TODAY / OCT 23SEVERE
TORONTO ARGONAUTS VS. MONTREAL ALOUETTES 7:00 PM BMO FIELD★LANGLEY AVE · FULL ROADWAY CLOSURE · BETWEEN BROADVIEW AVE AND HOWLAND RD★ST JOSEPH ST · LANE CLOSURE · BETWEEN BAY ST AND QUEEN'S PARK CRES E★
416TRAFFIC
ConstructionWed, Oct 21, 2026 – Sun, Oct 25, 2026HWY 400 (Southbound)

Nightly Maintenance on HWY 400 Southbound between 407, Vaughan and FINCH AVENUE, Toronto.

Construction · Wed, Oct 21, 2026 – Sun, Oct 25, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD
Highway 400 statusTraffic todayClosures todayThis weekend

★ Quick facts

Location
At 407
Start date
Wed, Oct 21, 2026 · 12:00 AM
End date
Sun, Oct 25, 2026 · 5:00 AM
Lanes affected
1 Alternating Lane(s)
Severity
Heavy
Source
Ontario 511Event ID 320711

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
Severe
Busy window
Likely busiest 7 AM to 8 PM as event traffic overlaps with afternoon rush hour.
Main signal
Toronto Argonauts at BMO Field + Dave Chappelle Karmageddon + TTC Line 2
  • Toronto Argonauts vs. Montreal Alouettes
  • Queen St E
  • Queen St W

What's affected

HWY 400 (Southbound) at 407 is impacted by construction work. The source lists affected lanes as: 1 Alternating Lane(s).

Corridors to compare: Highway 27 and Yonge Street run north–south south of King City; both are surface corridors with signals and local access. Which one wins depends on the day — check a live map before you leave.

Same-day events

Plan ahead

Read next

★ RoadHighway 400 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 →