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  "calculated_at": "2026-08-18T08:21:13+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
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  "osm_pbf_path": "data/cache/pbf/scotland-2026-08-14-roads.osm.pbf",
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  "elevation_provider": "Scottish Remote Sensing Portal (AWS Open Data, srsp-open-data)",
  "elevation_licence": "Open Government Licence v3 \u2014 \u00a9 Scottish Government, SEPA and partners; Crown copyright",
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 },
 "area": {
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  "county": "Argyll and Bute"
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}