Illinois Route 7

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Illinois Route 7

IL 7 highlighted in red
Route information
Maintained by IDOT
Length28.06 mi[1] (45.16 km)
ExistedNovember 5, 1918 (November 5, 1918)[2]–present
Major junctions
Southwest end US 6 in Rockdale
Major intersections
Northeast end IL 43 in Worth
CountryUnited States
CountiesWill, Cook
Highway system
IL 6 IL 8

Illinois Route 7 (IL 7, Illinois 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).[1]

Route description

Southbound view along IL 7 at I-80

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 (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 US 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 US 6 and IL 7. When US 6 was designated, IL 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 IL 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 intersections

WillRockdale0.00.0 US 6 (Grand Army of the Republic Highway)Southern 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 / I&M Canal Passage west – Joliet
Southwest end of IL 53/Historic US 66/I&M Canal Passage overlap

IL 53 north (Independence Boulevard) / Historic US 66 east
Northeast end of IL 53/Historic US 66 overlap
Lockport9.715.6 IL 171 (State Street) / I&M Canal Passage eastNortheast end of I&M Canal Passage overlap
I-355 Toll (Veterans Memorial Tollway) – Southwest Suburbs, West Suburbs
I-355 exit 4
CookOrland Park18.629.9 US 6 (Wolf Road, 159th Street) – Joliet, Indiana
22.736.5 US 45 (La Grange Road, 96th Avenue)Access via 135th and 143th Streets
Palos Park25.340.7123rd Street, McCarthy RoadInterchange
IL 83 (Cal Sag Road, College Drive) / CR W32 south (80th Avenue)
Worth28.245.4 IL 43 (Harlem Avenue)
Southwest Highway
Northern terminus; roadway continues as Southwest Highway
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b c Illinois Technology Transfer Center (2007). "T2 GIS Data". Retrieved November 8, 2007.
  2. ^ a b Carlson, Rick (March 15, 2006). "Routes 1 thru 20". Illinois State Highways Page. Retrieved March 24, 2006.
  3. ^ Google Maps estimate[full citation needed]

External links