| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Etna Township,
                OH Licking Co. United States | Refugee Rd. SW / Mink St. SW (39.97410, -82.72878) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2024 | https://www.yahoo.com/news/refugee-road-reopens-11-2-100110827.html | 
| Etna Township,
                OH Licking Co. United States | Refugee Rd. SW / Etna Pkwy. (39.97301, -82.70600) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://www.yahoo.com/news/refugee-road-reopens-11-2-100110827.html | 
| Groveport,
                OH Franklin Co. United States | SR 317 (London-Groveport Rd.) / Rohr Rd. (39.84050, -82.90935) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2023 | Yield-controlled right-turn bypass lanes on north and south legs. https://www.groveport.org/CivicAlerts.aspx?AID=355&ARC=1054 | 
| Union,
                OH Montgomery Co. United States | Dog Leg Rd. / Union Airpark Blvd. / Martindale Rd. (39.89519, -84.25501) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Merging right-turn bypass lane on south leg. Yield-controlled right-turn bypass lane on west leg. Designed for future double-left-turn on east leg. https://www.daytondailynews.com/local/new-roundabout-at-union-airpark-blvd-and-dog-leg-road/44be0409-4bf4-4c75-abdd-b5d18f213524/ | 
| Mason,
                OH Warren Co. United States | Mason Rd. / Snider Rd. (39.36683, -84.33156) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2020 | https://www.facebook.com/permalink.php/?story_fbid=1335531209989457&id=274998889376033 | 
| Mason,
                OH Warren Co. United States | Snider Rd. / Thornberry Ct. (39.35436, -84.33159) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2020 | https://www.facebook.com/permalink.php/?story_fbid=1335531209989457&id=274998889376033 | 
| Evendale,
                OH Hamilton Co. United States | Aviation Way / (parking) (39.25152, -84.44081) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 57.9120 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2018 | |
| Evendale,
                OH Hamilton Co. United States | Aviation Way / Evendale Dr. (39.24957, -84.44120) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2020 | Double left turn on west leg. | 
| Evendale,
                OH Hamilton Co. United States | Neumann Way / Evendale Dr. (39.24668, -84.44092) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2020 | Year Completed estimated (2019-2020). | 
| Union Township,
                OH Clermont Co. United States | Aicholtz Rd. / Eastgate Square Dr. (39.08921, -84.27161) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2023 | https://goclermont.org/cctid-project/aicholtz-road-roundabouts/ | 
| Union Township,
                OH Clermont Co. United States | Glen Este Withamsville Rd. / (Eastgate Square Dr.) (39.08843, -84.26883) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2024 | https://goclermont.org/cctid-project/aicholtz-road-roundabouts/ | 
| Union Township,
                OH Clermont Co. United States | Glen Este Withamsville Rd. / Ilium Ave. (39.08835, -84.26464) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://goclermont.org/cctid-project/aicholtz-road-roundabouts/ | 
| Edmonton,
                AB Division 11 Canada | 70 St. SW / Summerside Grande Blvd. SW (53.41761, -113.45119) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 32.0000 | Other (At-Grade) Single-Lane | 2008 | Year Completed estimated (2002-2008). | 
| Edmonton,
                AB Division 11 Canada | Terwillegar Blvd NW / Tory Rd. NW (53.44470, -113.56948) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 26.0000 | Other (At-Grade) Single-Lane | 2004 | Year Completed estimated (2002-2004). | 
| Lakeville,
                MN Dakota Co. United States | 185th St. W / Highview Ave. (44.68129, -93.23745) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2023 | https://www.facebook.com/sehinc/videos/-view-from-a-drone-185th-street-roadway-extension-in-lakeville-minnesota-roadway/928613455591395/ | 
| Hernando,
                MS De Soto Co. United States | US 51 / W Oak Grove Rd. (34.81591, -89.99366) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://www.youtube.com/watch?v=DyREbRKFmQQ | 
| Waynesboro,
                GA Burke Co. United States | GA 24-GA 80 / GA 56 / Lovers Ln. (33.08492, -82.03795) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2025 | https://www.youtube.com/watch?v=_HsuxBbR5ds | 
| 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). | 
| 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.) / 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). | 
| Marion,
                OH Marion Co. United States | SR 309 (Harding Hwy. W) / Marion-Williamsport Rd. (40.60438, -83.16986) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2023 | Year Completed estimated (2021-2023). | 
| Semmes,
                AL Mobile Co. United States | Howells Ferry Rd. / Firetower Rd. (30.73919, -88.25987) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2025 | https://www.facebook.com/WKRG.News.5/posts/construction-of-a-new-roundabout-at-the-intersection-of-howells-ferry-road-and-f/1089934906506602/ | 
| Frisco,
                TX Collin Co. United States | Acacia Ave. / Gartner Rd. (33.15628, -96.74202) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.5274 | Other (At-Grade) Single-Lane | 2024 | |
| Frisco,
                TX Collin Co. United States | Acacia Ave. / Twistleaf St. (33.15767, -96.73793) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2024 | |
| Frisco,
                TX Collin Co. United States | Acacia Ave. / Birchleaf Dr. / Bearberry Dr. (33.15763, -96.73480) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5277 | Other (At-Grade) Single-Lane | 2024 | |
| Frisco,
                TX Collin Co. United States | Everwell Ln. / Durant Ln. (33.19927, -96.82178) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.1856 | Other (At-Grade) Single-Lane | 2025 | |
| Frisco,
                TX Collin Co. United States | Everwell Ln. / Forbes Dr. (33.19643, -96.82593) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.1856 | Other (At-Grade) Single-Lane | 2025 | |
| Phoenix,
                AZ Maricopa Co. United States | E Sky Crossing Way / E Bryce Ln. (33.68858, -112.00861) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 60.9600 | Other (At-Grade) Single-Lane | 2020 | Year Completed estimated (2019-2020). | 
| Phoenix,
                AZ Maricopa Co. United States | E Sky Crossing Way / N Cave Butte St. (33.68854, -112.01959) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Single-Lane | 2019 | Year Completed estimated (2018-2019). | 
| Arlington,
                VA Arlington Co. United States | Boundary Channel Dr. / I-395 SB Ramps (38.87067, -77.04839) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 48.7680 | Freeway Ramps (Grade-Separated) Single-Lane | 2024 | https://www.arlnow.com/2024/05/30/boundary-channel-drive-roundabouts-and-trail-upgrades-are-officially-complete/ | 
| Arlington,
                VA Arlington Co. United States | Boundary Channel Dr. / Jefferson Davis Hwy. / I-395 NB Ramps (38.86975, -77.04548) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 45.7200 | Freeway Ramps (Grade-Separated) Single-Lane | 2024 | https://www.arlnow.com/2024/05/30/boundary-channel-drive-roundabouts-and-trail-upgrades-are-officially-complete/ | 
| Brandenton,
                FL Manatee Co. United States | SR 64 / Lorraine Rd. / 145th St. E (27.47548, -82.39557) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2025 | https://www.mysuncoast.com/2025/04/02/state-road-64-lorraine-road-roundabout-opens-early/ | 
| Cottonwood,
                AZ Yavapai Co. United States | N Main St. / N 10th St. (34.74422, -112.01633) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2025 | Replaced offset T intersections. https://www.verdenews.com/news/main-street-roundabout-newest-addition-in-cottonwoods-148-lane-miles-of-streets/article_752e0b29-40ee-4ba4-8d37-f119acec45b8.html | 
| Bellingham,
                WA Whatcom Co. United States | W Illinois St. / Meridian St. (48.76817, -122.48609) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 18.2880 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2025 | https://cob.org/project/west-illinois-multimodal | 
| Amherst,
                NY Erie Co. United States | John James Audubon Pkwy. / I-990 WB Ramps / Alamosa Way (43.02618, -78.78262) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2023 | |
| Byron,
                GA Peach Co. United States | Centerville Rd. / Housers Mill Rd. (32.60929, -83.74792) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2025 | Replaced two offset T-intersections. | 
| Sollefteå,
                Västernorrland County Sollefteå Municipality Sweden | Cpl Sollefteå Södra / Järnvägsgatan (63.16934, 17.23922) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 57.9120 | Other (At-Grade) Single-Lane | 2008 | Constructed before 2008. | 
| Sollefteå,
                Västernorrland County Sollefteå Municipality Sweden | Rte 90 / Järnvägsgatan (63.17143, 17.25390) | Roundabout Existing | All-Way Yield Other | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2010 | Constructed before 2010. Right-turn bypass lane on northeast leg that has priority over exit from roundabout. Grade-separated pedestrian/bicycle path under east leg. | 
| Sollefteå,
                Västernorrland County Sollefteå Municipality Sweden | Rte 335 (Norra Ådalsvägen) / Kungsgatan (63.17748, 17.27527) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0520 | Other (At-Grade) Single-Lane | 2008 | Completed before 2008. | 
| Sollefteå,
                Västernorrland County Sollefteå Municipality Sweden | Rte 90 (Cpl Sollefteå Norra / Norra Ådalsvägen) / Rte 335 (Norra Ådalsvägen) (63.17855, 17.26187) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.0000 | Other (At-Grade) Single-Lane | 2008 | Constructed before 2008. | 
| Sollefteå,
                Västernorrland County Sollefteå Municipality Sweden | Järnvägsgatan / Dalvägen (63.16571, 17.27330) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 27.0000 | Other (At-Grade) Single-Lane | 2008 | Completed before 2008. | 
| Sollefteå,
                Västernorrland County Sollefteå Municipality Sweden | Dalvägen / Långgatan / Nipstadsgatan (63.16486, 17.27112) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.0000 | Other (At-Grade) Single-Lane | 2008 | Completed before 2008. | 
| Sollefteå,
                Västernorrland County Sollefteå Municipality Sweden | Rte 90 (Cpl Hågesta) WB Ramps / Söderleden / Gösta Frohms Backe / Bataljonsvägen (63.16040, 17.28886) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 44.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Elliptical shaped. ICD = 44 m x 35 m. Year Completed estimated (2016-2019). | 
| Falun,
                Dalarna County Falu kommun Sweden | Gruvrondellen: E16 / Gruvgatan (60.60195, 15.62015) | Roundabout Existing | All-Way Yield None | 4 Approaches 1 Driveways 65.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2010 | Completed before 2010. | 
| Falun,
                Dalarna County Falu kommun Sweden | Gruvgatan / Hyttgatan (60.60352, 15.62607) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 48.7680 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2006 | Completed before 2006. | 
| Falun,
                Dalarna County Falu kommun Sweden | Gruvgatan / Engelbrektsgatan (60.60416, 15.62822) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.9080 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2010 | Constructed before 2010. | 
| Falun,
                Dalarna County Falu kommun Sweden | Gruvgatan / Myntgatan (60.60446, 15.62970) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2009 | Year Completed estimated (2006-2009). | 
| Falun,
                Dalarna County Falu kommun Sweden | Gruvgatan / Korsnäsväagen / Holmtorget (60.60497, 15.63215) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 42.6720 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2010 | Completed before 2010. | 
| Falun,
                Dalarna County Falu kommun Sweden | Korsnäsvägen (60.60407, 15.63553) | Roundabout Existing | Other None | 2 Approaches 0 Driveways 27.4320 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2017 | Raindrop shaped. This is a roundabout used for U-turns only, so yield on one entry only (the approach with two lanes of through traffic have to yield to U-turning traffic). | 
| Falun,
                Dalarna County Falu kommun Sweden | Rödbrorondellen: Korsnäsvägen / Åsgatan (60.60433, 15.63895) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 48.7680 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2017 | |
| Falun,
                Dalarna County Falu kommun Sweden | Stationsrondellen: Korsnäsvägen / Södra Stationsgatan (60.60472, 15.64298) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 42.6720 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2014 | Year Completed estimated (2013-2015). | 
| Falun,
                Dalarna County Falu kommun Sweden | Korsnäsvägen / Kungsgårdsvägen (60.59940, 15.66827) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2006 | Completed before 2006. | 
| Falun,
                Dalarna County Falu kommun Sweden | Korsnäsvägen / Hälsinggårdsrondellen (60.59552, 15.68735) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.0000 | Other (At-Grade) Single-Lane | 2006 | Completed before 2006. | 
| Falun,
                Dalarna County Falu kommun Sweden | E16-Rte 69 (Korsnäsvägen) / Klingvägen (60.58927, 15.71729) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2006 | Completed 2006 or earlier. | 
| Falun,
                Dalarna County Falu kommun Sweden | Regementsvägen / Lasarettsvägen / Kasemgården (60.60697, 15.64880) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 24.0000 | Other (At-Grade) Single-Lane | 2006 | Completed in or before 2006. | 
| Falun,
                Dalarna County Falu kommun Sweden | E16-Rte 69 (Lugnetleden) / Regementsvägen (60.60976, 15.65497) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 43.0000 | Other (At-Grade) Single-Lane | 2022 | |
| Falun,
                Dalarna County Falu kommun Sweden | Högskolerondellen: E16-Rte 69 (Lugnetleden) / Svärdsjögatan (60.61211, 15.65238) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 43.0000 | Other (At-Grade) Single-Lane | 2006 | Completed in or before 2006. | 
| Falun,
                Dalarna County Falu kommun Sweden | Lugnetrondellen: E16-Rte 69 (Lugnetleden) / Lugnetvägen / Kyrkbacksvägen (60.61924, 15.64768) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.0000 | Other (At-Grade) Single-Lane | 2008 | Year Completed estimated (2006-2009). | 
| Falun,
                Dalarna County Falu kommun Sweden | E16-Rte 50-Rte 69 (Lugnetleden) / Hanröleden (60.62574, 15.61196) | Roundabout Existing | All-Way Yield Metering Signal | 3 Approaches 1 Driveways 60.9600 | Other (At-Grade) Single-Lane | 2010 | Completed in or before 2010. Other control is signal on one approach to allow emergency vehicles to enter from 'next' approach. | 
| Covington,
                GA Newton Co. United States | US 278-GA 12 / GA 11 (33.59968, -83.75056) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://www.rockdalenewtoncitizen.com/news/work-underway-on-roundabout-at-hub-junction/article_a0207ea4-6379-11ed-8ac4-f75010cb538a.html | 
| Reidville,
                SC Spartanburg Co. United States | Berry Shoals Rd. / Apple Valley Rd. (34.87688, -82.13462) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://www.facebook.com/SpartanburgCountyGovernment/posts/heads-up-drivers-beginning-on-tuesday-september-3rd-a-traffic-detour-will-go-int/884807807028082/ | 
| Frankfort,
                IN Clinton Co. United States | SR 28 / Banderas Dr. / CR 800 W (40.26283, -86.64985) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2024 | Intersection shifted approximately 250 ft east. https://www.facebook.com/FrankfortPoliceDepartment/videos/its-national-roundabout-week-here-is-a-video-of-frankforts-own-roundabout-taken-/1952011948594793/ | 
| Granville,
                OH Licking Co. United States | SR 661 (North St.) / N Pearl St. / New Burg St. (40.07743, -82.52125) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://www.thereportingproject.org/new-roundabout-will-be-ready-for-the-first-day-of-school-on-aug-21-after-a-closure-for-paving-the-night-of-aug-18/ | 
| McDonough,
                GA Henry Co. United States | Racetrack Rd. / Iris Lake Rd. / Iris Lake Village Rd. (33.43047, -84.12372) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | Year Completed estimated (2023-2025). | 
| North Dumfries,
                ON Oxford Canada | Trussler Rd. / Cedar Creek Rd. / Oxford Road 8 (43.32353, -80.49392) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2024 | https://kitchener.citynews.ca/2024/09/19/cedar-creek-trussler-road-roundabout-work-completed/ | 
| Bay City,
                MI Bay Co. United States | MacKinaw Rd. / US 10 WB Ramps (43.59677, -83.99239) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2024 | |
| Bay City,
                MI Bay Co. United States | MacKinaw Rd. / US 10 EB Ramps (43.59527, -83.99235) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2024 | |
| Clarkston,
                WA Asotin Co. United States | US 12 (Bridge St.) / Diagonal St. / 2nd St. (46.41994, -117.04045) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2025 | Replaced five-legged signalized intersection. https://www.lmtribune.com/local-news/welcome-to-clarkston-19216825 | 
| San Diego,
                CA San Diego Co. United States | Foothill Blvd. / Loring St. (32.80778, -117.24568) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2025 | Oval shaped. ICD = 130 ft x 90 ft. https://www.roadsbridges.com/road-traffic-safety/news/55241846/san-diego-builds-roundabouts-to-improve-safety | 
| Kahalu'u,
                HI Honolulu Co. United States | SR 83 (Kamehameha Hwy.) / SR 83 (Kahekili Hwy.) / SR 830 (Kamehameha Hwy.) (21.45721, -157.83809) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2025 | https://kahekiliroundabout.com/ | 
| Escondido,
                CA San Diego Co. United States | E Grand Ave. / Kalmia St. (33.12233, -117.08011) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2025 | https://ols.escondido.org/CivicAlerts.aspx?AID=142 | 
| 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 | ||
| Brant,
                ON Brant Canada | Hwy 2 (King Edward St.) / Puttown Rd. / Falkland Rd. (43.17027, -80.43259) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2022 | Year Completed estimated (2020-2023). | 
| Brant,
                ON Brant Canada | Hwy 2 (King Edward St.) / Bishopsgate Rd. (43.17113, -80.42643) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2022 | Year Completed estimated (2020-2023). | 
| Brant,
                ON Brant Canada | Rest Acres Rd. / Cobblestone Dr. / Daugaard Ave. (43.18023, -80.38441) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | Year Completed estimated (2020-2023). | 
| Brant,
                ON Brant Canada | Rest Acres Rd. / Arlington Pkwy. / Court Dr. (43.17712, -80.38332) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | Year Completed estimated (2020-2023). | 
| Brant,
                ON Brant Canada | Rest Acres Rd. / Scenic Ridge Gate / Lydia Ln. (43.17224, -80.38134) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | Year Completed estimated (2020-2023). | 
| Brant,
                ON Brant Canada | Rest Acres Rd. / Hutchings Rd. (43.16711, -80.37922) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 62.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2024 | Right-turn-only lane and three-lane pedestrian crossing on south leg. | 
| Hamilton,
                ON Hamilton Canada | Hwy 52 / Hwy 403 WB Ramps (43.20276, -80.04528) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2024 | Year Completed estimated (2021-2025). | 
| Hamilton,
                ON Hamilton Canada | Hwy 52 / Hwy 430 EB Ramps (43.19974, -80.04435) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 45.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2024 | Year Completed estimated (2021-2025). | 
| Little Rock,
                AR Pulaski Co. United States | Kanis Rd. / Fletcher Ridge Blvd. / Chenal Downs Blvd. (34.75930, -92.48271) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2021 | |
| Monroe,
                LA Ouachita Par. United States | Broadmore Blvd. / Bienville Dr. (32.53427, -92.09860) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0520 | Other (At-Grade) Single-Lane | 2000 | Year Completed estimated (1998-2005). | 
| Monclova Township,
                OH Lucas Co. United States | Salisbury Rd. / Albon Rd. (41.58101, -83.73746) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2020 | Year Completed estimated (2018-2020). | 
| Crossfield,
                AB Division 6 Canada | Vista Dr. / Amery Crescent / Vista Rd. / Thomas St. (51.43444, -114.04277) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.0000 | Other (At-Grade) Single-Lane | 2017 | Year Completed estimated (2016-2017). | 
| Calgary,
                AB Division 6 Canada | 140th Ave. NW / Carrington Blvd. NW (51.18149, -114.09022) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2017 | |
| Calgary,
                AB Division 6 Canada | 148 Ave. NW / Carrington Blvd. NW (51.18699, -114.08880) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.0000 | Other (At-Grade) Single-Lane | 2022 | Year Completed estimated (2022-2023). | 
| Calgary,
                AB Division 6 Canada | Cornerstone Heights SE / Cornerstone St. NE (51.15805, -113.94241) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.0000 | Other (At-Grade) Single-Lane | 2019 | Year Completed estimated (2018-2020). | 
| Ridgefield,
                WA Clark Co. United States | N 56th Pl. / N Pioneer Canyon Dr. (45.81812, -122.69068) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | Left-turn-only lane on south leg marked as through lane. | |
| Ridgefield,
                WA Clark Co. United States | Pioneer St. / S 68th Ct. (45.81598, -122.67714) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2024 | Double left turn on south leg. Year Completed estimated (2023-2024). | 
| Poplar,
                MT Roosevelt Co. United States | US 2 / 5th Ave. E (48.11438, -105.18443) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2019 | https://www.roundupweb.com/story/2019/12/04/news/us-2-poplar-construction-winds-down/13182.html | 
| Bruce,
                MI Macomb Co. United States | 33 Mile Rd. / McKay Rd. (42.81797, -83.00023) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2018 | Year Completed estimated (2017-2019). | 
| Lincoln,
                NE Lancaster Co. United States | W A St. / SW 27th St. (40.79924, -96.75897) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2025 | |
| Stockbridge,
                GA Rockdale Co. United States | GA 138 / Union Church Rd. SW (33.59197, -84.13738) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | |
| Richfield,
                MN Hennepin Co. United States | Lyndale Ave. S / 65th St. (44.88522, -93.28611) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2023 | Elliptical shaped. ICD = 125 ft x 115 ft. https://www.facebook.com/story.php/?story_fbid=641870717972314&id=100064481752700 | 
| Wilsonville,
                OR Clackamas Co. United States | SW Boeckman Rd. / SW Canyon Creek Rd. (45.31755, -122.75778) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2025 | https://www.wilsonvilleoregon.gov/engineering/page/boeckman-road-corridor-improvements | 
| Apple Valley,
                MN Dakota Co. United States | Diamond Path W / 140th St. W / Connemara Trl. (44.74637, -93.15649) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2023 | On the border between Apple Valley and Rosemount. https://nextdoor.com/agency-post/mn/rosemount/city-of-rosemount/the-intersection-at-diamond-path-and-connemara-trail-is-now-closed-to-through-traffic-for-construction-of-a-roundabout-282288126/ | 
| Cedar Rapids,
                IA Linn Co. United States | Wilson Ave. SW / Bowling St. SW (41.95585, -91.65756) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4320 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2024 | https://www.reddit.com/r/cedarrapids/comments/1fodquc/wilson_avenue_and_bowling_street_roundabout/ | 
| Gustine,
                CA Merced Co. United States | SR 33-SR 140 / 4th St. (37.25362, -120.99742) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2025 | https://www.westsideconnect.com/news/community-news/gustines-first-roundabout-completed-a-new-chapter-for-the-community/ | 
| Memphis,
                TN Shelby Co. United States | US 70 (W Eh Crump Blvd.) / Riverside Dr / I-55 Ramps / W Alston Ave. (35.12483, -90.06723) | Roundabout Existing | All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) | 5 Approaches 0 Driveways 73.1520 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) | 2025 | Replaced three-quadrant cloverleaf interchange. At-grade rail crossing 430 ft to the east. https://www.youtube.com/watch?v=7DjkNBuVjlo |