Road closureSun, May 10, 2026 – Wed, May 13, 2026HWY 401 (Westbound)
Nightly Construction on HWY 401 Westbound On-ramp at PORT UNION ROAD, Toronto.
Road closure · Sun, May 10, 2026 – Wed, May 13, 2026
★ IMPACT 3/5 · ★ SOURCE-BACKED CLOSURE RECORD
★ Quick facts
- Location
- At PORT UNION ROAD
- Start date
- Sun, May 10, 2026 · 10:00 PM
- End date
- Wed, May 13, 2026 · 5:30 AM
- Lanes affected
- ALL LANES CLOSED
- Severity
- HeavyFull closure
- Source
- Ontario 511Event ID 243047
What's affected
HWY 401 (Westbound) at PORT UNION ROAD 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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