Warning device is described designed as part of experimental project by California Div of Highways Traffic Dept in attempt to reduce accidents caused by wrong-way drivers; device is activated by detector in pavement that is sensitive to wrong-way movement.
Surprise for wrong-way driver
Better Roads
Better Roads ; 34 , n 9
1964
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Online Contents | 1996
Warnings halt wrong-way driver
Engineering Index Backfile | 1964
Online Contents | 1996
METHOD, DEVICE AND SYSTEM FOR WRONG-WAY DRIVER DETECTION
Europäisches Patentamt | 2019
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Europäisches Patentamt | 2019
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