Roundabouts Database Index

30321 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
Muskego, WI Waukesha Co. United States	CTH Y (Racine Ave.) / Kelsey Dr. (42.85757, -88.15911)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.6425	Other (At-Grade) Single-Lane	2009	Opened November 9, 2009. ICD estimated from Google Maps linework.
Yorkville, WI Racine Co. United States	US 45 / STH 20 (Washington Ave.) / N Colony Ave. (42.74216, -88.05209)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.8396	Other (At-Grade) Single-Lane	2010	Opened November 2010. ICD estimated from Google Maps linework.
Summit, WI Waukesha Co. United States	CTH P (N Sawyer Rd.) / I-94 EB Ramps (43.06063, -88.44229)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.9046	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2011	Opened November 23, 2011. ICD estimated from Google Maps linework.
Summit, WI Waukesha Co. United States	CTH P (N Sawyer Rd.) / I-94 WB Ramps (43.06174, -88.44228)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.1203	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2011	Opened November 23, 2011. ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	Ashley Station Blvd. / Olive St. (32.48650, -84.97856)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.1785	Other (At-Grade) Single-Lane	2007	Completed February 2007. Previously controlled by two-way stop Functional Class: Local ICD estimated from Google Maps linework.
Ripon, CA San Joaquin Co. United States	Fulton Ave. / Werner Dr. / Wilma Ave. (37.74446, -121.13550)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.7204	Other (At-Grade) Single-Lane	2006	One leg is skewed. ICD estimated from Google Maps linework.
Voorheesville, NY Albany Co. United States	Rte 85A (Maple Rd.) / Rte 155 (42.64936, -73.92110)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2003	Replaced a stop-controlled, channelized triangular intersection. Completed Fall 2003. First roundabout in Albany area.
Colonie, NY Albany Co. United States	Albany Shaker Rd. / Maxwell Rd. (42.72396, -73.79143)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.7278	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Intersection is being relocated to east. Addition of a fourth leg is planned. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV Clark Co. United States	Vista Run Dr. / Park Vista Dr. (36.17820, -115.34610)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.2741	Other (At-Grade) Single-Lane	1995	Year completed estimated (1990-1999) ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	W Alvo Blvd. / Tallgrass Pkwy (40.88540, -96.73535)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 58.6909	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	W Alvo Blvd. / Stonebrook Pkwy (40.88500, -96.72949)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 57.7883	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	N 14th St. / Alvo Rd. (40.88617, -96.70101)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.3405	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	Humphrey Ave. / Trinidad Rd. (40.87909, -96.69670)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.0239	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	N 21st St. / Folkways Blvd. (40.86681, -96.69003)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 17.1606	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	N 14th St. / Superior St. (40.85751, -96.70113)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7791	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Triple-lane (three-lane) roundabout. Functional Class: Arterial ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	N 1st St. / Adams St. / Laramie Trl. (40.84335, -96.72015)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.5264	Other (At-Grade) Single-Lane	2013	Replaced offset T-intersections. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	N 49th St. / Francis St. (40.83137, -96.65235)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.7845	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	Windmill Dr. / N 83rd St. (40.83957, -96.60736)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2008	Right-turn bypass lane.
Lincoln, NE Lancaster Co. United States	85th St. / Windmill Dr. (40.83941, -96.60414)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.7212	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	69th St. / Forest Lake Blvd. (40.76293, -96.62640)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 23.5197	Other (At-Grade) Single-Lane	1992	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	80th St. / Preserve Ln. (40.76543, -96.61143)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 28.9463	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	Glynoaks Dr. / Keogh St. (40.76208, -96.60851)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.9016	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	S 98th St. / Old Cheney Rd. (40.75518, -96.58708)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.0450	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	S 98th St. / Pine Lake Rd. (40.74070, -96.58715)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.2454	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	Eiger Dr. / Heritage Lakes Dr. / Andermatt Dr. (40.73871, -96.60387)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.1974	Other (At-Grade) Single-Lane	2005	Right-turn bypass lane. ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	S 94th Bay / Andermatt Dr. / (40.73200, -96.59163)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.8212	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Fishers, IN Hamilton Co. United States	E 106th St. / Lantern Rd. (39.94202, -86.01386)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2011
Kihei, HI Maui Co. United States	Piikea Ave. / Liloa Dr. (20.75081, -156.44990)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5056	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Kihei, HI Maui Co. United States	Waiapo St. / Oluea St. (20.76022, -156.45500)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 113.9119	Other (At-Grade) Single-Lane	2007	Painted splitter islands. Functional Class: Local ICD estimated from Google Maps linework.
Cottage Grove, MN Washington Co. United States	Jamaica Ave. / US 10-US 61 EB Ramps / W Point Douglas Rd. (44.81452, -92.93504)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 57.6128	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Cottage Grove, MN Washington Co. United States	Jamaica Ave. / US 10-US 61 WB Ramps (44.81586, -92.93379)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.2780	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Prescott, AZ Yavapai Co. United States	Grande Dame Pkwy. / SR 89A EB Ramps (34.63499, -112.39830)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 52.0821	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Prescott, AZ Yavapai Co. United States	Grande Dame Pkwy. / SR 89A WB Ramps (34.63643, -112.39710)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 51.0985	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Chino Valley, AZ Yavapai Co. United States	SR 89 / Road 4S (34.71659, -112.45340)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.9577	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Functional Class: Arterial ICD estimated from Google Maps linework.
Mesa, AZ Maricopa Co. United States	E McKellips Rd. / Loop 202 SB Ramps (33.45145, -111.67100)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.8421	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Mesa, AZ Maricopa Co. United States	E McKellips Rd. / Loop 202 NB Ramps (33.45142, -111.66850)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.8492	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Verrado, AZ Maricopa Co. United States	W Sunrise Ln. / W Highlands Dr. (33.49936, -112.52120)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.8011	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Malta, NY Saratoga Co. United States	Rte 108 (Dunning St.) / Fox Wander Rd. / Partridge Drum (42.97179, -73.78532)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.2073	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Malta, NY Saratoga Co. United States	Rte 108 (Dunning St.) / Plains Rd. (42.97257, -73.77570)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.7115	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Malta, NY Saratoga Co. United States	Rte 9 / Stonebreak Rd. (42.96317, -73.79144)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.4560	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Malta, NY Saratoga Co. United States	Stone Break Extension / Hermes Rd. / Rocket Way (42.96331, -73.76376)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.4559	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Malta, NY Saratoga Co. United States	Luther Forest Blvd. / Rocket Way (42.95595, -73.76094)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2015	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Malta, NY Saratoga Co. United States	Luther Forest Blvd. / Cordero Blvd. (42.95753, -73.75259)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.9485	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Malta, NY Saratoga Co. United States	Luther Forest Blvd. / Rte 67 (42.94714, -73.78510)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.9691	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Malta, NY Saratoga Co. United States	Curry Rd. / Round Lake Bypass (42.93726, -73.80083)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.1004	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Cartersville, GA Bartow Co. United States	North Dr. / (unknown) (34.08290, -84.67017)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.6212	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
(unincorporated), GA Camden Co. United States	(unknown) / (unknown) (31.10067, -81.59306)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.8836	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
(unincorporated), GA Chatham Co. United States	Grimsby Rd. / Cromer St. / Telford St. (32.17750, -81.25833)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.3591	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
(unincorporated), GA Chatham Co. United States	Highlands Blvd. / Orkney Rd. (32.17750, -81.26083)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 75.8162	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
(unincorporated), GA Chatham Co. United States	Memorial Blvd. / (unknown) (32.08555, -81.27306)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.2856	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
(unincorporated), GA Chatham Co. United States	(unknown) / (unknown) (32.21583, -81.19500)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 75.7843	Other (At-Grade) Single-Lane	2006	Water fountain in center. ICD estimated from Google Maps linework.
(unincorporated), GA Chatham Co. United States	Rice Mill Rd. / (unknown) (32.21944, -81.19250)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 74.7708	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
(unincorporated), GA Chatham Co. United States	Rice Mill Rd. / Old Mill Rd. (32.22194, -81.19750)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.4156	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Canton, GA Cherokee Co. United States	Reservoir Rd. / Great Sky Pkwy. / Sunshower Ridge (34.27694, -84.48833)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 64.1487	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Canton, GA Cherokee Co. United States	Towne Mill Ave. / Midway Crossing / Midway Ave. (34.30333, -84.46694)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.3297	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Canton, GA Cherokee Co. United States	Towne Mill Ave. / Towne Mill Crossing (34.30833, -84.46611)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.3671	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
(unincorporated), GA Cherokee Co. United States	River Ridge High School access / parking access (34.11611, -84.47916)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 140.4079	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Access to high school. ICD estimated from Google Maps linework.
(unincorporated), GA Clarke Co. United States	Martin Meadow Way (33.95175, -83.28067)	Other Existing	Other Unknown	2 Approaches 0 Driveways 36.6561	Other (At-Grade) Single-Lane	2004	Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), GA Clarke Co. United States	Martin Meadow Way / Gray Fox Cir. / Windflower Ct. (33.95195, -83.28389)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.6839	Other (At-Grade) Single-Lane	2004	Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), GA Clarke Co. United States	Trinity Pond Rd. / Gray Fox Cir. (33.95083, -83.28500)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.7308	Other (At-Grade) Single-Lane	2004	Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), GA Clarke Co. United States	Trinity Pond Rd. (33.94821, -83.28511)	Other Existing	Other Unknown	2 Approaches 0 Driveways 31.7039	Other (At-Grade) Single-Lane	2004	Functional Class: Local ICD estimated from Google Maps linework.
Athens, GA Clarke Co. United States	(unknown) / (unknown) (33.97167, -83.37000)	Other Existing	Other Unknown	4 Approaches 0 Driveways 36.6475	Other (At-Grade) Single-Lane	2003	Functional Class: Local ICD estimated from Google Maps linework.
Kennesaw, GA Cobb Co. United States	Campus Loop Rd. / Canton Pl. / Ackworth Pl. (34.04169, -84.58420)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2003	On campus of Kennesaw State University. Striped truck apron.
(unincorporated), GA Cobb Co. United States	Swift-Cantrell Park entrance (34.03181, -84.63166)	Other Existing	Other Unknown	5 Approaches 0 Driveways 26.7239	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Functional Class: Local ICD estimated from Google Maps linework.
Evans, GA Columbia Co. United States	Jamestown Ave. / Blackfoot Dr. (33.57555, -82.16361)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.8667	Other (At-Grade) Single-Lane	2002	Functional Class: Local ICD estimated from Google Maps linework.
Evans, GA Columbia Co. United States	Prince George Ave. / Blackfoot Dr. (33.57583, -82.16778)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.8617	Other (At-Grade) Single-Lane	2002	Functional Class: Local ICD estimated from Google Maps linework.
Evans, GA Columbia Co. United States	Mitchell Ln. / Long Market St. (33.57722, -82.18723)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.8811	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Evans, GA Columbia Co. United States	Riverwood Pkwy. / Amberley Dr. (33.57611, -82.19083)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.8122	Other (At-Grade) Single-Lane	2009	Functional Class: Local ICD estimated from Google Maps linework.
Evans, GA Columbia Co. United States	Ronald Reagan Dr. / Williamsburg Way / Industrial Park Dr. (33.54528, -82.12945)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.8899	Other (At-Grade) Single-Lane	2009	Functional Class: Local ICD estimated from Google Maps linework.
Evans, GA Columbia Co. United States	Ronald Reagan Dr. / (unknown) (33.54462, -82.12749)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.8855	Other (At-Grade) Single-Lane	2012	Oval shape. Functional Class: Local ICD estimated from Google Maps linework.
Newnan, GA Coweta Co. United States	Bryce Creek Dr. / Hollow Way Point / Canyon View Dr. (33.38833, -84.74722)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.8636	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Orem, UT Utah Co. United States	2000 South / Sandhill Rd. (40.26074, -111.70420)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.7220	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	Tabernacle Rd. / Main St. (37.10812, -113.58350)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.8119	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	E. Brigham Rd. / I-15 NB Ramps (37.05939, -113.58350)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.8889	Freeway Ramps (Grade-Separated) Single-Lane	2006	Raindrop-shaped interchange terminal. ICD estimated from Google Maps linework.
Park City, UT Summit Co. United States	Powderwood Dr. / Factory Outlet Parking (40.72733, -111.55255)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 24.4374	Other (At-Grade) Single-Lane	2000	Pedestrian access to central island. ICD estimated from Google Maps linework.
Park City, UT Summit Co. United States	Kilby Rd. / Factory Outlet Parking (40.73040, -111.55040)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.3918	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	ICD estimated from Google Maps linework.
Orem, UT Utah Co. United States	S 800 W / College Dr. / Sandhill Rd. (UVSC South Entrance) (40.27592, -111.71290)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 36.4480	Other (At-Grade) Multilane (2 Lane, unspecified)	1996	ICD estimated from Google Maps linework.
Nashville, TN Davidson Co. United States	Demonbreun St. / 16th Ave. / Division St. / Music Square E. (36.15210, -86.79163)	Other Existing	Unknown Unknown	0 Approaches 0 Driveways 54.0044	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	29th Ave. S / S. Judkins St. (47.59217, -122.29550)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 12.8873	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	31st Ave. E / E. Denny St. (47.62016, -122.29230)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 64.4023	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Rising Sun, MD Cecil Co. United States	MD 273 (Rising Sun Rd.) / MD 276 (Jacob Tome Memorial Hwy.) (39.69595, -76.08018)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.5157	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Rosemont, MD Frederick Co. United States	MD 17 / MD 180 (39.33768, -77.63950)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 30.4828	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Urbana, MD Frederick Co. United States	MD 80 / Sugarloaf Pkwy. / Bennett Creek Blvd. (39.32467, -77.34974)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.6619	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	Rural ICD estimated from Google Maps linework.
Bel Air, MD Harford Co. United States	MD 7 / Holly Oaks Drive (39.48848, -76.21669)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.1039	Other (At-Grade) Single-Lane	1999	Opened September 1999. ICD estimated from Google Maps linework.
North Harford, MD Harford Co. United States	MD 165 / MD 24 (39.67220, -76.40930)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.1750	Other (At-Grade) Single-Lane	2000	Rural Previously controlled by two-way stop ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	N. 104th St. / E. Cholla St. (33.58976, -111.85660)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.8878	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Scaggsville, MD Howard Co. United States	MD 216 / US 29 SB Ramps (39.14562, -76.90418)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.7228	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2001	Series of 4 roundabouts. ICD estimated from Google Maps linework.
Scaggsville, MD Howard Co. United States	MD 216 / US 29 NB Ramps / Ice Crystal Dr. (39.14476, -76.89799)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.7234	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2001	Series of 4 roundabouts. ICD estimated from Google Maps linework.
Millington, MD Kent Co. United States	MD 291 / US 301 SB Ramps (39.26463, -75.86641)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.4393	Freeway Ramps (Grade-Separated) Single-Lane	1999	Opened August 1999. ICD estimated from Google Maps linework.
Millington, MD Kent Co. United States	MD 291 / US 301 NB Ramps (39.26386, -75.86260)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.6656	Freeway Ramps (Grade-Separated) Single-Lane	1999	Opened August 1999. ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	N 70th Pl. / E Chaparral Rd. (33.50954, -111.92900)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2016	A traffic calming circle was completed in 2002 on what was otherwise a TWSC intersection. Roundabout constructed in 2016. On south leg there is no entry into the roundabout but instead a yield-controlled right-turn bypass lane to prevent northbound-to-westbound cut-through traffic.
Oak Grove, MD Prince Georges Co. United States	MD 193 (Watkins Park Dr.) / Oak Grove Rd. (38.87737, -76.78108)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1207	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Temple Hills, MD Prince Georges Co. United States	MD 637 (Naylor Rd.) / Good Hope Ave. (38.84922, -76.95655)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.6248	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Temple Hills, MD Prince Georges Co. United States	MD 637 (Naylor Rd.) / Oxon Run Dr. (38.84986, -76.95789)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.4150	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Castle Marina, MD Queen Annes Co. United States	MD 18 / Castle Marina Rd. (38.97871, -76.28938)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.7819	Other (At-Grade) Single-Lane	1999	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Kennewick, WA Benton Co. United States	Columbia Park Drive #1 (46.22221, -119.15110)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.8367	Other (At-Grade) Single-Lane	2001	Completed February 2001. Functional Class: Local ICD estimated from Google Maps linework.
Kennewick, WA Benton Co. United States	Columbia Park Drive #2 (46.22223, -119.14630)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.5366	Other (At-Grade) Single-Lane	2001	Completed February 2001 Functional Class: Local ICD estimated from Google Maps linework.
Juneau, AK Juneau United States	Douglas Hwy / North Douglas Hwy (58.29718, -134.43280)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.9134	Other (At-Grade) Single-Lane	2005	Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Mt. Hood Ave. / Frontage Rd. / PDX Airport Economy Blue Lot / PDX Airport Economy Red Lot (45.57770, -122.55950)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.7822	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Densmore Ave. N / N 137th St. (47.72867, -122.33830)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 16.8705	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.