Emergency services were called to the scene of a fatal single-vehicle crash near Mudgee.

About 8.30am, Monday, 15 July, emergency services were called to the Bylong Valley Way, about 8 kilometres west of Kandos, after a Holden commodore left the road and hit a tree.

The male driver and sole occupant died at the scene.

Officers from Orana-Mid Western Police District have established a crime scene and are investigating the circumstances surrounding the crash.

A report will be prepared for the Coroner.

Bylong Valley Way is closed between Kandos and Ilford with local traffic diversions in place.

Motorists are advised to plan an alternate route.

Anyone with information about this incident is urged 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 crime via NSW Police social media pages.