IN 23 is a 50-mile north-south route in north-central Indiana. It connects with US 30, US 6, US 20, and US 31. It passes through the towns of Walkerton and North Liberty and ends at the Michigan state line near South Bend.
IN 23: 01-071-109 SR23 @ SR933
IN 23: 01-071-211 SR23 @ New Energy Dr
