Forensic Crash Unit investigators are appealing for witnesses of a serious traffic crash involving a motorbike, that occurred in Beaudesert on Saturday night.
Initial investigations indicate around 9:40pm, a yellow Suzuki RM85 motorbike was travelling west on William Street, near Duckett Street, before crashing.
The rider of the motorbike, a 19-year-old Jimboomba man, was transported to the Princess Alexandra Hospital where he remains in a critical condition.
Investigators are appealing for anyone who witnessed the incident or has relevant vision to contact police.