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Motorists are now able to pass the scene of an accident involving a truck and tractor on the Pacific Highway near Blackbutts Road in Rainbow Flat.
All southbound lanes are closed, however all motorists are using the northbound carriageway under contra flow conditions.
All diversions have been lifted.
Traffic crews are working to implement a contra flow in the northbound lanes which will allow traffic to pass the incident in both directions.
Meanwhile, diversions are in place for light vehicles.
Southbound motorists are diverting via The Lakes Way and Failford Road, and northbound are diverting via Failford Road and The Lakes Way.
This diversion is not suitable for heavy vehicles which are being parked near the scene.
Traffic in the area is heavy and motorists are advised to allow additional travel time.
The Police Crash Investigation Unit and other emergency services and traffic crews remain at the scene.