What reqiures a cdl?

States issue a CDL according to the CDL License classifications listed below.

Group A (Combination Vehicle) CDL License

Any combination of vehicles with a gross combination weight rating (GCWR) of 26,001 pounds or more provided the GVWR of the vehicle(s) being towed is in excess of 10,000 pounds.

Group B (Heavy Straight Vehicle) CDL License

Any single vehicle with a GVWR of 26,001 pounds or more, or any such vehicle towing a vehicle not in excess of 10,000 pounds GVWR.

Group C (Small Vehicle) CDL License

Any single vehicle, or combination of vehicles, that meets neither the definition of Group A nor that of Group B, but that either is designed to transport 16 or more passengers including the driver, or is used in the transportation of Hazardous Materials.