TODAY / MAY 31SEVERE
416TRAFFIC
ConstructionSun, May 24, 2026 – Sat, May 30, 2026HWY 427 (Northbound)

Nightly Moving Maintenance Closure on HWY 427 Northbound Collector between BROWNS LINE and FINCH…

Construction · Sun, May 24, 2026 – Sat, May 30, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD

Quick facts

Location
Between BROWNS LINE and FINCH AVENUE
Start date
Sun, May 24, 2026 · 10:00 PM
End date
Sat, May 30, 2026 · 5:00 AM
Lanes affected
1 Alternating Lane(s)
Severity
Heavy
Source
Ontario 511Event ID 246797

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.

Same-day events

Plan ahead

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