Monday morning commuters are facing bumper-to-bumper traffic after a slew of crashes on major Perth roads.
Police and ambulances were called to Kwinana Freeway southbound near Roe Highway shortly after 6am after a rubbish truck was involved in a crash.
The freeway has been reduced to a single lane as emergency crews work to clear the carnage.
No injuries have been reported yet.
Main Roads warn of heavy traffic and significant delays in the area.
The freeway collision was just one of several incidents causing traffic chaos on Monday.
A crash on Great Eastern Highway heading west in Darlington has shut down the left lane.
Police are on the scene and drivers are warned of heavy traffic.
A lane has also been blocked on Mitchell Freeway heading north just after Ocean Reef Road in Heathridge.
The major thoroughfare has also been reduced to one lane, with motorists urged to drive carefully in the area.
An ambulance is at the scene. Injuries are unknown at this stage.
Another crash has caused traffic delays in Warwick where multiple lanes have been blocked.
The crash between two cars unfolded on Warwick Road heading west on the Mitchell Freeway overpass at about 7.30am.
Traffic is slow in the area and motorists are urged to drive with caution.
Traffic on Leach Highway heading west at North Lake Road in Winthrop has been disrupted by a crash too.
The left lane is blocked and traffic is backed up on approach.
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