Roundabouts Database

10752 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
Lawrence, KS
Douglas
United States 		24th Pl. / Crossgate Dr.
(38.94130, -95.28875) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2001 Planned in connection with extention of 24th Place Functional Class: Collector
Greeley, CO
Weld
United States 		Promontory Cir. / W. 11th St.
(40.41889, -104.84990) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2004 4 roundabouts in series; 6 in vicinity.
Lawrence, KS
Douglas
United States 		E. 19th St. / Barker Ave.
(38.95003, -95.23283) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2004 Functional Class: Arterial
Boynton Beach, FL
Palm Beach
United States 		Hagen Ranch Rd. / Majestic Palm Dr. / Palm Isles Dr.
(26.53700, -80.16410) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2004
Seattle, WA
King
United States 		42nd Ave. SW / SW Hinds St.
(47.57318, -122.38570) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		2006
Peoria, AZ
Maricopa
United States 		N Sunrise Point / Sunset Point
(33.75302, -112.33080) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2004
Coral Gables, FL
Miami-Dade
United States 		Sunset Rd (SW 72nd St) / LeJeune Rd (SW 42nd Ave) / Cocoplum Rd / Old Cutler Rd
(25.70536, -80.26083) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		Entering traffic yields to circling traffic Functional Class: Collector
Phoenix, AZ
Maricopa
United States 		E. Cotton Center Blvd. / S. 44th Pl.
(33.40279, -111.98790) 		Other
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2000
Phoenix, AZ
Maricopa
United States 		Pointe Pkwy. / S. 48th St.
(33.37162, -111.97410) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2000
Greeley, CO
Weld
United States 		Promontory Cir. / W. 16th St.
(40.41505, -104.85090) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2004 4 roundabouts in series; 6 in vicinity.
Seattle, WA
King
United States 		61st Ave. S / S. Cooper St.
(47.51166, -122.25710) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		2006
Greeley, CO
Weld
United States 		Promontory Cir. / Con Agra Dr.
(40.41138, -104.85200) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2004 4 roundabouts in series; 6 in vicinity.
Boynton Beach, FL
Palm Beach
United States 		Hagen Ranch Rd. / Treviso Ln.
(26.54100, -80.16380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1999
Crozet, VA
Ablemarle
United States 		Old Trail Dr. / (unknown #2)
(38.05907, -78.71125) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2005
Greeley, CO
Weld
United States 		Promontory Cir. / W. 18th St.
(40.40869, -104.85120) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2004 4 roundabouts in series; 6 in vicinity.
Seattle, WA
King
United States 		17th Ave. E. / E. Spring St.
(47.61153, -122.31020) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown
Crozet, VA
Ablemarle
United States 		Old Trail Dr. / Golf Dr.
(38.05766, -78.71016) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2005
Seattle, WA
King
United States 		40th Ave. SW / SW Manning St.
(47.57122, -122.38250) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		2006
Phoenix, AZ
Maricopa
United States 		23rd Ave. / W. Osborn Rd.
(33.48775, -112.10840) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2005 Small roundabout.
Greeley, CO
Weld
United States 		W. 18th St. / unknown
(40.41203, -104.85840) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2004 Part of 6 in vicinity.
Seattle, WA
King
United States 		28th Ave. NE / NE Hiram Pl. / NE 120th St.
(47.71572, -122.29810) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		2006
Seattle, WA
King
United States 		24th Ave. S / S. Dearborn St.
(47.59557, -122.30120) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		2006
Phoenix, AZ
Maricopa
United States 		E. Mountain View Rd. / N. Central Ave.
(33.57510, -112.07360) 		Neighborhood Traffic Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Single-Lane 		2006 Mini-roundabout
Manhattan, KS
Riley
United States 		Kimball Ave. / Grand Mere Pkwy.
(39.20168, -96.63786) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2000 Completed 3/2000. Built as part of new Colbert Hills Golf Course. Fatal crash January 31, 2010. 11861-05. Functional Class: Collector
Lawrence, KS
Douglas
United States 		Sunflower Park Rd / Inverness Dr
(38.93745, -95.29810) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2001 Next to Sunflower Elementary School and Southwest Junior High School. Functional Class: Collector
Chesterfield, MO
St. Louis
United States 		Schoettler Valley Dr. / Highcroft Dr.
(38.64415, -90.55331) 		Other
Removed 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		1999 Temporary roundabout installed in Fall 1999. Removed September 25, 2000 due to negative public opinion. Intersection returned to AWSC. Functional Class: Local
Greeley, CO
Weld
United States 		W. 16th St. / (unknown)
(40.41524, -104.85540) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2004 Part of 6 in vicinity.
Hutchinson, KS
Reno
United States 		23rd Ave. / Severence St.
(38.07940, -97.91340) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2000 Near the state fairgrounds in Hutchinson Previously controlled by two-way stop Functional Class: Collector
Garnett, KS
Harvey
United States 		US 59 / US 169
(38.25832, -95.24861) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2006 None. Previously controlled by one-way stop Functional Class: Arterial
Newton, KS
Harvey
United States 		Broadway St. / I-135 Ramps
(38.05000, -97.32250) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Freeway Ramps
Single-Lane 		2003 Single-point interchange. Near roundabout interchange at I-135/1st Street. Roundabout completed January 2002, ramps from I-135 to the roundabout reopened March 2002. Eliptical structure incorporating both NB and SB ramps. Previously controlled by one-way stop
Lenexa, KS
Johnson
United States 		Prairie Star Pkwy / Montecello Rd.
(38.95251, -94.84398) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2002 Functional Class: Arterial
Paola, KS
Miami
United States 		K-68 / Old Kansas City Rd. / Hedge Ln.
(38.62133, -94.85551) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways 		Other
Single-Lane 		2001 First roundabout on rural, high-speed facility in Kansas. Functional Class: Arterial
Topeka, KS
Shawnee
United States 		46th St. / US 75 Ramps
(39.12934, -95.71959) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Freeway Ramps
Single-Lane 		2002 Roundabout under structure as part of single-point interchange. Elliptical roundabout. Original intersection was at grade. Completed November 2002.
Phoenix, AZ
Maricopa
United States 		N. 43rd St. / E. Stanford Dr.
(33.51700, -111.98930) 		Neighborhood Traffic Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Single-Lane 		2005 Mini-roundabout
Quebec, QC
Capitale-Nationale Region
Canada 		Rue de la Rive-Boisee N / Rue du Baumier
(46.83577, -71.32953) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		No splitter islands.
Seattle, WA
King
United States 		25th Ave. S / S. Dearborn St.
(47.59556, -122.30010) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		2006
Seattle, WA
King
United States 		26th Ave. S / S. Dearborn St.
(47.59555, -122.29880) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		2006
Bend, OR
Deschutes
United States 		NW Mt. Washington Dr. / NW Skyliners Rd.
(44.05369, -121.35490) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2005 Roundabout constructed with addition of south leg.
Bend, OR
Deschutes
United States 		NW Shevlin Park Rd. / Newport Ave. / College Way
(44.06240, -121.33770) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2006
Bend, OR
Deschutes
United States 		NW Mt. Washington Dr. / Shevlin Park Rd.
(44.06780, -121.35530) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2000 South leg on Mt. Washington Drive added as part of new development.
Bend, OR
Deschutes
United States 		NW Mt. Washington Dr. / NW Crossing Dr.
(44.05890, -121.35670) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2000 Both roadways brand new as part of new development.
Bend, OR
Deschutes
United States 		SW Century Dr. / SW Mt. Washington Dr. / SW Reed Market Dr.
(44.03860, -121.33590) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2001 Roundabout sized for ultimate conversion to double lane.
Bend, OR
Deschutes
United States 		SW 14th St. / SW Century Dr. / SW Simpson Ave.
(44.04790, -121.33160) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2002 Driveways located between crosswalk and circulatory roadway on both sides of west leg.
Bend, OR
Deschutes
United States 		NW 14th St. / NW Galveston Ave.
(44.05660, -121.33180) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2002
Bend, OR
Deschutes
United States 		NW 14th St. / Newport Ave.
(44.06230, -121.33170) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2005
Bend, OR
Deschutes
United States 		NW 9th St. / NW Newport Ave. / NW Nashville Ave.
(44.06240, -121.32450) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2005 Completed in August 2005. Intersection previously had five legs. Roundabout changes one leg prior to the roundabout to right in/out and redirects another leg to the roundabout. Located near Grade School on Newport Avenue.
Fort Worth, TX
Tarrant
United States 		Weatherford Traffic Circle (US 377 / TX 183 / Camp Bowie Blvd.)
(32.71704, -97.44314) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown
Fort Worth, TX
Tarrant
United States 		Bluebonnet Circle (W. Biddson St. / Park Ridge Blvd. / S. University Dr.)
(32.69902, -97.36044) 		Other
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways 		Other
Multilane (2 Lane)
Portland, OR
Multnomah
United States 		SW Terwilliger Blvd. / SW Palater Rd.
(45.45290, -122.67660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2002 Roundabout replaces existing Y-intersection, adds fourth leg to serve college law school. Includes driveway into roundabout serving two homes. First roundabout under City of Portland jurisdiction.
Anchorage, AK
Anchorage
United States 		Dowling Rd. / New Seward Hwy SB Ramps
(61.16636, -149.85780) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Freeway Ramps
Multilane (2 Lane) 		2004 Previously controlled by one-way stop
Anchorage, AK
Anchorage
United States 		Dowling Rd. / New Seward Hwy NB Ramps
(61.16637, -149.85520) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Freeway Ramps
Multilane (2 Lane) 		2004 Spiral striping.
Culloden, GA
Monroe
United States 		SR 7-US 341 / SR 74
(32.87954, -84.09019) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2008 Functional Class: Rural
Bayfield, CO
La Plata
United States 		CR 501 / Bayfield Center Drive
(37.23389, -107.60210) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2001 Bayfield Center Drive is a new roadway. Completed Fall 2001. Functional Class: Arterial
Astoria, OR
Clatsop
United States 		US 101 / Hwy 202 (Nehalem Highway)
(46.18290, -123.86070) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2002 Opened September 2002. First multilane roundabout on Oregon state highway system.
Claremont, CA
Los Angeles
United States 		Indian Hill Blvd. / Bonita St.
(34.09662, -117.71930) 		Roundabout
Removed 		All-Way Yield
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		2000 Temporary roundabout installed in August 1999, removed in April 2000. Strong public negative opinion cited as reason for removal. (Westernite, July-August 2000, pp. 2-3)
Monroe, WA
Snohomish
United States 		SR 522 EB Ramps / 164th St. SE / Tester Rd.
(47.84863, -122.00580) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2001 Completed August 2001. This project won the Washington State APWA 2001 Project of the Award and the ASCE Seattle Section 2001 Outstanding Project Award. The Project is documented in the Compendium of Papers for 2000 ITE District 6 Annual Meeting, San Diego, CA. Reconfiguration of two intersections into a roundabout. Previously controlled by two-way stop
Buffalo, NY
Erie
United States 		Gates Circle (Delaware Ave. / Lafayette Ave.)
(42.92054, -78.86776) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways 		Other
Unknown 		2002 Modified in 2002 to incorporate roundabout principles.
Federal Way, WA
King
United States 		Weyerhaeuser Way S / 33rd Pl S / 32nd Dr. S
(47.29863, -122.29280) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2000 Opened April 2000. Previously controlled by one-way stop Functional Class: Arterial
Orange, CA
Orange
United States 		Chapman Ave. / Glassell St.
(33.78788, -117.85310) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		Old school traffic circle, pedestrian park in the middle, cars park along the sides.
Olathe, KS
Johnson
United States 		Sheridan Rd. / Rogers Rd.
(38.87200, -94.79430) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2000
Olathe, KS
Johnson
United States 		Sheridan Rd. / Ridgeview Rd. / Dennis Ave.
(38.87270, -94.79730) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2001 Completed April 2001.
Olathe, KS
Johnson
United States 		Sheridan Rd. / Clairborne Rd.
(38.87020, -94.79250) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2001
Parkville, MO
Platte
United States 		MO 45 (Tom Watson Pkwy.) / National Dr.
(39.21016, -94.70027) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2000 Functional Class: Arterial
Park City, UT
Summit
United States 		Rte 224 (Deer Valley Drive) / Heber Avenue / Marsac Avenue
(40.64572, -111.49500) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2000 See: www.Roundaboutsusa.com Information as reported in Salt Lake Tribune article: http://www.sltrib.com/2000/Sep/09142000/utah/22072.htm Previously controlled by two-way stop Functional Class: Arterial
Maplewood, MN
Ramsey
United States 		Kennard St. / Legacy Pkwy.
(45.03317, -93.03062) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2004 Site has RT pavement arrows at entrance line.
Phoenix, AZ
Maricopa
United States 		Aviano Way / (unknown)
(33.68941, -111.99350) 		Rotary
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Single-Lane 		Mini-roundabout. Completed 2005.
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
Lewisville, NC
Forsyth
United States 		Concord Church Rd. / US 421 SB Ramp / Williams Rd.
(36.08978, -80.43072) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Freeway Ramps
Single-Lane 		2000 Solved capacity problem. Previously controlled by one-way stop
Clemmons, NC
Forsyth
United States 		Fraternity Church Rd. / Hope Church Rd.
(36.02653, -80.34301) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		1999 Existing three-legged intersection converted to a four-legged intersection by adding new Clemmons Middle School driveway at the roundabout. Previously controlled by one-way stop Functional Class: Local
(unincorporated), CO
Douglas
United States 		Ridgegate Pkwy. / Ridgegate Cir. / Commons St.
(39.53187, -104.88300) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2006 Part of transit-oriented development near future light-rail station
(unincorporated), CO
Douglas
United States 		Ridgegate Pkwy. / Ridgegate Cir. / Park Meadows Blvd.
(39.52945, -104.87450) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2006 Part of transit-oriented development near future light-rail station
Orem, UT
Utah
United States 		2000 South / Sandhill Rd.
(40.26074, -111.70420) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2006
St. George, UT
Washington
United States 		Tabernacle Rd. / Main St.
(37.10812, -113.58350) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2001
St. George, UT
Washington
United States 		E. Brigham Rd. / I-15 NB Ramps
(37.05939, -113.58350) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Freeway Ramps
Single-Lane 		2006 Raindrop-shaped interchange terminal.
Park City, UT
Summit
United States 		Powderwood Dr. / Factory Outlet Parking
(40.72733, -111.55255) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2000 Pedestrian access to central island.
Park City, UT
Summit
United States 		Kilby Rd. / Factory Outlet Parking
(40.73040, -111.55040) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2000
Orem, UT
Utah
United States 		S 800 W / College Dr. / Sandhill Rd. (UVSC South Entrance)
(40.27592, -111.71290) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		1996
Nashville, TN
Davidson
United States 		Demonbreun St. / 16th Ave. / Division St. / Music Square E.
(36.15210, -86.79163) 		Other
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown
Seattle, WA
King
United States 		29th Ave. S / S. Judkins St.
(47.59217, -122.29550) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		2006
Seattle, WA
King
United States 		31st Ave. E / E. Denny St.
(47.62016, -122.29230) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Unknown 		2006
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
Urbana, MD
Frederick
United States 		MD 80 / Sugarloaf Pkwy. / Bennett Creek Blvd.
(39.32467, -77.34974) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2000 Rural
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
Scaggsville, MD
Howard
United States 		MD 216 / US 29 SB Ramps
(39.14562, -76.90418) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Freeway Ramps
Multilane (2 Lane) 		2001 Series of 4 roundabouts.
Scaggsville, MD
Howard
United States 		MD 216 / US 29 NB Ramps / Ice Crystal Dr.
(39.14476, -76.89799) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Freeway Ramps
Multilane (2 Lane) 		2001 Series of 4 roundabouts.
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
Juneau, AK
Juneau
United States 		Douglas Hwy / North Douglas Hwy
(58.29718, -134.43280) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2005 Previously controlled by one-way stop Functional Class: Arterial
Portland, OR
Multnomah
United States 		NE Mt. Hood Ave. / Frontage Rd. / PDX Airport Economy Blue Lot / PDX Airport Economy Red Lot
(45.57770, -122.55950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2000
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