See for assistance with The National Map viewer, download client, services, or metadata. For additional information on the transportation data model, go to. The National Map download client allows free downloads of public domain transportation data in either Esri File Geodatabase or Shapefile formats.

The National Map transportation data is commonly combined with other data themes, such as boundaries, elevation, hydrography, and structures, to produce general reference base maps. Transportation data support general mapping and geographic information system technology analysis for applications such as traffic safety, congestion mitigation, disaster planning, and emergency response. The data include the name or route designator, classification, and location. Transportation data consists of roads, railroads, trails, airports, and other features associated with the transport of people or commerce.

Some of the TIGER/Line data includes limited corrections done by USGS. View In: ArcGIS JavaScript ArcGIS Online Map Viewer ArcGIS Earth ArcMap ArcGIS Pro View Footprint In: ArcGIS Online Map Viewer Service Description: The USGS Transportation web feature service (WFS) from The National Map (TNM) is based on TIGER/Line data provided through U.S.

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