Warnings halt wrong-way driver
Warnings halt wrong-way driver
Horns, lights, and red warning sign are actuated by vehicles going wrong way on freeway exit ramp near Sacramento, Calif; detector buried in pavement activates warning devices and is designed so that movements of right-way vehicles pass unnoticed; devices are part of experimental program carried out by state's division of highways in attempt to reduce accidents caused by wrong-way drivers; such drivers cause about 8% of fatal freeway accidents; about 40% of wrong-way incidents occur because vehicles enter at off-ramps.
Dokumentinformationen
Warnings halt wrong-way driver
Eng News -- Rec
Engineering News-Record ; 173 , n 7
1964
Aufsatz (Zeitschrift)
Englisch
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