CLOSURE: Highway 401 lanes closed due to crashes, flooding in Ontario

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Published March 11, 2026 at 8:46 am

Last Updated March 11, 2026 at 8:53 am

highway 401 closure bowmanville ontario

Update: Just before 9 a.m., police said Highway 401 had fully reopened approaching Bowmanville Avenue. But delays may remain as the traffic volume clears. 

Original story follows.

A portion of Highway 401 was closed due to crashes and flooding on Wednesday morning.

The eastbound lanes of the highway were fully closed at Holt Road approaching Bowmanville Avenue, east of Oshawa, the Ontario Provincial Police said.

At 8:38 a.m., one left lane was reopened, police said in an update.

The lanes were closed due to “numerous collisions reported and water pooling on the roadway,” the OPP said.

Minor injuries were reported, police said.

Police asked drivers to plan alternate routes.

Lead photo: Ministry of Transportation

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