Assessment of M25 automatic fog-warning systems : final report /

Assessment of M25 automatic fog-warning systems : final report /

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Bibliographic Details
Main Authors: 275497 Cooper, B. R., Sawyer, Helen E., Transport Research Laboratory (Great Britain)
Format:
Published: Crowthorne, Eng. : TRL, 1993
Subjects:
Fog-signals
Traffic signs and signals

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