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
Nassau, New Providence
Nassau
The Bahamas 		John F Kennedy Dr. / Ministry of Works
(25.06057, -77.38078) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
47.6034 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Nassau, New Providence
Nassau
The Bahamas 		Harrold Rd. / Sir Milo Butler Hwy
(25.04628, -77.37572) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
50.8550 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Nassau, New Providence
Nassau
The Bahamas 		Bethel Ave. / John F. Kennedy Dr. / Farmington Rd. / Thompson Blvd.
(25.06020, -77.37430) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
82.2243 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Nassau, New Providence
Nassau
The Bahamas 		W Bay St. / Bethel Ave.
(25.07795, -77.37339) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
40.0244 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Frederick, MD
Frederick Co.
United States 		Greenleese Circle
(39.44847, -77.37242) 		Other
Existing 		Unknown
Unknown 		2 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Nassau, New Providence
Nassau
The Bahamas 		Bethel Ave. / (unknown)
(25.05474, -77.37204) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
55.1793 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		Stone Barn Dr. / Longleaf Dr.
(39.33278, -77.36713) 		Unknown
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Frederick, MD
Frederick Co.
United States 		Synergy Way
(39.43898, -77.36665) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2011).
Frederick, MD
Frederick Co.
United States 		Synergy Way / Progress Dr.
(39.43796, -77.36660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2008
Bath, NY
Steuben Co.
United States 		Rte 415 / Rte 53 (Main St.)
(42.36996, -77.36402) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.0600 		Other (At-Grade)
Single-Lane 		2019 ICD estimated from Google Maps linework.
Varina, VA
Henrico Co.
United States 		New Market Village Blvd. / New Market Village Pkwy.
(37.48323, -77.36220) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands.
Nassau, New Providence
Nassau
The Bahamas 		Harrold Rd. / Bahama Games Blvd.
(25.04516, -77.36151) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
50.8555 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Chester, VA
Chesterfield Co.
United States 		Greyledge Blvd. / Tobacco Bay Pl.
(37.33543, -77.36144) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2007
Frederick, MD
Frederick Co.
United States 		Fingerboard Rd. (MD 80) / I-270 SB Ramps
(39.32289, -77.35845) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.1198 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2009 ICD estimated from Google Maps linework.
Richmond, VA

United States 		Gay Ave. / (unknown)
(37.52962, -77.35706) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.5160 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		MD 355 / Sprigg St.
(39.33070, -77.35654) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.4954 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Richmond, VA

United States 		Jan Rd. / (unknown)
(37.52759, -77.35490) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.5172 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 ICD estimated from Google Maps linework.
Nassau, New Providence
Nassau
The Bahamas 		Nassau St. / Thompson Blvd. / Poinciana Dr.
(25.06443, -77.35457) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
51.9293 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Richmond, VA

United States 		Gay Ave. / Jan Rd.
(37.52893, -77.35296) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
22.7318 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Mechanicsville, VA
Hanover Co.
United States 		Smoothbore Ln. / Annex Ln.
(37.64497, -77.35281) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.2618 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		Bush Creek Dr. / Major Smith Ln.
(39.33507, -77.35263) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.6364 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		MD 355 / Sugarloaf Pkwy.
(39.32862, -77.35193) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.8013 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		Bennett Creek Ave. / Bennett Creek Rd.
(39.32223, -77.35181) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.2613 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Nassau, New Providence
Nassau
The Bahamas 		Harrold Rd. / Independence Dr. / Blue Hill Rd.
(25.04437, -77.35043) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
62.7582 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Mechanicsville, VA
Hanover Co.
United States 		Battalion Dr. / Brevet Ln.
(37.64595, -77.34993) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.2614 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		MD 80 / Sugarloaf Pkwy. / Bennett Creek Blvd.
(39.32467, -77.34974) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.6619 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 Rural ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		Bennett Creek Ave. / Bennett Creek Blvd.
(39.32256, -77.34935) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.8808 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Frederick, MD
Frederick Co.
United States 		Briarcliff Ln. / Briarcliff Way / Cliffside Terrace
(39.40696, -77.34925) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Woodbridge, VA
Prince William Co.
United States 		Greatbridge Rd. / Mays Quarter Rd.
(38.68304, -77.34802) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.7509 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1994-2002). ICD estimated from Google Maps linework.
Camp Lejeune, NC
Onslow Co.
United States 		Holcomb Blvd. / McHugh Blvd.
(34.66476, -77.34787) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
60.9043 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 Was previously a rotary. ICD estimated from Google Maps linework.
Mechanicsville, VA
Hanover Co.
United States 		Battalion Dr. / Brigadier Rd.
(37.64610, -77.34683) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4244 		Other (At-Grade)
Single-Lane 		2003 Crosswalk ends in driveway. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Woodbridge, VA
Prince William Co.
United States 		Greatbridge Rd. / Chanceford Dr.
(38.69295, -77.34576) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.8976 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Frederick, MD
Frederick Co.
United States 		Hillsborough Dr. / Hillsborough Terrace / Forest Hills Ct.
(39.41266, -77.34441) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Woodbridge, VA
Prince William Co.
United States 		Mays Quarter Rd. / Dorset Dr. / Weejun Loop
(38.68551, -77.34407) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.3589 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Fort Lee, VA
Prince George Co.
United States 		Redstone Dr. / 11th St. / Aberdeen Ave.
(37.25080, -77.34341) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
76.2000 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2008-2010).
Urbana, MD
Frederick Co.
United States 		Sugarloaf Pkwy. / Denison St.
(39.33490, -77.34180) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
36.9503 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 ICD estimated from Google Maps linework.
Nassau, New Providence
Nassau
The Bahamas 		Independence Dr. / East St.
(25.04569, -77.34169) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
55.1833 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Mechanicsville, VA
Hanover Co.
United States 		Studley Rd. / Rural Point Rd.
(37.66768, -77.34019) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.4710 		Other (At-Grade)
Single-Lane 		2018 Replaced highly skewed stop-controlled intersection. https://www.facebook.com/HanoverCountyVA/videos/studley-road-and-rural-point-road-roundabout/1801687246541853/ ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		Hartwick Ln. / Singleton Terrace
(39.33399, -77.33970) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Frederick, MD
Frederick Co.
United States 		Claridge Dr. S / Spring Ridge Pkwy.
(39.40767, -77.33577) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
2 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2002 Painted splitter islands on two legs. Year Completed estimated (1988-2005).
Urbana, MD
Frederick Co.
United States 		Royal Crest Cir. / Aberdeen Way
(39.34020, -77.33396) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Chester, VA
Chesterfield Co.
United States 		SR 618 (Meadowville Rd.) / Meadowville Technology Pkwy. / Corporate Village Pkwy.
(37.36755, -77.33055) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
46.5109 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012 Fourth leg added 2016. Vane islands separating circulating lanes. ICD estimated from Google Maps linework.
Nassau, New Providence
Nassau
The Bahamas 		C W Saunders Hwy / Pigeon Plum St.
(25.02663, -77.33003) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
44.3700 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Linganore, MD
Frederick Co.
United States 		Woodridge Rd. / Woodland Rd.
(39.42155, -77.32956) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Urbana, MD
Frederick Co.
United States 		Braidwood Dr. / Ethan Ridge Ave.
(39.34386, -77.32911) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2008-2009).
Greenville, NC
Pitt Co.
United States 		E Fire Tower Rd. / Portertown Rd. / Robins Ln.
(35.57142, -77.32778) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.9724 		Other (At-Grade)
Single-Lane 		2012 Right-turn bypass lane in NW quadrant. ICD estimated from Google Maps linework.
Camp Lejeune, NC
Onslow Co.
United States 		Daly St. / Anderson St. / HM Smith Blvd.
(34.65231, -77.32713) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
46.1764 		Other (At-Grade)
Single-Lane 		ICD = 125 ft. ICD estimated from Google Maps linework.
Nassau, New Providence
Nassau
The Bahamas 		Wulff Rd. / Marathon Rd. / Jerome Ave.
(25.05794, -77.32413) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
24.8841 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Paradise Island, New Providence
Nassau
The Bahamas 		Paradise Beach Dr. / Harbour Dr.
(25.08108, -77.31985) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
37.8600 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Triangle, VA
Prince William Co.
United States 		Stonewall Manor Dr. / Kerill Rd.
(38.54970, -77.31860) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.0873 		Other (At-Grade)
Single-Lane 		2005 Functional Class: Local ICD estimated from Google Maps linework.
Farmington, NY
Ontario Co.
United States 		CR 8 / CR 41
(42.96351, -77.31853) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2015
Mechanicsville, VA
Hanover Co.
United States 		Cold Harbor Rd. / Creighton Rd.
(37.59043, -77.31734) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://richmond.com/news/local/hanover/mechanicsville-local/creighton-road-roundabout-progresses/article_193eda3e-d0f5-11ea-b1cf-df759d81b577.html
Dumfries, VA
Prince William Co.
United States 		Stonewall Manor Dr. / Cabin Rd.
(38.55385, -77.31572) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
25.2178 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
Fort Lee, VA
Prince George Co.
United States 		Battle Circle
(37.23236, -77.31545) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands.
Triangle, VA
Prince William Co.
United States 		Potomac Crest Dr. / Lady Catherine Cir.
(38.53672, -77.31500) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.9607 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
Triangle, VA
Prince William Co.
United States 		Kerill Rd. / Dondis Creek Ct.
(38.54794, -77.31411) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.4177 		Other (At-Grade)
Single-Lane 		2010 Functional Class: Local ICD estimated from Google Maps linework.
Fairfax, VA
Fairfax Co.
United States 		Patriot Cir. / Mason Pond Dr.
(38.82981, -77.31152) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2008
Linganore, MD
Frederick Co.
United States 		Old National Pike / Eaglehead Dr.
(39.38995, -77.31098) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 South leg stubbed. Constructed initially as single-lane roundabout in 2007-2008. Expanded into two-lane roundabout 2016-2018.
Linganore, MD
Frederick Co.
United States 		Lake Linganore Blvd. / Eaglehead Dr.
(39.39732, -77.31047) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2022).
Quantico Base, VA
Prince William Co.
United States 		Barnett Ave. / Russell Rd. / Dunlap Rd. / Damato St.
(38.51066, -77.31001) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified)
New Market, MD
Frederick Co.
United States 		Eaglehead Dr. / Pecking Stone St.
(39.39397, -77.30943) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2016 Year Completed estimated (2015-2017).
Hopewell, VA
Hopewell City
United States 		Virginia St. / Wilmington Ave.
(37.27664, -77.30884) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Fire station in central island.
Prince George, VA
Prince George Co.
United States 		Allin Rd. / A Ave. / Bull Hill Rd. / Jefferson Park Rd.
(37.22679, -77.30860) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.3333 		Other (At-Grade)
Single-Lane 		2012 Right-turn-only lane on north leg. ICD estimated from Google Maps linework.
Germantown, MD
Montgomery Co.
United States 		Crestmount Rd. / Kings Crossing Rd.
(39.16175, -77.30841) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
New Market, MD
Frederick Co.
United States 		Eaglehead Dr. / Tomahawk St. / Fallfish Ct.
(39.39677, -77.30826) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 Year Completed estimated (2017-2018).
Ijamsville, MD
Frederick Co.
United States 		Royal Saint Andrews Pl. / Quail Creek Pl.
(39.38039, -77.30788) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Greenville, NC
Pitt Co.
United States 		SR 2241 (Ivy Rd.) / SR 1774 (Mills Rd.)
(35.52351, -77.30654) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.8535 		Other (At-Grade)
Single-Lane 		2015 Project W-5601N. ICD estimated from Google Maps linework.
Linganore, MD
Frederick Co.
United States 		Boyers Mill Rd. / Eaglehead Dr.
(39.41912, -77.30650) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2018
Boyds, MD
Montgomery Co.
United States 		Crazy Quilt Ct.
(39.16123, -77.30454) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Fairfax, VA
City of Fairfax
United States 		University Dr. / (parking)
(38.86028, -77.30428) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
3 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2022 https://www.youtube.com/watch?v=UwmJSdActdk
Germantown, MD
Montgomery Co.
United States 		Kings Crossing Blvd. / Cornflower Rd.
(39.16222, -77.30397) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Germantown, MD
Montgomery Co.
United States 		Ashleigh Greene Rd. / Cornflower Rd.
(39.15879, -77.30324) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Oakton, VA
Fairfax Co.
United States 		Hunter Mill Rd. / Mystic Meadow Way
(38.88680, -77.30187) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.9599 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Darnestown, MD
Montgomery Co.
United States 		Schaeffer Rd. / Germantown Park Dr. / Central Park Cir.
(39.15003, -77.30152) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2004 Right-turn-only lane on northeast leg. Year Completed estimated (2002-2005).
Germantown, MD
Montgomery Co.
United States 		Crossview Rd. / Autumn Crest Rd.
(39.16717, -77.30075) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Ijamsville, MD
Frederick Co.
United States 		Whiskey Rd. / Whiskey Ct.
(39.36078, -77.30012) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Prince George, VA
Prince George Co.
United States 		VA 106 (Courthouse Rd) / VA 634 (Allin Rd)
(37.22338, -77.29979) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
38.0409 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Germantown, MD
Montgomery Co.
United States 		Kings Crossing Blvd. / Ashmeade Rd.
(39.16235, -77.29971) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		Painted splitter islands. Pedestrian crossings next to circulatory roadway.
(unincorporated), VA
Henrico Co.
United States 		Darbytown Rd. / Turner Rd.
(37.45112, -77.29935) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023 Quick build with plastic central island. Peanut shaped. https://www.youtube.com/watch?v=3-AotYkeJqk
Germantown, MD
Montgomery Co.
United States 		Ashleigh Greene Rd. / Ashmeade Rd.
(39.16013, -77.29900) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Linganore, MD
Frederick Co.
United States 		Mussetter Rd. / Whiterose Dr. / Whiterose Way
(39.39008, -77.29747) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2002 Painted splitter islands on three legs. Year Completed estimated (1988-2005).
Clarksburg, MD
Montgomery Co.
United States 		Clarksburg Rd. / W Old Baltimore Rd.
(39.21396, -77.29731) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2019-2020).
New Market, MD
Frederick Co.
United States 		Empire Blvd. / Edwardian Ln. / Jacobian Pl.
(39.39428, -77.29567) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Parking along circulatory roadway.
Linganore, MD
Frederick Co.
United States 		Finn Dr. / Douglas Ave. / Huckleberry Way
(39.40210, -77.29509) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island. No splitter islands.
Clarksburg, MD
Montgomery Co.
United States 		Clarksburg Rd. (MD 121) / Cabin Branch Ave.
(39.22689, -77.29051) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
46.2592 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Woodbridge, VA
Prince William Co.
United States 		Anchor Bend Circle
(38.59517, -77.28977) 		Other
Existing 		Unknown
Unknown 		2 Approaches
12 Driveways
0.0000 		Other (At-Grade)
Unknown
Clarksburg, MD
Montgomery Co.
United States 		Clarksburg Rd. (MD 121) / (outlet mall entrance)
(39.22844, -77.28869) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
49.9588 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Clarksburg, MD
Montgomery Co.
United States 		Broadway Ave. / Little Seneca Pkwy.
(39.21646, -77.28540) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2016 Year Completed estimated (2015-2017). Striping added 2019-2021.
Clarksburg, MD
Montgomery Co.
United States 		Cabin Branch Ave. / Skimmer St.
(39.22020, -77.28435) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2016 Year Completed estimated (2015-2017). Striping added 2019-2021.
Clarksburg, MD
Montgomery Co.
United States 		Little Seneca Pkwy. / Cabin Branch Ave.
(39.21654, -77.28310) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2016 Year Completed estimated (2016-2017). Striping added 2019-2021.
Woodbridge, VA
Prince William Co.
United States 		Potomac Branch Dr. / Oberlin Dr. / Barkham Dr. / Weeburn Way / Cadbury Way
(38.63114, -77.28082) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Shortsville, NY
Ontario Co.
United States 		CR 28 / Shortsville Rd.
(42.95597, -77.27692) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.democratandchronicle.com/story/news/2020/10/19/roundabout-opens-county-road-28-and-shortsville-road-farmington-ny/3706261001/
Germantown, MD
Montgomery Co.
United States 		Kildale Hills Terrace / Galway Bay Cir.
(39.17826, -77.27643) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Clarksburg, MD
Montgomery Co.
United States 		Saint Clair Rd. / Timber Creek Ln. / Brewers Tavern Terrace / (unknown)
(39.23680, -77.27531) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Germantown, MD
Montgomery Co.
United States 		Wonderland Way / Chalet Dr.
(39.15516, -77.27464) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Germantown, MD
Montgomery Co.
United States 		Crystal Rock Dr. / Century Blvd.
(39.20326, -77.27356) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2015 Striping added 2019-2021. Inconsistent lane use markings between entry and circulatory roadway.
Oakton, VA
Fairfax Co.
United States 		Saintsbury Dr. / (transit center parking garage)
(38.87600, -77.27317) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2013 Serves Metro station. Right-turn-only lanes on northeast and southwest legs. Southeast leg stubbed. Year Completed estimated (2012-2014).
Germantown, MD
Montgomery Co.
United States 		Pickering Dr. / Pickering Pl.
(39.18854, -77.27173) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Germantown, MD
Montgomery Co.
United States 		Club Hill Dr. / Thackery Pl.
(39.18531, -77.27012) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Oakton, VA
Fairfax Co.
United States 		Saintsbury Dr. / (transit center parking lot)
(38.87667, -77.26993) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2013 Serves Metro station. Right-turn-only lanes on east and west legs. South leg stubbed. Year Completed estimated (2012-2014).