Automatic speed warning sign : Hampshire trials /

Bibliographic Details
Main Author:	Helliar-Symons, R. D.
Corporate Author:	Transport and Road Research Laboratory
Other Authors:	Wheeler, A. H., Scott, P. P.
Format:	Book
Language:	English
Published:	Crowthorne, Berkshire, [England] : Transport and Road Research Laboratory, 1984.
Series:	TRRL laboratory report. no. 1118.
Subjects:	Traffic signs and signals > Great Britain > Testing.

Description
Physical Description:	27 pages : illustrations, charts ; 30 cm.
Bibliography:	Includes bibliographical references.
ISSN:	0305-1293 ;