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Road closureThu, May 28, 2026 – Thu, Jun 4, 2026HWY 404 (Southbound)

Nightly Maintenance on HWY 404 Southbound Off-ramp at 401, Toronto.

Road closure · Thu, May 28, 2026 – Thu, Jun 4, 2026
★ IMPACT 3/5 · ★ SOURCE-BACKED CLOSURE RECORD

★ Quick facts

Location
At 401
Start date
Thu, May 28, 2026 · 8:00 PM
End date
Thu, Jun 4, 2026 · 5:00 AM
Lanes affected
ALL LANES CLOSED
Severity
HeavyFull closure
Source
Ontario 511Event ID 240420

What's affected

HWY 404 (Southbound) at 401 is impacted by a road closure with full closure conditions. Expect impact to ALL LANES CLOSED.

Suggested detour: Woodbine Avenue and Leslie Street are the practical alternates, but both can be slow through Markham and Richmond Hill.

Same-day events

Plan ahead

Read next

★ RoadHighway 404 statusSegment-level closures, long-running restrictions, and upcoming work.read →★ DayTraffic on Thu, May 28, 2026Same-day events and other road restrictions around this closure.read →★ ClosuresAll road closuresBrowse active and upcoming construction records.read →