Traffic signals for high-speed roads /

Bibliographic Details
Main Author:	Webster, F. V.
Corporate Author:	Road Research Laboratory
Other Authors:	Ellson, P. B.
Format:	Book
Language:	English
Published:	London : H.M.S.O., 1965.
Series:	Road research technical paper ; no. 74.
Subjects:	Traffic signs and signals > Great Britain.

Description
Item Description:	At head of title: Road Research Laboratory.
Physical Description:	v, 49 pages : illustrations, diagrams ; 25 cm.
Bibliography:	Bibliography: page 49.