416 TrafficKnow before you go

Nightly Maintenance on HWY 400 Southbound between HWY 11 JCT, Springwater and MAPLEVIEW DRIVE, B…

Construction · Mon, May 4, 2026 – Fri, May 8, 2026

Quick facts

Location
At HWY 11 JCT
Start date
Mon, May 4, 2026 · 8:00 PM
End date
Fri, May 8, 2026 · 6:00 AM
Lanes affected
1 Alternating Lane(s)
Severity
Heavy

What's affected

HWY 400 (Southbound) at HWY 11 JCT 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