Automatic close-following warning sign at Ascot /

Bibliographic Details
Main Author:	Helliar-Symons, R. D.
Corporate Author:	Transport and Road Research Laboratory
Format:	Book
Language:	English
Published:	Crowthorne, Berkshire : Transport and Road Research Laboratory, 1983.
Series:	TRRL laboratory report. 1095.
Subjects:	Electronic traffic controls > Evaluation. Traffic signs and signals > Great Britain. Traffic flow > Great Britain.

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