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
Cambridge, ON Waterloo Canada	Franklin Blvd. / Champlain Blvd. (43.34840, -80.28853)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.8199	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Year Completed estimated (2016-2018). ICD estimated from Google Maps linework.
Newcastle, England Staffs United Kingdom	A52 / A527 (Queen St.-Barracks Rd.)) / King St. / Ironmarket (53.01285, -2.22402)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 48.8615	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Newcastle, England Staffs United Kingdom	A527 (Barracks Rd.) / A34 (Lower St. / -London Rd.) / High St. / Brook Ln. (53.00881, -2.22470)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 64.6756	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Newcastle, England Staffs United Kingdom	A43 (Lower St.) / A53 (Blackfriars Rd.) / Friars St. (53.00942, -2.22773)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.8048	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Newcastle, England Staffs United Kingdom	A34 (Lower St.) / A525 (Pooldam) / Church St. (53.01081, -2.23024)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 50.3009	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Newcastle, England Staffs United Kingdom	Knutton Lane Roundabout [A34 (Lower St.) / A52 (Ryecroft) / B5367 (Knutton Ln.)] (53.01361, -2.23116)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 45.2679	Other (At-Grade) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Newcastle, England Staffs United Kingdom	Brook Ln. / Hatrell St. (53.00743, -2.22560)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.8711	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Plaza Pintor Sandro Botticelli (36.71987, -4.46005)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 64.1415	Other (At-Grade) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Plaza Rudyard Kipling (36.72008, -4.46433)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 58.3973	Other (At-Grade) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Plaza Willy Brandt (36.72029, -4.46859)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 55.5252	Other (At-Grade) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Glorieta Profesor Rodríguez Carrión (36.71742, -4.46752)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 85.2056	Other (At-Grade) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Avenida Gregorio Prieto / Calle Arturo Toscanini (36.71922, -4.46415)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.7630	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Avenida Gregorio Prieto / Bulevar Louis Pasteur (36.71796, -4.46387)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.9340	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Avenida Gregorio Prieto / Calle Franz Kafka (36.71670, -4.46361)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.9344	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Avenida de Gregorio Prieto / Calle Pirandello (36.71497, -4.46324)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.6793	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Avenida Gregorio Prieto / Calle Kandinsky (36.71426, -4.46309)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.6370	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Avenida Abogado de Oficio / Avenida Andalucia / Avenida de Blas Infante / A-357 Ramps (36.71255, -4.46290)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 89.9982	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Calle Mefistofeles / Calle Pierro (36.71165, -4.46282)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.6380	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Avenia del Dr. Manuel Dominguez / A-357 Frontage Roads (36.71289, -4.46648)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 90.9552	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Calle Jiminez Fraud / Calle Rosamunda / A-357 Frontage Roads (36.71354, -4.47311)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 49.7856	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Calle Jiménez Fraud / (hospital) (36.71723, -4.47620)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.5079	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Calle Demóstenes / Avenida Parmenides (36.71947, -4.47997)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 26.8055	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Calle Demóstenes / Calle Aristofanes (36.71888, -4.48219)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 16.2749	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Avenida de Jenofonte / Calle de Demostenes (36.71829, -4.48376)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 51.6972	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Avenida de Jenofonte / Avenida de Plutarco (36.71989, -4.48485)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 49.7815	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Avenida Dolores Rodríguez de Aragón / Calle Maria Barrientos (36.71890, -4.48750)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 34.4645	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Calle Navarro Ledesma / Calle Alicia Alonso (36.72251, -4.48685)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.2494	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
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.