Traffic is at a standstill for almost 10 kilometres on the Kwinana Freeway after a car rollover.
The crash happened in the southbound lanes after the South Terrace exit in Como just before 2pm.
The car rolled onto the left hand side of the freeway, with the left lane closed on approach.
Emergency crews are at the scene.
It’s believed a female driver was behind the wheel at the time, and she sustained only minor injuries in the crash.
The woman will be taken to Sir Charles Gairdner Hospital for treatment.
Traffic is at standstill from Como back through the Perth CBD and back to the Vincent Street exit.