EarthWorks Geospatial Catalog

National Highway Planning Network Points

National Highway Planning Network Points is a point theme representing nodes in the major highway system of the United States. It consists of the nation's highways comprised of Rural Arterials, Urban Principal Arterials and all National Highway System routes. The data set covers the 48 contiguous States plus the District of Columbia, Alaska, Hawaii, and Puerto Rico. The nominal scale of the data set is 1:100,000 with a maximal positional error of ±80 meters.
Federal Highway Administration (FHWA)
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