According to the Ontario Provincial Police, the westbound lanes of Highway 401 have been re-opened at Colonel Talbot in London following an early morning collision.
The accident happened around 5 a.m. Monday morning. According to OPP's Twitter page, two tractor-trailers were blocking both lanes.
The highway re-opened after around three hours. No further details have been provided.
https://twitter.com/OPP_COMM_WR/status/1097439835097313281