Practice question
A Washington school bus stop is on a road posted at 40 mph. Which amber warning-light timing complies with WAC 392-145-060 before stopping on the roadway?
- Activate amber lamps 150 feet before the stop
- Activate amber lamps 250 feet before the stop
- Activate amber lamps 350 feet before the stop
- Wait until the bus is stopped and then activate amber lamps
Answer: C — Activate amber lamps 350 feet before the stop
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