Adding CDL Endorsements

Customers applying for a CDL are required to take and pass additional written and road tests to operate specific types of commercial vehicles.  

The following are required when adding endorsements to your Commercial License:

Note: The P, S, and N endorsement exams can be taken with the Commercial learner’s permit test.  The T, H, and X endorsement exams require applicants to have a valid Commercial Driver's License.

  • P - Passenger Endorsement

    • Requires Knowledge and Skills Tests
    • Valid for CDL Class A, B, C
  • S - School Bus Endorsement

    • Requires Knowledge and Skills Tests
    • Valid for CDL Class A, B, C
    • See School Bus Endorsement for more information.
  • T - Double/Triple Trailer Endorsement

    • Requires Knowledge Test only
    • Valid for CDL Class A
    • Not eligible for a CLP. The applicant must have a valid Commercial Driver’s License.
  • N - Tanker Endorsement

    • Requires Knowledge Test only
    • Valid for CDL Class A, B
  • H - Hazmat Endorsement

    • Requires Knowledge Test only
    • Valid for CDL Class A, B, C
    • Pass TSA Background Check
    • Fingerprints are required for 1st-time issuance as well as renewals.
    • See TWIC®, HME and the TSA Pre✓® application program for more information.
    • Not eligible for a CLP. The applicant must have a valid Commercial Driver’s License.
  • X - Hazmat & Tanker Combination

    • Requires Knowledge Test Only
    • Valid for CDL Class A, B, C
    • Not eligible for a CLP. The applicant must have a valid Commercial Driver’s License.