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
Woodbridge, VA Prince William Co. United States	Anchor Bend Circle (38.59517, -77.28977)	Other Existing	Unknown Unknown	2 Approaches 12 Driveways 0.0000	Other (At-Grade) Unknown
Southern Pacific/Richards, CA Sacramento Co. United States	(unknown) / (unknown) (38.59937, -121.49238)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 33.6024	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Southern Pacific/Richards, CA Sacramento Co. United States	N 7th St. / Vine St. (38.59962, -121.48959)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.0695	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Arrentela, Setúbal Seixal Portugal	Avenida Aureliano Mira Fernandes / Rua Rodrigo Sarmento de Beires (38.60038, -9.06367)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Saint-Charles, MD Charles Co. United States	Smugglers Notch Ct. / Jacksonhole Pl. (38.60188, -76.94805)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Dushanbe, Districts of Republican Subordination Tajikistan	(unknown) (38.60224, 68.77527)	Unknown Existing	Unknown Unknown	5 Approaches 0 Driveways	Other (At-Grade) Unknown
O'Fallon, IL St. Clair Co. United States	Porter Rd. / Simmons Rd. (38.60258, -89.93231)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.7342	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Huntingtown, MD Calvert Co. United States	Mairfield Ln. / Liberty Ln. / Fairwood Dr. (38.60411, -76.58464)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2014	Painted splitter islands added 2017.
Huntingtown, MD Calvert Co. United States	Lorins Dr. / Cambridge Dr. / Stephanies Ln. (38.60541, -76.61564)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands; pedestrian access to central island.
Saint Louis, MO St. Louis City United States	Center Cross Dr. / Main Dr. (38.60658, -90.25836)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Saint Charles, MD Charles Co. United States	Middletown Rd. / Billingsley Rd. (38.60721, -76.97561)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.3400	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	https://www.charlescountymd.gov/our-county/infrastructure/traffic-signal-projects/middletown-road-billingsley-road-roundabout
Potomac Heights, MD Charles Co. United States	Cedar Ln. / Glymont Rd. / Greenwood Pl. (38.60764, -77.14063)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Millsboro, DE Sussex Co. United States	Sterling Blvd. / Peninsula Esplanade (38.60821, -75.16426)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Healdsburg, CA Sonoma Co. United States	Healdsburg Ave. / Mill St. / Vine St. (38.60833, -122.87009)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 36.3981	Other (At-Grade) Single-Lane	2018	At-grade railroad crossing through central island. ICD estimated from Google Maps linework.
Huntingtown, MD Calvert Co. United States	Marley Run / Channel Ct. / Plainview Dr. (38.60911, -76.59709)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Fairview Heights, IL St. Clair Co. United States	Dunhill Dr. / Northshore Dr. (38.61012, -89.97116)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7309	Other (At-Grade) Single-Lane	2006	No splitter islands. ICD estimated from Google Maps linework.
Saint Charles, MD Charles Co. United States	Devongate St. / Malvern St. / Promenade Pl. (38.61057, -76.93790)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2009	Crosswalks adjacent to circulatory roadway. Year Completed estimated (2008-2009).
Natomas, CA Sacramento Co. United States	Orchard Ln. / W. River Dr. (38.61135, -121.53004)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2005
O'Fallon, IL St. Clair Co. United States	Milburn Estates Dr. / Portsmith Place Dr. (38.61138, -89.94514)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 55.9947	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
O'Fallon, IL St. Clair Co. United States	Simmons Rd. / Milburn School Rd. / Fairwood Hills Rd. (38.61146, -89.92906)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.7957	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Millsboro, DE Sussex Co. United States	Peninsula Esplanade / N Nicklaus Ave. / S Nicklaus Ave. (38.61209, -75.17355)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Folsom, CA Sacramento Co. United States	Prairie City Rd. / Scott Rd. (38.61225, -121.14817)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.facebook.com/CityofFolsom/videos/6294236023941862/
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	Milburn School Rd. / Old Collinsville Rd. (38.61444, -89.96636)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7290	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Pinhal Novo, Setúbal Palmela Portugal	N252 (Rua José Afonso - Avenida dos Ferroviários) / Rua José Afonso (38.61814, -8.91773)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
St. Louis, MO St. Louis City Co. United States	Gratiot St. / S 13th St. (38.62104, -90.20242)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 33.5923	Other (At-Grade) Single-Lane		No splitter islands. ICD estimated from Google Maps linework.
Paola, KS Miami Co. United States	K-68 / Old Kansas City Rd. / Hedge Ln. (38.62133, -94.85551)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 44.7895	Other (At-Grade) Single-Lane	2001	First roundabout on rural, high-speed facility in Kansas. Functional Class: Arterial ICD estimated from Google Maps linework.
Huntingtown, MD Calvert Co. United States	Barberry Dr. / Spears Rd. / Blueberry Ct. (38.62290, -76.59347)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian access to central island.
Long Neck, DE Sussex Co. United States	Shoreview Blvd. / (parking) (38.62526, -75.18077)	Other Existing	Unknown Unknown	2 Approaches 2 Driveways 0.0000	Other (At-Grade) Single-Lane
East St Louis, IL St. Clair Co. United States	N 18th St. / Baugh Ave. / I-64 WB Ramps (38.62540, -90.13455)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 28.9249	Freeway Ramps (Grade-Separated) Single-Lane	2010	ICD estimated from Google Maps linework.
Sacramento, CA Sacramento Co. United States	San Juan Rd. / Azevedo Dr. (38.62740, -121.50840)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.1250	Other (At-Grade) Single-Lane	2004	Constructed using asphalt curbs without reconstructing original curb/gutter/sidewalk. Tactile guide strips in crosswalks. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Saint Charles, MD Charles Co. United States	Ethridge Dr. / Nobility Ct. (38.62769, -76.96461)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter island on north and east legs.
St. Louis, MO St. Louis City Co. United States	Tower Grove Ave. / I-64 EB Off-Ramp (38.63045, -90.25538)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5879	Freeway Ramps (Grade-Separated) Single-Lane	2014	ICD estimated from Google Maps linework.
East St Louis, IL St. Clair Co. United States	N 9th St. / St Clair Ave. (38.63094, -90.14386)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.3196	Other (At-Grade) Single-Lane	2013	Right-turn bypass lane on east leg. ICD estimated from Google Maps linework.
Woodbridge, VA Prince William Co. United States	Potomac Branch Dr. / Oberlin Dr. / Barkham Dr. / Weeburn Way / Cadbury Way (38.63114, -77.28082)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Pinhal Novo, Setúbal Palmela Portugal	N252 (Rua Luís de Camões - Avenida dos Ferroviários) / Rua Guerra Junqueiro (38.63135, -8.91769)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Pinhal Novo, Setúbal Palmela Portugal	Praça da Indepedência / Rua El Rei Dom Sancho I / Rua António Sérgio (38.63156, -8.91099)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
East St Louis, IL St. Clair Co. United States	N 9th St. / Baugh Ave. / I-70 EB Onramp (38.63197, -90.14187)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5871	Freeway Ramps (Grade-Separated) Single-Lane	2012	ICD estimated from Google Maps linework.
Forest Park, MO St. Louis City Co. United States	Hampton Ave. / Concourse Dr. / Wells Dr. (38.63316, -90.28546)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7207	Other (At-Grade) Single-Lane	2009	Right-turn bypass lane merge in crosswalk area. ICD estimated from Google Maps linework.
St Louis, MO St. Louis City Co. United States	McKinley Dr. / Wells Dr. (38.63354, -90.28072)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.4467	Other (At-Grade) Single-Lane	2008	Converted from traffic circle in 2007-2008. Previous circle had on-street parking in circulatory roadway. ICD estimated from Google Maps linework.
Forest Park, MO St. Louis City Co. United States	Government Dr. / Wells Dr. (38.63437, -90.30113)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 44.7814	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Forest Park, MO St. Louis City Co. United States	Concourse Dr. / Washington Dr. (38.63495, -90.28480)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 23.3234	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
St Louis, MO St. Louis Co. United States	S Forty Rd. / I-64-US 40 EB Ramps (38.63496, -90.41724)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 48.5127	Freeway Ramps (Grade-Separated) Single-Lane	2009	Frontage road connection replaced direct connection to S Spoede Rd. ICD estimated from Google Maps linework.
Sacramento, CA Sacramento Co. United States	Fong Ranch Rd. / Bridgegate Dr. (38.63510, -121.49340)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2020).
Town and Country, MO St. Louis Co. United States	MO 141 SB Ramps / Woods Mill Rd. (38.63523, -90.51449)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 38.2503	Other (At-Grade) Single-Lane	2002	Previously controlled by one-way stop ICD estimated from Google Maps linework.
Waldorf, MD Charles Co. United States	Davis Rd. / (School entrance) (38.63609, -76.97873)	Roundabout Existing	All-Way Yield None	2 Approaches 1 Driveways 33.5852	Other (At-Grade) Single-Lane	2005	Functional Class: Local ICD estimated from Google Maps linework.
Folsom, CA Sacramento Co. United States	Grand Prairie Rd. / Rustic Ridge Dr. (38.63617, -121.09165)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2018-2019).
St Louis, MO St. Louis Co. United States	N Forty Dr. / I-64-US 40 WB Ramps (38.63631, -90.41822)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 50.3777	Freeway Ramps (Grade-Separated) Single-Lane	2009	Frontage road connection replaced direct connection to S Spoede Rd. ICD estimated from Google Maps linework.
Sacramento, CA Sacramento Co. United States	Promenade Cir. / (unknown) (38.63732, -121.49950)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.5175	Other (At-Grade) Single-Lane	2006	Inside commercial/office park. ICD estimated from Google Maps linework.
Caseyville, IL St. Clair Co. United States	George E Chance Pkwy. / Laurel Flats Dr. / (future roads) (38.63746, -90.00941)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2007-2008).
Lyndon, KS Osage Co. United States	US 75 / K-31 / K-268 (38.63773, -95.68464)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.1083	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Costa de Caparica, Setúbal Almada Portugal	N10-1 (Avenida de Dom Sebastião) / Rua Engenheiro Henrique Mendia (38.63925, -9.23049)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Corroios, Setúbal Seixal Portugal	N10 (Avenida 25 de Abril) / CM1013 / Av Arsenal do Alfeite (38.63997, -9.15016)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Folsom, CA Sacramento Co. United States	Grand Prairie Rd. / Rustic Ridge Dr. / Alder Creek Pkwy (38.64059, -121.09212)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2018-2019).
Woodland, CA Yolo Co. United States	Road 25A / Miekle Ave. (38.64078, -121.73624)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2020-2021).
Woodland, CA Yolo Co. United States	Road 25A / Parkland Ave. (38.64099, -121.74450)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2020
Saint Charles, MD Charles Co. United States	Radford St. / Montpelier Dr. (38.64135, -76.97106)	Other Existing	Unknown Unknown	3 Approaches 4 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian access to central island.
Caseyville, IL St. Clair Co. United States	George E Chance Pkwy. / Villa Valley / Donner Ridge (38.64193, -90.00523)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2007-2008).
Corroios, Setúbal Seixal Portugal	Rua do Rouxinol / Rua da Igreja / Avenida Baía Natural do Seixal Ramps (38.64207, -9.14887)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Saint Charles, MD Charles Co. United States	Lexington Dr. / Montpelier Dr. (38.64225, -76.96877)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Chesterfield, MO St. Louis Co. United States	Schoettler Valley Dr. / Highcroft Dr. (38.64415, -90.55331)	Other Removed	Unknown Unknown	4 Approaches 0 Driveways 17.7235	Other (At-Grade) Single-Lane	1999	Temporary roundabout installed in Fall 1999. Removed September 25, 2000 due to negative public opinion. Intersection returned to AWSC. Functional Class: Local ICD estimated from Google Maps linework.
Caseyville, IL St. Clair Co. United States	George E Chance Pkwy. / (future road) / (parking) (38.64435, -89.98704)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2007-2008).
Woodland, CA Yolo Co. United States	Miekle Ave. / Marston Dr. (38.64444, -121.73614)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.1860	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Caseyville, IL St. Clair Co. United States	George E Chance Pkwy. / Blackwood Ridge / Boreal Ridge (38.64452, -89.99106)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2007-2008).
Woodland, CA Yolo Co. United States	Parkland Ave. / Marston Dr. (38.64459, -121.74446)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.0515	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Woodland, CA Yolo Co. United States	Promenade Dr. / Somerset Cir. (38.64501, -121.73150)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7154	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Montemor-o-Novo, Évora Montemor-O-Novo Portugal	N4 (Rota Historica - Avenida Gago Coutinho) / N114 (Rota Historica) / Rua das Oficinas (38.64606, -8.20143)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Woodland, CA Yolo Co. United States	Campos Ave. / Mack Way / Shoemaker Ct. (38.64920, -121.73140)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1843	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Woodland, CA Yolo Co. United States	Hunt St. / Heritage Pkwy. (38.64945, -121.74580)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2020).
Montemor-o-Novo, Évora Montemor-O-Novo Portugal	N2-N4 (Avenida Gago Coutinho) / N114 (38.65008, -8.21972)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Woodland, CA Yolo Co. United States	Miekle Ave. / Galvin Way (38.65156, -121.73590)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.1162	Other (At-Grade) Single-Lane	2006	Previously controlled by new ICD estimated from Google Maps linework.
Sacramento, CA Sacramento Co. United States	Breezy Meadow Dr. / Terracina Dr. (38.65238, -121.50013)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2007).
Woodland, CA Yolo Co. United States	Campos Ave. / Ortiz Ave. (38.65290, -121.73120)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.7792	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Sacramento, CA Sacramento Co. United States	Blackrock Dr. / N Breezy Meadow Dr. (38.65328, -121.49509)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2016
Georgetown, DE Sussex Co. United States	Zoar Rd. / Bethesda Rd. / Speedway Rd. (38.65384, -75.36140)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.9711	Other (At-Grade) Single-Lane	2017	Replaced two closely spaced TWSC intersections. ICD estimated from Google Maps linework.
Woodbridge, VA Prince William Co. United States	Belmont Bay Dr. / Course View Way (38.65403, -77.23640)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1826	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Holts Summit, MO Callaway Co. United States	MO OO (E Simon Blvd.) / US 54 EB Ramps (38.65479, -92.11091)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	Raindrop shaped. https://www.modot.org/node/29043
Washington, IN Daviess Co. United States	2464 E National Hwy. / Industrial Park Dr. / Gateway Dr. (LTG Tony Jones Dr.) (38.65527, -87.13563)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2013-2016).
Woodland, CA Yolo Co. United States	Harry Lorenzo Ave. / Farmers Central Rd. (38.65541, -121.74725)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9128	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Sobreda, Setúbal Almada Portugal	Estrada de Vale Mourelos [Via 6 / Rua Bernardim Machado] (38.65558, -9.18847)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Woodbridge, VA Prince William Co. United States	Belmont Bay Dr. / Palisades St. (38.65612, -77.23753)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.4412	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	ICD estimated from Google Maps linework.
University City, MO St. Louis Co. United States	Delmar Blvd. / Trinity Ave. (38.65653, -90.31072)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7103	Other (At-Grade) Single-Lane	2015	Installed as temporary roundabout ~2013. Made permanent 2015. ICD estimated from Google Maps linework.
Millsboro, DE Sussex Co. United States	Thomas Jefferson Ave. / Martin Van Buren Dr. (38.65661, -75.23751)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Sacramento, CA Sacramento Co. United States	New Market Dr. / Town Center Dr. (38.65823, -121.52205)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.9120	Other (At-Grade) Single-Lane	2002	Bike lane around circulatory roadway. East leg added 2019-2020.
Woodland, CA Yolo Co. United States	Harry Lorenzo Ave. / Patriot Way (38.65914, -121.74722)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 13.9893	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Chesterfield, MO St. Louis Co. United States	Nooning Tree Dr. / Brightfield Manor Dr. (38.66192, -90.53998)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1996-2002).
Barreiro, Setúbal Barreiro Portugal	Via Rápida do Barreiro [Avenida das Nacionalizações / Avenida José Gomes Ferreira / Alameda Ary dos Santos] (38.66195, -9.05462)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Luray, VA Page Co. United States	W Main St. / Northcott Dr. (38.66285, -78.47863)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.virginiadot.org/projects/staunton/page_county_8211_route_211-340,_west_main_street,_northcott_drive_8211_roundabout_and_intersection_improvements.asp
Trafaria, Setúbal Almada Portugal	Avenida Torrado Da Silva / Estrada IC20 Acessos (38.66354, -9.19104)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Almendralejo, Estremadura Badajoz Spain	N-630 / EX-359 / E-803 SB On-Ramp (38.66395, -6.38084)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		Concentric circulatory roadway striping.
Chesterfield, MO St. Louis Co. United States	Faust Park / (parking) (38.66416, -90.54198)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Lavradio, Setúbal Barreiro Portugal	Avenida das Nacionalizações / Rua dos Resistentes Antifascistas / Rua Doutor Miguel Bombarda (38.66506, -9.05575)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Barreiro, Setúbal Barreiro Portugal	Avenida das Nacionalizações / Rua do Industrial Alfredo da Silva / Rua da Indústria (38.66715, -9.05662)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Woodland, CA Yolo Co. United States	Gum Ave. / Bourn Dr. (38.66820, -121.74710)	Roundabout Removed	All-Way Yield None	4 Approaches 0 Driveways 64.3428	Other (At-Grade) Single-Lane	2008	Built as temporary in 2002. Temporary removed in 2008 and converted to AWSC. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Trafaria, Setúbal Almada Portugal	Estrada EN377-1 / Caminho da Raposeira / Rua Primeiro de Maio (38.66967, -9.23341)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Almendralejo, Estremadura Badajoz Spain	N-630 (38.67082, -6.38770)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 2 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Concentric circulatory roadway striping.
Lavradio, Setúbal Barreiro Portugal	Avenida das Nacionalizações / Rua Dom José Cárcomo Lobo / Rua do Quinto Terceiro (38.67105, -9.05191)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Fountain, CO El Paso Co. United States	Santa Fe Ave. / S Charter Oak Ranch Rd. (38.67148, -104.71481)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2023	Painted splitter island on west leg. https://www.codot.gov/news/2023/may/mamsip-charter-oak-ranch-road-completed
Georgetown, DE Sussex Co. United States	S Bedford St. / Arrow Safety Rd. (38.67394, -75.37738)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	There's a short video of a truck going around this roundabout posted on Sept 1 at https://www.facebook.com/delawaredot/ This roundabout currently has three legs, but a fourth will be added some time in the future.
Chesterfield, MO St. Louis Co. United States	N Outer 40 Rd. / I-64 WB Exit Ramp (38.67582, -90.65115)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Freeway Ramps (Grade-Separated) Single-Lane	2010	Year Completed estimated (2009-2010).