{
  "source": "OpenStreetMap",
  "relationId": 6537729,
  "relationVersion": 13,
  "relationTimestamp": "2026-05-14T04:55:33Z",
  "retrievedAt": "2026-10-17T05:13:40.702247+00:00",
  "sourceUrl": "https://api.openstreetmap.org/api/0.6/map?bbox=-97.645,30.129,-97.623,30.141",
  "relationUrl": "https://www.openstreetmap.org/relation/6537729",
  "license": "ODbL-1.0",
  "licenseUrl": "https://opendatacommons.org/licenses/odbl/1-0/",
  "attribution": "© OpenStreetMap contributors",
  "attributionUrl": "https://www.openstreetmap.org/copyright",
  "sourceSha256": "2e2ba134399454375a47d99ac712203d72bbbcf71dfe2b001e673fcd5f32219d",
  "coordinateReferenceSystem": "WGS 84 longitude/latitude (EPSG:4326)",
  "layoutIdentity": "cota-full-grand-prix-osm-relation-6537729-v13",
  "geometryType": "Approximate community-mapped geographic centreline; not a surveyed boundary or a car trajectory",
  "configuration": "Full 20-turn Grand Prix loop; excludes pit lane, karting, NASCAR and short courses",
  "eventVerification": "General layout cross-checked against FIA 2025 circuit map; 2026 event-specific operational details are not asserted",
  "wayVersions": [
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      "id": "118258939",
      "version": 6
    },
    {
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    {
      "id": "514758200",
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    {
      "id": "514820043",
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    {
      "id": "514820041",
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      "id": "118258930",
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    {
      "id": "118258958",
      "version": 5
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    {
      "id": "118258962",
      "version": 4
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      "id": "118258931",
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      "id": "118258943",
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      "id": "514836010",
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      "id": "118258952",
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    {
      "id": "118258957",
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    {
      "id": "118258959",
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  ],
  "boundsWgs84": [
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    30.1300504,
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    30.1394338
  ],
  "projection": {
    "type": "local equirectangular",
    "earthRadiusM": 6371008.8,
    "originLon": -97.63495766445087,
    "originLat": 30.135289361560694,
    "rotationDegrees": 0,
    "svgYInverted": true,
    "displayScalePxPerM": 0.2003090095470853,
    "displayCenterM": [
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    "viewBox": [
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    ],
    "paddingPx": 28
  },
  "processing": [
    "Ordered original main-loop ways from relation 6537729 version 13",
    "Excluded non-empty member roles, including pit_lane, start and finish",
    "Deduplicated only shared way endpoints in the merged route",
    "Preserved every original source coordinate",
    "No geometric smoothing, interpolation, simplification or anisotropic screen scaling",
    "Three editorial highlights from named turn-way groups; not timing sectors"
  ],
  "coordinateCount": 347,
  "wayCount": 29,
  "computedProjectedLengthM": 5502.231521585385,
  "officialCircuitLengthM": 5513,
  "lengthDifferencePercent": -0.19532883030319148,
  "outputChecksums": "See manifest.json for SHA-256 checksums of all generated assets; the manifest does not checksum itself."
}
