Roundabouts Database Index

21764 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.

City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Portland, OR Multnomah Co. United States	N Clarendon Ave (45.58974, -122.72415)	Traffic Calming Circle Existing	Unknown None	1 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Portland, OR Multnomah Co. United States	NE 47th Ave. / NE Brazee St. (45.54056, -122.61496)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 34.2970	Other (At-Grade) Single-Lane	1990	Completed 9/25/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 47th Ave. / NE Thompson St. (45.53903, -122.61496)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 18.4038	Other (At-Grade) Single-Lane	1990	Completed 9/25/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Clackamas St. / NE 53rd Ave. (45.53300, -122.60880)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 30.1185	Other (At-Grade) Single-Lane	1988	Completed 11/3/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 53rd Ave. / NE Hassalo St. (45.53048, -122.60880)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 35.1398	Other (At-Grade) Single-Lane	1988	Completed 11/3/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 7th Ave. / NE Tillamook St. (W) (45.53790, -122.65861)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 83.6552	Other (At-Grade) Single-Lane	1992	Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 7th Ave. / NE Sacramento St. (45.53955, -122.65862)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 121.2965	Other (At-Grade) Single-Lane	1992	Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 7th Ave. / NE Russell St. (45.54126, -122.65861)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 161.4450	Other (At-Grade) Single-Lane	1992	Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 7th Ave. / NE Graham St. (45.54296, -122.65859)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 161.4401	Other (At-Grade) Single-Lane	1992	Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 7th Ave. / NE Morris St. (45.54468, -122.65860)	Traffic Calming Circle Removed	Two-Way Stop None	3 Approaches 0 Driveways 128.8135	Other (At-Grade) Single-Lane	2013	Neighborhood traffic circle was installed 1/9/1992. Removed in 2013 as part of upgrades to the Neighborhood Greenway. Added speed humps nearby. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 7th Ave. / NE Cook St. (45.54717, -122.65859)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 17.5647	Other (At-Grade) Single-Lane	1992	Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Fremont Dr. / NE Dyer St. (45.54603, -122.57509)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 29.2751	Other (At-Grade) Single-Lane	1986	Completed 12/2/1986. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Fremont Dr. / NE 86th Ave. (45.54567, -122.57478)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 25.0931	Other (At-Grade) Single-Lane	1986	Completed 12/2/1986. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Fremont Dr. / NE Duddleson St. (45.54667, -122.57574)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 33.4569	Other (At-Grade) Single-Lane	1986	Completed 12/2/1986. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Holman St. / NE 34th Ave. (45.56826, -122.62965)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 159.6952	Other (At-Grade) Single-Lane	1988	Completed 10/28/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Holman St. / NE 37th Ave. (45.56826, -122.62557)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	1988	Completed 10/28/1988.
Portland, OR Multnomah Co. United States	NE Holman St. / NE 41st St. (45.56858, -122.62172)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 81.9374	Other (At-Grade) Single-Lane	1988	Completed 10/28/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Imperial Ave. / NE Multnomah St. (45.53154, -122.62719)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 74.4616	Other (At-Grade) Single-Lane	1987	Completed 10/22/1987. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE US Grant Pl. / NE 35th Ave. (45.53779, -122.62841)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 14.2214	Other (At-Grade) Single-Lane	1989	Completed 10/11/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE US Grant Pl. / NE 36th Ave. (45.53777, -122.62601)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 40.1546	Other (At-Grade) Single-Lane	1989	Completed 10/11/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NW 26th Ave. / NW Raleigh St. (45.53397, -122.70479)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 19.2420	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NW 27th Ave. / NW Raleigh St. (45.53395, -122.70680)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 10.0393	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 15th Ave. / SE Oak St. (45.52006, -122.65057)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 23.4309	Other (At-Grade) Single-Lane	1988	Completed 9/6/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 15th Ave. / SE Alder St. (45.51792, -122.65058)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 15.9001	Other (At-Grade) Single-Lane	1988	Completed 9/7/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 14th Ave. / SE Main St. (45.51365, -122.65165)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 15.9013	Other (At-Grade) Single-Lane	1988	Completed 9/12/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 13th Ave. / SE Madison St. (45.51294, -122.65266)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 12.5539	Other (At-Grade) Single-Lane	1988	Completed 9/8/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 14th Ave. / SE Taylor St. (45.51507, -122.65166)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 17.5747	Other (At-Grade) Single-Lane	1988	Completed 9/12/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 14th Ave. / SE Pine St. (45.52077, -122.65158)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 15.0625	Other (At-Grade) Single-Lane	1988	Completed 9/12/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 16th Ave. / SE Ash St. (45.52148, -122.64956)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 22.5935	Other (At-Grade) Single-Lane	1988	Completed 10/7/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 27th Ave. / SE Salmon St. (45.51429, -122.63812)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 29.2916	Other (At-Grade) Single-Lane	1982	Completed 2/16/1982. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 30th Ave. / SE Grant St. (W) (45.50679, -122.63472)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 14.2293	Other (At-Grade) Single-Lane	1990	Completed 4/16/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 30th Ave. / SE Grant St. (E) (45.50726, -122.63473)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 109.6480	Other (At-Grade) Single-Lane	1990	Completed 4/16/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 41st Ave. / SE Harrison St. (45.50878, -122.62020)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 80.3506	Other (At-Grade) Single-Lane	1990	Completed 5/30/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 36th Ave. / SE Bybee Blvd. (45.47241, -122.62621)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 56.9518	Other (At-Grade) Single-Lane	1992	Completed 10/6/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE Bybee Blvd. / (SE 37th Ave.) (45.47243, -122.62440)	Traffic Calming Circle Existing	Uncontrolled None	2 Approaches 0 Driveways 20.1003	Other (At-Grade) Single-Lane	1992	Completed 10/6/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 34th Ave. / SE Bybee Blvd. (45.47319, -122.62826)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 81.2389	Other (At-Grade) Single-Lane	1992	Completed 9/30/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 30th Ave. / SE Gladstone St. (45.49337, -122.63466)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 32.6514	Other (At-Grade) Single-Lane	1996	Completed 10/17/1996. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 34th Ave. / SE Gladstone St. (45.49335, -122.62978)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 61.9539	Other (At-Grade) Single-Lane	1996	Completed 10/17/1996. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 37th Ave. / SE Harrison St. (45.50879, -122.62572)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 80.3506	Other (At-Grade) Single-Lane	1990	Completed 9/14/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE Ladd Ave. / SE Palm St. (45.51025, -122.65144)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 40.1743	Other (At-Grade) Single-Lane	1993	Completed 11/8/1993. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE Ladd Ave. / SE Lavender St. (45.50686, -122.64744)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 24.2734	Other (At-Grade) Single-Lane	1983	Completed 11/8/1983. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 46th Ave. / SE Lincoln St. (45.50802, -122.61510)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 35.1539	Other (At-Grade) Single-Lane	1990	Completed 4/23/1990. ICD estimated from Google Maps linework.
Fairbanks, AK Fairbanks North Star United States	C St. / Dunbar Ave. (64.84676, -147.68117)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2010
Fairbanks, AK Fairbanks North Star United States	C St. / Eureka Ave. (64.84572, -147.68117)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2010
Fairbanks, AK Fairbanks North Star United States	D St. / Shannon Dr. (64.85000, -147.67696)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2010
Fairbanks, AK Fairbanks North Star United States	D St. / Cindy Dr. (64.85149, -147.67694)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2010
Fairbanks, AK Fairbanks North Star United States	D St. / Jeanne Dr. (64.85369, -147.67641)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2010
Bloomington, IL McLean Co. United States	Royal Pointe Dr / Brighton Ln (40.49004, -88.93106)	Traffic Calming Circle Existing	Other None	4 Approaches 0 Driveways 55.4069	Other (At-Grade) Single-Lane	1997	Year Completed estimated (1994-1999). ICD estimated from Google Maps linework.
Bloomington, IL McLean Co. United States	Royal Pointe Dr. / Arrowhead Dr. (40.49332, -88.93045)	Traffic Calming Circle Removed	Other None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2014	Removed sometime between 2012 and 2015.
Redding, CA Shasta Co. United States	Madison River Dr. / Clark River Dr. (40.54198, -122.31914)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2002	Year Completed estimated (1999-2004).
San Luis Obispo, CA San Luis Obispo Co. United States	Chorro St. / High St. (35.27217, -120.65736)	Traffic Calming Circle Existing	Two-Way Stop None	4 Approaches 0 Driveways 10.7258	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
San Luis Obispo, CA San Luis Obispo Co. United States	Chorro St. / Church St. (35.27448, -120.65800)	Traffic Calming Circle Existing	Two-Way Stop None	4 Approaches 0 Driveways 29.2513	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
(unincorporated), CO Douglas Co. United States	Blackgum St. / Golden Eye Ave. (39.56456, -104.80327)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 31.3044	Other (At-Grade) Single-Lane	2001	No splitter islands. Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
San Luis Obispo, CA San Luis Obispo Co. United States	Chorro St. / Islay St. (35.27610, -120.65977)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 15.6004	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Pelican St. / (unknown) (39.97597, -104.74867)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Earth.
Hunts Point, WA King Co. United States	84th Ave. NE / NE 30th St. (47.63651, -122.22817)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 159.3457	Other (At-Grade) Single-Lane	2014	Originally built between 1990 and 2002. Modified June 2014 to realign south leg. No splitter islands. ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Boylston Ave. / E. Howell St. (47.61765, -122.32347)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 128.8107	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Conway, AR Faulkner Co. United States	Country Club Rd. / Kensington Dr. (35.07843, -92.48086)	Traffic Calming Circle Existing	Two-Way Stop None	4 Approaches 0 Driveways 10.7514	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Conway, AR Faulkner Co. United States	Irby Dr. / Amelia Dr. (35.10676, -92.48925)	Traffic Calming Circle Existing	All-Way Stop None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2003
Conway, AR Faulkner Co. United States	Irby Dr. / Poteete Dr. (35.10681, -92.49355)	Traffic Calming Circle Existing	All-Way Stop None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2003
Terre Haute, IN Vigo Co. United States	2440 Huber Ln (39.43817, -87.38012)	Traffic Calming Circle Existing	Unknown None	2 Approaches 4 Driveways 23.0598	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Terre Haute, IN Vigo Co. United States	2328 Huber Ln (39.43817, -87.38160)	Traffic Calming Circle Existing	Unknown None	2 Approaches 2 Driveways 23.0598	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Terre Haute, IN Vigo Co. United States	2216 Huber Ln (39.43806, -87.38327)	Traffic Calming Circle Existing	Unknown None	1 Approaches 2 Driveways 23.0599	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Fayetteville, AR Washington Co. United States	N Vandeventer Ave. / W Ila St. (36.07101, -94.16435)	Traffic Calming Circle Existing	Two-Way Stop None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island	2008
Fayetteville, AR Washington Co. United States	N Vandeventer Ave. / W Cleburn St. (36.07471, -94.16427)	Traffic Calming Circle Existing	Two-Way Stop None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2008
Albany, OR Benton Co. United States	NW Squire St. / Flame Tree Ln. NW / NW Beehollow Ln. (44.66551, -123.13765)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 18.6875	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2010). ICD estimated from Google Maps linework.
Albany, OR Benton Co. United States	Flame Tree Dr. NW / NW 24th Ave. / NW Laura Vista Dr. (44.66454, -123.13891)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 24.6340	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2010). ICD estimated from Google Maps linework.
Littleton, CO Arapahoe Co. United States	Powers Ave. / S Greenwood St. (39.61509, -105.00042)	Traffic Calming Circle Existing	Two-Way Stop Unknown	4 Approaches 0 Driveways 35.8818	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Littleton, CO Arapahoe Co. United States	S Gallup St. / W Arapahoe Rd. (39.59517, -105.00233)	Traffic Calming Circle Existing	Two-Way Stop Unknown	4 Approaches 0 Driveways 12.8843	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Littleton, CO Arapahoe Co. United States	S Elati St. / W Davies Way (39.58691, -104.99775)	Traffic Calming Circle Existing	Two-Way Stop Unknown	4 Approaches 0 Driveways 9.2042	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Littleton, CO Arapahoe Co. United States	W Caley Ave. / S Spotswood St. (39.60239, -105.01162)	Traffic Calming Circle Existing	Two-Way Stop Unknown	4 Approaches 0 Driveways 57.0533	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Charlottesville, VA Charlottesville Co. United States	109 Burnet St (38.02424, -78.48827)	Traffic Calming Circle Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 13.1717	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	Neighborhood mini-roundabout placed in lieu of all-way stop when a new section was added in residential development in the City of Charlottesville. ICD estimated from Google Maps linework.
Litchfield Park, AZ Maricopa Co. United States	Wigwam Creek Blvd. / Windsor Blvd. (33.51009, -112.32786)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 15.9331	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Pleasanton, CA Alameda Co. United States	Mill Creek Pl. / Oak Vista Way (37.65794, -121.89347)	Traffic Calming Circle Existing	Uncontrolled None	3 Approaches 1 Driveways 16.0738	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1993-2002). ICD estimated from Google Maps linework.
Santa Clara, CA Santa Clara Co. United States	Cypress Ave. / Cecil Ave. (37.32430, -121.95985)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.3920	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Stamford, CT Fairfield Co. United States	Shippan Ave. / Fairview Ave. (41.02609, -73.52336)	Traffic Calming Circle Existing	Two-Way Stop None	4 Approaches 0 Driveways 13.5152	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Greenwich, CT Fairfield Co. United States	Sound Beach Ave. / (unknown) (41.03011, -73.56715)	Traffic Calming Circle Existing	Other None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Calgary, AB Alberta Canada	Scarboro Ave. SW / Sudbury Ave. SW / Shelbourne St. SW (51.04168, -114.10631)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 20.2754	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2008-2011). ICD estimated from Google Maps linework.
Columbia, MO Boone Co. United States	Wisteria Ln. / Crape Myrtle Dr. (38.89785, -92.38804)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 19.5196	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Columbia, MO Boone Co. United States	New Town Ave. / Center St. (38.87357, -92.36947)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 18.5965	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Columbia, MO Boone Co. United States	Bristol Lake Dr. / Braddington Dr. (38.89246, -92.29611)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 22.3098	Other (At-Grade) Single-Lane	2006	fourth approach is now built; see Google satellite view ICD estimated from Google Maps linework.
Cranberry Township, PA Butler Co. United States	Westinghouse Dr. / (parking lots) (40.68248, -80.08626)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.8881	Other (At-Grade) Single-Lane	2009	No splitter islands. Serves a parking lot gateway. ICD estimated from Google Maps linework.
Vancouver, BC Greater Vancouver Canada	Heather St. / W 60th Ave. (49.21605, -123.12393)	Traffic Calming Circle Existing	Other Unknown	4 Approaches 0 Driveways 14.0426	Other (At-Grade) Single-Lane	2008	No yield or stop signs. ICD estimated from Google Maps linework.
Vancouver, BC Greater Vancouver Canada	Heather St. / 62nd Ave. (49.21424, -123.12399)	Traffic Calming Circle Existing	Other Unknown	3 Approaches 0 Driveways 10.9224	Other (At-Grade) Single-Lane	2008	No yield or stop signs. ICD estimated from Google Maps linework.
Vancouver, BC Greater Vancouver Canada	Heather St. / W 64th Ave. (49.21235, -123.12407)	Traffic Calming Circle Existing	Other Unknown	3 Approaches 0 Driveways 10.9229	Other (At-Grade) Single-Lane	2008	No yield or stop signs. ICD estimated from Google Maps linework.
Vancouver, BC Greater Vancouver Canada	Heather St. / W 68th Ave. (49.21027, -123.12414)	Traffic Calming Circle Existing	Other Unknown	4 Approaches 0 Driveways 10.9233	Other (At-Grade) Single-Lane	2008	No yield or stop signs. ICD estimated from Google Maps linework.
Kamloops, BC Thompson-Nicola Canada	Nicola St. / 12th Ave. (50.67224, -120.31177)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2014
La Crosse, WI La Crosse Co. United States	King St. / 19th St. S (43.81013, -91.22819)	Traffic Calming Circle Existing	Other Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
La Crosse, WI La Crosse Co. United States	Farnam St. / 20th St. S (43.79786, -91.22690)	Traffic Calming Circle Existing	Other Unknown	4 Approaches 0 Driveways 12.0687	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Charlotte, NC Mecklenburg Co. United States	E 8th St. / Lamar Ave. (35.21570, -80.81996)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 82.9388	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Johns Creek, GA Fulton Co. United States	Weathervane Dr. / Mabry Park Pl. (34.05871, -84.21291)	Traffic Calming Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 11.8735	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Bexley, OH Franklin Co. United States	S Gould Rd. / Dale Ave. (39.96392, -82.92387)	Traffic Calming Circle Existing	Two-Way Stop Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bexley, OH Franklin Co. United States	Gould Rd. / Powell Ave. (39.96599, -82.92369)	Traffic Calming Circle Existing	Two-Way Stop Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Tuttle West, OH Franklin Co. United States	Bow Falls Blvd. / Cross River Falls Blvd. / Rainbow Falls St. (40.05861, -83.17153)	Traffic Calming Circle Existing	Other Unknown	4 Approaches 0 Driveways 115.1795	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
South Yarmouth, MA Barnstable Co. United States	Wampanoag Rd. / Eldridge Rd. (41.64863, -70.21542)	Traffic Calming Circle Existing	Uncontrolled None	4 Approaches 0 Driveways 39.2675	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Mashpee, MA Barnstable Co. United States	Rock Landing Rd. / Cross Rd. / Greensward Rd. (41.57286, -70.47406)	Traffic Calming Circle Existing	Other Unknown	4 Approaches 0 Driveways 55.3965	Other (At-Grade) Single-Lane		Private roads. Mixed Stop-controlled and free-merge. ICD estimated from Google Maps linework.
Mashpee, MA Barnstable Co. United States	Triton Sound Circle / Troon Way / Greenwards Rd. / Shore Dr. West / Landmark Ave. (41.56210, -70.47509)	Traffic Calming Circle Existing	All-Way Stop Unknown	5 Approaches 0 Driveways 57.1930	Other (At-Grade) Single-Lane		On private roads ICD estimated from Google Maps linework.
Waterloo, ON Waterloo Canada	New Bedford Dr / Eastbridge Blvd / Shediac Crescent (43.51109, -80.50054)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.5765	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Amesbury, MA Essex Co. United States	Market St (Rte 150) / Elm St / Main St (Rte 150) / High St (42.85794, -70.93010)	Traffic Calming Circle Existing	Other None	4 Approaches 0 Driveways 13.1324	Other (At-Grade) Single-Lane		On-Street parking in the traffic circle ICD estimated from Google Maps linework.
Gloucester, MA Essex Co. United States	Washington St / Middle St (42.61204, -70.66700)	Traffic Calming Circle Existing	Uncontrolled None	4 Approaches 0 Driveways 25.4902	Other (At-Grade) Single-Lane		Pavement markings done around 2013, on-street parking at traffic circle ICD estimated from Google Maps linework.