UPDATE 12:15pm: The OPP are reporting that Highway 401 WB has been fully reopened.
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UPDATE 10:20am: The Hwy 401 WB right lane has now reopened to traffic. Emergency crews are still on scene for recovery and clean up.
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Highway 401 westbound is currently blocked between County Road 4 and Palace Road following a collision.
The emergency detour route is rerouting motorists off at CR-4 south to CR-2 west to Palace Rd north and back onto Hwy 401.
This closure is expected to take several hours for the removal of the vehicle.
We will provide further updates as they become available.
Written by Emily Chatwood