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Cab-over-engine tractor (COE)
Combination vehicle
Commercial Driver's License (CDL)
Commercial Motor Vehicle (CMV)
Commercial Motor Vehicle Safety Act of 1986 (CMVSA/86)
Common carrier
Contract carrier
Conventional tractors
Department of Motor Vehicle (DMV)
Drive axle
Duals
18-wheeler
Environmental Protection Agency (EPA)
Federal Motor Carrier Safety Administration (FMCSA)
Federal Motor Carrier Safety Regulations (FMCSR)
For-hire carrier
Full trailer
Gross Vehicle Weight Rating (GVWR)
Hazardous Materials Regulations
Interstate carriers
Intrastate carriers
Motor Carrier Safety Assistance Program (MCSAP)
Motor carriers
National Transportation Safety Board (NTSB)
Nuclear Regulatory Commission (NRC)
Occupational Safety and Health Administration (OSHA)
Office of Hazardous Materials Transportation (OHMT)
Private carrier
Pusher axle
Research and Special Programs Administration (RSPA)