Somerville Highway Patrol officers are appealing for public assistance as they investigate the circumstances surrounding a serious collision that occurred in McCrae this afternoon.
It is understood a black LDV T60 dual cab ute and a blue motorbike collided on the Mornington Peninsula Freeway just before 4pm on 26 October.
The rider, a 20-year-old Ringwood man, was taken to hospital with serious but non-life-threatening injuries.
The driver of the ute, a 57-year-old Botanic Ridge man, was not injured and has been interviewed by police.
Officers were told both vehicles got onto the Freeway at Jetty Road, Rosebud along with a white Hyundai sedan prior to the collision.
Investigators are appealing for anyone who may have witnessed the collision or saw the vehicles in the lead up to the incident.
Anyone with dashcam, CCTV footage or any information that could assist police is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report at www.crimestoppersvic.com.au