| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Aurora,
                CO Arapahoe Co. United States | S Sampson Gulch Way / E Clifton Dr. (39.56850, -104.69683) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2015-2017). | 
| 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 | |
| Stockton,
                CA San Joaquin Co. United States | Breaker Way / Sand Castle Way (38.05649, -121.34750) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2006 | |
| Kuching,
                Sarawak Bahagian Kuching Malaysia | Jalan Kilang / Jalan Jentera / Jalan Daya (1.57086, 110.38610) | Rotary Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 130.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | ||
| Kuching,
                Sarawak Bahagian Kuching Malaysia | Jalan Kemajuan /Jalan Keruing / Jalan Tekad (1.56589, 110.39047) | Rotary Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 165.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | ||
| Kuching,
                Sarawak Bahagian Kuching Malaysia | Jalan Belian / Jalan Mersawa (1.55877, 110.38910) | Rotary Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 120.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | Oval shaped. ICD = 120 m x 105 m. | |
| Kuching,
                Sarawak Bahagian Kuching Malaysia | Jalan Demak Laut / (unknown) (1.59627, 110.40727) | Rotary Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 95.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | Concentric striped circulatory roadway. | |
| Kuching,
                Sarawak Bahagian Kuching Malaysia | Rte 1002 / (unknown) (1.59920, 110.43140) | Rotary Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 110.0000 | Other (At-Grade) Multilane (3+ Lane) | ||
| Kuching,
                Sarawak Bahagian Kuching Malaysia | Jalan Bako (1.59957, 110.44135) | Rotary Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 200.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | ||
| Kuching,
                Sarawak Bahagian Kuching Malaysia | Jalan Demak Maju / (unknown) (1.59923, 110.44736) | Rotary Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 130.0000 | Other (At-Grade) Multilane (3+ Lane) | ||
| Kuching,
                Sarawak Bahagian Kuching Malaysia | Jalan Sultan Tengah / (unknown) (1.62387, 110.34799) | Rotary Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 245.0000 | Other (At-Grade) Multilane (3+ Lane) | ||
| Columbus,
                GA Muscogee Co. United States | Blackmon Rd. / Greystone Rd. (32.55196, -84.89764) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2014-2016). | 
| Columbus,
                GA Muscogee Co. United States | Flat Rock Rd. / Midland Commons Blvd. (32.54189, -84.87478) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2021 | Lane changes required to exit. Year Completed estimated (2022-2022). | 
| Columbus,
                GA Muscogee Co. United States | Flat Rock Rd. / (unknown) (32.54468, -84.87492) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2021 | Lane changes required to exit. Year Completed estimated (2020-2022). | 
| (unincorporated),
                NV Clark Co. United States | SR 156 (Lee Canyon Rd.) / Forest Road 106 (36.31974, -115.67259) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2015 | Year Completed estimated (2013-2016). | 
| Rochester,
                MN Olmsted Co. United States | 65th St. NW / 50th Ave. NW (44.09385, -92.53879) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2023 | |
| Rochester,
                MN Olmsted Co. United States | 48th St. SW / Commercial Dr. SW (43.95305, -92.47263) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2023 | |
| Rochester,
                MN Olmsted Co. United States | Viola Rd. NE / Century Hills Dr. NE (44.04783, -92.41933) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6717 | Other (At-Grade) Single-Lane | 2023 | |
| Rochester,
                MN Olmsted Co. United States | CSAH 44 (60th Ave. NW) / CSAH 4 (Valleyhigh Rd. NW) (44.05795, -92.55841) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2023 | https://www.olmstedcounty.gov/post/csah-4-valley-high-road-nw-and-csah-44-reconstruction | 
| Carmel,
                IN Hamilton Co. United States | Smoky Row Rd. / North End Dr. (39.98560, -86.13813) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2023 | Raised pedestrian crossing on east leg. https://content.govdelivery.com/attachments/fancy_images/INCARMEL/2023/05/7675938/4767484/smoky-row_crop.jpg https://content.govdelivery.com/accounts/INCARMEL/bulletins/35c7e4e?fbclid=IwAR2JH8UKd4F6MRVvqVsiXUfV2V1dse_PtuObd0hhCSqbDILigJt3Txdx6Mc#:~:text=in%20winter%202024.-,SMOKY%20ROW,-%3A%C2%A0This%20project | 
| Paso Robles,
                CA San Luis Obispo Co. United States | Golden Hill Rd. / Union Rd. (35.64021, -120.65811) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2023 | Peanut shaped. ICD = 120 ft for each node; 300 ft long. https://www.youtube.com/watch?v=8XdqNEsJOU4 | 
| Lakewood,
                WA Pierce Co. United States | Washington Blvd. SW / Edgewood Ave. SW (47.14855, -122.56383) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 27.4320 | Other (At-Grade) Single-Lane | 2023 | |
| Thorold,
                ON Niagara Canada | Lundy's Ln. / Barker Pkwy. (43.08044, -79.18675) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.0000 | Other (At-Grade) Single-Lane | 2020 | Year Completed estimated (2019-2020). | 
| (unincorporated),
                NC Cumberland Co. United States | Blacks Bridge Rd. / Old Plank Rd. (34.94696, -78.98484) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | Yield-controlled right-turn bypass lane on west leg. | 
| Carmel,
                IN Hamilton Co. United States | City Center Dr / Veterans Way (39.97065, -86.12861) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | https://content.govdelivery.com/attachments/fancy_images/INCARMEL/2023/06/7837794/4827643/city-center-and-veterans-way-2_crop.jpg https://content.govdelivery.com/accounts/INCARMEL/bulletins/362af59#:~:text=VETERANS%20WAY%20AND%20CITY%20CENTER%20DRIVE%20ROUNDABOUT%20%2D%20OPEN%20and%20pictured%20below. | 
| Gretna,
                NE Sarpy Co. United States | S 180th St. / Lincoln Rd. (41.15455, -96.19669) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 35.0520 | Other (At-Grade) Single-Lane | 2023 | Year Completed estimated (2021-2023). | 
| Gretna,
                NE Sarpy Co. United States | S 180th St. / Camelback Ave. (41.15770, -96.19688) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 57.9120 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2023 | Year Completed estimated (2022-2023). | 
| St Peter,
                MN Nicollet Co. United States | W Broadway Ave. / Sunrise Dr. (44.33175, -93.96950) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2022 | Elliptical shaped. ICD = 140 ft x 130 ft. https://www.keyc.com/2022/08/15/roundabout-construction-begins-st-peter/ | 
| Mankato,
                MN Blue Earth Co. United States | CR 12 / Adams St. (44.16990, -93.92685) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | Year Completed estimated (2021-2023). | 
| Greeley,
                CO Weld Co. United States | N 35th Ave. / W O St. / CR 64 (40.45520, -104.73479) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 67.0560 | Other (At-Grade) Single-Lane | 2022 | Merging right-turn bypass lanes on all legs. Designed with striped out outer portion of circulatory roadway for future expansion to outside. Year Completed estimated (2021-2023). | 
| Fountain,
                CO El Paso Co. United States | Santa Fe Ave. / S Charter Oak Ranch Rd. (38.67148, -104.71481) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2023 | Painted splitter island on west leg. https://www.codot.gov/news/2023/may/mamsip-charter-oak-ranch-road-completed | 
| Anoka,
                MN Anoka Co. United States | Thurston Ave. / Green Haven Pkwy. (45.21518, -93.41332) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2023 | Right-turn-only lane on north leg. | 
| Alexandria,
                VA Alexandria City United States | Washington Circle: Circle Hill Rd. / Beverley Dr. / Canyon Dr. (38.83533, -77.07047) | Other Existing | Other Unknown | 5 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Pedestrian access to central island. No splitter islands. Mix of stop, yield, and uncontrolled entries. | |
| Arlington,
                VA Arlington Co. United States | 36th St. S / S Stafford St. (38.82894, -77.08800) | Other Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Parking within circulatory roadway. | |
| Alexandria,
                VA Alexandria City United States | Cameron Station Blvd. / Brenman Park Dr. (38.80933, -77.11861) | Other Existing | All-Way Stop Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | Pedestrian access to central island. | |
| Arlington,
                VA Arlington Co. United States | Key Blvd. / N Danville St. (38.89224, -77.09208) | Traffic Calming Circle Existing | All-Way Stop Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Arlington,
                VA Arlington Co. United States | Key Blvd. / N Cleveland St. (38.89253, -77.09099) | Traffic Calming Circle Existing | One-Way/Two-Way Stop Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Arlington,
                VA Arlington Co. United States | Key Blvd. / N Fillmore St. (38.89146, -77.09415) | Traffic Calming Circle Existing | One-Way/Two-Way Stop Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Arlington,
                VA Arlington Co. United States | N Danville St. / Franklin Rd. / N Bryan St. (38.89067, -77.09073) | Other Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Parking in circulatory roadway. | |
| Lincoln,
                NE Lancaster Co. United States | S 70th St. / Carger Ln. (40.70352, -96.62537) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2023 | |
| Sparks,
                NV Washoe Co. United States | Lazy Pkwy. / Kiley Pkwy. (39.61527, -119.71852) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2020 | Vane islands between entry lanes on east and west legs. Year Completed estimated (2018-2020). | 
| Reno,
                NV Washoe Co. United States | Trading Post Rd. / Silver Dollar Ln. (39.61929, -119.86814) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2020 | Previous control was one-way yield. | 
| Manistee,
                MI Manistee Co. United States | 1st St. / Beach Rd. (44.24639, -86.34069) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 49.0728 | Other (At-Grade) Single-Lane | 2014 | |
| Traverse City,
                MI Grand Traverse Co. United States | Keystone Rd. N / Cass Rd. (44.69811, -85.61832) | Roundabout Existing | All-Way Yield Other | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2022 | Railroad crossing on east leg 65 ft from circulatory roadway; controlled by yield sign. https://www.traverseticker.com/news/keystone-road-reopens-saturday-to-two-way-traffic/ | 
| Siesta Key,
                FL Sarasota Co. United States | Higel Ave. / Ocean Blvd. (27.28803, -82.55901) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2023 | https://www.youtube.com/watch?v=26h5Bkvci6o | 
| Harrisburg,
                PA Dauphin Co. United States | N 2nd St. / Verbeke St. (40.26853, -76.89149) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 21.9456 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2022 | Year Completed estimated (2021-2022). | 
| Harrisburg,
                PA Dauphin Co. United States | N 2nd St. / Reily St. (40.27050, -76.89293) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 21.9456 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2022 | Year Completed estimated (2021-2022). | 
| Harrisburg,
                PA Dauphin Co. United States | N 2nd St. / Kelker St. (40.27418, -76.89553) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 18.2880 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2022 | |
| Charlottetown,
                PE Queens Canada | Hwy 2 (St Peters Rd. [Veteran's Memorial Hwy.]) / Greenwood Dr. / Macwilliams Rd. (46.28108, -63.09860) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2021 | |
| Charlottetown,
                PE Queens Canada | Hwy 2 (St Peters Rd. [Veteran's Memorial Hwy.]) / Avonlea Dr. / Oakland Dr. (46.27385, -63.10747) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2021 | |
| Charlottetown,
                PE Queens Canada | Hwy 2 (St Peters Rd. [Veteran's Memorial Hwy.]) / Angus Dr. / Hammac Dr. (46.27720, -63.10328) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2021 | |
| Rotterdam,
                NY Schenectady Co. United States | Rte 146 (Carman Rd.) / I-890 SB Ramps (42.76055, -73.94206) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | Merging right-turn bypass lane on south leg. https://www.news10.com/news/albany-county/road-work-begins-to-upgrade-route-146-intersections/ | 
| Waterloo,
                IA Black Hawk Co. United States | W 9th St. / South St. (42.48850, -92.33818) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://k923.fm/new-waterloo-roundabout-is-almost-complete-look/ | 
| Green,
                OH Summit Co. United States | Arlington Rd. / Greensburg Rd. (40.94937, -81.49420) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2022 | Yield-controlled right-turn bypass lane on north leg. https://www.youtube.com/watch?v=n5GeAwyMV7k | 
| Bend,
                OR Deschutes Co. United States | NW Shevlin Park Rd. / NW Skyline Ranch Rd. (44.07392, -121.36190) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | |
| Juneau,
                AK Juneau Borough United States | Glacier Hwy. / Renninger St. (58.35931, -134.51254) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | |
| Seattle,
                WA King Co. United States | S Atlantic St. / Sturgus Ave. S (47.59000, -122.31165) | Traffic Calming Circle Existing | Uncontrolled Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Rio Rancho,
                NM Sandoval Co. United States | Loma Colorado Blvd. NE / Red Hill Ct. NE (35.27261, -106.65753) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.0040 | Other (At-Grade) Single-Lane | 2008 | Year Completed estimated (2007-2009). | 
| Rio Rancho,
                NM Sandoval Co. United States | Loma Colorado St. NE / Terraza Blvd. NE (35.26972, -106.66078) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2008 | Year Completed estimated (2007-2009). | 
| Rio Rancho,
                NM Sandoval Co. United States | Loma Colorado Blvd. NE / (parking) (35.26261, -106.67142) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2010 | Add-lane right-turn bypass lane on north leg. Year Completed estimated (2009-2011). | 
| Albuquerque,
                NM Bernalillo Co. United States | Menaul Blvd. NW / 12th St. NW (35.11233, -106.65798) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2021 | |
| Albuquerque,
                NM Bernalillo Co. United States | Turquoise St. / Eagle Way (35.11020, -106.65682) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2017 | |
| Albuquerque,
                NM Bernalillo Co. United States | Tiburon St. NE / Masthead St. NE (35.16580, -106.59443) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2001 | Year Completed estimated (1996-2002). | 
| Rio Rancho,
                NM Sandoval Co. United States | Chayote Rd. NE / Lincoln Ave. NE (35.31689, -106.60549) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2021 | Striped out right side of entries on east and west leg with evidence of driver encroachment over stripes. Year Completed estimated (2020-2023). | 
| Rio Rancho,
                NM Sandoval Co. United States | Campus Blvd. NE / Center Blvd. NE (35.31768, -106.68441) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2010 | Year Completed estimated (2009-2011). | 
| West Mesa,
                NM Bernalillo Co. United States | Yucca Dr. NW / Bluewater Rd. NW (35.08850, -106.70053) | Traffic Calming Circle Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Albuquerque,
                NM Bernalillo Co. United States | Silver Ave. SE / Cornell Dr. SE (35.07913, -106.61957) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Albuquerque,
                NM Bernalillo Co. United States | Silver Ave. SE / Princeton Dr. SE (35.07912, -106.61582) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Whiteville,
                NC Columbus Co. United States | US 701 (N J.K. Powell Blvd.) / US 74-US 76 EB Ramps (34.34889, -78.70960) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2022 | |
| Whiteville,
                NC Columbus Co. United States | US 701 (N J.K. Powell Blvd.) / US 74-US 76 WB Ramps (34.35100, -78.70967) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2022 | |
| Breckenridge,
                CO Summit Co. United States | N Park Ave. / Watson Ave. (39.48470, -106.04887) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | https://www.townofbreckenridge.com/live/watson-roundabout | 
| Fort Erie,
                ON Niagara Canada | Lakeshore Rd. / Dominion Rd. (42.89540, -78.92324) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 42.0000 | Other (At-Grade) Single-Lane | 2022 | https://www.niagararegion.ca/projects/dominion-road/default.aspx | 
| Guilderland,
                NY Albany Co. United States | Rte 146 (Carman Rd.) / Lydius St. (42.75479, -73.94366) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2022 | Skewed intersection. https://www.timesunion.com/news/article/Guilderland-roundabout-work-to-start-Sept-6-17410914.php | 
| Hermantown,
                MN St. Louis Co. United States | STH 194 / Midway Rd. (46.84399, -92.28043) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2022 | https://www.dot.state.mn.us/news/2022/09/29-d1-hwy194.html | 
| (unincorporated),
                CA Kern Co. United States | SR 223 (E Bear Mountain Blvd.) / SR 184 / N Wheeler Ridge Rd. (35.20859, -118.91460) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2022 | https://bakersfieldnow.com/news/local/caltrans-to-begin-roundabout-construction-on-bear-mountain-blvd | 
| La Crosse,
                WI La Crosse Co. United States | STH 35 / Sunnyside Rd. (43.74798, -91.20032) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2022 | https://www.wizmnews.com/2022/04/06/100-people-show-to-meeting-on-wisconsin-dots-hwy-35-roundabout-plan-in-la-crosse/ | 
| Prescott,
                AZ Yavapai Co. United States | Pioneer Pkwy. / Commerce Dr. (34.61926, -112.46300) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Vane islands between entry lanes on southwest and northeast legs. https://theprescotttimes.com/news/pioneer-parkway-roundabout-at-commerce-drive-now-open/article_cadc897a-c7f2-11ed-9c52-7f6ff032e143.html | 
| Conway,
                AR Faulkner Co. United States | Prince St. / Donaghey Ave. (35.09199, -92.45371) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.youtube.com/watch?v=KAVF6wXZ-q8 | 
| Fayetteville,
                AR Washington Co. United States | E Sain St. / Hemlock Ave. (36.11709, -94.14255) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | https://www.fayettevilleflyer.com/2022/11/17/city-opens-sain-street-extension-in-north-fayetteville/ | 
| (unincorporated),
                SC Dorchester Co. United States | SC 61 (Beech Hill Rd.) / Summers Dr. (32.95271, -80.26081) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2015 | |
| (unincorporated),
                GA Columbia Co. United States | US 221 (Appling Harlem Rd.) / I-20 EB Ramps (33.49596, -82.31523) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2023 | Yield-controlled right-turn bypass lanes on south leg. https://www.wfxg.com/story/48383413/applingharlem-road-exit-roundabouts-open-to-traffic. | 
| (unincorporated),
                GA Columbia Co. United States | US 221 (Appling Harlem Rd.) / I-20 WB Ramps (33.49769, -82.31505) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2023 | Yield-controlled right-turn bypass lane on east leg. https://www.wfxg.com/story/48383413/applingharlem-road-exit-roundabouts-open-to-traffic. | 
| Whitestown,
                IN Boone Co. United States | E 550 S / S 475 E (39.96035, -86.37942) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Unknown | 2023 | |
| (unincorporated),
                SC Lancaster Co. United States | SC 522 (Rocky River Rd.) / SC 123 (Taxahaw Rd.) (34.71569, -80.62095) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | http://info2.scdot.org/projects/ViewerFiles/P030240%20-%20PIM%20Handout.pdf | 
| Benton,
                AR Saline Co. United States | I-30 N Frontage Rd. / W South St. (34.56450, -92.60452) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://katv.com/news/local/new-traffic-pattern-in-benton-on-frontage-road-arkansas-department-transportation-drivers-vehicles-cars-travelers-south-bridge-street-interstate-30-central-ar-take-first-exit-access-roundabout-addition-workers-crews-intersection-connection | 
| Monroe Township,
                OH Madison Co. United States | SR 29 / SR 38 (39.99322, -83.42057) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2022 | Approaching roadways have speed limits of 55 mph. https://www.columbusmessenger.com/roundabout-slated-for-intersection-at-38-and-29.html | 
| Athens,
                OH Athens Co. United States | E Stimson Ave. / US 33 Ramps / US 50 Ramps (39.32934, -82.08530) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 45.7200 | Freeway Ramps (Grade-Separated) Single-Lane | 2023 | The roundabout collects and distributes traffic from multiple ramps in the US 33/US 50/Stimson Avenue interchange. https://www.transportation.ohio.gov/projects/projects/106553 | 
| Holts Summit,
                MO Callaway Co. United States | MO OO (E Simon Blvd.) / US 54 EB Ramps (38.65479, -92.11091) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2023 | Raindrop shaped. https://www.modot.org/node/29043 | 
| Iron Junction,
                MN St. Louis Co. United States | STH 37 / CR 7 (47.40163, -92.60114) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | https://www.dot.state.mn.us/d1/projects/th-37/index.html | 
| (unincorporated),
                MN Scott Co. United States | STH 13 (Langford Ave.) / CR 8 (E 220th St.) (44.63049, -93.50170) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2022 | https://www.dot.state.mn.us/metro/projects/hwy13-spring-lake-cedar/index.html | 
| Knowlton,
                WI Marathon Co. United States | STH 34 / Old Hwy. 51 / CR DB (44.72668, -89.68312) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2022 | Elliptical shaped. ICD = 160 ft x 145 ft. https://www.wsaw.com/2022/07/28/project-redesign-knowlton-interesection-begin-aug-8/ | 
| Hanover Township,
                OH Butler Co. United States | Stahlheber Rd. / Morman Rd. (39.42038, -84.64629) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2023 | |
| Holland,
                MI Ottawa Co. United States | Westshore Mall / (parking) (42.81319, -86.08626) | Other Existing | Unknown None | 3 Approaches 0 Driveways 26.8221 | Other (At-Grade) Single-Lane | 2021 | Entrance to The Shops at Westshore shopping mall | 
| Kent,
                WA King Co. United States | 94th Ave. S / S 237th Pl. (47.38921, -122.21537) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 19.2024 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2023 | Raised but mountable central island, painted splitter islands. | 
| Richfield Township,
                OH Lucas Co. United States | W Sylvania Ave. / Kilburn Rd. (41.68717, -83.78585) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2023 | https://www.13abc.com/2023/06/07/closures-expected-amidst-sylvania-ave-roundabout-construction/ | 
| Tempe,
                AZ Maricopa Co. United States | W 12th St. / S Judd St. (33.41609, -111.94855) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Tempe,
                AZ Maricopa Co. United States | W 12th St. / S Roosevelt St. (33.41608, -111.94728) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Tempe,
                AZ Maricopa Co. United States | W 11th St. / S Roosevelt St. (33.41779, -111.94727) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Tempe,
                AZ Maricopa Co. United States | W 9th St. / S Roosevelt St. (33.42064, -111.94728) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Tempe,
                AZ Maricopa Co. United States | W Howe St. / S Wilson St. (33.41682, -111.94575) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane |