American Public Transportation Association http://www.apta.com/ Listing of conferences and events, legislative action center with information on congress, transit-related bills, votes, House and Senate Floor and links to international transit sites.

Bureau of Transportation Statistics http://www.bts.gov/ Airline information including a FAA Statistical Handbook of Aviation, National Transportation Library with books, articles, and technical reports, and international transportation statistical programs and analytical reports and studies.

Texas Department of Transportation http://www.dot.state.tx.us/ Site contains public transportation information such as vehicle specifications, Texas Transportation Codes, information on operating credentials, and oversize/weight permit requirements.

US DOT Federal Highway Administration http://www.fhwa.dot.gov/ Highway reports and publications, legislation and regulations, state transportation sites, and a listing of federal highway programs.

US DOT Federal Transit Administration (FTA) http://www.fta.dot.gov/ Links to National Transit database and Office of Safety and Security website, information on Transportation Equity Act for 21st Century (TEA21), FTA calendar of events, and research and technical programs.