The Government of Ontario has appointed Colas, through its subsidiary The Miller Group, to construct the western section of the Bradford Bypass.

The €345m ($400m) contract covers a four-lane highway designed to reduce congestion and improve traffic flow across York Region and Simcoe County.

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Work will begin immediately on the 6.5km stretch between Highway 400 and Yonge Street, with project completion scheduled for 2030.

The overall Bradford Bypass project spans 16.3km, linking Highway 400 in Simcoe County with Highway 404 in York Region, and will follow a controlled-access design.

The contract adopts the Construction Manager/General Contractor (CMGC) model, integrating the contractor from the early design stages to advise on technical and operational aspects.

In the western section, construction will include new interchanges at Sideroad 10 and County Road 4, replacing the bridge at Highway 400 and Line 9, and establishing a direct freeway-to-freeway link to Highway 400.

The Ontario government expects the Bradford Bypass to cut travel times by as much as 35 minutes on select routes.

The project is estimated to support approximately 2,200 jobs annually and contribute up to C$286m to the province’s economy.

Construction has already commenced on the western segment at Sideroad 10, marking the start of work on the divided highway between west of Artesian Industrial Parkway and Highway 400.

Colas Canada president François Vachon said: “This is a significant achievement, of which we are all very proud. It reflects the strength of our commitment, rewards the close collaboration between The Miller Group, the Ontario Ministry of Transportation, and the design partners, and enables us to bring field expertise and innovative solutions. The trust built throughout this collaboration allowed us to secure the full contract.”