ConstructionThu, Sep 3, 2026 – Fri, Sep 4, 2026HWY 401 (Westbound)
Continuous Construction on HWY 401 Westbound Transfer at NEILSON ROAD, Toronto.
Construction · Thu, Sep 3, 2026 – Fri, Sep 4, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD
★ Quick facts
- Location
- At NEILSON ROAD
- Start date
- Thu, Sep 3, 2026 · 10:00 PM
- End date
- Fri, Sep 4, 2026 · 5:30 AM
- Lanes affected
- 1 Left Lane(s)
- Severity
- Heavy
- Source
- Ontario 511Event ID 296807
Traffic context
Traffic today
This closure is one part of the day. The daily brief shows the event load, other road work, and the likely busy window from the same calendar data.
- Day status
- Severe
- Busy window
- Sharpest squeeze likely 11 PM to 1 AM as crowds leave; arrivals build more gradually 8:30 AM to 10:30 AM.
- Main signal
- Canadian National Exhibition (CNE / The Ex) + Lake Shore Blvd W restriction + Lake Shore Blvd E restriction
- Canadian National Exhibition (CNE / The Ex)
- Lake Shore Blvd W
- Lake Shore Blvd E
What's affected
HWY 401 (Westbound) at NEILSON ROAD is impacted by construction work. The source lists affected lanes as: 1 Left Lane(s).
Corridors to compare: Highway 7 runs east–west north of the 401, while the 407 ETR is a tolled east–west highway. Avenue Road, Yonge Street, and Eglinton Avenue are signalized local corridors. Which one wins depends on the day — check a live map before you leave.
Same-day events
- Canadian National Exhibition (CNE / The Ex)
Sep 3 · Exhibition Place
- Canadian National Exhibition (CNE / The Ex)
Sep 4 · Exhibition Place
Plan ahead
Read next
★ RoadHighway 401 statusSegment-level closures, long-running restrictions, and upcoming work.read →★ DayTraffic todaySame-day events and other road restrictions around this closure.read →★ ClosuresToronto closures todayBrowse active and upcoming construction records.read →★ WeekendThis weekend's closuresSee this closure beside events, transit work, and other road restrictions.read →★ RouteDriving from Mississauga?Check how this road fits into the full route into Toronto.read →★ RouteDriving from Kitchener?Check how this road fits into the full route into Toronto.read →★ RouteDriving from Brampton?Check how this road fits into the full route into Toronto.read →