An 18-year-old woman has died following a crash at Killarney Gap Road, about 30 kilometres from Narrabri.
Officers were called to the scene and found a silver Mitsubishi Triton utility had rolled a couple of times.
The driver and the sole occupant died at the scene.
Killarney Gap Road between the Newell Highway and Forest Way Road at Bingara is currently closed and diversions are in place, drivers are advised to avoid the area.
