The incident happened on Chillingworks Road between Milvale Road and Henry Lawson Way about 1.30pm.

The driver, a 38-year-old man and sole occupant of the car, was ejected from his vehicle after it left the road and rolled.

Emergency services including Young police, NSW Ambulance paramedics, NSW Fire and Rescue, the Rural Fire Service and Hilltops Council staff attended the scene.

The man was transported to Young Hospital where he later died.

"The gentleman was taken to Young Hospital but, despite the best efforts of doctors and nurses, sadly passed away shortly after," Inspector of Young Police Jacob Reeves said.

"I thank the motorists and members of the public whom stopped to assist and whom called emergency services.

"We pass our sincere sympathies to the family and friends of the gentleman and our thoughts are with them at this tragic time."