ConstructionThu, May 7, 2026 – Fri, May 15, 2026HWY 401 (Westbound)
Nightly Maintenance on HWY 401 Westbound between SALEM ROAD and WESTNEY ROAD, Ajax.
Construction · Thu, May 7, 2026 – Fri, May 15, 2026
★ IMPACT 5/5 · ★ SOURCE-BACKED CLOSURE RECORD
★ Quick facts
- Location
- Between SALEM ROAD and WESTNEY ROAD
- Start date
- Thu, May 7, 2026 · 11:59 PM
- End date
- Fri, May 15, 2026 · 5:00 AM
- Lanes affected
- 3 Right Lane(s)
- Severity
- Severe
- Source
- Ontario 511Event ID 241301
What's affected
HWY 401 (Westbound) between SALEM ROAD and WESTNEY ROAD is impacted by construction work. Expect impact to 3 Right Lane(s).
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
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Plan ahead
- More on Highway 401
- Toronto traffic on Thu, May 7, 2026
- Toronto traffic on Fri, May 8, 2026
- Toronto traffic on Sat, May 9, 2026
- Toronto traffic on Sun, May 10, 2026
- Toronto traffic on Mon, May 11, 2026
- Toronto traffic on Tue, May 12, 2026
- Toronto traffic on Wed, May 13, 2026
- Toronto traffic on Thu, May 14, 2026
- Toronto traffic on Fri, May 15, 2026