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Colorado CDL Passenger study materials
Colorado CDL Passenger study resources

Colorado CDL Passenger: Regulations, Hours of Service, and Vehicle Condition

Colorado CDL Passenger · Work through your exam, one topic at a time.

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Regulations, Hours of Service, and Vehicle Condition

This domain tests the regulatory frame around passenger-carrying CMVs: when the P endorsement is required, passenger hours-of-service limits, medical and reporting duties, and daily vehicle-condition responsibilities. Colorado adopts federal CDL and safety rules, so expect questions that turn on design capacity and duty clocks.

CDL and endorsement rules

  • A P endorsement is required to drive a CMV designed to carry 16 or more passengers, including the driver. Class A or B is required based on vehicle weight and configuration.
  • Carry a valid medical examiner's certificate if required, and self-certify your driving type.
  • Notify your employer within 30 days of a traffic conviction. Serious offenses can disqualify you from CMV operation.

Passenger hours of service

  • You may drive up to 10 hours after 10 consecutive hours off duty.
  • You may not drive after the 15th consecutive hour on duty.
  • Observe the 60-hour/7-day or 70-hour/8-day limit.
  • Passenger-carrier rules do not include the property-carrier 30-minute break requirement, but the 15-hour on-duty limit still applies.

Vehicle condition

  • Do a pre-trip inspection and a post-trip inspection each day.
  • Prepare a driver vehicle inspection report (DVIR) listing defects; certify repairs before operating again.
  • The vehicle must pass an annual inspection, and defective emergency exits, brakes, tires, or lights put it out of service.

Worked example

A bus is designed to carry 16 people including the driver. It leaves the terminal with 14 passengers and a driver. Does the driver need a P endorsement? Yes. The rule is based on the vehicle's designed capacity, not on how many passengers are aboard that day. The same bus requires a P endorsement even when nearly empty.

Traps that cost marks

Counting only actual passengers instead of design capacity; applying the property-carrier 30-minute break to passenger operations; skipping the DVIR; forgetting the annual inspection; and assuming the 15-hour on-duty limit resets with a short break.