Roundabouts Database Index

30321 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
Dover, NH Strafford Co. United States	Silver St. / Knox Marsh Rd. / Spaulding Turnpike WB Ramps (43.18845, -70.88652)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.3149	Freeway Ramps (Grade-Separated) Single-Lane	2016	ICD estimated from Google Maps linework.
Sun Prairie, WI Dane Co. United States	Gaslight Dr. / Carriage Dr. (43.18638, -89.18950)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.2608	Other (At-Grade) Single-Lane	2003	Exact year of opening unknown. Year Completed estimated (2000-2005).
Menominee Falls, WI Waukesha Co. United States	Megal Ct. / (unknown) (43.18504, -88.10064)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2015	Fourth leg stubbed. Year Completed estimated (2015-2016).
Sheldon, IA O'Brien Co. United States	34th Ave. / Pavilion Way / Prairie Trail Rd. (43.18342, -95.81593)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Originally just a turnaround for trucks in 2011; an unknown time later two roads were connected. No splitter island on north leg. https://www.nwestiowa.com/news/orange-city-opens-first-roundabout/article_32eaa2b4-63e7-11ee-bfc6-2baa523c8e84.html
St Catharines, ON Niagara Canada	7th Street Louth / Queen Elizabeth Way WB Ramps (43.18086, -79.30892)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.9324	Freeway Ramps (Grade-Separated) Single-Lane	2016	Right-turn bypass lane on east leg. ICD estimated from Google Maps linework.
Brant, ON Brant Canada	Rest Acres Rd. / Cobblestone Dr. / Daugaard Ave. (43.18023, -80.38441)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	Year Completed estimated (2020-2023).
Lincoln, ON Niagara Canada	King St. (Hwy 81) / Green Lane Rd. (43.17965, -79.50744)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.2240	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
St Catharines, ON Niagara Canada	7th Street Louth / Queen Elizabeth Way EB Ramps (43.17822, -79.30900)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5794	Freeway Ramps (Grade-Separated) Single-Lane	2016	ICD estimated from Google Maps linework.
Zaldívar, Basque Country Vizcaya Spain	N-634 / Barrio Sallabente (43.17789, -2.49435)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 40.0634	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Waunakee, WI Dane Co. United States	STH 113 / Arboretum Dr. / Bong Rd. (43.17746, -89.41174)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2023
Brant, ON Brant Canada	Rest Acres Rd. / Arlington Pkwy. / Court Dr. (43.17712, -80.38332)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	Year Completed estimated (2020-2023).
Manchester, VT Bennington Co. United States	Main St. / Bonnet St. (43.17692, -73.05688)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 17.4191	Other (At-Grade) Single-lane w/ Traversable Central Island	2013	ICD estimated from Google Maps linework.
Sun Prairie, WI Dane Co. United States	W Main St. / N Mallard Dr. (43.17674, -89.25973)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.8061	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	Opened November 2005. ICD estimated from Google Maps linework.
Manchester, VT Bennington Co. United States	Main St. / Depot St. (43.17641, -73.05745)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.6128	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Sun Prairie, WI Dane Co. United States	W Main St. / N Thompson Rd. (43.17636, -89.25448)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.0321	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	Opened November 2005. ICD estimated from Google Maps linework.
Sun Prairie, WI Dane Co. United States	W Main St. / CTH C (N Grand Ave.) (43.17611, -89.26487)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.0323	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	Opened November 2005. ICD estimated from Google Maps linework.
Dover, NH Strafford Co. United States	Pointe Pl. / (unknown) (43.17405, -70.85941)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2018).
Manchester, VT Bennington Co. United States	Rte. 7A / Equinox (Grand Union) (43.17309, -73.06181)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.1304	Other (At-Grade) Single-Lane	1997	Roundabout is in a retail/outlet district in a resort area. VT 7-A is posted as a Historic Highway and is the local business route, while the parallel US 7 is a two-lane, limited access bypass that carries through truck traffic. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Greenville, MI Montcalm Co. United States	Meijer Dr. / Greenville West Dr. (43.17297, -85.27965)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4855	Other (At-Grade) Single-Lane	2002	Year Completed estimated (1999-2005). ICD estimated from Google Maps linework.
Brant, ON Brant Canada	Rest Acres Rd. / Scenic Ridge Gate / Lydia Ln. (43.17224, -80.38134)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	Year Completed estimated (2020-2023).
Brown Deer, WI Milwaukee Co. United States	STH 57 / Teutonia Ave. (43.17202, -87.96338)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, unspecified)	2022
Brant, ON Brant Canada	Hwy 2 (King Edward St.) / Bishopsgate Rd. (43.17113, -80.42643)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2020-2023).
Brant, ON Brant Canada	Hwy 2 (King Edward St.) / Puttown Rd. / Falkland Rd. (43.17027, -80.43259)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2020-2023).
Brant, ON Brant Canada	Rest Acres Rd. / Powerline Rd. (43.16946, -80.38027)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.0000	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2018-2019).
Vladivostok, Primorye Vladivostok Russia	Russkaya ulitsa / Borodinskaya ulitsa (43.16904, 131.93308)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Sun Prairie, WI Dane Co. United States	O'Keeffe Ave. / (future road) (43.16863, -89.25001)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 35.7141	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	ICD estimated from Google Maps linework.
Sun Prairie, WI Dane Co. United States	O'Keeffe Ave. / (future road - S Thompson Rd) (43.16849, -89.25340)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.4250	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	ICD estimated from Google Maps linework.
Brant, ON Brant Canada	Rest Acres Rd. / Hutchings Rd. (43.16711, -80.37922)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 62.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2024	Right-turn-only lane and three-lane pedestrian crossing on south leg.
Watertown, WI Jefferson Co. United States	E Horseshoe Rd. / CTH A (Milford St.) (43.16401, -88.76087)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2014	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Brown Deer, WI Milwaukee Co. United States	N Teutonia Ave. / W Bradley Rd. (43.16315, -87.96311)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.9442	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Sun Prairie, WI Dane Co. United States	Leopold Way / Brown Bear Way (43.16196, -89.25238)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8704	Other (At-Grade) Single-Lane	2019
Watertown, WI Jefferson Co. United States	BUS 26 (S Church St.) / High Rd. (43.16088, -88.73526)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.8169	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Niagara-on-the-Lake, ON Niagara Canada	York Rd. (Regional Road 81) / Glendale Ave. (Regional Road 89) (43.16034, -79.16236)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.0000	Other (At-Grade) Single-Lane	2023	Add-lane right-turn bypass lanes on west and south legs. https://www.insauga.com/construction-finally-finished-on-niagara-on-the-lakes-diverging-diamond-interchange/
Watertown, WI Jefferson Co. United States	E Horseshoe Rd. / Jefferson Rd. (43.15839, -88.74851)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.3640	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Niagara-on-the-Lake, ON Niagara Canada	Niagara Pkwy. / Portage Rd. (43.15820, -79.05083)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.7504	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Woodstock, ON Oxford Canada	Oxford Rd 17 / Oxford Rd 59 (43.15721, -80.77425)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.4933	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Merton, WI Waukesha Co. United States	CTH E / CTH VV (43.15625, -88.35119)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.8501	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Lenox, NY Madison Co. United States	Rte 31 (Lake Rd.) / Rte 13 (N Peterboro St.) (43.15604, -75.74407)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 28.7514	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Woodstock, ON Oxford Canada	Ridgewood Dr. / Lakeview Dr. / Eastview Ave. (43.15562, -80.76566)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.8205	Other (At-Grade) Single-Lane	2007	No splitter islands. Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Watertown, WI Jefferson Co. United States	CTH Y (S Church St.) / STH 26 NB Ramps (43.15562, -88.74126)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.7217	Freeway Ramps (Grade-Separated) Single-Lane	2011	ICD estimated from Google Maps linework.
Rochester, NY Monroe Co. United States	Broad St. / Court St. / Broadway St. / Woodbury Blvd. (43.15493, -77.60059)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 40.9497	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Watertown, WI Jefferson Co. United States	CTH Y (S Church St.) / STH 26 SB Ramps (43.15450, -88.74223)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.3362	Freeway Ramps (Grade-Separated) Single-Lane	2011	ICD estimated from Google Maps linework.
Bridgeport, NY Onondaga Co. United States	Rte 31 / Minoa Rd. (Rte 298) (43.15437, -75.97328)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 20.0394	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Madison, WI Dane Co. United States	Hanson Rd. / Eastpark Blvd. / Portage Rd. (43.15377, -89.30464)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.7228	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Opened October 14, 2008. ICD estimated from Google Maps linework.
Watertown, WI Jefferson Co. United States	Jefferson Rd. / CTH Y (43.15325, -88.75062)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5944	Other (At-Grade) Single-Lane	2010	Near railroad crossing. ICD estimated from Google Maps linework.
Rochester, NY Monroe Co. United States	Rte 33 (Buffalo Rd.) / Mt Read Blvd. (43.15187, -77.65962)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.3082	Other (At-Grade) Single-Lane	2019	This was a conversion from a unique multi-lane signalized traffic circle to a roundabout. Owned by NYSDOT. ICD estimated from Google Maps linework.
Lee, NH Rockingham Co. United States	US 4 / Rte 125 (43.14910, -71.00666)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2015	Constructed November 2003 as single-lane rotary as part of new shopping mall. Converted to multilane roundabout in 2015. First multilane roundabout conversion in New Hampshire.
Lannon, WI Waukesha Co. United States	CTH V (Town Line Rd.) / W Good Hope Rd. (43.14820, -88.18388)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.0124	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Mason City, IA Cerro Gordo Co. United States	Mohawk Boulevard / Mason City HS parking lots (43.14796, -93.16502)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2013
Ixonia, WI Jefferson Co. United States	STH 16 / American St. (CTH F) (43.14647, -88.59080)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.0551	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Rochester, NY Monroe Co. United States	Plymouth Ave. / Ford St. (43.14373, -77.61810)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2005	Raised crosswalks on southwest and southeast legs (added 2017-2021). Year Completed estimated (2005-2006).
Durham, NH Strafford Co. United States	Main St. / North Dr. (43.14065, -70.94124)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.5016	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Marcy, NY Oneida Co. United States	Marcy-SUNY IT Pkwy. / Edic Rd. (43.13954, -75.23764)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 44.4460	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
Lannon, WI Waukesha Co. United States	STH 74 (Main St.) / CTH V (Townline Dr.) / McLaughlin Rd. (43.13902, -88.18408)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.3459	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Opened November 15, 2008. ICD estimated from Google Maps linework.
Vladivostok, Primorye Vladivostok Russia	Snegovaya ulitsa / 5-ya Prokhodnaya ulitsa (43.13661, 131.92665)	Unknown Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Niagara Falls, ON Niagara Canada	Rte 101 (Mountain Rd.) / Mewburn Rd. (43.13474, -79.12551)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.0366	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Utica, NY Oneida Co. United States	Marcy-SUNY IT Pkwy. / Technology Dr. (43.13456, -75.23939)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 57.5230	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
Vladivostok, Primorye Vladivostok Russia	prospekt Ostryakova / Okeanskiy prospekt (43.13301, 131.89994)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Rochester, NY Monroe Co. United States	Airport Way / Airport Rd. (43.12927, -77.67145)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2022	At Rochester airport. Airport Road is one-way eastbound. Constructed with temporary bypass road around construction site. https://www.rocairport.com/news-2022-06-24-roundabout.
Dover, NH Strafford Co. United States	US 4 (Boston Harbor Rd.) / Boston Harbor Rd. / Spur Rd. (43.12836, -70.84375)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2019
Vladivostok , Primorye Vladivostok Urban Okrug Russia	Krasnogo Znameni prospekt / Partizanskiy prospekt / Ostryakova prospekt (43.12832, 131.90208)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Madison, WI Dane Co. United States	Felland Rd. / Tranquility Trl. (43.12504, -89.27625)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2021	https://www.youtube.com/watch?v=nTuFFRcmDPY
Vladivostok, Primorye Vladivostok Russia	prospekt Krasnogo Znameni / ulitsa Alliluyeva (43.12264, 131.92571)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Madison, WI Dane Co. United States	Lien Rd. / Zeier Rd. (43.12128, -89.29919)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.1768	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	Opened October 2010. ICD estimated from Google Maps linework.
St Catharines, ON Niagara Canada	Suzanne Rochon-Burnett Circle (University Rd. E / Greenhouse Ln. / Ray Woodfield Dr. / John McDonald St.) (43.12007, -79.24428)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.0000	Other (At-Grade) Single-Lane	2000	Initial completion estimated (before 2003). Modified approximately 2003-2007 to realign University Road leg. ICD estimated from Google Maps linework. 21442
Vladivostok, Primorye Vladivostok Russia	Shilkinskaya ulitsa / ulitsa Vsevoloda Sibirtseva (43.11898, 131.92181)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Vladivostok, Primorye Vladivostok Russia	ulitsa Vsevoloda Sibirtseva / ulitsa Sukhanova (43.11814, 131.90063)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Rochester, NY Monroe Co. United States	E River Rd. / Murlin Dr. / Kendrick Rd. (43.11413, -77.63435)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2334	Other (At-Grade) Single-Lane	2013	Converted from three-way intersection into four-way intersection. ICD estimated from Google Maps linework.
Vladivostok, Primorye Vladivostok Russia	ulitsa Kapitana Shefnera / Pushkinskaya ulitsa (43.11369, 131.91756)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Oconomowoc, WI Waukesha Co. United States	Wisconsin Ave. / Lake Dr. (43.11224, -88.43968)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.1314	Other (At-Grade) Single-Lane	2002	Opened October 15, 2002. Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework.
Cottage Grove, WI Dane Co. United States	CTH N / CTH TT (43.11198, -89.19907)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.2597	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Series of 3 roundabouts. ICD estimated from Google Maps linework.
Cottage Grove, WI Dane Co. United States	CTH N / I-94 WB Ramps (43.11037, -89.19930)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.6200	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2011	Series of 3 roundabouts. ICD estimated from Google Maps linework.
West Lincoln, ON Niagara Canada	Regional Road 20 / S Grimsby Road 6 (43.11010, -79.56042)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2020	https://niagararegion.ca/projects/regional-road-20/default.aspx
Čapljina, Federation of Bosnia and Herzegovina Herzegovina-Neretva Canton Bosnia and Herzegovina	M6 (Mate Bobana -Tasovčići) / Augusta Šenoe / (parking) (43.10987, 17.69906)	Roundabout Existing	Unknown None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Entrance to rail station.
Čapljina, Federation of Bosnia and Herzegovina Herzegovina-Neretva Canton Bosnia and Herzegovina	Ante Starčevića / Braće Radić / Metkovačka (43.10962, 17.70131)	Roundabout Existing	Unknown None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Oconomowoc, WI Waukesha Co. United States	Wisconsin Ave. / Walnut St. (43.10956, -88.49469)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.6205	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Opened August 15, 2008. ICD estimated from Google Maps linework.
Čapljina, Federation of Bosnia and Herzegovina Herzegovina-Neretva Canton Bosnia and Herzegovina	Ante Starčevića / Gojka Šuška (43.10933, 17.70390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Niagara Falls, ON Niagara Canada	Victoria Ave. / Bridge St. / Thorold Stone Rd. (43.10884, -79.07338)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 64.0000	Other (At-Grade) Single-Lane	2022	https://www.youtube.com/watch?v=PJwDZ6g8cT0
Cottage Grove, WI Dane Co. United States	CTH N / I-94 EB Ramps (43.10877, -89.19923)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.3649	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2011	Series of 3 roundabouts. ICD estimated from Google Maps linework.
Madison, WI Dane Co. United States	Thompson Dr. / STH 30 WB On-Ramp / Commercial Ave. (43.10643, -89.30084)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.9822	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Opened October 22, 2004. ICD estimated from Google Maps linework.
Madison, WI Dane Co. United States	Thompson Dr. / STH 30 EB Off-Ramp (43.10506, -89.30066)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.0073	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Opened October 22, 2004. ICD estimated from Google Maps linework.
Greenwich, NY Washington Co. United States	Rte 29 / Rte 40 (43.10361, -73.51842)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.3681	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Middleton, WI Dane Co. United States	Parmenter St. / US 12 WB Off-Ramp / Discovery Dr. (43.10221, -89.51196)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.3928	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2006	Opened October 2006. ICD estimated from Google Maps linework.
Utica, NY Oneida Co. United States	Oriskany St. (Rte 5S) / John St. (43.10193, -75.22624)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2020	https://www.wktv.com/content/news/New-roundabout-opens-in-downtown-Utica-573398001.html
Newington, NH Rockingham Co. United States	Woodbury Ave. / Arboretum Dr. / US 4 EB Ramps (43.10153, -70.81503)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2414	Freeway Ramps (Grade-Separated) Single-Lane	2015	ICD estimated from Google Maps linework.
Kittery, ME York Co. United States	US 1 / Rte 236 (43.10072, -70.74415)	Rotary Existing	Unknown Unknown	0 Approaches 0 Driveways 91.5646	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Madison, WI Dane Co. United States	Ragan St. / North Star Dr. (43.09786, -89.27608)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2020).
Madison, WI Dane Co. United States	Winnebago St. / N 6th St. / Division St. (43.09783, -89.35031)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.5463	Other (At-Grade) Single-Lane	2008	Opened June 2008. ICD estimated from Google Maps linework.
Zorra, ON Oxford Canada	Dundas St. (Road 68) / 37th Line (43.09715, -80.87243)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.0117	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Brighton, NY Monroe Co. United States	E Henrietta Rd. / (unklnown) (43.09657, -77.60624)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2014	Merging right-turn bypass lane on south leg.
Utica, NY Oneida Co. United States	Genesee St. / State St. / Park Ave. (43.09602, -75.24228)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 29.6518	Other (At-Grade) Single-Lane	2013	Year completed estimated (2011-2015) ICD estimated from Google Maps linework.
Mayfield, NY Fulton Co. United States	Rte 30 / Rte 30A (43.09455, -74.27904)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.0131	Other (At-Grade) Single-Lane	2019	https://www.leaderherald.com/news/local-news/2019/10/roundabout-set-to-open/ ICD estimated from Google Maps linework.
Madison, WI Dane Co. United States	Saturn Dr. / North Star Dr. (43.09428, -89.27589)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2017).
Madison, WI Dane Co. United States	Saturn Dr. / Milky Way (43.09423, -89.27887)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2016	Elliptical shaped. ICD = 105 ft x 95 ft. Year Completed estimated (2014-2017).
Middleton, WI Dane Co. United States	Deming Way / John Q Hammond Dr. (43.09371, -89.52560)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.9086	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
West Lincoln, ON Niagara Canada	Regional Road 20 (St Catharines St.) / Townline Rd. (43.09175, -79.53404)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2020	https://niagararegion.ca/projects/regional-road-20/default.aspx
Utica, NY Oneida Co. United States	Johnson Park (43.09164, -75.23682)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		Pedestrian access to central island.
Madison, WI Dane Co. United States	Star Dr. / Dominion Dr. (43.09153, -89.27502)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.1652	Other (At-Grade) Single-Lane	2006	Date estimated. ICD estimated from Google Maps linework.
Madison, WI Dane Co. United States	Star Dr. / Apollo Way (43.08892, -89.27760)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.1663	Other (At-Grade) Single-Lane	2003	Date estimated. ICD estimated from Google Maps linework.
Syracuse, NY Onondaga Co. United States	Carrier Circle (Carrier Pkwy. / I-90 Ramps / Thompson Rd.) (43.08791, -76.09052)	Rotary Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 183.1674	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.