{
  "name": "Laguna Seca",
  "description": "Tiny GP's Laguna Seca layout: a closed loop of control points (joined by a Catmull–Rom spline), points[0] on the start/finish line. A derived database of OpenStreetMap data.",
  "license": "ODbL-1.0",
  "licenseUrl": "https://opendatacommons.org/licenses/odbl/1-0/",
  "attribution": "© OpenStreetMap contributors",
  "attributionUrl": "https://www.openstreetmap.org/copyright",
  "notice": "Contains information from OpenStreetMap, which is made available here under the Open Database License 1.0.",
  "source": {
    "api": "Overpass API",
    "query": "[out:json][timeout:60];way[\"highway\"=\"raceway\"](36.575,-121.770,36.595,-121.740);out tags geom;",
    "fetched": "2026-09-30",
    "osmBase": "2026-09-30T08:57:49Z",
    "ways": [
      10464852,
      1315957502,
      1315957503,
      1315957504,
      1315957505,
      1315957506,
      1315957507,
      1315957508
    ],
    "excluded": [
      {
        "id": 109859349,
        "name": "Pit Lane"
      }
    ]
  },
  "processing": [
    "stitched the 8 highway=raceway ways into one closed loop in their own (racing) direction, leaving out way 109859349 (Pit Lane)",
    "projected to metres (equirectangular, centred on the loop's mean vertex; x east, y north) and started at the start/finish line (36.58734, -121.75584), running anticlockwise",
    "scaled by 0.55 about the start/finish line, the origin",
    "smoothed: resampled every ~2 m, corners opened to a 16.5 m minimum radius, sections kept 20 m apart and the start straightened; then reduced to control points (Douglas–Peucker, 0.4 m) rounded to 0.1 m"
  ],
  "units": "m",
  "coordinates": "x east, y north, from the start/finish line",
  "points": [
    [0, 0],
    [-21.4, -29],
    [-28.5, -38.7],
    [-30.8, -41.9],
    [-42.7, -58],
    [-52.6, -73],
    [-61.5, -91],
    [-74.6, -120.2],
    [-87.2, -149.6],
    [-91.2, -160.9],
    [-93.8, -170.6],
    [-95.1, -182.5],
    [-95.4, -204.5],
    [-95.4, -224.5],
    [-94.5, -252.5],
    [-93.5, -278.5],
    [-92.5, -284.4],
    [-89.7, -289.7],
    [-85.5, -293.9],
    [-80.1, -296.6],
    [-74.2, -297.4],
    [-68.3, -296.8],
    [-62.5, -295],
    [-57.5, -291.9],
    [-53.6, -287.4],
    [-51.2, -281.9],
    [-50.5, -278],
    [-50.8, -274],
    [-57.4, -253],
    [-61.2, -235.4],
    [-62.5, -223.5],
    [-62.8, -209.5],
    [-61.2, -191.5],
    [-55.8, -162],
    [-52.4, -154.8],
    [-46.8, -149.2],
    [-43.3, -147.2],
    [-37.7, -145.2],
    [-33.7, -144.6],
    [-27.8, -145.2],
    [5.3, -152.9],
    [36.5, -160.5],
    [69.6, -168.4],
    [79.2, -171.1],
    [86.3, -174.7],
    [92.4, -179.9],
    [97, -186.4],
    [99.9, -193.8],
    [102.5, -219.7],
    [104.4, -243.6],
    [106.2, -275.6],
    [105, -293.5],
    [101.8, -311.3],
    [91.7, -347.9],
    [81.8, -382.5],
    [71.4, -419.1],
    [70.8, -425.1],
    [71.4, -431],
    [73.1, -436.7],
    [77.1, -443.6],
    [83.1, -448.9],
    [88.4, -451.8],
    [94, -453.9],
    [103.8, -455.7],
    [113.8, -455.7],
    [137.6, -452.8],
    [165.2, -447.7],
    [192.7, -442.6],
    [220.4, -438.4],
    [246.1, -434.6],
    [265.8, -431.1],
    [271.8, -430],
    [277.7, -429],
    [281.6, -428.2],
    [283.5, -427.8],
    [289.1, -425.5],
    [292.2, -423],
    [293.5, -421.5],
    [295.8, -418.2],
    [296.8, -416.5],
    [299.7, -411.2],
    [302.5, -405.9],
    [313.3, -384.5],
    [318.6, -369.4],
    [322, -353.8],
    [324.2, -333.9],
    [324.6, -309.9],
    [324.6, -287.9],
    [326.6, -249.9],
    [325.9, -225.9],
    [324.9, -201.9],
    [326.9, -190.1],
    [331.5, -172.7],
    [332.5, -164.9],
    [331.6, -157.3],
    [329, -152.5],
    [325, -148.4],
    [315, -141.9],
    [312, -139.3],
    [308.8, -134.2],
    [306.7, -128.6],
    [305.1, -120.8],
    [304, -106.8],
    [304.3, -98.8],
    [306.3, -82.9],
    [305.8, -71],
    [304.2, -61.1],
    [301.8, -51.4],
    [299.5, -45.8],
    [296.5, -40.7],
    [288.5, -31.7],
    [280.4, -25.9],
    [272.9, -23.1],
    [265, -22.3],
    [257.1, -23.9],
    [234, -30.3],
    [197.7, -41.4],
    [161.3, -52.5],
    [155.4, -53.4],
    [151.4, -53.2],
    [145.6, -51.8],
    [142, -50],
    [135.9, -44.9],
    [131.5, -38.2],
    [115.8, -8],
    [101, 20.4],
    [95.8, 33.4],
    [88.3, 60.3],
    [84.6, 69.6],
    [79.2, 80.3],
    [75.8, 85.3],
    [72.8, 87.9],
    [69.3, 89.8],
    [65.4, 90.7],
    [59.4, 90.4],
    [55.7, 89.1],
    [52.3, 86.8],
    [48.3, 82.4],
    [40, 68.8],
    [36.1, 52.2],
    [32.9, 45],
    [30.8, 41.8],
    [28.4, 38.6],
    [16.6, 22.6]
  ]
}