416TRAFFIC
Road closureThu, May 21, 2026 – Sat, May 23, 2026HWY 403 MISSISSAUGA (Eastbound)

Nightly Construction on HWY 403 MISSISSAUGA Eastbound Off-ramp at WINSTON CHURCHILL BLVD, Mississ…

Road closure · Thu, May 21, 2026 – Sat, May 23, 2026
★ IMPACT 3/5 · ★ SOURCE-BACKED CLOSURE RECORD

Quick facts

Location
At WINSTON CHURCHILL BLVD
Start date
Thu, May 21, 2026 · 9:00 PM
End date
Sat, May 23, 2026 · 5:00 AM
Lanes affected
ALL LANES CLOSED
Severity
HeavyFull closure
Source
Ontario 511Event ID 242046

What's affected

HWY 403 MISSISSAUGA (Eastbound) at WINSTON CHURCHILL BLVD is impacted by a road closure with full closure conditions. Expect impact to ALL LANES CLOSED.

Suggested detour: The QEW handles overflow east of Hamilton; Dundas Street is a slow surface alternate.

Same-day events

Plan ahead

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