Roundabouts Database Index

29616 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
Heerlen, Limburg Heerlen Netherlands	Akerstraat / Burgemeester Waszinkstraat (50.87807, 5.98726)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 18.8397	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Vastra Fralunda, Vastra Gotaland County Gothenburg Sweden	Akeredsvägen / Brungatan (57.63432, 11.88980)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.5905	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Raseborg, Uusimaa Raseborg Finland	Ajurinpuisto / Valtatie 25 (Hangontie) EB Ramps (59.98170, 23.44158)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Rauma, Satakunta Rauma Finland	Aittakarinkatu / Hankkarintie / Vähämaanpuisto (61.12586, 21.49826)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Belgrade, MT Gallatin Co. United States	Airway Blvd. / I-90 WB Ramps (45.76100, -111.16234)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 51.6601	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2015	Raindrop shape. ICD estimated from Google Maps linework.
Belgrade, MT Gallatin Co. United States	Airway Blvd. / I-90 EB Ramps (45.75980, -111.16328)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 42.4955	Freeway Ramps (Grade-Separated) Single-Lane	2015	Raindrop shape. ICD estimated from Google Maps linework.
Belgrade, MT Gallatin Co. United States	Airway Blvd. / Gallatin Field Rd. (45.77350, -111.16244)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.1529	Other (At-Grade) Single-Lane	2015	Right-turn bypass lane on southeast leg. Year Completed estimated (2013-2019). ICD estimated from Google Maps linework.
Missoula, MT Missoula Co. United States	Airway Blvd. / Expressway (46.91994, -114.07140)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.7875	Other (At-Grade) Single-Lane	2011	Four-lane approach roadways that drop right lane into right-turn bypass lanes on all approaches. Functional Class: Arterial ICD estimated from Google Maps linework.
Belgrade, MT Gallatin Co. United States	Airway Blvd. / E Northern Pacific Ave. (45.76585, -111.16289)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 56.6545	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Pitt Meadows, BC Greater Vancouver Canada	Airport Way / Harris Rd. (49.20811, -122.68974)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.2108	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Pitt Meadows, BC Greater Vancouver Canada	Airport Way / Bonson Rd. (49.20840, -122.67837)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.8699	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Rochester, NY Monroe Co. United States	Airport Way / Airport Rd. (43.12927, -77.67145)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2022	At Rochester airport. Airport Road is one-way eastbound. Constructed with temporary bypass road around construction site. https://www.rocairport.com/news-2022-06-24-roundabout.
Pitt Meadows, BC Greater Vancouver Canada	Airport Way / 113B Ave. / Golden Ears Way SB Ramps (49.20842, -122.67058)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.9909	Freeway Ramps (Grade-Separated) Single-Lane	2009	Year Completed estimated (2008-2009). ICD estimated from Google Maps linework.
Swords, Co Dublin Ireland	Airport Roundabout [R132 (Swords Rd. - Dublin Rd.) / Corballis Rd. South / (M1 connector)] (53.42826, -6.22964)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Newton of Petty, Scotland Highland United Kingdom	Airport Roundabout [A96 (Highland) / Croy Rd. / (Inverness Airport entrance)] (57.53056, -4.04831)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Cork, Co Cork Ireland	Airport Road Roundabout [N27 (Kinsale Rd.) / Avenue 2000] (51.84854, -8.47605)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Winchester, VA Frederick Co. United States	Airport Rd. / Victory Rd. (39.13417, -78.13571)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 32.4242	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
Gulfport, MS Harrison Co. United States	Airport Rd. / Three Rivers Rd. (30.42002, -89.08860)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 66.9444	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Westchester, NY Westchester Co. United States	Airport Rd. / Rye Lake Rd. (41.07284, -73.70593)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.5131	Other (At-Grade) Single-Lane	2006	Access to airport. ICD estimated from Google Maps linework.
Nampa, ID Canyon Co. United States	Airport Rd. / N Robinson Blvd. (43.58690, -116.49334)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2023
New Castle, DE New Castle Co. United States	Airport Rd. / I-95 NB Exit Ramp (39.69593, -75.61570)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2024	https://www.facebook.com/FirstStateUpdate1/photos/-i-95-offramp-to-airport-road-has-re-opened-after-new-roundabout-installed-/1135316878598748/?_rdr
(unincorporated), FL Flagler Co. United States	Airport Rd. / Hunters Ridge Blvd. (29.27519, -81.15958)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 63.5492	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Brownsburg, IN Hendricks Co. United States	Airport Rd. / Hornaday Rd. (39.82178, -86.38211)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2020-2021).
Brownsburg, IN Hendricks Co. United States	Airport Rd. (CR 400N) / Northfield Dr. (39.82194, -86.37069)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019
Glenwood Springs, CO Garfield Co. United States	Airport Rd / MIdland Rd / Four Mile Rd / (unknown) (39.50807, -107.31691)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2021-2023).
Saint George, UT Washington Co. United States	Airport Pkwy. / Desert Canyons Pkwy. (37.02456, -113.50841)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1410	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Perth Airport, WA Australia	Airport Dr. / Sugarbird Lady Rd. (-31.94834, 115.97257)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.6441	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Perth Airport, WA Australia	Airport Dr. / Paltridge Rd. (-31.95545, 115.96920)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 57.7604	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Brisbane Airport, QLD Australia	Airport Dr. / Nancy Bird Way (-27.39914, 153.10979)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 74.2246	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Brisbane Airport, QLD Australia	Airport Dr. / Dryandra Rd. (-27.38713, 153.11672)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 67.8699	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Grand Forks, ND Grand Forks Co. United States	Airport Dr. / Airport Dr. (47.94149, -97.17424)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4026	Other (At-Grade) Single-Lane	2011	Serves airport. ICD estimated from Google Maps linework.
Green Bay, WI Brown Co. United States	Airport Dr. (STH 172) / S. Pine Tree Rd. (44.49955, -88.14986)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.2968	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Green Bay, WI Brown Co. United States	Airport Dr. (STH 172) / Airport Entrance (44.49569, -88.12467)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.1882	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Opened October 2011. ICD estimated from Google Maps linework.
Sacramento, CA Sacramento Co. United States	Airport Blvd. / Lindbergh Dr. / Aviation Dr. (38.69345, -121.59025)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2011	South leg is exit only.
Greensboro, NC Guilford Co. United States	Airpark Rd. / Albert Pick Rd. (36.07486, -79.94894)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.8900	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Greensboro, NC Guilford Co. United States	Airpark Rd. / Abert Pick Rd. / Gallimore Dairy Rd. (36.07414, -79.94649)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.9250	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Ladera Ranch, CA Orange Co. United States	Airoso St. / Andaza St. (33.54258, -117.59578)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.8132	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Auckland, Auckland Auckland New Zealand	Airfield Rd. / Mill Rd. (-37.03366, 174.94781)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Rowley Downs, CO Douglas Co. United States	Aintree Ct. / Aintree Pl. (39.50899, -104.75397)	Other Existing	Unknown Unknown	3 Approaches 2 Driveways 0.0000	Other (At-Grade) Single-Lane
Corner Canyon, UT Salt Lake Co. United States	Aintree Ave. / Tuscalee Way (40.50470, -111.84045)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on north. east, or south legs.
Menasha, WI Winnebago Co. United States	Ahnaip St. / Racine St. / Keyes St. / Naymut St. (44.19843, -88.44508)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	Previously a 3-way stop. https://www.wearegreenbay.com/news/local-news/supply-chain-issues-halting-construction-progression-in-winnebago-county/
Thane, MH Thane India	Ahilya Gokul Patil Rd. / Jagadguru Adishankaracharya Marg (19.04355, 73.02237)	Unknown Existing	Unknown None	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Givatayim, Tel Aviv District Israel	Aharon Goldstein St. / Borochov St. (32.07911, 34.80940)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Hadera, Haifa District Israel	Aharon Aharonson St. / Ha-Shomer St. (32.44614, 34.89858)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Blagoveshchensk, Amur Blagoveshchensk Russia	AH31 (Magistral'naya ulitsa) / Kalinina ulitsa / Novotroitskoye shosse / Ignat'yevskoye shosse (50.29066, 127.52714)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Mikhaylovka, Primorye Mikhaylovsky District Russia	AH30 / Leninskaya ulitsa (43.92603, 131.99993)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Manila, National Capital Region Metro Manila Philippines	AH26 (Bonifacio Dr) / Andres Soriano Jr. St / Roberto S. Oca Sr. St (14.59084, 120.97090)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Mỹ An, Da Nang City Vietnam	AH17 (Đường Ngô Quyền - Đường Ngũ Hành Sơn) / Đường Nguyễn Văn Trỗi (16.05329, 108.23692)	Unknown Existing	Unknown None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Padang Timur, West Sumatra Kota Padang Indonesia	AH151 (Jalan Doktor Sutomo) / Jalan Sisingamangaraja (-0.94539, 100.37732)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Central Banjarmasin, South Kalimantan Banjarmasin Indonesia	AH150 (Jalan S Parman - Jalan Asf Mustaffa) / Jalan Suprapto (-3.31669, 114.59014)	Unknown Existing	Unknown None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Banjarmasin Utara, South Kalimantan Banjarmasin Indonesia	AH150 (Jalan Brigadir Jenderal Hasan Basri) / Jalan Adhyaksa / Jalan Perdagangan (-3.28937, 114.58947)	Unknown Existing	Uncontrolled None	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Amarapura, Mandalay Mandalay Myanmar	AH1 (Sagaing-Ta Da U Rd. - Saging-Mandalay Expressway) / AH2 (Sagaing-Mandalay Rd.) (21.87232, 96.00552)	Unknown Existing	Uncontrolled None	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Morningside, QLD Australia	Agnew St. / Waminda St. / Bennetts Rd. (-27.47617, 153.06625)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 28.6095	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
The Range, QLD Rockhampton Australia	Agnes St. / Denham St. (-23.38906, 150.49579)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Frederick, CO Weld Co. United States	Aggregate Blvd. / Wyndham Hill Pkwy. (40.09242, -104.99890)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2006	Right-turn-only lanes on north and south legs. Striped out portions of circulatory roadway.
Stockholm, Stockholm County Stockholm Sweden	Ågesta Broväg / Edagränd / Brattforsgatan (59.23822, 18.10001)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.5975	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Paq'tnkek, NS Antigonish Canada	Afton Rd. / Rte 104 EB Ramps / (unknown) (45.59474, -61.73567)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.0000	Freeway Ramps (Grade-Separated) Single-Lane	2019	http://porthawkesburyreporter.com/interchange-officially-opens-in-paqtnkek/
Paq'tnkek, NS Antigonish Canada	Afton Rd / Rte 104 WB Ramps (45.59666, -61.73600)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 60.0000	Freeway Ramps (Grade-Separated) Single-Lane	2019	http://porthawkesburyreporter.com/interchange-officially-opens-in-paqtnkek/
Mobile, AL Mobile Co. United States	Aerospace Dr. / Airbus Way (30.64175, -88.06772)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 52.4058	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
South Dublin, Co Dublin Ireland	Aerodrome Roundabout [R120 (Newcastle Rd.) / Jordanstown Rd.] (53.28996, -6.46714)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
(unincorporated), WA Spokane Co. United States	Aero Rd. / Medical Lake Rd. / I-90 EB Ramps / Spokane Transit Center (47.59081, -117.56327)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2020	Fifth leg is entry/exit for Spokane Transit Center buses only. Opened week of 10/19/2020.
Buffalo, NY Erie Co. United States	Aero Dr. / S. Youngs Rd. (42.94547, -78.72490)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.5988	Other (At-Grade) Single-Lane	2010	Year completed estimated. ICD estimated from Google Maps linework.
Buffalo, NY Erie Co. United States	Aero Dr. / Holtz Dr. (42.94093, -78.71780)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 27.1038	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Ecser, Pest Vecsési járás Hungary	Ady Endre utca / road 31110 / Majorsági dűlő (47.43501, 19.30657)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Altoona, IA Polk Co. United States	Adventureland Dr. / 34th Ave. SW (41.65855, -93.50315)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2615	Other (At-Grade) Unknown	2018	ICD estimated from Google Maps linework.
McKinney, TX Collin Co. United States	Adriatic Pkwy. / Mediterranean Dr. (33.19679, -96.70531)	Other Existing	All-Way Stop None	4 Approaches 0 Driveways 33.5277	Other (At-Grade) Single-Lane	2007	No splitter islands on two legs.
Orebro, Orebro County Orebro Sweden	Adolfbergsvägen / Södra Infartsleden Ramps / (parking lot) (59.26067, 15.17690)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 22.5870	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Kiruna, Norrbotten County Kiruna Sweden	Adolf Hedinsvägen / Kyrkogatan / Jägaregatan (67.85032, 20.25588)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 28.3686	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Heathridge, WA Joondalup Australia	Admiral Grove / Channel Dr. (-31.76306, 115.76245)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Goes, Zeeland Gemeente Goes Netherlands	Admiraalsplein (51.50051, 3.88848)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Goldsby, OK McClain Co. United States	Adkins Hill Rd. / Main St. / I-35 NB Ramps (35.15638, -97.47703)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Freeway Ramps (Grade-Separated) Single-Lane	2021
Garner, NC Wake Co. United States	Adeline Way / Element Cir. (35.68207, -78.57424)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2019-2021). Per Google Street View, Salt Hill road has no paved connection, but there is gated (dirt) access, potentially for emergency vehicles/situations. The east leg of Adeline Way (Element Circle) has no pedestrian crosswalk and leads to a gated community. A south leg could potentially be added for future development.
Raymond Terrace, NSW Port Stephens Australia	Adelaide St. / Richardson Rd. (-32.75421, 151.75834)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Busselton , WA Busselton Australia	Adelaide St. / Queen St. (-33.64783, 115.34391)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Yeppoon, QLD Livingstone Australia	Adelaide Park Rd. / Braithwaite St. / Power St. (-23.12402, 150.73942)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
(unincorporated), FL Palm Beach Co. United States	Addison Reserve Dr. / Palencia Way / Trieste Pl. (26.42726, -80.16736)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.5723	Other (At-Grade) Single-Lane	1997	Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), FL Palm Beach Co. United States	Addison Reserve Ct. / Laquila Way / Porlo Vecchio Pl. (26.43383, -80.16724)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.6395	Other (At-Grade) Single-Lane	1997	Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), FL Palm Beach Co. United States	Addison Reserve Blvd. / Addison Reserve Dr. (26.43289, -80.16342)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 66.3071	Other (At-Grade) Single-Lane	1997	Functional Class: Local ICD estimated from Google Maps linework.
Addison, TX Dallas Co. United States	Addison Cir. / Quorum Dr. (32.96138, -96.82592)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, unspecified)	1997	.
Palo Alto, CA Santa Clara Co. United States	Addison Ave. / Bryant St. (37.44197, -122.15540)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 15.1722	Other (At-Grade) Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
Antigonish, NS Antigonish Canada	Addington Forks Rd. / Hwy 104 EB Ramps (45.60026, -62.02322)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 50.9731	Freeway Ramps (Grade-Separated) Single-Lane	2012	ICD estimated from Google Maps linework.
Omaha, NE Douglas Co. United States	Adams St. / S 195th St. (41.19364, -96.21996)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2006	Opened with northwest and northeast legs 2005-2006. Southwest leg added 2015-2016.
Mankato, MN Blue Earth Co. United States	Adams St. / Haefner Dr. (44.17045, -93.94666)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.6963	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Oakland Township, MI Oakland Co. United States	Adams Rd. / Gunn Rd. (42.73932, -83.19683)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019
Mars, PA Butler Co. United States	Adams Pointe Blvd. / Pointe View Dr. (40.68247, -80.04060)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		Parking along circulatory roadway.
Mars, PA Butler Co. United States	Adams Pointe Blvd. / (parking) (40.68602, -80.03800)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands; pedestrian access to central island.
Fort Wayne, IN Allen Co. United States	Adams Center Rd. / Marion Center Rd. / Maples Rd. / Wayne Terrace (41.00440, -85.05704)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 57.9120	Other (At-Grade) Single-Lane	1995	Painted splitter islands. Year Completed estimated (before 1998).
Water Ridge, FL Polk Co. United States	Adams Barn Rd. / Water Ridge Blvd. / Mimosa Yellow Blvd. (28.10391, -81.75508)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2008
Water Ridge, FL Polk Co. United States	Adams Barn Rd. / Campion Blvd. / Spartina Way (28.09686, -81.75501)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2008
Osijek, Osijek-Baranja Croatia	Adama Reisnera / Županijska / Vinkovačka cesta / Svetog Leopolda Bogdana Mandića (45.55453, 18.67527)	Other Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Trams through central island.
Acworth, GA Cobb Co. United States	Acworth Due West Rd. NW / Jim Owens Rd. / Mars Hill Church Rd. (34.01583, -84.67563)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://splost.cobbcounty.org/SPLOST_M_2016/mobile_Dot_FactSheet.aspx
Berkeley, CA Alameda Co. United States	Acton St. / Blake St. (37.86106, -122.28303)	Traffic Calming Circle Existing	All-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Cherokee, NC Swain Co. United States	Acquoni Rd. (NC 1368) / Drama Rd. (NC 1361) (35.48443, -83.31447)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.2028	Other (At-Grade) Single-Lane	2014	On tribal land. ICD estimated from Google Maps linework.
(unincorporated), FL Palm Beach Co. United States	Acme Dairy Rd. / Meadow Lake Dr. (26.50919, -80.17797)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.4440	Other (At-Grade) Single-Lane	2005	Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), FL Palm Beach Co. United States	Acme Dairy Rd. / Malear Palm Dr. (26.50057, -80.17751)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.9964	Other (At-Grade) Single-Lane	2005	Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), FL Palm Beach Co. United States	Acme Dairy Rd. / Canyon Lakes Dr. (26.51697, -80.17966)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.5798	Other (At-Grade) Single-Lane	2005	Functional Class: Local ICD estimated from Google Maps linework.
Nashville, TN Davidson Co. United States	Acklen Ave. / (parking) (36.13484, -86.79275)	Other Existing	All-Way Yield None	2 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane	2014
Derwood, MD Montgomery Co. United States	Achille Ln. / Heartwood Dr. (39.12925, -77.11543)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Davis, CA Yolo Co. United States	Acer St. / Citron St. (38.54317, -121.77625)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Davis, CA Yolo Co. United States	Acer St. / Celadon St. (38.54316, -121.77348)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.