By Cam Lucadou-Wells
A man is in a serious condition after a crash between a motorcycle and a car on the Monash Freeway, Narre Warren, shortly after 3pm on 10 May.
An Ambulance Victoria spokeswoman said an air ambulance has been called for the man, who has suffered a head injury.
A VicRoads alert states there are traffic delays in both directions at Princes Highway, Berwick, as a result of the crash.
Right-turning lanes are closed in both directions from the Princes Highway onto the freeway.
Motorists have been advised to avoid the area, with traffic being detoured along Clyde Road.