Trans Mountain timeline: A look at key dates in the project's history

OTTAWA -- The federal cabinet's long-awaited decision on the Trans Mountain pipeline expansion is due Tuesday. Here are some other key dates in the history of the original project and Kinder Morgan Canada's controversial efforts to expand its capacity: October 1953: The Trans Mountain pipeline begins shipping oil with an initial capacity of 150,000 barrels per day. The project initially features four pump stations along its 1,150-kilometre route and a marine dock that connects loading facilities