Roundabouts Database Index

29483 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
North Lincoln Street, MA Worcester Co. United States	Lincoln St. (Rte 70) / Boylston St. (Rte 70) / Benson Ave. (42.29801, -71.76636)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.7526	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Millbury, MA Worcester Co. United States	Main St / Elmwood St / Elm St / Faron Cir / Rte 146 Ramps (42.18731, -71.76704)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 33.6278	Freeway Ramps (Grade-Separated) Single-Lane	2018	ICD estimated from Google Maps linework.
Union Hill, MA Worcester Co. United States	Grafton St (Rte 122) / Hamilton St / Orient St (42.25577, -71.78528)	Traffic Calming Circle Existing	Other None	4 Approaches 2 Driveways 24.7515	Other (At-Grade) Single-Lane		Control Type: Grafton EB free flow, Grafton WB and Hamilton yield controlled, Orient St is stop controlled. Grafton St is Major road in terms of control type. On-street parking on the circular roadway. Wide lanes, limited pavement markings. Crosswalks present. Downtown and residential context. ICD estimated from Google Maps linework.
Saint-Gédéon, QC Lac-St-Jean-Est Canada	Rte 170 / Rang de la Belle-Rivière / Rue de Quen (48.47879, -71.79000)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.7941	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Worcester, MA Worcester Co. United States	Washington Sq (Front St. / Summer St.) (42.26201, -71.79451)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.0337	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Rotary Retrofit completed in 2007 or 2008. ICD estimated from Google Maps linework.
Green Island, MA Worcester Co. United States	Kelley Square [Vernon St. / Water St. / Madison St. / Harding St.] (42.25509, -71.79785)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2021	Peanut shaped. https://www.wbjournal.com/article/data-shows-fewer-kelley-square-crashes-since-peanut-redesign
Fitchburg, MA Worcester Co. United States	Rindge Rd. / John Fitch Hwy / Mechanic St. (Rte 31) / Ashby State Rd. (Rte 31) (42.60170, -71.80156)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8900	Other (At-Grade) Single-Lane	2010	RTYL ICD estimated from Google Maps linework.
Worcester, MA Worcester Co. United States	Arwick Ave. / Millbury St. / Olde Millbury St. (42.24747, -71.80182)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2020	https://spectrumnews1.com/ma/worcester/news/2020/07/25/mini-roundabout-worcester
Fitchburg, MA Worcester Co. United States	Main St. / River St. (42.58718, -71.80861)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 13.1898	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	https://www.sentinelandenterprise.com/2017/05/22/roundabout-at-main-and-river-in-fitchburg-could-see-revisions/ ICD estimated from Google Maps linework.
Fitchburg, MA Worcester Co. United States	Electric Ave. / Rollstone Rd. / Rollstone St. (42.56713, -71.81346)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 17.5921	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	https://www.sentinelandenterprise.com/2017/04/29/work-on-roundabout-at-rollstone-road-and-electric-ave-in-fitchburg-begins-monday-will-require-detour/ ICD estimated from Google Maps linework.
Fitchburg, MA Worcester Co. United States	River St (Rte 2A, 31) / Kimball St (Rte 12) / Daniels St (42.58252, -71.81891)	Traffic Calming Circle Existing	Other Unknown	4 Approaches 2 Driveways 32.5374	Other (At-Grade) Single-Lane		Control Type; All way Yield, except for Daniel St. A crosswalk over River St is missing. River St WB has a large median, no crosswalk utilizing it. Industrial mixed-use context. ICD estimated from Google Maps linework.
Sherbrooke, QC Sherbrooke Canada	Route 112 / Autoroute 610 (45.42954, -71.82424)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 56.9951	Freeway Ramps (Grade-Separated) Single-Lane	2011	Free-flowing right-turn bypass lanes on all legs. Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
Worcester, MA Worcester Co. United States	Highland St / June St / Pleasant St / Newton Ave (42.26980, -71.82529)	Traffic Calming Circle Existing	Other Unknown	5 Approaches 0 Driveways 31.8163	Other (At-Grade) Single-Lane		Control type: 2 way stop, 3 way yield. remarkable: stop bar June St on circular roadway, after CW. Geometry is wide enough for two lanes although 4 out of 5 exits are single lane. Crosswalks present. New pavement markings crosswalk in approx. 2015. Residential contexts. Traffic Circle next to large neighborhood park. Two bus lines with bus 5 bus stops within 100 ft of the traffic circle. ICD estimated from Google Maps linework.
Worcester, MA Worcester Co. United States	Lovell St / Marywood St / Englewood Ave / Ferdinand St (42.25439, -71.83255)	Traffic Calming Circle Existing	Other None	5 Approaches 0 Driveways 24.7521	Other (At-Grade) Single-Lane		Control Type: 2 yield Lovell St; Other 3 approaches stop controlled. Some pavement markings to define circular roadway (arrows, dotted lines) and create 'splitter islands' on the approaches from Englewood Ave, Ferdinand St; Lovell NB. Crosswalks present. Residential area; local shop and laundromat at the roundabout. ICD estimated from Google Maps linework.
Warner, NH Merrimack Co. United States	Rte 103 / (shopping center parking) / (service station) (43.28882, -71.83340)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.5582	Other (At-Grade) Single-Lane	2016	https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/nh_roundabouts_list_details_web_version.pdf ICD estimated from Google Maps linework.
Lennoxville, QC Sherbrooke Canada	Rte 108 (Rue College) / Chemin Glenday (45.36727, -71.83398)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.6325	Other (At-Grade) Single-Lane	2019	ICD estimated from Google Maps linework.
Lennoxville, QC Sherbrooke Canada	Rte 108 / Autoroute 410 WB Onramp (45.35581, -71.86037)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 0 Driveways 52.8732	Freeway Ramps (Grade-Separated) Single-Lane	2011	Future third approach (off-ramp) stubbed. ICD estimated from Google Maps linework.
North Stonington, CT New London Co. United States	Rte 2 / Rte 184 (41.42439, -71.86039)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 103.6320	Other (At-Grade) Single-Lane		Yield signs added 1999?
Lennoxville, QC Sherbrooke Canada	Rte 108 / Autoroute 410 EB Offramp (45.35401, -71.86207)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 52.8749	Freeway Ramps (Grade-Separated) Single-Lane	2011	Fourth leg (future on-ramp) stubbed. ICD estimated from Google Maps linework.
Waterville, QC Coaticook Regional County Municipality Canada	Route Gilbert-Hyatt (Rte 108-Rte 143) / Rte 147 (45.34374, -71.86662)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.6507	Other (At-Grade) Single-Lane	2011	Year Completed based on Streetview. ICD estimated from Google Maps linework.
Sherbrooke, QC Sherbrooke Canada	Rue James-Quintin / Rue Ida-Métivier / Rue Maximilien-Chagnon (45.44458, -71.86999)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 51.9523	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2004-2009). ICD estimated from Google Maps linework.
Sherbrooke, QC Sherbrooke Canada	Rue James-Quintin / (unknown) / (parking lot) (45.44661, -71.87316)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2019).
Hatley Canton, QC Memphrémagog Regional County Municipality Canada	Rue Belvédère / Autoroute 410 EB Ramps (45.35780, -71.89470)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.4437	Freeway Ramps (Grade-Separated) Single-Lane	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Sherbrooke, QC Sherbrooke Canada	Rue Terrill / Rue des Grandes-Fourches N (45.40783, -71.89476)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2023	Previous control type was a grade-separated interchange. https://www.sherbrookerecord.com/new-grandes-fourches-bridge-opens-in-sherbrooke/
Hatley Canton, QC Memphrémagog Regional County Municipality Canada	Rue Belvédère / Autoroute 410 WB Ramps (45.36010, -71.89496)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.9597	Freeway Ramps (Grade-Separated) Single-Lane	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Peterborough, NH Hillsborough Co. United States	Old Street Rd. / Parmalee Dr. / Monadnock Community Hospital entrance (42.89272, -71.93790)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.3750	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Peterborough, NH Hillsborough Co. United States	Monadnock Community Hospital entrance / parking areas (42.89412, -71.93811)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.3743	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Wanchaq, Cusco Province of Cusco Peru	Calle República del Perú / Prolongacion Avenida Túpac Amaru (-13.52962, -71.94065)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown		Parking along circulatory roadway.
Sherbrooke, QC Sherbrooke Canada	Rue Jean-de la Fontaine / Rue Émile-Zola (45.41384, -71.94202)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2004-2009).
Sherbrooke, QC Sherbrooke Canada	Chemin de Ste-Catherine (Rte 216) / Rue Labbé / Rue Felton (45.34917, -71.95487)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.2891	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
Wanchaq, Cusco Province of Cusco Peru	Óvalo Libertadores (-13.53311, -71.95531)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Peterborough, NH Hillsborough Co. United States	NH 101 / Shaw's Plaza entrance (42.87519, -71.96153)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 28.0080	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Wanchaq, Cusco Province of Cusco Peru	Ovalo Garcilaso (-13.52104, -71.96746)	Other Existing	Other Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)		Stop control on circulatory roadway.
Wanchaq, Cusco Province of Cusco Peru	Ovalo de Pachacutec (-13.53178, -71.96825)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Sherbrooke, QC Sherbrooke Canada	Chemin de Ste-Catherine (Rte 216) / Chemin St-Roch (45.33304, -71.97867)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.3381	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
Gardner, MA Worcester Co. United States	Rte 2 Ramps / Pearson Blvd (42.56420, -71.97920)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 137.2249	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Sherbrooke, QC Sherbrooke Canada	Boulevard Industriel / Boulevard de Portland / Boulevard René-Lévesque (45.39569, -71.98464)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.5133	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	Grade-separated path for pedestrians and bicyclists: https://translate.google.com/translate?hl=en&sl=fr&u=https://www.ville.sherbrooke.qc.ca/salle-de-presse/actualites/dossiers-municipaux/prolongement-du-boulevard-de-portland/ Connected to Boulevard René-Lévesque in 2018: https://translate.google.com/translate?hl=en&sl=fr&u=https://www.ville.sherbrooke.qc.ca/salle-de-presse/actualites/dossiers-municipaux/construction-du-boulevard-rene-levesque ICD estimated from Google Maps linework.
Gardner, MA Worcester Co. United States	Timpany Blvd (Rte 68) / Rte 2 (42.56665, -71.99296)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 140.7379	Freeway Ramps (Grade-Separated) Single-Lane		Crosswalks present ICD estimated from Google Maps linework.
Sherbrooke, QC Sherbrooke Canada	Boulevard René-Lévesque / Rue Sainte Claire / Rue Magnelli (45.38799, -71.99469)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018
Sherbrooke, QC Sherbrooke Canada	Boulevard René-Lévesque / Rue Matisse / Rue Luce-Dufresne (45.38324, -71.99812)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018
Sherbrooke, QC Sherbrooke Canada	Rue Henri-Labonne / Boulevard René-Lévesque (45.37523, -71.99868)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 27.6860	Other (At-Grade) Single-Lane	2018	https://translate.google.com/translate?hl=en&sl=fr&u=https://www.ville.sherbrooke.qc.ca/salle-de-presse/actualites/dossiers-municipaux/construction-du-boulevard-rene-levesque/ shows 2 other roundabouts on Boulevard René-Lévesque. ICD estimated from Google Maps linework.
New London, NH Merrimack Co. United States	Newport Rd. / County Rd. (43.42280, -72.00003)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.4930	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Norwich, CT New London Co. United States	Main St. / Franklin St. (41.52462, -72.07476)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	Opened September 17, 2021. https://www.theday.com/article/20210917/NWS01/210919500
New London, CT New London Co. United States	Shaw St. / Pequot Ave. / Nameaug St. / Driveway to Pfizer (41.34204, -72.09873)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.8671	Other (At-Grade) Single-Lane	2000	Functional Class: Collector ICD estimated from Google Maps linework.
New London, CT New London Co. United States	Shaw St. / Howard St. / Willets Ave. (41.34284, -72.09972)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.9700	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
New London, CT New London Co. United States	Lincoln Ave. / Colver St. (41.35554, -72.11288)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Newport, NH Sullivan Co. United States	Rte 10 / Rte 11 (43.36506, -72.17355)	Other Existing	Unknown Unknown	0 Approaches 0 Driveways 30.3894	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Athol, MA Worcester Co. United States	Market Rd. / Tower Rd. / Reservoir Dr. (42.58053, -72.18775)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2014	no crosswalks, commercial center
East Hampton, NY Suffolk Co. United States	East Hampton Sag Harbor Tpke (Hwy 114) / Toilsome Ln. (40.96028, -72.20192)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 19.8421	Other (At-Grade) Single-Lane	2018	Aug 2018 Streetview shows construction almost complete. ICD estimated from Google Maps linework.
Magog, QC Memphrémagog Regional County Municipality Canada	Rte 112 / Rte 10 EB Onramp / Chemin Milletta (45.29072, -72.20692)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 44.5318	Freeway Ramps (Grade-Separated) Single-Lane	2009	Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Magog, QC Memphrémagog Regional County Municipality Canada	Rue Principale O (Rte 112) / Chemin du Mont Orford (Rte 141) / Rte 10 WB Onramp (45.29438, -72.20914)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.4879	Freeway Ramps (Grade-Separated) Single-Lane	2009	Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Willimantic, CT Windham Co. United States	Eastern Rd. / (driveway) (ECSU Campus by clock tower) (41.72001, -72.21691)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 24.0693	Other (At-Grade) Single-Lane	1999	Not properly signed and painted, but lots of potential for demonstrating this intersection concept. ICD estimated from Google Maps linework.
Niantic, CT New London Co. United States	(Rocky Neck State Park entrance) (41.31555, -72.24149)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Storrs, CT Tolland Co. United States	Hillside Rd. / Alumni Dr. (41.80824, -72.25809)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	On campus of University of Connecticut.
Swanzey, NH Cheshire Co. United States	Monadnock Hwy (Hwy 12) / Lake St. / Swanzey Factory Rd. (42.90817, -72.25933)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.6156	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Salem, CT New London Co. United States	Rte 85 (Hartford Rd.-New London Rd.) / Rte 82 (E Haddam Rd.-Norwich Rd.) (41.47662, -72.26473)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.1084	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Hanover, NH Grafton Co. United States	NH 10 (Lyme Rd.) / (no intersecting street) (43.72763, -72.26868)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2006
Hanover, NH Grafton Co. United States	Lyme Rd. (NH 10) / Reservoir Rd. (43.71814, -72.27405)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 35.3912	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Keene, NH Cheshire Co. United States	Main St. / Winchester St. / Marlboro St. (42.92849, -72.27757)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.2307	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Functional Class: Arterial ICD estimated from Google Maps linework.
Swanzey, NH Cheshire Co. United States	Old Homestead Hwy. (NH 32) / Sawyer's Crossing Rd. (42.87428, -72.28155)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/roundabout-pho-swanzey40485.pdf
Keene, NH Cheshire Co. United States	Winchester St. / Pearl St. / Island St. / (parking) (42.92674, -72.28771)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	Combined 3 intersections: one all-way stop, one one-way stop; one one-way yield. https://www.keenewinchesterstreet.com/
Keene, NH Cheshire Co. United States	Winchester St. / Key Rd. / (parking) (42.92459, -72.28941)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2023	https://www.keenewinchesterstreet.com/
Keene, NH Cheshire Co. United States	Court St. / Allen Ct. / Cheshire Medical Center entrance (42.94991, -72.29057)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.2257	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Keene, NH Cheshire Co. United States	Rte. 101 / Winchester St. (42.92247, -72.29079)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 59.4713	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Functional Class: Arterial ICD estimated from Google Maps linework.
Stafford Springs, CT Tolland Co. United States	Rte 32 / Rte 190 (41.95362, -72.30314)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 18.6523	Other (At-Grade) Multilane (2 Lane, unspecified)	1890	Believed by some to be improperly signed and painted, though some roundabout features have been added in the past 10 years. Near railroad crossing. Year Completed estimated (1890?). ICD estimated from Google Maps linework.
Keene, NH Cheshire Co. United States	NH 12A (Maple Ave.) / Court St. / Old Walpole Rd. (42.96305, -72.30895)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.7161	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Keene, NH Cheshire Co. United States	Rte 9 / Base Hill Rd. (42.92477, -72.31239)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.7273	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
North Haven, NY Suffolk Co. United States	Tyndall Road / Rte. 114 (Ferry Rd.) (41.01303, -72.31309)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.2334	Other (At-Grade) Single-Lane	2001	Replaced a dangerous 2-way stop. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Water Mill, NY Suffolk Co. United States	Scuttlehole Rd. / Mitchells Ln. (40.95021, -72.32856)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 26.1595	Other (At-Grade) Single-Lane	2005	Year completed estimated (2004-2006). ICD estimated from Google Maps linework.
White River Junction, VT Windsor Co. United States	Sykes Mountain Ave. / Ralph Lehman Dr. (43.64620, -72.33411)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2021	https://www.vnews.com/Hartford-prepares-to-use-Route-5-roundabout-40112771
White River Junction, VT Windsor Co. United States	US 5 / Sykes Mountain Ave. / (parking) (43.64694, -72.33556)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2021	https://www.vnews.com/Hartford-prepares-to-use-Route-5-roundabout-40112771
Stafford Springs, CT Tolland Co. United States	W Stafford Rd. (Rte 190) / Orcuttville Rd. (Rte 319) (41.97141, -72.33620)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020
Coventry, CT Tolland Co. United States	Daly Rd. / South St. (41.76721, -72.33688)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.9424	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Claremont, NH Sullivan Co. United States	Main St. / Broad St. / Tremont St. / Sullivan St. (43.37272, -72.33808)	Other Existing	Other Unknown	0 Approaches 0 Driveways 32.1219	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Shelter Island, NY Suffolk Co. United States	Rte 114 / Bateman Rd. / School St. (41.06829, -72.33887)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.8096	Other (At-Grade) Single-Lane	2010	Converted from old traffic circle. ICD estimated from Google Maps linework.
Barre, VT Washington Co. United States	E Barre Rd. (US 302) / Mill St. (VT 110) / Cobble Hill Rd. (44.16088, -72.44848)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.2718	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Drummondville, QC Drummond Regional County Municipality Canada	Rue du Pont / Rue Montplaisir / Chemin Hemming / Boulevard Saint-Charles (45.88839, -72.48190)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4336	Other (At-Grade) Single-Lane	2013	https://translate.google.com/translate?hl=en&sl=fr&u=https://www.journalexpress.ca/2013/11/01/le-carrefour-giratoire-est-maintenant-ouvert/&prev=search ICD estimated from Google Maps linework.
Ellington, CT Tolland Co. United States	Windsorville Rd. / Wappington Rd. / Skinner Rd. / Pinney St. (41.86738, -72.49265)	Roundabout Existing	All-Way Yield None	5 Approaches 1 Driveways 40.9127	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
East Longmeadow, MA Hampden Co. United States	Center Square (Maple St. / Shaker Rd. / Prospect St. / Somers Rd. / Pleasant St. / Elm St. / N Main St.) (42.06482, -72.51288)	Other Existing	Other Unknown	7 Approaches 0 Driveways 31.0329	Other (At-Grade) Single-Lane		Seven way intersection. Mixture of stop signs and yield, including yields within the circle. Appeared in Ripley's Believe It or Not: https://www.thehotiron.com/index.php/site/comments/wisconsin_roundabouts_to_a_native_massachusetts_rotary_driver ICD estimated from Google Maps linework.
Amherst, MA Hampshire Co. United States	E Pleasant St / Triangle St (42.38156, -72.51932)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.3487	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Amherst, MA Hampshire Co. United States	Rte 116 (West St.) / Pomeroy Ln. / W Pomeroy Ln. (42.34000, -72.52016)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2023	https://www.gazettenet.com/Amherst-road-projects-starting-Monday-50879230
Amherst, MA Hampshire Co. United States	Bay Rd / West St (Rte 116) (42.31938, -72.52627)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 51.2193	Other (At-Grade) Single-Lane	2011	Side-by-side roundabouts replacing two T-intersections ICD estimated from Google Maps linework.
Amherst, MA Hampshire Co. United States	Pleasant St / Governors Dr / Eastman Ln (42.39522, -72.52693)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7529	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Amherst, MA Hampshire Co. United States	West St (Rte 116) / W Bay Rd (42.31886, -72.52762)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.9211	Other (At-Grade) Single-Lane	2011	Side-by-side roundabouts replacing two T-intersections ICD estimated from Google Maps linework.
Amherst, MA Hampshire Co. United States	University Dr. / Fearing St. / (parking) (42.38077, -72.53192)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.4317	Other (At-Grade) Single-lane w/ Traversable Central Island	2020	Serves University of Massachusetts Parking Lot 21.
Montpelier, VT Washington Co. United States	US 2 (E Montpelier Rd.) / US 302 (River St.) (44.24660, -72.54959)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 2 Driveways 35.0775	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Trois-Rivières, QC Trois-Rivieres Canada	Boulevard de la Commune / Rue Royale / Boulevard Gene-H-Kruger (46.33325, -72.55133)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 89.8857	Other (At-Grade) Multilane (2 Lane, unspecified)		Park in central island. ICD estimated from Google Maps linework.
Madison, CT New Haven Co. United States	Hammonasset Connector / Hammonasset Point / Hammonasset State Park (41.26244, -72.55477)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 91.4400	Other (At-Grade) Multilane (3+ Lane)	1990
South Windsor, CT Hartford Co. United States	Hemlock Ave. / Evergreen Way (41.81417, -72.55495)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.3975	Other (At-Grade) Single-Lane	2004	Roundabout is part of The Shops at Evergreen Walk retail center. ICD estimated from Google Maps linework.
Brattleboro, VT Windham Co. United States	Rte 9 / Rte 5 (42.88500, -72.55670)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Multilane (2 Lane, 2x2 max)	1999	Adjacent to I-89. Heavy truck volume (>7%).
Killingworth, CT Middledex Co. United States	Rte. 80 / Rte. 81 (41.35801, -72.56517)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	1997	First rotary modification in Connecticut. 21442
Longmeadow, MA Hampden Co. United States	E Greenwich Rd. / Normandy Rd. (42.06791, -72.56661)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Springfield, MA Hampden Co. United States	Walnut St. / Alden St. / Hancock St. / Ashley St. (42.10143, -72.56719)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2020	https://www.wwlp.com/news/local-news/hampden-county/six-corners-roundabout-project-completed-more-than-a-year-later/
Trois-Rivières, QC Trois-Rivieres Canada	Boulevard Laviolette / Boulevard des Récollets (46.36018, -72.56988)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 80.7749	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	Converted rotary. Initial conversion estimated (2003-2007). Striping refinements 2013-2016. ICD estimated from Google Maps linework.
Montpelier, VT Washington Co. United States	Keck Circle (Main St. / Spring St.) (44.26283, -72.57178)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.6594	Other (At-Grade) Single-Lane	1995	Main Street Middle School located one block NE of roundabout. ICD estimated from Google Maps linework.
Trois-Rivières, QC Trois-Rivieres Canada	Boulevard des Athlètes / Boulevard Arthur-Rousseau / Autoroute 55 SB Ramps (46.31702, -72.58442)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.2672	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2014	https://portailconstructo.com/actualites/trois_rivieres_chantier_boulevard_arthur_rousseau_est_marche ICD estimated from Google Maps linework.
Trois-Rivières, QC Trois-Rivieres Canada	Boulevard des Athlètes / (unknown) (46.31626, -72.58552)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.1709	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016). One leg stubbed. ICD estimated from Google Maps linework.
Trois-Rivières, QC Trois-Rivieres Canada	Rue de Vitrines / Rue des Grandes-Marchés (46.31941, -72.58703)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 47.0163	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Agawam, MA Hampden Co. United States	Rte 57 / US 5 Ramps / River Rd. (42.08087, -72.58983)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 165.7625	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		Rotary restriped 2012-2013. ICD estimated from Google Maps linework.
Morristown, VT Lamoille Co. United States	VT 100 / VT 15 / (shopping center parking) (44.57684, -72.59465)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2014