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   "data/cache/fr/ign-lidarhd_dtm_E632-N6265_0m5@21LHD3JQ-2025-03-14.tif",
   "data/cache/fr/ign-lidarhd_dtm_E632-N6266_0m5@21LHD3JQ-2025-03-14.tif",
   "data/cache/fr/ign-lidarhd_dtm_E633-N6263_0m5@21LHD3JQ-2025-03-14.tif",
   "data/cache/fr/ign-lidarhd_dtm_E633-N6264_0m5@21LHD3JQ-2025-03-14.tif",
   "data/cache/fr/ign-lidarhd_dtm_E633-N6265_0m5@21LHD3JQ-2025-03-14.tif",
   "data/cache/fr/ign-lidarhd_dtm_E634-N6263_0m5@21LHD3JQ-2025-03-14.tif",
   "data/cache/fr/ign-lidarhd_dtm_E634-N6264_0m5@21LHD3JQ-2025-03-14.tif",
   "data/cache/fr/ign-lidarhd_dtm_E635-N6263_0m5@21LHD3JQ-2025-03-14.tif",
   "data/cache/fr/ign-lidarhd_dtm_E635-N6264_0m5@21LHD3JQ-2025-03-14.tif"
  ],
  "calculated_at": "2026-09-22T17:15:02+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc3.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-mc3",
  "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": [
   "E632-N6264",
   "E632-N6265",
   "E632-N6266",
   "E633-N6263",
   "E633-N6264",
   "E633-N6265",
   "E634-N6263",
   "E634-N6264",
   "E635-N6263",
   "E635-N6264"
  ],
  "elevation_blocks": [
   "21LHD3JQ@2025-03-14"
  ],
  "ign_dalles": [
   "LHD_FXX_0632_6265_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0632_6266_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0632_6267_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0633_6264_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0633_6265_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0633_6266_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0634_6264_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0634_6265_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0635_6264_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0635_6265_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD3JQ"
  ],
  "ign_editions": [
   "2025-03-14"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0632_6265_MNT_O_0M50_LAMB93_IGN69": "2025-03-14",
   "LHD_FXX_0632_6266_MNT_O_0M50_LAMB93_IGN69": "2025-03-14",
   "LHD_FXX_0632_6267_MNT_O_0M50_LAMB93_IGN69": "2025-03-14",
   "LHD_FXX_0633_6264_MNT_O_0M50_LAMB93_IGN69": "2025-03-14",
   "LHD_FXX_0633_6265_MNT_O_0M50_LAMB93_IGN69": "2025-03-14",
   "LHD_FXX_0633_6266_MNT_O_0M50_LAMB93_IGN69": "2025-03-14",
   "LHD_FXX_0634_6264_MNT_O_0M50_LAMB93_IGN69": "2025-03-14",
   "LHD_FXX_0634_6265_MNT_O_0M50_LAMB93_IGN69": "2025-03-14",
   "LHD_FXX_0635_6264_MNT_O_0M50_LAMB93_IGN69": "2025-03-14",
   "LHD_FXX_0635_6265_MNT_O_0M50_LAMB93_IGN69": "2025-03-14"
  },
  "route_cut_m": 6634.0,
  "climb_origin": "named-pass",
  "structure_own_ways": 22,
  "structure_mask_ranges_m": [
   [
    401.6,
    412.7
   ],
   [
    1161.3,
    1169.8
   ],
   [
    6141.6,
    6149.5
   ],
   [
    1113.2,
    1116.6
   ],
   [
    1816.9,
    1820.8
   ],
   [
    3113.6,
    3125.2
   ],
   [
    4870.0,
    4878.0
   ],
   [
    3511.2,
    3520.0
   ],
   [
    1147.4,
    1161.3
   ]
  ],
  "mask_basin_extension_m": 43.0,
  "suppression_unstable": [
   20.0
  ],
  "carriageway": {
   "stations": 272,
   "stations_resolved": 272,
   "width_median_m": 5.0,
   "width_p10_m": 2.25,
   "width_min_m": 0.5,
   "width_max_m": 11.5,
   "bounded_share": 0.504,
   "unbounded_share": 0.496,
   "confidence_median": 0.502,
   "width_median_bounded_m": 5.25,
   "window_m": [
    2627.0,
    2652.0
   ],
   "width_at_max25_m": 2.75,
   "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": 272,
    "stations_resolved": 272,
    "width_median_m": 3.25,
    "width_p10_m": 1.0,
    "width_min_m": 0.5,
    "width_max_m": 11.75,
    "bounded_share": 0.934,
    "unbounded_share": 0.066,
    "confidence_median": 1.0,
    "width_median_bounded_m": 3.0,
    "window_m": [
     2627.0,
     2652.0
    ],
    "width_at_max25_m": 3.0,
    "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": "Massaguel",
  "county": "Tarn",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}