article: Interstate 39
links: Winnebago County, Illinois Marquette County, Wisconsin Waushara County, Wisconsin LaSalle County, Illinois LaSalle, Illinois Marathon County, Wisconsin Rochelle, Illinois Ogle County, Illinois Lee County, Illinois Dane County, Wisconsin Normal, Illinois Madison, Wisconsin Interstate Highway Illinois Rockford, Illinois Woodford County, Illinois United States Portage County, Wisconsin Marshall County, Illinois Portage, Wisconsin Federal Highway Administration Columbia County, Wisconsin Rock County, Wisconsin Wisconsin McLean County, Illinois Beloit, Wisconsin