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  "elevation_licence": "Licence Ouverte / Open Licence 2.0 (Etalab) \u2014 \u00a9 IGN, LiDAR HD (MNT/MNS), data.geopf.fr; reproduction autoris\u00e9e avec mention de la source et de la date",
  "elevation_dataset": "LiDAR HD \u2014 MNT (sol) et MNS (surface), 0,50 m (Institut national de l'information g\u00e9ographique et foresti\u00e8re), RGF93 / Lambert-93 EPSG:2154, altitudes IGN69",
  "elevation_vertical_datum": "IGN69",
  "elevation_tile_ids": [
   "E605-N6176",
   "E605-N6177",
   "E605-N6178"
  ],
  "elevation_blocks": [
   "21LHD3JS@2025-03-26"
  ],
  "ign_dalles": [
   "LHD_FXX_0605_6177_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0605_6178_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0605_6179_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD3JS"
  ],
  "ign_editions": [
   "2025-03-26"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0605_6177_MNT_O_0M50_LAMB93_IGN69": "2025-03-26",
   "LHD_FXX_0605_6178_MNT_O_0M50_LAMB93_IGN69": "2025-03-26",
   "LHD_FXX_0605_6179_MNT_O_0M50_LAMB93_IGN69": "2025-03-26"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 1,
  "carriageway": {
   "stations": 155,
   "stations_resolved": 155,
   "width_median_m": 5.0,
   "width_p10_m": 2.0,
   "width_min_m": 1.0,
   "width_max_m": 12.0,
   "bounded_share": 0.368,
   "unbounded_share": 0.632,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.75,
   "window_m": [
    1764.0,
    1789.0
   ],
   "width_at_max25_m": 5.0,
   "window_stations": 7,
   "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",
   "station_m": 25.0,
   "window_station_m": 5.0,
   "halfwidth_m": 6.0,
   "step_m": 0.25,
   "level_tol_m": 0.12,
   "break_min_m": 0.3,
   "stations_failed": 0,
   "hedge_to_hedge": {
    "stations": 155,
    "stations_resolved": 155,
    "width_median_m": 2.5,
    "width_p10_m": 0.5,
    "width_min_m": 0.0,
    "width_max_m": 12.0,
    "bounded_share": 0.89,
    "unbounded_share": 0.11,
    "confidence_median": 1.0,
    "width_median_bounded_m": 2.0,
    "window_m": [
     1764.0,
     1789.0
    ],
    "width_at_max25_m": 3.5,
    "window_stations": 7,
    "status": "ok",
    "source": "dsm",
    "station_m": 25.0,
    "window_station_m": 5.0,
    "halfwidth_m": 6.0,
    "step_m": 0.25,
    "level_tol_m": 0.5,
    "break_min_m": 0.3,
    "stations_failed": 0
   }
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Ax-les-Thermes",
  "county": "Ari\u00e8ge",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}