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
Windsor, ON Essex Canada	Mickey Renaud Way / Memorial Cup Way (42.32027, -82.92792)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.0000	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2009).
Medford, OR Jackson Co. United States	Highland Dr. / Siskiyou Blvd. (42.32110, -122.84986)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2006	Elliptical shaped. ICD = 140 ft x 125 ft. Fire station on south leg.
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.
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.
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.
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.
Dexter, MI Washtenaw Co. United States	Baker Rd. / Shield Rd. / Dongara Dr. (42.32529, -83.88714)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2018
Windsor, ON Essex Canada	Riverside Dr. / Manning Rd. (42.32627, -82.86818)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 19.4259	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2012-2014 - streetview). 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.
Scio Township, MI Washtenaw Co. United States	Baker Rd. / Dan Hoey Rd. (42.32693, -83.88729)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2018
Medford, OR Jackson Co. United States	E Main St. / E 8th St. (42.32781, -122.86861)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Bicycle-only circular intersection.
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.
Kalamazoo, MI Kalamazoo Co. United States	Gull Rd. / G Ave. (42.33324, -85.50268)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://wwmt.com/news/local/roundabout-opens-on-gull-road-in-comstock-township
Northampton, MA Hampshire Co. United States	Rte 9 (Bridge St.) / Damon Rd. / I-91 NB Off-Ramp (42.33358, -72.62071)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2021	Year Completed estimated (2018-2021).
North Chicago, IL Lake Co. United States	W Dugdale Rd. / 14th St. (42.33414, -87.86542)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.3784	Other (At-Grade) Single-Lane	2019	https://www.chicagotribune.com/suburbs/lake-county-news-sun/opinion/ct-lns-moran-14th-street-roundabout-st-1106-20191105-ks75xkqok5bm5ok3h5u5q64mtu-story.html 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.
Chelsea, MI Washtenaw Co. United States	M-52 (Stockbridge Chelsea Rd.) / Werkner Rd. (42.33671, -84.02885)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2016
Medford, OR Jackson Co. United States	OR 238 (Rossanley Dr.) / Cheshire Way / (unknown) (42.34081, -122.90492)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2023	Tactile directional indicators across bicycle ramps.
Medford, OR Jackson Co. United States	N Cottage St. / Ohio St. (42.34260, -122.88285)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.1932	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2012). West leg religned to southwest 2016-2017. ICD estimated from Google Maps linework. 21442
Northampton, MA Hampshire Co. United States	Main St (Rte 9) / Bridge Rd (42.34356, -72.68114)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.6618	Other (At-Grade) Single-Lane	2011	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.
Medford, OR Jackson Co. United States	Springbrook Rd. / Cedar Links Dr. (42.35287, -122.84582)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.medfordoregon.gov/News-Articles/Springbrook-Road-Improvement-Project
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.
Berlin, MA Worcester Co. United States	River Rd W / Basset Rd (42.35534, -71.62343)	Roundabout Existing	All-Way Yield Other	4 Approaches 0 Driveways 32.6557	Other (At-Grade) Single-Lane	2016	X-W11-2 installed on all approaches splitter islands with crosswalks (high vis ladders) new sidewalks around the roundabout. context in development, more mixed-use seems to be planned for the future ICD estimated from Google Maps linework.
Berlin, MA Worcester Co. United States	River Rd W / South St / Whitney Rd (42.35764, -71.62354)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 60.0136	Other (At-Grade) Single-Lane		New pavement markings (shark teeth and definition of circular roadway) in 2016 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.
Woodstock, IL McHenry Co. United States	Charles Rd. / Raffel Rd. (42.36007, -88.42864)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.9483	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Newfield Hamlet, NY Tompkins Co. United States	Elira Rd. (Rte 13) / Trumbull Corners Rd. (Rte 133) (42.36021, -76.59969)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.6531	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Chatham, NY Columbia Co. United States	Rte 66 / Rte 295 (42.36392, -73.59497)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.9441	Other (At-Grade) Single-Lane	2009	Small single-laner in village setting. ICD estimated from Google Maps linework.
Salem Township, MI Washtenaw Co. United States	N Territorial Rd. E / Pontiac Trl. (42.36546, -83.65682)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.wcroads.org/wcrc-project/pontiac-tr-n-territorial-rd-roundabout/
Bath, NY Steuben Co. United States	Rte 415 / Rte 53 (Main St.) (42.36996, -77.36402)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.0600	Other (At-Grade) Single-Lane	2019	ICD estimated from Google Maps linework.
West End, MA Middlesex Co. United States	US 20 / I-95 Ramps (42.37131, -71.26901)	Rotary Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 43.2357	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		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
Central Point, OR Jackson Co. United States	Taylor Rd. / Silver Creek Dr. (42.37467, -122.92876)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.0579	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
South Haven Township, MI Van Buren Co. United States	M-43 / 12th Ave. / 72nd St. (42.37490, -86.24413)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways 42.3509	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Gurnee, IL Lake Co. United States	Almond Rd. / Dada Dr. (42.37601, -87.98463)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2018	https://www.gurnee.il.us/government/departments/community-development/engineering/almond-and-dada-intersection
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.
Northfield Township, MI Washtenaw Co. United States	N Territorial Rd. / US 23 SB Ramps (42.37952, -83.75786)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2017	Merging right-turn bypass lane on west leg.
Northfield Township, MI Washtenaw Co. United States	N Territorial Rd. / US 23 NB Ramps (42.37969, -83.75634)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2017	Merging right-turn bypass lane on east leg.
Johnsburg, IL McHenry Co. United States	Johnsburg Rd. / St Johns Ave. / N Chapel Hill Rd. (42.38032, -88.24188)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5249	Other (At-Grade) Single-Lane	2014	Elliptical shape. Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Grosse Pointe Park, MI Wayne Co. United States	Kercheval Ave. / Wayburn St. (42.38076, -82.94229)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.4090	Other (At-Grade) Single-Lane	2014	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.
Amherst, MA Hampshire Co. United States	E Pleasant St / Triangle St (42.38156, -72.51932)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.3487	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Waltham, MA Middlesex Co. United States	Beaver St. / Lyman St. (42.38402, -71.23042)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways 51.8160	Other (At-Grade) Single-Lane	2015	Unknown date of origin as traffic circle. Converted to roundabout 2015-2016.
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.
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.
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.
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.
Hudson, MA Middlesex Co. United States	Washington St (Rte 85) / Central S / Main St (Rte 62) (42.39127, -71.56985)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 21.1699	Other (At-Grade) Single-Lane		On street parking in circulatory roadway ICD estimated from Google Maps linework.
Machesney Park, IL Winnebago Co. United States	Swanson Rd. / Perryville Rd. (42.39150, -88.99469)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.6369	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
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.
Amherst, MA Hampshire Co. United States	Pleasant St / Governors Dr / Eastman Ln (42.39522, -72.52693)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7529	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Northville, MI Wayne Co. United States	Johnson Creek Dr. / (park entrance) (42.39610, -83.51860)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2002-2005).
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.
Lake Villa, IL Lake Co. United States	Cedar Lake Rd. / Monaville Rd. (42.39797, -88.09213)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.9254	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Lake Villa, IL Lake Co. United States	Monaville Rd. / N Fairfield Rd. (42.40096, -88.11041)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.lakecountyil.gov/3686/Fairfield-Rd
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.
Northville, MI Wayne Co. United States	Carriage Way / Glacier Rd. (42.40220, -83.53576)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2002-2005).
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.
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.
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
Northville, MI Wayne Co. United States	Yellowstone Dr. / Johnson Creek Dr. (42.40412, -83.52414)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2005
Belmont, MA Middlesex Co. United States	Marsh St / Prospect St (42.40767, -71.18126)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways 45.7200	Other (At-Grade) Single-Lane		Year Completed unknown. No changes from original configuration.
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.
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.
Worthington, MA Hampshire Co. United States	Huntington Rd. / Buffington Hills Rd. / Old North Rd. / Williamsburg Rd. (42.41024, -72.93700)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2020	https://www.gazettenet.com/Worthington-Roundabout-38263037
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.
Salem, MI Washtenaw Co. United States	Pontiac Trl. / 7 Mile Rd. (42.41368, -83.64647)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2020	https://www.wcroads.org/wcrc-project/pontiac-trail-and-7-mile-road-roundabout/
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.
Stara Zagora, Stara Zagora Stara Zagora Bulgaria	ulitsa Dimcho Staev / ulitsa Anastasiya Tosheva / bulevard Slavyanski / ulitsa Georgi Baydanov (42.41817, 25.62058)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Stara Zagora, Stara Zagora Stara Zagora Bulgaria	ulitsa Bratya Zhekovi / ulitsa Anastasiya Tosheva / bulevard Slavyanski (42.41818, 25.62063)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
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.
Podgorica, Montenegro	M2-E65-E80 (Zetskih vladara - Bulevar Georgija Žukova) / M18 (Vojislavljevica) / 4. Jul (42.42052, 19.25497)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
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.
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.
South Hill, NY Tompkins Co. United States	Alumni Cir. / Conservatory Dr. / Grant Egbert Blvd. (42.42153, -76.49961)	Other Existing	Other Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)		Stop control on circulatory roadway.
Old Mill Creek, IL Lake Co. United States	Hunt Club Rd. / Milburn Rd. / W. Simpson Rd. (42.42212, -87.97259)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.9640	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
White City, OR Jackson Co. United States	OR 140 / Atlantic Ave. / Foothill Rd. (42.42259, -122.81859)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2020	https://content.govdelivery.com/accounts/ORDOT/bulletins/2a5a500
Kinderhook, NY Columbia Co. United States	US 9 / Rte 9H / State Farm Rd. (42.42835, -73.68868)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 38.7886	Other (At-Grade) Single-Lane	2006	This was built to replace traffic lights when a shopping plaza was being added - US Route 9 has North and South, State Rt 9H South, State Farm Road (Town Road) and the entrance to the plaza, which makes it an unusual set up (5 Entries with 9 and 9H creating a Y shape, and then the plaza/state farm entries across from each other, going across the stem of the Y). ICD estimated from Google Maps linework.
Northfield Township, MI Washtenaw Co. United States	W 8 Mile Rd. / US 23 NB Ramps (42.42882, -83.76591)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Freeway Ramps (Grade-Separated) Single-Lane	2017
Wadsworth, IL Lake Co. United States	W Wadsworth Rd. / Dilleys Rd. (42.42897, -87.94581)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.youtube.com/watch?v=R7rA-rscA70
Northfield Township, MI Washtenaw Co. United States	W 8 Mile Rd. / US 23 SB Ramps (42.42923, -83.76779)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2017	Add-lane right-turn bypass lane on west leg.
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.
Old Mill Creek, IL Lake Co. United States	Hunt Club Rd. / W. Wadsworth Rd. (42.42938, -87.97247)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.4326	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Northfield Township, MI Livingston Co. United States	W 8 Mile Rd. / Whitmore Lake Rd. (42.42944, -83.76903)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2017
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
Ithaca, NY Tompkins Co. United States	Spencer St. / Elmira Rd. / Park St. / Albany St. (42.43167, -76.50152)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 34.3790	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Northville, MI Washtenaw Co. United States	Eight Mile Rd. / Currie Rd. (42.43382, -83.59039)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.rcocweb.org/529/Currie-Road-COMPLETE
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.
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.
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.
Collegetown, NY Tompkins Co. United States	College Ave. / Oak Ave. (42.44258, -76.48522)	Unknown Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Year Completed estimated (2021-2022).
Northville, MI Oakland Co. United States	Taft Rd. / Morgan Blvd. (42.44300, -83.49355)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.7966	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2007-2010). ICD estimated from Google Maps linework.
Peosta, IA Dubuque Co. United States	Peosta St / NICC Dr (42.44531, -90.84966)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 103.1146	Other (At-Grade) Single-Lane	2012	Entrance to Northeast Iowa Community College ICD estimated from Google Maps linework.
Podgorica, Montenegro	18. jula / 13. jula / Moskovska (42.44744, 19.25062)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
South Lyon, MI Oakland Co. United States	Nine Mile Rd. / Currie Rd. (42.44831, -83.59180)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	Opened November 21, 2022.
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
Fredonia, NY Chautauqua Co. United States	US 20 (E Main St.) / Rte 60 (Bennett Rd. (42.45043, -79.30792)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2020	https://www.post-journal.com/news/latest-news/2020/12/major-construction-completed-on-roundabout/
Novi, MI Oakland Co. United States	W 9 Mile Rd. / Taft Rd. (42.45158, -83.49410)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.candgnews.com/news/novi-council-approves-lighting-for-new-roundabout-635
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.