416 TrafficKnow before you go

Nightly Construction on HWY 404 Northbound between STOUFFVILLE ROAD, Stouffville-Richmondhill an…

Construction · Mon, Apr 27, 2026 – Sat, May 2, 2026

Quick facts

Location
At STOUFFVILLE ROAD
Start date
Mon, Apr 27, 2026 · 9:00 PM
End date
Sat, May 2, 2026 · 5:00 AM
Lanes affected
1 Alternating Lane(s)
Severity
Heavy

What's affected

HWY 404 (Northbound) at STOUFFVILLE 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 add 20–30 min through Markham and Richmond Hill.

Same-day events

Plan ahead