Roundabouts Database Index

28784 Results

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City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Kelowna, BC Central Okanogan Canada	Swamp Rd. / Casorso Rd. (49.84534, -119.46640)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 23.1050	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Salem, MA Essex Co. United States	Swampscott Rd. / 1st St. (42.49822, -70.92450)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 27.4320	Other (At-Grade) Single-Lane	2019
Markham, ON York Canada	Swan Lake Blvd. / Lakeside Vista Way. (43.89623, -79.25077)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.0000	Other (At-Grade) Single-Lane	2001	Year Completed estimated (2000-2001).
Pimpama, QLD Gold Coast Australia	Swan Rd. / Undarra St. / Belconnen Dr. (-27.81988, 153.30563)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Beach Park, FL Hillsborough Co. United States	Swann Circle (27.93766, -82.52013)	Other Existing	All-Way Yield None	6 Approaches 0 Driveways 141.3886	Other (At-Grade) Single-Lane		Park in central island. ICD estimated from Google Maps linework.
Auckland, Auckland Auckland New Zealand	Swanson Rd. / Don Buck Rd. / Universal Dr. (-36.86073, 174.61184)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Elliptical shaped.
Auckland, Auckland Auckland New Zealand	Swanson Rd. / Metcalfe Rd. (-36.86191, 174.61312)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Machesney Park, IL Winnebago Co. United States	Swanson Rd. / Perryville Rd. (42.39150, -88.99469)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.6369	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
Carlton, VIC Australia	Swanston St. / College Crescent / Cemetery Rd. E. (-37.79328, 144.96492)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways 67.9529	Other (At-Grade) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Cambridge, Waikato Waipa New Zealand	Swayne Rd. / Norfolk Dr. / Tulip Dr. (-37.87517, 175.47154)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Gothenburg, Vastra Gotaland County Gothenburg Sweden	Swedenborgsgatan / Backavagen (57.72159, 11.95534)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.9772	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Gothenburg, Vastra Gotaland County Gothenburg Sweden	Swedenborgsgatan / Deltavagen / Fargfabriksgatan / Kvillebacksvagen (57.72361, 11.95111)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 28.6999	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Union, KY Boone Co. United States	Sweet Harmony Ln. / Dawns Light (38.95298, -84.67487)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.2256	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Orlando, FL Orange Co. United States	Sweet Star Ave. / Maharaj Ave. / Desforges Ave. (28.39723, -81.49225)	Unknown Removed	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2020
Palm Coast, FL Flagler Co. United States	Sweetgum Ln. / Bourganville Dr. / Conservatory Dr. (29.61802, -81.23768)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Albury, NSW Albury Australia	Swift St. / Macauley St. (-36.07941, 146.92248)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Albury, NSW Albury Australia	Swift St. / Olive St. (-36.07894, 146.91861)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Unknown Single-Lane
(unincorporated), GA Cobb Co. United States	Swift-Cantrell Park entrance (34.03181, -84.63166)	Other Existing	Other Unknown	5 Approaches 0 Driveways 26.7239	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Functional Class: Local ICD estimated from Google Maps linework.
Dayton, OH Greene Co. United States	Swigart Road / James Madison Trail N (39.67417, -84.10436)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.2548	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Overland Park, KS Johnson Co. United States	Switzer Rd. / Indian Creek Pkwy. (38.92197, -94.70546)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.1676	Other (At-Grade) Single-Lane	2015	Design completed in 2014 ICD estimated from Google Maps linework.
Overland Park, KS Johnson Co. United States	Switzer Rd. / W 113th St. (38.92484, -94.70984)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 44.5993	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Sybilla Ln. / (parking lot) (39.01263, -104.81160)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 25.9841	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Iowa City, IA Johnson Co. United States	Sycamore St. / Lehman Ave. (41.62058, -91.51211)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016).
Iowa City, IA Johnson Co. United States	Sycamore St. SE / McCollister Blvd. (41.62554, -91.51193)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 41.1480	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016). Initially constructed with north and south legs, plus driveway to east. West leg added 2017-2019.
Homer Glen, IL Will Co. United States	Syd Creek Dr. / Blue Mag Rd. (41.59306, -87.97332)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005-2006).
Homer Glen, IL Will Co. United States	Syd Creek Dr. / Iz Brook Dr. (41.59490, -87.97263)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005-2006).
Melbourne, VIC Brimbank Australia	Sydenham Rd. / Hume Dr. (-37.71119, 144.78168)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Mackay, QLD Mackay Australia	Sydney St. / Alfred St. (-21.14550, 149.18648)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
White River Junction, VT Windsor Co. United States	Sykes Mountain Ave. / Ralph Lehman Dr. (43.64620, -72.33411)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2021	https://www.vnews.com/Hartford-prepares-to-use-Route-5-roundabout-40112771
Modesto, CA Stanislaus Co. United States	Sylvan Ave. / Litt Rd. (37.68914, -120.93072)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.9120	Other (At-Grade) Multilane (2 Lane, unspecified)	2013
Modesto, CA Stanislaus Co. United States	Sylvan Ave. / Millbrook Ave. (37.68898, -120.93520)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.3658	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Modesto, CA Stanislaus Co. United States	Sylvan Ave. / Roselle Ave. (37.68896, -120.93980)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.2012	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Sylvania Township, OH Lucas Co. United States	Sylvania Ave. / Centennial Rd. (41.68821, -83.74265)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.4055	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
West Miami, FL Miami-Dade Co. United States	Sylvania Blvd. / SW 58th Ave. / SW 12th St. (25.75988, -80.28980)	Traffic Calming Circle Existing	All-Way Stop Unknown	6 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Sylvania Township, OH Lucas Co. United States	Sylvania-Metamora Rd. / Mitchaw Rd. (41.71631, -83.76299)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7922	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Upper Marlboro, MD Prince George's Co. United States	Symondsbury Way / Galeshead Dr. (38.85587, -76.73628)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Centreville, MD Queen Anne's Co. United States	Symphony Way / Orchestra Pl. (39.02501, -76.06785)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Frederick, MD Frederick Co. United States	Synergy Way (39.43898, -77.36665)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2011).
Frederick, MD Frederick Co. United States	Synergy Way / Progress Dr. (39.43796, -77.36660)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2008
Denver, CO Adams Co. United States	Syracuse St. / Rosalyn St. / 32nd Ave. Pkwy. (39.76177, -104.89890)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.1333	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Vaxjo, Kronoberg County Vaxjo Sweden	Systratropsvägen / Rte 23-Rte 25 Ramps (56.89768, 14.77727)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 18.2634	Freeway Ramps (Grade-Separated) Single-lane w/ Traversable Central Island		ICD estimated from Google Maps linework.
Biatorbágy, Pest Budakeszi járás Hungary	Szarvasugrás tér [SR 1 / Ország út / Rozália park / Verebély László utca] (47.47515, 18.84334)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Szentgotthárd, Vas Szentgotthárdi járás Hungary	Széll Kálmán tér / Mártírok út (46.95267, 16.27372)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Budakalász, Pest Szentendrei járás Hungary	Szentendrei út / József Attila utca / Káposztás köz (47.62235, 19.04947)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Budapest, Budapest Hungary	Szentlorinci út / Nagykorösi út / Szentlorinci út / M5 NB Ramps (47.42275, 19.15499)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Dawsonville, GA Dawson Co. United States	T F Hughes Rd. / Power Center Dr. (34.35628, -84.04425)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.5090	Other (At-Grade) Single-Lane	2006	Entrance to commercial development. Functional Class: Local ICD estimated from Google Maps linework.
Mukachëvo, Zakarpattya Mukacheve Raion Ukraine	T-09 (vulytsia Myru) / Mykoly Rohlieva vulytsia / vulytsia Koshuta (48.44168, 22.73059)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ajaccio, Corsica Southern Corsica France	T20 / T21 / T40 (41.93133, 8.80239)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Ajaccio, Corsica Southern Corsica France	T21 / Route d'Ajaccio à Bonifacio (41.92976, 8.76127)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Ajaccio, Corsica Southern Corsica France	T21 / Route de Campo dell'Oro / Vigneta (41.92720, 8.77876)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Ajaccio, Corsica Southern Corsica France	T21 / Route du Lazaret (41.93000, 8.75722)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Ajaccio, Corsica Southern Corsica France	T22 (Avenue du Docteur Noël Franchini) / (unknown) (41.94165, 8.75626)	Roundabout Unknown	All-Way Yield Unknown	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Ajaccio, Corsica Southern Corsica France	T22 (Route de Mezzavia) / D31 / Boulevard Louis Campi (41.94502, 8.75847)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Ajaccio, Corsica Southern Corsica France	T22 / Rue François Piétri / Rue de Pietralba (41.93512, 8.75347)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ajaccio, Corsica Southern Corsica France	T22 / Rue Martin Borgomano (41.93952, 8.75600)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Võduvere, Jõgevamaa Jõgeva vald Estonia	T36 (Jõgeva–Mustvee) / Jaama (58.75528, 26.40090)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Liivoja, Jõgevamaa Jõgeva vald Estonia	T36 (Jõgeva–Mustvee) / Kesk (58.75191, 26.38925)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cauro, Corsica Southern Corsica France	T40 / D55 (41.91179, 8.82656)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Bastelicaccia, Corsica Southern Corsica France	T40 / D55b (41.91315, 8.82506)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Petreto-Bicchisano, Corsica Southern Corsica France	T40 / D757 (41.79205, 8.98020)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Viggianello, Corsica Southern Corsica France	T40 / T402 (41.66745, 8.92142)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Olmeto, Corsica Southern Corsica France	T40 / T402 / D257 (41.68415, 8.92125)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Tapa, Lääne-Virumaa Tapa vald Estonia	T5 (Paide manatee) / Ambla maantee (59.25727, 25.94268)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Reopalu, Järvamaa Türi vald Estonia	T5 (Pärnu-Rakvere-Sõmeru) / Kase (58.88003, 25.51820)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Paide, Järvamaa Paide linn Estonia	T5 (Ringtee) / Pärnu (58.87967, 25.52529)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Paide, Järvamaa Paide linn Estonia	T5 (Ringtee) / Prääma tee / Raudtee (58.88770, 25.54051)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Paide, Järvamaa Paide linn Estonia	T5 (Ringtee) / Sillaotsa / Tallinna / Järve tee / (future roadway) (58.89414, 25.56975)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Horizon City, TX El Paso Co. United States	Tabasco Pl. / Puerto Del Carmen Dr. (31.65823, -106.18300)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 2 Driveways 24.3840	Other (At-Grade) Single-Lane	2008
St. George, UT Washington Co. United States	Tabernacle Rd. / Main St. (37.10812, -113.58350)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.8119	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Oroville, CA Butte Co. United States	Table Mountain Blvd. / Nelson Ave. / Cherokee Rd. (39.52418, -121.55881)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.5351	Other (At-Grade) Single-Lane	2016	Yield-controlled right-turn bypass lane on northeast leg. ICD estimated from Google Maps linework.
Thurgoona, NSW Albury Australia	Table Top Rd. / Kosciuszko Rd. / (Kensington Gardens entrance) (-36.05583, 146.99111)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Loveland, CO Larimer Co. United States	Tacanecy Dr. / Marcy Dr. (40.39230, -105.12140)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 29.1082	Other (At-Grade) Single-Lane	1995	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Taft Farms Pl. / Rangeland Ave. (40.44756, -105.09726)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 59.0775	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Northville, MI Oakland Co. United States	Taft Rd. / Morgan Blvd. (42.44300, -83.49355)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.7966	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2007-2010). ICD estimated from Google Maps linework.
Hollywood Hills, FL Broward Co. United States	Taft St. / N 40th Ave. (26.02536, -80.18396)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2010
Missouri City, TX Fort Bend Co. United States	Tahoe Basin / Geddes Grove (29.48804, -95.53625)	Other Existing	Other None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2005	Yield sign only on one leg. Year Completed estimated (2004-2005).
Ohinewai, Waikato Waikato New Zealand	Tahuna Rd. / Lumsden Rd. (-37.48959, 175.16336)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ohinewai, Waikato Waikato New Zealand	Tahuna Rd. / SH 1 (Waikato Expressway) NB Ramps (-37.48962, 175.15954)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Kaunas, Kauno Kaunas Lithuania	Taikos prospektas / Pramones prospektas (54.91695, 23.98481)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Livingston, Scotland West Lothian United Kingdom	Tailend Roundabout [A779 (Starlaw Rd.) / Deans Rd. / (Starlaw Park entrance)] (55.89014, -3.57044)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Auckland, Auckland Auckland New Zealand	Taka St. / Kauri Heart Ave. / Takanini School Rd. (-37.04157, 174.92498)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Tauranga, Bay of Plenty Tauranga New Zealand	Takitimu Dr. (SH 2) / Elizabeth St. (-37.68644, 176.16232)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Saida Dekerman, South Saida Lebanon	Takkeyeddine eh Solh St. / Jezzine Hwy / Fahkreddine St. (33.56480, 35.37506)	Unknown Existing	Unknown Unknown	5 Approaches 0 Driveways	Other (At-Grade) Unknown
Miyako, Iwate Pref. Japan	Takonohamacho (39.64840, 141.96832)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Newly-built area in city destroyed by the tsunami in 2011.
Jane Brook, WA Swan Australia	Talbot Rd. / Farrall Rd. / White Gum Dr. (-31.86183, 116.04569)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Zionsville, IN Boone Co. United States	Talbott Dr. / Bennett Pkwy. (39.94738, -86.24236)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		In an apartment complex with parking along circulatory roadway.
Meridian Inernational Business Center, CO Douglas Co. United States	Tall Oaks St. / Bristleridge Dr. (39.53104, -104.82951)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Magnolia, TX Montgomery Co. United States	Tall Oaks Way / W Border Oaks Dr. (30.21417, -95.66748)	Other Existing	Unknown Unknown	4 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Collegedale, TN Hamilton Co. United States	Tallant Rd. / Asher Village Dr. (35.05339, -85.04146)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2020-2022).
Alexander City, AL Tallapoosa Co. United States	Tallapoosa St (32.94353, -85.95363)	Roundabout Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 48.1099	Other (At-Grade) Single-Lane	2002	Peanut-shaped roundabout. Year completed estimated (1997-2006). ICD estimated from Google Maps linework.
Athens, GA Clarke Co. United States	Tallassee Rd. / Whitehead Rd. (33.96868, -83.43801)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.5729	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
Gavle, Gavleborg County Gavle Sweden	Tallåsvägen / Gavlehovsvägen / Norra Kungsvägen (60.69305, 17.14861)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.9843	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Helsinki, Uusimaa Helsinki Finland	Tallbergin puistotie / Meripuistotie / Vattuniemenkatu / Heikkiläntie (60.15713, 24.88548)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Tallmadge, OH Summit Co. United States	Tallmadge Circle (North Ave. / Northeast Ave. / East Ave. / Southeast Ave. / South Ave. / Southwest Ave. / West Ave. / Northwest Ave.) (41.10138, -81.44121)	Rotary Existing	All-Way Yield None	8 Approaches 10 Driveways 59.3989	Other (At-Grade) Single-Lane	1807	1807 is the year it was built, but as a square. Unknown when it took present form. Some history here: https://www.ohio.com/akron/lifestyle/local-history-tallmadge-circle-is-center-of-creation ICD estimated from Google Maps linework.
Leander, TX Williamson Co. United States	Talon Grasp Trl. / Hoot Owl Ln. (30.62262, -97.86496)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 54.8637	Other (At-Grade) Single-Lane	2014
Columbia, MD Howard Co. United States	Tamar Dr. / Old Montgomery Rd. (39.20533, -76.82822)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2022	https://www.howardcountymd.gov/News090122c
Ballina, NSW Ballina Australia	Tamar St. / Cherry St. (-28.86973, 153.56192)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ballina, NSW Ballina Australia	Tamar St. / Moon St. (-28.86884, 153.55975)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Thornton, CO Adams Co. United States	Tamarac St. / E 129th Ave. / Tamarac Way (39.93026, -104.89660)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2005).
Ballina, NSW Ballina Australia	Tamarind Dr. / N Creek Rd. / Link Rd. (-28.85126, 153.55404)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)