Roundabouts Database

29411 Results

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City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType 		Year Completed Comments
Danville, IL
Vermilion Co.
United States 		E English St. / N Jackson St.
(40.14221, -87.62787) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
42.9111 		Other (At-Grade)
Single-Lane 		2018 Opened October 29, 2018. https://www.news-gazette.com/news/danville-drivers-will-encounter-county-s-first-roundabout-beginning-today/article_f87c0143-b30f-5905-a5cd-20cc780a35d4.html ICD estimated from Google Maps linework.
Waterloo, IL
Monroe Co.
United States 		Park St. / Lakeview Dr.
(38.33225, -90.15966) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
2 Driveways
34.6640 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
O'Fallon, IL
St. Clair Co.
United States 		Simmons Rd. / Milburn School Rd. / Fairwood Hills Rd.
(38.61146, -89.92906) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.7957 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Springfield, IL
Sangamon Co.
United States 		W Iles Ave. / Archer Elevator Rd.
(39.77083, -89.73465) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.8829 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Freeport, IL
Stephenson Co.
United States 		W Pearl City Rd. / Kiwanis Dr. / S Forest Rd.
(42.28237, -89.66744) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
37.1116 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Schaumburg, IL
Cook Co.
United States 		N Plum Grove Rd. / Remington Rd.
(42.05300, -88.05996) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
30.1519 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Springfield, IL
Sangamon Co.
United States 		Flat Ave. / Roland Ave.
(39.75916, -89.64309) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.7894 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
Peoria, IL
Peoria Co.
United States 		W Hickory Grove Rd. / N Allen Rd.
(40.82776, -89.63078) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.7266 		Other (At-Grade)
Single-Lane 		2013 https://www.pjstar.com/photogallery/IP/20121120/PHOTOGALLERY/311209886/PH/1 . ICD estimated from Google Maps linework.
Peoria, IL
Peoria Co.
United States 		Grange Hall Rd. / Radnor Rd.
(40.81267, -89.64974) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2016-2019).
De Kalb, IL
DeKalb Co.
United States 		Health Services Dr. / (unknown) / (parking lot)
(41.96413, -88.72497) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.0746 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Joliet, IL
Kendall Co.
United States 		Wildsprings Pkwy. / Onyx Ln.
(41.55281, -88.28244) 		Traffic Calming Circle
Existing 		Uncontrolled
None 		3 Approaches
0 Driveways
30.3882 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Joliet, IL
Kendall Co.
United States 		Wildsprings Pkwy. / Waterbury Dr.
(41.56095, -88.29127) 		Traffic Calming Circle
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
18.7668 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Orland Park, IL
Cook Co.
United States 		S Ravinia Ave. / W 147th St.
(41.62323, -87.85606) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.9262 		Other (At-Grade)
Single-Lane 		2018 https://www.facebook.com/VillageofOrlandPark/posts/-ravinia-ave-roundabout-debuts-sat-oct-13th-at-7am-the-roundabout-opening-is-ahe/1956887887713212/ ICD estimated from Google Maps linework.
North Chicago, IL
Lake Co.
United States 		W Dugdale Rd. / 14th St.
(42.33414, -87.86542) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.3784 		Other (At-Grade)
Single-Lane 		2019 https://www.chicagotribune.com/suburbs/lake-county-news-sun/opinion/ct-lns-moran-14th-street-roundabout-st-1106-20191105-ks75xkqok5bm5ok3h5u5q64mtu-story.html ICD estimated from Google Maps linework.
Pinckneyville, IL
Perry Co.
United States 		Kennedy Dr. / IL 154
(38.08128, -89.39884) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.8852 		Other (At-Grade)
Single-Lane 		2016 https://thesouthern.com/news/local/communities/pinckneyville/work-progressing-on-roundabout-in-pinckneyville/article_15117fb7-c620-5c5a-9396-51297680745e.html ICD estimated from Google Maps linework.
Troy, IL
Madison Co.
United States 		SR 162 / Lakeview Acres Rd.
(38.73777, -89.93511) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.2639 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Peoria, IL
Peoria Co.
United States 		N Allen Rd. / W Alta Rd.
(40.81311, -89.63103) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
30.7334 		Other (At-Grade)
Single-Lane 		2015 Yield-controlled right-turn bypass lane on south leg. ICD estimated from Google Maps linework.
Woodstock, IL
McHenry Co.
United States 		Charles Rd. / Raffel Rd.
(42.36007, -88.42864) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
37.9483 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Belleville, IL
St. Clair Co.
United States 		Centreville Ave. / SR 15 NB Ramps / S Belt W
(38.50591, -90.00011) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
47.6653 		Freeway Ramps (Grade-Separated)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Belleville, IL
St. Clair Co.
United States 		Centreville Ave. / SR 15 SB Ramps / Whiskey Dr.
(38.50516, -90.00173) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
35.5157 		Freeway Ramps (Grade-Separated)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Lincolnshire, IL
Lake Co.
United States 		Everett Rd. / Riverwoods Rd.
(42.22193, -87.90590) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.4539 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Lake Villa, IL
Lake Co.
United States 		Cedar Lake Rd. / Monaville Rd.
(42.39797, -88.09213) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.9254 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Lake Barrington, IL
Lake Co.
United States 		Roberts Rd. / River Rd.
(42.23849, -88.16919) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.8321 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Des Plaines, IL
Cook Co.
United States 		N. Wolf Rd. / State St. / N. Broadway St. / E. Golf Rd.
(42.05374, -87.91028) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
49.3776 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 Intersection upgraded by IDOT to roundabout in 2018.
Old Mill Creek, IL
Lake Co.
United States 		Hunt Club Rd. / W. Wadsworth Rd.
(42.42938, -87.97247) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.4326 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Old Mill Creek, IL
Lake Co.
United States 		Hunt Club Rd. / Milburn Rd. / W. Simpson Rd.
(42.42212, -87.97259) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.9640 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Campton Hills, IL
Kane Co.
United States 		SR 47 / Burlington Rd.
(41.98813, -88.47064) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2016 Rural, high-speed approaches.
Rockford, IL
Winnebago Co.
United States 		N Main St. / Auburn St.
(42.28863, -89.08024) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2013 Originally built in 2013 as multilane 2x2 roundabout. Reduced from multilane 2x2 to single-lane roundabout in 2024: https://www.wifr.com/2024/05/17/main-auburn-st-roundabout-rockford-reduce-lanes/
Rockford, IL
Winnebago Co.
United States 		Seminary St. / College Ave.
(42.26161, -89.09051) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.4721 		Other (At-Grade)
Single-Lane 		2013 Right-turn bypass lane on west leg. ICD estimated from Google Maps linework.
Bloomington, IL
McLean Co.
United States 		Royal Pointe Dr / Brighton Ln
(40.49004, -88.93106) 		Traffic Calming Circle
Existing 		Other
None 		4 Approaches
0 Driveways
55.4069 		Other (At-Grade)
Single-Lane 		1997 Year Completed estimated (1994-1999). ICD estimated from Google Maps linework.
Bloomington, IL
McLean Co.
United States 		Royal Pointe Dr. / Arrowhead Dr.
(40.49332, -88.93045) 		Traffic Calming Circle
Removed 		Other
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2014 Removed sometime between 2012 and 2015.
Glen Ellyn, IL
DuPage Co.
United States 		Crescent Blvd. / Crescent Ct. / Park Row
(41.87975, -88.05899) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.9936 		Other (At-Grade)
Single-Lane 		2015 Compact urban roundabout - T-intersection with fourth leg between top and stem of T. Providing a means for legal U-turns was an important factor in selection of a roundabout here.
Brookfield, IL
Cook Co.
United States 		Grand Blvd. / Washington St.
(41.82755, -87.85150) 		Other
Existing 		Unknown
Unknown 		8 Approaches
0 Driveways
41.8281 		Other (At-Grade)
Single-Lane 		I am a chauffuer in the Chicago area and I use this roundabout frequently when traveling from the West Suburbs to Midway Airport. Only real traffic is on Grand Blvd at this intersection but it is in a downtown shopping district in Brookfield (13 mi WSW of Functional Class: Local ICD estimated from Google Maps linework.
Normal, IL
McLean Co.
United States 		Beaufort St. / North St.
(40.50929, -88.98440) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2009 Both a traffic solution and centerpiece for significant downtown redevelopment. Pedestrian access to central island. Completed Fall 2009. https://www.landscapeperformance.org/case-study-briefs/uptown-normal-circle-and-streetscape
Hoffman Estates, IL
Cook Co.
United States 		Essex Dr. / Beacon Pointe Dr.
(42.06310, -88.23064) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.2604 		Other (At-Grade)
Single-Lane 		2007 Roundabout pictures available at Village Website http://www.hoffmanestates.org/government/departments-comdev-transportation.shtml#InterestandInfo Functional Class: Collector ICD estimated from Google Maps linework.
Highland, IL
Madison Co.
United States 		US 40 / IL 160 / Poplar St.
(38.75010, -89.67197) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.9832 		Other (At-Grade)
Single-Lane 		2004 Roundabout operating nicely with no accidents reported during first six months of operation. Completed October 2004. Functional Class: Arterial ICD estimated from Google Maps linework.
Champaign, IL
Champaign Co.
United States 		English Oak Dr. / (unknown)
(40.10075, -88.32784) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
28.3203 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Champaign, IL
Champaign Co.
United States 		English Oak Dr. / Chestnut Grove Dr.
(40.09811, -88.32787) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.4942 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Champaign, IL
Champaign Co.
United States 		Crabapple Ln. / Sandcherry Dr.
(40.09553, -88.32968) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
1 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2006
Springfield, IL
Sangamon Co.
United States 		Capitol Ave. / 12th St.
(39.79816, -89.63947) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2012
Highland, IL
Madison Co.
United States 		Iberg Rd. / Veterans Honor Pkwy. / Broadway / Saint Rose Rd.
(38.73643, -89.65281) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019 https://www.bnd.com/news/local/community/highland-news-leader/article137270003.html
Wadsworth, IL
Lake Co.
United States 		W Wadsworth Rd. / Dilleys Rd.
(42.42897, -87.94581) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.youtube.com/watch?v=R7rA-rscA70
Chicago, IL
Cook Co.
United States 		W Evergreen Ave. / N Burling St.
(41.90639, -87.64734) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands or control.
Carterville, IL
Williamson Co.
United States 		Cambria Rd. / Herrin Rd.
(37.81089, -89.12377) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
42.6717 		Other (At-Grade)
Single-Lane 		2020 https://wsiltv.com/2020/05/29/williamson-county-intersection-to-close-for-construction/
Peru, IL
La Salle Co.
United States 		Peoria St. / Plank Rd. / Sunset Dr.
(41.34157, -89.13074) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.mywebtimes.com/2020/10/07/la-salle-countys-first-roundabout-will-be-partially-opened-thursday/aix39n8/
Saint Charles, IL
Kane Co.
United States 		Burlington Rd. / Bolcum Rd.
(41.94162, -88.39775) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2020
Marion, IL
Williamson Co.
United States 		Morgan Ave. (The Hill) / N Carbon St.
(37.74458, -88.94792) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2019 https://local.nixle.com/alert/7707046/
O'Fallon, IL
St. Clair Co.
United States 		Milburn School Rd. / Old Collinsville Rd.
(38.61444, -89.96636) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7290 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Fairview Heights, IL
St. Clair Co.
United States 		Dunhill Dr. / Northshore Dr.
(38.61012, -89.97116) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7309 		Other (At-Grade)
Single-Lane 		2006 No splitter islands. ICD estimated from Google Maps linework.
Centreville, IL
St. Clair Co.
United States 		SR 13 / SR 157
(38.55853, -90.09956) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		2008
Gurnee, IL
Lake Co.
United States 		Almond Rd. / Dada Dr.
(42.37601, -87.98463) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2018 https://www.gurnee.il.us/government/departments/community-development/engineering/almond-and-dada-intersection
Washington, IL
Tazewell Co.
United States 		Washington Square
(40.70341, -89.40659) 		Other
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		1920 Pedestrian access to central island; parking along circulatory roadway.
Hawthorn Woods, IL
Lake Co.
United States 		W Schwerman Rd. / Tournament Dr.
(42.24819, -88.07133) 		Other
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Monee, IL
Will Co.
United States 		W Court St. / S Egyptian Trl.
(41.42154, -87.74755) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018).
Channahon, IL
Will Co.
United States 		S Navajo Dr. / St Ann Way
(41.43729, -88.22099) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2002-2005).
Plainfield, IL
Will Co.
United States 		W Renwick Rd. / S Drauden Rd.
(41.59347, -88.23543) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006).
Plainfield, IL
Will Co.
United States 		Island Dr. / Creekview Dr. / S Indian Boundary Line Rd.
(41.59740, -88.23185) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2002-2005).
Homer Glen, IL
Will Co.
United States 		Syd Creek Dr. / Iz Brook Dr.
(41.59490, -87.97263) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006).
Homer Glen, IL
Will Co.
United States 		Syd Creek Dr. / Blue Mag Rd.
(41.59306, -87.97332) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006).
Plainfield, IL
Kendall Co.
United States 		S Grande Park Blvd. / S Playa Vista Blvd. / Carmel Blvd.
(41.63491, -88.26332) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2008).
Bolingbrook, IL
Will Co.
United States 		Rodeo Dr. / Kings Rd.
(41.66750, -88.14597) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Single-Lane 		2019 Right-turn-only lanes on east and west legs; designed for future expansion to two through lanes.
Naperville, IL
Will Co.
United States 		Honey Locust Dr. / 103rd St.
(41.69412, -88.22994) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2002-2005).
Sterling, IL
Whiteside Co.
United States 		W Le Fevre Rd. / Lynn Blvd.
(41.80133, -89.72783) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.radiorockriver.com/2020/10/26/the-sterling-roundabout-is-now-open-for-business/
De Kalb, IL
DeKalb Co.
United States 		E Gurler Rd. / N Peace Rd.
(41.89286, -88.72396) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.facebook.com/1360WlbkRadio/posts/wlbk-local-newsdekalbs-new-roundabout-is-opening-soon-dekalb-city-manager-bill-n/3211580668940104/
Coral, IL
McHenry Co.
United States 		US 20 / Harmony Rd.
(42.16114, -88.52668) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2020
Carbondale, IL
Jackson Co.
United States 		W Chautauqua St. / S McLafferty Rd.
(37.71568, -89.23758) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 North leg disconnected. https://explorecarbondale.com/676/Chautauqua-McLafferty-Roundabout-Complet
Belleville, IL
St. Clair Co.
United States 		SR 159 (N Illinois St. - S Illinois St.) / E Main St. / W Main St.
(38.51360, -89.98421) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Single-Lane 		Painted splitter islands. Circle with roundabout features.
Bolingbrook, IL
Will Co.
United States 		Janes Ave. / (apartment complex entrance)
(41.71085, -88.03938) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 East leg stubbed. Year Completed estimated (2006-2007).
Schaumburg, IL
Cook Co.
United States 		E State Pkwy. / N Plum Grove Rd.
(42.05607, -88.05992) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		2019
Lake Villa, IL
Lake Co.
United States 		Monaville Rd. / N Fairfield Rd.
(42.40096, -88.11041) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://www.lakecountyil.gov/3686/Fairfield-Rd
Algonquin, IL
Kane Co.
United States 		Bolz Rd. / Longmeadow Pkwy.
(42.13872, -88.27011) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://kanecountyconnects.com/2020/11/as-longmeadow-parkway-opens-kdot-permanently-closes-portion-of-bolz-road/
Rockford, IL
Winnebago Co.
United States 		Lyford Rd. / (medical center entrance)
(42.31307, -88.95526) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Single-Lane 		2018 Yielding right-turn bypass lanes on south and east legs. Year Completed estimated (2018-2019).
Chillicothe, IL
Peoria Co.
United States 		N Old Galena Rd. / N State St.
(40.83312, -89.56268) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
56.3880 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2015 Merging right-turn bypass lane on north leg. Year Completed estimated (2013-2016).
Alton, IL
Madison Co.
United States 		Central Ave. / College Ave.
(38.90689, -90.17172) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Parking along circulatory roadway.
Lincolnwood, IL
Cook Co.
United States 		N Kimball Ave. / W Arthur Ave.
(41.99912, -87.71431) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Lincolnwood, IL
Cook Co.
United States 		W North Shore Ave. / N Kimball Ave.
(42.00281, -87.71426) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Lincolnwood, IL
Cook Co.
United States 		W Arthur Ave. / N Kenton Ave.
(41.99908, -87.74345) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Edwardsville, IL
Madison Co.
United States 		N University Dr. / Hairpin Dr.
(38.79313, -89.99441) 		Other
Existing 		Unknown
Unknown 		3 Approaches
5 Driveways
0.0000 		Other (At-Grade)
Unknown
Caseyville, IL
St. Clair Co.
United States 		George E Chance Pkwy. / (future road) / (parking)
(38.64435, -89.98704) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2007-2008).
Caseyville, IL
St. Clair Co.
United States 		George E Chance Pkwy. / Blackwood Ridge / Boreal Ridge
(38.64452, -89.99106) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2007-2008).
Caseyville, IL
St. Clair Co.
United States 		George E Chance Pkwy. / Villa Valley / Donner Ridge
(38.64193, -90.00523) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2007-2008).
Caseyville, IL
St. Clair Co.
United States 		George E Chance Pkwy. / Laurel Flats Dr. / (future roads)
(38.63746, -90.00941) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2007-2008).
Swansea, IL
St. Clair Co.
United States 		Berwick Crossing
(38.53100, -89.92281) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Shiloh, IL
St. Clair Co.
United States 		Wingate Blvd. / London Ln.
(38.52931, -89.92521) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Mascoutah, IL
St. Clair Co.
United States 		Falling Leaf Way / Timberbrook Dr. / Antique Ln.
(38.50300, -89.81853) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands.
Hoffman Estates, IL
Cook Co.
United States 		Center Dr. / (parking)
(42.07088, -88.12878) 		Rotary
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		This is a privately maintained roadway. The site is currently being redeveloped from an office campus to a mixed-use development. A single-lane modern roundabout has been considered as a replacement for the existing rotary.
West Dundee, IL
Kane Co.
United States 		Millbrook Dr. / (unknown) / (parking)
(42.14551, -88.34157) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2013-2015).
Elgin, IL
Kane Co.
United States 		Long Common Pkwy. / South St.
(42.02091, -88.36097) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
64.0080 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006).
Elgin, IL
Kane Co.
United States 		Long Common Pkwy. / Gansett Pkwy.
(42.02750, -88.36153) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Single-Lane 		2006 Little entry curvature. Year Completed estimated (2005-2006).
Elgin, IL
Kane Co.
United States 		SR 47 / Plato Rd.
(42.01941, -88.46401) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2020 Year Completed estimated (2019-2020).
Woodstock, IL
McHenry Co.
United States 		S Madison St. / S South St. / Lake Ave.
(42.31289, -88.44469) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.woodstockil.gov/publicworks/page/south-lake-madison-roundabout
Lake Forest, IL
Lake Co.
United States 		N Field Dr. / Football Dr.
(42.25435, -87.89853) 		Other
Existing 		Other
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		South entry is uncontrolled; other entries are stop-controlled.
West Chicago, IL
DuPage Co.
United States 		Technology Blvd. / Discovery Dr. / Innovation Dr. (north)
(41.87817, -88.25418) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
64.0080 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2006 Year Completed estimated (2005-2006).
West Chicago, IL
DuPage Co.
United States 		Technology Blvd. / Discovery Dr. / Innovation Dr. (south)
(41.87416, -88.25731) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
64.0080 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2006 Year Completed estimated (2005-2006).
Marengo, IL
McHenry Co.
United States 		SR 23 / Harmony Rd.
(42.18243, -88.61803) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2020 Yield-controlled right-turn bypass lane on north leg.
Marengo, IL
McHenry Co.
United States 		SR 23 / I-90 WB Ramps
(42.17930, -88.61798) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 Yield-controlled right turn bypass lane on east leg off freeway exit ramp. Merging right turn bypass lane on south leg onto freeway entrance ramp.
Marengo, IL
McHenry Co.
United States 		SR 23 / I-90 EB Ramps
(42.17539, -88.61798) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 Yield-controlled right turn bypass lane on east leg off freeway exit ramp. Merging right turn bypass lane on south leg onto freeway entrance ramp.
Algonquin, IL
McHenry Co.
United States 		N Main St. / Cary Rd. / Arrowhead Dr.
(42.17487, -88.28598) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.facebook.com/AlgonquinIL/videos/710925177010156/
Columbia, IL
Monroe Co.
United States 		Quarry Rd. / Palmer Creek Dr.
(38.46186, -90.21085) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2022 https://www.republictimes.net/another-roundabout-for-columbia/
Edwardsville, IL
Madison Co.
United States 		(access road) / (parking)
(38.79590, -89.99837) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).