Renew or update your CDL

Commercial driver license

When you apply to renew or upgrade your commercial driver license (CDL), you must:

  • Provide any updated information.
  • Complete any additional testing requirements for an upgrade.

Hazardous materials endorsement

If you want to keep or upgrade a hazardous materials endorsement (HME), you must:

  • Provide any updated information.
  • Complete any additional testing requirements for an upgrade.
  • Pass a hazardous materials knowledge test.
  • Submit fingerprints and pass the federal Transportation Security Administration (TSA) background check.
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