| 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 | Buttonwood Dr. / Bayberry Ct. (39.95749, -86.11220) | Other Existing | Uncontrolled Unknown | 4 Approaches 2 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Carmel,
                IN Hamilton Co. United States | Sedgemoor Cir. / Sedgemoor Cir. (39.94523, -86.21991) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands on north and east legs. | |
| Carmel,
                IN Hamilton Co. United States | Stanhope St. / Treaty Line St. (39.97072, -86.20135) | Other Existing | All-Way Yield Unknown | 2 Approaches 2 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Carmel,
                IN Hamilton Co. United States | 10th St. NW / 1st Ave. NW (39.98663, -86.12875) | Other Existing | Uncontrolled Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Carmel,
                IN Hamilton Co. United States | Milgate Dr. / Matt St. (39.99149, -86.11741) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2024 | Painted splitter islands. | 
| Carmel,
                IN Hamilton Co. United States | West Park West (39.95713, -86.21220) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2019 | Year Completed estimated (2018-2020). East leg added 2021. | 
| Carmel,
                IN Hamilton Co. United States | Twain Dr. / Grisham Dr. (39.98990, -86.11497) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 18.2880 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2024 | Painted splitter islands. | 
| Napa,
                CA Napa Co. United States | Soscol Ferry Rd. / SR 221 / SR 12 EB Ramps (38.24117, -122.26975) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 47.2440 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2024 | https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/soscol-junction | 
| Napa,
                CA Napa Co. United States | SR 221 (Napa Vallejo Hwy.) / SR 12 WB Entrance Ramp (38.24207, -122.26930) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 44.1960 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2024 | https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/soscol-junction | 
| Fulshear,
                TX Fort Bend Co. United States | Lou Waters Pkwy. / Pecan Knoll Dr. (29.69889, -95.92400) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2024 | |
| Austin,
                TX Travis Co. United States | S Pleasant Valley Rd. / Teri Rd. (30.19701, -97.74418) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 28.9560 | Other (At-Grade) Single-Lane | 2024 | |
| American Canyon,
                CA Napa Co. United States | Devlin Rd. / Boone Dr. / (parking) (38.20182, -122.26679) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2022 | |
| Bryan,
                TX Brazos Co. United States | Esther Blvd. / Bennett St. (30.65622, -96.35323) | Roundabout Removed | All-Way Yield None | 3 Approaches 0 Driveways 15.2400 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2021 | Oval shaped. Year Completed estimated (2017-2019). Year Removed estimated (2019-2022). ICD = 50 ft x 38 ft. | 
| Val-d’Or,
                QC La Vallée-de-l'Or Regional County Municipality Canada | Boulevard Barrette / 7e Rue (48.08434, -77.79004) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2024 | Completed October 2024. https://www.ville.valdor.qc.ca/fr/nouvelles/inauguration-du-nouveau-carrefour-giratoire-a-l-intersection-du-boul-barrette-et-de-la-7e-rue A news article: https://www.lecitoyenrouynlasarre.com/article/2024/05/27/7e-rue%E2%80%AF-un-carrefour-giratoire-pret-d-ici-la-mi-septembre | 
| Val d'Or,
                QC Abitibi-Témiscamingue Region Canada | Boulevard Tetrault / Chemin Sullivan (48.11272, -77.82042) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 50.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2003 | Merging right-turn bypass lanes on north and south legs. Widened from single-lane to 2x2 and RRFB added to west leg in 2024 | 
| Marion,
                OH Marion Co. United States | SR 98 (Columbus-Sandusky Rd. S) / SR 529 (Marion-Cardington Rd. E) (40.54939, -83.05017) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2023 | Year Completed estimated (2021-2024). | 
| Richmond,
                ON Ottawa Canada | Perth St. / Oldenburg Ave. / Meynell Rd. (45.18764, -75.84949) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2024 | https://www.ctvnews.ca/ottawa/article/richmond-residents-frustrated-by-roundabout-construction/ | 
| Santa Fe,
                NM Santa Fe Co. United States | Beckner Rd. / Calle de la Alegria (35.62406, -106.00463) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Single-Lane | 2024 | Year Completed estimated (2023-2024). | 
| Winnipeg,
                MB Division 11 Canada | St Marys Rd. / Perimeter Hwy. WB Ramps (49.79669, -97.11296) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Single-Lane | 2024 | |
| Winnipeg,
                MB Division 11 Canada | St Marys Rd. / Perimeter Hwy. EB Ramps (49.79151, -97.10948) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Single-Lane | 2024 | |
| (unincorporated),
                TX Fort Bend Co. United States | Bissonnet St. / Trillium Glade Dr. (29.67321, -95.70169) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2025 | |
| Summerville,
                SC Berkeley Co. United States | Millhouse Dr. / Holiday Dr. (33.04703, -80.16190) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://www.facebook.com/TownofSummervilleSC/posts/there-have-been-inquiries-regarding-the-recent-change-in-traffic-flow-at-the-hol/784110397246615/ | 
| Polk,
                OH Ashland Co. United States | US 42 / SR 302 (40.91407, -82.19348) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://www.transportation.ohio.gov/projects/projects/114065 | 
| Polk,
                OH Ashland Co. United States | SR 89 / SR 302 (40.92046, -82.21449) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://www.transportation.ohio.gov/projects/projects/114065 | 
| San Diego,
                CA San Diego Co. United States | Del Sol Blvd. / Kostner Dr. (32.57352, -117.04353) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2024 | https://www.facebook.com/CityofSanDiego/posts/the-roundabout-at-del-sol-blvd-and-kostner-dr-in-otay-mesa-is-complete-roundabou/977702851059733/ | 
| Radcliff,
                KY Hardin Co. United States | Ernest R Kouma Blvd. / Cowley Crossing Ln. / Saratoga Ln. (37.78250, -85.92608) | Other Existing | Uncontrolled None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Danville,
                KY Boyle Co. United States | Fairgrounds Rd. / Excellence Ave. (37.65389, -84.79933) | Other Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Painted splitter islands on south and west legs; no splitter island on east leg. | |
| Nantucket,
                MA Nantucket Co. United States | Main St. / Gully Rd. / Elbow Ln. (41.26197, -69.96497) | Other Existing | Uncontrolled Unknown | 3 Approaches 1 Driveways 0.0000 | Other (At-Grade) Single-Lane | Angled parking and bus stop on circulatory roadway. No splitter islands on east and south legs. | |
| Hemel Hempstead,
                England Herts United Kingdom | A4251 (London Rd.) / A4146 (Station Rd.) (51.74301, -0.48452) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Hemel Hempstead,
                England Herts United Kingdom | A4251 (London Rd.) / Fishery Rd. (51.74305, -0.49149) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 1 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Hemel Hempstead,
                England Herts United Kingdom | A4251 (London Rd.) / A41 EB Ramps (51.74489, -0.51312) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | ||
| Hemel Hempstead,
                England Herts United Kingdom | A414 (Two Waters Way) / A41 EB Ramps (51.73648, -0.47996) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | Raindrop shaped. | |
| Hemel Hempstead,
                England Herts United Kingdom | A414 (Two Waters Way) / A41 WB Ramps (51.73616, -0.48168) | Roundabout Existing | All-Way Yield Unknown | 2 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | Raindrop shaped. | |
| Hemel Hempstead,
                England Herts United Kingdom | A414 (Saint Albans Rd.) / Jarman Way (51.74980, -0.45562) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, 2x2 max) | Through bypass lane on west leg. | |
| Hemel Hempstead,
                England Herts United Kingdom | A414 (Saint Albans Rd.) / White Hart Rd. / Bennetts End Rd. (51.74958, -0.45123) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | Left-turn-only lane on east and west legs. | |
| Hemel Hempstead,
                England Herts United Kingdom | A414 (Saint Albans Rd. / Breakspear Way) / A4147 (Leverstock Green Way / Maylands Ave.) (51.75379, -0.43624) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | Left-turn add-lane bypass lanes on north and south legs. Left-turn-only lanes on east and west legs. | |
| Hemel Hempstead,
                England Herts United Kingdom | A4251 (London Rd.) / A41 WB Ramps (51.74372, -0.51106) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | ||
| Hemel Hempstead,
                England Herts United Kingdom | A414 (Breakspear Way) / Green Ln. (51.75630, -0.42355) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | ||
| Hemel Hempstead,
                England Herts United Kingdom | (Breakspear Park entrance) / (parking) (51.75549, -0.42416) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Single-lane w/ Traversable Central Island | ||
| Hemel Hempstead,
                England Herts United Kingdom | Green Ln. / Boundary Way (51.76027, -0.42309) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Hemel Hempstead,
                England Herts United Kingdom | Boundary Way / Buncefield Ln. / (parking) (51.76062, -0.42889) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Hemel Hempstead,
                England Herts United Kingdom | Green Ln. / Cherry Tree Ln. / Hogg End Ln. (51.76618, -0.42265) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Hemel Hempstead,
                England Herts United Kingdom | A4147 (Swallowdale Ln. / Maylands Ave.) / Swallowdale Ln. / Eastman Way (51.76690, -0.44389) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Hemel Hempstead,
                England Herts United Kingdom | A4147 (Redbourn Rd. / Swallowdale Ln.) / High Street Green / Queensway (51.76548, -0.44808) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | Left-turn bypass lanes on west and south legs. | |
| Hemel Hempstead,
                England Herts United Kingdom | A4147 (Link Rd. / Redbourn Rd.) / B487 (Redbourn Rd.) / Saint Agnells Ln. (51.77084, -0.44894) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Hemel Hempstead,
                England Herts United Kingdom | A4147 (Link Rd.) / Cambrian Way / Aycliffe Dr. (51.76921, -0.45691) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Hemel Hempstead,
                England Herts United Kingdom | A4147 (Link Rd.) / Piccotts End Rd. (51.76574, -0.47503) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Hemel Hempstead,
                England Herts United Kingdom | A4146 (Leighton Buzzard Rd.) / A4147 (Link Rd.) / B440 (Leighton Buzzard Rd.) / Galley Hill (51.76563, -0.47949) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Hemel Hempstead,
                England Herts United Kingdom | A4146 (Leighton Buzzard Rd.) / Queensway / Warners End Rd. (51.75713, -0.47560) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, 2x2 max) | Left-turn-only lanes on all legs. | |
| Hemel Hempstead,
                England Herts United Kingdom | Queensway / Marlowes (51.75735, -0.47277) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Hemel Hempstead,
                England Herts United Kingdom | Leighton Buzzard Rd. / Combe St. (51.75370, -0.47514) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Brentwood,
                TN Williamson Co. United States | Holly Tree Gap Rd. / Murray Ln. (36.01571, -86.84598) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 32.0040 | Other (At-Grade) Single-Lane | 2024 | https://www.instagram.com/cityofbrentwoodtn/p/C-GqsY-MLk0/?img_index=3 | 
| Mount Juliet,
                TN Wilson Co. United States | Baird Farms Blvd. / Caroline Way / Ella Ln. / (parking) (36.16181, -86.49629) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2017 | |
| Tumwater,
                WA Thurston Co. United States | Crosby Blvd. SW / Barnes Blvd. SW / Barnes Ct. SW (47.01940, -122.92616) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 24.3840 | Other (At-Grade) Single-Lane | 2021 | Painted splitter island on west leg. Year Completed estimated (2020-2021). | 
| McCalla,
                AL Jefferson Co. United States | 4th Ave. SW (Old Tuscaloosa Hwy.) / Lowetown Rd. (33.29639, -87.06038) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 76.2000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2025 | Turbo roundabout. https://www.wbrc.com/2025/02/05/jefferson-county-welcomes-nations-3rd-turbo-roundabout/ | 
| Hoover,
                AL Jefferson Co. United States | Main St. / Creekside Ave. (33.37445, -86.81575) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2006 | Right-turn-only arrows on entries. Year Completed estimated (2005-2006). | 
| Highland Lakes,
                AL Shelby Co. United States | Highland Village Trl. / Highland Village Dr. (33.40922, -86.63478) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2006 | |
| Birmingham,
                AL Jefferson Co. United States | Liberty Pkwy. / (parking) (33.47619, -86.70359) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2018 | |
| Vestavia Hills,
                AL Jefferson Co. United States | Liberty Pkwy. / Liberty Rd. (33.47421, -86.69406) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2021 | Year Completed estimated (2019-2021). | 
| Clarksville,
                TN Montgomery Co. United States | Kirkwood Rd. / Campus Dr. (36.56643, -87.20339) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2023 | Year Completed estimated (2022-2023). | 
| Grand Island,
                NE Hall Co. United States | Prairieview St. / Ring Rd. (40.88405, -98.37980) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2019 | Year Completed estimated (2016-2020). | 
| Grand Island,
                NE Hall Co. United States | Rae Rd. / Prairieview Rd. / James Rd. (40.88074, -98.37995) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2019 | Right-turn-only lane on east leg. Year Completed estimated (2016-2020). | 
| Grand Island,
                NE Hall Co. United States | Norseman Ave. / Ebony Ln. (40.94204, -98.39270) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4320 | Other (At-Grade) Single-Lane | 2011 | Street light pole in central island. Year Completed estimated (2010-2011). | 
| Fairview,
                MT Richland Co. United States | SR 200 / SR 201 (47.86229, -104.04312) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://www.roundupweb.com/story/2024/11/06/news/construction-substantially-complete-on-fairview-west-project/21482.html | 
| Richmond,
                KY Madison Co. United States | Bowerwood Dr. / Richwood Blvd. (37.73604, -84.28621) | Other Existing | Uncontrolled None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Westlake,
                AL Mobile Co. United States | Jeff Hamilton Rd. / Johnson Rd. (30.62752, -88.29247) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | Opened October 20, 2024. https://www.mobilecountyal.gov/road-closings/new-roundabout-opened-johnson-road-w-jeff-hamilton-road/ | 
| Cambridge,
                ON Wellington Canada | Hespeler Rd. / Kossuth Rd. / CR 124 / (unknown) (43.47206, -80.30539) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 58.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2019 | Year Completed estimated (2018-2019). | 
| Elmira,
                ON Waterloo Canada | William St. / Country Club Estates Dr. (43.60393, -80.57176) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0000 | Other (At-Grade) Single-Lane | 2015 | Year Completed estimated (2014-2016). | 
| Bowling Green,
                KY Warren Co. United States | Ken Bale Blvd. / Middle Bridge Rd. W (36.95185, -86.41547) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2022 | |
| Bowling Green,
                KY Warren Co. United States | Fieldstone Blvd. / Cave Springs Ave. (36.92962, -86.42874) | Other Existing | All-Way Stop None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Bowling Green,
                KY Warren Co. United States | Chasefield Ave. / Andover St. (36.93716, -86.43202) | Other Existing | All-Way Yield None | 3 Approaches 1 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Kennewick,
                WA Benton Co. United States | W Deschutes Ave. / N Colorado St. (46.21261, -119.22344) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2024 | https://www.youtube.com/watch?v=FWq2ItERef0 (view of roundabout at 1:14 in video) | 
| McKinney,
                TX Collin Co. United States | E Louisiana St. / Greenville Rd. (33.19718, -96.60968) | Roundabout Existing | All-Way Yield None | 3 Approaches 2 Driveways 33.5277 | Other (At-Grade) Single-Lane | 2024 | One of the driveways serves as emergency access only. | 
| Valdosta,
                GA Lowndes Co. United States | SR 31 (Madison Hwy.) / I-75 NB Ramps (30.75206, -83.27321) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Unknown | 2025 | https://valdostatoday.com/news-2/local/2025/02/lowndes-i75-exit-11-traffic-to-begin-using-roundabouts/ | 
| Valdosta,
                GA Lowndes Co. United States | SR 31 (Madison Hwy.) / I-75 SB Ramps (30.75023, -83.27416) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Unknown | 2025 | https://valdostatoday.com/news-2/local/2025/02/lowndes-i75-exit-11-traffic-to-begin-using-roundabouts/ | 
| Lake Park,
                GA Lowndes Co. United States | Lake Park Bellville Rd. / I-75 NB Ramps (30.64409, -83.18847) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Unknown | 2022 | https://wfxl.com/news/local/traffic-pattern-change-expected-in-lowndes-county-on-i-75-exit-2 | 
| Lake Park,
                GA Lowndes Co. United States | Lake Park Bellville Rd. / I-75 SB Ramps (30.64297, -83.18993) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | https://wfxl.com/news/local/traffic-pattern-change-expected-in-lowndes-county-on-i-75-exit-2 | 
| Bowling Green,
                KY Warren Co. United States | Frist Blvd. / Hub Blvd. (36.96968, -86.40929) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2019 | |
| Bowling Green,
                KY Warren Co. United States | Frist Blvd. / Golden Autumn Way (36.96509, -86.40386) | Other Existing | All-Way Yield None | 2 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | Lane change required to make left turn. | 
| Rogers,
                AR Benton Co. United States | S Pinnacle Hills Pkwy. / W JB Hunt Dr. (36.30245, -94.18936) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.0040 | Other (At-Grade) Single-Lane | 2023 | Yield-controlled right-turn bypass lanes on north and south legs. https://www.youtube.com/watch?v=fxI71JbGsVk | 
| Rogers,
                AR Benton Co. United States | S Pinnacle Hills Pkwy. / S Champions Dr. (36.30103, -94.18902) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2023 | https://www.youtube.com/watch?v=fxI71JbGsVk | 
| Richmond Hill,
                GA Bryan Co. United States | GA 144 / Belfast River Rd. / Captain Matthew Freeman Dr. (31.88082, -81.26192) | Roundabout Unknown | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2015 | Yield-controlled right-turn bypass lanes on north, east, and south legs included in permanent construction. Initial construction 2015 as temporary roundabout; permanent construction completed 2022. | 
| Shelby,
                NC Cleveland Co. United States | NC-150 (Cherryville Rd.) / Shelby Bypass WB Ramps (35.31432, -81.48908) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 48.7680 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2024 | Year Completed estimated (2022-2024). | 
| Shelby,
                NC Cleveland Co. United States | NC-150 (Cherryville Rd.) / Shelby Bypass EB Ramps (35.31324, -81.49081) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 48.7680 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2024 | Year Completed estimated (2022-2024). | 
| Shelby,
                NC Cleveland Co. United States | NC-150 (Cherryville Rd.) / NC-180 (N Post Rd.) (35.31228, -81.49215) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2024 | Left-turn-only lane on northeast leg. Year Completed estimated (2022-2024). | 
| Basehor,
                KS Leavenworth Co. United States | N 155th St. / Parallel Rd. (39.12860, -94.93856) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://www.facebook.com/photo/?fbid=843322321249859&set=happy-friday-basehor-we-are-very-excited-to-share-that-the-155th-street-roundabo | 
| Macon,
                GA Bibb Co. United States | US 80-GA 22 (Eisenhower Pkwy.) / GA 361 (Fulton Mill Rd.) (32.79946, -83.75254) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2023 | Yield-controlled right-turn bypass lanes on east and west legs. | 
| Columbia,
                MO Boone Co. United States | Nocona Pkwy. / Artemis Dr. (38.89292, -92.28649) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2023 | Year Completed estimated (2022-2023). | 
| Macon,
                GA Bibb Co. United States | N Pierce Ave. / N Pierce Cir. (32.87326, -83.65562) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2015 | Year Completed estimated (2013-2015). | 
| Napa,
                CA Napa Co. United States | RiverSound Way / Kaiser Rd. (38.25745, -122.27725) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2024 | |
| Davison,
                MI Genesee Co. United States | Lapeer Rd. / Oak Rd. (43.01793, -83.49786) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://davisonindex.mihomepaper.com/articles/new-roundabout-opens/ | 
| Cecilia,
                KY Hardin Co. United States | Woodland Way / Greencrest Dr. / Lombardy Dr. / Red Sunset Blvd. (37.66056, -85.94234) | Other Existing | All-Way Yield None | 4 Approaches 1 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Shepherdsville,
                KY Bullitt Co. United States | Michelle Dr. / Lanai Dr. (37.97994, -85.66681) | Other Existing | Uncontrolled None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2006 | |
| Shepherdsville,
                KY Bullitt Co. United States | Michelle Dr. / Landon Way / Casey Ct. (37.97969, -85.66524) | Other Existing | Uncontrolled None | 5 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2006 | |
| (uninc),
                GA Paulding Co. United States | Ridge Rd. / Bob Hunton Rd. / Cohran Store Rd. (33.80461, -84.84089) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2022 | Year Completed estimated (2019-2022). | 
| Whitestown,
                IN Boone Co. United States | S Perry Worth Rd. / Sunset Way (39.95375, -86.36091) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | |
| (unincorporated),
                CO Jefferson Co. United States | US 40 / CR 65 / I-70 WB Exit Ramp (39.71621, -105.39166) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2024 | Year Completed estimated (2023-2024). https://www.codot.gov/projects/i70floydhill/earlyprojects. | 
| Evergreen,
                CO Clear Creek Co. United States | US 40 / Homestead Rd. / I-70 WB Entrance Ramp (39.72195, -105.40944) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2024 | Through bypass lane on east leg. Year Completed estimated (2023-2024). https://www.codot.gov/projects/i70floydhill/earlyprojects. | 
| Ettlingen,
                Baden-Württemberg Karlsruhe Germany | Karlsruher Straße / Pforzheimer Straße / Schillerstraße / Scheffelstraße (48.94361, 8.40786) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Ettlingen,
                Baden-Württemberg Karlsruhe Germany | Karlsruher Straße / Huttenkreuzstraße / Pulvergartenstraße (48.94604, 8.40715) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane |