Roundabouts Database Index

10699 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
Phoenix, AZ Maricopa United States	South 20th Drive. / (none) (33.37556, -112.10290)	Neighborhood Traffic Circle Existing	Unknown Unknown	2 Approaches 0 Driveways	Other Single-Lane	2003	Neighborhood traffic calming.
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
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
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
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
Scottsdale, AZ Maricopa United States	N. 74th St. / E. Sweetwater Ave. (33.60395, -111.92150)	Neighborhood Traffic Circle Existing	All-Way Yield None	0 Approaches 0 Driveways	Other Unknown	2003	Modified by City in 2005 to improve operation as roundabout.
Seattle, WA King United States	Sunnyside Ave. N / N. 43rd St. (47.65912, -122.33020)	Neighborhood Traffic Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other Unknown	2006
London, ON Middlesex County Canada	Lambton Dr. / Oxford Dr. (43.00616, -81.27515)	Neighborhood Traffic Circle Existing	Unknown Unknown	5 Approaches 0 Driveways	Other Single-Lane		Constructed sometime in the 1970s. Functional Class: Local
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
Willimantic, CT Windham United States	Eastern Rd. / (driveway) (ECSU Campus by clock tower) (41.72001, -72.21691)	Neighborhood Traffic Circle Existing	All-Way Yield None	3 Approaches 0 Driveways	Other Single-Lane	1999	Not properly signed and painted, but lots of potential for demonstrating this intersection concept.
Boulder, CO Boulder United States	Arapahoe Ave. / 4th St. (40.01294, -105.29160)	Neighborhood Traffic Circle Existing	Two-Way Stop None	3 Approaches 0 Driveways	Other Single-Lane
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	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
Littleton, CO Arapahoe United States	Franklin St. / Cherryville Rd. (39.61832, -104.96920)	Neighborhood Traffic Circle Existing	All-Way Yield None	3 Approaches 0 Driveways	Other Single-Lane
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
Littleton, CO Arapahoe United States	Elati St. / Arapahoe Rd. (39.59515, -104.99770)	Neighborhood Traffic Circle Existing	Two-Way Stop None	4 Approaches 0 Driveways	Other Single-Lane		Functional Class: Collector
Littleton, CO Arapahoe United States	Elati St. / Briarwood St. (39.59236, -104.99770)	Neighborhood Traffic Circle Existing	Two-Way Stop None	4 Approaches 0 Driveways	Other Single-Lane		Functional Class: Collector
Scottsdale, AZ Maricopa United States	N. 68th St. / E. Cholla St. (33.58953, -111.93550)	Neighborhood Traffic Circle Existing	All-Way Yield None	0 Approaches 0 Driveways	Other Single-Lane	2003	Completed with traffic calming project.
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
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
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
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
Fort Collins, CO Larimer United States	Tierra Ln. / Saddle Ridge Condominiums (40.57545, -105.13140)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane		Functional Class: Local
Fort Collins, CO Larimer United States	Silverwood Dr. / Centennial Rd. (40.54545, -105.05120)	Neighborhood Traffic Circle Removed	All-Way Yield None	4 Approaches 0 Driveways	Other Single-Lane		Small almost mini-roundabout used for traffic calming measure. People drove through plastic posts, rendering roundabout useless; idea scrapped in less than 6 mo. Functional Class: Collector
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
San Francisco, CA San Francisco United States	Waller St. / Steiner St. (37.77097, -122.43190)	Neighborhood Traffic Circle Existing	All-Way Stop None	4 Approaches 0 Driveways	Other Single-Lane	2003	Preliminary layout for neighborhodd comment Functional Class: Local
San Francisco, CA San Francisco United States	Page St. / Lyon St. (37.77158, -122.44220)	Neighborhood Traffic Circle Existing	All-Way Stop None	4 Approaches 0 Driveways	Other Single-Lane	2003	Preliminary layout for neighborhood comment Functional Class: Local
San Francisco, CA San Francisco United States	Page St. / Scott St. (37.77242, -122.43560)	Neighborhood Traffic Circle Existing	All-Way Stop None	4 Approaches 0 Driveways	Other Single-Lane	2003	Preliminary layout for neighborhood comment Functional Class: Local
Lawrence, KS Douglas United States	W. Harvard Rd. / Grove Dr. / Mulberry Dr. (38.96701, -95.29801)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Unknown	2005	Built as part of Harvard Road traffic calming plan. A temporary traffic circle was in place for some time prior to permanent construction. Previously controlled by two-way stop Functional Class: Collector
Lawrence, KS Douglas United States	W. Harvard Rd. / Goldfield St. / Goldfield Ct. (38.96597, -95.29628)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane	2005	Built as part of Harvard Road Traffic Calming plan. A Temporary traffic circle with all way Yield control was installed prior to permanent construction. Previously controlled by two-way stop Functional Class: Collector
Miami Springs, FL Miami-Dade United States	Pinecrest Dr. / South Dr. (25.81530, -80.28000)	Neighborhood Traffic Circle Existing	Two-Way Stop None	4 Approaches 0 Driveways	Other Single-Lane		Functional Class: Local
Miami Springs, FL Miami-Dade United States	DeSoto Dr. / Labaron Dr. (25.81180, -80.27770)	Neighborhood Traffic Circle Existing	Two-Way Stop None	4 Approaches 0 Driveways	Other Single-Lane		Functional Class: Local
Seattle, WA King United States	Interlake Ave. N / N 39th St. (47.65411, -122.34130)	Neighborhood Traffic Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other Unknown
Westminster, CO Adams United States	Promenade Dr. S. / (TBD) (39.89188, -105.06330)	Neighborhood Traffic Circle Existing	Unknown Unknown	2 Approaches 0 Driveways	Other Single-Lane
Seattle, WA King United States	Ashworth Ave. N / N 38th St. (47.65269, -122.34020)	Neighborhood Traffic Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other Unknown
Bend, OR Deschutes United States	NW Awbrey Rd. / NW Sonora Dr. (44.07240, -121.31750)	Neighborhood Traffic Circle Existing	All-Way Yield None	4 Approaches 0 Driveways	Other Single-Lane		Older design. Fourth leg is stub.
Seattle, WA King United States	Burke Ave. N / N 35th St. (47.64919, -122.33510)	Neighborhood Traffic Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other Unknown
Orinda, CA Contra Costa United States	Hall Dr. / Donald Dr. (37.86411, -122.15310)	Neighborhood Traffic Circle Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other Single-Lane	2002
Lawrence, KS Douglas United States	W. Harvard Rd. / S. Moundridge Dr. (38.96770, -95.30438)	Neighborhood Traffic Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other Unknown
Washington, DC N/A United States	G St. / 3rd St. SW (38.88127, -77.01520)	Neighborhood Traffic Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other Unknown
Washington, DC N/A United States	G St. / 1st St. SW (38.88119, -77.01228)	Neighborhood Traffic Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other Unknown
Washington, DC N/A United States	H St. / Delaware Ave. (38.88028, -77.01262)	Neighborhood Traffic Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other Unknown
Concord, CA Contra Costa United States	Landana Dr. / Mulberry Dr. (37.97886, -121.99430)	Neighborhood Traffic Circle Existing	All-Way Yield None	3 Approaches 0 Driveways	Other Single-Lane
Litchfield Park, AZ Maricopa United States	Wigwam Creek Blvd. / (unknown) (33.51746, -112.32560)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane
Seattle, WA King United States	Corliss Ave. N / N 39th St. (47.65429, -122.33140)	Neighborhood Traffic Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other Unknown
Seattle, WA King United States	Bagley Ave. N / N 39th St. (47.65431, -122.33260)	Neighborhood Traffic Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other Unknown
Seattle, WA King United States	Meridian Ave. N / N 37th St. (47.65196, -122.33390)	Neighborhood Traffic Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other Unknown
Seattle, WA King United States	Corliss Ave. N / N 37th St. (47.65195, -122.33150)	Neighborhood Traffic Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other Unknown
Seattle, WA King United States	Bagley Ave. N / N 42nd St. (47.65796, -122.33260)	Neighborhood Traffic Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other Unknown
Seattle, WA King United States	8th Ave. NE / NE 115th St. (47.71221, -122.32060)	Neighborhood Traffic Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other Unknown
Seattle, WA King United States	8th Ave. NE / NE 117th St. (47.71402, -122.32070)	Neighborhood Traffic Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other Unknown
Seattle, WA King United States	8th Ave. NE / NE 120th St. (47.71584, -122.32070)	Neighborhood Traffic Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other Unknown
Seattle, WA King United States	8th Ave. NE / NE 123rd St. (47.71767, -122.32080)	Neighborhood Traffic Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other Unknown
Portland, OR Multnomah United States	NE 24th Ave. / Brazee St. (45.54050, -122.64110)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane	1989	Completed 10/10/1989.
Portland, OR Multnomah United States	NE 24th Ave. / Thompson St. (45.53896, -122.64110)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane	1989	Completed 10/10/1989.
Portland, OR Multnomah United States	NE 24th Ave. / Tillamook St. (45.53741, -122.64110)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane	1989	Completed 10/10/1989.
Portland, OR Multnomah United States	NE 21st Ave. / Thompson St. (45.53898, -122.64420)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane	1989	Completed 10/10/1989.
Portland, OR Multnomah United States	NE 21st Ave. / Brazee St. (45.54051, -122.64420)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane	1989	Completed 10/10/1989.
Portland, OR Multnomah United States	NE 37th Ave. / Morris St. / Wisteria St. (45.54467, -122.62500)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane	1986	Completed 12/23/1986.
Portland, OR Multnomah United States	NE 37th Ave. / Brazee St. (45.54057, -122.62500)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane	1987	Completed 10/16/1987.
Portland, OR Multnomah United States	NE 37th Ave. / Thompson St. (45.53904, -122.62500)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane	1987	Completed 11/16/1987.
Portland, OR Multnomah United States	SE 32nd Ave. / SE Lincoln St. (45.50825, -122.63270)	Neighborhood Traffic Circle Existing	Unknown None	4 Approaches 0 Driveways	Other Single-Lane	1990	Completed 4/25/1990.
Portland, OR Multnomah United States	SE 30th Ave. / SE Caruthers St. (45.50550, -122.63470)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane	1990	Completed 4/23/1990.
Portland, OR Multnomah United States	SE 31st Ave. / SE Clinton St. (45.50354, -122.63360)	Neighborhood Traffic Circle Existing	Unknown None	4 Approaches 0 Driveways	Other Single-Lane	1990	Completed 6/22/1990.
Portland, OR Multnomah United States	SE 23rd Ave. / SE Clinton St. (45.50339, -122.64260)	Neighborhood Traffic Circle Existing	Unknown None	4 Approaches 0 Driveways	Other Single-Lane	1990	Completed 6/22/1990.
Portland, OR Multnomah United States	SE 37th Ave. / SE Lincoln St. (45.50806, -122.62570)	Neighborhood Traffic Circle Existing	Unknown None	4 Approaches 0 Driveways	Other Single-Lane	1990	Completed 4/25/1990.
Portland, OR Multnomah United States	SE 43rd Ave. / SE Lincoln St. (45.50799, -122.61810)	Neighborhood Traffic Circle Existing	Unknown None	4 Approaches 0 Driveways	Other Single-Lane	1990	Completed 4/23/1990.
Portland, OR Multnomah United States	SE 51st Ave. / SE Lincoln St. (45.50803, -122.61000)	Neighborhood Traffic Circle Existing	Unknown None	4 Approaches 0 Driveways	Other Single-Lane	1990	Completed 4/23/1990.
Portland, OR Multnomah United States	SE 55th Ave. (N) / SE Lincoln St. (45.50806, -122.60650)	Neighborhood Traffic Circle Existing	Unknown None	3 Approaches 0 Driveways	Other Single-Lane	1990	Completed 5/14/1990.
Portland, OR Multnomah United States	SE 55th Ave. (S) / SE Lincoln St. (45.50804, -122.60610)	Neighborhood Traffic Circle Existing	Unknown None	3 Approaches 0 Driveways	Other Single-Lane	1990	Completed 5/14/1990.
Portland, OR Multnomah United States	SE 58th Ave. (S) / SE Lincoln St. (45.50805, -122.60380)	Neighborhood Traffic Circle Existing	Unknown None	4 Approaches 0 Driveways	Other Single-Lane	1990	Completed 5/8/1990.
Sacramento, CA Sacramento United States	26th St. / I St. (38.57565, -121.47140)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane
Sacramento, CA Sacramento United States	24th St. / I St. (38.57636, -121.47410)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane
Sacramento, CA Sacramento United States	24th St. / H St. (38.57746, -121.47360)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane
Sacramento, CA Sacramento United States	26th St. / E St. (38.58003, -121.46950)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane
Madison, WI Dane United States	Kendall Ave. / Grand Ave. (43.07145, -89.43156)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane	1997
Madison, WI Dane United States	New Washburn Way / Dandaneau Trl. / Chautauqua Trl. (43.04669, -89.51501)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane
Madison, WI Dane United States	Glenway St. / Hillcrest Dr. (43.06437, -89.43896)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane
Seattle, WA King United States	34th Ave. SW / SW Elmgrove St. (47.53009, -122.37530)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Unknown
Seattle, WA King United States	16th Ave. E. / E. Spring St. (47.61154, -122.31150)	Neighborhood Traffic Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other Single-Lane