Commercial Driver's License Devolution Act of 2003

Commercial Driver's License Devolution Act of 2003 - Amends Federal transportation law to authorize an individual to operate a commercial motor vehicle solely within the borders of a State (intrastate) if such individual: (1) meets State-prescribed minimum standards for fitness for operating a commercial motor vehicle; and (2) has passed written and driving tests meeting those same standards. Requires States to test the fitness of commercial motor vehicle operators who operate intrastate, including with written and driving tests, consistent with either the minimum standards prescribed by the Secretary of Transportation or State-prescribed minimum standards.