CLOSURE: Lanes closed on QEW due to multi-vehicle crash in Mississauga

Update: All lanes had reopened by 9:39 a.m., the OPP said.

The three-vehicle collision involved a tractor trailer and two passenger vehicles, police said.

There was no word on injuries.

Original story follows.

Lanes were closed on the QEW due to a multi-vehicle crash at the Toronto and Mississauga border on Tuesday morning.

The three westbound left lanes on the highway were blocked at Highway 427, the Ontario Provincial Police said on X at 8:51 a.m.

The extent of injuries was unknown, police said.

There is heavy traffic in the area, and drivers should use caution while passing or plan an alternate route, police added.

TRAFFIC ADVISORY: Two left lanes blocked on QEW Fort Erie bound at #HWY427 in Toronto due to a multi-vehicle collision. Unknown extent of injuries at this time. Heavy traffic in the area, motorists should use caution while passing or plan an alternate route. ^pia#TorontoOPP pic.twitter.com/Pqsiw0gdjd

— OPP GTA Traffic (@OPP_GTATraffic) March 10, 2026

Lead photo: Ministry of Transportation