Police are currently at the scene of a fatal traffic crash on the Capricorn Highway near Bushley Road approximately 30km west of Gracemere.
Initial information indicates around 10.40am a motorcycle has collided with a truck.
The male motorcyclist died at the scene.
The highway is currently closed in both directions with diversions in place via the Leichhardt Highway, Westwood.
The Forensic Crash Unit is investigating the incident.