Transportation Department, Secretary of Transportation, Washington, D.C.Mode of access: Internet.Author corporate affiliation: Ecosometrics, Inc., Bethesda, Md.Subject code: IJDSubject code: KBKSubject code: YE
Transportation Department, Office of University Research, Washington, D.C.Mode of access: Internet.A...
Federal Highway Administration, Office of Motor Carriers, Washington, D.C.Mode of access: Internet.A...
Urban Mass Transportation Administration, Washington, D.C.Mode of access: Internet.Author corporate ...
Federal Highway Administration, Office of Highway Planning, Washington, D.C.Mode of access: Internet...
Urban Mass Transportation Administration, Washington, D.C.Mode of access: Internet.Author corporate ...
Transportation Department, Office of University Research, Washington, D.C.Mode of access: Internet.A...
Farm Foundation, Oak Brook, Ill.North Dakota State University, Upper Great Plains Transportation Ins...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Mode of access: Internet.Author corporate affiliation: Federal Highway Administration, McLean, Va.Su...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Transportation Research Board, Committee on High Occupancy Vehicle Systems, Washington, D.C.Federal ...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Mode of access: Internet.Author corporate affiliation: Transportation Department, Washington, D.C.Su...
Mode of access: Internet.Author corporate affiliation: Morris, S. W., and Company, Inc., Chevy Chase...
Mode of access: Internet.Author corporate affiliation: Federal Highway Administration, Office of Hig...
Transportation Department, Office of University Research, Washington, D.C.Mode of access: Internet.A...
Federal Highway Administration, Office of Motor Carriers, Washington, D.C.Mode of access: Internet.A...
Urban Mass Transportation Administration, Washington, D.C.Mode of access: Internet.Author corporate ...
Federal Highway Administration, Office of Highway Planning, Washington, D.C.Mode of access: Internet...
Urban Mass Transportation Administration, Washington, D.C.Mode of access: Internet.Author corporate ...
Transportation Department, Office of University Research, Washington, D.C.Mode of access: Internet.A...
Farm Foundation, Oak Brook, Ill.North Dakota State University, Upper Great Plains Transportation Ins...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Mode of access: Internet.Author corporate affiliation: Federal Highway Administration, McLean, Va.Su...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Transportation Research Board, Committee on High Occupancy Vehicle Systems, Washington, D.C.Federal ...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Mode of access: Internet.Author corporate affiliation: Transportation Department, Washington, D.C.Su...
Mode of access: Internet.Author corporate affiliation: Morris, S. W., and Company, Inc., Chevy Chase...
Mode of access: Internet.Author corporate affiliation: Federal Highway Administration, Office of Hig...
Transportation Department, Office of University Research, Washington, D.C.Mode of access: Internet.A...
Federal Highway Administration, Office of Motor Carriers, Washington, D.C.Mode of access: Internet.A...
Urban Mass Transportation Administration, Washington, D.C.Mode of access: Internet.Author corporate ...