A new line, the Black Hawk to Dubuque, Iowa via Rockford, Freeport and Galena, based on a former service to Dubuque that ran from 1974 to 1981
Illinois | BBC World Service | National Park Service | Internal Revenue Service | Distinguished Service Order | University of Illinois at Urbana-Champaign | Special Air Service | Peoria, Illinois | United Parcel Service | Meritorious Service Medal (United States) | United States Postal Service | National Health Service | Meritorious Service Medal | Rockford, Illinois | Evanston, Illinois | Springfield, Illinois | Metropolitan Police Service | United States Forest Service | German Academic Exchange Service | Secret Intelligence Service | Northern Illinois University | Immigration and Naturalization Service | Distinguished Service Cross | Cook County, Illinois | National Defense Service Medal | National Service | United States Secret Service | Royal Naval Air Service | National Weather Service | Agricultural Research Service |