Any driver who operates a combination of tractor and trailer that has a gross weight of 26,001 lbs. or more, or pulls a trailer or trailers that have a gross vehicle weight rating of more than 10,000 lbs., must have a Class A license.
Driving a vehicle that has a gross vehicle weight rating of 26,001 lbs. or more requires a Class B license. When such a vehicle is towing a trailer, the trailer's gross weight must not exceed 10,000 lbs.
If a vehicle is capable of transporting the driver and 15 or more people but is not defined as Class A or Class B, the driver must hold a Class C license. Also designated as Class C are vehicles transporting federally qualified hazardous or poisonous materials or select agents.
- Federal Motor Carrier Safety Administration: Commercial Driver's License Program (CDL/CDLIS)
- Federal Motor Carrier Safety Administration: CMV's are categorized as follows:
- Justia.com Laws & Regulations: Title 49 -Transportation
- Justia.com Laws & Regulations: 42 CFR & 73.3 HHS select agents and toxins
- Justia.com Laws & Regulations: 172.101 Purpose and use of hazardous materials table
- Pipeline and Hazardous Materials Safety Administration: Federal Hazardous Materials Transportation Law: An Overview
- semi trailer image by max blain from Fotolia.com