ConstructionThu, Sep 17, 2026 – Fri, Sep 18, 2026HWY 427 (Northbound)

Nightly Engineering Investigation on HWY 427 Northbound On-ramp at QEW, Toronto.

Construction · Thu, Sep 17, 2026 – Fri, Sep 18, 2026

★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD

Highway 427 status Traffic on Sep 17 Closures today This weekend

★ Quick facts

Road: HWY 427 (Northbound)
Location: At QEW
Start date: Thu, Sep 17, 2026 · 11:00 PM
End date: Fri, Sep 18, 2026 · 5:00 AM
Lanes affected: 1 Alternating Lane(s)
Severity: Heavy
Source: Ontario 511Event ID 304932

Traffic context

Traffic on Thu, Sep 17, 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.

Open daily brief

Day status: Heavy
Busy window: Arrival pressure likely builds 7 PM to 8:30 PM.
Main signal: Of Monsters and Men + Toronto International Film Festival (TIFF) + TTC Line 1 (Yonge-University)

Of Monsters and Men
Toronto International Film Festival (TIFF)
TTC Line 1 (Yonge-University)

What's affected

HWY 427 (Northbound) at QEW is impacted by construction work. The source lists affected lanes as: 1 Alternating Lane(s).

Corridors to compare: Highway 27 and Kipling Avenue run north–south near the 427 as surface corridors. Highway 410 is farther west and connects Brampton with the 401. Which one wins depends on the day — check a live map before you leave.

Same-day events

Of Monsters and Men - The Mouse Parade Tour
Sep 17 · RBC Amphitheatre
Toronto International Film Festival (TIFF)
Sep 17 · TIFF Bell Lightbox / Various
TTC Line 1 (Yonge-University) - St Clair to College stations - Nightly early closures starting at 11:59 p.m. - Monday, September 14 to Friday, September 18, 2026
Sep 17 · Toronto transit
Toronto International Film Festival (TIFF)
Sep 18 · TIFF Bell Lightbox / Various
Toronto Tempo vs. Indiana Fever
Sep 18 · Coca-Cola Coliseum
TTC Line 1 (Yonge-University) - St Clair to College stations - Nightly early closures starting at 11:59 p.m. - Monday, September 14 to Friday, September 18, 2026
Sep 18 · Toronto transit

Plan ahead

★ RoadHighway 427 statusSegment-level closures, long-running restrictions, and upcoming work.read →★ DayTraffic on Sep 17Same-day events and other road restrictions around this closure.read →★ ClosuresToronto closures todayBrowse active and upcoming construction records.read →★ WeekendThis weekend's closuresSee this closure beside events, transit work, and other road restrictions.read →★ RouteDriving from Mississauga?Check how this road fits into the full route into Toronto.read →★ RouteDriving from Kitchener?Check how this road fits into the full route into Toronto.read →★ RouteDriving from Brampton?Check how this road fits into the full route into Toronto.read →