416 TrafficKnow before you go

Nightly Construction on HWY 400 Southbound Express between MAJOR MACKENZIE DRIVE and BASS PRO MIL…

Construction · Sat, Apr 25, 2026

Quick facts

Location
Between MAJOR MACKENZIE DRIVE and BASS PRO MILLS DRIVE
Start date
Sat, Apr 25, 2026
End date
Sat, Apr 25, 2026
Lanes affected
1 Alternating Lane(s)
Severity
Severe

What's affected

HWY 400 (Southbound) between MAJOR MACKENZIE DRIVE and BASS PRO MILLS DRIVE 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