ConstructionMon, May 11, 2026 – Fri, May 15, 2026HWY 403 MISSISSAUGA (Eastbound)
Nightly Construction on HWY 403 MISSISSAUGA Eastbound between WINSTON CHURCHILL BLVD and ERIN MI…
Construction · Mon, May 11, 2026 – Fri, May 15, 2026
★ IMPACT 3/5 · ★ SOURCE-BACKED CLOSURE RECORD
★ Quick facts
- Location
- Between WINSTON CHURCHILL BLVD and ERIN MILLS PKWY
- Start date
- Mon, May 11, 2026 · 9:00 PM
- End date
- Fri, May 15, 2026 · 5:00 AM
- Lanes affected
- 2 Alternating Lane(s)
- Severity
- Heavy
- Source
- Ontario 511Event ID 241604
What's affected
HWY 403 MISSISSAUGA (Eastbound) between WINSTON CHURCHILL BLVD and ERIN MILLS PKWY is impacted by construction work. Expect impact to 2 Alternating Lane(s).
Suggested detour: The QEW handles overflow east of Hamilton; Dundas Street is a slow surface alternate.
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