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Indiana Operator's Knowledge Exam Practice
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Passing target: 7 correct signs and 18 correct rules
Weather, Visibility & EmergenciesStandalone practice
Why can pavement be especially slippery when rain first begins?
Correct answer: Water mixes with oil and dirt before more rain washes it away.
Why
Early rain can create a slick surface, so smooth control and lower speed are important.
Verified against Indiana Driver's Manual · First rain after dry weather · p. 48, 49
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