Roundabouts Database

29679 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
Amesbury, MA
Essex Co.
United States 		Friend St / School St (Rte 150) / Allens Ct
(42.85615, -70.93410) 		Roundabout
Existing 		Other
None 		4 Approaches
0 Driveways
26.2656 		Other (At-Grade)
Single-Lane 		2001 North leg stop-controlled. Fire station on south leg. Resurfaced on 2017. 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.
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.
Weymouth, MA
Norfolk Co.
United States 		Patriot Pkwy / Marker St
(42.15310, -70.94390) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.6148 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Weymouth, MA
Norfolk Co.
United States 		North St / East St / Norton St
(42.23165, -70.94496) 		Traffic Calming Circle
Existing 		Other
None 		4 Approaches
1 Driveways
25.6453 		Other (At-Grade)
Single-Lane 		Control Type is Mixed: Yield on circular road, stop on East St approach, yield on North St SB approach 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.
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.
Danvers, MA
Essex Co.
United States 		US 1 / I-95 Ramps
(42.59378, -70.96350) 		Rotary
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Quincy, MA
Norfolk Co.
United States 		Palmer St / Yardarm Ln / Bicknell St
(42.25300, -70.96574) 		Rotary
Existing 		Uncontrolled
None 		4 Approaches
2 Driveways
70.7217 		Other (At-Grade)
Single-Lane 		Neighborhood area ICD estimated from Google Maps linework.
Lynn, MA
Essex Co.
United States 		Western Ave (Rte 107) / Federal St / South St / Market Square
(42.46260, -70.96575) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
54.6268 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Lynn, MA
Essex Co.
United States 		Federal St. / Waterhill St. / Marion St.
(42.46533, -70.96799) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 Four approaches, but five roads leading away. https://lynnjournal.com/2020/12/03/safe-and-round-new-roundabout-at-agganis-square-leads-to-safer-access-for-drivers/
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.
Saint-Anselme, QC
Bellechasse Regional County Municipality
Canada 		Chemin Saint-Jacques / Chemin Sainte-Anne
(46.62899, -70.98278) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.0000 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2016-2017).
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/
Saguenay, QC
Saguenay
Canada 		Rte 170 / Autoroute 70 EB Offramp
(48.34444, -70.98452) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
55.5668 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016 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.
Lynnfield, MA
Essex Co.
United States 		Salem St (Rt 129) / Lynnfield St.
(42.51280, -70.99137) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
159.3472 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		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.
Saint-Anselme, QC
Bellechasse Regional County Municipality
Canada 		Rte Bégin (Rte 277) / Rang de la Montagne
(46.64496, -70.99509) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.0000 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019).
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.
Brockton, MA
Plymouth Co.
United States 		N Quincy St. / Boundary Ave. / Chestnut St.
(42.12289, -71.00124) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2021
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.
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
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.
Lee, NH
Rockingham Co.
United States 		US 4 / Rte 125
(43.14910, -71.00666) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2015 Constructed November 2003 as single-lane rotary as part of new shopping mall. Converted to multilane roundabout in 2015. First multilane roundabout conversion in New Hampshire.
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.
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
Saugus, MA
Essex Co.
United States 		Main St / Central St / Hamilton St
(42.46473, -71.01002) 		Other
Existing 		Other
None 		4 Approaches
1 Driveways
37.8851 		Other (At-Grade)
Single-Lane 		Town square traffic circle. Two legs are stop-controlled, on-street parking. ICD estimated from Google Maps linework.
Saguenay, QC
Saguenay
Canada 		Chemin St-Anicet (Rte 170) / Chemin de l'Aéroport / Rue de Plateau
(48.34197, -71.01246) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
65.8896 		Other (At-Grade)
Single-Lane 		2012 https://translate.google.com/translate?hl=en&sl=fr&u=https://www.neomedia.com/saguenay-lac-st-jean/actualites/actualites/272506/pavage-dans-le-secteur-de-laeroport-a-la-baie ICD estimated from Google Maps linework.
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).
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 		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 		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.
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.
Saguenay, QC
Saguenay
Canada 		Rue Jacques-Cartier E / Rue du Foyer / Rue des Franciscaines
(48.42346, -71.03839) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
25.3626 		Other (At-Grade)
Single-Lane 		2000 Year Completed estimated (before 2005). ICD estimated from Google Maps linework.
Saguenay, QC
Saguenay
Canada 		Rue Jacques-Cartier E / Boulevard Talbot
(48.42400, -71.04228) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
30.1177 		Other (At-Grade)
Single-Lane 		2000 Year Completed estimated (before 2005). 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.
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.
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 		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.
Saint-Henri, QC
Bellechasse Regional County Municipality
Canada 		Route Campagna / Rue Commerciale
(46.68761, -71.05781) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.6147 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Melrose, MA
Middlesex Co.
United States 		Green St. / Howard S.
(42.46562, -71.05908) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2019 Replaced stop-controlled triangle set of intersections.
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.
Everett, MA
Middlesex Co.
United States 		Revere Beach Pkwy. (Rte 16) / Mystic View Rd. / Santilli Hwy
(42.40238, -71.06892) 		Signalized Roundabout/Circle
Existing 		Signal
None 		5 Approaches
0 Driveways
155.4480 		Other (At-Grade)
Multilane (3+ Lane) 		Revere Beach Pkwy extends through the rotary. ICD 560 ft x 460 ft.
Epping, NH
Rockingham Co.
United States 		Fresh River Road / Epping Crossing development entrance
(43.03021, -71.06982) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.1758 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Saint-Henri, QC
Bellechasse Regional County Municipality
Canada 		Route Campagna / Rue des Prés-Verts / Rue Commerciale
(46.70046, -71.07274) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
1 Driveways
47.5070 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Wakefield, MA
Middlesex Co.
United States 		Rte 129 (Salem St.-Lowell St.) / Haverhill St. / I-95 Ramps
(42.52541, -71.08090) 		Rotary
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		Pavement markings improvement in 2016.
Somerville, MA
Middlesex Co.
United States 		Great River Rd. / Grand Union Blvd.
(42.39621, -71.08140) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.7524 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Malden, MA
Middlesex Co.
United States 		Fellsway E / Highland Ave
(42.43419, -71.08356) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
24.6814 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Medford, MA
Middlesex Co.
United States 		Highland Ave. / Woodland Rd. / Elm St.
(42.44247, -71.09392) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Single-Lane 		2015 Added roundabout style pavement markings on approaches and definition of circulating roadway in approx. 2015. Right-turn-only lane and two-lane exit on north leg.
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.
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.
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.
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.
Conway, NH
Carroll Co.
United States 		North-South Rd. / Common Ct.
(44.02297, -71.10868) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2022 Rear entrance to Settler's Green shopping plaza. The east leg is under construction 2023 for big box retail, which should open in 2024.
Conway, NH
Carroll Co.
United States 		North-South Rd / (Walmart parking)
(44.01823, -71.10901) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.2134 		Other (At-Grade)
Single-Lane 		2014 https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/nh_roundabouts_list_details_web_version.pdf ICD estimated from Google Maps linework.
North Conway, NH
Carroll Co.
United States 		North-South Rd. / Mountain Valley Blvd.
(44.01996, -71.10962) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.3536 		Other (At-Grade)
Single-Lane 		2007 Right-turn bypass lane in NW quadrant. East leg stubbed for future use. Adjacent to Lowe's Home Improvement center. 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.
Cambridge, MA
Middlesex Co.
United States 		Memorial Dr (Rte 3) / Brookline St / BU Bridge (Rte 2)
(42.35424, -71.11081) 		Rotary
Existing 		Other
None 		4 Approaches
0 Driveways
84.7297 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		Control Types: Signals on BU Bridge approach and exit, other approaches yield sign. ICD estimated from Google Maps linework.
Boischatel, QC
La Côte-de-Beaupré Regional County Municipality
Canada 		Rue Dugal / Rue de l'Estran
(46.90396, -71.11098) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.0000 		Other (At-Grade)
Single-Lane 		2000 Year Completed estimated (before 2007).
North Andover, MA
Essex Co.
United States 		Massachusetts Ave. / Andover St. / Johnson St. / Great Pond Rd.
(42.68399, -71.11274) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
32.4844 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Somerville, MA
Middlesex Co.
United States 		Powder House Square [Powder House Blvd. / Broadway / College Ave. / Werner St.]
(42.40114, -71.11677) 		Roundabout
Existing 		All-Way Yield
None 		6 Approaches
0 Driveways
70.1040 		Other (At-Grade)
Single-Lane 		2021 Originally 2-lane traffic circle with signal control on all entries and central island originally accessible for pedestrians. Converted to a single-lane roundabout in 2021 using only signing, striping, and raised markers. As of March 2022, all signals (including pedestrian signals) have been covered.
Medford, MA
Middlesex Co.
United States 		Winthrop St. / High St. / Rural Ave.
(42.42129, -71.11800) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2019 Painted splitter islands. Right-turn-only lanes on southwest and south legs. Converted from traffic circle in 2018-2019.
Brookline, MA
Norfolk Co.
United States 		Chestnut St / Pond Ave
(42.32283, -71.11966) 		Rotary
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
36.2047 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Ossipee, NH
Carroll Co.
United States 		Rte 28 / Rte 171 (Water Village Rd.) / Courthouse Square
(43.68666, -71.12119) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2020 https://www.conwaydailysun.com/news/local/ossipee-thanks-state-for-installing-roundabout/article_5f74f482-b0bd-11ea-b12d-9fccb24a7c41.html
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.
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.
Highlands, MA
Bristol Co.
United States 		President Ave (US 6) / N Eastern Ave (US 6) / Rte 24 Ramps
(41.71141, -71.12394) 		Rotary
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
134.6275 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Boston, MA
Suffolk Co.
United States 		Braeburn Rd / Myopia Rd
(42.26185, -71.12645) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		3 Approaches
1 Driveways
21.3360 		Other (At-Grade)
Single-Lane 		2002
Canton, MA
Norfolk Co.
United States 		Pleasant St. / Bolivar St. / Lincolnshire Dr.
(42.15077, -71.12804) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2015
Somerville, MA
Middlesex Co.
United States 		Alewife Brook Pkwy (Rte 16) / Powder House Blvd
(42.40871, -71.13069) 		Rotary
Existing 		Other
None 		3 Approaches
6 Driveways
73.1924 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Powder House Blvd left turn must yield to the SB entering traffic. 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.
Winchester, MA
Middlesex Co.
United States 		Main St (Rte 38) / Everell Rd / Bacon St / Grove St
(42.44236, -71.13586) 		Traffic Calming Circle
Existing 		Other
None 		5 Approaches
0 Driveways
23.7968 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Winchester, MA
Middlesex Co.
United States 		Main St / Mt Vernon St / Church St / Park St / Laraway Rd
(42.45281, -71.13716) 		Rotary
Existing 		Uncontrolled
Pedestrian Signal (red-yellow-green to drivers) 		5 Approaches
0 Driveways
47.5856 		Other (At-Grade)
Single-Lane 		Improved ped crossings (markings) approx. 2001. Ped access to train station nearby. Bike racks. on-street parking on circular roadway. ICD estimated from Google Maps linework.
Brookline, MA
Norfolk Co.
United States 		Lee St / Warren St / Dudley St
(42.32272, -71.13750) 		Rotary
Existing 		Other
None 		3 Approaches
0 Driveways
52.9826 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Grand Turk, Turks Islands
Grand Turk
Turks And Caicos Islands 		Lighthouse Rd. / (unknown)
(21.47721, -71.14092) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
66.6839 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Cambridge, MA
Middlesex Co.
United States 		Concord Ave / New St / Fresh Pond Pkwy (US 3, Rte 2)
(42.38670, -71.14100) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
38.8144 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Pavement markings for bike conflict areas added in approx. 2018 (on New St exit). ICD estimated from Google Maps linework.
Cambridge, MA
Middlesex Co.
United States 		Concord Ave (US 3) / Alewife Brook Parkway (Rte 2)
(42.38844, -71.14346) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
56.4557 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Pavement markings installed in 2017. No crosswalks. 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.
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.
Tiverton, RI
Newport Co.
United States 		Stafford Rd. / William S. Canning Blvd. / Hurst Ln. / (casino access)
(41.66205, -71.15353) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.2593 		Other (At-Grade)
Unknown 		2018 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.
Dedham, MA
Norfolk Co.
United States 		East St. / Cedar St.
(42.23184, -71.15963) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2015 Old circle converted into a roundabout 2014-2015.
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.
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.
Somerset, MA
Bristol Co.
United States 		Brayton Ave / Riverside Ave / Wilbur Ave
(41.72272, -71.16043) 		Rotary
Existing 		Other
None 		4 Approaches
1 Driveways
33.8738 		Other (At-Grade)
Single-Lane 		Brayton approach is stop-controlled 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.
Belmont, MA
Middlesex Co.
United States 		Orchard St / Stone St
(42.39213, -71.16707) 		Traffic Calming Circle
Existing 		Uncontrolled
None 		3 Approaches
6 Driveways
57.3345 		Other (At-Grade)
Single-Lane 		No traffic signs nor pavement markings present. ICD estimated from Google Maps linework.
Lévis, QC
Lévis
Canada 		Rue Champagnat / Rue St-Omer
(46.81184, -71.16927) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.4175 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2009 - streetview) ICD estimated from Google Maps linework.
Lévis, QC
Lévis
Canada 		Rue Christophe-Colomb / Rue Louis H. La Fontaine / Rue de la Pascaline / Rue Charles Rodrigue
(46.77829, -71.16995) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.2594 		Other (At-Grade)
Single-Lane 		2013 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.
Dedham, MA
Norfolk Co.
United States 		Washington St / Boston Providence Hwy
(42.25003, -71.17133) 		Rotary
Existing 		Signal
None 		4 Approaches
5 Driveways
67.1888 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Boston Providence Hwy extends straight through the rotary ICD estimated from Google Maps linework.
Lawrence, MA
Essex Co.
United States 		Margin St. / Medford St. / Melrose St. / Hancock St. / Bodwell St.
(42.70103, -71.17348) 		Other
Existing 		All-Way Stop
Unknown 		5 Approaches
0 Driveways
21.9429 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Belmont, MA
Middlesex Co.
United States 		Prospect St / Clifton St
(42.40403, -71.17635) 		Traffic Calming Circle
Existing 		Other
None 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		two yield-controlled, one stop-controlled approaches
Lévis, QC
Lévis
Canada 		Boulevard Alphonse-Desjardins / Rue Champagnat / Rue Dorimène Desjardins / Côte du Passage
(46.80332, -71.17789) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.6133 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
Watertown, MA
Middlesex Co.
United States 		Common St. / Orchard St. / Church St.
(42.37243, -71.17858) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
33.5277 		Other (At-Grade)
Single-Lane 		2020
Saguenay, QC
Saguenay
Canada 		Boulevard du Saguenay / Rue Moissan / Rue Oersted / Boulevard Mellon
(48.43281, -71.17983) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
31.6974 		Other (At-Grade)
Single-Lane 		2000 Year Completed estimated (before 2005). ICD estimated from Google Maps linework.
Lawrence, MA
Essex Co.
United States 		170 May St
(42.71218, -71.18037) 		Traffic Calming Circle
Existing 		Other
Unknown 		5 Approaches
0 Driveways
18.4287 		Other (At-Grade)
Single-Lane 		No splitter islands. Mix of stop and yield control. ICD estimated from Google Maps linework.