Emergency personnel responded late Thursday to a one-vehicle accident in Caernarvon Township in eastern Lancaster County.
Crews were called to the 400 block of Twin County Road at 11:03 p.m. for a report of a car that had struck a tree. The female driver was reported to be unconscious and suffering a head injury, according to radio dispatches.
Officials arriving at the scene confirmed a vehicle off the road and in a wooded area.
The driver was freed from the vehicle and taken to Reading Hospital as a trauma patient. No other information was immediately available.