Commercial driver's license

A commercial driver's license is required to operate a tractor-trailer for commercial use.

A commercial driver's license (CDL) is a driver's license required in the United States to operate large and heavy vehicles (including trucks, buses, and trailers) or a vehicle of any size that transports hazardous materials or more than 15 passengers (including the driver).[1]

  1. ^ "Types of CDL Licenses: A, B, and C Licenses Covered". Driving-Tests.org. Retrieved May 7, 2022.