Emergency services were called to the collision, in Ollerton Road, shortly after 4am today (Saturday 23 December 2023).
It was reported a pedestrian had been struck by a car.
Paramedics treated the man but he was declared dead shortly after 5am.
The roads was closed while the incident was dealt with. It is expected to remain shut for several hours.
The driver stopped at the scene and was spoken to by police. No arrests have been made.
Sergeant Mark Baker, of Nottinghamshire Police’s Road Policing and Serious Collision Investigation Unit, said: “A man sadly died at the scene following this tragic incident and our thoughts are with his family at this extremely difficult time.”