A 28-year-old Waroona man has died in a fatal crash in Coolup on Friday night.
WA Police have confirmed Major Crash officers are investigating the incident, which occurred about 9.40pm last night.
A black Holden Commodore wagon was travelling north on South Western Highway, approaching Tallathalla Road, before leaving the carriageway and colliding with a tree.
The 28-year-old driver, a man from Waroona, died at the scene as a result of injuries sustained during the crash.
Three other passengers were injured and received medical treatment.
Major Crash investigators are seeking witnesses who may have seen the black Holden Commodore prior to the crash or may have been travelling along South Western Highway between Pinjarra and Waroona at the time and may have dash cam footage.
Call Crime Stoppers on 1800 333 000 or make a report online at crimestopperswa.com.au
