416TRAFFIC
Road closureThu, May 7, 2026 – Sat, May 9, 2026HWY 401 (Westbound)

Continuous Construction on HWY 401 Westbound Transfer at PORT UNION ROAD, Toronto.

Road closure · Thu, May 7, 2026 – Sat, May 9, 2026
★ IMPACT 3/5 · ★ SOURCE-BACKED CLOSURE RECORD

Quick facts

Location
At PORT UNION ROAD
Start date
Thu, May 7, 2026 · 12:00 AM
End date
Sat, May 9, 2026 · 5:00 AM
Lanes affected
ALL LANES CLOSED
Severity
HeavyFull closure
Source
Ontario 511Event ID 241563

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.

Same-day events

Plan ahead

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