Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliation: Portland State University, Ore.Author corporate affiliation: University of Southern California, Los AngelesSubject code: DECMBSubject code: EASubject code: GDSubject code: FDFSubject code: GESubject code: GFSubject code: KBSubject code: NRQMSubject code: SBCSubject code: SDBF
Mode of access: Internet.Author corporate affiliation: Federal Highway Administration, Washington, D...
Mode of access: Internet.Author corporate affiliation: Schulman, Ronca and Bucuvalas, Silver Spring,...
Federal Highway Administration, Bureau of Motor Carrier Safety, Washington, D.C.Mode of access: Inte...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.COP: 2Author corporate affi...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.COP: 2Author corporate affi...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Mode of access: Internet.Author corporate affiliation: COMSIS Corporation, Wheaton, Md.Author corpor...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Mode of access: Internet.COP: 2Author corporate affiliation: Federal Highway Administration, Highway...
Federal Highway Administration, Highway Statistics Division, Washington, D.C.Mode of access: Interne...
Mode of access: Internet.Author corporate affiliation: Schulman, Ronca and Bucuvalas, Silver Spring,...
Mode of access: Internet.Author corporate affiliation: National Highway Traffic Safety Administratio...
Federal Highway Administration, ITS Joint Program, Washington, D.C.Mode of access: Internet.Author c...
"February 1995."Prepared for Office of Highway Information Management.Includes bibliographical refer...
Mode of access: Internet.Author corporate affiliation: Federal Highway Administration, Washington, D...
Mode of access: Internet.Author corporate affiliation: Schulman, Ronca and Bucuvalas, Silver Spring,...
Federal Highway Administration, Bureau of Motor Carrier Safety, Washington, D.C.Mode of access: Inte...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.COP: 2Author corporate affi...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.COP: 2Author corporate affi...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Mode of access: Internet.Author corporate affiliation: COMSIS Corporation, Wheaton, Md.Author corpor...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Mode of access: Internet.COP: 2Author corporate affiliation: Federal Highway Administration, Highway...
Federal Highway Administration, Highway Statistics Division, Washington, D.C.Mode of access: Interne...
Mode of access: Internet.Author corporate affiliation: Schulman, Ronca and Bucuvalas, Silver Spring,...
Mode of access: Internet.Author corporate affiliation: National Highway Traffic Safety Administratio...
Federal Highway Administration, ITS Joint Program, Washington, D.C.Mode of access: Internet.Author c...
"February 1995."Prepared for Office of Highway Information Management.Includes bibliographical refer...
Mode of access: Internet.Author corporate affiliation: Federal Highway Administration, Washington, D...
Mode of access: Internet.Author corporate affiliation: Schulman, Ronca and Bucuvalas, Silver Spring,...
Federal Highway Administration, Bureau of Motor Carrier Safety, Washington, D.C.Mode of access: Inte...