The Burnett Highway 10kms south of Gayndah remains closed following a fatal crash in which a man has died and two people have been seriously injured.
Initial information suggests all three were travelling in a car when it collided with a truck around 2.25pm.
The highway is expected to remain closed in both directions for at least another hour.
The two other occupants, a female and a juvenile male, have been taken to hospital.
No further information is available at this time.
Forensic Crash Unit is investigating.
Anyone with information which could assist police with their investigations should contact Crime Stoppers anonymously via 1800 333 000 or crimestoppers.com.au 24hrs a day.
Crime Stoppers is a charitable community volunteer organisation working in partnership with the Queensland Police Service.