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ConstructionMon, May 11, 2026 – Fri, May 15, 2026HWY 403 MISSISSAUGA (Eastbound)

Nightly Construction on HWY 403 MISSISSAUGA Eastbound between MAVIS ROAD and HWY 10 / HURONTARIO…

Construction · Mon, May 11, 2026 – Fri, May 15, 2026
★ IMPACT 3/5 · ★ SOURCE-BACKED CLOSURE RECORD

Quick facts

Location
Between MAVIS ROAD and HWY 10 / HURONTARIO STREET
Start date
Mon, May 11, 2026 · 9:00 PM
End date
Fri, May 15, 2026 · 5:00 AM
Lanes affected
3 Alternating Lane(s)
Severity
Heavy
Source
Ontario 511Event ID 240874

What's affected

HWY 403 MISSISSAUGA (Eastbound) between MAVIS ROAD and HWY 10 / HURONTARIO STREET is impacted by construction work. Expect impact to 3 Alternating Lane(s).

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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