Evaluation of retro reflective measurement devices
By: prepared for Federal Highway Administration, Office of Research & Development.
Contributors: United States. Federal Highway Administration. Implementation Division.
Publisher: U.S. Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division; National Technical Information Service [distributor]
Published: 1981
Place of publication: Washington, D.C; Springfield, Va
Language: eng
Number of pages: 12
Subjects: Reflection (Optics) -- Measurement.; Optical instruments -- Evaluation.
Notes: "June 1981."

"Summary report."

"Report no. FHWA-TS-81-212."