Police are currently at the scene of a serious two vehicle traffic crash on the Burnett Highway about 10km south of Gayndah.
Initial information suggests that around 2.25pm a man driving a car has been critically injured after his vehicle collided with a truck.
The highway is currently closed in both directions.
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.