Illinois Route 47

Illinois Route 47 (IL 47) is a 169.76-mile-long (273.20 km) largely rural northsouth state highway that runs from the Wisconsin state border at Highway 120 near Hebron, to IL 10, just south of Interstate 72 (I-72) near Seymour.[1] IL 47 is in primarily rural areas but in several suburbs of Chicago, such as Woodstock, traffic can be heavily congested.

Illinois Route 47
IL 47 highlighted in red
Route information
Maintained by IDOT
Length169.76 mi[1] (273.20 km)
Major junctions
South end IL 10 in Seymour
  I-72 in Seymour
I-74 in Mahomet
I-55 in Dwight
I-80 in Morris

I-88 / IL 110 (CKC) in Sugar Grove

I-90 in Huntley
North end WIS 120 in Hebron
CountiesChampaign, Ford, Livingston, Grundy, Kendall, Kane, McHenry
Highway system
US 45IL 48

IL 47 crosses most interstate highways in northern and central Illinois, but the largest towns that it serves are Huntley (at the Jane Addams Memorial Tollway), Yorkville (at U.S. Route 34 (US 34)), Woodstock (at US 14), Lily Lake at (IL 64), Elburn (at Illinois Route 38), Sugar Grove (at US 30), Morris (at Interstate 80), Dwight (at I-55), Forrest (at US 24), Gibson City (at IL 54), and Mahomet (at I-74).

Route description

Illinois 47 overlaps Illinois Route 72 and U.S. Route 20 at Pingree Grove, a village approximately 60 miles (97 km) from Chicago; this concurrency is part of a so-called wrong-way concurrency, where one can be driving both west on Illinois 72 and east on U.S. 20 at the same time. Route 47 also shares concurrencies with Illinois Route 9 and Illinois 54 in Gibson City, U.S. Route 30 in Sugar Grove, U.S. Route 6 in Morris, Historic U.S. Route 66 in Dwight, and U.S. Route 150 in Mahomet.


The Illinois Department of Transportation is proposing to add lanes to several portions of Illinois Route 47, which eventually would make it a 4-lane road from I-80 in Morris to I-88 in Sugar Grove, and from I-90 in Huntley to north of Woodstock. A project to reconstruct the road to 4 lanes from Kreutzer Road to Reed Road through Huntley was completed in October 2011.[3] The Prairie Parkway study included engineering for 4 lanes from I-80 in Morris to Caton Farm Road south of Yorkville, and construction was underway of this section as of 2015. Engineering studies are underway for sections of Illinois Route 47 from Caton Farm Road to Illinois 71 in Yorkville, from Kennedy Road in Yorkville to US 30 in Sugar Grove, and from Charles Road to US 14 in Woodstock. A project providing additional lanes from Illinois 71 to Kennedy Road in Yorkville was completed in 2015.

Major intersections

Champaign0.00.0 IL 10 Champaign, Seymour
0.50.80 I-72 Decatur, ChampaignI-72 exit 176
Mahomet5.48.7 US 150 west (Oak Street) Farmer CitySouth end of US 150 overlap
5.89.3 US 150 east (Oak Street) ChampaignNorth end of US 150 overlap
6.310.1 I-74 Bloomington, ChampaignI-74 exit 172
14.323.0 US 136 Bloomington, Havana, Fisher
FordGibson City24.639.6 IL 9 east / IL 54 east (1st Street) Patton, OnargaSouth end of IL 9 / IL 54 overlap
25.140.4 IL 54 west Farmer CityNorth end of IL 54 overlap
25.741.4 IL 9 west BloomingtonNorth end of IL 9 overlap
Sibley34.355.2 IL 165 west Anchor, Colfax
LivingstonForrest45.773.5 US 24 (Wabash Avenue) Chenoa, Gilman
Saunemin55.589.3 IL 116 (Main Street) Pontiac, Saunemin
Dwight69.6112.0 IL 17 (Mazon Avenue) Wenona, Kankakee, Business District
69.9112.5 Historic US 66 west (McNamara Avenue)South end of Historic US 66 overlap
70.4113.3 Historic US 66 east (Dwight Road)North end of Historic US 66 overlap
Grundy71.3114.7 I-55 Bloomington, JolietI-55 exit 220
82.9133.4 IL 113 east Coal City
Morris87.7141.1Morris Bridge over Illinois River
89.0143.2 US 6 west (Bedford Road)South end of US 6 overlap
89.7144.4 US 6 east ChannahonNorth end of US 6 overlap
90.1145.0 I-80 Moline, Rock Island, JolietI-80 exit 112
Kendall98.6158.7 US 52 Mendota, Joliet
Yorkville106.5171.4 IL 71 (Stagecoach Trail) Newark, Ottawa, Oswego
107.5173.0 IL 126 east (Schoolhouse Road) Plainfield
109.1175.6 US 34 (Veterans Parkway) Plano, Oswego
county line
113.6182.8 US 30 east (Baseline Road) Montgomery, JolietSouth end of US 30 overlap
KaneSugar Grove116.7187.8
US 30 west / IL 56 east to I-88 east Hinckley, Chicago
Interchange; north end of US 30 overlap
I-88 / IL 110 (CKC) (Ronald Reagan Memorial Tollway) DeKalb, Chicago
I-88 exit 109; I-Pass only on eastbound entrance and exit ramps
Elburn125.4201.8 CR 41 / Lincoln Highway (Keslinger Road) Geneva
126.9204.2 IL 38 DeKalb, Geneva
Lily Lake129.5208.4 IL 64 Sycamore, St. Charles
Pingree Grove139.9225.1 US 20 east / IL 72 west Hampshire, ElginSouth end of US 20 / IL 72 overlap
Starks140.4226.0 US 20 west / IL 72 east Marengo, West DundeeNorth end of US 20 / IL 72 overlap
I-90 (Jane Addams Memorial Tollway) Rockford, Chicago
I-Pass only; I-90 exit 47
McHenry152.0244.6 IL 176 east Crystal LakeSouth end of IL 176 overlap
152.7245.7 IL 176 west MarengoNorth end of IL 176 overlap
Woodstock155.5250.3 US 14 (Northwest Highway, Ronald Reagan Highway) Harvard, Crystal Lake
157.4253.3 IL 120 (McHenry Avenue)
Hebron168.1270.5 IL 173 (Maple Avenue)
169.76273.20 WIS 120 north Lake GenevaWisconsin state line
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

KML is from Wikidata


  1. Illinois Technology Transfer Center (2006). "T2 GIS Data". Retrieved 2007-11-08.
  2. Carlson, Rick. Illinois Highways Page: Routes 41 thru 60. Last updated March 15, 2006. Retrieved March 28, 2006.
  3. Village of Huntley IL 47 website Retrieved 3-9-11
  4. Google Maps,
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