USA (Highway-Rail Grade Crossings, 2008)
- FRA Grade Crossings is a spatial file that originates from the National Highway-Rail Crossing Inventory Program. The program is to provide information to Federal, State, and local governments as well as the railroad industry for the improvements of safety at highway-rail crossing.
- U.S. Federal Railroad Administration (FRA)
- USA and United States
- grade crossings, rail crossings, highway-rail crossings, point, and transportation
- Held by
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