Gas Transmission Northwest (GTN) is a 1,377-mile (2,216-km) pipeline system that transports Canadian natural gas to communities in Washington, Idaho, Oregon and California.

This brochure contains important information about safe excavation near natural gas pipelines.

The map depicts the pipeline for Great Lakes Gas Transmission.

The NGTL System can be the start of moving a molecule of gas from northeast B.C. to Mexico City. Is the NGTL System a part of your life?

The system includes a 416 mile (669 km) interstate natural gas pipeline that extends from the Canadian border at Waddington, New York, onward through New York State and western Connecticut, finally reaching its end point in the Bronx, New York.