ConstructionSun, Sep 20, 2026 – Fri, Sep 25, 2026HWY 427 (Southbound)
Nightly Maintenance on HWY 427 Southbound Express between BLOOR STREET and DUNDAS STREET, Toronto.
Construction · Sun, Sep 20, 2026 – Fri, Sep 25, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD
★ Quick facts
- Location
- Between BLOOR STREET and DUNDAS STREET
- Start date
- Sun, Sep 20, 2026 · 10:00 PM
- End date
- Fri, Sep 25, 2026 · 5:00 AM
- Lanes affected
- 1 Left Lane(s)
- Severity
- Heavy
- Source
- Ontario 511Event ID 307653
Traffic context
Traffic on Sun, Sep 20, 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
- All day; arrival pressure builds 5 PM to 7 PM
- Main signal
- Thee Sacred Souls, LA LOM, & The Womack Sisters + Toronto International Film Festival (TIFF) + TTC Line 1 (Yonge-University)
- Thee Sacred Souls, LA LOM, & The Womack Sisters
- Toronto International Film Festival (TIFF)
- Toronto Tempo vs. New York Liberty
What's affected
HWY 427 (Southbound) between BLOOR STREET and DUNDAS STREET is impacted by construction work. The source lists affected lanes as: 1 Left 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
- Thee Sacred Souls, LA LOM, & The Womack Sisters
Sep 20 · RBC Amphitheatre
- Toronto International Film Festival (TIFF)
Sep 20 · TIFF Bell Lightbox / Various
- Toronto Tempo vs. New York Liberty
Sep 20 · Coca-Cola Coliseum
- Barrie Construction
Sep 20 · Toronto transit
- Zach Bryan - With Heaven On Tour
Sep 21 · Rogers Centre
- Staind: Break The Cycle 25th Anniversary Tour
Sep 21 · RBC Amphitheatre
- Charli xcx - Music, Fashion, Film Tour
Sep 21 · Scotiabank Arena
Plan ahead
Read next
★ RoadHighway 427 statusSegment-level closures, long-running restrictions, and upcoming work.read →★ DayTraffic on Sep 20Same-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 →