Luminous requirements for traffic signs - a comparison of sign performance and requirements. Interim report.

Federal Highway Administration, Office of Research and Development, Washington, D.C.Mode of access: Internet.Author corporate affiliation: Institute for Research, State College, Pa.Report covers the period July 1980-June 1981Subject code: CISubject code: LCCSubject code: NDBSubject code: NDCSubject code: PDEDSubject code: PMKHSubject code: PMKLSubject code: WS