UPDATE: DRIVERS now need to take a 750km detour to reach Charleville.
Saturday's truck explosion has destroyed a section of the Mitchell Hwy.
The Courier Mail has reported that the Department of Transport and Main Roads confirmed workers were this morning granted access to begin work on repairing the road.
The truckie that was transporting ammonium nitrate rolled down an embankment about 30km south of Charleville, he received burns to about 30% of his body when the truck exploded and remains in a critical condition in the Royal Brisbane and Women's Hospital.
Authorities are saying diesel mixed with the load caused the explosion that injured eight people.
Truckies heading from the south will now likely have to detour at Cunnamulla, head east through St George, north through Roma and back west to Charleville.
The Courier Mail reported that the journey will be increased from 200km Cunnamulla to Charleville to about 757km and the Transport Workers Union Queensland branch has raised safety concerns about the extra distance.
They also reported that a combination of ammonia nitrate and diesel is the same explosive combination that was used in the terrorist attack on an Oklahoma building in 1995, killing 168 people.
EARLIER: POLICE have released images of a truck explosion near Wyandra on the Mitchell Hwy that occured yesterday.
They say initial information suggests last night around 9.50pm a truck roll-over occurred near a bridge on the stretch of roadway between Cunnamulla and Charleville.
It is believed the truck was transporting volatile chemicals and subsequently exploded resulting in extensive damage to the surrounding area.
The male truck driver sustained serious but non-life threatening injuries and was air-lifted to Brisbane for treatment.
Two male witnesses who stopped to assist the truck driver received minor injuries.
One male police officer and four male emergency services workers also sustained minor injuries
They were taken to the Charleville Hospital for treatment.
Police investigations are continuing.
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