Road closureMon, May 4, 2026 – Fri, May 8, 2026HWY 401 (Westbound)
Daily Moving Maintenance Closure on HWY 401 Westbound On-ramp at THICKSON ROAD, Whitby.
Road closure · Mon, May 4, 2026 – Fri, May 8, 2026
★ IMPACT 3/5 · ★ SOURCE-BACKED CLOSURE RECORD
★ Quick facts
- Location
- At THICKSON ROAD
- Start date
- Mon, May 4, 2026 · 12:30 PM
- End date
- Fri, May 8, 2026 · 1:30 PM
- Lanes affected
- ALL LANES CLOSED
- Severity
- HeavyFull closure
- Source
- Ontario 511Event ID 239288
What's affected
HWY 401 (Westbound) at THICKSON 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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