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Idaho Class D Knowledge Practice Test
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Passing target: 85% (34/40)
Weather, Visibility & EmergenciesStandalone practice
Your tires begin riding on water and steering feels light. What should you do first?
Blue A is on a wet road. An enlarged tire-contact detail shows a water film between the tire and road. The detail has a separate scale.
Correct answer: Ease off the gas and keep moving straight
Why
Smoothly reducing power and avoiding abrupt braking or turning helps the tires regain contact with the roadway.
Verified against Idaho Driver’s Handbook, July 2026 · Hydroplaning response · p. 111
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