When approaching the bus stop, you should activate the alternating amber warning lights:
Correct. Activate amber warning lights about 200 feet before the stop (further in higher-speed zones), giving traffic time to slow.
CDL Practice Question #452
Category: School Bus
Why this question matters
This question is one of 55 in our School Bus 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.