U.S. Federal Route 75 is a north-south highway in Central Lyon County. This runs along the Rock River. U.S. Rt. 75 passes through the following town in Lyon County. Rock Rapids U.S. Rt. 75 is multi-plexed in Lyon County. Iowa State Route 9, near Rock Rapids.
U.S. Rt. 75 intersects the following highways in Lyon County. Iowa State Route 9, at Rock Rapids.