In certain places, you may have to get special endorsements to operate vehicles with air brakes, trucks carrying hazardous materials, trucks with tanks, or passenger vehicles. There are several commercial motor vehicles (CMV) that require the driver to have a CDL license. What is a Commercial Driver’s License (CDL)?Ī commercial driver’s license, or CDL, is the type of license that you need to operate placarded, heavy, or large HazMat (hazardous materials) vehicles for commercial purposes throughout the country (U.S.). What Are The Driver’s License Categories? Class A B C D Drivers License Types.
