TODAY / AUG 30SEVERE
416TRAFFIC
ConstructionWed, Jul 15, 2026 – Mon, Nov 30, 2026HWY 427 (Southbound)

Continuous Construction on HWY 427 Southbound Off-ramp at HWY 409, Toronto.

Construction · Wed, Jul 15, 2026 – Mon, Nov 30, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD

Quick facts

Location
At HWY 409
Start date
Wed, Jul 15, 2026 · 5:00 AM
End date
Mon, Nov 30, 2026 · 11:59 PM
Lanes affected
1 Left Lane(s)
Severity
Heavy
Source
Ontario 511Event ID 275499

Traffic context

Traffic today

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
Sharpest squeeze likely 11 PM to 1 AM as crowds leave; arrivals build more gradually 8:30 AM to 10:30 AM.
Main signal
Jays at Rogers Centre + AFC Toronto at BMO Field + Canadian National Exhibition (CNE / The Ex)
  • Jays vs Mariners
  • AFC Toronto vs. Ottawa Rapid FC
  • Canadian National Exhibition (CNE / The Ex)

What's affected

HWY 427 (Southbound) at HWY 409 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

Plan ahead

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