The crash took place at about 2.45pm when a car travelling toward Gunnedah left the road, flipped and collided with a tree.

Despite the efforts of emergency services, the 55-year-old male driver died at the scene.

The road is not closed but motorists are warned there are delays.

Police from Oxley Local Area Command are investigating the circumstances surrounding the crash.

A report will be prepared for the coroner.