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Louisiana Class E Knowledge Test Practice
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Weather, Visibility & EmergenciesStandalone practice
Why can a road become especially slippery when rain first begins after a dry period?
Correct answer: Water mixes with accumulated oil and dirt before they are washed away.
Why
Be especially cautious when rain begins after dry weather. Water mixes with oil and dirt, reducing traction before the material washes away. Slow smoothly and increase space rather than waiting for deep puddles.
Verified against Louisiana Class D & E Driver’s Guide, DPSMV2052 R08/25 · The first rain after a dry period · p. 56, 79
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