch": 100.0,
        "easting": 450815.9903,
        "northing": 6512452.2804,
        "existing_z": 252.6212,
        "design_z": 253.0314,
        "delta_z": 0.4102
      },
      {
        "ch": 110.0,
        "easting": 450821.5862,
        "northing": 6512444.0212,
        "existing_z": 253.4801,
        "design_z": 253.8517,
        "delta_z": 0.3716
      },
      {
        "ch": 120.0,
        "easting": 450828.9723,
        "northing": 6512437.3149,
        "existing_z": 254.2486,
        "design_z": 254.672,
        "delta_z": 0.4234
      },
      {
        "ch": 130.0,
        "easting": 450837.5336,
        "northing": 6512432.1553,
        "existing_z": 255.0241,
        "design_z": 255.4923,
        "delta_z": 0.4682
      },
      {
        "ch": 130.4277,
        "easting": 450837.9039,
        "northing": 6512431.9415,
        "existing_z": 255.0572,
        "design_z": 255.5274,
        "delta_z": 0.4702
      },
      {
        "ch": 140.0,
        "easting": 450846.1938,
        "northing": 6512427.1553,
        "existing_z": 255.7843,
        "design_z": 256.347,
        "delta_z": 0.5627
      },
      {
        "ch": 150.0,
        "easting": 450854.854,
        "northing": 6512422.1552,
        "existing_z": 256.6469,
        "design_z": 257.2765,
        "delta_z": 0.6297
      },
      {
        "ch": 150.4277,
        "easting": 450855.2243,
        "northing": 6512421.9413,
        "existing_z": 256.6872,
        "design_z": 257.318,
        "delta_z": 0.6308
      },
      {
        "ch": 160.0,
        "easting": 450863.5142,
        "northing": 6512417.1551,
        "existing_z": 257.5775,
        "design_z": 258.2811,
        "delta_z": 0.7036
      },
      {
        "ch": 170.0,
        "easting": 450872.1744,
        "northing": 6512412.155,
        "existing_z": 258.5364,
        "design_z": 259.3605,
        "delta_z": 0.8241
      },
      {
        "ch": 170.4277,
        "easting": 450872.5447,
        "northing": 6512411.9411,
        "existing_z": 258.5837,
        "design_z": 259.4084,
        "delta_z": 0.8247
      },
      {
        "ch": 180.0,
        "easting": 450880.8346,
        "northing": 6512407.1549,
        "existing_z": 259.6232,
        "design_z": 260.4806,
        "delta_z": 0.8574
      },
      {
        "ch": 190.0,
        "easting": 450889.4947,
        "northing": 6512402.1548,
        "existing_z": 260.677,
        "design_z": 261.6008,
        "delta_z": 0.9238
      },
      {
        "ch": 200.0,
        "easting": 450898.1549,
        "northing": 6512397.1547,
        "existing_z": 261.987,
        "design_z": 262.721,
        "delta_z": 0.734
      },
      {
        "ch": 205.6415,
        "easting": 450903.0406,
        "northing": 6512394.3339,
        "existing_z": 262.7249,
        "design_z": 263.3529,
        "delta_z": 0.6281
      },
      {
        "ch": 210.0,
        "easting": 450906.8151,
        "northing": 6512392.1546,
        "existing_z": 263.2895,
        "design_z": 263.8397,
        "delta_z": 0.5502
      },
      {
        "ch": 220.0,
        "easting": 450915.4753,
        "northing": 6512387.1545,
        "existing_z": 264.8687,
        "design_z": 264.945,
        "delta_z": 0.0763
      },
      {
        "ch": 225.6415,
        "easting": 450920.361,
        "northing": 6512384.3337,
        "existing_z": 265.8608,
        "design_z": 265.5615,
        "delta_z": -0.2993
      },
      {
        "ch": 230.0,
        "easting": 450924.1355,
        "northing": 6512382.1544,
        "existing_z": 266.6286,
        "design_z": 266.0344,
        "delta_z": -0.5942
      },
      {
        "ch": 240.0,
        "easting": 450932.7957,
        "northing": 6512377.1543,
        "existing_z": 268.3398,
        "design_z": 267.1079,
        "delta_z": -1.2319
      },
      {
        "ch": 245.6415,
        "easting": 450937.6814,
        "northing": 6512374.3335,
        "existing_z": 269.2415,
        "design_z": 267.7065,
        "delta_z": -1.535
      },
      {
        "ch": 250.0,
        "easting": 450941.4559,
        "northing": 6512372.1542,
        "existing_z": 269.9381,
        "design_z": 268.167,
        "delta_z": -1.7711
      },
      {
        "ch": 260.0,
        "easting": 450950.1161,
        "northing": 6512367.1541,
        "existing_z": 271.4531,
        "design_z": 269.2236,
        "delta_z": -2.2295
      },
      {
        "ch": 270.0,
        "easting": 450958.7763,
        "northing": 6512362.154,
        "existing_z": 272.2012,
        "design_z": 270.2802,
        "delta_z": -1.921
      },
      {
        "ch": 280.0,
        "easting": 450967.4365,
        "northing": 6512357.1539,
        "existing_z": 272.9402,
        "design_z": 271.3369,
        "delta_z": -1.6034
      },
      {
        "ch": 290.0,
        "easting": 450976.0967,
        "northing": 6512352.1538,
        "existing_z": 273.3267,
        "design_z": 272.3935,
        "delta_z": -0.9332
      },
      {
        "ch": 300.0,
        "easting": 450984.7569,
        "northing": 6512347.1537,
        "existing_z": 273.5258,
        "design_z": 273.4501,
        "delta_z": -0.0757
      },
      {
        "ch": 300.8554,
        "easting": 450985.4977,
        "northing": 6512346.726,
        "existing_z": 273.5405,
        "design_z": 273.5405,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD443",
    "kind": "collector",
    "width_m": 7,
    "reserve_m": 28,
    "length_m": 49.156,
    "target_radius_m": 90,
    "target_speed_kmh": 40,
    "max_design_grade_pct": 3.69,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451029.34231453115,
          6512436.885895156
        ],
        "end": [
          450993.56409658946,
          6512448.811967803
        ],
        "chainage_start": 0,
        "length": 37.71355310577163
      },
      {
        "type": "ARC",
        "centre": [
          450994.9819066207,
          6512453.065397897
        ],
        "radius": 4.48350898826223,
        "start_angle_rad": -1.8925468812038553,
        "sweep_rad": -1.3948953755943774,
        "start": [
          450993.56409658946,
          6512448.811967803
        ],
        "end": [
          450990.546,
          6512453.717
        ],
        "chainage_start": 37.71355310577163,
        "length": 6.25402595416281,
        "target_radius": 90,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450990.54600000003,
          6512453.716999999
        ],
        "end": [
          450991.3,
          6512458.85
        ],
        "chainage_start": 43.96757905993444,
        "length": 5.188082979659854
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451029.3423,
        "northing": 6512436.8859,
        "existing_z": 268.2019,
        "design_z": 268.2019,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451019.8555,
        "northing": 6512440.0482,
        "existing_z": 267.9651,
        "design_z": 267.8326,
        "delta_z": -0.1325
      },
      {
        "ch": 20.0,
        "easting": 451010.3686,
        "northing": 6512443.2105,
        "existing_z": 267.7086,
        "design_z": 267.4634,
        "delta_z": -0.2452
      },
      {
        "ch": 30.0,
        "easting": 451000.8818,
        "northing": 6512446.3727,
        "existing_z": 267.3812,
        "design_z": 267.0942,
        "delta_z": -0.287
      },
      {
        "ch": 40.0,
        "easting": 450991.6682,
        "northing": 6512450.0453,
        "existing_z": 266.9964,
        "design_z": 266.725,
        "delta_z": -0.2715
      },
      {
        "ch": 49.1557,
        "easting": 450991.3,
        "northing": 6512458.85,
        "existing_z": 266.3869,
        "design_z": 266.3869,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD444",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 100.0,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 2.16,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451380.0,
          6512400.12
        ],
        "end": [
          451380.0,
          6512500.12
        ],
        "chainage_start": 0,
        "length": 100.0
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 50.0,
        "pvi_z": 251.13236802702698,
        "bvc": 30.0,
        "evc": 70.0,
        "length": 40.0,
        "g1": 0.017686423040539693,
        "g2": 0.021627236627429058,
        "z_bvc": 250.77863956621619,
        "K_m_per_percent": 101.50188309610843
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451380.0,
        "northing": 6512400.12,
        "existing_z": 250.248,
        "design_z": 250.248,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451380.0,
        "northing": 6512410.12,
        "existing_z": 250.4802,
        "design_z": 250.4249,
        "delta_z": -0.0553
      },
      {
        "ch": 20.0,
        "easting": 451380.0,
        "northing": 6512420.12,
        "existing_z": 250.6343,
        "design_z": 250.6018,
        "delta_z": -0.0326
      },
      {
        "ch": 30.0,
        "easting": 451380.0,
        "northing": 6512430.12,
        "existing_z": 250.7884,
        "design_z": 250.7786,
        "delta_z": -0.0098
      },
      {
        "ch": 40.0,
        "easting": 451380.0,
        "northing": 6512440.12,
        "existing_z": 250.9352,
        "design_z": 250.9604,
        "delta_z": 0.0252
      },
      {
        "ch": 50.0,
        "easting": 451380.0,
        "northing": 6512450.12,
        "existing_z": 251.0825,
        "design_z": 251.1521,
        "delta_z": 0.0696
      },
      {
        "ch": 60.0,
        "easting": 451380.0,
        "northing": 6512460.12,
        "existing_z": 251.2666,
        "design_z": 251.3536,
        "delta_z": 0.087
      },
      {
        "ch": 70.0,
        "easting": 451380.0,
        "northing": 6512470.12,
        "existing_z": 251.4513,
        "design_z": 251.5649,
        "delta_z": 0.1136
      },
      {
        "ch": 80.0,
        "easting": 451380.0,
        "northing": 6512480.12,
        "existing_z": 251.687,
        "design_z": 251.7812,
        "delta_z": 0.0942
      },
      {
        "ch": 90.0,
        "easting": 451380.0,
        "northing": 6512490.12,
        "existing_z": 251.9232,
        "design_z": 251.9975,
        "delta_z": 0.0742
      },
      {
        "ch": 100.0,
        "easting": 451380.0,
        "northing": 6512500.12,
        "existing_z": 252.2137,
        "design_z": 252.2137,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD445",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 760.0,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 10.41,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451380.0,
          6512500.12
        ],
        "end": [
          452140.0,
          6512500.12
        ],
        "chainage_start": 0,
        "length": 760.0
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 76.0,
        "pvi_z": 245.94714074075796,
        "bvc": 56.0,
        "evc": 96.0,
        "length": 40.0,
        "g1": -0.08245511996895366,
        "g2": -0.03818424606126389,
        "z_bvc": 247.59624314013703,
        "K_m_per_percent": 9.035285836779488
      },
      {
        "pvi_ch": 152.0,
        "pvi_z": 243.0451380401019,
        "bvc": 132.0,
        "evc": 172.0,
        "length": 40.0,
        "g1": -0.03818424606126389,
        "g2": 0.01089026027647839,
        "z_bvc": 243.8088229613272,
        "K_m_per_percent": 8.150871600156425
      },
      {
        "pvi_ch": 228.0,
        "pvi_z": 243.87279782111426,
        "bvc": 208.0,
        "evc": 248.0,
        "length": 40.0,
        "g1": 0.01089026027647839,
        "g2": 0.052272559424031625,
        "z_bvc": 243.6549926155847,
        "K_m_per_percent": 9.665968499569225
      },
      {
        "pvi_ch": 304.0,
        "pvi_z": 247.84551233734066,
        "bvc": 284.0,
        "evc": 324.0,
        "length": 40.0,
        "g1": 0.052272559424031625,
        "g2": 0.09358589308152132,
        "z_bvc": 246.80006114886004,
        "K_m_per_percent": 9.682104168020437
      },
      {
        "pvi_ch": 380.0,
        "pvi_z": 254.9580402115363,
        "bvc": 360.0,
        "evc": 400.0,
        "length": 40.0,
        "g1": 0.09358589308152132,
        "g2": 0.10412889654338342,
        "z_bvc": 253.08632234990586,
        "K_m_per_percent": 37.939852855682574
      },
      {
        "pvi_ch": 456.0,
        "pvi_z": 262.8718363488334,
        "bvc": 436.0,
        "evc": 476.0,
        "length": 40.0,
        "g1": 0.10412889654338342,
        "g2": 0.05275436403543366,
        "z_bvc": 260.78925841796575,
        "K_m_per_percent": 7.785958926985924
      },
      {
        "pvi_ch": 532.0,
        "pvi_z": 266.8811680155264,
        "bvc": 509.7424035480614,
        "evc": 554.2575964519385,
        "length": 44.51519290387715,
        "g1": 0.05275436403543366,
        "g2": -0.021437624137694917,
        "z_bvc": 265.70698266974705,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 608.0,
        "pvi_z": 265.25190858106157,
        "bvc": 588.0,
        "evc": 628.0,
        "length": 40.0,
        "g1": -0.021437624137694917,
        "g2": -0.07937746105977271,
        "z_bvc": 265.6806610638155,
        "K_m_per_percent": 6.903712907199799
      },
      {
        "pvi_ch": 684.0,
        "pvi_z": 259.21922154051884,
        "bvc": 664.0,
        "evc": 704.0,
        "length": 40.0,
        "g1": -0.07937746105977271,
        "g2": -0.07529567977090997,
        "z_bvc": 260.8067707617143,
        "K_m_per_percent": 97.99643138435937
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451380.0,
        "northing": 6512500.12,
        "existing_z": 252.2137,
        "design_z": 252.2137,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451390.0,
        "northing": 6512500.12,
        "existing_z": 251.1285,
        "design_z": 251.3892,
        "delta_z": 0.2607
      },
      {
        "ch": 20.0,
        "easting": 451400.0,
        "northing": 6512500.12,
        "existing_z": 250.1405,
        "design_z": 250.5646,
        "delta_z": 0.4242
      },
      {
        "ch": 30.0,
        "easting": 451410.0,
        "northing": 6512500.12,
        "existing_z": 249.1524,
        "design_z": 249.7401,
        "delta_z": 0.5877
      },
      {
        "ch": 40.0,
        "easting": 451420.0,
        "northing": 6512500.12,
        "existing_z": 248.235,
        "design_z": 248.9155,
        "delta_z": 0.6805
      },
      {
        "ch": 50.0,
        "easting": 451430.0,
        "northing": 6512500.12,
        "existing_z": 247.3176,
        "design_z": 248.091,
        "delta_z": 0.7734
      },
      {
        "ch": 56.0,
        "easting": 451436.0,
        "northing": 6512500.12,
        "existing_z": 246.8209,
        "design_z": 247.5962,
        "delta_z": 0.7753
      },
      {
        "ch": 60.0,
        "easting": 451440.0,
        "northing": 6512500.12,
        "existing_z": 246.4898,
        "design_z": 247.2753,
        "delta_z": 0.7855
      },
      {
        "ch": 70.0,
        "easting": 451450.0,
        "northing": 6512500.12,
        "existing_z": 245.662,
        "design_z": 246.5503,
        "delta_z": 0.8883
      },
      {
        "ch": 76.0,
        "easting": 451456.0,
        "northing": 6512500.12,
        "existing_z": 245.265,
        "design_z": 246.1685,
        "delta_z": 0.9035
      },
      {
        "ch": 80.0,
        "easting": 451460.0,
        "northing": 6512500.12,
        "existing_z": 245.0004,
        "design_z": 245.9361,
        "delta_z": 0.9357
      },
      {
        "ch": 90.0,
        "easting": 451470.0,
        "northing": 6512500.12,
        "existing_z": 244.3387,
        "design_z": 245.4325,
        "delta_z": 1.0938
      },
      {
        "ch": 96.0,
        "easting": 451476.0,
        "northing": 6512500.12,
        "existing_z": 244.0498,
        "design_z": 245.1835,
        "delta_z": 1.1337
      },
      {
        "ch": 100.0,
        "easting": 451480.0,
        "northing": 6512500.12,
        "existing_z": 243.8572,
        "design_z": 245.0307,
        "delta_z": 1.1736
      },
      {
        "ch": 110.0,
        "easting": 451490.0,
        "northing": 6512500.12,
        "existing_z": 243.3756,
        "design_z": 244.6489,
        "delta_z": 1.2733
      },
      {
        "ch": 120.0,
        "easting": 451500.0,
        "northing": 6512500.12,
        "existing_z": 243.0507,
        "design_z": 244.267,
        "delta_z": 1.2163
      },
      {
        "ch": 130.0,
        "easting": 451510.0,
        "northing": 6512500.12,
        "existing_z": 242.7258,
        "design_z": 243.8852,
        "delta_z": 1.1594
      },
      {
        "ch": 132.0,
        "easting": 451512.0,
        "northing": 6512500.12,
        "existing_z": 242.6901,
        "design_z": 243.8088,
        "delta_z": 1.1187
      },
      {
        "ch": 140.0,
        "easting": 451520.0,
        "northing": 6512500.12,
        "existing_z": 242.5473,
        "design_z": 243.5426,
        "delta_z": 0.9953
      },
      {
        "ch": 150.0,
        "easting": 451530.0,
        "northing": 6512500.12,
        "existing_z": 242.3689,
        "design_z": 243.3203,
        "delta_z": 0.9513
      },
      {
        "ch": 152.0,
        "easting": 451532.0,
        "northing": 6512500.12,
        "existing_z": 242.3589,
        "design_z": 243.2905,
        "delta_z": 0.9316
      },
      {
        "ch": 160.0,
        "easting": 451540.0,
        "northing": 6512500.12,
        "existing_z": 242.3186,
        "design_z": 243.2206,
        "delta_z": 0.9019
      },
      {
        "ch": 170.0,
        "easting": 451550.0,
        "northing": 6512500.12,
        "existing_z": 242.2684,
        "design_z": 243.2436,
        "delta_z": 0.9752
      },
      {
        "ch": 172.0,
        "easting": 451552.0,
        "northing": 6512500.12,
        "existing_z": 242.2842,
        "design_z": 243.2629,
        "delta_z": 0.9788
      },
      {
        "ch": 180.0,
        "easting": 451560.0,
        "northing": 6512500.12,
        "existing_z": 242.3474,
        "design_z": 243.3501,
        "delta_z": 1.0026
      },
      {
        "ch": 190.0,
        "easting": 451570.0,
        "northing": 6512500.12,
        "existing_z": 242.4265,
        "design_z": 243.459,
        "delta_z": 1.0325
      },
      {
        "ch": 200.0,
        "easting": 451580.0,
        "northing": 6512500.12,
        "existing_z": 242.6301,
        "design_z": 243.5679,
        "delta_z": 0.9378
      },
      {
        "ch": 208.0,
        "easting": 451588.0,
        "northing": 6512500.12,
        "existing_z": 242.7929,
        "design_z": 243.655,
        "delta_z": 0.8621
      },
      {
        "ch": 210.0,
        "easting": 451590.0,
        "northing": 6512500.12,
        "existing_z": 242.8336,
        "design_z": 243.6788,
        "delta_z": 0.8453
      },
      {
        "ch": 220.0,
        "easting": 451600.0,
        "northing": 6512500.12,
        "existing_z": 243.132,
        "design_z": 243.8602,
        "delta_z": 0.7282
      },
      {
        "ch": 228.0,
        "easting": 451608.0,
        "northing": 6512500.12,
        "existing_z": 243.3707,
        "design_z": 244.0797,
        "delta_z": 0.709
      },
      {
        "ch": 230.0,
        "easting": 451610.0,
        "northing": 6512500.12,
        "existing_z": 243.4304,
        "design_z": 244.1449,
        "delta_z": 0.7145
      },
      {
        "ch": 240.0,
        "easting": 451620.0,
        "northing": 6512500.12,
        "existing_z": 243.8239,
        "design_z": 244.5332,
        "delta_z": 0.7093
      },
      {
        "ch": 248.0,
        "easting": 451628.0,
        "northing": 6512500.12,
        "existing_z": 244.1386,
        "design_z": 244.9182,
        "delta_z": 0.7796
      },
      {
        "ch": 250.0,
        "easting": 451630.0,
        "northing": 6512500.12,
        "existing_z": 244.2173,
        "design_z": 245.0228,
        "delta_z": 0.8055
      },
      {
        "ch": 260.0,
        "easting": 451640.0,
        "northing": 6512500.12,
        "existing_z": 244.7129,
        "design_z": 245.5455,
        "delta_z": 0.8326
      },
      {
        "ch": 270.0,
        "easting": 451650.0,
        "northing": 6512500.12,
        "existing_z": 245.2085,
        "design_z": 246.0682,
        "delta_z": 0.8598
      },
      {
        "ch": 280.0,
        "easting": 451660.0,
        "northing": 6512500.12,
        "existing_z": 245.7698,
        "design_z": 246.591,
        "delta_z": 0.8211
      },
      {
        "ch": 284.0,
        "easting": 451664.0,
        "northing": 6512500.12,
        "existing_z": 245.9944,
        "design_z": 246.8001,
        "delta_z": 0.8057
      },
      {
        "ch": 290.0,
        "easting": 451670.0,
        "northing": 6512500.12,
        "existing_z": 246.3312,
        "design_z": 247.1323,
        "delta_z": 0.8011
      },
      {
        "ch": 300.0,
        "easting": 451680.0,
        "northing": 6512500.12,
        "existing_z": 246.9595,
        "design_z": 247.7686,
        "delta_z": 0.8092
      },
      {
        "ch": 304.0,
        "easting": 451684.0,
        "northing": 6512500.12,
        "existing_z": 247.2108,
        "design_z": 248.0521,
        "delta_z": 0.8413
      },
      {
        "ch": 310.0,
        "easting": 451690.0,
        "northing": 6512500.12,
        "existing_z": 247.5877,
        "design_z": 248.5082,
        "delta_z": 0.9205
      },
      {
        "ch": 320.0,
        "easting": 451700.0,
        "northing": 6512500.12,
        "existing_z": 248.366,
        "design_z": 249.3511,
        "delta_z": 0.9851
      },
      {
        "ch": 324.0,
        "easting": 451704.0,
        "northing": 6512500.12,
        "existing_z": 248.6774,
        "design_z": 249.7172,
        "delta_z": 1.0399
      },
      {
        "ch": 330.0,
        "easting": 451710.0,
        "northing": 6512500.12,
        "existing_z": 249.1443,
        "design_z": 250.2787,
        "delta_z": 1.1344
      },
      {
        "ch": 340.0,
        "easting": 451720.0,
        "northing": 6512500.12,
        "existing_z": 250.1397,
        "design_z": 251.2146,
        "delta_z": 1.0749
      },
      {
        "ch": 350.0,
        "easting": 451730.0,
        "northing": 6512500.12,
        "existing_z": 251.1351,
        "design_z": 252.1505,
        "delta_z": 1.0153
      },
      {
        "ch": 360.0,
        "easting": 451740.0,
        "northing": 6512500.12,
        "existing_z": 252.29,
        "design_z": 253.0863,
        "delta_z": 0.7963
      },
      {
        "ch": 370.0,
        "easting": 451750.0,
        "northing": 6512500.12,
        "existing_z": 253.4449,
        "design_z": 254.0354,
        "delta_z": 0.5905
      },
      {
        "ch": 380.0,
        "easting": 451760.0,
        "northing": 6512500.12,
        "existing_z": 254.7052,
        "design_z": 255.0108,
        "delta_z": 0.3055
      },
      {
        "ch": 390.0,
        "easting": 451770.0,
        "northing": 6512500.12,
        "existing_z": 255.9656,
        "design_z": 256.0125,
        "delta_z": 0.0469
      },
      {
        "ch": 400.0,
        "easting": 451780.0,
        "northing": 6512500.12,
        "existing_z": 257.2637,
        "design_z": 257.0406,
        "delta_z": -0.2231
      },
      {
        "ch": 410.0,
        "easting": 451790.0,
        "northing": 6512500.12,
        "existing_z": 258.5617,
        "design_z": 258.0819,
        "delta_z": -0.4798
      },
      {
        "ch": 420.0,
        "easting": 451800.0,
        "northing": 6512500.12,
        "existing_z": 259.8062,
        "design_z": 259.1232,
        "delta_z": -0.683
      },
      {
        "ch": 430.0,
        "easting": 451810.0,
        "northing": 6512500.12,
        "existing_z": 261.0508,
        "design_z": 260.1645,
        "delta_z": -0.8863
      },
      {
        "ch": 436.0,
        "easting": 451816.0,
        "northing": 6512500.12,
        "existing_z": 261.6944,
        "design_z": 260.7893,
        "delta_z": -0.9051
      },
      {
        "ch": 440.0,
        "easting": 451820.0,
        "northing": 6512500.12,
        "existing_z": 262.1234,
        "design_z": 261.1955,
        "delta_z": -0.9279
      },
      {
        "ch": 450.0,
        "easting": 451830.0,
        "northing": 6512500.12,
        "existing_z": 263.196,
        "design_z": 262.1212,
        "delta_z": -1.0748
      },
      {
        "ch": 456.0,
        "easting": 451836.0,
        "northing": 6512500.12,
        "existing_z": 263.6979,
        "design_z": 262.615,
        "delta_z": -1.083
      },
      {
        "ch": 460.0,
        "easting": 451840.0,
        "northing": 6512500.12,
        "existing_z": 264.0326,
        "design_z": 262.9185,
        "delta_z": -1.1141
      },
      {
        "ch": 470.0,
        "easting": 451850.0,
        "northing": 6512500.12,
        "existing_z": 264.8691,
        "design_z": 263.5873,
        "delta_z": -1.2818
      },
      {
        "ch": 476.0,
        "easting": 451856.0,
        "northing": 6512500.12,
        "existing_z": 265.2507,
        "design_z": 263.9269,
        "delta_z": -1.3238
      },
      {
        "ch": 480.0,
        "easting": 451860.0,
        "northing": 6512500.12,
        "existing_z": 265.5051,
        "design_z": 264.1379,
        "delta_z": -1.3672
      },
      {
        "ch": 490.0,
        "easting": 451870.0,
        "northing": 6512500.12,
        "existing_z": 266.1412,
        "design_z": 264.6655,
        "delta_z": -1.4757
      },
      {
        "ch": 500.0,
        "easting": 451880.0,
        "northing": 6512500.12,
        "existing_z": 266.6187,
        "design_z": 265.193,
        "delta_z": -1.4257
      },
      {
        "ch": 509.7424,
        "easting": 451889.7424,
        "northing": 6512500.12,
        "existing_z": 267.0839,
        "design_z": 265.707,
        "delta_z": -1.3769
      },
      {
        "ch": 510.0,
        "easting": 451890.0,
        "northing": 6512500.12,
        "existing_z": 267.0963,
        "design_z": 265.7205,
        "delta_z": -1.3757
      },
      {
        "ch": 520.0,
        "easting": 451900.0,
        "northing": 6512500.12,
        "existing_z": 267.4773,
        "design_z": 266.1604,
        "delta_z": -1.3169
      },
      {
        "ch": 530.0,
        "easting": 451910.0,
        "northing": 6512500.12,
        "existing_z": 267.8583,
        "design_z": 266.4337,
        "delta_z": -1.4247
      },
      {
        "ch": 532.0,
        "easting": 451912.0,
        "northing": 6512500.12,
        "existing_z": 267.9163,
        "design_z": 266.4683,
        "delta_z": -1.4479
      },
      {
        "ch": 540.0,
        "easting": 451920.0,
        "northing": 6512500.12,
        "existing_z": 268.1479,
        "design_z": 266.5403,
        "delta_z": -1.6077
      },
      {
        "ch": 550.0,
        "easting": 451930.0,
        "northing": 6512500.12,
        "existing_z": 268.4375,
        "design_z": 266.4802,
        "delta_z": -1.9573
      },
      {
        "ch": 554.2576,
        "easting": 451934.2576,
        "northing": 6512500.12,
        "existing_z": 268.462,
        "design_z": 266.404,
        "delta_z": -2.058
      },
      {
        "ch": 560.0,
        "easting": 451940.0,
        "northing": 6512500.12,
        "existing_z": 268.495,
        "design_z": 266.2809,
        "delta_z": -2.2141
      },
      {
        "ch": 570.0,
        "easting": 451950.0,
        "northing": 6512500.12,
        "existing_z": 268.5526,
        "design_z": 266.0665,
        "delta_z": -2.486
      },
      {
        "ch": 580.0,
        "easting": 451960.0,
        "northing": 6512500.12,
        "existing_z": 268.1779,
        "design_z": 265.8522,
        "delta_z": -2.3258
      },
      {
        "ch": 588.0,
        "easting": 451968.0,
        "northing": 6512500.12,
        "existing_z": 267.8782,
        "design_z": 265.6807,
        "delta_z": -2.1976
      },
      {
        "ch": 590.0,
        "easting": 451970.0,
        "northing": 6512500.12,
        "existing_z": 267.8033,
        "design_z": 265.6349,
        "delta_z": -2.1684
      },
      {
        "ch": 600.0,
        "easting": 451980.0,
        "northing": 6512500.12,
        "existing_z": 266.927,
        "design_z": 265.3191,
        "delta_z": -1.6079
      },
      {
        "ch": 608.0,
        "easting": 451988.0,
        "northing": 6512500.12,
        "existing_z": 266.226,
        "design_z": 264.9622,
        "delta_z": -1.2638
      },
      {
        "ch": 610.0,
        "easting": 451990.0,
        "northing": 6512500.12,
        "existing_z": 266.0507,
        "design_z": 264.8585,
        "delta_z": -1.1922
      },
      {
        "ch": 620.0,
        "easting": 452000.0,
        "northing": 6512500.12,
        "existing_z": 264.9575,
        "design_z": 264.253,
        "delta_z": -0.7044
      },
      {
        "ch": 628.0,
        "easting": 452008.0,
        "northing": 6512500.12,
        "existing_z": 264.0828,
        "design_z": 263.6644,
        "delta_z": -0.4185
      },
      {
        "ch": 630.0,
        "easting": 452010.0,
        "northing": 6512500.12,
        "existing_z": 263.8642,
        "design_z": 263.5056,
        "delta_z": -0.3586
      },
      {
        "ch": 640.0,
        "easting": 452020.0,
        "northing": 6512500.12,
        "existing_z": 262.8499,
        "design_z": 262.7118,
        "delta_z": -0.1381
      },
      {
        "ch": 650.0,
        "easting": 452030.0,
        "northing": 6512500.12,
        "existing_z": 261.8356,
        "design_z": 261.9181,
        "delta_z": 0.0825
      },
      {
        "ch": 660.0,
        "easting": 452040.0,
        "northing": 6512500.12,
        "existing_z": 260.9352,
        "design_z": 261.1243,
        "delta_z": 0.189
      },
      {
        "ch": 664.0,
        "easting": 452044.0,
        "northing": 6512500.12,
        "existing_z": 260.5751,
        "design_z": 260.8068,
        "delta_z": 0.2317
      },
      {
        "ch": 670.0,
        "easting": 452050.0,
        "northing": 6512500.12,
        "existing_z": 260.0349,
        "design_z": 260.3323,
        "delta_z": 0.2975
      },
      {
        "ch": 680.0,
        "easting": 452060.0,
        "northing": 6512500.12,
        "existing_z": 259.2153,
        "design_z": 259.5498,
        "delta_z": 0.3345
      },
      {
        "ch": 684.0,
        "easting": 452064.0,
        "northing": 6512500.12,
        "existing_z": 258.8875,
        "design_z": 259.2396,
        "delta_z": 0.3521
      },
      {
        "ch": 690.0,
        "easting": 452070.0,
        "northing": 6512500.12,
        "existing_z": 258.3958,
        "design_z": 258.7774,
        "delta_z": 0.3817
      },
      {
        "ch": 700.0,
        "easting": 452080.0,
        "northing": 6512500.12,
        "existing_z": 257.6467,
        "design_z": 258.0153,
        "delta_z": 0.3686
      },
      {
        "ch": 704.0,
        "easting": 452084.0,
        "northing": 6512500.12,
        "existing_z": 257.3471,
        "design_z": 257.7133,
        "delta_z": 0.3662
      },
      {
        "ch": 710.0,
        "easting": 452090.0,
        "northing": 6512500.12,
        "existing_z": 256.8977,
        "design_z": 257.2615,
        "delta_z": 0.3638
      },
      {
        "ch": 720.0,
        "easting": 452100.0,
        "northing": 6512500.12,
        "existing_z": 256.2014,
        "design_z": 256.5086,
        "delta_z": 0.3072
      },
      {
        "ch": 730.0,
        "easting": 452110.0,
        "northing": 6512500.12,
        "existing_z": 255.5051,
        "design_z": 255.7556,
        "delta_z": 0.2505
      },
      {
        "ch": 740.0,
        "easting": 452120.0,
        "northing": 6512500.12,
        "existing_z": 254.8468,
        "design_z": 255.0027,
        "delta_z": 0.1559
      },
      {
        "ch": 750.0,
        "easting": 452130.0,
        "northing": 6512500.12,
        "existing_z": 254.1885,
        "design_z": 254.2497,
        "delta_z": 0.0612
      },
      {
        "ch": 760.0,
        "easting": 452140.0,
        "northing": 6512500.12,
        "existing_z": 253.4967,
        "design_z": 253.4967,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD446",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 256.597,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 12.15,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450807.12352290604,
          6512565.186102377
        ],
        "end": [
          451029.34231453115,
          6512436.885895156
        ],
        "chainage_start": 0,
        "length": 256.5972223627216
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 64.1493055906804,
        "pvi_z": 250.4734384554689,
        "bvc": 44.1493055906804,
        "evc": 84.1493055906804,
        "length": 40.0,
        "g1": 0.11432614177705155,
        "g2": 0.12145432185833907,
        "z_bvc": 248.18691561992787,
        "K_m_per_percent": 56.115305090293205
      },
      {
        "pvi_ch": 128.2986111813608,
        "pvi_z": 258.26464886366836,
        "bvc": 108.2986111813608,
        "evc": 148.2986111813608,
        "length": 40.0,
        "g1": 0.12145432185833907,
        "g2": 0.09806175360222409,
        "z_bvc": 255.83556242650158,
        "K_m_per_percent": 17.09944780840544
      },
      {
        "pvi_ch": 192.4479167720412,
        "pvi_z": 264.55524226225543,
        "bvc": 172.4479167720412,
        "evc": 212.4479167720412,
        "length": 40.0,
        "g1": 0.09806175360222409,
        "g2": 0.056846001425325234,
        "z_bvc": 262.59400719021096,
        "K_m_per_percent": 9.705027298378342
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450807.1235,
        "northing": 6512565.1861,
        "existing_z": 243.1395,
        "design_z": 243.1395,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450815.7837,
        "northing": 6512560.186,
        "existing_z": 244.1119,
        "design_z": 244.2828,
        "delta_z": 0.1709
      },
      {
        "ch": 20.0,
        "easting": 450824.444,
        "northing": 6512555.186,
        "existing_z": 245.1364,
        "design_z": 245.426,
        "delta_z": 0.2896
      },
      {
        "ch": 30.0,
        "easting": 450833.1042,
        "northing": 6512550.1859,
        "existing_z": 246.2051,
        "design_z": 246.5693,
        "delta_z": 0.3642
      },
      {
        "ch": 40.0,
        "easting": 450841.7644,
        "northing": 6512545.1859,
        "existing_z": 247.3861,
        "design_z": 247.7125,
        "delta_z": 0.3264
      },
      {
        "ch": 44.1493,
        "easting": 450845.3578,
        "northing": 6512543.1112,
        "existing_z": 247.8756,
        "design_z": 248.1869,
        "delta_z": 0.3114
      },
      {
        "ch": 50.0,
        "easting": 450850.4246,
        "northing": 6512540.1858,
        "existing_z": 248.565,
        "design_z": 248.8589,
        "delta_z": 0.2939
      },
      {
        "ch": 60.0,
        "easting": 450859.0848,
        "northing": 6512535.1857,
        "existing_z": 249.7602,
        "design_z": 250.0215,
        "delta_z": 0.2612
      },
      {
        "ch": 64.1493,
        "easting": 450862.6782,
        "northing": 6512533.1111,
        "existing_z": 250.2583,
        "design_z": 250.5091,
        "delta_z": 0.2508
      },
      {
        "ch": 70.0,
        "easting": 450867.745,
        "northing": 6512530.1857,
        "existing_z": 250.9626,
        "design_z": 251.2019,
        "delta_z": 0.2392
      },
      {
        "ch": 80.0,
        "easting": 450876.4053,
        "northing": 6512525.1856,
        "existing_z": 252.1989,
        "design_z": 252.4001,
        "delta_z": 0.2012
      },
      {
        "ch": 84.1493,
        "easting": 450879.9987,
        "northing": 6512523.1109,
        "existing_z": 252.7199,
        "design_z": 252.9025,
        "delta_z": 0.1826
      },
      {
        "ch": 90.0,
        "easting": 450885.0655,
        "northing": 6512520.1855,
        "existing_z": 253.4574,
        "design_z": 253.6131,
        "delta_z": 0.1557
      },
      {
        "ch": 100.0,
        "easting": 450893.7257,
        "northing": 6512515.1855,
        "existing_z": 254.7538,
        "design_z": 254.8277,
        "delta_z": 0.0739
      },
      {
        "ch": 108.2986,
        "easting": 450900.9125,
        "northing": 6512511.0361,
        "existing_z": 255.8775,
        "design_z": 255.8356,
        "delta_z": -0.042
      },
      {
        "ch": 110.0,
        "easting": 450902.3859,
        "northing": 6512510.1854,
        "existing_z": 256.1104,
        "design_z": 256.0414,
        "delta_z": -0.069
      },
      {
        "ch": 120.0,
        "easting": 450911.0461,
        "northing": 6512505.1854,
        "existing_z": 257.4724,
        "design_z": 257.2167,
        "delta_z": -0.2556
      },
      {
        "ch": 128.2986,
        "easting": 450918.2329,
        "northing": 6512501.036,
        "existing_z": 258.556,
        "design_z": 258.1477,
        "delta_z": -0.4083
      },
      {
        "ch": 130.0,
        "easting": 450919.7064,
        "northing": 6512500.1853,
        "existing_z": 258.7811,
        "design_z": 258.3336,
        "delta_z": -0.4475
      },
      {
        "ch": 140.0,
        "easting": 450928.3666,
        "northing": 6512495.1852,
        "existing_z": 260.1247,
        "design_z": 259.392,
        "delta_z": -0.7327
      },
      {
        "ch": 148.2986,
        "easting": 450935.5534,
        "northing": 6512491.0359,
        "existing_z": 261.0909,
        "design_z": 260.2259,
        "delta_z": -0.865
      },
      {
        "ch": 150.0,
        "easting": 450937.0268,
        "northing": 6512490.1852,
        "existing_z": 261.2811,
        "design_z": 260.3927,
        "delta_z": -0.8884
      },
      {
        "ch": 160.0,
        "easting": 450945.687,
        "northing": 6512485.1851,
        "existing_z": 262.4093,
        "design_z": 261.3733,
        "delta_z": -1.036
      },
      {
        "ch": 170.0,
        "easting": 450954.3472,
        "northing": 6512480.185,
        "existing_z": 263.3997,
        "design_z": 262.354,
        "delta_z": -1.0458
      },
      {
        "ch": 172.4479,
        "easting": 450956.4672,
        "northing": 6512478.9611,
        "existing_z": 263.6029,
        "design_z": 262.594,
        "delta_z": -1.0089
      },
      {
        "ch": 180.0,
        "easting": 450963.0074,
        "northing": 6512475.185,
        "existing_z": 264.2338,
        "design_z": 263.3052,
        "delta_z": -0.9286
      },
      {
        "ch": 190.0,
        "easting": 450971.6677,
        "northing": 6512470.1849,
        "existing_z": 265.0337,
        "design_z": 264.1565,
        "delta_z": -0.8772
      },
      {
        "ch": 192.4479,
        "easting": 450973.7876,
        "northing": 6512468.9609,
        "existing_z": 265.183,
        "design_z": 264.3492,
        "delta_z": -0.8339
      },
      {
        "ch": 200.0,
        "easting": 450980.3279,
        "northing": 6512465.1849,
        "existing_z": 265.6412,
        "design_z": 264.9047,
        "delta_z": -0.7365
      },
      {
        "ch": 210.0,
        "easting": 450988.9881,
        "northing": 6512460.1848,
        "existing_z": 266.2432,
        "design_z": 265.5499,
        "delta_z": -0.6933
      },
      {
        "ch": 212.4479,
        "easting": 450991.1081,
        "northing": 6512458.9608,
        "existing_z": 266.3761,
        "design_z": 265.6922,
        "delta_z": -0.6839
      },
      {
        "ch": 220.0,
        "easting": 450997.6483,
        "northing": 6512455.1847,
        "existing_z": 266.7403,
        "design_z": 266.1215,
        "delta_z": -0.6189
      },
      {
        "ch": 230.0,
        "easting": 451006.3085,
        "northing": 6512450.1847,
        "existing_z": 267.2047,
        "design_z": 266.6899,
        "delta_z": -0.5148
      },
      {
        "ch": 240.0,
        "easting": 451014.9688,
        "northing": 6512445.1846,
        "existing_z": 267.6167,
        "design_z": 267.2584,
        "delta_z": -0.3583
      },
      {
        "ch": 250.0,
        "easting": 451023.629,
        "northing": 6512440.1845,
        "existing_z": 267.9787,
        "design_z": 267.8268,
        "delta_z": -0.1518
      },
      {
        "ch": 256.5972,
        "easting": 451029.3423,
        "northing": 6512436.8859,
        "existing_z": 268.2019,
        "design_z": 268.2019,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD447",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 103.555,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.5,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451380.0,
          6512500.12
        ],
        "end": [
          451385.8,
          6512505.8504
        ],
        "chainage_start": 0,
        "length": 8.153372563375282
      },
      {
        "type": "ARC",
        "centre": [
          451375.86687885714,
          6512515.904166339
        ],
        "radius": 14.133121142859428,
        "start_angle_rad": -0.7914343073995324,
        "sweep_rad": 0.7914343073968203,
        "start": [
          451385.8,
          6512505.8504
        ],
        "end": [
          451390.0,
          6512515.904166339
        ],
        "chainage_start": 8.153372563375282,
        "length": 11.18543694305431,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451390.0,
          6512515.904166339
        ],
        "end": [
          451390.0,
          6512600.12
        ],
        "chainage_start": 19.33880950642959,
        "length": 84.21583366114646
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 51.77732158378802,
        "pvi_z": 253.16262822173354,
        "bvc": 31.777321583788023,
        "evc": 71.77732158378802,
        "length": 40.0,
        "g1": 0.01832652470830421,
        "g2": 0.04495239478090057,
        "z_bvc": 252.79609772756746,
        "K_m_per_percent": 15.022983245594832
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451380.0,
        "northing": 6512500.12,
        "existing_z": 252.2137,
        "design_z": 252.2137,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451387.0252,
        "northing": 6512507.2303,
        "existing_z": 251.6565,
        "design_z": 252.397,
        "delta_z": 0.7405
      },
      {
        "ch": 20.0,
        "easting": 451390.0,
        "northing": 6512516.5654,
        "existing_z": 251.6357,
        "design_z": 252.5803,
        "delta_z": 0.9445
      },
      {
        "ch": 30.0,
        "easting": 451390.0,
        "northing": 6512526.5654,
        "existing_z": 251.9753,
        "design_z": 252.7635,
        "delta_z": 0.7883
      },
      {
        "ch": 31.7773,
        "easting": 451390.0,
        "northing": 6512528.3427,
        "existing_z": 252.0356,
        "design_z": 252.7961,
        "delta_z": 0.7605
      },
      {
        "ch": 40.0,
        "easting": 451390.0,
        "northing": 6512536.5654,
        "existing_z": 252.3502,
        "design_z": 252.9693,
        "delta_z": 0.6191
      },
      {
        "ch": 50.0,
        "easting": 451390.0,
        "northing": 6512546.5654,
        "existing_z": 252.7436,
        "design_z": 253.2406,
        "delta_z": 0.497
      },
      {
        "ch": 51.7773,
        "easting": 451390.0,
        "northing": 6512548.3427,
        "existing_z": 252.8135,
        "design_z": 253.2958,
        "delta_z": 0.4822
      },
      {
        "ch": 60.0,
        "easting": 451390.0,
        "northing": 6512556.5654,
        "existing_z": 253.1756,
        "design_z": 253.5784,
        "delta_z": 0.4028
      },
      {
        "ch": 70.0,
        "easting": 451390.0,
        "northing": 6512566.5654,
        "existing_z": 253.6277,
        "design_z": 253.9828,
        "delta_z": 0.3551
      },
      {
        "ch": 71.7773,
        "easting": 451390.0,
        "northing": 6512568.3427,
        "existing_z": 253.7081,
        "design_z": 254.0617,
        "delta_z": 0.3536
      },
      {
        "ch": 80.0,
        "easting": 451390.0,
        "northing": 6512576.5654,
        "existing_z": 254.1442,
        "design_z": 254.4313,
        "delta_z": 0.2871
      },
      {
        "ch": 90.0,
        "easting": 451390.0,
        "northing": 6512586.5654,
        "existing_z": 254.6943,
        "design_z": 254.8808,
        "delta_z": 0.1865
      },
      {
        "ch": 100.0,
        "easting": 451390.0,
        "northing": 6512596.5654,
        "existing_z": 255.277,
        "design_z": 255.3304,
        "delta_z": 0.0534
      },
      {
        "ch": 103.5546,
        "easting": 451390.0,
        "northing": 6512600.12,
        "existing_z": 255.4901,
        "design_z": 255.4901,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD448",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 955.483,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 7.9,
    "radius_review_count": 3,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450807.12352290604,
          6512565.186102377
        ],
        "end": [
          450836.1214796205,
          6512615.416362998
        ],
        "chainage_start": 0,
        "length": 57.99966013392365
      },
      {
        "type": "ARC",
        "centre": [
          450872.49337391503,
          6512594.418848684
        ],
        "radius": 41.99774162886415,
        "start_angle_rad": 2.6180311736871364,
        "sweep_rad": -1.570844239210792,
        "start": [
          450836.1214796205,
          6512615.416362998
        ],
        "end": [
          450893.49263086997,
          6512630.789736896
        ],
        "chainage_start": 57.99966013392365,
        "length": 65.97191049756451,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          450893.4926308702,
          6512630.789736895
        ],
        "end": [
          451227.7148062026,
          6512437.821742848
        ],
        "chainage_start": 123.97157063148816,
        "length": 385.9288913913925
      },
      {
        "type": "ARC",
        "centre": [
          451248.7155428299,
          6512474.1951938635
        ],
        "radius": 42.00070091913771,
        "start_angle_rad": -2.09440571910743,
        "sweep_rad": 1.5708442392046247,
        "start": [
          451227.7148062026,
          6512437.821742848
        ],
        "end": [
          451285.09,
          6512453.1962
        ],
        "chainage_start": 509.9004620228807,
        "length": 65.97655908138385,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451285.08999999997,
          6512453.1962
        ],
        "end": [
          451293.09,
          6512467.0538
        ],
        "chainage_start": 575.8770211042645,
        "length": 16.001033646429168
      },
      {
        "type": "ARC",
        "centre": [
          451256.7124539514,
          6512488.054577075
        ],
        "radius": 42.00426757203102,
        "start_angle_rad": -0.5235614799097352,
        "sweep_rad": 1.5707593239202458,
        "start": [
          451293.09,
          6512467.0538
        ],
        "end": [
          451277.7145770856,
          6512524.4313460095
        ],
        "chainage_start": 591.8780547506937,
        "length": 65.97859493320854,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451277.7145770858,
          6512524.4313460095
        ],
        "end": [
          451019.96256320085,
          6512673.244439976
        ],
        "chainage_start": 657.8566496839022,
        "length": 297.6263388843814
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 79.62358238069031,
        "pvi_z": 245.6340927304804,
        "bvc": 59.62358238069031,
        "evc": 99.62358238069031,
        "length": 40.0,
        "g1": 0.031329874972769366,
        "g2": 0.07428972840179199,
        "z_bvc": 245.00749523102502,
        "K_m_per_percent": 9.311018731962662
      },
      {
        "pvi_ch": 159.24716476138062,
        "pvi_z": 251.5493070399196,
        "bvc": 139.24716476138062,
        "evc": 179.24716476138062,
        "length": 40.0,
        "g1": 0.07428972840179199,
        "g2": 0.07900912546097907,
        "z_bvc": 250.06351247188377,
        "K_m_per_percent": 84.75658966251503
      },
      {
        "pvi_ch": 238.8707471420709,
        "pvi_z": 257.84029664988816,
        "bvc": 218.8707471420709,
        "evc": 258.8707471420709,
        "length": 40.0,
        "g1": 0.07900912546097907,
        "g2": 0.058083881328674404,
        "z_bvc": 256.2601141406686,
        "K_m_per_percent": 19.115667060843258
      },
      {
        "pvi_ch": 318.49432952276123,
        "pvi_z": 262.4651433598521,
        "bvc": 298.49432952276123,
        "evc": 338.49432952276123,
        "length": 40.0,
        "g1": 0.058083881328674404,
        "g2": 0.023468616749937332,
        "z_bvc": 261.30346573327864,
        "K_m_per_percent": 11.555595627187719
      },
      {
        "pvi_ch": 398.11791190345156,
        "pvi_z": 264.3337986990016,
        "bvc": 378.11791190345156,
        "evc": 418.11791190345156,
        "length": 40.0,
        "g1": 0.023468616749937332,
        "g2": -0.025283054460041803,
        "z_bvc": 263.86442636400284,
        "K_m_per_percent": 8.204846932880585
      },
      {
        "pvi_ch": 477.7414942841418,
        "pvi_z": 262.320671329367,
        "bvc": 457.7414942841418,
        "evc": 497.7414942841418,
        "length": 40.0,
        "g1": -0.025283054460041803,
        "g2": -0.03696364242334028,
        "z_bvc": 262.8263324185678,
        "K_m_per_percent": 34.244851479808915
      },
      {
        "pvi_ch": 557.3650766648321,
        "pvi_z": 259.37749370178176,
        "bvc": 537.3650766648321,
        "evc": 577.3650766648321,
        "length": 40.0,
        "g1": -0.03696364242334028,
        "g2": 0.0181271790700085,
        "z_bvc": 260.11676655024854,
        "K_m_per_percent": 7.260737617577417
      },
      {
        "pvi_ch": 636.9886590455225,
        "pvi_z": 260.8208446377921,
        "bvc": 616.9886590455225,
        "evc": 656.9886590455225,
        "length": 40.0,
        "g1": 0.0181271790700085,
        "g2": 0.028656576400569084,
        "z_bvc": 260.4583010563919,
        "K_m_per_percent": 37.98887889234055
      },
      {
        "pvi_ch": 716.6122414262128,
        "pvi_z": 263.10258390957136,
        "bvc": 696.6122414262128,
        "evc": 736.6122414262128,
        "length": 40.0,
        "g1": 0.028656576400569084,
        "g2": -0.014986175621639125,
        "z_bvc": 262.52945238155996,
        "K_m_per_percent": 9.165324858442808
      },
      {
        "pvi_ch": 796.2358238069031,
        "pvi_z": 261.9093309203903,
        "bvc": 776.2358238069031,
        "evc": 816.2358238069031,
        "length": 40.0,
        "g1": -0.014986175621639125,
        "g2": -0.04203895583603189,
        "z_bvc": 262.20905443282305,
        "K_m_per_percent": 14.785910979574286
      },
      {
        "pvi_ch": 875.8594061875934,
        "pvi_z": 258.5620386571818,
        "bvc": 855.8594061875934,
        "evc": 895.8594061875934,
        "length": 40.0,
        "g1": -0.04203895583603189,
        "g2": -0.05548946950804887,
        "z_bvc": 259.4028177739024,
        "K_m_per_percent": 29.738641196445673
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 450807.1235,
        "northing": 6512565.1861,
        "existing_z": 243.1395,
        "design_z": 243.1395,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450812.1232,
        "northing": 6512573.8465,
        "existing_z": 243.3488,
        "design_z": 243.4528,
        "delta_z": 0.104
      },
      {
        "ch": 20.0,
        "easting": 450817.1229,
        "northing": 6512582.507,
        "existing_z": 243.6234,
        "design_z": 243.7661,
        "delta_z": 0.1427
      },
      {
        "ch": 30.0,
        "easting": 450822.1226,
        "northing": 6512591.1674,
        "existing_z": 243.845,
        "design_z": 244.0794,
        "delta_z": 0.2344
      },
      {
        "ch": 40.0,
        "easting": 450827.1222,
        "northing": 6512599.8279,
        "existing_z": 244.0102,
        "design_z": 244.3927,
        "delta_z": 0.3825
      },
      {
        "ch": 50.0,
        "easting": 450832.1219,
        "northing": 6512608.4883,
        "existing_z": 244.1419,
        "design_z": 244.706,
        "delta_z": 0.5641
      },
      {
        "ch": 59.6236,
        "easting": 450836.9604,
        "northing": 6512616.8067,
        "existing_z": 244.2079,
        "design_z": 245.0075,
        "delta_z": 0.7995
      },
      {
        "ch": 60.0,
        "easting": 450837.1625,
        "northing": 6512617.1243,
        "existing_z": 244.2112,
        "design_z": 245.0194,
        "delta_z": 0.8082
      },
      {
        "ch": 70.0,
        "easting": 450843.5147,
        "northing": 6512624.817,
        "existing_z": 244.3914,
        "design_z": 245.3904,
        "delta_z": 0.999
      },
      {
        "ch": 79.6236,
        "easting": 450851.177,
        "northing": 6512630.6048,
        "existing_z": 244.7322,
        "design_z": 245.8489,
        "delta_z": 1.1167
      },
      {
        "ch": 80.0,
        "easting": 450851.5021,
        "northing": 6512630.7944,
        "existing_z": 244.7494,
        "design_z": 245.8688,
        "delta_z": 1.1194
      },
      {
        "ch": 90.0,
        "easting": 450860.6741,
        "northing": 6512634.7192,
        "existing_z": 245.2943,
        "design_z": 246.4547,
        "delta_z": 1.1604
      },
      {
        "ch": 99.6236,
        "easting": 450870.137,
        "northing": 6512636.3504,
        "existing_z": 245.9618,
        "design_z": 247.1199,
        "delta_z": 1.1581
      },
      {
        "ch": 100.0,
        "easting": 450870.5129,
        "northing": 6512636.3699,
        "existing_z": 245.9908,
        "design_z": 247.1479,
        "delta_z": 1.157
      },
      {
        "ch": 110.0,
        "easting": 450880.4636,
        "northing": 6512635.6534,
        "existing_z": 246.8179,
        "design_z": 247.8907,
        "delta_z": 1.0728
      },
      {
        "ch": 120.0,
        "easting": 450889.9645,
        "northing": 6512632.6101,
        "existing_z": 247.7305,
        "design_z": 248.6336,
        "delta_z": 0.9031
      },
      {
        "ch": 130.0,
        "easting": 450898.7134,
        "northing": 6512627.7755,
        "existing_z": 248.6745,
        "design_z": 249.3765,
        "delta_z": 0.7021
      },
      {
        "ch": 139.2472,
        "easting": 450906.7216,
        "northing": 6512623.1518,
        "existing_z": 249.5949,
        "design_z": 250.0635,
        "delta_z": 0.4686
      },
      {
        "ch": 140.0,
        "easting": 450907.3736,
        "northing": 6512622.7754,
        "existing_z": 249.6715,
        "design_z": 250.1195,
        "delta_z": 0.448
      },
      {
        "ch": 150.0,
        "easting": 450916.0338,
        "northing": 6512617.7753,
        "existing_z": 250.6609,
        "design_z": 250.8692,
        "delta_z": 0.2083
      },
      {
        "ch": 159.2472,
        "easting": 450924.042,
        "northing": 6512613.1516,
        "existing_z": 251.5901,
        "design_z": 251.5729,
        "delta_z": -0.0172
      },
      {
        "ch": 160.0,
        "easting": 450924.694,
        "northing": 6512612.7752,
        "existing_z": 251.6672,
        "design_z": 251.6306,
        "delta_z": -0.0365
      },
      {
        "ch": 170.0,
        "easting": 450933.3542,
        "northing": 6512607.7751,
        "existing_z": 252.6727,
        "design_z": 252.4039,
        "delta_z": -0.2688
      },
      {
        "ch": 179.2472,
        "easting": 450941.3624,
        "northing": 6512603.1514,
        "existing_z": 253.5527,
        "design_z": 253.1295,
        "delta_z": -0.4233
      },
      {
        "ch": 180.0,
        "easting": 450942.0144,
        "northing": 6512602.775,
        "existing_z": 253.6246,
        "design_z": 253.189,
        "delta_z": -0.4356
      },
      {
        "ch": 190.0,
        "easting": 450950.6746,
        "northing": 6512597.7749,
        "existing_z": 254.5703,
        "design_z": 253.9791,
        "delta_z": -0.5912
      },
      {
        "ch": 200.0,
        "easting": 450959.3348,
        "northing": 6512592.7748,
        "existing_z": 255.3786,
        "design_z": 254.7692,
        "delta_z": -0.6094
      },
      {
        "ch": 210.0,
        "easting": 450967.995,
        "northing": 6512587.7747,
        "existing_z": 256.1683,
        "design_z": 255.5592,
        "delta_z": -0.609
      },
      {
        "ch": 218.8707,
        "easting": 450975.6772,
        "northing": 6512583.3393,
        "existing_z": 256.8036,
        "design_z": 256.2601,
        "delta_z": -0.5435
      },
      {
        "ch": 220.0,
        "easting": 450976.6552,
        "northing": 6512582.7746,
        "existing_z": 256.8816,
        "design_z": 256.349,
        "delta_z": -0.5326
      },
      {
        "ch": 230.0,
        "easting": 450985.3154,
        "northing": 6512577.7745,
        "existing_z": 257.567,
        "design_z": 257.107,
        "delta_z": -0.46
      },
      {
        "ch": 238.8707,
        "easting": 450992.9976,
        "northing": 6512573.3391,
        "existing_z": 258.1572,
        "design_z": 257.7357,
        "delta_z": -0.4216
      },
      {
        "ch": 240.0,
        "easting": 450993.9756,
        "northing": 6512572.7745,
        "existing_z": 258.2294,
        "design_z": 257.8127,
        "delta_z": -0.4166
      },
      {
        "ch": 250.0,
        "easting": 451002.6358,
        "northing": 6512567.7744,
        "existing_z": 258.8567,
        "design_z": 258.4661,
        "delta_z": -0.3905
      },
      {
        "ch": 258.8707,
        "easting": 451010.318,
        "northing": 6512563.3389,
        "existing_z": 259.4012,
        "design_z": 259.002,
        "delta_z": -0.3992
      },
      {
        "ch": 260.0,
        "easting": 451011.296,
        "northing": 6512562.7743,
        "existing_z": 259.471,
        "design_z": 259.0676,
        "delta_z": -0.4034
      },
      {
        "ch": 270.0,
        "easting": 451019.9562,
        "northing": 6512557.7742,
        "existing_z": 260.0777,
        "design_z": 259.6484,
        "delta_z": -0.4293
      },
      {
        "ch": 280.0,
        "easting": 451028.6164,
        "northing": 6512552.7741,
        "existing_z": 260.6641,
        "design_z": 260.2292,
        "delta_z": -0.4348
      },
      {
        "ch": 290.0,
        "easting": 451037.2766,
        "northing": 6512547.774,
        "existing_z": 261.2657,
        "design_z": 260.8101,
        "delta_z": -0.4557
      },
      {
        "ch": 298.4943,
        "easting": 451044.6328,
        "northing": 6512543.5268,
        "existing_z": 261.7698,
        "design_z": 261.3035,
        "delta_z": -0.4664
      },
      {
        "ch": 300.0,
        "easting": 451045.9368,
        "northing": 6512542.7739,
        "existing_z": 261.8577,
        "design_z": 261.3899,
        "delta_z": -0.4677
      },
      {
        "ch": 310.0,
        "easting": 451054.597,
        "northing": 6512537.7738,
        "existing_z": 262.4334,
        "design_z": 261.9145,
        "delta_z": -0.519
      },
      {
        "ch": 318.4943,
        "easting": 451061.9532,
        "northing": 6512533.5266,
        "existing_z": 262.9093,
        "design_z": 262.2921,
        "delta_z": -0.6172
      },
      {
        "ch": 320.0,
        "easting": 451063.2572,
        "northing": 6512532.7737,
        "existing_z": 262.9921,
        "design_z": 262.3525,
        "delta_z": -0.6396
      },
      {
        "ch": 330.0,
        "easting": 451071.9174,
        "northing": 6512527.7736,
        "existing_z": 263.5128,
        "design_z": 262.7039,
        "delta_z": -0.8089
      },
      {
        "ch": 338.4943,
        "easting": 451079.2737,
        "northing": 6512523.5264,
        "existing_z": 263.8969,
        "design_z": 262.9345,
        "delta_z": -0.9623
      },
      {
        "ch": 340.0,
        "easting": 451080.5776,
        "northing": 6512522.7735,
        "existing_z": 263.9623,
        "design_z": 262.9699,
        "delta_z": -0.9925
      },
      {
        "ch": 350.0,
        "easting": 451089.2378,
        "northing": 6512517.7734,
        "existing_z": 264.3773,
        "design_z": 263.2045,
        "delta_z": -1.1728
      },
      {
        "ch": 360.0,
        "easting": 451097.898,
        "northing": 6512512.7734,
        "existing_z": 264.6718,
        "design_z": 263.4392,
        "delta_z": -1.2326
      },
      {
        "ch": 370.0,
        "easting": 451106.5582,
        "northing": 6512507.7733,
        "existing_z": 264.9171,
        "design_z": 263.6739,
        "delta_z": -1.2432
      },
      {
        "ch": 378.1179,
        "easting": 451113.5885,
        "northing": 6512503.7142,
        "existing_z": 265.0471,
        "design_z": 263.8644,
        "delta_z": -1.1827
      },
      {
        "ch": 380.0,
        "easting": 451115.2184,
        "northing": 6512502.7732,
        "existing_z": 265.0654,
        "design_z": 263.9064,
        "delta_z": -1.159
      },
      {
        "ch": 390.0,
        "easting": 451123.8786,
        "northing": 6512497.7731,
        "existing_z": 265.1375,
        "design_z": 264.0572,
        "delta_z": -1.0802
      },
      {
        "ch": 398.1179,
        "easting": 451130.9089,
        "northing": 6512493.714,
        "existing_z": 265.1576,
        "design_z": 264.09,
        "delta_z": -1.0676
      },
      {
        "ch": 400.0,
        "easting": 451132.5388,
        "northing": 6512492.773,
        "existing_z": 265.1479,
        "design_z": 264.0862,
        "delta_z": -1.0617
      },
      {
        "ch": 410.0,
        "easting": 451141.199,
        "northing": 6512487.7729,
        "existing_z": 265.0608,
        "design_z": 263.9932,
        "delta_z": -1.0676
      },
      {
        "ch": 418.1179,
        "easting": 451148.2293,
        "northing": 6512483.7139,
        "existing_z": 264.947,
        "design_z": 263.8281,
        "delta_z": -1.1189
      },
      {
        "ch": 420.0,
        "easting": 451149.8592,
        "northing": 6512482.7728,
        "existing_z": 264.9164,
        "design_z": 263.7806,
        "delta_z": -1.1359
      },
      {
        "ch": 430.0,
        "easting": 451158.5194,
        "northing": 6512477.7727,
        "existing_z": 264.6859,
        "design_z": 263.5277,
        "delta_z": -1.1581
      },
      {
        "ch": 440.0,
        "easting": 451167.1796,
        "northing": 6512472.7726,
        "existing_z": 264.4103,
        "design_z": 263.2749,
        "delta_z": -1.1354
      },
      {
        "ch": 450.0,
        "easting": 451175.8398,
        "northing": 6512467.7725,
        "existing_z": 264.0421,
        "design_z": 263.0221,
        "delta_z": -1.02
      },
      {
        "ch": 457.7415,
        "easting": 451182.5441,
        "northing": 6512463.9017,
        "existing_z": 263.6929,
        "design_z": 262.8263,
        "delta_z": -0.8665
      },
      {
        "ch": 460.0,
        "easting": 451184.5,
        "northing": 6512462.7724,
        "existing_z": 263.5858,
        "design_z": 262.7685,
        "delta_z": -0.8173
      },
      {
        "ch": 470.0,
        "easting": 451193.1602,
        "northing": 6512457.7723,
        "existing_z": 263.076,
        "design_z": 262.4945,
        "delta_z": -0.5816
      },
      {
        "ch": 477.7415,
        "easting": 451199.8645,
        "northing": 6512453.9015,
        "existing_z": 262.6453,
        "design_z": 262.2623,
        "delta_z": -0.3831
      },
      {
        "ch": 480.0,
        "easting": 451201.8204,
        "northing": 6512452.7722,
        "existing_z": 262.516,
        "design_z": 262.1912,
        "delta_z": -0.3247
      },
      {
        "ch": 490.0,
        "easting": 451210.4806,
        "northing": 6512447.7722,
        "existing_z": 261.923,
        "design_z": 261.8588,
        "delta_z": -0.0642
      },
      {
        "ch": 497.7415,
        "easting": 451217.1849,
        "northing": 6512443.9013,
        "existing_z": 261.4314,
        "design_z": 261.5814,
        "delta_z": 0.15
      },
      {
        "ch": 500.0,
        "easting": 451219.1408,
        "northing": 6512442.7721,
        "existing_z": 261.2845,
        "design_z": 261.4979,
        "delta_z": 0.2134
      },
      {
        "ch": 510.0,
        "easting": 451227.8011,
        "northing": 6512437.7721,
        "existing_z": 260.6151,
        "design_z": 261.1283,
        "delta_z": 0.5131
      },
      {
        "ch": 520.0,
        "easting": 451236.9814,
        "northing": 6512433.8669,
        "existing_z": 259.9321,
        "design_z": 260.7586,
        "delta_z": 0.8265
      },
      {
        "ch": 530.0,
        "easting": 451246.8238,
        "northing": 6512432.2371,
        "existing_z": 259.2794,
        "design_z": 260.389,
        "delta_z": 1.1096
      },
      {
        "ch": 537.3651,
        "easting": 451254.1727,
        "northing": 6512432.5505,
        "existing_z": 258.8728,
        "design_z": 260.1168,
        "delta_z": 1.244
      },
      {
        "ch": 540.0,
        "easting": 451256.7729,
        "northing": 6512432.9746,
        "existing_z": 258.7485,
        "design_z": 260.0242,
        "delta_z": 1.2756
      },
      {
        "ch": 550.0,
        "easting": 451266.2674,
        "northing": 6512436.0377,
        "existing_z": 258.365,
        "design_z": 259.7597,
        "delta_z": 1.3946
      },
      {
        "ch": 557.3651,
        "easting": 451272.6551,
        "northing": 6512439.685,
        "existing_z": 258.1981,
        "design_z": 259.6529,
        "delta_z": 1.4549
      },
      {
        "ch": 560.0,
        "easting": 451274.7716,
        "northing": 6512441.2537,
        "existing_z": 258.1657,
        "design_z": 259.6329,
        "delta_z": 1.4672
      },
      {
        "ch": 570.0,
        "easting": 451281.8057,
        "northing": 6512448.3283,
        "existing_z": 258.1398,
        "design_z": 259.6439,
        "delta_z": 1.5041
      },
      {
        "ch": 577.3651,
        "easting": 451285.834,
        "northing": 6512454.4849,
        "existing_z": 258.2354,
        "design_z": 259.74,
        "delta_z": 1.5046
      },
      {
        "ch": 580.0,
        "easting": 451287.1514,
        "northing": 6512456.7669,
        "existing_z": 258.2818,
        "design_z": 259.7878,
        "delta_z": 1.506
      },
      {
        "ch": 590.0,
        "easting": 451292.151,
        "northing": 6512465.4273,
        "existing_z": 258.4449,
        "design_z": 259.9691,
        "delta_z": 1.5242
      },
      {
        "ch": 600.0,
        "easting": 451296.4475,
        "northing": 6512474.4354,
        "existing_z": 258.6455,
        "design_z": 260.1503,
        "delta_z": 1.5048
      },
      {
        "ch": 610.0,
        "easting": 451298.5386,
        "northing": 6512484.1902,
        "existing_z": 259.0078,
        "design_z": 260.3316,
        "delta_z": 1.3239
      },
      {
        "ch": 616.9887,
        "easting": 451298.601,
        "northing": 6512491.1705,
        "existing_z": 259.3486,
        "design_z": 260.4583,
        "delta_z": 1.1097
      },
      {
        "ch": 620.0,
        "easting": 451298.2702,
        "northing": 6512494.163,
        "existing_z": 259.5175,
        "design_z": 260.5141,
        "delta_z": 0.9965
      },
      {
        "ch": 630.0,
        "easting": 451295.6575,
        "northing": 6512503.7912,
        "existing_z": 260.162,
        "design_z": 260.7164,
        "delta_z": 0.5544
      },
      {
        "ch": 636.9887,
        "easting": 451292.5135,
        "northing": 6512510.0237,
        "existing_z": 260.679,
        "design_z": 260.8735,
        "delta_z": 0.1945
      },
      {
        "ch": 640.0,
        "easting": 451290.8479,
        "northing": 6512512.5317,
        "existing_z": 260.9106,
        "design_z": 260.9451,
        "delta_z": 0.0345
      },
      {
        "ch": 650.0,
        "easting": 451284.1127,
        "northing": 6512519.8914,
        "existing_z": 261.6111,
        "design_z": 261.2001,
        "delta_z": -0.4109
      },
      {
        "ch": 656.9887,
        "easting": 451278.4617,
        "northing": 6512523.9896,
        "existing_z": 262.0814,
        "design_z": 261.394,
        "delta_z": -0.6874
      },
      {
        "ch": 660.0,
        "easting": 451275.8584,
        "northing": 6512525.503,
        "existing_z": 262.2791,
        "design_z": 261.4803,
        "delta_z": -0.7988
      },
      {
        "ch": 670.0,
        "easting": 451267.1981,
        "northing": 6512530.503,
        "existing_z": 262.8713,
        "design_z": 261.7668,
        "delta_z": -1.1044
      },
      {
        "ch": 680.0,
        "easting": 451258.5379,
        "northing": 6512535.503,
        "existing_z": 263.2641,
        "design_z": 262.0534,
        "delta_z": -1.2107
      },
      {
        "ch": 690.0,
        "easting": 451249.8776,
        "northing": 6512540.503,
        "existing_z": 263.6048,
        "design_z": 262.34,
        "delta_z": -1.2648
      },
      {
        "ch": 696.6122,
        "easting": 451244.1512,
        "northing": 6512543.8091,
        "existing_z": 263.7418,
        "design_z": 262.5295,
        "delta_z": -1.2123
      },
      {
        "ch": 700.0,
        "easting": 451241.2174,
        "northing": 6512545.503,
        "existing_z": 263.803,
        "design_z": 262.6203,
        "delta_z": -1.1827
      },
      {
        "ch": 710.0,
        "easting": 451232.5571,
        "northing": 6512550.503,
        "existing_z": 263.9409,
        "design_z": 262.8153,
        "delta_z": -1.1256
      },
      {
        "ch": 716.6122,
        "easting": 451226.8307,
        "northing": 6512553.8091,
        "existing_z": 263.9627,
        "design_z": 262.8844,
        "delta_z": -1.0783
      },
      {
        "ch": 720.0,
        "easting": 451223.8968,
        "northing": 6512555.503,
        "existing_z": 263.9674,
        "design_z": 262.9013,
        "delta_z": -1.0661
      },
      {
        "ch": 730.0,
        "easting": 451215.2366,
        "northing": 6512560.503,
        "existing_z": 263.9702,
        "design_z": 262.8781,
        "delta_z": -1.0921
      },
      {
        "ch": 736.6122,
        "easting": 451209.5102,
        "northing": 6512563.8091,
        "existing_z": 263.9593,
        "design_z": 262.8029,
        "delta_z": -1.1565
      },
      {
        "ch": 740.0,
        "easting": 451206.5763,
        "northing": 6512565.503,
        "existing_z": 263.9298,
        "design_z": 262.7521,
        "delta_z": -1.1777
      },
      {
        "ch": 750.0,
        "easting": 451197.9161,
        "northing": 6512570.503,
        "existing_z": 263.811,
        "design_z": 262.6022,
        "delta_z": -1.2088
      },
      {
        "ch": 760.0,
        "easting": 451189.2558,
        "northing": 6512575.503,
        "existing_z": 263.5811,
        "design_z": 262.4524,
        "delta_z": -1.1287
      },
      {
        "ch": 770.0,
        "easting": 451180.5956,
        "northing": 6512580.503,
        "existing_z": 263.235,
        "design_z": 262.3025,
        "delta_z": -0.9325
      },
      {
        "ch": 776.2358,
        "easting": 451175.1952,
        "northing": 6512583.6209,
        "existing_z": 263.0043,
        "design_z": 262.2091,
        "delta_z": -0.7952
      },
      {
        "ch": 780.0,
        "easting": 451171.9353,
        "northing": 6512585.503,
        "existing_z": 262.8594,
        "design_z": 262.1479,
        "delta_z": -0.7116
      },
      {
        "ch": 790.0,
        "easting": 451163.2751,
        "northing": 6512590.503,
        "existing_z": 262.4747,
        "design_z": 261.9387,
        "delta_z": -0.536
      },
      {
        "ch": 796.2358,
        "easting": 451157.8747,
        "northing": 6512593.6209,
        "existing_z": 262.2205,
        "design_z": 261.7741,
        "delta_z": -0.4464
      },
      {
        "ch": 800.0,
        "easting": 451154.6148,
        "northing": 6512595.503,
        "existing_z": 262.066,
        "design_z": 261.6619,
        "delta_z": -0.4041
      },
      {
        "ch": 810.0,
        "easting": 451145.9545,
        "northing": 6512600.503,
        "existing_z": 261.6544,
        "design_z": 261.3175,
        "delta_z": -0.3368
      },
      {
        "ch": 816.2358,
        "easting": 451140.5542,
        "northing": 6512603.6209,
        "existing_z": 261.3925,
        "design_z": 261.0686,
        "delta_z": -0.324
      },
      {
        "ch": 820.0,
        "easting": 451137.2943,
        "northing": 6512605.503,
        "existing_z": 261.2313,
        "design_z": 260.9103,
        "delta_z": -0.321
      },
      {
        "ch": 830.0,
        "easting": 451128.634,
        "northing": 6512610.503,
        "existing_z": 260.7921,
        "design_z": 260.4899,
        "delta_z": -0.3022
      },
      {
        "ch": 840.0,
        "easting": 451119.9738,
        "northing": 6512615.503,
        "existing_z": 260.3586,
        "design_z": 260.0695,
        "delta_z": -0.2891
      },
      {
        "ch": 850.0,
        "easting": 451111.3135,
        "northing": 6512620.503,
        "existing_z": 259.9243,
        "design_z": 259.6491,
        "delta_z": -0.2751
      },
      {
        "ch": 855.8594,
        "easting": 451106.2391,
        "northing": 6512623.4327,
        "existing_z": 259.6584,
        "design_z": 259.4028,
        "delta_z": -0.2556
      },
      {
        "ch": 860.0,
        "easting": 451102.6533,
        "northing": 6512625.503,
        "existing_z": 259.4665,
        "design_z": 259.2259,
        "delta_z": -0.2406
      },
      {
        "ch": 870.0,
        "easting": 451093.993,
        "northing": 6512630.503,
        "existing_z": 259.0028,
        "design_z": 258.7747,
        "delta_z": -0.2281
      },
      {
        "ch": 875.8594,
        "easting": 451088.9186,
        "northing": 6512633.4327,
        "existing_z": 258.7477,
        "design_z": 258.4948,
        "delta_z": -0.2529
      },
      {
        "ch": 880.0,
        "easting": 451085.3328,
        "northing": 6512635.503,
        "existing_z": 258.544,
        "design_z": 258.29,
        "delta_z": -0.254
      },
      {
        "ch": 890.0,
        "easting": 451076.6725,
        "northing": 6512640.503,
        "existing_z": 258.0338,
        "design_z": 257.7716,
        "delta_z": -0.2622
      },
      {
        "ch": 895.8594,
        "easting": 451071.5981,
        "northing": 6512643.4327,
        "existing_z": 257.7228,
        "design_z": 257.4522,
        "delta_z": -0.2706
      },
      {
        "ch": 900.0,
        "easting": 451068.0122,
        "northing": 6512645.503,
        "existing_z": 257.4819,
        "design_z": 257.2225,
        "delta_z": -0.2594
      },
      {
        "ch": 910.0,
        "easting": 451059.352,
        "northing": 6512650.503,
        "existing_z": 256.8591,
        "design_z": 256.6676,
        "delta_z": -0.1915
      },
      {
        "ch": 920.0,
        "easting": 451050.6917,
        "northing": 6512655.503,
        "existing_z": 256.2783,
        "design_z": 256.1127,
        "delta_z": -0.1656
      },
      {
        "ch": 930.0,
        "easting": 451042.0315,
        "northing": 6512660.503,
        "existing_z": 255.6839,
        "design_z": 255.5578,
        "delta_z": -0.1261
      },
      {
        "ch": 940.0,
        "easting": 451033.3712,
        "northing": 6512665.5029,
        "existing_z": 255.0804,
        "design_z": 255.0029,
        "delta_z": -0.0775
      },
      {
        "ch": 950.0,
        "easting": 451024.711,
        "northing": 6512670.5029,
        "existing_z": 254.4567,
        "design_z": 254.448,
        "delta_z": -0.0087
      },
      {
        "ch": 955.483,
        "easting": 451019.9626,
        "northing": 6512673.2444,
        "existing_z": 254.1438,
        "design_z": 254.1438,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD449",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 44.587,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 8.16,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450768.51,
          6512587.48
        ],
        "end": [
          450807.12352290604,
          6512565.186102377
        ],
        "chainage_start": 0,
        "length": 44.587240578983305
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450768.51,
        "northing": 6512587.48,
        "existing_z": 239.5014,
        "design_z": 239.5014,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450777.1702,
        "northing": 6512582.4799,
        "existing_z": 240.2912,
        "design_z": 240.3174,
        "delta_z": 0.0261
      },
      {
        "ch": 20.0,
        "easting": 450785.8304,
        "northing": 6512577.4799,
        "existing_z": 241.0467,
        "design_z": 241.1333,
        "delta_z": 0.0866
      },
      {
        "ch": 30.0,
        "easting": 450794.4907,
        "northing": 6512572.4798,
        "existing_z": 241.8253,
        "design_z": 241.9493,
        "delta_z": 0.124
      },
      {
        "ch": 40.0,
        "easting": 450803.1509,
        "northing": 6512567.4798,
        "existing_z": 242.7177,
        "design_z": 242.7652,
        "delta_z": 0.0475
      },
      {
        "ch": 44.5872,
        "easting": 450807.1235,
        "northing": 6512565.1861,
        "existing_z": 243.1395,
        "design_z": 243.1395,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD450",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 715.33,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 8.49,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451390.0,
          6512600.12
        ],
        "end": [
          452105.33,
          6512600.12
        ],
        "chainage_start": 0,
        "length": 715.3300000000163
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 79.48111111111292,
        "pvi_z": 249.61277193937823,
        "bvc": 59.481111111112924,
        "evc": 99.48111111111292,
        "length": 40.0,
        "g1": -0.07394676295693639,
        "g2": -0.03306831346664036,
        "z_bvc": 251.09170719851696,
        "K_m_per_percent": 9.78510694479629
      },
      {
        "pvi_ch": 158.96222222222585,
        "pvi_z": 246.98446564247908,
        "bvc": 138.96222222222585,
        "evc": 178.96222222222585,
        "length": 40.0,
        "g1": -0.03306831346664036,
        "g2": 0.011076486483258879,
        "z_bvc": 247.64583191181188,
        "K_m_per_percent": 9.06108987817291
      },
      {
        "pvi_ch": 238.44333333333878,
        "pvi_z": 247.86483709537572,
        "bvc": 218.44333333333878,
        "evc": 258.4433333333388,
        "length": 40.0,
        "g1": 0.011076486483258879,
        "g2": 0.04859698193247047,
        "z_bvc": 247.64330736571054,
        "K_m_per_percent": 10.660840034520522
      },
      {
        "pvi_ch": 317.9244444444517,
        "pvi_z": 251.72737921601515,
        "bvc": 297.9244444444517,
        "evc": 337.9244444444517,
        "length": 40.0,
        "g1": 0.04859698193247047,
        "g2": 0.07201135697611306,
        "z_bvc": 250.75543957736573,
        "K_m_per_percent": 17.08352237693429
      },
      {
        "pvi_ch": 397.4055555555646,
        "pvi_z": 257.4509218810956,
        "bvc": 377.4055555555646,
        "evc": 417.4055555555646,
        "length": 40.0,
        "g1": 0.07201135697611306,
        "g2": 0.07229587094563349,
        "z_bvc": 256.01069474157333,
        "K_m_per_percent": 1405.906362609334
      },
      {
        "pvi_ch": 476.88666666667757,
        "pvi_z": 263.1970780326002,
        "bvc": 456.88666666667757,
        "evc": 496.88666666667757,
        "length": 40.0,
        "g1": 0.07229587094563349,
        "g2": 0.007735137806625827,
        "z_bvc": 261.75116061368755,
        "K_m_per_percent": 6.195716506792882
      },
      {
        "pvi_ch": 556.3677777777905,
        "pvi_z": 263.8118753800684,
        "bvc": 536.3677777777905,
        "evc": 576.3677777777905,
        "length": 40.0,
        "g1": 0.007735137806625827,
        "g2": -0.05428176317752445,
        "z_bvc": 263.6571726239359,
        "K_m_per_percent": 6.449854695290699
      },
      {
        "pvi_ch": 635.8488888889034,
        "pvi_z": 259.49750052964845,
        "bvc": 615.8488888889034,
        "evc": 655.8488888889034,
        "length": 40.0,
        "g1": -0.05428176317752445,
        "g2": -0.08492529986465858,
        "z_bvc": 260.58313579319895,
        "K_m_per_percent": 13.053323579583502
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451390.0,
        "northing": 6512600.12,
        "existing_z": 255.4901,
        "design_z": 255.4901,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451400.0,
        "northing": 6512600.12,
        "existing_z": 254.534,
        "design_z": 254.7507,
        "delta_z": 0.2167
      },
      {
        "ch": 20.0,
        "easting": 451410.0,
        "northing": 6512600.12,
        "existing_z": 253.5778,
        "design_z": 254.0112,
        "delta_z": 0.4334
      },
      {
        "ch": 30.0,
        "easting": 451420.0,
        "northing": 6512600.12,
        "existing_z": 252.7366,
        "design_z": 253.2717,
        "delta_z": 0.5352
      },
      {
        "ch": 40.0,
        "easting": 451430.0,
        "northing": 6512600.12,
        "existing_z": 251.8953,
        "design_z": 252.5323,
        "delta_z": 0.6369
      },
      {
        "ch": 50.0,
        "easting": 451440.0,
        "northing": 6512600.12,
        "existing_z": 251.0928,
        "design_z": 251.7928,
        "delta_z": 0.7
      },
      {
        "ch": 59.4811,
        "easting": 451449.4811,
        "northing": 6512600.12,
        "existing_z": 250.3319,
        "design_z": 251.0917,
        "delta_z": 0.7598
      },
      {
        "ch": 60.0,
        "easting": 451450.0,
        "northing": 6512600.12,
        "existing_z": 250.2902,
        "design_z": 251.0535,
        "delta_z": 0.7632
      },
      {
        "ch": 70.0,
        "easting": 451460.0,
        "northing": 6512600.12,
        "existing_z": 249.5988,
        "design_z": 250.3704,
        "delta_z": 0.7716
      },
      {
        "ch": 79.4811,
        "easting": 451469.4811,
        "northing": 6512600.12,
        "existing_z": 248.9433,
        "design_z": 249.8172,
        "delta_z": 0.8738
      },
      {
        "ch": 80.0,
        "easting": 451470.0,
        "northing": 6512600.12,
        "existing_z": 248.9075,
        "design_z": 249.7895,
        "delta_z": 0.8821
      },
      {
        "ch": 90.0,
        "easting": 451480.0,
        "northing": 6512600.12,
        "existing_z": 248.4295,
        "design_z": 249.3109,
        "delta_z": 0.8814
      },
      {
        "ch": 99.4811,
        "easting": 451489.4811,
        "northing": 6512600.12,
        "existing_z": 247.9763,
        "design_z": 248.9514,
        "delta_z": 0.9751
      },
      {
        "ch": 100.0,
        "easting": 451490.0,
        "northing": 6512600.12,
        "existing_z": 247.9515,
        "design_z": 248.9342,
        "delta_z": 0.9828
      },
      {
        "ch": 110.0,
        "easting": 451500.0,
        "northing": 6512600.12,
        "existing_z": 247.6157,
        "design_z": 248.6036,
        "delta_z": 0.9879
      },
      {
        "ch": 120.0,
        "easting": 451510.0,
        "northing": 6512600.12,
        "existing_z": 247.2799,
        "design_z": 248.2729,
        "delta_z": 0.993
      },
      {
        "ch": 130.0,
        "easting": 451520.0,
        "northing": 6512600.12,
        "existing_z": 247.0087,
        "design_z": 247.9422,
        "delta_z": 0.9335
      },
      {
        "ch": 138.9622,
        "easting": 451528.9622,
        "northing": 6512600.12,
        "existing_z": 246.7657,
        "design_z": 247.6458,
        "delta_z": 0.8801
      },
      {
        "ch": 140.0,
        "easting": 451530.0,
        "northing": 6512600.12,
        "existing_z": 246.7376,
        "design_z": 247.6121,
        "delta_z": 0.8745
      },
      {
        "ch": 150.0,
        "easting": 451540.0,
        "northing": 6512600.12,
        "existing_z": 246.5409,
        "design_z": 247.3481,
        "delta_z": 0.8072
      },
      {
        "ch": 158.9622,
        "easting": 451548.9622,
        "northing": 6512600.12,
        "existing_z": 246.3646,
        "design_z": 247.2052,
        "delta_z": 0.8406
      },
      {
        "ch": 160.0,
        "easting": 451550.0,
        "northing": 6512600.12,
        "existing_z": 246.3442,
        "design_z": 247.1944,
        "delta_z": 0.8501
      },
      {
        "ch": 170.0,
        "easting": 451560.0,
        "northing": 6512600.12,
        "existing_z": 246.2734,
        "design_z": 247.151,
        "delta_z": 0.8776
      },
      {
        "ch": 178.9622,
        "easting": 451568.9622,
        "northing": 6512600.12,
        "existing_z": 246.21,
        "design_z": 247.206,
        "delta_z": 0.996
      },
      {
        "ch": 180.0,
        "easting": 451570.0,
        "northing": 6512600.12,
        "existing_z": 246.2026,
        "design_z": 247.2175,
        "delta_z": 1.0149
      },
      {
        "ch": 190.0,
        "easting": 451580.0,
        "northing": 6512600.12,
        "existing_z": 246.2922,
        "design_z": 247.3283,
        "delta_z": 1.0361
      },
      {
        "ch": 200.0,
        "easting": 451590.0,
        "northing": 6512600.12,
        "existing_z": 246.3817,
        "design_z": 247.439,
        "delta_z": 1.0573
      },
      {
        "ch": 210.0,
        "easting": 451600.0,
        "northing": 6512600.12,
        "existing_z": 246.5794,
        "design_z": 247.5498,
        "delta_z": 0.9704
      },
      {
        "ch": 218.4433,
        "easting": 451608.4433,
        "northing": 6512600.12,
        "existing_z": 246.7462,
        "design_z": 247.6433,
        "delta_z": 0.8971
      },
      {
        "ch": 220.0,
        "easting": 451610.0,
        "northing": 6512600.12,
        "existing_z": 246.777,
        "design_z": 247.6617,
        "delta_z": 0.8847
      },
      {
        "ch": 230.0,
        "easting": 451620.0,
        "northing": 6512600.12,
        "existing_z": 247.0663,
        "design_z": 247.834,
        "delta_z": 0.7676
      },
      {
        "ch": 238.4433,
        "easting": 451628.4433,
        "northing": 6512600.12,
        "existing_z": 247.3106,
        "design_z": 248.0524,
        "delta_z": 0.7418
      },
      {
        "ch": 240.0,
        "easting": 451630.0,
        "northing": 6512600.12,
        "existing_z": 247.3556,
        "design_z": 248.1,
        "delta_z": 0.7444
      },
      {
        "ch": 250.0,
        "easting": 451640.0,
        "northing": 6512600.12,
        "existing_z": 247.758,
        "design_z": 248.4599,
        "delta_z": 0.7019
      },
      {
        "ch": 258.4433,
        "easting": 451648.4433,
        "northing": 6512600.12,
        "existing_z": 248.0977,
        "design_z": 248.8368,
        "delta_z": 0.739
      },
      {
        "ch": 260.0,
        "easting": 451650.0,
        "northing": 6512600.12,
        "existing_z": 248.1604,
        "design_z": 248.9124,
        "delta_z": 0.7521
      },
      {
        "ch": 270.0,
        "easting": 451660.0,
        "northing": 6512600.12,
        "existing_z": 248.6824,
        "design_z": 249.3984,
        "delta_z": 0.716
      },
      {
        "ch": 280.0,
        "easting": 451670.0,
        "northing": 6512600.12,
        "existing_z": 249.2045,
        "design_z": 249.8844,
        "delta_z": 0.6799
      },
      {
        "ch": 290.0,
        "easting": 451680.0,
        "northing": 6512600.12,
        "existing_z": 249.7853,
        "design_z": 250.3703,
        "delta_z": 0.5851
      },
      {
        "ch": 297.9244,
        "easting": 451687.9244,
        "northing": 6512600.12,
        "existing_z": 250.2455,
        "design_z": 250.7554,
        "delta_z": 0.5099
      },
      {
        "ch": 300.0,
        "easting": 451690.0,
        "northing": 6512600.12,
        "existing_z": 250.3661,
        "design_z": 250.8576,
        "delta_z": 0.4915
      },
      {
        "ch": 310.0,
        "easting": 451700.0,
        "northing": 6512600.12,
        "existing_z": 250.9572,
        "design_z": 251.385,
        "delta_z": 0.4278
      },
      {
        "ch": 317.9244,
        "easting": 451707.9244,
        "northing": 6512600.12,
        "existing_z": 251.4256,
        "design_z": 251.8445,
        "delta_z": 0.4188
      },
      {
        "ch": 320.0,
        "easting": 451710.0,
        "northing": 6512600.12,
        "existing_z": 251.5483,
        "design_z": 251.9709,
        "delta_z": 0.4226
      },
      {
        "ch": 330.0,
        "easting": 451720.0,
        "northing": 6512600.12,
        "existing_z": 252.1296,
        "design_z": 252.6153,
        "delta_z": 0.4857
      },
      {
        "ch": 337.9244,
        "easting": 451727.9244,
        "northing": 6512600.12,
        "existing_z": 252.5902,
        "design_z": 253.1676,
        "delta_z": 0.5774
      },
      {
        "ch": 340.0,
        "easting": 451730.0,
        "northing": 6512600.12,
        "existing_z": 252.7109,
        "design_z": 253.3171,
        "delta_z": 0.6062
      },
      {
        "ch": 350.0,
        "easting": 451740.0,
        "northing": 6512600.12,
        "existing_z": 253.3438,
        "design_z": 254.0372,
        "delta_z": 0.6933
      },
      {
        "ch": 360.0,
        "easting": 451750.0,
        "northing": 6512600.12,
        "existing_z": 253.9768,
        "design_z": 254.7573,
        "delta_z": 0.7805
      },
      {
        "ch": 370.0,
        "easting": 451760.0,
        "northing": 6512600.12,
        "existing_z": 254.7669,
        "design_z": 255.4774,
        "delta_z": 0.7105
      },
      {
        "ch": 377.4056,
        "easting": 451767.4056,
        "northing": 6512600.12,
        "existing_z": 255.352,
        "design_z": 256.0107,
        "delta_z": 0.6587
      },
      {
        "ch": 380.0,
        "easting": 451770.0,
        "northing": 6512600.12,
        "existing_z": 255.557,
        "design_z": 256.1975,
        "delta_z": 0.6406
      },
      {
        "ch": 390.0,
        "easting": 451780.0,
        "northing": 6512600.12,
        "existing_z": 256.5248,
        "design_z": 256.9182,
        "delta_z": 0.3934
      },
      {
        "ch": 397.4056,
        "easting": 451787.4056,
        "northing": 6512600.12,
        "existing_z": 257.2416,
        "design_z": 257.4523,
        "delta_z": 0.2107
      },
      {
        "ch": 400.0,
        "easting": 451790.0,
        "northing": 6512600.12,
        "existing_z": 257.4927,
        "design_z": 257.6396,
        "delta_z": 0.1468
      },
      {
        "ch": 410.0,
        "easting": 451800.0,
        "northing": 6512600.12,
        "existing_z": 258.5527,
        "design_z": 258.3616,
        "delta_z": -0.1911
      },
      {
        "ch": 417.4056,
        "easting": 451807.4056,
        "northing": 6512600.12,
        "existing_z": 259.3377,
        "design_z": 258.8968,
        "delta_z": -0.4409
      },
      {
        "ch": 420.0,
        "easting": 451810.0,
        "northing": 6512600.12,
        "existing_z": 259.6128,
        "design_z": 259.0844,
        "delta_z": -0.5284
      },
      {
        "ch": 430.0,
        "easting": 451820.0,
        "northing": 6512600.12,
        "existing_z": 260.5996,
        "design_z": 259.8074,
        "delta_z": -0.7923
      },
      {
        "ch": 440.0,
        "easting": 451830.0,
        "northing": 6512600.12,
        "existing_z": 261.5865,
        "design_z": 260.5303,
        "delta_z": -1.0562
      },
      {
        "ch": 450.0,
        "easting": 451840.0,
        "northing": 6512600.12,
        "existing_z": 262.4115,
        "design_z": 261.2533,
        "delta_z": -1.1582
      },
      {
        "ch": 456.8867,
        "easting": 451846.8867,
        "northing": 6512600.12,
        "existing_z": 262.9796,
        "design_z": 261.7512,
        "delta_z": -1.2285
      },
      {
        "ch": 460.0,
        "easting": 451850.0,
        "northing": 6512600.12,
        "existing_z": 263.2365,
        "design_z": 261.9684,
        "delta_z": -1.2681
      },
      {
        "ch": 470.0,
        "easting": 451860.0,
        "northing": 6512600.12,
        "existing_z": 263.9018,
        "design_z": 262.5604,
        "delta_z": -1.3414
      },
      {
        "ch": 476.8867,
        "easting": 451866.8867,
        "northing": 6512600.12,
        "existing_z": 264.36,
        "design_z": 262.8743,
        "delta_z": -1.4857
      },
      {
        "ch": 480.0,
        "easting": 451870.0,
        "northing": 6512600.12,
        "existing_z": 264.5672,
        "design_z": 262.991,
        "delta_z": -1.5761
      },
      {
        "ch": 490.0,
        "easting": 451880.0,
        "northing": 6512600.12,
        "existing_z": 265.0578,
        "design_z": 263.2602,
        "delta_z": -1.7975
      },
      {
        "ch": 496.8867,
        "easting": 451886.8867,
        "northing": 6512600.12,
        "existing_z": 265.3956,
        "design_z": 263.3518,
        "delta_z": -2.0438
      },
      {
        "ch": 500.0,
        "easting": 451890.0,
        "northing": 6512600.12,
        "existing_z": 265.5484,
        "design_z": 263.3759,
        "delta_z": -2.1725
      },
      {
        "ch": 510.0,
        "easting": 451900.0,
        "northing": 6512600.12,
        "existing_z": 265.7057,
        "design_z": 263.4532,
        "delta_z": -2.2525
      },
      {
        "ch": 520.0,
        "easting": 451910.0,
        "northing": 6512600.12,
        "existing_z": 265.8631,
        "design_z": 263.5306,
        "delta_z": -2.3325
      },
      {
        "ch": 530.0,
        "easting": 451920.0,
        "northing": 6512600.12,
        "existing_z": 265.6765,
        "design_z": 263.6079,
        "delta_z": -2.0686
      },
      {
        "ch": 536.3678,
        "easting": 451926.3678,
        "northing": 6512600.12,
        "existing_z": 265.5576,
        "design_z": 263.6572,
        "delta_z": -1.9005
      },
      {
        "ch": 540.0,
        "easting": 451930.0,
        "northing": 6512600.12,
        "existing_z": 265.4899,
        "design_z": 263.675,
        "delta_z": -1.8148
      },
      {
        "ch": 550.0,
        "easting": 451940.0,
        "northing": 6512600.12,
        "existing_z": 265.0211,
        "design_z": 263.6186,
        "delta_z": -1.4025
      },
      {
        "ch": 556.3678,
        "easting": 451946.3678,
        "northing": 6512600.12,
        "existing_z": 264.7225,
        "design_z": 263.5018,
        "delta_z": -1.2207
      },
      {
        "ch": 560.0,
        "easting": 451950.0,
        "northing": 6512600.12,
        "existing_z": 264.5523,
        "design_z": 263.407,
        "delta_z": -1.1452
      },
      {
        "ch": 570.0,
        "easting": 451960.0,
        "northing": 6512600.12,
        "existing_z": 264.013,
        "design_z": 263.0405,
        "delta_z": -0.9726
      },
      {
        "ch": 576.3678,
        "easting": 451966.3678,
        "northing": 6512600.12,
        "existing_z": 263.6696,
        "design_z": 262.7262,
        "delta_z": -0.9434
      },
      {
        "ch": 580.0,
        "easting": 451970.0,
        "northing": 6512600.12,
        "existing_z": 263.4738,
        "design_z": 262.5291,
        "delta_z": -0.9447
      },
      {
        "ch": 590.0,
        "easting": 451980.0,
        "northing": 6512600.12,
        "existing_z": 262.8955,
        "design_z": 261.9863,
        "delta_z": -0.9092
      },
      {
        "ch": 600.0,
        "easting": 451990.0,
        "northing": 6512600.12,
        "existing_z": 262.3172,
        "design_z": 261.4434,
        "delta_z": -0.8737
      },
      {
        "ch": 610.0,
        "easting": 452000.0,
        "northing": 6512600.12,
        "existing_z": 261.6816,
        "design_z": 260.9006,
        "delta_z": -0.781
      },
      {
        "ch": 615.8489,
        "easting": 452005.8489,
        "northing": 6512600.12,
        "existing_z": 261.3099,
        "design_z": 260.5831,
        "delta_z": -0.7268
      },
      {
        "ch": 620.0,
        "easting": 452010.0,
        "northing": 6512600.12,
        "existing_z": 261.0461,
        "design_z": 260.3512,
        "delta_z": -0.6949
      },
      {
        "ch": 630.0,
        "easting": 452020.0,
        "northing": 6512600.12,
        "existing_z": 260.3135,
        "design_z": 259.7383,
        "delta_z": -0.5753
      },
      {
        "ch": 635.8489,
        "easting": 452025.8489,
        "northing": 6512600.12,
        "existing_z": 259.885,
        "design_z": 259.3443,
        "delta_z": -0.5408
      },
      {
        "ch": 640.0,
        "easting": 452030.0,
        "northing": 6512600.12,
        "existing_z": 259.5809,
        "design_z": 259.0488,
        "delta_z": -0.5322
      },
      {
        "ch": 650.0,
        "easting": 452040.0,
        "northing": 6512600.12,
        "existing_z": 258.7039,
        "design_z": 258.2826,
        "delta_z": -0.4213
      },
      {
        "ch": 655.8489,
        "easting": 452045.8489,
        "northing": 6512600.12,
        "existing_z": 258.1909,
        "design_z": 257.799,
        "delta_z": -0.3919
      },
      {
        "ch": 660.0,
        "easting": 452050.0,
        "northing": 6512600.12,
        "existing_z": 257.8268,
        "design_z": 257.4465,
        "delta_z": -0.3804
      },
      {
        "ch": 670.0,
        "easting": 452060.0,
        "northing": 6512600.12,
        "existing_z": 256.8708,
        "design_z": 256.5972,
        "delta_z": -0.2736
      },
      {
        "ch": 680.0,
        "easting": 452070.0,
        "northing": 6512600.12,
        "existing_z": 255.9147,
        "design_z": 255.748,
        "delta_z": -0.1668
      },
      {
        "ch": 690.0,
        "easting": 452080.0,
        "northing": 6512600.12,
        "existing_z": 254.9862,
        "design_z": 254.8987,
        "delta_z": -0.0875
      },
      {
        "ch": 700.0,
        "easting": 452090.0,
        "northing": 6512600.12,
        "existing_z": 254.0578,
        "design_z": 254.0494,
        "delta_z": -0.0083
      },
      {
        "ch": 710.0,
        "easting": 452100.0,
        "northing": 6512600.12,
        "existing_z": 253.2031,
        "design_z": 253.2002,
        "delta_z": -0.0029
      },
      {
        "ch": 715.33,
        "easting": 452105.33,
        "northing": 6512600.12,
        "existing_z": 252.7475,
        "design_z": 252.7475,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD451",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 19.732,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.0,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451390.0,
          6512610.0
        ],
        "end": [
          451382.98772070213,
          6512603.071868054
        ],
        "chainage_start": 0,
        "length": 9.85753890266135
      },
      {
        "type": "ARC",
        "centre": [
          451384.2,
          6512601.844864716
        ],
        "radius": 1.7248647156948225,
        "start_angle_rad": 2.3501583462462556,
        "sweep_rad": 2.362230634191717,
        "start": [
          451382.98772070213,
          6512603.071868054
        ],
        "end": [
          451384.2,
          6512600.12
        ],
        "chainage_start": 9.85753890266135,
        "length": 4.0745282712506965,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451384.2000000001,
          6512600.12
        ],
        "end": [
          451390.0,
          6512600.12
        ],
        "chainage_start": 13.932067173912046,
        "length": 5.799999999871943
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451390.0,
        "northing": 6512610.0,
        "existing_z": 256.0826,
        "design_z": 256.0826,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451382.8906,
        "northing": 6512602.9677,
        "existing_z": 256.4471,
        "design_z": 255.7824,
        "delta_z": -0.6648
      },
      {
        "ch": 19.7321,
        "easting": 451390.0,
        "northing": 6512600.12,
        "existing_z": 255.4901,
        "design_z": 255.4901,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD452",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 9.88,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.0,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451390.0,
          6512600.12
        ],
        "end": [
          451390.0,
          6512610.0
        ],
        "chainage_start": 0,
        "length": 9.879999999888241
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451390.0,
        "northing": 6512600.12,
        "existing_z": 255.4901,
        "design_z": 255.4901,
        "delta_z": 0.0
      },
      {
        "ch": 9.88,
        "easting": 451390.0,
        "northing": 6512610.0,
        "existing_z": 256.0826,
        "design_z": 256.0826,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD453",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 90.12,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.7,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451390.0,
          6512610.0
        ],
        "end": [
          451390.0,
          6512700.12
        ],
        "chainage_start": 0,
        "length": 90.12000000011176
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 45.06000000005588,
        "pvi_z": 258.6502791105577,
        "bvc": 25.06000000005588,
        "evc": 65.06000000005588,
        "length": 40.0,
        "g1": 0.05698331173036212,
        "g2": 0.05540887845688754,
        "z_bvc": 257.5106128759504,
        "K_m_per_percent": 254.05967133637253
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451390.0,
        "northing": 6512610.0,
        "existing_z": 256.0826,
        "design_z": 256.0826,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451390.0,
        "northing": 6512620.0,
        "existing_z": 256.6736,
        "design_z": 256.6524,
        "delta_z": -0.0212
      },
      {
        "ch": 20.0,
        "easting": 451390.0,
        "northing": 6512630.0,
        "existing_z": 257.2647,
        "design_z": 257.2223,
        "delta_z": -0.0424
      },
      {
        "ch": 25.06,
        "easting": 451390.0,
        "northing": 6512635.06,
        "existing_z": 257.5479,
        "design_z": 257.5106,
        "delta_z": -0.0373
      },
      {
        "ch": 30.0,
        "easting": 451390.0,
        "northing": 6512640.0,
        "existing_z": 257.8244,
        "design_z": 257.7916,
        "delta_z": -0.0328
      },
      {
        "ch": 40.0,
        "easting": 451390.0,
        "northing": 6512650.0,
        "existing_z": 258.3842,
        "design_z": 258.3576,
        "delta_z": -0.0266
      },
      {
        "ch": 45.06,
        "easting": 451390.0,
        "northing": 6512655.06,
        "existing_z": 258.6682,
        "design_z": 258.6424,
        "delta_z": -0.0258
      },
      {
        "ch": 50.0,
        "easting": 451390.0,
        "northing": 6512660.0,
        "existing_z": 258.9456,
        "design_z": 258.9195,
        "delta_z": -0.0261
      },
      {
        "ch": 60.0,
        "easting": 451390.0,
        "northing": 6512670.0,
        "existing_z": 259.507,
        "design_z": 259.4776,
        "delta_z": -0.0294
      },
      {
        "ch": 65.06,
        "easting": 451390.0,
        "northing": 6512675.06,
        "existing_z": 259.7869,
        "design_z": 259.7585,
        "delta_z": -0.0285
      },
      {
        "ch": 70.0,
        "easting": 451390.0,
        "northing": 6512680.0,
        "existing_z": 260.0602,
        "design_z": 260.0322,
        "delta_z": -0.0281
      },
      {
        "ch": 80.0,
        "easting": 451390.0,
        "northing": 6512690.0,
        "existing_z": 260.6135,
        "design_z": 260.5863,
        "delta_z": -0.0272
      },
      {
        "ch": 90.0,
        "easting": 451390.0,
        "northing": 6512700.0,
        "existing_z": 261.1407,
        "design_z": 261.1404,
        "delta_z": -0.0003
      },
      {
        "ch": 90.12,
        "easting": 451390.0,
        "northing": 6512700.12,
        "existing_z": 261.147,
        "design_z": 261.147,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD454",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 405.34,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.79,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451019.96256320085,
          6512673.244439976
        ],
        "end": [
          451048.96107654436,
          6512723.47566479
        ],
        "chainage_start": 0,
        "length": 58.00077346379122
      },
      {
        "type": "ARC",
        "centre": [
          451085.3331949722,
          6512702.478021083
        ],
        "radius": 41.99800043026988,
        "start_angle_rad": 2.6180311736853374,
        "sweep_rad": -1.5708572722255876,
        "start": [
          451048.96107654436,
          6512723.47566479
        ],
        "end": [
          451106.33305535384,
          6512738.848859734
        ],
        "chainage_start": 58.00077346379122,
        "length": 65.9728643948228,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451106.33305535396,
          6512738.848859733
        ],
        "end": [
          451350.0,
          6512598.16
        ],
        "chainage_start": 123.97363785861403,
        "length": 281.3661940711067
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 67.55663865495346,
        "pvi_z": 254.82052814888868,
        "bvc": 47.55663865495346,
        "evc": 87.55663865495346,
        "length": 40.0,
        "g1": 0.010017665943955116,
        "g2": 0.0277497098894505,
        "z_bvc": 254.62017483000957,
        "K_m_per_percent": 22.558031168291528
      },
      {
        "pvi_ch": 135.11327730990692,
        "pvi_z": 256.6952052726701,
        "bvc": 115.11327730990692,
        "evc": 155.11327730990692,
        "length": 40.0,
        "g1": 0.0277497098894505,
        "g2": 0.043878122001343695,
        "z_bvc": 256.14021107488105,
        "K_m_per_percent": 24.80095357341703
      },
      {
        "pvi_ch": 202.66991596486037,
        "pvi_z": 259.6594637055728,
        "bvc": 182.66991596486037,
        "evc": 222.66991596486037,
        "length": 40.0,
        "g1": 0.043878122001343695,
        "g2": 0.04041585284749289,
        "z_bvc": 258.78190126554597,
        "K_m_per_percent": 115.53116820947096
      },
      {
        "pvi_ch": 270.22655461981384,
        "pvi_z": 262.38982287232267,
        "bvc": 250.22655461981384,
        "evc": 290.22655461981384,
        "length": 40.0,
        "g1": 0.04041585284749289,
        "g2": 0.009833013339364448,
        "z_bvc": 261.5815058153728,
        "K_m_per_percent": 13.079230262241877
      },
      {
        "pvi_ch": 337.7831932747673,
        "pvi_z": 263.05410820137945,
        "bvc": 317.7831932747673,
        "evc": 357.7831932747673,
        "length": 40.0,
        "g1": 0.009833013339364448,
        "g2": -0.047883277845685315,
        "z_bvc": 262.8574479345922,
        "K_m_per_percent": 6.930452248179313
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451019.9626,
        "northing": 6512673.2444,
        "existing_z": 254.1438,
        "design_z": 254.1438,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451024.9622,
        "northing": 6512681.9049,
        "existing_z": 254.3389,
        "design_z": 254.2439,
        "delta_z": -0.0949
      },
      {
        "ch": 20.0,
        "easting": 451029.9619,
        "northing": 6512690.5653,
        "existing_z": 254.5361,
        "design_z": 254.3441,
        "delta_z": -0.192
      },
      {
        "ch": 30.0,
        "easting": 451034.9616,
        "northing": 6512699.2258,
        "existing_z": 254.6596,
        "design_z": 254.4443,
        "delta_z": -0.2153
      },
      {
        "ch": 40.0,
        "easting": 451039.9613,
        "northing": 6512707.8862,
        "existing_z": 254.7583,
        "design_z": 254.5445,
        "delta_z": -0.2139
      },
      {
        "ch": 47.5566,
        "easting": 451043.7393,
        "northing": 6512714.4306,
        "existing_z": 254.7497,
        "design_z": 254.6202,
        "delta_z": -0.1295
      },
      {
        "ch": 50.0,
        "easting": 451044.9609,
        "northing": 6512716.5466,
        "existing_z": 254.7326,
        "design_z": 254.646,
        "delta_z": -0.0867
      },
      {
        "ch": 60.0,
        "easting": 451050.0015,
        "northing": 6512725.1826,
        "existing_z": 254.6436,
        "design_z": 254.7791,
        "delta_z": 0.1355
      },
      {
        "ch": 67.5566,
        "easting": 451054.635,
        "northing": 6512731.1391,
        "existing_z": 254.5633,
        "design_z": 254.9092,
        "delta_z": 0.3459
      },
      {
        "ch": 70.0,
        "easting": 451056.3535,
        "northing": 6512732.8755,
        "existing_z": 254.5289,
        "design_z": 254.9567,
        "delta_z": 0.4278
      },
      {
        "ch": 80.0,
        "easting": 451064.3407,
        "northing": 6512738.8531,
        "existing_z": 254.4612,
        "design_z": 255.1785,
        "delta_z": 0.7173
      },
      {
        "ch": 87.5566,
        "easting": 451071.1893,
        "northing": 6512742.0227,
        "existing_z": 254.4921,
        "design_z": 255.3755,
        "delta_z": 0.8834
      },
      {
        "ch": 90.0,
        "easting": 451073.5126,
        "northing": 6512742.7782,
        "existing_z": 254.5178,
        "design_z": 255.4433,
        "delta_z": 0.9255
      },
      {
        "ch": 100.0,
        "easting": 451083.3514,
        "northing": 6512744.4292,
        "existing_z": 254.7118,
        "design_z": 255.7208,
        "delta_z": 1.0091
      },
      {
        "ch": 110.0,
        "easting": 451093.302,
        "northing": 6512743.7131,
        "existing_z": 255.0634,
        "design_z": 255.9983,
        "delta_z": 0.9349
      },
      {
        "ch": 115.1133,
        "easting": 451098.251,
        "northing": 6512742.44,
        "existing_z": 255.3082,
        "design_z": 256.1402,
        "delta_z": 0.832
      },
      {
        "ch": 120.0,
        "easting": 451102.803,
        "northing": 6512740.6701,
        "existing_z": 255.5681,
        "design_z": 256.2806,
        "delta_z": 0.7125
      },
      {
        "ch": 130.0,
        "easting": 451111.552,
        "northing": 6512735.8356,
        "existing_z": 256.1536,
        "design_z": 256.598,
        "delta_z": 0.4444
      },
      {
        "ch": 135.1133,
        "easting": 451115.9801,
        "northing": 6512733.2788,
        "existing_z": 256.4638,
        "design_z": 256.7758,
        "delta_z": 0.3121
      },
      {
        "ch": 140.0,
        "easting": 451120.2121,
        "northing": 6512730.8354,
        "existing_z": 256.7524,
        "design_z": 256.9557,
        "delta_z": 0.2033
      },
      {
        "ch": 150.0,
        "easting": 451128.8722,
        "northing": 6512725.8351,
        "existing_z": 257.2897,
        "design_z": 257.3537,
        "delta_z": 0.0639
      },
      {
        "ch": 155.1133,
        "easting": 451133.3004,
        "northing": 6512723.2784,
        "existing_z": 257.5566,
        "design_z": 257.5728,
        "delta_z": 0.0161
      },
      {
        "ch": 160.0,
        "easting": 451137.5324,
        "northing": 6512720.8349,
        "existing_z": 257.8043,
        "design_z": 257.7872,
        "delta_z": -0.0171
      },
      {
        "ch": 170.0,
        "easting": 451146.1925,
        "northing": 6512715.8347,
        "existing_z": 258.2841,
        "design_z": 258.226,
        "delta_z": -0.0581
      },
      {
        "ch": 180.0,
        "easting": 451154.8526,
        "northing": 6512710.8345,
        "existing_z": 258.7407,
        "design_z": 258.6648,
        "delta_z": -0.076
      },
      {
        "ch": 182.6699,
        "easting": 451157.1648,
        "northing": 6512709.4995,
        "existing_z": 258.8569,
        "design_z": 258.7819,
        "delta_z": -0.075
      },
      {
        "ch": 190.0,
        "easting": 451163.5128,
        "northing": 6512705.8343,
        "existing_z": 259.1601,
        "design_z": 259.1012,
        "delta_z": -0.0589
      },
      {
        "ch": 200.0,
        "easting": 451172.1729,
        "northing": 6512700.8341,
        "existing_z": 259.5804,
        "design_z": 259.5293,
        "delta_z": -0.0511
      },
      {
        "ch": 202.6699,
        "easting": 451174.4851,
        "northing": 6512699.4991,
        "existing_z": 259.7018,
        "design_z": 259.6422,
        "delta_z": -0.0596
      },
      {
        "ch": 210.0,
        "easting": 451180.8331,
        "northing": 6512695.8339,
        "existing_z": 260.0283,
        "design_z": 259.9488,
        "delta_z": -0.0795
      },
      {
        "ch": 220.0,
        "easting": 451189.4932,
        "northing": 6512690.8337,
        "existing_z": 260.4584,
        "design_z": 260.3596,
        "delta_z": -0.0989
      },
      {
        "ch": 222.6699,
        "easting": 451191.8054,
        "northing": 6512689.4987,
        "existing_z": 260.5799,
        "design_z": 260.4678,
        "delta_z": -0.1121
      },
      {
        "ch": 230.0,
        "easting": 451198.1533,
        "northing": 6512685.8335,
        "existing_z": 260.9174,
        "design_z": 260.764,
        "delta_z": -0.1534
      },
      {
        "ch": 240.0,
        "easting": 451206.8135,
        "northing": 6512680.8333,
        "existing_z": 261.3672,
        "design_z": 261.1682,
        "delta_z": -0.199
      },
      {
        "ch": 250.0,
        "easting": 451215.4736,
        "northing": 6512675.8331,
        "existing_z": 261.8166,
        "design_z": 261.5723,
        "delta_z": -0.2443
      },
      {
        "ch": 250.2266,
        "easting": 451215.6698,
        "northing": 6512675.7198,
        "existing_z": 261.8268,
        "design_z": 261.5815,
        "delta_z": -0.2452
      },
      {
        "ch": 260.0,
        "easting": 451224.1337,
        "northing": 6512670.8329,
        "existing_z": 262.2556,
        "design_z": 261.94,
        "delta_z": -0.3156
      },
      {
        "ch": 270.0,
        "easting": 451232.7939,
        "northing": 6512665.8327,
        "existing_z": 262.6882,
        "design_z": 262.2312,
        "delta_z": -0.457
      },
      {
        "ch": 270.2266,
        "easting": 451232.9901,
        "northing": 6512665.7194,
        "existing_z": 262.6977,
        "design_z": 262.2369,
        "delta_z": -0.4608
      },
      {
        "ch": 280.0,
        "easting": 451241.454,
        "northing": 6512660.8325,
        "existing_z": 263.0922,
        "design_z": 262.4459,
        "delta_z": -0.6463
      },
      {
        "ch": 290.0,
        "easting": 451250.1141,
        "northing": 6512655.8323,
        "existing_z": 263.4642,
        "design_z": 262.5842,
        "delta_z": -0.88
      },
      {
        "ch": 290.2266,
        "easting": 451250.3103,
        "northing": 6512655.719,
        "existing_z": 263.4704,
        "design_z": 262.5865,
        "delta_z": -0.8839
      },
      {
        "ch": 300.0,
        "easting": 451258.7743,
        "northing": 6512650.8321,
        "existing_z": 263.7077,
        "design_z": 262.6826,
        "delta_z": -1.0251
      },
      {
        "ch": 310.0,
        "easting": 451267.4344,
        "northing": 6512645.8319,
        "existing_z": 263.9027,
        "design_z": 262.7809,
        "delta_z": -1.1218
      },
      {
        "ch": 317.7832,
        "easting": 451274.1748,
        "northing": 6512641.9401,
        "existing_z": 263.9711,
        "design_z": 262.8574,
        "delta_z": -1.1137
      },
      {
        "ch": 320.0,
        "easting": 451276.0945,
        "northing": 6512640.8317,
        "existing_z": 263.9785,
        "design_z": 262.8757,
        "delta_z": -1.1028
      },
      {
        "ch": 330.0,
        "easting": 451284.7547,
        "northing": 6512635.8315,
        "existing_z": 263.9953,
        "design_z": 262.8699,
        "delta_z": -1.1254
      },
      {
        "ch": 337.7832,
        "easting": 451291.495,
        "northing": 6512631.9397,
        "existing_z": 263.9751,
        "design_z": 262.7655,
        "delta_z": -1.2095
      },
      {
        "ch": 340.0,
        "easting": 451293.4148,
        "northing": 6512630.8313,
        "existing_z": 263.9512,
        "design_z": 262.7198,
        "delta_z": -1.2314
      },
      {
        "ch": 350.0,
        "easting": 451302.075,
        "northing": 6512625.831,
        "existing_z": 263.8007,
        "design_z": 262.4254,
        "delta_z": -1.3753
      },
      {
        "ch": 357.7832,
        "easting": 451308.8153,
        "northing": 6512621.9393,
        "existing_z": 263.6335,
        "design_z": 262.0964,
        "delta_z": -1.5371
      },
      {
        "ch": 360.0,
        "easting": 451310.7351,
        "northing": 6512620.8308,
        "existing_z": 263.5557,
        "design_z": 261.9903,
        "delta_z": -1.5654
      },
      {
        "ch": 370.0,
        "easting": 451319.3952,
        "northing": 6512615.8306,
        "existing_z": 262.9933,
        "design_z": 261.5115,
        "delta_z": -1.4819
      },
      {
        "ch": 380.0,
        "easting": 451328.0554,
        "northing": 6512610.8304,
        "existing_z": 262.3483,
        "design_z": 261.0326,
        "delta_z": -1.3157
      },
      {
        "ch": 390.0,
        "easting": 451336.7155,
        "northing": 6512605.8302,
        "existing_z": 261.4181,
        "design_z": 260.5538,
        "delta_z": -0.8643
      },
      {
        "ch": 400.0,
        "easting": 451345.3756,
        "northing": 6512600.83,
        "existing_z": 260.3863,
        "design_z": 260.075,
        "delta_z": -0.3114
      },
      {
        "ch": 405.3398,
        "easting": 451350.0,
        "northing": 6512598.16,
        "existing_z": 259.8193,
        "design_z": 259.8193,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD455",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 65.151,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.12,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          450963.54,
          6512705.82
        ],
        "end": [
          451019.96256320085,
          6512673.244439976
        ],
        "chainage_start": 0,
        "length": 65.1511530905974
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 450963.54,
        "northing": 6512705.82,
        "existing_z": 250.1547,
        "design_z": 250.1547,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 450972.2003,
        "northing": 6512700.82,
        "existing_z": 250.7598,
        "design_z": 250.767,
        "delta_z": 0.0072
      },
      {
        "ch": 20.0,
        "easting": 450980.8605,
        "northing": 6512695.82,
        "existing_z": 251.374,
        "design_z": 251.3793,
        "delta_z": 0.0053
      },
      {
        "ch": 30.0,
        "easting": 450989.5208,
        "northing": 6512690.82,
        "existing_z": 251.9978,
        "design_z": 251.9915,
        "delta_z": -0.0062
      },
      {
        "ch": 40.0,
        "easting": 450998.181,
        "northing": 6512685.82,
        "existing_z": 252.6344,
        "design_z": 252.6038,
        "delta_z": -0.0306
      },
      {
        "ch": 50.0,
        "easting": 451006.8413,
        "northing": 6512680.82,
        "existing_z": 253.2592,
        "design_z": 253.2161,
        "delta_z": -0.0431
      },
      {
        "ch": 60.0,
        "easting": 451015.5015,
        "northing": 6512675.82,
        "existing_z": 253.8486,
        "design_z": 253.8284,
        "delta_z": -0.0202
      },
      {
        "ch": 65.1512,
        "easting": 451019.9626,
        "northing": 6512673.2444,
        "existing_z": 254.1438,
        "design_z": 254.1438,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD456",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 10.0,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 9.95,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451380.0,
          6512700.12
        ],
        "end": [
          451390.0,
          6512700.12
        ],
        "chainage_start": 0,
        "length": 10.0
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451380.0,
        "northing": 6512700.12,
        "existing_z": 262.1418,
        "design_z": 262.1418,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451390.0,
        "northing": 6512700.12,
        "existing_z": 261.147,
        "design_z": 261.147,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD457",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 662.46,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 9.49,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451390.0,
          6512700.12
        ],
        "end": [
          452052.46,
          6512700.12
        ],
        "chainage_start": 0,
        "length": 662.460000000021
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 73.606666666669,
        "pvi_z": 256.2704569485599,
        "bvc": 53.606666666669,
        "evc": 93.606666666669,
        "length": 40.0,
        "g1": -0.06625142050450221,
        "g2": -0.04538391378459648,
        "z_bvc": 257.59548535864997,
        "K_m_per_percent": 19.1685573829688
      },
      {
        "pvi_ch": 147.213333333338,
        "pvi_z": 252.92989833458827,
        "bvc": 127.213333333338,
        "evc": 167.213333333338,
        "length": 40.0,
        "g1": -0.04538391378459648,
        "g2": -0.011268577299963844,
        "z_bvc": 253.8375766102802,
        "K_m_per_percent": 11.724931987119087
      },
      {
        "pvi_ch": 220.82000000000698,
        "pvi_z": 252.10045592146224,
        "bvc": 200.82000000000698,
        "evc": 240.82000000000698,
        "length": 40.0,
        "g1": -0.011268577299963844,
        "g2": 0.023245738642709207,
        "z_bvc": 252.32582746746152,
        "K_m_per_percent": 11.589393823258284
      },
      {
        "pvi_ch": 294.426666666676,
        "pvi_z": 253.81149725715665,
        "bvc": 274.426666666676,
        "evc": 314.426666666676,
        "length": 40.0,
        "g1": 0.023245738642709207,
        "g2": 0.049719102950812534,
        "z_bvc": 253.34658248430247,
        "K_m_per_percent": 15.109526516717127
      },
      {
        "pvi_ch": 368.033333333345,
        "pvi_z": 257.4711546950229,
        "bvc": 348.033333333345,
        "evc": 388.033333333345,
        "length": 40.0,
        "g1": 0.049719102950812534,
        "g2": 0.06839646590365797,
        "z_bvc": 256.4767726360067,
        "K_m_per_percent": 21.416299560589803
      },
      {
        "pvi_ch": 441.64000000001397,
        "pvi_z": 262.50559056197164,
        "bvc": 421.64000000001397,
        "evc": 461.64000000001397,
        "length": 40.0,
        "g1": 0.06839646590365797,
        "g2": 0.03657309231686525,
        "z_bvc": 261.1376612438985,
        "K_m_per_percent": 12.56937762770718
      },
      {
        "pvi_ch": 515.246666666683,
        "pvi_z": 265.19761397710846,
        "bvc": 488.96960219319067,
        "evc": 541.5237311401754,
        "length": 52.554128946984804,
        "g1": 0.03657309231686525,
        "g2": -0.05101712259477609,
        "z_bvc": 264.2365804723032,
        "K_m_per_percent": 6.0
      },
      {
        "pvi_ch": 588.853333333352,
        "pvi_z": 261.4424136399822,
        "bvc": 568.853333333352,
        "evc": 608.853333333352,
        "length": 40.0,
        "g1": -0.05101712259477609,
        "g2": -0.09486479826534615,
        "z_bvc": 262.46275609187774,
        "K_m_per_percent": 9.122490391628087
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451390.0,
        "northing": 6512700.12,
        "existing_z": 261.147,
        "design_z": 261.147,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451400.0,
        "northing": 6512700.12,
        "existing_z": 260.2093,
        "design_z": 260.4845,
        "delta_z": 0.2752
      },
      {
        "ch": 20.0,
        "easting": 451410.0,
        "northing": 6512700.12,
        "existing_z": 259.2716,
        "design_z": 259.822,
        "delta_z": 0.5504
      },
      {
        "ch": 30.0,
        "easting": 451420.0,
        "northing": 6512700.12,
        "existing_z": 258.5156,
        "design_z": 259.1595,
        "delta_z": 0.6439
      },
      {
        "ch": 40.0,
        "easting": 451430.0,
        "northing": 6512700.12,
        "existing_z": 257.7595,
        "design_z": 258.4969,
        "delta_z": 0.7374
      },
      {
        "ch": 50.0,
        "easting": 451440.0,
        "northing": 6512700.12,
        "existing_z": 257.1929,
        "design_z": 257.8344,
        "delta_z": 0.6415
      },
      {
        "ch": 53.6067,
        "easting": 451443.6067,
        "northing": 6512700.12,
        "existing_z": 256.9886,
        "design_z": 257.5955,
        "delta_z": 0.6069
      },
      {
        "ch": 60.0,
        "easting": 451450.0,
        "northing": 6512700.12,
        "existing_z": 256.6263,
        "design_z": 257.1826,
        "delta_z": 0.5563
      },
      {
        "ch": 70.0,
        "easting": 451460.0,
        "northing": 6512700.12,
        "existing_z": 256.1699,
        "design_z": 256.5795,
        "delta_z": 0.4096
      },
      {
        "ch": 73.6067,
        "easting": 451463.6067,
        "northing": 6512700.12,
        "existing_z": 256.0053,
        "design_z": 256.3748,
        "delta_z": 0.3695
      },
      {
        "ch": 80.0,
        "easting": 451470.0,
        "northing": 6512700.12,
        "existing_z": 255.7135,
        "design_z": 256.0286,
        "delta_z": 0.3151
      },
      {
        "ch": 90.0,
        "easting": 451480.0,
        "northing": 6512700.12,
        "existing_z": 255.2577,
        "design_z": 255.5299,
        "delta_z": 0.2721
      },
      {
        "ch": 93.6067,
        "easting": 451483.6067,
        "northing": 6512700.12,
        "existing_z": 255.0934,
        "design_z": 255.3628,
        "delta_z": 0.2694
      },
      {
        "ch": 100.0,
        "easting": 451490.0,
        "northing": 6512700.12,
        "existing_z": 254.802,
        "design_z": 255.0726,
        "delta_z": 0.2707
      },
      {
        "ch": 110.0,
        "easting": 451500.0,
        "northing": 6512700.12,
        "existing_z": 254.282,
        "design_z": 254.6188,
        "delta_z": 0.3368
      },
      {
        "ch": 120.0,
        "easting": 451510.0,
        "northing": 6512700.12,
        "existing_z": 253.762,
        "design_z": 254.1649,
        "delta_z": 0.403
      },
      {
        "ch": 127.2133,
        "easting": 451517.2133,
        "northing": 6512700.12,
        "existing_z": 253.3921,
        "design_z": 253.8376,
        "delta_z": 0.4455
      },
      {
        "ch": 130.0,
        "easting": 451520.0,
        "northing": 6512700.12,
        "existing_z": 253.2491,
        "design_z": 253.7144,
        "delta_z": 0.4653
      },
      {
        "ch": 140.0,
        "easting": 451530.0,
        "northing": 6512700.12,
        "existing_z": 252.7363,
        "design_z": 253.327,
        "delta_z": 0.5907
      },
      {
        "ch": 147.2133,
        "easting": 451537.2133,
        "northing": 6512700.12,
        "existing_z": 252.4538,
        "design_z": 253.1005,
        "delta_z": 0.6467
      },
      {
        "ch": 150.0,
        "easting": 451540.0,
        "northing": 6512700.12,
        "existing_z": 252.3446,
        "design_z": 253.0249,
        "delta_z": 0.6802
      },
      {
        "ch": 160.0,
        "easting": 451550.0,
        "northing": 6512700.12,
        "existing_z": 251.9529,
        "design_z": 252.808,
        "delta_z": 0.8551
      },
      {
        "ch": 167.2133,
        "easting": 451557.2133,
        "northing": 6512700.12,
        "existing_z": 251.8039,
        "design_z": 252.7045,
        "delta_z": 0.9006
      },
      {
        "ch": 170.0,
        "easting": 451560.0,
        "northing": 6512700.12,
        "existing_z": 251.7464,
        "design_z": 252.6731,
        "delta_z": 0.9268
      },
      {
        "ch": 180.0,
        "easting": 451570.0,
        "northing": 6512700.12,
        "existing_z": 251.5398,
        "design_z": 252.5604,
        "delta_z": 1.0206
      },
      {
        "ch": 190.0,
        "easting": 451580.0,
        "northing": 6512700.12,
        "existing_z": 251.5028,
        "design_z": 252.4478,
        "delta_z": 0.945
      },
      {
        "ch": 200.0,
        "easting": 451590.0,
        "northing": 6512700.12,
        "existing_z": 251.4657,
        "design_z": 252.3351,
        "delta_z": 0.8693
      },
      {
        "ch": 200.82,
        "easting": 451590.82,
        "northing": 6512700.12,
        "existing_z": 251.4719,
        "design_z": 252.3258,
        "delta_z": 0.8539
      },
      {
        "ch": 210.0,
        "easting": 451600.0,
        "northing": 6512700.12,
        "existing_z": 251.541,
        "design_z": 252.2587,
        "delta_z": 0.7177
      },
      {
        "ch": 220.0,
        "easting": 451610.0,
        "northing": 6512700.12,
        "existing_z": 251.6163,
        "design_z": 252.2684,
        "delta_z": 0.6521
      },
      {
        "ch": 220.82,
        "easting": 451610.82,
        "northing": 6512700.12,
        "existing_z": 251.6277,
        "design_z": 252.273,
        "delta_z": 0.6453
      },
      {
        "ch": 230.0,
        "easting": 451620.0,
        "northing": 6512700.12,
        "existing_z": 251.7559,
        "design_z": 252.3644,
        "delta_z": 0.6085
      },
      {
        "ch": 240.0,
        "easting": 451630.0,
        "northing": 6512700.12,
        "existing_z": 251.8955,
        "design_z": 252.5466,
        "delta_z": 0.6511
      },
      {
        "ch": 240.82,
        "easting": 451630.82,
        "northing": 6512700.12,
        "existing_z": 251.9131,
        "design_z": 252.5654,
        "delta_z": 0.6523
      },
      {
        "ch": 250.0,
        "easting": 451640.0,
        "northing": 6512700.12,
        "existing_z": 252.1102,
        "design_z": 252.7788,
        "delta_z": 0.6686
      },
      {
        "ch": 260.0,
        "easting": 451650.0,
        "northing": 6512700.12,
        "existing_z": 252.3249,
        "design_z": 253.0112,
        "delta_z": 0.6864
      },
      {
        "ch": 270.0,
        "easting": 451660.0,
        "northing": 6512700.12,
        "existing_z": 252.6321,
        "design_z": 253.2437,
        "delta_z": 0.6116
      },
      {
        "ch": 274.4267,
        "easting": 451664.4267,
        "northing": 6512700.12,
        "existing_z": 252.7681,
        "design_z": 253.3466,
        "delta_z": 0.5785
      },
      {
        "ch": 280.0,
        "easting": 451670.0,
        "northing": 6512700.12,
        "existing_z": 252.9393,
        "design_z": 253.4864,
        "delta_z": 0.5471
      },
      {
        "ch": 290.0,
        "easting": 451680.0,
        "northing": 6512700.12,
        "existing_z": 253.3313,
        "design_z": 253.7889,
        "delta_z": 0.4576
      },
      {
        "ch": 294.4267,
        "easting": 451684.4267,
        "northing": 6512700.12,
        "existing_z": 253.5048,
        "design_z": 253.9439,
        "delta_z": 0.4391
      },
      {
        "ch": 300.0,
        "easting": 451690.0,
        "northing": 6512700.12,
        "existing_z": 253.7232,
        "design_z": 254.1575,
        "delta_z": 0.4343
      },
      {
        "ch": 310.0,
        "easting": 451700.0,
        "northing": 6512700.12,
        "existing_z": 254.145,
        "design_z": 254.5923,
        "delta_z": 0.4473
      },
      {
        "ch": 314.4267,
        "easting": 451704.4267,
        "northing": 6512700.12,
        "existing_z": 254.3317,
        "design_z": 254.8059,
        "delta_z": 0.4742
      },
      {
        "ch": 320.0,
        "easting": 451710.0,
        "northing": 6512700.12,
        "existing_z": 254.5667,
        "design_z": 255.083,
        "delta_z": 0.5162
      },
      {
        "ch": 330.0,
        "easting": 451720.0,
        "northing": 6512700.12,
        "existing_z": 255.0327,
        "design_z": 255.5802,
        "delta_z": 0.5474
      },
      {
        "ch": 340.0,
        "easting": 451730.0,
        "northing": 6512700.12,
        "existing_z": 255.4987,
        "design_z": 256.0774,
        "delta_z": 0.5786
      },
      {
        "ch": 348.0333,
        "easting": 451738.0333,
        "northing": 6512700.12,
        "existing_z": 255.9337,
        "design_z": 256.4768,
        "delta_z": 0.5431
      },
      {
        "ch": 350.0,
        "easting": 451740.0,
        "northing": 6512700.12,
        "existing_z": 256.0401,
        "design_z": 256.5755,
        "delta_z": 0.5353
      },
      {
        "ch": 360.0,
        "easting": 451750.0,
        "northing": 6512700.12,
        "existing_z": 256.5815,
        "design_z": 257.1052,
        "delta_z": 0.5236
      },
      {
        "ch": 368.0333,
        "easting": 451758.0333,
        "northing": 6512700.12,
        "existing_z": 257.1063,
        "design_z": 257.5645,
        "delta_z": 0.4582
      },
      {
        "ch": 370.0,
        "easting": 451760.0,
        "northing": 6512700.12,
        "existing_z": 257.2348,
        "design_z": 257.6816,
        "delta_z": 0.4468
      },
      {
        "ch": 380.0,
        "easting": 451770.0,
        "northing": 6512700.12,
        "existing_z": 257.888,
        "design_z": 258.3047,
        "delta_z": 0.4167
      },
      {
        "ch": 388.0333,
        "easting": 451778.0333,
        "northing": 6512700.12,
        "existing_z": 258.5071,
        "design_z": 258.8391,
        "delta_z": 0.332
      },
      {
        "ch": 390.0,
        "easting": 451780.0,
        "northing": 6512700.12,
        "existing_z": 258.6586,
        "design_z": 258.9736,
        "delta_z": 0.315
      },
      {
        "ch": 400.0,
        "easting": 451790.0,
        "northing": 6512700.12,
        "existing_z": 259.4292,
        "design_z": 259.6576,
        "delta_z": 0.2284
      },
      {
        "ch": 410.0,
        "easting": 451800.0,
        "northing": 6512700.12,
        "existing_z": 260.256,
        "design_z": 260.3415,
        "delta_z": 0.0856
      },
      {
        "ch": 420.0,
        "easting": 451810.0,
        "northing": 6512700.12,
        "existing_z": 261.0827,
        "design_z": 261.0255,
        "delta_z": -0.0572
      },
      {
        "ch": 421.64,
        "easting": 451811.64,
        "northing": 6512700.12,
        "existing_z": 261.2169,
        "design_z": 261.1377,
        "delta_z": -0.0792
      },
      {
        "ch": 430.0,
        "easting": 451820.0,
        "northing": 6512700.12,
        "existing_z": 261.9009,
        "design_z": 261.6817,
        "delta_z": -0.2192
      },
      {
        "ch": 440.0,
        "easting": 451830.0,
        "northing": 6512700.12,
        "existing_z": 262.7191,
        "design_z": 262.2593,
        "delta_z": -0.4598
      },
      {
        "ch": 441.64,
        "easting": 451831.64,
        "northing": 6512700.12,
        "existing_z": 262.8485,
        "design_z": 262.3465,
        "delta_z": -0.502
      },
      {
        "ch": 450.0,
        "easting": 451840.0,
        "northing": 6512700.12,
        "existing_z": 263.5082,
        "design_z": 262.7574,
        "delta_z": -0.7508
      },
      {
        "ch": 460.0,
        "easting": 451850.0,
        "northing": 6512700.12,
        "existing_z": 264.2973,
        "design_z": 263.176,
        "delta_z": -1.1213
      },
      {
        "ch": 461.64,
        "easting": 451851.64,
        "northing": 6512700.12,
        "existing_z": 264.4131,
        "design_z": 263.2371,
        "delta_z": -1.1761
      },
      {
        "ch": 470.0,
        "easting": 451860.0,
        "northing": 6512700.12,
        "existing_z": 265.0037,
        "design_z": 263.5428,
        "delta_z": -1.4609
      },
      {
        "ch": 480.0,
        "easting": 451870.0,
        "northing": 6512700.12,
        "existing_z": 265.7101,
        "design_z": 263.9085,
        "delta_z": -1.8016
      },
      {
        "ch": 488.9696,
        "easting": 451878.9696,
        "northing": 6512700.12,
        "existing_z": 266.1146,
        "design_z": 264.2366,
        "delta_z": -1.878
      },
      {
        "ch": 490.0,
        "easting": 451880.0,
        "northing": 6512700.12,
        "existing_z": 266.1611,
        "design_z": 264.2734,
        "delta_z": -1.8877
      },
      {
        "ch": 500.0,
        "easting": 451890.0,
        "northing": 6512700.12,
        "existing_z": 266.612,
        "design_z": 264.5386,
        "delta_z": -2.0734
      },
      {
        "ch": 510.0,
        "easting": 451900.0,
        "northing": 6512700.12,
        "existing_z": 266.6557,
        "design_z": 264.6372,
        "delta_z": -2.0185
      },
      {
        "ch": 515.2467,
        "easting": 451905.2467,
        "northing": 6512700.12,
        "existing_z": 266.6786,
        "design_z": 264.6222,
        "delta_z": -2.0563
      },
      {
        "ch": 520.0,
        "easting": 451910.0,
        "northing": 6512700.12,
        "existing_z": 266.6993,
        "design_z": 264.5691,
        "delta_z": -2.1302
      },
      {
        "ch": 530.0,
        "easting": 451920.0,
        "northing": 6512700.12,
        "existing_z": 266.3373,
        "design_z": 264.3343,
        "delta_z": -2.003
      },
      {
        "ch": 540.0,
        "easting": 451930.0,
        "northing": 6512700.12,
        "existing_z": 265.9753,
        "design_z": 263.9328,
        "delta_z": -2.0425
      },
      {
        "ch": 541.5237,
        "easting": 451931.5237,
        "northing": 6512700.12,
        "existing_z": 265.8579,
        "design_z": 263.857,
        "delta_z": -2.0009
      },
      {
        "ch": 550.0,
        "easting": 451940.0,
        "northing": 6512700.12,
        "existing_z": 265.2051,
        "design_z": 263.4246,
        "delta_z": -1.7805
      },
      {
        "ch": 560.0,
        "easting": 451950.0,
        "northing": 6512700.12,
        "existing_z": 264.4349,
        "design_z": 262.9144,
        "delta_z": -1.5204
      },
      {
        "ch": 568.8533,
        "easting": 451958.8533,
        "northing": 6512700.12,
        "existing_z": 263.661,
        "design_z": 262.4628,
        "delta_z": -1.1983
      },
      {
        "ch": 570.0,
        "easting": 451960.0,
        "northing": 6512700.12,
        "existing_z": 263.5608,
        "design_z": 262.4035,
        "delta_z": -1.1573
      },
      {
        "ch": 580.0,
        "easting": 451970.0,
        "northing": 6512700.12,
        "existing_z": 262.6868,
        "design_z": 261.826,
        "delta_z": -0.8608
      },
      {
        "ch": 588.8533,
        "easting": 451978.8533,
        "northing": 6512700.12,
        "existing_z": 261.8995,
        "design_z": 261.2232,
        "delta_z": -0.6763
      },
      {
        "ch": 590.0,
        "easting": 451980.0,
        "northing": 6512700.12,
        "existing_z": 261.7975,
        "design_z": 261.1388,
        "delta_z": -0.6587
      },
      {
        "ch": 600.0,
        "easting": 451990.0,
        "northing": 6512700.12,
        "existing_z": 260.9082,
        "design_z": 260.342,
        "delta_z": -0.5662
      },
      {
        "ch": 608.8533,
        "easting": 451998.8533,
        "northing": 6512700.12,
        "existing_z": 260.0509,
        "design_z": 259.5451,
        "delta_z": -0.5058
      },
      {
        "ch": 610.0,
        "easting": 452000.0,
        "northing": 6512700.12,
        "existing_z": 259.9399,
        "design_z": 259.4363,
        "delta_z": -0.5035
      },
      {
        "ch": 620.0,
        "easting": 452010.0,
        "northing": 6512700.12,
        "existing_z": 258.9715,
        "design_z": 258.4877,
        "delta_z": -0.4838
      },
      {
        "ch": 630.0,
        "easting": 452020.0,
        "northing": 6512700.12,
        "existing_z": 257.8977,
        "design_z": 257.539,
        "delta_z": -0.3587
      },
      {
        "ch": 640.0,
        "easting": 452030.0,
        "northing": 6512700.12,
        "existing_z": 256.824,
        "design_z": 256.5904,
        "delta_z": -0.2336
      },
      {
        "ch": 650.0,
        "easting": 452040.0,
        "northing": 6512700.12,
        "existing_z": 255.764,
        "design_z": 255.6417,
        "delta_z": -0.1223
      },
      {
        "ch": 660.0,
        "easting": 452050.0,
        "northing": 6512700.12,
        "existing_z": 254.7041,
        "design_z": 254.6931,
        "delta_z": -0.011
      },
      {
        "ch": 662.46,
        "easting": 452052.46,
        "northing": 6512700.12,
        "existing_z": 254.4597,
        "design_z": 254.4597,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD458",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 19.712,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.05,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451390.0,
          6512700.12
        ],
        "end": [
          451390.0,
          6512705.8504
        ],
        "chainage_start": 0,
        "length": 5.730399999767542
      },
      {
        "type": "ARC",
        "centre": [
          451388.266488457,
          6512705.8504
        ],
        "radius": 1.7335115430449282,
        "start_angle_rad": 0.0,
        "sweep_rad": 2.350158346192973,
        "start": [
          451390.0,
          6512705.8504
        ],
        "end": [
          451387.04813194636,
          6512707.083554363
        ],
        "chainage_start": 5.730399999767542,
        "length": 4.074026621108897,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451387.04813194636,
          6512707.083554363
        ],
        "end": [
          451380.0,
          6512700.12
        ],
        "chainage_start": 9.804426620876438,
        "length": 9.907938902540446
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451390.0,
        "northing": 6512700.12,
        "existing_z": 261.147,
        "design_z": 261.147,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451386.909,
        "northing": 6512706.9461,
        "existing_z": 261.8067,
        "design_z": 261.6517,
        "delta_z": -0.1551
      },
      {
        "ch": 19.7124,
        "easting": 451380.0,
        "northing": 6512700.12,
        "existing_z": 262.1418,
        "design_z": 262.1418,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD459",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 217.314,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.74,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451232.7918962032,
          6512781.303284603
        ],
        "end": [
          451313.62815711735,
          6512734.630272125
        ],
        "chainage_start": 0,
        "length": 93.3427617567636
      },
      {
        "type": "ARC",
        "centre": [
          451292.6277278739,
          6512698.258157117
        ],
        "radius": 41.99939021630359,
        "start_angle_rad": 1.0471773672990676,
        "sweep_rad": -1.5707888450724914,
        "start": [
          451313.62815711735,
          6512734.630272125
        ],
        "end": [
          451329.0,
          6512677.258
        ],
        "chainage_start": 93.3427617567636,
        "length": 65.9721736516164,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451328.99999999994,
          6512677.258
        ],
        "end": [
          451300.0,
          6512627.03
        ],
        "chainage_start": 159.31493540838,
        "length": 57.998723986037824
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 72.43788646480594,
        "pvi_z": 264.9018771870067,
        "bvc": 52.43788646480594,
        "evc": 92.43788646480594,
        "length": 40.0,
        "g1": 0.03737826180197042,
        "g2": 0.0009815138502064949,
        "z_bvc": 264.15431195096727,
        "K_m_per_percent": 10.989992856782537
      },
      {
        "pvi_ch": 144.87577292961188,
        "pvi_z": 264.97297597585157,
        "bvc": 124.87577292961188,
        "evc": 164.87577292961188,
        "length": 40.0,
        "g1": 0.0009815138502064949,
        "g2": -0.015592677936613505,
        "z_bvc": 264.95334569884744,
        "K_m_per_percent": 24.13390680793768
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451232.7919,
        "northing": 6512781.3033,
        "existing_z": 262.1943,
        "design_z": 262.1943,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451241.452,
        "northing": 6512776.3031,
        "existing_z": 262.793,
        "design_z": 262.5681,
        "delta_z": -0.2249
      },
      {
        "ch": 20.0,
        "easting": 451250.1122,
        "northing": 6512771.3029,
        "existing_z": 263.3779,
        "design_z": 262.9418,
        "delta_z": -0.436
      },
      {
        "ch": 30.0,
        "easting": 451258.7724,
        "northing": 6512766.3028,
        "existing_z": 263.9063,
        "design_z": 263.3156,
        "delta_z": -0.5907
      },
      {
        "ch": 40.0,
        "easting": 451267.4325,
        "northing": 6512761.3026,
        "existing_z": 264.3971,
        "design_z": 263.6894,
        "delta_z": -0.7077
      },
      {
        "ch": 50.0,
        "easting": 451276.0927,
        "northing": 6512756.3024,
        "existing_z": 264.8051,
        "design_z": 264.0632,
        "delta_z": -0.7419
      },
      {
        "ch": 52.4379,
        "easting": 451278.2039,
        "northing": 6512755.0834,
        "existing_z": 264.8944,
        "design_z": 264.1543,
        "delta_z": -0.7401
      },
      {
        "ch": 60.0,
        "easting": 451284.7528,
        "northing": 6512751.3022,
        "existing_z": 265.1593,
        "design_z": 264.411,
        "delta_z": -0.7484
      },
      {
        "ch": 70.0,
        "easting": 451293.413,
        "northing": 6512746.3021,
        "existing_z": 265.474,
        "design_z": 264.6704,
        "delta_z": -0.8036
      },
      {
        "ch": 72.4379,
        "easting": 451295.5242,
        "northing": 6512745.0831,
        "existing_z": 265.5348,
        "design_z": 264.7199,
        "delta_z": -0.8149
      },
      {
        "ch": 80.0,
        "easting": 451302.0731,
        "northing": 6512741.3019,
        "existing_z": 265.7239,
        "design_z": 264.8389,
        "delta_z": -0.885
      },
      {
        "ch": 90.0,
        "easting": 451310.7333,
        "northing": 6512736.3017,
        "existing_z": 265.9535,
        "design_z": 264.9164,
        "delta_z": -1.0371
      },
      {
        "ch": 92.4379,
        "easting": 451312.8445,
        "northing": 6512735.0827,
        "existing_z": 265.9514,
        "design_z": 264.9215,
        "delta_z": -1.0299
      },
      {
        "ch": 100.0,
        "easting": 451319.1061,
        "northing": 6512730.8595,
        "existing_z": 265.9323,
        "design_z": 264.9289,
        "delta_z": -1.0034
      },
      {
        "ch": 110.0,
        "easting": 451326.0483,
        "northing": 6512723.6947,
        "existing_z": 265.9015,
        "design_z": 264.9387,
        "delta_z": -0.9628
      },
      {
        "ch": 120.0,
        "easting": 451331.1047,
        "northing": 6512715.0947,
        "existing_z": 265.7953,
        "design_z": 264.9486,
        "delta_z": -0.8468
      },
      {
        "ch": 124.8758,
        "easting": 451332.7959,
        "northing": 6512710.5245,
        "existing_z": 265.6815,
        "design_z": 264.9533,
        "delta_z": -0.7281
      },
      {
        "ch": 130.0,
        "easting": 451333.9902,
        "northing": 6512705.5447,
        "existing_z": 265.5167,
        "design_z": 264.9529,
        "delta_z": -0.5637
      },
      {
        "ch": 140.0,
        "easting": 451334.5419,
        "northing": 6512695.5835,
        "existing_z": 265.2317,
        "design_z": 264.9208,
        "delta_z": -0.3109
      },
      {
        "ch": 144.8758,
        "easting": 451333.9499,
        "northing": 6512690.7466,
        "existing_z": 265.1296,
        "design_z": 264.8901,
        "delta_z": -0.2395
      },
      {
        "ch": 150.0,
        "easting": 451332.7286,
        "northing": 6512685.7733,
        "existing_z": 265.0058,
        "design_z": 264.8472,
        "delta_z": -0.1586
      },
      {
        "ch": 160.0,
        "easting": 451328.6575,
        "northing": 6512676.6647,
        "existing_z": 264.801,
        "design_z": 264.7322,
        "delta_z": -0.0688
      },
      {
        "ch": 164.8758,
        "easting": 451326.2195,
        "northing": 6512672.4422,
        "existing_z": 264.6532,
        "design_z": 264.6611,
        "delta_z": 0.0079
      },
      {
        "ch": 170.0,
        "easting": 451323.6574,
        "northing": 6512668.0045,
        "existing_z": 264.5014,
        "design_z": 264.5812,
        "delta_z": 0.0798
      },
      {
        "ch": 180.0,
        "easting": 451318.6572,
        "northing": 6512659.3443,
        "existing_z": 264.24,
        "design_z": 264.4253,
        "delta_z": 0.1853
      },
      {
        "ch": 190.0,
        "easting": 451313.6571,
        "northing": 6512650.6841,
        "existing_z": 264.0374,
        "design_z": 264.2694,
        "delta_z": 0.232
      },
      {
        "ch": 200.0,
        "easting": 451308.657,
        "northing": 6512642.024,
        "existing_z": 263.9643,
        "design_z": 264.1134,
        "delta_z": 0.1492
      },
      {
        "ch": 210.0,
        "easting": 451303.6569,
        "northing": 6512633.3638,
        "existing_z": 263.8824,
        "design_z": 263.9575,
        "delta_z": 0.0751
      },
      {
        "ch": 217.3137,
        "easting": 451300.0,
        "northing": 6512627.03,
        "existing_z": 263.8435,
        "design_z": 263.8435,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD460",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 100.0,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 4.44,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451380.0,
          6512700.12
        ],
        "end": [
          451380.0,
          6512800.12
        ],
        "chainage_start": 0,
        "length": 100.0
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 50.0,
        "pvi_z": 264.34763424506764,
        "bvc": 30.0,
        "evc": 70.0,
        "length": 40.0,
        "g1": 0.04411638119041527,
        "g2": 0.044432813145522235,
        "z_bvc": 263.46530662125934,
        "K_m_per_percent": 1264.0948347482367
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451380.0,
        "northing": 6512700.12,
        "existing_z": 262.1418,
        "design_z": 262.1418,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451380.0,
        "northing": 6512710.12,
        "existing_z": 262.6322,
        "design_z": 262.583,
        "delta_z": -0.0492
      },
      {
        "ch": 20.0,
        "easting": 451380.0,
        "northing": 6512720.12,
        "existing_z": 263.0689,
        "design_z": 263.0241,
        "delta_z": -0.0448
      },
      {
        "ch": 30.0,
        "easting": 451380.0,
        "northing": 6512730.12,
        "existing_z": 263.5055,
        "design_z": 263.4653,
        "delta_z": -0.0402
      },
      {
        "ch": 40.0,
        "easting": 451380.0,
        "northing": 6512740.12,
        "existing_z": 263.9244,
        "design_z": 263.9069,
        "delta_z": -0.0175
      },
      {
        "ch": 50.0,
        "easting": 451380.0,
        "northing": 6512750.12,
        "existing_z": 264.3436,
        "design_z": 264.3492,
        "delta_z": 0.0056
      },
      {
        "ch": 60.0,
        "easting": 451380.0,
        "northing": 6512760.12,
        "existing_z": 264.7878,
        "design_z": 264.7924,
        "delta_z": 0.0045
      },
      {
        "ch": 70.0,
        "easting": 451380.0,
        "northing": 6512770.12,
        "existing_z": 265.2323,
        "design_z": 265.2363,
        "delta_z": 0.004
      },
      {
        "ch": 80.0,
        "easting": 451380.0,
        "northing": 6512780.12,
        "existing_z": 265.6964,
        "design_z": 265.6806,
        "delta_z": -0.0157
      },
      {
        "ch": 90.0,
        "easting": 451380.0,
        "northing": 6512790.12,
        "existing_z": 266.1598,
        "design_z": 266.1249,
        "delta_z": -0.0348
      },
      {
        "ch": 100.0,
        "easting": 451380.0,
        "northing": 6512800.12,
        "existing_z": 266.5693,
        "design_z": 266.5693,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD461",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 65.151,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 6.53,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451176.37,
          6512813.88
        ],
        "end": [
          451232.7918962032,
          6512781.303284603
        ],
        "chainage_start": 0,
        "length": 65.15115315327931
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451176.37,
        "northing": 6512813.88,
        "existing_z": 257.94,
        "design_z": 257.94,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451185.0302,
        "northing": 6512808.8798,
        "existing_z": 258.6466,
        "design_z": 258.593,
        "delta_z": -0.0537
      },
      {
        "ch": 20.0,
        "easting": 451193.6903,
        "northing": 6512803.8797,
        "existing_z": 259.3398,
        "design_z": 259.246,
        "delta_z": -0.0939
      },
      {
        "ch": 30.0,
        "easting": 451202.3505,
        "northing": 6512798.8795,
        "existing_z": 260.0035,
        "design_z": 259.8989,
        "delta_z": -0.1046
      },
      {
        "ch": 40.0,
        "easting": 451211.0106,
        "northing": 6512793.8793,
        "existing_z": 260.6581,
        "design_z": 260.5519,
        "delta_z": -0.1062
      },
      {
        "ch": 50.0,
        "easting": 451219.6708,
        "northing": 6512788.8791,
        "existing_z": 261.2777,
        "design_z": 261.2049,
        "delta_z": -0.0728
      },
      {
        "ch": 60.0,
        "easting": 451228.3309,
        "northing": 6512783.879,
        "existing_z": 261.8828,
        "design_z": 261.8579,
        "delta_z": -0.0249
      },
      {
        "ch": 65.1512,
        "easting": 451232.7919,
        "northing": 6512781.3033,
        "existing_z": 262.1943,
        "design_z": 262.1943,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD462",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 619.6,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 11.64,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451380.0,
          6512800.12
        ],
        "end": [
          451999.6,
          6512800.12
        ],
        "chainage_start": 0,
        "length": 619.5999999999767
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 77.44999999999709,
        "pvi_z": 261.18941100684003,
        "bvc": 57.44999999999709,
        "evc": 97.44999999999709,
        "length": 40.0,
        "g1": -0.06946241311173557,
        "g2": -0.05406533350970469,
        "z_bvc": 262.57865926907476,
        "K_m_per_percent": 25.978952524687863
      },
      {
        "pvi_ch": 154.89999999999418,
        "pvi_z": 257.00205092651356,
        "bvc": 134.89999999999418,
        "evc": 174.89999999999418,
        "length": 40.0,
        "g1": -0.05406533350970469,
        "g2": -0.03241630811717824,
        "z_bvc": 258.08335759670763,
        "K_m_per_percent": 18.47658232864772
      },
      {
        "pvi_ch": 232.34999999999127,
        "pvi_z": 254.4914078628382,
        "bvc": 212.34999999999127,
        "evc": 252.34999999999127,
        "length": 40.0,
        "g1": -0.03241630811717824,
        "g2": 0.003200443311475259,
        "z_bvc": 255.13973402518175,
        "K_m_per_percent": 11.230670511915415
      },
      {
        "pvi_ch": 309.79999999998836,
        "pvi_z": 254.73928219731195,
        "bvc": 289.79999999998836,
        "evc": 329.79999999998836,
        "length": 40.0,
        "g1": 0.003200443311475259,
        "g2": 0.05324340289532598,
        "z_bvc": 254.67527333108245,
        "K_m_per_percent": 7.9931323671968295
      },
      {
        "pvi_ch": 387.24999999998545,
        "pvi_z": 258.8629837515548,
        "bvc": 367.24999999998545,
        "evc": 407.24999999998545,
        "length": 40.0,
        "g1": 0.05324340289532598,
        "g2": 0.09622641330610622,
        "z_bvc": 257.7981156936483,
        "K_m_per_percent": 9.30600244555414
      },
      {
        "pvi_ch": 464.69999999998254,
        "pvi_z": 266.31571946211244,
        "bvc": 444.69999999998254,
        "evc": 484.69999999998254,
        "length": 40.0,
        "g1": 0.09622641330610622,
        "g2": 0.0355062608040668,
        "z_bvc": 264.3911911959903,
        "K_m_per_percent": 6.587598738105362
      },
      {
        "pvi_ch": 542.1499999999796,
        "pvi_z": 269.0656793613873,
        "bvc": 507.2974999999809,
        "evc": 577.0024999999783,
        "length": 69.70499999999738,
        "g1": 0.0355062608040668,
        "g2": -0.11641527379131891,
        "z_bvc": 267.8281974067136,
        "K_m_per_percent": 4.588223794977024
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451380.0,
        "northing": 6512800.12,
        "existing_z": 266.5693,
        "design_z": 266.5693,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451390.0,
        "northing": 6512800.12,
        "existing_z": 265.6917,
        "design_z": 265.8747,
        "delta_z": 0.183
      },
      {
        "ch": 20.0,
        "easting": 451400.0,
        "northing": 6512800.12,
        "existing_z": 264.8157,
        "design_z": 265.18,
        "delta_z": 0.3644
      },
      {
        "ch": 30.0,
        "easting": 451410.0,
        "northing": 6512800.12,
        "existing_z": 263.9397,
        "design_z": 264.4854,
        "delta_z": 0.5457
      },
      {
        "ch": 40.0,
        "easting": 451420.0,
        "northing": 6512800.12,
        "existing_z": 263.2401,
        "design_z": 263.7908,
        "delta_z": 0.5507
      },
      {
        "ch": 50.0,
        "easting": 451430.0,
        "northing": 6512800.12,
        "existing_z": 262.5406,
        "design_z": 263.0962,
        "delta_z": 0.5556
      },
      {
        "ch": 57.45,
        "easting": 451437.45,
        "northing": 6512800.12,
        "existing_z": 262.105,
        "design_z": 262.5787,
        "delta_z": 0.4736
      },
      {
        "ch": 60.0,
        "easting": 451440.0,
        "northing": 6512800.12,
        "existing_z": 261.956,
        "design_z": 262.4028,
        "delta_z": 0.4468
      },
      {
        "ch": 70.0,
        "easting": 451450.0,
        "northing": 6512800.12,
        "existing_z": 261.3714,
        "design_z": 261.7372,
        "delta_z": 0.3659
      },
      {
        "ch": 77.45,
        "easting": 451457.45,
        "northing": 6512800.12,
        "existing_z": 260.9652,
        "design_z": 261.2664,
        "delta_z": 0.3012
      },
      {
        "ch": 80.0,
        "easting": 451460.0,
        "northing": 6512800.12,
        "existing_z": 260.8262,
        "design_z": 261.1102,
        "delta_z": 0.2839
      },
      {
        "ch": 90.0,
        "easting": 451470.0,
        "northing": 6512800.12,
        "existing_z": 260.2811,
        "design_z": 260.5216,
        "delta_z": 0.2405
      },
      {
        "ch": 97.45,
        "easting": 451477.45,
        "northing": 6512800.12,
        "existing_z": 259.8793,
        "design_z": 260.1081,
        "delta_z": 0.2288
      },
      {
        "ch": 100.0,
        "easting": 451480.0,
        "northing": 6512800.12,
        "existing_z": 259.7418,
        "design_z": 259.9702,
        "delta_z": 0.2284
      },
      {
        "ch": 110.0,
        "easting": 451490.0,
        "northing": 6512800.12,
        "existing_z": 259.2025,
        "design_z": 259.4296,
        "delta_z": 0.2271
      },
      {
        "ch": 120.0,
        "easting": 451500.0,
        "northing": 6512800.12,
        "existing_z": 258.6584,
        "design_z": 258.8889,
        "delta_z": 0.2306
      },
      {
        "ch": 130.0,
        "easting": 451510.0,
        "northing": 6512800.12,
        "existing_z": 258.1143,
        "design_z": 258.3483,
        "delta_z": 0.234
      },
      {
        "ch": 134.9,
        "easting": 451514.9,
        "northing": 6512800.12,
        "existing_z": 257.8387,
        "design_z": 258.0834,
        "delta_z": 0.2447
      },
      {
        "ch": 140.0,
        "easting": 451520.0,
        "northing": 6512800.12,
        "existing_z": 257.5518,
        "design_z": 257.8147,
        "delta_z": 0.2629
      },
      {
        "ch": 150.0,
        "easting": 451530.0,
        "northing": 6512800.12,
        "existing_z": 256.9893,
        "design_z": 257.3287,
        "delta_z": 0.3393
      },
      {
        "ch": 154.9,
        "easting": 451534.9,
        "northing": 6512800.12,
        "existing_z": 256.7366,
        "design_z": 257.1103,
        "delta_z": 0.3737
      },
      {
        "ch": 160.0,
        "easting": 451540.0,
        "northing": 6512800.12,
        "existing_z": 256.4735,
        "design_z": 256.8968,
        "delta_z": 0.4233
      },
      {
        "ch": 170.0,
        "easting": 451550.0,
        "northing": 6512800.12,
        "existing_z": 255.9577,
        "design_z": 256.5191,
        "delta_z": 0.5614
      },
      {
        "ch": 174.9,
        "easting": 451554.9,
        "northing": 6512800.12,
        "existing_z": 255.7496,
        "design_z": 256.3537,
        "delta_z": 0.6041
      },
      {
        "ch": 180.0,
        "easting": 451560.0,
        "northing": 6512800.12,
        "existing_z": 255.533,
        "design_z": 256.1884,
        "delta_z": 0.6554
      },
      {
        "ch": 190.0,
        "easting": 451570.0,
        "northing": 6512800.12,
        "existing_z": 255.1084,
        "design_z": 255.8642,
        "delta_z": 0.7559
      },
      {
        "ch": 200.0,
        "easting": 451580.0,
        "northing": 6512800.12,
        "existing_z": 254.7673,
        "design_z": 255.5401,
        "delta_z": 0.7728
      },
      {
        "ch": 210.0,
        "easting": 451590.0,
        "northing": 6512800.12,
        "existing_z": 254.4262,
        "design_z": 255.2159,
        "delta_z": 0.7897
      },
      {
        "ch": 212.35,
        "easting": 451592.35,
        "northing": 6512800.12,
        "existing_z": 254.3778,
        "design_z": 255.1397,
        "delta_z": 0.762
      },
      {
        "ch": 220.0,
        "easting": 451600.0,
        "northing": 6512800.12,
        "existing_z": 254.2199,
        "design_z": 254.9178,
        "delta_z": 0.6979
      },
      {
        "ch": 230.0,
        "easting": 451610.0,
        "northing": 6512800.12,
        "existing_z": 254.0136,
        "design_z": 254.7063,
        "delta_z": 0.6927
      },
      {
        "ch": 232.35,
        "easting": 451612.35,
        "northing": 6512800.12,
        "existing_z": 254.0007,
        "design_z": 254.6695,
        "delta_z": 0.6688
      },
      {
        "ch": 240.0,
        "easting": 451620.0,
        "northing": 6512800.12,
        "existing_z": 253.9587,
        "design_z": 254.5838,
        "delta_z": 0.6251
      },
      {
        "ch": 250.0,
        "easting": 451630.0,
        "northing": 6512800.12,
        "existing_z": 253.9038,
        "design_z": 254.5504,
        "delta_z": 0.6465
      },
      {
        "ch": 252.35,
        "easting": 451632.35,
        "northing": 6512800.12,
        "existing_z": 253.901,
        "design_z": 254.5554,
        "delta_z": 0.6545
      },
      {
        "ch": 260.0,
        "easting": 451640.0,
        "northing": 6512800.12,
        "existing_z": 253.8917,
        "design_z": 254.5799,
        "delta_z": 0.6882
      },
      {
        "ch": 270.0,
        "easting": 451650.0,
        "northing": 6512800.12,
        "existing_z": 253.8796,
        "design_z": 254.6119,
        "delta_z": 0.7323
      },
      {
        "ch": 280.0,
        "easting": 451660.0,
        "northing": 6512800.12,
        "existing_z": 253.8836,
        "design_z": 254.6439,
        "delta_z": 0.7603
      },
      {
        "ch": 289.8,
        "easting": 451669.8,
        "northing": 6512800.12,
        "existing_z": 253.8875,
        "design_z": 254.6753,
        "delta_z": 0.7878
      },
      {
        "ch": 290.0,
        "easting": 451670.0,
        "northing": 6512800.12,
        "existing_z": 253.8875,
        "design_z": 254.6759,
        "delta_z": 0.7884
      },
      {
        "ch": 300.0,
        "easting": 451680.0,
        "northing": 6512800.12,
        "existing_z": 253.9745,
        "design_z": 254.773,
        "delta_z": 0.7985
      },
      {
        "ch": 309.8,
        "easting": 451689.8,
        "northing": 6512800.12,
        "existing_z": 254.0597,
        "design_z": 254.9895,
        "delta_z": 0.9298
      },
      {
        "ch": 310.0,
        "easting": 451690.0,
        "northing": 6512800.12,
        "existing_z": 254.0614,
        "design_z": 254.9952,
        "delta_z": 0.9338
      },
      {
        "ch": 320.0,
        "easting": 451700.0,
        "northing": 6512800.12,
        "existing_z": 254.2763,
        "design_z": 255.3424,
        "delta_z": 1.0661
      },
      {
        "ch": 329.8,
        "easting": 451709.8,
        "northing": 6512800.12,
        "existing_z": 254.4869,
        "design_z": 255.8042,
        "delta_z": 1.3173
      },
      {
        "ch": 330.0,
        "easting": 451710.0,
        "northing": 6512800.12,
        "existing_z": 254.4912,
        "design_z": 255.8148,
        "delta_z": 1.3236
      },
      {
        "ch": 340.0,
        "easting": 451720.0,
        "northing": 6512800.12,
        "existing_z": 254.8479,
        "design_z": 256.3472,
        "delta_z": 1.4994
      },
      {
        "ch": 350.0,
        "easting": 451730.0,
        "northing": 6512800.12,
        "existing_z": 255.2045,
        "design_z": 256.8797,
        "delta_z": 1.6752
      },
      {
        "ch": 360.0,
        "easting": 451740.0,
        "northing": 6512800.12,
        "existing_z": 255.7998,
        "design_z": 257.4121,
        "delta_z": 1.6123
      },
      {
        "ch": 367.25,
        "easting": 451747.25,
        "northing": 6512800.12,
        "existing_z": 256.2313,
        "design_z": 257.7981,
        "delta_z": 1.5668
      },
      {
        "ch": 370.0,
        "easting": 451750.0,
        "northing": 6512800.12,
        "existing_z": 256.395,
        "design_z": 257.9486,
        "delta_z": 1.5536
      },
      {
        "ch": 380.0,
        "easting": 451760.0,
        "northing": 6512800.12,
        "existing_z": 257.3145,
        "design_z": 258.5643,
        "delta_z": 1.2498
      },
      {
        "ch": 387.25,
        "easting": 451767.25,
        "northing": 6512800.12,
        "existing_z": 257.9812,
        "design_z": 259.0779,
        "delta_z": 1.0967
      },
      {
        "ch": 390.0,
        "easting": 451770.0,
        "northing": 6512800.12,
        "existing_z": 258.234,
        "design_z": 259.2875,
        "delta_z": 1.0534
      },
      {
        "ch": 400.0,
        "easting": 451780.0,
        "northing": 6512800.12,
        "existing_z": 259.3431,
        "design_z": 260.1181,
        "delta_z": 0.775
      },
      {
        "ch": 407.25,
        "easting": 451787.25,
        "northing": 6512800.12,
        "existing_z": 260.1472,
        "design_z": 260.7875,
        "delta_z": 0.6403
      },
      {
        "ch": 410.0,
        "easting": 451790.0,
        "northing": 6512800.12,
        "existing_z": 260.4522,
        "design_z": 261.0521,
        "delta_z": 0.5999
      },
      {
        "ch": 420.0,
        "easting": 451800.0,
        "northing": 6512800.12,
        "existing_z": 261.6466,
        "design_z": 262.0144,
        "delta_z": 0.3678
      },
      {
        "ch": 430.0,
        "easting": 451810.0,
        "northing": 6512800.12,
        "existing_z": 262.841,
        "design_z": 262.9767,
        "delta_z": 0.1357
      },
      {
        "ch": 440.0,
        "easting": 451820.0,
        "northing": 6512800.12,
        "existing_z": 264.0709,
        "design_z": 263.9389,
        "delta_z": -0.132
      },
      {
        "ch": 444.7,
        "easting": 451824.7,
        "northing": 6512800.12,
        "existing_z": 264.649,
        "design_z": 264.3912,
        "delta_z": -0.2578
      },
      {
        "ch": 450.0,
        "easting": 451830.0,
        "northing": 6512800.12,
        "existing_z": 265.3008,
        "design_z": 264.8799,
        "delta_z": -0.4209
      },
      {
        "ch": 460.0,
        "easting": 451840.0,
        "northing": 6512800.12,
        "existing_z": 266.5085,
        "design_z": 265.6858,
        "delta_z": -0.8228
      },
      {
        "ch": 464.7,
        "easting": 451844.7,
        "northing": 6512800.12,
        "existing_z": 267.0762,
        "design_z": 266.0121,
        "delta_z": -1.0641
      },
      {
        "ch": 470.0,
        "easting": 451850.0,
        "northing": 6512800.12,
        "existing_z": 267.7162,
        "design_z": 266.3399,
        "delta_z": -1.3764
      },
      {
        "ch": 480.0,
        "easting": 451860.0,
        "northing": 6512800.12,
        "existing_z": 268.8836,
        "design_z": 266.8422,
        "delta_z": -2.0414
      },
      {
        "ch": 484.7,
        "easting": 451864.7,
        "northing": 6512800.12,
        "existing_z": 269.4322,
        "design_z": 267.0258,
        "delta_z": -2.4064
      },
      {
        "ch": 490.0,
        "easting": 451870.0,
        "northing": 6512800.12,
        "existing_z": 270.0509,
        "design_z": 267.214,
        "delta_z": -2.8369
      },
      {
        "ch": 500.0,
        "easting": 451880.0,
        "northing": 6512800.12,
        "existing_z": 271.0824,
        "design_z": 267.5691,
        "delta_z": -3.5133
      },
      {
        "ch": 507.2975,
        "easting": 451887.2975,
        "northing": 6512800.12,
        "existing_z": 271.8351,
        "design_z": 267.8282,
        "delta_z": -4.0069
      },
      {
        "ch": 510.0,
        "easting": 451890.0,
        "northing": 6512800.12,
        "existing_z": 272.1138,
        "design_z": 267.9162,
        "delta_z": -4.1976
      },
      {
        "ch": 520.0,
        "easting": 451900.0,
        "northing": 6512800.12,
        "existing_z": 272.4949,
        "design_z": 268.1034,
        "delta_z": -4.3915
      },
      {
        "ch": 530.0,
        "easting": 451910.0,
        "northing": 6512800.12,
        "existing_z": 272.876,
        "design_z": 268.0726,
        "delta_z": -4.8034
      },
      {
        "ch": 540.0,
        "easting": 451920.0,
        "northing": 6512800.12,
        "existing_z": 272.0626,
        "design_z": 267.8239,
        "delta_z": -4.2387
      },
      {
        "ch": 542.15,
        "easting": 451922.15,
        "northing": 6512800.12,
        "existing_z": 271.8877,
        "design_z": 267.742,
        "delta_z": -4.1458
      },
      {
        "ch": 550.0,
        "easting": 451930.0,
        "northing": 6512800.12,
        "existing_z": 271.2492,
        "design_z": 267.3572,
        "delta_z": -3.892
      },
      {
        "ch": 560.0,
        "easting": 451940.0,
        "northing": 6512800.12,
        "existing_z": 269.655,
        "design_z": 266.6726,
        "delta_z": -2.9824
      },
      {
        "ch": 570.0,
        "easting": 451950.0,
        "northing": 6512800.12,
        "existing_z": 268.0609,
        "design_z": 265.7701,
        "delta_z": -2.2908
      },
      {
        "ch": 577.0025,
        "easting": 451957.0025,
        "northing": 6512800.12,
        "existing_z": 266.8881,
        "design_z": 265.0083,
        "delta_z": -1.8798
      },
      {
        "ch": 580.0,
        "easting": 451960.0,
        "northing": 6512800.12,
        "existing_z": 266.3861,
        "design_z": 264.6594,
        "delta_z": -1.7267
      },
      {
        "ch": 590.0,
        "easting": 451970.0,
        "northing": 6512800.12,
        "existing_z": 264.7113,
        "design_z": 263.4952,
        "delta_z": -1.2161
      },
      {
        "ch": 600.0,
        "easting": 451980.0,
        "northing": 6512800.12,
        "existing_z": 263.1135,
        "design_z": 262.3311,
        "delta_z": -0.7824
      },
      {
        "ch": 610.0,
        "easting": 451990.0,
        "northing": 6512800.12,
        "existing_z": 261.5157,
        "design_z": 261.1669,
        "delta_z": -0.3488
      },
      {
        "ch": 619.6,
        "easting": 451999.6,
        "northing": 6512800.12,
        "existing_z": 260.0493,
        "design_z": 260.0493,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD463",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 163.621,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 5.3,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451232.7918962032,
          6512781.303284603
        ],
        "end": [
          451266.4928336527,
          6512839.680048454
        ],
        "chainage_start": 0,
        "length": 67.40622925685756
      },
      {
        "type": "ARC",
        "centre": [
          451294.7197516155,
          6512823.384633396
        ],
        "radius": 32.59293557777044,
        "start_angle_rad": 2.618031173684567,
        "sweep_rad": -1.5709037923368296,
        "start": [
          451266.4928336527,
          6512839.680048454
        ],
        "end": [
          451311.0182,
          6512851.6098
        ],
        "chainage_start": 67.40622925685756,
        "length": 51.20036610250956,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451311.01820000017,
          6512851.6098
        ],
        "end": [
          451350.0,
          6512829.1
        ],
        "chainage_start": 118.60659535936712,
        "length": 45.01412919597905
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 54.54024151844872,
        "pvi_z": 264.5908897670233,
        "bvc": 34.54024151844872,
        "evc": 74.54024151844871,
        "length": 40.0,
        "g1": 0.04394213883099328,
        "g2": 0.0529772170585371,
        "z_bvc": 263.71204699040345,
        "K_m_per_percent": 44.271891169750255
      },
      {
        "pvi_ch": 109.08048303689743,
        "pvi_z": 267.4802799803712,
        "bvc": 89.08048303689743,
        "evc": 129.08048303689742,
        "length": 40.0,
        "g1": 0.0529772170585371,
        "g2": 0.03852571779521324,
        "z_bvc": 266.4207356392005,
        "K_m_per_percent": 27.678789080047306
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451232.7919,
        "northing": 6512781.3033,
        "existing_z": 262.1943,
        "design_z": 262.1943,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451237.7916,
        "northing": 6512789.9637,
        "existing_z": 262.6079,
        "design_z": 262.6337,
        "delta_z": 0.0258
      },
      {
        "ch": 20.0,
        "easting": 451242.7913,
        "northing": 6512798.6242,
        "existing_z": 262.9966,
        "design_z": 263.0731,
        "delta_z": 0.0765
      },
      {
        "ch": 30.0,
        "easting": 451247.7909,
        "northing": 6512807.2846,
        "existing_z": 263.3881,
        "design_z": 263.5125,
        "delta_z": 0.1245
      },
      {
        "ch": 34.5402,
        "easting": 451250.0609,
        "northing": 6512811.2167,
        "existing_z": 263.5666,
        "design_z": 263.712,
        "delta_z": 0.1455
      },
      {
        "ch": 40.0,
        "easting": 451252.7906,
        "northing": 6512815.945,
        "existing_z": 263.7924,
        "design_z": 263.9553,
        "delta_z": 0.1629
      },
      {
        "ch": 50.0,
        "easting": 451257.7903,
        "northing": 6512824.6055,
        "existing_z": 264.206,
        "design_z": 264.4184,
        "delta_z": 0.2124
      },
      {
        "ch": 54.5402,
        "easting": 451260.0603,
        "northing": 6512828.5375,
        "existing_z": 264.3936,
        "design_z": 264.6361,
        "delta_z": 0.2424
      },
      {
        "ch": 60.0,
        "easting": 451262.79,
        "northing": 6512833.2659,
        "existing_z": 264.6262,
        "design_z": 264.904,
        "delta_z": 0.2779
      },
      {
        "ch": 70.0,
        "easting": 451267.8776,
        "northing": 6512841.8724,
        "existing_z": 265.0653,
        "design_z": 265.4122,
        "delta_z": 0.347
      },
      {
        "ch": 74.5402,
        "easting": 451270.7047,
        "northing": 6512845.4204,
        "existing_z": 265.3054,
        "design_z": 265.6504,
        "delta_z": 0.345
      },
      {
        "ch": 80.0,
        "easting": 451274.7149,
        "northing": 6512849.116,
        "existing_z": 265.6419,
        "design_z": 265.9397,
        "delta_z": 0.2977
      },
      {
        "ch": 89.0805,
        "easting": 451282.5627,
        "northing": 6512853.6254,
        "existing_z": 266.2719,
        "design_z": 266.4207,
        "delta_z": 0.1489
      },
      {
        "ch": 90.0,
        "easting": 451283.4206,
        "northing": 6512853.9563,
        "existing_z": 266.3399,
        "design_z": 266.4693,
        "delta_z": 0.1294
      },
      {
        "ch": 100.0,
        "easting": 451293.1816,
        "northing": 6512855.9413,
        "existing_z": 267.0872,
        "design_z": 266.9777,
        "delta_z": -0.1095
      },
      {
        "ch": 109.0805,
        "easting": 451302.1944,
        "northing": 6512855.1089,
        "existing_z": 267.7383,
        "design_z": 267.408,
        "delta_z": -0.3303
      },
      {
        "ch": 110.0,
        "easting": 451303.0863,
        "northing": 6512854.8854,
        "existing_z": 267.8045,
        "design_z": 267.4499,
        "delta_z": -0.3546
      },
      {
        "ch": 120.0,
        "easting": 451312.2249,
        "northing": 6512850.913,
        "existing_z": 268.463,
        "design_z": 267.8861,
        "delta_z": -0.5769
      },
      {
        "ch": 129.0805,
        "easting": 451320.0885,
        "northing": 6512846.3722,
        "existing_z": 268.8862,
        "design_z": 268.2508,
        "delta_z": -0.6354
      },
      {
        "ch": 130.0,
        "easting": 451320.8848,
        "northing": 6512845.9124,
        "existing_z": 268.9295,
        "design_z": 268.2862,
        "delta_z": -0.6433
      },
      {
        "ch": 140.0,
        "easting": 451329.5447,
        "northing": 6512840.9118,
        "existing_z": 269.4182,
        "design_z": 268.6715,
        "delta_z": -0.7467
      },
      {
        "ch": 150.0,
        "easting": 451338.2046,
        "northing": 6512835.9112,
        "existing_z": 269.5189,
        "design_z": 269.0567,
        "delta_z": -0.4622
      },
      {
        "ch": 160.0,
        "easting": 451346.8645,
        "northing": 6512830.9106,
        "existing_z": 269.5912,
        "design_z": 269.442,
        "delta_z": -0.1492
      },
      {
        "ch": 163.6207,
        "easting": 451350.0,
        "northing": 6512829.1,
        "existing_z": 269.5815,
        "design_z": 269.5815,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD464",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 245.183,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 8.62,
    "radius_review_count": 1,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451380.0,
          6512800.12
        ],
        "end": [
          451380.0,
          6512858.12
        ],
        "chainage_start": 0,
        "length": 58.0
      },
      {
        "type": "ARC",
        "centre": [
          451422.0,
          6512858.12
        ],
        "radius": 42.00000000000001,
        "start_angle_rad": 3.141592653589793,
        "sweep_rad": -1.5707963267948966,
        "start": [
          451380.0,
          6512858.12
        ],
        "end": [
          451422.0,
          6512900.12
        ],
        "chainage_start": 58.0,
        "length": 65.97344572538567,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451422.0,
          6512900.12
        ],
        "end": [
          451543.21,
          6512900.12
        ],
        "chainage_start": 123.97344572538567,
        "length": 121.21000000002095
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 61.29586143135165,
        "pvi_z": 266.0054796202048,
        "bvc": 41.29586143135165,
        "evc": 81.29586143135165,
        "length": 40.0,
        "g1": -0.009197933905706656,
        "g2": -0.05811423625080906,
        "z_bvc": 266.189438298319,
        "K_m_per_percent": 8.17723296372684
      },
      {
        "pvi_ch": 122.5917228627033,
        "pvi_z": 262.4433174477864,
        "bvc": 102.5917228627033,
        "evc": 142.5917228627033,
        "length": 40.0,
        "g1": -0.05811423625080906,
        "g2": -0.07756975196871971,
        "z_bvc": 263.6056021728026,
        "K_m_per_percent": 20.55972228131491
      },
      {
        "pvi_ch": 183.88758429405496,
        "pvi_z": 257.68861267984744,
        "bvc": 163.88758429405496,
        "evc": 203.88758429405496,
        "length": 40.0,
        "g1": -0.07756975196871971,
        "g2": -0.08624061253829349,
        "z_bvc": 259.2400077192218,
        "K_m_per_percent": 46.13152256231727
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451380.0,
        "northing": 6512800.12,
        "existing_z": 266.5693,
        "design_z": 266.5693,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451380.0,
        "northing": 6512810.12,
        "existing_z": 266.9764,
        "design_z": 266.4773,
        "delta_z": -0.4991
      },
      {
        "ch": 20.0,
        "easting": 451380.0,
        "northing": 6512820.12,
        "existing_z": 267.1884,
        "design_z": 266.3853,
        "delta_z": -0.803
      },
      {
        "ch": 30.0,
        "easting": 451380.0,
        "northing": 6512830.12,
        "existing_z": 267.3963,
        "design_z": 266.2933,
        "delta_z": -1.1029
      },
      {
        "ch": 40.0,
        "easting": 451380.0,
        "northing": 6512840.12,
        "existing_z": 267.2754,
        "design_z": 266.2014,
        "delta_z": -1.074
      },
      {
        "ch": 41.2959,
        "easting": 451380.0,
        "northing": 6512841.4159,
        "existing_z": 267.2597,
        "design_z": 266.1894,
        "delta_z": -1.0702
      },
      {
        "ch": 50.0,
        "easting": 451380.0,
        "northing": 6512850.12,
        "existing_z": 267.1518,
        "design_z": 266.0631,
        "delta_z": -1.0887
      },
      {
        "ch": 60.0,
        "easting": 451380.0476,
        "northing": 6512860.1192,
        "existing_z": 266.8072,
        "design_z": 265.8035,
        "delta_z": -1.0037
      },
      {
        "ch": 61.2959,
        "easting": 451380.1293,
        "northing": 6512861.4125,
        "existing_z": 266.7551,
        "design_z": 265.7609,
        "delta_z": -0.9942
      },
      {
        "ch": 70.0,
        "easting": 451381.7027,
        "northing": 6512869.9574,
        "existing_z": 266.3156,
        "design_z": 265.4216,
        "delta_z": -0.894
      },
      {
        "ch": 80.0,
        "easting": 451385.6314,
        "northing": 6512879.1277,
        "existing_z": 265.645,
        "design_z": 264.9175,
        "delta_z": -0.7275
      },
      {
        "ch": 81.2959,
        "easting": 451386.2967,
        "northing": 6512880.2396,
        "existing_z": 265.5495,
        "design_z": 264.8432,
        "delta_z": -0.7063
      },
      {
        "ch": 90.0,
        "easting": 451391.6121,
        "northing": 6512887.1126,
        "existing_z": 264.8737,
        "design_z": 264.3374,
        "delta_z": -0.5364
      },
      {
        "ch": 100.0,
        "easting": 451399.3073,
        "northing": 6512893.4618,
        "existing_z": 264.1251,
        "design_z": 263.7562,
        "delta_z": -0.3688
      },
      {
        "ch": 102.5917,
        "easting": 451401.53,
        "northing": 6512894.7939,
        "existing_z": 263.9413,
        "design_z": 263.6056,
        "delta_z": -0.3357
      },
      {
        "ch": 110.0,
        "easting": 451408.2829,
        "northing": 6512897.8169,
        "existing_z": 263.4136,
        "design_z": 263.1617,
        "delta_z": -0.2519
      },
      {
        "ch": 120.0,
        "easting": 451418.0325,
        "northing": 6512899.9322,
        "existing_z": 262.7324,
        "design_z": 262.5202,
        "delta_z": -0.2122
      },
      {
        "ch": 122.5917,
        "easting": 451420.6185,
        "northing": 6512900.0973,
        "existing_z": 262.5541,
        "design_z": 262.346,
        "delta_z": -0.2081
      },
      {
        "ch": 130.0,
        "easting": 451428.0266,
        "northing": 6512900.12,
        "existing_z": 262.0386,
        "design_z": 261.8301,
        "delta_z": -0.2085
      },
      {
        "ch": 140.0,
        "easting": 451438.0266,
        "northing": 6512900.12,
        "existing_z": 261.3255,
        "design_z": 261.0913,
        "delta_z": -0.2342
      },
      {
        "ch": 142.5917,
        "easting": 451440.6183,
        "northing": 6512900.12,
        "existing_z": 261.1396,
        "design_z": 260.8919,
        "delta_z": -0.2477
      },
      {
        "ch": 150.0,
        "easting": 451448.0266,
        "northing": 6512900.12,
        "existing_z": 260.6082,
        "design_z": 260.3173,
        "delta_z": -0.291
      },
      {
        "ch": 160.0,
        "easting": 451458.0266,
        "northing": 6512900.12,
        "existing_z": 259.8068,
        "design_z": 259.5416,
        "delta_z": -0.2652
      },
      {
        "ch": 163.8876,
        "easting": 451461.9141,
        "northing": 6512900.12,
        "existing_z": 259.4871,
        "design_z": 259.24,
        "delta_z": -0.2471
      },
      {
        "ch": 170.0,
        "easting": 451468.0266,
        "northing": 6512900.12,
        "existing_z": 258.9846,
        "design_z": 258.7618,
        "delta_z": -0.2227
      },
      {
        "ch": 180.0,
        "easting": 451478.0266,
        "northing": 6512900.12,
        "existing_z": 258.1194,
        "design_z": 257.962,
        "delta_z": -0.1573
      },
      {
        "ch": 183.8876,
        "easting": 451481.9141,
        "northing": 6512900.12,
        "existing_z": 257.7789,
        "design_z": 257.6453,
        "delta_z": -0.1336
      },
      {
        "ch": 190.0,
        "easting": 451488.0266,
        "northing": 6512900.12,
        "existing_z": 257.2436,
        "design_z": 257.1406,
        "delta_z": -0.103
      },
      {
        "ch": 200.0,
        "easting": 451498.0266,
        "northing": 6512900.12,
        "existing_z": 256.3696,
        "design_z": 256.2974,
        "delta_z": -0.0722
      },
      {
        "ch": 203.8876,
        "easting": 451501.9141,
        "northing": 6512900.12,
        "existing_z": 256.03,
        "design_z": 255.9638,
        "delta_z": -0.0662
      },
      {
        "ch": 210.0,
        "easting": 451508.0266,
        "northing": 6512900.12,
        "existing_z": 255.496,
        "design_z": 255.4367,
        "delta_z": -0.0594
      },
      {
        "ch": 220.0,
        "easting": 451518.0266,
        "northing": 6512900.12,
        "existing_z": 254.6061,
        "design_z": 254.5743,
        "delta_z": -0.0319
      },
      {
        "ch": 230.0,
        "easting": 451528.0266,
        "northing": 6512900.12,
        "existing_z": 253.7122,
        "design_z": 253.7118,
        "delta_z": -0.0003
      },
      {
        "ch": 240.0,
        "easting": 451538.0266,
        "northing": 6512900.12,
        "existing_z": 252.8471,
        "design_z": 252.8494,
        "delta_z": 0.0023
      },
      {
        "ch": 245.1834,
        "easting": 451543.21,
        "northing": 6512900.12,
        "existing_z": 252.4024,
        "design_z": 252.4024,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD465",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 403.52,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 14.39,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451543.21,
          6512900.12
        ],
        "end": [
          451946.73,
          6512900.12
        ],
        "chainage_start": 0,
        "length": 403.5199999999604
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 67.25333333332674,
        "pvi_z": 250.5572078939435,
        "bvc": 47.25333333332674,
        "evc": 87.25333333332674,
        "length": 40.0,
        "g1": -0.027436738947293524,
        "g2": -0.006368439493763781,
        "z_bvc": 251.10594267288937,
        "K_m_per_percent": 18.98587025888246
      },
      {
        "pvi_ch": 134.50666666665347,
        "pvi_z": 250.1289091098563,
        "bvc": 114.50666666665347,
        "evc": 154.50666666665347,
        "length": 40.0,
        "g1": -0.006368439493763781,
        "g2": 0.026399791595849063,
        "z_bvc": 250.25627789973157,
        "K_m_per_percent": 12.20694516301783
      },
      {
        "pvi_ch": 201.7599999999802,
        "pvi_z": 251.9043830939823,
        "bvc": 171.49599999998318,
        "evc": 232.02399999997724,
        "length": 60.527999999994066,
        "g1": 0.026399791595849063,
        "g2": 0.143857968283378,
        "z_bvc": 251.10541980112558,
        "K_m_per_percent": 5.153153378245876
      },
      {
        "pvi_ch": 269.01333333330695,
        "pvi_z": 261.57931098759946,
        "bvc": 249.01333333330695,
        "evc": 289.01333333330695,
        "length": 40.0,
        "g1": 0.143857968283378,
        "g2": 0.11022854759422772,
        "z_bvc": 258.7021516219319,
        "K_m_per_percent": 11.894347027186537
      },
      {
        "pvi_ch": 336.2666666666337,
        "pvi_z": 268.9925482418025,
        "bvc": 314.84618841761187,
        "evc": 357.6871449156555,
        "length": 42.84095649804365,
        "g1": 0.11022854759422772,
        "g2": 0.038826953430821626,
        "z_bvc": 266.6314000356391,
        "K_m_per_percent": 5.999999999999999
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451543.21,
        "northing": 6512900.12,
        "existing_z": 252.4024,
        "design_z": 252.4024,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451553.21,
        "northing": 6512900.12,
        "existing_z": 251.6107,
        "design_z": 252.1281,
        "delta_z": 0.5173
      },
      {
        "ch": 20.0,
        "easting": 451563.21,
        "northing": 6512900.12,
        "existing_z": 250.9592,
        "design_z": 251.8537,
        "delta_z": 0.8944
      },
      {
        "ch": 30.0,
        "easting": 451573.21,
        "northing": 6512900.12,
        "existing_z": 250.4293,
        "design_z": 251.5793,
        "delta_z": 1.1501
      },
      {
        "ch": 40.0,
        "easting": 451583.21,
        "northing": 6512900.12,
        "existing_z": 250.1563,
        "design_z": 251.305,
        "delta_z": 1.1487
      },
      {
        "ch": 47.2533,
        "easting": 451590.4633,
        "northing": 6512900.12,
        "existing_z": 249.9758,
        "design_z": 251.1059,
        "delta_z": 1.1301
      },
      {
        "ch": 50.0,
        "easting": 451593.21,
        "northing": 6512900.12,
        "existing_z": 250.0045,
        "design_z": 251.0326,
        "delta_z": 1.028
      },
      {
        "ch": 60.0,
        "easting": 451603.21,
        "northing": 6512900.12,
        "existing_z": 250.1093,
        "design_z": 250.799,
        "delta_z": 0.6898
      },
      {
        "ch": 67.2533,
        "easting": 451610.4633,
        "northing": 6512900.12,
        "existing_z": 250.1877,
        "design_z": 250.6625,
        "delta_z": 0.4749
      },
      {
        "ch": 70.0,
        "easting": 451613.21,
        "northing": 6512900.12,
        "existing_z": 250.2311,
        "design_z": 250.6181,
        "delta_z": 0.387
      },
      {
        "ch": 80.0,
        "easting": 451623.21,
        "northing": 6512900.12,
        "existing_z": 250.3892,
        "design_z": 250.4899,
        "delta_z": 0.1007
      },
      {
        "ch": 87.2533,
        "easting": 451630.4633,
        "northing": 6512900.12,
        "existing_z": 250.4968,
        "design_z": 250.4298,
        "delta_z": -0.067
      },
      {
        "ch": 90.0,
        "easting": 451633.21,
        "northing": 6512900.12,
        "existing_z": 250.4986,
        "design_z": 250.4123,
        "delta_z": -0.0863
      },
      {
        "ch": 100.0,
        "easting": 451643.21,
        "northing": 6512900.12,
        "existing_z": 250.5053,
        "design_z": 250.3487,
        "delta_z": -0.1566
      },
      {
        "ch": 110.0,
        "easting": 451653.21,
        "northing": 6512900.12,
        "existing_z": 250.4863,
        "design_z": 250.285,
        "delta_z": -0.2014
      },
      {
        "ch": 114.5067,
        "easting": 451657.7167,
        "northing": 6512900.12,
        "existing_z": 250.4534,
        "design_z": 250.2563,
        "delta_z": -0.1972
      },
      {
        "ch": 120.0,
        "easting": 451663.21,
        "northing": 6512900.12,
        "existing_z": 250.4133,
        "design_z": 250.2337,
        "delta_z": -0.1797
      },
      {
        "ch": 130.0,
        "easting": 451673.21,
        "northing": 6512900.12,
        "existing_z": 250.2871,
        "design_z": 250.2559,
        "delta_z": -0.0312
      },
      {
        "ch": 134.5067,
        "easting": 451677.7167,
        "northing": 6512900.12,
        "existing_z": 250.1795,
        "design_z": 250.2928,
        "delta_z": 0.1132
      },
      {
        "ch": 140.0,
        "easting": 451683.21,
        "northing": 6512900.12,
        "existing_z": 250.0484,
        "design_z": 250.3601,
        "delta_z": 0.3117
      },
      {
        "ch": 150.0,
        "easting": 451693.21,
        "northing": 6512900.12,
        "existing_z": 249.724,
        "design_z": 250.5462,
        "delta_z": 0.8223
      },
      {
        "ch": 154.5067,
        "easting": 451697.7167,
        "northing": 6512900.12,
        "existing_z": 249.4961,
        "design_z": 250.6569,
        "delta_z": 1.1608
      },
      {
        "ch": 160.0,
        "easting": 451703.21,
        "northing": 6512900.12,
        "existing_z": 249.2183,
        "design_z": 250.8019,
        "delta_z": 1.5837
      },
      {
        "ch": 170.0,
        "easting": 451713.21,
        "northing": 6512900.12,
        "existing_z": 248.7928,
        "design_z": 251.0659,
        "delta_z": 2.2732
      },
      {
        "ch": 171.496,
        "easting": 451714.706,
        "northing": 6512900.12,
        "existing_z": 248.7545,
        "design_z": 251.1054,
        "delta_z": 2.3509
      },
      {
        "ch": 180.0,
        "easting": 451723.21,
        "northing": 6512900.12,
        "existing_z": 248.5369,
        "design_z": 251.4001,
        "delta_z": 2.8632
      },
      {
        "ch": 190.0,
        "easting": 451733.21,
        "northing": 6512900.12,
        "existing_z": 248.6371,
        "design_z": 251.9261,
        "delta_z": 3.289
      },
      {
        "ch": 200.0,
        "easting": 451743.21,
        "northing": 6512900.12,
        "existing_z": 249.4906,
        "design_z": 252.6463,
        "delta_z": 3.1557
      },
      {
        "ch": 201.76,
        "easting": 451744.97,
        "northing": 6512900.12,
        "existing_z": 249.6408,
        "design_z": 252.7931,
        "delta_z": 3.1523
      },
      {
        "ch": 210.0,
        "easting": 451753.21,
        "northing": 6512900.12,
        "existing_z": 250.7013,
        "design_z": 253.5604,
        "delta_z": 2.8591
      },
      {
        "ch": 220.0,
        "easting": 451763.21,
        "northing": 6512900.12,
        "existing_z": 252.6677,
        "design_z": 254.6686,
        "delta_z": 2.001
      },
      {
        "ch": 230.0,
        "easting": 451773.21,
        "northing": 6512900.12,
        "existing_z": 254.7191,
        "design_z": 255.9709,
        "delta_z": 1.2518
      },
      {
        "ch": 232.024,
        "easting": 451775.234,
        "northing": 6512900.12,
        "existing_z": 255.1707,
        "design_z": 256.2581,
        "delta_z": 1.0874
      },
      {
        "ch": 240.0,
        "easting": 451783.21,
        "northing": 6512900.12,
        "existing_z": 256.9504,
        "design_z": 257.4055,
        "delta_z": 0.4551
      },
      {
        "ch": 249.0133,
        "easting": 451792.2233,
        "northing": 6512900.12,
        "existing_z": 258.8759,
        "design_z": 258.7022,
        "delta_z": -0.1738
      },
      {
        "ch": 250.0,
        "easting": 451793.21,
        "northing": 6512900.12,
        "existing_z": 259.058,
        "design_z": 258.8437,
        "delta_z": -0.2144
      },
      {
        "ch": 260.0,
        "easting": 451803.21,
        "northing": 6512900.12,
        "existing_z": 260.904,
        "design_z": 260.2319,
        "delta_z": -0.672
      },
      {
        "ch": 269.0133,
        "easting": 451812.2233,
        "northing": 6512900.12,
        "existing_z": 262.4526,
        "design_z": 261.4112,
        "delta_z": -1.0414
      },
      {
        "ch": 270.0,
        "easting": 451813.21,
        "northing": 6512900.12,
        "existing_z": 262.5836,
        "design_z": 261.5361,
        "delta_z": -1.0475
      },
      {
        "ch": 280.0,
        "easting": 451823.21,
        "northing": 6512900.12,
        "existing_z": 263.9117,
        "design_z": 262.7562,
        "delta_z": -1.1555
      },
      {
        "ch": 289.0133,
        "easting": 451832.2233,
        "northing": 6512900.12,
        "existing_z": 265.0619,
        "design_z": 263.7839,
        "delta_z": -1.278
      },
      {
        "ch": 290.0,
        "easting": 451833.21,
        "northing": 6512900.12,
        "existing_z": 265.1721,
        "design_z": 263.8926,
        "delta_z": -1.2795
      },
      {
        "ch": 300.0,
        "easting": 451843.21,
        "northing": 6512900.12,
        "existing_z": 266.2892,
        "design_z": 264.9949,
        "delta_z": -1.2943
      },
      {
        "ch": 310.0,
        "easting": 451853.21,
        "northing": 6512900.12,
        "existing_z": 267.3905,
        "design_z": 266.0972,
        "delta_z": -1.2933
      },
      {
        "ch": 314.8462,
        "easting": 451858.0562,
        "northing": 6512900.12,
        "existing_z": 267.9078,
        "design_z": 266.6314,
        "delta_z": -1.2764
      },
      {
        "ch": 320.0,
        "easting": 451863.21,
        "northing": 6512900.12,
        "existing_z": 268.4581,
        "design_z": 267.1774,
        "delta_z": -1.2807
      },
      {
        "ch": 330.0,
        "easting": 451873.21,
        "northing": 6512900.12,
        "existing_z": 269.4722,
        "design_z": 268.1104,
        "delta_z": -1.3618
      },
      {
        "ch": 336.2667,
        "easting": 451879.4767,
        "northing": 6512900.12,
        "existing_z": 270.0369,
        "design_z": 268.6102,
        "delta_z": -1.4267
      },
      {
        "ch": 340.0,
        "easting": 451883.21,
        "northing": 6512900.12,
        "existing_z": 270.3733,
        "design_z": 268.8768,
        "delta_z": -1.4965
      },
      {
        "ch": 350.0,
        "easting": 451893.21,
        "northing": 6512900.12,
        "existing_z": 271.1826,
        "design_z": 269.4765,
        "delta_z": -1.706
      },
      {
        "ch": 357.6871,
        "easting": 451900.8971,
        "northing": 6512900.12,
        "existing_z": 271.6553,
        "design_z": 269.8242,
        "delta_z": -1.8311
      },
      {
        "ch": 360.0,
        "easting": 451903.21,
        "northing": 6512900.12,
        "existing_z": 271.7975,
        "design_z": 269.914,
        "delta_z": -1.8835
      },
      {
        "ch": 370.0,
        "easting": 451913.21,
        "northing": 6512900.12,
        "existing_z": 272.2833,
        "design_z": 270.3023,
        "delta_z": -1.981
      },
      {
        "ch": 380.0,
        "easting": 451923.21,
        "northing": 6512900.12,
        "existing_z": 272.4956,
        "design_z": 270.6906,
        "delta_z": -1.8051
      },
      {
        "ch": 390.0,
        "easting": 451933.21,
        "northing": 6512900.12,
        "existing_z": 272.441,
        "design_z": 271.0788,
        "delta_z": -1.3622
      },
      {
        "ch": 400.0,
        "easting": 451943.21,
        "northing": 6512900.12,
        "existing_z": 271.8218,
        "design_z": 271.4671,
        "delta_z": -0.3547
      },
      {
        "ch": 403.52,
        "easting": 451946.73,
        "northing": 6512900.12,
        "existing_z": 271.6038,
        "design_z": 271.6038,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD466",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 100.191,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 3.38,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451543.21,
          6512900.12
        ],
        "end": [
          451549.3894685111,
          6513000.12
        ],
        "chainage_start": 0,
        "length": 100.19074723286292
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 50.09537361643146,
        "pvi_z": 250.71103108513924,
        "bvc": 30.09537361643146,
        "evc": 70.09537361643146,
        "length": 40.0,
        "g1": -0.03376337646978425,
        "g2": -0.003906163967168834,
        "z_bvc": 251.38629861453492,
        "K_m_per_percent": 13.397097936217623
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451543.21,
        "northing": 6512900.12,
        "existing_z": 252.4024,
        "design_z": 252.4024,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451543.8268,
        "northing": 6512910.101,
        "existing_z": 251.9462,
        "design_z": 252.0648,
        "delta_z": 0.1186
      },
      {
        "ch": 20.0,
        "easting": 451544.4435,
        "northing": 6512920.0819,
        "existing_z": 251.5337,
        "design_z": 251.7272,
        "delta_z": 0.1934
      },
      {
        "ch": 30.0,
        "easting": 451545.0603,
        "northing": 6512930.0629,
        "existing_z": 251.112,
        "design_z": 251.3895,
        "delta_z": 0.2775
      },
      {
        "ch": 30.0954,
        "easting": 451545.0662,
        "northing": 6512930.1581,
        "existing_z": 251.1084,
        "design_z": 251.3863,
        "delta_z": 0.2779
      },
      {
        "ch": 40.0,
        "easting": 451545.6771,
        "northing": 6512940.0438,
        "existing_z": 250.7283,
        "design_z": 251.0885,
        "delta_z": 0.3602
      },
      {
        "ch": 50.0,
        "easting": 451546.2939,
        "northing": 6512950.0248,
        "existing_z": 250.3344,
        "design_z": 250.8621,
        "delta_z": 0.5277
      },
      {
        "ch": 50.0954,
        "easting": 451546.2997,
        "northing": 6512950.12,
        "existing_z": 250.3323,
        "design_z": 250.8603,
        "delta_z": 0.528
      },
      {
        "ch": 60.0,
        "easting": 451546.9106,
        "northing": 6512960.0058,
        "existing_z": 250.1107,
        "design_z": 250.7104,
        "delta_z": 0.5996
      },
      {
        "ch": 70.0,
        "easting": 451547.5274,
        "northing": 6512969.9867,
        "existing_z": 249.8754,
        "design_z": 250.6333,
        "delta_z": 0.7579
      },
      {
        "ch": 70.0954,
        "easting": 451547.5333,
        "northing": 6512970.0819,
        "existing_z": 249.8762,
        "design_z": 250.6329,
        "delta_z": 0.7567
      },
      {
        "ch": 80.0,
        "easting": 451548.1442,
        "northing": 6512979.9677,
        "existing_z": 250.0025,
        "design_z": 250.5942,
        "delta_z": 0.5918
      },
      {
        "ch": 90.0,
        "easting": 451548.7609,
        "northing": 6512989.9487,
        "existing_z": 250.1185,
        "design_z": 250.5552,
        "delta_z": 0.4367
      },
      {
        "ch": 100.0,
        "easting": 451549.3777,
        "northing": 6512999.9296,
        "existing_z": 250.508,
        "design_z": 250.5161,
        "delta_z": 0.0081
      },
      {
        "ch": 100.1907,
        "easting": 451549.3895,
        "northing": 6513000.12,
        "existing_z": 250.5154,
        "design_z": 250.5154,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD467",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 344.471,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 19.86,
    "radius_review_count": 0,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451549.3894685111,
          6513000.12
        ],
        "end": [
          451893.86,
          6513000.12
        ],
        "chainage_start": 0,
        "length": 344.4705314888852
      }
    ],
    "vertical_curves": [
      {
        "pvi_ch": 68.89410629777703,
        "pvi_z": 246.7164453753818,
        "bvc": 48.89410629777703,
        "evc": 88.89410629777703,
        "length": 40.0,
        "g1": -0.05514121846642863,
        "g2": -0.02896513353056138,
        "z_bvc": 247.81926974471037,
        "K_m_per_percent": 15.281124009951087
      },
      {
        "pvi_ch": 137.78821259555406,
        "pvi_z": 244.720918386998,
        "bvc": 117.78821259555406,
        "evc": 157.78821259555406,
        "length": 40.0,
        "g1": -0.02896513353056138,
        "g2": -0.03775300063799648,
        "z_bvc": 245.30022105760924,
        "K_m_per_percent": 45.51730187881135
      },
      {
        "pvi_ch": 206.6823188933311,
        "pvi_z": 242.11995914798382,
        "bvc": 175.67997105933142,
        "evc": 237.68466672733075,
        "length": 62.00469566799933,
        "g1": -0.03775300063799648,
        "g2": 0.10356198055964308,
        "z_bvc": 243.2903908055402,
        "K_m_per_percent": 4.387694435686273
      },
      {
        "pvi_ch": 275.5764251911081,
        "pvi_z": 249.2547692450682,
        "bvc": 247.07062232750417,
        "evc": 304.08222805471206,
        "length": 57.011605727207865,
        "g1": 0.10356198055964308,
        "g2": 0.19858132343832285,
        "z_bvc": 246.30265184307063,
        "K_m_per_percent": 6.0
      }
    ],
    "stations": [
      {
        "ch": 0,
        "easting": 451549.3895,
        "northing": 6513000.12,
        "existing_z": 250.5154,
        "design_z": 250.5154,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451559.3895,
        "northing": 6513000.12,
        "existing_z": 248.9212,
        "design_z": 249.9639,
        "delta_z": 1.0427
      },
      {
        "ch": 20.0,
        "easting": 451569.3895,
        "northing": 6513000.12,
        "existing_z": 247.3326,
        "design_z": 249.4125,
        "delta_z": 2.0799
      },
      {
        "ch": 30.0,
        "easting": 451579.3895,
        "northing": 6513000.12,
        "existing_z": 246.328,
        "design_z": 248.8611,
        "delta_z": 2.5331
      },
      {
        "ch": 40.0,
        "easting": 451589.3895,
        "northing": 6513000.12,
        "existing_z": 245.3615,
        "design_z": 248.3097,
        "delta_z": 2.9483
      },
      {
        "ch": 48.8941,
        "easting": 451598.2836,
        "northing": 6513000.12,
        "existing_z": 245.4224,
        "design_z": 247.8193,
        "delta_z": 2.3969
      },
      {
        "ch": 50.0,
        "easting": 451599.3895,
        "northing": 6513000.12,
        "existing_z": 245.4384,
        "design_z": 247.7587,
        "delta_z": 2.3203
      },
      {
        "ch": 60.0,
        "easting": 451609.3895,
        "northing": 6513000.12,
        "existing_z": 245.5832,
        "design_z": 247.2472,
        "delta_z": 1.664
      },
      {
        "ch": 68.8941,
        "easting": 451618.2836,
        "northing": 6513000.12,
        "existing_z": 246.0551,
        "design_z": 246.8473,
        "delta_z": 0.7922
      },
      {
        "ch": 70.0,
        "easting": 451619.3895,
        "northing": 6513000.12,
        "existing_z": 246.1169,
        "design_z": 246.8012,
        "delta_z": 0.6843
      },
      {
        "ch": 80.0,
        "easting": 451629.3895,
        "northing": 6513000.12,
        "existing_z": 246.6759,
        "design_z": 246.4206,
        "delta_z": -0.2553
      },
      {
        "ch": 88.8941,
        "easting": 451638.2836,
        "northing": 6513000.12,
        "existing_z": 246.9156,
        "design_z": 246.1371,
        "delta_z": -0.7784
      },
      {
        "ch": 90.0,
        "easting": 451639.3895,
        "northing": 6513000.12,
        "existing_z": 246.943,
        "design_z": 246.1051,
        "delta_z": -0.8379
      },
      {
        "ch": 100.0,
        "easting": 451649.3895,
        "northing": 6513000.12,
        "existing_z": 247.1912,
        "design_z": 245.8155,
        "delta_z": -1.3757
      },
      {
        "ch": 110.0,
        "easting": 451659.3895,
        "northing": 6513000.12,
        "existing_z": 246.9775,
        "design_z": 245.5258,
        "delta_z": -1.4517
      },
      {
        "ch": 117.7882,
        "easting": 451667.1777,
        "northing": 6513000.12,
        "existing_z": 246.7877,
        "design_z": 245.3002,
        "delta_z": -1.4875
      },
      {
        "ch": 120.0,
        "easting": 451669.3895,
        "northing": 6513000.12,
        "existing_z": 246.7338,
        "design_z": 245.2356,
        "delta_z": -1.4982
      },
      {
        "ch": 130.0,
        "easting": 451679.3895,
        "northing": 6513000.12,
        "existing_z": 246.1186,
        "design_z": 244.9301,
        "delta_z": -1.1885
      },
      {
        "ch": 137.7882,
        "easting": 451687.1777,
        "northing": 6513000.12,
        "existing_z": 245.6207,
        "design_z": 244.677,
        "delta_z": -0.9437
      },
      {
        "ch": 140.0,
        "easting": 451689.3895,
        "northing": 6513000.12,
        "existing_z": 245.4793,
        "design_z": 244.6027,
        "delta_z": -0.8766
      },
      {
        "ch": 150.0,
        "easting": 451699.3895,
        "northing": 6513000.12,
        "existing_z": 244.5666,
        "design_z": 244.2532,
        "delta_z": -0.3134
      },
      {
        "ch": 157.7882,
        "easting": 451707.1777,
        "northing": 6513000.12,
        "existing_z": 243.842,
        "design_z": 243.9659,
        "delta_z": 0.1238
      },
      {
        "ch": 160.0,
        "easting": 451709.3895,
        "northing": 6513000.12,
        "existing_z": 243.6362,
        "design_z": 243.8824,
        "delta_z": 0.2461
      },
      {
        "ch": 170.0,
        "easting": 451719.3895,
        "northing": 6513000.12,
        "existing_z": 242.5633,
        "design_z": 243.5048,
        "delta_z": 0.9415
      },
      {
        "ch": 175.68,
        "easting": 451725.0694,
        "northing": 6513000.12,
        "existing_z": 241.9486,
        "design_z": 243.2904,
        "delta_z": 1.3418
      },
      {
        "ch": 180.0,
        "easting": 451729.3895,
        "northing": 6513000.12,
        "existing_z": 241.4811,
        "design_z": 243.1486,
        "delta_z": 1.6674
      },
      {
        "ch": 190.0,
        "easting": 451739.3895,
        "northing": 6513000.12,
        "existing_z": 240.5855,
        "design_z": 242.9834,
        "delta_z": 2.3979
      },
      {
        "ch": 200.0,
        "easting": 451749.3895,
        "northing": 6513000.12,
        "existing_z": 239.7021,
        "design_z": 243.0462,
        "delta_z": 3.3442
      },
      {
        "ch": 206.6823,
        "easting": 451756.0718,
        "northing": 6513000.12,
        "existing_z": 239.6344,
        "design_z": 243.2152,
        "delta_z": 3.5808
      },
      {
        "ch": 210.0,
        "easting": 451759.3895,
        "northing": 6513000.12,
        "existing_z": 239.627,
        "design_z": 243.3369,
        "delta_z": 3.71
      },
      {
        "ch": 220.0,
        "easting": 451769.3895,
        "northing": 6513000.12,
        "existing_z": 239.6044,
        "design_z": 243.8556,
        "delta_z": 4.2511
      },
      {
        "ch": 230.0,
        "easting": 451779.3895,
        "northing": 6513000.12,
        "existing_z": 240.586,
        "design_z": 244.6021,
        "delta_z": 4.0161
      },
      {
        "ch": 237.6847,
        "easting": 451787.0741,
        "northing": 6513000.12,
        "existing_z": 241.3905,
        "design_z": 245.3306,
        "delta_z": 3.9401
      },
      {
        "ch": 240.0,
        "easting": 451789.3895,
        "northing": 6513000.12,
        "existing_z": 241.6329,
        "design_z": 245.5704,
        "delta_z": 3.9375
      },
      {
        "ch": 247.0706,
        "easting": 451796.4601,
        "northing": 6513000.12,
        "existing_z": 242.7676,
        "design_z": 246.3027,
        "delta_z": 3.5351
      },
      {
        "ch": 250.0,
        "easting": 451799.3895,
        "northing": 6513000.12,
        "existing_z": 243.2531,
        "design_z": 246.6132,
        "delta_z": 3.3601
      },
      {
        "ch": 260.0,
        "easting": 451809.3895,
        "northing": 6513000.12,
        "existing_z": 244.9106,
        "design_z": 247.781,
        "delta_z": 2.8704
      },
      {
        "ch": 270.0,
        "easting": 451819.3895,
        "northing": 6513000.12,
        "existing_z": 247.0142,
        "design_z": 249.1154,
        "delta_z": 2.1012
      },
      {
        "ch": 275.5764,
        "easting": 451824.9659,
        "northing": 6513000.12,
        "existing_z": 248.2034,
        "design_z": 249.9319,
        "delta_z": 1.7286
      },
      {
        "ch": 280.0,
        "easting": 451829.3895,
        "northing": 6513000.12,
        "existing_z": 249.1467,
        "design_z": 250.6165,
        "delta_z": 1.4698
      },
      {
        "ch": 290.0,
        "easting": 451839.3895,
        "northing": 6513000.12,
        "existing_z": 251.5631,
        "design_z": 252.2843,
        "delta_z": 0.7212
      },
      {
        "ch": 300.0,
        "easting": 451849.3895,
        "northing": 6513000.12,
        "existing_z": 253.9979,
        "design_z": 254.1187,
        "delta_z": 0.1208
      },
      {
        "ch": 304.0822,
        "easting": 451853.4717,
        "northing": 6513000.12,
        "existing_z": 254.9368,
        "design_z": 254.9155,
        "delta_z": -0.0213
      },
      {
        "ch": 310.0,
        "easting": 451859.3895,
        "northing": 6513000.12,
        "existing_z": 256.2838,
        "design_z": 256.0906,
        "delta_z": -0.1932
      },
      {
        "ch": 320.0,
        "easting": 451869.3895,
        "northing": 6513000.12,
        "existing_z": 258.56,
        "design_z": 258.0765,
        "delta_z": -0.4836
      },
      {
        "ch": 330.0,
        "easting": 451879.3895,
        "northing": 6513000.12,
        "existing_z": 260.4338,
        "design_z": 260.0623,
        "delta_z": -0.3715
      },
      {
        "ch": 340.0,
        "easting": 451889.3895,
        "northing": 6513000.12,
        "existing_z": 262.2814,
        "design_z": 262.0481,
        "delta_z": -0.2333
      },
      {
        "ch": 344.4705,
        "easting": 451893.86,
        "northing": 6513000.12,
        "existing_z": 262.9359,
        "design_z": 262.9359,
        "delta_z": 0.0
      }
    ]
  },
  {
    "id": "RD468",
    "kind": "local",
    "width_m": 6,
    "reserve_m": 20,
    "length_m": 20.523,
    "target_radius_m": 45,
    "target_speed_kmh": 30,
    "max_design_grade_pct": 0.0,
    "radius_review_count": 2,
    "status": "PRELIMINARY / NOT FOR CONSTRUCTION",
    "entities": [
      {
        "type": "LINE",
        "start": [
          451549.3894685111,
          6513000.12
        ],
        "end": [
          451549.74357677466,
          6513005.8504
        ],
        "chainage_start": 0,
        "length": 5.741330579200263
      },
      {
        "type": "ARC",
        "centre": [
          451548.5942492542,
          6513005.9214223325
        ],
        "radius": 1.1515198309045123,
        "start_angle_rad": -0.06171620915949324,
        "sweep_rad": 2.6011933596876555,
        "start": [
          451549.74357677466,
          6513005.8504
        ],
        "end": [
          451547.64523654565,
          6513006.573628435
        ],
        "chainage_start": 5.741330579200263,
        "length": 2.995325737697469,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451547.6452365459,
          6513006.573628435
        ],
        "end": [
          451544.67998820596,
          6513002.258951911
        ],
        "chainage_start": 8.736656316897733,
        "length": 5.235373074136893
      },
      {
        "type": "ARC",
        "centre": [
          451545.8053767747,
          6513001.485532034
        ],
        "radius": 1.3655320341388544,
        "start_angle_rad": 2.539477150968325,
        "sweep_rad": 2.1729118294847756,
        "start": [
          451544.67998820596,
          6513002.258951911
        ],
        "end": [
          451545.8053767747,
          6513000.12
        ],
        "chainage_start": 13.972029391034626,
        "length": 2.9671807105207253,
        "target_radius": 45,
        "check": "REVIEW_RADIUS"
      },
      {
        "type": "LINE",
        "start": [
          451545.8053767748,
          6513000.12
        ],
        "end": [
          451549.3894685111,
          6513000.12
        ],
        "chainage_start": 16.93921010155535,
        "length": 3.584091736294795
      }
    ],
    "vertical_curves": [],
    "stations": [
      {
        "ch": 0,
        "easting": 451549.3895,
        "northing": 6513000.12,
        "existing_z": 250.5154,
        "design_z": 250.5154,
        "delta_z": 0.0
      },
      {
        "ch": 10.0,
        "easting": 451546.9297,
        "northing": 6513005.5325,
        "existing_z": 251.2028,
        "design_z": 250.5154,
        "delta_z": -0.6875
      },
      {
        "ch": 20.0,
        "easting": 451548.8662,
        "northing": 6513000.12,
        "existing_z": 250.6032,
        "design_z": 250.5154,
        "delta_z": -0.0878
      },
      {
        "ch": 20.5233,
        "easting": 451549.3895,
        "northing": 6513000.12,
        "existing_z": 250.5154,
        "design_z": 250.5154,
        "delta_z": 0.0
      }
    ]
  }
]