BUSN U.S. Federal Route 10 runs east-west in Southern Clark County. It runs along the a former alignment of U.S. Rt. 10. It follows Jackson County Highway B/5th Street into Neilsville, to Wiscosin State Route 73, and follows it back to U.S. Rt. 10. BUSN U.S. Rt. 10 passes through the following towns in Clark County. Neillsville