The incident happened at the crossroads of Green Lane, North Bitchburn in Crook at around 10.50am yesterday.
Two people were seriously injured after a crash in County Durham.
The incident involved a red Ford Fiesta car and a dark blue VW Touran at the crossroads of Green Lane, North Bitchburn in Crook at around 10.50am yesterday.
A 62-year-old female and a 63-year-old male, both from the local area, suffered serious injuries. They were travelling in the VW Touran.
The female was transported to the Royal Victoria Infirmary by air ambulance.
At this time both remain in a serious but stable condition.
The road was closed for a number of hours whilst Collision Investigation officers conducted an investigation of the scene.
Police are appealing for witnesses and anybody with information is requested to contact the Cleveland and Durham Specialist Investigation Unit on the 101 non-emergency number quoting incident reference 136 of July 5.