Road closureThu, May 21, 2026 – Fri, May 22, 2026HWY 404 (Southbound)
Nightly Maintenance on HWY 404 Southbound Off-ramp at HWY 401, Toronto.
Road closure · Thu, May 21, 2026 – Fri, May 22, 2026
★ IMPACT 3/5 · ★ SOURCE-BACKED CLOSURE RECORD
★ Quick facts
- Location
- At HWY 401
- Start date
- Thu, May 21, 2026 · 9:00 PM
- End date
- Fri, May 22, 2026 · 5:00 AM
- Lanes affected
- ALL LANES CLOSED
- Severity
- HeavyFull closure
- Source
- Ontario 511Event ID 246841
What's affected
HWY 404 (Southbound) at HWY 401 is impacted by a road closure with full closure conditions. Expect impact to ALL LANES CLOSED.
Suggested detour: Woodbine Avenue and Leslie Street are the practical alternates, but both can be slow through Markham and Richmond Hill.
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