A school bus driver may operate the bus without using an available driver’s seat belt.
Correct answer: B – FALSE
Federal CMV rules prohibit a driver from operating a commercial motor vehicle equipped with a seat belt unless the driver is properly restrained. The passenger-vehicle guidance also directs bus drivers to use the driver’s seat belt. It must be fastened before the bus is put in motion.
Source: Pennsylvania Commercial Driver’s Manual — § 4.1.5, “Use Your Seatbelt!”, 49 CFR § 392.16 – Use of Seat Belts

