Roundabouts Database Index

29465 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
Newnan, GA Coweta Co. United States	Martin Luther King Jr. Dr. / Newnan Rd. / Poplar Rd. / Turkey Creek Rd. (33.36307, -84.77959)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.9077	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Newnan, GA Coweta Co. United States	Greison Trl. / McIntosh Pkwy. (33.37731, -84.78014)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.8911	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Monroe, GA Walton Co. United States	GA 81 / Monroe Hwy.-Bold Springs Rd. (33.90088, -83.80157)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.5736	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Johns Creek, GA Fulton Co. United States	Sargent Rd. / Crossington Rd. (34.06858, -84.18933)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 20.7762	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Johns Creek, GA Fulton Co. United States	Sargent Rd. / Windbrooke Way / Lexington Woods Dr. (34.06892, -84.19991)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 17.8081	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Kiawah Island, SC Charleston Co. United States	Kiawah Island Pkwy. / Betsy Kerrison Pkwy. / Village Green Ln. (32.60786, -80.14981)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 56.3403	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Southfield, MI Oakland Co. United States	Winchester St. / Devonshire St. (42.49321, -83.25204)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways 23.1648	Other (At-Grade) Single-Lane	2019	https://www.cityofsouthfield.com/Portals/0/docs/Public%20Works/Roundabout%20FAQ_Section%2015%20Phase%20II.pdf ICD estimated from Google Maps linework.
Stockbridge, GA Henry Co. United States	GA 138 / Hemphill Rd. (33.55716, -84.17061)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.7874	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Buford, GA Gwinnett Co. United States	Sardis Church Rd. / Doc Hughes Rd. / Sedgeview Ln. NE (34.08633, -83.90215)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.6632	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Rosmalen, North Brabant 's-Hertogenbosch Netherlands	Laaghemaal / Vlietdijk (51.72572, 5.35943)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.5512	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Rosmalen, North Brabant 's-Hertogenbosch Netherlands	Schoolstraat / Rodenborchweg (51.71996, 5.36453)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 21.4569	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Rosmalen, North Brabant 's-Hertogenbosch Netherlands	Deken van Roestellaan / A59 Ramps (51.70896, 5.38154)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.6643	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
's-Hertogenbosch, North Brabant 's-Hertogenbosch Netherlands	Beusingsedijk / N279 Offramp / Orionpad (51.68285, 5.36804)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.4680	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Rosmalen, North Brabant 's-Hertogenbosch Netherlands	Jan Heijmanslaan / Pastoor van Thiellaan (51.69839, 5.34112)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.1684	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
's-Hertogenbosch, North Brabant 's-Hertogenbosch Netherlands	Victorialaan / Aartshertogenlaan (51.69967, 5.33138)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 54.0364	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Florissant, MO St. Louis Co. United States	Vaile Ave. / Old Halls Ferry Rd. (38.83294, -90.29315)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.4231	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Troy, MO Lincoln Co. United States	S Lincoln Dr. / Bueneman Ln. / US 61 NB Ramps (38.96739, -90.95594)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 39.9296	Freeway Ramps (Grade-Separated) Single-Lane	2013	ICD estimated from Google Maps linework.
Troy, MO Lincoln Co. United States	S Lincoln Dr. / US 61 SB Ramps (38.96664, -90.95804)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.6444	Freeway Ramps (Grade-Separated) Single-Lane	2013	ICD estimated from Google Maps linework.
Troy, MO Lincoln Co. United States	S Lincoln Dr. / S 3rd St. / Old Moscow Mills Rd. (38.96606, -90.95936)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.3592	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Lebanon, TN Wilson Co. United States	Public Square (Main St. / Cumberland St.) (36.20798, -86.29111)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.5471	Other (At-Grade) Single-Lane	2015	Rebuilt town square; previously was mostly a parking lot. ICD estimated from Google Maps linework.
Murfreesboro, TN Rutherford Co. United States	W Lytle St. / W College St. (35.84858, -86.39724)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.7872	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Irvington, AL Mobile Co. United States	Hwy 24 (Half Mile Rd.) / Hwy 19 (Irvington-Bayou La Batre Hwy.) (30.49445, -88.23393)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.2816	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Fairhope, AL Baldwin Co. United States	Fairhope Ave. / Oberg Rd. (30.52379, -87.86932)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.4120	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
LaGrange, GA Troup Co. United States	Broad St. / Country Club Rd. (33.03996, -85.04474)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 33.0394	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Covington, LA St. Tammany Par. United States	LA-1085 / Ochsner Blvd. / Francis Rd. (30.46681, -90.15044)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8532	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Montgomery, AL Montgomery Co. United States	Dexter Ave. / Commerce St. / S Court St. (32.37737, -86.30919)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.2597	Other (At-Grade) Single-Lane		Parking along the outer circle; sidewalk around the centtral island. ICD estimated from Google Maps linework.
Sydney, NS Cape Breton Canada	George St. / Hwy 125 EB Ramps / Louisbourg Hwy. (46.11459, -60.16760)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.8803	Freeway Ramps (Grade-Separated) Single-Lane	2014	ICD estimated from Google Maps linework.
Sydney, NS Cape Breton Canada	Churchill Dr. / Hwy 125 WB Ramps (46.10795, -60.18697)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.3697	Freeway Ramps (Grade-Separated) Single-Lane	2014	ICD estimated from Google Maps linework.
Cape Breton, NS Cape Breton Canada	Churchill Dr. / Hwy 125 EB Ramps (46.10643, -60.18726)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.7149	Freeway Ramps (Grade-Separated) Single-Lane	2014	ICD estimated from Google Maps linework.
Saguenay, QC Saguenay Canada	Rue Jacques-Cartier E / Rue du Foyer / Rue des Franciscaines (48.42346, -71.03839)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.3626	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2005). ICD estimated from Google Maps linework.
Yucaipa, CA San Bernardino Co. United States	Yucaipa Blvd. / California St. (34.03389, -117.03884)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.7745	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
Yucaipa, CA San Bernardino Co. United States	Yucaipa Blvd. / 2nd St. (34.03390, -117.04319)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.7642	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
Fairview, CA Alameda Co. United States	Fairview Ave. / Five Canyons Pkwy. / East Ave. (Star Ridge Rd.) (37.67520, -122.03220)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.7965	Other (At-Grade) Single-Lane	1998	https://www.sfgate.com/bayarea/article/COMMUTER-CHRONICLES-IN-A-ROUNDABOUT-WAY-The-2975842.php ICD estimated from Google Maps linework.
Hayward Highland, CA Alameda Co. United States	Fairview Ave. / Hayward Blvd. / Stonebrae Country Club Dr. (37.65432, -122.01743)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.7681	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Avenida Plutarco / Calle Eolo (36.72097, -4.47473)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.8661	Other (At-Grade) Single-Lane		Parking on circulatory roadway. ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Avenida Plutarco / Avenida Parmenides (36.72148, -4.47997)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 50.7377	Other (At-Grade) Single-Lane		Parking on circulatory roadway. ICD estimated from Google Maps linework.
Málaga, Andalusia Málaga Spain	Avenida Plutarco / Calle Aristofanes (36.72106, -4.48197)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.6343	Other (At-Grade) Single-Lane		Parking on circulatory roadway. ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	W Angela Blvd. / Riverside Dr. (41.69334, -86.26413)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6465	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Kings Beach, CA Placer Co. United States	N Lake Blvd. / Coon St. (39.23589, -120.02207)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.6021	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Kings Beach, CA Placer Co. United States	N Lake Blvd. / Bear Ave. / Brook Ave. / (beach parking) (39.23681, -120.02465)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.0514	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Winters, CA Yolo Co. United States	SR 128 (E Grant Ave.) / Walnut Ln. / (parking lot) (38.52629, -121.96733)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8992	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Lakeport, CA Lake Co. United States	Todd Rd. / Parallel Dr. (39.03226, -122.92521)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.5433	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-2003). ICD estimated from Google Maps linework.
North Liberty, IA Johnson Co. United States	North Liberty Rd. NE / Dubuque St. NE (41.73359, -91.57568)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7807	Other (At-Grade) Single-Lane	2016	https://northlibertyiowa.org/2016/09/26/trail-closure-on-dubuque-street-trail-roundabout-nearing-completion/# ICD estimated from Google Maps linework.
Saint-Jérôme, QC La Rivière-du-Nord Regional County Municipality Canada	Rue Lamontagne / Rue de Montigne O (45.77599, -74.05012)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2002-2009).
St-Jean-Sur-Richelieu, QC Le Haut-Richelieu Regional County Municipality Canada	Rue des Colibris / (parc access) (45.35948, -73.28314)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 52.0306	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Sherbrooke, QC Sherbrooke Canada	Rue Henri-Labonne / Boulevard René-Lévesque (45.37523, -71.99868)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 27.6860	Other (At-Grade) Single-Lane	2018	https://translate.google.com/translate?hl=en&sl=fr&u=https://www.ville.sherbrooke.qc.ca/salle-de-presse/actualites/dossiers-municipaux/construction-du-boulevard-rene-levesque/ shows 2 other roundabouts on Boulevard René-Lévesque. ICD estimated from Google Maps linework.
Conway, NH Carroll Co. United States	North-South Rd / (Walmart parking) (44.01823, -71.10901)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.2134	Other (At-Grade) Single-Lane	2014	https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/nh_roundabouts_list_details_web_version.pdf ICD estimated from Google Maps linework.
Lancaster, NH Coos Co. United States	US 2 (Main St.) / US 3 (44.49690, -71.57632)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.9279	Other (At-Grade) Single-Lane	2016	https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/nh_roundabouts_list_details_web_version.pdf ICD estimated from Google Maps linework.
Warner, NH Merrimack Co. United States	Rte 103 / (shopping center parking) / (service station) (43.28882, -71.83340)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.5582	Other (At-Grade) Single-Lane	2016	https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/nh_roundabouts_list_details_web_version.pdf ICD estimated from Google Maps linework.
Concord, NH Merrimack Co. United States	Manor Rd. / Abbott Rd. (43.26422, -71.57349)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2018	https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/nh_roundabouts_list_details_web_version.pdf
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.
Pascagoula, MS Jackson Co. United States	Hospital Rd. / Old Mobile Hwy. (30.36849, -88.53333)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 88.6193	Other (At-Grade) Single-Lane	2017	http://cityofpascagoula.com/482/Hospital-Road-Improvements ICD estimated from Google Maps linework.
Upper Allen Township, PA Cumberland Co. United States	W Lisburn Rd. / Grantham Rd. (40.16298, -76.99018)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 16.4290	Other (At-Grade) Single-Lane	2018	https://www.abc27.com/news/top-video/new-traffic-circle-opens-in-upper-allen_20181003215307/1495637846 ICD estimated from Google Maps linework.
Cranberry Township, PA Butler Co. United States	N Boundary Rd. / Marshall Rd. (40.72428, -80.10002)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 19.9129	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Gettysburg, PA Adams Co. United States	Lincoln Square (Chamberburg St. / York St. / Carlisle St. / Baltimore St.) (39.83092, -77.23112)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.1838	Other (At-Grade) Single-Lane		Diagonal parking around circulatory roadway; pedestrian access to center island; no splitter islands. ICD estimated from Google Maps linework.
Concord, VA Campbell Co. United States	Village Hwy. / Doss Rd. / Spring Mill Rd. (37.33438, -78.98112)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2019).
Sherbrooke, QC Sherbrooke Canada	Route 112 / Autoroute 610 (45.42954, -71.82424)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 56.9951	Freeway Ramps (Grade-Separated) Single-Lane	2011	Free-flowing right-turn bypass lanes on all legs. Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
Waterville, QC Coaticook Regional County Municipality Canada	Route Gilbert-Hyatt (Rte 108-Rte 143) / Rte 147 (45.34374, -71.86662)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.6507	Other (At-Grade) Single-Lane	2011	Year Completed based on Streetview. ICD estimated from Google Maps linework.
Lennoxville, QC Sherbrooke Canada	Rte 108 / Autoroute 410 WB Onramp (45.35581, -71.86037)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 0 Driveways 52.8732	Freeway Ramps (Grade-Separated) Single-Lane	2011	Future third approach (off-ramp) stubbed. ICD estimated from Google Maps linework.
Lennoxville, QC Sherbrooke Canada	Rte 108 / Autoroute 410 EB Offramp (45.35401, -71.86207)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 52.8749	Freeway Ramps (Grade-Separated) Single-Lane	2011	Fourth leg (future on-ramp) stubbed. ICD estimated from Google Maps linework.
Hatley Canton, QC Memphrémagog Regional County Municipality Canada	Rue Belvédère / Autoroute 410 WB Ramps (45.36010, -71.89496)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.9597	Freeway Ramps (Grade-Separated) Single-Lane	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Hatley Canton, QC Memphrémagog Regional County Municipality Canada	Rue Belvédère / Autoroute 410 EB Ramps (45.35780, -71.89470)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.4437	Freeway Ramps (Grade-Separated) Single-Lane	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
West Friendship, MD Howard Co. United States	Burntwoods Rd. / Andrea Dr. / MD 32 NB Ramps (39.27321, -76.98627)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.1338	Freeway Ramps (Grade-Separated) Single-Lane	2008	ICD estimated from Google Maps linework.
Glenelg, MD Howard Co. United States	Burntwoods Rd. (MD 932B) / Ten Oaks Rd. (MD 932C) (39.27315, -76.98805)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.9074	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Glenelg, MD Howard Co. United States	Ten Oaks Rd. / Pfefferkorn Rd. / MD 32 SB Ramps (39.27615, -76.98641)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.3587	Freeway Ramps (Grade-Separated) Single-Lane	2008	ICD estimated from Google Maps linework.
Glenwood, MD Howard Co. United States	Burntwoods Rd. / Sharp Rd. (39.27702, -77.00369)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.5847	Other (At-Grade) Single-Lane	2006	Adjacent to Glenelg High School. ICD estimated from Google Maps linework.
Dale, WI Outagamie Co. United States	US 45 / STH 96 (Wisconsin Rd.) (44.27234, -88.73946)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.0622	Other (At-Grade) Single-Lane	2018	date: https://www.whby.com/2018/04/15/roundabout-project-to-start-at-hwys-45-96/# ICD estimated from Google Maps linework.
Highland, IL Madison Co. United States	Broadway / Poplar St. (38.73957, -89.67148)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 44.7156	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
O'Fallon, IL St. Clair Co. United States	Milburn School Rd. / Merriam Pkwy. / Milburn Estates Dr. (38.61429, -89.94506)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1966	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
O'Fallon, IL St. Clair Co. United States	Old Vincennes Trl. / Seven Hills Rd. / E State St. (38.59342, -89.89246)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.4056	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Marion, IL Williamson Co. United States	N Russell St. / W Boulevard St. (37.73692, -88.94186)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.8347	Other (At-Grade) Single-Lane	2015	date: https://www.kfvs12.com/story/29497509/marion-to-install-roundabout-at-busy-intersection/ ICD estimated from Google Maps linework.
Aurora, IL Kane Co. United States	Sullivan Rd. / N Highland Ave. (41.78864, -88.32894)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 28.4960	Other (At-Grade) Single-Lane	2016	date: https://www.linkedin.com/pulse/new-roundabout-opens-aurora-il-kevin-kassay ICD estimated from Google Maps linework.
Caldwell, ID Canyon Co. United States	E Ustick Rd. / Indiana Ave. (43.63363, -116.67304)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.3055	Other (At-Grade) Single-Lane	2013	date: https://caldwellguardian.blogspot.com/2013/08/new-roundabout-at-ustick-and-indiana.html ICD estimated from Google Maps linework.
Green, OH Summit Co. United States	E Turkeyfoot Lake Rd. / Pickle Rd. (40.97410, -81.47402)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.9707	Other (At-Grade) Single-Lane	2018	https://www.whbc.com/city-opens-new-roundabout-has-plans-for-more/ ICD estimated from Google Maps linework.
Monroe, NC Union Co. United States	N Rocky River Rd. / Monroe Expressway WB Ramps (35.06481, -80.59359)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 37.1473	Freeway Ramps (Grade-Separated) Single-Lane	2018	Built as part of the Monroe Expressway (US 74 bypass) https://www.ncdot.gov/projects/monroe-expressway/Pages/default.aspx ICD estimated from Google Maps linework.
Monroe, NC Union Co. United States	N Rocky River Rd. / Monroe Expressway EB Ramps (35.06096, -80.59214)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.1043	Freeway Ramps (Grade-Separated) Single-Lane	2018	Built as part of the Monroe Expressway (US 74 bypass) https://www.ncdot.gov/projects/monroe-expressway/Pages/default.aspx ICD estimated from Google Maps linework.
Langley, BC Greater Vancouver Canada	232 St. / 72 Ave. / Trans Canada 1 WB On-ramp (49.13829, -122.58135)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.5059	Freeway Ramps (Grade-Separated) Single-Lane	2013	Roundabout was part of a project to build an overpass at a rail crossing. That project was completed in 2014, but the roundabout was in operation in 2013: https://www.portvancouver.com/wp-content/uploads/2015/03/232nd-st-construction-notice-december-2013.pdf ICD estimated from Google Maps linework.
Gladstone, MO Clay Co. United States	NE Antioch Rd. / NE Pleasant Valley Rd. (39.21369, -94.53468)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 34.2382	Other (At-Grade) Single-Lane	2018	https://www.linecreekloudmouth.com/blog/street-improvements/ ICD estimated from Google Maps linework.
Kansas City, MO Platte Co. United States	NW 72nd St. / NW Waukomis Dr. / N Green Hills Rd. (39.22505, -94.62750)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.2327	Other (At-Grade) Single-Lane	2012	Streetview car went through just after completion while two approaches were still blocked off. ICD estimated from Google Maps linework.
Riverside, MO Platte Co. United States	N Woodward Rd. / NW 52nd St. (39.18892, -94.63177)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.9531	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Cambridge, MD Dorchester Co. United States	MD 16 (Church Creek Rd.) / Woods Rd. (38.54624, -76.06411)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.3636	Other (At-Grade) Single-Lane	2017	https://www.myeasternshoremd.com/dorchester_star/news/roundabout-opens-at-route-and-woods-road/article_b39ae088-8f81-51a4-8dc8-94e149da66e8.html ICD estimated from Google Maps linework.
Baxter, MN Crow Wing Co. United States	Excelsior Rd. / (unlknown) (46.35451, -94.24743)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.7430	Other (At-Grade) Single-Lane	2018	date: not yet built in late 2017 according to https://www.brainerddispatch.com/news/4150918-baxter-city-council-2017-could-bring-excelsior-road-roundabout yet Streetview shows it complete in 2018. Fourth leg stubbed. ICD estimated from Google Maps linework.
Beverly, MA Essex Co. United States	Essex St. / Old Essex Rd. (42.57129, -70.85769)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.6273	Other (At-Grade) Single-Lane	2018	https://www.salemnews.com/news/local_news/essex-street-around-new-roundabout-to-be-closed-for-work/article_33d9323d-29f7-5067-a7e0-8ba022b4f125.html?psid=80AVI ICD estimated from Google Maps linework.
East Longmeadow, MA Hampden Co. United States	Center Square (Maple St. / Shaker Rd. / Prospect St. / Somers Rd. / Pleasant St. / Elm St. / N Main St.) (42.06482, -72.51288)	Other Existing	Other Unknown	7 Approaches 0 Driveways 31.0329	Other (At-Grade) Single-Lane		Seven way intersection. Mixture of stop signs and yield, including yields within the circle. Appeared in Ripley's Believe It or Not: https://www.thehotiron.com/index.php/site/comments/wisconsin_roundabouts_to_a_native_massachusetts_rotary_driver ICD estimated from Google Maps linework.
O'Fallon, IL St. Clair Co. United States	Milburn Estates Dr. / Portsmith Place Dr. (38.61138, -89.94514)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 55.9947	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
O'Fallon, IL St. Clair Co. United States	Cambridge Blvd. / St Francis Way / St Elizabeth's Blvd. (38.58493, -89.93023)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.6755	Other (At-Grade) Single-Lane	2016	Roundabout built by hospital. ICD estimated from Google Maps linework.
Tacoma, WA Pierce Co. United States	N Pearl St. / Five Mile Dr. / N Waterfront Dr. / Ferry Crossing Landing Rd / Park Ave. (47.30193, -122.51556)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 32.3966	Other (At-Grade) Single-Lane	2018	https://www.thenewstribune.com/news/local/article196233104.html ICD estimated from Google Maps linework.
Yakima, WA Yakima Co. United States	N Fair Ave. / E Lincoln Ave. / N 10th St. / Bravo Company Blvd. (46.60868, -120.49385)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.0238	Other (At-Grade) Single-Lane	2015	https://www.yakimawa.gov/media/news/fair-avenue-roundabout-opening-to-traffic/ ICD estimated from Google Maps linework.
Raymond, WA Pacific Co. United States	US 101 / Henkle St. (SR 6) (46.68234, -123.73051)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.0389	Other (At-Grade) Single-Lane	2018	http://www.wsdot.wa.gov/Projects/US101/SR6IntersectionAndDrainage/default.htm ICD estimated from Google Maps linework.
Tacoma, WA Pierce Co. United States	(unknown) / (unknown) (47.30214, -122.51434)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 27.5370	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	N Taft Hill Rd. / CR 70 / CR 19 (40.75500, -105.11504)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 37.0933	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Naples, FL Collier Co. United States	Central Ave. / 8th St. (26.14718, -81.79695)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.2979	Other (At-Grade) Single-Lane	2016	Elliptical shape. ICD estimated from Google Maps linework.
Naples, FL Collier Co. United States	Central Ave. / 10th St. (26.14752, -81.79419)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.8120	Other (At-Grade) Single-Lane	2016	Elliptical shape. ICD estimated from Google Maps linework.
Lehigh Acres, FL Lee Co. United States	Sunshine Blvd. S / 23rd St. SW (26.59205, -81.67879)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.4957	Other (At-Grade) Single-Lane	2009	Date: http://lehighacrescitizen.com/page/content.detail/id/506096/Mann-likes-Lehigh-s-new--roundabout--at-Sunshine-and-23rd-St-.html?nav=5100 ICD estimated from Google Maps linework.
Hveragerðisbær, Suðurland Iceland	Rte 1 / Rte 38 / Rte 376 (63.99524, -21.19289)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.2263	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Reykjavegur / Jonsteigur (64.16361, -21.68868)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.3525	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Þverholt / Haholt (64.16655, -21.69572)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.7058	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Vikurvegur / Rte 1 Ramps (64.13426, -21.76538)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 42.7255	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Lambhagavegur / Blikastaðavegur (64.13884, -21.75433)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.6945	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Mímisbrunnur / Ulfarsbraut (64.13442, -21.74713)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 22.4047	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.