Drivers have been required to have a commercial driver's license (CDL) in order to drive certain commercial motor vehicles (CMVs) since April 1, 1992. The types of vehicles and operations requiring a CDL are outlined below. The Federal Motor Carrier Safety Administration (FMCSA) has developed and issued standards for State testing and licensing of CDL holders. These standards require States to issue CDLs to certain CMV drivers only after the driver passes knowledge and skills tests administer...
