Roundabouts Database Index

29679 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
Saint-Charles, MD Charles Co. United States	St Owen Ct. / Oyster Reef Pl. / Ottawa Park Pl. (38.58026, -76.91047)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2008
Laurel, MD Howard Co. United States	Arden Ct. / Waterside Ct. / Scholars Ln. (39.13418, -76.91140)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on two legs.
Camp Springs, MD Prince George's Co. United States	Capital Gateway Dr. / Auth Rd. / Old Soper Rd. (38.82403, -76.91189)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, unspecified)	1999	Unstriped circulatory roadway. Year Completed estimated (1995-2001).
Villa El Salvador, Lima Province of Lima Peru	Óvalo María Reiche (-12.23977, -76.91229)	Unknown Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Fulton, MD Howard Co. United States	S Maple Lawn Blvd. / Eugene Ave. / Charles Way (39.14787, -76.91560)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2017
Greenbelt, MD Prince George's Co. United States	Greenbelt Station Pkwy. / Stream Bank Ln. (39.00374, -76.91563)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2017
Greenbelt, MD Prince George's Co. United States	Greenbelt Station Pkwy. / S Center Dr. (39.00209, -76.91666)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2017
Konterra, MD Prince George's Co. United States	Bentley Park Dr. / Parkgate Dr. (39.09112, -76.91733)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2015
Greenbelt, MD Prince George's Co. United States	Greenbelt Station Pkwy. / Stream Bank Ln. (39.00060, -76.91754)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2014	Crosswalks at yield line on all leg. Year Completed estimated (2013-2014). West leg opened 2016.
Burtonsville, MD Montgomery Co. United States	Bentley Park Dr. / Saddle Creek Dr. (39.09674, -76.91863)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Columbia, MD Howard Co. United States	Trotter Rd. / South Wind Cir. (39.20956, -76.91891)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 23.1353	Other (At-Grade) Single-Lane	1997	Functional Class: Collector. Year Completed estimated (1993-2001). ICD estimated from Google Maps linework.
College Park, MD Prince George's Co. United States	River Rd. / University Research Ct. / Haig Dr. (38.96838, -76.92358)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.0005	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
Old Town College Park, MD Prince George's Co. United States	52nd Ave. / (unknown) (38.97496, -76.92410)	Other Existing	Unknown Unknown	2 Approaches 1 Driveways 0.0000	Other (At-Grade) Unknown
Calverton, MD Prince George's Co. United States	Bay Hill Dr. / Innisbrook Dr. (39.06579, -76.92532)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Polychrome Historic District, MD Prince George's Co. United States	IKEA Center Blvd. / Milestone Way (39.02224, -76.92650)	Other Existing	Other Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)		Mix of yield-controlled and uncontrolled entries.
Burtonsville, MD Montgomery Co. United States	Dustin Rd. / US 29 SB Offramp / Columbia Pike (39.12256, -76.92656)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.5482	Freeway Ramps (Grade-Separated) Single-Lane	2006	Fatal crash October 14, 2007.: http://www.fredericknewspost.com/sections/news/display.htm?StoryID=66411. 11861-05. ICD estimated from Google Maps linework.
Sykesville, MD Carroll Co. United States	Bennett Rd. / Monroe Ave. (39.41306, -76.92967)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.7590	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Marriottsville, MD Howard Co. United States	Sand Hill Rd. / Sand Hill Manor Dr. / Mount View Rd. (39.31018, -76.93043)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-2002).
West Friendship, MD Howard Co. United States	Folly Quarter Rd. / Sheppard Ln. / Homewood Rd. (39.24979, -76.93188)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2002-2005).
College Park, MD Prince George's Co. United States	Lafayette Ave. / Rivertech Ct. (38.96737, -76.93276)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018).
Beltsville, MD Prince George's Co. United States	Sellman Rd. / Woodbine Rd. (39.03418, -76.93680)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2008	Intersection relocated south of previous TWSC intersection.
Saint Charles, MD Charles Co. United States	Devongate St. / Malvern St. / Promenade Pl. (38.61057, -76.93790)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2009	Crosswalks adjacent to circulatory roadway. Year Completed estimated (2008-2009).
College Park, MD Prince George's Co. United States	Dupont Circle (38.95971, -76.93792)	Other Existing	Other Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Mix of stop and yield control. No splitter islands.
Mechanicsburg, PA Cumberland Co. United States	Lisburn Rd. / Rossmoyne Rd. (40.19649, -76.94005)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	https://www.wgal.com/article/lower-allen-township-roundabouts-open/29751390
College Park, MD Prince George's Co. United States	Campus Dr. / Regents Dr. (38.98762, -76.94019)	Other Existing	Other Unknown	4 Approaches 0 Driveways 58.4848	Other (At-Grade) Multilane (2 Lane, unspecified)		Mix of Yield and Stop signs (3 Yields; 1 Stop) at approaches. ICD estimated from Google Maps linework.
Mechanicsburg, PA Cumberland Co. United States	Lisburn Rd. / Arcona Rd. (40.19402, -76.94066)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	https://www.wgal.com/article/lower-allen-township-roundabouts-open/29751390
Clarksville, MD Howard Co. United States	Preakness Circle Ln. / Watkins Bridge Ln. (39.22880, -76.94308)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 30.4800	Other (At-Grade) Single-Lane	2010
Clarksville, MD Howard Co. United States	Running Fence Ln. / Preakness Circle Ln. (39.22640, -76.94374)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2010
Calverton, MD Montgomery Co. United States	Fairland Rd. / Galway Dr. (39.06594, -76.94436)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2008
Clarksville, MD Howard Co. United States	Watkins Bridge Ln. / Holly Creek Ln. (39.22939, -76.94583)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2010
Saint-Charles, MD Charles Co. United States	Smugglers Notch Ct. / Jacksonhole Pl. (38.60188, -76.94805)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
College Park, MD Prince George's Co. United States	Campus Dr. / Mowatt Ln. / Valley Dr. (Alumni Dr.) (38.98482, -76.94890)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0037	Other (At-Grade) Single-Lane	2004	Striped splitter island on north and east legs. Year Completed estimated (2002-2005).
College Park, MD Prince George's Co. United States	Stadium Dr. / Alumni Dr. (38.99151, -76.94948)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)
Accokeek, MD Prince George's Co. United States	St Mary's View Rd. / Lusby Ridge Rd. (38.69721, -76.95157)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane		No splitter island on south leg.
College Park, MD Prince George's Co. United States	Fieldhouse Dr. / Presidential Dr. (38.98872, -76.95237)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Calverton, MD Montgomery Co. United States	Fairland Rd. / Marlow Farm Terr. / Musgrove Rd. (39.07004, -76.95264)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2008
Calverton, MD Montgomery Co. United States	Fairland Rd. / Brahms Ave. / (parking) (39.07126, -76.95403)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, unspecified)	2008
Clarksville, MD Howard Co. United States	Brighton Dam Rd. / Ten Oaks Rd. (39.20491, -76.95455)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 35.1680	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Mechanicsburg, PA Cumberland Co. United States	Haralson Dr. / Norland St. (40.19355, -76.95545)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
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.
Mechanicsburg, PA Cumberland Co. United States	Haralson Dr. / Stellar Dr. (40.19368, -76.95742)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
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.
Mechanicsburg, PA Cumberland Co. United States	Orchard Blvd. / Mcintosh Dr. (40.18977, -76.96065)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Mount Rainier, MD Prince Georges Co. United States	US 1 / 34th St. / Perry St. (38.93647, -76.96074)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 41.1480	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2001	Oval shaped. ICD = 135 ft x 115 ft.
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.
Sykesville, MD Carroll Co. United States	Smithfield Ave. / Warfield Ave. (39.37673, -76.96410)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.0835	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Elliptical shape. ICD estimated from Google Maps linework.
Saint Charles, MD Charles Co. United States	Ethridge Dr. / Nobility Ct. (38.62769, -76.96461)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter island on north and east legs.
Mechanicsburg, PA Cumberland Co. United States	Orchard Blvd. / Lake Dr. (40.18776, -76.96866)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Saint Charles, MD Charles Co. United States	Lexington Dr. / Montpelier Dr. (38.64225, -76.96877)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Mechanicsburg, PA Cumberland Co. United States	Lake Dr. / Harvest Dr. (40.18397, -76.96982)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Clarksville, MD Howard Co. United States	Northern Bell Way / Bee Frances Way / Catherine Close Rd. (39.23232, -76.97091)	Other Existing	Unknown Unknown	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane
Saint Charles, MD Charles Co. United States	Radford St. / Montpelier Dr. (38.64135, -76.97106)	Other Existing	Unknown Unknown	3 Approaches 4 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian access to central island.
Westminster, MD Carroll Co. United States	Old Westminster Pike / N Chandler Dr. (39.55808, -76.97130)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018).
Hanover, PA York Co. United States	E Walnut St. / Keagy Ave. (39.82267, -76.97161)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Hanover, PA York Co. United States	E Walnut St. / Hollywood Ave. (39.82089, -76.97224)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Clarksville, MD Howard Co. United States	Linden Church Rd. / MD 32 NB Ramps (39.22942, -76.97263)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2013	Year Completed estimated (2011-2014).
Westminster, MD Carroll Co. United States	Market St. / Gorsuch Rd. (39.57010, -76.97452)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.6987	Other (At-Grade) Single-Lane	2005	Right-turn bypass lanes on SW and SE quadrants. ICD estimated from Google Maps linework.
Chillum, MD Prince George's Co. United States	Oglethorpe St. / 20th Ave. (38.96225, -76.97495)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Saint Charles, MD Charles Co. United States	Middletown Rd. / Billingsley Rd. (38.60721, -76.97561)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.3400	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	https://www.charlescountymd.gov/our-county/infrastructure/traffic-signal-projects/middletown-road-billingsley-road-roundabout
Clarksville, MD Howard Co. United States	Highland Rd. / Triadelphia Mill Rd. (39.21551, -76.97698)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2008
Washington, DC N/A Co. United States	New York Ave. / Montana Ave. / West Virginia Ave. (38.91723, -76.97813)	Signalized Roundabout/Circle Existing	Signal None	0 Approaches 0 Driveways 65.9769	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Waldorf, MD Charles Co. United States	Davis Rd. / (School entrance) (38.63609, -76.97873)	Roundabout Existing	All-Way Yield None	2 Approaches 1 Driveways 33.5852	Other (At-Grade) Single-Lane	2005	Functional Class: Local ICD estimated from Google Maps linework.
Abbottstown, PA Adams Co. United States	King St. / Queen St. (39.88671, -76.98461)	Other Existing	All-Way Yield Unknown	4 Approaches 4 Driveways 33.9077	Other (At-Grade) Single-Lane		Parking along circulatory roadway. 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.
Glenelg, MD Howard Co. United States	Triadelphia Rd. / Ten Oaks Rd. (39.26399, -76.98621)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1992-2002).
West Friendship, MD Howard Co. United States	Burntwoods Rd. / Andrea Dr. / MD 32 NB Ramps (39.27321, -76.98627)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.1338	Freeway Ramps (Grade-Separated) Single-Lane	2008	ICD estimated from Google Maps linework.
Glenelg, MD Howard Co. United States	Ten Oaks Rd. / Pfefferkorn Rd. / MD 32 SB Ramps (39.27615, -76.98641)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.3587	Freeway Ramps (Grade-Separated) Single-Lane	2008	ICD estimated from Google Maps linework.
Glenelg, MD Howard Co. United States	Burntwoods Rd. (MD 932B) / Ten Oaks Rd. (MD 932C) (39.27315, -76.98805)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.9074	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Washington, DC City of Washington Co. United States	Brentwood Rd NE / Bryant Rd NE / 13th St NE (38.92115, -76.98915)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways 39.0264	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	First true roundabout in District of Columbia ICD estimated from Google Maps linework.
Upper Allen Township, PA Cumberland Co. United States	W Lisburn Rd. / Grantham Rd. (40.16298, -76.99018)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 16.4290	Other (At-Grade) Single-Lane	2018	https://www.abc27.com/news/top-video/new-traffic-circle-opens-in-upper-allen_20181003215307/1495637846 ICD estimated from Google Maps linework.
Glenelg, MD Howard Co. United States	Pfefferkorn Rd. / Fox Stream Way / Old Rover Rd. (39.29067, -76.99226)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2005).
Westminster, MD Carroll Co. United States	(Carroll Community College entrance) / (parking) (39.53096, -76.99236)	Other Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Providence Forge, VA New Kent Co. United States	Brickshire Dr. / Royal Ln. (37.48050, -76.99323)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1994-2003).
Cloverly, MD Montgomery Co. United States	Harbour Town Dr. / Firestone Dr. (39.12855, -76.99401)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Williamsport, PA Lycoming Co. United States	Via Bella St. / Mulberry St. (41.24000, -76.99792)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.3309	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Cloverly, MD Montgomery Co. United States	Firestone Dr. / Sea Island Ct. (39.12744, -76.99807)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Williamsport, PA Lycoming Co. United States	Via Bella St. / Court St. (41.23876, -77.00027)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 58.3764	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Miraflores, Lima Province of Lima Peru	Ovalo Los Cabitos (-12.12880, -77.00104)	Other Existing	Uncontrolled Unknown	6 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Williamsport, PA Lycoming Co. United States	Via Bella St. / William St. (41.23740, -77.00319)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.1096	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Glenwood, MD Howard Co. United States	Burntwoods Rd. / Sharp Rd. (39.27702, -77.00369)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.5847	Other (At-Grade) Single-Lane	2006	Adjacent to Glenelg High School. ICD estimated from Google Maps linework.
Ashton, MD Montgomery Co. United States	Harbour Town Dr. / Grand Cypress Ct. (39.13205, -77.00407)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Oxon Hill, MD Prince George's Co. United States	Oxon Hill Rd. / (parking lots) (38.79166, -77.00416)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.0650	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
(unincorporated), MD Prince Georges Co. United States	Ft. Washington Rd. / Swan Creek Rd. (38.72498, -77.00491)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1576	Other (At-Grade) Single-Lane	1997	Fourth leg added. Year Completed estimated (before 2001). ICD estimated from Google Maps linework.
Chorrillos, Lima Province of Lima Peru	Avenida Alameda Caballero de Alcántara / Avenida Alameda San Hermenegiloameda (-12.21595, -77.00513)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Oxon Hill, MD Prince George's Co. United States	Oxen Hill Rd. / Cedar Ridge Dr. / Panorama Dr. (38.78452, -77.00597)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.4465	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Fort Washington, MD Prince George's Co. United States	Oxon Hill Rd. / Kerby Hill Rd. (38.77951, -77.00648)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.4490	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Sykesville, MD Carroll Co. United States	Old Washington Rd. (MD 97) / W Old Liberty Rd. (39.42906, -77.00755)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.1330	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1995-2005). ICD estimated from Google Maps linework.
Hampden Township, PA Cumberland Co. United States	Lambs Gap Rd. / Bali Hai Rd. (40.27016, -77.00786)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 40.0963	Other (At-Grade) Single-Lane	2019	http://www.cvschools.org/common/pages/UserFile.aspx?fileId=4627839 ICD estimated from Google Maps linework.
Silver Spring, MD Montgomery Co. United States	Woodmoor Dr. / Lexington Dr. (39.02215, -77.00818)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Silver Spring, MD Montgomery Co. United States	Ritchie Ave. / Oswego Ave. (38.98602, -77.00877)	Traffic Calming Circle Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Painted splitter islands.
Oxon Hill, MD Prince Georges Co. United States	National Harbor Blvd. / American Way (38.78227, -77.01099)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.7236	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	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.
Mechanicsburg, PA Cumberland Co. United States	Cope Circle [Cope Dr. / Glime Dr./ Kower Dr.] (40.15949, -77.01261)	Other Existing	Unknown Unknown	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
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	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.
Sandy Spring, MD Montgomery Co. United States	Alexander Manor Dr. / Red Tail Ct. / Halex Hill Ct. (39.13149, -77.01778)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
New Bern, NC Craven Co. United States	Haley Ray Ln. / Drew Ave. / Austin Ave. (35.03380, -77.01924)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on three legs.
Washington, DC N/A Co. United States	Grant Circle (New Hampshire Ave. / Illinois Ave. / Varnum St. / NW 5th St.) (38.94312, -77.01926)	Rotary Existing	All-Way Stop None	8 Approaches 0 Driveways 120.7587	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial ICD estimated from Google Maps linework.
Washington, DC N/A Co. United States	Sherman Circle (Kansas Ave. / Illinois Ave. / Crittenden St.) (38.94733, -77.02190)	Rotary Existing	All-Way Stop None	6 Approaches 0 Driveways 89.1704	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial ICD estimated from Google Maps linework.
Silver Spring, MD Montgomery Co. United States	Gist Ave. / Woodbury Dr. (38.98948, -77.02294)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.