Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliation: Purdue and Indiana State Highway Commission, Joint Highway Research Project, West LafayetteRevised July 22, 1980Subject code: CCKSubject code: CDJFSubject code: GBSubject code: JDSubject code: KBKSubject code: WOB*
Transportation Department, Office of University Research, Washington, D.C.Mode of access: Internet.A...
Federal Highway Administration, Office of Safety and Traffic Operations, Washington, D.C.Mode of acc...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Indiana Department of Transportation, IndianapolisFederal Highway Administration, Washington, D.C.Mo...
Federal Highway Administration, Office of Safety and Traffic Operations, Washington, D.C.Mode of acc...
Mode of access: Internet.Author corporate affiliation: Purdue and Indiana State Highway Commission, ...
Federal Highway Administration, Indianapolis, Ind.Mode of access: Internet.Author corporate affiliat...
Federal Highway Administration, Washington, D.C.National Highway Traffic Safety Administration, Wash...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Federal Highway Administration, Office of Safety Research and Development, McLean, Va.Turner-Fairban...
Federal Highway Administration, Office of Safety and Traffic Operations Research and Development, Mc...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Federal Highway Administration, Washington, D.C.National Highway Traffic Safety Administration, Wash...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Indiana Department of Transportation, IndianapolisFederal Highway Administration, Indianapolis, Ind....
Transportation Department, Office of University Research, Washington, D.C.Mode of access: Internet.A...
Federal Highway Administration, Office of Safety and Traffic Operations, Washington, D.C.Mode of acc...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Indiana Department of Transportation, IndianapolisFederal Highway Administration, Washington, D.C.Mo...
Federal Highway Administration, Office of Safety and Traffic Operations, Washington, D.C.Mode of acc...
Mode of access: Internet.Author corporate affiliation: Purdue and Indiana State Highway Commission, ...
Federal Highway Administration, Indianapolis, Ind.Mode of access: Internet.Author corporate affiliat...
Federal Highway Administration, Washington, D.C.National Highway Traffic Safety Administration, Wash...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Federal Highway Administration, Office of Safety Research and Development, McLean, Va.Turner-Fairban...
Federal Highway Administration, Office of Safety and Traffic Operations Research and Development, Mc...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Federal Highway Administration, Washington, D.C.National Highway Traffic Safety Administration, Wash...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
Indiana Department of Transportation, IndianapolisFederal Highway Administration, Indianapolis, Ind....
Transportation Department, Office of University Research, Washington, D.C.Mode of access: Internet.A...
Federal Highway Administration, Office of Safety and Traffic Operations, Washington, D.C.Mode of acc...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...