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
Boulder, CO
Boulder
United States 		Arapahoe Ave./5th St.
(40.01295, -105.28920) 		Neighborhood Traffic Circle
Existing 		Two-Way Stop
None 		3 Approaches
0 Driveways 		Other
Single-Lane
Boulder, CO
Boulder
United States 		Balsam Ave./14th St.
(40.02675, -105.27840) 		Neighborhood Traffic Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane
Boulder, CO
Boulder
United States 		Balsam Ave./15th St.
(40.02675, -105.27660) 		Neighborhood Traffic Circle
Existing 		All-Way Yield
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
Boulder, CO
Boulder
United States 		Kings Ridge Blvd./Edison Ave.
(40.03098, -105.23950) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane
Boulder, CO
Boulder
United States 		Kings Ridge Blvd./Franklin Dr.
(40.03237, -105.23960) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane
Boulder, CO
Boulder
United States 		Maxwell Ave./6th St.
(40.02176, -105.28860) 		Neighborhood Traffic Circle
Existing 		Two-Way Stop
None 		4 Approaches
0 Driveways 		Other
Single-Lane
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
Encinitas, CA
San Diego
United States 		Leucadia Blvd/Hermes Ave
(33.06482, -117.30010) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2004 Previously controlled by two-way stop Functional Class: Collector
Normal, IL
McLean
United States 		Beaufort St./North St.
(40.50926, -88.98420) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2009 Both a traffic solution and centerpiece for significant downtown redevelopment. Completed Fall 2004. Previously controlled by two-way stop Functional Class: Local
Amelia Island, FL
Nassau
United States 		SR A1A/Beachwood Rd.
(30.55541, -81.44933) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2005 Functional Class: Arterial
Dumont / Cresskill, NJ
Bergen
United States 		Madison Ave./Knickerbocker Rd. (Monument)
(40.94127, -73.97681) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		Completed May 30, 1924. Nearest traffic count was conducted on Knickerbocker Road (County Route 505) about 0.5 km from the intersection. http://tcs.state.nj.us/tmsweb/Report/h2d5c913_99_hrvolume.pdf Functional Class: Local
Davis, CA
Yolo
United States 		5th St./Cantrill Dr.
(38.55160, -121.72010) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		1998 Police station on SW corner. Date estimated.
Woodland, CA
Yolo
United States 		Gum Ave./Bourn Dr.
(38.66820, -121.74710) 		Roundabout
Removed 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2008 Built as temporary in 2002. Temporary removed in 2008 and converted to AWSC. Previously controlled by two-way stop Functional Class: Collector
Davis, CA
Yolo
United States 		Moore Blvd./Rockwell Dr.
(38.56830, -121.72630) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		1999 Date estimated. Functional Class: Local
Davis, CA
Yolo
United States 		Moore Blvd./Wright Blvd.
(38.56490, -121.71860) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		1999 Date estimated. Functional Class: Local
Anchorage, AK
Anchorage
United States 		Southport Dr./Maritime Loop/Washington Ave.
(61.12706, -149.92590) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2001 The first winter resulted in several accidents, including the loss of a number of light poles around the circle. In response, minor modifications were made to the roundabout in 2002.
Fort Wayne, IN
Allen
United States 		Adams Center Rd./Marion Center Rd./Maples Rd./Wayne Terr.
(41.00440, -85.05704) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways 		Other
Single-Lane 		1995 Year Completed estimated (before 1998). Functional Class: Collector
Bloomington, IN
Monroe
United States 		High St./Winslow Rd./Rogers Rd.
(39.13631, -86.50819) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		1999 $497,000 construction cost.
Mount Pleasant, SC
Charleston
United States 		Rifle Range Rd./Bowman Rd. (Veterans Circle)
(32.80469, -79.84284) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		1998 Year Completed estimated (1994-2002)
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
Guelph, ON
Wellington County
Canada 		Summerfield Dr./Colonial Dr.
(43.51809, -80.18253) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2001 Located in Pine Ridge East residenital subdivision Functional Class: Collector
Moses Lake, WA
Grant
United States 		Yonezawa Blvd./Clover Dr./Kittleson Rd.
(47.10387, -119.25730) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2001 Part of series of 3 roundabouts. Functional Class: Collector
Moses Lake, WA
Grant
United States 		Yonezawa Blvd./Leanne Ave.
(47.10454, -119.27060) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2001 Completed fall 2001. Part of series of 3 roundabouts. Functional Class: Collector
Bend, OR
Deschutes
United States 		Mt. Washington Dr./Simpson Ave.
(44.04736, -121.34400) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2013
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
Bel Air, MD
Harford
United States 		Tollgate Rd./Wheel Rd.
(39.48999, -76.32914) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1999 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22
Fairbanks, AK
Fairbanks North Star
United States 		Thompson Dr/Tanana Loop Dr
(64.85564, -147.84200) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2004 The site is on the University of Alaska, Fairbanks, school campus. The project constructed a new entrance onto the campus intersecting by means of a roundabout with an existing three leg stop controlled intersection. Previously controlled by one-way stop Functional Class: Collector
Murray, KY
Calloway
United States 		Gilbert Groves Dr./Murray State University parking lot
(36.62003, -88.31861) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2003
Bainbridge Island, WA
Kitsap
United States 		High School Rd./Madison Ave.
(47.63579, -122.52100) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2000 Greatly reduced congestion. Initial public opposition has turned to full support. Project located next to 3 schools. Separated sidewalks, timed yellow flashing lights during school crossing. Crossing guards. Near Library & Shopping Center. Opened October 2000. Functional Class: Arterial
Bel Air, MD
Harford
United States 		MD 7/Holly Oaks Drive
(39.48848, -76.21669) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		1999 Opened September 1999.
North Harford, MD
Harford
United States 		MD 165/MD 24
(39.67220, -76.40930) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2000 Rural Previously controlled by two-way stop
Scottsdale, AZ
Maricopa
United States 		N. 104th St./E. Cholla St.
(33.58976, -111.85660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2005
Rising Sun, MD
Cecil
United States 		MD 273 (Rising Sun Rd.)/MD 276 (Jacob Tome Memorial Hwy.)
(39.69595, -76.08018) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2003
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
Tooele, UT
Tooele
United States 		W 2000 N/N 70 W
(40.56555, -112.30310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2000
North Haven, NY
Suffolk
United States 		Tyndall Road/Rte. 114 (Ferry Rd.)
(41.01303, -72.31309) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2001 Replaced a dangerous 2-way stop. Previously controlled by two-way stop
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.
Millington, MD
Kent
United States 		MD 291/US 301 SB Ramps
(39.26463, -75.86641) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Freeway Ramps
Single-Lane 		1999 Opened August 1999.
Millington, MD
Kent
United States 		MD 291/US 301 NB Ramps
(39.26386, -75.86260) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Freeway Ramps
Single-Lane 		1999 Opened August 1999.
Scottsdale, AZ
Maricopa
United States 		N. 70th Pl./E. Chaparral Rd.
(33.50954, -111.92900) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Single-Lane 		2000
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
Temple Hills, MD
Prince Georges
United States 		MD 637 (Naylor Rd.)/Good Hope Ave.
(38.84922, -76.95655) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2001
Temple Hills, MD
Prince Georges
United States 		MD 637 (Naylor Rd.)/Oxon Run Dr.
(38.84986, -76.95789) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2001
Castle Marina, MD
Queen Annes
United States 		MD 18/Castle Marina Rd.
(38.97871, -76.28938) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1999 Previously controlled by two-way stop
Kennewick, WA
Benton
United States 		Columbia Park Drive #1
(46.22221, -119.15110) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2001 Completed February 2001. Functional Class: Local
Kennewick, WA
Benton
United States 		Columbia Park Drive #2
(46.22223, -119.14630) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2001 Completed February 2001 Functional Class: Local

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