CH-L12 (Woodbury County)
End IA-31 South at IA-141 and CH-L12
End IA-31 South at IA-141 and CH-L12 in Smithland. Use IA-141 west to Sloan; IA-141 east to Mapleton; and CH-L12 South to Rodney. The signs in the background indicate routes of the Loess Hills National Scenic Byway.