The Zanesville Highway Patrol is investigating a fatal accident. It happened Monday on state route 146 and involved two vehicles. Investigators say the crash occurred in front of the Duke and Dutchess gas station on state route 146. Troopers say 22-year-old Justine Hershberger of Nashport was killed in the accident. The other driver, 25-year-old Paul Kellet of Zanesville was not injured. The highway patrol says the accident remains under investigation.