Four people were injured in a single vehicle accident on county road 550 Friday evening. The Chillicothe Post of the Ohio State Highway Patrol reports that 26 year old Megan Fisher of Chillicothe, was traveling eastbound when her pickup truck traveled off the left side of the roadway and struck a mailbox, ditch, utility pole, and tree. Fisher and two of her passengers, 24 year old Bradley Payne of Chillicothe, and 22 year old Hannah Havens of Frankfort were taken by squad to Adena Regional Medical Center. a third passenger, 27 year old Jeremy Dennis was transported by MedFlight to Ohio State University Wexner Medical Center.