Roundabouts Database Index

29465 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
Fonthill, ON Niagara Canada	Summersides Blvd. / Klager Ave. (43.04425, -79.27570)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2018	No splitter island on south leg. Year Completed estimated (2018-2020).
Madison, WI Dane Co. United States	Ancient Oak Ln. / Redan Dr. (43.04384, -89.54697)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2006
Madison, WI Dane Co. United States	Millpond Rd. / (parking) (43.04361, -89.26202)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2023
Madison, WI Dane Co. United States	Ancient Oak Ln. / Lone Oak Ln. (43.04319, -89.54215)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2006
Lapeer, MI Lapeer Co. United States	Genesee Rd. / Davison Rd. / Lake Nepessing Rd. (43.04287, -83.36218)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.8976	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Monona, WI Dane Co. United States	S Towne Dr. / Industrial Dr. (43.04082, -89.35458)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.9158	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Near Super-Walmart. Opened August 7, 2007. ICD estimated from Google Maps linework.
McFarland, WI Dane Co. United States	CR AB / US 12-US 18 WB Ramps (43.04036, -89.24278)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2023	Interchange replaced single stop-controlled intersection.
McFarland, WI Dane Co. United States	CR AB / US 12-US 18 EB Ramps (43.03910, -89.24354)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2023	Interchange replaced single stop-controlled intersection.
Madison, WI Dane Co. United States	Dayflower Dr. / Starr Grass Dr. (43.03834, -89.51671)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	1999	Year Completed estimated (before 2000).
Clyde, MI St. Clair Co. United States	M-136 (North Rd. - Keewahdin Rd.) / North Rd. (43.03759, -82.52593)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	Project cost $1.2 million. https://content.govdelivery.com/accounts/MIDOT/bulletins/35beb0e
McFarland, WI Dane Co. United States	CR AB / Millpond Rd. (43.03749, -89.24561)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2023
East Amherst, NY Erie Co. United States	Lexington Ct. / Cambridge Ct. (43.03662, -78.66593)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Madison, WI Dane Co. United States	Mansion Hill Ave. / Mica Rd. (43.03659, -89.53019)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2021
Madison, WI Dane Co. United States	Mansion Hill Ave. / Starr Grass Dr. (43.03559, -89.52668)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2001	Year Completed estimated (2000-2003).
London, ON Middlesex Canada	Callingham Dr. / Meadowlands Way (43.03489, -81.29534)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2010-2013). Splitter islands added 2016-2019. (streetview) 21442
Dunn's Marsh, WI Dane Co. United States	Verona Rd. / W Beltline Frontage Rd. (43.03322, -89.45763)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2852	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Built under a freeway, but no ramps directly to or from that freeway. ICD estimated from Google Maps linework.
Gloversville, NY Fulton Co. United States	S Kingsboro Ave. / Hales Mills Rd. (43.03311, -74.34221)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.5392	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Vladikavkaz, North Ossetia-Alania Vladikavkaz Russia	E117 (Moskovskaya ulitsa) / ulitsa Mamsurova Khadzhi (43.03133, 44.64266)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Fitchburg, WI Dane Co. United States	Greenway Cross / Bryant Rd. (43.03128, -89.41081)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island	2021
Milwaukee, WI Milwaukee Co. United States	W Canal St. / N 25th St. (43.03109, -87.94351)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.9057	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	Opened September 15, 2005 ICD estimated from Google Maps linework.
Epping, NH Rockingham Co. United States	Fresh River Road / Epping Crossing development entrance (43.03021, -71.06982)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.1758	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
London, ON Middlesex Canada	Sunningdale Rd. W / Wonderland Rd. N (43.03011, -81.31690)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.6368	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Brights Grove, ON Lambton Canada	Rte 7 (Lakeshore Rd.) / Rte 26 (Mandaumin Rd.) (43.02976, -82.23018)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.9377	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2006-2009). Looks very new in Sept 2009 (streetview). ICD estimated from Google Maps linework.
Ingersoll, ON Oxford Canada	Plank Line (Hwy 19) / Harris St. (Hwy 119) / Hwy 401 WB Ramps (43.02839, -80.85549)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.0000	Freeway Ramps (Grade-Separated) Single-Lane	2017	Merging right-turn bypass lanes on northwest and northeast legs.
Milwaukee, WI Milwaukee Co. United States	S. 6th St. / W. Virginia St. / Florida St. (43.02698, -87.91770)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7816	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Built as terminal of new bridge. Signal located downstream approximately 150-200 feet away (estimated) that queues back through roundabout during weekday p.m. peak. No lane designations on approach. Functional Class: Arterial ICD estimated from Google Maps linework.
Ingersoll, ON Oxford Canada	Plank Line (Hwy 19) / Hwy 401 EB Ramps (43.02638, -80.85271)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.0000	Freeway Ramps (Grade-Separated) Single-Lane	2017	Merging right-turn bypass lanes on southwest and southeast legs.
Makhachkala, Dagestan Makhachkala Russia	E119 (ulitsa Kammayeva) / prospekt Kazbekova (43.02549, 47.44389)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Vladikavkaz, North Ossetia-Alania Vladikavkaz Russia	E117-A161 (Moskovskoye shosse) / Gizel'skoye shosse / ulitsa Barbashova (43.02541, 44.64428)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Fitchburg, WI Dane Co. United States	Williamsburg Way / Anton Dr. (43.02444, -89.47065)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 30.5595	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Stratham, NH Rockingham Co. United States	Portsmouth Ave. / College Rd. (43.02268, -70.91644)	Rotary Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 114.3832	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Grand Rapids, MI Kent Co. United States	N Park St. NE / Briggs Blvd. NE / Monroe Ave. NE (43.02218, -85.65964)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.6875	Other (At-Grade) Single-Lane	2015	Previous right-turn bypass lane converted into bike-only right-turn bypass lane feeding a two-way separated bike facility. Year Completed estimated (2013-2016). ICD estimated from Google Maps linework.
London, ON Middlesex Canada	Hyde Park Rd. / Sunningdale Rd. (43.02185, -81.34493)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)	2021	https://london.ctvnews.ca/roundabout-at-hyde-park-and-sunningdale-reopens-to-traffic-1.5654480
Goffstown, NH Hillsborough Co. United States	Center St. / Henry Bridge Rd. (43.02136, -71.54726)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 29.6879	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Makhachkala, Dagestan Makhachkala Russia	prospekt Kazbekova / (unknown) / Ubekinskaya ulitsa (43.01814, 47.41910)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown		Hamburger shaped.
Goffstown, NH Hillsborough Co. United States	NH 114 (S. Mast St.) / Wallace Rd. (43.01441, -71.58619)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.4516	Other (At-Grade) Single-Lane	2010	External truck apron in SE quadrant. ICD estimated from Google Maps linework.
Grand Rapids, MI Kent Co. United States	Monroe Ave. NE / Riverside Dr. NE / 3 Mile Rd. NE (43.01350, -85.66388)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.1985	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2016). ICD estimated from Google Maps linework.
Stone Meadows, WI Dane Co. United States	Dorchester Way / Jeffers Dr/ (43.01339, -89.48840)	Traffic Calming Circle Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 14.8459	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Stone Meadows, WI Dane Co. United States	Dorchester Way / Thornebury Dr. (43.01256, -89.48842)	Traffic Calming Circle Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 15.7194	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Wales, WI Waukesha Co. United States	US 18 / STH 83 (43.01185, -88.38395)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2989	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Wales, WI Waukesha Co. United States	US 18 / Blackwood Dr. (43.01132, -88.38609)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.5660	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Opened August 2009. ICD estimated from Google Maps linework.
Mount Horeb, WI Dane Co. United States	Springdale St. / Perimeter St. (43.01009, -89.72186)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.5667	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Mount Horeb, WI Dane Co. United States	Springdale St. / STH 78 / STH 92 (43.01007, -89.73044)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.9333	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Mount Horeb, WI Dane Co. United States	Springdale St. / Brookwood Dr. (43.00978, -89.71380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.8068	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Mount Horeb, WI Dane Co. United States	Springdale St. / Telmark Pkwy. (43.00933, -89.71098)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.6540	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Fitchburg, WI Dane Co. United States	Woods Hollow Rd / Gunflint Trail / Fontana Ct (43.00927, -89.42246)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 26.2003	Other (At-Grade) Single-Lane	2002	No control. Year Completed estimated (2000-2004). ICD estimated from Google Maps linework.
Grand Rapids, MI Kent Co. United States	Wilson Ave. NW / Remembrance Rd. NW (43.00903, -85.77753)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.0342	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	Replaced skewed signalized intersection. ICD estimated from Google Maps linework.
Madison, WI Dane Co. United States	Fitchrona Rd. / Nesbitt Rd. (43.00734, -89.48446)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.4284	Other (At-Grade) Single-Lane	2019	http://www.unifiednewsgroup.com/fitchburg_star/news/fitchrona-nesbitt-roundabout-opened-oct/article_b0f85c77-071c-5ba2-a480-ece0ff3e4253.html ICD estimated from Google Maps linework.
Grand Island, NY Erie Co. United States	Rte 324 / Staley Rd. (43.00727, -78.94897)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.8083	Freeway Ramps (Grade-Separated) Single-Lane	2011	ICD estimated from Google Maps linework.
Mount Horeb, WI Dane Co. United States	Springdale St. / Ridgeview Rd. / Lillehammer Ln. (43.00663, -89.70390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.4418	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Fitchburg, WI Dane Co. United States	Lacy Rd. / Cheryl Pkwy. (43.00643, -89.39114)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.9225	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Grand Rapids, MI Kent Co. United States	Monroe Ave. NE / Guild St. NE (43.00642, -85.66828)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.9612	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2016). ICD estimated from Google Maps linework.
Clarence Center, NY Erie Co. United States	Renaldo Circle (43.00637, -78.65408)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian access to central island.
London, ON Middlesex County Canada	Lambton Dr. / Oxford Dr. (43.00616, -81.27515)	Traffic Calming Circle Existing	Unknown Unknown	5 Approaches 0 Driveways 38.4291	Other (At-Grade) Single-Lane		Constructed sometime in the 1970s. Functional Class: Local ICD estimated from Google Maps linework.
Buffalo, NY Erie Co. United States	Audubon Pkwy. / Lee Rd. (43.00547, -78.78589)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.4296	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Fitchburg, WI Dane Co. United States	E Cheryl Pkwy. / Fahey Glen (43.00451, -89.41212)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2002	Year Completed estimated (2000-2004). Third leg added 2018-2019; future fourth leg.
Warwick, ON Lambton Canada	Hwy 79 (Egremont Rd.) / Nauvoo Rd. (43.00424, -81.87951)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2022	https://www.lambtononline.ca/en/news/roundabout-construction-complete-at-nauvoo-and-egremont-road-intersection.aspx
Manchester, NH Hillsborough Co. United States	Goffstown Rd. / Eddy Rd. / Amoskeag St. / I-293 Ramps (43.00402, -71.47507)	Rotary Existing	Uncontrolled Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Manchester, NH Hillsborough Co. United States	Londonderry Turnpike / Candia Rd. / Manchester Rd. (43.00400, -71.39258)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 76.2000	Other (At-Grade) Single-Lane	1940	Pedestrian access to central island.
Madison, WI Dane Co. United States	Stonebridge Dr. / Heather Glen Dr. / Country Ln. (43.00360, -89.50690)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2005
Stoughton, WI Dane Co. United States	CTH N / I-90 WB Ramps (43.00259, -89.20044)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.9600	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2018	Year Completed estimated (2017-2018).
Fitchburg, WI Dane Co. United States	Lacy Rd. / Fahey Glen (43.00174, -89.41176)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.4443	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Fitchburg, WI Dane Co. United States	Lacy Rd. / Haight Farm Rd. (43.00164, -89.39327)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.6727	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Stoughton, WI Dane Co. United States	CTH N / I-90 EB Ramps (43.00063, -89.20077)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.9600	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2018	Year Completed estimated (2017-2018).
Creston, MI Kent Co. United States	Monroe Ave. NW / Knapp St. NE / Riverside Park Dr. NE (42.99924, -85.67037)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4317	Other (At-Grade) Single-Lane	2014	https://www.mlive.com/news/grand-rapids/2013/06/4_roundabouts_cycle_track_plan.html
Batavia, NY Genesee Co. United States	Rte 33 / Rte 98 (42.99869, -78.19249)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.1808	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
London, ON Middlesex Canada	Brunswick Ave. / Coronation Dr. (42.99836, -81.32060)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2006
Orange City, IA Sioux Co. United States	SR 10 (8th St. SE) / Jay Ave. (42.99743, -96.03708)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.youtube.com/watch?v=ZFEW-ApSdqQ
Stoughton, WI Dane Co. United States	CTH N / (parking) (42.99687, -89.20044)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 59.4360	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Year Completed estimated (2017-2018).
Malta, NY Saratoga Co. United States	Steeplechase Blvd. / Stewards Way (42.99660, -73.78901)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands on three legs.
London, ON Middlesex Canada	Coronation Dr. / Lawson Rd. (42.99659, -81.32142)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2006-2009).
London, ON Middlesex Canada	Coronation Dr. / Carriage Way (42.99640, -81.32622)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2006
Kitahiroshima City, Hokkaido Japan	Nishinosato (42.99590, 141.51999)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2023	https://www.sorachi.pref.hokkaido.lg.jp/kk/skk/flink/133492.html
Town of Tonawanda, NY Erie Co. United States	E Park Dr. / Pirson Pkwy. (42.99503, -78.89792)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 57.9120	Other (At-Grade) Single-Lane	2015
Fitchburg, WI Dane Co. United States	Nobel Dr. / Fahey Glen (42.99461, -89.41188)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2018	Southwest and southeast legs stubbed.
Welland, ON Niagara Canada	Hwy 27 (E Main St.) / Hwy 406 (42.99357, -79.22298)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 57.6555	Other (At-Grade) Multilane (3+ Lane)	2013	Year Completed estimated (2010-2015). ICD estimated from Google Maps linework.
Mendon, NY Monroe Co. United States	NY 65 / NY 251 (42.99061, -77.57766)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.8180	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Genesee, WI Waukesha Co. United States	STH 83 / Sunset Dr. (42.98855, -88.38001)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.4401	Other (At-Grade) Single-Lane	2015	Yield-controlled right-turn bypass lane on north leg. ICD estimated from Google Maps linework.
London, ON Middlesex Canada	Beaverbrook Ave. / Bluegrass Dr. (42.98836, -81.31543)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.0000	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2003-2006).
London, ON Middlesex Canada	Beaverbrook Ave. / Whetherfield St. (42.98758, -81.30997)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0000	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2012).
London, ON Middlesex Canada	Cherrywood Trl. / Bluegrass Dr. (42.98728, -81.31882)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.0000	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2013-2015).
London, ON Middlesex Canada	Beaverbrook Ave. / Oakcrossing Rd. (42.98694, -81.30524)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0000	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2011).
Sarnia, ON Lambton Canada	Rapids Pkwy. / Quinn Dr. (42.98639, -82.35855)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2023	https://www.theobserver.ca/news/local-news/new-sarnia-roundabout-could-open-soon
Swartz Creek, MI Genesee Co. United States	Morrish Rd. / Lennon Rd. (42.98619, -83.83103)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.youtube.com/watch?v=MVfZ3Y8ySsk
London, ON Middlesex Canada	Trafalgar St. / Hale St. (42.98579, -81.19280)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.9471	Other (At-Grade) Single-Lane	2010	Built on a overpass above Canadian National Railway tracks. Replaced two T-intersections and an at-grade rail crossing. Named the Charley Fox Memorial Overpass and Roundabout ICD estimated from Google Maps linework.
Kimball, MI St. Clair Co. United States	Lapeer Rd. / Allen Rd. (42.98365, -82.52408)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.9380	Other (At-Grade) Single-Lane	2018	https://www.thetimesherald.com/story/news/local/2018/08/01/lapeer-roundabout-opening-traffic-thursday/881947002/ ICD estimated from Google Maps linework.
Makhachkala, Dagestan Makhachkala Russia	prospekt Akushinskogo / ulitsa Magomedtagirova / prospekt Ali-Gadzhi Akushinskogo / ulitsa Gayadara Gadzhiyeva (42.98337, 47.47037)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Ridgeway, WI Iowa Co. United States	CR BB / Prairie Rd. / Ridgevue Rd. (42.98142, -90.01018)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2013-2019).
Victor, NY Ontario Co. United States	Rte 96 (E Main St.) / Lynaugh Rd. (42.98010, -77.39823)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://13wham.com/news/local/new-roundabout-opens-at-route-96lynaugh-rd-intersection-in-victor
Town of Tonawanda, NY Erie Co. United States	Parker Blvd. / Harrison Ave. (42.97525, -78.83778)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2022	https://www.wgrz.com/article/news/local/roundabouts-town-of-tonawanda-complaints/71-42172d23-11ec-47fa-b45f-7d1e94ab3a3c
Flint, MI Genesee Co. United States	W Bristol Rd. / I-75 NB Ramps / / David St. (42.97349, -83.72376)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.9450	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Caledonia, NY Livingston Co. United States	Rte 5 / Rte 383 (42.97311, -77.85300)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.0896	Other (At-Grade) Single-Lane	2005	Resigned and restriped traffic circle. Previously controlled by circle ICD estimated from Google Maps linework.
Malta, NY Saratoga Co. United States	Rte 108 (Dunning St.) / Plains Rd. (42.97257, -73.77570)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.7115	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Malta, NY Saratoga Co. United States	Rte 108 (Dunning St.) / Fox Wander Rd. / Partridge Drum (42.97179, -73.78532)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.2073	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Malta, NY Saratoga Co. United States	Rte 67 (Dunning St.) / US 9 (42.97116, -73.79296)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2006	Part of a series of 5 roundabouts.
Malta, NY Saratoga Co. United States	Rte 67 (Dunning St.) / Kelch Dr. / Blacksmith Dr. (Malta Commons) (42.97068, -73.79804)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2006	Part of a series of 5 roundabouts.
Malta, NY Saratoga Co. United States	Rte 67 (Dunning St.) / I-87 NB Ramps (42.97052, -73.80057)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2006	Painted spiral next to central island. Part of a series of 5 roundabouts.
Malta, NY Saratoga Co. United States	Rte 67 (Dunning St.) / I-87 SB Ramps (42.97024, -73.80309)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2006	Painted spiral next to central island. Part of a series of 5 roundabouts.
Malta, NY Saratoga Co. United States	Rte 67 (Dunning St.) / State Farm Pl. (42.96991, -73.80676)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 43.6952	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Part of a series of 5 roundabouts. ICD estimated from Google Maps linework.
Dodgeville, WI Iowa Co. United States	US 18 / Bennett Rd. (42.96960, -90.11338)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.6954	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Opened October 7, 2008. ICD estimated from Google Maps linework.
Makhachkala, Dagestan Makhachkala Russia	prospekt Shamilya / ulitsa Abubakarova / ulitsa Dakhadayeva (42.96949, 47.49173)	Other Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)		Hamburger shaped.