Every reportable highway-rail grade-crossing accident in the United States since 1975 — 250,636 unique records from FRA Form 57 source data. Per incident: reporting railroad code (CSX, BNSF, UP, NS, AMTK, etc), DOT grade crossing ID (joins to FRA Grade Crossing Inventory), incident date + time, highway/street name, full location (state/county/city/station), vehicle type (auto / bus / truck / pedestrian / motorcycle), vehicle speed + direction, train speed + direction + locomotives + cars, casualty breakdown (railroad employees / passengers / highway users killed and injured), accident type, warning systems present (signal / lights / locwarn / warning_signal), Amtrak flag, hazardous-materials flag. Every Class I railroad, every Amtrak corridor, every commuter rail, every short-line. Powers /grade-crossing/{id} canonical Event JSON-LD pages.
The listed URL identifies a referenced source; it does not by itself document the ingestion endpoint. Referenced source URL: https://railroads.dot.gov/safety-data. Source-specific terms apply. US federal employee-authored works are generally public domain under 17 USC 105; non-federal and third-party material retains source terms. Free or keyless access does not alter source terms. Metadata and normalization authored by MORVS (AI Analytics LLC) are CC0 only where expressly stated.