Roundabouts Database

6133 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
Town and Country, MO
St. Louis
United States 		MO 141 SB Ramps/Woods Mill Rd.
(38.63523, -90.51449) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways 		Other
Single-Lane 		2002 Previously controlled by one-way stop
Encinitas, CA
San Diego
United States 		Leucadia Blvd/Hymettus Ave
(33.06470, -117.29620) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2004 Previously controlled by two-way stop Functional Class: Collector
Westfield, NJ
Union
United States 		NJ 28/E. Broad St. (Westfield Circle)
(40.64849, -74.35027) 		Rotary
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		Functional Class: Arterial
Seattle, WA
King
United States 		2nd Ave. NE/NE 91st St.
(47.69499, -122.32710) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		2006
Seattle, WA
King
United States 		Linden Ave. N/N. 36th St.
(47.65116, -122.34860) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		2006
Seattle, WA
King
United States 		Woodlawn Ave. N/N. 36th St.
(47.65051, -122.33870) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		2006
Seattle, WA
King
United States 		18th Ave. E./E. Spring St.
(47.61154, -122.30890) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown
Seattle, WA
King
United States 		4th Ave. N/N. Prospect St.
(47.62890, -122.34880) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		2006
Omaha, NE
Douglas
United States 		N Saddle Creek Rd./Country Club Ave./Seward St./50th St./Happy Hollow Rd.
(41.27431, -95.99039) 		Roundabout
Existing 		Unknown
Unknown 		8 Approaches
0 Driveways 		Other
Single-Lane 		2003 Dogbone/peanut shape.
Rosemont, MD
Frederick
United States 		MD 17/MD 180
(39.33768, -77.63950) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2001
Gordonsville, VA
Orange
United States 		James Madison Hwy/N. Main St./Spotswood Trl.
(38.14261, -78.18947) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane
Ridgeland, MS
Madison
United States 		Old Agency Rd/Highland Colony Pkwy
(32.43125, -90.14893) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2004 Planned in association with interchange improvements at I-55/Old Agency Rd. Functional Class: Collector
Seattle, WA
King
United States 		Densmore Ave. N/N 137th St.
(47.72867, -122.33830) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		2006
Boulder, CO
Boulder
United States 		Pearl St./4th St.
(40.01571, -105.29050) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane
Boulder, CO
Boulder
United States 		Pearl St./Mid-Block
(40.01501, -105.29390) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		2 Approaches
0 Driveways 		Other
Single-Lane 		Facilitates U-turns at west end of Pearl Street
Boulder, CO
Boulder
United States 		Pine St./15th St.
(40.02072, -105.27670) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane
Boulder, CO
Boulder
United States 		Pine St./17th St.
(40.02126, -105.27410) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane
Boulder, CO
Boulder
United States 		Evergreen Ave./9th St.
(40.03106, -105.28560) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane
Seattle, WA
King
United States 		21st Ave. E/E. Republican St.
(47.62320, -122.30470) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		2006
Columbia, MO
Boone
United States 		I-70 Business Loop/I-70 WB Ramps/Creasy Springs Rd.
(38.96658, -92.35235) 		Roundabout
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways 		Freeway Ramps
Single-Lane 		2000
Windsor, CO
Weld
United States 		Ptarmigan Bus Pk/near SH 392
(40.48121, -104.98870) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane
Henrietta, NY
Monroe
United States 		Andrews Memorial Dr./Lomb Memorial Dr.
(43.08770, -77.67448) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2003 On campus of Rochester Institute of Technology.
Hyannis, MA
Barnstable
United States 		Iyannough Rd./Barnstable Rd./Falmouth Rd.
(41.66512, -70.28732) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown
Belmar, NJ
Monmouth
United States 		10th Ave./B St.
(40.17772, -74.01782) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane
Belmar, NJ
Monmouth
United States 		10th Ave./D St.
(40.17855, -74.02169) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane
Summit, NJ
Union
United States 		Union Pl./Beechwood Rd.
(40.71691, -74.35757) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways 		Other
Single-Lane
Maplewood, NJ
Essex
United States 		Midland Blvd./Highland Ave.
(40.73043, -74.25748) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane
Maplewood, NJ
Essex
United States 		Midland Blvd./Norfolk Ave.
(40.73111, -74.25972) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane
Olathe, KS
Johnson
United States 		S. Ridgeview Rd./E. Loula St.
(38.88069, -94.79726) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2004 Completed August 2004.
Seattle, WA
King
United States 		22nd Ave. E/E. Thomas St.
(47.62138, -122.30360) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		2006
Greenwood Village, CO
Arapahoe
United States 		S. Monaco St./E. Berry Ave.
(39.61682, -104.91340) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways 		Other
Single-Lane 		1999
Greenwood Village, CO
Arapahoe
United States 		S. Monaco St./E. Dorado Ave.
(39.61319, -104.91350) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		1999
Greenwood Village, CO
Arapahoe
United States 		S. Monaco St./E. Dorado Pl.
(39.61199, -104.91350) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways 		Other
Single-Lane 		1999
Greenwood Village, CO
Arapahoe
United States 		S. Monaco St./E. Ida Ave.
(39.61082, -104.91350) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		1999
Greenwood Village, CO
Arapahoe
United States 		S. Monaco St./E. Powers Ave.
(39.61501, -104.91350) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		1999
Greenwood Village, CO
Arapahoe
United States 		S. Monaco St./E. Prentice Pl.
(39.61977, -104.91350) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways 		Other
Single-Lane 		1999
Colorado Springs, CO
El Paso
United States 		Beech Ave./1st St.
(38.79048, -104.84660) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane
Colorado Springs, CO
El Paso
United States 		Chapel Hills Dr./Royal Pine Dr.
(38.98067, -104.77060) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2002
East Lansing, MI
Ingham
United States 		Wilson Rd./Red Cedar Rd.
(42.72324, -84.48238) 		Other
Removed 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Unknown
Indianapolis, IN
Marion
United States 		Market St./Meridian St. (Monument Circle)
(39.76848, -86.15804) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		Most famous traffic circle in the State of Indiana. Completed 1820. Functional Class: Local
Winchester, VA
Frederick
United States 		Commonwealth Ct./(parking lot)
(39.12518, -78.19009) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2007
Parkville, MO
Platte
United States 		National Dr./Ridge Rd.
(39.21333, -94.70781) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways 		Other
Single-Lane 		Functional Class: Local
Boulder, CO
Boulder
United States 		St. Johns St./New Haven Ct. (Hampton Circle)
(40.04742, -105.24740) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		1997
Fruita, CO
Mesa
United States 		Aspen Ave./Mesa St. (Park Square)
(39.15884, -108.73360) 		Other
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		Completed 1940?
Colorado Springs, CO
El Paso
United States 		Pine Manor Dr./Stoneglen Dr.
(38.96827, -104.76670) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2000
Fort Collins, CO
Larimer
United States 		Mt. Vernon Ct./New Bedford Dr./Ticonderoga Dr.
(40.53008, -105.05420) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		Small almost mini roundabout, not very functional. Has small central island and no splitter islands only haching and road markings. Functional Class: Collector
Somerville, NJ
Somerset
United States 		US 202/US 206/NJ 28
(40.57572, -74.62894) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		This was and probably still is a traffic circle with the 202 freeway passing overhead. The traffic in the circle yielded to southbound 206 traffic entering the circle. 202 & 206 multiplexed to the north.
East Lansing, MI
Ingham
United States 		Bogue St./Wilson Rd.
(42.72326, -84.47186) 		Other
Removed 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Unknown
Fort Collins, CO
Larimer
United States 		Stanton Creek Dr./St. Thomas Dr.
(40.49066, -105.05590) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		Functional Class: Local
Fort Collins, CO
Larimer
United States 		Stanton Creek Dr./Tortola Way
(40.48999, -105.05430) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways 		Other
Single-Lane 		Functional Class: Local

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