Iowa State Route 188 runs mortly north-south in the northeast corner of Butler County. This runs near the Heery Woods. IA St Rt 188 passes through the following town in Butler County. Clarksville IA St Rt 188 is not multi-plexed in Bulter County. IA St Rt 188 intersects the following highway in Butler County. Iowa State Route 3, near Clarksville.
