First published Oct 13, 2026, 1:51:15 AM UTC · Last updated Oct 13, 2026, 1:51:15 AM UTC

Collision closes southbound HWY 412 at Rossland Road in Whitby

A collision was reported on the southbound highway near Rossland Road in Whitby. The source reports that all lanes are closed.

At a glance

Affected location: Whitby

Illustrative image: King's Highway 404 - Ontario. The lowest bridge carries through traffic on Highway 407. The bridge in the foreground carries traffic from highway 404 northbound (shown here) to highway 407 westbound. The bridge in the background carries traffic from Highway 404 southbound to Highway 407 eastbound. — Doug Kerr from Albany, NY, United States/Wikimedia Commons, CC BY-SA 2.0

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Why it matters

The reported 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 412 (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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