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Colorado Class R Knowledge Practice Test
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Passing target: 80% (24/30)
Warning, Construction & Information SignsStandalone practice
A round yellow sign shows a black X and the letters RR. What is ahead?
Correct answer: A railroad crossing ahead, so be ready to stop.
Why
The circular railroad warning gives advance notice of tracks so the crossing can be approached safely.
Verified against Colorado Driver Handbook · Railroad advance warning · p. 11
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