MAJOR Crash Investigators are seeking information from the public to assist with their investigation into a serious crash in Boyanup this morning which resulted in a 31-year-old man being seriously injured.
At about 6.45am, a silver Ford Falcon sedan travelling south along the South West Highway attempted to turn right at the intersection of Trigwell Road.
As the Ford crossed the northbound lane of the South West Highway it collided with a Harley Davidson motorcycle.
The 31-year-old male rider of the Harley Davidson was taken to hospital with life threatening injuries.
The male driver of the Ford Falcon is assisting police with their inquiries.
Police would like to speak to anyone who saw the crash or either vehicle prior to the crash.
Anyone with information are asked to call Crime Stoppers on 1800 333 000.