Roundabouts Database Index

29679 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
St Catharines, ON Niagara Canada	Suzanne Rochon-Burnett Circle (University Rd. E / Greenhouse Ln. / Ray Woodfield Dr. / John McDonald St.) (43.12007, -79.24428)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.0000	Other (At-Grade) Single-Lane	2000	Initial completion estimated (before 2003). Modified approximately 2003-2007 to realign University Road leg. ICD estimated from Google Maps linework. 21442
Markham, ON York Canada	Swan Lake Blvd. / Lakeside Vista Way. (43.89623, -79.25077)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.0000	Other (At-Grade) Single-Lane	2001	Year Completed estimated (2000-2001).
Whitchurch-Stouffville, ON York Canada	Ninth Line / Bayberry St. / Baker Hill Blvd. (43.98000, -79.25804)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.6579	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Whitchurch-Stouffville, ON York Canada	Baker Hill Blvd. / Prince George Ave. / Glad Park Ave. (43.97897, -79.26096)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2020).
Whitchurch-Stouffville, ON York Canada	Millard St. / W Lawn Crescent (43.97458, -79.26216)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.0659	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Whitchurch-Stouffville, ON York Canada	W Lawn Crescent / Creekland Ave. (43.97676, -79.26308)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 15.4704	Other (At-Grade) Single-lane w/ Traversable Central Island	2015	ICD estimated from Google Maps linework.
Fonthill, ON Niagara Canada	Summersides Blvd. / Wellspring Way (43.04571, -79.27263)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2017
Whitchurch-Stouffville, ON York Canada	Baker Hill Blvd. / Brownsberger Rd. (43.97580, -79.27341)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.3628	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Fonthill, ON Niagara Canada	Summersides Blvd. / Klager Ave. (43.04425, -79.27570)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2018	No splitter island on south leg. Year Completed estimated (2018-2020).
Whitchurch-Stouffville, ON York Canada	Spofford Dr/Baker Hill Blvd/Bellcastle Gate (43.97216, -79.27581)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2020
Whitchurch-Stouffville, ON York Canada	Millard St. / Baker Hill Blvd. (43.97001, -79.27600)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.3486	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2005-2009). ICD estimated from Google Maps linework.
Whitchurch-Stouffville, ON York Canada	Hwy 40 (Bloomington Rd.) / Hwy 48 (44.00082, -79.28902)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 52.4061	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Bracebridge, ON Muskoka Canada	Taylor Rd. / Cedar Ln. (45.05055, -79.29578)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2009-2012).
Markham, ON York Canada	S Unionville Ave. / Unity Gardens Dr. (43.85543, -79.30360)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.5590	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Markham, ON York Canada	William Berczy Blvd. / Beckett Ave. (43.88444, -79.30585)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.5968	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Forest, VA Bedford Co. United States	Lindenshire Dr. / Glade Springs Blvd. (37.38379, -79.30599)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 23.7249	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2014) ICD estimated from Google Maps linework.
Fredonia, NY Chautauqua Co. United States	US 20 (E Main St.) / Rte 60 (Bennett Rd. (42.45043, -79.30792)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2020	https://www.post-journal.com/news/latest-news/2020/12/major-construction-completed-on-roundabout/
Markham, ON York Canada	Wilfred Murison Ave / William Berczy Blvd (43.88681, -79.30799)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.4560	Other (At-Grade) Single-Lane	2015	Previously a traffic circle ICD estimated from Google Maps linework.
Forest, VA Bedford Co. United States	Glade Springs Blvd. / Helmsdale Dr. (37.38152, -79.30810)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.5727	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
St Catharines, ON Niagara Canada	7th Street Louth / Queen Elizabeth Way WB Ramps (43.18086, -79.30892)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.9324	Freeway Ramps (Grade-Separated) Single-Lane	2016	Right-turn bypass lane on east leg. ICD estimated from Google Maps linework.
St Catharines, ON Niagara Canada	7th Street Louth / Queen Elizabeth Way EB Ramps (43.17822, -79.30900)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5794	Freeway Ramps (Grade-Separated) Single-Lane	2016	ICD estimated from Google Maps linework.
Markham, ON York Canada	Harbord St. / Beckett Ave. (43.88279, -79.31197)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.6855	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Markham, ON York Canada	Wilfred Murison Ave. / Harbord St. (43.88567, -79.31277)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.8235	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Markham, ON York Region Canada	Prospectors Dr. / Angus Glen Blvd. (43.89075, -79.31981)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.2641	Other (At-Grade) Single-Lane	2004	Functional Class: Local ICD estimated from Google Maps linework.
Markham, ON York Region Canada	Prospectors Dr. / The Fairways (43.89400, -79.32079)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.0985	Other (At-Grade) Single-Lane	2004	Functional Class: Local ICD estimated from Google Maps linework.
Oakland, MD Garrett Co. United States	Heron Circle (39.48570, -79.32376)	Other Existing	Unknown Unknown	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Unknown
Markham, ON York Canada	Village Pkwy. / Fitzgerald Ave. (43.86057, -79.32526)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.2509	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Markham, ON York Canada	Angus Glen Blvd. / Berkshire Crescent / Glengordon Crescent (43.89220, -79.33385)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.5420	Other (At-Grade) Single-Lane	2009	Usable in 2009; finished 2016. ICD estimated from Google Maps linework.
Bedford, VA Bedford Co. United States	London Park Dr. / Meade Rd. / Meadow Down Dr. (37.30592, -79.33699)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2006	https://www.wdbj7.com/2020/07/28/meade-road-extension-to-be-completed-soon/
Richmond Hill, ON York Canada	York Blvd. / (parking) (43.84765, -79.37604)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		No splitter islands.
Richmond Hill, ON York Canada	York Blvd. / (parking) (43.84703, -79.37710)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		No splitter islands.
Carthage, NC Moore Co. United States	Camp Easter Rd. / (McDeeds Creek Elementary School) / (Pope John Paul II Catholic School) (35.21261, -79.38105)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Unknown	2019
Marion, SC Marion Co. United States	SC 41A (Jones Ave.) / Senator Gasque Rd. / Metal Rd. (34.18353, -79.38340)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	Replaced scissor intersection. Vera St rerouted.
Southern Pines, NC Moore Co. United States	NC 2 (Midland Rd.) / NC 22 (Central Dr.) (35.19303, -79.38753)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 40.0170	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	ICD estimated from Google Maps linework.
Unity Township, PA Westmoreland Co. United States	Monastery Dr. / Saint Vincent Dri. (40.29570, -79.39741)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.7249	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Vaughan, ON York Canada	S Park Rd. / S Park Rd. (43.83875, -79.39747)	Other Existing	Unknown None	2 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	1998	Year Completed estimated (before 2002)
Toronto, ON Toronto Canada	Spadina Crescent (43.65968, -79.40070)	Other Existing	Other Pedestrian Signal (red-yellow-green to drivers)	4 Approaches 2 Driveways 136.5184	Other (At-Grade) Multilane (2 Lane, unspecified)	1815	Extremely old traffic circle. Building with parking in center island; street car tracks in circle. No control on Spandina Ave. entrances; stop signs on Russell St. entrances. ICD estimated from Google Maps linework.
Southern Pines, NC Moore Co. United States	NC 22 / Airport Rd. (35.22746, -79.40195)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.8780	Other (At-Grade) Single-Lane	2009	Right-turn bypass lane with acceleration lane in NW quadrant. ICD estimated from Google Maps linework.
Unity Township, PA Westmoreland Co. United States	SR 981 / Airport Ln. (40.27001, -79.40283)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.0076	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Latrobe, PA Westmoreland Co. United States	Whitney Ct. (40.26595, -79.40789)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Carthage, NC Moore Co. United States	Courthouse Square (McReynolds St. / Down Rd. / Martin St.) (35.34581, -79.41710)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 61.3736	Other (At-Grade) Single-Lane		Courthouse in center island. ICD estimated from Google Maps linework.
Toronto, ON Toronto Canada	Connaught Cir. / Claxton Blvd. (43.68917, -79.42497)	Other Existing	All-Way Stop Unknown	3 Approaches 0 Driveways 39.7263	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Southern Pines, NC Moore Co. United States	S Knoll Rd. / Voit Gilmore Rd. / Felton Capei Ln. (35.18869, -79.43085)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2005	At Pinecrest High School. Lane line extensions across exits.
Richmond Hill, ON York Canada	Jefferson Forest Dr. / Mancini Crescent / Magdalene Crescent (43.91246, -79.43237)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.5326	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Aurora, ON York Canada	River Ridge Blvd. / Mavrinac Blvd. (44.01125, -79.43539)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2009
Aurora, ON York Canada	Mavrinac Blvd. / Borealis Ave. / Tonner Crescent (44.01396, -79.43669)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2009
Newmarket, ON York Canada	Fernbank Rd. / (unknown) / (parking) (44.04355, -79.43718)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2005-2009).
Richmond Hill, ON York Canada	Jefferson Forest Dr. / Shadow Falls Dr. (43.91635, -79.43746)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 20.6481	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Aurora, ON York Canada	Mavrinac Blvd. / Spring Farm Rd. / Collingwood Ct. (44.01725, -79.43922)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0000	Other (At-Grade) Single-Lane	2009
Newmarket, ON York Canada	Nellie Little Crescent / Kingsmere Ave. / Quaker Trl. (44.04142, -79.43972)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2011).
Aurora, ON York Canada	Hartwell Way / Mavrinac Blvd. (44.02043, -79.44055)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0000	Other (At-Grade) Single-Lane	2009
Aurora, ON York Canada	River Ridge Blvd. / Conover Ave. (44.01004, -79.44110)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2002-2005).
Richmond Hill, ON York Canada	Jefferson Forest Dr. / Arden Valley St. (43.91533, -79.44181)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.2295	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Aurora, ON York Canada	Borealis Ave. / Conover Ave. (44.01283, -79.44224)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2002-2005).
Aurora, ON York Canada	Spring Farm Rd. / Conover Ave. (44.01623, -79.44361)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0000	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2002-2005).
Pedregal, Panamá Panamá District Panama	Calle Villalobos / Corredor Norte Ramps / (unknown) (9.08437, -79.44389)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Aurora, ON York Canada	Hartwell Way / Conover Ave. (44.01954, -79.44469)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0000	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2005).
Pinehurst, NC Moore Co. United States	US 15 / US 501 / NC 2 / NC 211 (35.20173, -79.45045)	Rotary Existing	Unknown Unknown	5 Approaches 0 Driveways 201.0393	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Aurora, ON York Canada	Hollidge Blvd. / John West Way (44.01147, -79.45102)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.0000	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1996-2002).
Richmond Hill, ON York Canada	Rothbury Rd. / Ridgestone Dr. / Tentone Ct. (43.90050, -79.45136)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.0959	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2009-2013). ICD estimated from Google Maps linework.
Richmond Hill, ON York Canada	Rollinghill Rd. / Glenis Gate (43.90960, -79.45317)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.9526	Other (At-Grade) Single-Lane	2002	Year Completed estimated (2002 or perhaps a year or two earlier). ICD estimated from Google Maps linework.
Aurora, ON York Canada	Hollandview Trl. / Woodruff Crescent / Hollidge Blvd. (44.01096, -79.45395)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0000	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1996-2002).
Aurora, ON York Canada	Gateway Dr. / Pedersen Dr. (44.01789, -79.45534)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2002	Year Completed estimated (2002-2005).
Pedregal, Panamá Panamá District Panama	Calle Villalobos / Corredor Panama Norte (9.09450, -79.45568)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Richmond Hill, ON York Canada	Tower Hill Rd. / Mockingbird Dr. / Wicker Dr. (43.91512, -79.45624)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.0900	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2007). ICD estimated from Google Maps linework.
Laurinburg, NC Scotland Co. United States	US 15-US 501 / NC 144 (Old Wire Rd.) (34.84114, -79.45862)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 90.1821	Other (At-Grade) Single-Lane	2018	Project W-5208MA. ICD estimated from Google Maps linework.
Richmond Hill, ON York Canada	Tower Hill Rd. / Rollinghill Rd. (43.91406, -79.46109)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.0904	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2007). ICD estimated from Google Maps linework.
Laurinburg, NC Scotland Co. United States	US 501 Business (Johns Rd.) / Lauchwood Dr. (34.75125, -79.46361)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Richmond Hill, ON York Canada	Selwyn Rd. / Alpaca Dr. / Heathside Ave. (43.91005, -79.46813)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8129	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Richmond Hill, ON York Canada	Tower Hill Rd. / Selwyn Rd. (43.91400, -79.46930)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.5093	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
Pinehurst, NC Moore Co. United States	NC 2 / Carolina Vista (35.19233, -79.47094)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.3289	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Toronto, ON Toronto Canada	Windermere Ave. / St Olaves Rd. / Coe Hill Dr. / Budgell Terr. (43.64157, -79.47476)	Other Existing	Other None	5 Approaches 1 Driveways 30.2505	Other (At-Grade) Single-Lane		One entry has a stop sign; another has no splitter island. ICD estimated from Google Maps linework.
Parque Lefevre, Panamá Panamá District Panama	Avenida Cincuentenario / Avenida Rodrigo G. Bastidas (9.00853, -79.48666)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
North Bay, ON Nipissing Canada	Gormanville Rd. / College Dr. / McKeown Ave. (46.33406, -79.48714)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.7575	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	http://www.minnowlake.ca/Roundabouts_in_Canada_2013%20(1).pdf ICD estimated from Google Maps linework.
Bedford, VA Bedford Co. United States	County Farm Rd. / County Park Rd. / (parking lot) (37.31209, -79.50176)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.6474	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2008). ICD estimated from Google Maps linework.
Burlington, NC Alamance Co. United States	Boone Station Dr. / Boston Dr. (36.07077, -79.50516)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Lane change required for northbound left turn.
Lincoln, ON Niagara Canada	King St. (Hwy 81) / Green Lane Rd. (43.17965, -79.50744)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.2240	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Burlington, NC Alamance Co. United States	MacKintosh Dr. / Bonnar Bridge Rd. (36.06153, -79.52777)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.0667	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Vaughan, ON York Canada	Cranston Park Ave. / Melville Ave. / Drummond Dr. (43.86528, -79.52939)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.8598	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2002). ICD estimated from Google Maps linework.
Mount Pleasant, PA Westmoreland Co. United States	SR 981 / Hecla Rd. / State St. (40.17769, -79.52978)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://mthbg-laurelvalley.azurewebsites.net/section-1/section-1-project-area-photos.php
Greensburg, PA Westmoreland Co. United States	Ridgeway St. / Morrison Ave. (40.29972, -79.53295)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
West Lincoln, ON Niagara Canada	Regional Road 20 (St Catharines St.) / Townline Rd. (43.09175, -79.53404)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2020	https://niagararegion.ca/projects/regional-road-20/default.aspx
Burlington, NC Alamance Co. United States	Ingle Dairy Rd. / Loch Ridge Pkwy. / Bonnar Bridge Rd. (36.05276, -79.53802)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.0728	Other (At-Grade) Single-Lane	2004	Year Completed estimated (1999-2005). Splitter islands added between 2009 and 2012. ICD estimated from Google Maps linework.
Mount Pleasant, PA Westmoreland Co. United States	SR 819 / SR 981 (40.16665, -79.54360)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Single-Lane	2023	https://www.penndot.pa.gov/RegionalOffices/district-12/pages/details.aspx?newsid=2355
King City, ON York Canada	Lloydtown-Aurora Rd. (Hwy 16) / Keele St. (Hwy 6) (44.00132, -79.54751)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.9554	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Toronto, ON Toronto Canada	Resources Rd. / Lowes Pl. / Islington Ave. NB Off-Ramp (43.70802, -79.54995)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane
Innisfil, ON Simcoe Canada	6th Line / Webster Blvd. (44.28848, -79.55307)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2020	Year Completed estimated (2019-2020).
West Lincoln, ON Niagara Canada	Regional Road 20 / S Grimsby Road 6 (43.11010, -79.56042)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2020	https://niagararegion.ca/projects/regional-road-20/default.aspx
Vaughan, ON York Canada	Chatfield Dr. / Lawford Rd. (43.84833, -79.56816)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.9783	Other (At-Grade) Single-Lane	2011	Unfinished but usable in 2011; somewhat better but still unfinished in 2014 (streetview). ICD estimated from Google Maps linework.
Mississauga, ON Peel Canada	Explorer Dr. / Skymark Ave. (43.66098, -79.59586)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.9688	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Bradford West Gwillimbury, ON Simcoe Canada	6th Line / Sideroad 10 (44.09236, -79.59798)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2023	Intersection moved about 100 m south. https://www.townofbwg.com/en/business-development/south-west-arterial-road-swar.aspx.
Allegheny Township, PA Westmoreland Co. United States	SR 356 / La Belle Vue Rd. (40.59828, -79.60760)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://triblive.com/local/valley-news-dispatch/first-roundabout-in-alle-kiski-valley-aims-to-decrease-vehicle-crashes-in-allegheny-township/
Leechburg, PA Westmoreland Co. United States	Moreland Drive Circle (40.60290, -79.61220)	Other Existing	Unknown Unknown	3 Approaches 4 Driveways 0.0000	Other (At-Grade) Single-Lane
New Stanton, PA Westmoreland Co. United States	I-70 / Pennsylvania Ave / SR 3089 (40.21546, -79.61296)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.1608	Freeway Ramps (Grade-Separated) Single-Lane	2016	Year completed could be 2017. ICD estimated from Google Maps linework.
New Stanton, PA Westmoreland Co. United States	I-70 / Bair Blvd (40.21722, -79.61435)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.7756	Freeway Ramps (Grade-Separated) Single-Lane	2016	Year Completed could be 2017. ICD estimated from Google Maps linework.
New Stanton, PA Westmoreland Co. United States	Bair Blvd / Rachel Dr (40.21929, -79.61572)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2016	Year completed might be 2017.
(unincorporated), SC Florence Co. United States	Francis Marion Rd. / Claussen Rd. / Old River Rd. (34.13139, -79.63019)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.8056	Other (At-Grade) Single-Lane	2020
Mississauga, ON Peel Canada	Duke of York Blvd. / Square One Dr. (43.59181, -79.64742)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.0056	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Mississauga, ON Peel Canada	The Credit Woodlands / McBride Ave. / Credit Heights Dr. (43.55853, -79.65842)	Rotary Existing	Other None	4 Approaches 4 Driveways	Other (At-Grade) Single-Lane		Yields in circulatory roadway.
Ruffs Dale, PA Westmoreland Co. United States	SR 3014 (Hunker Rd.) / I-70 WB Ramps (40.21336, -79.66387)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.8640	Freeway Ramps (Grade-Separated) Single-Lane	2021	Year Completed estimated (2020-2021).