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own decks unmasked", "carriageway": { "stations": 348, "stations_resolved": 348, "width_median_m": 4.25, "width_p10_m": 2.5, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.376, "unbounded_share": 0.624, "confidence_median": 0.0, "width_median_bounded_m": 3.25, "window_m": [ 2704.0, 2729.0 ], "width_at_max25_m": 4.75, "window_stations": 7, "single_track": false, "single_track_rule": "PROVISIONAL (2026-09-15): width_p10_m <= 3.0 m with bounded_share >= 0.6; recorded, not a rule", "status": "ok", "source": "dtm", "station_m": 25.0, "window_station_m": 5.0, "halfwidth_m": 6.0, "step_m": 0.25, "level_tol_m": 0.12, "break_min_m": 0.3, "stations_failed": 0, "hedge_to_hedge": { "stations": 348, "stations_resolved": 348, "width_median_m": 5.5, "width_p10_m": 1.5, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.681, "unbounded_share": 0.319, "confidence_median": 1.0, "width_median_bounded_m": 4.0, "window_m": [ 2704.0, 2729.0 ], "width_at_max25_m": 2.5, "window_stations": 7, "status": "ok", "source": "dsm", "station_m": 25.0, "window_station_m": 5.0, "halfwidth_m": 6.0, "step_m": 0.25, "level_tol_m": 0.5, "break_min_m": 0.3, "stations_failed": 0 } }, "license": "ODbL-1.0", "license_url": "https://howsteep.org/licensing" }, "area": { "place": "Foel", "county": "Powys - Powys" } }