United States Local and State Transportation Sites - Index of web sites compiled by the American Public Transportation Association.

The Transportation Directory - North America Edition - Listing of all known web sites that provide information concerning common carrier transportation within North America.

Transit Agencies Web Sites Search - Provides a searchable database to assist transit agencies in locating links to comparable agencies.

Fortis Riders - Offers prepaid taxi service for college students and business travelers in several U.S. cities.

Ports in USA - Directory of marine, river, and Great Lakes ports, including locations, navigation information, and cargo facilities.

Association of Rail Travel in the US - Advocacy organization working towards improving passenger rail travel in the United States by increasing public awareness. Site includes information about current and potential routes and other options.

National Truckdrivers Safety Assoc. - An association designed by truckers that provides a wide variety of information and promotes safety to members.

Accessible Travel Database - Directory of U.S. transit systems accessible to persons with disabilities, plus information on some other accessible transportation options.