A 51-year-old man has died after crashing into a tree near the Williams townsite, south-east of Mandurah.
The man was driving a dark coloured Holden sedan west on Collie-Williams Road towards Collie when it is believed he lost control and collided with the tree.
He died at the scene.
The man was the only occupant in the car.
Major Crash investigators are conducting an examination of the scene and are appealing for witnesses to call Crime Stoppers on 1800 333 000 or report the information online at www.crimestopperswa.com.au.
Dash-cam or mobile phone vision relating to this crash can be uploaded directly to investigators via this link: