Montreal Autoroute 30

  • 42km highway link to bypass Montreal and alleviate congestion.
  • Public private partnership, 35-year concession on highway.
  • Highway/bridge project includes two major 2km long bridges.

Public-private partnerships allow for private financing and management of major infrastructure projects like highways, tunnels and bridges. The A30 highway project in southern Quebec happens to involve all three.

The new 42km western section of the Autoroute 30 will alleviate traffic congestion by providing a southern bypass route around the island of Montreal. At the same time, it will improve access, ease congestion and promote economic development in the Montérégie, the southwest corner of Quebec province, and strengthen commercial ties to neighboring Ontario and the northeast United States.

Construction of the four-lane highway is scheduled to commence in Spring 2009 and finish in 2012, completing a highway link begun in the 1960s. The two-stage construction project involves a 35km western section between Châteauguay and Vaudreuil-Dorion. A 7km section connects the road to Salaberry-de-Valleyfield.

The approximately C$1.5bn project includes two major bridge crossings – a 2.5km bridge over the Beauharnois Canal, part of the St. Lawrence Seaway, and another 1.8km in length over the St. Lawrence River – and a 100m tunnel beneath the Soulange Canal. Construction is expected to create about 19,000 jobs.

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Design Yearbook 2011 cover
  • A rendering of Beauharnois Canal bridge on the A30. Credit Wilkinson EyreOpen gallery

    A rendering of Beauharnois Canal bridge on the Montreal Autoroute 30 (A30).