Fire crews have cleaned up hundreds of litres of diesel fuel after a truck crash at Whittingham near Singleton.
A semi-trailer was heading south along the new England Highway at about 2.00am on Wednesday when the driver lost control and collided with the centre wire barrier.
The force of the impact ruptured the fuel tanks on the truck.
Traffic on the New England Highway is now back to normal.
The driver wasn't injured in the incident.
