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Iowa Class C Knowledge Test Practice
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Passing target: 20/25 correct (TLA practice target)
Traffic Signals & Road MarkingsStandalone practice
A red X is displayed directly over a lane ahead. May you drive in that lane?
Correct answer: No. The lane is closed to your travel.
Why
Do not use a lane under a red X. Obey the lane-control display even when the pavement looks empty. Move into an available lane safely before the closed section.
Verified against Iowa Driver's License Manual and current primary rules · Red X above a lane · p. 15
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