Roundabouts Database Index

30065 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
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.
Amherst, NY Erie Co. United States	John James Audubon Pkwy. / I-990 WB Ramps / Alamosa Way (43.02618, -78.78262)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2023
London, ON Middlesex Canada	Denview Ave. / Buroak Dr. (43.02568, -81.32362)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0000	Other (At-Grade) Single-Lane	2012	Pedestrian crossings nearly adjacent to circulatory roadway. Yield lines within circulatory roadway in advance of pedestrian crossings on exits.
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.
Davison, MI Genesee Co. United States	Lapeer Rd. / Oak Rd. (43.01793, -83.49786)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	https://davisonindex.mihomepaper.com/articles/new-roundabout-opens/
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.
Syracuse, NY Onondaga Co. United States	E Brighton Ave. / E Glen Ave. / I-481 WB Exit Ramp / I-81 NB Entrance Ramp (43.00895, -76.13260)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Unknown	2024	https://dailyorange.com/2024/09/new-york-transportation-completes-syracuse-roundabout/
Amherst, NY Erie Co. United States	John James Audubon Pkwy. / Frontier Rd. (43.00764, -78.78133)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2020-2021).
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.
Fitchburg, WI Dane Co. United States	S Seminole Hwy. / Lacy Rd. (43.00116, -89.45924)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2023	https://www.wmtv15news.com/2023/11/17/lacy-road-construction-is-complete-with-added-speed-reductions/
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.