Kwinana Freeway northbound is closed after a body was found early Thursday morning.
It is believed the body was hit by a car near the freeway flyover at Canning Highway around 5.30am.
The exact circumstances leading up to the crash is not yet known, but the man has since died as a result of his injuries.
The Kwinana Freeway northbound lanes are currently closed between Leach Highway and Canning Highway.
It is advised that motorists avoid the area and seek alternate routes.
Baldivis man fined for throwing ex-wife's elderly dog
Concerns for missing woman last seen in Baldivis
Peel Cavaliers break nine-year drought to win Country Championships
City tees up new vision for Kwinana Golf Course
Warnbro man charged with more child abuse, animal cruelty offences
Teen threatened, robbed by offenders on e-scooter in Mandurah
Labor candidate for Secret Harbour Georgia Tree vows to fight for locals
Safety Bay man arrested after Perth police pursuit comes to crashing end
Port Kennedy before and after school care provider fined $33k after 'distressed' boy left alone in room