Scheduled for Nov 7, 2026, 3:00:00 AM UTC

First published Oct 20, 2026, 9:16:15 AM UTC · Last updated Oct 20, 2026, 9:16:15 AM UTC

roadwork on HWY 401 (Westbound)

A continuous engineering investigation is reported on the westbound HWY 401 on-ramp at Yonge Street in Toronto, with all lanes closed. The source data received by Planet Briefing does not include a closure duration.

At a glance

Affected location: Toronto

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Why it matters

The reported full closure affects all lanes at the named on-ramp.

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 roadwork 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

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

Nearby · within 200 km
accidentsAndIncidents on HWY 6 (Southbound)Oct 30, 2026, 10:08 PM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
accidentsAndIncidents on HWY 124 (Both Directions)Oct 30, 2026, 7:40 PM UTC
A collision on HWY 124 at Bell Lake Road in McDougall Township, Ontario, closed all lanes in both directions. Severity was reported as unknown.
Nearby · within 200 km
roadwork on HWY 9 (Westbound)Oct 30, 2026, 12:00 AM UTC
Nightly roadwork has closed all westbound lanes on HWY 9 between Tottenham Road–Simcoe Road 10 and Mount Wolfe Road in Caledon. The source lists the reporting organization as MTO and the severity as unknown.
Nearby · within 200 km
Fog (advisory) - Guelph - Erin - Southern Wellington CountyOct 29, 2026, 12:38 PM UTC
11 sequential or cross-source alerts are grouped here. Expand the group to review every affected area and source report.
Nearby · within 200 km
roadwork on HWY 401 (Eastbound)Oct 29, 2026, 3:30 AM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
roadwork on QEW (Fort Erie Bound)Oct 29, 2026, 3:00 AM UTC
MTO reports a full nightly closure of all lanes on the Fort Erie-bound QEW between Brant Street and Fairview Street/Plains Road in Burlington. Severity is listed as unknown.

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