Analysis of accidents before and after implementation of improved motorway signalling /

Analysis of accidents before and after implementation of improved motorway signalling /

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Bibliographic Details
Main Authors: 275497 Cooper, B. R., Sawyer, Helen E., Rutley, K. S.
Format:
Published: Crowthorne, Berkshire : TRRL, 199
Subjects:
Traffic accidents
Traffic safety
Traffic signs and signals

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