TODAY / MAY 31SEVERE
MATTAMY HOMES BIKE FOR BRAIN HEALTH 2:00 AM DON VALLEY PARKWAY / GARDINER EXPRESSWAY★BRUNO MARS - THE ROMANTIC TOUR 7:00 PM ROGERS STADIUM★GARDINER EXPRESSWAY CLOSURE · ALL; HUMBER RIVER TO DON VALLEY PARKWAY★FLEET ST CLOSURE · BETWEEN MANITOBA DR AND FORT YORK BLVD★
416TRAFFIC
ConstructionMon, May 25, 2026 – Sat, May 30, 2026HWY 427 (Southbound)

Nightly Maintenance on HWY 427 Southbound Collector between RATHBURN ROAD and HOLIDAY DRIVE, Toro…

Construction · Mon, May 25, 2026 – Sat, May 30, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD

★ Quick facts

Location
Between RATHBURN ROAD and HOLIDAY DRIVE
Start date
Mon, May 25, 2026 · 10:00 PM
End date
Sat, May 30, 2026 · 5:00 AM
Lanes affected
1 Right Lane(s)
Severity
Heavy
Source
Ontario 511Event ID 247678

What's affected

HWY 427 (Southbound) between RATHBURN ROAD and HOLIDAY DRIVE is impacted by construction work. Expect impact to 1 Right 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

Plan ahead

Read next

★ RoadHighway 427 statusSegment-level closures, long-running restrictions, and upcoming work.read →★ DayTraffic on Mon, May 25, 2026Same-day events and other road restrictions around this closure.read →★ ClosuresAll road closuresBrowse active and upcoming construction records.read →