Road closureMon, May 4, 2026 – Sat, May 9, 2026HWY 427 (Northbound)
Nightly Maintenance on HWY 427 Northbound On-ramp at DUNDAS STREET, Toronto.
Road closure · Mon, May 4, 2026 – Sat, May 9, 2026
★ IMPACT 3/5 · ★ SOURCE-BACKED CLOSURE RECORD
★ Quick facts
- Location
- At DUNDAS STREET
- Start date
- Mon, May 4, 2026 · 11:00 PM
- End date
- Sat, May 9, 2026 · 5:00 AM
- Lanes affected
- ALL LANES CLOSED
- Severity
- HeavyFull closure
- Source
- Ontario 511Event ID 239200
What's affected
HWY 427 (Northbound) at DUNDAS STREET is impacted by a road closure with full closure conditions. Expect impact to ALL LANES CLOSED.
Suggested detour: Highway 27 and Kipling Avenue are practical alternates for short trips. Long detours typically route via the 410.
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