Commercial Driver License (CDL)

Medical-certifcates and self-certification

As of January 30, 2014 all commercial driver license (CDL) holders were required to self-certify at a driver licensing office.

If you didn’t self-certify, your CDL was removed on January 30, 2014. Read more about these changes.

Do I need a CDL?

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

CDLs and endorsements

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

Steps to getting your CDL

Find out about instruction permits, self-certification, training, employer registration, agribusiness requirements, medical exams, and drug testing required to get a new CDL.

CDL testing

Learn about the knowledge and skills tests you must pass before getting a CDL, and prepare with a practice knowledge test.

Renew or update your CDL

Learn how to renew or update a CDL.

Transfer your CDL from another state

If you have a valid CDL from another state, find out what you need to do to transfer it to Washington State.

For CDL training schools

Find out how to become an approved CDL training school.

CDL suspensions

Learn about CDL suspensions and what to do if your CDL is suspended or revoked.

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