Nightly Construction on HWY 401 Eastbound Transfer at HWY 400, Toronto.
★ Quick facts
- Location
- At HWY 400
- Start date
- Sat, Oct 3, 2026 · 11:00 PM
- End date
- Wed, Oct 7, 2026 · 5:00 AM
- Lanes affected
- ALL LANES CLOSED
- Severity
- HeavyFull ramp closure
- Source
- Ontario 511Event ID 312913
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
- Severe
- Busy window
- Likely busiest 5:30 PM to 12 AM as event traffic overlaps.
- Main signal
- Toronto Argonauts at BMO Field + Nuit Blanche Toronto + Foster The People: Good Mourning Sunshine Tour
- Toronto Argonauts vs. BC Lions
- Nuit Blanche Toronto
- Foster The People: Good Mourning Sunshine Tour
What's affected
HWY 401 (Eastbound) at HWY 400 is impacted by a full ramp closure. The source lists affected lanes as: ALL LANES CLOSED.
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
- Toronto Argonauts vs. BC Lions
Oct 3 · BMO Field
- Nuit Blanche Toronto
Oct 3 · Citywide
- Foster The People: Good Mourning Sunshine Tour
Oct 3 · RBC Amphitheatre
- Toronto Maple Leafs vs Ottawa Senators
Oct 3 · Scotiabank Arena
- Toronto Marlies vs Hamilton Hammers
Oct 3 · Coca-Cola Coliseum
- Barrie Construction
Oct 3 · Toronto transit
- Kitchener Construction
Oct 3 · Toronto transit
- Gorillaz - The Mountain Tour
Oct 4 · Scotiabank Arena
- Barrie Construction
Oct 4 · Toronto transit
- Kitchener Construction
Oct 4 · Toronto transit