TIR stands for “Transportation Internationale Routière,” derived from the first letters of the words. It means “international road transportation.”

A truck is a motor vehicle used for carrying heavy loads. Since they operate on the principle of automobiles, they are classified as large cargo vehicles in technical terms.

TRACTOR UNIT (Truck Cab, Tractor): It is a motorized land vehicle with at least two axles used to pull semi-trailers.