Road closureThu, May 21, 2026 – Fri, May 22, 2026HWY 401 (Westbound)
Continuous Construction on HWY 401 Westbound On-ramp at MALLORYTOWN RD (IC 675)/Leeds & Grenville…
Road closure · Thu, May 21, 2026 – Fri, May 22, 2026
★ IMPACT 3/5 · ★ SOURCE-BACKED CLOSURE RECORD
★ Quick facts
- Location
- At MALLORYTOWN RD (IC 675)/Leeds & Grenville CR 5
- Start date
- Thu, May 21, 2026 · 8:00 PM
- End date
- Fri, May 22, 2026 · 6:00 AM
- Lanes affected
- ALL LANES CLOSED
- Severity
- HeavyFull closure
- Source
- Ontario 511Event ID 238236
What's affected
HWY 401 (Westbound) at MALLORYTOWN RD (IC 675)/Leeds & Grenville CR 5 is impacted by a road closure with full closure conditions. Expect impact to ALL LANES CLOSED.
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.
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