UPDATE 1PM: Police and main roads workers are directing both north and south bound traffic on the Bruce Highway near Cherwell.
One lane has reopened on the stretch of highway near Nulla Flat Creek, more than seven hours after a fatal collision between an SUV and a B-double truck.
The 29-year-old female driver of the SUV died at the scene, and the 65-year-old male truck driver was taken to hospital with minor injuries.
Work continues to clear the scene of diesel fuel which spilled from the B-double, leaving the road's surface dangerously slippery.
UPDATE 11.20AM: The Bruce Highway is expected to remain closed for several hours following a traffic crash at Cherwell this morning.
Around 5.50am, a 29-year-old woman died after the SUV she was travelling in collided head on with a truck on the Bruce Highway north of Howard.
The 65-year-old male truck driver was taken to hospital for minor injuries.
Northbound traffic is being diverted at Maryborough via Biggenden to Childers and southbound traffic is being diverted at Childers via Biggenden to Maryborough.
A detour for heavy vehicles is via the Wide Bay Highway, Burnett Highway, Isis Highway and Booyall-Dillarnil Road.
Investigations are continuing.
EARLIER: Police are investigating a fatal traffic crash that occurred this morning at Cherwell, north of Howard.
Initial investigations suggest that at around 5.40am, a car and a truck collided on the Bruce Highway around 15kms north of Howard.
The sole occupant of the car, a 29-year-old woman, was pronounced deceased at the scene.
The driver of the truck has been transported to hospital and being treated for minor injuries.
The Bruce Highway is currently closed in both directions and there are diversions in place via Biggenden.
The Forensic Crash Unit is investigating.
Anyone with information which could assist with this matter should contact Crime Stoppers anonymously via 1800 333 000 or crimestoppers.com.au 24 hours a day.
EARLIER: A woman has been killed after a collision with a B-Double gas tanker on the Bruce Highway near Pig Creek, 10km north of Howard.
Bundaberg Police confirmed traffic was blocked at the Buxton BP but were unable to comment any further on the situation.
Both directions of the highway are closed and traffic is being diverted through Biggenden.
Senior Constable Christopher Helsdon from Maryborough Police Station said the B-Double tanker was heading south on the Bruce Highway.
The woman who has died was travelling north in an SUV.
The crash happened just before 6am.
Snr Const Helsdon said the B-Double gas tanker was empty at the time of the crash.
A Queensland Ambulance Service spokesman said the woman died at the scene and the 65-year-old truck driver was treated for back injuries and transported to Maryborough Hospital.
More to come