DMV is open by appointment only. Return to our homepage to schedule an appointment or to view online services.

Facial coverings must be worn during all road skills tests. Facial coverings are not required to enter a DMV office.

Commercial Driver's License/Commercial Learner Permit Driving Type Self-Certification

Federal law requires all Commercial Driver License (CDL) holders and Commercial Learner Permit (CLP) holders to provide self-certification of driving type.

Once you go to the website above and successfully self-certify, you will receive an e-mail confirmation.  Bring the e-mail confirmation to DMV anytime you:                   

  • Apply for a new CDL
  • Renew a current CDL
  • Apply for an upgrade to a higher class CDL
  • Apply for a new endorsement
  • Transfer a CDL from another state
  • Change driving type


  • Category 1 – (NI) - Non-excepted Interstate: Operates a commercial motor vehicle outside of Connecticut.

  • Category 2 – (NA) - Non-excepted Intrastate: Operates a commercial motor vehicle only within Connecticut.
    Note:  If any CMV you drive crosses the CT state line (into NY, MASS, RI - including for purchasing of fuel or picking up occasional loads) at any time, you are INTERSTATE.

  • Category 3 – (EI) -Excepted Interstate: Operates a commercial motor vehicle outside of Connecticut, only for excepted purposes listed below. 
    Excepted Interstate Purposes:
    • 49 CFR §390.3(f): School bus operations, state and federal transportation, occasional transportation of personal property not for compensation, transportation of human corpses or sick/injured persons, fire trucks and rescue vehicles, commercial vehicles designed or used to transport between 9 and 15 passengers (including the driver), transportation of propane winter heating fuel when responding to an emergency situation requiring immediate response.
    • 49 CFR §391.2: Farm custom operations, apiarian industries (beekeepers seasonally transporting bees), certain farm vehicle drivers.
    • 49 CFR §391.68: Private motor carrier of passengers (nonbusiness).
    • 49 CFR §398.3:  Driver of migrant workers.
  • Category 4 – (EA) - Excepted Intrastate: Operates a commercial motor vehicle only within Connecticut (intrastate commerce) only for an excepted purpose listed below.
    Excepted Intrastate Purpose:
    • A self-propelled implement of husbandry or an implement of husbandry being drawn by a farm tractor or another implement of husbandry; public utility, telephone, and cable television company service vehicles that do not meet the definition of a commercial motor vehicle in 46 CFR part 383; or public utility service vehicle used in cases of emergency.