2008. FHWA. National Bridge Inventory is a point theme representing bridges in the United States.
The NBI is a collection of information (database) covering t... Federal Highway Administration (FHWA).
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2011. United States. Bureau of Transportation Statistics and United States. Federal Highway Administration. The NBI is a collection of information (database) describing the more than 600,000 of the Nation's bridges located on public roads, including Inter... Federal Highway Administration (FHWA).
2008. FHWA. The National Highway Planning Network is a line theme representing the major highway system in the United States. It consists of the nation's high... Federal Highway Administration (FHWA).
2013. United States. Bureau of Transportation Statistics and United States. Federal Highway Administration. The National Highway Planning Network is a comprehensive network database of the nation's major highway system. It consists of the nation's highway... Federal Highway Administration (FHWA).
2008. FHWA. National Highway Planning Network Points is a point theme representing nodes in the major highway system of the United States. It consists of the ... Federal Highway Administration (FHWA).
2011. United States. Bureau of Transportation Statistics and United States. National Park Service. United States National Park System, 2013 is a polygon theme representing the National Park System.
1997. Environmental Systems Research Institute (Redlands, Calif.) and United States. Bureau of Transportation Statistics. This line shapefile represents rural and urban interstate highways. U.S. National Transportation Atlas Interstate Highways is part of the National ... Environmental Systems Research Institute (Redlands, Calif.).
1998. United States. Bureau of Transportation Statistics, United States. Federal Railroad Administration, and Environmental Systems Research Institute (Redlands, Calif.). This line shapefile represents a comprehensive database of the nation's railway system at 1:100,000 scale. The data set covers the 48 contiguous St... Environmental Systems Research Institute (Redlands, Calif.).
2008. Vanderbilt Engineering Center for Transportation Operations and Research Vanderbilt University and Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS). National Waterway Network is a line theme representing shipping lanes that serve as representative paths in open waterways. The data set covers the... U.S. Army Corps of Engineers Navigation Data Center.
2013. United States. Bureau of Transportation Statistics and United States. Department of Transportation. Research and Innovative Technology Administration. The National Waterway Network is a comprehensive network database of the nation's navigable waterways. The data set covers the 48 contiguous states... U.S. Army Corps of Engineers Navigation Data Center.