OPP have reopened the west bound lanes of Hwy 401 between Bloomfield Rd. and Queen's Line.
UPDATE: ROAD CLOSURE: #Hwy401 WB from Bloomfield Rd to Queens Li #Tilbury - WB lanes now OPEN. ^kw
— OPPCommunicationsWR (@OPP_COMM_WR) September 21, 2015
An OPP tweet says it is because of a previous accident involving two transport trucks.
The crash happened approximately 12:27 pm and the all clear came shortly before 2 pm.