A man has died and a woman is seriously injured after a car and a motorcycle collided in Busselton.
The crash happened on Bussell Highway near the intersection of Tuart Drive at about 4.30pm today.
It is understood the woman's car pulled out of the intersection and the 49-year-old motorcyclist crashed into her vehicle.
Department of Fire and Emergency Services freed the woman from her vehicle and St John Ambulance took her to Busselton Hospital.
She was later transferred to Royal Perth Hospital were she is in a critical condition.
Anyone with information on the crash can call Crime Stoppers on 1800 333 000.