Illinois Route 7

Illinois Route 7 (IL 7) is a northeast–southwest 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).[1]

Illinois Route 7 marker
Illinois Route 7
IL 7 highlighted in red
Route information
Maintained by IDOT
Length28.06 mi[1] (45.16 km)
ExistedNovember 5, 1918[2]–present
Major junctions
South[3] end US 6 in Rockdale
  I-80 in Joliet
US 52 in Joliet
US 30 in Joliet

I-355 Toll in Lockport
US 6 in Orland Park
US 45 in Orland Park
North end IL 43 in Worth
CountiesWill, Cook
Highway system
IL 6 IL 8

Route descriptionEdit

Southbound view along Illinois 7 at Interstate 80

IL 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, US 30 (Plainfield Road in Crest Hill and with US 6 at 159th Street between Lockport and Orland Park. Between Rockdale and Worth, IL 7 runs via 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.[2]

Major intersectionsEdit

WillRockdale0.00.0  US 6Southern terminus
Joliet1.01.6  I-80 – Moline, Rock Island, GaryI-80 Exit 130
1.82.9  US 52 (Jefferson Street)
4.06.4   US 30 / Lincoln Highway (Plainfield Road)
Crest Hill5.79.2   IL 53 south (Broadway Street) / Historic US 66 west – JolietSouthwest end of IL 53/Historic US 66 overlap
Romeoville8.714.0   IL 53 north (Independence Boulevard) / Historic US 66 eastNortheast end of IL 53/Historic US 66 overlap
Lockport9.715.6  IL 171 (State Street)
I-355 Toll (Veterans Memorial Tollway) – Southwest Suburbs, West Suburbs
I-355 Exit 4
CookOrland Park18.629.9  US 6 (Wolf Road, 159th Street)
22.736.5  US 45 (La Grange Road, 96th Avenue)Access via 135th and 143th Streets
Palos Park25.340.7123rd Street, McCarthy RoadInterchange
26.242.2   IL 83 (College Drive) / CR W32 south (80th Avenue)
Worth28.245.4  IL 43 (Harlem Avenue)Northern terminus
Southwest HighwayContinuation beyond IL 43
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

External linksEdit

Route map:

KML is from Wikidata


  1. ^ a b c Illinois Technology Transfer Center (2007). "T2 GIS Data". Retrieved November 8, 2007.
  2. ^ a b Carlson, Rick. Illinois State Highways Page: Routes 1 thru 20. Last updated March 15, 2006. Retrieved March 24, 2006.
  3. ^ Burmaster, Bill. Roads of the Mid-South and West - Illinois State Route 7. Retrieved March 24, 2006.
  4. ^ Google Maps estimate