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  "road_source": "OpenStreetMap (local PBF extract)",
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  "elevation_provider": "Environment Agency",
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  "elevation_licence": "Open Government Licence v3 \u2014 \u00a9 Environment Agency",
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  "notes": "Coarse pass: max 11.7% over 200 m (Terrain 50), gain 105.3 m over 1714 m way. EXTENDED by graph walk: +3 segment(s) at base, +2 at top (stop: base=no_descending_continuation, top=no_ascending_continuation; min_avg=2.0%). Review before adopting. DEDUPE: absorbed 2 overlapping proposal(s): aller-hill, aller-hill-2 ADOPTED (England launch slice 2026-08-16): clean-steep.",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing.html"
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 "area": {
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  "county": "Devon"
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}