Illinois Route 7 is a northeast–southwest state route in northeastern Illinois. Currently, IL 7 runs from U.S. Route 6 (US 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 28.06 miles (45.16 km).

Orland Park is a village in Cook County, Illinois, United States, with a small portion in Will County. It is a suburb of Chicago. Per the 2020 census, Orland Park had a population of 58,703. Located 25 miles (40 km) southwest of Chicago, Orland Park is close to several interstate highways, with the I-80 east-west coast connector as its southern border. The Metra commuter rail system links it to the Chicago Loop and from there to O'Hare and Midway airports.