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Nightly Construction on HWY 400 Northbound Collector between DUNLOP STREET / SIMCOE ROAD 90 and H…

Construction · Sun, Apr 26, 2026

Quick facts

Location
Between DUNLOP STREET / SIMCOE ROAD 90 and HWY 26/ BAYFIELD STREET
Start date
Sun, Apr 26, 2026
End date
Sun, Apr 26, 2026
Lanes affected
2 Alternating Lane(s)
Severity
Extreme

What's affected

HWY 400 (Northbound) between DUNLOP STREET / SIMCOE ROAD 90 and HWY 26/ BAYFIELD STREET is impacted by construction work. Expect impact to 2 Alternating 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

Plan ahead