Two people have suffered serious injuries in a car crash, Sussex Police said.
The force said: “Police are appealing for witnesses and relevant information after a serious collision on the A24 near Horsham.
“Emergency services were called to the scene near the Hop Oast roundabout at about 10.45pm on Saturday 13 July.
“A single vehicle Audi S1 left the southbound carriageway during the incident.
“The driver, a 20-year-old local man, was taken to the East Surrey Hospital with serious injuries.
“The passenger, a 17-year-old boy, was taken to the Royal Sussex County Hospital, in Brighton, with serious injuries.
“Officers are investigating and want witnesses or anyone with relevant information such as CCTV or dashcam footage of vehicles in the area at the time to come forward.
“Information can be reported to Sussex Police online or by emailing collision.appeal@sussex.police.uk and quote Operation Winston.”