Current Major Closures

• Three left lanes in the Highway 400 Northbound will be closed from March 27, 2026, Friday, at 11:00pm to March 28, 2026, Saturday, at 07:00am, from Bass Pro Mills Drive to just north of Rutherford Road.

Lane and Ramp Closures

Highway 400 northbound and southbound, spanning from south of Langstaff Road to north of Major Mackenzie Drive, will experience temporary lane closures throughout the project’s construction. Nighttime lane closures are also expected.

These closures are necessary to facilitate the permanent widening of the highway and the replacement of existing culverts. The project aims to enhance transportation infrastructure and traffic flow.

Traffic Impacts

For details on traffic impacts from this contract and others across the province, please visit https://511on.ca/