A filter lane for left-turning traffic at Slough-Central roundabout (M4/A355).

Bibliographic Details
Main Author:	Philbrick, M. J.
Corporate Author:	Transport and Road Research Laboratory
Format:	Book
Language:	English
Published:	Crowthorne, Berkshire : Transport and Road Research Laboratory, 1974.
Series:	TRRL laboratory report ; 634.
Subjects:	Roads > Interchanges and intersections.

Description
Physical Description:	16 pages : illustrations, diagrams, graphs, tables.