12/29/2014 09:44 EST | Updated 02/28/2015 05:59 EST

Highway 400 southbound ramp to westbound Highway 401 closed

The ramp that links the southbound lanes of Highway 400 to Highway 401 westbound is closed as police respond to a transport truck rollover, the OPP reports.

The westbound collectors in the right lane are also blocked in the area.

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