Emergency services are working to free a man trapped in his vehicle after he collided with a tree near Vasse-Yallingup Siding Road and Quindalup South Road.
The accident occurred around 3.45pm on Tuesday, December 18, 2018.
Three volunteer fire and rescue crews from Busselton and Dunsborough are on the scene along with police and St John Ambulance, a Department of Fire and Emergency Services spokesperson confirmed.
The RAC Rescue Helicopter has been sent to the crash site and is expected to arrive by 5.12pm.
A WA Police spokesperson said the man was not suffering from life threatening injuries.
Please take care on the roads while emergency services clear the scene.