Police and emergency services are currently on the scene of a fatal crash in Koo Wee Rup.
Investigators believe the vehicle was travelling along Sybella Avenue when the driver lost control and crashed into a pole about 12am this morning.
The vehicle then rolled as a result of the impact with the pole.
The driver and sole occupant of the vehicle, who is yet to be formally identified, died at the scene.
The exact circumstances surrounding the crash are yet to be established and the investigation is ongoing.
Sybella Avenue is closed between Rossiter Road and the South Gippsland Highway until further notice.
Anyone with information or who may have witnessed the incident is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au