Roundabouts Database Index

30320 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
Tallahassee, FL Leon Co. United States	Harbor Club Dr. / Kiawah Dr. (30.47399, -84.22270)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2006
Duluth, GA Gwinnett Co. United States	Venture Dr. / Day Dr. (33.95385, -84.13234)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.gwinnettdailypost.com/multimedia/photos-new-roundabout-at-venture-day-drives-opens/collection_befd7f9e-993b-11ea-b52d-87cffebaf0b1.html#1
Greenacres, WA Spokane Co. United States	N Barker Rd. / I-90 WB Ramps / E Cataldo Ave. (47.66736, -117.15377)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.4904	Freeway Ramps (Grade-Separated) Single-Lane	2020	ICD ranges from approx 112 to approx 123 feet. Open 8/25/2020.
Ashland, MO Boone Co. United States	MO-M (E Broadway) / MO-Y / US 63 NB Ramps (38.77429, -92.25118)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Freeway Ramps (Grade-Separated) Single-Lane	2014	Year Completed estimated (2013-2015).
Ashland, MO Boone Co. United States	MO-M (E Broadway) / US 63 SB Ramps (38.77431, -92.25328)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Freeway Ramps (Grade-Separated) Single-Lane	2014	Year Completed estimated (2013-2015).
Wanamingo, MN Goodhue Co. United States	STH 60 / STH 57 (Main St.) (44.29785, -92.79077)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://kdhlradio.com/wanamingo-roundabout-opens-tomorrow-morning/
Muscatine, IA Muscatine Co. United States	Mulberry Ave. / 2nd St. (41.42371, -91.04141)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.youtube.com/watch?v=nyJfLuvBF_A
Holy Cross, IA Dubuque Co. United States	US 52 / Holy Cross Rd. (42.59513, -90.98652)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	https://www.dyersvillecommercial.com/news/roundabout-completed-outside-of-holy-cross/image_abf4ba03-bd15-5801-928e-39c6e5ff2bfb.html
Bogart, GA Oconee Co. United States	Diamond Way / Pearl Way / Jade St. (33.92451, -83.55792)	Other Existing	Unknown Unknown	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Rogers, AR Benton Co. United States	Monte NE Rd. / S Arkansas St. / W Oak St. / S 1st St. (36.32593, -94.11640)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signal/Beacon	4 Approaches 0 Driveways 42.6717	Other (At-Grade) Single-Lane	2018	Right-turn bypass lanes on south and east legs. Grade-separated pedestrian tunnel under east leg. At-grade rail crossing 230 feet to west.
Rogers, AR Benton Co. United States	Monte NE Rd. / Pleasant Ridge Rd. (36.32245, -94.10972)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2018	Through bypass lane on north leg.
Euxton, England Lancs United Kingdom	Buckshaw Ave. / Horseshoe Dr. (53.67476, -2.65321)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Chorley, England Lancs United Kingdom	Buckshaw Ave. / Village Way / Ordinance Rd. (53.67715, -2.65611)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Buckshaw Village, England Lancs United Kingdom	Old Worden Ave. / Village Way / Main St. (53.67961, -2.65719)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Euxton, England Lancs United Kingdom	Ordnance Rd. / (unknown) (53.67447, -2.66109)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Fulwood, England Lancs United Kingdom	Pittman Way / Williams Ln. / Faraday Dr. (53.79431, -2.68261)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
St Louis Park, MN Hennepin Co. United States	Cedar Lake Rd. / Zarthan Ave. (44.96544, -93.35534)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020
Horizon West, FL Orange Co. United States	Lake Hancock Blvd. / John Hancock Dr. (28.45882, -81.62045)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2013
Horizon West, FL Orange Co. United States	Summerport Village Pkwy. / Eden Isle Blvd. / Merrick Landing Blvd. / Blu Knight Ln. (28.47355, -81.58850)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2002
Willows at Lake Rhea, FL Orange Co. United States	Willow Gardens Dr. / Willow Brick Rd. (28.51391, -81.54793)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 76.2000	Other (At-Grade) Single-Lane		No splitter islands on two legs.
Metro West, FL Orange Co. United States	Lake Debra Dr. / (unknown) (28.51446, -81.47791)	Other Existing	Other Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Stop control on one leg.
Fort Wayne, IN Allen Co. United States	Lincoln Hwy. / Goshen Ave. / Sherman Blvd. / Lillian Ave. (41.09896, -85.15372)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.wane.com/news/local-news/goshen-avenue-roundabout-opens-to-traffic/
Salem, MI Washtenaw Co. United States	Pontiac Trl. / 7 Mile Rd. (42.41368, -83.64647)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2020	https://www.wcroads.org/wcrc-project/pontiac-trail-and-7-mile-road-roundabout/
Lecco, Lombardy Lecco Italy	Via Adda / Ponte Kennedy (45.84985, 9.38794)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lecco, Lombardy Lecco Italy	Via Lorenzo Balicco / Via Ferriera / (parking) (45.85554, 9.39601)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 2 Driveways	Other (At-Grade) Single-Lane
Lecco, Lombardy Lecco Italy	Largo Caleotto / Via Amendola (45.85310, 9.39954)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane		Raindrop shaped. Part of "exclamation point" system.
Canton, MA Norfolk Co. United States	Pleasant St. / Bolivar St. / Lincolnshire Dr. (42.15077, -71.12804)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2015
Kansas City, KS Wyandotte Co. United States	N 131st Dr. / Meadow Ln. (39.17638, -94.88099)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 36.5760	Other (At-Grade) Single-Lane	2003
Kansas City, KS Wyandotte Co. United States	Whispering Ln. / Sortop Dr. (39.15320, -94.83506)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2005	Elliptical shape. ICD = 120 ft x 100 ft.
Mount Pleasant, SC Charleston Co. United States	Wood Park Dr. / Ayscough Ln. (32.90538, -79.82184)	Other Existing	All-Way Yield Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian access to central island.
Mount Pleasant, SC Charleston Co. United States	Kings Gate Ln. / (parking) (32.90349, -79.81985)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Mount Pleasant, SC Charleston Co. United States	Planters Pointe Blvd. / Cotton Creek Dr. (32.90291, -79.82710)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on two legs.
Mount Pleasant, SC Charleston Co. United States	Willbrook Ln. / Cheswick Ln. (32.89835, -79.83617)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Mount Pleasant, SC Charleston Co. United States	Grey Marsh Rd. / Daniel Legare Pl. / Henrietta Hartford Rd. (32.90182, -79.79338)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2000	Striped truck apron. Year Completed estimated (1999-2002). Pavement markings added to roundabout 2017-2018.
Mount Pleasant, SC Charleston Co. United States	Porchers Bluff Rd. / Rifle Range Rd. (32.85497, -79.77873)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2007).
Mount Pleasant, SC Charleston Co. United States	1301 Royal Links Dr (32.87444, -79.76271)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Mount Pleasant, SC Charleston Co. United States	Stockton Dr. / Straton Pl. (32.87331, -79.75912)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Mansions at Canyon Creek, KS Johnson Co. United States	W 95th Ln. (38.95544, -94.88063)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Mansions at Canyon Creek, KS Johnson Co. United States	W 95th Ln. / Zarda Dr. (38.95602, -94.87907)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Isle of Palms, SC Charleston Co. United States	Sundial Circle (32.80114, -79.75399)	Other Existing	Other Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Wichita, KS Sedgwick Co. United States	Oak Creek Pkwy. (37.72193, -97.21150)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2006	Roundabout appears to be located to support future development on both sides of street.
Brighton, CO Adams Co. United States	Mt Massive Dr. / Mt Cameron Ct. (39.98159, -104.75310)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
North Charleston, SC Charleston Co. United States	E Liberty Park Cir. / Essez St. (32.88859, -79.99791)	Other Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian access to central island.
North Charleston, SC Charleston Co. United States	City Hall Ln. / (parking) (32.87592, -80.01191)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2007-2010).
Mount Pleasant, SC Charleston Co. United States	Belk Dr. / Towne Centre Way (32.82956, -79.83035)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Mount Pleasant, SC Charleston Co. United States	Belk Dr. / Palmetto Grande Dr. (32.82895, -79.82986)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Mount Pleasant, SC Charleston Co. United States	Theater Dr. / Palmetto Grande Dr. (32.82980, -79.82834)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Mount Pleasant, SC Charleston Co. United States	Theater Dr. / Towne Centre Way (32.83045, -79.82888)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Mount Pleasant, SC Charleston Co. United States	Shoremeade Rd. / Indigo Market Dr. / James Nelson Rd. (32.83006, -79.83643)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2017
Mount Pleasant, SC Charleston Co. United States	Franke Dr. / Augsburg Dr. (32.82074, -79.82078)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Mount Pleasant, SC Charleston Co. United States	Magnolia Woods Dr. / Palmetto Peninsula Dr. (32.81654, -79.82129)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Mount Pleasant, SC Charleston Co. United States	Magnolia Woods Dr. / Old Cypress Woods (32.81404, -79.81670)	Other Existing	All-Way Yield Unknown	3 Approaches 4 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands; parking on circulatory roadway.
Sea Pines, SC Beaufort Co. United States	Greenwood Dr. / Lighthouse Rd. (32.13151, -80.79620)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Sea Pines, SC Beaufort Co. United States	78 Dunnagans Alley (32.15734, -80.75987)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2012).
Mount Pleasant, SC Charleston Co. United States	Bay Tree Cir. / Fowler Ct. / Beresford Ct. (32.80610, -79.87826)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Lecco, Lombardy Lecco Italy	Galleria Valsassina / Via Valsugana / Via Tonio da Belledo (45.84611, 9.41024)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lecco, Lombardy Lecco Italy	Via Tonio da Belledo / Via Risorgimento (45.84785, 9.41120)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lecco, Lombardy Lecco Italy	Via Eremo / Via Tonio da Belledo / Via Filanda (45.85088, 9.41429)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lecco, Lombardy Lecco Italy	Via Eremo / Via Belfiore (45.85374, 9.41258)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lecco, Lombardy Lecco Italy	Via Filanda / Viale Lombardia (45.85301, 9.41639)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lecco, Lombardy Lecco Italy	Viale Redipuglia / Via Celestino Ferrario (45.85599, 9.41191)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lecco, Lombardy Lecco Italy	Viale Montegrappa / Corso Promessi Sposi (45.85854, 9.40907)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lecco, Lombardy Lecco Italy	Corso Giacomo Matteotti / Viale Tonale (45.86381, 9.40350)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Peanut shaped.
Lecco, Lombardy Lecco Italy	Via Montanara / Via Pasubio / Via Col di Lana (45.86128, 9.39277)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lecco, Lombardy Lecco Italy	Galleria San Martino / Corso Giacomo Matteotti (45.85894, 9.39627)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lecco, Lombardy Lecco Italy	Galleria San Martino / Via 11 Febbraio / Via Don Giuseppi Pozzi (45.85813, 9.39721)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lecco, Lombardy Lecco Italy	Via Giovan Battista Grassi / Via Alessandro Volto / Via Giuseppi Resinelli / Corso Giocomo Matteotti (45.85687, 9.39242)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lecco, Lombardy Lecco Italy	Via Alcide de Gaspari / Via Santo Stefano (45.86427, 9.38658)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Valmadrera, Lombardy Lecco Italy	SP583 / Viale Promessi Sposi (45.85750, 9.36597)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Raindrop shaped.
Valmadrera, Lombardy Lecco Italy	SP 583 / Strada Lariana (45.85815, 9.36599)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Malgrate, Lombardy Lecco Italy	Via Gaggio / Via San Grato / Via Ugo Foscolo (45.84907, 9.37694)	Other Existing	All-Way Stop Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Rosebud, Victoria Mornington Peninsula Australia	Eastbourne Rd. / Jetty Rd. (-38.36791, 144.90871)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Left-turn-only lanes on north and south legs.
Liberty, MO Clay Co. United States	S Stewart Rd. / (parking) (39.24344, -94.45337)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5277	Other (At-Grade) Single-Lane	2016	Add-lane right-turn bypass lane on south leg.
Liberty, MO Clay Co. United States	N Stewart Rd. / College St. / Conistor Ln. / (parking) (39.24629, -94.45100)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2002	Year Completed estimated (1997-2003).
Liberty, MO Clay Co. United States	College St. / N Blue Jay Dr. (39.24628, -94.44898)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2005
Kansas City, MO Clay Co. United States	N Mercier St. / N Summit St. (39.19389, -94.59236)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.3400	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2017).
Valmadrera, Lombardy Lecco Italy	Viale 25 Aprile 64 / Via Santa Vecchia (45.84050, 9.35758)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Circular shaped. Part of "exclamation point" system.
Valmadrera, Lombardy Lecco Italy	Via Santa Vecchia / Via Casnedi (45.84038, 9.35709)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane		Raindrop shaped. Part of "exclamation point" system.
Valmadrera, Lombardy Lecco Italy	Via Casnedi / Via San Rocco / Via Monsignor Arturo Pozzi / Via 4 Novembre (45.84224, 9.35243)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Civate, Lombardy Lecco Italy	Via Papa Giovanni XXIII / Via San Paolo (45.83385, 9.35067)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Civate, Lombardy Lecco Italy	SP51 / Via alla Santa / SS639 Ramps (45.83149, 9.35179)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Civate, Lombardy Lecco Italy	SS639 / (unknown) (45.82711, 9.35055)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Galbiate, Lombardy Lecco Italy	SP51 / SS36 Ramps (45.82683, 9.35507)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Malgrate, Lombardy Lecco Italy	Via Piedmonte / Via Gaggio (45.84655, 9.36932)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lecco, Lombardy Lecco Italy	Galleria San Martino / Via Giuseppi Badoni (45.85173, 9.40085)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Whiteoak, NC Mecklenburg Co. United States	Atkins Circle (35.06815, -80.84542)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2004
San Mateo Park, CA San Mateo Co. United States	Edgewood Rd. / Clark Dr. / Midway Ave. (37.56598, -122.34956)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands or control.
San Mateo Park, CA San Mateo Co. United States	W Bellevue Ave. / Dorchester Rd. (37.56727, -122.34429)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands or control.
San Mateo Park, CA San Mateo Co. United States	Warren Rd. / Costa Rica Ave. (37.56965, -122.34751)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on two legs; no control.
San Mateo Park, CA San Mateo Co. United States	Clark Dr. / Crescent Ave. (37.56928, -122.34362)	Other Existing	All-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
San Mateo Park, CA San Mateo Co. United States	Warren Rd. / Crescent Ave. (37.57129, -122.34558)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands or control.
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/
Niagara-on-the-Lake, ON Niagara Canada	ON-55 (Niagara Stone Rd.) / Concession 6 Rd. (43.21083, -79.13622)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.0000	Other (At-Grade) Single-Lane	2014
Hamilton, ON Hamilton Canada	Whittington Dr. / Raymond Rd. (43.21417, -79.93589)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.0000	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2009-2012). Splitter islands added 2015.
Hamilton, ON Hamilton Canada	Robertson Rd. / Raymond Rd. (43.21206, -79.93525)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2011	No splitter islands. Year Completed estimated (2009-2012).
Hamilton, ON Hamilton Canada	Raymond Rd. / Irwin Ave. (43.21613, -79.93984)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.0000	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2009-2012). Splitter islands added 2016-2017.
Hamilton, ON Hamilton Canada	Stonehenge Dr. / Raymond Rd. (43.21855, -79.94298)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 30.0000	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2011). Splitter islands added 2012-2013.
Hamilton, ON Hamilton Canada	Stonehenge Dr. / Meadowlands Blvd. (43.21763, -79.94515)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 30.0000	Other (At-Grade) Single-Lane	2003	Year Completed estimated (before 2004). Flush splitter islands added 2012-2014. Borderline roundabout.
Hamilton, ON Hamilton Canada	Stonehenge Dr. / Thoroughbred Blvd. (43.21655, -79.95150)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.0000	Other (At-Grade) Single-Lane	1998	Year Completed estimated (before 2004).
North Auburn, WA King Co. United States	K St. SE / 2nd St. SE (47.30617, -122.21619)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.