All aspects of the life cycle of a pipeline – from design and construction to operation and retirement – are guided by our comprehensive Operational Management System and strictly overseen by regulatory agencies and government departments. That's why every TC Energy pipeline is rigorously and precisely built with high-quality materials and the latest proven technology, and monitored by expert staff, every step of the way. Take the journey with us, and learn about the life cycle of a pipeline from planning to monitoring and beyond.

2021 NGTL System Expansion — Commitment Tracking Table No. 17

Marketlink transports shipments of U.S. crude oil from Cushing, Okla., to refineries in the U.S. Gulf Coast via the Keystone Pipeline System’s Gulf Coast extension. Delivery points include Sour Lake, Houston, and Port Arthur, Texas.

In accordance with Certificate Condition 21 and Condition 5 of the Order, NGTL encloses the Commitment Tracking Table for the Project. The reporting period for this submission is August 15, 2016 to September 15, 2016.

In accordance with Certificate Condition 21 and Condition 5 of the Order, NGTL encloses the Commitment Tracking Table for the Project. The reporting period for this submission is February 15, 2017 to March 15, 2017.

The Canadian Mainline is 14,114 km (8,770 mile) in length and safely carries natural gas from the Western Canada Sedimentary Basin (WCSB) to Ontario and beyond. The map depicts the pipeline's central section viewed from Manitoba to Ontario.

The Canadian Mainline pipeline is 4,114 km (8,770 mile) in length and has safely carried natural gas from the Western Canada Sedimentary Basin (WCSB) to Ontario and beyond throughout its history.