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West Virginia Class E Knowledge Test Practice
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Passing target: 80% (24/30)
Weather, Visibility & EmergenciesStandalone practice
Light rain starts to fall on a road that has been dry for a week. Why should you increase your following distance and slow down at once, and not only later if the rain gets heavy?
Correct answer: The first rain mixes with oil and dirt into a slippery film, so stops take longer.
Why
Wet pavement makes it harder to hold the road on curves and makes stopping distances longer. The manual's following-distance rule calls for at least four seconds when it rains, and more when you need it. West Virginia law also requires headlights when it rains.
Verified against West Virginia Driver's Licensing Handbook · Rain · p. 73, 57
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