First published 10/4/2026, 11:59:15 PM · Last updated 10/5/2026, 12:38:30 AM

roadwork on HWY 403 MISSISSAUGA (Westbound)

Nighttime maintenance is closing all lanes of a westbound HWY 403 off-ramp at Upper Middle Road in Oakville. The report names MTO as the reporting organization.

Illustrative image: Eastbound on Ontario Highway 403 in Burlington, Ontario, Canada shortly after having passed interchange with Highway 6. Taken shortly after File:2 Ontario Hamilton-Toronto HWY 403.jpg . — Laslovarga/Wikimedia Commons, CC BY-SA 3.0

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: 2/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 4/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 4/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

The reported full ramp closure is relevant to people using this local route.

Location

Sources

roadwork 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

Report an issue