Ontario Highway 401 Traffic Updates: Collisions and Oil Spill Cause Major Delays

🔥 Trending Ontario Highway 401 Traffic Updates: Collisions and Oil Spill Cause Major Delays

8/18/2026 · 👁 0 · ontario-401-traffichighway-401-collisionhighway-401-oil-spill401-delaysmississauga-traffickeele-street-traffichwy-401-accident
Question
What is happening on Ontario Highway 401?
AI

There have been significant traffic disruptions on Highway 401 in Ontario due to a recent oil spill and a separate collision 2.

Details of the Incident

Oil Spill

An oil spill occurred on Highway 401, specifically impacting the westbound lanes past Keele Street in North York 34. The spill involved liquid asphalt, an oil-based product, which came from a transport truck. This substance made the road conditions "super sticky" 1.

Traffic Impact and Closures

The incident led to major delays and closures on the highway 12.

  • Westbound Lanes: Ontario Provincial Police (OPP) advised drivers to expect substantial delays on the westbound 401 past Keele Street 3.
  • Eastbound Lanes: There were also closures in the eastbound lanes due to the oil spill and a separate collision 2.
  • Reopening: According to an updated post by the OPP, the affected sections of the highway were reopened in the evening 1.

Emergency Response

Police and emergency services were called to the scene to manage the situation and clear the spill 4.

For the most current traffic updates, drivers are advised to check local news outlets such as CTV News Toronto, CBC, CityNews Toronto, and CP24 2345.

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