25509 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
Seattle, WA
King Co.
United States
17th Ave. E. / E. Marion St.
(47.61036, -122.31020)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
6.4414
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Baltimore, MD
Baltimore City Co.
United States
Guilford Ave. / 22nd St.
(39.31441, -76.61263)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
6.4682
Other (At-Grade)
Single-lane w/ Traversable Central Island
2012 ICD estimated from Google Maps linework.
Spring Branch East, TX
Harris Co.
United States
Hillendahl Blvd. / Westwood Dr.
(29.79893, -95.49322)
Roundabout
Removed
All-Way Yield
None
3 Approaches
0 Driveways
7.0101
Other (At-Grade)
Single-lane w/ Traversable Central Island
2010 Built as a mini roundabout in 1998 as part of a larger neighborhood street reconstruction project. It had a mountable center island 6 ft. in diameter and 3" high made from recycled rubber; long gone. Conversion to TWSC estimated from aerial photos.
Seattle, WA
King Co.
United States
40th Ave. SW / SW Manning St.
(47.57122, -122.38250)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
7.2520
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Kew, VIC

Australia
Barry St. / Molesworth St.
(-37.80108, 145.02723)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
7.5495
Other (At-Grade)
Single-Lane
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
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.
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.
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.
Fairbanks, AK
Fairbanks North Star Borough
United States
Danby St. / Wembley Ave.
(64.85329, -147.75097)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
8.6278
Other (At-Grade)
Multilane (2 Lane, unspecified)
2019 http://dot.alaska.gov/nreg/danby-wembley/. Designed for OSOW vehicles to make movements between west and south legs, including reverse movements through right-turn bypass lanes. ICD estimated from Google Maps linework.
Lansing, MI
Ingham Co.
United States
Beal Ave. / Sparrow Ave.
(42.71602, -84.56174)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
8.7750
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
16th Ave. E. / E. Spring St.
(47.61154, -122.31150)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
8.8568
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Elmira, NY
Chemung Co.
United States
Maple Ave. / Caldwell Ave.
(42.08399, -76.79589)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
8.8639
Other (At-Grade)
Single-lane w/ Traversable Central Island
2012 Year completed estimated (2011-2013). ICD estimated from Google Maps linework.
West Lafayette, IN
Tippecanoe Co.
United States
Klondike Rd. / Lindberg Rd.
(40.44564, -86.96186)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
9.0891
Other (At-Grade)
Single-Lane
2019 https://www.wlfi.com/content/video/511776742.html ICD estimated from Google Maps linework.
Riviera, CA
Santa Barbara Co.
United States
Mountain Dr. / Mission Ridge Rd.
(34.44102, -119.71150)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
9.1440
Other (At-Grade)
Single-lane w/ Traversable Central Island
2007 Central island is painted only, similar to UK practice. Two approaching streets are only separated by a retaining wall. Year Completed estimated (2006-2007).
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. 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.
Littleton, CO
Arapahoe Co.
United States
S Elati St. / W Davies Way
(39.58691, -104.99775)
Traffic Calming Circle
Existing
Two-Way Stop
Unknown
4 Approaches
0 Driveways
9.2042
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Baltimore, MD
Baltimore City Co.
United States
Guilford Ave. / E 24th St.
(39.31650, -76.61276)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
9.2400
Other (At-Grade)
Single-lane w/ Traversable Central Island
2012 ICD estimated from Google Maps linework.
Palo Alto, CA
Santa Clara Co.
United States
Lytton Ave. / Fulton St.
(37.45214, -122.15750)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
9.4813
Other (At-Grade)
Single-Lane
Functional Class: Local ICD estimated from Google Maps linework.
Gothenburg, Vastra Gotaland County
Gothenburg
Sweden
Fruktgatan / Rotfruktsgatan
(57.72460, 12.00138)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
9.5664
Other (At-Grade)
Single-lane w/ Traversable Central Island
ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
Woodlawn Ave. N / Wallingfor Ave. N
(47.69778, -122.33650)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
9.6460
Other (At-Grade)
Unknown
ICD estimated from Google Maps linework.
Naples, FL
Collier Co.
United States
7th St. N. / 3rd Ave. N.
(26.15530, -81.80524)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
9.6483
Other (At-Grade)
Single-Lane
1998 Installed for traffic calming. Detailed traffic volume, speed data available. 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.
Seattle, WA
King Co.
United States
16th Ave. E. / E. Marion St.
(47.61037, -122.31150)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
9.6621
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
42nd Ave. SW / SW Hinds St.
(47.57318, -122.38570)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
9.6690
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Long Beach, CA
Los Angeles Co.
United States
W 9th St. / Daisy Ave.
(33.77776, -118.19939)
Traffic Calming Circle
Existing
All-Way Stop
None
4 Approaches
0 Driveways
9.9273
Other (At-Grade)
Single-Lane
2018 ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
NW 27th Ave. / NW Raleigh St.
(45.53395, -122.70680)
Traffic Calming Circle
Existing
Unknown
None
4 Approaches
0 Driveways
10.0393
Other (At-Grade)
Single-Lane
1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
Montbonnot-Saint-Martin, Auvergne-Rhone-Alpes
Isère
France
Chemin des Arriots / Impasse des Arriots
(45.22540, 5.79690)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
10.0943
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Grand Falls-Windsor, NL
Newfoundland and Labrador
Canada
Grenfell Heights / Scott Ave. / Hardy Ave.
(48.95062, -55.61918)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
10.1962
Other (At-Grade)
Single-Lane
2016 ICD estimated from Google Maps linework.
Eskilstuna, Sodermanland County
Eskilstuna
Sweden
Järnvägsplan / Drottninggatan
(59.36970, 16.50657)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
10.3446
Other (At-Grade)
Single-lane w/ Traversable Central Island
ICD estimated from Google Maps linework.
Anchorage, AK
Anchorage
United States
W Dimond Blvd. / Sand Lake Rd.
(61.13761, -149.98206)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
10.3772
Other (At-Grade)
Single-Lane
2016 ICD estimated from Google Maps linework.
Hendaye, Nouvelle-Aquitaine
Pyrénées-Atlantiques
France
32 Rue de Subernoa / Rue d'Aizpurdi / Chem,in de la Barriere
(43.35853, -1.76882)
Roundabout
Existing
All-Way Yield
Unknown
5 Approaches
0 Driveways
10.4204
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Salzburg, Salzburg
Salzburg
Austria
Bürglsteinstraße / Elsenheimstraße
(47.79878, 13.06163)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
10.4296
Other (At-Grade)
Single-Lane
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.
Saint-Herblain, Loire Region
Loire-Atlantique
France
Boulevard Marcel Paul / (parking)
(47.24566, -1.61727)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
10.5401
Other (At-Grade)
Single-lane w/ Traversable Central Island
ICD estimated from Google Maps linework.
Bulle, Fribourg
La Gruyère
Switzerland
Route des Granges / Rue de Prèville / Route de la Ronclina
(46.61097, 7.05217)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
10.6657
Other (At-Grade)
Single-lane w/ Traversable Central Island
ICD estimated from Google Maps linework.
San Luis Obispo, CA
San Luis Obispo Co.
United States
Chorro St. / High St.
(35.27217, -120.65736)
Traffic Calming Circle
Existing
Two-Way Stop
None
4 Approaches
0 Driveways
10.7258
Other (At-Grade)
Single-Lane
2016 ICD estimated from Google Maps linework.
Conway, AR
Faulkner Co.
United States
Country Club Rd. / Kensington Dr.
(35.07843, -92.48086)
Traffic Calming Circle
Existing
Two-Way Stop
None
4 Approaches
0 Driveways
10.7514
Other (At-Grade)
Single-Lane
2003 ICD estimated from Google Maps linework.
Cape Town, Western Cape
Cape Town
South Africa
De Beers Ave. / (unknown)
(-34.08929, 18.82345)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
10.8801
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Vancouver, BC
Greater Vancouver
Canada
Heather St. / 62nd Ave.
(49.21424, -123.12399)
Traffic Calming Circle
Existing
Other
Unknown
3 Approaches
0 Driveways
10.9224
Other (At-Grade)
Single-Lane
2008 No yield or stop signs. ICD estimated from Google Maps linework.
Vancouver, BC
Greater Vancouver
Canada
Heather St. / W 64th Ave.
(49.21235, -123.12407)
Traffic Calming Circle
Existing
Other
Unknown
3 Approaches
0 Driveways
10.9229
Other (At-Grade)
Single-Lane
2008 No yield or stop signs. ICD estimated from Google Maps linework.
Vancouver, BC
Greater Vancouver
Canada
Heather St. / W 68th Ave.
(49.21027, -123.12414)
Traffic Calming Circle
Existing
Other
Unknown
4 Approaches
0 Driveways
10.9233
Other (At-Grade)
Single-Lane
2008 No yield or stop signs. ICD estimated from Google Maps linework.
Santa Ana, CA
Orange Co.
United States
W Bishop St. / S Baker St.
(33.73996, -117.88278)
Traffic Calming Circle
Existing
Two-Way Stop
None
4 Approaches
0 Driveways
10.9248
Other (At-Grade)
Single-Lane
2017 Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Spånga, Stockholm County
Stockholm
Sweden
Trafikplats Hjulsta (Rte 275 / E18 Ramps)
(59.40026, 17.88317)
Rotary
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
10.9432
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
ICD estimated from Google Maps linework.
Metz, Grand Est
Moselle
France
Rue de la Horgne / Pont de la Horgne
(49.09262, 6.17334)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
10.9493
Other (At-Grade)
Single-lane w/ Traversable Central Island
ICD estimated from Google Maps linework.
Nacka, Stockholm County
Nacka
Sweden
Siroccogatan / Smedjegatan
(59.30476, 18.12430)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
10.9741
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.
Vail, CO
Eagle Co.
United States
S Frontage Rd. W / (freeway underpass)
(39.64051, -106.39973)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
11.0365
Other (At-Grade)
Single-Lane
2017 Year Completed estimated (2015-2018). ICD estimated from Google Maps linework.
Bühl, Baden-Württemberg
Rastatt
Germany
HauptStraße / SchwanenStraße
(48.69563, 8.13607)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
11.0366
Other (At-Grade)
Single-lane w/ Traversable Central Island
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.
Littleton, CO
Arapahoe Co.
United States
Elati St. / Arapahoe Rd.
(39.59515, -104.99770)
Traffic Calming Circle
Existing
Two-Way Stop
None
4 Approaches
0 Driveways
11.0437
Other (At-Grade)
Single-Lane
Functional Class: Collector ICD estimated from Google Maps linework.
St James, MN
Watonwan Co.
United States
1st Ave. S / 7th St. S
(43.98246, -94.62703)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
11.1720
Other (At-Grade)
Single-lane w/ Traversable Central Island
2017 ICD estimated from Google Maps linework.
Duizel, North Brabant
Eersel
Netherlands
Wolverstraat / Ganzestaartsedijk / Smitsiend
(51.36532, 5.29541)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
11.1852
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Bad Aibling, Bavaria
Rosenheim
Germany
Ellmosener Straße / Harthauser Straße
(47.86641, 12.01242)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
11.2172
Other (At-Grade)
Single-lane w/ Traversable Central Island
ICD estimated from Google Maps linework.
Bad Aibling, Bavaria
Rosenheim
Germany
MarienPlatz / Rosenheimer Straße
(47.86370, 12.01019)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
11.2178
Other (At-Grade)
Single-lane w/ Traversable Central Island
ICD estimated from Google Maps linework.
Salzburg, Salzburg
Salzburg
Austria
Bürglsteinstraße / L105
(47.79899, 13.06352)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
11.2318
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
32nd Ave. E / E. Howell St.
(47.61763, -122.29130)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
11.2709
Other (At-Grade)
Unknown
ICD estimated from Google Maps linework.
Elizalde, Basque Country
Guipúzcoa
Spain
Rafael Pikabea Hiribidea / Sibelutz Kalea
(43.29923, -1.86766)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
11.2997
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Kent, WA
King Co.
United States
SE 244th St. / 100th Ave. SE
(47.38335, -122.20736)
Traffic Calming Circle
Existing
Other
None
4 Approaches
0 Driveways
11.3213
Other (At-Grade)
Single-Lane
2016 This is now a dog bone-shaped traffic circle with two-way Yield control on the east and west approaches and no control north-south. Previous control was stop-control on the east leg only before the west leg was built. ICD estimated from Google Maps linework.
Richmond, VIC

Australia
Highett St. / Coppin St.
(-37.81642, 145.00423)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
11.3219
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Federal Way, WA
King Co.
United States
Military Rd. S / S 298 St.
(47.33514, -122.29673)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
11.3317
Other (At-Grade)
Single-lane w/ Traversable Central Island
2019 "Compact" roundabout with 85-foot inscribed diameter and fully traversible center island and raised splitter islands. Opened in March 2019. Military Rd is a Minor Arterial, 40 mph, S 298 St is a Minor Collector, 25 mph. ICD estimated from Google Maps linework.
Madison, WI
Dane Co.
United States
Glenway St. / Hillcrest Dr.
(43.06437, -89.43896)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
11.3433
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Saint-Herblain, Loire Region
Loire-Atlantique
France
Rue du Petit Village / Chemin des Vignes
(47.21779, -1.64953)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
11.3569
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Saint-Herblain, Loire Region
Loire-Atlantique
France
Boulevard François Mitterrand / Rue du Petit Village
(47.21649, -1.64588)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
11.3571
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Meyrin, Geneva
Geneva
Switzerland
Rue de la Prulay / Rue de Livron
(46.22839, 6.08293)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
11.5671
Other (At-Grade)
Single-lane w/ Traversable Central Island
ICD estimated from Google Maps linework.
Bromma, Stockholm County
Stockholm
Sweden
Abrahamsbergsvägen / Gustav IIIs väg / Arkitekvägen
(59.33460, 17.95080)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
11.5736
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Toledo, OH
Lucas Co.
United States
S Detroit Ave. / S Byrne Rd. / Devonshire Rd.
(41.58965, -83.61533)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
11.6124
Other (At-Grade)
Single-Lane
2019 https://www.toledoblade.com/local/transportation/2019/06/26/south-toledo-detroit-byrne-devonshire-roundabout-opens-road-construction/stories/20190625178 ICD estimated from Google Maps linework.
Port St Lucie, FL
St. Lucie Co.
United States
NW Bayshore Blvd. / NW Selvitz Rd.
(27.33455, -80.36674)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
11.6707
Other (At-Grade)
Multilane (2 Lane, unspecified)
2018 ICD estimated from Google Maps linework.
Montigny-lès-Metz, Grand Est
Moselle
France
Rue de Blory / Rue du Président John Fitzgerald Kennedy
(49.08705, 6.16579)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
11.7327
Other (At-Grade)
Single-lane w/ Traversable Central Island
ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States
13th St. / J St.
(40.87260, -124.08780)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
11.7404
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Noosa Heads, QLD

Australia
Hastings St. / Park Rd. / Morwong Dr.
(-26.38725, 153.09288)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
11.7688
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Johns Creek, GA
Fulton Co.
United States
Weathervane Dr. / Mabry Park Pl.
(34.05871, -84.21291)
Traffic Calming Circle
Existing
Unknown
Unknown
3 Approaches
0 Driveways
11.8735
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Long Beach, CA
Los Angeles Co.
United States
W 10th St. / Daisy Ave.
(33.77898, -118.19939)
Traffic Calming Circle
Existing
All-Way Stop
None
4 Approaches
0 Driveways
11.9125
Other (At-Grade)
Single-Lane
2018 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.
La Crosse, WI
La Crosse Co.
United States
Farnam St. / 20th St. S
(43.79786, -91.22690)
Traffic Calming Circle
Existing
Other
Unknown
4 Approaches
0 Driveways
12.0687
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Colonial Gardens, MO
Boone Co.
United States
Rollins Rd. / S Fairview Rd.
(38.94681, -92.38090)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
12.0752
Other (At-Grade)
Single-lane w/ Traversable Central Island
2013 ICD estimated from Google Maps linework.
White Center, WA
King Co.
United States
10th Ave. SW / SW 100th St.
(47.51379, -122.34770)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
12.1000
Other (At-Grade)
Single-lane w/ Traversable Central Island
2006 Opened April 2006. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Saint-Herblain, Loire Region
Loire-Atlantique
France
(unknown) / (unknown)
(47.23671, -1.64099)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
12.1637
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Saint-Herblain, Loire Region
Loire-Atlantique
France
Rue Vincent Auriol / Rue Bourdaloue / Chemin de la Galetiere
(47.21501, -1.65597)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
12.1687
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
San Anselmo, CA
Marin Co.
United States
San Francisco Blvd. / Santa Cruz Ave.
(37.98566, -122.56572)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
12.1920
Other (At-Grade)
Single-lane w/ Traversable Central Island
2019 Painted splitter islands. Year Completed estimated (2018-2019).
Miami, FL
Miami-Dade Co.
United States
NE 14th Ave. / NE 131st St.
(25.89644, -80.17061)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
12.1920
Other (At-Grade)
Single-Lane
2020 Year Completed estimated (2019-2021).
Abbeville, Hauts-de-France
Somme
France
Rue Leday / Rue des Astronautes Armstrong et Aldrin
(50.11384, 1.85139)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
12.2541
Other (At-Grade)
Single-lane w/ Traversable Central Island
ICD estimated from Google Maps linework.
Abbeville, Hauts-de-France
Somme
France
Rue Jean de Ponthieu / Rue Sainte Catherine / Rue Gantier Patin
(50.10712, 1.83252)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
12.2558
Other (At-Grade)
Single-lane w/ Traversable Central Island
ICD estimated from Google Maps linework.
Richmond, VIC

Australia
Buckingham St. / Davison St.
(-37.81442, 145.00773)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
12.2658
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Brunswick East, VIC

Australia
John St. / Miller St.
(-37.77598, 144.97618)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
12.2721
Other (At-Grade)
Single-lane w/ Traversable Central Island
ICD estimated from Google Maps linework.
Fairfield, VIC

Australia
Rathmines St. / Mitchell St.
(-37.77413, 145.01663)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
12.2725
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Bazancourt, Grand Est
Marne
France
D20 (Rue d'Isles-sur-Suippe) / Rue Fichet Bauche
(49.36023, 4.17910)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
12.4459
Other (At-Grade)
Single-lane w/ Traversable Central Island
ICD estimated from Google Maps linework.
Gibraltar,

Gibraltar
Queensway Rd. / Ragged Staff Rd.
(36.13388, -5.35392)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
12.5397
Other (At-Grade)
Single-lane w/ Traversable Central Island
ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
SE 13th Ave. / SE Madison St.
(45.51294, -122.65266)
Traffic Calming Circle
Existing
Unknown
None
4 Approaches
0 Driveways
12.5539
Other (At-Grade)
Single-Lane
1988 Completed 9/8/1988. 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.
Southend-on-Sea, England
Essex
United Kingdom
London Rd. / (parking lot)
(51.54033, 0.70789)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
12.6281
Other (At-Grade)
Single-lane w/ Traversable Central Island
ICD estimated from Google Maps linework.
Umea, Vasterbotten County
Umea
Sweden
Skolgatan / Ridvägen
(63.83430, 20.23530)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
12.6399
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
London, England
City of London
United Kingdom
Great Peter St. / Horseferry Rd.
(51.49651, -0.13373)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
12.6402
Other (At-Grade)
Single-lane w/ Traversable Central Island
ICD estimated from Google Maps linework.
Veldhoven, North Brabant
Veldhoven
Netherlands
Sterrenlaan / Mullerlaan / Parasolpad
(51.41135, 5.39912)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
12.6638
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
West Wickham, England
Greater London
United Kingdom
The Avenue / Red Lodge Rd.
(51.38125, -0.01294)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
12.6722
Other (At-Grade)
Single-lane w/ Traversable Central Island
ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States
Maxwell Ave. / 6th St.
(40.02176, -105.28860)
Traffic Calming Circle
Existing
Two-Way Stop
None
4 Approaches
0 Driveways
12.8046
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
Wallingford Ave. N / N 137th St.
(47.72868, -122.33690)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
12.8537
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States
Heritage Rd. / W 4th Ave.
(39.72190, -105.21004)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
12.8607
Other (At-Grade)
Single-lane w/ Traversable Central Island
2015 Nearby pedestrian overcrossing in addition to at-grade pedestrian crossing on north leg. ICD estimated from Google Maps linework.
Westwood, CA
Los Angeles Co.
United States
Ashton Ave. / Westholme Ave.
(34.06052, -118.43307)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
12.8627
Other (At-Grade)
Single-Lane
2008 ICD estimated from Google Maps linework.