Police are appealing for witnesses following yesterday's crash on the A40 in Headington.
The collision occurred between Marsh Lane and the Cutteslowe roundabout shortly before 3.30pm.
A red Peugeot 106 left the road and collided with trees in the central reservation.
The sole occupant of the vehicle, a 19-year-old woman from Buckinghamshire, was cut free from the car by the fire service and taken to Oxford's John Radcliffe Hospital.
She suffered serious injuries but not life-threatening injuries.
The road was closed for three hours to allow collision investigators to examine the scene and recover the vehicle.
Anyone with any information is asked to contact Pc Martin Mann on 08458 505505.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules hereComments are closed on this article