Illinois Route 8

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Illinois Route 8 marker

Illinois Route 8
Route information
Maintained by IDOT
Length: 45.51 mi[2] (73.24 km)
Existed: 1918[1] – present
Major junctions
West end: IL 97 in Maquon
  US 24 / IL 29 in Peoria
I-74 in East Peoria
US 150 in East Peoria
East end: US 24 in Washington
Counties: Knox, Peoria, Tazewell
Highway system
IL 7 IL 9

Illinois Route 8 is an east–west state road in central Illinois. It runs east from Illinois Route 97 south of Maquon to the intersection of U.S. Route 24 (McClugage Avenue) and Business U.S. 24 near Washington. Illinois 8 is 45.51 miles (73.24 km) long.[2]

Route description[edit]

Cedar Street Bridge over the Illinois River in Peoria, Illinois

Illinois 8 largely parallels Interstate 74 from Maquon to Washington. After entering Peoria from the west, it crosses the Illinois River with Illinois Route 29 and Illinois Route 116 on the Cedar Street Bridge between Peoria and East Peoria. Illinois 8/29/116 stays joined until Main Street, where Illinois 29 continues southbound to Pekin while Illinois 8/116 travel northbound, albeit briefly, towards I-74.

At Camp Street, Illinois 116 continues geographically northeast, and is signed east, with U.S. Route 150 westbound, forming a wrong-way concurrency. Illinois 8 turns east onto Camp Street with U.S. 150 eastbound. In spite of this concurrency, as of 2005 the eastbound I-74 exit to Camp Street was only marked for U.S. 150, while the next eastbound exit to Washington Street was marked as "To Illinois 8" even though Washington Street is unnumbered in East Peoria. Past the Camp Street/Washington Street intersection, U.S. 150 leaves Illinois 8 and runs east-southeast towards Morton, while Illinois 8 runs east-northeast through unincorporated Sunnyland.

Near Washington, Illinois 8 turns westbound onto Business U.S. 24 (despite being signed as East Illinois 8) to terminate at U.S. 24.


SBI Route 8 ran from Gulfport on U.S. Route 34 at the Iowa state line to Sheldon on U.S. Route 24 at the Indiana state line. It was truncated in 1965, with some of its segments moving to its modern alignment from Illinois Routes 78 and 116[1]

Major intersections[edit]

County Location mi km Destinations Notes
Knox   IL 97
  IL 78 south West end of IL 78 overlap
Peoria Elmwood IL 78 north East end of IL 78 overlap
Peoria IL 116 west (Howett Street, Lincoln Avenue) West end of IL 116 overlap
Illinois River Cedar Street Bridge
Tazewell East Peoria Edmund Street Interchange
US 24 west / IL 29 south Interchange; west end of US 24 overlap / IL 29 overlap
US 24 east / US 150 west / IL 29 north / IL 116 east (North Main Streetl) East end of US 24 / IL 29 / IL 116 overlap; west end of US 150 overlap
I-74 west – Peoria Westbound exit and eastbound entrance
US 150 east (Meadows Avenue) East end of US 150 overlap
US 24 Bus. east (Washington Road)
West end of US 24 Bus. overlap
  US 24 – Eureka, Peoria East end of US 24 Bus. overlap
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]


  1. ^ a b Carlson, Rick. Illinois 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. 

External links[edit]