416 TrafficKnow before you go

Nightly Construction on HWY 401 Westbound between SIMCOE ST and STEVENSON ROAD, Oshawa.

Construction · Sun, Apr 26, 2026

Quick facts

Location
Between SIMCOE ST and STEVENSON ROAD
Start date
Sun, Apr 26, 2026
End date
Sun, Apr 26, 2026
Lanes affected
2 Right Lane(s)
Severity
Extreme

What's affected

HWY 401 (Westbound) between SIMCOE ST and STEVENSON ROAD is impacted by construction work. Expect impact to 2 Right Lane(s).

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