First published 10/5/2026, 3:42:15 AM · Last updated 10/5/2026, 3:42:15 AM

accidentsAndIncidents on HWY 401 (Westbound)

A collision was reported on the westbound HWY 401 ramp at HWY 6 South in Puslinch, Ontario, with all lanes closed. The source lists the severity as unknown.

Illustrative image: Queueing traffic on Balmore Road Approaching the village of Balmore from the west. — Stephen Sweeney/Wikimedia Commons, CC BY-SA 2.0

Categories: travel-and-transportation

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: 1/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 1/10The 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).
Positivity: 3/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 5/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

The reported full closure affects all lanes at the specified location.

Location

Sources

accidentsAndIncidents on HWY 401 (Westbound)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

Report an issue