First published Oct 13, 2026, 11:27:15 AM UTC · Last updated Oct 13, 2026, 11:27:15 AM UTC

Disabled vehicle closes all northbound lanes of Highway 404 near Markham

A disabled vehicle prompted a full closure of the northbound lanes of Highway 404 near Markham, Ontario. The report was published on October 13, 2026.

At a glance

Affected location: Markham

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Why it matters

The reported closure affects travel on this highway segment.

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: 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 404 (Northbound)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.

Nearby · within 200 km
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.
Nearby · within 200 km
roadwork on HWY 401 (Westbound)Oct 19, 2026, 11:00 PM UTC
MTO reports nightly construction and a full closure of all westbound express lanes on HWY 401 between Brock Road and Brock Road in Pickering. The source lists the severity as unknown.
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Disabled Vehicle Closes Both Directions of Highway 17 at Nipissing Road in Warren, OntarioOct 20, 2026, 1:16 PM UTC
A disabled vehicle is reported, and all lanes in both directions are closed at the named highway location. The notice lists severity as unknown.
Same topic
Bridge Repair on S Shediac River Rd (Both)Oct 20, 2026, 11:30 AM UTC
A bridge repair is reported on Shediac River Road in New Brunswick, with both directions affected. The source reports an impassable route, an alternate-route instruction, reduced visibility in fog, and delays of up to six hours.

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