Major Collision Investigation Unit detectives are investigating a fatal collision in Thomastown on Tuesday night.
Police were told a bus and motorcyclist collided at the intersection of High Street and Mahoneys Road about 8pm on Tuesday, August 9.
The motorcyclist died at the scene.
The driver of the bus stopped at the scene and is assisting police with their inquiries.
There were no other injuries.
Information to Crime Stoppers on 1800 333 000 or www.crimestoppersvic.com.au