Roundabouts Database Index

29372 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
Adrian, MI Lenawee Co. United States	Michigan Ave. / S Charles St. / Adrian College Blvd. (41.89566, -84.06310)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 25.7814	Other (At-Grade) Single-Lane	2018	Adrian College Blvd. is a new street giving access to Adrian College from US 223. ICD estimated from Google Maps linework.
Adlington, England Lancs United Kingdom	A6 (Market St. - Market Pl.) / Park Rd. (53.61191, -2.60478)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Adelaide Airport, SA West Torrens Australia	James Schofield Dr. / Western Link Rd. / Frank Collopy Ct. (-34.93526, 138.53479)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Adelaide Airport, SA West Torrens Australia	Sir Richard Williams Ave. / James Schofield Dr. / Atura Circuit (-34.93540, 138.53969)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Adelaide, SA Salisbury Australia	Burton Rd. / Martins Rd. (-34.76525, 138.62322)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Adelaide, SA Mitcham Australia	B28 (Old Belair Rd.) / Blythewood Rd. (-34.98339, 138.61896)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Adelaide, SA Salisbury Australia	A18 (Kings Rd.) / Martins Rd. (-34.77295, 138.61611)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Adelaide, SA Salisbury Australia	Montague Rd. / Nelson Rd. (-34.82956, 138.66186)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Adelaide, SA Salisbury Australia	Nelson Rd. / Milne Rd. (-34.81818, 138.66099)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Adelaide, SA Salisbury Australia	Commercial Rd. / Purling Ave. (-34.74943, 138.64210)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Adelaide, SA Onkaparinga Australia	Esplanade / Robertson Rd. (-35.19377, 138.47020)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Adelaide, SA Onkaparinga Australia	Seaford Rd. / Teakle Rd. / Eric Rd. (-35.18038, 138.48950)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Adelaide, SA Onkaparinga Australia	A15 (Dyson Rd.) / Flaxmill Rd. / Gulfview Rd. (-35.13043, 138.48561)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Adelaide, SA Onkaparinga Australia	Pimpala Rd. / States Rd. (-35.10469, 138.53478)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Adelaide, SA Campbelltown Australia	Morialta Rd. / Glen Stuart Rd. (-34.90047, 138.68419)	Roundabout Existing	All-Way Yield None	3 Approaches 3 Driveways	Other (At-Grade) Single-Lane
Adelaide, SA Burnside Australia	B26 (Greenhill Rd.) / Glynburn Rd. (-34.93833, 138.66018)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Adelaide, SA Australia	Fosters Rd. / Sir Ross Smith Blvd. / Folland Ave. (-34.85784, 138.63610)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Adelaide, SA Onkaparinga Australia	Seaford Rd. / Railway Rd. / (parking) (-35.18023, 138.49391)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Adelaide, SA Onkaparinga Australia	Black Rd. / Oakridge Rd. (-35.05875, 138.60351)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Adelaide, SA Onkaparinga Australia	Byards Rd. / Regency Rd. (-35.09087, 138.55931)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Adelaide, SA Playford Australia	Hogarth Rd. / Mofflin Rd. (-34.74067, 138.66478)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Avenida Palo Mayor / Avenida del Poniente (28.11253, -16.73076)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 42.1371	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Avenida Palo Mayor / Calle las Jarcias (28.11473, -16.72915)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.7624	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Plazoleta de las Riveira (Avenida de los Vientos / Avenida de los Oceanos) (28.11629, -16.73053)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.9220	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Plaza del Duque, 17 (28.09092, -16.73916)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 115.9002	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Calle El Cabezo / Avenida Virgen de Guadalupe (28.09982, -16.75052)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 42.1420	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Avenida de los Acantilados / Avenida Virgen de Gaudalupe (28.10251, -16.75382)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 53.7298	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Avenida de los Acantilados / Avenida de Ayyo (28.10402, -16.75159)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 56.8895	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Avenida de Macaronesia (28.10628, -16.74644)	Other Existing	Other Unknown	2 Approaches 0 Driveways 34.7651	Other (At-Grade) Single-Lane		Circulating traffic yields to entering traffic. ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Avenida de los Acantilados / Calle Alcojora (28.11100, -16.75476)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 54.7789	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	TF-47 / Calle Atalaya / TF-1 Ramps (28.12746, -16.74423)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 68.4632	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Avenida de Ayyo / Avenuida Barranco las Torres (28.12487, -16.73840)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 61.0917	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Avenida de Ayyo / TF-1 Ramps (28.12268, -16.74035)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 92.6927	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Calle la Cruz / Calle Bentinerfe (28.12387, -16.73638)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.2262	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Avenida Palo Mayor / Calle La Charfa / TF-1 Ramps (28.11404, -16.73547)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 89.5400	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Avenida Las Palmitas / (unknown) (28.11524, -16.74286)	Other Existing	Other Unknown	4 Approaches 0 Driveways 22.1214	Other (At-Grade) Single-Lane		Circulating traffic yields to entering traffic. ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Avenida San Borondón / Calle Tenerife (28.10690, -16.72784)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.9788	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Calle Beirut (28.09260, -16.72834)	Other Existing	All-Way Yield Unknown	2 Approaches 0 Driveways 46.3594	Other (At-Grade) Single-Lane		Parking within circulatory roadway. ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Calle Bruselas / Avenida de Moscu (28.09132, -16.73495)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 35.8236	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Adeje, Canary Islands Santa Cruz de Tenerife Spain	Acceso Siam Park / (unknown) (28.06917, -16.72451)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.9387	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Addlestone, England Surrey United Kingdom	A318 (Chertsey Rd.) / A317 (Woburn Hill) / St Peters Way / Addlestone Moor (51.38033, -0.49241)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Addlestone, England Surrey United Kingdom	A318 (Chertsey Rd.) / Princess Marys Rd. (51.37425, -0.49305)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Addlestone, England Surrey United Kingdom	A318 (Chertsey Rd.) / Green Ln. (51.37378, -0.49316)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Addlestone, England Surrey United Kingdom	Green Ln. / School Ln. (51.37556, -0.50128)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Addlestone, England Surrey United Kingdom	B3121 (Spinney Hill - Church Rd.) / Ongar Hill (51.36772, -0.50562)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Addlestone, England Surrey United Kingdom	B3121 (Station Rd.) / Garfield Rd. / (parking) (51.37170, -0.48785)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
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	.
Addis Ababa, Addis Ababa Ethiopia	Jimma Rd. / (unknown) (8.95049, 38.67027)	Unknown Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Addis Ababa, Addis Ababa Ethiopia	Michew Square (9.01028, 38.74442)	Unknown Existing	Unknown Unknown	6 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Addis Ababa, Addis Ababa Ethiopia	Seychelles St. / Alexander Pushkin Ave. / Egypt St.-Roosevelt St. Ramps (8.99462, 38.73842)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Unknown
Addis Ababa, Addis Ababa Ethiopia	Ring Rd. / Libya St. (8.99264, 38.71707)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)		Turbo roundabout.
Addis Ababa, Addis Ababa Ethiopia	Ring Rd. / (unknown) (8.98727, 38.70848)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Adazi, Ādaži Municipality Latvia	Gaujas iela / Attekas iela (57.07794, 24.32701)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Adazi, Ādaži Municipality Latvia	Gaujas iela / Pirma iela (57.07702, 24.32361)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Adazi, Ādaži Municipality Latvia	Gaujas iela / Rigas gatve (57.07587, 24.31967)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Adazi, Ādaži Municipality Latvia	Draudzibas iela / Rigas gatve (57.06862, 24.32214)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Adamstown, NSW Newcastle Australia	Brunker Rd. / Rifle St. / Bullecourt Circuit (-32.93908, 151.72489)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Adamstown, MD Frederick Co. United States	Mountville Rd. / Adams Common Dr. (39.30643, -77.47158)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.6482	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Adams, MA Berkshire Co. United States	Columbia St. (Rte 8) / Renfrew St. / Friend St. (42.63704, -73.11300)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.7517	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Acworth-Kennesaw, GA Cobb Co. United States	W Sandtown Rd. / Villa Rica Rd. (33.92703, -84.63775)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2008
Acworth, GA Cobb Co. United States	County Line Rd. / Burnt Hickory Rd. (33.99833, -84.72916)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.6557	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
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
Acworth, GA Cobb Co. United States	Cherokee St. / School St. (34.06728, -84.67720)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2019	Dotted edge line extension across exits. Crosswalks approximately 10 feet from circulatory roadway. Year Completed estimated (2018-2019).
Acworth, GA Cobb Co. United States	Tipton Cir. NW (33.99591, -84.71055)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Acworth, GA Cherokee Co. United States	Woodstock Rd. / Victory Dr. (34.10989, -84.59708)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2021).
Acton Park, TAS Clarence Australia	C330 (Acton Rd.) / Estate Dr. (-42.84649, 147.47873)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Acoma Indian Reservation, NM McKinley Co. United States	SH 30 / I-40 EB Ramps (35.07341, -107.56120)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 65.4897	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2010	Merging right-turn bypass lane on west leg. Series of 3 roundabouts. ICD estimated from Google Maps linework.
Acoma Indian Reservation, NM McKinley Co. United States	SH 30 / I-40 WB Ramps (35.07505, -107.56110)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 65.4884	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2010	Merging right-turn bypass lane on north leg. Series of 3 roundabouts. ICD estimated from Google Maps linework.
Acoma Indian Reservation, NM McKinley Co. United States	Silver Dollar Rd. / Veterans Blvd. (35.07119, -107.56000)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 43.0093	Other (At-Grade) Single-Lane	2010	Near Hospital, low ADT, series of 3 roundabouts. ICD estimated from Google Maps linework.
Achziv Industrial Zone-Milohot, Northern District Israel	Rte 8611 / (unknown) (32.97812, 35.09505)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Achziv Industrial Zone-Milohot, Northern District Israel	Rte 4 / Rte 899 (33.07512, 35.11557)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Achziv Industrial Zone-Milohot, Northern District Israel	(unknown) / (unknown) (33.08146, 35.14334)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Achinsk, Krasnoyarsk Achinsk Russia	ulitsa Gagarina / ulitsa Sverdlova / proyezd Aviatorov (56.25907, 90.47875)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Achinsk, Krasnoyarsk Achinsk Russia	Kirpichnaya 2-ya ulitsa / ulitsa Nazarova / Zarechnaya ulitsa (56.26466, 90.50496)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Accokeek, MD Prince George's Co. United States	St Mary's View Rd. / Lusby Ridge Rd. (38.69721, -76.95157)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane		No splitter island on south leg.
Acapulco, Guerrero Acapulco de Juárez Mexico	Avenida Costera Miguel Alemán / Calle Francia / Calle Maria Bonita (16.85296, -99.85435)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Unknown Multilane (3+ Lane)
Åbybro, North Jutland Denmark	Primærrute 11-Primærrute 55 (Aalborgvej) / Primærrute 11 (Thisted Landevej) / Primærrute 55 (Brogårdsvej) / Birkelsevej (57.15593, 9.72480)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Åby, Ostergotland County Norrköping Sweden	Västra Bravikenvägen / Koppargatan / Pjältvägen / Rte 55 Ramps (58.64857, 16.16947)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 49.7114	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Abita Springs, LA St. Tammany Par. United States	LA 59 / LA 36 (30.47826, -90.03768)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.8204	Other (At-Grade) Single-Lane	2007	https://www.nola.com/news/traffic/article_6d2b5475-b7f9-5429-a8f7-2127046c5508.html ICD estimated from Google Maps linework.
Abington, Scotland South Lanarkshire United Kingdom	Abington Interchange [B7078 / A74(M) NB Ramps] (55.50303, -3.69715)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Abington, Scotland South Lanarkshire United Kingdom	Abington Interchange [B7078 / A74(M) SB Ramps / A702 (Clyde Valley) / (service area entrance)] (55.50467, -3.69382)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Abingdon, MD Harford Co. United States	Laurel Bush Rd. / E Wheel Rd. (39.49411, -76.31652)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2011).
Abingdon, MD Harford Co. United States	Four Seasons Dr. / Raking Leaf Dr. / Raking Leaf Dr. / Indian Summer Ct. (39.45387, -76.28951)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2006	Painted splitter islands. Pedestrian crossings at entrance lines. Year Completed estimated (2005-2007).
Abingdon, MD Harford Co. United States	Tollgate Rd. / Singer Rd. (39.47828, -76.32727)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8121	Other (At-Grade) Single-Lane	1998	http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Abingdon, MD Harford Co. United States	Tollgate Rd. / Montrose Way (39.48198, -76.32751)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.5762	Other (At-Grade) Single-Lane	2003	Elementary school and library to north, another school to south. Functional Class: Collector ICD estimated from Google Maps linework.
Abingdon, MD Harford Co. United States	Merchants Blvd. / Wegmans Blvd. (39.46815, -76.30901)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.5039	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Abingdon, MD Harford Co. United States	Tewkesbury Rd. / Shrewsbury Rd. (39.45775, -76.27273)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.7952	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2003-2004). http://onlinepubs.trb.org/Onlinepubs/circulars/ec083/68_Statmeyerpaper.pdf ICD estimated from Google Maps linework.
Abidjan, Abidjan Abidjan Côte d’Ivoire	L23 / D33 / Boulevard François Mitterrand Ramps (5.35372, -3.97713)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Aberglasslyn, NSW Maitland Australia	Aberglasslyn Rd. / Warbler Ave. / Tea Tree Ave. (-32.69581, 151.53510)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Aberglasslyn, NSW Maitland Australia	Aberglasslyn Rd. / Denton Park Dr. / McKeachie Dr. (-32.70237, 151.53905)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Aberdeen, Scotland Aberdeen City United Kingdom	B077 (Great Southern Rd.) / West Tullos Rd. / Provost Watt Dr. (57.12650, -2.10910)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Aberdeen, Scotland Aberdeen City United Kingdom	A92 (Stonehaven Rd.) / B9077 (Great Southern Rd. - Leggart Terrace) (57.12227, -2.11691)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Aberdeen, Scotland Aberdeen City United Kingdom	West Tullos Rd. / Abbotswell Rd. / Abbots Pl. (57.12503, -2.10001)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Aberdeen, Scotland Aberdeen City United Kingdom	A956 (King St.) / A978 (Saint Machar Dr.) / School Rd. (57.16687, -2.09696)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Aberdeen, MD Harford Co. United States	Beards Hill Rd. / Middleton Rd. / Olympic Square (39.52719, -76.17773)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6364	Other (At-Grade) Single-Lane	2019	https://www.baltimoresun.com/maryland/harford/aegis/cng-ag-aberdeen-roundabout-opens-0927-20190926-2itkrrn43jctnkw2ch6et7ky7m-story.html ICD estimated from Google Maps linework.
Aberdeen, MD Harford Co. United States	Old Philadelphia Rd. (MD 7) / Perryman Rd. (MD 159) (39.48791, -76.19155)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.7911	Other (At-Grade) Single-Lane	2019	https://www.facebook.com/pg/Harford-County-Roundabouts-308793279204833/posts/ ICD estimated from Google Maps linework.
Aberdeen, MD Harford Co. United States	MD 7 (Philadelphia Rd.) / Seven Trails Dr. / (unknown) (39.48874, -76.22404)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.0861	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Aberdeen, MD Harford Co. United States	Philadelphia Rd. (MD 7) / Ashford Dr.. / Panell Dr. (39.48593, -76.23873)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.4792	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Aberdeen, MD Harford Co. United States	Tralee Cir. / Ashford Dr. (39.48395, -76.23831)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.8100	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Aberdeen, MD Harford Co. United States	Burnt Hill Trl. / Atlas Cedar Way / Thistle Hill Dr. (39.49324, -76.22236)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.1799	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.