Indiana State Route 32 runs east-west across the center of Boone County. IN St Rt 32 passes through the following towns in Boone County. Dover Lebanon IN St Rt 32 is not multi-plexed in Boone County. IN St Rt 32 intersects the following highways in Boone County. Indiana State Route 75, at Dover. Interstate 65, at Lebanon. U.S. Rt. 52, at Lebanon. Indiana State Route 39, at Lebanon.