Three east–west state roads cross the county. enters Attica from Warren County and crosses the north end of the county. enters the middle of the county from Perrysville to the west and passes through Fountain County on its way to Crawfordsville to the east. , further to the south, enters from Cayuga to the west and passes east through Kingman. Two north–south state roads run through the county. passes through Attica and shares the route of US Route 41 running goes south. At Rob Roy it turns to run southeast through Newton. starts at State Road 28 in the north and runs south, ending at State Road 234.
Three east–west state roads cross the county enters Attica from Warren County and crosses the north end of the county enters the middle of the county from Perrysville to the west and passes through Fountain County on its way to Crawfordsville to the east  further to the south enters from Cayuga to the west and passes east through Kingman Two north–south state roads run through the county passes through Attica and shares the route of US Route 41 running goes south At Rob Roy it turns to run southeast through Newton starts at State Road 28 in the north and runs south ending at State Road 234