| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Lenexa,
                KS Johnson Co. United States | Marshall Dr. / W 95th St. WB Connector (38.95709, -94.73438) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 37.1492 | Other (At-Grade) Single-Lane | 2016 | Near diverging diamond interchange. https://www.ksdot.org/Assets/wwwksdotorg/Headquarters/PDF_Files/2016-11-28_ProjectUpdate12_Web_FINAL_FactSheet-LowRes.pdf . ICD estimated from Google Maps linework. | 
| Lenexa,
                KS Johnson Co. United States | Marshall Dr. / W 95th St. EB Connector (38.95590, -94.73460) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 34.3636 | Other (At-Grade) Single-Lane | 2016 | Near diverging diamond interchange. https://www.ksdot.org/Assets/wwwksdotorg/Headquarters/PDF_Files/2016-11-28_ProjectUpdate12_Web_FINAL_FactSheet-LowRes.pdf . ICD estimated from Google Maps linework. | 
| Argyle,
                TX Denton Co. United States | Cook St. / Boonesville Bend / Nora Ln. / Ellison Trace (33.10503, -97.18643) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2014 | Near Argyle High School. Painted splitter islands. | 
| West Chester,
                OH Butler Co. United States | Lesourdsville West Chester Rd. / Becket Ridge Blvd. (39.34459, -84.41655) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2020 | Near a junior high school. https://www.journal-news.com/news/newest-roundabout-opens-in-west-chester-as-dangerous-intersection-work-begins/PWKR73DU2VD53AOPGDM3VII2U4/ | 
| Carson City,
                NV Carson City Co. United States | Arrowhead Dr. / I-580 NB Ramps / Imus Rd. (39.19840, -119.77380) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.6923 | Freeway Ramps (Grade-Separated) Single-Lane | 2002 | NB off-ramp for Carson City Freeway (I-580) and extension of Imus Road. Overpass and roundabouts completed in 2002. ICD estimated from Google Maps linework. | 
| Sarasota,
                FL Sarasota Co. United States | Honore Ave. / Camus St. (27.33355, -82.46388) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.6465 | Other (At-Grade) Single-Lane | 2010 | NB and SB right turn lanes. ICD estimated from Google Maps linework. | 
| Kilpedder,
                Co Wicklow Ireland | R772 / N11 SB On-Ramp / Garden Village Ct. (53.10054, -6.10651) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Single-Lane | N11 SB On-Ramp is outbound only. | |
| Portland,
                OR Multnomah Co. United States | NE Yacht Harbor Drive (45.60542, -122.66034) | Other Existing | All-Way Yield Unknown | 1 Approaches 2 Driveways 25.9020 | Other (At-Grade) Single-Lane | 2006 | N end of Yacht Harbor Drive, yield entry at south, driveway at west and driveway at east. ICD estimated from Google Maps linework. | 
| Chattanooga,
                TN Hamilton Co. United States | SR 153 SB Ramps / N. Access Rd. / TVA offices (35.10868, -85.23122) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 97.7036 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2006 | N Access Road is a 4 lane arterial road. Fatal crash April 4, 2010. 11861-05. ICD estimated from Google Maps linework. | 
| Milwaukee,
                WI Milwaukee Co. United States | W Locust St. / N 21st St. (43.07156, -87.96447) | Traffic Calming Circle Existing | One-Way/Two-Way Stop None | 4 Approaches 0 Driveways 16.1541 | Other (At-Grade) Single-Lane | 2022 | N 21st St. is one-way northbound. | 
| Liberty Hill,
                TX Williamson Co. United States | Loop 332 / CR 279 / Munro St. (30.66338, -97.92119) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | Munro St is exit only. https://www.facebook.com/CityofLibertyHill/videos/roundabout/1258995458128112/ | 
| Palm Harbor,
                FL Pinellas Co. United States | US 19 Alternate (Palm Harbor Blvd.) / Florida Ave. (28.07797, -82.76724) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | Multiuse trail on west side of roundabout. https://www.fdottampabay.com/project/486/437636-1-52-01 | 
| Patcham,
                England Brighton and Hove United Kingdom | A23 (London Rd.) / Carden Rd. (50.85664, -0.15380) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | Multilane mini-roundabout. | |
| Wake Forest,
                NC Wake Co. United States | South Ave. (NC 98-US 1 Alt) / S Main St. (35.97893, -78.51203) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 21.2627 | Other (At-Grade) Single-Lane | 2006 | Moving Ahead project. ICD estimated from Google Maps linework. | 
| Maple Grove,
                MN Hennepin Co. United States | Jonquil Ln. / 85th Ave. (45.10938, -93.43398) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 57.3175 | Other (At-Grade) Single-Lane | 2001 | Mountable splitter islands, driverways in circle, parking in circle, pedestrian amenity in central island. Functional Class: Local ICD estimated from Google Maps linework. | 
| Indianapolis,
                IN Marion Co. United States | Monument Circle [Market St. / Meridian St.] (39.76848, -86.15804) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Multilane (2 Lane, unspecified) | 1820 | Most famous traffic circle in the State of Indiana. Completed 1820. | 
| Indianapolis,
                IN Marion Co. United States | Castle Creek Pkwy North Dr. / Castle Creek Pkwy East Dr. (39.91590, -86.06950) | Other Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 54.0460 | Other (At-Grade) Single-Lane | More of a traffic circle than a roundabout. ICD estimated from Google Maps linework. | |
| Annandale,
                VA Fairfax Co. United States | Ravensworth Rd. / Jayhawk St. / Fountain Head Dr. (38.82630, -77.19993) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 22.8600 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2018 | Modular, rapid-install roundabout. | 
| Chesterfield,
                VA Chesterfield Co. United States | Otterdale Rd. / Hampton Park Dr. (37.39585, -77.70733) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | Modular roundabout. http://www.virginiadot.org/newsroom/richmond/2020/modular-roundabout-installations-complete-in-chesterfield-county10-1-2020.asp | 
| Chesterfield,
                VA Chesterfield Co. United States | Otterdale Rd. / Harpers Mill Pkwy. (37.38280, -77.70556) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | Modular roundabout. http://www.virginiadot.org/newsroom/richmond/2020/modular-roundabout-installations-complete-in-chesterfield-county10-1-2020.asp | 
| Midlothian,
                VA Chesterfield Co. United States | Spring Run Rd. / Bailey Bridge Rd. / Springford Pkwy. (37.38447, -77.65050) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | Modular roundabout. http://www.virginiadot.org/newsroom/richmond/2020/modular-roundabout-installations-complete-in-chesterfield-county10-1-2020.asp | 
| San Diego,
                CA San Diego Co. United States | Florida Dr. / Morley Field Dr. (32.73983, -117.14367) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 24.3840 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2022 | Modular (quick build) construction. https://www.californiaconstructionnews.com/2022/10/01/construction-starts-on-modular-roundabout-quick-build/ | 
| Grays,
                England Essex United Kingdom | A1306 / B186 (51.48926, 0.27230) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 89.2395 | Other (At-Grade) Single-Lane | Modified with striped spirals to be single-lane. ICD estimated from Google Maps linework. 21442 | |
| Hillard,
                OH Franklin Co. United States | Britton Pkwy. / Davidson Rd. (40.04977, -83.13399) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Modified striping to remove fishhooks in 2019. | 
| Hilliard,
                OH Franklin Co. United States | Britton Pkwy. / Anson Dr. (40.04156, -83.13125) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Modified striping to eliminate fishhooks & convert to 2x1 in 2020 (converted EB from Thru/RT to RT only). | 
| Apex,
                NC Wake Co. United States | Blackburn Rd. / Orchard Villas Ave. (35.74781, -78.86505) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 27.1406 | Other (At-Grade) Single-Lane | 2008 | Modified in 2012 to add splitter islands. ICD estimated from Google Maps linework. 21442 | 
| Buffalo,
                NY Erie Co. United States | Gates Circle (Delaware Ave. / Lafayette Ave.) (42.92054, -78.86776) | Other Existing | Unknown Unknown | 5 Approaches 0 Driveways 66.4699 | Other (At-Grade) Unknown | 2002 | Modified in 2002 to incorporate roundabout principles. ICD estimated from Google Maps linework. 21442 | 
| La Quinta,
                CA Riverside Co. United States | Avenida Montezuma / Avenida Navarro (33.67616, -116.30460) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.9560 | Other (At-Grade) Single-Lane | 2007 | Modified from former geometrics to conform to roundabout. 21442 | 
| Durham,
                NC Durham Co. United States | Glendale Ave. / Washington St. (36.02251, -78.90046) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 34.7744 | Other (At-Grade) Single-Lane | 2000 | Modified circle, part of I-85 detour route. ICD estimated from Google Maps linework. | 
| Scottsdale,
                AZ Maricopa Co. United States | N. 74th St. / E. Sweetwater Ave. (33.60395, -111.92155) | Traffic Calming Circle Existing | All-Way Yield None | 0 Approaches 0 Driveways 16.7640 | Other (At-Grade) Unknown | 2003 | Modified by City in 2005 to improve operation as roundabout. 21442 | 
| Palmdale,
                CA Los Angeles Co. United States | Palmdale Blvd. (SR 138) / 47th St. / 50th St. (34.58010, -118.04510) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 57.9120 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Modified 2019-2020 to add lanes. 21442 | 
| Dublin,
                OH Franklin Co. United States | SR 161 (W Dublin Granville Rd.-E Bridge St.) / Riverside Dr. (US 33-SR 257) (40.09964, -83.10936) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 70.1040 | Other (At-Grade) Multilane (3+ Lane) | 2016 | Modified 2018 to reduce lane configuration. https://www.thisweeknews.com/news/20191022/dublin-officials-say-161-riverside-roundabout-fixes-lessen-crashes . 21442 | 
| Venice,
                FL Sarasota Co. United States | Jacaranda Blvd. / Venice Ave. (27.09950, -82.38444) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 79.2480 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2011 | Modified 2017 to change lane configuration and address crash issues. 21442 | 
| Hilliard,
                OH Franklin Co. United States | Main St. / Scioto Darby Rd. (40.02892, -83.16108) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8637 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2010 | Modified 2011-2014 to change lane configuration. Central island was re-shaped using qwik-curb in 2019; permanent modifications to central island & splitter islands (including addition of raised crosswalks) were completed in July 2021. 21442 | 
| Clearwater,
                FL Pinellas Co. United States | SR 60 / Coronado Dr. (SR 699) / Mandalay Ave. / Poinsettia Ave. (Gateway Roundabout) (27.97752, -82.82709) | Roundabout Existing | All-Way Yield Metering Signal | 6 Approaches 0 Driveways 68.5587 | Other (At-Grade) Multilane (2 Lane, unspecified) | 1999 | Modified 2002-2004 to change geometry and striping, and remove fountain. 21442 | 
| Davis,
                CA Yolo Co. United States | Anderson Rd. / Alvarado Ave. (38.56210, -121.75850) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.2149 | Other (At-Grade) Single-Lane | 1997 | Moderate to high pedestrian and bicycle volume. Located in residential area frequented by commuters to University of California at Davis. ICD estimated from Google Maps linework. | 
| Fleming,
                NY Cayuga Co. United States | W Lake Rd. / White Bridge Rd. / Lake Ave. / Sand Beach Rd. / (park access) (42.90470, -76.54446) | Rotary Existing | Other None | 5 Approaches 0 Driveways 109.7280 | Other (At-Grade) Single-Lane | Mixture of Yield and Stop signs. | |
| Fayetteville,
                NC Cumberland Co. United States | Singletree Ln. / Hacienda Dr. / Hackamore St. (34.99690, -78.95249) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 40.1133 | Other (At-Grade) Single-Lane | 1996 | Mixed stop/uncontrolled. Year Completed estimated (1993-1999). ICD estimated from Google Maps linework. | 
| Havana,
                Havana Cuba | Calle 114 / Carretera a Rancho Boyeros (23.04930, -82.41934) | Rotary Existing | Other Unknown | 3 Approaches 0 Driveways 127.4821 | Other (At-Grade) Multilane (3+ Lane) | Mix of yield-controlled and uncontrolled entries. ICD estimated from Google Maps linework. | |
| Polychrome Historic District,
                MD Prince George's Co. United States | IKEA Center Blvd. / Milestone Way (39.02224, -76.92650) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | Mix of yield-controlled and uncontrolled entries. | |
| Youngsville,
                LA Lafayette Par. United States | Centre Sal Celle Blvd. / (parking) (30.10836, -92.01747) | Other Existing | Other Unknown | 4 Approaches 1 Driveways 0.0000 | Other (At-Grade) Single-Lane | Mix of yield-controlled and uncontrolled entries. | |
| Boca Raton,
                FL Palm Beach Co. United States | E Royal Palm Rd. / Plaza Real S (26.34991, -80.08489) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Mix of yield and uncontrolled. | |
| Saint Lucie West,
                FL St. Lucie Co. United States | NW Vizcaya Falls / NW Cataluna Cir. (27.35695, -80.38274) | Other Existing | Other Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Mix of yield and uncontrolled entries. | |
| College Park,
                MD Prince George's Co. United States | Campus Dr. / Regents Dr. (38.98762, -76.94019) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 58.4848 | Other (At-Grade) Multilane (2 Lane, unspecified) | Mix of Yield and Stop signs (3 Yields; 1 Stop) at approaches. ICD estimated from Google Maps linework. | |
| Rancho Santa Margarita,
                CA Orange Co. United States | Auto Center Dr. / (parking lot) (33.64100, -117.60714) | Other Existing | Other Unknown | 5 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Mix of uncontrolled and stop-signs | |
| Aliso Viejo,
                CA Orange Co. United States | (parking lot) (33.56895, -117.72473) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 21.8931 | Other (At-Grade) Single-Lane | Mix of stop-controlled and uncontrolled approaches. ICD estimated from Google Maps linework. | |
| Guaynabo,
                PR Frailes Barrio United States | Avenida B / Calle A (18.37322, -66.11382) | Other Existing | Other Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Mix of stop, yield, and uncontrolled movements. | |
| Garner,
                NC Wake Co. United States | Pergo Pkwy. / Waterfield Ridge Pl. (35.68826, -78.56451) | Other Existing | Other None | 3 Approaches 0 Driveways 34.9213 | Other (At-Grade) Single-Lane | 1996 | Mix of stop, yield, and uncontrolled approaches. Year Completed estimated (1993-1998). ICD estimated from Google Maps linework. | 
| Gorizia,
                Friuli-Venezia Giulia Gorizia Italy | Rotonda Divisione Gorizia [SR56 (Ponte 8 Agosto) / Via Aquileia / Lungo Isonzo Argentina / Via della Barca] (45.93456, 13.60023) | Other Existing | Other None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | Mix of stop signs and yield signs on entry. | |
| Anaheim,
                CA Orange Co. United States | Transit Plaza (33.79806, -117.92072) | Other Existing | Other Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Mix of stop and yield. | |
| Los Angeles,
                CA Los Angeles Co. United States | W 76th St. / S Gramercy Pl. (33.97093, -118.31339) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 44.5717 | Other (At-Grade) Single-Lane | Mix of stop and yield control. Painted splitter islands. ICD estimated from Google Maps linework. | |
| Hyde Park,
                CA Los Angeles Co. United States | W 76th St. / 5th Ave. (33.97089, -118.32213) | Other Existing | Other None | 4 Approaches 0 Driveways 44.5717 | Other (At-Grade) Single-Lane | Mix of stop and yield control. Painted splitter islands. ICD estimated from Google Maps linework. | |
| St Johns,
                FL St. Johns Co. United States | Heron Landing Rd. / Sanctuary Dr. (30.08552, -81.53676) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 38.2368 | Other (At-Grade) Single-Lane | Mix of stop and yield control. No splitter islands. Pedestrian crossings at edge of circulatory roadway. ICD estimated from Google Maps linework. | |
| College Park,
                MD Prince George's Co. United States | Dupont Circle (38.95971, -76.93792) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Mix of stop and yield control. No splitter islands. | |
| St Johns,
                FL St. Johns Co. United States | Maplewood Dr. / Buckeye Ln. (30.11013, -81.60070) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 34.0946 | Other (At-Grade) Single-Lane | Mix of stop and yield control. ICD estimated from Google Maps linework. | |
| Frankfort,
                KY Franklin Co. United States | Capital Ave. / E State St. (38.18832, -84.87520) | Other Existing | Other None | 4 Approaches 0 Driveways 29.1004 | Other (At-Grade) Single-Lane | Mix of stop and yield control. ICD estimated from Google Maps linework. | |
| Las Vegas,
                NV Clark Co. United States | S Grand Canyon Pkwy. / (parking lots) (36.11311, -115.30900) | Other Existing | Other None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | Mix of stop and yield control. | |
| Shipyard,
                SC Beaufort Co. United States | Shipyard Dr. / Evan Way / Cordillo Pkwy. (32.15491, -80.74470) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 65.5320 | Other (At-Grade) Single-Lane | Mix of stop and yield control. | |
| Mellieha, Malta | Rte 1 / (unknown) (35.96942, 14.34989) | Other Existing | Other Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | Mix of stop and yield control. | |
| Pelotas,
                Rio Grande do Sul Brazil | Avenida Theodoro Müller / Avenida Jovo Goulart / Avenida Francisco Caruccio (-31.74131, -52.36411) | Other Existing | Other None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | Mix of stop and yield control. | |
| Watertown,
                NY Jefferson Co. United States | Park Circle (43.96723, -75.88971) | Other Existing | Other Unknown | 5 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | Mix of stop and yield control. | |
| Duxbury,
                MA Plymouth Co. United States | Chestnut St. / Bay Rd. / Depot St. / Standish St. / Washington St. (42.02337, -70.68319) | Other Existing | Other Unknown | 5 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Mix of stop and yield control. | |
| San Marcos,
                CA San Diego Co. United States | Village Dr. / Carnation Ct. (33.12285, -117.16747) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Mix of stop and yield control. | |
| Jupiter,
                FL Palm Beach Co. United States | Cortona Blvd. / Carina Dr. (26.92446, -80.15919) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | Mix of stop and yield control. | |
| Westborough,
                MA Worcester Co. United States | E Main St. / Milk St. / South St. / Brigham St. (42.26951, -71.61304) | Other Existing | Other Unknown | 5 Approaches 0 Driveways 39.7706 | Other (At-Grade) Multilane (2 Lane, unspecified) | Mix of stop and yield control, parking along circulatory roadway, pedestrian access to central island. ICD estimated from Google Maps linework. | |
| Vincentown,
                NJ Burlington Co. United States | Rte 70 / Rte 72 / Four Mile Rd. / Magnolia Rd. (39.89892, -74.59641) | Rotary Existing | Other None | 5 Approaches 0 Driveways 129.5400 | Other (At-Grade) Single-Lane | Mix of stop and yield control on entry. ICD = 500 ft x 350 ft. | |
| Elefsina,
                Attica West Attica Greece | Iera Odos / Anastasiou ke Ioannou Mouriki (38.04452, 23.54436) | Other Existing | Other None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Mix of stop and yield control on entry. | |
| Cagliari,
                Sardinia Cagliari Italy | Viale Poetto / Via Lungo Saline / Via Marina Piccola (39.19421, 9.15682) | Other Existing | Other Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | Mix of stop and yield control on entry. | |
| Monserrato,
                Sardinia Cagliari Italy | Via Riu Mortu / Via Cesare Cabras / Viale Trieste / Via Giuseppe Zuddas (39.25227, 9.14655) | Other Existing | Other Unknown | 5 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, 2x2 max) | Mix of stop and yield control on entry. | |
| Cranston,
                RI Providence Co. United States | Rte 5 (Atwood Ave. / Oaklawn Ave.) /  Cranston St. / Brooks St. (41.77694, -71.46888) | Rotary Existing | Other Unknown | 5 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Mix of stop and yield control on entry. | |
| Chalco,
                NE Sarpy Co. United States | Meadows Pkwy. / Meadow Ridge Rd. (41.17162, -96.13438) | Other Existing | Other None | 3 Approaches 1 Driveways 82.6008 | Other (At-Grade) Single-Lane | 1979 | Mix of stop and yield control on entry. | 
| Crofton,
                MD Anne Arundel Co. United States | Cardinal Crest Dr. / Hallwood Ct. / Dalewood Ct. / Thornbury Ct. (38.99364, -76.67343) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Mix of stop and uncontrolled; no splitter islands. | |
| Tarbock,
                England Merseyside United Kingdom | Tarbock Roundabout: M57 Ramps / M62 Ramps / A5080 (Tarbock Rd. / Cronton Rd.) / Windy Arbor Rd. (53.39830, -2.80852) | Other Existing | Other None | 7 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (3+ Lane) | Mix of signals and yields. | |
| Timişoara,
                Timiş Romania | E70 (Strada Oituz - Bulevardul Take Ionescu) / Strada Martin Luther (45.75799, 21.23279) | Signalized Roundabout/Circle Existing | Other Other | 5 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | Mix of signal and yield controls. | |
| Lewisville,
                NC Forsyth Co. United States | Concord Church Rd. / US 421 NB Ramps (36.09143, -80.42963) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.8835 | Freeway Ramps (Grade-Separated) Single-Lane | 2003 | Mirror image of other ramp. ICD estimated from Google Maps linework. | 
| Stevensville,
                MD Queen Annes Co. United States | Thompson Creek Rd. / US 50 EB Ramps (38.97599, -76.31046) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 16.7127 | Freeway Ramps (Grade-Separated) Single-lane w/ Traversable Central Island | 2007 | Mini-roundabout. ICD estimated from Google Maps linework. | 
| Phoenix,
                AZ Maricopa Co. United States | Aviano Way / (unknown) (33.68941, -111.99350) | Rotary Existing | All-Way Yield None | 0 Approaches 0 Driveways 79.4999 | Other (At-Grade) Single-Lane | Mini-roundabout. Completed 2005. ICD estimated from Google Maps linework. | |
| Rochester,
                MN Olmsted Co. United States | Bella Terra Rd. NE / Shannon Oaks Blvd. NE (44.03676, -92.41353) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 22.8600 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2023 | Mini-roundabout. | 
| Renton,
                WA King Co. United States | SE 176th St. / SE 171st Way (47.44500, -122.14831) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 23.4239 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2019 | Mini-roundabout in a suburban neighborhood context, completed November 2019. ICD estimated from Google Maps linework. | 
| Phoenix,
                AZ Maricopa Co. United States | E. Mountain View Rd. / N. Central Ave. (33.57510, -112.07360) | Traffic Calming Circle Existing | All-Way Yield None | 0 Approaches 0 Driveways 16.9162 | Other (At-Grade) Single-Lane | 2006 | Mini-roundabout ICD estimated from Google Maps linework. | 
| Phoenix,
                AZ Maricopa Co. United States | N. 43rd St. / E. Stanford Dr. (33.51700, -111.98930) | Traffic Calming Circle Existing | All-Way Yield None | 0 Approaches 0 Driveways 46.7997 | Other (At-Grade) Single-Lane | 2005 | Mini-roundabout ICD estimated from Google Maps linework. | 
| Eastgate,
                WA King Co. United States | SE 40th St. / 138th Ave. SE (47.57459, -122.15670) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.2865 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2019 | Mini-roundabout adjacent Tyee Middle School, completed October 2019. ICD estimated from Google Maps linework. | 
| Ottawa,
                ON City of Ottawa Canada | Cresthaven Dr. / Fairpark Dr. / Timberline Private (45.27486, -75.70937) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7465 | Other (At-Grade) Single-Lane | 2002 | Minimal splitter islands. Functional Class: Local ICD estimated from Google Maps linework. | 
| Paloma,
                FL Palm Beach Co. United States | Aviles Cir. / Pacifico Ct. (26.85738, -80.10605) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2008 | Minimal splitter islands. One-stage pedestrian crossings. Year Completed estimated (2007-2008). | 
| Golden,
                CO Jefferson Co. United States | Illinois St. / (unknown) (39.73540, -105.21057) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.5747 | Other (At-Grade) Single-Lane | 2002 | Minimal splitter islands. No detectable warnings for the one pedestrian crossing. ICD estimated from Google Maps linework. | 
| Ottawa,
                ON City of Ottawa Canada | Cresthaven Dr. / Waterbridge Dr. (45.28097, -75.70818) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 43.6990 | Other (At-Grade) Single-Lane | 2001 | Minimal splitter islands. ICD estimated from Google Maps linework. | 
| South Jordan,
                UT Salt Lake Co. United States | Blue Mesa Way / Lake Bridge Dr. / Braidwood Dr. (40.55113, -111.98904) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 34.4843 | Other (At-Grade) Single-Lane | 2007 | Minimal splitter islands. ICD estimated from Google Maps linework. | 
| Cedar Park,
                TX Williamson Co. United States | Crockett Rd. / Truman Ln. (30.51700, -97.80960) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 42.6710 | Other (At-Grade) Single-Lane | 2002 | Minimal splitter islands. | 
| Cedar Park,
                TX Williamson Co. United States | Lynnwood Trl. / E Park St. (30.51423, -97.81197) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2002 | Minimal splitter islands on two legs. | 
| Lees Summit,
                MO Jackson Co. United States | SW Arborway Dr. / SW Wysteria Dr. / SW Wysteria Terr. (38.85763, -94.39962) | Roundabout Existing | Unknown None | 4 Approaches 0 Driveways 24.1808 | Other (At-Grade) Single-Lane | 2005 | Minimal splitter islands on three legs; no splitter island on east leg. Year Completed estimated (2004-2005). ICD estimated from Google Maps linework. | 
| Naples,
                FL Collier Co. United States | Bella Tesoro St. / (unknown) (26.02674, -81.64826) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2019 | Minimal splitter islands on northwest, southwest, and southeast legs. Year Completed estimated (2018-2020). | 
| Grand Falls-Windsor,
                NL Newfoundland and Labrador Canada | High St. / Mill Rd. / Church Rd. / Cabot Rd. (48.92798, -55.65984) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 28.2486 | Other (At-Grade) Single-Lane | 1909 | Mill St approach has Yield sign; other approaches have no control signage.(streetview) Built in early days of city, c. 1909. Beacon, known as "the Dummy", in center island. https://www.tac-atc.ca/sites/default/files/conf_papers/macdonaldm_and_allairef_-_the_evolution_of_roundabouts_in_nl.pdf ICD estimated from Google Maps linework. | 
| Murfreesboro,
                TN Rutherford Co. United States | MTSU Blvd. / Blue Raider Dr (35.84867, -86.35948) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.5318 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Middle Tennessee State University campus. ICD estimated from Google Maps linework. | 
| Vrabnitsa,
                Sofia City Sofia Bulgaria | bulevard Lomsko shose / ulitsa Ostrov (42.74044, 23.28740) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | Metro station above roundabout. | |
| Westmeadows,
                Victoria Australia | SR 39 (Mickleham Rd.) / SR 48 (Broadmeadows Rd.) (-37.68142, 144.88380) | Roundabout Existing | All-Way Yield Metering Signal | 3 Approaches 0 Driveways 70.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | Metering signals on south leg for AM peak and on east leg for PM peak. Bus queue bypass lanes and east leg metering signal added 2014. | |
| Melbourne,
                Victoria Kingston Australia | SR 15 (Warrigal Rd.) / Como Parade (-37.98813, 145.07025) | Roundabout Existing | All-Way Yield Metering Signal | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Metering signals installed 2009 separately for AM and PM peaks. | |
| Greensborough,
                Victoria Nillumbik Australia | SR 46 (Greensborough Hwy.) / Diamond Creek Rd. / Civic Dr. (-37.68909, 145.11328) | Roundabout Existing | All-Way Yield Pedestrian Signal (red-yellow-green to drivers) | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | Metering signals installed 2006 on northwest leg (AM peak) and southeast leg (PM peak). Bus bypass lanes and pedestrian crosswalks installed 2014. | |
| Bendigo,
                Victoria Greater Bendigo Australia | B280 (McIvor Rd.-Chapel St.) / C332 (Myers St.) / Lyttleton Terr. (-36.75836, 144.28736) | Roundabout Existing | All-Way Yield Metering Signal | 5 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | Metering signal on northwest leg. | |
| Kew,
                Victoria Boroondara Australia | SR 21 (Princess St.) / Willsmere Rd. / Eglinton St. / Willis St. / Main Dr. (-37.79910, 145.03025) | Roundabout Existing | All-Way Yield Metering Signal | 6 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | Metering signal on north leg. Pedestrian signal on south leg. | |
| Tucson,
                AZ Pima Co. United States | Kolb Rd. / E Territory Dr. (32.30652, -110.84391) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2022 | Metal art in central island. |