TODAY / JUN 19HEAVY
416TRAFFIC
ConstructionSun, Jun 21, 2026 – Sat, Jun 27, 2026HWY 427 (Southbound)

Nightly Maintenance on HWY 427 Southbound Express between FINCH AVENUE and BROWNS LINE, Toronto.

Construction · Sun, Jun 21, 2026 – Sat, Jun 27, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD

Quick facts

Location
Between FINCH AVENUE and BROWNS LINE
Start date
Sun, Jun 21, 2026 · 10:00 PM
End date
Sat, Jun 27, 2026 · 5:00 AM
Lanes affected
1 Alternating Lane(s)
Severity
Heavy
Source
Ontario 511Event ID 261311

Traffic context

Traffic on Sun, Jun 21, 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
Likely busiest 11 AM to 12:30 PM as people arrive, then again 4:30 PM to 6 PM as crowds leave.
Main signal
FIFA Fan Festival Toronto + The Strokes + Yorkville Exotic Car Show
  • The Strokes
  • Yorkville Exotic Car Show
  • FIFA Fan Festival Toronto

What's affected

HWY 427 (Southbound) between FINCH AVENUE and BROWNS LINE is impacted by construction work. Expect impact to 1 Alternating 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