416 TrafficKnow before you go

Nightly Construction on HWY 400 Northbound Collector between ESSA RD / SIMCOE RD 27 and DUNLOP ST…

Construction · Mon, Apr 27, 2026 – Thu, Apr 30, 2026

Quick facts

Location
Between ESSA RD / SIMCOE RD 27 and DUNLOP STREET / SIMCOE ROAD 90
Start date
Mon, Apr 27, 2026 · 7:00 PM
End date
Thu, Apr 30, 2026 · 7:00 AM
Lanes affected
1 Alternating Lane(s)
Severity
Heavy

What's affected

HWY 400 (Northbound) between ESSA RD / SIMCOE RD 27 and DUNLOP STREET / SIMCOE ROAD 90 is impacted by construction work. Expect impact to 1 Alternating Lane(s).

Suggested detour: Highway 27 and Yonge Street are the practical alternates south of King City; both are heavily congested in peak.

Same-day events

Plan ahead