Roundabouts Database Index

27152 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
Shkodër, Shkodër Shkodër Albania	Sheshi Demokracia [E762 (Bulevardi Skënderbeu - Rruga Qemal Draçini) / Bulevardi Bujar Bishanaku / Rruga Studenti] (42.06815, 19.51211)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Shlomi, Northern District Israel	Hahorsha St. / (unknown) (33.07855, 35.14600)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Shlomi, Northern District Israel	Yasmin St. / Rakefet St. (33.07958, 35.15551)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Shoal Point, QLD Dawson Australia	Shoal Point Rd. / Beachway Blvd. / Seychelles Rd. (-21.01137, 149.15139)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Shore Acres, FL Pinellas Co. United States	Arrowhead Dr. NE (27.82276, -82.60069)	Other Existing	Unknown Unknown	3 Approaches 10 Driveways 0.0000	Other (At-Grade) Unknown
Shoreline, WA King Co. United States	NE 185 St. / 10th Ave. NE (47.76316, -122.31888)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2020	https://www.shorelineareanews.com/2020/04/roundabout-completed-at-10th-ne-and-ne.html
Shoreview, MN Ramsey Co. United States	Rice St. / I-694 Ramps (45.04572, -93.10631)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.2853	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2019	All ramps to and from I-694 will go through this roundabout. https://www.facebook.com/RamseyCountyMinnesota/posts/the-new-roundabout-located-on-the-north-side-of-the-i-694rice-street-interchange/10156939274252957/ ICD estimated from Google Maps linework.
Short Pump, VA Goochland Co. United States	Capitol One Dr. / (unknown) (37.62693, -77.66927)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 37.8365	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Short Pump, VA Goochland Co. United States	Capitol One Dr. / Tuckahoe Creek Pkwy. access (37.63382, -77.67312)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 38.7788	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Short Pump, VA Goochland Co. United States	Capitol One Dr. / VA 288 Ramps (37.63224, -77.67027)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 53.9131	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Shortsville, NY Ontario Co. United States	CR 28 / Shortsville Rd. (42.95597, -77.27692)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.democratandchronicle.com/story/news/2020/10/19/roundabout-opens-county-road-28-and-shortsville-road-farmington-ny/3706261001/
Shrewsbury, England Shropshire United Kingdom	Heathgates Roundabout [A5112 (Whitchurch Rd. - Telford Way) / A5191 (Ditherington Rd.) / B5062 (Sundorne Rd.)] (52.72666, -2.73573)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
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.
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.
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.
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.
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 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, 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.
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.
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)
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).
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
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.
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
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.
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
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).
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 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	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 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
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, 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, 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.
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, 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	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	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
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
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)
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.
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
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)
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
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
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
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)
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.
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)
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
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	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.
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
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.
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.
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.
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.
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.
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.
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
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.
Sjödalen, Stockholm County Huddinge Sweden	Lännavägen / Kommunalvägen (59.24083, 17.99439)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 25.0435	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.