Ontario Ministry of Transport (MTO) projects that works on the $84 million widening of Highway 401 to 10 lanes in Oshawa will be completed by the end of 2028.
“The project began in May and is expected to be complete at the end of 2028,” a MTO spokesperson told Durham Post.
“This work is a separate undertaking from the work Metrolinx is completing in relation to the GO Train extension to Bowmanville, but MTO and Metrolinx are coordinating to minimize impacts to the public,” the spokesperson clarified.
The contract has been awarded to Dufferin Construction, and also includes resurfacing the eastbound lanes of Highway 401 from east of Harmony Road to Courtice Road.
First Phase
The first phase of this project is replacement of the Highway 401 overpasses at Park Road and Cubert Street, which is necessary to facilitate the future widening of Highway 401 through Oshawa.
“Preliminary work includes vegetation clearing, watermain relocations, new storm sewers, and noise wall removal,” they added.
Ric Bresee, Parliamentary Assistant to the Minister of Transportation, earlier said: “Replacing Highway 401 overpasses in Oshawa is a critical step in our plan to widen the 401 so we can tackle gridlock, grow our economy in the face of unprecedented tariffs, and support the drivers and businesses who rely on this highway every day.”
The project will support hundreds of jobs during construction in the engineering, construction and supply chain industries.
“Today marks a major milestone for Oshawa,” said Dan Carter, Mayor of Oshawa at the announcement. “The replacement of the Park Road and Cubert Street overpasses is more than just infrastructure—it’s a strategic investment in our city’s future. As Oshawa continues to grow, this project will help support local businesses, create good-paying jobs, and strengthen our economy as a whole.”
Quick Facts
- Dufferin Construction Company, a division of CRH Canada Group Inc. (Oakville, Ontario) was awarded the contract to replace the Park Road and Cubert Street overpasses on Highway 401.
- Gridlock costs Ontario’s economy up to $56 billion each year, according to a report from the Canadian Centre for Economic Analysis. If left unchecked, the annual cost of gridlock could reach $108 billion by 2044.
- More than 10,000 trucks use Highway 401 each day, transporting $380 million worth of goods.
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Move the trucks to the 407, simple
The people who built that sh tshow of the 401 should be held accountable. Inconvenience the people coming from the east for 6 to 7 years and now you want think about doing it right, complete and udder lack of simple good sense. Pathetic who ties these peoples shoes in the morning.