Commuters in Sydney’s west are facing traffic chaos after a truck reportedly flipped on a busy arterial motorway.
Live Traffic NSW reported the truck and car crash on the busy M4 motorway near Greystanes at about 6.30am on Thursday.
The truck is understood to have flipped onto its roof, with emergency services on their way to the scene.

The road was open by shortly after 8am, though traffic is impacted in both directions and a reduced speed limit of 80km/h is in place.
Motorists were advised to still expect delays.