One person has suffered life-threatening injuries following a crash in North Dandalup.
Police say a truck and a car collided on the South Western Highway near Wades Road around 9.05am on Wednesday.
A man, aged in his 60s, has since been airlifted to Royal Perth Hospital.
The South Western Highway is closed between Del Park Road and Morrell Road.
Motorists are advised to avoid the area and to seek alternative routes.
Digital drivers' licences to be introduced in WA
Mandurah FIFO worker wins $250k
2026 ANZAC Day services across the Peel and Rockingham regions
Mother of 11-year-old boy killed in Mandurah scooter crash found safe and well
Peel charity desperately seeks funds to keep doors open
Australind train service set to resume
Thunder premiership player Traye Bennell hangs up the boots
Works underway to protect 200-year-old 'Big Tree' in Greenfields
Wanted man believed to be in Mandurah area