Police are investigating the suspicious death of a woman at Narrabri, who was found unconscious on a road on New Year's Eve.
About 10pm (AEDT) on Monday, police located the 43-year-old woman lying unconscious on Peel Street, Narrabri, in northern NSW. She had severe head injuries.
The woman was treated at Narrabri Hospital before being airlifted to Sydney in a critical condition, where she died late on Wednesday.
The death is considered suspicious and has been referred to the coroner.
Police investigations continue.