The two vehicle accident happened at Rubane Road, Kircubbin just after 8 am this morning.
The crash involved a van and a car, say police.
A man, believed to be the van driver, and a female motorist were treated in hospital for injuries that are not thought to be serious.
Police advised motorists to avoid the area while the crash scene examined.
Anyone with who witnessed the crash to is asked to contact the PSNI’s Collision Investigation Unit at Steeple Police Station on the non-emergency 101 telephone number.