29410 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
Nelson Blvd. / Harr Ave.
(38.73903, -104.80268)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.1948
Other (At-Grade)
Single-Lane
2004 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.
Colorado Springs, CO
El Paso Co.
United States
Fontaine Blvd. / Lamprey Dr.
(38.74007, -104.62463)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Single-Lane
2018 Year Completed estimated (2017-2019).
Easton, MD
Talbot Co.
United States
Lakelands Dr. / Superior Cir.
(38.74048, -76.06518)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands on three legs.
O'Fallon, MO
St. Charles Co.
United States
Phoenix Pkwy. / Phoenix Dr. / Boardwalk Place Dr.
(38.74122, -90.73747)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5359
Other (At-Grade)
Single-Lane
2001 Year Completed estimated (1996-2002). ICD estimated from Google Maps linework.
Lewes, DE
Sussex Co.
United States
Deep Valley Blvd. / William Dorsey St.
(38.74128, -75.18701)
Other
Existing
Unknown
Unknown
2 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Linton Hall, VA
Prince William Co.
United States
Tartan Hills Pkwy (VA 3254) / Broadsword Dr. (VA 3256)
(38.74232, -77.58066)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.9462
Other (At-Grade)
Single-Lane
2003 ICD estimated from Google Maps linework.
Lewes, DE
Sussex Co.
United States
Graves Dr. / Ann Barr St. / Silo Blvd.
(38.74310, -75.18566)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Warrensburg, MO
Johnson Co.
United States
SR 13 / State Hwy DD
(38.74322, -93.68679)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.9872
Other (At-Grade)
Single-Lane
2011 Functional Class: Arterial ICD estimated from Google Maps linework.
Alcochete, Setúbal
Alcochete
Portugal
Avenida do Brasil / Avenida Dom João / N119
(38.74440, -8.96961)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Manassas, VA
Manassas City
United States
Grant Ave. / Byrd Dr. / Bartow St.
(38.74491, -77.47362)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-lane w/ Traversable Central Island
2024 Elliptical shaped. https://www.potomaclocal.com/2024/07/02/new-roundabout-opens-on-grant-avenue-as-part-of-road-diet/
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
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
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)
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.
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.
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
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
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
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
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).
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.
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.
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
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.
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)
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.
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
Senators Dr. / Roth Dr.
(38.75454, -75.13536)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
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
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.
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
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
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.
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
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)
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.
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)
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
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)
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)
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.
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
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.
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)
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)
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)
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).
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.
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
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)
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
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.
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.
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)
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
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.
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)
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.
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).
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.
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.
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
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
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.
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)
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)
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.
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
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
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).
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.
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)
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.
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
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.
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
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).
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.
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
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)
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)
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.
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)
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.
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.
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.
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.
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
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
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)
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
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)
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.
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.
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)
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
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)
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.