TODAY / OCT 3SEVERE
416TRAFFIC
ConstructionSun, Oct 4, 2026 – Fri, Oct 9, 2026HWY 401 (Westbound)

Nightly Construction on HWY 401 Westbound Collector between ROUGE RIVER and PORT UNION ROAD, Toro…

Construction · Sun, Oct 4, 2026 – Fri, Oct 9, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD

★ Quick facts

Location
Between ROUGE RIVER and PORT UNION ROAD
Start date
Sun, Oct 4, 2026 · 10:00 PM
End date
Fri, Oct 9, 2026 · 6:00 AM
Lanes affected
1 Right Lane(s)
Severity
Heavy
Source
Ontario 511Event ID 315228

Traffic context

Traffic on Sun, Oct 4, 2026

This closure is one part of the day. The daily brief shows the event load, other road work, and the likely busy window from the same calendar data.

Day status
Heavy
Busy window
Likely busiest 6:30 PM to 12 AM as traffic factors overlap.
Main signal
Bloor St W closure + Gorillaz + Barrie GO line planned construction
  • Bloor St W
  • Gorillaz
  • Barrie GO line planned construction

What's affected

HWY 401 (Westbound) between ROUGE RIVER and PORT UNION ROAD is impacted by construction work. The source lists affected lanes as: 1 Right Lane(s).

Corridors to compare: Highway 7 runs east–west north of the 401, while the 407 ETR is a tolled east–west highway. Avenue Road, Yonge Street, and Eglinton Avenue are signalized local corridors. Which one wins depends on the day — check a live map before you leave.

Same-day events

Plan ahead

Read next