Speed enforcement, visibility, and effects of traffic control measures on drivers
By: Transportation Research Board, Commission on Sociotechnical Systems, National Research Council.
Contributors: National Research Council (U.S.). Transportation Research Board.
Series: Transportation research record,; 811
Publisher: National Academy of Sciences
Published: 1981
Place of publication: Washington, D.C
Language: eng
Number of pages: 41
Subjects: Traffic signs and signals.; Roads -- Safety measures.
Notes: Includes bibliographical references.