First published 10/6/2026, 3:00:15 PM · Last updated 10/6/2026, 3:00:15 PM

roadwork on HWY 400 (Northbound)

Nightly construction affects three alternating northbound lanes on HWY 400 in Vaughan, with several ramps closed. The source identifies MTO as the reporting organization.

Illustrative image: King's Highway 417, commonly referred to as Highway 417 and the Queensway through Ottawa, is a 400-series highway in the Canadian province of Ontario. It connects Montreal (via A40) with Ottawa, and is the backbone of the transportation system in the National Capital Region. Within Ottawa, it forms part of the Queensway west from Highway 7 to Ottawa Regional Road 174 (the Queensway continues east along the 174 to Trim Road). Highway 417 extends from the Quebec border (near Hawkesbury) to Arnprio — Ken Lund from Reno, Nevada, USA/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: 6/10How 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: 3/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

The lane and ramp closures may affect travel on this stretch of HWY 400.

Location

Sources

roadwork on HWY 400 (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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