{"fingerprint":"869f1206e902e29b06651c6f8e8a62fe6837ebabd2f7d45c0f3a82487d6bc89d","retrieved_at":"2026-09-13T20:19:04.716483+00:00","engine":"Valhalla pedestrian","engine_status":{"version":"3.5.1","tileset_last_modified":1782402548,"available_actions":["status","centroid","expansion","transit_available","trace_attributes","trace_route","isochrone","optimized_route","sources_to_targets","height","route","locate"]},"schema":"pedestrian-time-v1","max_straight_m":1000,"costing":"pedestrian","units":"kilometers","costing_options":{"pedestrian":{"type":"foot","walking_speed":5.1,"use_ferry":0,"ferry_cost":3600}},"ferry_policy":"Audit all endpoint candidate edges as non-ferry; 3600 s boarding cost keeps ferry journeys outside every time threshold. Version 3.5.1 has no hard exclude_ferries option.","time_field":"time","time_unit":"seconds","max_walking_kmh":6.0,"time_policy":"max(raw_time_s, straight_m * 3.6 / 6); no fixed-speed conversion of route distance","distance_policy":"max(raw_walk_m, straight_m)","population_n":1349,"time_thresholds_min":[3,5,10],"non_ferry_endpoints_verified":1349,"coverage_bound":"At 6 km/h, 10 minutes is 1000 m: the 1 km preselection and outside-city buffer cover all positive-weight rivals under this time policy.","path_policy":"Unknown relevant times invalidate CI; estimates, not measured journeys or live signal waits."}