Roundabouts Database Index

31450 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.

City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Denham Springs, LA Livingston United States	US 190 (Florida Blvd.) / Juban Rd. (30.48285, -90.91747)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2026	Add-lane right-turn bypass lane on west leg. Yield-controlled right-turn bypass lane on south leg.
Lawrence, NJ Mercer United States	US 206 / Princeton Ave. (40.24568, -74.74660)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 53.3400	Other (At-Grade) Single-Lane	2025	https://www.mercercounty.org/departments/planning/transportation-projects/bce-.
Wilmington, DE New Castle United States	Barley Mill Plaza / Buckley Mill Plaza / Buckley Mill Building (39.75916, -75.60027)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane		Pedestrian crossings adjacent to circulatory roadway.
New Castle, DE New Castle United States	Chaddwyck Blvd. / Heddington Rd. (39.63635, -75.62563)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 21.3357	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2011-2016).
New Castle, DE New Castle United States	Phoebe Farms Ln. / Elizabeth Sweetbriar Ln. (39.63445, -75.62139)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 20.7264	Other (At-Grade) Single-Lane		No splitter islands.
New Castle, DE New Castle United States	Keller Beyer Rd. / Elizabeth Sweetbriar Ln. (39.63510, -75.62092)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 20.7264	Other (At-Grade) Single-Lane		No splitter islands.
New Castle, DE New Castle United States	Florence Fields Ln. / Elizabeth Sweetbriar Ln. (39.63623, -75.62007)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 20.7264	Other (At-Grade) Single-Lane		No splitter islands.
Bear, DE New Castle United States	Rose Hill Dr. / Whirlaway Dr. / Talamore Ct. (39.57352, -75.76032)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 19.8120	Other (At-Grade) Single-lane w/ Traversable Central Island		Painted splitter islands.
Middletown, DE New Castle United States	Sugar Maple Blvd. / Scarlet Oak St. / Northern Oak St. (39.47828, -75.63981)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane		No splitter islands on west, south, or east legs.
Smyrna, DE Kent United States	Canwit Dr. / Jimmy Dr. (39.28159, -75.59444)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2007-2009).
Smyrna, DE Kent United States	Benro Way / Jimmy Dr. (39.28345, -75.59498)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2007-2009).
Smyrna, DE Kent United States	Sweet Corn Ln. / Jimmy Dr. (39.28516, -75.59590)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2009	Southwest leg stubbed. Year Completed estimated (2007-2009).
Leipsic, DE Kent United States	SR 10 (W Lebanon Rd.) / Rising Sun Rd. (39.11300, -75.53489)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 67.0557	Other (At-Grade) Single-Lane	2026	https://camdenareaprojects.com/about/camden-bypass
Georgetown, DE Sussex United States	Cpl Vaughn O Hall Dr. / Carmean Way / College Park Dr. (38.70115, -75.40609)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2011-2015).
Lewes, DE Sussex United States	Tigress Rd. / Simpler Branch (38.67613, -75.19151)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Millsboro, DE Sussex United States	Sheep Pen Rd. / Olney Way (38.59665, -75.32414)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2020-2022).
Warwick, RI Kent United States	Inskip Blvd. / (parking) (41.69807, -71.49859)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Warwick, RI Kent United States	Inskip Blvd. / (parking) (41.69738, -71.49934)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Erie, CO Boulder United States	Austin Ave. / E County Line Rd. / Pinnacle Blvd. (40.03307, -105.05554)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	5 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2026	https://www.erieco.gov/2506/Austin-Ave-Roundabout.
Richland, WA Benton United States	Dallas Rd. / Ava Way (46.22523, -119.34755)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2025	https://www.richlandwa.gov/Home/Components/News/News/2004/17.
Richland, WA Benton United States	Dallas Rd. / Trowbridge Blvd. (46.22098, -119.34572)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2025	https://www.richlandwa.gov/Home/Components/News/News/2004/17.
West Lancaster, OH Fayette United States	SR 435 / SR 729 / Bluegrass Blvd. (39.61068, -83.58705)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Single-Lane	2024	Add-lane right-turn bypass lane on north leg.
Leland, NC Brunswick United States	New Pointe Blvd. / Ocean Gate Plaza (34.21287, -78.02197)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2026	Raindrop shaped. https://www.townofleland.com/projects/ocean-gate-plaza-intersection-improvements
Dade City, FL Pasco United States	US 98-US 301 / US 301 / US 98 (7th St. S) (28.35517, -82.18777)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2025	https://www.fdottampabay.com/project/939/256423-3-52-01.
St John’s, Newfoundland and Labrador Division 1 Canada	Heavy Tree Rd / Rte 2 WB Ramps (47.50130, -52.78910)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 60.0000	Freeway Ramps (Grade-Separated) Single-Lane	2025	https://www.facebook.com/NFLDBulletin/posts/heavy-tree-rd-roundabout-now-open-good-news-for-commuters-after-weeks-of-closure/122154992696836930/
Fresno, CA Fresno United States	Alicante Dr. / Portofino Dr. (36.90322, -119.73420)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2024	Year Completed estimated (2024-2025).
Clovis, CA Fresno United States	Loma Vista Pkwy. / Highland Ave. (36.80662, -119.62751)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2019).
Clovis, CA Fresno United States	E Gettysburg Ave. / Highland Ave. (36.80292, -119.62750)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2019
(unincorporated), TX Fort Bend United States	Sienna Lakes / Park Crossing (29.48508, -95.48447)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.8637	Other (At-Grade) Single-Lane	2026
San Diego, CA San Diego United States	University Ave. / Highland Ave. (32.74962, -117.09875)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2025	https://www.insidesandiego.org/improvement-project-along-university-avenue-city-heights-reaches-major-milestone.
San Diego, CA San Diego United States	University Ave. / Menlo Ave. (32.74957, -117.09445)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	2025	https://www.insidesandiego.org/improvement-project-along-university-avenue-city-heights-reaches-major-milestone.
San Diego, CA San Diego United States	University Ave. / Chamoune Ave. (32.74958, -117.09659)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-Lane	2025	https://www.insidesandiego.org/improvement-project-along-university-avenue-city-heights-reaches-major-milestone.
St Joseph, MN Stearns United States	CR 133 / Elm St. E (45.56922, -94.30068)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2025	https://www.stearnscountymn.gov/?contentId=482fb381-e91c-497b-ad37-031f198914ef.
St Joseph, MN Stearns United States	CSAH 2 / W Minnesota St. / Leaf Rd. (45.56196, -94.33632)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2025	https://www.facebook.com/StearnsCounty/posts/great-news-for-st-joseph-area-drivers-the-roundabout-at-county-road-2-minnesota-/1200665785429774/.
Kirkland, WA King United States	NE 85th St. / I-405 SB Ramps (47.67918, -122.18535)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)	2026	Raindrop shaped. https://www.kirklandwa.gov/Whats-Happening/News/Meet-the-Oblong-Roundabout-at-the-I-405-NE-85th-Street-Interchange.
Kirkland, WA King United States	NE 85th St. / I-405 NB Ramps (47.67924, -122.18375)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2026	Raindrop shaped. https://www.kirklandwa.gov/Whats-Happening/News/Meet-the-Oblong-Roundabout-at-the-I-405-NE-85th-Street-Interchange.
Raleigh, NC Wake United States	Blue Ridge Rd. S / Homewood Banks Dr. (35.83318, -78.68028)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 33.5280	Other (At-Grade) Single-Lane	2026	https://www.instagram.com/p/DVqqgyCDhNY/.
Danbury, OH Ottawa United States	SR 269 / S Danbury Rd. (41.50567, -82.82985)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2026	https://www.thebeacon.net/its-open/.
Bunbury, Western Australia Harvey Australia	Kingston Dr. / Norfolk Ln. / Balwyn Rd. (-33.26691, 115.74535)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Braidwood Dr. / Balwyn Rd. (-33.26538, 115.75088)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Balwyn Rd. / Barton Dr. (-33.26597, 115.74794)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Burwood Rd. / Burleigh Dr. (-33.26310, 115.74643)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Burwood Rd. / Barton Dr. (-33.26274, 115.74724)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Burwood Rd. / Macquarie Dr. (-33.26240, 115.74807)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Burwood Rd. / Kelston Way (-33.26206, 115.74890)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Bunbury, Western Australia Harvey Australia	Sherwood Rd. / Burleigh Dr. (-33.26152, 115.74457)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Sherwood Rd. / Barton Dr. (-33.26078, 115.74478)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Sherwood Rd. / Macquarie Dr. (-33.26009, 115.74499)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Brighton Rd. / Glenfield Dr. (-33.25988, 115.74079)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Brighton Rd. / Macquarie Dr. (-33.26053, 115.74128)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Brighton Rd. / Barton Dr. (-33.26119, 115.74177)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Brighton Rd. / Burleigh Dr. (-33.26182, 115.74224)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Holbrook St. / Burleigh Dr. (-33.26283, 115.74127)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Holbrook St. / Barton Dr. (-33.26262, 115.74042)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Holbrook St. / Macquarie Dr. (-33.26241, 115.73956)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Holbrook St. / Glenfield Dr. (-33.26219, 115.73866)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Barwon Way / Lochart Rd. (-33.25618, 115.74352)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bunbury, Western Australia Harvey Australia	Barwon Way / Waverley Rd. (-33.25764, 115.74331)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	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	NE 37th Ave. / NE Brazee St. (45.54057, -122.62500)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	1987	Completed 10/16/1987.
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	One-Way/Two-Way Stop None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	1990	Completed 5/8/1990.
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.