The manual notes that warning signs are posted where some road surfaces are more slippery than others. When are these surfaces most slippery?
-
A.
When first resurfaced
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B.
When wet Correct
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C.
At night
The answer is "When wet"
The manual identifies wet conditions as what makes some road surfaces more slippery than others, which is why warning signs are posted at those spots. The trap is choice A; a driver who has felt a slick film on fresh pavement associates new roads with slipperiness, but the manual specifically ties this hazard to water on the surface.
The traps in the wrong answers
A. When first resurfaced
Assumes new pavement is the hazard, missing that the manual identifies water on the surface as the trigger. This answer recalls the slick feel of fresh oil on new pavement and mistakes it for the wet-road warning the manual names here.
C. At night
Confuses reduced night visibility with the surface friction the manual addresses. This answer substitutes a seeing-the-road worry for the tire-grip worry the manual describes at these warning-sign spots.
This question tests your knowledge of Warning Signs in California. Source: California Driver Manual, "Slippery Roads," p.61..
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