Federal Highway Administration, Washington, D.C.Texas Department of Transportation, AustinMode of access: Internet.Author corporate affiliation: Texas Transportation Institute, College StationReport covers the period Sept 1990 - Aug 1993Subject code: CDLSubject code: DEFGSubject code: RCG
Federal Highway Administration, Office of Safety and Traffic Operations Research and Development, Mc...
Texas Department of Transportation, AustinFederal Highway Administration, Washington, D.C.Mode of ac...
Texas Department of Transportation, AustinMode of access: Internet.Author corporate affiliation: Tex...
Texas Department of Transportation, AustinFederal Highway Administration, Washington, D.C.Mode of ac...
Texas State Department of Highways and Public Transportation, Transportation Planning Division, Aust...
Texas State Department of Highways and Public Transportation, Transportation Planning Division, Aust...
Mode of access: Internet.Author corporate affiliation: Federal Highway Administration, Washington, D...
Texas Department of Transportation, Construction Division, AustinTexas Department of Transportation,...
Texas Department of Transportation, AustinFederal Highway Administration, Washington, D.C.Mode of ac...
Mode of access: Internet.Author corporate affiliation: Federal Highway Administration, Office of Mot...
Texas State Department of Highways and Public Transportation, Transportation Planning Division, Aust...
Ohio Department of Transportation, ColumbusMode of access: Internet.Author corporate affiliation: Ca...
Mode of access: Internet.Author corporate affiliation: Federal Highway Administration, Washington, D...
Mode of access: Internet.Author corporate affiliation: Transportation Department, Secretary of Trans...
Mode of access: Internet.Author corporate affiliation: Federal Highway Administration, Office of Mot...
Federal Highway Administration, Office of Safety and Traffic Operations Research and Development, Mc...
Texas Department of Transportation, AustinFederal Highway Administration, Washington, D.C.Mode of ac...
Texas Department of Transportation, AustinMode of access: Internet.Author corporate affiliation: Tex...
Texas Department of Transportation, AustinFederal Highway Administration, Washington, D.C.Mode of ac...
Texas State Department of Highways and Public Transportation, Transportation Planning Division, Aust...
Texas State Department of Highways and Public Transportation, Transportation Planning Division, Aust...
Mode of access: Internet.Author corporate affiliation: Federal Highway Administration, Washington, D...
Texas Department of Transportation, Construction Division, AustinTexas Department of Transportation,...
Texas Department of Transportation, AustinFederal Highway Administration, Washington, D.C.Mode of ac...
Mode of access: Internet.Author corporate affiliation: Federal Highway Administration, Office of Mot...
Texas State Department of Highways and Public Transportation, Transportation Planning Division, Aust...
Ohio Department of Transportation, ColumbusMode of access: Internet.Author corporate affiliation: Ca...
Mode of access: Internet.Author corporate affiliation: Federal Highway Administration, Washington, D...
Mode of access: Internet.Author corporate affiliation: Transportation Department, Secretary of Trans...
Mode of access: Internet.Author corporate affiliation: Federal Highway Administration, Office of Mot...
Federal Highway Administration, Office of Safety and Traffic Operations Research and Development, Mc...
Texas Department of Transportation, AustinFederal Highway Administration, Washington, D.C.Mode of ac...
Texas Department of Transportation, AustinMode of access: Internet.Author corporate affiliation: Tex...