28735 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
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).
Almendralejo, Estremadura
Badajoz
Spain
N-630 / Calle Ortega y Muñoz / Calle las Encinas
(38.67584, -6.39247)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
1 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
North Highlands, CA
Sacramento Co.
United States
Freedom Park Dr. / 34th St. / Dudley Blvd.
(38.67588, -121.38752)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2012
North Highlands, CA
Sacramento Co.
United States
Freedom Park Dr. / 32nd St.
(38.67592, -121.39216)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2012
Piedade, Setúbal
Almada
Portugal
Avenida Dom Nuno Álvares Pereira / Avenida Bento Gonçalves / Rua Direita / Rua Caetano Maria Batalha
(38.67617, -9.16488)
Roundabout
Existing
All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only)
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Pedestrian signals and signals for light rail crossing through central island.
Madison, CA
Yolo Co.
United States
SR 16 / CR 89
(38.68204, -121.96678)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
2019
Sacramento, CA
Sacramento Co.
United States
Northborough Dr. / Heritage Park Ln. / Rose Arbor Dr.
(38.68221, -121.51550)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
23.3081
Other (At-Grade)
Single-Lane
2002 ICD estimated from Google Maps linework.
Almendralejo, Estremadura
Badajoz
Spain
N-630 / Calle de Santa Marta
(38.68229, -6.39858)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Woodbridge, VA
Prince William Co.
United States
Greatbridge Rd. / Mays Quarter Rd.
(38.68304, -77.34802)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
44.7509
Other (At-Grade)
Single-Lane
1998 Year Completed estimated (1994-2002). ICD estimated from Google Maps linework.
Citrus Heights, CA
Sacramento Co.
United States
Stock Ranch Rd. / Woodside Dr. / Fountain Square Dr.
(38.68438, -121.29649)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.1000
Other (At-Grade)
Single-Lane
2004 Bike lanes striped within circulatory roadway. Year Completed estimated (2003-2004).
Woodbridge, VA
Prince William Co.
United States
Mays Quarter Rd. / Dorset Dr. / Weejun Loop
(38.68551, -77.34407)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.3589
Other (At-Grade)
Single-Lane
2014 ICD estimated from Google Maps linework.
Warrenton, VA
Fauquier Co.
United States
US 17 Business / Lord Fairfax Dr. / US 15-US 17-US 29 (Eastern Bypass) NB Ramps
(38.68557, -77.78602)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2020 http://www.virginiadot.org/projects/culpeper/warrentoninterchange.asp
Chesterfield, MO
St. Louis Co.
United States
River Valley Dr. / River Bend Dr.
(38.68602, -90.50327)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2003 Year Completed estimated (2002-2003).
Woodland, CA
Yolo Co.
United States
Palm Ave. / Keystone Ave.
(38.68635, -121.77050)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
41.0198
Other (At-Grade)
Single-Lane
Circular intersection in older neighborhood. ICD estimated from Google Maps linework.
Jardia, Setúbal
Montijo
Portugal
N5 / N11-2 / Rua do Operário
(38.68648, -8.94418)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Warrenton, VA
Fauquier Co.
United States
US 17 Business (James Madison Hwy.) / US 15-US 17-US 29 (Eastern Bypass) SB Ramps
(38.68752, -77.78767)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2020 http://www.virginiadot.org/projects/culpeper/warrentoninterchange.asp
St Louis, MO
St. Louis Co.
United States
Willow Village Pkwy. / Beckham Ridge Ct. / Willowbrooke Manors Ct. / Kennabrooke Ct.
(38.68853, -90.41193)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2014 One-stage unmarked pedestrian crossings.
Almendralejo, Estremadura
Badajoz
Spain
Avenida de A Rúa / Camino Corona / Poligono Pabellon
(38.68884, -6.41395)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Almendralejo, Estremadura
Badajoz
Spain
EX-300
(38.68926, -6.42754)
Roundabout
Existing
All-Way Yield
Unknown
2 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Federalsburg, MD
Caroline Co.
United States
MD 307 / MD 313 / MD 318
(38.68938, -75.78949)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.4247
Other (At-Grade)
Single-Lane
1999 Rural, installed for safety reasons Previously controlled by two-way stop ICD estimated from Google Maps linework.
Georgetown, DE
Sussex Co.
United States
The Circle (Georgetown Circle)
(38.69005, -75.38587)
Other
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
66.1876
Other (At-Grade)
Single-Lane
1791 New town built as county seat centered on circle instead of more traditional square. Pedestrian access to center island. Parking at buildings on the circle. No raised splitter islands. ICD estimated from Google Maps linework.
Almendralejo, Estremadura
Badajoz
Spain
EX-300 / EX-359
(38.69145, -6.43905)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
1 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Concentric circulatory roadway striping.
Almendralejo, Estremadura
Badajoz
Spain
Carretera San Serván / (unknown)
(38.69153, -6.40953)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Almendralejo, Estremadura
Badajoz
Spain
N-630 / Calle Gonzalo Hernandez / Calle Almendro
(38.69168, -6.40553)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
2 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Woodbridge, VA
Prince William Co.
United States
Greatbridge Rd. / Chanceford Dr.
(38.69295, -77.34576)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
28.8976
Other (At-Grade)
Single-Lane
2003 ICD estimated from Google Maps linework.
Afonsoeiro, Setúbal
Montijo
Portugal
Estrada Nacional 5 / Circular Externa / Rua Vasco da Gama
(38.69332, -8.95082)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Sacramento, CA
Sacramento Co.
United States
Airport Blvd. / Lindbergh Dr. / Aviation Dr.
(38.69345, -121.59025)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2011 South leg is exit only.
Almendralejo, Estremadura
Badajoz
Spain
Calle Jarabugo / Calle Sup 37ii
(38.69413, -6.43824)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Chesapeake Beach, MD
Calvert Co.
United States
Harrison Blvd. / Sansbury Dr.
(38.69561, -76.55797)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
24.3840
Other (At-Grade)
Single-Lane
1997 Year Completed estimated (1993-2004).
Almendralejo, Estremadura
Badajoz
Spain
Calle Sup 37ii
(38.69575, -6.43608)
Roundabout
Existing
All-Way Yield
Unknown
2 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Concentric circulatory roadway striping.
Accokeek, MD
Prince George's Co.
United States
St Mary's View Rd. / Lusby Ridge Rd.
(38.69721, -76.95157)
Other
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
27.4320
Other (At-Grade)
Single-Lane
No splitter island on south leg.
Lewes, DE
Sussex Co.
United States
Beaver Dam Rd. / Quiet Harbor Way
(38.69743, -75.21559)
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
Afonsoeiro, Setúbal
Montijo
Portugal
N4 (Circular Externa) / (Fórum Montijo shopping centre entrance)
(38.69761, -8.94484)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
São Domingos de Rana, Lisbon
Cascais
Portugal
Avenida dos Bombeiros Voluntários / Rua do Dia Mundial da Criança
(38.69795, -9.35301)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Warrenton, VA
Fauquier Co.
United States
E Shirley Ave. / Falmouth St.
(38.69843, -77.78795)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
13.0496
Other (At-Grade)
Single-lane w/ Traversable Central Island
2018 Constructed Fall 2018, mini-roundabout with one bypass lane ICD estimated from Google Maps linework.
Sedalia, MO
Pettis Co.
United States
Rte Y (W 16th St.) / Winchester Dr.
(38.69957, -93.27763)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2011 Year Completed estimated (2010-2012).
Brandywine, MD
Prince George's Co.
United States
MD 373 / Accokeek Rd. / MD 5 (Branch Ave.) SB On-Ramp
(38.70076, -76.87599)
Roundabout
Existing
All-Way Yield
None
2 Approaches
0 Driveways
39.6240
Freeway Ramps (Grade-Separated)
Single-Lane
2019 MD 5 (Branch Ave.) was converted to limited access. https://www.thebaynet.com/articles/0419/newtrafficshiftstartsinbrandywineareathursday.html.
Georgetown, DE
Sussex Co.
United States
Sand Hill Rd. / Clark Dr.
(38.70163, -75.36785)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2022 West leg is entrance to Cheer Community Center. East leg stubbed. https://www.wmdt.com/2022/08/georgetown-east-gateway-project-completed-ensuring-safer-roadways-for-locals/
Afonsoeiro, Setúbal
Montijo
Portugal
N4 (Circular Externa) / Avenida das Portas da Cidade
(38.70209, -8.94456)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Cascais, Lisbon
Cascais
Portugal
N9 (Avenida de Sintra) / Rua Henrique de Seixas
(38.70356, -9.41787)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Normandy, MO
St. Louis Co.
United States
Natural Bridge Rd. (SR 115) / Florissant Rd.
(38.70418, -90.29664)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
39.6240
Other (At-Grade)
Single-Lane
2015
Weldon Spring, MO
St. Charles Co.
United States
Technology Dr. / Meadows Pkwy. / Wolfrum Rd. / I-64 WB Exit Ramp
(38.70526, -90.67410)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
60.9600
Freeway Ramps (Grade-Separated)
Single-Lane
Oval shaped. ICD = 200 ft x 180 ft. Built initially as 2x2 roundabout in 2005-2006. Concentric circulatory roadway striping. Converted to single lane using by striping out inner circulatory roadway lane and left entry lane on southwest leg 2020-2021.
Jardia, Setúbal
Montijo
Portugal
N4 (Avenida Dom Manuel) / Rua das Forças Armadas / Rua Infante Dom Francisco
(38.70686, -8.92771)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Afonsoeiro, Setúbal
Montijo
Portugal
N4 (Circular Externa) / Avenida Garcia da Orta
(38.70694, -8.94501)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)