ConstructionWed, Oct 21, 2026 – Sat, Oct 24, 2026HWY 404 (Southbound)

Nightly Maintenance on HWY 404 Southbound between SHEPPARD AVE and 401, Toronto.

Construction · Wed, Oct 21, 2026 – Sat, Oct 24, 2026

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

Highway 404 status Traffic today Closures today This weekend

★ Quick facts

Road: HWY 404 (Southbound)
Location: Between SHEPPARD AVE and 401
Start date: Wed, Oct 21, 2026 · 12:00 AM
End date: Sat, Oct 24, 2026 · 5:00 AM
Lanes affected: 1 Left(with HOV) Lane(s)
Severity: Heavy
Source: Ontario 511Event ID 322224

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 404 (Southbound) between SHEPPARD AVE and 401 is impacted by construction work. The source lists affected lanes as: 1 Left(with HOV) 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 Raptors vs Chicago Bulls
Oct 21 · Scotiabank Arena
Toronto Marlies vs Hamilton Hammers
Oct 21 · Coca-Cola Coliseum
TTC Line 1 (Yonge-University) - UPDATE - York Mills to Eglinton stations - Nightly early closures starting at 11 p.m. - Monday, October 19 to Thursday, October 22, 2026
Oct 21 · Toronto transit
TTC Line 2 - Kipling to Jane stations - Nightly early closures starting at 11:59 p.m. - Monday, October 19 to Friday, October 23, 2026
Oct 21 · Toronto transit
TTC 29 dufferin - Temporary route change due to road closures for the TFC Matches
Oct 21 · Toronto transit
Toronto Maple Leafs vs New York Rangers
Oct 22 · Scotiabank Arena
TTC Line 1 (Yonge-University) - UPDATE - York Mills to Eglinton stations - Nightly early closures starting at 11 p.m. - Monday, October 19 to Thursday, October 22, 2026
Oct 22 · Toronto transit
TTC Line 2 - Kipling to Jane stations - Nightly early closures starting at 11:59 p.m. - Monday, October 19 to Friday, October 23, 2026
Oct 22 · Toronto transit
Toronto Argonauts vs. Montreal Alouettes
Oct 23 · BMO Field
Dave Chappelle Karmageddon
Oct 23 · Scotiabank Arena