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   [
    0.0,
    119.4
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    12048.8
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   "stations_resolved": 569,
   "width_median_m": 8.75,
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   "width_min_m": 5.0,
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   "unbounded_share": 0.786,
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   "window_m": [
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   "single_track": false,
   "single_track_rule": "PROVISIONAL (2026-09-15): width_p10_m <= 3.0 m with bounded_share >= 0.6; recorded, not a rule",
   "status": "ok",
   "source": "dtm",
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   "window_station_m": 5.0,
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    "stations_resolved": 569,
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  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Saint-Rome-de-Tarn",
  "county": "Aveyron",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}