A commercial driver’s license or CDL as it is commonly known, is a requirement for drivers who operate large, heavy vehicles that haul cargo. Usually, semi-trucks, tractor trailers, or dump trucks come to mind or passenger buses or even hazardous materials in special containers. Whatever type of cargo and vehicle, a driver must have a specific type of CDL. The three types   CDL include Class A, Class, B, and Class C. Additionally, drivers can obtain endorsements for specialized vehicles and/or trailers. Having this licensure in order is imperative since it shows that the......