Commercial Driver License (CDL)

Do I need a CDL?

Find out if you need a CDL to drive your commercial vehicle.

Learn about the different classes of CDLs, restrictions, and when you need to have an endorsement on your CDL.

Find out about instruction permits, self-certification, training requirements, waivers, and approved documents.

Review the CDL guide, learn about knowledge and skills testing, and prepare with a practice knowledge test.

Learn how to renew or update a CDL.

Find out what you need to do to transfer your valid CDL to Washington from another state.

Find out how to apply to become a third party examiner.

Find out how to register to become a CDL training provider or instructor.

Learn about CDL disqualifications and what to do if your CDL is disqualified or revoked.

Links to sites with useful CDL information.