ConstructionSun, Oct 18, 2026 – Mon, Oct 19, 2026HWY 401 (Eastbound)
Nightly Construction on HWY 401 Eastbound Express between YONGE ST and BAYVIEW AVE, Toronto.
Construction · Sun, Oct 18, 2026 – Mon, Oct 19, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD
★ Quick facts
- Location
- Between YONGE ST and BAYVIEW AVE
- Start date
- Sun, Oct 18, 2026 · 10:00 PM
- End date
- Mon, Oct 19, 2026 · 6:00 AM
- Lanes affected
- 1 Right Lane(s)
- Severity
- Heavy
- Source
- Ontario 511Event ID 320279
Traffic context
Traffic on Sun, Oct 18, 2026
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
- Heavy
- Busy window
- Likely busiest 6 AM to 7:30 PM as Waterfront Marathon crowds leave Yonge Street / waterfront course, AFC Toronto vs. Calgary Wild FC traffic heads toward BMO Field.
- Main signal
- AFC Toronto at BMO Field + Waterfront Marathon + Marlies at Coca-Cola Coliseum
- AFC Toronto vs. Calgary Wild FC
- Waterfront Marathon
- Lake Shore Blvd W
What's affected
HWY 401 (Eastbound) between YONGE ST and BAYVIEW AVE is impacted by construction work. The source lists affected lanes as: 1 Right 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
- AFC Toronto vs. Calgary Wild FC
Oct 18 · BMO Field
- TCS Toronto Waterfront Marathon and Half Marathon
Oct 18 · Yonge Street / waterfront course
- Toronto Marlies vs Belleville Senators
Oct 18 · Coca-Cola Coliseum
- Max Amini Live in Toronto!
Oct 18 · Scotiabank Arena
- Lakeshore West Construction
Oct 18 · Toronto transit
- Toronto Maple Leafs vs San Jose Sharks
Oct 19 · Scotiabank Arena
Plan ahead
Read next
★ RoadHighway 401 statusSegment-level closures, long-running restrictions, and upcoming work.read →★ DayTraffic on Oct 18Same-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 →