ConstructionWed, May 20, 2026 – Sat, May 23, 2026HWY 427 (Northbound)
Nightly Maintenance on HWY 427 Northbound Collector between RATHBURN ROAD, Toronto and HWY 401, .
Construction · Wed, May 20, 2026 – Sat, May 23, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD
★ Quick facts
- Location
- At RATHBURN ROAD
- Start date
- Wed, May 20, 2026 · 11:00 PM
- End date
- Sat, May 23, 2026 · 5:00 AM
- Lanes affected
- 3 Right Lane(s)
- Severity
- Heavy
- Source
- Ontario 511Event ID 244695
What's affected
HWY 427 (Northbound) at RATHBURN ROAD is impacted by construction work. Expect impact to 3 Right Lane(s).
Suggested detour: Highway 27 and Kipling Avenue are practical alternates for short trips. Long detours typically route via the 410.
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