Roundabouts Database Index

29679 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
Jerez de la Frontera, Andalusia Cadiz Spain	N-349 / Carretera Enlace con la A-4 / Calle Arboleda / (unknown) (36.70352, -6.08195)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	Cañada Ancha / Calle Comunicaciones (36.71619, -6.09179)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	Calle Comunicaciones / Calle Doblón (36.71761, -6.08969)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jerez de la Frontera, Andalusia Cadiz Spain	Calle Comunicaciones / Calle Real de Vellón (36.72081, -6.08496)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jerez de la Frontera, Andalusia Cadiz Spain	Cañada Ancha / A-4 WB Ramps (36.72378, -6.10006)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)		Concentric circulatory roadway striping.
Jerez de la Frontera, Andalusia Cadiz Spain	Avenida de la Innovacion / Avenida de la Creatividad (36.72958, -6.08709)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	N-346 / A-4 WB Ramps (36.75556, -6.07617)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Jerez de la Frontera, Andalusia Cadiz Spain	Avenida de Blas Infante / Avenida Puerta del Sur / Alcalde Cantos Ropeto / Avenida de la Liberta / Calle Moreno Mendoza / Calle Beato Diego de Cadiz (36.66877, -6.13253)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	Plaza del Pintor Carlos González Ragel (36.66777, -6.12838)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jerez de la Frontera, Andalusia Cadiz Spain	Avenida Alcalde Cantos Ropero / Calle Murruecos / Calle Sudáfrica (36.66596, -6.13205)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	Avenida de Rota/ Avenida Puerta del Sur / Calle Arquitecto José Vargas / Calle Cuatro Caminos / N-4 Ramps (36.67581, -6.14922)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Jerez de la Frontera, Andalusia Cadiz Spain	A-480 (Avenida de Chipiona) / IVa Ramps / Calle de Bonanza (36.68001, -6.15304)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	Avenida Rafael Pozo Roldán / Avenida Ana Maria Sierra (36.68820, -6.15651)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	Ronda de la Luz / Calle del Atardecer (36.69484, -6.16351)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	CA-3101 / A-4 SB Ramps (36.70050, -6.16737)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	CA-6014 / Avenida Escandinavia / Ronda de la Luz (36.69955, -6.16326)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	A-2000 / Calle Mar del Norte / Calle Mar de Mármara (36.70500, -6.14848)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Concentric circulatory roadway striping.
Jerez de la Frontera, Andalusia Cadiz Spain	A-2000 / A-4 SB Ramps (36.71185, -6.15198)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	CA-3102 / A-4 WB Ramps / CA-6106 (36.71650, -6.12575)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	(unknown) / (unknown) (36.71323, -6.11223)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	Avenida de la Ilustración / Avenida del Progreso / Calle de la Navegacion / Calle de la Agricultura (36.70935, -6.12294)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	Glorieta Leroy Merlin (N-4 / CA-3103 / Avenida de la Illustracion) (36.70709, -6.12853)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Jerez de la Frontera, Andalusia Cadiz Spain	N-4 (Avenida Reina Sofía) / Calle Costa de la Luz (36.70696, -6.13331)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	A-2000 / Carretera Trebujena (36.69978, -6.14613)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	N-4 / Calle del Mar de Alborán (36.70198, -6.14169)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	Carretera del Calvario / Avenida Ana Maria Sierra (36.69459, -6.15410)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	N-4 (Avenida Reina Sofía) / Avenida Carolina de Soto y Corro (36.69446, -6.15138)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	Glorieta José Estévez de los Reyes [N-4 / Calle Madreselva] (36.68801, -6.15410)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Jerez de la Frontera, Andalusia Cadiz Spain	Avenida de Italia / Calle Rodrigo de Jerez (36.66895, -6.14743)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	(unknown) (36.66778, -6.12837)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	Avenida Medina Sidonia / Calle Obispo Cirarda / Avenida Rey Juan Carlos I (36.67309, -6.12219)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Jerez de la Frontera, Andalusia Cadiz Spain	Avenida del Alcalde Cantos Ropero / Calle Marruecos (36.65876, -6.13079)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	Avenida Medina Sidona / Ruta del Caballo y el Toro / Calle Cactus (36.65852, -6.10015)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Jerez de la Frontera, Andalusia Cadiz Spain	Avenida Rey Don Juan Carlos I / Calle Hijuela de la Canaleja (36.68026, -6.09959)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jerez de la Frontera, Andalusia Cadiz Spain	Glorieta Padre Sebastián Rodríguez Andrade (Avenida de Arcos / Avenida Rafu Verdu / Avenida de la Universidad) (36.68679, -6.11535)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jensen Beach, FL Martin Co. United States	SR A1A / SR 732 (Jensen Beach Causeway) (27.25565, -80.19788)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2005	Yield-controlled right-turn bypass lane on north leg. Posted speed on approaches is 40 mph.
Jensen Beach, FL Martin Co. United States	Jensen Beach Blvd. / Candice Ave. / Pineapple Dr. (27.24387, -80.22741)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only)	5 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Railroad running through central island. ADT volume of 27000 on five-lane road west leg. Also an evacuation route. High volume FEC freight line.
Jensen Beach, FL Martin Co. United States	SR 707 / Pineapple Dr. / Jensen Beach Causeway (27.25074, -80.22818)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.7914	Other (At-Grade) Single-Lane	1999	RT only lanes entering roundabout on two approaches. ICD estimated from Google Maps linework.
Jensen Beach, FL Martin Co. United States	SR 707 (NE Dixie Hwy.) / NE Palmer St. / NE Langford Ln. (27.22321, -80.22038)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2018	Replaced triangular intersection.
Jensen Beach, FL Martin Co. United States	NE Savannah Rd. / NE Pinelake Village Blvd. / NE Collins Cir. (27.23035, -80.23639)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2008	Oval shaped. ICD = 110 ft x 95 ft. Crosswalks adjacent to circulatory roadway. Year Completed estimated (2007-2008).
Jennings, MO St. Louis Co. United States	Wilson Bridge Dr. / Alexandria Place Dr. (38.73354, -90.24449)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Jenks, OK Tulsa Co. United States	S 1st St. / (parking) (36.01555, -95.96640)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only)	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2017	At-grade rail crossing approximately 270 ft on northwest leg. Year Completed estimated (2016-2017).
Jenks, OK Tulsa Co. United States	S Aquarium Dr. / S 7th St. / Aquarium Dr. / E 101st St. (36.01776, -95.96138)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Single-Lane	2017	TWSC intersection relocated to east. Year Completed estimated (2016-2017).
Jelgava, Latvia	Loka maģistrāle / Bērzu ceļš (56.67065, 23.74253)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jelgava, Latvia	Loka maģistrāle / Rubeņu ceļš (56.66083, 23.78495)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jelgava, Latvia	Loka maģistrāle / Langervaldes iela (56.65650, 23.79418)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jelgava, Latvia	Rīga-Jelgava-Lietuvas robeža [A8-E77 (Miera iela) / P94 (Miera iela)] (56.62956, 23.75276)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jekyll Island, GA Glynn Co. United States	GA 520 (Ben Fortson Pkwy.) / N Beachview Dr. (31.04758, -81.41269)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2011	Elliptical shaped. ICD = 135 ft x 125 ft.
Jeffersonville, VT Lamoille Co. United States	VT 108 / VT 15 (44.64775, -72.82956)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.5430	Other (At-Grade) Single-Lane	2014	Completion year estimated. ICD estimated from Google Maps linework.
Jeffersonville, IN Clark Co. United States	Port Rd. / IN-265 WB Ramps (38.34491, -85.70012)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 58.0754	Freeway Ramps (Grade-Separated) Single-Lane	2016	Raindrop shape. ICD estimated from Google Maps linework.
Jeffersonville, IN Clark Co. United States	E 10th St. / IN-62 WB Ramps (38.34567, -85.70617)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.3280	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Jeffersonville, IN Clark Co. United States	E 10th St. / IN-62 EB Ramps (38.34309, -85.70641)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signal/Beacon	3 Approaches 0 Driveways 65.5707	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)	2015	At-grade rail crossing on south legm with PHBs controlling west and north legs. No pedestrian crossings. ICD estimated from Google Maps linework.
Jefferson Township, OH Franklin Co. United States	Reynoldsburg New Albany Rd. / Havens Rd. (40.02985, -82.81429)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	https://www.facebook.com/groups/dullmensclub/posts/1361459861177218/
Jefferson City, MO Cole Co. United States	Stoneridge Pkwy. / Hard Rock Dr. (38.57574, -92.22419)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2015	Year Completed estimated (2015-2017).
Jefferson City, MO Cole Co. United States	Old Lohman Rd. / Westview Dr. / Big Horn Dr. (38.56917, -92.28955)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2011	Elliptical shaped. ICD = 140 ft x 120 ft.
Jefferson City, MO Cole Co. United States	E McCarty St. / US 50 EB Ramps / Supercenter Dr. (38.54169, -92.12189)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Freeway Ramps (Grade-Separated) Single-Lane	2009	Yielding right-turn bypass lane with acute view angle on northwest leg. Year Completed estimated (2007-2009).
Jefferson City, MO Cole Co. United States	E McCarty St. / US 50 WB Ramps (38.54432, -92.11960)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2009	Year Completed estimated (2007-2009).
Jefferson City, MO Cole Co. United States	Central Stadium Blvd. / Jefferson St. (38.56496, -92.18680)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 45.7585	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Jefferson City, MO Cole Co. United States	Mission Dr. / Rolling Hills Dr. / St. Marys Health Center access / (future road) / (future road) (38.56022, -92.21954)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 57.9024	Other (At-Grade) Single-Lane	2013	Access to hospital. ICD estimated from Google Maps linework.
Jefferson City, MO Cole Co. United States	Leslie Blvd. / Stadium Blvd. / Lafayette St. (38.56052, -92.17668)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2009-2010).
Jefferson City, MO Cole Co. United States	Ellis Blvd. / Tanner Bridge Rd. (38.55085, -92.18866)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2011	Elliptical shape. ICD = 135 ft x 125 ft. Skewed intersection. Right-turn bypass lane due to skew on west leg. Year Completed estimated (2010-2011).
Jefferson City, MO Cole Co. United States	W Stadium Blvd. / Hard Rock Dr. / (parking lot) (38.57584, -92.21602)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	Add-lane right-turn bypass lane on north leg; yield-controlled right-turn bypass lane on west leg.
Jefferson City, MO Cole Co. United States	W Stadium Blvd. / Hyde Park Rd. / (future street) (38.57733, -92.21556)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2010	Fourth leg stubbed.
Jefferson, GA Jackson Co. United States	GA 11 / GA 124 (34.09190, -83.61570)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2012	Painted splitter islands. Year Completed estimated (2011-2013).
Jefferson, GA Jackson Co. United States	Traditions Way / Cotton Gin Row / Delaperriere Loop (34.09591, -83.69507)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Jefferson, GA Jackson Co. United States	Traditions Way / Sanctuary Way (34.07650, -83.70251)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Jászberény, Jász-Nagykun-Szolnok Jászberényi járás Hungary	Main road 32 (Dózsa György út - Jászteleki út) / Jákóhalmi út (47.50150, 19.92145)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Järva, Stockholm County Solna Sweden	Vallgatan / Kolonnvägen (59.38022, 18.00859)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 23.1161	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Järva, Stockholm County Solna Sweden	Råsta Strandväg / Signalbron (59.37249, 18.00357)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.9467	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Järva, Stockholm County Solna Sweden	Kolonnvägen / Gårdsvägen (59.36846, 18.01008)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 23.1241	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Järva, Stockholm County Solna Sweden	Gustav III:s Boulevard / Frögatan (59.37170, 18.01658)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.0692	Other (At-Grade) Single-Lane		Parking along circulatory roadway. ICD estimated from Google Maps linework.
Järva, Stockholm County Solna Sweden	Råsta Strandväg / Evenemangsgatan (59.37367, 17.99665)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 35.8977	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Jarrow, England South Tyneside United Kingdom	A194 (Leam Ln. - Newcastle Rd.) / A1300 (John Reid Rd.) / Auckland Terrace (54.96804, -1.46718)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Jardines de los Arcos, Jalisco Guadalajara Mexico	San Bonifacio / Sijüenza y Góngora (20.67169, -103.39753)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 15.6441	Unknown Single-Lane		ICD estimated from Google Maps linework.
Jardia, Setúbal Montijo Portugal	N4 (Avenida Dom Manuel) / Rua das Forças Armadas / Rua Infante Dom Francisco (38.70686, -8.92771)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jardia, Setúbal Montijo Portugal	N5 / N11-2 / Rua do Operário (38.68648, -8.94418)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Janesville, WI Rock Co. United States	E Racine St. / I-90 WB-I-39 NB Ramps (42.67077, -88.98221)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 55.3230	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	Replaced cloverleaf interchange. ICD estimated from Google Maps linework.
Janesville, WI Rock Co. United States	E Racine St. / I-90 EB-I-39 SB Ramps (42.67098, -88.98493)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 51.8102	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	Replaced cloverleaf interchange. ICD estimated from Google Maps linework.
Janesville, IA Bremer Co. United States	Barrick Rd. / US 218 SB Ramps (42.64937, -92.45388)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Freeway Ramps (Grade-Separated) Single-Lane	2012
Janesville, IA Bremer Co. United States	Barrick Rd. / US 218 NB Ramps (42.64935, -92.44918)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Freeway Ramps (Grade-Separated) Single-Lane	2012
Janesville, WI Rock Co. United States	N Harmony Town Hall Rd. / STH 26 NB Ramps (42.75114, -88.95416)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2012	Interchange replaced single at-grade two-way stop-controlled intersection.
Janesville, WI Rock Co. United States	N Harmony Town Hall Rd. / STH 26 SB Ramps (42.75331, -88.95426)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2012	Interchange replaced single at-grade two-way stop-controlled intersection.
Janesville, WI Rock Co. United States	Morse St. / Menards Access (42.72334, -88.99679)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.3412	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Janesville, WI Rock Co. United States	Sandhill Dr. / Sandstone Dr. (42.71610, -88.95860)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.0801	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
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
Jandakot, WA Cockburn Australia	Karel Ave. / Berrigan Dr. (-32.09006, 115.86411)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jandakot, WA Cockburn Australia	Karel Ave. / Pilatus St. / Orion Rd. (-32.09103, 115.86835)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jandakot, WA Cockburn Australia	Karel Ave. / SR 3 (Roe Hwy.) EB Ramps (-32.08544, 115.86405)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane		Raindrop shaped.
Jandakot, WA Cockburn Australia	Karel Ave. / SR 3 (Roe Hwy.) WB Ramps (-32.08701, 115.86359)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		Raindrop shaped.
Jämjö, Blekinge County Karlskrona kommun Sweden	E22 (Västra Riksvägen) / Kvarnlyckevägen (56.19204, 15.83579)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2011	Construction in 2010 and finished in 2011. Previous control included a signalized crosswalk across one leg of major road. This was removed in 2010.
Jamestown, CA Tuolumne Co. United States	SR 108 / People of the Mountain Rd. (MacKey Ranch Rd.) / Sierra Rock Rd. (37.92569, -120.44641)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.uniondemocrat.com/news/local/article_c858c6e0-40ee-11ed-b07d-6b13ef882d63.html
James Island, SC Charleston Co. United States	Fort Johnson Rd. / Harbor View Rd. / Sterling Dr. (32.74134, -79.91551)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2016
James Island, SC Charleston Co. United States	Camp Rd. / Riverland Dr. (32.73323, -79.98198)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2020-2021).
James City, NC Craven Co. United States	W Grantham Rd. / Pine St. (35.06418, -77.02352)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only)	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2023	Roundabout relocated to be approximately 50 feet from railroad track. Intersection moved approximately 350 feet southwest of the original location. Previous intersection was controlled with stop signs on 3 of the approaches. https://www.witn.com/2023/09/05/james-city-traffic-roundabout-set-open-friday/
James City, NC Craven Co. United States	Terminal Dr. / Airline Dr. / (parking) (35.07889, -77.03292)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	Only 2 approaches but 4 exits. Year Completed estimated (2019-2022).
Jamaica Plain, MA Suffolk Co. United States	Arborway / Centre St. (42.30899, -71.12169)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 75.9583	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Jamaica Plain, MA Suffolk Co. United States	Arborway / Prince St. / Pond St. (42.31339, -71.12175)	Rotary Existing	All-Way Yield Unknown	6 Approaches 0 Driveways 82.1352	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Jamaica Plain, MA Suffolk Co. United States	Heath Square Rotary (Heath St. / New Heath St. / Hensley St. / Parker St.) (42.32630, -71.10037)	Rotary Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 33.5538	Other (At-Grade) Single-Lane	2004	Converted to circular rotary from triangular intersection in 2004. ICD estimated from Google Maps linework.
Jamaica Plain, MA Suffolk Co. United States	Hyde Square Rotary (Centre St. / Perkins St. / Day St.) (42.32193, -71.10991)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.7255	Other (At-Grade) Single-Lane		Stop control on Day St. Reconfigured in 2018 but retains stop control on Day St. ICD estimated from Google Maps linework.
Jakobsberg, Stockholm County Järfälla Sweden	Järfällavägen / Frihetsvägen (59.41815, 17.82961)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 27.9513	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.