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  "calculated_at": "2026-10-04T03:59:45+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
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  "osm_pbf_path": "data/cache/pbf/no-b05-block-batch-no-b05.osm.pbf",
  "osm_snapshot": "",
  "run_id": "no-b05",
  "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",
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    "resolution_m": 0.5,
    "season": "",
    "year": 2018
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   {
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    "last_flight_date": "2011-06-01",
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    "season": "",
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  "nhm_retrieved_at": "2026-10-03T15:38:23Z",
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  "structure_own_ways": 2,
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   "single_track_rule": "PROVISIONAL (2026-09-15): width_p10_m <= 3.0 m with bounded_share >= 0.6; recorded, not a rule",
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  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Sigdal",
  "county": "Buskerud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}