Illinois Route 7

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Illinois Route 7 marker

Illinois Route 7
Route information
Maintained by IDOT
Length: 28.06 mi[2] (45.16 km)
Existed: 1918[1] – present
Major junctions
South[3] end: US 6 in Rockdale
  I-80 in Joliet
US 52 in Joliet
US 30 in Joliet
I-355 in Lockport
US 6 in Orland Park
US 45 in Orland Park
North end: IL 43 in Worth
Counties: Will, Cook
Highway system
IL 6 IL 8

Illinois Route 7 is a north–south state road in northeastern Illinois. Currently, Illinois 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 Illinois Route 43 in Worth. Illinois 7 runs for about 28.06 miles (45.16 km).[2]

Route description[edit]

Illinois 7 follows large portions of the Southwest Highway, one of the original routes from Chicago to Joliet.

Illinois 7 runs along many major streets and overlaps several other routes. It joins with Illinois Route 53 in Crest Hill, Rt.30 (Plainfield Road in Crest Hill and with U.S. 6 at 159th Street between Lockport and Orland Park. Between Rockdale and Worth, Illinois 7 runs along old U.S. Route 66, 159th Street, 143rd Street, Wolf Road, Southwest Highway, and Larkin Avenue, among many others.


SBI Route 7 originally ran from East Moline to Chicago, mostly on current U.S. 6 and Illinois 7. When U.S. 6 was designated, Illinois 7 was dropped west of what is now Orland Park. In 1967, it was dropped in the city limits of Chicago (terminating in Oak Lawn, and also extended to Illinois Route 53 in Lockport. Two years later, it was extended to Rockdale. In 1970, the eastern end was cut back to its current terminus.[1]

Major intersections[edit]

County Location Mile km Destinations Notes
Will Rockdale US 6
Joliet I-80 – Moline, Rock Island, Gary
US 52 (Jefferson Street)
US 30 / Lincoln Highway (Plainfield Road)
IL 53 south (Broadway Street) – Crest Hill South end of IL 53 overlap
Romeoville IL 53 north (Independence Boulevard) North end of IL 53 overlap
Lockport IL 171 (State Street)
I-355 (Veterans Memorial Tollway)
Cook Orland Park US 6 (Wolf Road, 159th Street)
US 45 (96th Avenue)
Palos Park IL 83 (Calumet Sag Road)
Worth IL 43 (Harlem Avenue)
Southwest Highway Continuation beyond IL 43
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

External links[edit]

Route map: Google / Bing


  1. ^ a b Carlson, Rick. Illinois State Highways Page: Routes 1 thru 20. Last updated March 15, 2006. Retrieved March 24, 2006.
  2. ^ a b Illinois Technology Transfer Center (2007). "T2 GIS Data". Retrieved 2007-11-08. 
  3. ^ Burmaster, Bill. Roads of the Mid-South and West - Illinois State Route 7. Retrieved March 24, 2006.