What does a round yellow sign with an X mean?
Quick Answer
A round yellow sign with an X and RR letters is a railroad advance warning sign. It appears several hundred feet before a railroad crossing to give drivers advance notice. Slow down when you see this sign, look and listen for trains, and be prepared to stop at the crossing.
Explanation
A round yellow sign with an X and RR letters is a railroad advance warning sign. It appears several hundred feet before a railroad crossing to give drivers advance notice. Slow down when you see this sign, look and listen for trains, and be prepared to stop at the crossing. Understanding this concept is essential for safe driving and will help you answer similar questions on the DMV written test.
Why This Matters on the DMV Test
Questions about Traffic Signs are among the most common on the permit test. Knowing the correct answer helps you pass your exam and stay safe on the road. Most states require a score of 70–83% to pass.
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