Roundabouts Database Index

29483 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
Green, OH Summit Co. United States	Massillon Rd. / Thorn Dr. / Corporate Woods Cir. (40.96083, -81.46530)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2023	https://www.cityofgreen.org/CivicAlerts.aspx?AID=383&ARC=713
Green, OH Summit Co. United States	Troon Dr. / Muirfield Dr. (40.96066, -81.45029)	Other Existing	Uncontrolled Unknown	3 Approaches 3 Driveways 0.0000	Other (At-Grade) Single-Lane		Elliptical shaped.
East Hampton, NY Suffolk Co. United States	East Hampton Sag Harbor Tpke (Hwy 114) / Toilsome Ln. (40.96028, -72.20192)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 19.8421	Other (At-Grade) Single-Lane	2018	Aug 2018 Streetview shows construction almost complete. ICD estimated from Google Maps linework.
Green, OH Summit Co. United States	Massillon Rd. / Boettler Rd. / Franks Pkwy. (40.95914, -81.46541)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2023	https://www.crainscleveland.com/politics-policy/northeast-ohio-communities-embrace-roundabout
North Lima, OH Mahoning Co. United States	SR 164 (South Ave.) / SR 626 (Woodworth Rd.) / CR 28 (E Middletown Rd.) (40.95898, -80.64176)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.1159	Other (At-Grade) Single-Lane	2019	ICD estimated from Google Maps linework.
Water Mill, NY Suffolk Co. United States	Scuttlehole Rd. / Mitchells Ln. (40.95021, -72.32856)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 26.1595	Other (At-Grade) Single-Lane	2005	Year completed estimated (2004-2006). ICD estimated from Google Maps linework.
Green, OH Summit Co. United States	Arlington Rd. / Greensburg Rd. (40.94937, -81.49420)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2022	Yield-controlled right-turn bypass lane on north leg. https://www.youtube.com/watch?v=n5GeAwyMV7k
Green, OH Summit Co. United States	Massillon Rd. (SR 241) / Steese Rd. (40.94755, -81.46524)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.5169	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Opened August 2009. ICD estimated from Google Maps linework.
Grand Island, NE Hall Co. United States	W Capital Ave. / North Rd. (40.94606, -98.39780)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://theindependent.com/news/local/ahead-of-schedule-conditions-allow-for-roundabout-at-north-road-and-capital-avenue-to-be/article_a26abe50-4809-11eb-a363-abf29c818adf.html
Lexington Township, OH Stark Co. United States	SR 619 (Edison St. NE) / McCallum Ave. NE (40.94579, -81.17248)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2021	Elliptical shaped. ICD = 145 ft x 125 ft. https://www.facebook.com/CantonRep/posts/a-new-roundabout-is-coming-to-the-alliance-area-learn-more-about-the-project-and/10159288234413453/
Dumont / Cresskill, NJ Bergen Co. United States	Madison Ave. / Knickerbocker Rd. (Monument) (40.94127, -73.97681)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 74.8804	Other (At-Grade) Single-Lane		Completed May 30, 1924. Nearest traffic count was conducted on Knickerbocker Road (County Route 505) about 0.5 km from the intersection. http://tcs.state.nj.us/tmsweb/Report/h2d5c913_99_hrvolume.pdf Functional Class: Local ICD estimated from Google Maps linework.
Grand Island, NE Hall Co. United States	N North Rd. / State St. / Cannon Rd. (40.93856, -98.39770)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2021	https://theindependent.com/news/local/new-roundabout-planned-in-2021-for-state-and-north-intersection-in-grand-island/article_77f82b40-4989-11eb-bcd1-93eba12d8586.html
Grand Island, NE Hall Co. United States	N Broadwell Ave. / State St. / Eddy St (40.93841, -98.35889)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	Per news report, project cost around $4 million. https://www.kmvt.com/video/2023/09/29/five-points-roundabout-now-open-grand-island/. https://www.grand-island.com/departments/public-works/engineering/2019-planned-projects/five-points-intersection-improvement-2018-p-2
Riverhead, NY Suffolk Co. United States	Osborn Ave. / Middle Rd. / Horton Ave. (40.93469, -72.69623)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2008).
McKinleyville, CA Humboldt Co. United States	School Rd. / Salmon Ave. / McKinleyville Ave. (40.93439, -124.11240)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.0680	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2012-2014). ICD estimated from Google Maps linework.
Riverhead, NY Suffolk Co. United States	Rte. 58 / Roanoke Ave. (40.93315, -72.67399)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.7005	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Was single-lane traffic circle. Redesigned, resigned, and restriped in 2009. ICD estimated from Google Maps linework.
Grand Island, NE Hall Co. United States	North Rd. / 13th St W (40.93154, -98.39762)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018
Green, OH Summit Co. United States	Greensburg Rd. / Lauby Rd. (40.92918, -81.43810)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.3865	Other (At-Grade) Single-Lane	2015	Opened August 2015. ICD estimated from Google Maps linework.
Kimball, NY Westchester Co. United States	Xavier Dr. / Paula Ave. (40.92692, -73.85267)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 15.2400	Other (At-Grade) Single-lane w/ Traversable Central Island	2011	Year Completed estimated (2010-2011).
Grand Island, NE Hall Co. United States	W Faidley Ave. / Claude Rd. (40.92447, -98.38829)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2020	https://theindependent.com/news/local/new-roundabout-open-at-faidley-avenue-and-claude-road/article_9b6fc49a-1d9a-11eb-8f02-bb1006ea2295.html
Giugliano in Campania, Campania Naples Italy	Via San Francesco a Patria / Corso Campano (40.92363, 14.16951)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Alliance, OH Stark Co. United States	Beeson St. NE / Freshley Ave. NE (40.92355, -81.15375)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.8773	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Grand Island, NE Hall Co. United States	N North Rd. / W Faidley Ave. (40.92305, -98.39735)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2023	https://www.ksnblocal4.com/2023/04/27/progress-grand-island-north-road-construction/
Centerville, UT Davis Co. United States	N 1250 W / W Legacy Crossing Blvd. (40.92015, -111.89691)	Signalized Roundabout/Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2013). West leg added 2014-2015.
New Rochelle, NY Westchester Co. United States	Sunhaven Dr. / Harding Dr. / Wilson Dr. (40.91975, -73.76757)	Other Existing	All-Way Yield None	5 Approaches 0 Driveways 43.3185	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Qualiano, Campania Naples Italy	Piazza Kennedy (40.91891, 14.15357)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Mount Vernon, NY Westchester Co. United States	Lincoln Ave. / Gramatan Ave. (40.91744, -73.83753)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.1000	Other (At-Grade) Single-Lane	2006	Central island has fountain and music ICD estimated from Google Maps linework.
Seward, NE Seward Co. United States	7th St. / 6th Ave. / 8th Ave. (40.91742, -97.10029)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 37.9050	Other (At-Grade) Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
Villaricca, Campania Naples Italy	SP1 (Corso Europa) / SP55 (Via Enrico Fermi) (40.91733, 14.19640)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Grand Island, NE Hall Co. United States	W Old Potash Hwy. / Claude Rd. (40.91712, -98.38794)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.facebook.com/garysautoinc/videos/the-roundabout-at-claude-road-and-old-potash-is-getting-closer-but-stilltake-a-l/1828703987312477/
Grand Island, NE Hall Co. United States	W Old Potash Hwy. / Wilmar Ave. (40.91702, -98.38177)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2021	https://nebraska.tv/news/local/grand-island-old-potash-highway-construction-update-roundabout-281
Grand Island, NE Hall Co. United States	Old Potash Hwy / S North Rd. (40.91702, -98.39744)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://twitter.com/GIPublicWorks/status/1331332356423233546
Riverhead, NY Suffolk Co. United States	Rte. 24 / CR 94 (40.91591, -72.66968)	Rotary Existing	Unknown Unknown	3 Approaches 0 Driveways 86.6419	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
New Rochelle, NY Westchester Co. United States	Elmer Miller Circle (Memorial Hwy. / Normal Rockwell Blvd) (40.91546, -73.78770)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 77.6173	Other (At-Grade) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Riverhead, NY Suffolk Co. United States	Rte. 24 / (unknown) (40.91524, -72.66606)	Rotary Existing	Unknown Unknown	3 Approaches 0 Driveways 48.7366	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Riverhead, NY Suffolk Co. United States	Flanders Rd. (Rte. 24) / Peconic Ave. / Lake Ave. / Riverleigh Ave. (40.91461, -72.66277)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 58.6650	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Converted from rotary to roundabout in 2018. https://riverheadlocal.com/2018/10/26/its-been-a-long-road-to-a-new-roundabout-in-riverside-but-its-officially-completed/. ICD estimated from Google Maps linework.
Stony Brook, NY Suffolk Co. United States	S. Loop Rd. / Marburger Dr. (40.90982, -73.12318)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.1041	Other (At-Grade) Single-Lane	2006	On college campus roadway. ICD estimated from Google Maps linework.
Green, OH Stark Co. United States	Mount Pleasant St. NW / Pittsburg Ave. / Mayfair Rd. (40.90675, -81.42386)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2024	Roundabout is on the border between City of Green and Jackson Township. https://www.cantonrep.com/story/news/local/2024/04/17/pittsburg-and-mount-pleasant-intersection-closing-monday/73357975007/
Nolans Ridge, NJ Morris Co. United States	Harrison Way / Ondish Ct. (40.90635, -74.64102)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Huntington, IN Huntington Co. United States	Guilford St. / N 300 W / N Clear Creek Rd. / W 500 N (40.90506, -85.50919)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways 32.0040	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1998-2003).
Arcata, CA Humboldt Co. United States	Guintoli Ln. / US 101 NB Ramps (40.90492, -124.08510)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.3015	Freeway Ramps (Grade-Separated) Single-Lane	2005	ICD estimated from Google Maps linework.
Middle Island, NY Suffolk Co. United States	Miller Place Yaphank Rd. / Whiskey Rd. (40.90476, -72.95687)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.4256	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Grand Island, NE Hall Co. United States	S Adams St. / (school access) / (school access) (40.90437, -98.34699)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2018	https://www.grand-island.com/departments/public-works/engineering/2018-completed-projects/adams-street-paving-project-no-2016-p-2
Arcata, CA Humboldt Co. United States	Guintoli Ln. / US 101 SB Ramps (40.90400, -124.08920)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.7180	Freeway Ramps (Grade-Separated) Single-Lane	2005	ICD estimated from Google Maps linework.
Van Wert, OH Van Wert Co. United States	US 224 / US 127 / Marsh Rd. (40.90046, -84.57198)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	Opened August 5, 2022. https://www.hometownstations.com/news/new-roundabout-just-north-of-van-wert-expected-to-open-on-august-5th/article_5605707a-129a-11ed-9c27-bf0fae2306bd.html
North Canton, OH Stark Co. United States	Pittsburg Ave. NW / Orion St. NW (40.89935, -81.42126)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	https://www.starkcountyohio.gov/government/offices/engineer/resources/projects/pittsburg___shuffel___orion_roundabouts/index.php
Huntington, IN Huntington Co. United States	Merillat Blvd. / Ray St. / Merillat Dr. (40.89819, -85.50188)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane		Circle with roundabout features. Unmarked pedestrian path through circulatory roadway.
North Canton, OH Stark Co. United States	Pittsburg Ave. NW / Shuffel St. NW (40.89778, -81.42156)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	https://www.starkcountyohio.gov/government/offices/engineer/resources/projects/pittsburg___shuffel___orion_roundabouts/index.php
Fieldston, NY Bronx Co. United States	W 246th St. / Fieldston Rd. (40.89362, -73.90554)	Other Existing	All-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Arcata, CA Humboldt Co. United States	West End Rd. / Spear Ave. / Saint Louis Rd. (40.88910, -124.08210)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.0866	Other (At-Grade) Single-Lane	1998	Functional Class: Arterial ICD estimated from Google Maps linework.
Columbiana, OH Columbiana Co. United States	SR 164 (Lisbon St. - N Main St.) / S Main St. / E Park Ave. (40.88864, -80.69362)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Diamond shaped. Parking along circulatory roadway.
Grand Island, NE Hall Co. United States	W Husker Hwy. / Prairieview St. (40.88797, -98.38297)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2016-2020).
Ashland, OH Ashland Co. United States	US 250 / Cottage St. / Faultless Dr. (40.88726, -82.32632)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.ashlandsource.com/news/ashland-roundabout-construction-chugs-along/article_c61e13a0-0929-11ed-abda-6798832391cc.html
Blue Lake, CA Humboldt Co. United States	Blue Lake Blvd. / Chartin Rd. (40.88640, -123.99540)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3789	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	N 14th St. / Alvo Rd. (40.88617, -96.70101)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.3405	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	W Alvo Blvd. / Tallgrass Pkwy (40.88540, -96.73535)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 58.6909	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
New Rochelle, NY Westchester Co. United States	Glen Island Park (40.88517, -73.78382)	Rotary Existing	All-Way Stop Unknown	3 Approaches 0 Driveways 103.6320	Other (At-Grade) Single-Lane
Lincoln, NE Lancaster Co. United States	W Alvo Blvd. / Stonebrook Pkwy (40.88500, -96.72949)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 57.7883	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Huntington, NY Suffolk Co. United States	New York Ave. / Grist Mill Ln. / CR 35 (40.88407, -73.41909)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.6034	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Huntington, NY Suffolk Co. United States	New York Ave. / Park Ave. / Creek Rd. (40.88273, -73.41970)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.4100	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Ovar, Aveiro Ovar Portugal	N109 (Rua da Pardala - Rua Ponte Reada) / N327 (Avenida Dom Manuel I) (40.87979, -8.61762)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Arcata, CA Humboldt Co. United States	Sunset Ave. / Foster Ave. / Jay St. (40.87972, -124.08482)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.5754	Other (At-Grade) Single-lane w/ Traversable Central Island	2014	Speed hump on southeast leg. Date: https://krcrtv.com/archive/new-roundabout-open-in-arcata-_2016051318431286 ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	Humphrey Ave. / Trinidad Rd. (40.87909, -96.69670)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.0239	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Riverhead, NY Suffolk Co. United States	Quogue Riverhead Rd. / Old Riverhead Rd. (40.87822, -72.63782)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.7335	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	Fallbrook Blvd. / Tallgrass Pkwy (40.87793, -96.73135)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 65.0188	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	Fallbrook Blvd. / Stonebrook Pkwy (40.87706, -96.72567)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 64.1166	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Little Falls, NJ Passaic Co. United States	Great Notch Rd. / Notch Rd. / Lackawanna Ave. / Rifle Camp Rd. (40.87636, -74.20116)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2019	https://www.northjersey.com/story/news/passaic/woodland-park/2019/10/03/great-notch-road-reopen-after-construction/3858426002/
Bountiful, UT Davis Co. United States	Main St. / 1500 South / 200 West (40.87477, -111.88570)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 27.9955	Other (At-Grade) Single-Lane	2008	Construction is concrete. Functional Class: Collector ICD estimated from Google Maps linework.
Woods Cross, UT Davis Co. United States	Mountain View Blvd. / W 1500 S (40.87467, -111.93385)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
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.
Little Falls, NJ Passaic Co. United States	Clove Rd. / US 46 EB Ramps / (unknown) (40.87254, -74.19662)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Freeway Ramps (Grade-Separated) Single-Lane	2019	https://themontclarion.org/news/commuters-breathe-sigh-of-relief-with-clove-road-bridge-opening/
Huntington, NY Suffolk Co. United States	Clinton Ave. / Gerard St. (40.87225, -73.42886)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 14.4499	Other (At-Grade) Single-Lane	2002	http://query.nytimes.com/gst/fullpage.html?res=9D04E4DB133DF931A15751C1A9649C8B63 ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	NW 13th St. / Fletcher Ave. (40.87215, -96.73907)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.6715	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Clifton, NJ Passaic Co. United States	Valley Rd. / Great Notch Rd. / US 46-SR 3 WB Exit Ramp (40.87171, -74.18939)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2023	https://www.northjersey.com/story/news/transportation/2023/10/31/route-46-and-route-3-construction-in-passaic-county-nearly-done/71330652007/
Arcata, CA Humboldt Co. United States	12th St. / I St. (40.87160, -124.08700)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 48.7687	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Louisville, OH Stark Co. United States	Easton St. NE / Paris Ave. NE (40.87049, -81.20902)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.5444	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Pelham Bay Park, NY Bronx Co. United States	Shore Rd. / Orchard Beach Rd. (40.86915, -73.81085)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 137.1600	Other (At-Grade) Single-Lane
Pelham Bay Park, NY Bronx Co. United States	Park Dr. / Orchard Beach Mall (40.86774, -73.79981)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (3+ Lane)
Lincoln, NE Lancaster Co. United States	N 21st St. / Folkways Blvd. (40.86681, -96.69003)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 17.1606	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Woods Cross, UT Davis Co. United States	W 2260 S / S 2040 W (40.86671, -111.93590)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Woods Cross, UT Davis Co. United States	W 2260 S / S 1950 W (40.86663, -111.93371)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Leonia, NJ Bergen Co. United States	Challenge Rd. / (unknown) (40.86473, -73.99583)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2012
Ridge, NY Suffolk Co. United States	Princeton Ave. / York Ln. (40.86451, -72.89717)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 62.4840	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	Year Completed estimated (2019-2020).
Teaneck, NJ Bergen Co. United States	Challenger Rd. / (parking) (40.86211, -74.00624)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2010	Painted splitter islands.
North Salt Lake, UT Davis Co. United States	Fox Hollow Dr. W / W 1100 N (40.86156, -111.93811)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Arcata, CA Humboldt Co. United States	Samoa Blvd. / Union St. (40.86140, -124.07730)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.2273	Other (At-Grade) Single-Lane	1999	Functional Class: Arterial ICD estimated from Google Maps linework.
Pelham Bay Park, NY Bronx Co. United States	City Island Rd. / Park Dr. (40.86035, -73.80217)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 152.4000	Other (At-Grade) Multilane (2 Lane, unspecified)
Wooster, OH Wayne Co. United States	SR 83 (Burbank Rd.) / (shopping center entrance) (40.86015, -81.95294)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022
Wooster, OH Wayne Co. United States	SR 83 (Burbank Rd.) / W Smithville Western Rd. (40.85801, -81.95140)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2016	Completed August 2016.
Hasbrouck Heights, NJ Bergen Co. United States	Passaic Ave. / Boulevard (40.85798, -74.08175)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.1986	Other (At-Grade) Single-Lane		Very narrow splitter islands. ICD estimated from Google Maps linework.
Wooster, OH Wayne Co. United States	Smithville Western Rd. / Friendsville Rd. (40.85784, -81.94308)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.7126	Other (At-Grade) Single-Lane	2019	Youtube video of someone driving around the completed roundabout: https://www.youtube.com/watch?v=y0Km3-A9z8w. Newspaper article when it was close to complete: https://www.the-daily-record.com/news/20191008/roundabout-nearing-completion ICD estimated from Google Maps linework.
North Salt Lake, UT Davis Co. United States	Fox Hollow Dr. W / 900 N (40.85756, -111.93805)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
North Salt Lake, UT Davis Co. United States	N Cutler Dr. / W 900 N (40.85755, -111.93205)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Lincoln, NE Lancaster Co. United States	N 14th St. / Superior St. (40.85751, -96.70113)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7791	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Triple-lane (three-lane) roundabout. Functional Class: Arterial ICD estimated from Google Maps linework.
Arcata, CA Humboldt Co. United States	Samoa Blvd. / Buttermilk Ln. (40.85710, -124.07250)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.1329	Other (At-Grade) Single-Lane	1999	Functional Class: Arterial ICD estimated from Google Maps linework.
Naples, Campania Naples Italy	Via Provinciale Montagna Spaccata / Via Pallucci (40.85579, 14.15904)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Naples, Campania Naples Italy	Via Provinciale Montagna Spaccata / Via Arcangelo Corelli (40.85455, 14.16310)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
North Salt Lake, UT Davis Co. United States	Foxboro Dr. / Fox Hollow Rd. (40.85340, -111.93866)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
North Salt Lake, UT Davis Co. United States	Foxboro Dr. / N Cutler Dr. (40.85319, -111.93199)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 59.4360	Other (At-Grade) Single-Lane	2005
Naples, Campania Naples Italy	Via Provinciale Montagna Spaccata / (unknown) (40.85275, 14.16892)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)