Roundabouts Database Index

28784 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
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.
Hanover Township, PA Luzerne Co. United States	South Valley Pkwy. / Main St. (41.20398, -75.94735)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.5373	Other (At-Grade) Single-Lane	2017	Part of the South Valley Parkway Project. Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Bromont, QC Brome-Missisquoi Regional County Municipality Canada	Boulevard de Bromont / Chemin Bergeron / Chemin Saxby (45.33809, -72.64867)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.9389	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Brigantine, NJ Atlantic Co. United States	Brigantine Blvd. / Bayshore Ave. / 34th St. S / (unknown) / (parking lot) (39.39482, -74.38953)	Other Existing	Other None	7 Approaches 0 Driveways 28.6120	Other (At-Grade) Multilane (2 Lane, unspecified)		All entries except Brigantine Blvd controled by stop signs. 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.
Arnold, MO Jefferson Co. United States	Astra Way / Missouri State Rd. (38.44301, -90.40168)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1589	Other (At-Grade) Single-Lane	2012	Located approximately 220 feet from traffic signal. https://patch.com/missouri/fenton-highridge/new-traffic-roundabout-to-be-built-on-hwy-141-between4fb74fd68b . ICD estimated from Google Maps linework.
(unincorporated), MO Jefferson Co. United States	13th St. / Winding Bluffs Dr. (38.48406, -90.44573)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7865	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Katy, TX Fort Bend Co. United States	Nelson Way / Main St. (29.77519, -95.82212)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.4048	Other (At-Grade) Multilane (2 Lane, unspecified)	2010
Katy, TX Waller Co. United States	Cane Island Pkwy. / Commerce Pkwy. / Parkside St. (29.77928, -95.85005)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 67.0557	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	Year Completed estimated (2015-2016).
Maple Valley, WA King Co. United States	SE Tahoma Way / Maple Valley Black Diamond Rd. SE (47.35796, -122.02252)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.5079	Other (At-Grade) Single-Lane	2018	East Entrance to Tahoma High School. Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Liberty Lake (Greenacres), WA Spokane Co. United States	E Mission Ave. / N Harvest Pkwy. (47.67143, -117.13127)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7992	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Stevenson, WA Skamania Co. United States	SR 14 / Wind River Rd. (45.71510, -121.82857)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.1939	Other (At-Grade) Single-Lane	2019	Completed Summer 2019 (WSDOT). ICD estimated from Google Maps linework.
Washougal, WA Clark Co. United States	SR 14 / S 32nd St. (45.57443, -122.33692)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.1284	Other (At-Grade) Unknown	2019	Completed Summer 2019 (WSDOT). ICD estimated from Google Maps linework.
Washougal, WA Clark Co. United States	SR 14 / 15th St. (Washougal River Rd.) (45.57665, -122.35617)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.2591	Other (At-Grade) Single-Lane	2019	Completed Summer 2019 (WSDOT). If needed will be converted in the future to multilane and has built in concrete joint lines in the splitter islands and central island truck apron. ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Mesa Ave. / Park Ave. / Lake Cir. (38.79330, -104.85226)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.7188	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Eagle Rock Rd. / Spine Rd. (38.90327, -104.81455)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.6008	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Targa Dr. / Woodmen Ridge View (38.93858, -104.72473)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.5197	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Tutt Blvd. / Bear Run Point (38.94247, -104.71133)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.5172	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Forestgate Dr. / Lochwinnoch Ln. (38.96681, -104.68550)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.8585	Other (At-Grade) Single-Lane	2002	Year Completed estimated (1999-2004). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Forestgate Dr. / Cairngorm Way (38.96770, -104.69892)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.4293	Other (At-Grade) Single-Lane	2002	Elliptical shape. Year Completed estimated (1999-2004). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Grand Cordera Pkwy. / Sky Meadow Dr. / Wild Sage Grove (38.96025, -104.72647)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.8623	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	N Union Blvd. / Grand Cordera Pkwy. (38.97597, -104.74059)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.8532	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	N Union Blvd. / Cordera Crest Ave. / Nautilus Point (38.97581, -104.74418)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.5673	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Cordera Crest Ave. / Outlook Ridge Trl. / Taco Ave. (38.97726, -104.74489)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7094	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Continental Heights / Prominent Point (38.97278, -104.74369)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.7843	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Prominent Point / Nautilus Point (38.97327, -104.74271)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.8555	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	New Allegiance Dr. / Republic Dr. (38.98670, -104.80719)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 56.6289	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Two legs stubbed. Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Federal Dr. / Rampart Hills View (38.99266, -104.80356)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.9154	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Federal Dr. / Rampart Hills View / (parking lot) (38.99663, -104.81004)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.0567	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Greensboro, NC Guilford Co. United States	Airpark Rd. / Albert Pick Rd. (36.07486, -79.94894)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.8900	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Greensboro, NC Guilford Co. United States	Airpark Rd. / Abert Pick Rd. / Gallimore Dairy Rd. (36.07414, -79.94649)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.9250	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Westerwood, NC Guilford Co. United States	E Lake Dr. / Garland Dr. (36.07915, -79.80705)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 26.0621	Other (At-Grade) Single-Lane		Painted splitter islands, lane changes to stay within circle. ICD estimated from Google Maps linework.
Suffolk, VA Suffolk City Co. United States	College Dr. / Harbour View Dr. / Armistead Rd. (36.89493, -76.43239)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 66.8605	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	https://www.clarknexsen.com/project/college-drive-roundabout-suffolk-va/. ICD estimated from Google Maps linework.
St Francis, MN Anoka Co. United States	Bridge St. NW / Lake George Blvd. NW (45.38685, -93.34720)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.6174	Other (At-Grade) Single-Lane	2016	Yield controlled right-turn bypass lane on south leg. https://www.stfrancis.k12.mn.us/page.cfm?p=383&newsid=2777. ICD estimated from Google Maps linework.
St Francis, MN Anoka Co. United States	Bridge St. NW / Poppy St. NW / Rum River Blvd. NW (45.38710, -93.35243)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.5845	Other (At-Grade) Single-Lane	2016	https://www.stfrancis.k12.mn.us/page.cfm?p=383&newsid=2777. ICD estimated from Google Maps linework.
Willmar, MN Kandiyohi Co. United States	30th St. SW / 19th Ave. SW (45.10334, -95.08360)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019	https://www.wctrib.com/news/traffic-and-construction/4647282-New-roundabout-on-west-edge-of-Willmar-is-officially-open.
Anoka, MN Anoka Co. United States	S 4th Ave. / Washington St. / Military Rd. (45.19165, -93.38535)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 24.4090	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	Painted pumpkin in center: https://www.facebook.com/CityofAnokaMN/photos/a.340051602702875/1707805759260779/?type=3. ICD estimated from Google Maps linework.
Fishers, IN Hamilton Co. United States	E 136th St. / Southeastern Pkwy. / (unknown) (39.98700, -85.91258)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.5184	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Intersection moved about 500 feet east. ICD estimated from Google Maps linework.
Bluffton, SC Beaufort Co. United States	Buckwater Place Blvd. / Innovation Dr. (32.27166, -80.91852)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.4623	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Bluffton, SC Beaufort Co. United States	Bridgewater Dr. / Parkside Dr. (32.27840, -80.90985)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.4295	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1994-2005). ICD estimated from Google Maps linework.
Savannah, GA Chatham Co. United States	Robert B Miller Jr Rd. / (Gulfstream factory access) (32.13898, -81.19041)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.4298	Other (At-Grade) Single-Lane	2014	At-grade rail crossing with crossbucks only on two legs. ICD estimated from Google Maps linework.
Savannah, GA Chatham Co. United States	Robert B Miller Jr Rd. / (unknown) (32.13558, -81.18861)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.4539	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Mount Pleasant, SC Charleston Co. United States	Park Ave Blvd. / Carolina Park Blvd. (32.88732, -79.76454)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.1229	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Mount Pleasant, SC Charleston Co. United States	Carolina Park Blvd. / Banning St. / Crane Creek Dr. (32.89234, -79.76530)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.0861	Other (At-Grade) Single-Lane	2007	Unfinished (unpaved) but driveable in Nov 2007 (streetview). ICD estimated from Google Maps linework.
Guyton, GA Effingham Co. United States	Central Blvd. / Springfield Ave. (32.33029, -81.39279)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.3673	Other (At-Grade) Single-Lane	2018	https://www.wtoc.com/2018/09/25/guyton-roundabout-be-completed-by-december/. ICD estimated from Google Maps linework.
Tomball, TX Harris Co. United States	Invergarry Way. / Newcourt Blvd. (30.07099, -95.56441)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 80.7720	Other (At-Grade) Single-Lane		Very large diameter; operates as four T-intersections.
Coquitlam, BC Greater Vancouver Canada	Woolridge St. / (parking lot) (49.23188, -122.85288)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.8561	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
Chino, CA San Bernardino Co. United States	Eucalyptus Ave. / Oaks Ave. / College Park Ave. (33.99438, -117.67601)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 51.4909	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Asheville, NC Buncombe Co. United States	Lyman St. / Riverside Dr. (35.58442, -82.56711)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.1677	Other (At-Grade) Single-Lane	2019	https://twitter.com/CityofAsheville/status/1136729617706999816/video/1. ICD estimated from Google Maps linework.
King City, ON York Canada	Lloydtown-Aurora Rd. (Hwy 16) / Keele St. (Hwy 6) (44.00132, -79.54751)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.9554	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Whitchurch-Stouffville, ON York Canada	Mantle Ave. / Yakefarm Blvd. (43.96608, -79.22303)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.7886	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Whitchurch-Stouffville, ON York Canada	Mantle Ave. / Sunnyridge Ave. (43.96521, -79.22663)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.2101	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Whitchurch-Stouffville, ON York Canada	10th Line / Mantle Ave. (43.96457, -79.22970)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 12.8946	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2011 streetview) ICD estimated from Google Maps linework.
Whitchurch-Stouffville, ON York Canada	Hoover Park Dr. / Salix Ave. / Greendale Ave. (43.97037, -79.22233)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.2249	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2009-2015). 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.
Whitchurch-Stouffville, ON York Canada	Forsyth Farm Dr. / Flute St. / Penndutch Cir. (43.98297, -79.23744)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.7812	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Whitchurch-Stouffville, ON York Canada	Baker Hill Blvd. / Brownsberger Rd. (43.97580, -79.27341)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.3628	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Whitchurch-Stouffville, ON York Canada	Millard St. / Baker Hill Blvd. (43.97001, -79.27600)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.3486	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2005-2009). ICD estimated from Google Maps linework.
Markham, ON York Canada	Angus Glen Blvd. / Berkshire Crescent / Glengordon Crescent (43.89220, -79.33385)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.5420	Other (At-Grade) Single-Lane	2009	Usable in 2009; finished 2016. ICD estimated from Google Maps linework.
Vaughan, ON York Canada	Cranston Park Ave. / Melville Ave. / Drummond Dr. (43.86528, -79.52939)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.8598	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2002). ICD estimated from Google Maps linework.
Vaughan, ON York Canada	Chatfield Dr. / Lawford Rd. (43.84833, -79.56816)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.9783	Other (At-Grade) Single-Lane	2011	Unfinished but usable in 2011; somewhat better but still unfinished in 2014 (streetview). ICD estimated from Google Maps linework.
Brampton, ON Peel Canada	Elbern Markell Dr. / Bear Run Rd. / Dalmeny Dr. (43.66095, -79.80706)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.2408	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Brampton, ON Peel Canada	Elbern Markell Dr. / Fort William Dr. (43.65595, -79.80336)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.2433	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Brampton, ON Peel Canada	Royal West Dr. / Adamsville Rd. (43.65220, -79.80625)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.7018	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Brampton, ON Peel Canada	Royal West Dr. / Beacon Hill Dr. (43.65527, -79.81000)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.5642	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Brampton, ON Peel Canada	Longevity Rd. / Settlers Field Rd. (43.65233, -79.81352)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.3810	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Waterdown, ON Hamilton Canada	Skinner Rd. / Burke St. (43.33778, -79.88090)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.7464	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2012). ICD estimated from Google Maps linework.
Lincoln, ON Niagara Canada	King St. (Hwy 81) / Green Lane Rd. (43.17965, -79.50744)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.2240	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
St Catharines, ON Niagara Canada	Suzanne Rochon-Burnett Circle (University Rd. E / Greenhouse Ln. / Ray Woodfield Dr. / John McDonald St.) (43.12007, -79.24428)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.0000	Other (At-Grade) Single-Lane	2000	Initial completion estimated (before 2003). Modified approximately 2003-2007 to realign University Road leg. ICD estimated from Google Maps linework. 21442
Niagara-on-the-Lake, ON Niagara Canada	Niagara Pkwy. / Portage Rd. (43.15820, -79.05083)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.7504	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Gaithersburg, MD Montgomery Co. United States	Victory Farm Dr. / Girard St. (39.14648, -77.18493)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9348	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Leesburg, VA Loudoun Co. United States	Catoctin Cir. NE / Marshall Dr. NE (39.11906, -77.55260)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 19.4587	Other (At-Grade) Single-Lane	2007	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.
Leesburg, VA Loudoun Co. United States	Upper Belmont Pl. / Riverpoint Dr. (39.08562, -77.49204)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.8113	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Leesburg, VA Loudoun Co. United States	Upper Belmont Pl. / Charlene Beth Dr. (39.09004, -77.48704)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.5175	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Clarksburg, MD Montgomery Co. United States	Clarksburg Rd. (MD 121) / (outlet mall entrance) (39.22844, -77.28869)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.9588	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.