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  "elevation_tiles": [
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  "calculated_at": "2026-10-03T19:49:01+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/no-b11-block-batch-no-b11.osm.pbf",
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  "run_id": "no-b11",
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  "elevation_licence": "CC BY 4.0 \u2014 \u00a9 Kartverket (https://www.kartverket.no/api-og-data/vilkar-for-bruk)",
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   },
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   },
   {
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   },
   {
    "last_flight_date": "2014-01-01",
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  "nhm_retrieved_at": "2026-10-03T08:34:35Z",
  "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": "discovered",
  "seam_filled_samples": {
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   "distances_m": []
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  "seam_filled_in_maximum": false,
  "structure_own_ways": 2,
  "tunnel_check": "osm tunnel=* ways on 2 own way(s)",
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   "stations_resolved": 36,
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   "width_at_max25_m": 5.75,
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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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    "stations_resolved": 36,
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  "naming_note": "birth-named at adoption (named from its own OSM street ('Spongdalsvegen'), anchored to 'Haugplassen' (Peter, 2026-09-30))",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Trondheim",
  "county": "Tr\u00f8ndelag",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}