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  "calculated_at": "2026-10-03T22:44:56+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/no-b03-block-batch-no-b03.osm.pbf",
  "osm_snapshot": "",
  "run_id": "no-b03",
  "elevation_provider": "Kartverket NHM DTM 1 m (laser-covered ground only)",
  "elevation_licence": "CC BY 4.0 \u2014 \u00a9 Kartverket (https://www.kartverket.no/api-og-data/vilkar-for-bruk)",
  "elevation_dataset": "Nasjonal h\u00f8ydemodell (NHM) DTM, 1 m, EPSG:25833, NN2000 (Kartverket), served by the hoydedata.no ImageServer; ground without a laser project is a coarser resampled product and is never measured",
  "elevation_vertical_datum": "NN2000",
  "elevation_tile_ids": [
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  "elevation_blocks": [
   "nhm-dtm-1m"
  ],
  "nhm_laser_projects": [
   {
    "name": "NDH Bl\u00e5fjellet 4pkt 2017",
    "year": 2017,
    "last_flight_date": "2017-01-01",
    "points_per_m2": 4,
    "resolution_m": 0.25,
    "season": "season-unknown"
   },
   {
    "name": "NDH H\u00f8yanger-Vik 5pkt 2017",
    "year": 2017,
    "last_flight_date": "2017-07-20",
    "points_per_m2": 5,
    "resolution_m": 0.25,
    "season": ""
   },
   {
    "name": "NDH H\u00f8yanger-Vik-St\u00f8lsheimen 2pkt 2016",
    "year": 2016,
    "last_flight_date": "2016-10-14",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": ""
   },
   {
    "name": "NDH Kvitanosi 4pkt 2019",
    "year": 2019,
    "last_flight_date": "2019-01-01",
    "points_per_m2": 4,
    "resolution_m": 0.25,
    "season": "season-unknown"
   },
   {
    "name": "NDH Vik-Aurland-L\u00e6rdal 2pkt 2019",
    "year": 2019,
    "last_flight_date": "2019-09-22",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": ""
   },
   {
    "name": "NDH Voss 5pkt 2016",
    "year": 2016,
    "last_flight_date": "2016-08-16",
    "points_per_m2": 5,
    "resolution_m": 0.25,
    "season": ""
   },
   {
    "name": "Sogn og Fjordane 2009",
    "year": 2009,
    "last_flight_date": "2009-01-01",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": "season-unknown"
   },
   {
    "name": "Vik 2015",
    "year": 2015,
    "last_flight_date": "2015-09-28",
    "points_per_m2": 5,
    "resolution_m": 0.25,
    "season": ""
   },
   {
    "name": "Voss Vaksdal 2010",
    "year": 2010,
    "last_flight_date": "2010-09-05",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": ""
   }
  ],
  "nhm_last_flight_date": "2019-09-22",
  "nhm_flight_season_unknown": [
   "NDH Bl\u00e5fjellet 4pkt 2017",
   "NDH Kvitanosi 4pkt 2019",
   "Sogn og Fjordane 2009"
  ],
  "nhm_retrieved_at": "2026-10-03T22:44:40Z",
  "nhm_note": "laser projects overlapping the route's cells; the mosaic draws on them by its own priority and which project supplied which pixel is not recorded",
  "climb_origin": "named-pass",
  "named_pass": "Vikafjellet",
  "seam_filled_samples": {
   "count": 0,
   "distances_m": []
  },
  "seam_filled_in_maximum": false,
  "structure_own_ways": 28,
  "tunnel_check": "osm tunnel=* ways on 28 own way(s)",
  "tunnel_ranges_m": [
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  "underground_fraction": 0.0418,
  "structure_mask_ranges_m": [
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    12551.8,
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   ],
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    3060.7,
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    2147.7,
    2162.5
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    16660.2,
    16690.7
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    20231.8,
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  "mask_basin_extension_m": 25.0,
  "carriageway": {
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   "stations_resolved": 1010,
   "width_median_m": 7.0,
   "width_p10_m": 5.5,
   "width_min_m": 2.0,
   "width_max_m": 12.0,
   "bounded_share": 0.223,
   "unbounded_share": 0.777,
   "confidence_median": 0.0,
   "width_median_bounded_m": 6.75,
   "window_m": [
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    4070.0
   ],
   "width_at_max25_m": 10.12,
   "window_stations": 6,
   "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": 1010,
    "stations_resolved": 1010,
    "width_median_m": 10.25,
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    "width_min_m": 1.0,
    "width_max_m": 12.0,
    "bounded_share": 0.455,
    "unbounded_share": 0.545,
    "confidence_median": 0.0,
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    "width_at_max25_m": 11.38,
    "window_stations": 6,
    "status": "ok",
    "source": "dsm",
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    "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": "Vik",
  "county": "Vestland",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}