Illinois Route 117

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Illinois Route 117 marker

Illinois Route 117
Route information
Maintained by IDOT
Length: 33.85 mi[2] (54.48 km)
Existed: 1924[1] – present
Major junctions
South end: I-74 in Goodfield
  US 24 in Eureka
North end: IL 17 in Toluca
Counties: Woodford, Marshall
Highway system
IL 116 IL 119

Illinois Route 117 is a rural north–south state road in north central Illinois. It travels from Interstate 74 in the small community of Goodfield to Illinois Route 17 in Toluca. Illinois 117 covers a distance of about 33.85 miles (54.48 km).[2]

Route description[edit]

Illinois 117 is a rural, two lane surface road for its entire length. The main cities of service on Illinois 117 are Eureka and Roanoke. In Eureka, Illinois 117 is known as Main Street, and intersects with U.S. Route 24 (Center Street).

Illinois 117 then overlaps Illinois Route 116 from four miles (6 km) west of Roanoke to Benson, a distance of about nine miles (14 km). Through Roanoke, Illinois 117 is called Front Street. Northeast of Roanoke, Illinois 116/117 runs on top of an abandoned rail line until it turns north towards Toluca.


Though Illinois 117 now connects to Illinois 17, they were originally unconnected, and each were separately planned in State Bond Issue sequence. SBI Route 117 originally ran from U.S. Route 150 (just north of current I-74) in Goodfield to Illinois 116 north of Eureka. In 1994, it was extended north through Roanoke and north to Toluca to renumber Illinois Route 116A, the last surviving letter route in Illinois.[1]

Major intersections[edit]

County Location mi km Destinations Notes
Woodford Goodfield 0.0 0.0 I-74 – Bloomington, Peoria
0.4 0.64 US 150 (Peoria Street)
Eureka 7.0 11.3 US 24 (Center Street)
11.9 19.2 IL 116 west
Benson 21.2 34.1 IL 116 east
Marshall Toluca 33.85 54.48 IL 17
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b Carlson, Rich. Illinois Highways Page: Routes 101 thru 120. Last updated March 15, 2005. Retrieved April 28, 2006.
  2. ^ a b Illinois Technology Transfer Center (2006). "T2 GIS Data". Retrieved 2007-11-08. 
  3. ^ Google (March 2, 2017). "Overview Map of IL 117" (Map). Google Maps. Google. Retrieved March 2, 2017.