Roundabouts Database Index

29411 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
Aurora, CO Arapahoe Co. United States	E Florida Ave. / S De Gaulle Way / S Duquesne Ct. (39.69027, -104.70622)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 56.0618	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2003-2004). ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	Illinois St. / (unknown) (39.73540, -105.21057)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.5747	Other (At-Grade) Single-Lane	2002	Minimal splitter islands. No detectable warnings for the one pedestrian crossing. ICD estimated from Google Maps linework.
Arvada, CO Jefferson Co. United States	W 66th Ave. / W 66th Dr. (39.81516, -105.17026)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.6867	Other (At-Grade) Single-Lane	2007	Located 35 feet from adjacent stop-controlled intersection. No buffers between sidewalk and circulatory roadway. ICD estimated from Google Maps linework.
Westminster, CO Jefferson Co. United States	Reed St. / Promenade Dr. / (parking lot) (39.88726, -105.07719)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.7403	Other (At-Grade) Single-Lane	2004	Wapiti Circle (statue of small elk herd) installed in center island in 2005 -- https://www.waymarking.com/waymarks/WMDRJH_Wapiti_Circle_Westminster_CO . ICD estimated from Google Maps linework.
Elgin, SC Richland Co. United States	Jacobs Millpond Rd. / Woodcreek Farms Rd. (34.12103, -80.83451)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.7295	Other (At-Grade) Single-Lane	1999	Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Columbia, SC Richland Co. United States	Lake Carolina Dr. / Centennial Dr. / Summit Ridge Dr. (34.16836, -80.87591)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.5862	Other (At-Grade) Single-Lane	2005	Very small splitter islands. ICD estimated from Google Maps linework.
West Columbia, SC Lexington Co. United States	Columbia Circle (Lexington Dr. / Boston Ave.) (33.94995, -81.11397)	Rotary Existing	All-Way Yield None	3 Approaches 0 Driveways 90.1561	Other (At-Grade) Single-Lane		Painted splitter islands on two legs. ICD estimated from Google Maps linework.
San Luis Obispo, CA San Luis Obispo Co. United States	Tank Farm Rd. / Righetti Ranch Rd. (35.25019, -120.63318)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.3341	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Aiken, SC Aiken Co. United States	Bonneville Circle (Trolley Run Blvd. / Market Station Blvd. / Keagan Blvd.) (33.58485, -81.77248)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 54.7226	Other (At-Grade) Single-Lane	2007	Right-turn-only lanes on all approaches; striped out outer lanes of circulatory roadway in front of each splitter island. Yield signs only on left side of entries. ICD estimated from Google Maps linework.
Aiken, SC Aiken Co. United States	Catenary Blvd. / Trolley Run Blvd. (33.59346, -81.77416)	Rotary Existing	All-Way Yield None	3 Approaches 0 Driveways 51.7326	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Striped out outer lane of circulatory roadway in front of splitter islands. Yield signs only on left side of entries. ICD estimated from Google Maps linework.
Aiken, SC Aiken Co. United States	E Gate Dr. / Bedford Pl. SW / Spencer Dr. (33.50671, -81.71833)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 52.7804	Other (At-Grade) Single-Lane		No splitter islands on two legs. ICD estimated from Google Maps linework.
Aiken, SC Aiken Co. United States	E Gate Dr. / Aiken Mall Dr. SW / (parking lot) (33.51065, -81.71479)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.8785	Other (At-Grade) Single-Lane	2000	Channelized right-turn lanes on all legs. No Left Turn signs under Yield signs. Year Completed estimated (1994-2005). ICD estimated from Google Maps linework.
North Augusta, SC Aiken Co. United States	Riverside Blvd. / E Shoreline Dr. / Railroad Ave. / Landing Dr. (33.48467, -81.97233)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.8288	Other (At-Grade) Single-Lane	1996	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
San Antonio, TX Bexar Co. United States	Bella Vista Pl. / Palatine Hill (29.42546, -98.76859)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2005	No buffer between sidewalk and circulatory roadway.
Converse, TX Bexar Co. United States	Loring Park / Hays Parc Rd. (29.46698, -98.31178)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2007	Sidewalk around central island. "King of the Parc", a 40 foot statue of a stag, in central island. https://www.mysanantonio.com/news/houston-texas/article/40-foot-scrap-metal-stag-appreciated-in-San-1544762.php
San Antonio, TX Bexar Co. United States	Wildhorse Pkwy. / Mustang Gate (29.53330, -98.70100)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2004	.
Live Oak, TX Bexar Co. United States	Randolph Brooks Pkwy. / McMorris Blvd. (29.56826, -98.33735)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2018	.
Live Oak, TX Bexar Co. United States	Randolph Brooks Pkwy. / Acateno (29.56563, -98.34333)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Fourth leg stubbed.
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.
Omaha, NE Douglas Co. United States	Grand Ave. / N 166th St. (41.30237, -96.17353)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.3001	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Omaha, NE Douglas Co. United States	N 171st St. / Emmet St. (41.28947, -96.18274)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.4350	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1999-2003). ICD estimated from Google Maps linework.
Omaha, NE Douglas Co. United States	N 172nd St. / Locust St. (41.28520, -96.18319)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.4365	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2003). ICD estimated from Google Maps linework.
Elkhorn, NE Douglas Co. United States	Elk Ridge Dr. / Seward St. (41.27415, -96.22243)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.6519	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Elkhorn, NE Douglas Co. United States	N HWS Cleveland Blvd. / N 184th St. / Cuming St. (41.26800, -96.20306)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.4986	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Elkhorn, NE Douglas Co. United States	Indiana St. / N 184th St. / N 185th St. (41.27003, -96.20517)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.2370	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Elkhorn, NE Douglas Co. United States	N HWS Cleveland Blvd. / N 190th St. (41.26726, -96.21272)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 21.5450	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Elkhorn, NE Douglas Co. United States	Honeysuckle Dr. / N 188th St. (41.27365, -96.21011)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.1333	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Elkhorn, NE Douglas Co. United States	Capitol Ave. / Burke St. / Chicago St. (41.25969, -96.19899)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.4818	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Elkhorn, NE Douglas Co. United States	Capitol Ave. / S 186th Plaza (41.26027, -96.20354)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2769	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Pitt Meadows, BC Greater Vancouver Canada	Airport Way / 113B Ave. / Golden Ears Way SB Ramps (49.20842, -122.67058)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.9909	Freeway Ramps (Grade-Separated) Single-Lane	2009	Year Completed estimated (2008-2009). ICD estimated from Google Maps linework.
Pitt Meadows, BC Greater Vancouver Canada	Airport Way / Bonson Rd. (49.20840, -122.67837)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.8699	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Pitt Meadows, BC Greater Vancouver Canada	Airport Way / Harris Rd. (49.20811, -122.68974)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.2108	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Maple Ridge, BC Greater Vancouver Canada	Jackson Rd. / 102 Ave. (49.18779, -122.54119)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.5401	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
Bennington, NE Douglas Co. United States	Potter St. / Sheffield Dr. / N 155th Ave. (41.32832, -96.15678)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1123	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Bennington, NE Douglas Co. United States	N HWS Cleveland Blvd. / Reynolds St. (41.33176, -96.16864)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.9046	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Omaha, NE Douglas Co. United States	Saddlebrook Dr. / N 147th St. / N 148th St. (41.31173, -96.14448)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.2954	Other (At-Grade) Single-Lane	2002	Year Completed estimated (1999-2003). ICD estimated from Google Maps linework.
Omaha, NE Douglas Co. United States	Fowler Ave. / N 160th St. (41.30164, -96.16345)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1225	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Omaha, NE Douglas Co. United States	Butler Ave. / N 162nd St. (41.30070, -96.16730)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.1229	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Costa Mesa, CA Orange Co. United States	(parking lot) (33.67119, -117.88177)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 169.9671	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Costa Mesa, CA Orange Co. United States	(parking lot) (33.67069, -117.87956)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 177.9198	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
West Hollywood, CA Los Angeles Co. United States	Rosewood Ave. / Westmount Dr. / N W Knoll Dr. (34.08019, -118.37773)	Other Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 34.6223	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
West Hollywood, CA Los Angeles Co. United States	N W Knoll Dr. / Westmount Dr. (34.08937, -118.37921)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.7384	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France Somme France	D928 / Boulevard de la Portelette (50.10084, 1.82903)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 17.6200	Other (At-Grade) Single-lane w/ Traversable Central Island		ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France Somme France	Boulevard de la Portelette / Boulevard des Prés / Rue de l'Isle (50.10071, 1.83110)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 13.7896	Other (At-Grade) Single-lane w/ Traversable Central Island		ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France Somme France	Boulevard des Prés / Avenue du Rivage (50.09970, 1.83428)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 43.6681	Other (At-Grade) Single-lane w/ Traversable Central Island		ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France Somme France	Place Bonaparte (50.10433, 1.82888)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.0451	Other (At-Grade) Single-Lane		Pedestrian access to central island. ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France Somme France	Place Max Lejeune (50.10604, 1.83362)	Other Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 143.2429	Other (At-Grade) Single-Lane		Pedestrian access to central island. ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France Somme France	Rue Jean de Ponthieu / Rue Sainte Catherine / Rue Gantier Patin (50.10712, 1.83252)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 12.2558	Other (At-Grade) Single-lane w/ Traversable Central Island		ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France Somme France	Place du Pilori (50.10763, 1.83556)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 21.4474	Other (At-Grade) Single-Lane		Pedestrian access to central island. ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France Somme France	Chaussée Marcadé / Rue des Teinturiers / Rue des Capucins / Rue aux Pareurs (50.10881, 1.83181)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 13.0213	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France Somme France	Place du Général de Gaulle (50.10886, 1.83966)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 58.9789	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France Somme France	Boulevard Vauban / Avenue du Champ de Foire (50.10414, 1.84057)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.9395	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France Somme France	Place des Déportés et Internés (50.10994, 1.84476)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 17.6167	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France Somme France	Rue Leday / Rue des Astronautes Armstrong et Aldrin (50.11384, 1.85139)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 12.2541	Other (At-Grade) Single-lane w/ Traversable Central Island		ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France Somme France	Place de Verdun (50.11417, 1.82619)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways 51.3136	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France Somme France	D1001 / Rue de Haut (50.11694, 1.82823)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 21.4433	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France Somme France	D925 / D928 (50.11059, 1.81882)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 14.5527	Other (At-Grade) Single-lane w/ Traversable Central Island		ICD estimated from Google Maps linework.
Lancaster, CA Los Angeles Co. United States	W Lancaster Blvd. / 15th St. W (34.69671, -118.15694)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4946	Other (At-Grade) Single-Lane	2019	http://www.abetterroadahead.com/roundabouts.html ICD estimated from Google Maps linework.
Toledo, OH Lucas Co. United States	N Cove Blvd. / Promedica Pkwy. (41.67276, -83.59272)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.5475	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	https://www.toledoblade.com/local/2016/08/19/Traffic-patterns-shift-on-ProMedica-Parkway.html ICD estimated from Google Maps linework.
Toledo, OH Lucas Co. United States	Promedica Pkwy. / (hospital access) (41.67423, -83.59308)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.1152	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	https://www.toledoblade.com/local/2016/08/19/Traffic-patterns-shift-on-ProMedica-Parkway.html ICD estimated from Google Maps linework.
Toledo, OH Lucas Co. United States	Old Promedica Pkwy. / (unknown) (41.67440, -83.59427)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 21.4101	Other (At-Grade) Single-Lane	2018	https://www.toledoblade.com/local/2016/08/19/Traffic-patterns-shift-on-ProMedica-Parkway.html ICD estimated from Google Maps linework.
Perrysburg, OH Wood Co. United States	W River Rd. / Mechanic St. (41.49972, -83.70946)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.7801	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Perrysburg, OH Wood Co. United States	Roachton Rd. / Hull Prairie Rd. (41.52210, -83.67484)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2018).
McConnelsville, OH Morgan Co. United States	W Riverside Dr. / 7th St. (39.65304, -81.86076)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2019	http://www.mchnews.com/news/odot-announces-improvements-to-intersections-two-roundabouts-proposed-for-malta/article_dea21ca4-fe1d-11e6-b327-5b97c644d5e9.html
Malta, OH Morgan Co. United States	7th St. / N Main St. (39.65180, -81.86435)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2019	http://www.mchnews.com/news/odot-announces-improvements-to-intersections-two-roundabouts-proposed-for-malta/article_dea21ca4-fe1d-11e6-b327-5b97c644d5e9.html
Paradise, NL Newfoundland and Labrador Canada	Topsail Rd. / McNamara Dr. / Clearview Heights (47.52766, -52.87295)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.1935	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	https://www.paradise.ca/en/live/topsail-road-mcnamara-drive-roundabout.aspx# ICD estimated from Google Maps linework.
Kimball, MI St. Clair Co. United States	Lapeer Rd. / Allen Rd. (42.98365, -82.52408)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.9380	Other (At-Grade) Single-Lane	2018	https://www.thetimesherald.com/story/news/local/2018/08/01/lapeer-roundabout-opening-traffic-thursday/881947002/ ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Briargate Pkwy. / Wolf Center Dr. (38.97110, -104.72451)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.9272	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Briargate Pkwy. / Valemount Dr. (38.97236, -104.72142)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.4265	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Briargate Pkwy. / Wolf Lake Dr. (38.97533, -104.71652)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.9955	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Year Completed estimated (2017-2019). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Cordera Crest Ave. / Notch Trl. (38.97849, -104.75286)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.0664	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2015-2017). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Cordera Crest Ave. / Old Ranch Rd. (38.98344, -104.75789)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.5651	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2015-2017). ICD estimated from Google Maps linework.
Fullerton, CA Orange Co. United States	E Wilshire Ave. / N Balcom Ave. (33.87245, -117.91555)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 13.8828	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Fullerton, CA Orange Co. United States	W Commonwealth Ave. / N Malden Ave. (33.87237, -117.92655)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 12.8912	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Fullerton, CA Orange Co. United States	W Wilshire Ave. / N Highland Ave. (33.87236, -117.92873)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 15.8661	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Fullerton, CA Orange Co. United States	W Wilshire Ave. / N Ford Ave. (33.87234, -117.93092)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 16.8577	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Lancaster, CA Los Angeles Co. United States	E Lancaster Blvd. / 15th St. E (34.69685, -118.10373)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.5126	Other (At-Grade) Single-Lane	2019	http://www.abetterroadahead.com/roundabouts.html ICD estimated from Google Maps linework.
Raleigh, NC Wake Co. United States	Bilyeu St. / Pullen Rd. (35.77677, -78.66697)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 32.9446	Other (At-Grade) Single-Lane	2019	ICD estimated from Google Maps linework.
Raleigh, NC Wake Co. United States	Concord St. / ME Valentine Dr. (35.78880, -78.67778)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island	2012	Year Completed estimated (2010-2013).
Wake Forest, NC Wake Co. United States	Longleaf Estates Dr. / Rainy Lake St. / Table Mountain Pine Dr. (35.90314, -78.51040)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 22.2506	Other (At-Grade) Single-Lane	2018	No splitter islands. Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Raleigh, NC Wake Co. United States	Leland Dr. / Hartham Park Ave. (35.89622, -78.51338)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 180.9229	Unknown Single-Lane	2007	No splitter islands on any approaches even though there is room for them. Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Lake Forest, CA Orange Co. United States	Catalina / Monarch Blvd. / Dimension Dr. (33.67041, -117.67663)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.7648	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Irvine, CA Orange Co. United States	Ridge Valley / Beacon / Mirth (33.69237, -117.73376)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.6480	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Santa Ana, CA Orange Co. United States	South Pacific Ave. / Willits St. (33.73994, -117.88808)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 13.7160	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2018). ICD estimated from Google Earth.
Santa Ana, CA Orange Co. United States	W Bishop St. / S Baker St. (33.73996, -117.88278)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 10.9248	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Santa Ana, CA Orange Co. United States	W 15th St. / English St. (33.75821, -117.89667)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2016
Santa Ana, CA Orange Co. United States	E Occidental St. / Orange Ave. (33.72383, -117.86526)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8271	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Santa Ana, CA Orange Co. United States	E 3rd St. / N Bush St. (33.74712, -117.86662)	Traffic Calming Circle Existing	Other None	4 Approaches 0 Driveways 13.9031	Other (At-Grade) Single-Lane	2016	Two approaches stop-controlled, two approaches yield-controlled. Appears to have been all-way yield controlled before current configuration. ICD estimated from Google Maps linework.
Orange, CA Orange Co. United States	Designer Dr. / City Blvd. E (33.78117, -117.89081)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.7879	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Santa Ana, CA Orange Co. United States	(parking Lot) (33.70949, -117.84326)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 193.7358	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Irvine, CA Orange Co. United States	(parking lot) (33.69736, -117.76525)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 42.7273	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Aberdeen, MD Harford Co. United States	Beards Hill Rd. / Middleton Rd. / Olympic Square (39.52719, -76.17773)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6364	Other (At-Grade) Single-Lane	2019	https://www.baltimoresun.com/maryland/harford/aegis/cng-ag-aberdeen-roundabout-opens-0927-20190926-2itkrrn43jctnkw2ch6et7ky7m-story.html ICD estimated from Google Maps linework.
Knightdale, NC Wake Co. United States	Wilder Nursery Trl. / Whistle Post Way (35.79498, -78.47446)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.1247	Other (At-Grade) Single-Lane	2013	One-stage pedestrian crossings behind very small splitter islands. Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Knightdale, NC Wake Co. United States	Carolinian Ave. / Knightdale Station Run (35.79907, -78.46866)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.9041	Other (At-Grade) Single-Lane	2017	Initial construction completed 2014-2015. Year Completed estimated (2017-2018) with addition of splitter islands and marked crosswalks. ICD estimated from Google Maps linework.
Clayton, NC Johnston Co. United States	Winston Pointe Dr. / (unknown) (35.64638, -78.51371)	Other Existing	Uncontrolled None	2 Approaches 0 Driveways 36.8808	Other (At-Grade) Single-Lane	2014	Central island only; no splitter islands or intersecting legs. Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
Westwood, CA Los Angeles Co. United States	Ashton Ave. / Westholme Ave. (34.06052, -118.43307)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 12.8627	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Clayton, NC Johnston Co. United States	Athletic Club Blvd. / Charleston Dr. / Stansbury Ln. (35.69108, -78.42676)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 54.3202	Other (At-Grade) Single-Lane	2002	Pedestrian access to central island. Year Completed estimated (1999-2004). ICD estimated from Google Maps linework.