ConstructionSun, Jul 26, 2026 – Fri, Jul 31, 2026HWY 427 (Southbound)
Nightly Maintenance on HWY 427 Southbound Collector between DUNDAS STREET and EVANS AVE, Toronto.
Construction · Sun, Jul 26, 2026 – Fri, Jul 31, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD
★ Quick facts
- Location
- Between DUNDAS STREET and EVANS AVE
- Start date
- Sun, Jul 26, 2026 · 10:00 PM
- End date
- Fri, Jul 31, 2026 · 5:00 AM
- Lanes affected
- 2 Left Lane(s)
- Severity
- Heavy
- Source
- Ontario 511Event ID 276268
Traffic context
Traffic on Sun, Jul 26, 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
- Severe
- Busy window
- Likely busiest 2 AM to 12 PM as traffic factors overlap.
- Main signal
- City of Toronto route closures + Supertri Toronto Triathlon Festival + 311 and Dirty Heads: So Glad You Made It Tour
- Supertri Toronto Triathlon Festival
- F.G. Gardiner Expressway
- Don Valley Parkway
What's affected
HWY 427 (Southbound) between DUNDAS STREET and EVANS AVE is impacted by construction work. Expect impact to 2 Left Lane(s).
Suggested detour: Highway 27 and Kipling Avenue are practical alternates for short trips. Long detours typically route via the 410.
Same-day events
- Supertri Toronto Triathlon Festival
Jul 26 · Exhibition Place / Toronto expressways
- 311 and Dirty Heads: So Glad You Made It Tour
Jul 26 · RBC Amphitheatre
- Tame Impala - The Deadbeat Tour
Jul 26 · Scotiabank Arena
- Barrie Construction
Jul 26 · Toronto transit
- Kitchener Construction
Jul 26 · Toronto transit
- Planned Construction
Jul 26 · Toronto transit
- J. Cole: The Fall-Off Tour
Jul 27 · Scotiabank Arena
- Styx & Chicago: The Windy Cities Tour
Jul 28 · RBC Amphitheatre
- J. Cole: The Fall-Off Tour
Jul 28 · Scotiabank Arena
Plan ahead
Read next
★ RoadHighway 427 statusSegment-level closures, long-running restrictions, and upcoming work.read →★ DayTraffic on Jul 26Same-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 →