Scheduled for Nov 3, 2026, 4:00:00 AM UTC

First published Oct 28, 2026, 7:12:15 PM UTC · Last updated Oct 28, 2026, 7:12:15 PM UTC

roadwork on HWY 412 (Northbound)

The source reports nightly maintenance and a full closure of all lanes on the HWY 412 northbound off-ramp at HWY 407 in Whitby, Ontario. The listed reporting organization is MTO.

At a glance

Affected location: Whitby

Illustrative image: Northbound Highway 400 exit to eastbound Highway 401 in Toronto. — Adam Moss from East Amherst, New York, United States/Wikimedia Commons, CC BY-SA 2.0

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Why it matters

The source reports a full closure affecting all lanes of the northbound off-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 412 (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
accidentsAndIncidents on HWY 427 (Northbound)Oct 27, 2026, 3:16 PM UTC
A highway maintenance report describes a full closure of all lanes on the HWY 427 northbound ramp at Campus Road/Fasken Drive in Toronto. The report lists the severity as unknown and was published October 27, 2026.
Nearby · within 200 km
roadwork on HWY 427 (Southbound)Oct 27, 2026, 3:00 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 HWY 400 (Southbound)Oct 27, 2026, 3:00 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 HWY 400 (Northbound)Oct 27, 2026, 3:00 AM UTC
An overnight engineering investigation is reported on the northbound on-ramp in Barrie, with all lanes closed. MTO is listed as the reporting organization.
Nearby · within 200 km
roadwork on HWY 26 (Eastbound)Oct 26, 2026, 11:00 PM UTC
Nightly construction is reported on eastbound HWY 26 between Mosley Street/Simcoe Road 92 and Locke Avenue in Clearview, Ontario. All lanes are closed.
Same topic
TfL disruption — Circle LineOct 28, 2026, 7:15 PM UTC
The Circle Line has severe delays due to an earlier customer incident. Valid tickets are accepted on several listed alternative transport services.

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