416 TrafficKnow before you go

Continuous Construction on HWY 401 Eastbound Off-ramp at MALLORYTOWN RD (IC 675)/Leeds & Grenvill…

Construction · Tue, May 26, 2026 – Wed, May 27, 2026

Quick facts

Location
At MALLORYTOWN RD (IC 675)/Leeds & Grenville CR 5
Start date
Tue, May 26, 2026 · 8:00 PM
End date
Wed, May 27, 2026 · 6:00 AM
Lanes affected
ALL LANES CLOSED
Severity
SevereFull closure

What's affected

HWY 401 (Eastbound) at MALLORYTOWN RD (IC 675)/Leeds & Grenville CR 5 is impacted by construction work with full closure conditions. Expect impact to ALL LANES CLOSED.

Suggested detour: Highway 7 to the north and the 407 ETR (toll) are the practical alternates. Avenue Road, Yonge, and Eglinton cannot absorb 401 volume.

Same-day events

Plan ahead