What is "trunkline"

n. (context US transport English) Any road under the jurisdiction of the (w: Michigan Department of Transportation).

A trunkline may refer to any of the following:

• 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
• 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 component of the Michigan State Trunkline Highway System
  • A main rail line