UPDATE 11AM: Police are at the scene of a second accident involving a caravan form this morning.
A caravan reportedly crashed and rolled onto its side on the west-bound lanes of the Warrego Highway, near the Kholo overpass at Blacksoil, about 11am.
The two occupants of the car towing the van are reportedly shaken but not seriously injured.
Police are conducting traffic control in the area.
Earlier this morning, about 7.15am, a caravan jack knifed and tipped onto its side on the Brisbane Valley Highway at Fernvale - only a few kilometres up the road.
8AM: Police are at the scene of a caravan rollover at Fernvale, north of Ipswich.
The crash was reported on the Brisbane Valley Highway about 7.15am.
Police say the caravan was being towed by a four-wheel-drive when it jack-knifed and tipped onto its side.
There are no reports of injuries.
The south-bound lane of the highway has been closed while the damaged vehicles are cleared off the road.