FMCSA

Longer combination vehicle (LCV)

Any combination of a truck-tractor and two or more trailers or semi-trailers, which operate on the National System of Interstate and Defense Highways with a gross vehicle weight greater than 80,000 pounds (36,288 kilograms).

Longer combination vehicle LCV LCV

Longer combination vehicle (LCV)

Any combination of a truck-tractor and two or more trailers or semi-trailers, which operate on the National System of Interstate and Defense Highways with a gross vehicle weight greater than 80,000 pounds (36,288 kilograms).