About 12.30pm emergency services were called to the highway at Middle Brother after reports a utility travelling south left the roadway and hit a safety barrier.

Police say off-duty medical staff stopped and rendered assistance prior to the arrival of NSW Ambulance paramedics, however the driver - a man aged in his 50s - died at the scene.

Officers attached to Mid North Coast Police District attended and established a crime scene.

Police began inquiries into the circumstances surrounding the crash and a report will be prepared for the information of the coroner.

Police urge anyone with information about this incident to contact Crime Stoppers: 1800 333 000 or https://nsw.crimestoppers.com.au. Information is treated in strict confidence. The public is reminded not to report information via NSW Police social media pages.

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