http://www.dot.gov/

http://en.wikipedia.org/wiki/United_States_Department_of_Transportation

http://www.answers.com/topic/united-states-department-of-transportation

http://www.fmcsa.dot.gov/

http://www.state.gov/

http://www.fhwa.dot.gov/education/stipdg.htm

http://www.fta.dot.gov/civilrights/civil_rights_2360.html

http://osdbu.dot.gov/

http://dotlibrary.dot.gov/Historian/history.htm

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