The Forensic Crash Unit is investigating a fatal traffic crash in Rangeville on Wednesday January 22.
Just before 12pm, a yellow Suzuki motorbike travelling on Long Street has collided with a white Subaru VX.
The motorbike rider, a 44-year-old Newtown man, was pronounced deceased at the scene.
The driver and sole occupant of the vehicle, a 64-year-old East Toowoomba woman, was not physically injured.
Investigations into the circumstances surrounding the crash, including whether speed was a factor, are continuing.
Any witnesses, or anyone with relevant vision of the motorbike prior to the crash is urged to contact police.