Roundabouts Database Index

29411 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
Stratford, ON Perth Canada	Churchill Circle (Brittania St. / John St.) (43.37868, -80.98830)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 44.2718	Other (At-Grade) Single-Lane		Pedestrian access to center island. ICD estimated from Google Maps linework.
Stratford, PE Queens Canada	Trans Canada Hwy. / Hollis Ave. / Georgetown Rd. (46.21811, -63.07865)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	Year Completed estimated (2019-2020).
Stratford, PE Queens Canada	Glen Stewart Dr. / MacKinnon Dr. / (unknown) (46.22336, -63.09447)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.0000	Other (At-Grade) Single-Lane	2020
Stratford, VIC Wellington Australia	A1 (Tyers St. - Dawson St.) / C494 (Briagolong Rd.) / Dawson St. (-37.96380, 147.08047)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Stratford, VIC Wellington Australia	A1 (Tyers St.) / McAlister St. (-37.96957, 147.07929)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Stratford-upon-Avon, England Warks United Kingdom	A4390 (Seven Meadows Rd.) / Weatherby Way (52.18466, -1.71418)	Roundabout Existing	Unknown Unknown	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Stratford-upon-Avon, England Warks United Kingdom	A3400 (Shipston Rd.) / A4390 (Seven Meadows Rd.) (52.18104, -1.70051)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Stratford-upon-Avon, England Warks United Kingdom	A3400 (Shipston Rd.) / B4632 (Clifford Ln.) / (parking) (52.17919, -1.70073)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Stratford-upon-Avon, England Warks United Kingdom	A4390 (Trinity Way) / Wordsworth Ave. (52.18047, -1.68980)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Stratford-upon-Avon, England Warks United Kingdom	A422 (Banbury Rd.) / A4390 (Trinity Way) / Saturn Way (52.18080, -1.68336)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Strathalbyn, SA Alexandrina Australia	B37 (Sandergrove Rd. - South Terrace) / West Terrace / Milnes Rd. (-35.26155, 138.89007)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Stratham, NH Rockingham Co. United States	Portsmouth Ave. / College Rd. (43.02268, -70.91644)	Rotary Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 114.3832	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Strathclyde Business Park, Scotland North Lanarkshire United Kingdom	James St. / Swift Way / A725 NB Off-Ramp (55.82835, -4.03608)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Strathcona County, AB Alberta Canada	Salisbury Way / (unknown) (53.50992, -113.30184)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.1484	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Strathcona County, AB Division 11 Canada	Crestview Terrace / (unknown) (53.58814, -113.26600)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 46.0000	Other (At-Grade) Single-Lane	2021
Strathcona County, AB Division 11 Canada	Crestview Terrace / Hearthstone Blvd. (53.59009, -113.26137)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 46.0000	Other (At-Grade) Single-Lane	2023
Strathcona County, AB Division 11 Canada	Highway Ave. / Crestview Terrace (53.59105, -113.25078)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.0000	Other (At-Grade) Single-Lane	2023
Strathcona County, AB Division 11 Canada	Cambrian Blvd. / Castillian Blvd. (53.58204, -113.26655)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 50.0000	Other (At-Grade) Single-Lane	2023
Strathfield, NSW Strathfield Australia	Homebush Rd. / Albyn Rd. (-33.87902, 151.08581)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Strathfield, NSW Strathfield Australia	Albyn Rd. / Parsons Ave. (-33.87941, 151.08907)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Strathfieldsaye, VIC Greater Bendigo Australia	C327 (Strathfieldsaye Rd.) / Ryalls Ln. (-36.80100, 144.34623)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Stratton, WA Swan Australia	Farrall Rd. / Lewis Jones Cross (-31.86610, 116.03421)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Stratton, WA Swan Australia	Farrall Rd. / O'Connor Rd. (-31.87007, 116.03386)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Straume, Vestland Fjell Norway	Sartorvegen / Foldnesvegen / Tytebærbrekko (60.35980, 5.12185)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Straume, Vestland Fjell Norway	Fv555 (Skjergardsvegen - Fjellavegen) / Fv561 (Skjergardsvegen) (60.35095, 5.07917)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Strawtown, IN Hamilton Co. United States	IN-37 / Strawtown Ave. (40.12355, -85.94277)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.0505	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Strenči, Strenči Municipality Latvia	E264 (Valkas iela) / P25 (Trikatas iela) / Trikatas iela (57.62691, 25.69227)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
St-Roch-Ouest, QC Montcalm Regional County Municipality Canada	Rte 158 / Rang de la Côte-St-Louis / Ancienne Rte 158 (45.88639, -73.66842)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.8930	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Strömstad, Vastra Gotaland County Strömstad Sweden	Stationsvägen / E6 NB Ramps (59.02101, 11.23971)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Strömstad, Vastra Gotaland County Strömstad Sweden	Nordby / E6 SB Ramps (59.07612, 11.24541)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Strömstad, Vastra Gotaland County Strömstad Sweden	Nordby / E6 NB Ramps (59.07745, 11.25132)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Freeway Ramps (Grade-Separated) Single-Lane		Elliptical shaped.
Strongsville, OH Cuyahoga Co. United States	Zverina Ln. / Westwood Dr. / Roe Ln. (41.31768, -81.83271)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2024	Replaced triangular-shaped intersection. https://www.facebook.com/CityofStrongsville/posts/pfbid07qr2tFqHTTFxYoX74pT3iKfHSsiq5VaVyHAgMRnUZ1Q8DYbYpqUWKLX61mXuGbDYl
Strzemieszyce Małe, Śląskie Dąbrowa Górnicza Poland	DW790 / Koksownicza (50.33137, 19.31482)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Stuart, FL Martin Co. United States	SE Devenwood Way / SE Magellan Ln. (27.11547, -80.19097)	Other Existing	Other Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Stop control on circulatory roadway.
Stuart, FL Martin Co. United States	NW Green River Pkwy. / NE Baker Rd. (27.22209, -80.25291)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2010). North leg realigned from west; south leg added.
Stuart, FL Martin Co. United States	NW Britt Rd. / NW Fresco Way / NW Goldenrod Rd. (27.23781, -80.26708)	Other Existing	Other None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)		Concentric striped circulatory roadway. Stop control on south leg.
Stuart, FL Martin Co. United States	SW Pennington St. / SW Pennington St. (27.14408, -80.25194)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Stuart, FL Martin Co. United States	SE Pomeroy St. / SE Pennington St. (27.14684, -80.24643)	Other Unknown	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Stuart, FL Martin Co. United States	SW Lost River Rd. / SW Kantner Dr. (27.11641, -80.26147)	Traffic Calming Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Stuart, FL Martin Co. United States	S. Dixie Hwy / SW Joan Jefferson Way / SW Akron Ave. / SW St. Lucie Ave. (27.19928, -80.25545)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 29.7433	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Stuart, FL Martin Co. United States	S. Dixie Hwy / SR 76 / SR A1A (27.19767, -80.25266)	Other Existing	Other None	0 Approaches 0 Driveways 26.5569	Other (At-Grade) Multilane (2 Lane, unspecified)		Railroad crossing next to circle. ICD estimated from Google Maps linework.
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.
Stuarts Draft, VA Augusta Co. United States	Stone Dr. / Boulder Dr. (38.03888, -79.01370)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.1600	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2011). ICD estimated from Google Maps linework.
Sturgeon Bay, WI Door Co. United States	STH 42 / Michigan St. (44.83499, -87.34712)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.8168	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	https://www.google.com/maps/d/viewer?mid=1kRgB04jjoXd6tLLe0r20FJoxJMI&ll=44.829603204967256%2C-87.35688177363386&z=12 ICD estimated from Google Maps linework.
Sturgeon County, AB Division 11 Canada	Sturgeon Rd. / Starkey Rd. (53.67801, -113.56458)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0000	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2020-2021).
Sturgis, MI St. Joseph Co. United States	E Lafayette Rd. / N Franks Ave. (41.81055, -85.39875)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.sturgisjournal.com/story/news/local/2023/07/14/sturgis-roundabout-open/70413258007/
Stuvsta, Stockholm County Huddinge Sweden	Lännavägen / Gymnasievägen (59.24153, 17.99536)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 26.8754	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Stuvsta, Stockholm County Huddinge Sweden	Stationsvägen / Stuvstavägen (59.25002, 17.99854)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 15.8769	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Suamico, WI Brown Co. United States	School Ln. (CTH B) / Velp Ave. (CTH HS) (44.63452, -88.05177)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.7946	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Subotica, Vojvodina Central Serbia Serbia	Ulica Matka Vukovića / Ulica Rudić / Ulica Štrosmajerova / Trg republike (46.09986, 19.66252)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Subotica, Vojvodina Central Serbia Serbia	Ulica Šandora Petefija / Trg žrtava fašizma / Trg Lajoša Košuta (46.10019, 19.65832)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Sučany, Zilina Martin Slovakia	I/18 (Hlavná) / III/2137 / Priemyselná (49.09422, 18.96012)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Success, WA Cockburn Australia	Brushfoot Blvd. / Caterpillar Rd. / Awl Way (-32.15584, 115.84644)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Success, WA Cockburn Australia	Brushfoot Blvd. / Papillon Rd. / Jardine St. (-32.15864, 115.84643)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Success, WA Cockburn Australia	Hammond Rd. / Wentworth Parade / Tongaroo Blvd. (-32.15368, 115.84632)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Success, WA Cockburn Australia	Wentworth Parade / Meridian St. (-32.15337, 115.85064)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways	Other (At-Grade) Single-Lane
Success, WA Cockburn Australia	Wentworth Parade / Bartram Rd. (-32.14571, 115.85674)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Suceava, Suceava Romania	Strada Mărășești / Strada Mărăști / Bulevardul George Enescu (47.64653, 26.25011)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Sucre, Chuquisaca Oropeza Province Bolivia	Calle Gaspar de la Cueva / Calle Victorino Vega / Calle Jesús Lara (-19.02823, -65.25318)	Other Existing	Uncontrolled None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Pedestrian access to central island.
Sudbury, England Suffolk United Kingdom	A134 / B1115 (52.04713, 0.74534)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Sudbury, England Suffolk United Kingdom	B1115 / Aubrey Dr. / Church Field Rd. / (parking) (52.04843, 0.74729)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Sudbury, England Suffolk United Kingdom	A134 / Clemont Ave. (52.05214, 0.73087)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Suffolk, VA United States	University Blvd. / Prices Fork Blvd. (36.87088, -76.41873)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.3517	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Suffolk, VA United States	Bon Secours Dr. / Harbour Towne Pkwy. (36.86884, -76.43764)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.3526	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Suffolk, VA United States	Plummer Blvd. / Belle Orchard Ln. (36.86074, -76.44528)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.8677	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Suffolk, VA United States	Governors Pointe Dr. / Tindalls Ct. / Wentworth Ct. (36.89513, -76.49969)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 24.8338	Other (At-Grade) Single-Lane	2004	No splitter islands. ICD estimated from Google Maps linework.
Suffolk, VA United States	Burbage Dr. / (unknown) (36.87893, -76.42211)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.4996	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	Concentric circulatory roadway striping. ICD estimated from Google Maps linework.
Suffolk, VA Suffolk City Co. United States	College Dr. / Harbour View Dr. / Armistead Rd. (36.89493, -76.43239)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 66.8605	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	https://www.clarknexsen.com/project/college-drive-roundabout-suffolk-va/. ICD estimated from Google Maps linework.
Suffolk, VA Suffolk City United States	Island Park Circle (36.84622, -76.46002)	Other Existing	Unknown Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		Pedestrian access to central island.
Suffolk, VA Suffolk City United States	Kings Grant Cir. / Queens Point Dr. (36.77752, -76.59713)	Other Existing	Unknown Unknown	3 Approaches 2 Driveways 0.0000	Other (At-Grade) Unknown		Pedestrian access to central island.
Suffolk, VA Suffolk City United States	Meadow View Blvd. / Meridian Pl. / Vineyard Pl. (36.85508, -76.46192)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		Pedestrian access to central island.
Suffolk, VA Suffolk City United States	Bridgeway Dr. (36.89212, -76.43387)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Sugar Grove, IL Kane Co. United States	Dugan Rd. / Granart Rd. / Bucktail Ln. (41.76143, -88.48939)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.5260	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	date: https://www.kcchronicle.com/2015/08/18/sugar-grove-roundabout-opens/a5jsq7l/ Granart Rd. moved about 300 ft south to align with Bucktail Ln. ICD estimated from Google Maps linework.
Sugar Hill, GA Gwinnett Co. United States	W Broad St. NE / Whitehead Rd. (34.10860, -84.03845)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2012	Pedestrian crossings at edge of circulatory roadway.
Sugar House, UT Salt Lake Co. United States	2300 E / E Vimont Ave. / E Heritage Way / I-80 Ramps (40.71212, -111.82390)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.4542	Freeway Ramps (Grade-Separated) Single-Lane	2017	Part of system with two mini-roundabouts. Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Sugar Land, TX Fort Bend Co. United States	Imperial Blvd. / Stadium Dr. (29.62548, -95.64404)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8637	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	Primary access to a minor league baseball stadium.
Sugar Land, TX Fort Bend Co. United States	Museum Square Dr. / Savannah Heights Blvd. (29.59595, -95.65056)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2011	Small neighborhood entry roundabout.
Sugar Land, TX Fort Bend Co. United States	Lexington Blvd. / Oxbow Dr. (29.58286, -95.63738)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2013	.
Sugar Land, TX Fort Bend Co. United States	Commonwealth Blvd. / LJ Pkwy. (29.56659, -95.59150)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2016	.
Sugar Land, TX Fort Bend Co. United States	Commonwealth Blvd. / L.J. Pkwy. (29.55919, -95.64098)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2007	No splitter islands on two legs. Main entrance to Sugar Land Memorial Park and Brazos River Corridor.
Sugar Land, TX Fort Bend Co. United States	Lake Pointe Pkwy / (parking) (29.60497, -95.62139)	Traffic Calming Circle Existing	All-Way Stop None	4 Approaches 0 Driveways 18.2880	Other (At-Grade) Single-Lane	2008	Provides access to adjacent townhomes and medical facilities.
Suisun City, CA Solano Co. United States	Charleston St. / Gunter Dr. (38.26212, -121.98570)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2004
Suisun City, CA Solano Co. United States	Charleston St. / McClellan Dr. (38.25614, -121.98578)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2002	Year Completed estimated (1993-2003).
Sullana, Piura Province of Sullana Peru	Rte 1N / Rte 1NL (-4.91677, -80.69660)	Other Existing	All-Way Stop Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Sullana, Piura Province of Sullana Peru	Ovalo Tallan (-4.90179, -80.69750)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Sullana, Piura Province of Sullana Peru	Avenida Santa Rosa / Marcelino Champagnat (-4.89718, -80.69566)	Unknown Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Sulphur, LA Calcasieu Par. United States	E Burton St. (Old Spanish Trl.) / Coach Williams Dr. (30.24400, -93.32542)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Single-Lane	2020	https://www.calcasieuparish.gov/Home/Components/News/News/4747/30?recordid=382&npage=9
Sultan, WA Snohomish Co. United States	US 2 / Rice Rd. (47.86794, -121.77764)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.4579	Other (At-Grade) Single-Lane	2012	https://www.seattletimes.com/seattle-news/transportation/after-multimillion-dollar-plan-to-boost-highway-2-safety-has-the-effort-borne-fruit/ ICD estimated from Google Maps linework.
Summerfield, MD Prince George's Co. United States	Saint Josephs Dr. / Grove Hurst Ln. (38.91969, -76.84060)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Multilane (2 Lane, unspecified)	2012
Summerfield, MD Prince George's Co. United States	Ruby Lockhart Blvd. / Taj Ln. (38.92163, -76.84438)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, unspecified)	2011
Summerfield, MD Prince George's Co. United States	Campus Way / Geaton Park Pl. (38.92577, -76.84451)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, unspecified)	2011
Summerfield, MD Prince George's Co. United States	Ridgefield Blvd. / Chatsfield Way / Valley Trail Ln. (38.89834, -76.86172)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)
Summerland, BC Okanagan-Similkameen Canada	Rosedale Ave. / Jubilee Rd. / Peacj Orchard Rd. (49.60443, -119.67769)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.0899	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Summerland, BC Okanagan-Similkameen Canada	Prairie Valley Rd. / Rosedale Ave. / Wharton St. (49.60060, -119.67782)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 16.2552	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Summerland, BC Okanagan-Similkameen Canada	Prairie Valley Rd. / Victoria Rd. S (49.59775, -119.68098)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.3195	Other (At-Grade) Single-Lane	2014	Oval shape. Year Completed estimated (2012-2015). ICD estimated from Google Maps linework.
Summerside, PE Prince Canada	Hwy 2 (Veteran's Memprial Hwy.) / Read Dr. (46.41741, -63.74101)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2006-2012).
Summerside, PE Prince Canada	Sherbrooke Rd. (Rte 2) / Granville St. (46.42321, -63.77846)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.6339	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	Right-turn bypass lanes on two legs. https://www.msn.com/en-ca/news/canada/roundabout-roundup-progress-report-on-peis-4-new-roundabouts/ar-AAFxxdZ ICD estimated from Google Maps linework.
Summerside, PE Prince Canada	Central St. / Pope Rd. (46.41077, -63.78716)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2021	Previously two T-intersections, one signalized, the other a one-way stop. https://www.cbc.ca/news/canada/prince-edward-island/pei-pope-roundabout-summerside-1.6224393
Summerville, SC Dorchester Co. United States	Miles Jamison Rd. / Chandler Creek Rd. (32.98623, -80.15558)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2016
Summerville, SC Dorchester Co. United States	Wescott Blvd. / Oak Forest Blvd. (32.94488, -80.14152)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.9600	Other (At-Grade) Single-Lane	2000	Built originally as multilane (2x1) roundabout. Year Completed estimated (2000). Converted to single-lane in 2015 by striping out inner circulating lane but retaining two-lane exits at pedestrian crossings on north and south legs.