Roundabouts Database Index

29554 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
Watervliet, NY Albany Co. United States	Sutherland Dr. / Beacon Dr. / Mahogany Dr. (42.72840, -73.72327)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.4611	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Orion, MI Oakland Co. United States	Baldwin Rd. / Maybee Rd. (42.72884, -83.30775)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, unspecified)	2020	Yield-controlled right-turn bypass lane on east leg. West leg enters into a residential subdivision local road.
Yorkville, WI Racine Co. United States	Washington Ave. / Spring St. (42.72909, -87.96664)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.3752	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Pelham, NH Hillsborough Co. United States	NH 111A (Marsh Rd.) / Acorn Ln. / Village Green (42.73178, -71.32437)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 58.7778	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Racine, WI Racine Co. United States	State St. / Spring St. / West St. (42.73298, -87.80201)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.5996	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Watervliet, NY Albany Co. United States	Billys Way / Beryl Way (42.73320, -73.72641)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 50.0038	Other (At-Grade) Unknown	2005	ICD estimated from Google Maps linework.
Lansing, MI Ingham Co. United States	Michigan Ave. / Washington Square (42.73360, -84.55225)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.3176	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Pelham, NH Hillsborough Co. United States	NH 111A / Nashua Rd. (42.73399, -71.32318)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.1079	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Washington, MI Macomb Co. United States	Van Dyke Ave. / Campground Rd. (42.73402, -83.03617)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	https://www.youtube.com/watch?v=tFHwV5OfDwc
Orion, MI Oakland Co. United States	Baldwin Rd. / Waldon Rd. (42.73619, -83.30805)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, unspecified)	2020
Racine, WI Racine Co. United States	Northwestern Ave. / Albert St. / W High St. (42.73721, -87.80717)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.7197	Other (At-Grade) Single-Lane	2016	Replaced two offset T-intersections. ICD estimated from Google Maps linework.
Nashua, NH Hillsborough Co. United States	Main St. / Daniel Webster Hwy (42.73881, -71.45826)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.4557	Other (At-Grade) Single-Lane	2003	Located near Rivier College, 1/4 mile north of Exit 3 of the Everett Turnpike. ICD estimated from Google Maps linework.
Latham, NY Albany Co. United States	Old Wolf Rd. / Old Niskayuna Rd. (42.73882, -73.79072)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8241	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Oakland Township, MI Oakland Co. United States	Adams Rd. / Gunn Rd. (42.73932, -83.19683)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019
Independence, MI Oakland Co. United States	Knob Hill Circle (42.73975, -83.37107)	Unknown Existing	Unknown Unknown	3 Approaches 0 Driveways 21.3360	Other (At-Grade) Single-Lane
Platteville, WI Grant Co. United States	N Water St. / E Madison St. (42.74037, -90.46891)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.3320	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Vrabnitsa, Sofia City Sofia Bulgaria	bulevard Lomsko shose / ulitsa Ostrov (42.74044, 23.28740)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)		Metro station above roundabout.
Meridian Township, MI Ingham Co. United States	Park Lake Rd. / Burcham Dr. (42.74077, -84.44757)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8232	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Kansasville, WI Racine Co. United States	STH 20 / STH 75 / CTH S (42.74191, -88.11098)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7169	Other (At-Grade) Single-Lane	2014	Rural, high-speed approaches. ICD estimated from Google Maps linework.
Yorkville, WI Racine Co. United States	US 45 / STH 20 (Washington Ave.) / N Colony Ave. (42.74216, -88.05209)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.8396	Other (At-Grade) Single-Lane	2010	Opened November 2010. ICD estimated from Google Maps linework.
Grand Ledge, MI Eaton Co. United States	M-43 (E Grand Ledge Hwy.) / (school access road) (42.74365, -84.75917)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.fox47news.com/neighborhoods/delta-township-grand-ledge/grand-ledge-public-schools-roundabout-project-on-m-43-is-complete
Latham, NY Albany Co. United States	Latham Circle: Rte 2 / Rte 9 (42.74810, -73.76098)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 76.2000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2002
St Thomas, ON Elgin Canada	Southdale Line / Fairview Rd. (42.74922, -81.16651)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2021	https://www.facebook.com/cityofstthomas/photos/a.3739568726131579/3992567457498370
St Thomas, ON Elgin Canada	Southdale Line / Lake Margaret Trl. (42.74945, -81.17914)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.8515	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Janesville, WI Rock Co. United States	N Harmony Town Hall Rd. / STH 26 NB Ramps (42.75114, -88.95416)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2012	Interchange replaced single at-grade two-way stop-controlled intersection.
Hamburg, NY Erie Co. United States	US 62 (S Park Ave.) / Sowles Rd. (42.75150, -78.82474)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.8340	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
St Thomas, ON Elgin Canada	Southgate Pkwy. / Fairview Ave. (42.75327, -81.16695)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2021	https://london.ctvnews.ca/the-most-famous-st-thomas-ont-native-you-ve-likely-never-heard-of-1.5629790
St Thomas, ON Elgin Canada	Southgagte Pkwy. / Carolina Crescent / Peach Tree Blvd. (42.75327, -81.15804)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.0000	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2009-2013).
Janesville, WI Rock Co. United States	N Harmony Town Hall Rd. / STH 26 SB Ramps (42.75331, -88.95426)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2012	Interchange replaced single at-grade two-way stop-controlled intersection.
St Thomas, ON Elgin Canada	Southgate Pkwy. / Penhale Ave. (42.75348, -81.16312)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.0000	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2001-2006).
Guilderland, NY Albany Co. United States	Rte 146 (Carman Rd.) / Lydius St. (42.75479, -73.94366)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2022	Skewed intersection. https://www.timesunion.com/news/article/Guilderland-roundabout-work-to-start-Sept-6-17410914.php
Delta Township, MI Eaton Co. United States	Willow Hwy. / Canal Rd. (42.75553, -84.66173)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 33.3239	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Nashua, NH Hillsborough Co. United States	SR 130 (Broad St.) / Coburn Ave. / Chuck Drudging Dr. (42.75617, -71.51653)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.0619	Other (At-Grade) Single-Lane	2002	Entrance to north high school, very heavy traffic in AM peak. ICD estimated from Google Maps linework.
Caledonia, WI Racine Co. United States	STH 38 / CTH K (Northwestern Ave.) (42.75957, -87.86417)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.9524	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Opened November 2007. Right-turn bypass lane. ICD estimated from Google Maps linework.
Rotterdam, NY Schenectady Co. United States	Rte 146 (Carman Rd.) / I-890 SB Ramps (42.76055, -73.94206)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Freeway Ramps (Grade-Separated) Single-Lane	2022	Merging right-turn bypass lane on south leg. https://www.news10.com/news/albany-county/road-work-begins-to-upgrade-route-146-intersections/
Lansing Township, MI Ingham Co. United States	Lake Lansing Rd. / Chamberlain Dr. (42.76086, -84.52982)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 56.9966	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Lansing Township, MI Ingham Co. United States	Wood St. / Sams Way (42.76276, -84.52303)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.5810	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Schenectady, NY Schenectady Co. United States	Curry Rd. / Carman Rd. / Hamburg St. (42.76513, -73.93874)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.2100	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Independence, MI Oakland Co. United States	S Baldwin Rd, / Clarkston Rd. / W Clarkston Rd. (42.76543, -83.31409)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2024	Elliptical shaped. Opened August 2024. https://www.rcocweb.org/675/Baldwin-RoadClarkston-Road-Roundabout-Op
Colonie, NY Albany Co. United States	Johnson Rd. / Boght Rd. / St. Agnes Hwy (42.76550, -73.73207)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.6881	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
East Aurora, NY Erie Co. United States	Rte 20A / Rte 78 (42.76773, -78.62917)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 38.1000	Other (At-Grade) Single-Lane	2009	Converted from rotary.
Milton, WI Rock Co. United States	STH 59 / CTH M (42.76886, -88.91364)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.5632	Other (At-Grade) Single-Lane	2009	Opened October 2009. ICD estimated from Google Maps linework.
Milton, WI Rock Co. United States	STH 59 / STH 26 NB Ramps (42.76902, -88.92310)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2009	Opened October 2009.
Salem, NH Rockingham Co. United States	Tuscan Blvd. / S Village Dr. (42.76904, -71.22519)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2020	In a mixed-use development called Tuscan Village.
Milton, WI Rock Co. United States	STH 59 / STH 26 SB Ramps (42.76911, -88.92484)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2009	Opened October 2009.
Salem, NH Rockingham Co. United States	Tuscan Blvd. / (unknown) (42.77007, -71.22693)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2020	In a mixed-use development called Tuscan Village.
Salem, NH Rockingham Co. United States	Via Toscana / S Village Dr. (42.77099, -71.22354)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2020	In a mixed-use development called Tuscan Village.
Salem, NH Rockingham Co. United States	Tuscan Blvd. / Artisan Dr. (42.77110, -71.22775)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2020	In a mixed-use development called Tuscan Village.
Hamburg, NY Erie Co. United States	US 62 (S. Park Ave.) / Big Tree Rd. (42.77190, -78.82391)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.3151	Other (At-Grade) Single-Lane	2011	Fatal crash Oct 28, 2011. 11861-05. ICD estimated from Google Maps linework.
St Thomas, ON Elgin Canada	Wellington St. / Manor Rd. (42.77450, -81.15594)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2016
Orion Township, MI Oakland Co. United States	Orion Rd. / Stoney Creek Rd. (42.77560, -83.22117)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.youtube.com/watch?v=SCHUqTp-aNI
Cohoes, NY Albany Co. United States	Preston Dr. / Stacey Ct. (42.77582, -73.74557)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2015).
Nakhodka, Primorye Nakhodka Russia	ulitsa Pirogova / Sportivnaya ulitsa (42.77908, 132.85609)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Vermillion, SD Clay Co. United States	Rockwell Trl. / Joplin St. (42.78285, -96.95270)	Other Existing	Unknown None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2014	No splitter islands. Year Completed estimated (2013-2015).
St Thomas, ON Elgin Canada	Sunset Dr. / Talbot Hill / Wellington Rd. (42.78327, -81.21434)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.3338	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Sculpture of a train in central island. ICD estimated from Google Maps linework.
Orion, MI Oakland Co. United States	E Flint St. / Orion Rd. / Miller Rd. (42.78398, -83.23184)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island	2018
Orion Township, MI Oakland Co. United States	Baldwin Rd. / Indianwood Rd. / Coats Rd. (42.78413, -83.31979)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.0862	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	ICD estimated from Google Maps linework.
Hamburg, NY Erie Co. United States	Rte 179 / Gateway Blvd. / Rte 5 (Lake Shore Rd.) Ramps (42.79021, -78.84711)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 128.8386	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		Lane change required to go further than the next exit. ICD estimated from Google Maps linework.
Independence, MI Oakland Co. United States	Sashabaw Rd. / Oak Hill Rd. (42.79422, -83.37240)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2021	West leg is unpaved away from roundabout.
Niskayuna, NY Schenectady Co. United States	Rosendale Rd. / River Rd. (42.79650, -73.85496)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.0144	Other (At-Grade) Single-Lane	2020
Newburyport, MA Essex Co. United States	Newburyport Turnpike (US 1) / State St (42.79893, -70.87539)	Rotary Existing	All-Way Yield None	3 Approaches 5 Driveways 74.4880	Other (At-Grade) Multilane (2 Lane, unspecified)		No Ped facilities ICD estimated from Google Maps linework.
St Thomas, ON Elgin Canada	Burwell Rd. / Ponsford Pl. (42.80168, -81.16236)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2020	https://www.stthomas.ca/news/archived_news/burwell_road__ponsford_place_roundabout
Geneseo, NY Livingston Co. United States	Genesee St. / Court St. (42.80354, -77.82737)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://13wham.com/news/local/new-bridge-roundabout-in-geneseo-now-open-to-traffic
Fenton, MI Genesee Co. United States	North Rd. / Torrey Rd. / (gas station access) (42.80472, -83.72443)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.6687	Other (At-Grade) Single-Lane	2019	100-ft inscribed circle diameter. Opened November 2019. https://www.thelascopress.com/2019/11/fentons-first-roundabout-is-open-for-business/ . ICD estimated from Google Maps linework.
Gaines Township, MI Kent Co. United States	84th St. SE / Kalamazoo Ave. SE (42.81188, -85.62476)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.mlive.com/news/grand-rapids/2023/08/roundabout-the-first-of-its-kind-in-kent-county-opens-ahead-of-schedule.html.
Byron Center, MI Kent Co. United States	84th St. SE / Kalamazoo Ave. SE (42.81191, -85.62478)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.mlive.com/news/grand-rapids/2023/08/roundabout-the-first-of-its-kind-in-kent-county-opens-ahead-of-schedule.html
Zeeland, MI Ottawa Co. United States	W Main Ave. / Washington Ave. (42.81237, -86.03303)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.5501	Other (At-Grade) Single-Lane	2019	https://www.hollandsentinel.com/news/20191123/zeeland-roundabout-now-open ICD estimated from Google Maps linework.
Holland, MI Ottawa Co. United States	Westshore Mall / (parking) (42.81319, -86.08626)	Other Existing	Unknown None	3 Approaches 0 Driveways 26.8221	Other (At-Grade) Single-Lane	2021	Entrance to The Shops at Westshore shopping mall
China, MI St. Clair Co. United States	Fred W Moore Hwy. / Wadhams Rd. (42.81537, -82.55479)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2019-2022).
Lancaster, WI Grant Co. United States	US 61-STH 35 / STH 81 (42.81577, -90.68369)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2023
Merrimack, NH Hillsborough Co. United States	Spartan Way / Spartan Ln. (42.81991, -71.51026)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 48.1818	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	On campus of Fidelity Investments. ICD estimated from Google Maps linework.
Merrimack, NH Hillsborough Co. United States	Spartan Way / Digital Dr. (42.82118, -71.50855)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 46.4288	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	On campus of Fidelity Investments. ICD estimated from Google Maps linework.
Nakhodka, Primorye Nakhodka Russia	Nakhodkinskiy prospekt / Proganichnaya ulitsa (42.82123, 132.88740)	Other Existing	Other Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Schenectady, NY Schenectady Co. United States	Erie Blvd. / Nott St. / Rush St. (42.82162, -73.93570)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	Year Completed estimated (2015-2016).
Buffalo, NY Erie Co. United States	Norfred Dr. (42.82391, -78.80598)	Other Existing	Unknown Unknown	2 Approaches 8 Driveways 0.0000	Other (At-Grade) Unknown
Nakhodka, Primorye Nakhodka Russia	Nakhodkinskiy prospekt / Shkol'naya ulitsa (42.82415, 132.89282)	Other Removed	Other Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Niskayuna, NY Schenectady Co. United States	Research Circle (River Rd. / Elm Ave. / Van Antwerp Rd.) (42.82561, -73.87882)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)
Hopkins-Tifft, NY Erie Co. United States	Botanical Dr. / McKinley Pkwy. (42.82812, -78.82460)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Casper, WY Natrona Co. United States	Jasper Dr. / Preserve Cir. (42.82867, -106.28915)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on three legs.
Norway, WI Racine Co. United States	Racine Ave. / Oakridge Dr. / S Loomis Rd. (42.82942, -88.15896)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.5395	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Casper, WY Natrona Co. United States	Rustic Dr. / Rustic Ct. / Rustic Pl. (42.82970, -106.28379)	Other Existing	Unknown Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Casper, WY Natrona Co. United States	Centennial Hills Blvd. / Waterford St. (42.83014, -106.26682)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2006). South leg added 2009-2012.
Whitewater, WI Walworth Co. United States	BUS 12-STH 59 (E Milwaukee St.-Elkhorn Rd.) / Bluff Rd. / Clay St. (42.83102, -88.71045)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.2833	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Opened October 2007. ICD estimated from Google Maps linework.
Newburyport, MA Essex Co. United States	Spofford St. / Merrimac St. / Moseley Ave. (42.83148, -70.90667)	Roundabout Existing	Other Unknown	4 Approaches 2 Driveways 30.4800	Other (At-Grade) Single-Lane	2013	Stop control at the crosswalk and painted splitter island on the western driveway leg. Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Lackawanna, NY Erie Co. United States	Dorrance Ave. / S. Shore Blvd. / Ward Ct. (42.83199, -78.80859)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0345	Other (At-Grade) Single-Lane	2010	Restriped as single-lane roundabout. ICD estimated from Google Maps linework.
Lackawanna, NY Erie Co. United States	McKinley Pkwy. / Dorrance Ave. / Vincent Ave. (42.83200, -78.81520)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 30.6551	Other (At-Grade) Single-Lane	2010	Restriped as single-lane roundabout. ICD estimated from Google Maps linework.
Merrimac, MA Essex Co. United States	Main St (Rte 110) / Church St / School St (42.83371, -71.00250)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2015	aka Merrimac Square, off-street parking used on two quadrants
Fulton, WI Rock Co. United States	STH 59 / E Richardson Springs Rd. / N Goede Rd. (42.83490, -89.02549)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.3008	Other (At-Grade) Single-Lane	2016	Previously had I-39 NB Ramps attached; these have been relocated to new roundabout to the west of this roundabout. ICD estimated from Google Maps linework.
Fulton, WI Rock Co. United States	STH 59 / I-39 NB Ramps (42.83577, -89.02705)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.5420	Freeway Ramps (Grade-Separated) Single-Lane	2016	ICD estimated from Google Maps linework.
Fulton, WI Rock Co. United States	STH 59 / I-39 SB Ramps (42.83635, -89.02979)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.4238	Freeway Ramps (Grade-Separated) Single-Lane	2016	ICD estimated from Google Maps linework.
Nakhodka, Primorye Nakhodka Russia	Obkhodnaya magistral' (42.83658, 132.87868)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Buffalo, NY Erie Co. United States	Tifft St. / Rte 5 NB Ramps (42.83952, -78.85611)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.4029	Freeway Ramps (Grade-Separated) Single-Lane	2010	ICD estimated from Google Maps linework.
Bishkek, Bishkek Bishkek Kyrgyzstan	Shabdan Baatyr St. / Akhunbayev St. (42.84171, 74.63644)	Unknown Existing	Unknown None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Nakhodka, Primorye Nakhodka Russia	Nakhimovskiy prospekt / ulitsa Shevchenko / Pereval'naya ulitsa (42.84359, 132.91834)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lackawanna, NY Erie Co. United States	McKinley Pkwy. / Choate Ave. / Red Jacket Pkwy. (42.84436, -78.81496)	Other Existing	Unknown Unknown	5 Approaches 0 Driveways 138.3584	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Bishkek, Bishkek Kyrgyzstan	(unknown) (42.84452, 74.52832)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Schenectady, NY Schenectady Co. United States	Balltown Rd. / Aqueduct Rd. / Williams St. (42.84861, -73.88891)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 51.6619	Other (At-Grade) Single-Lane	2016	Scheduled to be converted to 2 lanes in Dec. 2017. ICD estimated from Google Maps linework.
Tillsonburg, ON Oxford Canada	Vienna Rd. (Hwy 19) / Talbot Rd. (Hwy 3) (42.84913, -80.72222)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.5272	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2013-2016). ICD estimated from Google Maps linework.
Columbus, MI St. Clair Co. United States	Gratiot Ave. / Palms Rd. (42.85156, -82.63709)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.thetimesherald.com/story/news/2021/09/29/roundabout-palms-gratiot-open-traffic-week-columbus-twp/5913286001/
Whitewater, WI Jefferson Co. United States	Burr Oak Trl. / (unknown) (42.85222, -88.74105)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.7695	Other (At-Grade) Single-Lane	2007	Opened November 2007. Functional Class: Local ICD estimated from Google Maps linework.