Roundabouts Database Index

28965 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
Sjöbo, Skåne County Sjöbo kommun Sweden	Brytjärnsgatan / Rotgatan / Stockgatan (55.63607, 13.67733)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2002-2010).
Sjöbo, Skåne County Sjöbo kommun Sweden	Planteringsgatan / Västergatan (55.63439, 13.68484)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2012
Sittingbourne, England Kent United Kingdom	A249 / M2 Ramps (51.32738, 0.65967)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways 105.2283	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Sittersdorf, Carinthia Völkermarkt Austria	B82 (Seeberg Bundesstraße - Weinberg) / L117 (Weinberg) / (parking) (46.54719, 14.60324)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Sitka, AK Sitka Borough United States	Edgecumbe Dr. / Kimsham St. / Wachusetts St. (57.06209, -135.34781)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 16.8842	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Sitka, AK Sitka United States	Sawmill Creek Rd. / Halibut Point Rd. / Lake Street (57.05323, -135.33460)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.5287	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Sisters, OR Deschutes Co. United States	US 20 / W Barclay Dr. / W McKinney Butte Rd. (44.29574, -121.55960)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.7417	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Sister Lakes, MI Washtenaw Co. United States	N Bay Dr. / Timmins Dr. / Chapleau Dr. (42.26417, -83.79140)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on three legs.
Sisseton, SD Roberts Co. United States	SR 10 (W Hickory St. - 119th St.) / 8th Ave. W / BIA Hwy 700 (45.66001, -97.06128)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2020).
Sisseton, SD Roberts Co. United States	SD 10 / 8th Ave. E / Whipple Rd (458th Ave.) (45.66023, -97.04056)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	https://www.thepublicopinion.com/news/local_news/controversial-roundabout-in-sisseton-opens-without-incident/article_793e95d5-4a9c-5a6b-84fa-65f60cfaafe1.html.
Siren, Village of, WI Burnett Co. United States	STH 35 / STH 70 (45.81636, -92.36347)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.1060	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Sippy Downs, QLD Sunshine Coast Australia	University Way / Springhill Dr. / Scholars Dr. (-26.72266, 153.05817)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Sippy Downs, QLD Sunshine Coast Australia	Springhill Dr. / Bellflower Rd. (-26.72737, 153.05658)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Sioux Falls, SD Minnehaha Co. United States	69th St. / Southeastern Ave. (43.48928, -96.68768)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.7250	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Sioux Falls, SD Minnehaha Co. United States	Career Ave. / W Nobel St. (43.59985, -96.78073)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2008	Right-turn-only lane on north leg; added lane right-turn bypass lane on east leg. ICD estimated from Google Earth.
Sioux Falls, SD Lincoln Co. United States	Louise Ave. / 271st St. (43.46078, -96.76732)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 44.2118	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Sioux Falls, SD Minnehaha Co. United States	E 18th St. / S Highline Pl. / S Highline Ave. (43.53603, -96.65424)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2019	Right-turn-only lanes on all legs. Year Completed estimated (2018-2020).
Sioux Falls, SD Minnehaha Co. United States	N Granite Ln. / N Granite Ct. (43.60869, -96.76803)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.2440	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2015
Siófok, Somogy Siófoki járás Hungary	Vitorlás út / Baross híd / Horgony út (46.90582, 18.04534)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Siófok, Somogy Siófoki járás Hungary	SR 65 (Honvéd út) / Jegenye sor / Malom út (46.88503, 18.06719)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Siófok, Somogy Siófoki járás Hungary	SR 65 (Honvéd út) / Vak Bottyán út / Attila út / (parking) (46.89323, 18.05887)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Sint Odiliënberg, Limburg Roerdalen Netherlands	Schepersweg / A73 NB Ramps (51.16400, 5.96566)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane		Raindrop shaped.
Sinnamon Park, QLD Brisbane Australia	Sinnamon Rd. / Seventeen Mile Rocks Rd. / Goggs Rd. / M5 (Centenary Hwy.) SB Ramps (-27.53639, 152.94825)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Sinnamon Park, QLD Brisbane Australia	Dandenong Rd. / Glen Ross Rd. / M5 (Centenary Motorway) Ramps (-27.54743, 152.94157)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Sinn El Fil, Mount Lebanon Maten Lebanon	Dimitri El Hayek St. Ramps / Fouhad Chehab Ramps / George Matta St. (33.86909, 35.54260)	Unknown Existing	Unknown Unknown	5 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Unknown
Sinn El Fil, Mount Lebanon Maten Lebanon	Sinn El Fil Ave. / Dimitri El Hayek St. (33.87016, 35.53650)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Singleton, NSW Singleton Australia	John St. / Campbell St. / Dunolly Rd. (-32.56062, 151.17176)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Singleton, WA Rockingham Australia	Singleton Beach Rd. / Foreshore Dr. (-32.44429, 115.75108)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Singapore, Singapore	Nanyang Ave. / Nanyang Dr. (1.34964, 103.68502)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Singapore, Singapore	Nanyang Crescent / Pioneer Rd. North (1.34695, 103.68978)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Singapore, Singapore	Nanyang Dr. / Nanyang Walk (1.34889, 103.68199)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Singapore, Singapore	Marine Parade Rd. / Amber Rd. (1.30046, 103.90191)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Singapore, Singapore	Stadium Blvd. / Stadium Dr. / Stadium Walk (1.30408, 103.87785)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
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
Simrishamn, Skåne County Simrishamns kommun Sweden	Ehrnbergsvägen / Bruksgatan (55.54992, 14.34920)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane		Built on or before 2010.
Simrishamn, Skåne County Simrishamns kommun Sweden	Ehrnbergsvägen / Christian IV s väg / Gärsnäsvägen / Höga vägen (55.54451, 14.33662)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.9120	Other (At-Grade) Single-Lane		Built before 2010.
Simrishamn, Skåne County Simrishamns kommun Sweden	Christian IV s väg / Fabriksgatan (55.54680, 14.33540)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2012-2016).
Simrishamn, Skåne County Simrishamns kommun Sweden	Storgatan / Backgatan (55.55478, 14.33701)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island		Completed on or before 2011.
Simpsonville, SC Greenville Co. United States	Woodruff Rd. / Lee Vaughn Rd. (34.79040, -82.18007)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.2718	Other (At-Grade) Single-Lane	2017	Replaced all-way stop offset T-intersections. ICD estimated from Google Maps linework.
Simferopol, Crimea Simferopol' Ukraine	Radianska ploshcha (44.95217, 34.10252)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Simferopol, Crimea Simferopol' Ukraine	vulytsia Kozlova / prospekt Kirova / vulytsia Maiakovskoho (44.94427, 34.09428)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Simferopol, Crimea Simferopol' Ukraine	ploshcha Radianskoi Konstytutsii (44.94427, 34.12595)	Unknown Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Simferopol, Crimea Simferopol' Ukraine	ulitsa Dekabristov / ulitsa Bogdana Khmel'nitskogo (44.95812, 34.10655)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown		Parking along circulatory roadway.
Simferopol, Crimea Simferopol' Ukraine	vulytsia Kuibysheva / vulytsia Troleibusna / ulitsa Lermontova (44.96634, 34.11142)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Simferopol, Crimea Simferopol' Ukraine	prospekt Peremohy / E105 (Ob'yezdnaya doroga) Ramps (44.97490, 34.13661)	Unknown Existing	Unknown Unknown	6 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Simferopol, Crimea Simferopol' Ukraine	ploshcha Kuibysheva (44.95835, 34.10998)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Simferopol, Crimea Simferopol' Ukraine	Moskovskaya ploshcha (44.97329, 34.09729)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Silverknowes, Scotland Edinburgh City United Kingdom	Silverknowes Pkwy. / Silverknowes Rd. / Lauriston Farm Rd. (55.97199, -3.27246)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Silverdale, Auckland Auckland New Zealand	Millwater Pkwy. / Timberland Dr. / SH 1 SB On-Ramp (-36.60186, 174.66350)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Silverdale, Auckland Auckland New Zealand	Wainui Rd. / Ridgedale Rd. (-36.60894, 174.66566)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Silverdale, Auckland Auckland New Zealand	Manuel Rd. / Kingfisher Rd. / Croix Greens (-36.61078, 174.66824)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Silverdale, Auckland Auckland New Zealand	Wainui Rd. / Waterloo Rd. / Fermier Greens (-36.61473, 174.66724)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Silverdale, Auckland Auckland New Zealand	Small Rd. / Goldwater Dr. / Painton Rd. (-36.62517, 174.66808)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Silverdale, Auckland Auckland New Zealand	Dairy Flat Hwy. / SH 1 (Northern Motorway) NB Ramps (-36.62541, 174.66177)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		Raindrop shaped.
Silverdale, Auckland Auckland New Zealand	Hibiscus Coast Hwy. / SH 1 (Northern Motorway) SB Ramps (-36.62496, 174.66383)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Silverdale, Auckland Auckland New Zealand	Wainui Rd. / Silverdale St. (-36.61558, 174.67819)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Silverdale, Auckland Auckland New Zealand	Millwater Pkwy. / Silverdale St. (-36.61239, 174.67928)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Silverdale, Auckland Auckland New Zealand	Bankside Rd. / Manuel Rd. / Butler Stoney Crescent (-36.60463, 174.67380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Silverdale, Auckland Auckland New Zealand	Wainui Rd. / Manuel Rd. / Colin Chester Dr. (-36.61139, 174.66661)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Silverdale, Auckland Auckland New Zealand	Millwater Pkwy. / Arran Dr. (-36.59793, 174.67182)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Silverdale, WA Kitsap Co. United States	NW Anderson Hill Rd. / Frontier Pl. NW (47.65368, -122.70350)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 21.7218	Other (At-Grade) Single-Lane	2003	Opened September 2003. ICD estimated from Google Maps linework.
Silverdale, WA Kitsap Co. United States	Silverdale Way NW / Chico Way NW / NW Newberry Hill Rd. (47.63704, -122.70135)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 15.2906	Other (At-Grade) Single-Lane	2012	Open September 2012. ICD estimated from Google Maps linework.
Silver Springs, NV Lyon Co. United States	US 50 / USA Pkwy. / Opal Ave. (39.40014, -119.26883)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 64.0080	Other (At-Grade) Multilane (3+ Lane)	2017	Consecutive double-left turns.
Silver Springs, NV Lyon Co. United States	US 50 / Alt US 95 (39.41616, -119.22497)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://mynews4.com/news/local/new-us-5095a-traffic-roundabout-to-open-in-silver-springs-tomorrow
Silver Spring, MD Montgomery Co. United States	Woodmoor Dr. / Lexington Dr. (39.02215, -77.00818)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Silver Spring, MD Montgomery Co. United States	Ritchie Ave. / Oswego Ave. (38.98602, -77.00877)	Traffic Calming Circle Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Painted splitter islands.
Silver Spring, MD Montgomery Co. United States	Gist Ave. / Woodbury Dr. (38.98948, -77.02294)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Silver Bluff, FL Miami-Dade Co. United States	SW 23rd Ave. / SW 25th Terrace (25.74490, -80.23195)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.3360	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2013).
Silver Bluff, FL Miami-Dade Co. United States	SW 23rd Ave. / SW 24th Terrace (25.74648, -80.23203)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 21.3360	Other (At-Grade) Single-Lane	2010
Silver Bluff, FL Miami-Dade Co. United States	SW 19th Ave. / SW 24th St. (25.74755, -80.22593)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.8120	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2007).
Šilutė, Klaipėdos Šilutė District Municipality Lithuania	Road 141 (Klaipėdos gatvė - Šiaurinis aplinkkelis) / Klaipėdos gatvė (55.37461, 21.46918)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Šilutė, Klaipėdos Šilutė District Municipality Lithuania	Klaipėdos gatvė / Gluosnių gatvė (55.35166, 21.46209)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Šilutė, Klaipėdos Šilutė District Municipality Lithuania	Road 141 / Road 165 (Žemaičių Naumiesčio gatvė) (55.34498, 21.51188)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Silt, CO Garfield Co. United States	US 6 (Main St. / ) / 9th St. (39.54703, -107.65360)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.1028	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Silkeborg, Middle Jutland Silkeborg Denmark	Sekundærrute 195 (Skærskovhedevej) / Herningmotorvejen / Funder Dalgårdsvej (56.14664, 9.45466)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Silkeborg, Middle Jutland Silkeborg Denmark	Primærrute 46 (Nørreskov Bakke) / Nordre Højmarksvej / Østre Højmarksvej (56.19847, 9.59181)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Silkeborg, Middle Jutland Silkeborg Denmark	Nordre Højmarksvej / Sejling Hedevej / Kejlstrupvej (56.19849, 9.55834)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Silkeborg, Middle Jutland Silkeborg Denmark	Nordre Højmarksvej / Høje Kejlstrupvej / (parking) (56.19747, 9.54622)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Silkeborg, Middle Jutland Silkeborg Denmark	Primærrute 52 (Viborgvej) / Nordre Højmarksvej (56.19552, 9.52550)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Sigtuna, Stockholm County Sigtuna Sweden	Rte 263 / Uppsalavägen / Ragvaldsbovägen (59.62748, 17.72171)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.2520	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Sigtuna, Stockholm County Sigtuna Sweden	Uppsalavägen / Pilsbovägen (59.62605, 17.72196)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 27.1756	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Signature Lakes, FL Orange Co. United States	Cropping St. / Pasturelands Pl. / Pleach St. (28.46523, -81.60212)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2005
Siesta Key, FL Sarasota Co. United States	Higel Ave. / Ocean Blvd. (27.28803, -82.55901)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2023	https://www.youtube.com/watch?v=26h5Bkvci6o
Sierra Vista, AZ Cochise Co. United States	Smith Ave. / Winrow Ave. / Cushing St. (31.55504, -110.36013)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Single-Lane	1992	On base of Fort Huachuca. No truck apron. Very little speed control on east leg. Year Completed estimated (1985-1992).
Sierra Vista, AZ Cochise Co. United States	Derum St. / Rucker St. / Smith Ave. / Winrow Rd. (31.55118, -110.34837)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Single-Lane	2011	On base of Fort Huachuca. No truck apron.
Sierra Vista, AZ Cochise Co. United States	Rucker St. / Cooney St. / Jeffords St. (31.55599, -110.34628)	Other Existing	All-Way Stop None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2010	Stop line at each entry. Pedestrian crossings within circulatory roadway.
Sierra Vista, AZ Cochise Co. United States	Jeffords St. / Cushing St. (31.55698, -110.33997)	Other Existing	All-Way Stop None	4 Approaches 0 Driveways 37.7952	Other (At-Grade) Single-Lane	2010	Stop line at each entry. Pedestrian crossings within circulatory roadway.
Sierra Vista, AZ Cochise Co. United States	E Golden Acres Dr. / Canyon de Flores (31.50212, -110.25097)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ADOT truck turnaround. Year Completed estimated (2013-2015).
Siedlce, Mazowieckie Siedlce Poland	DK63 (Kazimierzowska - Bolesława Prusa) / Kazimierzowska (52.17016, 22.29191)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Siedlce, Mazowieckie Siedlce Poland	DK63 (Bolesława Prusa) / Księcia Józefa Poniatowskiego / Stanisława Konarskiego (52.17365, 22.28594)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Siedlce, Mazowieckie Siedlce Poland	DK63 (Bolesława Prusa - Władysława Jagiełły) / Czerwonego Krzyża / Władysława Broniewskiego (52.17630, 22.27988)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Sidney, NE Cheyenne Co. United States	Outfitter Way / Anna Dr. (41.11520, -102.96810)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2016	Elliptical shaped. ICD = 115 ft x 105 ft.
Sidney, BC Capital Canada	Ocean Ave. / Fifth St. (48.64439, -123.40030)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.0891	Other (At-Grade) Single-Lane	2013	http://www.sidney.ca/Assets/Administration/2014/January+2014+Town+Talk.pdf ICD estimated from Google Maps linework.
Sidney, MT Richland Co. United States	SR 16 (S Central Ave.) / SR 200 / SR 23 (47.68440, -104.17889)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018
Sidney, BC Capital Regional District Canada	Beacon Ave. / 1st St. (48.64890, -123.39530)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6171	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2004-2009). ICD estimated from Google Maps linework.
Sicamous, BC Columbia-Shuswap Canada	Hwy 97A / Main St. (50.83719, -118.97779)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 49.7805	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Siauliai, Siauliu Siauliai Lithuania	Dubijos gatve / Draugystes prospektas (55.92376, 23.31471)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Turbo roundabout.
Si Sunthon, Phuket Amphoe Thalang Thailand	Hwy 402 (Thanon Thep Krasattri) / Hwy 4025 (Thanon Si Sunthon) / Hwy 4027 (7.98101, 98.36392)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Pedestrian access to central island.
Si Ka Fu Ta Shi, Su Du Di Qu Iceland	Rte 1 / Rte 203 (63.79456, -18.03988)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.3361	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.