HWY 427 Expansion

A $616-million highway expansion with the Ministry of Transportation (MTO) and Infrastructure Ontario (IO).

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The Highway 427 Expansion project will extend the highway 6.6 km, from Highway 7 to Major Mackenzie Drive and widen the existing highway to 8 lanes between Finch Avenue and Highway 7.

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New interchanges will be added at Langstaff Road, Rutherford Road and Major Mackenzie Drive.