First published Oct 14, 2026, 3:13:15 PM UTC · Last updated Oct 14, 2026, 3:13:15 PM UTC

accidentsAndIncidents on HWY 403 MISSISSAUGA (Westbound)

A disabled vehicle was reported on the westbound highway in Mississauga near Mavis Road, with all lanes closed. The incident's severity was listed as unknown.

At a glance

Affected location: Mississauga

Illustrative image: Looking east along Highway 401 in Mississauga from Second Line pedestrian bridge toward Mavis Road. — Ian Muttoo from Mississauga, Canada/Wikimedia Commons, CC BY-SA 2.0

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Why it matters

The reported full closure affects all lanes, while the incident's severity is unknown.

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 403 MISSISSAUGA (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

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Related developments reported in the last 30 days. These are not necessarily ongoing incidents.

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roadwork on HWY 403 MISSISSAUGA (Westbound)Oct 20, 2026, 3:00 AM UTC
The source reports nightly maintenance with all lanes closed on a westbound off-ramp at Winston Churchill Boulevard in Mississauga. It identifies the reporting organization as MTO and provides coordinates.
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