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.
In addition to the traffic impacts listed below, please visit 511on.ca for the latest traffic information before travelling.
PLANNED CLOSURES
for the week of April 14-20, 2024
→ Effective April 12
Click here to view Temporary Ramp and Lane Closures.
Please be aware that WCC will not issue updates, should an emergency closure occur due to unforeseen events.
Visit 511on.ca for all up-to-date traffic information before travelling.
UPDATE to the PLANNED CLOSURES
for the week of September 17-23, 2023
→ Effective September 19
Click here to view Temporary Ramp and Lane Closures.
Please be aware that WCC will not issue updates, should an emergency closure occur due to unforeseen events.
Visit 511on.ca for all up-to-date traffic information before travelling.
UPDATE – DATE EXTENDED
CONSTRUCTION NOTICE – Highway 401 Eastbound
Express Lanes Closure
→ Effective June 21-30, 2023
The closure noted below will affect all express lanes on Highway 401 in the eastbound direction until 12:00 PM, Friday June 30th, 2023.
Significant traffic delays are anticipated. Before travelling, plan accordingly and refer to 511on.ca for any additional impacts.
A reminder of SIGNIFICANT delays on Highway 401 Westbound
CONSTRUCTION NOTICE – Highway 401 Westbound
Multiple lanes and on-ramp closures
→ Effective April 27 – May 1, 2023
The closure noted below will affect multiple lanes and ramps for a 56-hour period. Significant traffic delays on Highway 401 westbound is anticipated.
Before travelling, plan accordingly and refer to 511on.ca for any additional impacts.
UPDATE: CONSTRUCTION NOTICE – Highway 401 Eastbound
Multiple lanes and on-ramp closures
→ Effective April 13-17, 2023
Times have changed in the closure noted below. Multiple lanes and ramps will be affected for a period of 56 hours. Significant traffic delays are anticipated.
Before travelling, plan accordingly and refer to 511on.ca for any additional impacts.
We are trying something new!
West Corridor Constructors (WCC) will now issue traffic-related impacts forecasted for the week ahead on a WEEKLY basis starting today. Planned closures can be viewed at the link below.
We anticipate updates to the construction activities and timelines; inclement weather, supply/materials shortage, delivery delays, and workforce scheduling to name a few. As these schedules change, WCC will update any traffic-related impacts.
Please be aware that WCC will not issue updates on our website, should an emergency closure occur due to unforeseen events.
Visit 511on.ca for all up-to-date traffic information before travelling.
MISSISSAUGA
MILTON / HALTON HILLS / MISSISSAUGA
MISSISSAUGA / HALTON HILLS / MILTON
Highway 401
Please contact the Project telephone line (24 Hours) at 1-888-619-1665 or Email info@401expansion-mississauga-milton.ca to report a concern.
+ 3rd Edition Newsletter
+ New Lanes Open from Mississauga to Milton!
+ Highway 401 Expansion Project Stats
for Updates
