Police are appealing for dashcam footage from motorists after road rage incident at Jimboomba earlier this month.
Three cars crashed at the corner of South Street and the Mount Lindesay Highway on October 13.
Witnesses said two drivers had an altercation after their cars hit, and one then rolled into a third car about 1.30pm.
Sergeant Lawrie Catterson urged motorists with any footage to come forward and help officers piece together what happened.
"If anyone had dashcam or any other footage, that would help," he said.
Drivers are urged to contact Policelink on 131 444 or Crimestoppers on 1800 333 000.
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