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  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-co-cols.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-co-cols",
  "elevation_provider": "IGN LiDAR HD MNT 0.5 m",
  "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": [
   "E1185-N6149",
   "E1185-N6150",
   "E1185-N6151",
   "E1186-N6148",
   "E1186-N6149",
   "E1186-N6150",
   "E1187-N6148",
   "E1187-N6149",
   "E1187-N6150",
   "E1188-N6148",
   "E1188-N6149",
   "E1188-N6150",
   "E1189-N6149",
   "E1189-N6150",
   "E1189-N6151",
   "E1190-N6150",
   "E1190-N6151",
   "E1190-N6152",
   "E1191-N6152",
   "E1191-N6153",
   "E1192-N6152",
   "E1192-N6153",
   "E1192-N6154",
   "E1193-N6153",
   "E1193-N6154"
  ],
  "elevation_blocks": [
   "21LHDCorseUS@2025-04-02"
  ],
  "ign_dalles": [
   "LHD_FXX_1185_6150_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1185_6151_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1185_6152_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1186_6149_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1186_6150_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1186_6151_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1187_6149_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1187_6150_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1187_6151_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1188_6149_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1188_6150_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1188_6151_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1189_6150_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1189_6151_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1189_6152_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1190_6151_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1190_6152_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1190_6153_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1191_6153_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1191_6154_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1192_6153_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1192_6154_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1192_6155_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1193_6154_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1193_6155_MNT_O_0M50_LAMB93_IGN78"
  ],
  "ign_missions": [
   "21LHDCorseUS"
  ],
  "ign_editions": [
   "2025-04-02"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_1185_6150_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1185_6151_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1185_6152_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1186_6149_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1186_6150_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1186_6151_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1187_6149_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1187_6150_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1187_6151_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1188_6149_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1188_6150_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1188_6151_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1189_6150_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1189_6151_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1189_6152_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1190_6151_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1190_6152_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1190_6153_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1191_6153_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1191_6154_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1192_6153_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1192_6154_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1192_6155_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1193_6154_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1193_6155_MNT_O_0M50_LAMB93_IGN78": "2025-04-02"
  },
  "climb_origin": "named-pass",
  "structure_own_ways": "none \u2014 the route carried no way list and no mapped way runs along it; own decks unmasked",
  "carriageway": {
   "stations": 784,
   "stations_resolved": 784,
   "width_median_m": 6.75,
   "width_p10_m": 5.25,
   "width_min_m": 1.25,
   "width_max_m": 11.75,
   "bounded_share": 0.171,
   "unbounded_share": 0.829,
   "confidence_median": 0.0,
   "width_median_bounded_m": 7.25,
   "window_m": [
    84.0,
    109.0
   ],
   "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": 784,
    "stations_resolved": 784,
    "width_median_m": 8.5,
    "width_p10_m": 1.25,
    "width_min_m": 0.0,
    "width_max_m": 12.0,
    "bounded_share": 0.672,
    "unbounded_share": 0.328,
    "confidence_median": 1.0,
    "width_median_bounded_m": 6.5,
    "window_m": [
     84.0,
     109.0
    ],
    "width_at_max25_m": 11.25,
    "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": "Albertacce",
  "county": "Haute-Corse",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}