A 40-year-old man has died after a truck and motorcycle collided at Mount St John in Townsville early Wednesday morning, Queensland Police said.

The crash occurred at about 5:55 a.m. at the intersection of Webb Drive and Toll Street. The Mount Louisa motorcyclist was declared dead at the scene. The 57-year-old truck driver, from Heatley, was not physically injured.

The Forensic Crash Unit is investigating the circumstances of the collision. Police are seeking witnesses and anyone with dashcam footage from the area around the time of the crash. Information can be provided to Policelink under reference number QP2601511547.