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21. Highways Features: United States, 2011

2011. United States. Federal Highway Administration. Office of Highway Policy Information and United States. Bureau of Transportation Statistics. The Federal Highway Administration (FHWA) has the responsibility to assure that adequate highway transportation information is available to support... United States. Bureau of Transportation Statistics.

22. Highways Network: Puerto Rico and United States, 2011

2011. United States. Bureau of Transportation Statistics and United States. Federal Highway Administration. This polyline shapefile depicts the National Highway Planning Network, a comprehensive network database of the United States' major highway system.... United States. Bureau of Transportation Statistics.

23. Major Ports: Puerto Rico and United States, 2013

2013. Waterborne Commerce Statistics Center (U.S.) and United States. Bureau of Transportation Statisticsf. This point shapefile depicts ports politically defined by port limits or USACE projects, excluding non-USACE projects not authorized for publicatio... United States. Bureau of Transportation Statistics.

24. Major Roads of the United States, 1972-1999

1972. Geological Survey (U.S.). This line shapefile portrays the major roads in the United States, Puerto Rico, and the U.S. Virgin Islands. The file was produced by joining the i... Geological Survey (U.S.).

25. Metropolitan Planning Boundaries: United States and Territories, 2011

2011. United States. Federal Highway Administration and United States. Bureau of Transportation Statistics. This polygon shapefile contains United States metropolitan planning boundaries. The United States Metropolitan Planning Organization (MPO) Database... United States. Bureau of Transportation Statistics.

26. National Bridge Inventory: United States, 2011

2011. United States. Federal Highway Administration, Lubkin, Samantha , Blades, Doug, and United States. Bureau of Transportation Statistics. This point shapefile depicts the more than 600,000 of the United States' bridges located on public roads, including interstate highways, United Sta... United States. Bureau of Transportation Statistics.

27. Passenger Rail Lines: United States, 2014

2014. United States. Bureau of Transportation Statistics and Hunt, Raquel. The Rail Network is a comprehensive database of United States railway system at 1:24,000 to 1:100,000 scale. This polyline shapefile depicts Amtrak... United States. Bureau of Transportation Statistics.

28. Passenger Railways Connectivity: United States, 2013

2013. Firestine, Theresa. Over 55 percent of the approximately 7,100 passenger transportation terminals in the United States offer travelers the ability to connect among the... United States. Bureau of Transportation Statistics.

29. Ports of the United States, 2014

2014. National Atlas of the United States. This map layer shows major ports in the United States, Puerto Rico, and the U.S. Virgin Islands. A port is a city, town, or urban area with a harbo... National Atlas of the United States.

30. Ports: United States and Territories, 2012

2012. United States. Bureau of Transportation Statistics and Institute for Water Resources (U.S.). Navigation Data Center. This point shapefile depicts physical information on commercial facilities at the principal United States coastal, Great Lakes and inland ports. Th... United States. Bureau of Transportation Statistics.