Supplemental advance warning devices

Bibliographic Details
Main Author:	Bowman, Brian L. 1943-
Corporate Authors:	National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, United States. Federal Highway Administration
Format:	Book
Language:	English
Published:	Washington, D.C. National Academy Press 1993.
Series:	Synthesis of highway practice 186.
Subjects:	Traffic signs and signals. Traffic safety.