highways travel concurrently to south of Armour. east of Menno south-southwest of Worthing. The highways travel concurrently for approximately . Iowa in Lincoln Township. The highways travel concurrently through the township. in Sanborn. The highways travel concurrently to Franklin Township. in Spencer. The highways travel concurrently through the city. in Algona in Garfield Township. The highways travel concurrently to Garner. in Clear Lake. The highways travel concurrently to Lake Township. in Mason City in Floyd. The highways travel concurrently to Charles City. in New Hampton. The highways travel concurrently to Dresden Township. in Post Township. The highways travel concurrently to Giard Township. Wisconsin in Fennimore. The highways travel concurrently through the city. east of Dodgeville. The highways travel concurrently to Madison. in Madison. US 12/US 18 travel concurrently to Cambridge. US 14/US 18 travel concurrently through Madison. in Madison in Madison northeast of Waukesha in Wauwatosa. A southbound entrance allows access to . Michigan Street/Lincoln Memorial Drive in Milwaukee See also Special routes U.S. Route 18 Bypass in Hot Springs, South Dakota U.S. Route 18 Business in Mason City, Iowa U.S. Route 18 Business in Marquette and McGregor, Iowa Related U.S. Routes U.S. Route 118 (former) U.S. Route 218 runs north and south. The parent and child meet in Charles City, Iowa. References External links Endpoints of U.S. Highway 18 United States Numbered Highway System U.S. Highways in South Dakota U.S. Highways in Wyoming