Police are appealing for witnesses to a two-car collision on the eastbound A23 at Crawley.
A red Vauxhall Corsa and a silver Vauxhall Astra collided close to the Cheals roundabout at the junction with the A2220 Horsham Road shortly after 5pm on Sunday (August 4).
The Corsa then crashed off the road and hit a road sign. The 59-year-old driver and her 13-year-old female passenger, both from Crawley, suffered suspected whiplash.
The 22-year-old man from Crawley driving the Astra also suffered suspected whiplash.
Three ambulances attended the scene, which took casualties to East Surrey Hospital.
Anyone who saw the collision is asked to call 101 quoting serial 1316 of August 4.