One northbound lane of the Pacific Highway was closed following a car crash north of Woolgoolga.
Emergency Services were called to the location just after 12:30am.
Early reports suggest the vehicle swerved to avoid wildlife when if hit a wire safety barrier.
It is understood no one was injured.
Police remained on scene until around 3am, with Traffic Management Centre due to take over at the location.
The lane was later reopened to traffic.
For the latest details visit www.livetraffic.com