The Pacific Highway is blocked southbound following a truck accident at Bangalow early this morning (Tuesday).
Northbound lanes remains open, and a diversion via the Coast Road is available, but not for B doubles.
Authorities are unsure when southbound lanes will reopen.
The truck, which was carrying mechanical parts and paint thinners, remains on its side and the driver was taken to hospital.
Emergency services and incident response crews are at the scene.
Further information will be made available as it comes to hand.
For more information on the NSW road network visit www.livetraffic.com or call the Traffic Information Line on 132 701.