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.

CALGARY, ALBERTA--(Marketwired - March 13, 2017) - News Release - TransCanada Corporation (TSX:TRP)(NYSE:TRP) (TransCanada) today announced the successful conclusion of a long-term, fixed-price Open Season to transport natural gas on the Canadian Mainline from the Empress receipt poi...

CALGARY, ALBERTA--(Marketwire - March 27, 2013) - TransCanada Corporation (TSX:TRP) (NYSE:TRP) (TransCanada) today responded to the National Energy Board (NEB) decision on TransCanada's 2012-2013 restructuring proposal for tolls and service on the Canadian Mainline. The NEB decision ...

CALGARY, ALBERTA--(Marketwired - Sept. 7, 2017) - News Release - TransCanada Corporation (TSX:TRP)(NYSE:TRP) (TransCanada) announced today it has filed a letter with the National Energy Board (NEB) seeking a 30-day suspension of the Energy East Pipeline and Eastern Mainline Project a...