The emergency services were called to an overturned car in the early hours of Sunday morning.
The incident happened on the A6108 just outside Leyburn, on the road to Middleham.
It occurred at around 1.30am.
A female was trapped inside and was released from the vehicle, before being handed over into the care of paramedics.
Firefighters from Leyburn, Reeth and Masham attended the incident.
The road was closed while emergency services worked at the scene but has since reopened.