THE New England Highway is closed in both directions, about four kilometres south of Willow Tree, due to a car crash.
Motorists are advised to delay their trip and avoid the area as there is currently no suitable diversion.
Those already in the area should allow plenty of extra time.
A medical helicopter has landed on the road.
Paramedics are treating a 20-year-old woman for lower limb fractures to both her legs and have confirmed she is in a stable condition.
She remains trapped in the vehicle.
Emergency services are on site, with traffic crews heading to the scene, too.
For the latest traffic information, visit www.livetraffic.com