Ontario Provincial Police (OPP) officers say they’ve closed all westbound lanes of Highway 401 at Courtice Road in Oshawa after a multi-vehicle crash that resulted in a diesel spill.

The crash, involving three vehicles, happened at Harmony Road at around 9:12 a.m.

One driver has been taken to the hospital with minor injuries.

One of the vehicles involved was a commercial truck that had spilled diesel across all lanes.

The highway is closed at Courtice Road for a cleanup and is expected to reopen during the afternoon rush, police say.

Collison / Hwy Closed: – WB at Harmony Rd. – Time: 9:12 a.m. – 3 vehicles involved – One driver transported to hospital with minor injuries. – A CMV (straight truck) spilled diesel across all lanes. – WB is closed at Courtice Rd. for clean up – Expected…

— OPP Highway Safety Division (@OPP_HSD)