The woman who died after the car she was driving left the road in Dromara has been named as Michelle Healy.
The crash occurred at Dree Hill around 1:10pm this afternoon (Sunday).
Ms Healy, who was in her forties and from the area, died when the red Mitsubishi vehicle she was driving left the road.
Inspector Robinson is appealing for witnesses.
He said: “I am appealing to anyone who witnessed the collision or who may have captured dashcam footage to please get in touch with the Collision Investigation Unit by calling 101, quoting reference 656 14/04/19.”