Class A license (Commercial) is issued to drive any combination of vehicles with a GVWR of 26,001 pounds or more, if the GVWR of the 1 or more vehicles being towed is in excess of 10,000 pounds.
Class B license (Commercial) is issued to drive any single motor vehicle with a GVWR of 26,001 pounds or more, including that motor vehicle when towing a vehicle with a GVWR of 10,000 pounds or less.
Class C license (Commercial) is issued to drive any single motor vehicle with a GVWR of less than 26,001 pounds or that motor vehicle when towing a vehicle with a GVWR of 10,000 pounds or less when the vehicle is designed or used:
- to transport more than 15 passengers, including the driver;
- as a school bus, and weighing less than 26,001 pounds GVWR; or
- to transport hazardous materials.
Class D license (Non-Commercial) is issued to drive motor vehicles not defined as commercial motor vehicles or motorcycles. A person may not drive a motor vehicle as a private passenger carrier for 15 or fewer passengers unless the person has a valid taxicab endorsement or a commercial driver license
Endorsements: H-hazardous materials; K-restricted to intrastate operation of commercial vehicles; L-restricted to vehicles not equipped with air brakes; M-motorcycle; N-tank vehicle; P-passenger vehicle; S-school bus; T-double or triple trailers; X-hazardous materials and tank combination; and Z-taxi.