Iowa Motorcycle Permit Test Practice Questions - Iowa DOT Motorcycle Knowledge Test (Class M Endorsement) Exam

The right side of an Iowa lane often has more debris (sand, gravel, glass) near the shoulder because:

It is uphill Wind, traffic, and water push loose material to the edge of the road Iowa law requires it Cars deliberately throw debris there

Correct Answer:

Wind, traffic, and water push loose material to the edge of the road

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