Bus drivers transport people; school bus drivers drive children to and from school and events; transit drivers drive people to stops on a specified city route; while other drivers can transport people between cities or drive for trips and tours.

Heavy truck and tractor-trailer drivers drive vehicles having a GVWR of 26,000 pounds or more to transport materials that are packaged, liquid, or loose.

Light and delivery services truck drivers drive vehicles having a GVWR under 26,000 pounds and generally work within a specified local area, and load and unload the merchandise they drive.

Classes are the types of licenses a truck driver may test for. Endorsements are complementary to the licenses. A school bus driver, for example, would need a Class C license with an S endorsement.

• Class A: A combination of vehicles with a gross vehicle weight rating (GVWR) greater than 26,000 pounds being towed by a vehicle with a GVWR in excess of 10,000 pounds. Class A drivers may also operate those vehicles that fall under classes B and C.
• Class B: A single unit with a GVWR greater than 26,000 pounds, as well as any vehicle towing another vehicle not in excess of 10,000 pounds. A class B driver may operate a class C vehicle.
• Class C: A single or combination vehicle designed for the transportation of 16 or more people, or one used to transport hazardous materials.



• Endorsement G: Government
• Endorsement H: Hazardous materials
• Endorsement N: Tanker vehicle
• Endorsement P: Bus passenger
• Endorsement S: School bus
• Endorsement T: Double and triple trailers
• Endorsement X: Combination hazardous materials and tanker