A MAN sustained serious injuries after the car he was driving struck a tree in Kwinana Beach at 11.40am this morning.
Police said the crash was on Rockingham Road, near the Anketell Road intersection.
The driver was taken to Rockingham General Hospital by St John Ambulance with possible life-threatening injuries.
The northbound lane of Rockingham Road is closed from Thomas Road to Anketell Road. Diversions are in place.
Main Roads WA has advised that traffic is heavy and encourage drivers to avoid the area.