Iowa Class C Knowledge Test Practice

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Traffic Signals & Road MarkingsStandalone practice

A traffic signal displays a flashing circular red light. How should a driver respond?

Vertical traffic signal with its circular red lens illuminated and a dashed ring indicating that the red indication flashes; yellow and green lenses are dark.

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A marked bicycle box lies between your stop line and the intersection. The signal is red. Where should your car wait?A two-way road has a broken yellow line beside the driver's lane. What does that marking mean?Before crossing a marked bicycle lane to turn, what should a motorist do?Your signal is a flashing yellow left-turn arrow. Oncoming traffic is approaching. What must you do before turning?What should a driver do when facing a flashing circular yellow traffic signal?A green left-turn arrow is displayed, but a pedestrian is still lawfully crossing the path of your turn. What should you do?

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