TODAY / OCT 17HEAVY
WATERFRONT MARATHON 5K 9:00 AM UNIVERSITY AVENUE / NATHAN PHILLIPS SQUARE★WATERFRONT MARATHON EXPO 10:00 AM BETTER LIVING CENTRE★LANGLEY AVE · FULL ROADWAY CLOSURE · BETWEEN BROADVIEW AVE AND HOWLAND RD★QUEEN ST W · LANE CLOSURE · NEAR YONGE ST★
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
Highway 427 statusTraffic todayClosures todayThis weekend

★ Quick facts

Location
At HWY 409
Start date
Wed, Jul 15, 2026 · 5:00 AM
End date
Mon, Nov 30, 2026 · 5:00 PM
Lanes affected
1 Right Lane(s)
Severity
Heavy
Source
Ontario 511Event ID 275500

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.

Open daily brief
Day status
Heavy
Busy window
Likely busiest 7 AM to 7:30 PM as Waterfront Marathon Expo crowds leave Better Living Centre, Waterfront Marathon 5K traffic heads toward University Avenue / Nathan Phillips Square.
Main signal
Waterfront Marathon 5K + Leafs at Scotiabank Arena + Waterfront Marathon Expo
  • Waterfront Marathon 5K
  • Lake Shore Blvd W
  • Leafs vs New York Islanders

What's affected

HWY 427 (Southbound) at HWY 409 is impacted by construction work. The source lists affected lanes as: 1 Right 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

Read next

★ RoadHighway 427 statusSegment-level closures, long-running restrictions, and upcoming work.read →★ DayTraffic todaySame-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 →