Nightly Maintenance on HWY 427 Southbound Collector between FINCH AVENUE and BROWNS LINE, Toronto.
★ Quick facts
- Location
- Between FINCH AVENUE and BROWNS LINE
- Start date
- Sun, Aug 9, 2026 · 10:00 PM
- End date
- Sat, Aug 15, 2026 · 5:00 AM
- Lanes affected
- 1 Alternating Lane(s)
- Severity
- Heavy
- Source
- Ontario 511Event ID 283141
Traffic context
Traffic on Sun, Aug 9, 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
- Arrival pressure likely builds 7 PM to 8 PM.
- Main signal
- National Bank Open Toronto + RUSH: Fifty Something + Lakeshore West GO line planned construction
- National Bank Open Toronto
- Yorkville Ave
- RUSH: Fifty Something
What's affected
HWY 427 (Southbound) between FINCH AVENUE and BROWNS LINE 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
- National Bank Open Toronto
Aug 9 · Sobeys Stadium
- RUSH: Fifty Something
Aug 9 · Scotiabank Arena
- Lakeshore West Construction
Aug 9 · Toronto transit
- Toronto Blue Jays vs Boston Red Sox
Aug 10 · Rogers Centre
- National Bank Open Toronto
Aug 10 · Sobeys Stadium
- Toronto Blue Jays vs Boston Red Sox
Aug 11 · Rogers Centre
- National Bank Open Toronto
Aug 11 · Sobeys Stadium
- RUSH: Fifty Something
Aug 11 · Scotiabank Arena
- Toronto Blue Jays vs Boston Red Sox
Aug 12 · Rogers Centre
- Hilary Duff: the lucky me tour
Aug 12 · RBC Amphitheatre