Canada News

GO Expansion: Highway 401 and 409 Rail Tunnel Project: Twin SEM tunnels

The Highway 401 and 409 Rail Tunnel is a Metrolinx project delivered in partnership with Infrastructure Ontario.  The two new 180 m tunnels constructed under 21 lanes of one of the busiest highways in North America will provide a capacity increase on the Kitchener GO line helping to bring more frequent, all-day, two-way service on core segments of the network and even allowing for double-stacked freight. 

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An update from the 401 Crossing

The highway 401 Rail Tunnel project consists of two tunnels, each 188m long with a maximum overburden of 2-5m. Dr. Sauer & Partners delivered the tunnel design for the Toronto Tunnel Partners (TTP).

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The Rideau Station Cavern of Ottawa's Recently Opened Confederation Line

The Confederation line is an electrically powered light rail line crossing Canada’s capital from west to east and opened to the public on September 14, 2019. It was the largest infrastructure project in the history of the City of Ottawa. Rideau station is one of three mined underground stations on the line.

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