State Route 161 (SR 161) is an east–west state highway in central Ohio. Its western terminus is in Mutual at State Route 29 and its eastern terminus is near Alexandria at State Route 37. It is 57.46 miles (92.47 km) long. State Route 161 passes through Columbus, the capital of Ohio, and a variety of towns including Plain City, Dublin, and New Albany. The route was established in 1924 to connect Plain City and Dublin. It was later expanded to cover Mutual and Granville. Parts of SR 161 in Dublin and New Albany were upgraded to a freeway in 1969 and 1997. From Wikipedia
