Roundabouts Database

29554 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
Flagami, FL
Miami-Dade Co.
United States 		SW 4th St. / SW 68th Ave.
(25.76675, -80.30603) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane 		2006
Miami, FL
Miami-Dade Co.
United States 		SW 14th St. / SW 31st Ave.
(25.75943, -80.24478) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane 		2008 One-stage pedestrian crossings. Year Completed estimated (2007-2009).
Miami, FL
Miami-Dade Co.
United States 		SW 19th St. / SW 29th Ave.
(25.75401, -80.24043) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2009).
Ballard, WA
King Co.
United States 		NW 77th St. / Mary Ave. NW
(47.68508, -122.37547) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Crown Hill, WA
King Co.
United States 		NW 7tth St. / 19th Ave. NW
(47.68504, -122.38110) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Ballard, WA
King Co.
United States 		NW 77th St. / 18th Ave. NW
(47.68505, -122.38004) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Greenwood, WA
King Co.
United States 		N 83rd St. / Dayton Ave. N
(47.68913, -122.35260) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Greenwood, WA
King Co.
United States 		Fremont Ave. N / N 83rd St.
(47.68912, -122.34992) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Greenwood, WA
King Co.
United States 		Fremont Ave. N / N 82nd St.
(47.68839, -122.34992) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Greenwood, WA
King Co.
United States 		N 82nd St. / Dayton Ave. N
(47.68840, -122.35261) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Crown Hill, WA
King Co.
United States 		1st Ave. NW / NW 82nd St.
(47.68839, -122.35799) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Greenwood, WA
King Co.
United States 		NW 82nd St. / 6th Ave. NW
(47.68839, -122.36333) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Crown Hill, WA
King Co.
United States 		NW 81st St. / 6th Ave. NW
(47.68766, -122.36334) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Crown Hill, WA
King Co.
United States 		1st Ave. NW / NW 81st St.
(47.68767, -122.35797) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Wilmington, NC
New Hanover Co.
United States 		Kornegay Ave. / McClammy St.
(34.25321, -77.91018) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2003
Scottsdale, AZ
Maricopa Co.
United States 		N. 74th St. / E. Sweetwater Ave.
(33.60395, -111.92155) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Unknown 		2003 Modified by City in 2005 to improve operation as roundabout. 21442
Wildwood, MO
St. Louis Co.
United States 		Old Fairway Dr. / Nantucket Island Dr.
(38.56696, -90.61728) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.8088 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Peter J Shields Ave. / East Quad
(38.54061, -121.74820) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.8150 		Other (At-Grade)
Unknown 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Sandy Springs, GA
Fulton Co.
United States 		Glenridge Dr. / Mabry Rd.
(33.94720, -84.36482) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.8429 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Milnerton, Western Cape
Cape Town
South Africa 		Summer Greens Dr. / Heath Rd.
(-33.87917, 18.52657) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
16.8563 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		ICD estimated from Google Maps linework.
Fullerton, CA
Orange Co.
United States 		W Wilshire Ave. / N Ford Ave.
(33.87234, -117.93092) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.8577 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Redondo Beach, CA
Los Angeles Co.
United States 		Calle Miramar / Paseo de la Playa
(33.81518, -118.38960) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.8690 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Densmore Ave. N / N 137th St.
(47.72867, -122.33830) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
16.8705 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Limhamn, Skane County
Malmo
Sweden 		Limhamnsvägen / Geijersgatan
(55.59018, 12.94181) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
16.8731 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Atlanta, GA
DeKalb Co.
United States 		McClendon Ave. NE / Howard Cir. NE
(33.76445, -84.32222) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
16.8790 		Other (At-Grade)
Single-Lane 		2004 No deflection on entries. 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.
Redmond, WA
King Co.
United States 		Eastridge Dr. NE / 244th Pl. NE
(47.68499, -122.01300) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
16.8846 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2014 Open July 2014. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Burke Ave. N / N 44th St.
(47.66031, -122.33500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
16.8926 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Sunnyside Ave. N / N 42nd St.
(47.65794, -122.33020) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
16.8934 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Corliss Ave. N / N 37th St.
(47.65195, -122.33150) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
16.8953 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Enköping, Uppsala County
Enköping
Sweden 		Genvägen / Skolgatan / Kyrkogatan
(59.63807, 17.08144) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
16.9032 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Saint-Louis-lès-Bitche, Grand Est
Haut-Rhin
France 		D12B1 / (unknown)
(47.61128, 7.52003) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
16.9085 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		N 124th St / E Columbine Dr
(33.59817, -111.81338) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
16.9116 		Unknown
Single-Lane 		2006 ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		E. Mountain View Rd. / N. Central Ave.
(33.57510, -112.07360) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
16.9162 		Other (At-Grade)
Single-Lane 		2006 Mini-roundabout ICD estimated from Google Maps linework.
Kelowna, BC
Central Okanagan
Canada 		Valley Rd. / Longhill Rd. / Cross Rd.
(49.92019, -119.43406) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
16.9174 		Other (At-Grade)
Single-Lane 		2016 Elliptical shape. ICD estimated from Google Maps linework.
Litchfield Park, AZ
Maricopa Co.
United States 		Wigwam Creek Blvd. / N. Rattler Way
(33.51643, -112.32870) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.9277 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		W Riverwood Blvd. / W Kirby Ave.
(33.41608, -112.27480) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.9473 		Other (At-Grade)
Single-Lane 		2002 Painted splitter islands. ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		South 20th Drive. / (none)
(33.37556, -112.10290) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
16.9552 		Other (At-Grade)
Single-Lane 		2003 Neighborhood traffic calming. ICD estimated from Google Maps linework.
Savage, MN
Scott Co.
United States 		S Park Dr. / Louisiana Ave. S
(44.73930, -93.36903) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.9670 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2016 http://www.minnesotatzd.org/events/conference/2019/documents/powerpoints/27_Stein.pdf ICD estimated from Google Maps linework.
Melbourne, VIC

Australia 		Glen Eira Rd. / Kambrook Rd. / Booran Rd.
(-37.88142, 145.03465) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
1 Driveways
16.9679 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Sliedrecht, South Holland
Sliedrecht
Netherlands 		Stationsweg / Rembrandtlaan
(51.82308, 4.77236) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
16.9787 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Jakobsberg, Stockholm County
Järfälla
Sweden 		Folkungavägen / Tornérvägen
(59.42147, 17.83922) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
17.0122 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Jakobsberg, Stockholm County
Järfälla
Sweden 		Herrestavägen / Kalvshällavägen
(59.41375, 17.86155) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
17.0160 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Helenelund, Stockholm County
Sollentuna
Sweden 		Radanvägen / Silverbäcksvägen
(59.40018, 17.98784) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.0229 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Saint-Herblain, Loire Region
Loire-Atlantique
France 		Avenue de la Bouvardière / Avenue des Genets
(47.23857, -1.59349) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.0286 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Nantes, Pays de la Loire
Loire-Atlantique
France 		Boulevard du Massacre / Rue Louis le Nain
(47.22685, -1.60065) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
17.0324 		Other (At-Grade)
Single-Lane 		Part of double roundabout. ICD estimated from Google Maps linework.
Lidingö, Stockholm County
Lidingö
Sweden 		Killingevägen / Enbärsvägen / Åkerbärsvägen
(59.35778, 18.20960) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.0442 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Haga, Stockholm County
Solna
Sweden 		Solna kyrkväg / Karolinska Vägen
(59.35376, 18.03281) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
17.0462 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Macon, GA
Bibb Co.
United States 		Oglethorpe St. / College St.
(32.83378, -83.64483) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.0600 		Other (At-Grade)
Single-Lane 		2014 Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Gustavsberg, Stockholm County
Värmdö
Sweden 		Gustavsbergs Allé / Villagatan / Wilhelm Kåges Gata
(59.32199, 18.38704) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.0621 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Spokane, WA
Spokane Co.
United States 		E 43rd Ave. / S Ivory St.
(47.61493, -117.39182) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
17.0685 		Other (At-Grade)
Single-Lane 		2020 No splitter islands.
Belize City, Belize

Belize 		Western Hwy. / Fabers Rd. / Chetumal St.
(17.49991, -88.22232) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.0858 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Lynchburg, VA
Lynchburg City Co.
United States 		University Blvd. / Williams Stadium Rd.
(37.35301, -79.17631) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
17.0890 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2015 Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
Stockholm, Stockholm County
Stockholm
Sweden 		Farstavägen / Forshagagatan
(59.24621, 18.09028) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.1002 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Kimberly, WI
Outagamie Co.
United States 		S Railroad St. / W Kennedy Ave.
(44.26087, -88.33906) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.1068 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Noosa Heads, QLD

Australia 		Noosa Parade / (unknown)
(-26.38826, 153.09063) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
17.1181 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Södertälje, Stockholm County
Södertälje
Sweden 		(Genetaleden connector) / (parking lot)
(59.18688, 17.57672) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.1299 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Fort Lauderdale, FL
Broward Co.
United States 		N Dixie Hwy. / NE 16th Ct.
(26.14835, -80.13364) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.1535 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Lincoln, NE
Lancaster Co.
United States 		N 21st St. / Folkways Blvd.
(40.86681, -96.69003) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
17.1606 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Jackson, MS
Hinds Co.
United States 		Capitol St. / Farish St.
(32.30034, -90.18851) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.1618 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2014 ICD estimated from Google Maps linework.
New Westminster, BC
Greater Vancouver Regional District
Canada 		10th St. / Carnarvon St.
(49.20056, -122.91550) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
17.1686 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Miami Gardens, FL
Miami-Dade Co.
United States 		NW 7th Ave. / NW 194th Terr.
(25.95274, -80.21368) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.1822 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Surrey, BC
Greater Vancouver
Canada 		160 St. / 82 Ave.
(49.15184, -122.77886) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.1855 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Whitchurch-Stouffville, ON
York
Canada 		Hoover Park Dr. / 10th Line
(43.96791, -79.23045) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.1919 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2011 - streetview) ICD estimated from Google Maps linework.
Montigny-lès-Metz, Grand Est
Moselle
France 		Rue du Président John Fitzerald Kennedy / Rue de Marly
(49.08871, 6.15886) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.2074 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Auckland, Auckland
Auckland City
New Zealand 		Albert Rd. / Lake Rd.
(-36.82471, 174.79855) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
17.2085 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Gothenburg, Vastra Gotaland County
Gothenburg
Sweden 		Blomstergatan / Gronsaksgatan
(57.72059, 11.99777) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
17.2214 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Ajax, ON
Durham
Canada 		Pickering Beach Rd. / Foord Rd. / Rollo Dr.
(43.83683, -79.00444) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.2297 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2007 https://www.durhamregion.com/news-story/3476434-roundabouts-bring-calls-both-good-and-bad/ ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Wilson Ave. / Melissa Dr.
(40.37793, -105.11596) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
17.2867 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005). ICD estimated from Google Maps linework.
Charlottetown, PE
Queens
Canada 		Mt Edward Rd. / Allen St.
(46.24812, -63.12499) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.3444 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2006-2013). ICD estimated from Google Maps linework.
East Hempfield Township, PA
Lancaster Co.
United States 		Running Pump Rd. / Old Tree Dr. / Noll Dr.
(40.04900, -76.37351) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.3708 		Other (At-Grade)
Single-Lane 		2019 https://lancasteronline.com/news/local/roundabouts-to-open-in-lancaster-county-next-week-how-popular/article_b5feba16-e617-11e9-895e-43afa2169002.html ICD estimated from Google Maps linework.
Advance, NC
Davie Co.
United States 		NC 801 / I-40 EB Ramps
(36.00655, -80.44083) 		Roundabout
Removed 		All-Way Yield
None 		3 Approaches
0 Driveways
17.3907 		Freeway Ramps (Grade-Separated)
Single-Lane 		2002 Developer-built "temporary" intersection fix. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Wake Forest, NC
Wake Co.
United States 		Bratt Ave. / Gross Ave.
(35.91758, -78.53182) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.4103 		Other (At-Grade)
Single-Lane 		No splitter islands. ICD estimated from Google Maps linework.
Wake Forest, NC
Wake Co.
United States 		Gross Ave. / Bratt Ave.
(35.91758, -78.53184) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.4103 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Wake Forest, NC
Wake Co.
United States 		Kaplan Woods Way / Gross Ave.
(35.91468, -78.53144) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.4110 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Norrköping, Ostergotland County
Norrköping
Sweden 		Koppargatan / (parking lots)
(58.61925, 16.15405) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.4136 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Manchester, VT
Bennington Co.
United States 		Main St. / Bonnet St.
(43.17692, -73.05688) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
17.4191 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2013 ICD estimated from Google Maps linework.
Thomasville, NC
Davidson Co.
United States 		Davidson Community College Parking Area
(35.86610, -80.18245) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
17.4217 		Other (At-Grade)
Single-Lane 		Painted splitter islands on two legs. ICD estimated from Google Maps linework.
Cary, NC
Wake Co.
United States 		Ledsome Ln. / (parking lots)
(35.76283, -78.74796) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
17.4443 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Apex, NC
Wake Co.
United States 		Danvers Loop / Dalton Ridge Pl. / Larabee Ln.
(35.75109, -78.84076) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
17.4469 		Other (At-Grade)
Single-Lane 		2019 No splitter islands. ICD = 80 ft. ICD estimated from Google Maps linework.
Brookfield, WI
Waukesha Co.
United States 		North Ave. (CTH M) / Brookfield Rd.
(43.06123, -88.14588) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.4521 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
(unincorporated), FL
Nassau Co.
United States 		Flora Parke Blvd. / Grand Parke Blvd.
(30.61552, -81.54153) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
17.4733 		Other (At-Grade)
Single-Lane 		2001 Functional Class: Local ICD estimated from Google Maps linework.
Douglas,
Middle Sheading
Isle of Man 		Peel Rd. / Braddan Rd.
(54.16134, -4.50503) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
17.4821 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Iida, Nagano

Japan 		Towa-cho
(35.51955, 137.82444) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
17.4975 		Unknown
Single-Lane 		2013 First roundabout in Japan. ICD estimated from Google Maps linework.
Malmo, Skane County
Malmo
Sweden 		Västra Varvsgatan / Skeppsbyggaregatan
(55.60678, 12.97905) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
17.5406 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
(unincorporated), FL
St. Johns Co.
United States 		Spinnakers Reach Dr. / Summer Pl.
(30.19334, -81.36563) 		Other
Existing 		Other
None 		4 Approaches
0 Driveways
17.5491 		Other (At-Grade)
Single-Lane 		Functional Class: Local. Year Completed unknown (before 1994). ICD estimated from Google Maps linework.
Windsor Mill, MD
Baltimore Co.
United States 		Lord Baltimore Dr. / Glen Spring Rd. / Kettle Ct.
(39.31750, -76.75152) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.5558 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2002). ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 7th Ave. / NE Cook St.
(45.54717, -122.65859) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
17.5647 		Other (At-Grade)
Single-Lane 		1992 Completed 1/9/1992. ICD estimated from Google Maps linework.
Charlotte, NC
Mecklenburg Co.
United States 		Park Rd. / Brookside Ave. / Tremont Ave.
(35.20321, -80.85256) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
17.5662 		Other (At-Grade)
Single-Lane 		2003 City- possible traffic calming location. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 14th Ave. / SE Taylor St.
(45.51507, -122.65166) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
17.5747 		Other (At-Grade)
Single-Lane 		1988 Completed 9/12/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 13th Ave. / SE Salmon St.
(45.51434, -122.65264) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
17.5750 		Other (At-Grade)
Single-Lane 		1989 Completed 1/11/1989. ICD estimated from Google Maps linework.
Columbia, MD
Howard Co.
United States 		Banneker Rd. / Cul-de-sac
(39.21141, -76.87041) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
17.5824 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Conway, AR
Faulkner Co.
United States 		Van Ronkle St. / Markham St. / Chestnut St.
(35.09176, -92.44000) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
17.5903 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2019 https://conwayarkansas.gov/news/conway-arkansas-build-25th-roundabout-construction-starts-monday/. ICD estimated from Google Maps linework.
Fitchburg, MA
Worcester Co.
United States 		Electric Ave. / Rollstone Rd. / Rollstone St.
(42.56713, -71.81346) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.5921 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2017 https://www.sentinelandenterprise.com/2017/04/29/work-on-roundabout-at-rollstone-road-and-electric-ave-in-fitchburg-begins-monday-will-require-detour/ ICD estimated from Google Maps linework.
Vellinge, Skane County
Vellinge
Sweden 		Falsterbovägen / Norrevångsgatan / Södervångsgatan
(55.46813, 13.01464) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.6026 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Leesburg, VA
Loudoun Co.
United States 		Catoctin Cir. NE / North St. NE
(39.11677, -77.55249) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.6060 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Tureberg, Stockholm County
Sollentuna
Sweden 		Sollentunavägen / Bergsbovägen
(59.42779, 17.95339) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.6165 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France
Somme
France 		Place des Déportés et Internés
(50.10994, 1.84476) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
17.6167 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France
Somme
France 		D928 / Boulevard de la Portelette
(50.10084, 1.82903) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
17.6200 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		ICD estimated from Google Maps linework.
Vaxjo, Kronoberg County
Vaxjo
Sweden 		Marketenterivägen / (unknown)
(56.87736, 14.76978) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.6208 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.