Automatic close-following warning sign at Ascot

Automatic close-following warning sign at Ascot

Bibliografiske detaljer
Hovedforfatter: Helliar-Symons, R. D.
Institution som forfatter: Transport and Road Research Laboratory
Format: Bog
Sprog:English
Udgivet: Crowthorne, Berkshire Transport and Road Research Laboratory 1983.
Fag:
Electronic traffic controls > Evaluation.
Traffic signs and signals > Great Britain.
Traffic flow > Great Britain.