When stopping at a railroad crossing, the bus must stop:
Correct. Stop 15 to 50 feet from the nearest rail. Look both ways and listen before proceeding.
CDL Practice Question #398
Category: Passenger
Why this question matters
This question is one of 58 in our Passenger bank. The reasoning above comes directly from the AAMVA CDL Manual, the source document used by every U.S. state DMV. Memorizing the underlying rule — not just the letter answer — is what separates passing on the first attempt from a return trip and another fee.