Roundabouts Database Index

29616 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
Davis, CA Yolo Co. United States	Shasta Dr. / Olympic Dr. (38.55540, -121.77620)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.2833	Other (At-Grade) Single-Lane	1999	Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
West Sacramento, CA Yolo Co. United States	Village Pkwy. / Stonegate Dr. (38.55465, -121.52167)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2016	http://www.westsac.com/news-ledger/2016/10/20/ribbon-cutting-to-celebrate-new-roadway-the-village-parkway-north/
Dumfries, VA Prince William Co. United States	Stonewall Manor Dr. / Cabin Rd. (38.55385, -77.31572)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 25.2178	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
Sacramento, CA Sacramento Co. United States	X St. / 48th St. (38.55347, -121.45030)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 42.0299	Other (At-Grade) Multilane (2 Lane, unspecified)	1995	ICD estimated from Google Maps linework.
Windsor, CA Sonoma Co. United States	Old Redwood Hwy / Windsor Rd (38.55271, -122.81661)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7562	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Prince Frederick, MD Calvert Co. United States	Prince Frederick Blvd. / Chapline Place Blvd. (38.55239, -76.59551)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-2003). Initially constructed as two-lane roundabout with concentric striped circulatory roadway. Converted to single-lane roundabout 2007-2009.
Davis, CA Yolo Co. United States	5th St. / Cantrill Dr. (38.55160, -121.72010)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.9547	Other (At-Grade) Single-Lane	1998	Police station on SW corner. Date estimated. ICD estimated from Google Maps linework.
French Lick, IN Orange Co. United States	S Cook Blvd. / W Jack Carnes Way (38.55114, -86.61859)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Jefferson City, MO Cole Co. United States	Ellis Blvd. / Tanner Bridge Rd. (38.55085, -92.18866)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2011	Elliptical shape. ICD = 135 ft x 125 ft. Skewed intersection. Right-turn bypass lane due to skew on west leg. Year Completed estimated (2010-2011).
Triangle, VA Prince William Co. United States	Stonewall Manor Dr. / Kerill Rd. (38.54970, -77.31860)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.0873	Other (At-Grade) Single-Lane	2005	Functional Class: Local ICD estimated from Google Maps linework.
Windsor, CA Sonoma Co. United States	Old Redwood Hwy / Market St (38.54956, -122.81353)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.5598	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Prince Frederick, MD Calvert Co. United States	Cambridge Pl. / Allnutt Ct. / (parking) (38.54943, -76.59467)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Prince Frederick, MD Calvert Co. United States	MD 402 Dares Beach Rd. / Armory Rd. (38.54877, -76.58590)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2014
Triangle, VA Prince William Co. United States	Kerill Rd. / Dondis Creek Ct. (38.54794, -77.31411)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.4177	Other (At-Grade) Single-Lane	2010	Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA Yolo Co. United States	Cowell Blvd. / Chiles Rd. / Drummond Ave. (38.54760, -121.71297)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8903	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Windsor, CA Sonoma Co. United States	Windsor River Rd. / Windsor Rd. (38.54725, -122.81687)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signals/Gates (controlling all approaches)	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	Rail line through central island.
Prince Frederick, MD Calvert Co. United States	Silverwood Ln. / English Oak Ln. / Running Brook Way (38.54713, -76.58000)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2007
Cambridge, MD Dorchester Co. United States	MD 16 (Church Creek Rd.) / Woods Rd. (38.54624, -76.06411)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.3636	Other (At-Grade) Single-Lane	2017	https://www.myeasternshoremd.com/dorchester_star/news/roundabout-opens-at-route-and-woods-road/article_b39ae088-8f81-51a4-8dc8-94e149da66e8.html ICD estimated from Google Maps linework.
Bethany Beach, DE Sussex Co. United States	Canal Way W (38.54536, -75.07776)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Jefferson City, MO Cole Co. United States	E McCarty St. / US 50 WB Ramps (38.54432, -92.11960)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2009	Year Completed estimated (2007-2009).
Concord, MO St. Louis Co. United States	Richmond Cavalry Dr. / Vicksburg Siege Ct. (38.54358, -90.35063)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2014
Davis, CA Yolo Co. United States	Acer St. / Citron St. (38.54317, -121.77625)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Davis, CA Yolo Co. United States	Acer St. / Celadon St. (38.54316, -121.77348)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
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	Tilia St. / Citron St. (38.54207, -121.77631)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on two legs.
Jefferson City, MO Cole Co. United States	E McCarty St. / US 50 EB Ramps / Supercenter Dr. (38.54169, -92.12189)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Freeway Ramps (Grade-Separated) Single-Lane	2009	Yielding right-turn bypass lane with acute view angle on northwest leg. Year Completed estimated (2007-2009).
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.
Valley Park, MO St. Louis Co. United States	Meramec St. / N Highway Dr. (38.54078, -90.49276)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 32.6957	Other (At-Grade) Single-Lane	2017	At-grade railroad crossing on east leg. 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. / Shields Ave. (38.53989, -121.75222)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island		Painted and marked central island and splitter islands on north and south legs. No splitter island on east leg.
Ironton, OH Lawrence Co. United States	SR 93 (Park Dr.) / US 52 WB Ramps (38.53950, -82.67593)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.facebook.com/photo.php?fbid=611157614528583&id=100069030495739&set=a.176172631360419
Valley Park, MO St. Louis Co. United States	Outer Rd. W / I-44 WB Ramp (38.53947, -90.49870)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.3013	Freeway Ramps (Grade-Separated) Single-Lane	2016	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Davis, CA Yolo Co. United States	Hutchison Dr. / Hutchison Pl. / Sage St. (38.53933, -121.77160)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2010	Near University of California Davis college campus. Constructed initially as two-lane roundabout; converted to single-lane in 2020-2022.
Davis, CA Yolo Co. United States	Hutchison Dr. / Bioletti Way (38.53915, -121.75619)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 19.8120	Other (At-Grade) Single-lane w/ Traversable Central Island	2012	Oval shaped. ICD = 65 ft x 55 ft. Painted and marked central and splitter islands.
Davis, CA Yolo Co. United States	Hutchison Dr. / (unknown) (38.53911, -121.75507)	Other Existing	Other Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island		Yield control only on side street.
Davis, CA Yolo Co. United States	Hutchison Dr. / (unknown) (38.53910, -121.75450)	Other Existing	Other Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island		Yield control only on side street.
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.
São Sebastião, Setúbal Setúbal Portugal	Praça Miguel de Castro [Avenida Coração de Maria / Rua Nova de Sintra / Rua Central da Azeda] (38.53858, -8.87766)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Ironton, OH Lawrence Co. United States	SR 93 (Park Ave.) / US 52 EB Ramps (38.53856, -82.67758)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.facebook.com/photo.php?fbid=611157614528583&id=100069030495739&set=a.176172631360419
Davis, CA Yolo Co. United States	Engineering Bikeway / (unknown) (38.53777, -121.75421)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Open to bicycles and pedestrians only.
Millville, DE Sussex Co. United States	Brandywine Dr. / Bishop Landing Dr. (38.53750, -75.11995)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Davis, CA Yolo Co. United States	Tercero Hall Cir. / Bioletti Way (38.53743, -121.75582)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island		Oval shaped. Painted and marked central and splitter islands.
Davis, CA Yolo Co. United States	Hutchison Dr. / Campbell Rd. (38.53686, -121.77170)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.4343	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	Near University of California Davis college campus. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Triangle, VA Prince William Co. United States	Potomac Crest Dr. / Lady Catherine Cir. (38.53672, -77.31500)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.9607	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA Yolo Co. United States	Bainer Hall Dr. / (unknown) (38.53655, -121.75405)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island		Painted splitter islands.
Davis, CA Yolo Co. United States	Bioletti Way / Bainer Hall Dr. (38.53608, -121.75682)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island		Painted and marked central and splitter islands.
Santa Maria da Graça, Setúbal Setúbal Portugal	N10 (Avenida da Europa) / Rua Manuel Joaquim Santana Reimão (38.53485, -8.89007)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
São Sebastião, Setúbal Setúbal Portugal	N10 / M542 (Estrada de Algeruz) / Avenida das Descobertas (38.53478, -8.86714)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Hughesville, MD Charles Co. United States	MD 231 / MD 5 NB Ramps (38.53426, -76.77790)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 54.1863	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2005	ICD estimated from Google Maps linework.
Ocean View, DE Sussex Co. United States	Bella Via Way (38.53396, -75.09929)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Parking along circulatory roadway.
Hughesville, MD Charles Co. United States	MD 231 / MD 5 SB Ramps (38.53381, -76.77969)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 58.8579	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2005	ICD estimated from Google Maps linework.
Davis, CA Yolo Co. United States	Old Davis Rd. / California Ave. (38.53318, -121.75180)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.7649	Other (At-Grade) Single-Lane	2011	Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
São Sebastião, Setúbal Setúbal Portugal	N10 (Rua António José Baptista - Avenida do Alentejo) / Avenida Pedro Álvares Cabral (38.53207, -8.87541)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Prince Frederick, MD Calvert Co. United States	Prince Frederick Blvd. / Thoroughbred Dr. / Equestrian Way (38.53171, -76.58916)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Swansea, IL St. Clair Co. United States	Berwick Crossing (38.53100, -89.92281)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
São Sebastião, Setúbal Setúbal Portugal	Praça de Portugal [Avenida Dom João II / Avenida Infante Dom Henrique / Avenida Pedro Álvares Cabral / Avenida Afonso de Albuquerque] (38.53010, -8.87533)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Shiloh, IL St. Clair Co. United States	Wingate Blvd. / London Ln. (38.52931, -89.92521)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Millville, DE Sussex Co. United States	Substation Rd. / Huntington St. / Tybee St. (38.52679, -75.12575)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.3737	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
Winters, CA Yolo Co. United States	SR 128 (E Grant Ave.) / Walnut Ln. / (parking lot) (38.52629, -121.96733)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8992	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
São Sebastião, Setúbal Setúbal Portugal	Praceta Dona Olga Morães Sarmento [Avenida Jaime Cortesão / Avenida Infante Dom Henrique / Avenida Bento de Jesus Caraça / Avenida Manuel I] (38.52530, -8.87502)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
São Sebastião, Setúbal Setúbal Portugal	Avenida Luísa Todi / Avenida Jaime Rebelo (38.52272, -8.88670)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Frankford, DE Sussex Co. United States	Sand Trap Circle (38.51939, -75.11730)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Belleville, IL St. Clair Co. United States	SR 159 (N Illinois St. - S Illinois St.) / E Main St. / W Main St. (38.51360, -89.98421)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Single-Lane		Painted splitter islands. Circle with roundabout features.
Prince Frederick, MD Calvert Co. United States	Skipjack Rd. / Ketch Rd. (38.51100, -76.64140)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)
Quantico Base, VA Prince William Co. United States	Barnett Ave. / Russell Rd. / Dunlap Rd. / Damato St. (38.51066, -77.31001)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)
Belleville, IL St. Clair Co. United States	Centreville Ave. / SR 15 NB Ramps / S Belt W (38.50591, -90.00011)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 47.6653	Freeway Ramps (Grade-Separated) Single-Lane	2013	ICD estimated from Google Maps linework.
Belleville, IL St. Clair Co. United States	Centreville Ave. / SR 15 SB Ramps / Whiskey Dr. (38.50516, -90.00173)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.5157	Freeway Ramps (Grade-Separated) Single-Lane	2013	ICD estimated from Google Maps linework.
Mascoutah, IL St. Clair Co. United States	Falling Leaf Way / Timberbrook Dr. / Antique Ln. (38.50300, -89.81853)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands.
Prince Frederick, MD Calvert Co. United States	Oakland Hall Rd. / Abbott Ln. / Bunker Hill Rd. (38.50147, -76.55177)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2015).
Sacramento, CA Sacramento Co. United States	Rush River Dr. / Windbridge Dr. (38.48465, -121.53360)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 32.7212	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), MO Jefferson Co. United States	13th St. / Winding Bluffs Dr. (38.48406, -90.44573)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7865	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Montrose, CO Montrose Co. United States	Grand Ave. / N 9th St. (38.48349, -107.88856)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2012).
Plymouth, CA Amador Co. United States	SR 49 / Main St. (38.48184, -120.84483)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.3320	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Montrose, CO Montrose Co. United States	Miami Rd. / Hillcrest Dr. (38.48179, -107.85677)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019	https://www.cityofmontrose.org/701/Miami-Hillcrest-Roundabout-Project
Culpeper, VA Culpeper Co. United States	US 15-US 29 Business / Colonel Jameson Blvd. (38.48020, -77.99338)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.7474	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Ashland, KY Boyd Co. United States	Winchester Ave. (US 23 Business) / 14th St. (38.47980, -82.64184)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2024	One of five mini-roundabouts in series. Road diet from five lanes to two lanes. https://visitaky.com/winchester
Culpeper, VA Culpeper Co. United States	Colonel Jameson Blvd. / Old Rixeyville Rd. (38.47972, -77.99637)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.2274	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Culpeper, VA Culpeper Co. United States	US 522 / Colonel Jameson Blvd. (38.47944, -78.00346)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.2682	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Ashland, KY Boyd Co. United States	Winchester Ave. (US 23 Business) / 15th St. (38.47922, -82.64073)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2024	One of five mini-roundabouts in series. Road diet from five lanes to two lanes. https://visitaky.com/winchester
Ashland, KY Boyd Co. United States	Winchester Ave. (US 23 Business) / 16th St. (38.47860, -82.63954)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2024	One of five mini-roundabouts in series. Road diet from five lanes to two lanes. South leg is a one-way exit. https://visitaky.com/winchester
Selbyville, DE Sussex Co. United States	Bayville Shores Dr. / Ocean Vista Dr. / Bay Vista Dr. (38.47838, -75.08532)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Ashland, KY Boyd Co. United States	Winchester Ave. (US 23 Business) / 17th St. (38.47804, -82.63838)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2024	One of five mini-roundabouts in series. Road diet from five lanes to two lanes. https://visitaky.com/winchester
Ashland, KY Boyd Co. United States	Winchester Ave. (US 23 Business) / 18th St. (38.47750, -82.63733)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2024	One of five mini-roundabouts in series. Road diet from five lanes to two lanes. https://visitaky.com/winchester
Sacramento, CA Sacramento Co. United States	Coleman Ranch Way / (unknown) (38.47739, -121.52340)	Traffic Calming Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 139.3127	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Culpeper, VA Culpeper Co. United States	US 522 (Sperryville Pike - W Evans St.) / N Blue Ridge Ave. (38.47732, -77.99810)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2023	https://starexponent.com/news/local/latest-town-roundabout-getting-ready-to-go-live/article_653784ba-61f0-11ee-bca6-fbccacf95ba9.html
Murayama City, Yamagata Pref. Japan	Tateoka (38.47723, 140.37874)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Sacramento, CA Sacramento Co. United States	Silva Ranch Way / (unknown) (38.47686, -121.52680)	Traffic Calming Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 61.7094	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Stafford, VA Stafford Co. United States	Doc Stone Rd. / Juggins Rd. / Moncure Ln. (38.47662, -77.41360)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 39.2698	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Selbyville, DE Sussex Co. United States	Shearwater Dr. / Ashley Manor Blvd. (38.47505, -75.12000)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Stafford, VA Stafford Co. United States	Woodstream Blvd. / Pike Pl. (38.47492, -77.40636)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.5956	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Montrose, CO Montrose Co. United States	S Hillcrest Dr. / Sunnyside Rd. (38.47450, -107.85663)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 15.8954	Other (At-Grade) Single-Lane	2016	date: https://www.cityofmontrose.org/CivicAlerts.aspx?AID=1235 ICD estimated from Google Maps linework.
Selbyville, DE Sussex Co. United States	Shearwater Dr. / Royal Tern Dr. (38.47429, -75.11815)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Saint Leonard, MD Calvert Co. United States	Calvert Beach Rd. / MD 765 Saint Leonard Rd. (38.47316, -76.50607)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 25.2460	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Montrose, CO Montrose Co. United States	Niagara Rd. / Hillcrest Dr. (38.46724, -107.85663)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	https://www.montrosepress.com/hillcrest-and-niagara-roundabout-opens/image_bc92464a-3aea-11ef-be15-b79f08cef2a5.html
Bornova, İzmir Turkey	Mustafa Kamal Caddesi / Fevzi Cakmak Caddesi (38.46623, 27.21915)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown		Parking along circulatory roadway.
Bayrakli, İzmir Turkey	Alija İzetbegoviç Caddesi / Yuzbasi Ibrahim Hakki Caddesi / Yavuz Caddesi / Nur Sultan Nazarbeyev Caddesi (38.46419, 27.18732)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Bayrakli, İzmir Turkey	Dumlupinar Caddesi / Fatih Sultan Mehmet Caddesi (38.46250, 27.19474)	Other Existing	Other Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown		Circulating traffic yields to entering traffic.
Bornova, İzmir Turkey	Ankara Caddesi / İstanbul Caddesi Ramps / Genclik Caddesi (38.46201, 27.22668)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Unknown
Bayrakli, İzmir Turkey	Nur Sultan Hazarbeyev / Manas Bulvari / 1912. Sokak (38.46199, 27.17131)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)