● THU, MAY 14 · TODAY · PLAN AHEAD ●
416TRAFFIC
ConstructionWed, May 20, 2026 – Sat, May 23, 2026HWY 427 (Northbound)

Nightly Maintenance on HWY 427 Northbound Collector between RATHBURN ROAD, Toronto and HWY 401, .

Construction · Wed, May 20, 2026 – Sat, May 23, 2026
★ IMPACT 4/5 · ★ SOURCE-BACKED CLOSURE RECORD

Quick facts

Location
At RATHBURN ROAD
Start date
Wed, May 20, 2026 · 11:00 PM
End date
Sat, May 23, 2026 · 5:00 AM
Lanes affected
3 Right Lane(s)
Severity
Heavy
Source
Ontario 511Event ID 244695

What's affected

HWY 427 (Northbound) at RATHBURN ROAD is impacted by construction work. Expect impact to 3 Right Lane(s).

Suggested detour: Highway 27 and Kipling Avenue are practical alternates for short trips. Long detours typically route via the 410.

Same-day events

Plan ahead

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