Content Summary: The Bureau of Transportation Statistics Mapping Center provides access to transportation geospatial data depicting the transportation system in the United States. Use the Mapping Center to download the most recent National Transportation Atlas Database information and the GDT DynaMap 1000 road network acquired for public domain distribution. The Mapping Center also includes a number of applications to and view and analyze transportation-specific information such as highway condition and performance characteristics from the Highway Performance Monitoring System, accidents at rail grade crossings, airline market share, and state and local government transportation-related revenues and expenditures by mode.
Content Type: Live data & maps

Content Summary: ESRI provides a Website to download Census 2000 TIGER/Line Data shapefiles. These datasets include a wide range of boundary and line data including roads, railroads, hydrography, and more. Please go to the Web site to see the full list of available datasets. This is one of the best sources of easily obtainable road and railroad shapefiles, although they are not the most current data available for most areas. The data are available as shapefiles by county. To find the transportation data, select a state, then select a county, and then choose the data layer (Line Features - Roads, Line-Features - Rails, etc.).

Content Summary: The data set portrays the major roads in the United States, Puerto Rico, and the U.S. Virgin Islands. The file was produced by joining the individual State roads layers from the 1:2,000,000-scale Digital Line Graph (DLG) data produced by the USGS.
Content Type: Other documents

Content Summary: US Army Corps of Engineers national data and metadata available for download as well as metadata software.
Content Type: Clearinghouses

Content Summary: The USGS has developed a map service that contains the best-available public domain transportation data. The sources include GDT Dynamap 2000 data (partial extract for public distribution), acquired by the Bureau of Transportation Statistics; USGS 100K railroads, airports, miscellaneous transportation features.
Content Type: Live data & maps

Content Summary: The Bureau of Transportation Statistics (BTS) Geographic Information Services (GIS) are a national resource for transportation spatial data and GIS in transportation (GIS-T) information.

Content Summary: The Freight Analysis Framework (FAF) integrates data from a variety of sources to estimate commodity flows and related freight transportation activity among states, regions, and major international gateways. FAF estimates and forecasts are available for 1998, 2010, and 2020.

Content Summary: The National Scenic Byways Program is part of the U.S. Department of Transportation, Federal Highway Administration. The program is a grass-roots collaborative effort established to help recognize, preserve and enhance selected roads throughout the United States. Since 1992, the National Scenic Byways Program has provided funding for almost 1500 state and nationally designated byway projects in 48 states. The U.S. Secretary of Transportation recognizes certain roads as All-American Roads or National Scenic Byways based on one or more archeological, cultural, historic, natural, recreational and scenic qualities.

Content Summary: The Federal Aviation Administration (FAA), National Aeronautical Charting Office (NACO), publishes and distributes United States government civil aeronautical charts and flight information publications. Public sales of these charts and publications are available through a network of Chart Agents conveniently located at or near principal civil airports.

Content Summary: Air Traffic Control System Command Center -- General Airport Status.