Motorist aid systems.

Bibliographic Details
Corporate Author: National Research Council (U.S.). Highway Research Board
Format: Book
Language:English
Published: [Washington], [publisher not identified] ; 1971.
Series:Synthesis of highway practice ; 7.
Subjects:
Description
Item Description:"Research sponsored by the American Association of State Highway Officials in cooperation with the Federal Highway Administration."
Physical Description:28 pages : illustrations ; 28 cm.
Bibliography:Bibliography: pages 26-27.
ISBN:0309019087