ConstructionThu, May 21, 2026 – Sat, May 30, 2026HWY 404 (Northbound)
Nightly Maintenance on HWY 404 Northbound between YORK MILLS ROAD, Toronto and WOODBINE AVE, Gwi…
Construction · Thu, May 21, 2026 – Sat, May 30, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD
★ Quick facts
- Location
- At YORK MILLS ROAD
- Start date
- Thu, May 21, 2026 · 10:00 PM
- End date
- Sat, May 30, 2026 · 6:00 AM
- Lanes affected
- 1 Alternating Lane(s)
- Severity
- Heavy
- Source
- Ontario 511Event ID 247131
What's affected
HWY 404 (Northbound) at YORK MILLS ROAD is impacted by construction work. Expect impact to 1 Alternating Lane(s).
Suggested detour: Woodbine Avenue and Leslie Street are the practical alternates, but both can be slow through Markham and Richmond Hill.
Same-day events
- RBC Amphitheatre Opening Night: Imagine Dragons
May 21 · RBC Amphitheatre
- Brennan Lee Mulligan's ENDLESS DUNGEON
May 21 · Coca-Cola Coliseum
- Toronto Blue Jays vs Pittsburgh Pirates
May 22 · Rogers Centre
- Toronto Marlies v Cleveland Monsters- AHL Playoffs Round 3 Home Game 2
May 22 · Coca-Cola Coliseum
- Bruno Mars - The Romantic Tour
May 23 · Rogers Stadium
- Toronto Blue Jays vs Pittsburgh Pirates
May 23 · Rogers Centre
- Doors Open Toronto
May 23 · Citywide
Plan ahead
- More on Highway 404
- Toronto traffic on Thu, May 21, 2026
- Toronto traffic on Fri, May 22, 2026
- Toronto traffic on Sat, May 23, 2026
- Toronto traffic on Sun, May 24, 2026
- Toronto traffic on Mon, May 25, 2026
- Toronto traffic on Tue, May 26, 2026
- Toronto traffic on Wed, May 27, 2026
- Toronto traffic on Thu, May 28, 2026
- Toronto traffic on Fri, May 29, 2026
- Toronto traffic on Sat, May 30, 2026