| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Billings,
                MT Yellowstone Co. United States | Hwy 3 / 27th St. / Airport Rd. (45.80209, -108.53540) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7937 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Located at Billings airport. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Conway,
                AR Faulkner Co. United States | Prince St. / Western Ave. (35.09203, -92.45590) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.7935 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Located at Entrance to High School Complex Previously controlled by two way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Windsor,
                CT Hartford Co. United States | Prospect Hill Rd. / Lang Rd. (41.89153, -72.69762) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 25.7830 | Other (At-Grade) Single-Lane | 1998 | Located at entrance to industrial park. Year Completed estimated (1992-2004). ICD estimated from Google Maps linework. | 
| Anchorage,
                AK Anchorage United States | Piper St. / E 40th Ave. (61.18451, -149.82323) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.0040 | Other (At-Grade) Single-Lane | 2013 | Located at entrance to Providence Medical Center hospital. | 
| Los Angeles,
                CA Los Angeles Co. United States | Ignation Cir. / Loyola Blvd. (33.96856, -118.41666) | Other Existing | Other Unknown | 3 Approaches 0 Driveways 21.7912 | Other (At-Grade) Single-Lane | Located at Loyola Marymount University. Two stop signs, one uncontrolled. ICD estimated from Google Maps linework. | |
| Denver,
                CO Denver Co. United States | Chopper Cir. / VIP Parking / 9th St. / Access Rd (39.74721, -105.00810) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 52.3424 | Other (At-Grade) Single-Lane | 1999 | Located at Pepsi Center arena Functional Class: Collector ICD estimated from Google Maps linework. | 
| El Paso,
                TX El Paso Co. United States | Rick Husband Dr. / (parking) (31.93739, -106.40441) | Other Existing | Uncontrolled None | 3 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Located at the terminus of Rick Husband Drive. | 
| Lihue,
                HI Kauai Co. United States | Hardy St. / Umi St. (21.97617, -159.36577) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2015 | Located at Wilcox Elementary School. | 
| Binghamton,
                NY Broome Co. United States | Court St. / Exchange St. / Chenango St. (42.09878, -75.91089) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2014 | Located in downtown next to courthouse. Year Completed estimated (2012-2015). | 
| Noblesville,
                IN Hamilton Co. United States | E 141st St. / Breakthrough Dr. (39.99472, -85.91414) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2025 | Located in Noblesville Event Center. https://nobport.cityofnoblesville.org/maps/PublicViewer.html. | 
| Guelph,
                ON Wellington County Canada | Summerfield Dr. / Colonial Dr. (43.51809, -80.18253) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 29.4466 | Other (At-Grade) Single-Lane | 2001 | Located in Pine Ridge East residenital subdivision Functional Class: Collector ICD estimated from Google Maps linework. | 
| Waco,
                TX McLennan Co. United States | Mickler Ln. / Kestrel Ct. (31.63708, -97.24145) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2013 | Located in residental subdivision. No visible traffic control on Mickler Ln. | 
| Garner,
                NC Wake Co. United States | Shenstone Blvd. / Carillon Dr. (35.69324, -78.58185) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 32.0092 | Other (At-Grade) Single-Lane | 2003 | Located in White Oak Crossing strip mall. Under construction June, 2002 per Google Earth. ICD estimated from Google Maps linework. | 
| Houston,
                TX Harris Co. United States | (unknown) / (parking) (29.78350, -95.64796) | Roundabout Existing | All-Way Yield None | 2 Approaches 4 Driveways 35.0520 | Other (At-Grade) Single-Lane | 2008 | Located midway on access road of private development. | 
| Newberg,
                OR Yamhill Co. United States | N Springbrook Rd. / Crestview Dr. / (future leg) (45.31532, -122.94593) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 55.4306 | Other (At-Grade) Single-Lane | 2007 | Located near Portland and Western railroad crossing. Replaced offset T-intersections. ICD estimated from Google Maps linework. | 
| Nashua,
                NH Hillsborough Co. United States | Main St. / Daniel Webster Hwy (42.73881, -71.45826) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 32.4557 | Other (At-Grade) Single-Lane | 2003 | Located near Rivier College, 1/4 mile north of Exit 3 of the Everett Turnpike. ICD estimated from Google Maps linework. | 
| Arlington,
                TX Tarrant Co. United States | Road to Six Flags St. / Nolan Ryan Expressway (32.75547, -97.08702) | Other Existing | All-Way Yield None | 2 Approaches 2 Driveways 106.6800 | Other (At-Grade) Multilane (3+ Lane) | 1993 | Located northwest of Rangers Stadium Ballpark. | 
| Raleigh,
                NC Wake Co. United States | Pullen Rd. / Stinson Dr. (35.78457, -78.66421) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 19.3773 | Other (At-Grade) Single-Lane | 2002 | Located on campus of North Carolina State University. Completed November 2002. Used to have Pedestrian signal located upstream of roundabout (removed in 2006) Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework. | 
| El Paso,
                TX El Paso Co. United States | Constitution Ave. / Gulf Victory Way (31.84900, -106.35481) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 94.4880 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | Located on Fort Bliss. | 
| El Paso,
                TX El Paso Co. United States | Constitution Ave. / (unknown) (31.85059, -106.35745) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 76.2000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | Located on Fort Bliss. | 
| El Paso,
                TX El Paso Co. United States | Gulf Victory Way / Constitution Ave. (31.84527, -106.35999) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 75.8952 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | Located on Fort Bliss. Concentric circulatory roadway striping. | 
| El Paso,
                TX El Paso Co. United States | Liberty Expressway / Torch St. (31.88384, -106.33170) | Other Existing | Uncontrolled None | 3 Approaches 0 Driveways 70.1040 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Located on Fort Bliss. No evidence of yield signs on entry. | 
| San Marcos,
                TX Hays Co. United States | Moon St. / E Woods St. (29.88774, -97.93831) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2013 | Located on Texas State University campus. | 
| Denton,
                TX Denton Co. United States | Copper Canyon Dr. / Marigold Ln. (33.22563, -96.86580) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5277 | Other (At-Grade) Single-Lane | 2017 | Located south of new Elementary School (Propser ISD). | 
| Davenport,
                IA Scott Co. United States | Leclaire St. / E 2nd St. (41.52114, -90.56831) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2024 | Located underneath railroad bridge and connecting to lower deck of bridge over river. https://www.kwqc.com/video/2024/08/09/rock-island-arsenal-davenport-update-progress-government-bridge-traffic-circle/ | 
| Thierville-sur-Meuse,
                Grand Est Meuse France | Place Relais de Poste (D38 / Rue Niel) (49.16400, 5.36631) | Other Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Long oval shaped. Pedestrian crossing through central island. | |
| Port Salerno,
                FL Martin Co. United States | Old Dixie Hwy / St. Lucie Blvd. / SE Manatee Ln. (27.14908, -80.20197) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.8195 | Other (At-Grade) Single-Lane | 2002 | Long oval. ICD estimated from Google Maps linework. | 
| Port Salerno,
                FL Martin Co. United States | SE Salerno Rd. / SE Martin Meadows Ave. / (unknown) / (unknown) (27.13707, -80.21922) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 38.2628 | Other (At-Grade) Single-Lane | 2009 | Long oval. ICD estimated from Google Maps linework. | 
| Orlando,
                FL Orange Co. United States | Poinciana Blvd. / Lake Buena Vista Factory Stores Dr. (28.35144, -81.48799) | Rotary Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 94.4880 | Other (At-Grade) Multilane (2 Lane, unspecified) | Long segments between entries and exits. | |
| Kissimmee,
                FL Osceola Co. United States | Storey Lake Blvd. / Natures Ridge Dr. / Bamboo Ln. (28.33408, -81.47460) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 67.0560 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2017 | Long segments of circulatory roadway between entries and exits. | 
| Fort Collins,
                CO Larimer Co. United States | CR 9 / CR 30 (40.46569, -105.02033) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.7110 | Other (At-Grade) Single-Lane | 2009 | Long splitter islands. Year Completed estimated (2009-2011). ICD estimated from Google Maps linework. | 
| Fort Collins,
                CO Larimer Co. United States | CR 30 / CR 11 (S Timberline Rd.) (40.46567, -105.03951) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 34.5283 | Other (At-Grade) Single-Lane | 2015 | Long splitter islands. Year Completed estimated (2014-2016). ICD estimated from Google Maps linework. | 
| Loveland,
                CO Larimer Co. United States | CR 30 / CR 11C (40.46562, -105.04412) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.6197 | Other (At-Grade) Single-Lane | 2015 | Long splitter islands. Year Completed estimated (2014-2016). ICD estimated from Google Maps linework. | 
| Lowell,
                MA Middlesex Co. United States | Industrial Ave / American Legion Connector Hwy SB Ramps (42.61379, -71.32136) | Rotary Existing | All-Way Yield None | 5 Approaches 0 Driveways 75.5895 | Freeway Ramps (Grade-Separated) Unknown | Longtime rotary near Lowell Connector. ICD estimated from Google Maps linework. | |
| Lusby,
                MD Calvert Co. United States | HG Trueman Rd. (MD 765) / / Southern Connector Blvd. (38.36413, -76.44936) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 49.6319 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Looks like it's being finished up in Oct 2008 on streetview. ICD estimated from Google Maps linework. | 
| (unincorporated),
                FL St. Lucie Co. United States | SW Westcliffe Ln. / (unknown) (27.27572, -80.44907) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 49.8921 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Looks to be sized for multilane but unmarked in 2012. ICD estimated from Google Maps linework. | 
| Kells,
                Co Meath Ireland | N52 / R941 (Balrath Rd.) / M3 On-Ramp (53.71766, -6.89396) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | M3 Ramp is outbound only. | |
| Montpelier,
                VT Washington Co. United States | Keck Circle (Main St. / Spring St.) (44.26283, -72.57178) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 25.6594 | Other (At-Grade) Single-Lane | 1995 | Main Street Middle School located one block NE of roundabout. ICD estimated from Google Maps linework. | 
| Waco,
                TX McLennan Co. United States | Crosslake Pkwy. / Legend Lake Pkwy. (31.49100, -97.15920) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2006 | Major internal street intersection for a 159-acre tract (74.5 acres of this is Hospital and Medical complex). | 
| San Diego,
                CA San Diego Co. United States | Sea Ridge Dr. / Chelsea St. (32.80875, -117.26520) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 21.0801 | Other (At-Grade) Single-Lane | 2007 | Marginal roundabout. No splitter islands. ICD estimated from Google Maps linework. | 
| Central Sefton,
                England Sefton United Kingdom | Mersey Rd. / Bridge Rd. / Warren Rd. (53.48446, -3.04053) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-lane w/ Traversable Central Island | Mariners Rd. intersects the Warren Rd. approach. | |
| Riverview,
                FL Hillsborough Co. United States | Blue Beach Dr. / Still River Dr. (27.87505, -82.36305) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Marked bike lane around circulatory roadway. | 
| Windsor,
                ON Essex Canada | Banwell Rd. / Mulberry Dr. / Wildwood Dr. (42.30610, -82.89931) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 58.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Marked pedestrian crossings and RRFBs on north and west legs only. | 
| Bakersfield,
                CA Kern Co. United States | Wings Way / Citation Way (35.43966, -119.05212) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2019 | Marked with double left turns but only one receiving exit lane. Year Completed estimated (2018-2020). | 
| Rotterdam Havens,
                South Holland Rotterdam Netherlands | Merseyweg (51.89617, 4.24374) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Marked with temporary barriers and markings only. Located within Port of Rotterdam. | |
| Annapolis,
                MD Anne Arundel Co. United States | State Circle (38.97890, -76.49063) | Other Existing | Unknown Unknown | 6 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Maryland State House in central island. | |
| Sequim,
                WA Clallam Co. United States | W Washington St. / S 9th Ave. (48.07909, -123.12400) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2007 | May 2007. | 
| Blaine,
                WA Whatcom Co. United States | I-5 NB Ramps / D St. / 2nd St. (48.99810, -122.75140) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.6939 | Freeway Ramps (Grade-Separated) Single-Lane | 2010 | May 2010. ICD estimated from Google Maps linework. | 
| Granite Falls,
                WA Snohomish Co. United States | Granite Falls Access Rd. / SR 92 (48.08332, -121.99000) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.2978 | Other (At-Grade) Single-Lane | 2010 | May 2010. ICD estimated from Google Maps linework. | 
| Blaine,
                WA Whatcom Co. United States | I-5 SB Ramps / Peace Portal Dr. / Marine Dr. (48.99723, -122.75250) | Roundabout Existing | All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) | 4 Approaches 0 Driveways 26.6422 | Freeway Ramps (Grade-Separated) Single-Lane | 2010 | May 2010. Roundabout is ~200 ft from railroad crossing. ICD estimated from Google Maps linework. | 
| Olympia,
                WA Thurston Co. United States | Yelm Hwy SE / Brassfield Rd. SE (47.00372, -122.87309) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2011 | May 2011. | 
| Olympia,
                WA Thurston Co. United States | Yelm Hwy SE / Boulevard Rd. SE (47.00397, -122.86540) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 3 Approaches 1 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | May 2011. Right-turn-only lane on north leg. Located about 1000 feet from Centennial Elementary School and serves as a walking and school bus route. | 
| Marysville,
                WA Snohomish Co. United States | 25th Ave. NE / 174th St. NE (48.15374, -122.19930) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 24.7001 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2017 | May be large enough to qualify as a compact roundabout but has a fully traversable central island. ICD estimated from Google Maps linework. | 
| Brandywine,
                MD Prince George's Co. United States | MD 373 / Accokeek Rd. / MD 5 (Branch Ave.) SB On-Ramp (38.70076, -76.87599) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2019 | MD 5 (Branch Ave.) was converted to limited access. https://www.thebaynet.com/articles/0419/newtrafficshiftstartsinbrandywineareathursday.html. | 
| Annemasse,
                Auvergne-Rhône-Alpes Haute-Savoie France | Avenue de Verdun / Avenue de Leman (46.18286, 6.24087) | Signalized Roundabout/Circle Existing | All-Way Yield Other | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Median-running bus-only lane on north leg can make left turn at roundabout using signal-controlled bus-only lane through central island. | |
| Moscow,
                Moscow City Moscow Russia | Chertanovskaya ulitsa / ulitsa Krasnogo Mayaka (55.61274, 37.59181) | Roundabout Existing | All-Way Yield At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only) | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | Median-running tram line through central island. | |
| Fort Worth,
                TX Tarrant Co. United States | Crawford St. / E Oleander St. (32.73173, -97.32427) | Other Existing | Uncontrolled None | 3 Approaches 0 Driveways 35.0520 | Other (At-Grade) Single-Lane | 2002 | Medical development. No splitter islands on two legs; pedestrian access to central island. | 
| Daphne,
                AL Baldwin Co. United States | CR-64 / CR-13 (30.60376, -87.86897) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 46.2586 | Other (At-Grade) Single-Lane | 2015 | Merge-type bypass lane on east leg. ICD estimated from Google Maps linework. | 
| Alpharetta,
                GA Fulton Co. United States | Hopewell Rd. / Birmingham Rd. (34.16261, -84.28773) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 28.6591 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2016 | Merge-type right-turn bypass lane on west leg. Year Completed estimated (2015-2017). ICD estimated from Google Maps linework. | 
| Alexandria,
                MN Douglas Co. United States | STH 29 / CR 28 / CR 87 (45.83127, -95.38801) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.1054 | Other (At-Grade) Single-Lane | 2015 | Merge-type right-turn bypass lanes on east and north legs. ICD estimated from Google Maps linework. | 
| Zionsville,
                IN Boone Co. United States | Michigan Rd. (US 421) / West Base Line Rd. (40.04096, -86.28524) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.2318 | Other (At-Grade) Single-Lane | 2015 | Merge-type right-turn bypass lanes on north and south legs. ICD estimated from Google Maps linework. | 
| Ypsilanti,
                MI Washtenaw Co. United States | Geddes Rd. / Superior Rd. (42.27492, -83.63755) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Merging right-turn bypass lane in northeast quadrant. | 
| Kansas City,
                MO Clay Co. United States | N Shoal Creek Pkwy. / Maplewoods Pkwy. (39.28995, -94.55702) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Single-Lane | 2021 | Merging right-turn bypass lane lane on west leg. https://www.kcmo.gov/Home/Components/FacilityDirectory/FacilityDirectory/139/360?npage=2 | 
| St Charles,
                MO St. Charles Co. United States | Tecumseh St. / N 3rd St. (38.79739, -90.47611) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 32.0037 | Other (At-Grade) Single-Lane | 2010 | Merging right-turn bypass lane on east leg. | 
| Indianapolis,
                IN Hendricks Co. United States | Dan Jones Rd. / Morris St. (CR 100 South) (39.74842, -86.38113) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 59.4360 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2007 | Merging right-turn bypass lane on east leg. | 
| Northfield Township,
                MI Washtenaw Co. United States | N Territorial Rd. / US 23 NB Ramps (42.37969, -83.75634) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Merging right-turn bypass lane on east leg. | 
| Oxford,
                MS Lafayette Co. United States | Sisk Ave. / SR 7 NB Ramps (34.37317, -89.50007) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 44.1960 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2018 | Merging right-turn bypass lane on east leg. | 
| Welch,
                MN Goodhue Co. United States | US 61 / STH 316 (44.60080, -92.77233) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | 2022 | Merging right-turn bypass lane on east leg. https://www.dot.state.mn.us/d6/projects/hwy61-hwy316/index.html | 
| Burlington,
                IA Des Moines Co. United States | West Ave. / W Burlington Ave. (40.80061, -91.15269) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 37.0678 | Other (At-Grade) Single-Lane | 2017 | Merging right-turn bypass lane on east leg. ICD estimated from Google Maps linework. | 
| Eau Claire,
                WI Eau Claire Co. United States | State St. / E Lexington Blvd. (44.79197, -91.49592) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 39.6240 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2019 | Merging right-turn bypass lane on east leg. W Lexington Blvd meets State St just south of the roundabout and is controlled by a stop sign. https://www.eauclairewi.gov/our-city/construction-projects/future-projects/state-street | 
| Roseville,
                CA Placer Co. United States | Albertsons Dr. / (parking) (38.79187, -121.31505) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2001 | Merging right-turn bypass lane on east leg. Year Completed estimated (1998-2002). | 
| Falkenberg,
                Halland County Falkenbergs kommun Sweden | Industrivägen and Göteborgsvägen (56.90852, 12.46575) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2008 | Merging right-turn bypass lane on east leg. Year Completed estimated (2007-2009). | 
| Ruffs Dale,
                PA Westmoreland Co. United States | Waltz Mill Rd. / SR 3014 (Hunker Rd.) / Waltz Mill Flats Rd. (40.21406, -79.66566) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Single-Lane | 2021 | Merging right-turn bypass lane on east leg. Year Completed estimated (2020-2021). | 
| The Aurora Highlands,
                CO Adams Co. United States | Aurora Highlands Pkwy. / Denali Blvd. (39.77048, -104.70663) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2021 | Merging right-turn bypass lane on east leg; add-lane bypass lane on north leg. Year Completed estimated (2020-2021). | 
| Delta,
                BC Greater Vancouver Canada | Nordel Way / Highway 91 Connector EB Ramps / Frontage Rd. (49.14617, -122.94689) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 55.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2022 | Merging right-turn bypass lane on east leg; add-lane right-turn bypass lane on south leg. | 
| St Charles,
                MO St. Charles Co. United States | Veterans Memorial Pkwy. / Fairgrounds Rd. (38.76989, -90.50100) | Roundabout Unknown | All-Way Yield None | 4 Approaches 0 Driveways 42.6717 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2017 | Merging right-turn bypass lane on north leg. | 
| Fort Wayne,
                IN Allen Co. United States | E Tillman Rd. / Minnich Rd. (41.01954, -85.00032) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2018 | Merging right-turn bypass lane on north leg. | 
| Viborg,
                Middle Jutland Viborg Denmark | Primærrute 16-Primærrute 13 (Nordre Ringvej) / Primærrute 13 (Aalborgvej) / Indre Ringvej (56.47475, 9.41660) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Merging right-turn bypass lane on north leg. | |
| Lethbridge,
                AB Alberta Canada | Garry Station Port W / Aquitania Blvd W (49.68692, -112.91273) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 35.0000 | Other (At-Grade) Single-Lane | 2012 | Merging right-turn bypass lane on north leg. | 
| Lethbridge,
                AB Alberta Canada | Keystone Terr. / Coalbanks Gate / Silkstone Rd. W (49.66938, -112.90330) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.0000 | Other (At-Grade) Single-Lane | 2012 | Merging right-turn bypass lane on north leg. | 
| Broussard,
                LA Lafayette Par. United States | W Fairfield Dr. / S Bernard Rd. (30.11737, -91.97755) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 44.1960 | Other (At-Grade) Single-Lane | 2017 | Merging right-turn bypass lane on north leg. Add-lane right-turn bypass lane on east leg. Year Completed estimated (2017-2018). | 
| Acoma Indian Reservation,
                NM McKinley Co. United States | SH 30 / I-40 WB Ramps (35.07505, -107.56110) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 65.4884 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2010 | Merging right-turn bypass lane on north leg. Series of 3 roundabouts. ICD estimated from Google Maps linework. | 
| Salisbury,
                MD Wicomico Co. United States | Walston Switch Rd. / Campus Dr. / Summer Dr. (38.37359, -75.50358) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2016 | Merging right-turn bypass lane on north leg. Year Completed estimated (2013-2016). | 
| Chillicothe,
                IL Peoria Co. United States | N Old Galena Rd. / N State St. (40.83312, -89.56268) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 56.3880 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2015 | Merging right-turn bypass lane on north leg. Year Completed estimated (2013-2016). | 
| Kohler,
                WI Sheboygan Co. United States | Lower Falls Rd. (CR PP) / CR A (43.73846, -87.76974) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.1960 | Other (At-Grade) Single-Lane | 2017 | Merging right-turn bypass lane on north leg. Year Completed estimated (2015-2019). | 
| Legnica,
                Dolnośląskie Legnica Poland | Rondo Unii Europejskiej [DW364 (Złotoryjska) / DW323 (Zachodnia)] (51.19239, 16.12761) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Merging right-turn bypass lane on northwest leg. | |
| Littleton,
                CO Douglas Co. United States | Chatfield Lake Rd. / N Roxborough Park Rd. (39.52660, -105.05232) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 44.1960 | Other (At-Grade) Single-Lane | 2020 | Merging right-turn bypass lane on south leg. | 
| Brighton,
                NY Monroe Co. United States | E Henrietta Rd. / (unklnown) (43.09657, -77.60624) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2014 | Merging right-turn bypass lane on south leg. | 
| Karlshamn,
                Blekinge County Karlshamns kommun Sweden | Jannebergsvägen / Korpadalsvägen (56.19404, 14.84189) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.7680 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2010 | Merging right-turn bypass lane on south leg. | 
| Boscawen,
                NH Merrimack Co. United States | US 4 (King St.) / Tremont St. (43.29130, -71.59523) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2011 | Merging right-turn bypass lane on south leg. | 
| Kättorp,
                Blekinge County Ronneby kommun Sweden | Karlshamnsvägen / Västervägen / Viggenvägen (56.23284, 15.25960) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 55.0000 | Other (At-Grade) Single-Lane | 2010 | Merging right-turn bypass lane on south leg. Completed in 2010 or earlier. | 
| 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/ | 
| Union,
                OH Montgomery Co. United States | Dog Leg Rd. / Union Airpark Blvd. / Martindale Rd. (39.89519, -84.25501) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Merging right-turn bypass lane on south leg. Yield-controlled right-turn bypass lane on west leg. Designed for future double-left-turn on east leg. https://www.daytondailynews.com/local/new-roundabout-at-union-airpark-blvd-and-dog-leg-road/44be0409-4bf4-4c75-abdd-b5d18f213524/ | 
| Kamloops,
                BC Thompson-Nicola Canada | Hugh Allan Dr. / Versatile Dr. (50.65301, -120.38349) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2014 | Merging right-turn bypass lane on southeast leg. Year Completed estimated (2012-2016). | 
| Allen,
                TX Collin Co. United States | Montgomery Blvd. / Miller Rd. (33.08474, -96.68698) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2016 | Merging right-turn bypass lane on west leg. | 
| Keszthely,
                Zala Keszthelyi járás Hungary | SR 71 / SR 75 / Alsópáhoki út (46.76180, 17.21463) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Merging right-turn bypass lane on west leg. | |
| Lethbridge,
                AB Alberta Canada | Mauretania Rd. / (unknown) (49.67145, -112.90948) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2012 | Merging right-turn bypass lane on west leg. | 
| Northfield Township,
                MI Washtenaw Co. United States | N Territorial Rd. / US 23 SB Ramps (42.37952, -83.75786) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Merging right-turn bypass lane on west leg. | 
| Halmstad,
                Halland County Halmstads kommun Sweden | Växjövägen / E6 NB Ramps (56.67432, 12.90147) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 51.8160 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) | 2009 | Merging right-turn bypass lane on west leg. Concentric striped circulatory roadway. | 
| Acoma Indian Reservation,
                NM McKinley Co. United States | SH 30 / I-40 EB Ramps (35.07341, -107.56120) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 65.4897 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2010 | Merging right-turn bypass lane on west leg. Series of 3 roundabouts. ICD estimated from Google Maps linework. |