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
Castletown, England Sunderland United Kingdom	B1291 (Church Bank - Sunderland Rd.) / Church Bank (54.92001, -1.40504)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Castropol, Principality of Asturias Asturias Spain	AS-31 / A-8 EB Ramps (43.54295, -7.02135)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.6888	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Castropol, Principality of Asturias Asturias Spain	AS-31 / Pol. Ind. Barres (43.53464, -6.98657)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 57.1453	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Castroville, CA Monterey Co. United States	(unknown) / SR 156 EB Ramps (36.76908, -121.73823)	Roundabout Unknown	All-Way Yield Unknown	3 Approaches 0 Driveways 41.7573	Freeway Ramps (Grade-Separated) Single-Lane		Anticipated opening year 2025. Future 3rd leg is planned to connect to BlackieRd.
Castroville, CA Monterey Co. United States	(unknown) / SR 156 WB Ramps (36.77058, -121.73771)	Roundabout Unknown	All-Way Yield Unknown	4 Approaches 0 Driveways 53.3400	Freeway Ramps (Grade-Separated) Single-Lane		Anticipated opening year 2025.
Castroville, CA Monterey Co. United States	Castroville Blvd. / (unknown) (36.77419, -121.74051)	Roundabout Unknown	All-Way Yield Unknown	3 Approaches 0 Driveways 49.3776	Other (At-Grade) Single-Lane		Anticipated opening year 2025.
Catalina Lakes, FL Palm Beach Co. United States	Santa Barbara Way / Catalina Lakes Blvd. (26.83444, -80.09183)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Catalina Lakes, FL Palm Beach Co. United States	Santa Barbara Way / Fortuna Dr. / Salinas Dr. (26.83228, -80.09030)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands.
Catania, Sicily Catania Italy	SS192 (Stradale Gelso Bianco) / (connector to SP701) / (connector to A19) (37.47114, 15.04248)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Catedral, Bolivar State Municipio Angostura del Orinoco Venezuela	Avenida Germania / Avenida La Paragua / Avenida N (8.13201, -63.52646)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Catedral, Bolivar State Municipio Angostura del Orinoco Venezuela	Avenida Germania / (unknown) (8.13245, -63.53588)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Catedral, Bolivar State Municipio Angostura del Orinoco Venezuela	Avenida 19 de abril / Avenida 5 de Julio (8.13703, -63.53822)	Unknown Existing	Unknown Unknown	6 Approaches 0 Driveways	Other (At-Grade) Unknown
Catonsville, MD Baltimore Co. United States	Research Park Dr. (39.24868, -76.71406)	Other Existing	Uncontrolled Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Catonsville, MD Baltimore Co. United States	Hidden Bludd Cir. / Jacks Ct. (39.25966, -76.71926)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Catonsville, MD Baltimore Co. United States	UMBC Blvd. / Research Park Dr. (39.24874, -76.71580)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.3950	Other (At-Grade) Single-Lane	2015	Elliptical shape. ICD estimated from Google Maps linework.
Catonsville, MD Baltimore Co. United States	Hilltop Cir. / UMBC Blvd. (39.25178, -76.71442)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 60.1156	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	Lane changes needed for some through movements. ICD estimated from Google Maps linework.
Catonsville, MD Baltimore Co. United States	Edmundson Avenue / Old Frederick Road (39.27533, -76.76612)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.3400	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Catonsville, MD Baltimore Co. United States	MD 372 / Hilltop Rd. / Entrance to UMBC (39.25733, -76.71964)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.1417	Other (At-Grade) Single-Lane	1998	Functional Class: Collector ICD estimated from Google Maps linework.
Caurel, Grand Est Marne France	D30 / E46-A34 NB Ramps (49.31423, 4.15190)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 43.6013	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Caurel, Grand Est Marne France	D151 / (unknown) (49.31037, 4.14445)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.3676	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Cauro, Corsica Southern Corsica France	Résidence Prunelli (41.90545, 8.83323)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Cauro, Corsica Southern Corsica France	D55 / D555 (41.90812, 8.82443)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cauro, Corsica Southern Corsica France	T40 / D55 (41.91179, 8.82656)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Cavan, Cavan Ireland	R198 (Railway Rd. - College St.) / R212 (Farnham St.) (53.98995, -7.36354)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cavan-Monaghan, ON Peterborough Canada	Peterborough Road 28 / Wallace Point Rd. (CR-21) (44.16808, -78.37096)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.5542	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2012-2014). ICD estimated from Google Maps linework.
Caversham, WA Swan Australia	Daviot Rd. / Suffolk St. / Patricia St. (-31.86650, 115.96336)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Caversham, WA Swan Australia	Suffolk St. / Arthur St. (-31.86715, 115.97458)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Caversham, WA Swan Australia	SR 76 (Benara Rd.) / SR 52 (Swan Rd. (-31.87580, 115.97495)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Caves Beach, NSW Lake Macquarie Australia	Caves Beach Rd. / Civic Ave. (-33.10299, 151.64531)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Caxias, Lisbon Oeiras Portugal	Rua Calvet de Magalhães / Avenida António Sena da Silva / Rua do Penedo (38.71033, -9.28560)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Caxias, Lisbon Oeiras Portugal	Avenida das Seleções / Estrada Militar / A9 SB Ramps (38.71045, -9.26562)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Cayey, PR Cayey United States	Avenida Fernandez Garcia / (unknown) (18.11155, -66.16531)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)	2022
Cayey, PR Cayey United States	Hwy 1 / Fernadez Garcia Avenida / Calle Emérito Cordero (18.10442, -66.16434)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 170.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2017	Year Completed estimated (2015-2017).
Cayey, PR Monte Llano United States	Hwy 1 / Calle Tito Figueroa (Hwy 7715) / (unknown) (18.11612, -66.14562)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 200.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2016	Year Completed estimated (2015-2017).
Cayey, PR Cayey United States	Hwy 15 (Calle Evaristo Vázquez) / Calle José M. Puente / (unknown) (18.11231, -66.16328)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 170.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2019	Concentric circulatory roadway markings. Year Completed estimated (2018-2019).
Cearfoss, MD Washington Co. United States	MD 63 / MD 58 / MD 494 (Cearfoss Pike) (39.70017, -77.77593)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	1995	Completed December 1995.
Cebu, Central Visayas Cebu Philippines	Pres. Osmena Boulevard / General Maxilom Ave / B. Rodriguez (10.30980, 123.89317)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)		Pedestrian access to central island.
Cecil Hills, NSW Liverpool Australia	Feodore Dr. / Sandringham Dr. / Spencer Rd. (-33.88769, 150.84907)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cecil Hills, NSW Liverpool Australia	Feodore Dr. / Lancaster Ave. (-33.88727, 150.84773)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cecil Hills, NSW Liverpool Australia	Feodore Dr. / Clementina Circuit / Inverness Circuit (-33.88861, 150.84530)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cecil Hills, NSW Liverpool Australia	Spencer Rd. / Feodore Dr. / Frederick Rd. (-33.89502, 150.84992)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cecil Hills, NSW Liverpool Australia	Sandringham Dr. / Windsor Rd. (-33.88477, 150.85778)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cecil Township, PA Washington Co. United States	Main St. / Town Center Blvd. / Town Center Way / Mylan Blvd. (40.27383, -80.16333)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.6267	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Cedar City, UT Iron Co. United States	Knoll St. / N Fairview Dr. (37.69816, -113.05654)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.9102	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2006). ICD estimated from Google Maps linework.
Cedar City, UT Iron Co. United States	Knoll St. (37.69810, -113.05439)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 37.8002	Other (At-Grade) Single-Lane	2005	No splitter islands. Year Completed estimated (2004-2006). ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Greenhill Rd. (42.50253, -92.47488)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.9817	Other (At-Grade) Single-Lane	2017	http://www.cedarfalls.com/CivicAlerts.aspx?AID=922&ARC=2213 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Waterloo Rd. (42.51304, -92.42713)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.8558	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Holiday Rd. (42.51304, -92.43342)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.7362	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Boulder Dr. (42.51312, -92.43821)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.4202	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / SR 27-SR 58 SB Ramps (42.51311, -92.44391)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.8558	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2018	Raindrop shape. http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / SR 27-SR 58 NB Ramps (42.51311, -92.44268)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.4202	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2018	Raindrop shape. http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Cedar Heights Dr. (42.50672, -92.41123)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.0987	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	Prairie Pkwy. / Prairie View Rd. (42.49038, -92.43412)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.7219	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Year Completed estimated (2011-2015). Fist completed only with north and south legs, then east and west legs added 2015-2016. ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	Brandilynn Blvd. / Prairie Pkwy. (42.48552, -92.43468)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.2763	Other (At-Grade) Single-Lane	2009	In new commercial development. Functional Class: Local ICD estimated from Google Maps linework.
Cedar Falls, IA Blackhawk Co. United States	Cedar Heights Dr. / Viking Rd. (42.48899, -92.41638)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2007	Right-turn-only lane on west leg. Intersection relocated from T-intersection to the south. Opened November 2007.
Cedar Falls, IA Black Hawk Co. United States	W Ridgeway Ave / Chancellor Dr (42.47011, -92.45341)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.4535	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	Greenhill Rd. / Cedar Heights Dr. (42.49805, -92.41128)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2021	Year Completed estimated (2021-2022).
Cedar Falls, IA Black Hawk Co. United States	Cedar Heights Dr. / Huntington Rd. (42.49125, -92.41124)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022
Cedar Falls, IA Black Hawk Co. United States	W Ridgeway Ave. / Goldfinch Dr. (42.46945, -92.44998)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways 51.8160	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2019	Year Completed estimated (2018-2020).
Cedar Falls, IA Black Hawk Co. United States	Greenhill Rd. / S Main St. (42.49855, -92.44586)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	https://www.cedarfalls.com/1572/South-MainGreenhill-Intersection-Improve
Cedar Hills, UT Utah Co. United States	W Cedar Hills Dr. / N 4600 W (40.41553, -111.76866)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.9193	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Cedar Hills, UT Utah Co. United States	Cottonwood Dr. / Nielsen Blvd. / N Ironwood Dr. / Bayhill Dr. (40.42261, -111.75720)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005-2006).
Cedar Lake, IN Lake Co. United States	Lake Shore Dr. / Cline Ave. (41.38527, -87.43120)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://cedarlakein.org/blog-post/cline-lake-shore-drive-roundabout-update-05-27-20/
Cedar Lake Township, MN Scott Co. United States	TH 19 / CSAH 23 / CSAH 86 (44.54387, -93.44223)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0071	Other (At-Grade) Single-Lane	2010	Right-turn bypass lane in southwest quadrant. Realigned four 2-way stop intersections into single roundabout. ICD estimated from Google Maps linework.
Cedar Lake Township, MN Scott Co. United States	SH 13 (Langford Ave.) / CR 2 (260th St.) (44.57259, -93.50546)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.9429	Other (At-Grade) Single-Lane	2005	Rural location, intersection of two 55-mph facilities. Previous 2-way stop had 2 fatal crashes and 50 injury crashes in 5 years. Opened to traffic in September 2005. During 12 months after opening, 1 reported crash involving single motorcycle running off road. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Cedar Park, TX Williamson Co. United States	Lynnwood Trl. / E Park St. (30.51423, -97.81197)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2002	Minimal splitter islands on two legs.
Cedar Park, TX Williamson Co. United States	Crockett Rd. / Truman Ln. (30.51700, -97.80960)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6710	Other (At-Grade) Single-Lane	2002	Minimal splitter islands.
Cedar Park, TX Williamson Co. United States	Discovery Blvd. / Central Park Dr. / (parking access road) (30.52554, -97.82136)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2004	Right-turn bypass lane on south leg. Year Completed estimated (2002-2005).
Cedar Park, TX Travis Co. United States	Twin Creeks Club Dr. / Ebbsfleet Dr. / Dervingham Dr. (30.46788, -97.84923)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1995-2002).
Cedar Park, TX Williamson Co. United States	Bull Creek Pkwy. / Big Bend Dr. (30.53052, -97.82754)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2005
Cedar Park, TX Williamson Co. United States	Palo Duro Dr. / Hill Country Dr. (30.53198, -97.82604)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2004
Cedar Park, TX Williamson Co. United States	Discovery Blvd. / Main St. (30.52920, -97.82161)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2004	Partially completed between 2002-2005, third leg added in 2009. Completed in 2015.
Cedar Park, TX Williamson Co. United States	Big Spring Dr. / Colorado Bend Dr. (30.53151, -97.82338)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4310	Other (At-Grade) Single-Lane	2004
Cedar Park, TX Williamson Co. United States	Alamo Plaza Dr. / Enchanted Rock Dr. (30.53461, -97.82527)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 70.1040	Other (At-Grade) Single-Lane	2011	Diamond shaped. Pedestrian access to central island; no splitter islands.
Cedar Park, TX Travis Co. United States	Grand Oaks Loop / Abbotsbury Dr. (30.45421, -97.85857)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Cedar Park, TX Travis Co. United States	Grand Oaks Loop / Twin Creeks Club Dr. (30.45940, -97.85709)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Cedar Rapids, IA Linn Co. United States	Johnson Ave. NW / Jacolyn Dr. NW (41.96894, -91.73181)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-lane w/ Traversable Central Island	2020	Year Completed estimated (2019-2020).
Cedar Rapids, IA Linn Co. United States	E Ave. NW / Ellis Blvd. NW / 6th St. NW (41.97796, -91.68196)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only)	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-lane w/ Traversable Central Island	2023	At-grade rail crossing approximately 200 feet east of roundabout. https://www.thegazette.com/news/ellis-boulevard-extension-opens-to-traffic-in-northwest-cedar-rapids/
Cedar Rapids, IA Linn Co. United States	1st Ave. NW / Wiley Blvd. (41.96746, -91.72573)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island	2022
Cedar Rapids, IA Linn Co. United States	6th St. SW / (parking) (41.90137, -91.67614)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2021-2022).
Cedar Rapids, IA Linn Co. United States	6th St. SW / Commerce Park Dr. / (parking) (41.88168, -91.67595)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Single-Lane	2023	Year Completed estimated (2022-2023).
Cedar Rapids, IA Linn Co. United States	12th Ave. SE / 2nd St. SE (41.96957, -91.65931)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-lane w/ Traversable Central Island	2023
Cedar Rapids, IA Linn Co. United States	16th Ave. SE / 5th St. SE (41.97092, -91.65498)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2017-2019).
Cedar Rapids, IA Linn Co. United States	Kirkwood Blvd. / Woodstone Ln. SW (41.89597, -91.65653)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2021-2022).
Cedar Rapids, IA Linn Co. United States	Williams Blvd. / Dean Rd. (41.94231, -91.74776)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2020	Year Completed estimated (2019-2020). https://www.kcrg.com/2020/09/18/cedar-rapids-woman-faces-traffic-charges-after-overturning-her-van-on-williams-boulevard/
Cedar Rapids, IA Linn Co. United States	Stoney Point Rd. NW / E Ave. NW (41.97858, -91.75502)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019	https://kwwl.com/2019/08/16/stoney-point-rd-reopens-after-months-welcoming-cedar-rapids-4th-roundabout/
Cedar Rapids, IA Linn Co. United States	Tower Rd. SW / Training Rd. (41.91459, -91.65437)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.7725	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Cedar Rapids, IA Linn Co. United States	Kirkwood Blvd SW. / S School Access Rd. (41.89988, -91.65658)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6698	Other (At-Grade) Single-Lane	2017	http://www.cedar-rapids.org/local_government/departments_g_-_v/public_works/kirkwood_blvd_sw.php ICD estimated from Google Maps linework.
Cedar Rapids, IA Linn Co. United States	Johnson Ave. NW / Wiley Blvd. NW (41.97123, -91.72580)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 22.1990	Other (At-Grade) Single-Lane	2018	http://www.cedar-rapids.org/local_government/departments_g_-_v/public_works/johnson_avenue_nw.php ICD estimated from Google Maps linework.
Cedar Road Corridor, OH Cuyahoga Co. United States	Warrensville Center Rd. / Fairmount Blvd. / University Blvd. / John Carroll Blvd. / N Park Blvd. (41.48648, -81.53627)	Signalized Roundabout/Circle Existing	Signal Unknown	8 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (3+ Lane)		Hamburger shaped.
Cedarburg, WI Ozaukee Co. United States	Wauwatosa Rd. / Western Rd. (43.29349, -88.00431)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.7717	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Cedarburg, WI Ozaukee Co. United States	Wauwatosa Rd. / Bridge St. (43.30078, -88.00444)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.1600	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Cedarburg, WI Ozaukee Co. United States	STH 60 / Granville Rd. (CR Y) (43.32226, -88.04448)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2020). https://www.rasmith.com/projects/wis-60-eagle-drive-to-wis-181/
Ceduna, SA Ceduna Australia	McKenzie St. / Murat Terrace (-32.12594, 133.67654)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cegléd, Pest Ceglédi járás Hungary	SR 311 (Jászberényi út) / Malomtó szél (47.18167, 19.80062)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Celebration, FL Osceola Co. United States	Celebration Blvd. / Future Way (28.30090, -81.56698)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022
Celebration, FL Osceola Co. United States	Celebration Blvd. / Thoreau Dr. (28.30023, -81.57127)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2019	Year Completed estimated (2019-2020). Opened as 2x2; restriped to 2x1 in 2021.
Celebration Pointe, FL St. Lucie Co. United States	Celebration Dr. / Merriment Way (27.43158, -80.37878)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Celebration Pointe, FL St. Lucie Co. United States	Celebration Dr. / Imagination Dr. (27.43337, -80.37969)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Celina, TX Collin Co. United States	Choate Pkwy. / Kinship Pkwy. (33.29258, -96.76976)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2021	Interim scenario - ultimate lane configuration striped out on initial build.