| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Oxford,
                MS Lafayette Co. United States | SR 30 / SR 7 SB Ramps (34.38488, -89.49810) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2022 | Raindrop shaped. Series of three roundabouts. | 
| Portage,
                WI Columbia Co. United States | W Wisconsin St. (STH 16) / Columbia Dr. (STH 127) / I-39 SB Ramps (43.56023, -89.49496) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 51.9282 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2018 | https://www.wiscnews.com/portagedailyregister/news/local/dot-nearly-ready-to-open-portage-s-first-roundabout-to/article_bdd0df9d-4e73-52b4-99de-252ab92cf7c8.html#4 ICD estimated from Google Maps linework. | 
| Stone Meadows,
                WI Dane Co. United States | Dorchester Way / Thornebury Dr. (43.01256, -89.48842) | Traffic Calming Circle Existing | Uncontrolled Unknown | 4 Approaches 0 Driveways 15.7194 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Stone Meadows,
                WI Dane Co. United States | Dorchester Way / Jeffers Dr/ (43.01339, -89.48840) | Traffic Calming Circle Existing | Uncontrolled Unknown | 4 Approaches 0 Driveways 14.8459 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Oxford,
                MS Lafayette Co. United States | Sisk Ave. / Persimmon Ln. (34.37239, -89.48771) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 57.9120 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2014 | Initially built as traffic circle. Modified from circle to roundabout 2016-2019. Left lane trapped as left-turn-only lane but marked as through lane. | 
| Oxford,
                MS Lafayette Co. United States | University Ave. / Buddy East Pkwy. (34.35955, -89.48755) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://www.oxfordms.net/university-avenue-at-highway-6-closed-beginning-may-28th | 
| Madison,
                WI Dane Co. United States | Fitchrona Rd. / Nesbitt Rd. (43.00734, -89.48446) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.4284 | Other (At-Grade) Single-Lane | 2019 | http://www.unifiednewsgroup.com/fitchburg_star/news/fitchrona-nesbitt-roundabout-opened-oct/article_b0f85c77-071c-5ba2-a480-ece0ff3e4253.html ICD estimated from Google Maps linework. | 
| Fitchburg,
                WI Dane Co. United States | Williamsburg Way / Anton Dr. (43.02444, -89.47065) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 30.5595 | Other (At-Grade) Single-Lane | 2016 | ICD estimated from Google Maps linework. | 
| Waunakee,
                WI Dane Co. United States | W Main St. / Century Ave. (43.19206, -89.46181) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 32.2174 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2014 | Year Completed estimated (2014-2018). ICD estimated from Google Maps linework. | 
| Fitchburg,
                WI Dane Co. United States | S Seminole Hwy. / Lacy Rd. (43.00116, -89.45924) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2023 | https://www.wmtv15news.com/2023/11/17/lacy-road-construction-is-complete-with-added-speed-reductions/ | 
| Dunn's Marsh,
                WI Dane Co. United States | Verona Rd. / W Beltline Frontage Rd. (43.03322, -89.45763) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.2852 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2014 | Built under a freeway, but no ramps directly to or from that freeway. ICD estimated from Google Maps linework. | 
| Lodi,
                WI Columbia Co. United States | STH 60 / I-90 EB Ramps (43.33478, -89.45497) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 45.7200 | Freeway Ramps (Grade-Separated) Single-Lane | 2023 | Placed PARCLO B interchange ramps with diamond ramps. https://x.com/WisconsinDOT/status/1811030212756357174 | 
| Lodi,
                WI Columbia Co. United States | STH 60 / I-90 WB Ramps (43.33575, -89.45242) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 45.7200 | Freeway Ramps (Grade-Separated) Single-Lane | 2023 | Placed PARCLO B interchange ramps with diamond ramps. https://x.com/WisconsinDOT/status/1811030212756357174. | 
| Holly Springs,
                MS Marshall Co. United States | SR 4 (Holly Springs Bypass - E Eddie Lee Smith Dr.) / SR 7 (34.79574, -89.44691) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2022 | |
| Madison,
                WI Dane Co. United States | Glenway St. / Hillcrest Dr. (43.06437, -89.43896) | Traffic Calming Circle Existing | Unknown Unknown | 4 Approaches 0 Driveways 11.3433 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Rhinelander,
                WI Oneida Co. United States | US 8 / STH 47 / W Kemp St. (US 8 Business) (45.63082, -89.43805) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.2639 | Other (At-Grade) Single-Lane | 2019 | https://starjournalnow.com/2019/08/08/rhinelanders-new-roundabout-opens-for-business-soon/ ICD estimated from Google Maps linework. | 
| Madison,
                WI Dane Co. United States | Kendall Ave. / Grand Ave. (43.07145, -89.43156) | Traffic Calming Circle Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 1997 | |
| Madison,
                WI Dane Co. United States | Observatory Dr. / Walnut St. (43.07660, -89.42510) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.4917 | Other (At-Grade) Single-Lane | 2008 | Opened November 8, 2008. ICD estimated from Google Maps linework. | 
| Fitchburg,
                WI Dane Co. United States | Woods Hollow Rd / Gunflint Trail / Fontana Ct (43.00927, -89.42246) | Other Existing | Uncontrolled Unknown | 3 Approaches 0 Driveways 26.2003 | Other (At-Grade) Single-Lane | 2002 | No control. Year Completed estimated (2000-2004). ICD estimated from Google Maps linework. | 
| Fitchburg,
                WI Dane Co. United States | E Cheryl Pkwy. / Fahey Glen (43.00451, -89.41212) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 44.1960 | Other (At-Grade) Single-Lane | 2002 | Year Completed estimated (2000-2004). Third leg added 2018-2019; future fourth leg. | 
| Westport,
                WI Dane Co. United States | STH 19 / STH 113 / County Hwy I (43.19175, -89.41190) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.8910 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | https://www.nbc15.com/content/news/MORGANs-STORY-498754641.html ICD estimated from Google Maps linework. | 
| Fitchburg,
                WI Dane Co. United States | Nobel Dr. / Fahey Glen (42.99461, -89.41188) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2018 | Southwest and southeast legs stubbed. | 
| Fitchburg,
                WI Dane Co. United States | Lacy Rd. / Fahey Glen (43.00174, -89.41176) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 31.4443 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Waunakee,
                WI Dane Co. United States | STH 113 / Arboretum Dr. / Bong Rd. (43.17746, -89.41174) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2023 | |
| Fitchburg,
                WI Dane Co. United States | Greenway Cross / Bryant Rd. (43.03128, -89.41081) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 24.3840 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2021 | |
| 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. | 
| 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. | 
| Fitchburg,
                WI Dane Co. United States | Lacy Rd. / Haight Farm Rd. (43.00164, -89.39327) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 43.6727 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | ICD estimated from Google Maps linework. | 
| Fitchburg,
                WI Dane Co. United States | Lacy Rd. / Cheryl Pkwy. (43.00643, -89.39114) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.9225 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | ICD estimated from Google Maps linework. | 
| Oregon,
                WI Dane Co. United States | CTH MM / CTH M (42.94950, -89.37981) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.9613 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | Series of 3 roundabouts. ICD estimated from Google Maps linework. | 
| Oregon,
                WI Dane Co. United States | CTH MM / US 14 EB Ramps (42.95128, -89.37859) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 29.7217 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2012 | Series of 3 roundabouts. ICD estimated from Google Maps linework. | 
| Oregon,
                WI Dane Co. United States | CTH MM / US 14 WB Ramps (42.95272, -89.37769) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.9591 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2012 | Series of 3 roundabouts. ICD estimated from Google Maps linework. | 
| Oregon,
                WI Dane Co. United States | STH 138 / US 14 EB Ramps (42.91774, -89.36817) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.1083 | Freeway Ramps (Grade-Separated) Single-Lane | 2011 | ICD estimated from Google Maps linework. | 
| Oregon,
                WI Dane Co. United States | STH 138 / US 14 WB Ramps (42.91764, -89.36607) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 47.2309 | Freeway Ramps (Grade-Separated) Single-Lane | 2011 | ICD estimated from Google Maps linework. | 
| Waunakee,
                WI Dane Co. United States | STH 19 / River Rd. (43.19512, -89.36551) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2020 | Yield-controlled right-turn bypass lanes on north and south legs. | 
| Monona,
                WI Dane Co. United States | S Towne Dr. / Industrial Dr. (43.04082, -89.35458) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.9158 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Near Super-Walmart. Opened August 7, 2007. ICD estimated from Google Maps linework. | 
| Madison,
                WI Dane Co. United States | Winnebago St. / N 6th St. / Division St. (43.09783, -89.35031) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 23.5463 | Other (At-Grade) Single-Lane | 2008 | Opened June 2008. ICD estimated from Google Maps linework. | 
| (unincorporated),
                WI Dane Co. United States | US 14 / STH 92 / Biglow Rd. (42.85434, -89.34080) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | https://www.channel3000.com/u-s-highway-14-to-close-between-oregon-brooklyn-starting-next-week/ | 
| Windsor,
                WI Dane Co. United States | Windsor Rd. / N Towne Rd. (43.21636, -89.32789) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.9085 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2013 | Year Completed estimated (2013-2014). ICD estimated from Google Maps linework. | 
| DeForest,
                WI Dane Co. United States | CR V (E North St.) / North Towne Rd. / Ball Ct. (43.25277, -89.32677) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.8431 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2014 | date: https://www.oesllc.com/portfolio-items/ush-51-expansion-and-interchange-madison-deforest-dane-county-wi/ ICD estimated from Google Maps linework. | 
| North Leeds,
                WI Columbia Co. United States | US 51 / STH 22 / STH 60 (43.33205, -89.32536) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | https://www.channel3000.com/roundabout-at-us-51-state-highways-22-and-60-in-columbia-county-to-open-thursday/pic/4787689/ | 
| Windsor,
                WI Dane Co. United States | CR V / US 51 SB Ramps (43.25275, -89.32500) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 46.9732 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2014 | date: https://www.oesllc.com/portfolio-items/ush-51-expansion-and-interchange-madison-deforest-dane-county-wi/ ICD estimated from Google Maps linework. | 
| Windsor,
                WI Dane Co. United States | Windsor Rd. / US 51 SB Ramps (43.21641, -89.32400) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.2973 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2013 | Year Completed estimated (2013-2014). ICD estimated from Google Maps linework. | 
| DeForest,
                WI Dane Co. United States | CR V / US 51 NB Ramps (43.25270, -89.32322) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 60.0214 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2014 | date: https://www.oesllc.com/portfolio-items/ush-51-expansion-and-interchange-madison-deforest-dane-county-wi/ ICD estimated from Google Maps linework. | 
| Windsor,
                WI Dane Co. United States | Windsor Rd. / US 51 NB Ramps (43.21629, -89.32191) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 44.3902 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2013 | Year Completed estimated (2013-2014). Under construction in 2013 per Streetview. ICD estimated from Google Maps linework. | 
| Deforest,
                WI Dane Co. United States | Savannah Dr. / Williamsburg Way (43.19280, -89.31834) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0536 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | ICD estimated from Google Maps linework. | 
| Madison,
                WI Dane Co. United States | Hanson Rd. / Eastpark Blvd. / Portage Rd. (43.15377, -89.30464) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 35.7228 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Opened October 14, 2008. ICD estimated from Google Maps linework. | 
| Madison,
                WI Dane Co. United States | Thompson Dr. / STH 30 WB On-Ramp / Commercial Ave. (43.10643, -89.30084) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.9822 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2004 | Opened October 22, 2004. ICD estimated from Google Maps linework. | 
| Madison,
                WI Dane Co. United States | Thompson Dr. / STH 30 EB Off-Ramp (43.10506, -89.30066) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 34.0073 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2004 | Opened October 22, 2004. ICD estimated from Google Maps linework. | 
| Madison,
                WI Dane Co. United States | Lien Rd. / Zeier Rd. (43.12128, -89.29919) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 53.1768 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Opened October 2010. ICD estimated from Google Maps linework. | 
| Slayden,
                MS Benton Co. United States | US 72 / SR 7 (34.94637, -89.29731) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | https://www.bidnetdirect.com/mississippi/solicitations/open-bids/statewide/Construction-of-a-Roundabout-on-US-72-at-SR-7/22676924418 | 
| Hattiesburg,
                MS Forrest Co. United States | Hardy St. / 2nd Ave. / Green St. / Adeline St. (31.32467, -89.29718) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | https://www.wdam.com/video/2022/10/20/hattiesburg-residents-circle-learning-curve-with-new-roundabout/ | 
| Hattiesburg,
                MS Forrest Co. United States | Old Hwy 49 (Bay St. / James St.) / Hall Ave. / Arledge St. (31.31737, -89.28621) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2024 | https://www.wdam.com/2024/11/28/hall-ave-east-overpass-roundabout-open/ | 
| Madison,
                WI Dane Co. United States | Saturn Dr. / Milky Way (43.09423, -89.27887) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.0040 | Other (At-Grade) Single-Lane | 2016 | Elliptical shaped. ICD = 105 ft x 95 ft. Year Completed estimated (2014-2017). | 
| Thunder Bay,
                ON Thunder Bay Canada | Edward St. / Redwood Ave. (48.39410, -89.27780) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | 2021 | https://www.thunderbay.ca/en/city-services/roundabout.aspx | 
| Madison,
                WI Dane Co. United States | Star Dr. / Apollo Way (43.08892, -89.27760) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.1663 | Other (At-Grade) Single-Lane | 2003 | Date estimated. ICD estimated from Google Maps linework. | 
| Madison,
                WI Dane Co. United States | Felland Rd. / Tranquility Trl. (43.12504, -89.27625) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2021 | https://www.youtube.com/watch?v=nTuFFRcmDPY | 
| Madison,
                WI Dane Co. United States | Ragan St. / North Star Dr. (43.09786, -89.27608) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.0040 | Other (At-Grade) Single-Lane | 2019 | Year Completed estimated (2018-2020). | 
| Madison,
                WI Dane Co. United States | Saturn Dr. / North Star Dr. (43.09428, -89.27589) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2015 | Year Completed estimated (2014-2017). | 
| Madison,
                WI Dane Co. United States | Star Dr. / Dominion Dr. (43.09153, -89.27502) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 26.1652 | Other (At-Grade) Single-Lane | 2006 | Date estimated. ICD estimated from Google Maps linework. | 
| Madison,
                WI Dane Co. United States | McLean Dr. / Sharpsburg Dr. (43.08695, -89.27359) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.1672 | Other (At-Grade) Single-Lane | 2003 | Date estimated. ICD estimated from Google Maps linework. | 
| Sun Prairie,
                WI Dane Co. United States | W Main St. / CTH C (N Grand Ave.) (43.17611, -89.26487) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.0323 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2005 | Opened November 2005. ICD estimated from Google Maps linework. | 
| Antiguo Cuscatlán,
                La Libertad Antiguo Cuscatlán El Salvador | Bulevar Merliot / Bulevar Monseñor Romero Ramps (13.68477, -89.26364) | Unknown Existing | Unknown Unknown | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (3+ Lane) | ||
| Antiguo Cuscatlán,
                La Libertad Antiguo Cuscatlán El Salvador | Boulevard Merliot / Calle Chiltiupán / Calle El Pedregal (13.67823, -89.26335) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | ||
| Madison,
                WI Dane Co. United States | Millpond Rd. / (parking) (43.04361, -89.26202) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | 2023 | |
| Sun Prairie,
                WI Dane Co. United States | W Main St. / N Mallard Dr. (43.17674, -89.25973) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.8061 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2005 | Opened November 2005. ICD estimated from Google Maps linework. | 
| Sun Prairie,
                WI Dane Co. United States | W Main St. / N Thompson Rd. (43.17636, -89.25448) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.0321 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2005 | Opened November 2005. ICD estimated from Google Maps linework. | 
| San Salvador,
                San Salvador San Salvador El Salvador | Calle El Mirador / Tercera Calle Poniente / Calle Jose Marti / Calle del Mirador / Pasaje Limon (13.70859, -89.25429) | Unknown Existing | Unknown Unknown | 5 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Sun Prairie,
                WI Dane Co. United States | O'Keeffe Ave. / (future road - S Thompson Rd) (43.16849, -89.25340) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.4250 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | ICD estimated from Google Maps linework. | 
| Sun Prairie,
                WI Dane Co. United States | Leopold Way / Brown Bear Way (43.16196, -89.25238) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 29.8704 | Other (At-Grade) Single-Lane | 2019 | |
| Rutland,
                WI Dane Co. United States | STH 138 / Kettle Park Way (42.91821, -89.25204) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.4812 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2016 | ICD estimated from Google Maps linework. | 
| Stoughton,
                WI Dane Co. United States | US 51 / Deer Point Rd. / Roby Rd. (42.92732, -89.25042) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2021 | https://isthmus.com/events/u-s-highway-51-construction/ | 
| Sun Prairie,
                WI Dane Co. United States | O'Keeffe Ave. / (future road) (43.16863, -89.25001) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 35.7141 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | ICD estimated from Google Maps linework. | 
| Stoughton,
                WI Dane Co. United States | US 51-STH 138 / US 51 / STH 138 (42.91876, -89.24947) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2022 | https://isthmus.com/events/u-s-highway-51-construction/ | 
| San Salvador,
                San Salvador San Salvador El Salvador | Paseo General Escalón / Avenida Jerusalen Ramps (13.70362, -89.24941) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (3+ Lane) | ||
| San Salvador,
                San Salvador San Salvador El Salvador | Avenida Masterrer Norte / Calle del Mirador (13.71191, -89.24783) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | ||
| Stoughton,
                WI Dane Co. United States | US 51-STH 138 / Hoel Ave. / Silverado Dr. (42.91814, -89.24587) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | https://isthmus.com/events/u-s-highway-51-construction/ | 
| McFarland,
                WI Dane Co. United States | CR AB / Millpond Rd. (43.03749, -89.24561) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | 2023 | |
| McFarland,
                WI Dane Co. United States | CR AB / US 12-US 18 EB Ramps (43.03910, -89.24354) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2023 | Interchange replaced single stop-controlled intersection. | 
| McFarland,
                WI Dane Co. United States | CR AB / US 12-US 18 WB Ramps (43.04036, -89.24278) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2023 | Interchange replaced single stop-controlled intersection. | 
| San Salvador,
                San Salvador San Salvador El Salvador | Prolongacion Avenida Alberto Masterrer / Calle Las Granadillas (13.71996, -89.24024) | Unknown Existing | Unknown Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | ||
| 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 | 
| San Salvador,
                San Salvador San Salvador El Salvador | Prolongacion Avenida Alberto Masterrer / Calle El Roble (13.72299, -89.23485) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | ||
| San Salvador,
                San Salvador San Salvador El Salvador | Calle San Antonio Abad / Boulevard Constitucion Ramps (13.71803, -89.22251) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | ||
| Thunder Bay,
                ON Thunder Bay Canada | Marina Park Dr. (Sleeping Giant Pkwy.) / Pearl St. (48.43155, -89.21965) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2014 | Year Completed estimated (2013-2015). | 
| Mejicanos,
                San Salvador Mejicanos El Salvador | Salida a Boulevard Constitución / (parking) (13.73661, -89.21767) | Unknown Existing | Unknown Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | ||
| Stoughton,
                WI Dane Co. United States | CTH N / I-90 EB Ramps (43.00063, -89.20077) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 60.9600 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2018 | Year Completed estimated (2017-2018). | 
| Stoughton,
                WI Dane Co. United States | CTH N / (parking) (42.99687, -89.20044) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 59.4360 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | Year Completed estimated (2017-2018). | 
| Stoughton,
                WI Dane Co. United States | CTH N / I-90 WB Ramps (43.00259, -89.20044) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 60.9600 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2018 | Year Completed estimated (2017-2018). | 
| Cottage Grove,
                WI Dane Co. United States | CTH N / I-94 WB Ramps (43.11037, -89.19930) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.6200 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2011 | Series of 3 roundabouts. ICD estimated from Google Maps linework. | 
| Cottage Grove,
                WI Dane Co. United States | CTH N / I-94 EB Ramps (43.10877, -89.19923) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.3649 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2011 | Series of 3 roundabouts. ICD estimated from Google Maps linework. | 
| Cottage Grove,
                WI Dane Co. United States | CTH N / CTH TT (43.11198, -89.19907) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.2597 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | Series of 3 roundabouts. ICD estimated from Google Maps linework. | 
| Sun Prairie,
                WI Dane Co. United States | Gaslight Dr. / Carriage Dr. (43.18638, -89.18950) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 29.2608 | Other (At-Grade) Single-Lane | 2003 | Exact year of opening unknown. Year Completed estimated (2000-2005). | 
| San Salvador,
                San Salvador San Salvador El Salvador | 24A Avenida Norte / Calle Concepcion /  Calle El Tamarindo (13.70459, -89.17968) | Unknown Existing | Unknown Unknown | 5 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | ||
| Rockford,
                IL Winnebago Co. United States | Meridian Rd. / Auburn St. (42.29301, -89.17367) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.9888 | Other (At-Grade) Single-Lane | 2011 | Yield-controlled right-turn bypass lanes on north and south legs. ICD estimated from Google Maps linework. | 
| Laurel,
                MS Jones Co. United States | Sawmill Rd. / Sixth Ave. / Central Ave. (31.69357, -89.13285) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2022 | Central Ave is one-way exiting roundabout. http://laurelmainstreet.com/tag/roundabout/ | 
| Laurel,
                MS Jones Co. United States | Central Ave. / N 5th Ave. (31.69251, -89.13109) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2021 | Converted from traffic circle with all-way stop control by adding small raised splitter islands and converting to yield on entry. Year Completed estimated (2019-2022). | 
| 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/ | 
| Laurel,
                MS Jones Co. United States | Central Ave. / Maple St. (31.69108, -89.12855) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.4224 | Other (At-Grade) Single-Lane | 2002 | ICD estimated from Google Maps linework. | 
| 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/ |