Roundabouts Database Index

29904 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
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.
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.
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.
Artesia, NM Eddy Co. United States	N 2nd St. / W Texas Ave. (32.84338, -104.39882)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.0856	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Benton, AR Saline Co. United States	Alcoa Rd. / (unknown) (34.59911, -92.53440)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.1384	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Benton, AR Saline Co. United States	Alcoa Rd. / Boone Rd. (34.59647, -92.53457)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.2580	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Pendleton, IN Madison Co. United States	IN 38 / S 300 W (39.99799, -85.72967)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.3215	Unknown Single-Lane	2013	http://www.mccog.net/Roundabout_School/index.html. ICD estimated from Google Maps linework.
Lafayette, IN Tippecanoe Co. United States	E 430 S / S 150 E / S 18th St. (40.35570, -86.87599)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.6860	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Carencro, LA Lafayette Par. United States	Hector Connoly Rd. / (shopping center access) (30.32295, -92.03074)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0518	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2012-2013). 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.
Cornwall, ON Stormont, Dundas and Glengarry Canada	Brookdale Ave. / 7th St. W (45.02273, -74.74777)	Rotary Existing	Other None	4 Approaches 0 Driveways 139.2902	Other (At-Grade) Multilane (2 Lane, unspecified)		Yield signs within circulatory roadway at Brookdale approaches. ICD estimated from Google Maps linework.
St Albans, VT Franklin Co. United States	Industrial Park Rd. / Benoit Dr. (44.80056, -73.09987)	Other Existing	All-Way Yield None	4 Approaches 1 Driveways 86.4401	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Mascouche, QC Les Moulins Regional County Municipality Canada	Avenue de l'Esplanade / Avenue Bourque (45.72771, -73.62837)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.6885	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2005-2008). ICD estimated from Google Maps linework.
Sainte-Julie, QC Marguerite-D'Youville Regional County Municipality Canada	Chemin du Fer-à-Cheval / Rue Murano / Avenue Jules-Choquet (45.58708, -73.32675)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.9254	Other (At-Grade) Single-Lane	2007	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Beloeil, QC La Vallée-du-Richelieu Regional County Municipality Canada	Avenue Armand-Lamoureux / Avenue Carmen-Bienvenu / Rue Rémi-Dansereau / Rue Adrian-Provencher (45.58948, -73.20364)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.7892	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Beloeil, QC La Vallée-du-Richelieu Regional County Municipality Canada	Boulevard Yvon-l'Heureux N / Rue Saint-Jean-Baptiste (45.58079, -73.21466)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.1239	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2005-2009). ICD estimated from Google Maps linework.
Longueuil, QC Longueuil Canada	Boulevard de Montarville / Rte 132 WB Ramps / (transit center) (45.60163, -73.45036)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.7802	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2006	Year Completed estimated (2004-2007). ICD estimated from Google Maps linework.
Lévis, QC Lévis Canada	Rue Christophe-Colomb / Rue Louis H. La Fontaine / Rue de la Pascaline / Rue Charles Rodrigue (46.77829, -71.16995)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2594	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Joliet, IL Kendall Co. United States	Wildsprings Pkwy. / Waterbury Dr. (41.56095, -88.29127)	Traffic Calming Circle Existing	All-Way Stop None	4 Approaches 0 Driveways 18.7668	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Conway, AR Faulkner Co. United States	Van Ronkle St. / Markham St. / Chestnut St. (35.09176, -92.44000)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 17.5903	Other (At-Grade) Single-lane w/ Traversable Central Island	2019	https://conwayarkansas.gov/news/conway-arkansas-build-25th-roundabout-construction-starts-monday/. ICD estimated from Google Maps linework.
Fort Wayne, IN Allen Co. United States	E Wallen Rd. / Auburn Rd. (41.16245, -85.11852)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.2684	Other (At-Grade) Single-Lane	2015	Some confusion on the date of construction. News article (link below) says a bridge and roundabout will be constructed in 2016, yet Streetview shows the roundabout done in late 2015 with the bridge still under construction. https://www.journalgazette.net/news/local/-2-5-million-OK-d-to-fix-Auburn-Road-5788893. ICD estimated from Google Maps linework.
Kealakekua, HI Hawaii Co. United States	Halekii St. / Muli St. (19.51673, -155.92736)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 18.0113	Other (At-Grade) Single-lane w/ Traversable Central Island		Stop control on side street. ICD estimated from Google Maps linework.
Kealakekua, HI Hawaii Co. United States	Halekii St. / Mamao St. (19.51783, -155.92400)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 22.5140	Other (At-Grade) Single-lane w/ Traversable Central Island		Stop control on side street. ICD estimated from Google Maps linework.
North Shore, HI Honolulu Co. United States	Kamehameha Hwy / Hwy 82 / Hwy 930 (21.57568, -158.10573)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 157.7116	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
De Kalb, IL DeKalb Co. United States	Health Services Dr. / (unknown) / (parking lot) (41.96413, -88.72497)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.0746	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Toledo, OH Lucas Co. United States	W Manhattan Blvd. / Phillips Ave. / Blanchard St. (41.68496, -83.55039)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.4889	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Victoria, BC Capital Canada	Watkiss Way / Despoilation Alley (48.46815, -123.43039)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.8429	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
Fort Wayne, IN Allen Co. United States	Union Chapel Rd. / Auburn Rd. (41.20007, -85.11421)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.9452	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	https://www.in.gov/indot/3085.htm. ICD estimated from Google Maps linework.
St Albert, AB Alberta Canada	Jensen Lake Blvd. / (unknown) (53.66511, -113.63856)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.2593	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Columbus, IN Bartholomew Co. United States	US 31 / E CR 400 S (39.14378, -85.84092)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.1249	Other (At-Grade) Single-Lane	2016	https://www.in.gov/indot/3445.htm. ICD estimated from Google Maps linework.
Whitehorse, YT Yukon Canada	Hamilton Blvd. / Lobird Rd. (60.68209, -135.07161)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.5569	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2004-2010). ICD estimated from Google Maps linework.
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.
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.
Carmel, IN Hamiloton Co. United States	96th St. / Gray Rd. / River Ridge Dr. (39.92693, -86.08871)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.6261	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	ICD estimated from Google Maps linework.
Aurora, CO Arapahoe Co. United States	Copperleaf Blvd. / S Tibet St. (39.62772, -104.72553)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.0740	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Castle Pines, CO Douglas Co. United States	W Castle Pines Pkwy. / Pine Ridge Ln. / Buffalo Trl. (39.47283, -104.91386)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4238	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Castle Pines, CO Douglas Co. United States	Daniels Gate Dr. / Grigs Rd. (39.48770, -104.91860)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7912	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Parker, CO Douglas Co. United States	Pavilion Dr. / (parking lots) (39.50940, -104.76748)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6435	Other (At-Grade) Single-Lane	2003	Within shopping center. Year Completed estimated (2001-2004). ICD estimated from Google Maps linework.
Parker, CO Douglas Co. United States	Clubhouse Dr. / S Pikes Peak Dr. (39.51305, -104.76302)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.5634	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1994-1999). ICD estimated from Google Maps linework.
Lakewood, CO Jefferson Co. United States	W Dartmouth Pl. / W Cornell Pl. / (high school access) (39.66034, -105.10813)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.2611	Other (At-Grade) Single-Lane	2006	https://www.denverpost.com/2006/08/03/on-the-side-84/ . ICD estimated from Google Maps linework.
Aurora, CO Arapahoe Co. United States	S Old Tom Morris Rd. / Catawba Cir. / (golf course parking lot) (39.68629, -104.70910)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0875	Other (At-Grade) Single-Lane	2000	Windmill in central island. Year Completed estimated (1999-2003). ICD estimated from Google Maps linework.
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.
Castle Rock, CO Douglas Co. United States	Sapphire Pointe Blvd. / Sulfur Ln. / Peridot Ln. (39.42788, -104.84576)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 63.6545	Other (At-Grade) Single-Lane	2003	Single-stage pedestrian crossings, fully traversable splitter islands, no buffer between sidewalk and circulatory roadway. Year Completed estimated (2002-2005). 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	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. / 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	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.
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.
Rio Rancho, NM Sandoval Co. United States	King Blvd. NE / Main St. NE (35.31189, -106.68624)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.2886	Other (At-Grade) Single-Lane	2007	Fourth leg stubbed. Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Rio Rancho, NM Sandoval Co. United States	King Blvd. NE / Park Dr. NE (35.31365, -106.68872)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.1100	Other (At-Grade) Single-Lane	2006	Fourth leg stubbed. Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Rio Rancho, NM Sandoval Co. United States	Country Club Dr. SE / Broadmoor Blvd. / Esplanade Cir. SE (35.24556, -106.67238)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.2618	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Rio Rancho, NM Sandoval Co. United States	Cherry Rd. NE / 17th Ave. NE (35.28760, -106.70361)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.1712	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Albuquerque, NM Bernalillo Co. United States	Monolith Dr. NW / Boulder Trl. Pl. NW (35.19212, -106.70888)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.3050	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
Wentzville, MO St. Charles Co. United States	Wilmer Valley Dr. / Wilmer Ridge Dr. (38.79278, -90.86444)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2675	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
O'Fallon, MO St. Charles Co. United States	Phoenix Pkwy. / Redhawk Pkwy. / Red Hawk Pl. (38.74510, -90.73630)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5341	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1996-2002). ICD estimated from Google Maps linework.
O'Fallon, MO St. Charles Co. United States	Phoenix Pkwy. / Phoenix Dr. / Boardwalk Place Dr. (38.74122, -90.73747)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5359	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1996-2002). ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Kendall Pkwy. / Aldrin Dr. (40.42884, -105.01002)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.9112	Other (At-Grade) Single-Lane	2019	Fourth leg stubbed. ICD estimated from Google Maps linework.
Barnhart, MO Jefferson Co. United States	Metropolitan Blvd. / Marriott Ln. / (unknown) / I-55 SB On-ramp (38.34633, -90.39727)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.5939	Freeway Ramps (Grade-Separated) Single-Lane	2010	Year Completed estimated (2010-2011). 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.