West Corridor Constructors, selected by Infrastructure Ontario (IO) and the Ministry of Transportation Ontario (MTO) to design, build and finance the project, is a consortium comprised of Aecon (50%), Parsons (30%) and Amico (20%).
A key commuter and economic corridor, the Highway 401 expansion project includes an 18-kilometre reconstruction and widening of the Highway 401 in the western part of the GTA, from the Credit River in Mississauga to Regional Road 25 in Milton.