| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Carmel,
                IN Hamilton Co. United States | E 106th St. / Keystone Pkwy. NB Ramps (39.94169, -86.11259) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.7200 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2009 | Raindrop shaped. Part of tight diamond interchange. | 
| Carmel,
                IN Hamilton Co. United States | E 106th St. / Keystone Pkwy. SB Ramps (39.94140, -86.11354) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.7200 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2009 | Right-turn-only lane on north leg. Raindrop shaped. Part of tight diamond interchange. | 
| Fishers,
                IN Hamilton Co. United States | E 106th St. / Lantern Rd. (39.94202, -86.01386) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 53.3400 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2011 | |
| Carmel,
                IN Hamilton Co. United States | E 106th St. / N College Ave. (39.94178, -86.14595) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://carmellink.com/project.php?title=106th%20Street%20and%20College%20Avenue%20Roundabout%20Construction open to traffic as of 1/1/2023. | 
| Carmel,
                IN Hamilton Co. United States | E 106th St. / Pennsylvania St. (39.94167, -86.15559) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2008 | Yield-controlled right-turn bypass lane on west leg. Painted spirals next to central island. | 
| Carmel,
                IN Hamilton Co. United States | E 106th St. / US 31 NB Ramps (39.94164, -86.15729) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 40.2904 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2016 | ICD estimated from Google Maps linework. | 
| Winfield,
                IN Lake Co. United States | E 109th Ave. / Green Pl. (41.42020, -87.26608) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2024 | https://www.instagram.com/mattscottmedia/reel/DDNztI8hQq3/ | 
| Crown Point,
                IN Lake Co. United States | E 109th Ave. / I-65 NB Ramps (41.42017, -87.31963) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Unknown | 2021 | Raindrop shaped. | 
| Crown Point,
                IN Lake Co. United States | E 109th Ave. / I-65 SB Ramps (41.42023, -87.32277) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Unknown | 2021 | Raindrop shaped. | 
| Crown Point,
                IN Lake Co. United States | E 109th Ave. / Iowa St. (41.42018, -87.30678) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | 2021 | |
| Crown Point,
                IN Lake Co. United States | E 109th Ave. / Mississippi St. (41.42017, -87.31533) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | https://www.nwitimes.com/news/work-on-roundabout-along-109th-nears-completion-project-remains-on-schedule-officials-say/article_d93047e1-111e-5877-976d-7bba61436da2.html | 
| Jeffersonville,
                IN Clark Co. United States | E 10th St. / IN-62 EB Ramps (38.34309, -85.70641) | Roundabout Existing | All-Way Yield At-grade Rail Crossing Signal/Beacon | 3 Approaches 0 Driveways 65.5707 | Freeway Ramps (Grade-Separated) Multilane (3+ Lane) | 2015 | At-grade rail crossing on south legm with PHBs controlling west and north legs. No pedestrian crossings. ICD estimated from Google Maps linework. | 
| Jeffersonville,
                IN Clark Co. United States | E 10th St. / IN-62 WB Ramps (38.34567, -85.70617) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 54.3280 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2015 | ICD estimated from Google Maps linework. | 
| Tulsa,
                OK Tulsa Co. United States | E 10th St. S / E 11th St. / S Elgin Ave. (36.14822, -95.98283) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 27.0036 | Other (At-Grade) Single-Lane | 2012 | ICD estimated from Google Maps linework. | 
| Carmel,
                IN Hamilton Co. United States | E 111th St. / Lexington Dr. / Central Park Dr. (39.94909, -86.13928) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://www.indianaconstructionnews.com/2020/06/30/carmel-announces-road-projects-for-2020-2021-construction-season/ | 
| Carmel,
                IN Hamilton Co. United States | E 111th St. / N College Ave. (39.94911, -86.14594) | Roundabout Existing | All-Way Yield None | 4 Approaches 1 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2021 | Opened December 3, 2021. http://www.carmellink.com/index.php | 
| Carmel,
                IN Hamilton Co. United States | E 111th St. / N Pennsylvania St. (39.94898, -86.15559) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2015 | |
| Carmel,
                IN Hamilton Co. United States | E 111th St. / Westfield Blvd. (39.94884, -86.12681) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2021 | |
| Commerce City,
                CO Adams Co. United States | E 112th Ave. / (parking) (39.89972, -104.82580) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2018 | Year Completed estimated (2017-2018). | 
| Commerce City,
                CO Adams Co. United States | E 112th Ave. / Potomac St. (39.89963, -104.82770) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2018 | Year Completed estimated (2017-2018). | 
| Fishers,
                IN Hamilton Co. United States | E 113th St. / Florida Rd. (39.95354, -85.88968) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 31.1281 | Other (At-Grade) Single-Lane | 2018 | https://readthereporter.com/florida-road-roundabout-open-in-fishers/ ICD estimated from Google Maps linework. | 
| Carmel,
                IN Hamilton Co. United States | E 116th St. / College Ave. (39.95647, -86.14592) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | http://carmellink.com/project.php?title=116th%20Street%20and%20College%20Avenue%20Roundabout http://carmellink.com/images/projects/116th-St-and-College.jpg | 
| Carmel,
                IN Hamilton Co. United States | E 116th St. / Gray Rd. (39.95665, -86.08932) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2016 | |
| Carmel,
                IN Hamilton Co. United States | E 116th St. / Keystone Pkwy. NB Ramps (39.95663, -86.11353) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.7680 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) | 2009 | Raindrop shaped. Part of tight diamond interchange. | 
| Carmel,
                IN Hamilton Co. United States | E 116th St. / Keystone Pkwy. SB Ramps (39.95665, -86.11430) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.7680 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2009 | Raindrop shaped. Part of tight diamond interchange. | 
| Carmel,
                IN Hamilton Co. United States | E 116th St. / S Guilford Rd. (39.95650, -86.14119) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | http://carmellink.com/project.php?title=116th%20Street%20and%20Guilford%20Road%20Roundabout http://carmellink.com/images/projects/116th-St-and-Guilford.jpg | 
| Carmel,
                IN Hamilton Co. United States | E 116th St. / S Rangeline Rd. / Westfield Blvd. (39.95661, -86.12675) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2022 | Opened August 22, 2022. http://carmellink.com/project.php?title=116th%20Street%20and%20Range%20Line%20Road%20Roundabout | 
| Carmel,
                IN Hamilton Co. United States | E 116th St. / US 31 NB Ramps (39.95620, -86.15727) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 38.4508 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2016 | ICD estimated from Google Maps linework. | 
| Commerce City,
                CO Adams Co. United States | E 119th Ave. / Oakland St. / (unknown) (39.91279, -104.84949) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.9560 | Other (At-Grade) Single-Lane | 2004 | Year Completed estimated (2003-2004). East leg added 2008-2010. | 
| Mulvane,
                KS Sumner Co. United States | E 119th St. connector / (casino access) / I-35 NB Ramps (Kansas Turnpike) (37.47198, -97.32102) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 70.1040 | Freeway Ramps (Grade-Separated) Single-Lane | 2011 | Open December 2011. | 
| Mulvane,
                KS Sumner Co. United States | E 119th St. connector / (casino access) / I-35 SB Ramps (Kansas Turnpike) (37.47137, -97.32445) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 70.1040 | Freeway Ramps (Grade-Separated) Single-Lane | 2011 | Open December 2011. | 
| Commerce City,
                CO Adams Co. United States | E 121st Ave. / Jasper St. (39.91627, -104.80425) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2003 | |
| Draper,
                UT Salt Lake Co. United States | E 12200 S / S 450 E (40.52807, -111.87785) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2013 | Year Completed estimated (2013-2014). | 
| Thornton,
                CO Adams Co. United States | E 122nd Ave. / Roslyn St. (39.91776, -104.90064) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2006 | Year Completed estimated (2005-2006). | 
| Fishers,
                IN Hamilton Co. United States | E 126th St. / Ford Dr. / Windsor Dr. (39.97158, -86.00638) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | https://www.fishers.in.us/DocumentCenter/View/23178/126th-St--Ford-Dr-Roundabout | 
| Carmel,
                IN Hamilton Co. United States | E 126th St. / Keystone Pkwy. NB Ramps (39.97122, -86.11223) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.7200 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2009 | Right-turn-only lane on south leg. Raindrop shaped. Part of tight diamond interchange. | 
| Carmel,
                IN Hamilton Co. United States | E 126th St. / Keystone Pkwy. SB Ramps (39.97122, -86.11327) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.7200 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2009 | Right-turn-only lane on north leg. Raindrop shaped. Part of tight diamond interchange. | 
| Carmel,
                IN Hamilton Co. United States | E 126th St. / Kinzer Ave. (39.97112, -86.11843) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 32.9506 | Other (At-Grade) Single-Lane | 2017 | One approach stubbed off. ICD estimated from Google Maps linework. | 
| Fishers,
                IN Hamilton Co. United States | E 126th St. / Parkside Dr. (39.97151, -86.00031) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.6116 | Unknown Multilane (2 Lane, unspecified) | 2019 | Includes newly constructed roadway to the south, so 4 approaches is correct. ICD estimated from Google Maps linework. | 
| Fishers,
                IN Hamilton Co. United States | E 126th St. / SR 37 NB Ramps (39.97167, -86.00332) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Unknown | 2020 | https://twitter.com/INDOTEast/status/1329572863540662274 | 
| Fishers,
                IN Hamilton Co. United States | E 126th St. / SR 37 SB Ramps (39.97164, -86.00418) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Unknown | 2020 | https://twitter.com/INDOTEast/status/1329572863540662274 | 
| East Chicago,
                IN Lake Co. United States | E 129th St. / Dickey Rd. / Hembroff St. / Broad St. (41.66094, -87.46708) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 39.6240 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | https://www.nwitimes.com/news/local/lake/east-chicago/east-chicago-finishing-up-dickey-road-roundabout-moving-forward-with-3-5-million-streetscape-improvement/article_71ab472c-adff-52aa-b47c-b5c2b166826a.html | 
| Emmett,
                ID Gem Co. United States | E 12th St. / S Johns Ave. (43.86461, -116.49276) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 18.2880 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2021 | https://www.idahopress.com/emmett/news/new-roundabouts-may-require-some-pedestrian-and-driver-attention/article_17cceadd-1eb7-5959-8c8b-697d05289a4e.html | 
| Spanish Fork,
                UT Utah Co. United States | E 130 N / N 2000 E / N 2040 E (40.11168, -111.62006) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 25.9080 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Fishers,
                IN Hamilton Co. United States | E 131st St. / Cumberland Rd. (39.97898, -85.99429) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 41.1836 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Fishers,
                IN Hamilton Co. United States | E 131st St. / Howe Rd (39.97895, -85.98006) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2025 | Opened August 9, 2025. | 
| Fishers,
                IN Hamilton Co. United States | E 131st St. / Lantern Rd. (39.97875, -86.01409) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 33.8622 | Other (At-Grade) Single-Lane | 2012 | Year Completed estimate (2009-2012). ICD estimated from Google Maps linework. | 
| Fishers,
                IN Hamilton Co. United States | E 131st St. / SR 37 NB Ramps (39.97893, -86.00339) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2022 | Raindrop shaped. Opened July 2022. | 
| Fishers,
                IN Hamilton Co. United States | E 131st St. / SR 37 SB Ramps (39.97889, -86.00413) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2022 | Raindrop shaped. | 
| Carmel,
                IN Hamilton Co. United States | E 136st St. / Illinois St. / Oak Ridge Rd. (39.98517, -86.14590) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2006 | |
| Fishers,
                IN Hamilton Co. United States | E 136th St. / (parking) (39.98777, -85.92893) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2010 | Entrance to medical center. | 
| Fishers,
                IN Hamilton Co. United States | E 136th St. / Hamilton Commons Blvd. (39.98705, -85.92221) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | |
| Carmel,
                IN Hamilton Co. United States | E 136th St. / Keystone Pkwy NB Ramps (39.98598, -86.11404) | Roundabout Existing | All-Way Yield Metering Signal | 3 Approaches 0 Driveways 38.1000 | Freeway Ramps (Grade-Separated) Single-Lane | 2009 | Part of tight diamond interchange with raindrop shape central island. Modified in 2016-2017 to add metering signals. Northbound ramp from Keystone Pkwy has a metering signal (PHB) that activates during peak hours when triggered by a long westbound queue. Eastbound approach has a metering signal (PHB) that activates during peak hours when triggered by a long northbound queue. 21442 | 
| Carmel,
                IN Hamilton Co. United States | E 136th St. / Keystone Pkwy SB Ramps (39.98581, -86.11488) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 31.1134 | Freeway Ramps (Grade-Separated) Single-Lane | 2009 | Part of tight diamond interchange with raindrop shape central island. ICD estimated from Google Maps linework. | 
| Fishers,
                IN Hamilton Co. United States | E 136th St. / Minden Dr. (39.98701, -85.92563) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Single-Lane | 2009 | |
| Fishers,
                IN Hamilton Co. United States | E 136th St. / Southeastern Pkwy. / (unknown) (39.98700, -85.91258) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.5184 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | Intersection moved about 500 feet east. ICD estimated from Google Maps linework. | 
| Thornton,
                CO Adams Co. United States | E 138th Ave. / Jersey St. (39.94800, -104.91939) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Thornton,
                CO Adams Co. United States | E 138th Ave. / Lilac St. (39.94771, -104.91419) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Thornton,
                CO Adams Co. United States | E 141st Ave. / Forest St. (39.95341, -104.92769) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.0040 | Other (At-Grade) Single-Lane | 2017 | Year Completed estimated (2015-2017). | 
| Noblesville,
                IN Hamilton Co. United States | E 141st St. / Breakthrough Dr. (39.99472, -85.91414) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2025 | Located in Noblesville Event Center. https://nobport.cityofnoblesville.org/maps/PublicViewer.html. | 
| Noblesville,
                IN Hamilton Co. United States | E 141st St. / Brooks School Rd. (39.99288, -85.93818) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 34.7702 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Fishers,
                IN Hamilton United States | E 141st St. / Prairie Lakes Blvd. S / Old Oak Dr. (39.99352, -86.00093) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | Open November 27, 2024. E 141st Street is the boundary between Fishers and Noblesville. | 
| Noblesville,
                IN Hamilton Co. United States | E 141st St. / Promise Rd. (39.99383, -85.97090) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | Open August 30, 2024. https://www.noblesville.in.gov/topic/subtopic.php?topicid=645&structureid=1 | 
| Thornton,
                CO Adams Co. United States | E 142nd Dr. / Adams St. / St Paul St. (39.95444, -104.94953) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2006 | |
| Lawrence,
                KS Douglas Co. United States | E 1450 Rd. / I-70 Ramps (38.99456, -95.22959) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 73.1520 | Freeway Ramps (Grade-Separated) Single-Lane | 2011 | Replaced trumpet interchange. | 
| Thornton,
                CO Adams Co. United States | E 145th Ave. / Fairfax Dr. (39.95991, -104.92845) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2019 | Year Completed estimated (2018-2019). | 
| Westfield,
                IN Hamilton Co. United States | E 151st St. / Carey Rd. (40.00756, -86.10869) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Single-Lane | 2009 | |
| Westfield,
                IN Hamilton Co. United States | E 151st St. / Cool Creek Park Rd. (40.00753, -86.12267) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2012 | Painted spirals next to central island. | 
| Westfield,
                IN Hamilton Co. United States | E 151st St. / Market Center Dr. (40.00750, -86.09196) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2008 | |
| Westfield,
                IN Hamilton Co. United States | E 151st St. / Westfield Blvd. (40.00793, -86.13049) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 43.9105 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Belton,
                MO Jackson Co. United States | E 155th St. / I-49-US 71 NB Ramps / E Frontage Rd. (38.84346, -94.52822) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 54.8640 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Part of diverging diamond interchange (DDI). Opened November-December 2017. | 
| Lawrence,
                KS Douglas Co. United States | E 1600 Rd. / N 1300 Rd. / O'Connell Rd. / E 31st St. (38.92817, -95.20495) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.1960 | Other (At-Grade) Single-Lane | 2015 | |
| Westfield,
                IN Hamilton Co. United States | E 161st St. / Carey Rd. (40.02225, -86.10884) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 41.1575 | Other (At-Grade) Single-Lane | 2015 | Year Completed estimated (2014-2015). ICD estimated from Google Maps linework. | 
| Westfield,
                IN Hamilton Co. United States | E 161st St. / Far Hills Dr. (40.02170, -86.13441) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2013 | Series of 3 roundabouts. Painted spirals next to central island. | 
| Westfield,
                IN Hamilton Co. United States | E 161st St. / Oak Rd. (40.02210, -86.11823) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Opened December 7, 2023. https://www.westfield.in.gov/egov/documents/1618489074_62055.pdf | 
| Westfield,
                IN Hamilton Co. United States | E 161st St. / Oak Ridge Rd. (40.02128, -86.14607) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 46.6458 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2016 | ICD estimated from Google Maps linework. | 
| Westfield,
                IN Hamilton Co. United States | E 161st St. / US 31 NB Ramps (40.02195, -86.13092) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 50.2920 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2013 | Raindrop shaped. Series of 3 roundabouts. | 
| Westfield,
                IN Hamilton Co. United States | E 161st St. / US 31 SB Ramps (40.02183, -86.13259) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 50.2920 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2013 | Raindrop shaped. Series of 3 roundabouts. | 
| Westfield,
                IN Hamilton Co. United States | E 161st St. / Westfield Blvd. / S Union St. (40.02203, -86.12753) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2022 | Opened August 1, 2022. | 
| Thornton,
                CO Adams Co. United States | E 162nd Ave. / Grant St. / (parking) (39.98980, -104.98308) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2007 | |
| Thornton,
                CO Adams Co. United States | E 163rd Ave. / Elizabeth St. (39.99121, -104.95523) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2017 | Year Completed estimated (2017-2018). | 
| Noblesville,
                IN Hamilton Co. United States | E 166th St. / Union Chapel Rd. (40.03043, -85.97597) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.5540 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Year Completed estimated (2010-2012). ICD estimated from Google Maps linework. | 
| Lochbuie,
                CO Adams Co. United States | E 168th Ave. / Frontage Rd. (40.00051, -104.71769) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2020 | Ellipitcal shaped. ICD = 170 ft x 140 ft. | 
| Logan,
                UT Cache Co. United States | E 1800 N / N 200 E (41.76492, -111.82867) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5240 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Year Completed estimated (2009-2011). ICD estimated from Google Maps linework. | 
| Westfield,
                IN Hamilton County United States | E 181st St. / Wheeler Rd. (40.04993, -86.14190) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2025 | https://mcusercontent.com/3b4615471287568023972d947/images/43b7e87b-2e4c-c0a5-c283-57fe838db290.jpg | 
| Westfield,
                IN Hamilton Co. United States | E 186th St. / Grand Park Blvd. (40.05712, -86.14680) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 45.7072 | Other (At-Grade) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| Sioux Falls,
                SD Minnehaha Co. United States | E 18th St. / S Highline Pl. / S Highline Ave. (43.53603, -96.65424) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2019 | Right-turn-only lanes on all legs. Year Completed estimated (2018-2020). | 
| Westfield,
                IN Hamilton Co. United States | E 191st St. / Chad Hittle Dr. (40.06468, -86.13217) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | https://www.westfield.in.gov/egov/apps/document/center.egov?view=item;id=3499#:~:text=191st%20Street%20and%20Chad%20Hittle%20Drive%20Roundabout https://mobile.twitter.com/TravelWestfield/status/1580319271162290176 | 
| Noblesville,
                IN Hamilton Co. United States | E 191st St. / Grassy Branch Rd (40.06496, -86.10925) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | Opened October 4, 2022. https://hamiltoncounty.in.gov/1217/191st-Grassy-Branch-Intersection-Improve https://www.flickr.com/photos/hamiltoncountyhighway/albums/72157695390259740/with/52405191400/ | 
| Westfield,
                IN Hamilton Co. United States | E 191st St. / N East St. (40.06496, -86.12337) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 44.7879 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Westfield,
                IN Hamilton Co. United States | E 191st St. / Tomlinson Rd. (40.06436, -86.13710) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 40.2180 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2015 | ICD estimated from Google Maps linework. | 
| Westfield,
                IN Hamilton Co. United States | E 191st St. / US 31 NB Ramps (40.06492, -86.12716) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 41.1317 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2015 | ICD estimated from Google Maps linework. | 
| Westfield,
                IN Hamilton Co. United States | E 191st St. / US 31 SB Ramps (40.06472, -86.12871) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 41.1318 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2015 | ICD estimated from Google Maps linework. | 
| Westfield,
                IN Hamilton Co. United States | E 196th St. / Chad Hittle Rd. / Chatham Hills Blvd. (40.07194, -86.13365) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2024 | Left-turn-only lane on east leg. Right-turn-only lane on south leg. | 
| Noblesville,
                IN Hamilton Co. United States | E 196th St. / Hague Rd. (40.07247, -86.03322) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 37.4714 | Other (At-Grade) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| Wichita,
                KS Sedgwick Co. United States | E 19th St. / Chateau Pkwy. (37.71900, -97.21668) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 34.9553 | Other (At-Grade) Single-Lane | 2007 | One-stage pedestrian crossing on west leg. Year Completed estimated (2006-2008). ICD estimated from Google Maps linework. | 
| Chico,
                CA Butte Co. United States | E 1st St. / E 2nd St. / Camelia Way (39.73168, -121.83847) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 32.0040 | Other (At-Grade) Single-Lane | 2013 | Designed in tandem with conversion of First and Second Streets to a one-way couplet. Completed 2013. | 
| Tucson,
                AZ Pima County United States | E 1st St. / N 1st Ave. (32.23428, -110.96102) | Traffic Calming Circle Existing | All-Way Stop Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Greenfield,
                IN Hancock Co. United States | E 200 N / N Franklin St. (39.81371, -85.78994) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2013 | Yield-controlled right-turn bypass lanes on north and south legs. Skewed intersection. Year Completed estimated (2012-2013). | 
| East Side,
                CO Boulder Co. United States | E 21st Ave. / Alpine St. (40.19588, -105.08752) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2005 | Year Completed estimated (2004-2005). |