The Forensic Crash Unit is investigating a fatal two-vehicle crash in Healy, Mount Isa on Saturday, June 15.
Initial investigations indicate a Toyota Camry and Harley Davidson motorbike were travelling on Duchess Road when they crashed around 11.30pm.
The motorbike rider, a man in his 50s, was pronounced dead at the scene.
The driver of the Camry, a man in his 40s, was uninjured in the crash.
A crime scene has been established and Duchess Road, south of Twenty Third Avenue, has been closed while police investigate.
Anyone who witnessed the crash, or who has any dashcam that could assist investigations, is urged to contact police.
If you have information for police, contact Policelink by providing information using the online suspicious activity form 24hrs per day at www.police.qld.gov.au/reporting.
Report crime information anonymously via Crime Stoppers. Call 1800 333 000 or report online at www.crimestoppersqld.com.au.