TODAY / AUG 26SEVERE
416TRAFFIC
ConstructionMon, Aug 31, 2026 – Fri, Sep 4, 2026HWY 401 (Eastbound)

Nightly Construction on HWY 401 Eastbound Collector between ISLINGTON AVE and WESTON ROAD, Toronto.

Construction · Mon, Aug 31, 2026 – Fri, Sep 4, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD

Quick facts

Location
Between ISLINGTON AVE and WESTON ROAD
Start date
Mon, Aug 31, 2026 · 11:00 PM
End date
Fri, Sep 4, 2026 · 5:00 AM
Lanes affected
2 Alternating Lane(s)
Severity
Heavy
Source
Ontario 511Event ID 292442

Traffic context

Traffic on Mon, Aug 31, 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
Sharpest squeeze likely 11 PM to 1 AM as crowds leave; arrivals build more gradually 8:30 AM to 10:30 AM.
Main signal
Canadian National Exhibition (CNE / The Ex) + SQUEEZE + DON TOLIVER: NITROUS
  • Canadian National Exhibition (CNE / The Ex)
  • SQUEEZE
  • DON TOLIVER: NITROUS

What's affected

HWY 401 (Eastbound) between ISLINGTON AVE and WESTON ROAD is impacted by construction work. The source lists affected lanes as: 2 Alternating 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

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