Q. Minimum Age for Commercial Driver's License
According to 49 CFR 391.11, you must be at least 21 years old to drive a commercial motor vehicle.
For more information contact the Federal Motor Carrier Safety Administration (FMCSA) field office nearest you. To find the office nearest you, click here.
The FMCSA home page, with a wealth of information, is located at: http://www.fmcsa.dot.gov
For information on age requirements for driving CMVs within a state and for information on obtaining a commercial driver's license, please contact your state Department of Motor Vehicles (DMV) or similar agency. Please see the attached file for state DMV contact information.