Emergency services and towing services have cleared the road following a car rollover on the Roe Highway eastbound before reaching the Tonkin Highway at Kewdale, but heavy traffic remains.

Cars have created tailbacks on the Kenwick Link route as traffic is slowed.

A crash on the Kwinana Freeway northbound past Anketell Road in Mandogalup also caused significant traffic disruptions.

The right lane has been cleared and vehicles are in the left emergency lane while towing crews work to clear the area.

Drivers stuck in traffic on Mortimer Road.