Police are investigating a fatal crash which occurred in Cranbourne over the weekend.
Emergency services were called to Sladen Street following a report of a single vehicle crash just after 3am on Sunday 10 October.
The exact circumstances surrounding the collision are yet to be determined but investigators believe a Ford Focus sedan was travelling east on Sladen Street before the driver lost control, causing the car to leave the roadway and crashing into a tree and a timber fence.
A passenger, a 34-year-old Lyndhurst man was ejected on impact. He has been conveyed to hospital with serious injuries.
The driver, a 23-year-old Hampton Park, died on the way to hospital.
A witness reported that all emergency services arrived on scene in good time.
Investigators are appealing for anyone who witnessed the collision or has dash cam footage to come forward.
Anyone with information that could assist police is urged to contact Crime Stoppers on 1800 333 000 or submit a report online at www.crimestoppersvic.com.au.