Roundabouts Database Index

28913 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
Nan'gang District, Heilongjiang Harbin China	Wenming St. / Wenchang St. / Wenfu St. (45.74389, 126.65536)	Signalized Roundabout/Circle Existing	Signal Unknown	5 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Songbei District, Heilongjiang Harbin China	Shimao Blvd. / Songbeiyi Rd. / G202 Ramps (45.80664, 126.55306)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Barrhead, Scotland East Renfrewshire United Kingdom	A736 (Main St. - Kelburn St.) / B771 (Cross Arthurlie St.) (55.79870, -4.39760)	Signalized Roundabout/Circle Existing	Signal None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Samara, Samara Samara Russia	Moskovskoye shosse / ulitsa Gagarina / ulitsa Lunacharskogo (53.20367, 50.15956)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Kursk, Kursk Kursk Russia	ulitsa Karla Marksa / ulitsa Radishcheva / ulitsa Dimitrova (51.75189, 36.19066)	Signalized Roundabout/Circle Existing	Signal Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Deeside Industrial Park, Wales Flintshire United Kingdom	A548 (Shotwick Rd.) / Parkway (53.23316, -3.00375)	Signalized Roundabout/Circle Existing	Signal None	3 Approaches 2 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Canley, England Coventry United Kingdom	A45 (Fletchamstead Hwy.) / Sir Henry Parkes Rd. (52.39284, -1.55149)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Binley Woods, England Warks United Kingdom	A46 (Coventry Eastern Bypass) / A428 (Rugby Rd. - Brandon Rd.) (52.39596, -1.43154)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Coventry, England Coventry United Kingdom	A45 (Dunchurch Hwy.) / Broad Ln. (52.40705, -1.55911)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
South Queensferry, Scotland Edinburgh City United Kingdom	A904 (Forth Valley - Builyeon Rd.) / M90 Ramps (55.98490, -3.42210)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		Racetrack shaped.
Carlisle, England Cumbria United Kingdom	A689 / Parkhouse Rd. / (parking) (54.92890, -2.95100)	Signalized Roundabout/Circle Existing	Signal None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)		One signalized entry; rest are give way.
Carlisle, England Cumbria United Kingdom	Greymoorhill Roundabout [A7 (Kingstown Rd.) / A689 / M6 Ramps] (54.93052, -2.94628)	Signalized Roundabout/Circle Existing	Signal None	6 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Nottingham, England Nottingham City United Kingdom	A609 (Wollaton Rd.) / A6514 (Middleton Blvd. - Western) / Radford Bridge Rd. (52.95516, -1.19221)	Signalized Roundabout/Circle Existing	Signal None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Beeston, England Nottingham City United Kingdom	Priory Roundabout [A52 (Derby Rd.) / B6464 (Woodside Rd.) / Wollaton Vale] (52.93897, -1.21653)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Nottingham, England Nottingham City United Kingdom	A610 (Nuthall Rd.) / Cinderhill Rd. / Bells Ln. (52.98681, -1.20316)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)		Signal on one approach
Little Eaton, England Derbyshire United Kingdom	Little Eaton Island [A38 / A81 / B6179 (Alfreton Rd.) / Ford Ln.] (52.95612, -1.45957)	Signalized Roundabout/Circle Existing	Signal None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
City Centre, England Derby City United Kingdom	A516 (Uttoxeter New Rd.) / A601 (Stafford St. - Mercian Way) / Curzon St. (52.92145, -1.48585)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Djibouti, Djibouti Djibouti	N1 / N2 (11.58850, 43.14514)	Signalized Roundabout/Circle Existing	Signal Unknown	5 Approaches 0 Driveways	Other (At-Grade) Unknown
Finale Emilia, Emilia-Romagna Modena Italy	SS468 / Via per Modena Ovest / Via Albert Einstein (44.84898, 11.20889)	Signalized Roundabout/Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.0000	Other (At-Grade) Single-Lane
Karabaglar, İzmir Turkey	Eskiizmir Caddesi / Dostluk Bulvar / Erdal Yaklav Caddesi (38.38006, 27.11277)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Konak, İzmir Turkey	Mithatpaşa Caddesi / Inonu Caddesi / Mehmetcik Bulvari (38.39728, 27.07013)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Balçova, İzmir Turkey	(D-300 Frontage Road) / Ata Caddesi (38.39515, 27.05791)	Signalized Roundabout/Circle Existing	Signal Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Bornova, İzmir Turkey	Ankara Caddesi / İstanbul Caddesi Ramps / Genclik Caddesi (38.46201, 27.22668)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Unknown
Bayrakli, İzmir Turkey	Alija İzetbegoviç Caddesi / Yuzbasi Ibrahim Hakki Caddesi / Yavuz Caddesi / Nur Sultan Nazarbeyev Caddesi (38.46419, 27.18732)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Bayrakli, İzmir Turkey	Nur Sultan Hazarbeyev / Manas Bulvari / 1912. Sokak (38.46199, 27.17131)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
West 26 Industrial Estate, England Kirklees United Kingdom	A58 (Whitehall Rd.) / A638 (Bradford Rd.) / Bradford Rd. / M62 Ramps / M606 Ramps (53.73684, -1.72640)	Signalized Roundabout/Circle Existing	Signal None	7 Approaches 0 Driveways 325.0000	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)		Racetrack shaped. ICD = 325 m x 275 m.
Halifax, England Calderdale United Kingdom	Orange Street Roundabout [A58 (Burdock Way) / A629 (Ovenden Rd. - Orange St.)] (53.72609, -1.86254)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Kecioren, Ankara Turkey	Fahrettin Altay Caddesi / Fatih Caddesi Ramps (39.96537, 32.86315)	Signalized Roundabout/Circle Unknown	Signal Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Unknown
Cankaya, Ankara Turkey	Turkocagi Caddesi / Ismet Inonu Bulvari Ramps (39.91583, 32.82883)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Etimesgut, Ankara Turkey	Ertugrulbey Caddesi / Kuvayi Milliye Caddesi / 2. Meşrutiyet Caddesi (39.97794, 32.63410)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Etimesgut, Ankara Turkey	Orhanbey Caddesi / Ertgrulbey Caddesi / Erzurum Kongressi Caddesi (39.97727, 32.64030)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Etimesgut, Ankara Turkey	Ertugrulbey Caddesi / 1. Mesrutiyet Caddei / 271. Sokak 3/B (39.97783, 32.62712)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Etimesgut, Ankara Turkey	Amasya Beyannamesi Caddesi / Dil Devrimi Caddesi (39.97627, 32.61700)	Signalized Roundabout/Circle Existing	Signal Unknown	5 Approaches 0 Driveways	Other (At-Grade) Unknown
Etimesgut, Ankara Turkey	Üç Şehitler Caddesi / Amasya Beyannamesi Caddesi (39.98607, 32.62322)	Signalized Roundabout/Circle Existing	Signal Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Etimesgut, Ankara Turkey	1. TBMM Caddesi / Kocatepe Caddesi (39.99237, 32.62753)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Etimesgut, Ankara Turkey	1. TBMM Caddesi / Sakarya Zaferi Caddesi (39.99275, 32.62233)	Signalized Roundabout/Circle Existing	Signal Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Etimesgut, Ankara Turkey	1. TBMM Caddesi / Üç Şehitler Caddesi (39.99117, 32.61703)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Etimesgut, Ankara Turkey	Bozhöyük Caddesi / Tinaztepe Caddesi (39.99821, 32.63146)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Sincan, Ankara Turkey	Gazi Mustafa Kemal Bulvarı / Menderes Caddesi (39.98604, 32.59374)	Signalized Roundabout/Circle Existing	Signal Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Sincan, Ankara Turkey	Bağlantı Yolu / Gazi Mustafa Kemal Bulvari / Calkin Caddesi (39.98338, 32.58504)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Gaziemir, İzmir Turkey	Abdülhamit Yavuz Caddesi / Atatürk Bulvarı (38.31483, 27.13211)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Gaziemir, İzmir Turkey	Abdulhamit Yavuz Caddesi / 56. Sokak (38.31621, 27.13144)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Buca, İzmir Turkey	677/19. Sokak / Gazeteci Yazar Ismail Sivri (38.34901, 27.14125)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Konak, İzmir Turkey	Şair Eşref Bulvarı / Şehit Nevres Bulvarı (38.42793, 27.14127)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Karabaglar, İzmir Turkey	Inonu Caddesi / 52/18 Sokak (38.39312, 27.08751)	Signalized Roundabout/Circle Existing	Signal Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Narlıdere, İzmir Turkey	Mithatpaşa Caddesi / Ahmet Taner Kişali Caddesi (38.39613, 26.99712)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Egg Harbor, NJ Atlantic Co. United States	Tilton Road Circle (39.43177, -74.57915)	Signalized Roundabout/Circle Existing	Signal Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)		Hamburger shaped.
Brooklyn, NY Kings Co. United States	Machate Circle (40.65110, -73.97220)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (3+ Lane)		Pedestrian access to central island.
Brooklyn, NY Kings Co. United States	Bartel Pritchard Square (40.66101, -73.97988)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)		Pedestrian access to central island.
Kyiv, Kyiv City Kyiv Ukraine	prospekt Lesia Kurbasa / vulytsia Hnata Yury (50.42935, 30.38514)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Lima, Lima Province of Lima Peru	Plaza dos de Mayo (-12.04641, -77.04281)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Lima, Lima Province of Lima Peru	Avenida Universitaria / Vía Expresa Línea Amarilla (-12.03577, -77.07769)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Bradford, England Bradford United Kingdom	Jacob's Well [A6181 (Prince's Way - Hall Ings) / A641 (Manchester Rd.)] (53.79089, -1.75430)	Signalized Roundabout/Circle Existing	Signal None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Stockton-on-Tees, England Stockton-on-Tees United Kingdom	Portrack Interchange [A1046 (Haverton Hill Rd.) / A1032 (Tees Bridge Approach Rd.)] (54.57864, -1.27457)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Livingston, Scotland West Lothian United Kingdom	Charlesfield Rd. / Almondvale Rd. / Alderstone Rd. / (shopping centre entrance) (55.87809, -3.52820)	Signalized Roundabout/Circle Existing	Signal None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Clydebank, Scotland West Dunbartonshire United Kingdom	Kilbowie Roundabout [A82 (Great Western Rd.) / A8014 (Kilbowie Rd.) / B14 (Duntocher Rd.)] (55.91852, -4.40561)	Signalized Roundabout/Circle Existing	Signal None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Centerville, UT Davis Co. United States	N 1250 W / W Legacy Crossing Blvd. (40.92015, -111.89691)	Signalized Roundabout/Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2013). West leg added 2014-2015.
Winchester Park, PA Philadelphia Co. United States	Holme Circle (40.05650, -75.02866)	Signalized Roundabout/Circle Existing	Signal Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)		Hamburger shaped.
Hamilton, Scotland South Lanarkshire United Kingdom	A723 / A72 / Keith St. (55.77612, -4.02959)	Signalized Roundabout/Circle Existing	Signal Pedestrian Signal (red-yellow-green to drivers)	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)		Pedestrian access to central island.
Baltimore, MD Baltimore City United States	Washington Pl. / Mount Vernon Pl. (39.29756, -76.61568)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Lisburn, N. Ireland Lisburn & Castlereagh United Kingdom	A3 (Saintfield Rd.) / A49 (Saintfield Rd.) / Largymore Link / M1 Ramps (54.50584, -6.02852)	Signalized Roundabout/Circle Existing	Signal None	5 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Buenos Aires, Buenos Aires Autonomous City Autonomous City of Buenos Aires Argentina	Avenida Del Libertador / Avenida Sarmiento (-34.57496, -58.41508)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
New York City, NY New York Co. United States	W 110th St. / Central Park West / Frederick Douglass Blvd. / West St. (40.80058, -73.95821)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (3+ Lane)
Cedar Road Corridor, OH Cuyahoga Co. United States	Warrensville Center Rd. / Fairmount Blvd. / University Blvd. / John Carroll Blvd. / N Park Blvd. (41.48648, -81.53627)	Signalized Roundabout/Circle Existing	Signal Unknown	8 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (3+ Lane)		Hamburger shaped.
Bailleston, Scotland Glasgow City United Kingdom	A8 / Rhindhouse Rd. / (connector to M8 interchange) (55.85259, -4.09783)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Easton, PA Northampton Co. United States	Centre Square: Northampton St. / N 3rd St. / S 3rd St. (40.69124, -75.20914)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian access to central island; parking along circulatory roadway. Converted to single-lane 2020-2022. Due to the park in the center that was required to be maintained, the signal control remains with pedestrians into the center. The signal control is now R-Y-G with a dedicated pedestrian phase instead of flashing yellow and flashing red with a pedestrian phase. There is still parking in the intersection area. https://www.wfmz.com/news/area/lehighvalley/a-look-at-eastons-centre-square-past-present-and-future/article_6bf44964-9104-11ec-89c1-a761ab933e39.html. https://scenicwilddelawareriver.com/entries/eastons-historic-centre-square-easton-pa/0e5928f5-9188-417c-b7b0-b3e745e16c80. https://www.easton-pa.com/welcome-easton-pa/news/easton-ring-road-and-centre-square-presentation-june-23-2021
Annemasse, Auvergne-Rhône-Alpes Haute-Savoie France	Avenue de Verdun / Avenue de Leman (46.18286, 6.24087)	Signalized Roundabout/Circle Existing	All-Way Yield Other	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Median-running bus-only lane on north leg can make left turn at roundabout using signal-controlled bus-only lane through central island.
Basingstoke, England Hants United Kingdom	A30 (Winchester Rd.) / A340 (Ringway West - Ringway South) (51.25513, -1.10357)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Basingstoke, England Hants United Kingdom	A339 / M3 Ramps (51.25793, -1.06507)	Signalized Roundabout/Circle Existing	Signal Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Cox Green, England Windsor And Maidenhead United Kingdom	Holyport Interchange: A404 (M) / A308 (M) / M4 Ramps (51.49903, -0.72393)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Chalvey, England Slough United Kingdom	A355 (Tums Ln.) / Church St. / Cippenham Ln. (51.50871, -0.61241)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)		Hamburger shaped.
Chalvey, England Slough United Kingdom	Tuns Lane Interchange: A355 (Tuns Ln.) / M4 (Slough-Maidenhead By-Pass) Ramps (51.50311, -0.61641)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Brands Hill, England Slough United Kingdom	Langley Roundabout: A4 (London Rd.) / M4 (Slough-Maidenhead By-Pass) Ramps (51.49179, -0.54292)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
West Drayton, England Greater London United Kingdom	A408 (Stockley Rd.) / Prologis Park (51.50251, -0.45118)	Signalized Roundabout/Circle Existing	Signal Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Cranford, England Greater London United Kingdom	A408 / M4 (Heathrow Airport Spur Rd. / M4 (Chiswick to Langley Special Road) Ramps (51.49580, -0.45344)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Clewer Green, England Windsor And Maidenhead United Kingdom	A332 (Royal Windsor Way) / B3024 (Clarence Rd.) / B3173 (Imperial Rd.) (51.47994, -0.62424)	Signalized Roundabout/Circle Existing	Signal Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Hoogkerk, Groningen Groningen Netherlands	Professor Uilkensweg / N355 Ramps (53.23584, 6.51986)	Signalized Roundabout/Circle Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane		Oval shaped.
Gainesville, FL Alachua Co. United States	SE 7th St. / SE 4th Ave. (29.64824, -82.31792)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 18.2880	Other (At-Grade) Single-Lane	1992	Pedestrian crossings within circulatory roadway. Completed April 1992.
Naples, FL Collier Co. United States	7th St. N. / 3rd Ave. N. (26.15530, -81.80524)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 9.6483	Other (At-Grade) Single-Lane	1998	Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Maps linework.
Naples, FL Collier Co. United States	7th St. N. / 7th Ave. N. (26.15619, -81.79971)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 22.5125	Other (At-Grade) Single-Lane	1998	Installed for traffic calming. Detailed traffic volume, speed data available. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Naples, FL Collier Co. United States	7th St. N. / 11th Ave. N. (26.15712, -81.79420)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 13.7160	Other (At-Grade) Single-Lane	1996	Installed for traffic calming. Painted splitter islands. Detailed traffic volume, speed data available. ICD estimated from Google Earth.
Naples, FL Collier Co. United States	7th St. N. / 12th Ave. N. (26.15734, -81.79282)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 13.7160	Other (At-Grade) Single-Lane	1996	Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Earth.
Stuart, FL Martin Co. United States	N. Colorado Ave. / E. Osceola St. (27.19860, -80.25300)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 32.9303	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Columbia, MD Howard Co. United States	Banneker Rd. / Cul-de-sac (39.21141, -76.87041)	Traffic Calming Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 17.5824	Other (At-Grade) Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NW 25th Ave. / NW Quimby St. (45.53328, -122.70277)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	3 Approaches 0 Driveways 15.8958	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. ICD estimated from Google Maps linework.
Tallahassee, FL Leon Co. United States	Sutor Road / Old Sutor Road (30.42957, -84.21212)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 16.4770	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NW 25th Ave. / NW Overton St. (45.53190, -122.70270)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 44.3420	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NW 25th Ave. / NW Marshall St. (45.53040, -122.70270)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 62.7498	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	E. Via Linda / E. San Pablo Dr. (33.56833, -111.89350)	Traffic Calming Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 49.7573	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	E. Via Linda / N. 87th St. (33.56715, -111.89500)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 69.6612	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	E. Via Linda / E. San Rafael Dr. (33.56711, -111.89565)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 18.2880	Other (At-Grade) Single-Lane		ICD estimated from Google Earth.
Arcata, CA Humboldt Co. United States	12th St. / I St. (40.87160, -124.08700)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 48.7687	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Arcata, CA Humboldt Co. United States	13th St. / J St. (40.87260, -124.08780)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 11.7404	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	E. Via Linda / N. 84th St. (33.56832, -111.89880)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 37.8156	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	E. Via Linda / N. 83rd Pl. (33.56770, -111.90100)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 63.6899	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	61st Ave. S / S Norfolk St. (47.51337, -122.25705)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2006
Seattle, WA King Co. United States	34th Ave. SW / SW Henderson St. (47.52286, -122.37530)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 42.7458	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Litchfield Park, AZ Maricopa Co. United States	W. Palmilla Blvd. / W. Alvarado Dr. (33.46978, -112.35190)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 23.9107	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Litchfield Park, AZ Maricopa Co. United States	Wigwam Creek Blvd. / N. Rattler Way (33.51643, -112.32870)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 16.9277	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Linden Ave. N / N. 42nd St. (47.65774, -122.34850)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 56.3115	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.