416 TrafficKnow before you go

Nightly Maintenance on HWY 409 Westbound between ATTWELL DRIVE and CARLINGVIEW DRIVE, Toronto.

Construction · Mon, Apr 27, 2026 – Sat, May 2, 2026

Quick facts

Road
HWY 409 (Westbound)
Location
Between ATTWELL DRIVE and CARLINGVIEW DRIVE
Start date
Mon, Apr 27, 2026 · 10:00 PM
End date
Sat, May 2, 2026 · 5:00 AM
Lanes affected
1 Left Lane(s)
Severity
Plan ahead

What's affected

HWY 409 (Westbound) between ATTWELL DRIVE and CARLINGVIEW DRIVE is impacted by construction work. Expect impact to 1 Left Lane(s).

Same-day events

Plan ahead