It is alleged a light coloured semi-trailer carrying a mobile crane collided into a black Honda Civic Sedan whilst merging lanes on the Princes Freeway at around 6.10pm on Saturday 1 July.
The Honda was spun in front of the semi-trailer and pushed for several meters until colliding with barriers on both sides of the road.
The driver of the semi-trailer failed to stop and exchange details.
Police are seeking anyone with information or dashcam footage to contact Casey Highway Patrol on 5991 0675, Crime Stoppers on 1800 333 000 or submit a confidential report at crimestoppersvic.com.au.
