Ohio State Route 40 is a major east-west highway in the state of Ohio. It spans approximately 200 miles, connecting the cities of East Liverpool in the east to Richmond in the west. The route serves as an important thoroughfare for local traffic and provides access to various communities along its path. Originally part of the National Road, Ohio State Route 40 has historical significance as one of the first federally funded highways in the United States. Today, it continues to facilitate travel and commerce, linking rural areas with urban centers across the state.