Roundabouts Database

29411 Results

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City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType 		Year Completed Comments
Phoenix, AZ
Maricopa Co.
United States 		E. Mountain View Rd. / N. Central Ave.
(33.57510, -112.07360) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
16.9162 		Other (At-Grade)
Single-Lane 		2006 Mini-roundabout ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		N. 43rd St. / E. Stanford Dr.
(33.51700, -111.98930) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
46.7997 		Other (At-Grade)
Single-Lane 		2005 Mini-roundabout ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		25th Ave. S / S Dearborn St.
(47.59556, -122.30010) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		0 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2006
Seattle, WA
King Co.
United States 		26th Ave. S / S. Dearborn St.
(47.59555, -122.29880) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
48.3244 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		26th Ave. S / S. Judkins St.
(47.59209, -122.29900) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
20.9420 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		24th Ave. S / S. Norman St.
(47.59301, -122.30120) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
41.0778 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		South 20th Drive. / (none)
(33.37556, -112.10290) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
16.9552 		Other (At-Grade)
Single-Lane 		2003 Neighborhood traffic calming. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		29th Ave. S / S. Judkins St.
(47.59217, -122.29550) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
12.8873 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		31st Ave. E / E. Denny St.
(47.62016, -122.29230) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
64.4023 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Densmore Ave. N / N 137th St.
(47.72867, -122.33830) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
16.8705 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		2nd Ave. NE / NE 91st St.
(47.69499, -122.32710) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
8.0388 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Linden Ave. N / N. 36th St.
(47.65116, -122.34860) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
35.4002 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Woodlawn Ave. N / N. 36th St.
(47.65051, -122.33870) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
12.8730 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		18th Ave. E. / E. Spring St.
(47.61154, -122.30890) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
8.0516 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		4th Ave. N / N. Prospect St.
(47.62890, -122.34880) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
10.4636 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		N. 74th St. / E. Sweetwater Ave.
(33.60395, -111.92155) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Unknown 		2003 Modified by City in 2005 to improve operation as roundabout. 21442
Seattle, WA
King Co.
United States 		Sunnyside Ave. N / N 43rd St.
(47.65912, -122.33020) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2006
London, ON
Middlesex County
Canada 		Lambton Dr. / Oxford Dr.
(43.00616, -81.27515) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
38.4291 		Other (At-Grade)
Single-Lane 		Constructed sometime in the 1970s. Functional Class: Local ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		21st Ave. E / E. Republican St.
(47.62320, -122.30470) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
5.6349 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Willimantic, CT
Windham Co.
United States 		Eastern Rd. / (driveway) (ECSU Campus by clock tower)
(41.72001, -72.21691) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.0693 		Other (At-Grade)
Single-Lane 		1999 Not properly signed and painted, but lots of potential for demonstrating this intersection concept. ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States 		Arapahoe Ave. / 4th St.
(40.01294, -105.29160) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Boulder, CO
Boulder Co.
United States 		Arapahoe Ave. / 5th St.
(40.01295, -105.28920) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Boulder, CO
Boulder Co.
United States 		Balsam Ave. / 14th St.
(40.02675, -105.27840) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.4619 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States 		Balsam Ave. / 15th St.
(40.02675, -105.27660) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
8.2310 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States 		Evergreen Ave. / 9th St.
(40.03106, -105.28560) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
16.4609 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States 		Maxwell Ave. / 6th St.
(40.02176, -105.28860) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
12.8046 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States 		Pearl St. / 4th St.
(40.01571, -105.29050) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
20.1234 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States 		Pearl St. / Mid-Block
(40.01501, -105.29390) 		Traffic Calming Circle
Existing 		Unknown
None 		2 Approaches
0 Driveways
16.4647 		Other (At-Grade)
Single-Lane 		Facilitates U-turns at west end of Pearl Street ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States 		Pine St. / 15th St.
(40.02072, -105.27670) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
16.4634 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States 		Pine St. / 17th St.
(40.02126, -105.27410) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
10.9755 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Littleton, CO
Arapahoe Co.
United States 		Franklin St. / Cherryville Rd.
(39.61832, -104.96920) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
8.2800 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		S. Monaco St. / E. Berry Ave.
(39.61682, -104.91340) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
11.9603 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		S. Monaco St. / E. Dorado Ave.
(39.61319, -104.91350) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
9.2007 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		S. Monaco St. / E. Dorado Pl.
(39.61199, -104.91350) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
11.0410 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		S. Monaco St. / E. Ida Ave.
(39.61082, -104.91350) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
14.7216 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		S. Monaco St. / E. Powers Ave.
(39.61501, -104.91350) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
9.2005 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		S. Monaco St. / E. Prentice Pl.
(39.61977, -104.91350) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
14.7197 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Littleton, CO
Arapahoe Co.
United States 		Elati St. / Arapahoe Rd.
(39.59515, -104.99770) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
11.0437 		Other (At-Grade)
Single-Lane 		Functional Class: Collector ICD estimated from Google Maps linework.
Littleton, CO
Arapahoe Co.
United States 		Elati St. / Briarwood St.
(39.59236, -104.99770) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
5.5221 		Other (At-Grade)
Single-Lane 		Functional Class: Collector ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		N 68th St. / E Cholla St.
(33.58949, -111.93552) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2003 Completed with traffic calming project.
Seattle, WA
King Co.
United States 		22nd Ave. E / E Thomas St.
(47.62138, -122.30360) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2006
Maplewood, NJ
Essex Co.
United States 		Midland Blvd. / Highland Ave.
(40.73043, -74.25748) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
83.2644 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Maplewood, NJ
Essex Co.
United States 		Midland Blvd. / Norfolk Ave.
(40.73111, -74.25972) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.2907 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Belmar, NJ
Monmouth Co.
United States 		10th Ave. / B St.
(40.17772, -74.01782) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Belmar, NJ
Monmouth Co.
United States 		10th Ave. / D St.
(40.17855, -74.02169) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Fort Collins, CO
Larimer Co.
United States 		Stanton Creek Dr. / St. Thomas Dr.
(40.49066, -105.05590) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
24.5241 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		Stanton Creek Dr. / Tortola Way
(40.48999, -105.05430) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
25.4327 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		Tierra Ln. / Saddle Ridge Condominiums
(40.57545, -105.13140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
28.1217 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		Silverwood Dr. / Centennial Rd.
(40.54545, -105.05120) 		Traffic Calming Circle
Removed 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7646 		Other (At-Grade)
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 ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		Mt. Vernon Ct. / New Bedford Dr. / Ticonderoga Dr.
(40.53008, -105.05420) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.4175 		Other (At-Grade)
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 ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Waller St. / Steiner St.
(37.77097, -122.43190) 		Traffic Calming Circle
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
66.0853 		Other (At-Grade)
Single-Lane 		2003 Preliminary layout for neighborhodd comment Functional Class: Local ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		W. Harvard Rd. / Grove Dr. / Mulberry Dr.
(38.96701, -95.29801) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
15.7862 		Other (At-Grade)
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 ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		W. Harvard Rd. / Goldfield St. / Goldfield Ct.
(38.96597, -95.29628) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.7150 		Other (At-Grade)
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 ICD estimated from Google Maps linework.
Miami Springs, FL
Miami-Dade Co.
United States 		Pinecrest Dr. / South Dr.
(25.81530, -80.28000) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
43.0055 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Miami Springs, FL
Miami-Dade Co.
United States 		DeSoto Dr. / Labaron Dr.
(25.81180, -80.27770) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
36.5558 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Interlake Ave. N / N 39th St.
(47.65411, -122.34130) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
14.4811 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Westminster, CO
Adams Co.
United States 		Promenade Dr. S. / (TBD)
(39.89188, -105.06330) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
20.1598 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Ashworth Ave. N / N 38th St.
(47.65269, -122.34020) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
160.1009 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		NW Awbrey Rd. / NW Sonora Dr.
(44.07240, -121.31750) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.0262 		Other (At-Grade)
Single-Lane 		Older design. Fourth leg is stub. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Burke Ave. N / N 35th St.
(47.64919, -122.33510) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
9.6550 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Orinda, CA
Contra Costa Co.
United States 		Hall Dr. / Donald Dr.
(37.86411, -122.15310) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
17.9148 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		W. Harvard Rd. / S. Moundridge Dr.
(38.96770, -95.30438) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
13.0003 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		G St. / 3rd St. SW
(38.88127, -77.01520) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
26.9620 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		G St. / 1st St. SW
(38.88119, -77.01228) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
31.6106 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		H St. / Delaware Ave.
(38.88028, -77.01262) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
31.6110 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Concord, CA
Contra Costa Co.
United States 		Landana Dr. / Mulberry Dr.
(37.97886, -121.99430) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
16.0041 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Litchfield Park, AZ
Maricopa Co.
United States 		Wigwam Creek Blvd. / (unknown)
(33.51746, -112.32560) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
17.9232 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Corliss Ave. N / N 39th St.
(47.65429, -122.33140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
12.8720 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Bagley Ave. N / N 39th St.
(47.65431, -122.33260) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
12.8720 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Meridian Ave. N / N 37th St.
(47.65196, -122.33386) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Seattle, WA
King Co.
United States 		Corliss Ave. N / N 37th St.
(47.65195, -122.33150) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
16.8953 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Bagley Ave. N / N 42nd St.
(47.65796, -122.33260) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		8th Ave. NE / NE 115th St.
(47.71221, -122.32060) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		8th Ave. NE / NE 117th St.
(47.71402, -122.32070) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		8th Ave. NE / NE 120th St.
(47.71584, -122.32070) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		8th Ave. NE / NE 123rd St.
(47.71767, -122.32080) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
29.7304 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 24th Ave. / Brazee St.
(45.54050, -122.64110) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989.
Portland, OR
Multnomah Co.
United States 		NE 24th Ave. / Thompson St.
(45.53896, -122.64110) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
56.8845 		Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 24th Ave. / Tillamook St.
(45.53741, -122.64110) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
56.0495 		Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 21st Ave. / Thompson St.
(45.53898, -122.64420) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.2980 		Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 21st Ave. / Brazee St.
(45.54051, -122.64420) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
86.9974 		Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 37th Ave. / Morris St. / Wisteria St.
(45.54467, -122.62500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.7290 		Other (At-Grade)
Single-Lane 		1986 Completed 12/23/1986. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 37th Ave. / Brazee St.
(45.54057, -122.62500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
119.6213 		Other (At-Grade)
Single-Lane 		1987 Completed 10/16/1987. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 37th Ave. / Thompson St.
(45.53904, -122.62500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
94.5285 		Other (At-Grade)
Single-Lane 		1987 Completed 11/16/1987. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 32nd Ave. / SE Lincoln St.
(45.50825, -122.63270) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
12.5549 		Other (At-Grade)
Single-Lane 		1990 Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 30th Ave. / SE Caruthers St.
(45.50550, -122.63470) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
78.6812 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 31st Ave. / SE Clinton St.
(45.50354, -122.63360) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
14.2301 		Other (At-Grade)
Single-Lane 		1990 Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 23rd Ave. / SE Clinton St.
(45.50339, -122.64260) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
31.8085 		Other (At-Grade)
Single-Lane 		1990 Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 37th Ave. / SE Lincoln St.
(45.50806, -122.62570) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
15.0659 		Other (At-Grade)
Single-Lane 		1990 Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 43rd Ave. / SE Lincoln St.
(45.50799, -122.61810) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
22.5989 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 51st Ave. / SE Lincoln St.
(45.50803, -122.61000) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
15.0659 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 55th Ave. (N) / SE Lincoln St.
(45.50806, -122.60650) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		1990 Completed 5/14/1990.
Portland, OR
Multnomah Co.
United States 		SE 55th Ave. (S) / SE Lincoln St.
(45.50804, -122.60610) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		1990 Completed 5/14/1990.
Portland, OR
Multnomah Co.
United States 		SE 58th Ave. (S) / SE Lincoln St.
(45.50805, -122.60380) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
104.6245 		Other (At-Grade)
Single-Lane 		1990 Completed 5/8/1990. ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		26th St. / I St.
(38.57565, -121.47140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
81.2327 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		24th St. / I St.
(38.57636, -121.47410) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
55.0883 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		24th St. / H St.
(38.57746, -121.47360) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
70.0264 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		26th St. / E St.
(38.58003, -121.46950) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
15.8721 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Madison, WI
Dane Co.
United States 		Kendall Ave. / Grand Ave.
(43.07145, -89.43156) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		1997
Madison, WI
Dane Co.
United States 		New Washburn Way / Dandaneau Trl. / Chautauqua Trl.
(43.04669, -89.51501) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
13.9650 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.