Roundabouts Database Index

30320 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
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.
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.
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.
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.
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.
Sedona, AZ Coconino Co. United States	AZ 89A / Brewer Rd. (34.86599, -111.76500)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.2376	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Functional Class: Arterial 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.