ConstructionSun, May 10, 2026 – Fri, May 15, 2026HWY 400 (Southbound)
Nightly Construction on HWY 400 Southbound Express between BASS PRO MILLS DRIVE and HIGHWAY 7, Va…
Construction · Sun, May 10, 2026 – Fri, May 15, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD
★ Quick facts
- Location
- Between BASS PRO MILLS DRIVE and HIGHWAY 7
- Start date
- Sun, May 10, 2026 · 9:00 PM
- End date
- Fri, May 15, 2026 · 5:00 AM
- Lanes affected
- 3 Alternating Lane(s)
- Severity
- Heavy
- Source
- Ontario 511Event ID 240730
What's affected
HWY 400 (Southbound) between BASS PRO MILLS DRIVE and HIGHWAY 7 is impacted by construction work. Expect impact to 3 Alternating Lane(s).
Suggested detour: Highway 27 and Yonge Street are the practical alternates south of King City; both are heavily congested in peak.
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