Roundabouts Database

29411 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
Green, OH
Summit Co.
United States 		Massillon Rd. / Raber Rd. / (parking)
(40.96647, -81.46515) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2020 https://www.cityofgreen.org/413/Massillon-Road-North
Dillon, CO
Summit Co.
United States 		Dillon Dam Rd. / La Bonte St.
(39.62759, -106.05380) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2008-2011).
Summit Park, UT
Summit Co.
United States 		Gorgoza Pines Rd. / (parking)
(40.75044, -111.57153) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2003 No splitter islands. Year Completed estimated (2002-2004).
South Snyderville Basin, UT
Summit Co.
United States 		Canyons Resort Dr. / Frostwood Dr.
(40.68753, -111.54847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2014 Right-turn add-lane bypass lane on southeast leg. Year Completed estimated (2013-2015).
Twinsburg, OH
Summit Co.
United States 		Darrow Rd. (SR 91) / Meadowood Blvd. / Ethans Dr.
(41.34696, -81.44008) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2020 http://www.dot.state.oh.us/districts/D04/Documents/2019%20construction%20book%20ver%203.pdf (page 9)
West Akron, OH
Summit Co.
United States 		Mull Ave. / S Hawkins Ave.
(41.09970, -81.56933) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		To be converted to roundabout as part of roadwork on Mull Ave.
Downtown Akron, OH
Summit Co.
United States 		S Main St. / W Mill St. / E Mill St.
(41.08258, -81.51787) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2021
Ellet, OH
Summit Co.
United States 		SR 241 (Triplett Blvd.) / Massillon Rd. / (airport parking)
(41.04309, -81.46298) 		Other
Existing 		All-Way Yield
None 		3 Approaches
4 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Year Completed unknown. Traffic circle with roundabout features.
Akron, OH
Summit Co.
United States 		SR 241 (Seiberling St. - Innovation Way) / Seiberling St. / Eagle St. / Eagle Way
(41.05604, -81.47194) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Single-Lane 		2011
Fairlawn, OH
Summit Co.
United States 		S Cleveland Massillon Rd. / Rothrock Rd.
(41.12151, -81.63784) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021 Rothrock Rd roundabout opened Aug 3, 2021. The entire project is here. Design and handout documents are at the bottom: https://www.fairlawn.us/CMProject Pictures were taken during construction. https://www.fairlawn.us/CivicAlerts.aspx?AID=803 Aerial https://www.fairlawn.us/CivicAlerts.aspx?AID=797
Breckenridge, CO
Summit Co.
United States 		CO-9 / Stan Miller Dr. / Fairview Blvd.
(39.52585, -106.04534) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.5341 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Twinsburg, OH
Summit Co.
United States 		Glenwood Dr. / Darrow Rd. (OH Hwy 91)
(41.34087, -81.43990) 		Roundabout
Existing 		All-Way Yield
Pedestrian Hybrid Beacon (PHB, HAWK) 		4 Approaches
0 Driveways
36.7644 		Other (At-Grade)
Single-Lane 		2016 Right-turn-only lanes on north and south legs. ICD estimated from Google Maps linework.
Akron, OH
Summit Co.
United States 		Riverview Rd. (SR 9) / Smith Rd.
(41.14098, -81.56433) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.0838 		Other (At-Grade)
Single-Lane 		2012 Railroad crossing on west leg. ICD estimated from Google Maps linework.
Green, OH
Summit Co.
United States 		Greensburg Rd. / Lauby Rd.
(40.92918, -81.43810) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.3865 		Other (At-Grade)
Single-Lane 		2015 Opened August 2015. ICD estimated from Google Maps linework.
Frisco, CO
Summit Co.
United States 		SH 9 / I-70 WB Ramps
(39.59339, -106.09700) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
34.0524 		Freeway Ramps (Grade-Separated)
Single-Lane 		2000 Highway ref. pt. 70-202.35. ICD estimated from Google Maps linework.
Park City, UT
Summit Co.
United States 		Powderwood Dr. / Factory Outlet Parking
(40.72733, -111.55255) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.4374 		Other (At-Grade)
Single-Lane 		2000 Pedestrian access to central island. ICD estimated from Google Maps linework.
Park City, UT
Summit Co.
United States 		Kilby Rd. / Factory Outlet Parking
(40.73040, -111.55040) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.3918 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 ICD estimated from Google Maps linework.
Park City, UT
Summit Co.
United States 		Rte 224 (Deer Valley Drive) / Heber Avenue / Marsac Avenue
(40.64572, -111.49500) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
46.2161 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 See: www.Roundaboutsusa.com Information as reported in Salt Lake Tribune article: http://www.sltrib.com/2000/Sep/09142000/utah/22072.htm Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Copley Township, OH
Summit Co.
United States 		Ridgewood Rd. / Hametown Rd.
(41.11395, -81.66791) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1947 		Other (At-Grade)
Single-Lane 		2006 Opened August 21, 2006. ICD estimated from Google Maps linework.
Tallmadge, OH
Summit Co.
United States 		Howe Rd. / Northeast Ave. / N Munroe Rd.
(41.11800, -81.41503) 		Roundabout
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
52.1858 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 Functional Class: Arterial ICD estimated from Google Maps linework.
Green, OH
Summit Co.
United States 		Massillon Rd. (SR 241) / Steese Rd.
(40.94755, -81.46524) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.5169 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Opened August 2009. ICD estimated from Google Maps linework.
Twinsburg, OH
Summit Co.
United States 		Darien Ln. / (unknown)
(41.32028, -81.42608) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2007 Functional Class: Local
Breckenridge, CO
Summit Co.
United States 		Main St. / N. Park Ave.
(39.49046, -106.04560) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.2595 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 ICD estimated from Google Maps linework.
Green, OH
Summit Co.
United States 		E Turkeyfoot Lake Rd. / Pickle Rd.
(40.97410, -81.47402) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
36.9707 		Other (At-Grade)
Single-Lane 		2018 https://www.whbc.com/city-opens-new-roundabout-has-plans-for-more/ ICD estimated from Google Maps linework.
Breckenridge, CO
Summit Co.
United States 		S Park Ave. (CO 9) / Four O'clock Rd.
(39.48043, -106.04811) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.1078 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2015-2018). ICD estimated from Google Maps linework.
Akron, OH
Summit Co.
United States 		S Old Main St. / W South St. / Bachtel Ave.
(41.06039, -81.52863) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.6185 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Tallmadge, OH
Summit Co.
United States 		Tallmadge Circle (North Ave. / Northeast Ave. / East Ave. / Southeast Ave. / South Ave. / Southwest Ave. / West Ave. / Northwest Ave.)
(41.10138, -81.44121) 		Rotary
Existing 		All-Way Yield
None 		8 Approaches
10 Driveways
59.3989 		Other (At-Grade)
Single-Lane 		1807 1807 is the year it was built, but as a square. Unknown when it took present form. Some history here: https://www.ohio.com/akron/lifestyle/local-history-tallmadge-circle-is-center-of-creation ICD estimated from Google Maps linework.
Twinsburg, OH
Summit Co.
United States 		Liberty Rd. / Glenwood Dr.
(41.34166, -81.41895) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
25.1071 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Fairlawn, OH
Summit Co.
United States 		Ridgewood Rd. / Jacoby Rd.
(41.11011, -81.61945) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.0960 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Green, OH
Summit Co.
United States 		Corporate Woods Pkwy. / Corporate Woods Cir.
(40.96101, -81.46780) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6838 		Other (At-Grade)
Single-Lane 		2019 ICD estimated from Google Maps linework.
Green, OH
Summit Co.
United States 		E Turkeyfoot Lake Rd. / Myersville Rd.
(40.97616, -81.42369) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.0679 		Other (At-Grade)
Single-Lane 		2019 ICD estimated from Google Maps linework.
Akron, OH
Summit Co.
United States 		Edgewood Ave. / Westerly Rd.
(41.07351, -81.53973) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.3135 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Park City, UT
Summit Co.
United States 		W Ute Blvd. / Uintah Way
(40.72449, -111.54245) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.1103 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012 Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Park City, UT
Summit Co.
United States 		Newpark Blvd. / Uintah Way
(40.72177, -111.54224) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.8705 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Park City, UT
Summit Co.
United States 		Olympic Pkwy. / N Landmark Dr.
(40.72175, -111.54711) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.9221 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Park City, UT
Summit Co.
United States 		N Landmark Dr. / W Ute Blvd.
(40.72444, -111.54747) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.3000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 ICD estimated from Google Maps linework.
Park City, UT
Summit Co.
United States 		Homestead Rd. / Rasmussen Rd. / I-80 WB Ramps
(40.75488, -111.57172) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
83.2338 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2019 https://www.deseret.com/utah/2019/11/26/20983915/around-and-around-new-roundabouts-at-i-80-jeremy-ranch-interchange-now-open ICD estimated from Google Maps linework.
Park City, UT
Summit Co.
United States 		Homestead Rd. / Kilby Rd. / I-80 EB Off-ramp
(40.75223, -111.57247) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
88.6656 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2019 https://www.deseret.com/utah/2019/11/26/20983915/around-and-around-new-roundabouts-at-i-80-jeremy-ranch-interchange-now-open ICD estimated from Google Maps linework.
Park City, UT
Summit Co.
United States 		Rasmussen Rd. / Jeremy Rd. / Jeremy Ranch Rd.
(40.75569, -111.57350) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.3317 		Other (At-Grade)
Single-Lane 		2007 This roundabout was reconfigured as part of the Jeremy Ranch Roundabouts project. Formerly it had a driveway to a park-and-ride lot. Jeremy Ranch Rd is a new approach to this intersection and the eastern approach on Rasmussen Dr was closed. https://www.summitcounty.org/1005/Email-Updates ICD estimated from Google Maps linework.
Kingsport, TN
Sullivan Co.
United States 		Watauga St. / E Ravine Rd. / Gibson Mill Rd.
(36.54887, -82.55197) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
26.8650 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Kingsport, TN
Sullivan Co.
United States 		Sullivan St. / Broad St. / Watauga St. / Holston St.
(36.54914, -82.55837) 		Other
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
30.7027 		Other (At-Grade)
Single-Lane 		1917 Very early traffic circle. ICD estimated from Google Maps linework.
Kingsport, TN
Sullivan Co.
United States 		Netherland Inn Rd. / Industry Dr.
(36.55264, -82.57854) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
31.6607 		Other (At-Grade)
Single-Lane 		2012 Bypass lanes on north and east quadrants. ICD estimated from Google Maps linework.
Liberty, NY
Sullivan Co.
United States 		Rte 17 SB Ramps / Rte 52
(41.79303, -74.73518) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.9463 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Liberty, NY
Sullivan Co.
United States 		Rte 52 / Rte 55
(41.79688, -74.74020) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.2731 		Other (At-Grade)
Single-Lane 		2006 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.
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.
Bristol, TN
Sullivan Co.
United States 		Bass Pro Dr. / Pinnacle Pkwy.
(36.59545, -82.25318) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 Concentric circulatory roadway striping. No left turn arrows on entry or within roundabout. Year Completed estimated (2012-2015).
Ridge, NY
Suffolk Co.
United States 		Princeton Ave. / York Ln.
(40.86451, -72.89717) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2019 Year Completed estimated (2019-2020).
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
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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).
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.
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.
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.
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.
Westhampton Beach, NY
Suffolk Co.
United States 		Main St. / Mill Rd. / Library Ave.
(40.81013, -72.64144) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2020 Library Ave is one-way exit to the south. Year Completed estimated (2019-2020). https://www.danspapers.com/2018/07/big-plans-for-whbs-main-street/
Westhampton Beach, NY
Suffolk Co.
United States 		Potunk Ln. / Main St.
(40.80814, -72.64700) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2019 https://www.danspapers.com/2018/07/big-plans-for-whbs-main-street/
Shirley, NY
Suffolk Co.
United States 		Fire Island Beach Rd. / William Floyd Pkwy.
(40.73340, -72.86561) 		Rotary
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified)
Quogue, NY
Suffolk Co.
United States 		Post Ln. / Niamogue Ln.
(40.81284, -72.59672) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		Circle with roundabout features.
Patchogue, NY
Suffolk Co.
United States 		Holbrook Rd. / Lake St.
(40.76695, -73.01946) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2020 Replaces triangle-shaped intersection with stop and yield control. https://www.suffolkcountynews.net/stories/lake-street-west-avenue-traffic-circle-to-open,86421
Bay Shore, NY
Suffolk Co.
United States 		Robert Moses State Parkway / Robert Moses Causeway
(40.62361, -73.26164) 		Rotary
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified)
Great River, NY
Suffolk Co.
United States 		Heckscher State Pkwy. / Heckscher State Pkwy.
(40.71337, -73.16494) 		Rotary
Existing 		Other
Unknown 		3 Approaches
0 Driveways
198.1200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Stop control on circulatory roadway.
Eastport, NY
Suffolk Co.
United States 		Hamptons Court Dr W / Hamptons Court Dr. E
(40.84068, -72.73421) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Smithtown, NY
Suffolk Co.
United States 		Redan Dr. / Raynors Way
(40.82879, -73.21520) 		Other
Unknown 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown