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
Duxbury, MA Plymouth Co. United States	Rte 53 / Winter St. (42.02730, -70.73737)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.3743	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Worcester, MA Worcester Co. United States	Lake Ave. / S Rd. (42.27715, -71.75925)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.8821	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	Crosswalks on all approaches. Year Completed estimated (2010-2014). ICD estimated from Google Maps linework.
Barnstable, MA Barnstable Co. United States	Meetinghouse Way (Rte 149) / US 6 EB / Service Rd. (41.69544, -70.38519)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.4815	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Hudson, MA Middlesex Co. United States	Washington St. (Rte 85) / Broad St. (42.37933, -71.56500)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 55.5817	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	entry channelization islands ICD estimated from Google Maps linework.
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.
Ayer, MA Middlesex Co. United States	Main St. (Rte 2A, Rte 111) / Sandy Pond Rd. / Littleton Rd. (Rte 2A, Rte 110) / Harvard Rd. (Rte 110, Rte 111) / Barnum Rd (42.55279, -71.57239)	Rotary Existing	Other None	5 Approaches 0 Driveways 118.7740	Other (At-Grade) Single-Lane		All-Yield Control expect for Barnum Rd (Stop-controlled) ICD estimated from Google Maps linework.
Freetown, MA Bristol Co. United States	Country Rd. / Chace Rd. / Mason Rd (41.77072, -70.95551)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.7393	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
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.
Bourne, MA Barnstable Co. United States	Otis Rotary [MacArthur Blvd. (Rte 28) / Connery Ave. / Sandwich Rd. (Rte 28A)] (41.68534, -70.59144)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 249.9360	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2017	New lane configuration/striping in 2017. ICD = 820 ft x 620 ft. 21442
Scituate, MA Plymouth Co. United States	County Way / New Driftway / Main St. (Rte 123) / Chief Justice Cushing Hwy (Rte 3A) (42.17701, -70.75060)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 58.4157	Other (At-Grade) Single-Lane	2008	Pedestrian facilities, RTBPL ICD estimated from Google Maps linework.
North Falmouth, MA Barnstable Co. United States	N Falmouth Hwy (Rte 28A) / Quaker Rd. / Rockledge Dr. (41.63308, -70.61831)	Rotary Existing	Uncontrolled Unknown	4 Approaches 1 Driveways 65.1641	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Mashpee, MA Barnstable Co. United States	Nathan Ellis Hwy (Rte 151) / Falmouth Rd. (Rte 28) / Great Neck Road (41.61840, -70.48709)	Rotary Existing	All-Way Yield Unknown	4 Approaches 2 Driveways 108.0363	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Sandwich, MA Barnstable Co. United States	Harlow Rd. / Cotuit Rd. / S Sandwich Rd. (41.66884, -70.47018)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.9806	Other (At-Grade) Single-Lane	2013	no crosswalks ICD estimated from Google Maps linework.
Chatham, MA Barnstable Co. United States	Main St. (Rte 28) / Stage Harbor Rd. / Old Harbor Rd. (Rte 28) / Queen Anne Rd. (41.68267, -69.96167)	Other Existing	All-Way Yield None	5 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian crossing within circulatory roadway.
East Harwich, MA Barnstable Co. United States	Queen Anne Rd. / Orleans-Harwich Rd. (Rte 39) (41.70049, -70.03164)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.8855	Other (At-Grade) Single-Lane	2006	no crosswalks, no sidewalks ICD estimated from Google Maps linework.
Hyannis, MA Barnstable Co. United States	Main St. / North St. / Scudder Ave. / W Main St. (41.64737, -70.29656)	Rotary Existing	Other None	4 Approaches 4 Driveways 56.2250	Other (At-Grade) Single-Lane		Yield control with stop control on North Street. ICD estimated from Google Maps linework.
South Yarmouth, MA Barnstable Co. United States	Wampanoag Rd. / Eldridge Rd. (41.64863, -70.21542)	Traffic Calming Circle Existing	Uncontrolled None	4 Approaches 0 Driveways 39.2675	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Dennis, MA Barnstable Co. United States	Davis Beach Rd. / Lighthouse Rd. / Loring Ave. (41.65225, -70.17300)	Rotary Existing	Uncontrolled None	4 Approaches 0 Driveways 40.1577	Other (At-Grade) Single-Lane		Stop control on the Davis Beach driveway ICD estimated from Google Maps linework.
Mashpee, MA Barnstable Co. United States	Rock Landing Rd. / Cross Rd. / Greensward Rd. (41.57286, -70.47406)	Traffic Calming Circle Existing	Other Unknown	4 Approaches 0 Driveways 55.3965	Other (At-Grade) Single-Lane		Private roads. Mixed Stop-controlled and free-merge. ICD estimated from Google Maps linework.
Mashpee, MA Barnstable Co. United States	Triton Sound Circle / Troon Way / Greenwards Rd. / Shore Dr. West / Landmark Ave. (41.56210, -70.47509)	Traffic Calming Circle Existing	All-Way Stop Unknown	5 Approaches 0 Driveways 57.1930	Other (At-Grade) Single-Lane		On private roads ICD estimated from Google Maps linework.
Hyannis, MA Barnstable Co. United States	Bearses Way / Basset Lane (41.65436, -70.29148)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8786	Other (At-Grade) Single-Lane	2009	crosswalks on all approaches ICD estimated from Google Maps linework.
Braintree, MA Norfolk Co. United States	Union Street / Rte 3 (42.21028, -70.99659)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 65.4619	Freeway Ramps (Grade-Separated) Single-Lane		Braintree Rotary ICD estimated from Google Maps linework.
Braintree, MA Norfolk Co. United States	Liberty St. / Pearl St. / Lenox Dr. (42.20251, -70.98480)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4266	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Braintree, MA Norfolk Co. United States	Liberty St. / Pearl Pl. / Middle St. (42.20400, -70.98490)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.9648	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Sterling, MA Worcester Co. United States	Leominster Rd. (Rte 12) / I-190 SB Ramps (42.46038, -71.74610)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	3 Approaches 0 Driveways 41.4121	Freeway Ramps (Grade-Separated) Single-Lane	2018	RRFB ICD estimated from Google Maps linework.
Sterling, MA Worcester Co. United States	Leominster Rd. (Rte 12) / Chocksett Rd. (42.45284, -71.74849)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.7735	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
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.
Greenfield, MA Franklin Co. United States	Rte 2 / Rte 2A / I-91 Ramps (42.58531, -72.62148)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 177.6285	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Buzzards Bay, MA Barnstable Co. United States	Bourne Rotary Circle (41.75203, -70.59695)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 140.7795	Freeway Ramps (Grade-Separated) Unknown		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.
Cambridge, MA Middlesex Co. United States	Grove St. / Washington St. / Blanchard Rd. (42.38637, -71.16042)	Roundabout Existing	All-Way Yield None	3 Approaches 3 Driveways 22.0537	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Lexington, MA Middlesex Co. United States	Hancock St. / Hamilton Rd. / Burlington St. / (unknown) (42.46302, -71.23268)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 23.7889	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Eastham, MA Barnstable Co. United States	Eastham Rotary (US 6 / Rte 6A / Smith Ln.) (41.79887, -69.98398)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 151.3610	Other (At-Grade) Single-Lane		Commonly known as "the Eastham rotary" ICD estimated from Google Maps linework.
Orleans, MA Barnstable Co. United States	Rte 6A (Cranberry Hwy) / Canal Rd / S Orleans Rd. (41.79212, -69.98671)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.3849	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
Provincetown, MA Barnstable Co. United States	Province Lands Rd. / Commercial St. (42.03714, -70.19657)	Other Existing	All-Way Yield None	2 Approaches 1 Driveways 51.4484	Other (At-Grade) Single-Lane		The center island is the Pilgrims' First Landing Park, which commemorates the location where the Mayflower first landed in the New World in 1620. 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.
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.
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.
West Springfield, MA Hampden Co. United States	Rte 147 (Memorial Ave.) / US 5 Ramps (42.09762, -72.59717)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 37.2202	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		One of several along US 5. ICD estimated from Google Maps linework.
West Springfield, MA Hampden Co. United States	Park St. / West St. / US 5 Ramps (42.10753, -72.61637)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 84.1755	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Concord, MA Middlesex Co. United States	Rte 2 (Union Tpke-Concord Tpke) / Rte 2A / Barretts Mill Rd. / Commonwealth Ave. (42.46728, -71.39721)	Rotary Existing	All-Way Yield None	5 Approaches 0 Driveways 100.4354	Other (At-Grade) Multilane (2 Lane, unspecified)		Infamous Concord rotary. ICD estimated from Google Maps linework.
Lowell, MA Middlesex Co. United States	Industrial Ave / American Legion Connector Hwy SB Ramps (42.61379, -71.32136)	Rotary Existing	All-Way Yield None	5 Approaches 0 Driveways 75.5895	Freeway Ramps (Grade-Separated) Unknown		Longtime rotary near Lowell Connector. ICD estimated from Google Maps linework.
Adams, MA Berkshire Co. United States	Columbia St. (Rte 8) / Renfrew St. / Friend St. (42.63704, -73.11300)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.7517	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Medford, MA Middlesex Co. United States	Fellsway W. / Forest St. / S Border Rd. / I-93 Ramps (42.42933, -71.10333)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 132.2319	Freeway Ramps (Grade-Separated) Unknown		ICD estimated from Google Maps linework.
Lancaster, MA Worcester Co. United States	Lunenburg Rd. / Old Union Turnpike (42.51839, -71.69255)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.9723	Other (At-Grade) Single-Lane	2013	Year estimated between 2010 and 2015. ICD estimated from Google Maps linework.
Westwood, MA Norfolk Co. United States	East St. / US 95 Ramps / Canton St. / Allied St. (42.22317, -71.17071)	Rotary Existing	Unknown Unknown	6 Approaches 0 Driveways 86.6751	Freeway Ramps (Grade-Separated) Unknown		ICD estimated from Google Maps linework.
Medford, MA Middlesex Co. United States	Salem St. (Rte 60) / I-93 Ramps (42.41946, -71.10398)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 149.8864	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Somerville, MA Middlesex Co. United States	Mystic Valley Pkwy. / Alewife Brook Pkwy. (42.41465, -71.13133)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.5708	Other (At-Grade) Single-Lane		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.
Nantucket, MA Nantucket Co. United States	Milestone Rd / Old South / Sparks Ave / Orange St (41.27121, -70.08832)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 26.9296	Other (At-Grade) Single-Lane		Geometry and age suggests control was not always all-way yield ICD estimated from Google Maps linework.
Nantucket, MA Nantucket Co. United States	Sparks Ave / Hooper Farm Rd / Lower Pleasant St (41.27122, -70.09086)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.8272	Other (At-Grade) Single-Lane	2007	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.
Lynn, MA Essex Co. United States	Lynn Way / Nahant Rd. (42.45684, -70.93676)	Rotary Existing	Unknown Unknown	3 Approaches 0 Driveways 124.2434	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Gloucester, MA Essex Co. United States	Grant Circle [Rte 128 (Yankee Division Hwy) / Rte 127 / Washington St.] (42.62204, -70.67609)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 114.3000	Other (At-Grade) Multilane (2 Lane, unspecified)	1952
Gloucester, MA Essex Co. United States	Blackburn Circle [Rte 128 (Yankee Division Hwy) / Dory Rd. / School House Rd.] (42.62497, -70.66152)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 175.2600	Other (At-Grade) Multilane (2 Lane, unspecified)	1958
Hyannis, MA Barnstable Co. United States	Iyannough Rd. / Barnstable Rd. / Falmouth Rd. (41.66512, -70.28732)	Rotary Existing	Unknown Unknown	0 Approaches 0 Driveways 87.4371	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
(unincorporated), MA Barnstable Co. United States	Rte 6A / Rte 28 (gateway to Cape Cod) (41.74313, -70.58651)	Rotary Existing	All-Way Yield None	0 Approaches 0 Driveways 118.8720	Other (At-Grade) Multilane (2 Lane, unspecified)
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.
Boston, MA Suffolk Co. United States	Broadway / Main (42.40244, -71.06048)	Rotary Existing	Unknown Unknown	0 Approaches 0 Driveways 123.4694	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Newton, MA Middlesex Co. United States	Wheeler Rd. / Meadowbrook Rd. (42.30915, -71.19085)	Other Existing	One-Way/Two-Way Stop None	3 Approaches 0 Driveways 22.0809	Other (At-Grade) Single-Lane	2003	At elementary school. ICD estimated from Google Maps linework.
Barnstable, MA Barnstable Co. United States	Rte 149 / Race Ln. (41.68164, -70.40159)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8676	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Duxbury, MA Plymouth Co. United States	Lincoln St. / Congress St. (42.05532, -70.72294)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 21.2829	Other (At-Grade) Single-Lane	2001	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.
Woburn, MA Middlesex Co. United States	I-95 Ramps / MA 38 (Main St.) (42.49945, -71.15711)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 30.8196	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		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.
Quincy, MA Norfolk Co. United States	Washington St (Rte 3A) / Dee Rd (42.24553, -70.97224)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 66.3095	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Rotary update ICD estimated from Google Maps linework.
Hingham, MA Plymouth Co. United States	Rte. 3A (Summer St.) / Chief Justic Cushing Hwy. / Green St. (42.24615, -70.88130)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 60.1200	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial ICD estimated from Google Maps linework.
Lakeville, MA Plymouth Co. United States	Rte. 44 / Rte. 28 / Rte. 18 (41.90274, -70.95914)	Rotary Existing	Unknown Unknown	5 Approaches 0 Driveways 106.6697	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial ICD estimated from Google Maps linework.
Bourne, MA Barnstable Co. United States	US 6 / Rte. 28 (Main St.) (41.74607, -70.61805)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 92.6736	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial 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.
Wellesley, MA Norfolk Co. United States	Wellesley Ave. / Great Plain Ave. / Seaver St. (42.29865, -71.27926)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8637	Other (At-Grade) Single-Lane	2021	The previous traffic circle had two stopped-controlled approaches and two uncontrolled approaches
Chatham, MA Barnstable Co. United States	Main St. / Barn Hill Rd. (41.68246, -69.99174)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2021).
South Yarmouth, MA Barnstable Co. United States	Edgewater Dr. (41.68404, -70.16354)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Morningside, MA Berkshire Co. United States	Tyler St. / Woodlawn Ave. / Dalton Ave. (42.45643, -73.23392)	Roundabout Existing	Unknown Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2021	Year Completed estimated (2018-2022).
Westford, MA Middlesex Co. United States	Russells Way (42.64453, -71.42699)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Westford, MA Middlesex Co. United States	Russells Way (42.63407, -71.43101)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Tewksbury, MA Middlesex Co. United States	Jills Way / Jills Way (42.62204, -71.18720)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
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
Braintree Highlands, MA Norfolk Co. United States	South St. / (unknown) (42.17309, -71.01367)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2002	Painted splitter island on southeast leg. Year Completed estimated (2001-2002).
Great Barrington, MA Berkshire Co. United States	US 7 (Main St.) / Rte 23-Rte 41 (Maple Ave.) (42.18916, -73.36466)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.townofgb.org/home/news/state-dot-begins-gb-roundabout-work-brown-bridge-repair-completion-set-june
Easthampton, MA Hampshire Co. United States	Pleasant St. / Lovefield St. / Ferry St. (42.27616, -72.65722)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-lane w/ Traversable Central Island	2020	https://www.wwlp.com/news/local-news/hampshire-county/ferry-street-in-easthampton-to-reopen-monday-with-new-traffic-pattern/
Ashland, MA Middlesex Co. United States	Pond St. / Spyglass Hill Dr. / (parking) (42.24026, -71.43205)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2022	Utility pole within central island on inner edge of truck apron.
Lexington, MA Middlesex Co. United States	Bedford St. / Harrington Rd. / Hancock St. (42.45014, -71.23048)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	Replaced a triangle of two-way stop intersections. https://www.lexingtonma.gov/235/Battle-Green-Streetscape-Project Video of completed roundabout: https://www.youtube.com/watch?v=dcF64ln0mjo
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
Orleans, MA Barnstable Co. United States	Rte 28 (S Orleans Rd.) / Rte 39 (Harwich Rd.) / Quanset Rd. (41.75145, -69.99094)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2023	https://capecodchronicle.com/articles/439/view
West Springfield, MA Hampden Co. United States	Elm St. / Westfield St. / (parking) (42.10703, -72.62284)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2024	https://www.wwlp.com/news/local-news/hampden-county/final-phases-of-construction-of-the-new-elm-street-roundabout-in-west-springfield/
Granby, MA Hampshire Co. United States	US 202 (E State St.) / School St. (42.26516, -72.47326)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2024
Sherborn, MA Middlesex Co. United States	Washington St. / Sanger St. / Maple St. (42.24060, -71.37120)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2024	https://www.youtube.com/watch?v=7B6zWOWi74o.
Magadan, Magadan Magadan Russia	Lenina prospekt / Bilibina ulitsa / Gagarina ulitsa / Nagayevskaya ulitsa (59.56048, 150.79881)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Magadan, Magadan Magadan Russia	Kolymskoye shosse / Lenina prospekt / Transportnaya ulitsa / Berzina ulitsa (59.57397, 150.81534)	Rotary Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Punta Arenas, Magallanes and Antarctic Region Magallanes Province Chile	Av. Pdte. Manuel Bulnes / Av. España / Av. El Bosque (-53.13477, -70.88408)	Other Existing	Other None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Av. Pdte. Manuel Bulnes thru traffic has right of way.