Nightly Maintenance on HWY 401 Westbound between HWY 16 (IC 721B) and HWY 16 (IC 721B), Johnstown.
Construction · Sun, Apr 26, 2026 – Mon, May 4, 2026
Quick facts
- Location
- Between HWY 16 (IC 721B) and HWY 16 (IC 721B)
- Start date
- Sun, Apr 26, 2026 · 8:00 PM
- End date
- Mon, May 4, 2026 · 6:00 AM
- Lanes affected
- 1 Right Lane(s)
- Severity
- Heavy
What's affected
HWY 401 (Westbound) between HWY 16 (IC 721B) and HWY 16 (IC 721B) is impacted by construction work. Expect impact to 1 Right Lane(s).
Suggested detour: Highway 7 to the north and the 407 ETR (toll) are the practical alternates. Avenue Road, Yonge, and Eglinton cannot absorb 401 volume.
Same-day events
- Toronto Blue Jays vs Cleveland Guardians
Apr 26 · Rogers Centre
- Toronto Raptors vs Cleveland Cavaliers
Apr 26 · Scotiabank Arena
- Toronto Blue Jays vs Boston Red Sox
Apr 27 · Rogers Centre
- Toronto Blue Jays vs Boston Red Sox
Apr 28 · Rogers Centre
- Toronto Blue Jays vs Boston Red Sox
Apr 29 · Rogers Centre
- Toronto Tempo vs. Connecticut Sun
Apr 29 · Coca-Cola Coliseum
- Toronto Raptors vs Cleveland Cavaliers
May 1 · Scotiabank Arena
- Stars On Ice 2026
May 2 · Scotiabank Arena
- YUNGBLUD: IDOLS - THE WORLD TOUR
May 2 · Coca-Cola Coliseum
- AFC Toronto vs. Halifax Tides FC
May 3 · BMO Field
Plan ahead
- More on Highway 401
- Toronto traffic on Sun, Apr 26, 2026
- Toronto traffic on Mon, Apr 27, 2026
- Toronto traffic on Tue, Apr 28, 2026
- Toronto traffic on Wed, Apr 29, 2026
- Toronto traffic on Thu, Apr 30, 2026
- Toronto traffic on Fri, May 1, 2026
- Toronto traffic on Sat, May 2, 2026
- Toronto traffic on Sun, May 3, 2026
- Toronto traffic on Mon, May 4, 2026