ConstructionSun, Jun 21, 2026 – Fri, Jun 26, 2026HWY 401 (Westbound)
Nightly Maintenance on HWY 401 Westbound between HWY 400, Toronto and HWY 6 SOUTH, Puslinch.
Construction · Sun, Jun 21, 2026 – Fri, Jun 26, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD
★ Quick facts
- Location
- At HWY 400
- Start date
- Sun, Jun 21, 2026 · 11:00 PM
- End date
- Fri, Jun 26, 2026 · 5:00 AM
- Lanes affected
- 1 Alternating Lane(s)
- Severity
- Heavy
- Source
- Ontario 511Event ID 262061
Traffic context
Traffic on Sun, Jun 21, 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 11 AM to 12:30 PM as people arrive, then again 4:30 PM to 6 PM as crowds leave.
- Main signal
- FIFA Fan Festival Toronto + The Strokes + Yorkville Exotic Car Show
- The Strokes
- Yorkville Exotic Car Show
- FIFA Fan Festival Toronto
What's affected
HWY 401 (Westbound) at HWY 400 is impacted by construction work. Expect impact to 1 Alternating Lane(s).
Suggested detour: Highway 7 to the north and the 407 ETR (toll) are the practical alternates. Avenue Road, Yonge, and Eglinton cannot absorb 401 volume.
Same-day events
- The Strokes - Reality Awaits North America
Jun 21 · RBC Amphitheatre
- Yorkville Exotic Car Show
Jun 21 · Bloor-Yorkville
- FIFA Fan Festival Toronto
Jun 21 · Fort York & The Bentway
- Luminato Festival Toronto
Jun 21 · Various Toronto Venues
- Toronto Jazz Festival
Jun 21 · Various Toronto Venues
- Toronto Blue Jays vs Houston Astros
Jun 22 · Rogers Centre
- FIFA Fan Festival Toronto
Jun 22 · Fort York & The Bentway
- Luminato Festival Toronto
Jun 22 · Various Toronto Venues
- Toronto Jazz Festival
Jun 22 · Various Toronto Venues
- FIFA World Cup: Croatia vs Panama
Jun 23 · BMO Field
Plan ahead
Read next
★ RoadHighway 401 statusSegment-level closures, long-running restrictions, and upcoming work.read →★ DayTraffic on Jun 21Same-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 →