A TRUCK and trailer flipped onto its side early this morning at Kunwarara, about 15kms south of Marlborough.
The incident caused disruptions to traffic, partially blocking Bruce Highway this morning.
The accident happened about 12.30am.
Contractors at 8.30am had the truck upright and were waiting for machines to move it off the road.
A spokesman said there were no entrapments.
He said state emergency services assisted police from Marlborough.