| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| San Rafael,
                CA Marin Co. United States | Civic Center Dr. / Peter Behr Dr. (38.00051, -122.53422) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.8221 | Other (At-Grade) Single-Lane | 2016 | ICD estimated from Google Maps linework. | 
| Stockton,
                CA San Joaquin Co. United States | Gold Brook Dr. / Cabin Creek St. (38.00138, -121.27230) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.4104 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Ladysmith,
                VA Caroline Co. United States | Edmund Pendleton Dr. / (unknown) (38.00584, -77.51439) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 50.8177 | Other (At-Grade) Single-Lane | 2006 | Functional Class: Local ICD estimated from Google Maps linework. | 
| Stockton,
                CA San Joaquin Co. United States | E Swain Rd. / Montauban Ave. (38.01248, -121.29015) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0520 | Other (At-Grade) Single-Lane | 2017 | Year Completed estimated (2016-2017). | 
| Stockton,
                CA San Joaquin Co. United States | Montauban Ave. / Hammertown Dr. (38.01652, -121.28893) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4320 | Other (At-Grade) Single-Lane | 2022 | |
| Santiago do Cacém,
                Setúbal Santiago do Cacém Portugal | N261 (Rua de Camilo Castelo Branco - Estrada de Santa Cruz) / N261-3 (Rua Estação dos Caminhos de Ferro) / Rua Gago Coutinho (38.01724, -8.69692) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Santiago do Cacém,
                Setúbal Santiago do Cacém Portugal | N261 (Rua Professor Egas Moniz) / Rua Cidade de Setúbal / Rua do Parque (38.01760, -8.69370) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-lane w/ Traversable Central Island | ||
| Santiago do Cacém,
                Setúbal Santiago do Cacém Portugal | N261 (Rua Professor Egas Moniz) / N120 (Largo 25 de Abril - Avenida Dom Nuno Álvares Pereira) (38.01776, -8.69273) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Santiago do Cacém,
                Setúbal Santiago do Cacém Portugal | N261 (Estrada de Santa André - Estrada de Santa Cruz) / Avenida Manuel da Fonseca / Rua Hospital Conde Bracial (38.01782, -8.69672) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Santiago do Cacém,
                Setúbal Santiago do Cacém Portugal | N120 (Rua de Lisboa - Rua Cidade de Beja) / Rua da Capela (38.01866, -8.69120) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Lexington,
                KY Fayette Co. United States | Alumni Dr. / College Way / Commonwealth St. (38.01878, -84.50541) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.3997 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Newton,
                KS Harvey Co. United States | Wheatridge Dr. / Paddington Ave. (38.02088, -97.34089) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2021 | https://www.newtonkansas.com/Home/Components/News/News/2667 | 
| Lexington,
                KY Fayette Co. United States | Alumni Dr. / University Dr. / University Ct. (38.02175, -84.50949) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.3980 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Newton,
                KS Harvey Co. United States | Windward Dr. / Paddington Ave. (38.02192, -97.34082) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2021 | https://www.facebook.com/photo/?fbid=10159510174853529&set=pcb.10159510184283529 | 
| Hercules,
                CA Contra Costa Co. United States | Maybeck Ln. / Craftsman Dr. (38.02209, -122.26706) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Charlottesville,
                VA Charlottesville Co. United States | 109 Burnet St (38.02424, -78.48827) | Traffic Calming Circle Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 13.1717 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2017 | Neighborhood mini-roundabout placed in lieu of all-way stop when a new section was added in residential development in the City of Charlottesville. ICD estimated from Google Maps linework. | 
| Newton,
                KS Harvey Co. United States | S Anderson Rd. / US 50 Ramps (38.02647, -97.35495) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 128.0160 | Freeway Ramps (Grade-Separated) Single-Lane | 2014 | Elliptical shaped. Terminal for a single-point interchange. ICD = 420 ft x 320 ft. Open August 2014. | 
| Ladysmith,
                VA Caroline Co. United States | Library Blvd. / Azalea Dr. (38.02824, -77.52386) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.6312 | Other (At-Grade) Single-Lane | 2007 | Functional Class: Local ICD estimated from Google Maps linework. | 
| Afton,
                VA Albemarle Co. United States | US 250 (Rockfish Gap Turnpike) / SR 151 (Critzers Shop Rd.) (38.02982, -78.80684) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | https://www.blueridgelife.com/2022/11/17/250-151-roundabout-is-active-so-far-so-good-but-its-early/ | 
| Charlottesville,
                VA Ablemarle Co. United States | Rolkin Rd. / N Pantops Dr. / Montessori Terr. (38.03075, -78.44074) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.1040 | Other (At-Grade) Single-Lane | 2009 | ICD estimated from Google Maps linework. | 
| Lexington,
                KY Fayette Co. United States | S Hanover Ave. / Slashes Rd. (38.03143, -84.48720) | Other Existing | All-Way Stop None | 4 Approaches 3 Driveways 47.0370 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Charlottesville City,
                VA Charlottesville City United States | Oakhurst Circle (38.03147, -78.50666) | Other Existing | Unknown Unknown | 2 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Charlottesville,
                VA Albemarle Co. United States | Rolkin Rd. / Verona Dr / Asheville Dr. (38.03201, -78.44056) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 29.1627 | Other (At-Grade) Single-Lane | 2009 | ICD estimated from Google Maps linework. | 
| Lexington,
                KY Fayette Co. United States | S Hanover Ave. / Fincastle Rd. (38.03292, -84.48508) | Other Existing | All-Way Stop Unknown | 4 Approaches 0 Driveways 33.8660 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Pantops,
                VA Albemarle Co. United States | Avemore Ln. / Calvary Cir,. / Avemore Pond Rd. (38.03796, -78.44612) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Stuarts Draft,
                VA Augusta Co. United States | Stone Dr. / Boulder Dr. (38.03888, -79.01370) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 29.1600 | Other (At-Grade) Single-Lane | 2009 | Year Completed estimated (2008-2011). ICD estimated from Google Maps linework. | 
| Blue Grass-Pigeon,
                IN Vanderburgh Co. United States | Vieth Ln. / Goebel Dr. / (parking) (38.03922, -87.49317) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2002 | Year Completed estimated (1998-2005). | 
| Newton,
                KS Harvey Co. United States | First St. / I-135 Ramps (38.04250, -97.32240) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 65.8419 | Freeway Ramps (Grade-Separated) Single-Lane | 2003 | Single-point interchange. Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| Watari Town,Watari District,
                Miyagi Pref. Japan | (unknown) (38.04373, 140.86918) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| 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. | |
| Stockton,
                CA San Joaquin Co. United States | Buddy Holly Dr. / Nash Dr. (38.04691, -121.27337) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2021 | Year Completed estimated (2020-2021). | 
| Newton,
                KS Harvey Co. United States | Broadway St. / I-135 Ramps (38.05000, -97.32250) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.1441 | Freeway Ramps (Grade-Separated) Single-Lane | 2003 | Single-point interchange. Near roundabout interchange at I-135/1st Street. Roundabout completed January 2002, ramps from I-135 to the roundabout reopened March 2002. Eliptical structure incorporating both NB and SB ramps. Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| Evansville,
                IN Vanderburgh Co. United States | Oak Hill Rd. / Millersburg Rd. / Hedden Rd. (38.05136, -87.50749) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 38.5599 | Other (At-Grade) Single-Lane | 2013 | Rural. Year Completed estimated (2012-2014). ICD estimated from Google Maps linework. | 
| Stockton,
                CA San Joaquin Co. United States | Villa Point Dr. / Marlette Rd. (38.05424, -121.31757) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2007 | Year Completed estimated (2006-2007). | 
| Stockton,
                CA San Joaquin Co. United States | Swainsons Hawk St. / Lands End Dr. (38.05429, -121.34275) | Roundabout Existing | All-Way Yield None | 3 Approaches 2 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2006 | |
| Mount Sterling,
                KY Montgomery Co. United States | Indian Mound Dr. / Spencer Pike (38.05454, -83.91678) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | Year Completed estimated (2021-2022). | 
| Stockton,
                CA San Joaquin Co. United States | Ocean Mist Way / A G Spanos Blvd. (38.05497, -121.34964) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2006 | |
| Stockton,
                CA San Joaquin Co. United States | Breaker Way / Sand Castle Way (38.05649, -121.34750) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2006 | |
| Crozet,
                VA Ablemarle Co. United States | Old Trail Dr. / Golf Dr. (38.05766, -78.71016) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 30.0929 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Crozet,
                VA Ablemarle Co. United States | Old Trail Dr. / (unknown #2) (38.05907, -78.71125) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 30.0923 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Boonville,
                IN Warrick Co. United States | Eskew Rd. / W Millersburg Rd. / W North St. (38.05984, -87.29588) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 37.6150 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Charlottesville,
                VA Charlottesville City United States | Hydraulic Rd. / Hillsdale Dr. / (parking) (38.05989, -78.49010) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2024 | https://www.youtube.com/watch?v=C70k0YmrRP0 | 
| Charlottesville,
                VA Charlottesville Co. United States | Zan Rd. / Line Dr. (38.06343, -78.48792) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 29.1502 | Other (At-Grade) Single-Lane | 2017 | City of Charlottesville project. ICD estimated from Google Maps linework. | 
| Evansville,
                IN Vanderburgh Co. United States | Kansas Rd. / Oak Hill Rd. / Hedden Rd. (38.06424, -87.50676) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 31.9708 | Other (At-Grade) Single-Lane | 2013 | Year Completed estimated (2012-2014). ICD estimated from Google Maps linework. | 
| Crozet,
                VA Ablemarle Co. United States | Old Trail Dr. / West End Dr. (38.06612, -78.71195) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 31.0297 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Lexington,
                KY Lexington-Fayette Co. United States | Old Frankfort Pike / Alexandria Dr. (38.06952, -84.55762) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2010 | |
| Charlottesville,
                VA Albemarle Co. United States | 775 Belvedere Blvd (38.07317, -78.45885) | Other Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 154.1935 | Other (At-Grade) Single-Lane | 2016 | Neighborhood Traffic Circle constructed with buildout of Belvedere Development ICD estimated from Google Maps linework. | 
| Hutchinson,
                KS Reno Co. United States | 23rd Ave. / Severence St. (38.07940, -97.91340) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.7846 | Other (At-Grade) Single-Lane | 2000 | Near the state fairgrounds in Hutchinson Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. | 
| Mineral,
                VA Louisa Co. United States | US 522 (Zachary Taylor Hwy.) / SR 208 (New Bridge Rd.) (38.08007, -77.87956) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | West leg stubbed. Year Completed estimated (2024-2025). | 
| Pinckneyville,
                IL Perry Co. United States | Kennedy Dr. / IL 154 (38.08128, -89.39884) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.8852 | Other (At-Grade) Single-Lane | 2016 | https://thesouthern.com/news/local/communities/pinckneyville/work-progressing-on-roundabout-in-pinckneyville/article_15117fb7-c620-5c5a-9396-51297680745e.html ICD estimated from Google Maps linework. | 
| Monesterio,
                Estremadura Badajoz Spain | N-630 (Carretera de la Ruta de la Plata) / EX-103 (38.08129, -6.26284) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | Concentric circulatory roadway striping. | |
| Monesterio,
                Estremadura Badajoz Spain | EX-103 / E-803 SB Ramps (38.08430, -6.26150) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | Concentric circulatory roadway striping. | |
| Charlottesville,
                VA Albemarle Co. United States | SR 20 (Stony Point Rd.) / SR 649 (Proffit Rd.) (38.08454, -78.40232) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2022 | |
| Monesterio,
                Estremadura Badajoz Spain | EX-103 / E-803 NB Ramps / (unknown) (38.08465, -6.25986) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | Concentric circulatory roadway striping. | |
| Bagheria,
                Sicily Palermo Italy | Via Bernardo Mattarella / Via Nino Bixio (38.08485, 13.50985) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Monesterio,
                Estremadura Badajoz Spain | Ronda de Circunvalación / Avenida de Portugal (38.08778, -6.27868) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Boonville,
                IN Warrick Co. United States | SR 61 / W New Harmony Rd. / W Sheldon Rd. (38.09139, -87.28146) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 44.1786 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Palermo,
                Sicily Palermo Italy | Piazza Beato Giacomo Alberione (38.09175, 13.40928) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Boonville,
                IN Warrick Co. United States | New Harmony Rd. / N Eskew Rd. (38.09180, -87.30094) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 35.7186 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Vallejo,
                CA Solano Co. United States | Azuar Ave. / Sundance Ave. / Bagley St. / Walnut Ave. (38.09329, -122.27020) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 48.8772 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Áno Liósia,
                Attica West Attica Greece | Perifereiaki Leoforos Aigaleo / Fylis (38.09450, 23.68741) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Nagai City,
                Yamagata Pref. Japan | Hirayama (38.09636, 139.98878) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Áno Liósia,
                Attica West Attica Greece | Perifereiaki Leoforos Aigaleo / Pefkakion (38.09674, 23.69944) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Charlottesville,
                VA Albemarle Co. United States | Berkmar Dr. / Hilton Heights Rd. (38.09878, -78.46745) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 35.7152 | Other (At-Grade) Single-Lane | 2016 | ICD estimated from Google Maps linework. | 
| Louisville,
                KY Jefferson Co. United States | Fairdale Rd. / Mt Holly Rd. / W Manslick Rd. / Mitchell Hill Rd. (38.10493, -85.75885) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.7122 | Other (At-Grade) Single-Lane | 2017 | Replaced offset T-intersections. ICD estimated from Google Maps linework. | 
| Hollymead,
                VA Albemarle Co. United States | Archer Ave. / Stella Ln. (38.10602, -78.45457) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.1960 | Other (At-Grade) Single-Lane | 2019 | Year Completed estimated (2017-2021). | 
| Hollymead,
                VA Albemarle Co. United States | Ashwood Blvd. / Stratford Glen / Chimney Rd. (38.10672, -78.43133) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 22.5545 | Other (At-Grade) Single-Lane | 2001 | ICD estimated from Google Maps linework. | 
| Louisville,
                KY Jefferson Co. United States | Smyrna Pkwy. / Cooper Chapel Rd. / Chambers Way (38.11086, -85.64679) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 38.5285 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Hollymead,
                VA Albemarle Co. United States | Powell Creek Dr. / Timberwood Pkwy. / Shady Brook Trl. (38.11509, -78.43404) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 25.3710 | Other (At-Grade) Single-Lane | 2004 | ICD estimated from Google Maps linework. | 
| Hutchinson,
                KS Reno Co. United States | E 56th Ave. / N Plum St. (38.11560, -97.92245) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2009 | Completed September 2009. | 
| Osage Beach,
                MO Camden Co. United States | Burton Duenke Ln. / KK Dr. (38.11672, -92.69313) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.6461 | Other (At-Grade) Single-Lane | 2011 | Right turn bypass lane. ICD estimated from Google Maps linework. | 
| Osage Beach,
                MO Camden Co. United States | Nichols Rd. / (medical center parking) (38.12308, -92.68148) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 32.8847 | Other (At-Grade) Single-Lane | 2016 | http://www.californiademocrat.com/news/news/story/2016/oct/06/nichols-road-closed-osage-beach-pky-us-54-while-roadwork-continues/643517/ ICD estimated from Google Maps linework. | 
| Palermo,
                Sicily Palermo Italy | Via Castellana / Viale Mauro de Mauro / Via Luigi Sarullo (38.12585, 13.30243) | Other Existing | Unknown At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only) | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | Tram junction in central island. | |
| Hollymead,
                VA United States | Town Center Dr. / Grand Forks Blvd. (38.12770, -78.44547) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 31.9431 | Other (At-Grade) Single-Lane | 2009 | ICD estimated from Google Maps linework. | 
| Earlysville,
                VA Albemarle Co. United States | VA 606 (Dickerson Rd) / CR 743 (Earlysville Rd) (38.12790, -78.46013) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 46.9750 | Other (At-Grade) Single-Lane | 2008 | ICD estimated from Google Maps linework. | 
| Palermo,
                Sicily Palermo Italy | Piazza Albert Einstein (38.12896, 13.32943) | Other Existing | Other At-grade Rail Crossing Signal/Beacon | 4 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Unknown | Signals controlling tram crossing through central island. | |
| Hollymead,
                VA Albemarle Co. United States | Timberwood Blvd. / Conner Blvd. (38.13065, -78.44083) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.8813 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Hollymead,
                VA Albemarle Co. United States | Timberwood Blvd. / Grand Forks Blvd. (38.13111, -78.44283) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 93.9459 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Staunton,
                VA Staunton City Co. United States | George Cochran Pkwy. / Frontier Center Trl. (38.13226, -79.04280) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2017 | Right-turn-only lane on northeast leg. Fourth leg stubbed. Year Completed estimated (2015-2017). | 
| Staunton,
                VA Staunton City United States | SR 1426 / (unknown) (38.13265, -79.03823) | Unknown Existing | Unknown Unknown | 2 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Hollymead,
                VA Albemarle Co. United States | Rte. 649 / Rte. 606 / Airport Rd. (38.13692, -78.44793) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.3634 | Other (At-Grade) Single-Lane | 2005 | Serves as entrance to airport. Previously controlled by all-way stop ICD estimated from Google Maps linework. | 
| Salt Lick,
                KY Rowan Co. United States | US 60 / KY 801 (38.14114, -83.54918) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2021 | On Rowan County-Bath County line. https://www.wkyt.com/2021/04/07/first-roundabout-in-northeastern-ky-to-soon-be-constructed-in-rowan-county/ | 
| Gordonsville,
                VA Orange Co. United States | James Madison Hwy / N. Main St. / Spotswood Trl. (38.14261, -78.18947) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 31.9366 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Lodi,
                CA San Joaquin Co. United States | Cherokee Ln. / SR 99 SB Exit Ramp / (connector to E Turner Rd.) (38.14475, -121.26156) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.1000 | Freeway Ramps (Grade-Separated) Single-Lane | 2023 | Raindrop shaped. https://www.youtube.com/watch?v=K4bMgmfZOPg | 
| Palermo,
                Sicily Palermo Italy | Piazza Vittorio Veneto (38.14561, 13.34206) | Other Existing | Unknown Unknown | 5 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Lexington,
                KY Fayette Co. United States | Iron Works Pkwy. / War Admiral Blvd. / Jenney Ln. (38.14812, -84.52026) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 41.3265 | Other (At-Grade) Single-Lane | 2009 | ICD estimated from Google Maps linework. | 
| Palermo,
                Sicily Palermo Italy | Via Belgio / E90 Ramps (38.14883, 13.32646) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | ||
| Palermo,
                Sicily Palermo Italy | Piazza Papa Giovanni Paolo II (38.15131, 13.33838) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Frankfort,
                KY Franklin Co. United States | Cardwell Lane / C. Michael Davenport Blvd. (38.16095, -84.91826) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 34.7458 | Other (At-Grade) Single-Lane | 2015 | Functional Class: Major Collector ICD estimated from Google Maps linework. | 
| Rio Vista,
                CA Solano Co. United States | SR 12 / SR 113 / Birds Landing Rd. (38.18362, -121.80611) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.4901 | Other (At-Grade) Single-Lane | 2019 | Still under construction in Sept. 2019, but operating as a roundabout. ICD estimated from Google Maps linework. | 
| Santa Margarida da Serra,
                Setúbal Grândola Portugal | Rua Dom Nuno Álvares Pereira / Al. 22 de Outubro / (retail entrance) (38.18418, -8.56794) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| 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. | |
| Palermo,
                Sicily Palermo Italy | Piazza Simon Bolivar (38.18885, 13.29965) | Rotary Existing | All-Way Stop Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Palermo,
                Sicily Palermo Italy | Via dell'Olimpo / Viale Sandro Pertini (38.18895, 13.31500) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | Diamond-shaped central island. | |
| Pinecrest,
                CA Tuolumne Co. United States | Lakeshore Dr. / Rustic Rd. (38.19015, -119.99059) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 27.4320 | Other (At-Grade) Single-Lane | 2019 | Primarily intended to provide a final turnaround opportunity for RVs and buses within the Pinecrest Recreation Area (see http://pinecrestlakeupdate.com/images/uploads/100421_Pinecrest_TCP_Plan_For_FERC.pdf). Painted splitter islands. | 
| Taylorville,
                MD Worcester Co. United States | Bayberry Dr. / (parking) (38.19142, -75.15861) | Other Existing | Other Unknown | 4 Approaches 1 Driveways 0.0000 | Other (At-Grade) Single-Lane | Yield control on circulatory roadway. | |
| Louisville,
                KY Jefferson Co. United States | Stony Farm Dr. / Stara Way (38.19654, -85.59588) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.3426 | Other (At-Grade) Single-Lane | 2006 | Year Completed estimated (2006-2007). ICD estimated from Google Maps linework. | 
| Georgetown,
                KY Scott Co. United States | Showalter Dr. / Seminole Trl. (38.19731, -84.58024) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2006 | |
| Palermo,
                Sicily Palermo Italy | Piazzale Giove (38.19899, 13.32498) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| American Canyon,
                CA Napa Co. United States | Devlin Rd. / Boone Dr. / (parking) (38.20182, -122.26679) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2022 |