The site has now been cleared following an accident near Bullaburra on Tuesday.
All eastbound lanes have now been re-opened and traffic flow is returning to normal.
Traffic is still affected on the Great Western Highway following a multi-vehicle accident on Tuesday morning.
The accident occurred more than two hours ago near Bullaburra.
Eastbound motorists should expect delays and allow extra travel time.
Eastbound traffic remains affected following a multi-vehicle accident on the Great Western Highway.
The accident occurred near Bullaburra at about 11.55am.
More than 80 minutes later, one eastbound lane is still closed to traffic.
Motorists should exercise caution and allow extra travel time.
There are delays on the Great Western Highway following a serious accident on Tuesday.
The accident involved multiple vehicle and occurred near Bullaburra at about 11.55am.
The incident occurred close to the Genevieve Roade turnoff.
Eastbound motorists should expect delays as emergency services crews work to clean up the site.
Motorists are urged to exercise caution in the area and allow extra travel time.