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
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.
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)
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.
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.
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.
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)
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)
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.
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.
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
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
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)
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)
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
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.
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. / Paulyn Dr.
(38.71532, -76.61335)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
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)
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).
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
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)
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)
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.
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).
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)
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
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.
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
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
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.
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
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.
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/
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.
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).
Security-Widefield, CO
El Paso Co.
United States
Fountain Mesa Rd. / Caballero Ave. / Fortman Ave.
(38.72330, -104.69956)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2022 Year Completed estimated (2021-2022). https://www.koaa.com/news/covering-colorado/new-roundabout-but-is-it-keeping-children-safe
Bridgeville, DE
Sussex Co.
United States
Heritage Shores Cir. / Champions Dr.
(38.72458, -75.60463)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
(unincorporated), MD
Prince Georges Co.
United States
Ft. Washington Rd. / Swan Creek Rd.
(38.72498, -77.00491)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.1576
Other (At-Grade)
Single-Lane
1997 Fourth leg added. Year Completed estimated (before 2001). ICD estimated from Google Maps linework.
Cirby Side, CA
Placer Co.
United States
Somer Ridge Dr. / (parking)
(38.72754, -121.28342)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Bristow, VA
Prince William Co.
United States
Iron Brigade Unit Ave. / Tenth Alabama Way
(38.72790, -77.54408)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.2008
Other (At-Grade)
Single-Lane
2006 Functional Class: Local ICD estimated from Google Maps linework.
Queijas, Lisbon
Oeiras
Portugal
N6-2 (Estrada da Amadora - Avenida de Portugal) / Rua da Mina Grande
(38.72830, -9.24809)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Alcabideche, Lisbon
Cascais
Portugal
Rotunda José Roquete [Avenida de Alcabideche / Rua de Cascais]
(38.72888, -9.41113)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Alcabideche, Lisbon
Cascais
Portugal
Rotunda das Palmeiras [Terceira Circular / Rota do Património da Humanidade / Avenida de Alcabideche]
(38.72895, -9.41449)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Brentsville, VA
Prince William Co.
United States
Twin Leaf Dr. / Spring Iris Dr.
(38.72948, -77.55567)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2020 Year Completed estimated (2019-2020).
Lewes, DE
Sussex Co.
United States
Grove Estate Rd.
(38.72983, -75.15914)
Other
Existing
Unknown
Unknown
2 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Alcabideche, Lisbon
Cascais
Portugal
N9 / A16 (Rota do Património da Humanidade) NB Ramps
(38.73119, -9.41452)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Jennings, MO
St. Louis Co.
United States
Wilson Bridge Dr. / Alexandria Place Dr.
(38.73354, -90.24449)
Other
Existing
Uncontrolled
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Cottleville, MO
St. Charles Co.
United States
Gutermuth Rd. / MO 364 EB Ramps
(38.73394, -90.66626)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2020 https://www.stltoday.com/suburban-journals/stcharles/portion-of-gutermuth-to-close-for-route-364-interchange-construction/article_392e1870-c917-5df1-82ab-d83cceca50b8.html
Linton Hall, VA
Prince William Co.
United States
Braemar Pkwy. (VA 3080) / Iona Sound Dr. (VA 3089)
(38.73510, -77.56889)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
46.5816
Other (At-Grade)
Single-Lane
1999 Year Completed estimated (1994-2002). ICD estimated from Google Maps linework.
Cottleville, MO
St. Charles Co.
United States
Gutermuth Rd. / MO 364 WB Ramps
(38.73583, -90.66567)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2020 https://www.stltoday.com/suburban-journals/stcharles/portion-of-gutermuth-to-close-for-route-364-interchange-construction/article_392e1870-c917-5df1-82ab-d83cceca50b8.html
Highland, IL
Madison Co.
United States
Iberg Rd. / Veterans Honor Pkwy. / Broadway / Saint Rose Rd.
(38.73643, -89.65281)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2019 https://www.bnd.com/news/local/community/highland-news-leader/article137270003.html
Friendship, MD
Anne Arundel Co.
United States
Solomons Island Rd. (MD 2) / Friendship Rd. (MD 261) / Sansbury Rd.
(38.73656, -76.59379)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.0594
Other (At-Grade)
Single-Lane
2008 ICD estimated from Google Maps linework.
Camino, CA
El Dorado Co.
United States
Pondorado Rd. / (US 50 underpass) / (future road)
(38.73683, -120.70547)
Roundabout
Existing
All-Way Yield
None
2 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2022 North leg passes under US 50. Future east leg not built. https://dot.ca.gov/caltrans-near-me/district-3/d3-projects/d3-us-50-camino-safety-4e620
Cottleville, MO
St. Charles Co.
United States
Gutermuth Rd. / (unknown)
(38.73697, -90.66532)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2020
Troy, IL
Madison Co.
United States
SR 162 / Lakeview Acres Rd.
(38.73777, -89.93511)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
37.2639
Other (At-Grade)
Single-Lane
2013 ICD estimated from Google Maps linework.
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)
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
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.
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).