Nightly Engineering Investigation on HWY 400 Southbound between ST VINCENT STREET and SUNNIDALE…
Construction · Fri, Apr 24, 2026 – Wed, May 6, 2026
Quick facts
- Location
- Between ST VINCENT STREET and SUNNIDALE ROAD
- Start date
- Fri, Apr 24, 2026 · 11:00 PM
- End date
- Wed, May 6, 2026 · 5:00 AM
- Lanes affected
- 2 Right Lane(s)
- Severity
- Severe
What's affected
HWY 400 (Southbound) between ST VINCENT STREET and SUNNIDALE ROAD is impacted by construction work. Expect impact to 2 Right Lane(s).
Suggested detour: Highway 27 and Yonge Street are the practical alternates south of King City; both are heavily congested in peak.
Same-day events
- Toronto Blue Jays vs Cleveland Guardians
Apr 24 · Rogers Centre
- Toronto Blue Jays vs Cleveland Guardians
Apr 25 · Rogers Centre
- Toronto FC vs Atlanta United FC
Apr 25 · BMO Field
- TTC Line 2 - Kipling to Jane stations
Apr 25 · Toronto transit
- 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
Plan ahead
- More on Highway 400
- Toronto traffic on Fri, Apr 24, 2026
- Toronto traffic on Sat, Apr 25, 2026
- 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
- Toronto traffic on Tue, May 5, 2026
- Toronto traffic on Wed, May 6, 2026