A Coles delivery truck crashed into an SUV in Balcatta on Saturday morning, causing traffic chaos.
The accident happened around 7 a.m. at the corner of Erindale Road and Reid Highway.
The truck and a black SUV are believed to have collided near the intersection, causing the truck to go off the road.
It is unclear if there have been any injuries, but police are investigating.
Reid Highway has been closed westbound.