Roundabouts Database Index

28782 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
Durham, NH Strafford Co. United States	Main St. / North Dr. (43.14065, -70.94124)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.5016	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Dover, NH Strafford Co. United States	Silver St. / Knox Marsh Rd. / Spaulding Turnpike WB Ramps (43.18845, -70.88652)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.3149	Freeway Ramps (Grade-Separated) Single-Lane	2016	ICD estimated from Google Maps linework.
Dover, NH Strafford Co. United States	US 4 (Boston Harbor Rd.) / Boston Harbor Rd. / Spur Rd. (43.12836, -70.84375)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2019
Rochester, NH Strafford Co. United States	Strafford Square: N Main St. / Washington St. / Walnut St. (43.30538, -70.98423)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	https://news.rochesternh.gov/city-of-rochester-prepares-to-open-strafford-square-roundabout-provides-update-to-motorists/
Dover, NH Strafford Co. United States	Pointe Pl. / (unknown) (43.17405, -70.85941)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2018).
Rochester, NH Strafford Co. United States	Little Falls Bridge Rd. / Marketplace Blvd. / (parking) (43.33343, -71.00977)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2016
Jørpeland, Rogaland Strand Norway	Rv13 (Ryfylkevegen) / Fylkesvei / Fiskåvegen (59.06479, 5.92251)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Strängnäs, Sodermanland County Strängnäs Sweden	Fårhusvägen / Traditionsgatan / Dammvägen / Läringsvägen (59.35901, 17.03017)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 16.4348	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Strängnäs, Sodermanland County Strängnäs Sweden	Kilenvägen / Larmvägen / Mariefredsvägen (59.34712, 17.03216)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 46.2773	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Strängnäs, Sodermanland County Strängnäs Sweden	Mariefredsvägen / Vretgränd / Nygatan / Botvidsgatan / Djäknegatan (59.37106, 17.03279)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways 46.2446	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Strängnäs, Sodermanland County Strängnäs Sweden	Kilenvägen / Gorsinge Ekensberg / Malmby Landsberga (59.34395, 17.03315)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 45.6726	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Strängnäs, Sodermanland County Strängnäs Sweden	Kilenvägen / Fårhusvägen (59.35820, 17.02709)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.0879	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Strängnäs, Sodermanland County Strängnäs Sweden	Södertäljevägen / Finningevägen (59.36704, 17.02447)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.1251	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Strängnäs, Sodermanland County Strängnäs Sweden	Källgatan / Nygatan (59.37585, 17.02523)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 21.2939	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Strängnäs, Sodermanland County Strängnäs Sweden	Kilenvägen / Visningsgatan (59.36020, 17.02610)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 22.5210	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Strängnäs, Sodermanland County Strängnäs Sweden	Eskilstunavägen / Regementsgatan / Hetig Karls väg / Kristinavägen (59.37712, 17.01993)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 33.4605	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Strängnäs, Sodermanland County Strängnäs Sweden	Södertäljevägen / Kleinvägen Ramps (59.36568, 17.02226)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.9490	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Strängnäs, Sodermanland County Strängnäs Sweden	Eskilstunavägen / Seminarievägen / Nygatan (59.37770, 17.02341)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 22.5094	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Strängnäs, Sodermanland County Strängnäs Sweden	Bondegatan / Södertäljevägen / Rådmandsgatan (59.37370, 17.02345)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.7711	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Strängnäs, Sodermanland County Strängnäs Sweden	Västerportsleden / Eskilstunavägen (59.37573, 17.00053)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.1543	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Euroa, VIC Strathbogie Australia	C312 (Tarcombe St) / Euroa Service Centre / M31 (Hume Freeway) SB Ramps (-36.74551, 145.59060)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Campbell River, BC Strathcona Canada	Hwy 19A (S Island Hwy) / Rockland Rd. (49.98338, -125.22371)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2020	https://www.campbellrivermirror.com/news/rockland-19a-roundabout-nears-completion/
Lakeland Ridge, AB Strathcona Canada	Crimson Dr. / Charlotte Way (53.54333, -113.27780)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.2263	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
(unincorporated), AB Strathcona Canada	Sherwood Dr. / Broadmoor Blvd. (53.51889, -113.31930)	Rotary Existing	Unknown Unknown	3 Approaches 0 Driveways 89.4723	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Campbell River, BC Strathcona Canada	Maryland Rd. / Willow Creek Rd. (49.95296, -125.21632)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.0000	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2005-2009).
(unincorporated), AB Strathcona Co. Canada	Salisbury Way / (future street) (53.51056, -113.29996)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.1197	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
(unincorporated), AB Strathcona Co. Canada	Jim Common Dr. N / Jim Common Dr. / Cranford Dr. (53.54636, -113.29019)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 63.1577	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
(unincorporated), AB Strathcona Co. Canada	Range Road 233 / Balmoral Way / Clubhouse Dr. (53.50231, -113.32021)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.4914	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
(unincorporated), AB Strathcona Co. Canada	Main Blvd. / Malvern Dr. (53.53747, -113.31741)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways 22.0034	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
(unincorporated), AB Strathcona Co. Canada	Main Blvd. / Marion Dr. (53.53732, -113.31010)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.7132	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
(unincorporated), AB Strathcona Co. Canada	Summerwood Blvd. / (unknown) (53.55987, -113.27155)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.5388	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2002-2008). ICD estimated from Google Maps linework.
(unincorporated), AB Strathcona Co. Canada	Summerwood Blvd. / Summercourt Way / Summerland Way (53.55976, -113.26688)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.8294	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
(unincorporated), AB Strathcona Co. Canada	Crimson Dr. / Campbell Dr. / Cranberry Way (53.55245, -113.27615)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.2528	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
(unincorporated), AB Strathcona Co. Canada	Festival Way / Festival Ln. (53.52632, -113.29936)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 26.2690	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
(unincorporated), AB Strathcona Co. Canada	Foxhaven Dr. / Foxhaven Way / Foxboro Dr. (53.52770, -113.25251)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.0084	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
(unincorporated), AB Strathcona Co. Canada	Palisades Way / (parking lot) (53.55476, -113.29823)	Roundabout Existing	All-Way Yield None	2 Approaches 1 Driveways 33.3463	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
(unincorporated), AB Strathcona Co. Canada	Aspen Trl. / Amberley Way (53.56170, -113.27985)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2014
(unincorporated), AB Strathcona Co. Canada	Bethel Way / Bison Way (53.55034, -113.30211)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2015
(unincorporated), AB Strathcona Co. Canada	Buckingham Dr. / Broadview Dr. (53.55028, -113.31260)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.7690	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Strathfield, NSW Strathfield Australia	Homebush Rd. / Albyn Rd. (-33.87902, 151.08581)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Strathfield, NSW Strathfield Australia	Albyn Rd. / Parsons Ave. (-33.87941, 151.08907)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Strömstad, Vastra Gotaland County Strömstad Sweden	Stationsvägen / E6 NB Ramps (59.02101, 11.23971)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Strömstad, Vastra Gotaland County Strömstad Sweden	Nordby / E6 SB Ramps (59.07612, 11.24541)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Strömstad, Vastra Gotaland County Strömstad Sweden	Nordby / E6 NB Ramps (59.07745, 11.25132)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Freeway Ramps (Grade-Separated) Single-Lane		Elliptical shaped.
(unincorporated), AB Sturgeon Co. Canada	Hwy 44 / Hwy 633 (53.65812, -113.80910)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 51.6666	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Radkersburg, Styria Südoststeiermark District Austria	B69 (Halbenrainer Straße - Stadtgrabenstraße) / L204 (Doktor-Kamniker Straße - Langgasse) (46.69124, 15.98790)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Woudsend, Friesland Súdwest-Fryslân Netherlands	N928 / N354 / Vosseleane (52.94217, 5.64699)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
IJpecolsga, Friesland Súdwest-Fryslân Netherlands	N928 / Nummer (52.93831, 5.61667)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
IJpecolsga, Friesland Súdwest-Fryslân Netherlands	Nummer / Indyk (52.94194, 5.62160)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lowestoft, England Suffolk United Kingdom	A1117 (Normanston Dr. - Peto Way) / A1114 (Normanston Dr.) / Peto Way / Fir Ln. (52.48274, 1.72750)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Lowestoft, England Suffolk United Kingdom	A1117 (Normanston Dr. - Bridge Rd.) / B1375 (Gorleston Rd.) (52.47855, 1.71622)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Sudbury, England Suffolk United Kingdom	A134 / B1115 (52.04713, 0.74534)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Sudbury, England Suffolk United Kingdom	B1115 / Aubrey Dr. / Church Field Rd. / (parking) (52.04843, 0.74729)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Sudbury, England Suffolk United Kingdom	A134 / Clemont Ave. (52.05214, 0.73087)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Long Melford, England Suffolk United Kingdom	A134 / A131 / B1064 (52.05585, 0.71535)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Suffolk, VA Suffolk City United States	Island Park Circle (36.84622, -76.46002)	Other Existing	Unknown Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		Pedestrian access to central island.
Suffolk, VA Suffolk City United States	Kings Grant Cir. / Queens Point Dr. (36.77752, -76.59713)	Other Existing	Unknown Unknown	3 Approaches 2 Driveways 0.0000	Other (At-Grade) Unknown		Pedestrian access to central island.
Suffolk, VA Suffolk City United States	Meadow View Blvd. / Meridian Pl. / Vineyard Pl. (36.85508, -76.46192)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		Pedestrian access to central island.
Suffolk, VA Suffolk City United States	Bridgeway Dr. (36.89212, -76.43387)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Suffolk, VA Suffolk City Co. United States	College Dr. / Harbour View Dr. / Armistead Rd. (36.89493, -76.43239)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 66.8605	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	https://www.clarknexsen.com/project/college-drive-roundabout-suffolk-va/. ICD estimated from Google Maps linework.
Southampton, NY Suffolk Co. United States	Collins Way / Roger's Way (40.84344, -72.64335)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.3684	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
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.
Boston, MA Suffolk Co. United States	Morrissey Blvd. / Neponset Ave. (Rte 3A) / Redfield St. / Gallivan Blvd. (Rte 203) / Walnut St. (42.28656, -71.04280)	Signalized Roundabout/Circle Existing	Signal None	6 Approaches 3 Driveways 499.9997	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)		ICD = 500 ft x 325 ft.
Brighton, MA Suffolk Co. United States	Beacon St / Soldiers Field Parkway / Parsons St / US 20 (42.35821, -71.16022)	Rotary Existing	Other None	5 Approaches 0 Driveways 147.3851	Other (At-Grade) Multilane (3+ Lane)		Lane redesign in approx. 2013 Pavement markings redone in approx. 2010. Control Type: mix of Signal, stop and yield signs. All approaches have their own treatment. ICD estimated from Google Maps linework.
East Boston, MA Suffolk Co. United States	Saratoga St / Boardman St / Ford St (42.38701, -71.00805)	Traffic Calming Circle Existing	Other None	4 Approaches 0 Driveways 25.5821	Other (At-Grade) Single-Lane		control type: Ford St and Boardman St all-way stop On-street parking on both sides. ICD estimated from Google Maps linework.
Boston, MA Suffolk Co. United States	Northern Ave / Massport Haul Rd / Fid Kennedy Rd (42.34767, -71.03621)	Traffic Calming Circle Existing	Other None	4 Approaches 1 Driveways 24.7154	Other (At-Grade) Single-Lane		New pavement markings (roundabout like) on approaches in June 2017. Control Type: 2 yield (Northern Ave), 1 stop Massport Haul Rd and 1 uncontrolled (stop sign is missing?) (Fid Kennedy Ave). ICD estimated from Google Maps linework.
Boston, MA Suffolk Co. United States	William J Day Blvd / Broadway (42.33584, -71.02402)	Rotary Existing	Uncontrolled None	3 Approaches 0 Driveways 19.4229	Other (At-Grade) Multilane (2 Lane, unspecified)		No pavement markings on circular roadway. On street parking on circular roadway. ICD estimated from Google Maps linework.
Boston, MA Suffolk Co. United States	Dominic J Bianculli Blvd / University Dr (42.31403, -71.04246)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 37.0930	Other (At-Grade) Single-Lane	2018	This rotary seems to have been demolished in 2016 and converted to a roundabout in 2018. ICD estimated from Google Maps linework.
Riverhead, NY Suffolk Co. United States	Osborn Ave. / Middle Rd. / Horton Ave. (40.93469, -72.69623)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2008).
Jamaica Plain, MA Suffolk Co. United States	Arborway / Prince St. / Pond St. (42.31339, -71.12175)	Rotary Existing	All-Way Yield Unknown	6 Approaches 0 Driveways 82.1352	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Jamaica Plain, MA Suffolk Co. United States	Heath Square Rotary (Heath St. / New Heath St. / Hensley St. / Parker St.) (42.32630, -71.10037)	Rotary Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 33.5538	Other (At-Grade) Single-Lane	2004	Converted to circular rotary from triangular intersection in 2004. ICD estimated from Google Maps linework.
Jamaica Plain, MA Suffolk Co. United States	Hyde Square Rotary (Centre St. / Perkins St. / Day St.) (42.32193, -71.10991)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.7255	Other (At-Grade) Single-Lane		Stop control on Day St. Reconfigured in 2018 but retains stop control on Day St. ICD estimated from Google Maps linework.
Jamaica Plain, MA Suffolk Co. United States	Arborway / Centre St. (42.30899, -71.12169)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 75.9583	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Boston, MA Suffolk Co. United States	Franklin Park Rotary (Morton St. / Arborway / Forest Hills Dr.) (42.30055, -71.10665)	Rotary Removed	All-Way Yield Unknown	4 Approaches 0 Driveways 78.6186	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	Replaced with signalized intersection. ICD estimated from Google Maps linework.
Huntington, NY Suffolk Co. United States	New York Ave. / Park Ave. / Creek Rd. (40.88273, -73.41970)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.4100	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Huntington, NY Suffolk Co. United States	New York Ave. / Grist Mill Ln. / CR 35 (40.88407, -73.41909)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.6034	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Middle Island, NY Suffolk Co. United States	Miller Place Yaphank Rd. / Whiskey Rd. (40.90476, -72.95687)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.4256	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Riverhead, NY Suffolk Co. United States	Quogue Riverhead Rd. / Old Riverhead Rd. (40.87822, -72.63782)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.7335	Other (At-Grade) Single-Lane	2012	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.
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.
Shirley, NY Suffolk Co. United States	Lockwood Dr. / (unknown) (40.82729, -72.87614)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.8231	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Patchogue, NY Suffolk Co. United States	Waverly Ave. / Holbrook Rd. (40.76705, -73.02555)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.1365	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Stony Brook, NY Suffolk Co. United States	S. Loop Rd. / Marburger Dr. (40.90982, -73.12318)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.1041	Other (At-Grade) Single-Lane	2006	On college campus roadway. ICD estimated from Google Maps linework.
Westhampton Beach, NY Suffolk Co. United States	Potunk Ln. / Oak St. / School St. / Brook Rd. / Mill Rd. (40.81412, -72.64636)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways 39.7720	Other (At-Grade) Single-Lane	2006	Oval shape. ICD estimated from Google Maps linework.
Revere, MA Suffolk Co. United States	SR 60 / Beach St. (42.40913, -71.00166)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 81.1284	Other (At-Grade) Multilane (2 Lane, unspecified)		Through movement passes through center. Signalized. Functional Class: Arterial ICD estimated from Google Maps linework.
Revere, MA Suffolk Co. United States	SR 60 / SR 107 (42.42123, -71.00449)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 92.5743	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial ICD estimated from Google Maps linework.
Riverhead, NY Suffolk Co. United States	Flanders Rd. (Rte. 24) / Peconic Ave. / Lake Ave. / Riverleigh Ave. (40.91461, -72.66277)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 58.6650	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Converted from rotary to roundabout in 2018. https://riverheadlocal.com/2018/10/26/its-been-a-long-road-to-a-new-roundabout-in-riverside-but-its-officially-completed/. ICD estimated from Google Maps linework.
Riverhead, NY Suffolk Co. United States	Rte. 24 / CR 94 (40.91591, -72.66968)	Rotary Existing	Unknown Unknown	3 Approaches 0 Driveways 86.6419	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Riverhead, NY Suffolk Co. United States	Rte. 24 / (unknown) (40.91524, -72.66606)	Rotary Existing	Unknown Unknown	3 Approaches 0 Driveways 48.7366	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Riverhead, NY Suffolk Co. United States	Rte. 58 / Roanoke Ave. (40.93315, -72.67399)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.7005	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Was single-lane traffic circle. Redesigned, resigned, and restriped in 2009. ICD estimated from Google Maps linework.
Revere, MA Suffolk Co. United States	Copeland Circle [Rte 60 (Squire Rd.) / US 1 Ramps] (42.43008, -71.01710)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 381.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)		Retrofitted (November 2018) with multi-lane approaches/departures on the Route 1 ramps and roundabout style pavement markings and signs within the circulating roadway. ICD = 1250 ft x 880 ft. 21442
Boston, MA Suffolk Co. United States	Old Colony Ave. / Columbia Rd. / Southampton St. (42.32935, -71.05222)	Rotary Existing	Unknown Unknown	5 Approaches 0 Driveways 66.2213	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial ICD estimated from Google Maps linework.
Boston, MA Suffolk Co. United States	Columbia Rd. / William J. Day Blvd. (42.32172, -71.05128)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 69.7616	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial ICD estimated from Google Maps linework.
Boston, MA Suffolk Co. United States	Willard St. / I-93 Ramps / Furnace Brook Expwy. (42.24208, -71.02673)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 99.0276	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
West Roxbury, MA Suffolk Co. United States	W. Roxbury Pkwy. / Lagrange St. / Newton St. / Hammond Pond Pkwy. / Hammond St. (42.31049, -71.16329)	Rotary Existing	All-Way Yield Unknown	5 Approaches 1 Driveways 72.4235	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Retrofitted in 2014 with the pavement markings. ICD estimated from Google Maps linework. Lacks entry deflection on multiple legs, intersection sight distance.
West Roxbury, MA Suffolk Co. United States	W. Roxbury Pkwy. / Grove St. (42.30330, -71.15137)	Rotary Existing	Unknown Unknown	0 Approaches 0 Driveways 72.4319	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
West Roxbury, MA Suffolk Co. United States	W. Roxbury Pkwy. / Veterans of Foreign Wars Pkwy. (42.29649, -71.14560)	Rotary Existing	Unknown Unknown	0 Approaches 0 Driveways 67.1393	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
West Roxbury, MA Suffolk Co. United States	W. Roxbury Pkwy. / Centre St. (42.28730, -71.14774)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 68.9162	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Huntington, NY Suffolk Co. United States	Clinton Ave. / Gerard St. (40.87225, -73.42886)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 14.4499	Other (At-Grade) Single-Lane	2002	http://query.nytimes.com/gst/fullpage.html?res=9D04E4DB133DF931A15751C1A9649C8B63 ICD estimated from Google Maps linework.
Boston, MA Suffolk Co. United States	VFW Pkwy. / North Shore Rd. (Butler Circle) (42.41228, -70.99350)	Rotary Existing	Unknown Unknown	0 Approaches 0 Driveways 84.6514	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial ICD estimated from Google Maps linework.