Roundabouts Database

6756 Results

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City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways Functional Class /
LaneType 		Year Completed Comments
Annapolis Junction, MD
Anne Arundel
United States 		Guilford Rd./MD 32 WB Ramps/
(39.12294, -76.78472) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Freeway Ramps
Single-Lane 		2002 Bypass lanes on all legs.
Ellicott City, MD
Howard
United States 		MD 103/MD 100 WB Ramps
(39.20846, -76.78294) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Freeway Ramps
Single-Lane 		1998 Opened November 1998.
Williamsburg, VA
James City
United States 		Fords Colony Dr./St. Andrews Dr.
(37.30351, -76.78289) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2004
Ellicott City, MD
Howard
United States 		MD 103/MD 100 EB Ramps
(39.20733, -76.78243) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Freeway Ramps
Single-Lane 		1998 Opened November 1998.
Chaptico, MD
St. Marys
United States 		MD 234/MD 238
(38.36791, -76.78179) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2007
Oak Grove, MD
Prince Georges
United States 		MD 193 (Watkins Park Dr.)/Oak Grove Rd.
(38.87737, -76.78108) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2001
Hughesville, MD
Charles
United States 		MD 231/MD 5 SB Ramps
(38.53381, -76.77969) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways 		Freeway Ramps
Multilane (2 Lane) 		2005
Hughesville, MD
Charles
United States 		MD 231/MD 5 NB Ramps
(38.53426, -76.77790) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways 		Freeway Ramps
Multilane (2 Lane) 		2005
Willamsburg, VA
James City
United States 		Saunders Bridge/S Square/River Moor/Poggio Field
(37.25970, -76.77789) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2007 No splitter islands. Uncertain traffic control.
Odessa, ON
Lennox and Addington
Canada 		CR 2/CR 4
(44.26179, -76.77489) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2009
Williamsburg, VA
James City
United States 		Colonial Heritage Blvd./Harrington Commons/Chapel Xing
(37.34606, -76.77094) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2005
Jessup, MD
Howard
United States 		Canine Rd./MD 32 EB Ramps
(39.10101, -76.76953) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Freeway Ramps
Single-Lane 		2001
Catonsville, MD
Baltimore Co.
United States 		Edmundson Avenue/Old Frederick Road
(39.27533, -76.76612) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2010
Reisterstown, MD
Baltimore Co.
United States 		Worthington Ave./Greenspring Ave./Tufton Ave.
(39.47691, -76.76508) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2017
Jessup, MD
Anne Arundel Co.
United States 		National Business Pkwy & Brock Bridge Rd
(39.13994, -76.76440) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2013
Jessup, MD
Anne Arundel
United States 		MD 198 (Laurel Fort Meade Rd.)/MD 32 EB Ramps
(39.08997, -76.75736) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Freeway Ramps
Multilane (2 Lane) 		2002
Jessup, MD
Anne Arundel
United States 		MD 198 (Laurel Fort Meade Rd.)/MD 32 WB Ramps
(39.09178, -76.75688) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Freeway Ramps
Multilane (2 Lane) 		2002
Windsor Mill, MD
Baltimore Co.
United States 		Lord Baltimore Dr./Glen Spring Rd./Kettle Ct.
(39.31750, -76.75152) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1998 Year Completed estimated (1993-2002).
Windsor Mill, MD
Baltimore Co.
United States 		Lord Baltimore Dr./Wildlife Dr.
(39.31993, -76.75019) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1998 Year Completed estimated (1993-2002).
Hanover, MD
Anne Arundel
United States 		Arundel Mills Blvd./MD 295 SB Ramps
(39.15677, -76.74617) 		Roundabout
Removed 		All-Way Yield
None 		2 Approaches
0 Driveways 		Freeway Ramps
Multilane (2 Lane) 		2002
Hanover, MD
Anne Arundel
United States 		Arundel Mills Blvd./MD 295 NB Ramps
(39.15573, -76.74459) 		Roundabout
Removed 		All-Way Yield
None 		3 Approaches
0 Driveways 		Freeway Ramps
Multilane (2 Lane) 		2002
Hanover, MD
Anne Arundel Co.
United States 		Watts Ave & Clark Rd
(39.15096, -76.72645) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways 		Other
Single-Lane 		2008
Elkridge, MD
Howard Co.
United States 		Elkridge Crossing Way/Doctor Patel Dr.
(39.21091, -76.72512) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2007 East leg stubbed for future.
Catonsville, MD
Baltimore
United States 		MD 372/Hilltop Rd./Entrance to UMBC
(39.25733, -76.71964) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1998 Functional Class: Collector
Catonsville, MD
Baltimore Co.
United States 		UMBC Blvd & Research Park Dr
(39.24924, -76.71457) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2015 Elliptical
Catonsville, MD
Baltimore Co.
United States 		Hilltop Cir & UMBC Blvd
(39.25184, -76.71437) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2015
Bowie, MD
Prince George's Co.
United States 		Melford Blvd & Science Dr
(38.96251, -76.71267) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2008
Bowie, MD
Prince George's Co.
United States 		Melford Blvd & Curie Drive
(38.95789, -76.70603) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2008
Hanover, MD
Anne Arundel Co.
United States 		Ridge Rd & Corporate Center Dr
(39.19238, -76.70316) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2004
Baltimore, MD
Baltimore City
United States 		Old Frederick Road/Maple Wood Road
(39.29094, -76.69283) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2013 4th leg not built yet - for future development
Odenton, MD
Anne Arundel
United States 		MD 175/MD 677/Higgins Dr.
(39.07839, -76.68507) 		Roundabout
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2004
Gambrills, MD
Anne Arundel Co.
United States 		2498 Mt Tabor Rd
(38.99855, -76.66414) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2007
Glen Burnie, MD
Anne Arundel
United States 		George Clausse Blvd./(parking access)
(39.14768, -76.64935) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2008 RT lanes on eastbound and northbound approaches. Part of shopping center.
Baltimore, MD
Baltimore City
United States 		Wilkens Ave/Mount St/Ramsey St
(39.28325, -76.64332) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways 		Other
Single-Lane 		2001 Completed prior to 2002
Hershey, PA
Dauphin Co.
United States 		SR 322/Homestead Ln
(40.27526, -76.63332) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2016
Lutherville-Timonium, MD
Baltimore
United States 		MD 139 (Charles St.)/Bellona Ave.
(39.41790, -76.62900) 		Roundabout
Removed 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		1999 Mini-roundabout. Double-lane circulatory roadway across northern half. Previously controlled by two-way stop Functional Class: Arterial
Hershey, PA
Dauphin Co.
United States 		SR 322/Meadow Ln
(40.27467, -76.62551) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2016
Baltimore, MD
Baltimore City
United States 		Canterbury Rd./W 39th St.
(39.33569, -76.62047) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Mini-roundabout 		2013
Lothian, MD
Anne Arundel
United States 		MD 2/MD 408/MD 422
(38.82973, -76.61590) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1995 Completed October 1995. Previously controlled by two-way stop
Baltimore, MD
Baltimore City
United States 		Guilford Ave./E 32nd St.
(39.32703, -76.61345) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Mini-roundabout 		2012
Baltimore, MD
Baltimore City
United States 		Guilford Ave./E 24th St.
(39.31650, -76.61276) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Mini-roundabout 		2012
Baltimore, MD
Baltimore City
United States 		Guilford Ave./22nd St.
(39.31441, -76.61263) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Mini-roundabout 		2012
Towson, MD
Baltimore
United States 		MD 45/MD 146/Joppa Rd./Allegheny Ave.
(39.40185, -76.60230) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		1998 Opened October 1998. Exit striping retrofitted to roundabout after opening. Hotdog/racetrack shape.
Kingston, ON
Frontenac
Canada 		Cataraqui Woods Dr./Woodhaven Dr.
(44.26739, -76.59501) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2013
Friendship, MD
Anne Arundel Co.
United States 		Solomons Island Rd (MD 2) & Friendship Rd (MD 261) & Sansbury Rd
(38.73616, -76.59477) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2008
Kingston, ON
Frontenac
Canada 		Cataraqui Wood Dr./Holden St.
(44.26729, -76.58991) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2013
Campbelltown, PA
Lebanon
United States 		SR 117/Northside Dr.
(40.28476, -76.57345) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Unknown 		2011
Kingston, ON
Frontenac
Canada 		Centennial Dr./Venture Dr.
(44.27265, -76.55935) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2011
Deale, MD
Anne Arundel
United States 		MD 256/MD 258
(38.79327, -76.54586) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways 		Other
Single-Lane 		2006
(unincorporated), MD
Anne Arundel
United States 		Arundel Beach Rd./Leelyn Dr.
(39.07955, -76.54560) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1999

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