Please be advised of the following traffic impacts.

We apologize for any inconvenience disruptions may cause. Motorists are advised to plan alternate routes and drive according to conditions, slow down, stay alert and in control.


Sixth Line Bridge at Highway 401

» Long term full closure of Sixth Line at Highway 401 (1 year).

Start Date: Sunday, June 28, 2020
End Date: Friday, July 28, 2021
Start Time: 00:00 to 24:00

Long term full closure of Sixth Line at Highway 401, for 1 year.

Northbound traffic will be detoured as follows (see blue detour route on map):
• Westbound on Derry Road
• Northbound on James Snow Parkway
• Eastbound on Steeles Avenue

Southbound traffic will be detoured as follows (see green detour route on map):
• Eastbound on Steeles Avenue
• Southbound on Trafalgar Road
• Westbound on Derry Road


Lane reduction on Derry Road (northbound and southbound directions).

» Long term temporary lane reductions, on Derry Road between Argentia Road and Syntex Court.

Start Date: Monday, June 15, 2020
End Date: Tuesday, June 8, 2021
Start Time: 00:00 to 24:00


Derry Road reduced from 6 lanes to 4 lanes (2 lanes northbound and 2 lanes southbound) for approximately 1 year. Closure required for bridge work at Highway 401 overpass structure.

• Shift is required as part of staging plan to facilitate construction.
• All work is weather permitting.
• 24 Hours a day.
• Ramp access will be maintained at all times.
• Minor traffic disruptions anticipated.


Northbound Creditview Road/Creditview Bridge

» Temporary Lane Closure

Date of Closure: December 2, 2019
Date of Re-Opening: August 2021
Start Time: 00:00AM


The Creditview Road northbound lane will close at Argentia Road. Northbound drivers will be detoured as follows:

• West on Argentia Road
• North on Mississauga Road
• East on Derry Road
• South on Creditview Road

Construction of the Highway 401 Expansion Project and the replacement of the Creditview Bridge requires a lane closure and detour of Creditview Road northbound traffic via Mississauga Road utilizing Argentia Road and Derry Road. The detour is
approximately 4.4km long. Southbound traffic will continue to use the existing bridge to cross Highway 401 during construction. The planned opening date for the new bridge is August 2021 where access over Highway 401 will be restored.

Hours of Work Work on the bridge will take place between the hours of 7:00 AM – 5:00 PM.
Pedestrians In order to complete the work in a safe manner, Creditview Bridge will be closed to pedestrians.
Cyclists Construction staging safety will require the bridge being closed to cyclists.
Traffic Impacts Traffic detour will be in place. Motorists are reminded to abide by traffic/construction posted signs in local areas to ensure the safety of workers and safe travel of all local road users. Efforts have been made to manage traffic in the area for the safety of all road users, residents and workers. Signage will be put in place.

Detour route of the Creditview Bridge temporary northbound lane closure

Please contact the Project telephone line (24 Hours) at 1-888-619-1665 or Email to report a concern.

• All work is weather permitting.
• Work may not take place on all dates listed above.
• Detour routes may be in place.

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