First published Oct 11, 2026, 10:46:15 AM UTC · Last updated Oct 11, 2026, 10:46:15 AM UTC

Collision closes all lanes on eastbound HWY 407 ramp at HWY 418 in Clarington

Reported by Ontario 511 Traffic Events

A collision was reported on the eastbound HWY 407 ramp at HWY 418 in Clarington, Ontario, with all lanes closed.

At a glance

Affected location: Clarington

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Why it matters

The reported full closure affects all lanes at the collision site.

Location

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Generated scores

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

Confidence: 6/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 1/10How 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 407 (Eastbound)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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