A 23-year-old Sydney man died in a single vehicle accident on Braidwood Road at Yerriyong, west of Nowra on Sunday night.
The man, who is yet to be formally identified, was a passenger in a Toyota Hilux utility, which police say rolled a number of times 4km west of Albatross Road.
Emergency services were called to the accident scene, about 500m west of the Nowra and District Motorcycle Club Complex at Yerriyong, just after 8pm
On arrival, police officers found a 23-year-old male passenger had died.
A 23-year-old man driving the Toyota Hilux utility and a 21-year-old male passenger, also both from Sydney, were treated at Shoalhaven District Hospital for minor injuries and were reported to be in a stable condition.
Officers from Shoalhaven Local Area Command established a crime scene and are investigating the circumstances surrounding the crash.
Diversions were put in place around the crash scene, with Braidwood Road closed for a number of hours.
A report is being prepared for the coroner.
Police are urging anyone with information to call Nowra Police on 4421 9699 or Crime Stoppers on 1800 333 000 or use the Crime Stoppers online reporting https://nsw.crimestoppers.com.au/.
Information provided will be treated in the strictest of confidence.