The effect of an advisory speed signal on motorway traffic speeds

The effect of an advisory speed signal on motorway traffic speeds

Bibliographic Details
Main Author: Webb, P. J.
Corporate Author: Transport and Road Research Laboratory. Traffic Engineering Dept
Format: Book
Language:English
Published: Crowthorne, Berkshire Highway Traffic Division, Traffic Engineering Dept., Transport and Road Research Laboratory 1980.
Subjects:
Speed limits > Great Britain.
Traffic signs and signals > Great Britain.