416 TrafficKnow before you go

Daily Maintenance on HWY 400 Southbound between HWY 12 N JCT, Tay and MOONSTONE ROAD/SIMCOE ROAD…

Construction · Mon, May 4, 2026 – Thu, May 7, 2026

Quick facts

Location
At HWY 12 N JCT
Start date
Mon, May 4, 2026 · 7:00 AM
End date
Thu, May 7, 2026 · 3:00 PM
Lanes affected
1 Right Lane(s)
Severity
Heavy

What's affected

HWY 400 (Southbound) at HWY 12 N JCT is impacted by construction work. Expect impact to 1 Right 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

No major events scheduled in this window.

Plan ahead