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Iowa Class C Knowledge Test Practice
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Passing target: 20/25 correct (TLA practice target)
School Zones, Railways & Work AreasStandalone practice
Even when no lower work-zone limit is posted, how should a driver choose speed through an active road work area?
Correct answer: Slow to a careful speed for the workers and conditions.
Why
Iowa requires reduced speed through a road work zone and a speed that remains reasonable for every existing condition.
Verified against Iowa Driver's License Manual · Work-Zone Speed · p. 14
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