Traffic signal settings : by F.V. Webster.

Bibliographic Details
Main Author:	Webster, F. V.
Corporate Author:	Road Research Laboratory
Format:	Book
Language:	English
Published:	London : HMSO : Road Research Laboratory, 1958, 1969.
Series:	Road research technical paper ; no. 39.
Subjects:	Traffic signs and signals > Great Britain.

Description
Physical Description:	ii, 45 pages : illustrations, tables ; 24 cm.