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California Class C Permit Practice Test
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Passing target: 80% (32/40)
Warning, Construction & Information SignsStandalone practice
A yellow diamond displays one black arrow pointing up and another pointing down. What does it warn of?

Correct answer: Traffic ahead moves in both directions.
Why
Opposing up-and-down arrows warn that the driver is entering or traveling on a two-way roadway.
Verified against California Driver's Handbook · Warning signs · p. 43
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