Roundabouts Database Index

30066 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
Johnstown, CO Weld Co. United States	SH 60 / Gateway Cir. (40.33527, -104.98559)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 59.4360	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2024	Primary access to large travel and fuel center. Year Completed estimated (2023-2024).
La Salle, CO Weld Co. United States	CR 44 / US 85 SB Ramps (40.30821, -104.74948)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 53.3400	Freeway Ramps (Grade-Separated) Single-Lane	2024	https://www.9news.com/article/traffic/us-85-colorado-new-interchange/73-2b7e4e5d-a889-4452-8d39-477c814991d0
Longmont, CO Boulder Co. United States	Harvest Moon Dr. / (parking) / (unknown) (40.15101, -105.08420)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2023	Right-turn-only lane and two-lane exit on north leg. Year Completed estimated (2022-2023).
Lochbuie, CO Adams Co. United States	E 168th Ave. / Frontage Rd. (40.00051, -104.71769)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2020	Ellipitcal shaped. ICD = 170 ft x 140 ft.
Broomfield, CO Adams Co. United States	W 122nd Ave. / N Park Centre Dr. (39.92089, -105.01002)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2002	North leg stubbed. Year Completed estimated (2001-2003).
Thornton, CO Adams Co. United States	Washington Center Pkwy. / Lafayette St. (39.91876, -104.97204)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2002	Year Completed estimated (1999-2002).
Thornton, CO Adams Co. United States	Riverdale Rd. / Quebec St. (39.91040, -104.90320)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2018
Westminster, CO Adams Co. United States	W 117th Ave. / Quitman St. (39.90885, -105.04229)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2005
Aurora, CO Arapahoe Co. United States	Copperleaf Blvd. / Radcliff Pkwy. (39.63537, -104.72624)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	Year Completed estimated (2022-2023).
Westerville, OH Franklin Co. United States	Little Turtle Way W / Longrifle Rd. (40.08322, -82.87865)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	Yield-controlled right-turn bypass lane on south leg.
Castle Rock, CO Douglas Co. United States	E Montaine Cir. / Quarry Mesa Dr. (39.32630, -104.85197)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2023
Black Forest, CO El Paso Co. United States	SR 50 (Walker Rd.) / Jane Lundeen Dr. (39.09974, -104.76828)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.8637	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	Double left turn on south leg. Right-turn-only on west leg.
Colorado Springs, CO El Paso Co. United States	Meridian Sol Dr. / Swingline Rd. (38.93013, -104.60820)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2022	Elliptical shaped. ICD = 130 ft x 105 ft.
Colorado Springs, CO El Paso Co. United States	Meadow Brook Pkwy. / Newt Dr. (38.84432, -104.69242)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4317	Other (At-Grade) Single-Lane	2023
Vista, California San Diego County United States	Foothill Dr. / Oak Dr. (north) (33.21634, -117.22192)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2025	Elliptical shaped. Part of closely spaced pair of roundabouts. https://www.youtube.com/watch?v=Imr8lxz23dc
Vista, California San Diego County United States	Foothill Dr. / Oak Dr. (south) (33.21602, -117.22114)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2025	Part of closely spaced pair of roundabouts.
Sanford, Florida Seminole County United States	W Seminole Blvd. / N French Ave. (28.81507, -81.27332)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2021
Sanford, Florida Seminole County United States	W Seminole Blvd. / Oak Dr. (28.82146, -81.29258)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island	2021
Sanford, Florida Seminole County United States	W Seminole Blvd. / Walnut Crest Run (28.82541, -81.30462)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island	2021
Sanford, Florida Seminole County United States	W Seminole Blvd. / (unknown) (28.83081, -81.31651)	Roundabout Unknown	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island	2021	Painted splitter island on south leg.
(unincorporated), Texas Fort Bend County United States	Mason Rd. / Victoria Bay Blvd. (29.67590, -95.73782)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2025	Vortex modular/quick-build roundabout.
North Miami, Florida Miami-Dade County United States	NW 12th Ave. / NW 120th St. (25.88432, -80.21868)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2011
North Miami, Florida Miami-Dade County United States	NW 12th Ave. / NW 123rd St. (25.88704, -80.21881)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 21.3360	Other (At-Grade) Single-Lane	2011
North Miami, Florida Miami-Dade County United States	NW 12th Ave. / NW 127th St. (25.89067, -80.21899)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 21.3360	Other (At-Grade) Single-Lane	2011
North Miami, Florida Miami-Dade County United States	NW 8th Ave. / NW 122nd St. (25.88638, -80.21272)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 19.8120	Other (At-Grade) Single-Lane	2014
Miami, Florida Miami-Dade County United States	SW 2nd Ave. / SW 28th Rd. (25.75291, -80.20891)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-Lane	2005
Cedar Park, Texas Williamson County United States	N Lynnwood Trl. (30.52054, -97.81145)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2020-2021).
Cedar Park, Texas Williamson County United States	C-Bar Ranch Trl. (30.52252, -97.81033)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2020-2021).
Sanford, Florida Seminole County United States	SR 46 / Glade View Dr. (28.81298, -81.37718)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 65.5320	Other (At-Grade) Single-Lane	2021	Underneath SR 429 but without any direct connection.
Sanford, Florida Seminole County United States	SR 46 / Markham Rd. (28.81344, -81.38801)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 64.0080	Other (At-Grade) Single-Lane	2022	Underneath SR 429 but without any direct connection.
Sanford, Florida Seminole County United States	SR 46 / Yankee Lake Rd. (28.81487, -81.40113)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 64.0080	Other (At-Grade) Single-Lane	2022	Underneath SR 426 but without direct connection.
Sanford, Florida Seminole County United States	SR 46 / Longwood Markham Rd. / SR 46-SR 429 Ramps (28.81487, -81.40566)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 64.0080	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2021
Sanford, Florida Seminole County United States	SR 46 / Osprey Hammock Trl. / River Oaks Cir. (28.81503, -81.41312)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 71.6280	Other (At-Grade) Single-Lane	2021	Passes underneath SR 429 but with no direct connection.
Tucson, Arizona Pima County United States	E 5th St. / N 1st Ave. (32.22907, -110.96099)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Tucson, Arizona Pima County United States	N 5th Ave. / E 8th St. (32.22547, -110.96708)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	2023	Painted splitter islands on north and south legs.
Tucson, Arizona Pima County United States	N 7th Ave. / E 4th St. (32.23031, -110.97020)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Tucson, Arizona Pima County United States	W 5th St. / N 9th Ave. (32.22900, -110.97328)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Tucson, Arizona Pima County United States	W 4th St. / N 9th Ave. (32.23031, -110.97328)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Tucson, Arizona Pima County United States	W 4th St. / N 10th Ave. (32.23030, -110.97481)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Tucson, Arizona Pima County United States	W University Blvd. / N 9th Ave. (32.23161, -110.97330)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Tucson, Arizona Pima County United States	W University Blvd. / N 10th Ave. (32.23160, -110.97483)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Tucson, Arizona Pima County United States	W University Blvd. / N 11th Ave. (32.23159, -110.97637)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Tucson, Arizona Pima County United States	W 1st St. / N 11th Ave. (32.23420, -110.97638)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Tucson, Arizona Pima County United States	W 1st St. / N 9th Ave. (32.23422, -110.97331)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Tucson, Arizona Pima County United States	E 2nd St. / N 7th Ave. (32.23292, -110.97023)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Tucson, Arizona Pima County United States	W 2nd St. / N 9th Ave, (32.23291, -110.97330)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Hollywood, FL Broward Co. United States	Hollywood Blvd. / Rainbow Dr. (26.01050, -80.18360)	Other Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 274.3200	Other (At-Grade) Multilane (2 Lane, unspecified)		Uncontrolled mainline, stop-control on side street. Building and parking in central island.
Berkeley, CA Alameda Co. United States	Marin Ave. / Los Angeles Ave. / Del Norte St. / Arlington Ave. (37.89015, -122.27240)	Other Existing	One-Way/Two-Way Stop None	6 Approaches 0 Driveways 25.4489	Other (At-Grade) Single-Lane		Free movement on Marin Ave.; rest are stop-controlled ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NW 25th Ave. / NW Quimby St. (45.53328, -122.70277)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	3 Approaches 0 Driveways 15.8958	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NW 25th Ave. / NW Overton St. (45.53190, -122.70270)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 44.3420	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NW 25th Ave. / NW Marshall St. (45.53040, -122.70270)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 62.7498	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. 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
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	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.
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.
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.
Newton, MA Middlesex Co. United States	Wheeler Rd. / Meadowbrook Rd. (42.30915, -71.19085)	Other Existing	One-Way/Two-Way Stop None	3 Approaches 0 Driveways 22.0809	Other (At-Grade) Single-Lane	2003	At elementary school. 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.
Fillmore, CA Ventura Co. United States	River St. / Surrey Way (34.39410, -118.91950)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 38.4355	Other (At-Grade) Single-Lane	2003	Traffic Calming Circle with Truck Apron Previously controlled by two-way stop Functional Class: Local ICD estimated from Google Maps linework.
Fillmore, CA Ventura Co. United States	River St. / Reading St. (34.39330, -118.92510)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	3 Approaches 0 Driveways 71.9441	Other (At-Grade) Single-Lane	2003	Features truck apron and modified curb lines. Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 16th Ave. / SE Salmon St. (45.51435, -122.64961)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 15.0642	Other (At-Grade) Single-Lane	1982	Completed 2/18/1982. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 13th Ave. / SE Salmon St. (45.51434, -122.65264)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 17.5750	Other (At-Grade) Single-Lane	1989	Completed 1/11/1989. ICD estimated from Google Maps linework.
(unincorporated), FL Lake Co. United States	CR 455 / CR 561 (28.66685, -81.73738)	Roundabout Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 55.5404	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Polk City, FL Polk Co. United States	Deen Still Rd. / Commonwealth Ave. (28.25849, -81.82458)	Roundabout Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 38.9236	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Alexander City, AL Tallapoosa Co. United States	Tallapoosa St (32.94353, -85.95363)	Roundabout Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 48.1099	Other (At-Grade) Single-Lane	2002	Peanut-shaped roundabout. Year completed estimated (1997-2006). ICD estimated from Google Maps linework.
Raleigh, NC Wake Co. United States	Grand Estates Dr. / Courtney Estates Dr. (35.91682, -78.77574)	Other Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 27.0830	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Raleigh, NC Wake Co. United States	Grand Estate Dr. / Shelter Cove (35.91623, -78.77478)	Other Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 34.8213	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Cary, NC Wake Co. United States	Portrait Dr. / (unknown) (35.79986, -78.79715)	Other Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 30.9977	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Cary, NC Wake Co. United States	Tryon Manor Dr. / Tryon Village Dr. (35.74686, -78.74579)	Other Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 36.8343	Other (At-Grade) Single-Lane	2006	Uncontrolled N-S legs, stop-controlled E leg. ICD estimated from Google Maps linework.
Chehalis, WA Lewis Co. United States	NW West St. / NW Pennsylvania Ave. (46.66652, -122.97639)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways	Other (At-Grade) Unknown	2008	Year Completed estimated (2006-2009).
Portland, OR Multnomah Co. United States	NE 7th Ave. / NE Morris St. (45.54468, -122.65860)	Traffic Calming Circle Removed	One-Way/Two-Way Stop None	3 Approaches 0 Driveways 128.8135	Other (At-Grade) Single-Lane	2013	Neighborhood traffic circle was installed 1/9/1992. Removed in 2013 as part of upgrades to the Neighborhood Greenway. Added speed humps nearby. 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	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 10.7258	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
San Luis Obispo, CA San Luis Obispo Co. United States	Chorro St. / Church St. (35.27448, -120.65800)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 29.2513	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	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 10.7514	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Fayetteville, AR Washington Co. United States	N Vandeventer Ave. / W Ila St. (36.07101, -94.16435)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island	2008
Fayetteville, AR Washington Co. United States	N Vandeventer Ave. / W Cleburn St. (36.07471, -94.16427)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2008
Littleton, CO Arapahoe Co. United States	Powers Ave. / S Greenwood St. (39.61509, -105.00042)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 35.8818	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Littleton, CO Arapahoe Co. United States	S Gallup St. / W Arapahoe Rd. (39.59517, -105.00233)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 12.8843	Other (At-Grade) Single-Lane		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	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 9.2042	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Littleton, CO Arapahoe Co. United States	W Caley Ave. / S Spotswood St. (39.60239, -105.01162)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 57.0533	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Stamford, CT Fairfield Co. United States	Shippan Ave. / Fairview Ave. (41.02609, -73.52336)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 13.5152	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Basel, Basel Basel-Stadt Switzerland	Erasmusplatz (47.56593, 7.58915)	Other Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 35.4580	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Bexley, OH Franklin Co. United States	S Gould Rd. / Dale Ave. (39.96392, -82.92387)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bexley, OH Franklin Co. United States	Gould Rd. / Powell Ave. (39.96599, -82.92369)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Malden, MA Middlesex Co. United States	Fellsway E / Highland Ave (42.43419, -71.08356)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 24.6814	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Framingham, MA Middlesex Co. United States	Union Ave / Main St / Maple St (42.29709, -71.43089)	Other Existing	One-Way/Two-Way Stop None	4 Approaches 2 Driveways 51.2374	Other (At-Grade) Single-Lane		Wide circular roadway (2 lane) All approaches 1 lane Geometry unconventional; decreases overview (oval circular road, with minor approaches under an angle) Residential context repaved surface in 2016; new pavement markings consisting of three high vis crosswalks 1 South and 2 North on the major road. No further improvements to pavement markings now or in the last 10 years. Speed limit 25 mph ICD estimated from Google Maps linework.
Braselton, GA Hall Co. United States	Riverview Pkwy. / Ansley Terr. (34.12515, -83.83026)	Other Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 43.5020	Other (At-Grade) Single-Lane		Stop controlled on side street. ICD estimated from Google Maps linework.
Weinland Park, OH Franklin Co. United States	Indianola Ave. / E 6th Ave. (39.98913, -83.00333)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 27.4516	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
San Francisco State University, CA San Francisco Co. United States	Font Blvd. / (parking lot) (37.72286, -122.48358)	Other Existing	One-Way/Two-Way Stop Unknown	3 Approaches 0 Driveways 33.0641	Other (At-Grade) Single-Lane	1950	ICD estimated from Google Maps linework.
Kealakekua, HI Hawaii Co. United States	Halekii St. / Muli St. (19.51673, -155.92736)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 18.0113	Other (At-Grade) Single-lane w/ Traversable Central Island		Stop control on side street. ICD estimated from Google Maps linework.
Kealakekua, HI Hawaii Co. United States	Halekii St. / Mamao St. (19.51783, -155.92400)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 22.5140	Other (At-Grade) Single-lane w/ Traversable Central Island		Stop control on side street. ICD estimated from Google Maps linework.
West Palm Beach, FL Palm Beach Co. United States	31st St. / S Terrace Dr. (26.74238, -80.06161)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 42.6633	Other (At-Grade) Single-Lane		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	One-Way/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.
Red Oak, NC Nash Co. United States	Shepherds Way Dr. / Green Pastures (36.03711, -77.88959)	Other Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 23.1787	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
West Jordan, UT Salt Lake Co. United States	S Cobble Ridge Dr. / W Castle Pines Way (40.62410, -111.98247)	Other Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 26.2883	Other (At-Grade) Single-Lane	1998	No splitter islands; unmarked pedestrian crossings through circulatory roadway. ICD estimated from Google Maps linework.
Chapultepec Country, Jalisco Guadalajara Mexico	Avenida Plan de San Luis Potosí / Callé Andrés Terán (20.69730, -103.36760)	Other Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 75.9728	Other (At-Grade) Single-Lane		Hamburger-shaped. ICD estimated from Google Maps linework.