Passenger Transport Vehicle Inspection and Safety
This domain tests whether you can verify a passenger-carrying CMV is safe before carrying passengers and can recognize defects that require the vehicle to be placed out of service. The exam emphasizes pre-trip and en-route checks, emergency equipment, exits, and defect reporting.
Pre-trip priorities
- Walk around the bus: tires, wheels, lug nuts, brakes, steering, lights, mirrors, windshield, wipers, and horn.
- Inspect the passenger compartment: seats and handrails secure, aisles and stepwells clear, doors operate, windows and roof hatches work, and every emergency exit opens and latches from inside.
- Confirm required emergency equipment, such as a charged fire extinguisher and first aid kit, is present and accessible; check warning devices and spare fuses where required.
- For air-braked vehicles, check pressure build-up and leak rate; check for fluid leaks and exhaust problems.
En route and reporting
- Watch dash warnings, brake feel, steering, and door operation. If a defect affects safety, stop safely and do not continue with passengers.
- Never move with an exit blocked or a door that will not latch.
- Complete the driver vehicle inspection report when required, review the prior report, and report defects in writing.
Worked example
During pre-trip, the rear emergency door opens but will not latch from inside. Reasoning: the evacuation path is unsafe, so the bus is not fit for passengers. Tag it out, report the defect, and do not load passengers. A charged extinguisher does not make up for a non-latching exit.
Traps
- Checking only the driver area and skipping exits, roof hatches, and the passenger compartment.
- Assuming a closed hatch or door is functional without operating it.
- Ignoring a warning light or signing off a prior inspection report without reviewing it.
- Treating an empty bus as permission to drive an unsafe vehicle.