| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Estes Park,
                CO Larimer Co. United States | US 36 (N Saint Vrain Ave.) / Community Dr. (40.37449, -105.49980) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 48.7680 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | Year Completed estimated (2019-2024). | 
| Estes Park,
                CO Larimer Co. United States | US 36 / US 34 Business / Crags Dr. (40.37248, -105.52360) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | Elliptical shaped. Replaced two two-way stop-controlled intersections. ICD = 120 ft x 95 ft. Year Completed estimated (2019-2024). | 
| Johnstown,
                CO Weld Co. United States | SH 60 / Gateway Cir. (40.33527, -104.98559) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 59.4360 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2024 | Primary access to large travel and fuel center. Year Completed estimated (2023-2024). | 
| La Salle,
                CO Weld Co. United States | CR 44 / US 85 SB Ramps (40.30821, -104.74948) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 53.3400 | Freeway Ramps (Grade-Separated) Single-Lane | 2024 | https://www.9news.com/article/traffic/us-85-colorado-new-interchange/73-2b7e4e5d-a889-4452-8d39-477c814991d0 | 
| Longmont,
                CO Boulder Co. United States | Harvest Moon Dr. / (parking) / (unknown) (40.15101, -105.08420) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2023 | Right-turn-only lane and two-lane exit on north leg. Year Completed estimated (2022-2023). | 
| Lochbuie,
                CO Adams Co. United States | E 168th Ave. / Frontage Rd. (40.00051, -104.71769) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2020 | Ellipitcal shaped. ICD = 170 ft x 140 ft. | 
| Broomfield,
                CO Adams Co. United States | W 122nd Ave. / N Park Centre Dr. (39.92089, -105.01002) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2002 | North leg stubbed. Year Completed estimated (2001-2003). | 
| Thornton,
                CO Adams Co. United States | Washington Center Pkwy. / Lafayette St. (39.91876, -104.97204) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2002 | Year Completed estimated (1999-2002). | 
| Thornton,
                CO Adams Co. United States | Riverdale Rd. / Quebec St. (39.91040, -104.90320) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 35.0520 | Other (At-Grade) Single-Lane | 2018 | |
| Westminster,
                CO Adams Co. United States | W 117th Ave. / Quitman St. (39.90885, -105.04229) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2005 | |
| Aurora,
                CO Arapahoe Co. United States | Copperleaf Blvd. / Radcliff Pkwy. (39.63537, -104.72624) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | Year Completed estimated (2022-2023). | 
| Westerville,
                OH Franklin Co. United States | Little Turtle Way W / Longrifle Rd. (40.08322, -82.87865) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.2440 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Yield-controlled right-turn bypass lane on south leg. | 
| Castle Rock,
                CO Douglas Co. United States | Mikelson Blvd. / Mitchell St. (39.36622, -104.79813) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2024 | https://www.youtube.com/watch?v=QkZTn1X4oAY | 
| Castle Rock,
                CO Douglas Co. United States | Crystal Valley Pkwy. / S Wilcox St. / E Frontage Rd. / I-25 NB Exit Ramp (39.33865, -104.87343) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 5 Approaches 0 Driveways 60.9600 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2024 | https://www.crgov.com/3131/Crystal-Valley-Interchange. Partially open in November 2024. | 
| Castle Rock,
                CO Douglas Co. United States | E Montaine Cir. / Quarry Mesa Dr. (39.32630, -104.85197) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2023 | |
| Black Forest,
                CO El Paso Co. United States | SR 50 (Walker Rd.) / Jane Lundeen Dr. (39.09974, -104.76828) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 54.8637 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Double left turn on south leg. Right-turn-only on west leg. | 
| Falcon,
                CO El Paso Co. United States | Falcon Market Pl. / Woodmen Frontage Rd. / E Woodmen Rd. (38.94134, -104.61192) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2022 | |
| Colorado Springs,
                CO El Paso Co. United States | Meridian Sol Dr. / Swingline Rd. (38.93013, -104.60820) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2022 | Elliptical shaped. ICD = 130 ft x 105 ft. | 
| Colorado Springs,
                CO El Paso Co. United States | Meadow Brook Pkwy. / Newt Dr. (38.84432, -104.69242) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4317 | Other (At-Grade) Single-Lane | 2023 | |
| Colorado Springs,
                CO El Paso Co. United States | S Troy Hill Rd. / Joystone Dr. (38.82702, -104.72760) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2019 | |
| Santa Barbara,
                CA Santa Barbara County United States | E Cabrillo Blvd. / Los Patos Way / Channel Dr. (34.42133, -119.65642) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2025 | https://keyt.com/lifestyle/travel/2025/05/28/new-cabrillo-and-los-patos-roundabout-project-opens-up/ | 
| Vista,
                CA San Diego County United States | Foothill Dr. / Oak Dr. (north) (33.21634, -117.22192) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2025 | Elliptical shaped. Part of closely spaced pair of roundabouts. https://www.youtube.com/watch?v=Imr8lxz23dc | 
| Vista,
                CA San Diego County United States | Foothill Dr. / Oak Dr. (south) (33.21602, -117.22114) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2025 | Part of closely spaced pair of roundabouts. | 
| New Castle,
                CO Garfield County United States | US 6 / Castle Valley Blvd. (39.56797, -107.51604) | 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://kdvr.com/news/local/new-multi-lane-roundabout-at-intersection-of-us-6-and-castle-valley-road/ | 
| Brainerd,
                MN Crow Wing Co. United States | CSAH 49 (Wise Rd.) / Beaver Dam Rd. (46.38448, -94.22428) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 44.1960 | Other (At-Grade) Single-Lane | 2022 | |
| Philadelphia,
                PA Philadelphia Co. United States | S 20th St. / Penrose Ave. / Packer Ave. / W Moyamensing Ave. (39.91297, -75.18205) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 47.2440 | Other (At-Grade) Single-Lane | 2025 | Features separated bicycle lanes. | 
| Punta Gorda,
                FL Charlotte Co. United States | US 41 (Tamiami Trl.) / Carmalita St. (26.92980, -82.04751) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2025 | https://www.gulfshorebusiness.com/gb_daily/new-downtown-roundabout-opens-in-punta-gorda/ | 
| Toa Alta,
                Toa Alta Municipio Ortíz Barrio Puerto Rico | Avenida los Palacios / Calle Guajataca (18.34875, -66.20882) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Circle existed in 2016 but without controlling signs; by 2024 Yield signs had been added. | |
| Toa Alta,
                Toa Alta Municipio Ortíz Barrio Puerto Rico | Avenida Los Palacios / Ave. Palacios Reales / Ave. Palacios de Marbella (18.34576, -66.20688) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Circle existed in 2016 but with stop signs on two approaches; no controls on the other two. Yield signs on all approaches in 2024. | |
| Richmond,
                VA Richmond City United States | Maury St. / E 4th St. / I-95 Ramps (37.52145, -77.43415) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 50.2920 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | E 4th St. is one-way into roundabout on northwest leg. | 
| Richmond,
                VA Richmond City United States | E Main St. / Dock St. / Peebles St. (37.52433, -77.41841) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.1960 | Other (At-Grade) Single-Lane | 2018 | |
| Crystal Lake,
                IL McHenry Co. United States | E Congress Pkwy. / Federal Dr. (42.23117, -88.30719) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 21.3360 | Other (At-Grade) Single-Lane | 2023 | https://www.crystallake.org/your-government/departments/community-development/engineering/roundabout-information | 
| Grand Island,
                NE Hall County United States | W 13th St. / Claude Rd. (40.93152, -98.38788) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2024 | https://www.ksnblocal4.com/2024/03/25/claude-road-project-begin-grand-island/ | 
| Grand Island,
                NE Hall County United States | State St. / Claude Rd. (40.93840, -98.38861) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2024 | https://www.ksnblocal4.com/2024/03/25/claude-road-project-begin-grand-island/ | 
| Harpersfield,
                OH Ashtabula County United States | SR 534 (S Broadway) / SR 307 (N River Rd. E) (41.75981, -80.94122) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2024 | https://www.news5cleveland.com/news/local-news/we-follow-through/local-businesses-relieved-as-major-construction-project-concludes-in-ashtabula-county | 
| Jordan,
                MN Scott County United States | STH 21 / CR 66 (Sawmill Rd.) (44.65659, -93.62855) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://test10.gettingbeached.com/montgomery-messenger-news/highway-21-roundabout-jordan-fully-open-friday-sept-29 | 
| Lino Lakes,
                MN Ramsey County United States | Hodgson Rd. / Ash St. (CR J) (45.12412, -93.12745) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2024 | Elliptical shaped. ICD = 120 ft x 110 ft. https://www.facebook.com/StoeszLinoLakes/videos/all-lanes-open-on-new-roundabout-at-county-road-j-and-hodgson-happy-labor-day-we/534935302432611/ | 
| Monument,
                CO El Paso County United States | W Baptist Rd. / Terrazzo Dr. (39.05656, -104.85476) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 53.3400 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2024 | https://www.codot.gov/projects/archives/baptistterrazzoroundabout | 
| Renfrew,
                ON Renfrew Canada | Hwy 60 (O'Brien Rd.) / Wrangler Rd. / Innovation Dr. (45.47897, -76.65228) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2024 | https://www.pentictonherald.ca/spare_news/article_f8ceef21-c90e-5cc1-add9-a8e0b8cee9e8.html | 
| Hays,
                NC Wilkes County United States | Traphill Rd. / Yellow Banks Rd. (36.26353, -81.12210) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 44.1960 | Other (At-Grade) Single-Lane | 2022 | https://www.ncdot.gov/news/press-releases/Pages/2022/2022-01-06-wilkes-county-roundabout.aspx | 
| Saginaw,
                MN St. Louis County United States | US 2 / STH 194 / Saginaw Rd. (46.84660, -92.41735) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 44.1960 | Other (At-Grade) Single-Lane | 2023 | |
| Scottsdale,
                AZ Maricopa County United States | E Happy Valley Rd. / N Alma School Rd. (33.71265, -111.85679) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Left-turn-only lane on west leg. | 
| Scottsdale,
                AZ Maricopa County United States | E Happy Valley Rd. / N Golf Club Dr. (33.71264, -111.86755) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Elliptical shaped. ICD = 165 ft x 130 ft. | 
| Cedar Rapids,
                IA Linn County United States | 10th St. SE / 8th Ave. SE / Mount Vernon Rd. SE (41.97807, -91.65365) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2025 | https://www.thegazette.com/local-government/government-notes-cedar-rapids-opens-new-roundabout-on-mount-vernon-road/ | 
| Westfield,
                IN Hamilton County United States | W 151st St. / Towne Rd. (40.00622, -86.20296) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2025 | Cost – $1,983,669.69 | 
| Sanford,
                FL Seminole County United States | W Seminole Blvd. / N French Ave. (28.81507, -81.27332) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2021 | |
| Sanford,
                FL Seminole County United States | W Seminole Blvd. / Oak Dr. (28.82146, -81.29258) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 24.3840 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2021 | |
| Sanford,
                FL Seminole County United States | W Seminole Blvd. / Walnut Crest Run (28.82541, -81.30462) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 24.3840 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2021 | |
| Sanford,
                FL Seminole County United States | W Seminole Blvd. / (unknown) (28.83081, -81.31651) | Roundabout Unknown | All-Way Yield Unknown | 4 Approaches 0 Driveways 24.3840 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2021 | Painted splitter island on south leg. | 
| (unincorporated),
                TX Fort Bend County United States | Mason Rd. / Victoria Bay Blvd. (29.67590, -95.73782) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0520 | Other (At-Grade) Single-Lane | 2025 | Vortex modular/quick-build roundabout. | 
| North Miami,
                FL Miami-Dade County United States | NW 12th Ave. / NW 120th St. (25.88432, -80.21868) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2011 | |
| North Miami,
                FL Miami-Dade County United States | NW 12th Ave. / NW 123rd St. (25.88704, -80.21881) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 21.3360 | Other (At-Grade) Single-Lane | 2011 | |
| North Miami,
                FL Miami-Dade County United States | NW 12th Ave. / NW 127th St. (25.89067, -80.21899) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 21.3360 | Other (At-Grade) Single-Lane | 2011 | |
| North Miami,
                FL Miami-Dade County United States | NW 8th Ave. / NW 122nd St. (25.88638, -80.21272) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 19.8120 | Other (At-Grade) Single-Lane | 2014 | |
| Miami,
                FL Miami-Dade County United States | SW 2nd Ave. / SW 28th Rd. (25.75291, -80.20891) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 25.9080 | Other (At-Grade) Single-Lane | 2005 | |
| Cedar Park,
                TX Williamson County United States | N Lynnwood Trl. (30.52054, -97.81145) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2021 | Year Completed estimated (2020-2021). | 
| Cedar Park,
                TX Williamson County United States | C-Bar Ranch Trl. (30.52252, -97.81033) | Roundabout Existing | All-Way Yield Unknown | 2 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2021 | Year Completed estimated (2020-2021). | 
| Derry Township,
                PA Dauphin County United States | Bachmanville Rd. / Homestead Rd. (40.26233, -76.63657) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2024 | |
| 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 | 
| Lancaster,
                PA Lancaster County United States | N Plum St. / (unknown) (40.05538, -76.30274) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2010 | Year Completed estimated (2010-2011). | 
| Thiells,
                NY Rockland County United States | Suffern Ln. / Hammond Rd. / Letchworth Village Rd. / Thiells-Mt Ivy Rd. (41.21116, -74.01775) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2025 | https://www.instagram.com/reel/DLKvS2py3Ps/ | 
| Genoa Township,
                OH Delaware County United States | Lewis Center Rd. / Worthington Rd. (40.19783, -82.91324) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 1 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2025 | Peanut shaped. https://www.facebook.com/DelCoEngineer/posts/construction-in-actionworthington-road-lewis-center-road-intersection-genoa-town/1071976134965353/ | 
| Sanford,
                FL Seminole County United States | SR 46 / Glade View Dr. (28.81298, -81.37718) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 65.5320 | Other (At-Grade) Single-Lane | 2021 | Underneath SR 429 but without any direct connection. | 
| Sanford,
                FL Seminole County United States | SR 46 / Markham Rd. (28.81344, -81.38801) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 64.0080 | Other (At-Grade) Single-Lane | 2022 | Underneath SR 429 but without any direct connection. | 
| Sanford,
                FL Seminole County United States | SR 46 / Yankee Lake Rd. (28.81487, -81.40113) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 64.0080 | Other (At-Grade) Single-Lane | 2022 | Underneath SR 426 but without direct connection. | 
| Sanford,
                FL Seminole County United States | SR 46 / Longwood Markham Rd. / SR 46-SR 429 Ramps (28.81487, -81.40566) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 64.0080 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2021 | |
| Sanford,
                FL Seminole County United States | SR 46 / Osprey Hammock Trl. / River Oaks Cir. (28.81503, -81.41312) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 71.6280 | Other (At-Grade) Single-Lane | 2021 | Passes underneath SR 429 but with no direct connection. | 
| Lower Sackville,
                NS Halifax Canada | Glendale Ave. / Hwy 102 SB Ramps (44.75648, -63.64662) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 72.0000 | Freeway Ramps (Grade-Separated) Multilane (3+ Lane) | 2024 | https://news.novascotia.ca/en/2024/12/20/new-highway-connects-sackville-bedford-burnside | 
| Lower Sackville,
                NS Halifax Canada | Duke St. / Hwy 102 NB Ramps / Hwy 107 (44.75484, -63.64417) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 65.0000 | Freeway Ramps (Grade-Separated) Multilane (3+ Lane) | 2024 | https://news.novascotia.ca/en/2024/12/20/new-highway-connects-sackville-bedford-burnside | 
| Burnside,
                NS Halifax Canada | Burnside Dr. / Hwy 107 WB Entrance Ramp (44.72592, -63.59776) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 60.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) | 2024 | https://news.novascotia.ca/en/2024/12/20/new-highway-connects-sackville-bedford-burnside | 
| Burnside,
                NS Halifax Canada | Burnside Dr. / Hwy 107 WB Exit Ramp (44.72429, -63.59823) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 65.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) | 2024 | https://news.novascotia.ca/en/2024/12/20/new-highway-connects-sackville-bedford-burnside | 
| Burnside,
                NS Halifax Canada | Burnside Dr. / Akerley Blvd. (44.72910, -63.58599) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 60.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Year Completed estimated (2023-2024). | 
| Burnside,
                NS Halifax Canada | Akerley Blvd. / Hwy 107 WB Exit Ramp / Harold Shanks Ave. (44.72546, -63.58373) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 60.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2021 | Year Completed estimated (2021-2022). | 
| Burnside,
                NS Halifax Canada | Akerley Blvd. / Hwy 107 EB Entrance Ramp / Wilkinson Ave. (44.72212, -63.58175) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 60.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | |
| Tucson,
                AZ Pima County United States | E 5th St. / N 1st Ave. (32.22907, -110.96099) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Tucson,
                AZ Pima County United States | N 5th Ave. / E 8th St. (32.22547, -110.96708) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 24.3840 | Other (At-Grade) Single-Lane | 2023 | Painted splitter islands on north and south legs. | 
| Tucson,
                AZ Pima County United States | N 7th Ave. / E 4th St. (32.23031, -110.97020) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Tucson,
                AZ Pima County United States | W 5th St. / N 9th Ave. (32.22900, -110.97328) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Tucson,
                AZ Pima County United States | W 4th St. / N 9th Ave. (32.23031, -110.97328) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Tucson,
                AZ Pima County United States | W 4th St. / N 10th Ave. (32.23030, -110.97481) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Tucson,
                AZ Pima County United States | W University Blvd. / N 9th Ave. (32.23161, -110.97330) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Tucson,
                AZ Pima County United States | W University Blvd. / N 10th Ave. (32.23160, -110.97483) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Tucson,
                AZ Pima County United States | W University Blvd. / N 11th Ave. (32.23159, -110.97637) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Tucson,
                AZ Pima County United States | W 1st St. / N 11th Ave. (32.23420, -110.97638) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Tucson,
                AZ Pima County United States | W 1st St. / N 9th Ave. (32.23422, -110.97331) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Tucson,
                AZ Pima County United States | E 2nd St. / N 7th Ave. (32.23292, -110.97023) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Tucson,
                AZ Pima County United States | W 2nd St. / N 9th Ave, (32.23291, -110.97330) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| South Charleston,
                WV Kanawha County United States | Kanawha Turnpike / SR 601 (Jefferson Rd.) Ramps (38.35435, -81.71172) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) | 2025 | https://www.youtube.com/watch?v=yTdSPHjvFrA | 
| Lake Mary,
                FL Seminole County United States | New Technology Blvd. / Caring Dr. (28.76760, -81.35607) | Rotary Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 71.6280 | Other (At-Grade) Single-Lane | 2020 | Circulatory roadway is 35 ft wide. Year Completed estimated (2019-2021). | 
| Sanford,
                FL Seminole County United States | S Park Ave. / W 9th St. / E 9th St. (28.80444, -81.26798) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 20.7264 | Other (At-Grade) Single-Lane | 2008 | Raised crosswalks. | 
| Belton,
                MO Cass County United States | S Mullen Rd. / E Cambridge Rd. (38.79909, -94.51296) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2025 | Year Completed estimated (2024-2025). | 
| Cartersville,
                VA Cumberland County United States | SR 45 (Cartersville Rd.) / Columbia Rd. (37.65869, -78.12544) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2024 | https://farmvilleherald.com/2024/03/work-continues-on-cartersville-roundabout-with-end-date-set/ | 
| Moreland,
                GA Coweta County United States | US 29 / US 27 Alternate / Harris Rd. / Ralph Evans Rd. (33.27899, -84.76548) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2024 | Traffic from the west (Harris Rd) must turn right before entering the roundabout. https://www.facebook.com/reel/385831194453450/ | 
| (unincorporated),
                OR Polk County United States | OR 99W / Clow Corner Rd. (44.89743, -123.22807) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2025 | |
| Port Ludlow,
                WA Jefferson County United States | SR 104 / Paradise Bay Rd. / Shine Rd. (47.86767, -122.63923) | Roundabout Existing | All-Way Yield Other | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2025 | Drawbridge signal approximately 800 ft to east. https://wsdot.wa.gov/construction-planning/search-projects/sr-104-paradise-bay-shine-road-sr-19-intersection-safety-improvements | 
| Post Falls,
                ID Kootenai County United States | E 4th Ave. / N Idaho St. (47.71101, -116.93727) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2024 | Year Completed estimated (2023-2024). | 
| Waterloo,
                ON Waterloo Canada | Sundew Dr. / Columbia St. (43.44927, -80.59095) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 50.0000 | Other (At-Grade) Single-Lane | 2013 | Oval shaped. ICD = 50 m x 44 m. Year Completed estimated (2012-2013). | 
| Waterloo,
                ON Waterloo Canada | Sundew Dr. / Ginseng St. (43.45044, -80.59323) | Traffic Calming Circle Existing | All-Way Yield None | 3 Approaches 0 Driveways 18.0000 | Other (At-Grade) Single-Lane | 2019 | Painted splitter islands. Year Completed estimated (2018-2019). | 
| Waterloo,
                ON Waterloo Canada | Sundew Dr. / Wild Calla St. (43.45271, -80.59570) | Traffic Calming Circle Existing | All-Way Yield None | 3 Approaches 0 Driveways 18.0000 | Other (At-Grade) Single-Lane | 2019 | Painted splitter islands. Year Completed estimated (2018-2019). | 
| Waterloo,
                ON Waterloo Canada | Laurelwood Dr. / (future road) (43.47636, -80.56465) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.0000 | Other (At-Grade) Single-Lane | 2014 |