An 82-year-old woman was taken to hospital where she remains in a serious condition following a crash near Malton.
North Yorkshire Police is appealing for witnesses and information about a serious collision that occurred on the B1248 road near North Grimston, Malton, at around 5.30pm on Saturday July 28.
It involved a black Vauxhall Astra driven by a 29-year-old man who was heading towards Hull, and a blue Honda Jazz driven by a 60-year-old woman who was heading in the direction of Malton.
One of the occupants of the Honda Jazz, an 82-year-old woman, was taken to York District Hospital by ambulance where she remains in a serious but stable condition.
A spokesman for the police force said: "We are appealing for witnesses to the collision or anyone who recalls seeing the vehicles prior to the collision, to get in touch as soon as possible to assist the investigation.
"In particular, we would like to speak to the occupants of two vehicles travelling in front of the Vauxhall Astra prior to the collision and also heading in the direction of Hull."
The stretch of road was closed for two hours while officers investigated the scene and to allow the safe recovery of the vehicles.
Local diversions were put in place by North Yorkshire Police.
Anyone with information should contact North Yorkshire Police on 101, select option 2, and ask for Leanne Anderson. You can also email Leanne.Anderson@northyorkshire.pnn.police.uk
Quote the North Yorkshire Police reference number 12180138450.