trunkline

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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