There was a collision involving a ute and truck on the Bruxner Highway at South Gundurimba near Pelican Creek Rd at 6.30am, today, Wednesday, September 6.
The driver of the ute, a man in his 40s, was treated by paramedics for back, head and shoulder injuries.
He was taken to Lismore Base Hospital.
The truck driver, a 45 year old man did not have any injuries. He was subject to a roadside breath test, which returned a negative result.
The Bruxner Highway is now open in both directions.
As inquiries continue, anyone with information or dashcam footage is urged to contact Crime Stoppers on 1800 333 000.
Crash on highway between Casino and Lismore