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
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.
Tooele, UT Tooele Co. United States	W 2000 N / N 70 W (40.56555, -112.30310)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.1987	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
North Haven, NY Suffolk Co. United States	Tyndall Road / Rte. 114 (Ferry Rd.) (41.01303, -72.31309)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.2334	Other (At-Grade) Single-Lane	2001	Replaced a dangerous 2-way stop. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Omaha, NE Douglas Co. United States	N Saddle Creek Rd. / Country Club Ave. / Seward St. / 50th St. / Happy Hollow Rd. (41.27431, -95.99039)	Roundabout Existing	Unknown Unknown	8 Approaches 0 Driveways 28.7235	Other (At-Grade) Single-Lane	2003	Dogbone/peanut shape. ICD estimated from Google Maps linework.
Lacey, WA Thurston Co. United States	Marvin Rd. / Britton Pkwy. (47.06905, -122.77090)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.3682	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	Completed September 14, 2000. Functional Class: Arterial ICD estimated from Google Maps linework.
Duvall, WA King Co. United States	SR 203 (Carnation-Duvall Rd.) / 124th St. / Novelty Hill (47.70910, -121.98440)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.9865	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	http://www.wsdot.wa.gov/projects/sr203/NE124thNoveltyRd/ Functional Class: Arterial ICD estimated from Google Maps linework.
Gig Harbor, WA Pierce Co. United States	Borgen Blvd. / SR 16 NB Ramps / Burnham Dr. (47.35843, -122.61260)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways 47.7339	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2001	Oval shaped central island. 6 legged configuration includes a on-ramp (outbound)leg. Central island is used as a roadway storm detention pond. Completed Summer/Fall 2001. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Moses Lake, WA Grant Co. United States	Yonezawa Blvd. / Clover Dr. / Kittleson Rd. (47.10387, -119.25730)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.8990	Other (At-Grade) Single-Lane	2001	Part of series of 3 roundabouts. Functional Class: Collector ICD estimated from Google Maps linework.
Moses Lake, WA Grant Co. United States	Yonezawa Blvd. / Leanne Ave. (47.10454, -119.27060)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.4597	Other (At-Grade) Single-Lane	2001	Completed fall 2001. Part of series of 3 roundabouts. Functional Class: Collector ICD estimated from Google Maps linework.
Richland, WA Benton Co. United States	Steptoe Dr. / SR 240 EB Ramps / Columbia Park Trl. (46.23893, -119.24546)	Roundabout Existing	All-Way Yield Metering Signal	5 Approaches 0 Driveways 49.5635	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2007	5th leg is on-ramp to SR 240. Opened November 2007. Lane configuration reduced in 2016. Modified in 2018 to add metering signal. According to local news (link below) they started metering the traffic on the westbound Columbia Park Trail approach in 2018. It only turns on when traffic coming off the freeway gets backed up. https://97rockonline.com/tri-cities-roundabout-gets-new-metered-traffic-light-wait-what/ 21442
Seattle, WA King Co. United States	2nd Ave. NE / NE 91st St. (47.69499, -122.32710)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 8.0388	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.