First published Oct 13, 2026, 2:31:15 AM UTC · Last updated Oct 13, 2026, 2:31:15 AM UTC

accidentsAndIncidents on HWY 427 (Southbound)

A collision closed all lanes on the southbound HWY 427 express ramp at the Gardiner Expressway in Toronto. The source reports severity as unknown.

At a glance

Affected location: Toronto

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Why it matters

The reported full closure affects traffic on the southbound ramp.

Location

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Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 7/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 2/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 3/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 5/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

Ontario 511 Traffic Events accidentsAndIncidents on HWY 427 (Southbound)Contains information licensed under the Open Government Licence – Ontario (https://www.ontario.ca/page/open-government-licence-ontario). Source: Ontario 511. Information is provided “as is”; actual roadway conditions may differ. No endorsement by Ontario 511, MTO, or the Government of Ontario is implied. Usage terms

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