| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Varberg,
                Halland County Varberg Sweden | Träslövsvägen / Skansgatan / Ringvägen (57.10349, 12.26032) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 32.0040 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2000 | The roundabout was most likely constructed before 2000. It has a central island consisting of a traversable apron separated from the travel lane by a low traversable granite curb | 
| Varberg,
                Halland County Varberg Sweden | Träslövsvägen / Sveagatan (57.10469, 12.25597) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2017 | This was a conventional intersection with 2-way yield control in 2011 and was reconstructed as a roundabout by 2017. | 
| Auburndale,
                FL Polk Co. United States | Travelers Creek Dr. / Juliana Village Blvd. (28.12978, -81.79219) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Marseille,
                Provence-Alpes-Côte d'Azur Bouches-du-Rhône France | Traverse Chevalier / Rue du Professeur Roger Luccioni (43.27314, 5.43143) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Pikesville,
                MD Baltimore Co. United States | Travertine Dr. (39.38721, -76.68990) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | Parking along circulatory roadway; pedestrian access to central island. | |
| Fort Worth,
                TX Tarrant Co. United States | Travertine Ln. / Siltstone Ln. (32.85241, -97.30083) | Other Existing | Uncontrolled None | 3 Approaches 1 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2007 | Constructed as part of apartment complex. No splitter islands. Head-in parking spaces off circle. | 
| (unincorporated),
                MD Montgomery Co. United States | Travilah Rd. / Turkey Foot Rd. / Hanson Farm Dr. (39.07993, -77.25560) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2020 | Painted splitter islands. Year Completed estimated (2019-2020). | 
| Overland Park,
                KS Johnson Co. United States | Travis Ln. / Travis St. / W 86th St. (38.97299, -94.66643) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4317 | Other (At-Grade) Single-Lane | 2010 | Prior to adding YIELD signs and striping, intersection only had one YIELD sign with a island in the middle. | 
| Conyers,
                GA Rockdale Co. United States | Travis St. / Hardin St. / Okelly St. (33.66432, -84.01964) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 22.8629 | Other (At-Grade) Single-Lane | 2001 | Year Completed estimated (1999-2002). ICD estimated from Google Maps linework. | 
| (unincorporated),
                FL Brevard Co. United States | Travistock Dr. / Charolais Way (28.26875, -80.74940) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.7642 | Other (At-Grade) Single-Lane | 2004 | ICD estimated from Google Maps linework. | 
| Westchase,
                FL Hillsborough Co. United States | Tree Tops Lake Rd. / Tree Tops Lake Rd. (28.05761, -82.59971) | Other Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter island on east leg. | |
| Colorado Springs,
                CO El Paso Co. United States | Treeline View / Stately View (38.87351, -104.86560) | Roundabout Existing | Unknown Unknown | 3 Approaches 0 Driveways 38.1228 | Other (At-Grade) Single-Lane | 2003 | ICD estimated from Google Maps linework. | 
| Coatesville,
                PA Chester Co. United States | Trego Ave. / (unknown) (39.97548, -75.89578) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Coatesville,
                PA Chester Co. United States | Trego Ave. / Fuller St. (39.97676, -75.89185) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Eslöv,
                Skåne County Eslöv Sweden | Trehäradsvägen / Lundavägen (55.83266, 13.30999) | Roundabout Unknown | All-Way Yield None | 4 Approaches 0 Driveways 35.0000 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2015-2016). | 
| Eslöv,
                Skåne County Eslöv Sweden | Trehäradsvägen / Sallerupsvägen (55.83251, 13.30205) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0000 | Other (At-Grade) Single-Lane | 2014 | Previous control was one-way yield and before that 2-way yield. Year Completed estimated (2012-2015). | 
| Roskilde,
                Zealand Roskilde Denmark | Trekroner Alle / Trekroner Parkvej / Marbjergvej (55.65052, 12.14409) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Bike lane around circulatory roadway. | |
| Roskilde,
                Zealand Roskilde Denmark | Trekroner AlleTrekroner Alle / Trekroner Stationsvej / Nordens Parkvej (55.65017, 12.12961) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Bike lane around circulatory roadway. | |
| Four Cross,
                England Cornwall United Kingdom | Treluswell Roundabout [A39 / A393 / B3292] (50.18435, -5.12439) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Palmerston North,
                Wanganui-Manawatu Palmerston North New Zealand | Tremaine Ave. / Botanical Rd. / Gillespies Line (-40.35091, 175.58457) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Kidney shaped. | |
| Milton,
                ON Halton Canada | Tremaine Rd. / Britannica Rd. W (43.46689, -79.85672) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 52.8754 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2015 | Replaced offset T-intersections. ICD estimated from Google Maps linework. | 
| Milton,
                ON Halton Canada | Tremaine Rd. / Louis Saint Laurent Ave. (43.47633, -79.87020) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 58.0672 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2015 | ICD estimated from Google Maps linework. | 
| Milton,
                ON Halton Canada | Tremaine Rd. / Main St. W (43.49537, -79.89726) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 51.1177 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | ICD estimated from Google Maps linework. | 
| Milton,
                ON Halton Canada | Tremaine Rd. / Steeles Ave. W (43.50658, -79.91068) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 48.5095 | Other (At-Grade) Single-Lane | 2015 | Fourth leg closed, built for future expansion. ICD estimated from Google Maps linework. | 
| Port Orchard,
                WA Kitsap Co. United States | Tremont St. W / Pottery Ave. (47.52537, -122.65229) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2019 | https://www.youtube.com/watch?v=PctOoSym9oE | 
| Port Orchard,
                WA Kitsap Co. United States | Tremont St. W / S Kitsap Blvd. / Canyon Ct. (47.52351, -122.65737) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 40.3258 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Hamilton,
                OH Butler Co. United States | Trenton Oxford Rd. (SR 73) / Jacksonburg Rd. (39.48456, -84.51249) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2021 | |
| Louisville,
                KY Jefferson Co. United States | Trevilian Way / Louisville Zoo Entrance (38.20764, -85.70862) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 26.2772 | Other (At-Grade) Single-Lane | 2009 | Oblong shape. ICD estimated from Google Maps linework. | 
| Naples,
                FL Collier Co. United States | Treviso Bay Blvd. / Corso Bello Dr. / (parking) (26.07170, -81.73519) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Naples,
                FL Collier Co. United States | Treviso Bay Blvd. / Treviso Bay Dr. (26.08790, -81.74060) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter island on side street. | |
| Naples,
                FL Collier Co. United States | Treviso Bay Blvd. / Veneto Ln. / Primo Way (26.09128, -81.73777) | Other Existing | One-Way/Two-Way Stop Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Naples,
                FL Collier Co. United States | Treviso Bay Dr. / Casoria Ct. / Trevi Ct. (26.08841, -81.74415) | Unknown Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Bensalem,
                PA Bucks Co. United States | Trevose Rd. / Somerton Rd. (40.13440, -74.99160) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 26.4801 | Other (At-Grade) Single-Lane | 2012 | Previously controlled by two-way stop ICD estimated from Google Maps linework. | 
| Joplin,
                MO Jasper Co. United States | Tri State Rd. / W 1st St. (37.09190, -94.55775) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 56.3880 | Other (At-Grade) Single-Lane | 2008 | |
| Glenelg,
                MD Howard Co. United States | Triadelphia Rd. / Ten Oaks Rd. (39.26399, -76.98621) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.0040 | Other (At-Grade) Single-Lane | 2000 | Year Completed estimated (1992-2002). | 
| Auckland,
                Auckland Auckland New Zealand | Triangle Rd. / Waimumu Rd. / Huruhuru Rd. (-36.84434, 174.62494) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Hradec Králové,
                Hradec Králové Hradec Králové Czechia | třída Edvarda Beneše / Palachova / Štefánikova (50.19044, 15.84140) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Elliptical shaped. | |
| Redmond,
                WA King Co. United States | Trilogy Pkwy NE / NE Greens Crossing Rd. (47.70752, -122.02660) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.7178 | Other (At-Grade) Single-Lane | 2004 | Adjacent to golf course and semi-retired community. Completed June 2004. ICD estimated from Google Maps linework. | 
| Ottawa,
                ON Ottawa Canada | Trim Rd. / Dairy Dr. / Taylor Creek Dr. (45.49178, -75.47980) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 34.3268 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2015 | ICD estimated from Google Maps linework. | 
| Joppa,
                MD Harford Co. United States | Trimble Rd. / Fort Hoyle Rd. (39.41183, -76.33325) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2012 | Year Completed estimated (2011-2013). | 
| Trinity Beach,
                Queensland Cairns Australia | Trinity Beach Rd. / Moore St. (-16.78577, 145.69865) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Morisset Park,
                New South Wales Lake Macquarie Australia | Trinity Point Dr. / Morisset Park Rd. / Charles Ave. (-33.12310, 151.53357) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| (unincorporated),
                GA Clarke Co. United States | Trinity Pond Rd. (33.94821, -83.28511) | Other Existing | Other Unknown | 2 Approaches 0 Driveways 31.7039 | Other (At-Grade) Single-Lane | 2004 | Functional Class: Local ICD estimated from Google Maps linework. | 
| (unincorporated),
                GA Clarke Co. United States | Trinity Pond Rd. / Gray Fox Cir. (33.95083, -83.28500) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 28.7308 | Other (At-Grade) Single-Lane | 2004 | Functional Class: Local ICD estimated from Google Maps linework. | 
| Hamilton,
                ON Hamilton Canada | Trinity Rd. (Hwy 52) / Jerseyville Rd. W (43.20987, -80.04708) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 36.5605 | Other (At-Grade) Single-Lane | 2010 | ICD estimated from Google Maps linework. | 
| Casselberry,
                FL Seminole Co. United States | Triplet Lake Dr. (28.67129, -81.33707) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 28.9560 | Other (At-Grade) Single-Lane | 2017 | Year Completed estimated (2016-2017). | 
| Naxxar, Malta | Triq Andrea Debono / Triq San Gwann (35.91753, 14.44795) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Paola, Malta | Triq Cordin / Triq G Agius / Cospicua Rd. / Triq Ghajn Dieli (35.87611, 14.51059) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Birzebbugia, Malta | Triq Hal Far / Triq Kalafrana / Triq San Patrizju (35.81876, 14.53073) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Mosta, Malta | Triq id-Difza / Triq il-Fortizza (35.91831, 14.42573) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Naxxar, Malta | Triq id-Dwieli / (unknown) (35.93668, 14.45278) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Saint Paul's Bay, Malta | Triq il-Kahli / Triq Sant Aristarku (35.94842, 14.41088) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Saint Paul's Bay, Malta | Triq il-Mistra / Triq-Raddet Ir-Roti (35.95293, 14.38697) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Marsaxlokk, Malta | Triq il-Patrijiet Terezjani / Triq Tas-Silg / Triq Bir-Rikka / Power Station (35.84295, 14.54921) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Naxxar, Malta | Triq Is-Salina (35.92830, 14.43795) | Unknown Existing | Unknown Unknown | 2 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Naxxar, Malta | Triq Is-Salina / Triq John Adye (35.92520, 14.44027) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Naxxar, Malta | Triq Jean Houel / Triq Birguma (35.92370, 14.44354) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Attard, Malta | Triq L-Imdina / Telgha Tas Saqqajja (35.88366, 14.41538) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Mellieha, Malta | Triq Louis Wettinger / Triq Qasam Barrani (35.95556, 14.35800) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Qormi, Malta | Triq Manwel Dimech / Triq Ħal Luga (35.87539, 14.47637) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Qormi, Malta | Triq Manwel Dimech /Triq San Bastian (35.87935, 14.48196) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Hamrun, Malta | Triq Mountbatten / Triq Schembri / Triq Joe Sciberras / Triq Pietru Xuereb (35.88858, 14.49261) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Gzira, Malta | Triq Reggie Miller / Triq Antonio Schembri / Triq il-Virdun (35.90894, 14.48994) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Saint Julian's, Malta | Triq Ross / Church St. / Vjal Portomaso (35.92127, 14.49160) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Naxxar, Malta | Triq San Pawl / Triq il-Parocca (35.91551, 14.44891) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Kalkara, Malta | Triq Santu Rokku / (unknown) (35.89120, 14.53878) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Birkirkara, Malta | Triq Sir Anthony Mamo / Triq San Giljan / (unknown) (35.90219, 14.47320) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| San Gwann, Malta | Triq tal-Balal / Triq Giorgio Preca (35.91105, 14.46870) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Iklin, Malta | Triq tal-Balal / Triq Hal Gharghur (35.91241, 14.46278) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Naxxar, Malta | Triq tal-Balal / Triq Margaret A Murray (35.91592, 14.45047) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Iklin, Malta | Triq tal-Balal / Triq Santa Katerina (35.91675, 14.45654) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Austin,
                TX Travis Co. United States | Trissino Dr. / Escarpment Blvd. (30.17229, -97.91003) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2013 | |
| Hamilton,
                Waikato Hamilton New Zealand | Tristram St. / Collingwood St. (-37.79096, 175.27956) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Hamilton,
                Waikato Hamilton New Zealand | Tristram St. / Pembroke St. / Thackeray St. (-37.79244, 175.28146) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Mashpee,
                MA Barnstable Co. United States | Triton Sound Circle / Troon Way / Greenwards Rd. / Shore Dr. West / Landmark Ave. (41.56210, -70.47509) | Traffic Calming Circle Existing | All-Way Stop Unknown | 5 Approaches 0 Driveways 57.1930 | Other (At-Grade) Single-Lane | On private roads ICD estimated from Google Maps linework. | |
| Sochi,
                Krasnodar Sochi Russia | Triumfal'naya ulitsa / Olimpiyskiy prospekt (43.41117, 39.94916) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Banja Luka,
                Serb Republic Banja Luka Bosnia and Herzegovina | Trive Amelice / Dr Mladena Stojanovica (44.78446, 17.20376) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Lund,
                Skane County Lund Sweden | Trollebergsvägen / Ringvägen (55.70278, 13.17699) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 43.0712 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Eslöv,
                Skåne County Eslöv Sweden | Trollenäsvägen / Husarvägen / Marieholmsvägen (55.84585, 13.28324) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.0000 | Other (At-Grade) Single-Lane | 2005 | Year Completed estimated (1985-2005). | 
| Eslöv,
                Skåne County Eslöv Sweden | Trollenäsvägen / Vetegatan / Anders Sassers väg (55.84915, 13.27799) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0000 | Other (At-Grade) Single-Lane | 2005 | Year Completed estimated (1985-2005). | 
| Tromsø,
                Troms Tromsø Norway | Tromsøysundvegen / Tromsøysundtunnelen (69.66223, 19.01598) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Oslo,
                Oslo Oslo Norway | Trondheimsveien / Christian Michelsens gate / Grenseveien (59.92615, 10.77591) | Other Existing | All-Way Yield At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only) | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Rectangular shaped. Tram railway through central island. | |
| Oslo,
                Oslo Oslo Norway | Trondheimsveien / Fagerheimgata (59.93323, 10.77856) | Other 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) | Tram railway through central island. | |
| Trophy Club,
                TX Denton Co. United States | Troon Dr. / Muirfield Ct. / Troon Ct. (32.99308, -97.18159) | Other Existing | Uncontrolled None | 3 Approaches 0 Driveways 27.4317 | Other (At-Grade) Single-Lane | 1995 | No splitter islands. | 
| Green,
                OH Summit Co. United States | Troon Dr. / Muirfield Dr. (40.96066, -81.45029) | Other Existing | Uncontrolled Unknown | 3 Approaches 3 Driveways 0.0000 | Other (At-Grade) Single-Lane | Elliptical shaped. | |
| Fort Riley,
                KS Riley Co. United States | Trooper Dr. / Apennines Dr. (39.10394, -96.81859) | Other Existing | Uncontrolled Unknown | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | ||
| Fort Riley,
                KS Riley Co. United States | Trooper Dr. / Normandy Dr. (39.10538, -96.81595) | Unknown Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | ||
| Fort Riley,
                KS Geary Co. United States | Trooper Dr. / Rifle Range Rd. (39.07167, -96.83342) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 50.2920 | Other (At-Grade) Single-Lane | 2013 | Merging right-turn bypass lanes on north and west legs. Merging through bypass lane on south leg. Year Completed estimated (2012-2014). | 
| Trophy Club,
                TX Denton Co. United States | Trophy Club Dr. / Trophy Lake Dr. (33.00110, -97.20519) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | Yield sign only on left side of southeast leg; no yielding on adjacent through only lane. https://www.youtube.com/watch?v=baAnhafP6Hk . | 
| Tumwater,
                WA Thurston Co. United States | Trosper Rd. SW / 6th Ave. SW (46.99984, -122.91042) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2024 | https://www.facebook.com/cityoftumwater/videos/roundabouts/851059580420485/ | 
| Bonita Springs,
                FL Lee Co. United States | Trost Blvd. / Isabella Dr (26.37528, -81.75080) | Other Existing | One-Way/Two-Way Stop Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Bonita Springs,
                FL Lee Co. United States | Trost Blvd. / Tarocco Dr. (26.36744, -81.75101) | Other Existing | One-Way/Two-Way Stop Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Columbia,
                MD Howard Co. United States | Trotter Rd. / South Wind Cir. (39.20956, -76.91891) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 23.1353 | Other (At-Grade) Single-Lane | 1997 | Functional Class: Collector. Year Completed estimated (1993-2001). ICD estimated from Google Maps linework. | 
| Stafford Heights,
                Queensland Brisbane Australia | Trouts Rd. / Felstead St. / Redwood St. (-27.40107, 152.99760) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Richland,
                WA Benton Co. United States | Trowbridge Blvd. / Ava Way (46.22128, -119.33547) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2021 | |
| Richland,
                WA Benton Co. United States | Trowbridge Blvd. / Bella Coola Ln. (46.22162, -119.33794) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2021 | |
| (unknown),
                Stavropol Petrovsky District Russia | Trudovaya ulitsa / (unknown) (45.33536, 42.81542) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Svetlograd,
                Stavropol Petrovsky District Russia | Trudovaya ulitsa / Promyshlennaya ulitsa (45.33814, 42.82132) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, 2x1 max) | ||
| Sønderborg,
                South Denmark Sønderborg Denmark | Truenbrovej / Primærrute 8 (Sønderborgmotorvejen) EB Ramps (54.95098, 9.63743) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Single-Lane | ||
| Sønderborg,
                South Denmark Sønderborg Denmark | Truenbrovej / Primærrute 8 (Sønderborgmotorvejen) WB Ramps (54.95265, 9.63789) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Single-Lane |