Thursday, March 18, 2010

National Transportation Atlas Database (NTAD) ArcGIS Shapefiles Free Download

NOTE: These data are provided in ESRI shapefile format. For your convenience and to improve your download performance, datasets that are larger than 20 mb are also available for download by smaller US DOT regions. There are 10 US DOT Regions, with each region being composed of 3 to 8 states. There are point, polyline and polygon shapefiles.

POINT ARCGIS SHAPEFILE LAYERS include Public-Use Airports, Alternative Fuels Stations, Amtrak Stations, Automatic Traffic Recorder Stations, Highway-Rail Grade Crossings, Intermodal Terminal Facilities, National Bridge Inventory, National Populated Places, U.S. Army Corps of Engineers Ports, and Weigh in Motion Stations ... Download the point shapefile map layers.

POLYLINE ARCGIS SHAPEFILE LAYERS include Freight Analysis Network, Hazardous Material Routes, Highway Performance Monitoring System, National Highway Planning Network, Railway Network, Fixed-Guideway Transit Facilities, and U.S. Army Corps of Engineers Navigable Waterway Network ... Download the polyline shapefile map layers.

POLYGONS ARCGIS SHAPEFILE LAYERS include Bureau of the Census Urbanized Area Boundaries, The 111th Congressional Districts Boundaries, U.S. County Boundaries, Hydrographic Features, U.S. Military Installations, Metropolitan Planning Organization, Core Based Statistical Areas, Non Attainment Areas (carbon monoxide, lead, nitrogen dioxide, ozone, particulate matter 10, particulate matter 2.5, sulfur oxides), and National Park System Boundary Dataset, U.S. State Boundaries ... Download the polygon shapefile map layers.

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