The Government of Ontario has announced the start of construction of the Highway 400 widening project, expanding the highway across a stretch of more than 10 kilometres from Major Mackenzie Drive in Vaughan to King Road in the Township of King.

This project, which is scheduled for completion in fall 2020 will widen the highway from six lanes to eight lanes and include a High Occupancy Vehicle (HOV) lane in each direction.

“I am proud that the provincial government continues to invest in much needed infrastructure improvements in York Region,” said Helena Jaczek, MPP for Oak Ridges-Markham. “Widening Highway 400 and adding HOV lanes will improve travel times for families, commuters and businesses in Oak Ridges-Markham.”

The Government of Ontario is investing $89.9 million in this project. Widening of Highway 400 will create or sustain approximately 629 construction jobs.

The average daily traffic for this section of Highway 400 is approximately 122,500 vehicles per day.


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