Pictures: TNV
Richmond Road will be closed in both directions after a fatal crash at Marsden Park on Sunday.
At about 2.45pm, police were called to Richmond Road, Marsden Park, at the intersection of Pius Lane after a motorcyclist lost control and struck a dividing barrier.
The man died at the scene.
Pictures: TNV
Police from Hawkesbury Local Area Command established a crime scene and Richmond Road was closed in both directions for some time.
A report will be prepared for the Coroner.
Any witnesses who have not yet spoken to police are urged to contact Quakers Hill police or Crime Stoppers on 1800 333 000.