Canadian Prime Minister Justin Trudeau has announced plans to build a high speed rail line linking Toronto, Montreal, and Quebec City, calling it “the largest infrastructure project in Canadian history.

MONTREAL — A high-speed rail link between Toronto and Quebec City could deliver billions of dollars in economic benefits, a new report says. The C.D. Howe Institute study found that the promised line would generate between $15 billion and $27 billion in value for Canadians over six decades.