Illinois 141 serves as a connector between southeastern Illinois and the greater Evansville, Indiana area.
Illinois | University of Illinois at Urbana-Champaign | Peoria, Illinois | Rockford, Illinois | Evanston, Illinois | Springfield, Illinois | Northern Illinois University | Cook County, Illinois | U.S. Route 66 | U.S. Route 1 | Illinois Institute of Technology | Joliet, Illinois | U.S. Route 6 | U.S. Route 101 | Route 66 | Rock Island, Illinois | Belleville, Illinois | Aurora, Illinois | U.S. Route 30 | Southern Illinois University | Quincy, Illinois | New Jersey Route 4 | Illinois River | European route E65 | U.S. Route 40 | Governor of Illinois | California State Route 1 | Wheaton, Illinois | Waukegan, Illinois | Naperville, Illinois |