Luminous requirements for traffic signs
Subtitle: a comparision of sign performance and requirements
By: prepared for U.S. Department of Transportation, Federal Highway Administration, Offices of Research & Development, Traffic Systems Division.
Contributors: United States. Federal Highway Administration. Traffic Systems Division.; Institute for Research.
Publisher: The Division; National Technical Information Service [distributor
Published: 1981
Place of publication: Washington, D.C; Springfield, Va
Language: eng
Number of pages: 32
Subjects: Traffic signs and signals -- United States -- Testing.
Notes: Cover title.

"Institute for Research"--1st prelim. p.

"Interim report."

"December 1981."

Contract no.: DOT-FH-11-9646.

"Report No. FHWA/RD-81/158."

Bibliography: p. 16.