ConstructionMon, May 18, 2026 – Sat, May 23, 2026HWY 427 (Northbound)
Nightly Moving Maintenance Closure on HWY 427 Northbound Collector between BROWNS LINE and FINCH…
Construction · Mon, May 18, 2026 – Sat, May 23, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD
★ Quick facts
- Location
- Between BROWNS LINE and FINCH AVENUE
- Start date
- Mon, May 18, 2026 · 10:00 PM
- End date
- Sat, May 23, 2026 · 5:00 AM
- Lanes affected
- 1 Alternating Lane(s)
- Severity
- Heavy
- Source
- Ontario 511Event ID 243031
What's affected
HWY 427 (Northbound) between BROWNS LINE and FINCH AVENUE is impacted by construction work. Expect impact to 1 Alternating 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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