Roundabouts Database Index

29411 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
Colorado Springs, CO El Paso Co. United States	Antelope Ridge Dr. / Blue Vail Way (38.90824, -104.68610)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.5986	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Nelson Blvd. / Harr Ave. (38.73903, -104.80268)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1948	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Printers Pkwy. / Parkside Dr. (38.82888, -104.78714)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://gazette.com/government/new-1-9-million-printers-parkway-roundabout-will-open-saturday/article_9b0c6926-1ada-11eb-8af3-1fa948d84954.html
Colorado Springs, CO El Paso Co. United States	S Tejon St. / Cascade Ave. / Cheyenne Blvd. / E Ramona Ave. (38.80932, -104.82650)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	Oblong shaped. https://gazette.com/cheyenneedition/traffic-circle-a-new-addition-to-ivywild-neighborhood/article_3fcc22d0-9c41-11ea-9167-03e005636fa2.html
Colorado Springs, CO El Paso Co. United States	Stanton Rd. / (parking) (38.89862, -104.80622)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2013	On college/university campus. Year Completed estimated (2011-2015).
Colorado Springs, CO El Paso Co. United States	Briargate Pkwy. / Wolf Center Dr. (38.97110, -104.72451)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.9272	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Briargate Pkwy. / Valemount Dr. (38.97236, -104.72142)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.4265	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Briargate Pkwy. / Wolf Lake Dr. (38.97533, -104.71652)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.9955	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Year Completed estimated (2017-2019). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Cordera Crest Ave. / Notch Trl. (38.97849, -104.75286)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.0664	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2015-2017). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Cordera Crest Ave. / Old Ranch Rd. (38.98344, -104.75789)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.5651	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2015-2017). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	N 30th St. / Gateway Rd. (38.87780, -104.87071)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2023	https://coloradosprings.gov/project/30th-street-corridor-project
Colorado Springs, CO El Paso Co. United States	Fontaine Blvd. / Lamprey Dr. (38.74007, -104.62463)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2019).
Colorado Springs, CO El Paso Co. United States	Bradley Rd. / SR 83 (S Academy Blvd.) NB Ramps / Cody Dr. (38.77019, -104.75705)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2007	Year Completed estimated (2006-2007).
Colorado Springs, CO El Paso Co. United States	Peak Innovation Pkwy. / Integration Loop (38.77922, -104.71029)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2021	Yield-controlled right-turn bypass lanes on north and south legs. Add-lane right-turn bypass lanes on east and west legs. Year Completed estimated (2020-2021).
Colorado Springs, CO El Paso Co. United States	Shale Dr. / Graphite Dr. (38.89675, -104.67676)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Single-Lane	2018	Very wide circulatory roadway relative to entry width. Year Completed estimated (2017-2019).
Colorado Springs, CO El Paso Co. United States	Mustang Rim Dr. / Durango Kid Dr. (38.92918, -104.68881)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2015).
Colorado Springs, CO El Paso Co. United States	Issaquah Dr. / Durango Kid Dr. (38.92864, -104.68562)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2015).
Colorado Springs, CO El Paso Co. United States	Issaquah Dr. / Hawk Wind Blvd. (38.92294, -104.68581)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2006-2011).
Colorado Springs, CO El Paso Co. United States	Kenosha Dr. / Mulberry Dr. (38.94566, -104.67644)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2015-2017).
Colorado Springs, CO El Paso Co. United States	Shiloh Mesa Dr. / Mulberry Dr. (38.94332, -104.67591)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2019).
Colorado Springs, CO El Paso Co. United States	Royal Pine Dr. / Purple Plum Way (38.97220, -104.75351)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2007-2011).
Colorado Springs, CO El Paso Co. United States	Spectrum Loop / Grey Hawk Dr. (39.02499, -104.81383)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2011).
Colorado Springs, CO El Paso Co. United States	Struthers Rd. / Gleneagle Dr. / Gleneagle Gate View (39.03042, -104.83108)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 64.0080	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2020	Oval shaped. ICD = 210 ft x 185 ft.
Colorado Springs, CO El Paso Co. United States	Tutt Blvd. / Greenway Pl. / (parking) (38.88292, -104.71469)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2023	Year Completed estimated (2022-2023).
Colorado Spings, CO El Paso Co. United States	Vincent Dr. / Campus Dr. (38.92903, -104.80970)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2019).
Colonie, NY Albany Co. United States	Winners Cir. / Marcus Blvd. / (parking) (42.72115, -73.79651)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2015).
Colonie, NY Albany Co. United States	Johnson Rd. / Boght Rd. / St. Agnes Hwy (42.76550, -73.73207)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.6881	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Colonie, NY Albany Co. United States	Albany Shaker Rd. / Maxwell Rd. (42.72396, -73.79143)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.7278	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Intersection is being relocated to east. Addition of a fourth leg is planned. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Colonie, NY Albany Co. United States	Sand Creek Rd. / Colonie Ct. (42.71318, -73.80853)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.3670	Other (At-Grade) Single-Lane	2008	4 legs, one for planned future road. Completion year of 2008 is approximate. Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Colonial Place-Riverview, VA Norfolk City United States	Colonial Circle (36.88400, -76.28676)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Colonial Place-Riverview, VA Norfolk City United States	Delaware Circle (36.88495, -76.29116)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Colonial Place-Riverview, VA Norfolk City United States	Carolina Circle (36.88150, -76.29000)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Colonial Place-Riverview, VA Norfolk City United States	Rhode Island Circle (36.88750, -76.28797)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Colonial Heights, VA Colonial Heights City Co. United States	Temple Ave / I-95 Ramps (37.25919, -77.40275)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 45.6275	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)	2018	ICD estimated from Google Maps linework.
Colonial Gardens, MO Boone Co. United States	Rollins Rd. / S Fairview Rd. (38.94681, -92.38090)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 12.0752	Other (At-Grade) Single-lane w/ Traversable Central Island	2013	ICD estimated from Google Maps linework.
Colon, MI St. Joseph Co. United States	W Colon Rd. / Farrand Rd. (41.96554, -85.33907)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.patriotledger.com/story/news/politics/county/2020/08/06/roundabout-way-intersection-project-complete/114367056/
Cologne, MN Carver Co. United States	STH 5 / Orchard Rd. (44.82925, -93.82348)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Single-Lane	2017	Rural. Year Completed estimated (2017-2018).
Cologne, North Rhine-Westphalia Cologne Germany	Verteilerkreis (50.89245, 6.96726)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 2 Driveways 107.7299	Other (At-Grade) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Cologne, MN Carver Co. United States	CR 53 / Village Pkwy. (44.76309, -93.78109)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.7681	Other (At-Grade) Single-Lane	2008	Right-turn bypass lane on north leg. ICD estimated from Google Maps linework.
Cologne, MN Carver Co. United States	Village Pkwy. / Village Market Dr. (44.76307, -93.78307)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.7681	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Cologne, North Rhine-Westphalia Cologne Germany	Niehler Ei [Industriestraße / K11 (Bremerhavener Straße)] (50.99462, 6.94787)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Cologna Veneta, Veneto Verona Italy	SP500 / Via Cavour / Via Groppeale (45.31169, 11.38406)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Colne, England Lancs United Kingdom	A6068 (Windsor St. - Byron Rd.) / A56 (Skipton Rd.) (53.86009, -2.16257)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Colne, England Lancs United Kingdom	A6068 (Keighley Rd. - Byron Rd.) / B6250 (Keighley Rd.) / Skipton Old Road (53.85953, -2.15142)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Colnbrook, England Slough United Kingdom	Horton Rd. / Stanwell Rd. / Poyle Rd. (51.47081, -0.51769)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Colnbrook, England Slough United Kingdom	Poyle Rd. / Blackthorne Rd. (51.47242, -0.51772)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Collinsville, QLD Whitsunday Australia	SR 77 (Conway St.) / Stanley St. (-20.55304, 147.84424)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Collingwood Park, QLD Ipswich Australia	Collingwood Dr. / Br Ted Magee Dr. / Sunnygold St. (-27.63910, 152.84939)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Collingwood, ON Simcoe Canada	Poplar Sideroad / High St. (44.47572, -80.22881)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.9406	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Collingwood, ON Simcoe Canada	Hwy 26 E / Poplar Sideroad (44.48718, -80.17379)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 50.2705	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Collingham, England Leeds United Kingdom	Wattle Syke Roundabout [A659 (Wattle Syke) / A168 (Boston Rd.) / West Woods Rd.] (53.90674, -1.38256)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Collierville, TN Shelby Co. United States	Mayfield Rd. N / Irene Woods Ln. (35.02468, -89.75702)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2013).
Collierville, TN Shelby Co. United States	Mayfield Rd. / Magellan Cir. / Mayfield Glen Cove (35.02537, -89.75424)	Other Existing	Other None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Stop control on side street.
Colleyville, TX Tarrant Co. United States	John McCain Rd. / Westcoat Dr. (32.91156, -97.16404)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-Lane	2020
Colleyville, TX Tarrant Co. United States	Westcoat Dr. / McDonwell School Rd. (32.90451, -97.16692)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://communityimpact.com/dallas-fort-worth/grapevine-colleyville-southlake/transportation/2020/11/11/city-of-colleyville-completes-public-art-installation/
Colleyville, TX Tarrant Co. United States	John McCain Rd. / Pleasant Run Rd. (32.91146, -97.15855)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2012	Right-turn-only lanes on north and south legs. Year Completed estimated (2012-2013).
Colleyville, TX Tarrant Co. United States	Cheek Sparger Rd. / Jackson Rd. / Central Dr. (32.86673, -97.13140)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2015	.
Colleyville, TX Tarrant Co. United States	Glade Rd. / Pool Rd. (32.88182, -97.12509)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2010	Merging right-turn bypass lanes on south and east legs.
Colleyville, TX Tarrant Co. United States	Hall-Johnson Rd. / Bogart Dr. (32.89345, -97.14912)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2007	Right turn bypass in one quadrant. Middle school driveway is one of legs. Concrete construction.
Collegetown, NY Tompkins Co. United States	College Ave. / Oak Ave. (42.44258, -76.48522)	Unknown Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Year Completed estimated (2021-2022).
Collegedale, TN Hamilton Co. United States	University Dr. / Taylor Cir. (35.04776, -85.04983)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2010	On campus of Southern Adventist University. Fountain in central island. Year Completed estimated (2008-2010).
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).
College Station, TX Brazos Co. United States	Veterans Pkwy. / (parking) (30.64496, -96.30071)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
College Station, TX Brazos Co. United States	Veterans Pkwy. / (parking) (30.64114, -96.29447)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
College Station, TX Brazos Co. United States	(unknown) (30.64501, -96.29351)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
College Station, TX Brazos Co. United States	Old Main Dr. / Lamar St. / Jones St. (30.61311, -96.34466)	Other Existing	Other None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	1970	Some yield control, some stop control.
College Station, TX Brazos Co. United States	Arrington Rd. / Private Dr. A / Private Dr. C (30.55915, -96.26419)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2011	Original approaches on Arrington Rd were completed in 2009. The other two legs providing access to the retail developments were added by 2011.
College Station, TX Brazos Co. United States	Scott and White Dr. / Old Rock Prairie Rd. (30.58426, -96.28080)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 64.0070	Other (At-Grade) Single-Lane	2013	On the grounds of the Scott and White Hospital complex, serves the main entrance to the hospital.
College Station, TX Brazos Co. United States	Wellness Ln. / Stonebrook Dr. (30.58436, -96.27781)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2013	On the grounds of the Scott and White Hospital complex, serves a secondary entrance to the hospital.
College Station, TX Brazos Co. United States	Veterans Pkwy. / (parking) (30.64202, -96.29761)	Other Existing	Other None	3 Approaches 0 Driveways 33.5270	Other (At-Grade) Single-Lane	2008	City athletic complex. Uncontrolled on major street; yield control on minor. Series of three.
College Park, FL Orange Co. United States	N Westmoreland Dr. / Seville Pl. (28.55824, -81.39338)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 21.3357	Other (At-Grade) Single-Lane		Pedestrian crossings along circulatory roadway.
College Park, MD Prince George's Co. United States	Campus Dr. / Mowatt Ln. / Valley Dr. (Alumni Dr.) (38.98482, -76.94890)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0037	Other (At-Grade) Single-Lane	2004	Striped splitter island on north and east legs. Year Completed estimated (2002-2005).
College Park, MD Prince George's Co. United States	River Rd. / University Research Ct. / Haig Dr. (38.96838, -76.92358)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.0005	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
College Park, MD Prince George's Co. United States	Campus Dr. / Regents Dr. (38.98762, -76.94019)	Other Existing	Other Unknown	4 Approaches 0 Driveways 58.4848	Other (At-Grade) Multilane (2 Lane, unspecified)		Mix of Yield and Stop signs (3 Yields; 1 Stop) at approaches. ICD estimated from Google Maps linework.
College Park, MD Prince George's Co. United States	Stadium Dr. / Alumni Dr. (38.99151, -76.94948)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)
College Park, MD Prince George's Co. United States	Fieldhouse Dr. / Presidential Dr. (38.98872, -76.95237)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
College Park, FL Palm Beach Co. United States	Pennsylvania Dr. / Fordham Dr. (26.64063, -80.05439)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
College Park, FL Orange Co. United States	Reading Dr. / Vassar St. (28.57290, -81.39565)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
College Park, MD Prince George's Co. United States	Dupont Circle (38.95971, -76.93792)	Other Existing	Other Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Mix of stop and yield control. No splitter islands.
College Park, MD Prince George's Co. United States	Lafayette Ave. / Rivertech Ct. (38.96737, -76.93276)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018).
Collaroy Plateau, NSW Northern Beaches Australia	Veterans Parade / Telopea St. (-33.73021, 151.28606)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Collaroy Plateau, NSW Northern Beaches Australia	Telopea St. / Aubreen St. (-33.73103, 151.29260)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Collaroy Plateau, NSW Northern Beaches Australia	Veterans Parade / Edgecliffe Blvd. (-33.72332, 151.28738)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Colgate, WI Waukesha Co. United States	CTH Q / Hillside Rd. (43.19319, -88.24181)	Roundabout Unknown	All-Way Yield None	4 Approaches 0 Driveways 42.6717	Other (At-Grade) Single-Lane	2023
Colfax, CA Placer Co. United States	S Auburn St. / I-80 WB Ramps / (unknown) (39.09472, -120.95079)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.5154	Freeway Ramps (Grade-Separated) Single-Lane	2019	City of Colfax is lead agency; Caltrans, Placer County, and developer mitigation funds paid for it. Expected completion 2019. Current configuration is a tee intersection; after construction there will be a fourth leg. ICD estimated from Google Maps linework.
Coleraine, N. Ireland Causeway Coast & Glens United Kingdom	Portrush Road Roundabout [A29 (Atlantic Rd. - Ring Rd.) / Atlantic Rd. / Ring Rd.] (55.15611, -6.66416)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Colebee, NSW Blacktown Australia	Alderton Dr. / Clearfield St. (-33.72375, 150.84563)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Colebee, NSW Blacktown Australia	Alderton Dr. / Woodburn St. / Sandalwood Crescent (-33.72317, 150.84896)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Colebee, NSW Blacktown Australia	Alderton Dr. / Stonecutters Dr. / Victory Rd. (-33.72243, 150.85342)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Colebee, NSW Blacktown Australia	Stonecutters Dr. / Medallist Parade / Slice St. (-33.72212, 150.86063)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Coldstream, VIC Yarra Ranges Australia	North Gateway / South Gateway (-37.72906, 145.37804)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Cold Spring, MN Stearns Co. United States	Red River Ave. N / N 5th Ave. E (45.46041, -94.42907)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.7229	Other (At-Grade) Single-Lane	2016	https://www.sctimes.com/story/news/local/rocori/2016/05/20/cold-spring-break-ground-citys-1st-roundabout/84643718/ ICD estimated from Google Maps linework.
Cold Hesledon, England Durham United Kingdom	A182 / Admiralty Way (54.81913, -1.33369)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Cold Hesledon, England Durham United Kingdom	A182 / A19 NB Ramps (54.81268, -1.36412)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Cold Hesledon, England Durham United Kingdom	A182 / A19 SB Ramps (54.81350, -1.36222)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Colchester Business Park, England Essex United Kingdom	Newcomen Way / The Crescent (51.92170, 0.92701)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Colchester, England Essex United Kingdom	A1232 (Ipswitch Rd.) / A120 Ramps (51.92176, 0.93465)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Colchester, England Essex United Kingdom	A1232 (Ipswich Rd.) / Highwoods Approach (51.90936, 0.92639)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Colchester, England Essex United Kingdom	Greenstead Roundabout: A133 (Saint Andrews Ave.-Clingoe Hill) / A134 (Colchester Causeway) / Greenstead Rd. / Avon Way (51.88446, 0.93270)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Ring junction (3+ mini-roundabouts in ring)		Ring junction of five multilane mini-roundabouts.
Colchester, England Essex United Kingdom	Saint Botolphs Circus [A134 / B1025 / St Botolphs St.] (51.88611, 0.90366)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)