Police are seeking witnesses and dash camera forage following a crash on the Monash Freeway on 19 May, Victoria Police say.
Officers have been told the driver of a small black sedan was seen driving erratically outbound about 7.30pm between the Burnley Tunnel, Burnley and Burke Road, Glen Iris.
The driver collided with concrete barriers on both sides of the freeway before police attended.
No one was seriously injured and Prahran Highway Patrol officers are appealing to anyone in the area at the time of the crash and have dash camera footage of the incident to come forward.
Anyone with information or dash camera footage is urged to contact Prahran Highway Patrol on 9520 5886.