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Daily Maintenance on HWY 401 Westbound between HWY 16 (IC 721B), Johnstown and THOUSAND ISLAND P…

Construction · Sat, Apr 25, 2026

Quick facts

Location
At HWY 16 (IC 721B)
Start date
Sat, Apr 25, 2026
End date
Sat, Apr 25, 2026
Lanes affected
1 Left Lane(s)
Severity
Severe

What's affected

HWY 401 (Westbound) at HWY 16 (IC 721B) is impacted by construction work. Expect impact to 1 Left 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

Plan ahead