Illinois Route 97

Illinois Route 97 (IL 97) is a northsouth state highway in the central and western portions of the U.S. state of Illinois. It extends from exit 98 on Interstate 55 (I-55) in Springfield northwest to U.S. Highway 150 (US 150) near Galesburg. It crosses over the Illinois River on a bridge west of Havana. This is a distance of 104.43 miles (168.06 km).[1]

Illinois Route 97
Route information
Maintained by IDOT
Length104.43 mi[1] (168.06 km)
Major junctions
South end I-55 / I-72 / US 36 in Springfield
  US 136 / IL 78 in Havana
US 24 / IL 78 in Lewistown
North end US 150 in Knoxville
CountiesSangamon, Menard, Mason, Fulton, Knox
Highway system
IL 96IL 98

Route description

IL 97 starts off in Springfield on East Clear Lake Avenue. It heads east, forming a concurrency with IL 125. IL 97 splits off and north shortly after, entering Menard County.

In Menard County, along a concurrency with IL 123 in New Salem, it passes Lincoln's New Salem State Historic Site near Petersburg, the home of Abraham Lincoln in the 1830s. It afterwards passes through Mason County. The road enters Fulton County immediately after crossing a bridge concurrent with US 136 and IL 78.

It then passes both the Emiquon National Wildlife Refuge and Dickson Mounds State Memorial. Afterwards, it drops the concurrency with IL 78 and US 136 but picks up US 24. During and after it gains concurrency with IL 100, it heads north throughout hills. It enters Knox County after a brief concurrency with IL 9. It continues north through hills until its northern terminus at US 150 near Galesburg.[3]

Major junctions

SangamonSpringfield0.00.0 I-55 / I-72 / US 36 Chicago, DecaturNo control city for southbound I-55/westbound I-72; US 36 is not signed
0.50.80 IL 29
2.23.5 I-55 Bus.
3.65.8Walnut StreetGrade separation eastbound; at-grade intersection westbound
5.89.3 IL 4 Chatham, Mason City
Menard20.132.3 IL 123 / CR 4South end of IL 123 overlap
Petersburg25.140.4 IL 123North end of IL 123 overlap
MasonHavana49.379.3 US 136South end of US 136 overlap
49.880.1 IL 78South end of IL 78 overlap
Fulton50.881.8 US 136 / IL 78North end of US 136 overlap
57.592.5 US 24 / IL 78South end of US 24 overlap; north end of IL 78 overlap
Lewistown61.098.2 US 24 / IL 100 / CR 14South end of IL 100 overlap; north end of US 24 overlap
62.5100.6 IL 100North end of IL 100 overlap
73.9118.9 IL 9 / CR 16South end of IL 9 overlap
75.9122.1 IL 9North end of IL 9 overlap
Rapatee86.1138.6 IL 116
KnoxKnoxville101.9164.0 US 150 to I-74
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. Illinois Technology Transfer Center (2006). "T2 GIS Data". Retrieved 2007-11-08.
  2. Carlson, Rich. Illinois Highways Page: Routes 81 thru 100. Last updated March 15, 2005. Retrieved April 20, 2006.
  3. Delorme Illinois Atlas & Gazetter
  4. Google (October 4, 2014). "Overview of IL 97" (Map). Google Maps. Google. Retrieved October 4, 2014.
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