Trunkline

A trunkline or trunk line may refer to:

A natural gas or oil line using pipeline transport
Trunkline LNG, a liquid natural gas plant in Lake Charles, Louisiana
Trunkline Pipeline, a pipeline that runs from Texas and Louisiana to Illinois and Indiana
Trunking trunkline, a main telecommunications link such as a phone line directly connecting exchanges or switchboards at a considerable distance apart
A main transportation link such as:
A main line (railway)
The rail line on Norway Trunk Line
A component of the Michigan State Trunkline Highway System
Synonym for trunk carrier, a type of airline regulated by the Civil Aeronautics Board of the United States until 1978

See also