Transportation Department, Office of the Assistant Secretary for Environment, Safety, and Consumer Affairs, Washington, D.C.Mode of access: Internet.Author corporate affiliation: Urban Systems Research and Engineering, Inc., Cambridge, Mass.Subject code: CDSSubject code: SCBKSubject code: SCHCSubject code: SDBLSubject code: SD
Federal Transit Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Transportation Department, Washington, D.C.Mode of access: Internet.Author corporate affiliation: Ur...
Urban Mass Transportation Administration, Washington, D.C.Mode of access: Internet.Author corporate ...
Mode of access: Internet.Author corporate affiliation: Transportation Department, Washington, D.C.Au...
Mode of access: Internet.Author corporate affiliation: National Highway Safety Bureau, Washington, D...
Transportation Department, Office of University Research, Washington, D.C.Mode of access: Internet.A...
Transportation Department, Office of Environment and Safety, Washington, D.C.Mode of access: Interne...
Transportation Department, Office of Transportation Energy Policy, Washington, D.C.Transportation Sy...
Transportation Department, Office of Environment and Safety, Washington, D.C.Mode of access: Interne...
Mode of access: Internet.Author corporate affiliation: Transportation Department, Washington, D.C.Su...
Urban Mass Transportation Administration, Washington, D.C.Mode of access: Internet.Author corporate ...
Transportation Department, Washington, D.C.Mode of access: Internet.Author corporate affiliation: Ur...
Transportation Department, Office of Environment and Safety, Washington, D.C.Mode of access: Interne...
Transportation Department, Office of Environment and Safety, Washington, D.C.Mode of access: Interne...
Texas Department of Transportation, AustinFederal Highway Administration, Washington, D.C.Mode of ac...
Federal Transit Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Transportation Department, Washington, D.C.Mode of access: Internet.Author corporate affiliation: Ur...
Urban Mass Transportation Administration, Washington, D.C.Mode of access: Internet.Author corporate ...
Mode of access: Internet.Author corporate affiliation: Transportation Department, Washington, D.C.Au...
Mode of access: Internet.Author corporate affiliation: National Highway Safety Bureau, Washington, D...
Transportation Department, Office of University Research, Washington, D.C.Mode of access: Internet.A...
Transportation Department, Office of Environment and Safety, Washington, D.C.Mode of access: Interne...
Transportation Department, Office of Transportation Energy Policy, Washington, D.C.Transportation Sy...
Transportation Department, Office of Environment and Safety, Washington, D.C.Mode of access: Interne...
Mode of access: Internet.Author corporate affiliation: Transportation Department, Washington, D.C.Su...
Urban Mass Transportation Administration, Washington, D.C.Mode of access: Internet.Author corporate ...
Transportation Department, Washington, D.C.Mode of access: Internet.Author corporate affiliation: Ur...
Transportation Department, Office of Environment and Safety, Washington, D.C.Mode of access: Interne...
Transportation Department, Office of Environment and Safety, Washington, D.C.Mode of access: Interne...
Texas Department of Transportation, AustinFederal Highway Administration, Washington, D.C.Mode of ac...
Federal Transit Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Transportation Department, Washington, D.C.Mode of access: Internet.Author corporate affiliation: Ur...
Urban Mass Transportation Administration, Washington, D.C.Mode of access: Internet.Author corporate ...