27188 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
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.
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)
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
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.
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.
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.
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.
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.
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.
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.
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
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.
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.
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.
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.
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.
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.
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.
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.
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
(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.
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.
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.
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.
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.
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. / 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.
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. / 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
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.
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).
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
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).
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.
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.
Glenelg, MD
Howard Co.
United States
Burntwoods Rd. / Ten Oaks Rd.
(39.27315, -76.98805)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
37.9075
Other (At-Grade)
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.
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
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).
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.
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.
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.
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.
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
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