Count-down signs and roundel markings trials /

Bibliographic Details
Main Author:	Barker, Judith
Corporate Authors:	Transport Research Laboratory (Great Britain), Great Britain. Department of Transport. Road Safety Division
Other Authors:	Helliar-Symons, R. D.
Format:	Book
Language:	English
Published:	Crowthorne, Berkshire : Transport Research Laboratory, [1997]
Series:	TRL report ; no. 201.
Subjects:	Traffic signs and signals > Great Britain > Evaluation. Speed limits > Great Britain.

Description
Item Description:	"Prepared for: Road Safety Division, DOT". "Project: Developing Safety Measures for Trial (S203K/RT)".
Physical Description:	27 pages : color illustrations ; 30 cm.
Bibliography:	Includes bibliographical references (page 19).