Roundabouts Database Index

28820 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
Seattle, WA King Co. United States	Ashworth Ave. N / N 38th St. (47.65269, -122.34020)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 160.1009	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Burke Ave. N / N 35th St. (47.64919, -122.33510)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 9.6550	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Lindon, UT Utah Co. United States	400 South / 600 West (Lindon Park Circle) (40.33034, -111.73140)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 33.6873	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	Date estimated. ICD estimated from Google Maps linework.
Provo, UT Utah Co. United States	5000 North / Edgewood Dr. (40.30066, -111.65750)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 19.1282	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Edmonton, AB Edmonton Capital Region Canada	St. Albert Trl. / Groat Rd. / 118th Ave. NW (53.57027, -113.54940)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 58.1573	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Orlando, FL Orange Co. United States	N. Lake Orlando Pkwy / Cinderlane Pkwy (28.60276, -81.43106)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 20.9715	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Orinda, CA Contra Costa Co. United States	Hall Dr. / Donald Dr. (37.86411, -122.15310)	Traffic Calming Circle Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 17.9148	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Estero, FL Lee Co. United States	Williams Rd. / Chapel Trace (26.41990, -81.83160)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 29.9485	Other (At-Grade) Single-Lane	2006	Near Estero High School. ICD estimated from Google Maps linework.
Marshall, MI Calhoun Co. United States	I-94 Business (W Michigan Ave.) / M-227 (Kalamazoo Ave.) (42.27199, -84.96413)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 83.0730	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Homer, MI Calhoun Co. United States	Hillsdale St. / Main St. (42.14585, -84.80890)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 39.8485	Other (At-Grade) Single-Lane		Before 1999. ICD estimated from Google Maps linework.
Chattanooga, TN Hamilton Co. United States	SR 153 NB Ramps / Lake Resort Dr. (35.10986, -85.22842)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 55.6902	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2006	At new intersection with new bridge and alignment of Lake Resort Drive. Former intersection was ~800 to the south. Non-symetric design. Some motions have two lanes. Previously controlled by signal ICD estimated from Google Maps linework.
Chattanooga, TN Hamilton Co. United States	SR 153 SB Ramps / N. Access Rd. / TVA offices (35.10868, -85.23122)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 97.7036	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2006	N Access Road is a 4 lane arterial road. Fatal crash April 4, 2010. 11861-05. ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Serenity Park Dr. / (parking lot) (39.01540, -104.81010)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 23.1991	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Newport Rd. / Vapor Trl. (38.80787, -104.72680)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 25.1284	Other (At-Grade) Single-Lane	2002	Y-shaped intersection. ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Rockhurst Blvd. / University Park Blvd. (38.91005, -104.78980)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 21.3750	Other (At-Grade) Single-Lane	1998	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Rockhurst Blvd. / Montebello Dr. (38.90582, -104.78980)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 20.4468	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Carefree Cir. / New Center Pl. (38.87741, -104.71720)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 44.6291	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Treeline View / Stately View (38.87351, -104.86560)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 38.1228	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	(unknown #2) (38.87847, -104.84910)	Other Existing	Unknown Unknown	0 Approaches 0 Driveways 18.5952	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Mesa Rd. / Kissing Camels Dr. (38.87808, -104.86580)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 29.7525	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Lawrence, KS Douglas Co. United States	W. Harvard Rd. / S. Moundridge Dr. (38.96770, -95.30438)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 13.0003	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Boston, MA Suffolk Co. United States	VFW Pkwy. / North Shore Rd. (Butler Circle) (42.41228, -70.99350)	Rotary Existing	Unknown Unknown	0 Approaches 0 Driveways 84.6514	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial ICD estimated from Google Maps linework.
Boston, MA Suffolk Co. United States	Broadway / Main (42.40244, -71.06048)	Rotary Existing	Unknown Unknown	0 Approaches 0 Driveways 123.4694	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Boise, ID Ada Co. United States	S. Touchmark Way / E. Louise Dr. (43.60317, -116.34880)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 29.4050	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Boise, ID Ada Co. United States	S. Touchmark Way / S. Worth Way (43.60206, -116.34610)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 30.2704	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Arlington, VA Arlington Co. United States	Memorial Dr. / Arlington Memorial Bridge (38.88573, -77.06004)	Rotary Existing	Unknown Unknown	0 Approaches 0 Driveways 114.3488	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Washington, DC N/A Co. United States	G St. / 3rd St. SW (38.88127, -77.01520)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 26.9620	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Washington, DC N/A Co. United States	G St. / 1st St. SW (38.88119, -77.01228)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 31.6106	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Washington, DC N/A Co. United States	H St. / Delaware Ave. (38.88028, -77.01262)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 31.6110	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Richmond, VA Henrico Co. United States	Monument Ave. / Allen Ave. (37.55384, -77.46020)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 74.8004	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Richmond, VA Henrico Co. United States	Stuart Circle (37.55246, -77.45788)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 35.9806	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Huntington, NY Suffolk Co. United States	Clinton Ave. / Gerard St. (40.87225, -73.42886)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 14.4499	Other (At-Grade) Single-Lane	2002	http://query.nytimes.com/gst/fullpage.html?res=9D04E4DB133DF931A15751C1A9649C8B63 ICD estimated from Google Maps linework.
Manistee, MI Manistee Co. United States	Lakeshore Dr. / Monroe St. / Cottage Ln. (44.25355, -86.33302)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 45.3388	Other (At-Grade) Single-Lane	1992	Before 1993. No splitter islands on east leg. ICD estimated from Google Maps linework.
Litchfield Park, AZ Maricopa Co. United States	Wigwam Creek Blvd. / (unknown) (33.51746, -112.32560)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 17.9232	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Owensboro, KY Daviess Co. United States	KY 56 / KY 81 (37.75357, -87.17403)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.6605	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Functional Class: Arterial ICD estimated from Google Maps linework.
Albuquerque, NM Bernalillo Co. United States	8th St. / Central Ave. (35.08526, -106.65660)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.3649	Other (At-Grade) Single-Lane	2007	Transition between downtown Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Frankfort, KY Franklin Co. United States	Cardwell Lane / C. Michael Davenport Blvd. (38.16095, -84.91826)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.7458	Other (At-Grade) Single-Lane	2015	Functional Class: Major Collector ICD estimated from Google Maps linework.
Santa Fe, NM Santa Fe Co. United States	Richards Ave. / College Dr. (35.60719, -106.00060)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.1017	Other (At-Grade) Single-Lane	2003	Community College District South of I-25 Previously controlled by 2 way stop Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Corliss Ave. N / N 39th St. (47.65429, -122.33140)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 12.8720	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Bagley Ave. N / N 39th St. (47.65431, -122.33260)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 12.8720	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Meridian Ave. N / N 37th St. (47.65196, -122.33386)	Traffic Calming Circle Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Seattle, WA King Co. United States	Corliss Ave. N / N 37th St. (47.65195, -122.33150)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 16.8953	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Honolulu, HI Oahu Co. United States	Keeaumoku St. / Heulu St. (21.30592, -157.83500)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 17.8032	Other (At-Grade) Single-Lane	1999	Urban. ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	N. Westfield Blvd. / E. 96th St. (39.92686, -86.12680)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 55.8692	Other (At-Grade) Single-Lane	2005	Completed December 2005. Fatal crash October 1, 2007: http://www.indystar.com/apps/pbcs.dll/article?AID=/20071003/LOCAL/710030465/-1/LOCAL17. 11861-05. ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	N. Ditch Rd. / W. 96th St. (39.92681, -86.18403)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 33.8879	Other (At-Grade) Single-Lane	2005	Previously controlled by 4-way stop ICD estimated from Google Maps linework.
Muskegon, MI Muskegon Co. United States	W. Western Ave. / 3rd St. (43.23536, -86.25337)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3635	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2010). ICD estimated from Google Maps linework.
Kalamazoo, MI Kalamazoo Co. United States	W. Michigan Ave. / Rankin Ave. (42.28220, -85.61948)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 51.8160	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Concentric striping in circulatory roadway. Replaced stop-controlled intersection with one uncontrolled approach.
Seattle, WA King Co. United States	Bagley Ave. N / N 42nd St. (47.65796, -122.33260)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other (At-Grade) Unknown
Lawrence, KS Douglas Co. United States	Fall Creek Dr. / Running Ridge Rd. (38.98069, -95.28360)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 41.7789	Other (At-Grade) Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
Lawrence, KS Douglas Co. United States	Clinton Pkwy. / Lake Pointe Dr. (38.94298, -95.32938)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 31.5831	Other (At-Grade) Single-Lane	2005	Fatal crash March 4, 2007. 11861-05.Functional Class: Arterial. ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	8th Ave. NE / NE 115th St. (47.71221, -122.32060)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other (At-Grade) Unknown
Seattle, WA King Co. United States	8th Ave. NE / NE 117th St. (47.71402, -122.32070)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other (At-Grade) Unknown
Seattle, WA King Co. United States	8th Ave. NE / NE 120th St. (47.71584, -122.32070)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other (At-Grade) Unknown
Seattle, WA King Co. United States	8th Ave. NE / NE 123rd St. (47.71767, -122.32080)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 29.7304	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 24th Ave. / Brazee St. (45.54050, -122.64110)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	1989	Completed 10/10/1989.
Portland, OR Multnomah Co. United States	NE 24th Ave. / Thompson St. (45.53896, -122.64110)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 56.8845	Other (At-Grade) Single-Lane	1989	Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 24th Ave. / Tillamook St. (45.53741, -122.64110)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 56.0495	Other (At-Grade) Single-Lane	1989	Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 21st Ave. / Thompson St. (45.53898, -122.64420)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 34.2980	Other (At-Grade) Single-Lane	1989	Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 21st Ave. / Brazee St. (45.54051, -122.64420)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 86.9974	Other (At-Grade) Single-Lane	1989	Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 37th Ave. / Morris St. / Wisteria St. (45.54467, -122.62500)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 16.7290	Other (At-Grade) Single-Lane	1986	Completed 12/23/1986. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 37th Ave. / Brazee St. (45.54057, -122.62500)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 119.6213	Other (At-Grade) Single-Lane	1987	Completed 10/16/1987. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 37th Ave. / Thompson St. (45.53904, -122.62500)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 94.5285	Other (At-Grade) Single-Lane	1987	Completed 11/16/1987. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 30th Ave. / SE Caruthers St. (45.50550, -122.63470)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 78.6812	Other (At-Grade) Single-Lane	1990	Completed 4/23/1990. ICD estimated from Google Maps linework.
Sacramento, CA Sacramento Co. United States	26th St. / I St. (38.57565, -121.47140)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 81.2327	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Sacramento, CA Sacramento Co. United States	24th St. / I St. (38.57636, -121.47410)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 55.0883	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Sacramento, CA Sacramento Co. United States	24th St. / H St. (38.57746, -121.47360)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 70.0264	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Sacramento, CA Sacramento Co. United States	26th St. / E St. (38.58003, -121.46950)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 15.8721	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Davis, CA Yolo Co. United States	Peter J Shields Ave. / East Quad (38.54061, -121.74820)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 16.8150	Other (At-Grade) Unknown		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA Yolo Co. United States	Peter J Shields Ave. / West Quad (38.54028, -121.75010)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 14.9467	Other (At-Grade) Single-Lane		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA Yolo Co. United States	California Ave. / North Quad (38.54252, -121.75300)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 20.5511	Other (At-Grade) Single-Lane		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA Yolo Co. United States	California Ave. / Storer Mall (38.54082, -121.75250)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 13.0783	Other (At-Grade) Single-Lane		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA Yolo Co. United States	California Ave. / Hutchison Dr. (38.53909, -121.75200)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.3015	Other (At-Grade) Single-Lane		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local. Year Completed unknown (before 1993). ICD estimated from Google Maps linework.
Woodland, CA Yolo Co. United States	Palm Ave. / Keystone Ave. (38.68635, -121.77050)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 41.0198	Other (At-Grade) Single-Lane		Circular intersection in older neighborhood. ICD estimated from Google Maps linework.
Madison, WI Dane Co. United States	Kendall Ave. / Grand Ave. (43.07145, -89.43156)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	1997
Madison, WI Dane Co. United States	New Washburn Way / Dandaneau Trl. / Chautauqua Trl. (43.04669, -89.51501)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 13.9650	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Madison, WI Dane Co. United States	Glenway St. / Hillcrest Dr. (43.06437, -89.43896)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 11.3433	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
West Roxbury, MA Suffolk Co. United States	W. Roxbury Pkwy. / Lagrange St. / Newton St. / Hammond Pond Pkwy. / Hammond St. (42.31049, -71.16329)	Rotary Existing	All-Way Yield Unknown	5 Approaches 1 Driveways 72.4235	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Retrofitted in 2014 with the pavement markings. ICD estimated from Google Maps linework. Lacks entry deflection on multiple legs, intersection sight distance.
West Roxbury, MA Suffolk Co. United States	W. Roxbury Pkwy. / Grove St. (42.30330, -71.15137)	Rotary Existing	Unknown Unknown	0 Approaches 0 Driveways 72.4319	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
West Roxbury, MA Suffolk Co. United States	W. Roxbury Pkwy. / Veterans of Foreign Wars Pkwy. (42.29649, -71.14560)	Rotary Existing	Unknown Unknown	0 Approaches 0 Driveways 67.1393	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
West Roxbury, MA Suffolk Co. United States	W. Roxbury Pkwy. / Centre St. (42.28730, -71.14774)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 68.9162	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	34th Ave. SW / SW Elmgrove St. (47.53009, -122.37530)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Edmonton, AB Edmonton Capital Region Canada	107th Ave. / 142nd St. NW (53.55102, -113.56580)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 81.5992	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Edmonton, AB Edmonton Capital Region Canada	Connors Rd. / 85th St. / 83rd St. / 90th Ave. NW (53.52501, -113.45750)	Rotary Removed	Unknown Unknown	5 Approaches 0 Driveways 25.5598	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	Rotary converted to signalized intersection in 2019 to make way for LRT. https://edmontonjournal.com/news/local-news/love-it-or-hate-it-bonnie-doon-traffic-circle-to-be-removed-in-favour-of-four-way-intersection/ ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	16th Ave. E. / E. Spring St. (47.61154, -122.31150)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 8.8568	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	15th Ave. E. / E. Spring St. (47.61155, -122.31280)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 44.2838	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	16th Ave. E. / E. Marion St. (47.61037, -122.31150)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 9.6621	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	17th Ave. E. / E. Marion St. (47.61036, -122.31020)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 6.4414	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Ashworth Ave. N / N 137th St. (47.72868, -122.33970)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 14.4604	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Wallingford Ave. N / N 137th St. (47.72868, -122.33690)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 12.8537	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Hollymead, VA Albemarle Co. United States	Ashwood Blvd. / Stratford Glen / Chimney Rd. (38.10672, -78.43133)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 22.5545	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Short Pump, VA Goochland Co. United States	Capitol One Dr. / Tuckahoe Creek Pkwy. access (37.63382, -77.67312)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 38.7788	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Short Pump, VA Goochland Co. United States	Capitol One Dr. / VA 288 Ramps (37.63224, -77.67027)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 53.9131	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Linton Hall, VA Prince William Co. United States	Braemar Pkwy. (VA 3080) / Iona Sound Dr. (VA 3089) (38.73510, -77.56889)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 46.5816	Other (At-Grade) Single-Lane	1999	Year Completed estimated (1994-2002). ICD estimated from Google Maps linework.
Woburn, MA Middlesex Co. United States	I-95 Ramps / MA 38 (Main St.) (42.49945, -71.15711)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 30.8196	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Revere, MA Suffolk Co. United States	Copeland Circle [Rte 60 (Squire Rd.) / US 1 Ramps] (42.43008, -71.01710)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 381.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)		Retrofitted (November 2018) with multi-lane approaches/departures on the Route 1 ramps and roundabout style pavement markings and signs within the circulating roadway. ICD = 1250 ft x 880 ft. 21442
Boston, MA Suffolk Co. United States	Old Colony Ave. / Columbia Rd. / Southampton St. (42.32935, -71.05222)	Rotary Existing	Unknown Unknown	5 Approaches 0 Driveways 66.2213	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial ICD estimated from Google Maps linework.
Boston, MA Suffolk Co. United States	Columbia Rd. / William J. Day Blvd. (42.32172, -71.05128)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 69.7616	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial ICD estimated from Google Maps linework.
Boston, MA Suffolk Co. United States	Willard St. / I-93 Ramps / Furnace Brook Expwy. (42.24208, -71.02673)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 99.0276	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Newport, RI Newport Co. United States	J. T. Connell Hwy. / Admiral Kalbfus Rd. (41.50703, -71.31757)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2022	Conversion from rotary to roundabout. https://www.newportthisweek.com/articles/rotary-morphing-into-a-roundabout/
Kingston, RI Washington Co. United States	Kingstown Rd. / Point Judith Rd. (41.43422, -71.48238)	Rotary Existing	Unknown Unknown	3 Approaches 0 Driveways 81.4821	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial ICD estimated from Google Maps linework.