Transportation Program Glossary (James Depow)

the weight of a container and the material used for packing.  As applied to a car or truckload, it is the weight of the vehicle exclusive of its contents.

Twenty-foot Equivalent Units (containers).

Trailer on a rail flat car (a form of piggyback).

A tractor hauling a trailer; also called a "Rig".

Pipelines used for long-distance movement of crude oil to distant refrineries, or for movement of refined products.