A driver has been injured in a crash involving a car and a truck on the Kwinana Freeway in Wellard.
Police say a Mitsubishi truck and a Toyota Hilux collided northbound just before Mortimer Road around 6.30am on Monday.
It's understood the female driver of the Hilux was trapped in her vehicle.
A St John Ambulance spokesperson has confirmed the woman in her 50s has been conveyed by ambulance to Royal Perth Hospital with non life-threatening injuries.
Traffic remains congested in the area.