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Federal
Railroad Crossings
Department of Homeland Security —
Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on Railroad Crossings. -
Federal
Collection Travel Monitoring Analysis System (TMAS)
Department of Transportation —
Internal FHWA data program that assists in the collection and analysis of data on traffic volumes, vehicle classification, truck weights for traffic statistics,... -
Federal
NCEP-NCAR Reanalysis 1
National Oceanic and Atmospheric Administration, Department of Commerce —
Data is from NCEP initialized reanalysis (4x/day). It consists of most variables interpolated to pressure surfaces from model (sigma) surfaces. -
Federal
National HM Route Registry - National HM Route Registry
Department of Transportation —
Information related to preferred and restricted routes for carrying hazardous materials.