Folded title varies

Title varies: 1925, Map of Ohio showing State routes; 1930-1934, Map of Ohio showing State highway system; 1938, Ohio official highway map; 1939-1950, Ohio highway map; 1953, Official Ohio highway map; 1955, Ohio highway map; 1959-1964, Ohio official highway map; 1965, Travel Ohio for fun; 1967-1969, Official Ohio highway map; 1971-1972, Ohio highway map; 1973-1975, Ohio transportation map

Prepared by Department of Highways, Division of Traffic and Safety 1948-1953; prepared by Department of Highways, Division of Operations, Bureau of Traffic 1960-1969

Published by Department of Highways and Public Works, Division of Highways 1925; published by Department of Highways 1930-1972; published by Department of Transportation 1973-

Some sheets include col. illus., indexes, local route maps, distance chart, table of park facilities, and list of highway patrol post telephone numbers

Distance chart, maps, illus. (part col.), indexes, local route maps, table of state parks, and text on verso of some sheets