Highway 401 Eastbound from Victoria Park Avenue to Neilson Road
Ministry of Transportation Contract #2026-2004
Current Closures
July 13 to December 18, 2026
To accommodate rehabilitation work on the Progress Avenue Bridge over Highway 401, traffic on Progress Avenue will be reduced to one lane in each direction (one northbound lane and one southbound lane).
July 16 to October 9, 2026
The southbound Progress Avenue ramp to Highway 401 Eastbound Collectors will be closed for the rehabilitation of the Progress Avenue Bridge over Highway 401. To access Highway 401 Eastbound Collectors, follow the signed D-1 detour route via northbound Markham Road.
July 16 to October 9, 2026
Lane 2 of Ramp Highway 401 Westbound Collectors to Markham Road Northbound and Southbound will be closed for construction.
July 24 to July 25, 2026
The McCowan Road southbound ramp to Highway 401 Eastbound Collectors will be closed from 10:00 PM on Friday, July 24, to 12:00 PM on Saturday, July 25, to facilitate rehabilitation of the Highway 401 Eastbound shoulder. During this closure, traffic will be detoured via Ellesmere Road eastbound to the Markham Road on-ramp.
Closure of two right lanes on Highway 401 Eastbound Collectors at McCowan Road.
For more details on traffic impacts from this contract and others across the province please visit https://511on.ca/
NOTE: all nightly lane closures are subject to change and are weather dependent.
Project Milestones
This section of the website will have updates on milestone project activities that are to occur, or have been completed