Variable message fog hazard warning signs to control vehicle operating characteristics
Subtitle: final report
By: L.E. George, D.K. Hofstetter, D.R. Wagner.
Contributors: Hofstetter, Dwayne K.; Wagner, Donald Robert, 1952-; Oregon. State Highway Division. Traffic Engineering Section.; United States. Federal Highway Administration.
Series: FHWA/OR -- 79/3.; Official Publication (Oregon. State Highway Division) -- no. 79-3.
Publisher: Oregon Dept of Transportation, Highway Division, Traffic Engineering Section; Available through the National Technical Information Service
Published: 1979
Place of publication: Salem; Springfield, Va
Language: eng
Number of pages: 69
Subjects: Traffic signs and signals -- Oregon.; Fog-signals -- Oregon.
Notes: Cover title.

"June 1979."

Prepared in cooperation with U.S. Federal Highway Administration.

Bibliography: p. 68-69.