ConstructionSat, Oct 24, 2026 – Sat, Nov 7, 2026HWY 404 (Northbound)

Nightly Maintenance on HWY 404 Northbound between STEELES AVE, Toronto-Markham and 407, Markham.

Construction · Sat, Oct 24, 2026 – Sat, Nov 7, 2026

★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD

Highway 404 status Traffic today Closures today This weekend

★ Quick facts

Road: HWY 404 (Northbound)
Location: At STEELES AVE
Start date: Sat, Oct 24, 2026 · 8:00 PM
End date: Sat, Nov 7, 2026 · 5:00 AM
Lanes affected: 1 Alternating Lane(s)
Severity: Heavy
Source: Ontario 511Event ID 322282

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 8 PM as event traffic overlaps.
Main signal: Marlies at Coca-Cola Coliseum + Jonas Brothers: The Burning Up Tour All Over Again + TTC Line 2

Queen St W
Lake Shore Blvd W
Marlies vs Rockford

What's affected

HWY 404 (Northbound) at STEELES AVE is impacted by construction work. The source lists affected lanes as: 1 Alternating Lane(s).

Corridors to compare: Woodbine Avenue and Leslie Street run north–south through Markham and Richmond Hill as signalized surface corridors with local access. Which one wins depends on the day — check a live map before you leave.

Same-day events

Toronto Marlies vs Rockford IceHogs
Oct 24 · Coca-Cola Coliseum
Jonas Brothers: The Burning Up Tour All Over Again
Oct 24 · Scotiabank Arena
TTC Line 2 - Kipling to Jane stations closure
Oct 24 · Toronto transit
Lakeshore West Construction
Oct 24 · Toronto transit
Toronto Marlies vs Rockford IceHogs
Oct 25 · Coca-Cola Coliseum
JOHN SUMMIT - CTRL ESCAPE ARENA TOUR
Oct 25 · Scotiabank Arena
TTC Line 2 - Kipling to Jane stations closure
Oct 25 · Toronto transit
TTC Line 2 - Kipling to Keele stations closure
Oct 25 · Toronto transit
Lakeshore West Construction
Oct 25 · Toronto transit
AFC Toronto vs. Halifax Tides FC
Oct 26 · BMO Field