Q. What are the physical standards for Commercial Driver's License (CDL) holders?
49 CFR 391.41 and 391.43: Regulations for Commercial Driver's License (CDL) medical exams and physical qualifications
Guidelines on Driver Medical Fitness for Duty provided by the Federal Motor Carrier Safety Administration (FMCSA)
Questions? Contact the FMCSA Physical Qualifications Division
Phone: (202) 366-4001