Roundabouts Database

29465 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
Redland, MD
Montgomery Co.
United States 		Columbus Ave. / Gramercy Blvd.
(39.12362, -77.16494) 		Other
Existing 		All-Way Stop
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Potomac, MD
Montgomery Co.
United States 		Old Seven Locks Rd. / Quarry Manor Terrace
(38.99371, -77.16028) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Taneytown, MD
Carroll Co.
United States 		MD 140 / MD 832 / Antrim Blvd.
(39.64809, -77.15468) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		1996 Completed August 1996. Curbs set for double lane, striped for single outer circulating lane.
Cooksville, MD
Howard Co.
United States 		Long Corner Rd. / Penn Shop Rd.
(39.33938, -77.15284) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (1988-2005).
Potomac Heights, MD
Charles Co.
United States 		Cedar Ln. / Glymont Rd. / Greenwood Pl.
(38.60764, -77.14063) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Callao, Constitutional Province of Callao
Constitutional Province of Callao
Peru 		Plaza Garabaldi
(-12.05221, -77.13904) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Callao, Callao
Callao
Peru 		Calle Comandante Juan Fanning [Avenida República de Argentina / Avenida República de Panamá / Avenida Contralmirante Mora]
(-12.05156, -77.13409) 		Other
Existing 		Uncontrolled
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Callao, Constitutional Province of Callao
Constitutional Province of Callao
Peru 		Plaza Guardia Chalaca
(-12.06804, -77.13347) 		Other
Existing 		Unknown
Unknown 		7 Approaches
0 Driveways
 Other (At-Grade)
Unknown
(unincorporated), PA
Perry Co.
United States 		SR 34 / Sunnyside Dr. / Mountain Rd.
(40.29453, -77.13262) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.7256 		Other (At-Grade)
Single-Lane 		2014 Designed to be expanded to two-lane roundabout. ICD estimated from Google Maps linework.
Gaithersburg, MD
Montgomery Co.
United States 		Hoover Farm Dr. / Holland Meadow Ln.
(39.18129, -77.13125) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Gaithersburg, MD
Montgomery Co.
United States 		Hoover Farm Dr. / Brass Bucket Ct.
(39.17775, -77.13018) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Callao, Constitutional Province of Callao
Constitutional Province of Callao
Peru 		Ovalo Centenario
(-12.05075, -77.12598) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Rose Hill, VA
Fairfax Co.
United States 		Park Terrace / Edgewood Dr.
(38.78241, -77.12587) 		Other
Existing 		Unknown
Unknown 		4 Approaches
4 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Callao, Constitutional Province of Callao
Constitutional Province of Callao
Peru 		Ovalo Cantolao
(-11.99706, -77.12553) 		Other
Existing 		Unknown
Unknown 		4 Approaches
1 Driveways
 Other (At-Grade)
Multilane (3+ Lane) 		Pedestrian access to central island.
New Bern, NC
Craven Co.
United States 		W New Bern Pkwy. / Clock Dr.
(35.12991, -77.12486) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands on side street.
Derwood, MD
Montgomery Co.
United States 		Coppelia Dr. / Toboggan Ln.
(39.13566, -77.11938) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
La Perla, Constitutional Province of Callao
Constitutional Province of Callao
Peru 		Republic of Venezuela Ave. / Avenida La Marina Ramps
(-12.06525, -77.11925) 		Unknown
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
Bethesda, MD
Montgomery Co.
United States 		Bradmoor Dr. / Roosevelt St.
(38.99427, -77.11925) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2016-2018).
Alexandria, VA
Alexandria City
United States 		Cameron Station Blvd. / Brenman Park Dr.
(38.80933, -77.11861) 		Other
Existing 		All-Way Stop
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		Pedestrian access to central island.
Quinton, VA
New Kent Co.
United States 		SR 249 (New Kent Hwy.) / SR 612 (Tunstall Rd.-Airport Rd.)
(37.53278, -77.11546) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.2017 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Derwood, MD
Montgomery Co.
United States 		Achille Ln. / Heartwood Dr.
(39.12925, -77.11543) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Corning, NY
Steuben Co.
United States 		Robert Dann Blvd. / Aurene Dr. / Creekside Dr.
(42.16506, -77.11484) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.7216 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Access permits for research and development plant. ICD estimated from Google Maps linework.
Derwood, MD
Montgomery Co.
United States 		Heartwood Dr.
(39.13239, -77.11434) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Erwin, NY
Steuben Co.
United States 		Robert Dann Dr. / Science Center Rd.
(42.15936, -77.11082) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2001 Add-lane right-turn bypass lane on west leg.
Bethesda, MD
Montgomery Co.
United States 		Tournay Rd. / Spangler Ave.
(38.94811, -77.11053) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Bethesda, MD
Montgomery Co.
United States 		Boxwood Rd. / Spangler Ave.
(38.94781, -77.10888) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
New Bern, NC
Craven Co.
United States 		Elizabeth Ave.
(35.12585, -77.10821) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Washington, DC

United States 		Westmoreland Circle (Massachusetts Ave. NW / Dalecarlia Dr. / Western Ave. NW / Butterworth Pl. NW)
(38.94892, -77.10097) 		Rotary
Existing 		All-Way Yield
None 		6 Approaches
0 Driveways
100.5840 		Other (At-Grade)
Multilane (3+ Lane) 		On boundary of DC and Maryland (Western Ave. is the boundary).
Olney, MD
Montgomery Co.
United States 		Wickham Rd. / Olney Mill Rd. / Dunsford Dr.
(39.16071, -77.09596) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on three legs.
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
Olney, MD
Montgomery Co.
United States 		Wickham Rd. / Broom Dr.
(39.15708, -77.09362) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
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
Olney, MD
Montgomery Co.
United States 		Brightwood Rd. / Winding Oak Dr. / Weston Pl.
(39.16065, -77.09120) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
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
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.
Arlington, VA
Arlington Co.
United States 		36th St. S / S Stafford St.
(38.82894, -77.08800) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Parking within circulatory roadway.
San Martín de Porres, Lima
Province of Lima
Peru 		Avenida Naranjal / Avenue Canta Callao
(-11.97372, -77.08786) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Mount Vernon, VA
Fairfax Co.
United States 		Mount Vernon Memorial Hwy
(38.71132, -77.08612) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Parking along circulatory roadway.
Washington, DC
N/A Co.
United States 		Ward Circle (Mass. Ave. / Nebraska Ave.)
(38.93792, -77.08590) 		Signalized Roundabout/Circle
Existing 		Signal
None 		0 Approaches
0 Driveways
80.8214 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Talleysville, VA

United States 		Emmaus Church Rd. / (unknown)
(37.50685, -77.08140) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.6873 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Right-turn only lanes on all approaches with only one circulating lane. ICD estimated from Google Maps linework.
Chevy Chase, MD
Montgomery Co.
United States 		Rosemary Circle [Rosemary St. / Hillcrest Pl. / Stanford St.]
(38.97789, -77.08055) 		Other
Existing 		All-Way Stop
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Parking along circulatory roadway.
Olney, MD
Montgomery Co.
United States 		Fox Valley Dr. / Hillcroft Dr.
(39.12441, -77.07962) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands.
Washington, DC
N/A Co.
United States 		Tenley Circle (Nebraska Ave. / Wisconsin Ave. / Yuma St.)
(38.94628, -77.07875) 		Signalized Roundabout/Circle
Existing 		Signal
None 		0 Approaches
0 Driveways
73.3809 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Talleysville, VA

United States 		Emmaus Church Rd. / (unknown)
(37.51449, -77.07822) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.5777 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Right-turn only lanes on all approaches with only one circulating lane. ICD estimated from Google Maps linework.
Lima, Lima
Province of Lima
Peru 		Avenida Universitaria / Vía Expresa Línea Amarilla
(-12.03577, -77.07769) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Washington, DC

United States 		Chevy Chase Circle (Connecticut Ave. NW / Western Ave. NW / Chevy Chase Pkwy. NW / Grafton St.)
(38.96761, -77.07716) 		Rotary
Existing 		All-Way Yield
None 		7 Approaches
0 Driveways
109.7280 		Other (At-Grade)
Multilane (3+ Lane) 		On boundary between DC and Maryland (Western Ave. is the boundary). Pedestrian access to central island.
Talleysville, VA

United States 		New Kent Hwy. / Old Church Rd.
(37.52467, -77.07560) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.8885 		Other (At-Grade)
Single-Lane 		2008 Two free flowing right-turn bypass lanes ICD estimated from Google Maps linework.
Olney, MD
Montgomery Co.
United States 		Martins Dairy Cir. / Gooseneck Terrace
(39.13176, -77.07439) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Olney, MD
Montgomery Co.
United States 		Martins Dairy Cir. / Old Baltimore Rd.
(39.13345, -77.07382) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Painted splitter islands.
Lisbon, MD
Howard Co.
United States 		MD 94 / MD 144
(39.33700, -77.07360) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		1993 First roundabout in Maryland. Built initially as temporary, made permanent after one month.
Alexandria, VA
Alexandria City
United States 		Beverley Circle: Old Dominion Blvd. / Chalfonte Dr.
(38.83602, -77.07233) 		Other
Existing 		All-Way Stop
Unknown 		3 Approaches
2 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Parking within circulatory roadway. No splitter islands.
Los Olivos, Lima
Province of Lima
Peru 		Ovalo Infantas
(-11.94556, -77.07104) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
Alexandria, VA
Alexandria City
United States 		Washington Circle: Circle Hill Rd. / Beverley Dr. / Canyon Dr.
(38.83533, -77.07047) 		Other
Existing 		Other
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island. No splitter islands. Mix of stop, yield, and uncontrolled entries.
Lisbon, MD
Howard Co.
United States 		MD 94 / Old Frederick Rd. (Lisbon North)
(39.34810, -77.06930) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.7839 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Los Olivos, Lima
Province of Lima
Peru 		Ovalo Naranjal
(-11.97737, -77.06605) 		Other
Unknown 		Unknown
Unknown 		4 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
Mount Vernon, VA
Fairfax Co.
United States 		Fort Willard Circle
(38.78275, -77.06601) 		Other
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Alexandria, VA
Alexandria City
United States 		Hickory St. / Kennedy St.
(38.83080, -77.06213) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2024 Central island is painted only and ringed with mountable dividers. https://www.alexandriava.gov/transportation-planning/project/hickory-street-and-kennedy-street-neighborhood-mini-roundabout
Breña, Lima
Province of Lima
Peru 		Plaza de la Bandera
(-12.06746, -77.06112) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Eisenhower East, VA
Alexandria City
United States 		Eisenhower Ave. / Holland Ln
(38.80044, -77.06079) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		0
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.
Tyendinaga, ON
Hastings
Canada 		CR 10 (Deseronto Rd.) / CR 24 (Belleville Rd.) / CR 1
(44.23557, -77.05927) 		Roundabout
Unknown 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2021
Hampton, PA
Adams Co.
United States 		Carlisle Pike (SR 94) / SR 394 / Stoney Point Rd.
(39.92941, -77.05803) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.ydr.com/story/news/2020/07/16/traffic-alert-12-road-projects-to-know-about-in-south-central-pennsylvania-penndot-roundabout/5359493002/
New Oxford, PA
Adams Co.
United States 		Center Square (Lincoln Way / Hanover St. / Carlilse St.)
(39.86388, -77.05586) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
73.3384 		Other (At-Grade)
Single-Lane 		Converted town square: pedestrian access to central island; parking around circle. ICD estimated from Google Maps linework.
Wheaton, MD
Montgomery Co.
United States 		Park Vista Dr. / Wintergate Dr. / Longmeade Crossing Dr.
(39.10755, -77.05340) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2020 Painted splitter islands added 2020.
Emerald Isle, NC
Carteret Co.
United States 		NC 58 / Mallard Dr. / Emerald Landing Dr.
(34.66104, -77.05268) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
42.2420 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 Developer project. 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.
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.
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.
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.
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)
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
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
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)
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.
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 .
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)
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)
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
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
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
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
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
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 Gutierrez
(-12.11035, -77.03693) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
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 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.
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.
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 		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
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).
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.
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.
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

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.
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
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.
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
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 		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.
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/