
Commercial Class B drivers can also operate non-commercial Class B vehicles and tow vehicles that Class C drivers can tow. in California) and tow commercial trailers up to a certain amount (usually 10,000 lbs). The Commercial Class B license allows you to operate vehicles up to a certain amount (for instance, 26,000 lbs. A commercial Class C license can contain endorsements that allow the driver to transport hazardous materials or more than 16 passengers. The Class C license is the standard "driver's license." With a Class C, you can transport up to 16 passengers.

The basic Class C license allows you to drive two and three-axle vehicles up to a certain weight (in California, 26,000 lbs. In addition, the A, B and C classes each have separate weight restrictions for both the main operational vehicle and any items being towed.

These three classes cover cars, trucks and tractor trailers. Classes A, B and C are further broken down by commercial and non-commercial vehicles.

In most states, licenses fall into A, B, C and M classes.
