{"id": "949b9ad4-3fed-4ae9-a0ed-f014cad70f98", "slug": "keystone-viaduct-on-the-great-allegheny-passage", "name": "Keystone Viaduct on the Great Allegheny Passage", "states": ["PA"], "length_km": 0.29, "rail_km": 0.29, "surface": "paved", "status": "unknown", "kind": "rail", "managing_org": null, "operator": null, "website": null, "osm_relation_id": null, "description": null, "osm_description": null, "wikipedia": null, "wikidata": null, "last_verified": null, "confidence": null, "refs": [{"url": "https://www.openstreetmap.org/", "kind": "osm", "title": "OpenStreetMap ways for this trail", "license": "ODbL", "accessed": "2026-10-12", "publisher": "OpenStreetMap contributors"}], "cite": {"name": [1], "rail_km": [1], "surface": [1], "geometry": [1], "length_km": [1]}, "trailheads": null, "facts": null, "photos": null, "geometry": {"type": "LineString", "coordinates": [[-78.994433, 39.8092215], [-78.9947185, 39.8094664], [-78.9950481, 39.8098234], [-78.995321, 39.8101846], [-78.9956217, 39.8106617], [-78.9957742, 39.8109862], [-78.9959547, 39.8114793]]}}