Illinois Route 7
Illinois Route 7 is a northeast–southwest state route in northeastern Illinois. Currently, IL 7 runs from U.S. Route 6 at Rockdale north through Joliet, and Crest Hill into Lockport, and then east to Orland Park before terminating at IL 43 in Worth. IL 7 runs for about.
Route description
IL 7 follows large portions of the Southwest Highway, one of the original routes from Chicago to Joliet.IL 7 runs along many major streets and overlaps several other routes. It joins with IL 53 in Crest Hill, US 30 in Crest Hill and with US 6 at 159th Street between Lockport and Orland Park. Between Rockdale and Worth, IL 7 runs via old US 66, 159th Street, 143rd Street, Wolf Road, Southwest Highway, and Larkin Avenue, among many others.