TODAY / SEP 23HEAVY
416TRAFFIC
ConstructionThu, Jul 16, 2026 – Fri, Oct 9, 2026HWY 401 (Westbound)

Continuous Construction on HWY 401 Westbound Collector Off-ramp at MARKHAM ROAD, Toronto.

Construction · Thu, Jul 16, 2026 – Fri, Oct 9, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD

Quick facts

Location
At MARKHAM ROAD
Start date
Thu, Jul 16, 2026 · 10:00 PM
End date
Fri, Oct 9, 2026 · 5:00 AM
Lanes affected
1 Right Lane(s)
Severity
Heavy
Source
Ontario 511Event ID 275781

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
Heavy
Busy window
Arrival pressure likely builds 6:30 PM to 8:30 PM.
Main signal
Leafs at Scotiabank Arena + Tove Lo + TTC Line 1 (Yonge-University)
  • Leafs vs Ottawa Senators
  • Tove Lo
  • TTC Line 1 (Yonge-University)

What's affected

HWY 401 (Westbound) at MARKHAM ROAD is impacted by construction work. The source lists affected lanes as: 1 Right Lane(s).

Corridors to compare: Highway 7 runs east–west north of the 401, while the 407 ETR is a tolled east–west highway. Avenue Road, Yonge Street, and Eglinton Avenue are signalized local corridors. Which one wins depends on the day — check a live map before you leave.

Same-day events

Plan ahead

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