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
San Antonio, TX Bexar Co. United States	Barshop Blvd. / Brackenridge Ave. / (parking lot) (29.57875, -98.62502)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2008	Painted truck apron. SW entrance to University of Texas at San Antonio -- https://www.utsa.edu/today/2008/02/brackenridge.cfm.
San Antonio, TX Bexar Co. United States	Peace Circle (Peace Ave. / Bauerle Rd. / Tobin Ave.) (29.58709, -98.61939)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	North entrance to University of Texas at San Antonio -- https://www.utsa.edu/today/2012/01/roundabout.html.
San Antonio, TX Bexar Co. United States	Loop 1604 Frontage Road WB Ramps / (shopping center roadways) (29.59074, -98.61338)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2005	Right-turn only arrows at each entry.
San Antonio, TX Bexar Co. United States	(west entrance to shopping center) / (shopping center roadways) (29.59342, -98.61844)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5277	Other (At-Grade) Single-Lane	2007	Right-turn only arrows on each entry.
Norman, OK Cleveland Co. United States	Manor Hill Dr. / Sherburne Rd. (35.22406, -97.50950)	Roundabout Existing	All-Way Yield None	3 Approaches 5 Driveways 36.0991	Other (At-Grade) Single-Lane	1999	No truck apron. Year Completed estimated (1995-2003). ICD estimated from Google Maps linework.
Yukon, OK Canadian Co. United States	Health Center Pkwy. / (unknown) (35.48402, -97.76674)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7082	Other (At-Grade) Single-Lane	2015	Painted truck apron. ICD estimated from Google Maps linework.
Oklahoma City, OK Oklahoma Co. United States	N Phillips Ave. / NE 84th St. (35.55627, -97.50126)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0358	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2007-2008). ICD estimated from Google Maps linework.
Springfield, MO Greene Co. United States	MO EE (N Kaylor Rd.-W Division St.) / N Airport Blvd. / Farm Road 124 (37.22799, -93.40200)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 41.8425	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2008-2009). ICD estimated from Google Maps linework.
Greenville, SC Greenville Co. United States	Millennium Blvd. / Innovation Dr. / (parking lot) (34.81381, -82.32213)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 62.7557	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Year Completed estimated (1994-2005). Fourth leg added 2016-2017. ICD estimated from Google Maps linework.
Greenville, SC Greenville Co. United States	Millennium Blvd. / Carolina Point Pkwy. (34.81935, -82.31602)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 41.1807	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	ICD estimated from Google Maps linework.
Greenville, SC Greenville Co. United States	Carolina Point Pkwy. / (shopping center) / (apartments) (34.81987, -82.31198)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.1414	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	ICD estimated from Google Maps linework.
Simpsonville, SC Greenville Co. United States	Woodruff Rd. / Lee Vaughn Rd. (34.79040, -82.18007)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.2718	Other (At-Grade) Single-Lane	2017	Replaced all-way stop offset T-intersections. ICD estimated from Google Maps linework.
Woodruff, SC Spartanburg Co. United States	SC 146 / SC 417 (34.80064, -82.15773)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.3443	Other (At-Grade) Single-Lane	2017	Replaced scissor-type intersection. ICD estimated from Google Maps linework.
Renton, WA King Co. United States	SE 176th St. / SE 171st Way (47.44500, -122.14831)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 23.4239	Other (At-Grade) Single-lane w/ Traversable Central Island	2019	Mini-roundabout in a suburban neighborhood context, completed November 2019. ICD estimated from Google Maps linework.
Eastgate, WA King Co. United States	SE 40th St. / 138th Ave. SE (47.57459, -122.15670)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.2865	Other (At-Grade) Single-lane w/ Traversable Central Island	2019	Mini-roundabout adjacent Tyee Middle School, completed October 2019. ICD estimated from Google Maps linework.
Akron, OH Summit Co. United States	Edgewood Ave. / Westerly Rd. (41.07351, -81.53973)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.3135	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Sandersville, GA Washington Co. United States	GA 242 / Hospital Rd. (32.96740, -82.79420)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signals/Gates (controlling all approaches)	4 Approaches 0 Driveways 40.0807	Other (At-Grade) Single-Lane	2019	At-grade rail crossing through central island. ICD estimated from Google Maps linework.
Lees Summit, MO Jackson Co. United States	SW Arborway Dr. / SW Wysteria Dr. / SW Wysteria Terr. (38.85763, -94.39962)	Roundabout Existing	Unknown None	4 Approaches 0 Driveways 24.1808	Other (At-Grade) Single-Lane	2005	Minimal splitter islands on three legs; no splitter island on east leg. Year Completed estimated (2004-2005). ICD estimated from Google Maps linework.
Savage, MN Scott Co. United States	Hanrehan Lake Blvd. / 154th St. / Murphy Lake Blvd. (44.72541, -93.34952)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.7908	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Prior Lake, MN Scott Co. United States	Credit River Blvd. / Vernon Ave. / Natchez Ave. (44.66669, -93.34039)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.7720	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Hebron, KY Boone Co. United States	N Bend Rd. (KY 237) / Cardinal Way / Park and Ride Dr. (39.09299, -84.71405)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.0048	Other (At-Grade) Single-Lane	2009	http://local.nixle.com/alert/290390/ ICD estimated from Google Maps linework.
Johnson City, TN Washington Co. United States	Browns Mill Rd. / W Mountain View Rd. (36.36176, -82.40159)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.5094	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	https://www.wjhl.com/news/new-johnson-city-roundabout-causing-confusion-for-some-drivers/ ICD estimated from Google Maps linework.
Ball Ground, GA Cherokee Co. United States	GA 369 (Hightower Rd.) / GA 372 (Ball Ground Rd.) (34.27732, -84.29893)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.4760	Other (At-Grade) Single-Lane	2018	https://www.facebook.com/GDOTNW/posts/with-a-new-roundabout-it-is-not-only-safer-and-more-operationally-efficient-but-/2238826043004945/ ICD estimated from Google Maps linework.
Murrayville, GA Lumpkin Co. United States	GA 115 / GA 52 / Copper Mines Rd. (34.51840, -83.88449)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2349	Other (At-Grade) Single-Lane	2019	https://nowhabersham.com/new-roundabout-on-ga-highway-115-opens-today/ ICD estimated from Google Maps linework.
Marietta, GA Cobb Co. United States	Timber Ridge Rd. / Lower Roswell Rd. / Willeo Rd. (33.99206, -84.38670)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 28.7168	Other (At-Grade) Single-Lane	2014	https://patch.com/georgia/eastcobb/new-east-cobb-roundabout-nearly-complete. Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Spanish Fork, UT Utah Co. United States	S 2550 E St. / E 920 S St. / High Ridge Dr. (40.09766, -111.61209)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.0255	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	https://www.facebook.com/SpanishForkCity/posts/a-new-roundabout-is-about-to-be-constructed-on-2550-e-between-canyon-rd-and-us-6/10154689907980318/. Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Vernon Township, PA Crawford Co. United States	US 6-US 322 / US 19 / SR 98 (41.62252, -80.20351)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.9971	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	https://www.goerie.com/news/20191025/both-lanes-of-new-roundabout-are-open ICD estimated from Google Maps linework.
Wellesley, ON Waterloo Canada	Ament Line / Herrgott Rd. (43.55994, -80.64612)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018	https://www.newhamburgindependent.ca/news-story/8660450-wellesley-township-roundabout-construction-begins-next-week/. Year Completed estimated (2018-2019).
Cambridge, ON Waterloo Canada	Myers Rd. / Franklin Blvd. (43.34326, -80.28711)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.3777	Other (At-Grade) Single-Lane	2018	https://www.kitchenertoday.com/local-news/part-of-franklin-now-closed-in-cambridge-for-roundabout-work-973622 ICD estimated from Google Maps linework.
Bromont, QC Brome-Missisquoi Regional County Municipality Canada	Chemin Bergeron / Rte 10 WB Ramps (45.33627, -72.64198)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 39.4587	Freeway Ramps (Grade-Separated) Single-Lane	2009	Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Mülheim an der Ruhr, North Rhine-Westphalia Mülheim an der Ruhr Germany	Hardenbergstraße / Hingbergstraße (51.43353, 6.92468)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 14.8914	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Mülheim an der Ruhr, North Rhine-Westphalia Mülheim an der Ruhr Germany	Am Förderturm / Humboldtring (51.44148, 6.94859)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.0554	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Lenoir City, TN Loudon Co. United States	Glenfield Dr. / Glenbrook Dr. (35.80347, -84.28974)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.8395	Other (At-Grade) Single-Lane	2005	Fourth leg stubbed. Year Completed estimated (2004-2006). ICD estimated from Google Maps linework.
Rockford, TN Blount Co. United States	Clayton Rd. / Pellissippi Pl. (35.80191, -83.93745)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.5267	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Fourth leg stubbed. Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Rockford, TN Blount Co. United States	Pellissippi Pl. / (parking lot) / (unknown) (35.80058, -83.93423)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.5588	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	Fourth leg stubbed. Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Rockford, TN Blount Co. United States	Pellissippi Pl. / (unknown) (35.79925, -83.93118)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2015	Year Completed estimated (2014-2016).
Knoxville, TN Knox Co. United States	Maloney Rd. / Dresser Rd. (35.90481, -83.95273)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.7937	Other (At-Grade) Single-Lane	2017	https://lakemoor.org/alcoa-hwy-february-7-2017/ . ICD estimated from Google Maps linework.
Knoxville, TN Knox Co. United States	Maloney Rd. SW / Alcoa Hwy. (US 129) SB Connector (35.90475, -83.95549)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.8263	Other (At-Grade) Single-Lane	2019	https://www.tn.gov/tdot/projects/projects-region-1/sr-115-alcoa-highway-maloney-to-woodson/sr-115-alcoa-highway-maloney-to-woodson-timeline.html . ICD estimated from Google Maps linework.
Knoxville, TN Knox Co. United States	Gleason Dr. SW / Wellsley Park Rd. SW (35.92329, -84.02883)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.3914	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1997-2002). Original two-lane circulatory roadway with concentric lane line. Striped out inner lane of circulatory roadway to make single-lane around 2014-2016. ICD estimated from Google Maps linework.
Knoxville, TN Knox Co. United States	Bob Gray Rd. / Hickey Rd. / Mabry Hood Rd. (35.93396, -84.12904)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.0112	Other (At-Grade) Single-Lane	2014	http://www.screamsfromtheporch.com/2014/05/roads-closed-due-to-roundabout-work.html . ICD estimated from Google Maps linework.
Knoxville, TN Knox Co. United States	Bob Gray Rd. / Bob Kirby Rd. (35.93715, -84.11768)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 14.5050	Other (At-Grade) Single-Lane	2014	http://www.screamsfromtheporch.com/2014/05/roads-closed-due-to-roundabout-work.html . ICD estimated from Google Maps linework.
Aubrey, TX Denton Co. United States	Union Park Blvd. / Boardwalk Way (33.22802, -96.92455)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2015	.
Aubrey, TX Denton Co. United States	Union Park Blvd. / Fish Trap Rd. (33.23213, -96.92081)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018).
Knoxville, TN Knox Co. United States	Midpark Rd. / Henson Rd. (35.96671, -84.01232)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.9325	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Knoxville, TN Knox Co. United States	Midpark Rd. / (parking lot) (35.96348, -84.01397)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.0004	Other (At-Grade) Single-Lane	2003	Fourth leg stubbed. ICD estimated from Google Maps linework.
Helena, AL Shelby Co. United States	Hillsboro Pkwy. / Stonecreek Dr. (33.27785, -86.87083)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.9484	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2010). ICD estimated from Google Maps linework.
Missouri City, TX Fort Bend Co. United States	Sienna Pkwy. / Mount Logan (29.48158, -95.52267)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 80.7720	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Year Completed estimated (2014-2015).
Lithia, FL Hillsborough Co. United States	Village Center Dr. / Circa Fishhawk Blvd. (27.85103, -82.25373)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.7355	Other (At-Grade) Single-Lane	2010	Right-turn-only lane on northwest leg. Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Lithia, FL Hillsborough Co. United States	Village Center Dr. / Barrington Stowers Dr. (27.84913, -82.25525)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.8481	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Lithia, FL Hillsborough Co. United States	Village Center Dr. / Slate Rock Way (27.84752, -82.25608)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.5685	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Lithia, FL Hillsborough Co. United States	Mosaic Dr. / Circa Crossing Dr. (27.85155, -82.26072)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.7353	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Lithia, FL Hillsborough Co. United States	Mosaic Dr. / Boyette Rd. / Barrington Stowers Dr. (27.85004, -82.26093)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.7918	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
Apollo Beach, FL Hillsborough Co. United States	Covington Garden Dr. / Parkshore Dr. (27.76997, -82.37008)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.5896	Other (At-Grade) Single-Lane	2015	Elliptical shape. ICD estimated from Google Maps linework.
Riverview, FL Hillsborough Co. United States	Pradera Reserve Blvd. / Palmera Vista Dr. (27.79421, -82.28690)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.6007	Other (At-Grade) Single-Lane	2014	Fourth leg added 2018. ICD estimated from Google Maps linework.
Riverview, FL Hillsborough Co. United States	Dorado Shores Ave. / Triple Creek Blvd. (27.79803, -82.27133)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.9380	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Riverview, FL Hillsborough Co. United States	Big Bend Rd. / Boggy Creek Dr. (27.80313, -82.26919)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 55.9918	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Riverview, FL Hillsborough Co. United States	Silton Peace Dr. / Newgate Crest Dr. (27.81114, -82.30988)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.6912	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
New Tampa, FL Hillsborough Co. United States	Wild Tamarind Dr. / Pigeon Plum Way (28.16206, -82.31098)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.6411	Other (At-Grade) Single-Lane	2010	Original traffic circle built 2007. Converted to roundabout from stop-controlled traffic circle in 2009-2010. Truck apron added 2014. Painted splitter islands. ICD estimated from Google Maps linework.
New Tampa, FL Hillsborough Co. United States	Mistflower Ln. / Paddock View Dr. (28.16341, -82.29946)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.8524	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Tahoe City, CA Placer Co. United States	SR 89 / W River Rd. (39.16425, -120.14919)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.2623	Other (At-Grade) Single-Lane	2019	https://flh.fhwa.dot.gov/projects/ca/truckee/ ICD estimated from Google Maps linework.
Tahoe City, CA Placer Co. United States	SR 89 / W Lake Blvd. (39.16291, -120.14444)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.9671	Other (At-Grade) Single-Lane	2019	https://flh.fhwa.dot.gov/projects/ca/truckee/ ICD estimated from Google Maps linework.
McMinnville, OR Yamhill Co. United States	NW Hill Rd. / NW Wallace Rd. (45.21798, -123.22773)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.6042	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2019). ICD estimated from Google Maps linework.
St. Louis, MO St. Louis City Co. United States	Tower Grove Ave. / I-64 EB Off-Ramp (38.63045, -90.25538)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5879	Freeway Ramps (Grade-Separated) Single-Lane	2014	ICD estimated from Google Maps linework.
Florence, AL Lauderdale Co. United States	S Royal Ave. / Huntsville Rd. (34.80366, -87.65835)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 65.7055	Other (At-Grade) Single-Lane	2019	https://www.waaytv.com/content/news/Florences-first-roundabout-is-open-514219251.html ICD estimated from Google Maps linework.
Fish Hawk, FL Hillsborough Co. United States	Fishhawk Crossing Blvd. / Churchside Dr. (27.84736, -82.21205)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Single-Lane	2006
Irvine, CA Orange Co. United States	Ridge Valley / Cadence (33.68492, -117.73941)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.7272	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
Irvine, CA Orange Co. United States	Bosque / Cadence (33.68264, -117.73218)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7654	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Irvine, CA Orange Co. United States	Great Park Blvd / Bosque (33.67833, -117.73658)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.7122	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Irvine, CA Orange Co. United States	Cadence / Bosque / Hornet (33.67686, -117.74126)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.7680	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Orange County Great Park, CA Orange Co. United States	Ridge Valley / Pavillion Park (33.69527, -117.72962)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.6525	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Oakville, ON Halton Canada	Parkglen Ave. / Kingsridge Dr. (43.44523, -79.75763)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.2862	Other (At-Grade) Single-Lane	2003	Year Completed estimated (before 2004). 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.
Ajax, ON Durham Canada	Pickering Beach Rd. / Dreyer Dr. / Beachview St. (43.83085, -79.00187)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.6778	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.
Opelika, AL Lee Co. United States	Interstate Dr. / Enterprise Dr. / Hamilton Rd. (32.61583, -85.40719)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.1916	Other (At-Grade) Single-Lane	2018	https://www.opelika-al.gov/CivicAlerts.aspx?AID=74&ARC=201 ICD estimated from Google Maps linework.
Opelika, AL Lee Co. United States	Auburn St. / ML King Blvd. / Frederick Rd. (32.63642, -85.38391)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.1957	Other (At-Grade) Single-Lane	2018	https://www.opelika-al.gov/CivicAlerts.aspx?AID=10 ICD estimated from Google Maps linework.
Castle Pines, CO Douglas Co. United States	Lagae Rd. / Hyland Hills Rd. (39.46753, -104.88126)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.4902	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Castle Pines, CO Douglas Co. United States	Lagae Rd. / Monarch Blvd. (39.46134, -104.87935)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.8834	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Oley Township, PA Berks Co. United States	W Philadelphia Ave. (SR 73) / Memorial Hwy. (SR 662) / Lynx Dr. (40.38294, -75.78388)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.9391	Other (At-Grade) Single-Lane	2019	https://www.pottsmerc.com/news/new-roundabout-opens-at-intersection-of-routes-and-in-oley/article_00e9f716-c345-11e9-9e3c-9b57da8ea891.html 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.
Pleasant Township, OH Franklin Co. United States	Norton Rd. / Johnson Rd. (39.89132, -83.15463)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019	https://www.nbc4i.com/news/local-news/1-8-million-roundabout-added-to-dangerous-intersection/
Bozeman, MT Gallatin Co. United States	N 15th Ave. / Beall St. / Ruth Thibeault Way (45.68213, -111.05694)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 14.1849	Other (At-Grade) Single-lane w/ Traversable Central Island	2019	https://www.ktvq.com/news/montana-news/roundabout-what-roundabout-some-bozeman-drivers-ignoring-roundabout-near-school ICD estimated from Google Maps linework.
Waghäusel, Baden-Württemberg Karlsruhe Germany	L555 / Hoeber-und-Mandelbaum-Straße (49.25009, 8.50219)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.6416	Other (At-Grade) Single-Lane		Gated oversized/overweight (OSOW) vehicle bypass through central island. ICD estimated from Google Maps linework.
Balzers, Oberland Liechtenstein	Gagoz / Schlossweg (47.06835, 9.49641)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.0990	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Grant, MN Washington Co. United States	STH 96 (Dellwood Rd.) / Manning Ave. (45.07956, -92.86320)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.0106	Other (At-Grade) Single-Lane	2016	Right-turn-only lane on south leg. http://www.startribune.com/are-roundabouts-really-safer-than-traditional-intersections/561251111/ ICD estimated from Google Maps linework.
Rhinelander, WI Oneida Co. United States	US 8 / STH 47 / W Kemp St. (US 8 Business) (45.63082, -89.43805)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.2639	Other (At-Grade) Single-Lane	2019	https://starjournalnow.com/2019/08/08/rhinelanders-new-roundabout-opens-for-business-soon/ ICD estimated from Google Maps linework.
Zeeland, MI Ottawa Co. United States	W Main Ave. / Washington Ave. (42.81237, -86.03303)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.5501	Other (At-Grade) Single-Lane	2019	https://www.hollandsentinel.com/news/20191123/zeeland-roundabout-now-open ICD estimated from Google Maps linework.
Kokomo, IN Howard Co. United States	W Markland Ave. / Park Ave. (40.47630, -86.14763)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.9738	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	https://www.kokomotribune.com/news/local_news/updated-roundabout-at-markland-and-park-open-almost-complete/article_99ddf954-d940-11e7-8f84-b30e25030c35.html ICD estimated from Google Maps linework.
Orland Park, IL Cook Co. United States	S Ravinia Ave. / W 147th St. (41.62323, -87.85606)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.9262	Other (At-Grade) Single-Lane	2018	https://www.facebook.com/VillageofOrlandPark/posts/-ravinia-ave-roundabout-debuts-sat-oct-13th-at-7am-the-roundabout-opening-is-ahe/1956887887713212/ ICD estimated from Google Maps linework.
Youngstown, OH Mahoning Co. United States	E Western Reserve Rd. / N Lima Rd. / Springfield Rd. (40.98799, -80.61116)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 43.2737	Other (At-Grade) Single-Lane	2019	https://www.vindy.com/news/local-news/2019/12/learning-curve-needed-to-maneuver-new-mahoning-roundabout/ ICD estimated from Google Maps linework.
Canal Winchester, OH Franklin Co. United States	Lithopolis Rd. / Gender Rd. (39.82200, -82.83181)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.0299	Other (At-Grade) Single-Lane	2014	Right-turn-only lanes on southeast and northeast legs. ICD estimated from Google Maps linework.
Plain City, OH Union Co. United States	Hyland-Croy Rd. / Wells Rd. (40.17354, -83.18698)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.8529	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2014). ICD estimated from Google Maps linework.
Dublin, OH Franklin Co. United States	Brand Rd. / Avery Rd. (40.12997, -83.15916)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.8739	Other (At-Grade) Single-Lane	2017	https://dublinohiousa.gov/newsroom/averybrand-roundabout-traffic-pattern-change ICD estimated from Google Maps linework.
Hamilton, OH Butler Co. United States	Hamilton Mason Rd. / Hamilton Enterprise Park Dr. / Gilmore Rd. (39.37927, -84.51743)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.6196	Other (At-Grade) Single-Lane	2019	Existing Gilmore Road was relocated to align with existing Hamilton Enterprise Park Dr. A single-lane modern roundabout with 150' inscribed diameter. ICD estimated from Google Maps linework.
Liberty Township, OH Butler Co. United States	Carriage House Blvd. / Thoroughbred Ln. / Winner Circle Dr. (39.39434, -84.45087)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0730	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
West Chester Township, OH Butler Co. United States	Civic Centre Blvd. / Water Front Dr. / Bass Pro Dr. (39.31600, -84.42671)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.5044	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Fairfield, OH Butler Co. United States	Seward Rd. / Essex Orchard Station Dr. (39.31580, -84.49502)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 22.1763	Other (At-Grade) Single-Lane	1997	Year Completed estimated (1994-2000). ICD estimated from Google Maps linework.
Fairfield, OH Butler Co. United States	Seward Rd. / Kohn Dr. (39.31476, -84.49520)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 20.3285	Other (At-Grade) Single-Lane	1997	Little deflection for northbound through movement. Year Completed estimated (1994-2000). ICD estimated from Google Maps linework.
Greenville, SC Greenville Co. United States	Verdae Blvd. / Parallel Pkwy. (34.83218, -82.31695)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.0366	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	https://www.wyff4.com/article/new-roundabout-opens-on-verdae-boulevard-1562030595/28253909# ICD estimated from Google Maps linework.
Greenville, SC Greenville Co. United States	Parallel Pkwy. / Ketron Ct. (34.83164, -82.31488)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.3121	Other (At-Grade) Single-Lane	2019	https://gvltoday.6amcity.com/parallel-parkway-greenville-sc/ ICD estimated from Google Maps linework.
Greenville, SC Greenville Co. United States	Parallel Pkwy. / Green Heron Rd. (34.83023, -82.31319)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.2734	Other (At-Grade) Single-Lane	2019	https://gvltoday.6amcity.com/parallel-parkway-greenville-sc/ ICD estimated from Google Maps linework.