Southgate Avenue in Crawley was closed following the collision today, January 6, according to Sussex Police.
A spokesman said: “Emergency services were called to the scene at 11.20am.
“One driver has been arrested on suspicion of drink driving and has been taken to hospital as a precaution, but is not believed to have been seriously injured.”
A spokesman for South East Coast Ambulance Service said crews were called to a crash in which a car had overturned.
He added: “They sent one car and two ambulances to the scene.
“Two patients were taken to East Surrey Hospital with minor injuries.”
A spokesperson for West Sussex Fire and Rescue Service said: “We were called to reports of a road traffic collision involving two vehicles.
“One crew from Crawley was mobilised to the scene and provided scene safety.
“Paramedics from SECAmb were also in attendance.”