One person was taken to hospital by air ambulance after a serious collision involving a car and a transport truck at Perth Road 164.
The collision happened at intersection of Highway 23 and Line 20 in Russeldale, about eight kilometres south west of Mitchell.
A transport truck, which was travelling northbound, collided with a car travelling eastbound that drove into the intersection.
The intersection is controlled by an stop sign east and westbound.
The crash happened around 1 p.m. Thursday afternoon.
The truck driver as well as an adult passenger and child in the car were not hurt.
Injuries have been deemed non-life treatening.
#PerthOPP, Perth EMS, and West Perth Fire on scene of a serious collision involving a TT and passenger vehicle in Rsseldale, at Perth Rd 164 and Line 20 @WestPerthON. 1 person airlifted by Ornge. Roads expected to be closed for a few hours. Please avoid the area.@PerthCounty ^jj pic.twitter.com/Z2zLgcHeLO— OPP West Region (@OPP_WR) July 2, 2020