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Highway 401 Expansion

Mississauga to Milton, Ontario

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. 

CLIENT
Infrastructure Ontario and Ministry of Transportation Ontario

VALUE
$639.8 million

START DATE
Fourth Quarter 2019

ESTIMATED COMPLETION
2022

Features:

  • 12 lane core-collector system from the Credit River to Winston Churchill Boulevard
  • 10 lanes from Winston Churchill Boulevard to Highway 407 ETR/ Highway 401 interchange
  • 12 lane core-collector system from Highway 407 ETR/ Highway 401 interchange to east of the James Snow Parkway
  • 10 lanes from the James Snow Parkway to west of Regional Road 25
  • Median HOV lanes
  • Support facilities and features - drainage, lighting, signage, ATMS, and carpool lots
401_Expansion_Stock_resize

18
KM RECONSTRUCTION AND WIDENING

2
10-LANE SEGMENTS

2
12-LANE CORE COLLECTOR SYSTEMS AND
MEDIAN HOV LANES

Community and Green Benefits

  • Reduced traffic congestion, greenhouse gases and fuel consumption
  • Improved quality of life for commuters by reducing daily travel time


Economic Benefits

  • Design and construction of the project will generate employment opportunities and produce significant benefits for commuters
  • WCC estimates the majority of the labour will come from the Greater Toronto Area. There will be approximately 200 workers on-site at the peak of construction.

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