UPDATE:
Southbound traffic is now getting past the crash scene thanks to a contra-flow arrangement, with motorists taking it in turns to share a northbound lane.
EARLIER:
A semi-trailer carrying a load of bricks has overturned on the Pacific Highway at Coolongolook, blocking all southbound lanes.
The crash happened at about 5.00am on Tuesday near Melaleuca Drive - 1 of 2 northbound lanes of the highway is also closed.
The truck driver wasn't injured in the crash.
There are significant delays for southbound traffic as there is no diversion available at the moment and motorists are urged to avoid the area.
