Visibility criteria for signs, signals, and roadway lighting.
Contributors: National Research Council (U.S.). Transportation Research Board.; Symposium on Visibility Criteria for Signs, Signals, and Roadway Lighting (1988 : Minneapolis, Minn.)
Series: Transportation research record ;; 1247
Publisher: Transportation Research Board, National Research Council
Published: 1989
Place of publication: Washington, D.C
Language: eng
Number of pages: 101
Subjects: Traffic signs and signals.; Roads -- Lighting.; Roads -- Visibility.
Notes: Papers originally presented at the Symposium on Visibility Criteria for Signs, Signals, and Roadway Lighting, held Aug. 1988 in Minneapolis, Minn.