Driver Services

Commercial Driver License

License Information
The Motor Vehicle Division of ADOT serves Arizona residents by issuing CDLs and conducting knowledge and road/skills tests at any CDL office.
Vehicles Requiring a CDL

These are guidelines for determining vehicles that require a commercial driver license to operate.

Test and Manuals

You are required to answer at least 80 percent of the questions on each knowledge test correctly and to complete a road/skills test in the class of vehicle you intend to drive.

Medical Certification

The Medical Review Program helps ensure that CDL drivers meet Federal Regulation 49 CFR 391.41 Physical Qualifications for Drivers and CFR 391.43.

CDL Office Locations

This page contains information on testing times, locations and contact information for CDL activities throughout the state.

CDL Endorsements and Exemptions

This page highlights and defines the FMCSA Regulations, CDL Endorsements and Exceptions which apply to CDL Commercial Vehicles.

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