State College police responded to a crash near 121 W. Fairmount Avenue.
The incident happened around 11 a.m. when a Honda traveling on Fairmount appeared to have struck a tree and rolled onto its side, facing east. Dispatchers reported an entrapment.
Police suspect a medical emergency caused the crash. The driver was taken to Mount Nittany Medical Center.
Fairmount is closed from Fraser to Allen streets.
Sign Up and Save
Get six months of free digital access to the Centre Daily Times
Alpha Fire Company also responded to the crash.