UPDATE 11AM: POLICE say it's still too early to determine the cause of a fatal truck crash near Marlborough overnight.
The vehicle involved was seized for mechanical inspection and police investigations are continuing.
Acting Inspector Ben Carroll today urged road users to drive to the conditions of the road and obey all road rules.
8.30AM: A 45-YEAR-OLD man has died following a single vehicle traffic crash near Marlborough overnight.
Initial information indicates around 7.30pm a semi trailer was travelling north on the Bruce Highway when, for unknown reasons, the vehicle overturned about 25 kilometres north of Marlborough.
The driver and sole occupant of the vehicle, a 45-year-old Plainland man, was pronounced deceased at the scene.
The Bruce Hwy was closed for several hours while crews worked to clear the scene.
The Capricornia District Forensic Crash Unit is investigating the incident.
YESTERDAY, 9.45PM: THE Bruce Highway is still believed to be closed, a Queensland Police Service media spokesman said.
8.45PM: ONE person is believed to have been killed in the truck accident 24.5km north of Marlborough.
Traffic is blocked in both directions.
The forensic crash unit is heading to the scene.
Police are urging motorists to avoid the area if they can.
8PM: A TIMBER truck is on its roof and blocking the Bruce Hwy after rolling near Marlborough, north of Rockhampton.
The accident happened about 7.40pm and timber is reported to be strewn across the area.
Emergency services are on route.
The condition of the driver was not available.
More to follow.