South Yorkshire Police are appealing for witnesses to come forward, following a collision on June 4 that left two people with serious injuries.
The collision occurred at around 8.10am and the cars, a blue Ford Puma and a red Fiat 500, were travelling on the A19 in Toll Bar.
The Puma was travelling towards Toll bar and the Fiat towards Askern when they were involved in a collision.
The 48-year-old woman driving the Fiat and the 54-year-old male passenger sustained serious injuries and were taken to hospital.
Anyone who may have witnessed the incident is asked to call police on 101, or Crimestoppers anonymously on 0800 555111, quoting incident number 161 of June 4.