Illinois Route 23

Illinois Route 23 marker
Illinois Route 23
Map
IL 23 highlighted in red
Route information
Maintained by IDOT
Length122.77 mi[1] (197.58 km)
ExistedNovember 5, 1918[2]–present
Major junctions
South end IL 116 in Pontiac
Major intersections I-55 in Pontiac
US 6 / IL 71 in Ottawa
I-80 in Ottawa
US 52 in Serena
US 34 in Leland
US 30 in Waterman

I-90 Toll near Marengo
US 20 in Marengo
North end US 14 in Harvard
Location
CountryUnited States
StateIllinois
CountiesLivingston, LaSalle, DeKalb, McHenry
Highway system
IL 22 I-24

Illinois Route 23 (IL 23) is a north–south state highway in northern Illinois. It runs from Illinois Route 116 in Pontiac north to U.S. Route 14 south of Harvard. This is a distance of 122.77 miles (197.58 km).[1]

Illinois 23 was established in 1918 as one of the original 46 SBI routes. The routing of Illinois 23 has not changed since its establishment.

  1. ^ a b Illinois Technology Transfer Center (2007). "T2 GIS Data". Retrieved 2007-11-08.
  2. ^ Carlson, Rick. Illinois Highways Page: Interstates in Illinois. Last known update March 15, 2006. Retrieved March 21, 2006.