CDL Endorsements

In addition to the weight-related classifications, commercial drivers can apply for different endorsements based on the type of vehicle they intend to operate by requesting an appointment. Additional testing is required to obtain each of the following endorsements:

Hazardous Materials or Hazmat (H endorsement): Required in order to drive any commercial vehicle which transports hazardous materials and is placarded under State or Federal regulations. To obtain or renew this endorsement drivers must pass:
- Transportation Safety Administration (TSA) Background Check prior to applying and
- Entry-Level Driver Training (ELDT) must be completed before road test is scheduled (for more information please visit: FMCSA, and FMCSA FAQs)
- Hazmat Knowledge Test
Tank Vehicles (N endorsement): Required to drive any commercial vehicle designed to transport liquid in a tank that is either permanently or temporarily attached to the vehicle or the chassis, or any liquid or liquefied gaseous material in a permanent tank that requires placards.
- Tank Knowledge Test.
Passenger Vehicles (P endorsement): This endorsement is required to drive any commercial vehicle designed to transport 16 or more passengers including the driver. Applicants for this endorsement must pass:
- Passenger Transport Knowledge Test (a CDL Permit will be issued when successfully completed)
- Entry-Level Driver Training (ELDT) must be completed before road test is scheduled (for more information please visit: FMCSA, and FMCSA FAQs)
- Passenger Transport Road Skills Test. Skills test must be taken in a passenger-type vehicle representative of the desired CDL class.
Double/Triple Trailers (T endorsement): This endorsement is needed to legally haul double or triple trailers. Although it is illegal to operate triple trailers in New Hampshire, this endorsement will allow the holder to haul a triple trailer in those states which allow such vehicles. Applicants for this endorsement must pass:
- Doubles/Triples Knowledge Test.
- School Bus (S endorsement): A school bus endorsement (S endorsement) is a federally recognized endorsement required by any state to drive a school bus designed to transport 16 or more students, including the driver. To obtain this endorsement drivers must successfully pass:
  - School Bus knowledge test. (a CDL Permit will be issued when successfully completed)
  - Entry-Level Driver Training (ELDT) must be completed before road test is scheduled (for more information please visit: FMCSA, and FMCSA FAQs)
  - School Bus Road Skills Test. A skills test must be taken in a school bus vehicle representative of the desired CDL class.
  - School Bus Drivers.