Roundabouts Database Index

30040 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
Ritchie, MD Prince Georges Co. United States	Ritchie-Marlboro Rd. / I-95 NB Ramps (38.86824, -76.84158)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 67.0560	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)	2001	Opened initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
Ritchie, MD Prince Georges Co. United States	Ritchie-Marlboro Rd. / I-95 SB Ramps (38.86894, -76.84738)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 770.9968	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)	2001	Opening initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
Arlington, VA Arlington Co. United States	Boundary Channel Dr. / Jefferson Davis Hwy. / I-395 NB Ramps (38.86975, -77.04548)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 45.7200	Freeway Ramps (Grade-Separated) Single-Lane	2024	https://www.arlnow.com/2024/05/30/boundary-channel-drive-roundabouts-and-trail-upgrades-are-officially-complete/
Bedford, IN Lawrence Co. United States	John A Williams Blvd. / Lincoln Ave. (38.87002, -86.48896)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.4052	Other (At-Grade) Unknown	2018	ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	Sheridan Rd. / Clairborne Rd. (38.87020, -94.79250)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.3168	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Leawood, KS Johnson Co. United States	Juniper St. / W 142nd Terr. (38.87029, -94.64438)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.4752	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Arlington, VA Arlington Co. United States	Boundary Channel Dr. / I-395 SB Ramps (38.87067, -77.04839)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 48.7680	Freeway Ramps (Grade-Separated) Single-Lane	2024	https://www.arlnow.com/2024/05/30/boundary-channel-drive-roundabouts-and-trail-upgrades-are-officially-complete/
Columbia, MO Boone Co. United States	Rte K / S Sinclair Rd. / Old Plank Rd. (38.87078, -92.38241)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://abc17news.com/news/2021/08/18/sinclair-and-route-k-roundabout-now-open/
Overland Park, KS Johnson Co. United States	W. 141st St. / Bluejacket St. (38.87130, -94.71130)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.6150	Other (At-Grade) Single-Lane	2001	Functional Class: Local ICD estimated from Google Maps linework.
Capitol Heights, MD Prince George's Co. United States	Hampton Park Blvd. (38.87175, -76.85022)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 0 Driveways 57.9120	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2007	Yield signs but no entrance line or yield lines.
Olathe, KS Johnson Co. United States	Sheridan Rd. / Rogers Rd. (38.87200, -94.79430)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.7027	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	ICD estimated from Google Maps linework.
Grandview, MO Jackson Co. United States	Lawnbale St. / E 139th St. (38.87251, -94.52865)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2009).
Olathe, KS Johnson Co. United States	Sheridan Rd. / Ridgeview Rd. / Dennis Ave. (38.87270, -94.79730)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.3160	Other (At-Grade) Single-Lane	2001	Completed April 2001. ICD estimated from Google Maps linework.
Columbia, MO Boone Co. United States	Cascades Dr. / Marietta Falls Ln. / Vancouver Cir. (38.87294, -92.37750)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.1055	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Treeline View / Stately View (38.87351, -104.86560)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 38.1228	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Columbia, MO Boone Co. United States	New Town Ave. / Center St. (38.87357, -92.36947)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 18.5965	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Woodstock, VA Shenandoah Co. United States	Woodstock Commons Dr. / (future road) (38.87398, -78.52977)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.6138	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Oakton, VA Fairfax Co. United States	Saintsbury Dr. / (transit center parking garage) (38.87600, -77.27317)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2013	Serves Metro station. Right-turn-only lanes on northeast and southwest legs. Southeast leg stubbed. Year Completed estimated (2012-2014).
Vialonga, Lisbon Vila Franca de Xira Portugal	N501-EM502 / Rua dos Caniços (38.87617, -9.06925)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Oakton, VA Fairfax Co. United States	Saintsbury Dr. / (transit center parking lot) (38.87667, -77.26993)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2013	Serves Metro station. Right-turn-only lanes on east and west legs. South leg stubbed. Year Completed estimated (2012-2014).
Oakton, VA Fairfax Co. United States	Nutley St. SW / I-66 EB Exit Ramp (38.87714, -77.26629)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2023	Replaced full cloverleaf interchange. https://outside.transform66.org/about_the_project/project_sections/nutley.asp
Grandview, MO Jackson Co. United States	US 71 SB Frontage Rd. / I-49-US 71 SB Ramps (38.87725, -94.52680)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.8637	Freeway Ramps (Grade-Separated) Single-Lane	2022	https://www.grandview.org/government/city-departments/public-works/projects/i-49-outer-roads-conversion
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.
Colorado Springs, CO El Paso Co. United States	Carefree Cir. / New Center Pl. (38.87741, -104.71720)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 44.6291	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	N 30th St. / Gateway Rd. (38.87780, -104.87071)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2023	https://coloradosprings.gov/project/30th-street-corridor-project
Colorado Springs, CO El Paso Co. United States	Mesa Rd. / Kissing Camels Dr. (38.87808, -104.86580)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 29.7525	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Washington, DC N/A Co. United States	Randle Circle (Mass. Ave. / Minn. Ave. / K St.) (38.87810, -76.96148)	Signalized Roundabout/Circle Existing	Signal None	7 Approaches 0 Driveways 118.0801	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	(unknown #2) (38.87847, -104.84910)	Other Existing	Unknown Unknown	0 Approaches 0 Driveways 18.5952	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Davidsonville Historic District, MD Prince George's Co. United States	Oak Grove Rd. / (parking) (38.87858, -76.77717)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Vialonga, Lisbon Vila Franca de Xira Portugal	EM502 (Rua do Olival Santo) / EM501 (Pátio do Castelo) / Rua Primeiro de Maio (38.87880, -9.06559)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Oakton, VA Fairfax Co. United States	Nutley St. SW / I-66 WB Exit Ramp (38.87982, -77.26743)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2023	Replaces full cloverleaf interchange. https://outside.transform66.org/about_the_project/project_sections/nutley.asp
Overland Park, KS Johnson Co. United States	Lamar Ave. / W 137th St. / W 138th St. (38.88011, -94.65830)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://twitter.com/opcares/status/1307342447027122177
Columbia, MO Boone Co. United States	Cascades Dr. / Chelan Dr. / Chelan Cir. (38.88024, -92.37684)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.8218	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
Washington, DC N/A Co. United States	H St. / Delaware Ave. (38.88028, -77.01262)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 31.6110	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Washington, DC N/A Co. United States	Pennsylvania Ave. / Potomac Ave. (38.88034, -76.98549)	Signalized Roundabout/Circle Existing	Signal None	0 Approaches 0 Driveways 81.8167	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	S. Ridgeview Rd. / E. Loula St. (38.88069, -94.79726)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 25.1027	Other (At-Grade) Single-Lane	2004	Completed August 2004. ICD estimated from Google Maps linework.
Overland Park, KS Johnson Co. United States	Carson St. / Payton Dr. / Kobe Dr. (38.88090, -94.66183)	Other Existing	Uncontrolled None	4 Approaches 0 Driveways 26.9621	Other (At-Grade) Single-Lane	2012	No yield signs or other control but otherwise typical roundabout geometry. ICD estimated from Google Maps linework.
Washington, DC N/A Co. United States	G St. / 1st St. SW (38.88119, -77.01228)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 31.6106	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Washington, DC N/A Co. United States	G St. / 3rd St. SW (38.88127, -77.01520)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 26.9620	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Chantilly, VA Fairfax Co. United States	VA 620 (Braddock Rd.) / VA 609 (Pleasant Valley Rd.) (38.88170, -77.48570)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1024	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Washington, DC United States	L'Enfant Plaza SW (38.88172, -77.02601)	Other Existing	Other Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian access to central island.
Colorado Springs, CO El Paso Co. United States	N Hancock Ave. / Pirates Heights / (parking lot) (38.88244, -104.80185)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.8912	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Tutt Blvd. / Greenway Pl. / (parking) (38.88292, -104.71469)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2023	Year Completed estimated (2022-2023).
Washington, DC United States	Maryland Ave. SW (38.88408, -77.03003)	Other Existing	All-Way Yield Unknown	1 Approaches 1 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)		Pedestrian access to central island; parking along circulatory roadway.
Lincoln, CA Placer Co. United States	Gateway Dr. / E St. / Crystalwood Cir. (38.88457, -121.29021)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005-2007).
South Milford Historic District, DE Sussex Co. United States	Wellness Way / Healthy Way / (parking) (38.88506, -75.39323)	Other Existing	Unknown Unknown	2 Approaches 2 Driveways 0.0000	Other (At-Grade) Single-Lane
Xigang District, Liaoning Dalian China	Bayi Plaza (38.88559, 121.64033)	Unknown Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Sobralinho, Lisbon Vila Franca de Xira Portugal	N10 (Caminho de Santiago-Caminho Português) / Estrada d'Alfarrobeira / (parking) (38.88563, -9.04786)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Olathe, KS Johnson Co. United States	N Hedge Ln. / N Spruce St. (38.88567, -94.85044)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.6239	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	Replaced older roundabout when new roadway (Hedge Ln.) added. ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	Indian Wells Dr. / Spruce St. (38.88568, -94.85022)	Roundabout Removed	All-Way Yield None	2 Approaches 0 Driveways 44.6239	Other (At-Grade) Single-Lane	2002	Replaced in 2015 with new roundabout in location shifted slightly to west. ICD estimated from Google Maps linework.
Arlington, VA Arlington Co. United States	Memorial Dr. / Arlington Memorial Bridge (38.88573, -77.06004)	Rotary Existing	Unknown Unknown	0 Approaches 0 Driveways 114.3488	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Columbia, MO Boone Co. United States	Hwy KK / S Scott Blvd. / (parking lot entrance) (38.88590, -92.40107)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 58.5687	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Overland Park, KS Johnson Co. United States	133rd St. / Lamar Ave. (38.88654, -94.65847)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.1862	Other (At-Grade) Single-Lane	2006	Completed May 2006. ICD estimated from Google Maps linework.
Oakton, VA Fairfax Co. United States	Hunter Mill Rd. / Mystic Meadow Way (38.88680, -77.30187)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.9599	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	N Hedge Ln. / N Cedar Hills St. (38.88697, -94.85232)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.6231	Other (At-Grade) Single-Lane	2015	Design completed in 2015, construction of roundabout is a part of development for new school. Aerial image shows construction completed for roundabout. ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	Kansas City Rd. / Buchanan St. / Prairie St. (38.88704, -94.80763)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.9598	Other (At-Grade) Single-Lane	2004	Previously controlled by two-way stop ICD estimated from Google Maps linework.
South Milford Historic District, DE Sussex Co. United States	Homestead Blvd. / Hickory Branch Ct. (38.88737, -75.39758)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Overland Park, KS Johnson Co. United States	W 132nd St. / W 133rd St. / N Hemlock St. (38.88772, -94.68264)	Roundabout Unknown	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-lane w/ Traversable Central Island	2021
Grandview, MO Jackson Co. United States	Main St. / US 71 Frontage Rd. (38.88876, -94.52422)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 60.9600	Other (At-Grade) Unknown	2022	https://www.grandview.org/government/city-departments/public-works/projects/i-49-outer-roads-conversion
Olathe, KS Johnson Co. United States	Kansas City Rd. / Nelson Rd. / Church St. (38.88896, -94.80412)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.1702	Other (At-Grade) Single-Lane	2004	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Sobralinho, Lisbon Vila Franca de Xira Portugal	EM501 (Estrada d'Alfarrobeira) / Rua Rio Seco / A1 (Autoestrada do Norte) NB Ramp (38.88909, -9.05134)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Arlington, VA Arlington Co. United States	N Danville St. / Franklin Rd. / N Bryan St. (38.89067, -77.09073)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Parking in circulatory roadway.
Overland Park, KS Johnson Co. United States	W 132nd St. / Foster St. (38.89080, -94.67341)	Unknown Unknown	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-lane w/ Traversable Central Island	2021
Colorado Springs, CO El Paso Co. United States	Regent Cir. / (parking lot) (38.89134, -104.79788)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.3949	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2010). ICD estimated from Google Maps linework.
Arlington, VA Arlington Co. United States	Key Blvd. / N Fillmore St. (38.89146, -77.09415)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Colorado Springs, CO El Paso Co. United States	University of Colorado - Colorado Springs (38.89215, -104.80190)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 36.2537	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Arlington, VA Arlington Co. United States	Key Blvd. / N Danville St. (38.89224, -77.09208)	Traffic Calming Circle Existing	All-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Hays, KS Ellis Co. United States	Vine St. (US 183) / 32nd St. (38.89226, -99.31769)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2020	Part of a peanut-shaped set with 33rd Street. https://hayspost.com/posts/7dd5d9eb-456f-47d7-bde0-70d6a92d504a
Columbia, MO Boone Co. United States	Bristol Lake Dr. / Braddington Dr. (38.89246, -92.29611)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 22.3098	Other (At-Grade) Single-Lane	2006	fourth approach is now built; see Google satellite view ICD estimated from Google Maps linework.
Arlington, VA Arlington Co. United States	Key Blvd. / N Cleveland St. (38.89253, -77.09099)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Hays, KS Ellis Co. United States	Vine St. (US 183) / 33rd St. (38.89277, -99.31768)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2020	Part of a peanut-shaped set with 32nd Street. https://hayspost.com/posts/7dd5d9eb-456f-47d7-bde0-70d6a92d504a
Columbia, MO Boone Co. United States	Nocona Pkwy. / Artemis Dr. (38.89292, -92.28649)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2023	Year Completed estimated (2022-2023).
South Milford Historic District, DE Sussex Co. United States	Crown Circle (38.89370, -75.41283)	Other Existing	Unknown Unknown	4 Approaches 2 Driveways 0.0000	Other (At-Grade) Single-Lane
Columbia, MO Boone Co. United States	Nocona Pkwy. / Endeavor Ave. (38.89488, -92.28544)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.8159	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2015-2017). ICD estimated from Google Maps linework.
Hays, KS Ellis Co. United States	Vine St. (US 183) / W 37th St. / E 37th St. (38.89633, -99.31777)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2021	https://hayspost.com/posts/8b04e698-656a-41e7-86e6-e165ff1e4e68
Colorado Springs, CO El Paso Co. United States	Shale Dr. / Graphite Dr. (38.89675, -104.67676)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Single-Lane	2018	Very wide circulatory roadway relative to entry width. Year Completed estimated (2017-2019).
Hays, KS Ellis Co. United States	Vine St. (US 183) / I-70 EB Ramps (38.89756, -99.31782)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2021	https://hayspost.com/posts/8b04e698-656a-41e7-86e6-e165ff1e4e68
Columbia, MO Boone Co. United States	Wisteria Ln. / Crape Myrtle Dr. (38.89785, -92.38804)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 19.5196	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
New Florence, MO Montgomery Co. United States	MO 19 / Tree Farm Rd. / I-70 EB Ramps (38.89821, -91.45624)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.modot.org/node/35298
Summerfield, MD Prince George's Co. United States	Ridgefield Blvd. / Chatsfield Way / Valley Trail Ln. (38.89834, -76.86172)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)
Colorado Springs, CO El Paso Co. United States	Stanton Rd. / (parking) (38.89862, -104.80622)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2013	On college/university campus. Year Completed estimated (2011-2015).
Columbia, MO Boone Co. United States	Nocona Pkwy. / Kentsfield Ln. (38.89915, -92.28609)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 45.5450	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Collegiate Dr. / Michael Dr. (38.89928, -104.78230)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 16.7308	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Davidsonville Historic District, MD Prince George's Co. United States	Cameron Grove Blvd. / New Acadia Ln. (38.89933, -76.77575)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Hays, KS Ellis Co. United States	Vine St. (US 183) / E 41st St. / W Mopar Dr. (38.90005, -99.31783)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2021	https://hayspost.com/posts/8b04e698-656a-41e7-86e6-e165ff1e4e68
Lees Summit, MO Jackson Co. United States	Blackwell Rd. / US 50 EB Ramps (38.90035, -94.31879)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.3326	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
New Florence, MO Montgomery Co. United States	MO 19 / Booneslick Rd. / I-70 WB Ramps (38.90090, -91.45707)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.modot.org/node/35298 Combined freeway interchange with at-grade intersection. Previously, the interchange was stop controlled and the intersection had traffic lights.
Columbia, MO Boone Co. United States	E Southampton Dr. / State Farm Pkwy. (38.90095, -92.32656)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.6018	Other (At-Grade) Single-Lane	2008	Two approaches stubbed. ICD estimated from Google Maps linework.
Columbia, MO Boone Co. United States	Ponderosa St. / Nocona Pkwy. / Kentsfield Ln. (38.90172, -92.28732)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 44.6139	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Lake Arbor, MD Prince George's Co. United States	Lake Arbor Way / Congressional Ct. (38.90201, -76.80962)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Vienna, VA Fairfax Co. United States	Park St. SE / Locust St. SE (38.90205, -77.26091)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 14.8712	Other (At-Grade) Single-lane w/ Traversable Central Island	2018	Year Completed estimated (2016-2018). ICD estimated from Google Maps linework.
Lees Summit, MO Jackson Co. United States	Blackwell Rd. / US 50 WB Ramps (38.90226, -94.31855)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 52.0491	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Washington, DC N/A Co. United States	Washington Circle (Penn. Ave. / New Hampshire Ave. / 23rd St. / K St.) (38.90252, -77.05010)	Signalized Roundabout/Circle Existing	Signal None	8 Approaches 0 Driveways 119.8984	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Eagle Rock Rd. / Spine Rd. (38.90327, -104.81455)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.6008	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
Lees Summit, MO Jackson Co. United States	Shenandoah Dr. / SE Church St. (38.90358, -94.32157)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 51.1187	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Columbia, MO Boone Co. United States	Ponderosa St. / Philips Farm Rd. (38.90387, -92.29025)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 40.8948	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Lees Summit, MO Jackson Co. United States	Shenandoah Dr. / Blackwell Rd. (38.90412, -94.31868)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.0477	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Lees Summit, MO Jackson Co. United States	SW Jefferson St. / SW Blue Pkwy / US 50 WB Ramps (38.90430, -94.37773)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 59.4360	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2018	Roundabout is one terminal of a Diverging Diamond Interchange (DDI). Opened May 2018.
Sobralinho, Lisbon Vila Franca de Xira Portugal	N10 (Caminho de Santiago-Caminho Português) / Rua Projectada ao Choupal (38.90435, -9.03434)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
South Riding, VA Loudoun Co. United States	Poland Rd. / Edgewater St. (38.90447, -77.49177)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.2355	Other (At-Grade) Single-Lane	2018	Temporary roundabout installed in 2013; replaced by permanent roundabout in June 2018. ICD estimated from Google Maps linework.