Roundabouts Database Index

30321 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.

City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Málaga, Andalusia Málaga Spain	Calle Navarro Ledesma / Calle Mencia Calderon (36.72364, -4.48375)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.4197	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Avenida Pintor Rodrigo Vivar / Avenida Escritor Antonio Soler / Avenida Maria Victoria Atencia (36.72463, -4.48776)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 53.6075	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Calle María Victoria Atencia / Calle Jorge E. Loring Oyarzabal (36.72569, -4.48491)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.4187	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Calle María Victoria Atencia, 1 (36.72666, -4.48015)	Roundabout Existing	Other Unknown	4 Approaches 0 Driveways 39.2473	Other (At-Grade) Multilane (2 Lane, unspecified)		One stop-controlled entry. ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Calle Navarro Ledesma / Calle Andromeda (36.72434, -4.47604)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.2485	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Calle Navarro Ledesma / Calle Eolo / Calle Escritora Josefina Aldecoa (36.72430, -4.47456)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.6330	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Calle Navarro Ledesma / Avenida José Ribera (36.72428, -4.47310)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.1631	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Avenida José Ribera / Calle de Carmen Laforet (36.72282, -4.47270)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 22.0179	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Avenida del Editor Anget Cafferena / Calle Juan Frances Bosca / Avenida Pintor Manuel Barbadillo (36.72647, -4.47164)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 59.3497	Other (At-Grade) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	W Angela Blvd. / Riverside Dr. (41.69334, -86.26413)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6465	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Kings Beach, CA Placer Co. United States	N Lake Blvd. / Coon St. (39.23589, -120.02207)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.6021	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Kings Beach, CA Placer Co. United States	N Lake Blvd. / Bear Ave. / Brook Ave. / (beach parking) (39.23681, -120.02465)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.0514	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Winters, CA Yolo Co. United States	SR 128 (E Grant Ave.) / Walnut Ln. / (parking lot) (38.52629, -121.96733)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8992	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Lakeport, CA Lake Co. United States	Todd Rd. / Parallel Dr. (39.03226, -122.92521)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.5433	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-2003). ICD estimated from Google Maps linework.
North Liberty, IA Johnson Co. United States	North Liberty Rd. NE / Dubuque St. NE (41.73359, -91.57568)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7807	Other (At-Grade) Single-Lane	2016	https://northlibertyiowa.org/2016/09/26/trail-closure-on-dubuque-street-trail-roundabout-nearing-completion/# ICD estimated from Google Maps linework.
Saint-Jérôme, QC La Rivière-du-Nord Regional County Municipality Canada	Rue Lamontagne / Rue de Montigne O (45.77599, -74.05012)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2002-2009).
St-Jean-Sur-Richelieu, QC Le Haut-Richelieu Regional County Municipality Canada	Rue des Colibris / (parc access) (45.35948, -73.28314)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 52.0306	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Sherbrooke, QC Sherbrooke Canada	Boulevard Industriel / Boulevard de Portland / Boulevard René-Lévesque (45.39569, -71.98464)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.5133	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	Grade-separated path for pedestrians and bicyclists: https://translate.google.com/translate?hl=en&sl=fr&u=https://www.ville.sherbrooke.qc.ca/salle-de-presse/actualites/dossiers-municipaux/prolongement-du-boulevard-de-portland/ Connected to Boulevard René-Lévesque in 2018: https://translate.google.com/translate?hl=en&sl=fr&u=https://www.ville.sherbrooke.qc.ca/salle-de-presse/actualites/dossiers-municipaux/construction-du-boulevard-rene-levesque ICD estimated from Google Maps linework.
Sherbrooke, QC Sherbrooke Canada	Rue Henri-Labonne / Boulevard René-Lévesque (45.37523, -71.99868)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 27.6860	Other (At-Grade) Single-Lane	2018	https://translate.google.com/translate?hl=en&sl=fr&u=https://www.ville.sherbrooke.qc.ca/salle-de-presse/actualites/dossiers-municipaux/construction-du-boulevard-rene-levesque/ shows 2 other roundabouts on Boulevard René-Lévesque. ICD estimated from Google Maps linework.
Conway, NH Carroll Co. United States	North-South Rd / (Walmart parking) (44.01823, -71.10901)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.2134	Other (At-Grade) Single-Lane	2014	https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/nh_roundabouts_list_details_web_version.pdf ICD estimated from Google Maps linework.
Lancaster, NH Coos Co. United States	US 2 (Main St.) / US 3 (44.49690, -71.57632)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.9279	Other (At-Grade) Single-Lane	2016	https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/nh_roundabouts_list_details_web_version.pdf ICD estimated from Google Maps linework.
Warner, NH Merrimack Co. United States	Rte 103 / (shopping center parking) / (service station) (43.28882, -71.83340)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.5582	Other (At-Grade) Single-Lane	2016	https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/nh_roundabouts_list_details_web_version.pdf ICD estimated from Google Maps linework.
Concord, NH Merrimack Co. United States	Manor Rd. / Abbott Rd. (43.26422, -71.57349)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2018	https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/nh_roundabouts_list_details_web_version.pdf
Macon, GA Bibb Co. United States	Oglethorpe St. / College St. (32.83378, -83.64483)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 17.0600	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Pascagoula, MS Jackson Co. United States	Hospital Rd. / Old Mobile Hwy. (30.36849, -88.53333)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 88.6193	Other (At-Grade) Single-Lane	2017	http://cityofpascagoula.com/482/Hospital-Road-Improvements ICD estimated from Google Maps linework.
Tallahassee, FL Leon Co. United States	Bannerman Rd. / Beech Ridge Trl. (30.56320, -84.21951)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.3348	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
Upper Allen Township, PA Cumberland Co. United States	W Lisburn Rd. / Grantham Rd. (40.16298, -76.99018)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 16.4290	Other (At-Grade) Single-Lane	2018	https://www.abc27.com/news/top-video/new-traffic-circle-opens-in-upper-allen_20181003215307/1495637846 ICD estimated from Google Maps linework.
Cranberry Township, PA Butler Co. United States	N Boundary Rd. / Marshall Rd. (40.72428, -80.10002)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 19.9129	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Berthoud, CO Larimer Co. United States	N Berthoud Pkwy. / Woodcock St. (40.34689, -105.09527)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.4098	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Fourth approach stubbed. Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Concord, VA Campbell Co. United States	Village Hwy. / Doss Rd. / Spring Mill Rd. (37.33438, -78.98112)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2019).
Henderson, NV Clark Co. United States	Bicentennial Pkwy. / Via Inspirada (35.94042, -115.13329)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Peanut shape. Each node ICD = 150 ft; total length 450 ft. Opened 2018. News report that they are planning on replacing this roundabout with a signalized intersection in 2024. https://www.reviewjournal.com/local/traffic/after-nearly-100-crashes-henderson-to-replace-figure-eight-roundabout-3061585/
Sherbrooke, QC Sherbrooke Canada	Route 112 / Autoroute 610 (45.42954, -71.82424)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 56.9951	Freeway Ramps (Grade-Separated) Single-Lane	2011	Free-flowing right-turn bypass lanes on all legs. Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
Waterville, QC Coaticook Regional County Municipality Canada	Route Gilbert-Hyatt (Rte 108-Rte 143) / Rte 147 (45.34374, -71.86662)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.6507	Other (At-Grade) Single-Lane	2011	Year Completed based on Streetview. ICD estimated from Google Maps linework.
Lennoxville, QC Sherbrooke Canada	Rte 108 / Autoroute 410 WB Onramp (45.35581, -71.86037)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 0 Driveways 52.8732	Freeway Ramps (Grade-Separated) Single-Lane	2011	Future third approach (off-ramp) stubbed. ICD estimated from Google Maps linework.
Lennoxville, QC Sherbrooke Canada	Rte 108 / Autoroute 410 EB Offramp (45.35401, -71.86207)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 52.8749	Freeway Ramps (Grade-Separated) Single-Lane	2011	Fourth leg (future on-ramp) stubbed. ICD estimated from Google Maps linework.
Hatley Canton, QC Memphrémagog Regional County Municipality Canada	Rue Belvédère / Autoroute 410 WB Ramps (45.36010, -71.89496)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.9597	Freeway Ramps (Grade-Separated) Single-Lane	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Hatley Canton, QC Memphrémagog Regional County Municipality Canada	Rue Belvédère / Autoroute 410 EB Ramps (45.35780, -71.89470)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.4437	Freeway Ramps (Grade-Separated) Single-Lane	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
West Friendship, MD Howard Co. United States	Burntwoods Rd. / Andrea Dr. / MD 32 NB Ramps (39.27321, -76.98627)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.1338	Freeway Ramps (Grade-Separated) Single-Lane	2008	ICD estimated from Google Maps linework.
Glenelg, MD Howard Co. United States	Burntwoods Rd. (MD 932B) / Ten Oaks Rd. (MD 932C) (39.27315, -76.98805)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.9074	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Glenelg, MD Howard Co. United States	Ten Oaks Rd. / Pfefferkorn Rd. / MD 32 SB Ramps (39.27615, -76.98641)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.3587	Freeway Ramps (Grade-Separated) Single-Lane	2008	ICD estimated from Google Maps linework.
Glenwood, MD Howard Co. United States	Burntwoods Rd. / Sharp Rd. (39.27702, -77.00369)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.5847	Other (At-Grade) Single-Lane	2006	Adjacent to Glenelg High School. ICD estimated from Google Maps linework.
Portage, WI Columbia Co. United States	W Wisconsin St. (STH 16) / Columbia Dr. (STH 127) / I-39 SB Ramps (43.56023, -89.49496)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 51.9282	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2018	https://www.wiscnews.com/portagedailyregister/news/local/dot-nearly-ready-to-open-portage-s-first-roundabout-to/article_bdd0df9d-4e73-52b4-99de-252ab92cf7c8.html#4 ICD estimated from Google Maps linework.
DeForest, WI Dane Co. United States	CR V / US 51 NB Ramps (43.25270, -89.32322)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.0214	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2014	date: https://www.oesllc.com/portfolio-items/ush-51-expansion-and-interchange-madison-deforest-dane-county-wi/ ICD estimated from Google Maps linework.
Windsor, WI Dane Co. United States	CR V / US 51 SB Ramps (43.25275, -89.32500)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.9732	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2014	date: https://www.oesllc.com/portfolio-items/ush-51-expansion-and-interchange-madison-deforest-dane-county-wi/ ICD estimated from Google Maps linework.
DeForest, WI Dane Co. United States	CR V (E North St.) / North Towne Rd. / Ball Ct. (43.25277, -89.32677)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.8431	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	date: https://www.oesllc.com/portfolio-items/ush-51-expansion-and-interchange-madison-deforest-dane-county-wi/ ICD estimated from Google Maps linework.
Windsor, WI Dane Co. United States	Windsor Rd. / US 51 NB Ramps (43.21629, -89.32191)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.3902	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	Year Completed estimated (2013-2014). Under construction in 2013 per Streetview. ICD estimated from Google Maps linework.
Windsor, WI Dane Co. United States	Windsor Rd. / US 51 SB Ramps (43.21641, -89.32400)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.2973	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Windsor, WI Dane Co. United States	Windsor Rd. / N Towne Rd. (43.21636, -89.32789)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.9085	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Dale, WI Outagamie Co. United States	US 45 / STH 96 (Wisconsin Rd.) (44.27234, -88.73946)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.0622	Other (At-Grade) Single-Lane	2018	date: https://www.whby.com/2018/04/15/roundabout-project-to-start-at-hwys-45-96/# ICD estimated from Google Maps linework.
Highland, IL Madison Co. United States	Broadway / Poplar St. (38.73957, -89.67148)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 44.7156	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
O'Fallon, IL St. Clair Co. United States	Milburn School Rd. / Merriam Pkwy. / Milburn Estates Dr. (38.61429, -89.94506)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1966	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
O'Fallon, IL St. Clair Co. United States	Old Vincennes Trl. / Seven Hills Rd. / E State St. (38.59342, -89.89246)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.4056	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Marion, IL Williamson Co. United States	N Russell St. / W Boulevard St. (37.73692, -88.94186)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.8347	Other (At-Grade) Single-Lane	2015	date: https://www.kfvs12.com/story/29497509/marion-to-install-roundabout-at-busy-intersection/ ICD estimated from Google Maps linework.
Aurora, IL Kane Co. United States	Sullivan Rd. / N Highland Ave. (41.78864, -88.32894)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 28.4960	Other (At-Grade) Single-Lane	2016	date: https://www.linkedin.com/pulse/new-roundabout-opens-aurora-il-kevin-kassay ICD estimated from Google Maps linework.
Sugar Grove, IL Kane Co. United States	Dugan Rd. / Granart Rd. / Bucktail Ln. (41.76143, -88.48939)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.5260	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	date: https://www.kcchronicle.com/2015/08/18/sugar-grove-roundabout-opens/a5jsq7l/ Granart Rd. moved about 300 ft south to align with Bucktail Ln. ICD estimated from Google Maps linework.
Tacoma, WA Pierce Co. United States	E 29th St. / E 30th St. / E 28th St. (47.23811, -122.40505)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.5704	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Caldwell, ID Canyon Co. United States	E Ustick Rd. / Indiana Ave. (43.63363, -116.67304)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.3055	Other (At-Grade) Single-Lane	2013	date: https://caldwellguardian.blogspot.com/2013/08/new-roundabout-at-ustick-and-indiana.html ICD estimated from Google Maps linework.
Green, OH Summit Co. United States	E Turkeyfoot Lake Rd. / Pickle Rd. (40.97410, -81.47402)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.9707	Other (At-Grade) Single-Lane	2018	https://www.whbc.com/city-opens-new-roundabout-has-plans-for-more/ ICD estimated from Google Maps linework.
Monroe, NC Union Co. United States	N Rocky River Rd. / Monroe Expressway WB Ramps (35.06481, -80.59359)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 37.1473	Freeway Ramps (Grade-Separated) Single-Lane	2018	Built as part of the Monroe Expressway (US 74 bypass) https://www.ncdot.gov/projects/monroe-expressway/Pages/default.aspx ICD estimated from Google Maps linework.
Monroe, NC Union Co. United States	N Rocky River Rd. / Monroe Expressway EB Ramps (35.06096, -80.59214)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.1043	Freeway Ramps (Grade-Separated) Single-Lane	2018	Built as part of the Monroe Expressway (US 74 bypass) https://www.ncdot.gov/projects/monroe-expressway/Pages/default.aspx ICD estimated from Google Maps linework.
Lake Charles, LA Calcasieu Par. United States	Nelson Rd. / Ham Reid Rd. (30.15396, -93.24926)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.8318	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Case 3 design? https://www.kplctv.com/story/35937047/more-roundabouts-coming-to-ham-reid-road/ ICD estimated from Google Maps linework.
Langley, BC Greater Vancouver Canada	232 St. / 72 Ave. / Trans Canada 1 WB On-ramp (49.13829, -122.58135)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.5059	Freeway Ramps (Grade-Separated) Single-Lane	2013	Roundabout was part of a project to build an overpass at a rail crossing. That project was completed in 2014, but the roundabout was in operation in 2013: https://www.portvancouver.com/wp-content/uploads/2015/03/232nd-st-construction-notice-december-2013.pdf ICD estimated from Google Maps linework.
Coves North, MO Platte Co. United States	NW Old Tiffany Springs Rd. / N Green Hills Rd. (39.26253, -94.63089)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.3863	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	Elliptical shape. https://www.linecreekloudmouth.com/blog/street-improvements/ ICD estimated from Google Maps linework.
Gladstone, MO Clay Co. United States	NE Antioch Rd. / NE Pleasant Valley Rd. (39.21369, -94.53468)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 34.2382	Other (At-Grade) Single-Lane	2018	https://www.linecreekloudmouth.com/blog/street-improvements/ ICD estimated from Google Maps linework.
Kansas City, MO Platte Co. United States	NW 72nd St. / NW Waukomis Dr. / N Green Hills Rd. (39.22505, -94.62750)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.2327	Other (At-Grade) Single-Lane	2012	Streetview car went through just after completion while two approaches were still blocked off. ICD estimated from Google Maps linework.
Riverside, MO Platte Co. United States	N Woodward Rd. / NW 52nd St. (39.18892, -94.63177)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.9531	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Cambridge, MD Dorchester Co. United States	MD 16 (Church Creek Rd.) / Woods Rd. (38.54624, -76.06411)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.3636	Other (At-Grade) Single-Lane	2017	https://www.myeasternshoremd.com/dorchester_star/news/roundabout-opens-at-route-and-woods-road/article_b39ae088-8f81-51a4-8dc8-94e149da66e8.html ICD estimated from Google Maps linework.
Baxter, MN Crow Wing Co. United States	Excelsior Rd. / (unlknown) (46.35451, -94.24743)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.7430	Other (At-Grade) Single-Lane	2018	date: not yet built in late 2017 according to https://www.brainerddispatch.com/news/4150918-baxter-city-council-2017-could-bring-excelsior-road-roundabout yet Streetview shows it complete in 2018. Fourth leg stubbed. ICD estimated from Google Maps linework.
Beverly, MA Essex Co. United States	Essex St. / Old Essex Rd. (42.57129, -70.85769)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.6273	Other (At-Grade) Single-Lane	2018	https://www.salemnews.com/news/local_news/essex-street-around-new-roundabout-to-be-closed-for-work/article_33d9323d-29f7-5067-a7e0-8ba022b4f125.html?psid=80AVI ICD estimated from Google Maps linework.
O'Fallon, IL St. Clair Co. United States	Cambridge Blvd. / St Francis Way / St Elizabeth's Blvd. (38.58493, -89.93023)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.6755	Other (At-Grade) Single-Lane	2016	Roundabout built by hospital. ICD estimated from Google Maps linework.
Tacoma, WA Pierce Co. United States	N Pearl St. / Five Mile Dr. / N Waterfront Dr. / Ferry Crossing Landing Rd / Park Ave. (47.30193, -122.51556)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 32.3966	Other (At-Grade) Single-Lane	2018	https://www.thenewstribune.com/news/local/article196233104.html ICD estimated from Google Maps linework.
Yakima, WA Yakima Co. United States	N Fair Ave. / E Lincoln Ave. / N 10th St. / Bravo Company Blvd. (46.60868, -120.49385)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.0238	Other (At-Grade) Single-Lane	2015	https://www.yakimawa.gov/media/news/fair-avenue-roundabout-opening-to-traffic/ ICD estimated from Google Maps linework.
Raymond, WA Pacific Co. United States	US 101 / Henkle St. (SR 6) (46.68234, -123.73051)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.0389	Other (At-Grade) Single-Lane	2018	http://www.wsdot.wa.gov/Projects/US101/SR6IntersectionAndDrainage/default.htm ICD estimated from Google Maps linework.
Taos, NM Taos Co. United States	NM 585 (Paseo del Cañon) / Camino des Colores (36.37670, -105.57657)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 44.2334	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	https://www.santafenewmexican.com/news/local_news/traffic-rotaries-confuse-taos-drivers/article_801498db-aff0-5c1c-bc7c-2802b696425a.html ICD estimated from Google Maps linework.
Taos, NM Taos Co. United States	NM 585 (Paseo del Cañon) / Weimer Rd. (36.37696, -105.58156)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 42.3101	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	https://www.santafenewmexican.com/news/local_news/traffic-rotaries-confuse-taos-drivers/article_801498db-aff0-5c1c-bc7c-2802b696425a.html ICD estimated from Google Maps linework.
Taos, NM Taos Co. United States	NM 585 (Paseo del Cañon) / Gusdorf Rd. (36.37843, -105.58705)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.6167	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	https://www.santafenewmexican.com/news/local_news/traffic-rotaries-confuse-taos-drivers/article_801498db-aff0-5c1c-bc7c-2802b696425a.html ICD estimated from Google Maps linework.
Tacoma, WA Pierce Co. United States	(unknown) / (unknown) (47.30214, -122.51434)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 27.5370	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Gautier, MS Jackson Co. United States	N Dolphin Dr. / William Payne Adams Blvd. / (unknown) (30.39643, -88.65932)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.1462	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	N Taft Hill Rd. / CR 70 / CR 19 (40.75500, -105.11504)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 37.0933	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Naples, FL Collier Co. United States	Central Ave. / 8th St. (26.14718, -81.79695)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.2979	Other (At-Grade) Single-Lane	2016	Elliptical shape. ICD estimated from Google Maps linework.
Naples, FL Collier Co. United States	Central Ave. / 10th St. (26.14752, -81.79419)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.8120	Other (At-Grade) Single-Lane	2016	Elliptical shape. ICD estimated from Google Maps linework.
Marysville, WA Snohomish Co. United States	Marine Dr. NE / 64th St. NE / 31st Ave. NE (48.05407, -122.18921)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.7229	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Date from Streetview ICD estimated from Google Maps linework.
Lehigh Acres, FL Lee Co. United States	Sunshine Blvd. S / 23rd St. SW (26.59205, -81.67879)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.4957	Other (At-Grade) Single-Lane	2009	Date: http://lehighacrescitizen.com/page/content.detail/id/506096/Mann-likes-Lehigh-s-new--roundabout--at-Sunshine-and-23rd-St-.html?nav=5100 ICD estimated from Google Maps linework.
Hveragerðisbær, Suðurland Iceland	Rte 1 / Rte 38 / Rte 376 (63.99524, -21.19289)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.2263	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Rte 1 / Rte 36 (64.17599, -21.67705)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 49.4247	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Rte 1 / Helgafellsvegur (64.16799, -21.68386)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 50.4797	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Rte 1 / Reykjavegur (64.16546, -21.69327)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 51.5253	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Reykjavegur / Jonsteigur (64.16361, -21.68868)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.3525	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Þverholt / Haholt (64.16655, -21.69572)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.7058	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Rte 1 / Langitangi (64.16486, -21.70640)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.9240	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Rte 1 / Baugshilo / Skarholabraut (64.15877, -21.72472)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 52.0583	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Rte 1 / Korpuifsstadavegur (64.15355, -21.73750)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 52.0680	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Rte 1 / Blikastadavegur (64.13897, -21.75835)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 49.4906	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Vikurvegur / Rte 1 Ramps (64.13426, -21.76538)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 42.7255	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Lambhagavegur / Blikastaðavegur (64.13884, -21.75433)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.6945	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Mímisbrunnur / Ulfarsbraut (64.13442, -21.74713)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 22.4047	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Mimisbrunnur / Gefjunabrunnur (64.13518, -21.74463)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 22.9251	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Grafarholtsbegur / Vinlandsleið (64.12549, -21.77549)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 51.0783	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Storhofoi / Grafarnoltsvegur (64.12770, -21.77774)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 32.3123	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Srothofoi / Rte 49 Offramp (64.12625, -21.78314)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 35.9623	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.