An 18-year-old man died after crashing into a tree on South Western Highway in Wokalup around 6am this morning.
"An 18 year old male from Australind was driving a Holden Commodore north along the South West Highway, Wokalup when his vehicle hit a tree," a police spokeswoman said.
"He was the sole occupant of the vehicle. He was flown to Royal Perth Hospital but sadly died a short time ago."
A spokesman for the Department of Fire and Emergency Services said the 18-year-old man was taken to Harvey Hospital by road before being transferred to RPH by the emergency rescue helicopter.