TODAY / MAY 31SEVERE
416TRAFFIC
ConstructionThu, May 21, 2026 – Sat, May 30, 2026HWY 404 (Northbound)

Nightly Maintenance on HWY 404 Northbound between YORK MILLS ROAD, Toronto and WOODBINE AVE, Gwi…

Construction · Thu, May 21, 2026 – Sat, May 30, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD

Quick facts

Location
At YORK MILLS ROAD
Start date
Thu, May 21, 2026 · 10:00 PM
End date
Sat, May 30, 2026 · 6:00 AM
Lanes affected
1 Alternating Lane(s)
Severity
Heavy
Source
Ontario 511Event ID 247131

What's affected

HWY 404 (Northbound) at YORK MILLS ROAD is impacted by construction work. Expect impact to 1 Alternating Lane(s).

Suggested detour: Woodbine Avenue and Leslie Street are the practical alternates, but both can be slow through Markham and Richmond Hill.

Same-day events

Plan ahead

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