Free District of Columbia CDL Passenger Transport practice test 2026

During your pre-trip inspection of a bus interior, which of these items must be in safe working condition before you drive?

1. AOnboard entertainment screens and charging ports
2. Handholds, railings, and rider signaling devices(correct answer)
3. CPassenger reading lamps and window shades
4. DAir conditioning vents at every seat row

Before driving, the interior must be checked so that handholds, railings, floor covering, signaling devices, and emergency exit handles all work safely. These items directly protect riders who are moving about or requesting stops.