Roundabouts Database Index

29410 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
Milton, ON Halton Canada	Farmstead Dr. / Etheridge Ave. (43.48622, -79.84111)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.3964	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Milton, ON Halton Canada	Whitlock Ave. / Farmstead Dr. (43.48834, -79.84905)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.6626	Other (At-Grade) Single-Lane	2018	Under construction in Streetview Aug 2018 ICD estimated from Google Maps linework.
Milton, ON Halton Canada	Whitlock Ave. / Leger Way (43.48585, -79.85174)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.1954	Other (At-Grade) Single-Lane	2018	Under construction in Streetview Aug 2018. ICD estimated from Google Maps linework.
Milton, ON Halton Canada	Bronte St. / Whitlock Ave. (43.48357, -79.85438)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.2626	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Milton, ON Halton Canada	Bronte St. / Etheridge Ave. (43.47954, -79.84883)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.6652	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Milton, ON Halton Canada	Scott Blvd. / Willet Terr. / Dymott Ave. (43.48676, -79.86895)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.4619	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2009-2013). ICD estimated from Google Maps linework.
Fishers, IN Hamilton Co. United States	Cyntheanne Rd. / E 136th St. (39.98752, -85.88117)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.5181	Other (At-Grade) Single-Lane	2019	ICD estimated from Google Maps linework.
Fishers, IN Hamilton Co. United States	E 126th St. / Parkside Dr. (39.97151, -86.00031)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.6116	Unknown Multilane (2 Lane, unspecified)	2019	Includes newly constructed roadway to the south, so 4 approaches is correct. ICD estimated from Google Maps linework.
Chambly, QC La Vallée-du-Richelieu Regional County Municipality Canada	Avenue Bourgogne / Avenue de Salaberry / Rue Martel (45.44894, -73.29059)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1362	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Chambly, QC La Vallée-du-Richelieu Regional County Municipality Canada	Boulevard Fréchette / Avenue Fonrouge / Rue Denault (45.43379, -73.29672)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.2288	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
Mont-Tremblant, QC Les Laurentides Regional County Municipality Canada	Chemin Duplessis / Chemin du Versant-Soleil (46.19861, -74.57515)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.2000	Other (At-Grade) Single-Lane	2002	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Mont-Tremblant, QC Les Laurentides Regional County Municipality Canada	Chemin du Versant-Soleil / Chemin des Pleiades (46.19915, -74.56762)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.5864	Other (At-Grade) Single-Lane	2002	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Mont-Tremblant, QC Les Laurentides Regional County Municipality Canada	Chemin de la Constellation / Chemin du Versant-Soleil (46.20045, -74.56332)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.6258	Other (At-Grade) Single-Lane	2002	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Prévost, QC La Rivière-du-Nord Regional County Municipality Canada	Rue du Clos-des-Réas / Chemin Clos-du-Val / Rue Clos-Fourtet / Rue du Clos-Prévostois (45.84092, -74.05780)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.6094	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Prévost, QC La Rivière-du-Nord Regional County Municipality Canada	Rue du Clos-des-Réas / Rue du Clos-Toumalin / Rue du Clos-Vougeot (45.83283, -74.05424)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.7897	Other (At-Grade) Single-Lane	2001	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
St-Roch-Ouest, QC Montcalm Regional County Municipality Canada	Rte 158 / Rang de la Côte-St-Louis / Ancienne Rte 158 (45.88639, -73.66842)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.8930	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Chilliwack, BC Fraser Valley Canada	Prairie Central Rd. / Prest Rd. (49.14742, -121.91835)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.9676	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
Chilliwack, BC Fraser Valley Canada	Bailey Rd. / Prest Rd. / Teskey Way (49.11848, -121.91844)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.0842	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
Squamish, BC Squamish-Lillooet Canada	The Boulevard / Perth Dr. (49.74036, -123.11024)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 20.0678	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Squamish, BC Squamish-Lillooet Canada	The Boulevard / Highlands Way (49.74035, -123.11661)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 22.3833	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Hanover Township, PA Luzerne Co. United States	South Valley Pkwy. / SR 29 EB Offramp (41.19754, -75.96611)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.7573	Other (At-Grade) Single-Lane	2018	Part of the South Valley Parkway project,. https://www.penndot.gov/RegionalOffices/district-4/pages/details.aspx?newsid=475 ICD estimated from Google Maps linework.
Nanticoke, PA Luzerne Co. United States	Middle Rd. / Kosciuszko St. (41.19181, -75.98546)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.8485	Other (At-Grade) Single-Lane	2018	Part of the South Valley Parkway project. https://www.penndot.gov/RegionalOffices/district-4/pages/details.aspx?newsid=475. ICD estimated from Google Maps linework.
Jacksonville, AR Pulaski Co. United States	W Main St. / Harris Rd. / Jacksonville Cutoff Rd. (34.87108, -92.15646)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.0542	Other (At-Grade) Single-Lane	2014	date: http://www.cityofjacksonville.net/Archive/ViewFile/Item/113 (warning: large pdf) ICD estimated from Google Maps linework.
Fitchburg, MA Worcester Co. United States	Main St. / River St. (42.58718, -71.80861)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 13.1898	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	https://www.sentinelandenterprise.com/2017/05/22/roundabout-at-main-and-river-in-fitchburg-could-see-revisions/ ICD estimated from Google Maps linework.
Danville, KY Boyle Co. United States	Shakertown Rd. (KY 33) / KY 2168 (37.67727, -84.76431)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.5372	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Fort Dodge, IA Webster Co. United States	1st Ave. S / 2nd Ave. S / 6th St. (42.50361, -94.18974)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.7420	Other (At-Grade) Single-Lane	2015	https://www.messengernews.net/progress-2017/progress-2017-business/2017/02/crosstown-connector-completed/ ICD estimated from Google Maps linework.
Fort Dodge, IA Webster Co. United States	1st Ave. S / S 12th St. (42.50480, -94.18270)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.5340	Other (At-Grade) Single-Lane	2016	https://www.messengernews.net/progress-2017/progress-2017-business/2017/02/crosstown-connector-completed/ ICD estimated from Google Maps linework.
Watford City, ND McKenzie Co. United States	Fox Hills Pkwy. N / Wolf Den Pkwy. (47.80034, -103.23455)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1237	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2014-2017). ICD estimated from Google Maps linework.
Watford City, ND McKenzie Co. United States	Fox Hills Pkwy. N / Wolf Den Pkwy. / (unknown) (47.80297, -103.24223)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.5171	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	Year Completed estimated (2014-2017). ICD estimated from Google Maps linework.
Wildwood, MO St. Louis Co. United States	MO 109 / MO 100 WB Ramps / Windsor Meadow Blvd. (38.58501, -90.64241)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.2771	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
Wildwood, MO St. Louis Co. United States	MO 109 / Pond Grover Loop Rd. (38.59084, -90.64046)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.6729	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
Wildwood, MO St. Louis Co. United States	Manchester Rd. / Village Hills Pkwy. / Taylor Rd. (38.57818, -90.62749)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.4797	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2003). ICD estimated from Google Maps linework.
Wildwood, MO St. Louis Co. United States	Old Fairway Dr. / Elderberry Ln. (38.57910, -90.61965)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.0099	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Wildwood, MO St. Louis Co. United States	Old Fairway Dr. / Waterside Dr. (38.57311, -90.62062)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.8135	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Wildwood, MO St. Louis Co. United States	Old Fairway Dr. / Roaring Fork Dr. / (school access) (38.56734, -90.61948)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.1469	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
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.
Mount Pleasant, SC Charleston Co. United States	Park West Blvd. / Queensgate Way (32.89109, -79.78477)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 59.1701	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Mount Pleasant, SC Charleston Co. United States	Park West Blvd. / Grey Marsh Rd. (32.89115, -79.79406)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.1038	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Converted from rotary. Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Mount Pleasant, SC Charleston Co. United States	Park West Blvd. / Bessemer Rd. (32.88999, -79.80271)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.0811	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Fort Worth, TX Tarrant Co. United States	White Settlement Rd. / S Commercial St. (32.75898, -97.34575)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Unknown	2019	.
West Bradford Township, PA Chester Co. United States	Strasburg Rd. / Stargazer Rd. / Romansville Rd. / Shadyside Rd. (39.95351, -75.74518)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 58.5940	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Year Completed estimated (2016-2019). ICD estimated from Google Maps linework.
St George, UT Washington Co. United States	N 400 E / E Tabernacle St. (37.10817, -113.57485)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.5267	Other (At-Grade) Single-Lane	2014	https://fox13now.com/2014/05/22/utah-city-abounds-with-roundabouts/ ICD estimated from Google Maps linework.
St George, UT Washington Co. United States	N Country Ln. / Stonebridge Dr. / W Monterey Dr. (37.11117, -113.62943)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.1450	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1993-2003). ICD estimated from Google Maps linework.
Norman, OK Cleveland Co. United States	Healthplex Dr. / Medical Park Pl. (35.25782, -97.48807)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.8860	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Norman, OK Cleveland Co. United States	Healthplex Pkwy. / Healthplex Dr. (35.26062, -97.48997)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.1572	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	Prairie Pkwy. / Prairie View Rd. (42.49038, -92.43412)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.7219	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Year Completed estimated (2011-2015). Fist completed only with north and south legs, then east and west legs added 2015-2016. ICD estimated from Google Maps linework.
Rome, NY Oneida Co. United States	Rte 825 (Mohawk Dr.-Hill Rd.) / Hangar Rd. (43.22496, -75.41992)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7352	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Year Completed estimated (2017-2018). https://en.wikipedia.org/wiki/New_York_State_Route_825. ICD estimated from Google Maps linework.
Rome, NY Oneida Co. United States	Rte 825 (Hill Rd.) / Floyd Ave. / Brooks Rd. (43.22258, -75.41900)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.2935	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Year Completed estimated (2017-2018). https://en.wikipedia.org/wiki/New_York_State_Route_825 ICD estimated from Google Maps linework.
Morrow, OH Warren Co. United States	Hopewell Valley Dr. / Village View Ln. (39.35521, -84.15327)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.7920	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Morrow, OH Warren Co. United States	Morrow-Cozaddale Rd. / (unknown) (39.35434, -84.16288)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0931	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Ladera Ranch, CA Orange Co. United States	Airoso St. / Andaza St. (33.54258, -117.59578)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.8132	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Ladera Ranch, CA Orange Co. United States	Andaza St. / Aprender St. (33.53717, -117.59692)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7933	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Ladera Ranch, CA Orange Co. United States	Andaza St. / Tierno St. (33.53467, -117.59986)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.8214	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Ladera Ranch, CA Orange Co. United States	Esencia Dr. / Andaza St. (33.53385, -117.60108)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.7995	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Ladera Ranch, CA Orange Co. United States	Esencia Dr. / Fauna Dr. (33.53540, -117.60302)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.7718	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Ladera Ranch, CA Orange Co. United States	Chiquita Canyon Dr. / Fauna Dr. (33.53331, -117.60768)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.8042	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
Ladera Ranch, CA Orange Co. United States	Chiquita Canyon Dr. / Airoso St. (33.53838, -117.60846)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 51.7656	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Ladera Ranch, CA Orange Co. United States	Ascenso Ave. / Sendero Way (33.52666, -117.62398)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.8338	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Ladera Ranch, CA Orange Co. United States	Ribera Rd. / Ascenso Ave. (33.52440, -117.62232)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.8087	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Ladera Ranch, CA Orange Co. United States	Reata Rd. / Ribera Rd. (33.52282, -117.62696)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.7922	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Ladera Ranch, CA Orange Co. United States	Reata Rd. / (unknown) (33.52152, -117.62808)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.8102	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Ferndale, WA Whatcom Co. United States	Portal Way / I-5 NB Ramps (48.85836, -122.58613)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.3591	Freeway Ramps (Grade-Separated) Single-lane w/ Traversable Central Island	2019	Year Completed estimated (2018-2019). https://myferndalenews.com/mayor-second-roundabout-portal-way-5-scheduled-summer_56179/ ICD estimated from Google Maps linework.
El Paso, TX El Paso Co. United States	TX 1966 SPUR / W Schuster Ave. / (parking garage access) (31.76499, -106.50484)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	https://en.wikipedia.org/wiki/Texas_State_Highway_Spur_1966. Pedestrian crossings are grade-separated and pass under central island.
St Louis, MO St. Louis City Co. United States	McKinley Dr. / Wells Dr. (38.63354, -90.28072)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.4467	Other (At-Grade) Single-Lane	2008	Converted from traffic circle in 2007-2008. Previous circle had on-street parking in circulatory roadway. ICD estimated from Google Maps linework.
Orebro, Orebro County Orebro Sweden	Karlskogavagen / E20 NB Ramps (59.23932, 15.14725)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.9313	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Chisholm, MN St. Louis Co. United States	STH 73 / Iron World Rd. (47.48252, -92.89623)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.0430	Other (At-Grade) Single-Lane	2017	https://www.duluthnewstribune.com/news/4344903-new-chisholm-roundabout-open. ICD estimated from Google Maps linework.
Richfield, MN Hennepin Co. United States	W 66th St. / Lyndale Ave. S (44.88339, -93.28654)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.6956	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	https://www.youtube.com/watch?v=zOA3y2UPnVM ICD estimated from Google Maps linework.
Richfield, MN Hennepin Co. United States	66th St. / Nicollet Ave. (44.88344, -93.27819)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.3891	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	https://www.hometownsource.com/sun_current/nicollet-avenue-th-street-roundabout-in-richfield-to-reopen-may/article_fc15b51c-5efb-11e8-b757-2306919783d9.html ICD estimated from Google Maps linework.
Watsonville, CA Santa Cruz Co. United States	Clifford Ave. / Pennsylvania Dr. (36.92259, -121.77482)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.0961	Other (At-Grade) Single-Lane	2014	https://patch.com/california/watsonville/watsonvilles-first-roundabout-opens ICD estimated from Google Maps linework.
Manteca, CA San Joaquin Co. United States	Woodward Ave. / Al Fonseca Ln. (37.77564, -121.23833)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2016
Manteca, CA San Joaquin Co. United States	Woodward Ave. / Oleander Ave. (37.77562, -121.24315)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2019).
Aptos, CA Santa Cruz Co. United States	Aptos Beach Dr. / Esplanade / Beach Dr. / Rio Del Mar Blvd. / Venetian Rd. (36.96915, -121.90525)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 20.9928	Other (At-Grade) Single-Lane	2015	date: https://localwiki.org/santacruz/Roundabout ICD estimated from Google Maps linework.
Watsonville, CA Santa Cruz Co. United States	Ohlone Pkwy. / Manabe Ow Rd. (36.90461, -121.77358)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.4710	Other (At-Grade) Single-Lane	2016	Fourth leg stubbed. date: https://localwiki.org/santacruz/Roundabout ICD estimated from Google Maps linework.
Santee, CA San Diego Co. United States	Town Center Pkwy. / (apartment access) (32.84348, -116.98157)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.0992	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
Cartersville, GA Bartow Co. United States	Burnt Hickory Rd. SE / Burnt Hickory Connector / (unknown) (34.21461, -84.84775)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.3570	Other (At-Grade) Single-Lane	2016	https://patch.com/georgia/cartersville/burnt-hickory-road-connector-includes-bartows-first-roundabout ICD estimated from Google Maps linework.
Lilburn, GA Gwinnett Co. United States	Church St. / Main St. (33.89150, -84.13956)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.7078	Other (At-Grade) Single-Lane	2015	https://www.ajc.com/news/local/lilburn-main-street-realignment-almost-complete/RoyF5GQQusH8jDjPqE2JHJ/ ICD estimated from Google Maps linework.
Lilburn, GA Gwinnett Co. United States	Main St. / Main St. NW (33.89008, -84.13970)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.7770	Other (At-Grade) Single-Lane	2015	https://www.ajc.com/news/local/lilburn-main-street-realignment-almost-complete/RoyF5GQQusH8jDjPqE2JHJ/ ICD estimated from Google Maps linework.
Peachtree Corners, GA Gwinnett Co. United States	Medlock Bridge Rd. NW / Peachtree Corners Cir. (33.97841, -84.21117)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.6062	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	ICD estimated from Google Maps linework.
Athens, GA Clarke Co. United States	Whitehall Rd. / S Milledge Ave. / Phoenix Rd. (33.89800, -83.36513)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.7659	Other (At-Grade) Unknown	2019	ICD estimated from Google Maps linework.
Green Valley, AZ Pima Co. United States	W Continental Rd. / S Camino del Sol (31.85536, -111.00657)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.4910	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Tucson, AZ Pima Co. United States	W Hardy Rd. / N Camino de Anza / N Calle Buena Vista / N Northern Ave. (32.36640, -110.97874)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 44.3863	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Tucson, AZ Pima Co. United States	E Tucson Marketplace Blvd. / (parking lot) (32.18277, -110.94868)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.5196	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Vail, CO Eagle Co. United States	S Frontage Rd. W / (freeway underpass) (39.64051, -106.39973)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 11.0365	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2015-2018). ICD estimated from Google Maps linework.
Vail, CO Eagle Co. United States	N Frontage Rd. W / (freeway underpass) (39.64112, -106.40029)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.0728	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2015-2018). ICD estimated from Google Maps linework.
Topock, AZ Mohave Co. United States	Mohave Valley Hwy. / Golden Shores Pkwy. / Powell Lake Rd. (34.77924, -114.48322)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.0675	Other (At-Grade) Single-Lane	2017	https://content.govdelivery.com/accounts/AZDOT/bulletins/1863d85 ICD estimated from Google Maps linework.
Crown Point, IN Lake Co. United States	W 93rd Ave. / Chase St. / Britney Meux Dr. (41.44979, -87.37395)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.4452	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2015-2017). ICD estimated from Google Maps linework.
Abingdon, MD Harford Co. United States	Tewkesbury Rd. / Shrewsbury Rd. (39.45775, -76.27273)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.7952	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2003-2004). http://onlinepubs.trb.org/Onlinepubs/circulars/ec083/68_Statmeyerpaper.pdf ICD estimated from Google Maps linework.
Lutz, FL Pasco Co. United States	Bexley Village Dr. / Mentmore Blvd. (28.20311, -82.53893)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 58.9420	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Land O' Lakes, FL Pasco Co. United States	Bexley Village Dr. / Tower Rd. / Broad Porch Run (28.21202, -82.53692)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 96.8252	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Lutz, FL Pasco Co. United States	Serenoa Dr. / Long Lake Ranch Blvd. / Nature View Dr. (28.18685, -82.50182)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 96.8480	Other (At-Grade) Single-Lane	2015	Large central island to preserve grove of trees. ICD estimated from Google Maps linework.
Saint-Gédéon, QC Lac-St-Jean-Est Canada	Rte 170 / Rang de la Belle-Rivière / Rue de Quen (48.47879, -71.79000)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.7941	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Saguenay, QC Saguenay Canada	Rte 170 / Autoroute 70 EB Offramp (48.34444, -70.98452)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 55.5668	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Contrecoeur, QC Marguerite-D'Youville Regional County Municipality Canada	Rue Saint-Antoine / Rue des Patriotes (45.85305, -73.22770)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.2563	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Brights Grove, ON Lambton Canada	Rte 7 (Lakeshore Rd.) / Rte 26 (Mandaumin Rd.) (43.02976, -82.23018)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.9377	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2006-2009). Looks very new in Sept 2009 (streetview). ICD estimated from Google Maps linework.
Niagara Falls, ON Niagara Canada	Rte 101 (Mountain Rd.) / Mewburn Rd. (43.13474, -79.12551)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.0366	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Ancaster, Hamilton, ON Hamilton Canada	Wilson St. W / Shaver Rd. (43.20145, -80.01351)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.3067	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	http://forum.skyscraperpage.com/showthread.php?t=160141 ICD estimated from Google Maps linework.
Hamilton, ON Hamilton Canada	Wilson St. W / McClure Rd. / Portia Dr. (43.19860, -80.01798)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.5324	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Langley City, BC Greater Vancouver Canada	203 St. / 53 Ave. (49.09847, -122.65987)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8060	Other (At-Grade) Single-Lane	2016	https://www.langleyadvancetimes.com/news/langley-citys-first-roundabout-opens/ ICD estimated from Google Maps linework.
Langley Township, BC Greater Vancouver Canada	232 St. / 56 Ave. (49.10396, -122.58115)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.8776	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Langley Township, BC Greater Vancouver Canada	48 Ave. / 216 St. / Old Yale Rd. (49.08942, -122.62474)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 30.0000	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2006).