| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Kyle,
                TX Hays Co. United States | Scrutchins Rd. / Hogan Dr. (30.00930, -97.87845) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2003 | No splitter islands. | 
| Frisco,
                TX Denton Co. United States | Printers Way / (private driveways) (33.15692, -96.84326) | Other Existing | Uncontrolled None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2014 | Single Lane Commercial. | 
| El Paso,
                TX El Paso Co. United States | Ralph Seitsinger Dr. / Mike Price Dr. (31.78964, -106.20827) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2015 | |
| Austin,
                TX Travis Co. United States | River Place Village Crossing / River Place Village Roundabout (30.39223, -97.84433) | Other Existing | Uncontrolled None | 3 Approaches 1 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2005 | |
| McKinney,
                TX Collin Co. United States | Riverbrook Dr. / Silverlake Rd. / Waterfall Dr. (33.18958, -96.71624) | Other Existing | Other None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 1999 | No splitter islands. Two minor approached controlled with Stop Signs. | 
| Kearney,
                NE Buffalo Co. United States | W 33rd St. / Central Ave. (40.70910, -99.08203) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2004 | Year Completed estimated (2003-2005). | 
| Reno,
                NV Washoe Co. United States | W Stadium Way / E 15th St. (39.54425, -119.81704) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2016 | |
| Dillon,
                CO Summit Co. United States | Dillon Dam Rd. / La Bonte St. (39.62759, -106.05380) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2010 | Year Completed estimated (2008-2011). | 
| Strongsville,
                OH Cuyahoga Co. United States | Zverina Ln. / Westwood Dr. / Roe Ln. (41.31768, -81.83271) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2024 | Replaced triangular-shaped intersection. https://www.facebook.com/CityofStrongsville/posts/pfbid07qr2tFqHTTFxYoX74pT3iKfHSsiq5VaVyHAgMRnUZ1Q8DYbYpqUWKLX61mXuGbDYl | 
| Jämjö,
                Blekinge County Karlskrona kommun Sweden | E22 (Västra Riksvägen) / Kvarnlyckevägen (56.19204, 15.83579) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2011 | Construction in 2010 and finished in 2011. Previous control included a signalized crosswalk across one leg of major road. This was removed in 2010. | 
| Madison,
                WI Dane Co. United States | Tawny Elm Pkwy. / White Fox Ln. (43.07015, -89.56678) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2020 | |
| Menasha,
                WI Calumet Co. United States | Kernan Ave. / Gosling Way (44.21389, -88.38276) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2004 | |
| Menasha,
                WI Calumet Co. United States | Kernan Ave. / Woodland Hills Dr. (44.21582, -88.38463) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2004 | |
| Fond du Lac,
                WI Fond Du Lac Co. United States | S Military Rd. / W 9th St. (43.76954, -88.45704) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2022 | |
| Mjölby,
                Östergötland County Mjölby Sweden | Kungsvägen / Ramstadgatan (58.33026, 15.11689) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2010 | Completed in 2010 or earlier. | 
| Alamo,
                CA Contra Costa Co. United States | Danville Blvd. / Orchard Ct. (37.85201, -122.03374) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2024 | https://www.contracosta.ca.gov/8130/Danville-BlvdOrchard-Ct-Project-Alamo-Ro | 
| (unincorporated),
                FL Pinellas Co. United States | Carillon Pkwy. / Tower Pl. / (parking) (27.89215, -82.66275) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2021 | Oval shaped. ICDs of 100 ft and 85 ft with outer dimensions 150 ft x 90 ft. No splitter island on east leg. | 
| Tulare,
                CA Tulare Co. United States | SR 137 (E Tulare Ave.) / Morrison St. (36.21093, -119.30330) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2025 | https://www.facebook.com/100082142657015/posts/ccme-is-in-the-final-stages-of-the-tulare-avestate-hwy-137-roundabout-project-fo/700819749332774/ | 
| Bowling Green,
                KY Warren Co. United States | Ashley Cir. / Westen St. (36.96894, -86.43656) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2023 | https://www.wbko.com/2023/06/20/construction-begins-roundabout-ashley-circlewesten-street-intersection/ | 
| Bowling Green,
                KY Warren Co. United States | Westen St. / Patrick Way (36.96519, -86.44527) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2024 | https://www.youtube.com/watch?v=degpDxeAwUM | 
| Bowling Green,
                KY Warren Co. United States | Westen St. / Highland Way (36.96372, -86.44766) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2024 | https://www.facebook.com/citybgky/posts/the-westen-street-and-highland-way-roundabout-project-was-anticipated-to-have-be/906701484824529/ | 
| East Hempfield Township,
                PA Lancaster County United States | Nissley Rd. / Pennscott Dr. / Bloomfield Way (40.08451, -76.39751) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2015 | Year Completed estimated (2015-2016). https://lancasteronline.com/news/local/where-are-there-roundabouts-in-lancaster-county/article_f894d096-e616-11e9-9a69-8b2c73dade42.html | 
| 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). | 
| Brighton,
                NY Monroe Co. United States | E Henrietta Rd. / (unklnown) (43.09657, -77.60624) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2014 | Merging right-turn bypass lane on south leg. | 
| Seymour,
                WI Outagamie Co. United States | STH 54 / Ivory St. (CR C) (44.50057, -88.32917) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2024 | https://projects.511wi.gov/54seymour/full-project-overview/ | 
| Seymour,
                WI Outagamie Co. United States | STH 54 / STH 55 (S Main St.) (44.50064, -88.33077) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 30.4800 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2024 | https://projects.511wi.gov/54seymour/full-project-overview/ | 
| Port Orchard,
                WA Kitsap Co. United States | SRR 166 (Bay St. / Bethel Ave.) / Bay St. (47.54197, -122.62705) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2024 | https://wsdot.wa.gov/construction-planning/search-projects/sr-166-bethel-bay-maple-intersection-roundabout-complete-july-2024 | 
| Sherborn,
                MA Middlesex Co. United States | Washington St. / Sanger St. / Maple St. (42.24060, -71.37120) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2024 | https://www.youtube.com/watch?v=7B6zWOWi74o. | 
| Enumclaw,
                WA King Co. United States | Suntop Blvd. / Bondgard Ave. E / (parking) (47.19554, -121.97087) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2018 | Year Completed estimated (2017-2018). | 
| Beatrice,
                NE Gage Co. United States | N 33rd St. / Lincoln St. (40.27145, -96.70903) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2023 | Year Completed estimated (2019-2024). | 
| (unincorporated),
                TX Fort Bend Co. United States | Brandt Rd. / James Long Pkwy. (29.64406, -95.75007) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2024 | |
| 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 | |
| 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. | 
| Olathe,
                KS Johnson Co. United States | S Ridgeview Rd. / E Frontier Ln. (38.86395, -94.79728) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2021 | Year Completed estimated (2021-2022). | 
| Broussard,
                LA Lafayette Par. United States | Birchview Dr. / Old Cypress Dr. (30.11338, -91.97132) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2013 | Year Completed estimated (2012-2014). | 
| Broussard,
                LA Lafayette Par. United States | Easy Rock Landing Dr. / Majestic Oaks Dr. (30.11259, -91.96938) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2016 | |
| Bradenton,
                FL Manatee Co. United States | Genoa Blvd. / Pavia Way / Verona Pl. (27.38937, -82.36855) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2019 | |
| Twin Rivers,
                FL Manatee Co. United States | Twin Rivers Trl. / 20th St. E (27.53138, -82.39213) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2018 | |
| Bradenton,
                FL Manatee Co. United States | Sawgrass Lake Terrace / Whisper Lake Dr. / Blue Cypress St. (27.48122, -82.42163) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2013 | |
| Wimauma,
                FL Hillsborough Co. United States | Scuba Crest St. / Kelper Hook Ct. (27.69824, -82.32217) | Other Existing | Unknown None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2020 | No markings or splitter islands. | 
| Lakewood Ranch,
                FL Manatee Co. United States | Lake Club Blvd. / Como Cir. (27.39536, -82.38777) | Other Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2006 | Splitter islands less than 50 sq ft. | 
| Ruskin,
                FL Hillsborough Co. United States | 11th Ave. NE / 18th St. NE (27.72778, -82.41056) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2015 | |
| Goulds,
                FL Miami-Dade Co. United States | SW 216th St. / SW 122nd Ave. (25.56620, -80.38868) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2022 | Year Completed estimated (2020-2022). | 
| Cleveland,
                OH Cuyahoga Co. United States | Scranton Rd. / View Rd. (41.45800, -81.70001) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2023 | |
| Westhampton Beach,
                NY Suffolk Co. United States | Main St. / Mill Rd. / Library Ave. (40.81013, -72.64144) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2020 | Library Ave is one-way exit to the south. Year Completed estimated (2019-2020). https://www.danspapers.com/2018/07/big-plans-for-whbs-main-street/ | 
| Westhampton Beach,
                NY Suffolk Co. United States | Potunk Ln. / Main St. (40.80814, -72.64700) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2019 | https://www.danspapers.com/2018/07/big-plans-for-whbs-main-street/ | 
| Stockbridge,
                GA Henry Co. United States | GA 138 / Moseley Dr. (33.56930, -84.16559) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2016 | Initially constructed as a mini-roundabout in 2016; upgraded to a full roundabout in 2022. https://mhfnews.org/2022/06/16/gdot-crews-to-enlarge-moseley-drive-roundabout/ | 
| Russellville,
                AR Pope Co. United States | N Detroit Ave. / E H St. (35.28535, -93.12926) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2013 | |
| Bluffdale,
                UT Salt Lake Co. United States | S Stone Fly Dr. / Gray Wulff Dr. (40.49285, -111.92039) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2007 | |
| Elizabethtown,
                KY Hardin Co. United States | SR 251 (N Miles St.) / W French St. / Pear Orchard Rd. (37.71166, -85.85296) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2023 | |
| Lakewood Ranch,
                FL Manatee Co. United States | Lakewood National Pkwy. / Wake Forest Run / Palmer Cir. (27.43704, -82.36387) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2017 | Right-turn-only lanes on east and west legs. Two-lane exits fed from single circulating lane. | 
| Lakewood Ranch,
                FL Manatee Co. United States | Lakewood National Pkwy. / Brandon Run / Palmer Cir. (27.43689, -82.35903) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2017 | Right-turn-only lanes on east and west legs. Two-lane exits fed from single circulating lane. | 
| Bradenton,
                FL Manatee Co. United States | Polo Trl. (27.42526, -82.36020) | Other Existing | Uncontrolled None | 2 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2018 | |
| Lakewood Ranch,
                FL Manatee Co. United States | Polo Trl. / Clairborne Ln. (27.42160, -82.36032) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2018 | |
| Bradenton,
                FL Manatee Co. United States | Rosehill Farm Run / Polo Trl. (27.42406, -82.36508) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2017 | |
| Lakewood Ranch,
                FL Manatee Co. United States | Polo Trl. / Rosehill Farm Run (27.42449, -82.36808) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2017 | |
| Lakewood Ranch,
                FL Manatee Co. United States | Ellsworth Ave. / Chester Trl. (27.41643, -82.36621) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2015 | |
| Varberg,
                Halland County Varbergs kommun Sweden | Marmorgatan / Brearedsvägen / Täljstensgatan (57.08555, 12.27473) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2005 | Completed 2005 or earlier. | 
| Landskrona,
                Skåne County Landskrona kommun Sweden | Ringvägen / Jarvgatan (55.88086, 12.85363) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2021 | |
| Phoenix,
                AZ Maricopa Co. United States | W Carver Rd. / S 55th Ave. (33.34119, -112.17777) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2020 | No truck apron. | 
| Phoenix,
                AZ Maricopa Co. United States | W Meadow Loop E / S Kelsie Dr. (33.37466, -112.20319) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2005 | No truck apron. | 
| Halmstad,
                Halland County Halmstads kommun Sweden | Enslövsvägen / Malcusgatan (56.67310, 12.87641) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2004 | Year Completed estimated (2002-2006). | 
| Lihue,
                HI Kauai Co. United States | Hardy St. / Umi St. (21.97617, -159.36577) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2015 | Located at Wilcox Elementary School. | 
| Kapaa,
                HI Kauai Co. United States | Kawaihau Rd. / Mailihuna Rd. / Hauaala Rd. (22.09189, -159.31598) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2023 | Peanut shaped. Connects what was previously two intersections. | 
| Lubbock,
                TX Lubbock Co. United States | Indiana Ave. / Main St. (33.58325, -101.88798) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2020 | Painted splitter islands on north and east legs. On campus of Texas Tech University. | 
| Vellinge,
                Skåne County Vellinge kommun Sweden | Hököpingevägen / Vattentornsgatan (55.47410, 13.02849) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2006 | Year Completed estimated (2002-2007). | 
| Vellinge,
                Skåne County Vellinge kommun Sweden | Östergatan / Hököpingevägen / Mattsons väg (55.47023, 13.03048) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2011 | |
| Lund,
                Skåne County Lund Municipality Sweden | Vikingavägen / Norrängavägen / Emblas gata (55.69412, 13.24157) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2007 or earlier completion. | |
| Sundsvall,
                Västernorrland County Sundsvall Municipality Sweden | Hagavägen / Lasarettsvägen / Riddargatan (62.40083, 17.32769) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | Completed in 2009 or earlier. | |
| Sundsvall,
                Västernorrland County Sundsvall Municipality Sweden | Antennvägen / (parking) (62.44086, 17.34855) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 30.4800 | Other (At-Grade) Single-Lane | Completed as a 3-leg roundabout in or before 2009. Fourth leg added by 2016. | |
| Scottsdale,
                AZ Maricopa Co. United States | (Scottsdale Community College entrance) / (parking) (33.51036, -111.88274) | Roundabout Existing | All-Way Yield None | 3 Approaches 2 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2009 | On campus of Scottsdale Community College. Yield signs only on left side of entry. Merging right-turn bypass lane on south leg. Year Completed estimated (2007-2009). | 
| Vaple,
                Västernorrland County Sundsvall Municipality Sweden | Kemivägen / E4 SB Ramps (62.33946, 17.35021) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Raindrop shaped. Year Completed estimated (2010-2017). | 
| Stockvik,
                Västernorrland County Sundsvall Municipality Sweden | Kemivägen / E4 NB Ramps (62.33902, 17.35173) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Raindrop shaped. Year Completed estimated (2010-2017). | 
| Stuart,
                FL Martin Co. United States | NW Green River Pkwy. / NE Baker Rd. (27.22209, -80.25291) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2010 | Year Completed estimated (2009-2010). North leg realigned from west; south leg added. | 
| Rio,
                FL Martin Co. United States | SR 707 (NE Dixie Hwy.) / NE Martin Ave. (27.21959, -80.23709) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2010 | Roundabout constructed by the Martin County CRA in coordination with the Rio 707 streetscape project. | 
| Middleton,
                ID Canyon Co. United States | W Highlands Pkwy. / 9th St. (43.71596, -116.64096) | Other Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2016 | No splitter island on side street. | 
| Longmont,
                CO Boulder Co. United States | Sundance Dr. / Galapagos Pl. (40.20011, -105.06468) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2016-2017). | 
| Longmont,
                CO Boulder Co. United States | Sundance Dr. / Tyrrhenian Dr. (40.20202, -105.06468) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2016-2017). | 
| Longmont,
                CO Boulder Co. United States | Sundance Dr. / Tyrrhenian Cir. (40.19784, -105.06451) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2016-2017). | 
| Longmont,
                CO Boulder Co. United States | Sundance Dr. / Twilight Dr. (40.19529, -105.06175) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2016 | Initial construction without splitter islands 1999-2002. Splitter islands added 2016-2017. | 
| Longmont,
                CO Boulder Co. United States | S Martin St. / Bountiful Ave. (40.14740, -105.08831) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2017 | |
| Louisville,
                CO Boulder Co. United States | E Hecla Dr. / Snowberry Ln. (39.99167, -105.12415) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2008 | Year Completed estimated (2007-2008). | 
| Louisville,
                CO Boulder Co. United States | E Hecla Dr. / Golden Eagle Way / Rose Ct. (39.99337, -105.12375) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2008 | Year Completed estimated (2007-2008). | 
| Missoula,
                MT Missoula Co. United States | Mary Ave. / Southgate Mall Access Rd. (46.84420, -114.03158) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2018 | Year Completed estimated (2016-2019). | 
| Broomfield,
                CO Broomfield Co. United States | W 138th Ave. / Kalamath St. / Maddox Ct. (39.94514, -105.00113) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2008 | |
| Arvada,
                CO Jefferson Co. United States | W 94th Ave. / Hallett St. (39.86650, -105.22434) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2014 | |
| Clarksville,
                TN Montgomery Co. United States | Henry Place Blvd. / Bandera Dr. (36.60740, -87.38149) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2013 | |
| Columbia,
                MD Howard Co. United States | Tamar Dr. / Old Montgomery Rd. (39.20533, -76.82822) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2022 | https://www.howardcountymd.gov/News090122c | 
| Kalamazoo,
                MI Kalamazoo Co. United States | Parkview Ave. / S 11th St. (42.25981, -85.65816) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2023 | https://www.mlive.com/news/kalamazoo/2023/08/2-new-roundabouts-opening-friday-in-kalamazoo-county.html | 
| Varberg,
                Halland County Varberg Sweden | Lindbergsvägen / Sävstaholmsvägen / Astrakanvägen (57.13049, 12.27130) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2010 | Year Completed estimated (2009-2012). | 
| Varberg,
                Halland County Varberg Sweden | Lindsbergvägen / Vlaidas väg (57.13218, 12.27183) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2010 | Around 2009 and definitely before April 2010 | 
| Parkland,
                FL Broward Co. United States | Juniper Dr. / Seacoast Dr. (26.33203, -80.22905) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2021 | |
| Parkland,
                FL Broward Co. United States | N University Dr. / Old Club Rd. (26.32331, -80.25091) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2021 | https://www.cityofparkland.org/1505/Roundabout | 
| San Marcos,
                CA San Diego Co. United States | N City Dr. / Campus Way (33.13473, -117.15999) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2016 | |
| Stockton,
                CA San Joaquin Co. United States | E Miner Ave. / N San Joaquin St. (37.95611, -121.28804) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2021 | Bicycle lanes leading into roundabout with bicycle sharrows on outer edge of circulatory roadway beyond each entry. https://twitter.com/stocktonupdates/status/1407046118156947458 | 
| Cleves,
                OH Hamilton Co. United States | Cooper Ave. / (high school parking) (39.16904, -84.75329) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2016 | Painted splitter island on south leg. | 
| Arlington,
                TX Tarrant Co. United States | Calender Rd. / Kuykendall Dr. (32.63263, -97.15398) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2022 | 2020-2022 (SV) | 
| Brookhaven,
                GA DeKalb Co. United States | Windsor Pkwy. NE / Osborne Rd. NE (33.88073, -84.34226) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2022 | Year Completed estimated (2021-2022). | 
| Stockton,
                CA San Joaquin Co. United States | Buddy Holly Dr. / Nash Dr. (38.04691, -121.27337) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2021 | Year Completed estimated (2020-2021). | 
| Stockton,
                CA San Joaquin Co. United States | Ocean Mist Way / A G Spanos Blvd. (38.05497, -121.34964) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2006 |