Roundabouts Database

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
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.
James City, NC
Craven Co.
United States 		W Grantham Rd. / Pine St.
(35.06418, -77.02352) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2023 Roundabout relocated to be approximately 50 feet from railroad track. Intersection moved approximately 350 feet southwest of the original location. Previous intersection was controlled with stop signs on 3 of the approaches. https://www.witn.com/2023/09/05/james-city-traffic-roundabout-set-open-friday/
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.
San Isidro, Lima
Province of Lima
Peru 		Plaza 27 de Noviembre
(-12.09835, -77.02929) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Pedestrian access to central island; parking along circulatory roadway.
Washington, DC

United States 		Main Dr. NW
(38.97464, -77.02950) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Washington, DC
N/A Co.
United States 		Logan Circle (Rhode Isl. Ave. / Vermont Ave. / 13th St. / P St.)
(38.90965, -77.02963) 		Signalized Roundabout/Circle
Existing 		Signal
None 		5 Approaches
0 Driveways
120.8157 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Wheaton-Glenmont, MD
Montgomery Co.
United States 		Foggy Glen Dr. / Soaring Wing Ln.
(39.08128, -77.02998) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
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.
Sandy Spring, MD
Montgomery Co.
United States 		Friends House Rd. / Quaker Ln. / (parking)
(39.14071, -77.03036) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Washington, DC
N/A Co.
United States 		Thomas Circle (Mass Ave. / Vermont Ave. / 14th St. / M St.)
(38.90565, -77.03196) 		Signalized Roundabout/Circle
Existing 		Signal
None 		6 Approaches
0 Driveways
75.2817 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Wheaton-Glenmont, MD
Montgomery Co.
United States 		Redspire Dr. / Tivoli Lake Blvd.
(39.07315, -77.03208) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
James City, NC
Craven Co.
United States 		Terminal Dr. / Airline Dr. / (parking)
(35.07889, -77.03292) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 Only 2 approaches but 4 exits. Year Completed estimated (2019-2022).
New Bern, NC
Craven Co.
United States 		Sellhorn Blvd. / Inge Ct.
(35.05745, -77.03385) 		Other
Existing 		Unknown
Unknown 		3 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands
Washington, DC

United States 		Main Dr. NW / 14th St. NW
(38.97376, -77.03425) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
New Bern, NC
Craven Co.
United States 		Broad St. / Front St.
(35.10776, -77.03563) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
27.3573 		Other (At-Grade)
Single-Lane 		2001 Part of enhancement project. ICD estimated from Google Maps linework.
Miraflores, Lima
Province of Lima
Peru 		Ovalo Bolognesi
(-12.12325, -77.03583) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Pedestrian access to central island; parking along circulatory roadway.
Washington, DC
N/A Co.
United States 		Scott Circle (Mass. Ave. / Rhode Isl. Ave. / 16th St. / N St.)
(38.90725, -77.03654) 		Signalized Roundabout/Circle
Existing 		Signal
None 		6 Approaches
0 Driveways
51.1161 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Miraflores, Lima
Province of Lima
Peru 		Ovalo Gutierrez
(-12.11035, -77.03693) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Wheaton-Glenmont, MD
Montgomery Co.
United States 		Poplar Run Dr. / Night Sky Dr. / Moonlight Trail Dr.
(39.07862, -77.03729) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Miraflores, Lima
Province of Lima
Peru 		Ovalo Julio Ramon Ribeyro
(-12.11893, -77.04005) 		Other
Existing 		Unknown
Unknown 		8 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Carabayllo, Lima
Province of Lima
Peru 		Avenida Huarangal / Avenida Periurbana
(-11.82782, -77.04032) 		Unknown
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Courtland, VA
Southampton Co.
United States 		US 58 Business (Main St. [Jerusalem Rd.]) / US 58 WB Ramps
(36.69722, -77.04116) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
36.5760 		Freeway Ramps (Grade-Separated)
Single-Lane 		2018 https://www.virginiadot.org/newsroom/hampton_roads/2018/major_milestone_met_months129525.asp
Franklin, VA
Southampton Co.
United States 		Old Bridge Rd. / US 58 EB Ramps
(36.69339, -77.04150) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Freeway Ramps (Grade-Separated)
Single-Lane 		2018 https://www.virginiadot.org/newsroom/hampton_roads/2018/major_milestone_met_months129525.asp
Miraflores, Lima
Province of Lima
Peru 		Plaza Centro America
(-12.11892, -77.04277) 		Other
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Lima, Lima
Province of Lima
Peru 		Plaza dos de Mayo
(-12.04641, -77.04281) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Lima, Lima
Province of Lima
Peru 		Plaza Ramón Castilla
(-12.04341, -77.04302) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Phelps, NY
Ontario Co.
United States 		Fort Hill Rd. / McIvor Rd. / CR 23
(42.91672, -77.04341) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2019 https://www.fltimes.com/news/ontario-county-s-newest-roundabout-opens-in-phelps/article_3fe5e190-49db-5f3b-a42f-7da6c3073a08.html .
Washington, DC
N/A Co.
United States 		Dupont Circle (Mass Ave. / Conn. Ave. / New Hampshire Ave.19th St. / P St.)
(38.90965, -77.04344) 		Signalized Roundabout/Circle
Existing 		Signal
None 		10 Approaches
0 Driveways
137.5441 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Jesús María, Lima
Province of Lima
Peru 		Avenida Cuba
(-12.07515, -77.04350) 		Other
Existing 		Unknown
Unknown 		8 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Jesús María, Lima
Province of Lima
Peru 		Parque Santa Cruz
(-12.07259, -77.04507) 		Other
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Breña, Lima
Province of Lima
Peru 		Parque General Pedro Silva
(-12.06179, -77.04826) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Miraflores, Lima
Province of Lima
Peru 		Avenida del Ejercito / Avenida Hipólito Unanue
(-12.11308, -77.04851) 		Unknown
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Emerald Isle, NC
Carteret Co.
United States 		Emerald Dr. / Plantation Dr.
(34.66452, -77.04878) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
28.4876 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Olney, MD
Montgomery Co.
United States 		Old Baltimore Rd. / Bishops Castle Dr.
(39.14878, -77.04958) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Unknown
Single-Lane 		2019 Painted splitter islands on major street; no splitter islands on side street.
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.
Washington, DC
N/A Co.
United States 		Sheridan Circle (Mass Ave. / 23rd St. / R St.)
(38.91214, -77.05065) 		Rotary
Existing 		Uncontrolled
None 		0 Approaches
0 Driveways
69.6989 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.