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  "calculated_at": "2026-10-03T19:47:08+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
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  "osm_snapshot": "",
  "run_id": "no-b02",
  "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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   },
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    "season": "",
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    "points_per_m2": 2,
    "resolution_m": 0.5,
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   },
   {
    "last_flight_date": "2011-06-03",
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    "points_per_m2": 3,
    "resolution_m": 0.5,
    "season": "",
    "year": 2011
   },
   {
    "last_flight_date": "2008-01-01",
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   "S\u00f8gne Songdalen 2008"
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  "nhm_retrieved_at": "2026-10-03T07:21:49Z",
  "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",
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   "distances_m": []
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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",
   "status": "ok",
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  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Kristiansand",
  "county": "Agder",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}