SR 348 was commissioned in 1935, routed on its current route, with the eastern terminus at its intersection with SR 73 in Otway. In 1939 the route was extended east to U.S. Route 23, near Lucasville.
SR 348 was established in 1935, traveling on its current route, with its eastern terminus at its intersection with SR 73 in Otway. In 1939 the route was extended east to U.S. Route 23 near Lucasville.