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 southeastern section in the province of 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.

VANCOUVER, BRITISH COLUMBIA--(Marketwired - May 16, 2014) - TransCanada's (TSX:TRP) (NYSE:TRP) Prince Rupert Gas Transmission Project (PRGT) has submitted an application for an Environmental Assessment Certificate with the BC Environmental Assessment Office (EAO). Today the 180-day E...

CALGARY, ALBERTA--(Marketwire - Aug. 5, 2010) - TransCanada (TSX:TRP) (NYSE:TRP) has withdrawn its request to the Pipeline and Hazardous Materials Safety Administration (PHMSA) for a special permit. The permit would have allowed TransCanada to operate the proposed Keystone XL pipeline at a slight...