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
Muskegon Township, MI Muskegon Co. United States	Chesapeake Dr. / Walker Rd. (43.23787, -86.17437)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.4138	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Washington, DC N/A Co. United States	Pennsylvania Ave. / Potomac Ave. (38.88034, -76.98549)	Signalized Roundabout/Circle Existing	Signal None	0 Approaches 0 Driveways 81.8167	Other (At-Grade) Unknown		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	Botulph Rd. / Arroyo Chamiso Rd. / Miguel Chavez Rd. (35.64938, -105.94790)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.1153	Other (At-Grade) Single-Lane	2002	Urban Compact, Southeast Santa Fe neighborhood Functional Class: Minor Collector ICD estimated from Google Maps linework.
Santa Fe, NM Santa Fe Co. United States	Zafarano Dr. / San Ignatio Rd. (35.64579, -106.01394)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.9988	Other (At-Grade) Single-Lane	2006	Southwest Santa Fe near Lowes Building Supply. 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.
Santa Fe, NM Santa Fe Co. United States	Rufina St. / Zafarano Dr. (35.64938, -106.01476)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 32.0268	Other (At-Grade) Single-Lane	2007	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.
Santa Fe, NM Santa Fe Co. United States	Governor Miles Rd. / (unnamed) (35.62729, -106.01980)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.2110	Other (At-Grade) Single-Lane	2003	South Santa Fe East of Cerrillos Road Functional Class: Minor Collector 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.
Acoma Indian Reservation, NM McKinley Co. United States	SH 30 / I-40 EB Ramps (35.07341, -107.56120)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 65.4897	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2010	Merging right-turn bypass lane on west leg. Series of 3 roundabouts. ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	NE 18th St. / Cooley Rd. (44.11047, -121.27940)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.5914	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Only two legs to open initially - full operation in 2008. ICD estimated from Google Maps linework.
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.
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.
Macomb, MI Macomb Co. United States	25 Mile Rd. / Hayes Rd. (42.70090, -82.97623)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.4973	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	SW Bond St. / Wilson St. (44.04616, -121.30970)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.4799	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Single-Lane except one separate right turn lane 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	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.
Central Oahu Regional Park, HI Oahu Co. United States	Ka Uka Blvd. / Waipio Uka St. (21.41762, -158.00730)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1385	Other (At-Grade) Single-Lane	2002	Completed prior to 2006 Construction stage aerial in Google Earth. Functional Class: Park Road ICD estimated from Google Maps linework.
Salt Lake, HI Oahu Co. United States	Ala Napunani St. / Likini St. (21.34596, -157.90180)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.4727	Other (At-Grade) Single-Lane	2001	Existing prior to 2006, includes driveway as 4th leg. Functional Class: Collector ICD estimated from Google Maps linework.
Los Alamos, NM Los Alamos Co. United States	Diamond Dr. / San Ildefonso Rd. (35.89893, -106.29866)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.0241	Other (At-Grade) Single-Lane	2008	Redesign of existing traffic circle; previously controlled by 1 stop, 3 yields. Right-turn bypass lanes on west and east legs. Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Pearl Harbor Naval Base (Ford Island), HI Oahu Co. United States	Ford Island Blvd. / Saratoga Blvd. (21.36689, -157.95610)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.2752	Other (At-Grade) Single-Lane	2006	Existing prior to 2005. Relocated in 2005/2006. Functional Class: Collector 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.
Glenwood Springs, CO Garfield Co. United States	Mel Ray Rd. / I-70 WB Ramps / US 6 (39.56142, -107.36127)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 44.1965	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2006	ICD estimated from Google Maps linework.
Acoma Indian Reservation, NM McKinley Co. United States	Silver Dollar Rd. / Veterans Blvd. (35.07119, -107.56000)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 43.0093	Other (At-Grade) Single-Lane	2010	Near Hospital, low ADT, series of 3 roundabouts. ICD estimated from Google Maps linework.
Honolulu, HI Oahu Co. United States	Haloa Dr. / Ala Oli St. (21.36132, -157.92560)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.2456	Other (At-Grade) Single-Lane	2005	Constructed prior to 2006 in Foster Village subdivision. ICD estimated from Google Maps linework.
Glenwood Springs, CO Garfield Co. United States	Mel Ray Rd. / I-70 EB Ramps / Midland Ave. / Riverine Rd. (39.56019, -107.36139)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.9595	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2006	1 of 2 at Exit 114 on I-70, observed under construction in 2005. 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.
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.
Beaverton, OR Washington Co. United States	SW Hart Rd. / Sorrento Rd. / Juniper Terr. (45.46680, -122.80880)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1283	Other (At-Grade) Single-Lane		Functional Class: Collector. Pedestrian ramps into circulatory roadway. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 58th Ave. (S) / SE Lincoln St. (45.50805, -122.60380)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 104.6245	Other (At-Grade) Single-Lane	1990	Completed 5/8/1990. 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.
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 32nd Ave. / SE Lincoln St. (45.50825, -122.63270)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 12.5549	Other (At-Grade) Single-Lane	1990	Completed 4/25/1990. 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.
Portland, OR Multnomah Co. United States	SE 31st Ave. / SE Clinton St. (45.50354, -122.63360)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 14.2301	Other (At-Grade) Single-Lane	1990	Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 23rd Ave. / SE Clinton St. (45.50339, -122.64260)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 31.8085	Other (At-Grade) Single-Lane	1990	Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 37th Ave. / SE Lincoln St. (45.50806, -122.62570)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 15.0659	Other (At-Grade) Single-Lane	1990	Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 43rd Ave. / SE Lincoln St. (45.50799, -122.61810)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 22.5989	Other (At-Grade) Single-Lane	1990	Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 51st Ave. / SE Lincoln St. (45.50803, -122.61000)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 15.0659	Other (At-Grade) Single-Lane	1990	Completed 4/23/1990. 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	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. / 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.
Tumwater, WA Thurston Co. United States	Tumwater Blvd. / New Market St. (46.97971, -122.91320)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.7052	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Functional Class: Arterial ICD estimated from Google Maps linework.
Yelm, WA Thurston Co. United States	SR 510 / Mud Run Rd. SE (46.96465, -122.63230)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.8630	Other (At-Grade) Single-Lane	2010	October 2010. ICD estimated from Google Maps linework.
Mendon, NY Monroe Co. United States	NY 65 / NY 251 (42.99061, -77.57766)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.8180	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Springfield, OR Lane Co. United States	Hayden Bridge Way / Pioneer Pkwy. / Wayside Ln. (44.07090, -123.02880)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	5 Approaches 0 Driveways 52.3441	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	http://www.registerguard.com/news/2006/09/21/a1.roundabout.0921.p1.php?section=cityregion Prior configuration was an offset T with Wayside east of Pioneer Parkway East. M L King Parkway did not exist. ICD estimated from Google Maps linework.
Eno, CO Adams Co. United States	Memphis St. / E. 105th Way (39.88830, -104.79660)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.8265	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
Eno, CO Adams Co. United States	Memphis St. / E. 106th Pl. (39.88960, -104.79650)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.6588	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
Eno, CO Adams Co. United States	Kittredge St. / E. 105th Ave. (39.88913, -104.80030)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.2377	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
Eno, CO Adams Co. United States	Kittredge St. / E. 107th Ave. (39.89114, -104.80140)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.3237	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
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.
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.
Cottonwood, AZ Yavapai Co. United States	AZ 89A / Groseta Ranch Rd. (34.74706, -112.04510)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.1235	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Cottonwood, AZ Yavapai Co. United States	AZ 89A / Lisa St. / Lincoln Dr. (34.75449, -112.05400)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.0444	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Mesa, AZ Maricopa Co. United States	Brown Rd. / Loop 202 SB Ramps (33.43689, -111.65280)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.8563	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Mesa, AZ Maricopa Co. United States	Brown Rd. / Loop 202 NB Ramps (33.43694, -111.64850)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.8396	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Sedona, AZ Coconino Co. United States	AZ 89A / AZ 179 (34.86597, -111.76370)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.1774	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Functional Class: Arterial ICD estimated from Google Maps linework.
Chesterfield Court House, VA Chesterfield Co. United States	Mimms Dr. / Government Center Pkwy. (37.37778, -77.50466)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.1481	Other (At-Grade) Single-Lane	2003	Right-turn-only lane on north leg. ICD estimated from Google Maps linework.
Hollymead, VA Albemarle Co. United States	Timberwood Blvd. / Conner Blvd. (38.13065, -78.44083)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.8813	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Hollymead, VA Albemarle Co. United States	Timberwood Blvd. / Grand Forks Blvd. (38.13111, -78.44283)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 93.9459	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Hollymead, VA Albemarle Co. United States	Powell Creek Dr. / Timberwood Pkwy. / Shady Brook Trl. (38.11509, -78.43404)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.3710	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Winchester, VA Frederick Co. United States	Airport Rd. / Victory Rd. (39.13417, -78.13571)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 32.4242	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2003-2005). 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	Tartan Hills Pkwy (VA 3254) / Broadsword Dr. (VA 3256) (38.74232, -77.58066)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.9462	Other (At-Grade) Single-Lane	2003	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.
Amherst, VA Amherst Co. United States	US 60 / US 29 (37.58815, -79.04990)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.2314	Other (At-Grade) Single-Lane	2004	Constructed in 1936, upgraded in 1940 and again in 2004. ICD estimated from Google Maps linework.
Port St. Lucie, FL St. Lucie Co. United States	SE Westmoreland Blvd. / Morningside Blvd. (27.25997, -80.30961)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.8991	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Spokane, WA Spokane Co. United States	SR 206 (Mt. Spokane Park Dr.) / Bruce Rd. (47.78761, -117.30400)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.3076	Other (At-Grade) Single-Lane	2005	http://www.wsdot.wa.gov/Projects/SR206/BruceRoadRoundabout/. Opened December 2005. Previously controlled by 2-way stop control ICD estimated from Google Maps linework.
Spokane, WA Spokane Co. United States	Wellesley Ave. / A St. (47.70076, -117.45400)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.7401	Other (At-Grade) Single-Lane	2005	Opened October 2005. ICD estimated from Google Maps linework.
Petaluma, CA Sonoma Co. United States	Casa Grande Rd. / Ely Blvd. (38.24348, -122.59580)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.8924	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Phoenix, AZ Maricopa Co. United States	W Riverwood Blvd. / W Kirby Ave. (33.41608, -112.27480)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 16.9473	Other (At-Grade) Single-Lane	2002	Painted splitter islands. ICD estimated from Google Maps linework.
Cottonwood, AZ Yavapai Co. United States	AZ 89A / Avenida Centerville (34.75854, -112.05880)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.0983	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.