TEA-21 oversight : Intelligent Transportation Systems : hearing before the Subcommittee on Transportation, Infrastructure, and Nuclear Safety of the Committee on Environment and Public Works, United States Senate, One Hundred Seventh Congress, first session, September 10, 2001.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O. [Congressional Sales Office], 2003.