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
Rehoboth Beach, DE
Sussex Co.
United States
Liverpool Ln. / Oxford Ct. / Limerick Dr. / Worcester Dr.
(38.72326, -75.09795)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Single-Lane
2006 Year Completed estimated (2005-2006).
St. Louis, MO
St. Louis Co.
United States
Halls Ferry / MO 367
(38.72251, -90.24017)
Rotary
Existing
All-Way Yield
None
6 Approaches
0 Driveways
86.6571
Other (At-Grade)
Multilane (2 Lane, unspecified)
three of the six approaches are multilane and have dual lanes of traffic merging into both lanes of the roundabout; roundabout is unstriped. Description as follows: Halls Ferry Circle is 3 lanes wide, 350 foot diameter, 35 miles per hour and has 5 major roadways entering (from http://www.ballwin.mo.us/minutes_062402.html) ICD estimated from Google Maps linework.
Dunkirk, MD
Calvert Co.
United States
Ward Rd. / (entrance to park)
(38.72220, -76.64529)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2021 https://southernmarylandchronicle.com/2021/07/02/section-of-ward-road-in-calvert-to-close-for-construction/
Rehoboth Beach, DE
Sussex Co.
United States
Warrington Rd. / Healthy Way
(38.72141, -75.14094)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2021 Year Completed estimated (2019-2021). https://deldot.gov/Programs/roundabouts/images/warrington.jpg.
Samouco, Setúbal
Alcochete
Portugal
M501 / Rua do Oceano / Rua da Quinta da Praia
(38.72128, -9.00093)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Praia da Vitória, Terceira Island

Portugal
Estrada da Circunvalação (Rte 1A) / Via Vitorino Nemesio
(38.71992, -27.06340)
Roundabout
Existing
All-Way Yield
None
4 Approaches
1 Driveways
44.7279
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
São Domingos de Rana, Lisbon
Cascais
Portugal
Rua dos Canteiros / Avenida Salgueiro Maia / Avenida Amália Rodrigues
(38.71855, -9.34707)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Owings, MD
Calvert Co.
United States
Good Shepherd Way / Megatha Ln.
(38.71846, -76.62480)
Other
Existing
Uncontrolled
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
O'Fallon, MO
St. Charles Co.
United States
Technology Dr. / Waterbury Falls Dr.
(38.71843, -90.69627)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2003 Year Completed estimated (2002-2003). Southwest leg added 2008-2009.
Briatico, Calabria
Vibo Valentia
Italy
SP6 / SP80
(38.71758, 16.04923)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Linda-a-Velha, Lisbon
Oeiras
Portugal
Avenida 25 de Abril de 1974 / Alameda António Sérgio / Rua Alexandre Herculano
(38.71706, -9.23763)
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
Technology Dr. / Progress Point Pkwy. / (parking)
(38.71685, -90.69499)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2003 Year Completed estimated (2002-2003).
Bridgeville, DE
Sussex Co.
United States
Heritage Shores Cir. / White Pelican Ct. / Will's Island Dr.
(38.71647, -75.60235)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Linda-a-Velha, Lisbon
Oeiras
Portugal
Alameda António Sérgio / Avenida Carolina Michaelis
(38.71625, -9.23698)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Afonsoeiro, Setúbal
Montijo
Portugal
Circular Externa / Rua das Naus
(38.71601, -8.95715)
Roundabout
Existing
All-Way Yield
None
2 Approaches
2 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Lisbon, Lisbon
Lisboa
Portugal
Rua de São Jorge / Avenida de Álvares Cabral / Rua João Anastácio Rosa
(38.71579, -9.15871)
Roundabout
Existing
All-Way Yield
None
2 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
3rd street is one way out of roundabout
Weldon Spring, MO
St. Charles Co.
United States
Weldon Spring Rd. / Technology Dr. / Siedentop Rd.
(38.71551, -90.68906)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2004 Painted splitter island on east leg. Year Completed estimated (2003-2004).
Cascais, Lisbon
Cascais
Portugal
Avenida Condes de Barcelona / A5 Ramps / Rua do Campo Santo
(38.71537, -9.38870)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
Owings, MD
Calvert Co.
United States
Cross Point Dr. / Paulyn Dr.
(38.71532, -76.61335)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Rehoboth Beach, DE
Sussex Co.
United States
Rehoboth Ave. / Grove St.
(38.71501, -75.09075)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.6163
Other (At-Grade)
Multilane (2 Lane, unspecified)
2003 Yield-controlled right-turn bypass lane on SB approach. Fishhook pavement markings. Heavy bicycle and pedestrian traffic. Extensive queuing with beach-related surges. Functional Class: Arterial ICD estimated from Google Maps linework.
Owings, MD
Calvert Co.
United States
Cross Point Dr. / Blue Sky Ct. / Bear Claw Ct.
(38.71468, -76.61554)
Other
Existing
Unknown
Unknown
3 Approaches
4 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Lewes, DE
Sussex Co.
United States
Cardiff Circle
(38.71458, -75.17947)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Linda-a-Velha, Lisbon
Oeiras
Portugal
Avenida Maximiano Lemos / Alameda Fernão Lopes / Rua Quinta das Romeiras / Rua Afonso Praça / A36 SB Ramp
(38.71369, -9.22492)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Afonsoeiro, Setúbal
Montijo
Portugal
Circular Externa / Rua Antero de Quental
(38.71345, -8.94616)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Bridgeville, DE
Sussex Co.
United States
Heritage Shore Dr. / (future roads)
(38.71236, -75.59344)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Bridgeville, DE
Sussex Co.
United States
Heritage Shore Dr.
(38.71171, -75.59194)
Other
Existing
Unknown
Unknown
2 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Mount Vernon, VA
Fairfax Co.
United States
Mount Vernon Memorial Hwy
(38.71132, -77.08612)
Other
Existing
Unknown
Unknown
2 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Parking along circulatory roadway.
Praia da Vitória, Terceira Island

Portugal
Estrada da Circunvalação (Rte 2A) / Caminho dos Poços
(38.71093, -27.06084)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
51.2571
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Caxias, Lisbon
Oeiras
Portugal
Avenida das Seleções / Estrada Militar / A9 SB Ramps
(38.71045, -9.26562)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Caxias, Lisbon
Oeiras
Portugal
Rua Calvet de Magalhães / Avenida António Sena da Silva / Rua do Penedo
(38.71033, -9.28560)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Linda-a-Velha, Lisbon
Oeiras
Portugal
Avenida dos Bombeiros Voluntários de Algés / Alameda Engenheiro José Mattos e Silva / A36 NB Ramp
(38.70931, -9.22470)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Oval shaped.
Rehoboth Beach, DE
Sussex Co.
United States
Wanoma Cir. / Coatue Blvd.
(38.70922, -75.12642)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Rehoboth Beach, DE
Sussex Co.
United States
Coatue Blvd. / Wauwinet Ct. / Sconset Ct.
(38.70921, -75.13040)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Alcochete, Setúbal
Alcochete
Portugal
N4 / N118
(38.70905, -8.89566)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Warrensburg, MO
Johnson Co.
United States
SR 13 / Old SR 13 / SE 101st Rd.
(38.70853, -93.73029)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
41.0071
Other (At-Grade)
Single-Lane
2011 Functional Class: Arterial ICD estimated from Google Maps linework.
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)
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)
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.
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
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)
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)
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/
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.
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).
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.
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
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)
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
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.
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.
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 Jarabugo / Calle Sup 37ii
(38.69413, -6.43824)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
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.
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)
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.
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)
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
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.
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.
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.
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)
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
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.
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
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)
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.
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).
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
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.
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
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.
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)
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.
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
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.
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
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
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)
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).
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.
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
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
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.
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
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.
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)
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)
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
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.
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)
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
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)
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).
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.
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.
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.
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.
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.
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)
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.