Indiana State Route 56 is a east-west highway in Northern Scott County. It runs from the Washington/Scott County Line to the Wshington/Jefferson County Line, via Scottsburg. IN St Rt 56 passes through the following town in Scott County. Scottsburg IN St Rt 56 is multi-plexed in Scott County. Indiana State Route 3, from near Scottsburg to near Blocher. Indiana State Route 203, from near Scottsburg to near Lexington. IN St Rt 56 intersects the following highways in Scott County. Interstate 65, at Scottsburg. U.S. Rt. 31, at Scottsburg. Indiana State Route 203, near Scottsburg. Indiana State Route 3, near Columbus. Indiana State Route 203, near Lexington. Indiana State Route 3, near Blocher.