Commercial Driver's License - Endorsements

Endorsements

Additional testing is required to obtain any of the following endorsements on the CDL. These can only be obtained after a CDL has been issued to the driver:

• T Semi trailer Double or Triple (Written Test)
  • Certain states prohibit triple trailers statewide, such as California, Florida, and New York
  • A Class A license is required to obtain the T endorsement
• P Passenger Vehicle (Written and Driving Tests)
• S School Bus (Written and Driving Test, Background Check, Sex Offender Registry Check and P endorsement)
• N Tank Truck (Written Test)
• H Hazardous materials (Written Test and Background Check through the Transportation Security Administration)
• X Combination of Tank Vehicle and Hazardous Materials (Written Test)
• W Tow truck. (Written Test)