Roundabouts Database

29411 Results

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City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType 		Year Completed Comments
Colorado Springs, CO
El Paso Co.
United States 		E. Cheyenne Mountain Blvd. / Springmeadow Dr.
(38.79132, -104.82750) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
81.9191 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Odivelas, Lisbon
Odivelas
Portugal 		N8 (Rua Major Caldas Xavier) / Rua Guilherme Gomes Fernandes / Avenida Professor Augusto Abreu Lopes
(38.79088, -9.17663) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Rocklin, CA
Placer Co.
United States 		Rocklin Rd. / Pacific St.
(38.79073, -121.23610) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2023 Yield-controlled right-turn bypass lanes on west and south legs; add-lane right-turn bypass lane on east leg. https://www.rocklin.ca.us/roundabout
Loomis, CA
Placer Co.
United States 		Campus Dr. / Sierra College Blvd. connector
(38.79049, -121.20638) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.9964 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Beech Ave. / 1st St.
(38.79048, -104.84660) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
42.8219 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Loomis, CA
Placer Co.
United States 		Rutherford Canyon Rd. / Montserrat Ln.
(38.78979, -121.18570) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.4440 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States 		Campus Pkwy. / Crimson Ridge Way
(38.78933, -121.32544) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2017-2018).
Roseville, CA
Placer Co.
United States 		Roseville Pkwy. / (unknown)
(38.78900, -121.32076) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2016-2018).
Rocklin, CA
Placer Co.
United States 		Rocklin Rd. / S Grove St.
(38.78884, -121.23168) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 Elliptical shaped. ICD = 150 ft x 125 ft.
Raymore, MO
Cass Co.
United States 		S Madison St. / (park access)
(38.78857, -94.45769) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2009-2010).
Rocklin, CA
Placer Co.
United States 		Rocklin Rd. / Meyers St.
(38.78852, -121.22915) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1684 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States 		Roseville Pkwy. / (parking)
(38.78819, -121.31549) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 Year Completed estimated (1998-2002). Built initial as single-lane roundabout. Converted to double lane east and west 2017-2018.
Mina de Água, Lisbon
Amadora
Portugal 		Rua Fernando Maia / Rua dos Campos / Rua António Freitas
(38.78813, -9.23418) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Loomis, CA
Placer Co.
United States 		Montserrat Ln. / Blackhawk Ct.
(38.78614, -121.18684) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2007
Parque das Nações, Lisbon
Lisboa
Portugal 		Avenida Dom João II / Alameda dos Oceanos / Via do Oriente / IC2 (Avenida Infante Dom Henrique) Ramps
(38.78581, -9.09981) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Madison, IN
Jefferson Co.
United States 		US 421 / SR 62 (E Clifty Dr.)
(38.78539, -85.37201) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.6869 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 https://www.facebook.com/INDOTSoutheast/posts/madison-indthe-indiana-department-of-transportation-is-building-crossovers-for-t/875938365828212/ ICD estimated from Google Maps linework.
Oxon Hill, MD
Prince George's Co.
United States 		Oxen Hill Rd. / Cedar Ridge Dr. / Panorama Dr.
(38.78452, -77.00597) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.4465 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Odivelas, Lisbon
Odivelas
Portugal 		Avenida Miguel Torga / Avenida Severiano Pedro Falcão / Rua Famões
(38.78435, -9.19175) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Warrensburg, MO
Johnson Co.
United States 		MO-13 Business / Hawthorne Blvd.
(38.78409, -93.73864) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.8257 		Other (At-Grade)
Single-Lane 		2019 http://www.dailystarjournal.com/news/local/warrensburg-roundabout-construction-completed/article_c2a33804-ca57-11e9-a264-2fd41be698da.html. Completed August 2019. ICD estimated from Google Maps linework.
Odivelas, Lisbon
Odivelas
Portugal 		Avennida Doutor Augusto Pais Martins / Avenida Miguel Torga
(38.78325, -9.19423) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Mount Vernon, VA
Fairfax Co.
United States 		Fort Willard Circle
(38.78275, -77.06601) 		Other
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Rose Hill, VA
Fairfax Co.
United States 		Park Terrace / Edgewood Dr.
(38.78241, -77.12587) 		Other
Existing 		Unknown
Unknown 		4 Approaches
4 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Oxon Hill, MD
Prince Georges Co.
United States 		National Harbor Blvd. / American Way
(38.78227, -77.01099) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.7236 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 ICD estimated from Google Maps linework.
Warrensburg, MO
Johnson Co.
United States 		Hawthorne Blvd. / Cooper Blvd.
(38.78203, -93.73226) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.9306 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Deerfield Hills, CO
El Paso Co.
United States 		Drennan Rd. / Monica Dr. W
(38.78171, -104.74739) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands; only diverging yellow lines.
Deerfield Hills, CO
El Paso Co.
United States 		Drennan Rd. / Springnite Dr.
(38.78171, -104.75088) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands; only diverging yellow lines.
Deerfield Hills, CO
El Paso Co.
United States 		Drennan Rd. / Post Oak Dr.
(38.78168, -104.74115) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands; only diverging yellow lines.
Parque das Nações, Lisbon
Lisboa
Portugal 		Rotunda das Oliveiras [Alameda dos Oceanos / Avenida da Peregrinação]
(38.78166, -9.09707) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Gainesville, VA
Prince William Co.
United States 		Turtle Point Dr. / Spyglass Hill Loop
(38.78095, -77.65189) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.6552 		Other (At-Grade)
Single-Lane 		2001 Functional Class: Local ICD estimated from Google Maps linework.
Moscavide, Lisbon
Loures
Portugal 		Rua Cidade de Goa / Rua Francisco Marques Beato / Avenida de Moscavide / Rua do Seminário
(38.78049, -9.10454) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Moscavide, Lisbon
Loures
Portugal 		Avenida de Moscavide / Avenida da Peregrinação / Rua Adão Manuel Ramos Barata
(38.78036, -9.10176) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Santa Clara, Lisbon
Lisboa
Portugal 		Avenida Nuno Krus Abecassis / Avenida Sérgio Vieira de Melo / Estrada de São Bartolomeu / Rua João Amaral
(38.78008, -9.15233) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Fort Washington, MD
Prince George's Co.
United States 		Oxon Hill Rd. / Kerby Hill Rd.
(38.77951, -77.00648) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.4490 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Peak Innovation Pkwy. / Integration Loop
(38.77922, -104.71029) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021 Yield-controlled right-turn bypass lanes on north and south legs. Add-lane right-turn bypass lanes on east and west legs. Year Completed estimated (2020-2021).
St Charles, MO
St. Charles Co.
United States 		Boones Lick Rd. / N Outer Rd. / St Charles Ave.
(38.77702, -90.50897) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2007
Hazelwood, MO
St. Louis Co.
United States 		Dunn Rd. / Sieloff Dr. / I-270 WB Entrance Ramp
(38.77626, -90.33959) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Single-Lane 		2023 Left-turn-only lane on east leg. Little deflection westbound.
Rio de Mouro, Lisbon
Sintra
Portugal 		N249 (Rua António Cardoso - Rua Elias Garcia) / Rua do Pino Verde / Rua António Cardoso
(38.77607, -9.33240) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Westpark, CA
Placer Co.
United States 		Mayhill Dr. / Ardley Dr.
(38.77507, -121.36969) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands.
Parque das Nações, Lisbon
Lisboa
Portugal 		Rotunda dos Vice-Reis [Alameda dos Oceanos / Avenida da Boa Esperança]
(38.77494, -9.09518) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Warrensburg, MO
Johnson Co.
United States 		SR 13 / US 50 WB Ramps
(38.77480, -93.68554) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.9690 		Freeway Ramps (Grade-Separated)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Ashland, MO
Boone Co.
United States 		MO-M (E Broadway) / US 63 SB Ramps
(38.77431, -92.25328) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Single-Lane 		2014 Year Completed estimated (2013-2015).
Ashland, MO
Boone Co.
United States 		MO-M (E Broadway) / MO-Y / US 63 NB Ramps
(38.77429, -92.25118) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Single-Lane 		2014 Year Completed estimated (2013-2015).
Ashland, MO
Boone Co.
United States 		E Rte Y (Broadway) / Industrial Dr.
(38.77420, -92.24893) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://hi-in.facebook.com/SaraForMissouri/photos/a.1410590502324879/3879420848775153
Manassas, VA
Manassas City
United States 		Sumner Lake Blvd. / Warfield St. / Stoddard Dr.
(38.77334, -77.48041) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Building in central island.
Lisbon, Lisbon
Lisboa
Portugal 		Rotunda dos Corvos [Eixo Central / Avenida Álvaro Cunhal]
(38.77269, -9.14915) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Mira-Sintra, Lisbon
Sintra
Portugal 		N250 (Avenida Fernão Mendes Pinto - / Avenida dos Bons Amigos) / Avenida Infante Dom Henrique / Rua Joaquim Guilherme da Costa Caldas
(38.77223, -9.29235) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Westpark, CA
Placer Co.
United States 		Mayhill Dr. / Parkham Dr.
(38.77222, -121.36546) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands.
Roseville, CA
Placer Co.
United States 		Galleria Cir. / Antelope Creek Dr.
(38.77210, -121.26705) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Year Completed estimated (2007-2008).
Westpark, CA
Placer Co.
United States 		Wharton Ln.
(38.77188, -121.37325) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Warrensburg, MO
Johnson Co.
United States 		SR 13 / US 50 EB Ramps
(38.77151, -93.68568) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.9709 		Freeway Ramps (Grade-Separated)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Spanish Lake, MO
St. Louis Co.
United States 		Dunn Rd. / I-270 WB Ramps
(38.77088, -90.22381) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.8160 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2020 Left-turn-only lane on east leg. Little deflection westbound.
Colorado Springs, CO
El Paso Co.
United States 		Bradley Rd. / SR 83 (S Academy Blvd.) NB Ramps / Cody Dr.
(38.77019, -104.75705) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Freeway Ramps (Grade-Separated)
Single-Lane 		2007 Year Completed estimated (2006-2007).
Gainesville, VA
Prince William Co.
United States 		Glenkirk Rd. (Rte 675) / Bearhurst Dr. / Sedge Wren Dr.
(38.77018, -77.61681) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.6599 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Olivais, Lisbon
Lisboa
Portugal 		Avenida de Berlim / Alameda das Comunidades Portuguesas / Rua C-Aeroporto da Portela
(38.76997, -9.12595) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
St Charles, MO
St. Charles Co.
United States 		Veterans Memorial Pkwy. / Fairgrounds Rd.
(38.76989, -90.50100) 		Roundabout
Unknown 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6717 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2017 Merging right-turn bypass lane on north leg.
O'Fallon, MO
St. Charles Co.
United States 		Connecting Rd. / Alta Mira Ct. / MO 364 WB Ramps
(38.76954, -90.74393) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Single-Lane 		2014
Olivais, Lisbon
Lisboa
Portugal 		Praça Baden Powell [venida de Berlim / Avenida Cidade de Luanda / Rua Contra-Almirante Armando Ferraz]
(38.76821, -9.10999) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Roseville, CA
Placer Co.
United States 		Reserve Dr. / Fountains Driveway
(38.76793, -121.27090) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.1106 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States 		Reserve Dr. / Diamond Oaks Rd.
(38.76679, -121.27120) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.7990 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Junction West, CA
Placer Co.
United States 		Camino Real Way / Camino Real Way
(38.76573, -121.35364) 		Other
Existing 		All-Way Stop
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Falagueira-Venda Nova, Lisbon
Amadora
Portugal 		Avenida Jorge Sampaio / Avenida Ruy Luís Gomes
(38.76414, -9.21255) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Lewes, DE
Sussex Co.
United States 		New Rd. / Lynn Rd.
(38.76363, -75.17073) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://www.capegazette.com/article/roundabouts-abound/228013
Gainesville, VA
Prince William Co.
United States 		Catbird Dr. / Yellow Hammer Dr.
(38.76306, -77.61385) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.5944 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
Bristow, VA
Prince William Co.
United States 		Tappen Mill Way / Hayes Station Way / Sorrel River Way
(38.76305, -77.55212) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9080 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2008).
Mina de Água, Lisbon
Amadora
Portugal 		Praça José Niza [Avenida General Humberto Delgado / Avenida Pedro Álvares Cabral]
(38.76263, -9.23983) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Parque das Nações, Lisbon
Lisboa
Portugal 		Praça Princípe Perfeito [Avenida de Ulisses / Avenida Dom João II]
(38.76170, -9.09832) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Parque das Nações, Lisbon
Lisboa
Portugal 		Alameda dos Oceanos / Avenida de Ulisses
(38.76160, -9.09625) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Roseville, CA
Placer Co.
United States 		Westhills Dr. / Morningstar Dr. / St. Basil Cir.
(38.76151, -121.35340) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.5951 		Other (At-Grade)
Single-Lane 		2001 Crosswalks adjacent to circle. ICD estimated from Google Maps linework.
O'Fallon, MO
St. Charles Co.
United States 		Springhurst Pkwy. / Spring Borough Dr.
(38.76123, -90.77537) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2007).
Roseville, CA
Placer Co.
United States 		Park Regency Dr. / Hiawatha Dr. / Sharifa Way / Bottlebrush Cir.
(38.76105, -121.34870) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.2518 		Other (At-Grade)
Single-Lane 		2001 Crosswalks adjacent to circle. ICD estimated from Google Maps linework.
Carnide, Lisbon
Lisboa
Portugal 		Avenida Mário Soares / Estrada da Correia / Estrada Militar
(38.76088, -9.19743) 		Signalized Roundabout/Circle
Existing 		Signal
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Queluz, Lisbon
Sintra
Portugal 		N117 (Estrada das Águas Livres - Avenida José Elias Garcia) / Rua Elias Garcia
(38.76047, -9.24986) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Milton, DE
Sussex Co.
United States 		Windstone Blvd. / Millstone Dr.
(38.75985, -75.23334) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
São Marcos, Lisbon
Sintra
Portugal 		Estrada de Paço de Arcos / Rua Marciano Tomaz da Costa / Rua do Alto do Cotão
(38.75850, -9.30697) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Lewes, DE
Sussex Co.
United States 		Kalmar St. / Pilotboat Dr. / Overfalls Dr. N
(38.75793, -75.13541) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island. No splitter islands on northeast, northwest, or southwest legs.
Falagueira-Venda Nova, Lisbon
Amadora
Portugal 		Praça São Silvestre [Estrada dos Salgados / Rua Manuel Ribeiro de Pavia]
(38.75755, -9.21864) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Roseville, CA
Placer Co.
United States 		Washington Blvd. / All America City Blvd. / Lincoln St.
(38.75716, -121.28871) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2024 Lincoln St. has been converted to one-way in the vicinity of the roundabout, going away from the roundabout, with a separate right-in/right-out connection to Washington Blvd. https://www.roseville.ca.us/government/departments/public_works/roadways_traffic/current_projects/roundabout_washington_allamericacity_lincoln
Lewes, DE
Sussex Co.
United States 		Red Tail Rd. / Peregrine Rd. / Kestrel Ct.
(38.75699, -75.13283) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on north, east, or south legs.
São Domingos de Benfica, Lisbon
Lisboa
Portugal 		Rua Tomás da Fonseca / Rua António Albino Machado
(38.75584, -9.16971) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Milton, DE
Sussex Co.
United States 		Beulah Blvd. / Lonny Ln.
(38.75529, -75.23646) 		Other
Existing 		Unknown
Unknown 		3 Approaches
19 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Lewes, DE
Sussex Co.
United States 		Cadbury Circle
(38.75500, -75.14035) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Parking along circulatory roadway.
Roseville, CA
Placer Co.
United States 		Park Regency Dr. / Castlebridge Dr. / Hillingdon St.
(38.75455, -121.34680) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.5983 		Other (At-Grade)
Single-Lane 		2001 Crosswalks adjacent to circle. ICD estimated from Google Maps linework.
Lewes, DE
Sussex Co.
United States 		Senators Dr. / Roth Dr.
(38.75454, -75.13536) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
O'Fallon, MO
St. Charles Co.
United States 		Paul Renaud Blvd. / Lake St Louis Blvd. / Curtis Ln.
(38.75382, -90.80034) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2017-2018).
Lewes, DE
Sussex Co.
United States 		N Village Main Blvd. / E Chesapeake St.
(38.75335, -75.17058) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island; parking along circulatory roadway.
São Domingos de Benfica, Lisbon
Lisboa
Portugal 		Rua António Albino Machado / Avenida Rui Nogueira Simões / Rua São Tomás de Aquino
(38.75251, -9.16758) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Maryland Heights, MO
St. Louis Co.
United States 		Casino Center Dr. / (casino parking)
(38.75175, -90.47969) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.1195 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1999 Yield on circulatory roadway. Year Completed estimated (1996-2002) ICD estimated from Google Maps linework.
Lewes, DE
Sussex Co.
United States 		Governors Blvd. / Stockley Blvd. / Ross Rd.
(38.75168, -75.14361) 		Unknown
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Porto Salvo, Lisbon
Oeiras
Portugal 		Estrada de Leião / Estrada de Paço de Arcos / Estrada de São Marcos / Estrada Octávio Pato
(38.75093, -9.30600) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane) 		Elliptical shaped.
Highland, IL
Madison Co.
United States 		US 40 / IL 160 / Poplar St.
(38.75010, -89.67197) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.9832 		Other (At-Grade)
Single-Lane 		2004 Roundabout operating nicely with no accidents reported during first six months of operation. Completed October 2004. Functional Class: Arterial ICD estimated from Google Maps linework.
O'Fallon, MO
St. Charles Co.
United States 		Preston Woods Pkwy. / Preston Woods Trl. / Flowering Ash Ln.
(38.74881, -90.79714) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2008-2009).
Roseville, CA
Placer Co.
United States 		Oak St. / Washington Blvd.
(38.74817, -121.28306) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 At City Hall with fire station. Year Completed estimated (2014-2015).
O'Fallon, MO
St. Charles Co.
United States 		Hwy DD / Dalriada Blvd.
(38.74631, -90.75882) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Single-Lane 		2022 Right-turn-only lanes on southwest and northeast legs. Appears to be convertible to 2x1. https://www.sccmo.org/DocumentCenter/View/18378/OF_HIGHWAY-DD
Lewes, DE
Sussex Co.
United States 		Beaver Dam Rd. / Plantation Rd. / Salt Marsh Rd.
(38.74622, -75.17584) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2024 https://www.wrde.com/news/roundabout-near-five-points-in-lewes-delays-opening-to-traffic/article_f4d5a7a8-f5e5-11ee-9c1c-47fda0d30d3e.html. Project map here: https://deldot.gov/public.ejs?command=PublicProjectPortalDocument&iDID=2008254&iProjectObjectID=54771
Lewes, DE
Sussex Co.
United States 		Bay Crossing Blvd. / Vessel Cove
(38.74610, -75.14170) 		Other
Existing 		Unknown
Unknown 		2 Approaches
6 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Warrenton, VA
Fauquier Co.
United States 		Vint Hill Pkwy. / Watson Ct. / Farm Station Rd.
(38.74607, -77.67465) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
41.9170 		Other (At-Grade)
Single-Lane 		2017 Fauquier County constructed a roundabout as part of the Vint Hill small area plan and new roadway alignments for Vint Hill Parkway/Watson and Weeks Roads. ICD estimated from Google Maps linework.
Linton Hall, VA
Prince William Co.
United States 		Tartan Hills Pkwy. / Native Rocks Dr. / Seagate Way
(38.74593, -77.58755) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1911 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Alcochete, Setúbal
Alcochete
Portugal 		Rua Cajus / Rua do Láparo / Rua Alecrins
(38.74521, -8.94779) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
O'Fallon, MO
St. Charles Co.
United States 		Phoenix Pkwy. / Redhawk Pkwy. / Red Hawk Pl.
(38.74510, -90.73630) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5341 		Other (At-Grade)
Single-Lane 		2001 Year Completed estimated (1996-2002). ICD estimated from Google Maps linework.
Alcochete, Setúbal
Alcochete
Portugal 		Praça Bartolomeu Dias [Avenida do Brasil / Rua 25 de Abril]
(38.74507, -8.97179) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane