The minimum age for obtaining a Commercial Driver’s License (CDL) in the United States is generally 21 years old for interstate commerce. This age requirement allows individuals to operate commercial vehicles across state lines. Intrastate commerce, involving driving solely within state boundaries, may have a lower age limit in some states, often 18 years of age.
The age restrictions are implemented to enhance safety and reduce risks associated with operating large commercial vehicles. Studies have suggested a correlation between driver age and accident rates, with younger drivers typically exhibiting higher accident rates. Historical context reveals that these regulations were progressively introduced to standardize requirements and ensure a more experienced driver pool for interstate transportation.