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  "notes": "Coarse pass: max 17.5% over 200 m (Terrain 50), gain 163.7 m over 1543 m way. KEPT at seed extent: no ascending continuation (min_avg=2.0%). ADOPTED (NE wave 1, 2026-08-25): endurance. Wales dials per PRODUCTION 'US ADOPTION DIALS'. NAMED from state inventory (identification-certain): NHDOT roads via NH GRANIT surf_type: 'Cathedral Ledge Rd' covers 96% of route samples (inventory coverage 96%, max offset 15.2 m) \u2014 was 'Discovered lane (44.0653, -71.1718)'.",
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  "license_url": "https://howsteep.org/licensing.html"
 },
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}