A crash on Armadale Road eastbound closed lanes on both sides of the road, causing traffic chaos on Sunday afternoon.
The crash was located near Seventh Avenue in Armadale and was reported by Main Roads at 3.56pm.
The right lanes of the road was closed in both directions, causing slow traffic leading up to the site.
Police were on the scene.
Main Roads urged motorists to exercise “extreme” caution if driving in the area.
The crash has since been cleared.
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