The state Highway Patrol suspects possible drug use or a meone-vehicle accident with injuries over the weekend.
Lisa C. Elmer, 44, of Marion, sustained minor injuries due to the one-vehicle accident, according to the report by Sgt. Jason Demuth. A Mobile LifeFlight helicopter transported her to Firelands Regional Medical Center in Sandusky. A hospital spokeswoman said Elmer was treated and later released.
Elmer, who was wearing her seat belt, was southwest on Ohio 4 when she went off the left side, hit a mailbox and went into a ditch, Demuth said. The Sherman Township crash happened at 5:27 a.m. Saturday.
Whites Automotive Services towed the 2004 Chrysler PT Cruiser from the scene with functional damage.
The lab results of a blood test are pending.
No citations have been issued in the ongoing investigation.