Roundabouts Database Index

30302 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
Pazardzhik, Pazardzhik Pazardzhik Bulgaria	ulitsa Hristo Kasapvelev / ulitsa Tsaritsa Yoanna / ulitsa D-r Nikola Lambrev (42.18316, 24.32002)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Norwood, MA Norfolk Co. United States	Brook St. / Nichols St. / Bullard St. / Minihan Ln. (42.18364, -71.23340)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Millbury, MA Worcester Co. United States	Main St / Elmwood St / Elm St / Faron Cir / Rte 146 Ramps (42.18731, -71.76704)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 33.6278	Freeway Ramps (Grade-Separated) Single-Lane	2018	ICD estimated from Google Maps linework.
Pittsfield Township, MI Washtenaw Co. United States	Campus Pkwy. / Suncrest Dr. / (parking) (42.18764, -83.74729)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2002
Millbury, MA Worcester Co. United States	Elm St / Elm Ct / Rte 146 Ramps (42.18783, -71.76618)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.2384	Freeway Ramps (Grade-Separated) Single-lane w/ Traversable Central Island	2018	ICD estimated from Google Maps linework.
Ypsilanti, MI Washtenaw Co. United States	Whittaker Rd. / Merrit Rd. (42.18812, -83.60861)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2016	Replaced skewed intersection.
Norwood, MA Norfolk Co. United States	Neponset St. / US 1 Ramps (42.18827, -71.18453)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 164.5920	Freeway Ramps (Grade-Separated) Single-Lane
Horseheads, NY Chemung Co. United States	Rte 13 / Old Ithaca Rd. / Breesport Rd. (42.18851, -76.79076)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.2025	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
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
Norwood, MA Norfolk Co. United States	Nichols St. / Victoria Cir. / Berwick Pl. (42.18956, -71.21498)	Other Existing	Other Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Three way Yield, One way Stop (From the western part of Nichols Street).
Pittsfield Township, MI Washtenaw Co. United States	Campus Pkwy. / Community Dr. (42.18982, -83.74387)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2002
Portage, MI Kalamazoo Co. United States	Zylman Ave. / Coxs Dr. (42.19367, -85.55061)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2020	Replaced offset T-intersections. Year Completed estimated (2018-2020).
Saline, MI Washtenaw Co. United States	Ann Arbor-Saline Rd. / Textile Rd. (42.19859, -83.79691)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-lane w/ Traversable Central Island	2016
Ann Arbor, MI Washtenaw Co. United States	Textile Rd. / Woodland Dr. (42.19953, -83.76754)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://thesalinepost.com/g/saline-mi/n/15400/washtenaw-county-road-commission-opens-roundabout-intersection-textile-woodland
Ypsilanti, MI Washtenaw Co. United States	Textile Rd. / Hitchingham Rd. (42.20169, -83.62088)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-lane w/ Traversable Central Island	2015
Ypsilanti, MI Washtenaw Co. United States	Textile Rd. / Stony Creek Rd. (42.20172, -83.62311)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-lane w/ Traversable Central Island	2016
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.
Millbury, MA Worcester Co. United States	Greenwood St. / McCracken Rd. (42.20395, -71.78713)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2025
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.
Norwood, MA Norfolk Co. United States	Washington St. / Upland Rd. / Prospect St. / Fulton St. (42.20417, -71.19667)	Other Removed	Other Unknown	5 Approaches 3 Driveways 0.0000	Other (At-Grade) Single-Lane	2025	Removed in 2025. Wide circular roadway. New pavement markings on circular roadway approx 2016 (e.g. splitter island, traffic lanes dedicated left-through-right on Prospect St). New pavement markings to extend/complete central island. Markings go into roadway on Washington Street. No additional pavement markings on Washington Street to delineate through-left. Missing or submerged curbs, various layers of resurfacing and fixtures of potholes. Sidewalks present, crosswalk present. Crosswalk along Washington Street very long (2 x 70 - 90 ft). Possible drainage issues, general water management concerns with condition existing inlets. Bus line 34E on Washington Street; bus stop just south of traffic circle.
Ypsilanti, MI Washtenaw Co. United States	Whittaker Rd. / Stony Creek Rd. (42.20999, -83.61936)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.4632	Unknown Multilane (2 Lane, unspecified)	2010	Fourth leg serves parking lot.
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.
Tecumseh, ON Essex Canada	Walker Rd. (CR 11) / S Talbot Rd. (42.21667, -82.96444)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2020	https://www.youtube.com/watch?v=TuFUrtqYzBs
Jackson, MI Jackson Co. United States	4th St. / Hickory Ave. (42.21719, -84.41821)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.5726	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Greenport, NY Columbia Co. United States	Rip Van Winkle Bridge (Rte 23) / Rhinebeck-Hudson Rd (Rte 9G) (42.21926, -73.83312)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 42.4557	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Jackson, MI Jackson Co. United States	4th St. / West Ave. (42.22067, -84.41847)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.3790	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Between 1999 and 2005. ICD estimated from Google Maps linework.
South Hadley, MA Hampshire Co. United States	US 202 (Purple Heart Dr.) / N Main St. (42.22171, -72.60281)	Rotary Existing	All-Way Yield None	5 Approaches 0 Driveways 292.6080	Other (At-Grade) Multilane (2 Lane, unspecified)		Oval shaped. ICD 960 ft x 640 ft.
Lincolnshire, IL Lake Co. United States	Everett Rd. / Riverwoods Rd. (42.22193, -87.90590)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.4539	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Mattawan, MI Van Buren Co. United States	N Main St. / I-94 EB Ramps (42.22215, -85.78540)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.9160	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Windsor, ON Essex Canada	Laurier Pkwy. / Mike Raymond Dr. (42.22251, -83.04987)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.9514	Other (At-Grade) Single-Lane	2011	Fourth approach stubbed. Year Completed estimated (2009-2012). 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.
Mattawan, MI Van Buren Co. United States	S Main St. / I-94 WB Ramps / Cole Ave. (42.22384, -85.78535)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 1 Driveways 57.4880	Freeway Ramps (Grade-Separated) Single-Lane	2011	ICD estimated from Google Maps linework.
Urbana, IA Benton Co. United States	SR 150 (31st Ave. - Sunset St.) / Sunset St. (55th St.) (42.22578, -91.89114)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://vintontoday.com/articles/news/article1033582.html
Jackson, MI Jackson Co. United States	Kibby Rd. / Denton Rd. (42.22748, -84.42911)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 46.8721	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Ann Arbor, MI Washtenaw Co. United States	State St. / Ellsworth Rd. (42.22938, -83.73901)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Offset crosswalks.
Portage, MI Kalamazoo Co. United States	Texas Dr. / W Milham Rd. / S 12th St. (42.23030, -85.64826)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.7206	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Crystal Lake, IL McHenry Co. United States	E Congress Pkwy. / Federal Dr. (42.23117, -88.30719)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 21.3360	Other (At-Grade) Single-Lane	2023	https://www.crystallake.org/your-government/departments/community-development/engineering/roundabout-information
Winnebago, NE Thurston Co. United States	US 75 / US 77 (42.23120, -96.47212)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.2574	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Oldcastle, ON Essex Canada	Hwy 9 / Hwy 3 / Hwy 401 WB Ramps / Hwy 401 EB Ramps (42.23142, -82.99124)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.1340	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2012	Year Completed estimated (2009-2014). 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.
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.
Crystal Lake, IL McHenry Co. United States	E Congress Pkwy. / Exchange Dr. (42.23256, -88.30131)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2023	https://www.crystallake.org/your-government/departments/community-development/engineering/roundabout-information
Spring Arbor, MI Jackson Co. United States	Dearing Rd. / McCain Rd. (42.23292, -84.54088)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	Peanut shaped. https://www.mlive.com/news/jackson/2023/09/it-looks-like-a-peanut-but-its-really-jacksons-newest-roundabout.html.
Ypsilanti Township, MI Washtenaw Co. United States	Wiard Rd. / Airport Dr. (42.23730, -83.56309)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2017
Lake Barrington, IL Lake Co. United States	Roberts Rd. / River Rd. (42.23849, -88.16919)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.8321	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Jackson, MI Jackson Co. United States	E Morrell St. / Martin Luther King Dr. (Francis St.) (42.24012, -84.40396)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	http://www.cityofjackson.org/CivicAlerts.aspx?AID=629
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.
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.
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.
Worcester, MA Worcester Co. United States	Arwick Ave. / Millbury St. / Olde Millbury St. (42.24747, -71.80182)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2020	https://spectrumnews1.com/ma/worcester/news/2020/07/25/mini-roundabout-worcester
Hawthorn Woods, IL Lake Co. United States	W Schwerman Rd. / Tournament Dr. (42.24819, -88.07133)	Other Existing	All-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
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.
Windsor, ON Essex Canada	Rte 3 (Malden Rd.) / Rte 6 (Todd Ln.) (42.25147, -83.06051)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.7819	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2010-2015). ICD estimated from Google Maps linework.
Klamath Falls, OR Klamath Co. United States	Campus Dr. / Daggett Ave. (42.25262, -121.78769)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.klamathfallsnews.org/news/campus-roundabout-construction-progressing-well
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.
Lake Forest, IL Lake Co. United States	N Field Dr. / Football Dr. (42.25435, -87.89853)	Other Existing	Other None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		South entry is uncontrolled; other entries are stop-controlled.
Worcester, MA Worcester Co. United States	Lovell St / Marywood St / Englewood Ave / Ferdinand St (42.25439, -71.83255)	Traffic Calming Circle Existing	Other None	5 Approaches 0 Driveways 24.7521	Other (At-Grade) Single-Lane		Control Type: 2 yield Lovell St; Other 3 approaches stop controlled. Some pavement markings to define circular roadway (arrows, dotted lines) and create 'splitter islands' on the approaches from Englewood Ave, Ferdinand St; Lovell NB. Crosswalks present. Residential area; local shop and laundromat at the roundabout. ICD estimated from Google Maps linework.
Green Island, MA Worcester Co. United States	Kelley Square [Vernon St. / Water St. / Madison St. / Harding St.] (42.25509, -71.79785)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2021	Peanut shaped. https://www.wbjournal.com/article/data-shows-fewer-kelley-square-crashes-since-peanut-redesign
Ann Arbor, MI Washtenaw Co. United States	Scio Church Rd. / S Wagner Rd. (42.25569, -83.79885)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-lane w/ Traversable Central Island	2017
Union Hill, MA Worcester Co. United States	Grafton St (Rte 122) / Hamilton St / Orient St (42.25577, -71.78528)	Traffic Calming Circle Existing	Other None	4 Approaches 2 Driveways 24.7515	Other (At-Grade) Single-Lane		Control Type: Grafton EB free flow, Grafton WB and Hamilton yield controlled, Orient St is stop controlled. Grafton St is Major road in terms of control type. On-street parking on the circular roadway. Wide lanes, limited pavement markings. Crosswalks present. Downtown and residential context. ICD estimated from Google Maps linework.
Kalamazoo, MI Kalamazoo Co. United States	S Sprinkle Rd. / I-94 EB Ramps (42.25819, -85.53116)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 73.1520	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2015
Kalamazoo, MI Kalamazoo Co. United States	Parkview Ave. / S 12th St. (42.25979, -85.65421)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.mlive.com/news/kalamazoo/2023/08/2-new-roundabouts-opening-friday-in-kalamazoo-county.html
Kalamazoo, MI Kalamazoo Co. United States	Parkview Ave. / S 11th St. (42.25981, -85.65816)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2023	https://www.mlive.com/news/kalamazoo/2023/08/2-new-roundabouts-opening-friday-in-kalamazoo-county.html
Rockford, IL Winnebago Co. United States	Seminary St. / College Ave. (42.26161, -89.09051)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.4721	Other (At-Grade) Single-Lane	2013	Right-turn bypass lane on west leg. 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
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.
Comstock Township, MI Kalamazoo Co. United States	S Sprinkle Rd. / I-94 WB Off-Ramp / E Cork St. (42.26233, -85.53094)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 62.4840	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2015
Sister Lakes, MI Washtenaw Co. United States	N Bay Dr. / Timmins Dr. / Chapleau Dr. (42.26417, -83.79140)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on three legs.
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
Parma, MI Jackson Co. United States	W Michigan Ave. / I-94 EB Ramps (42.26564, -84.61940)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022	https://jtv.tv/i-94-michigan-avenue-parma-interchange-to-reopen-tuesday/
Parma, MI Jackson Co. United States	W Michigan Ave. / Norton Rd. / I-94 WB Ramps (42.26653, -84.62125)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022	Combined two intersections. https://jtv.tv/i-94-michigan-avenue-parma-interchange-to-reopen-tuesday/
Figueres, Catalonia Girona Spain	Avenida de Vilallonga / Carretera de Roses / Calle del Arquitecto Ricardo Giralt / Ronda del Sud (42.26672, 2.97722)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Scio Township , MI Washtenaw Co. United States	W Liberty Rd. / Zeeb Rd. (42.26934, -83.83817)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.mlive.com/news/ann-arbor/2022/09/new-roundabout-near-ann-arbor-opens-after-weeks-of-construction.html
Westborough, MA Worcester Co. United States	E Main St. / Milk St. / South St. / Brigham St. (42.26951, -71.61304)	Other Existing	Other Unknown	5 Approaches 0 Driveways 39.7706	Other (At-Grade) Multilane (2 Lane, unspecified)		Mix of stop and yield control, parking along circulatory roadway, pedestrian access to central island. ICD estimated from Google Maps linework.
Dedham, MA Norfolk Co. United States	Needham St / Vine Rock St (42.26954, -71.18214)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 120.1954	Other (At-Grade) Single-Lane	2004	No crosswalks ICD estimated from Google Maps linework.
Worcester, MA Worcester Co. United States	Highland St / June St / Pleasant St / Newton Ave (42.26980, -71.82529)	Traffic Calming Circle Existing	Other Unknown	5 Approaches 0 Driveways 31.8163	Other (At-Grade) Single-Lane		Control type: 2 way stop, 3 way yield. remarkable: stop bar June St on circular roadway, after CW. Geometry is wide enough for two lanes although 4 out of 5 exits are single lane. Crosswalks present. New pavement markings crosswalk in approx. 2015. Residential contexts. Traffic Circle next to large neighborhood park. Two bus lines with bus 5 bus stops within 100 ft of the traffic circle. ICD estimated from Google Maps linework.
Blackman Township, MI Jackson Co. United States	Cooper St. / I-94 EB Ramps (42.27098, -84.40380)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2019	https://www.mlive.com/news/jackson/2019/12/take-a-ride-on-new-i-94-cooper-street-bridge-roundabouts-after-9-month-closure.html
Marshall, MI Calhoun Co. United States	I-94 Business (W Michigan Ave.) / M-227 (Kalamazoo Ave.) (42.27199, -84.96413)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 83.0730	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Ann Arbor, MI Washtenaw Co. United States	W Madison St. / Mount Vernon Ave. / Mount Pleasant Ave. / Eberwhite Blvd. (42.27355, -83.76147)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 22.8600	Other (At-Grade) Single-lane w/ Traversable Central Island	2023	Pedestrian crossings adjacent to circulatory roadway on west, north, and east legs. https://www.mlive.com/news/ann-arbor/2023/10/check-out-ann-arbors-new-mini-neighborhood-roundabout-now-open-to-traffic.html
Blackman Township, MI Jackson Co. United States	Cooper St. / I-94 WB Ramps (42.27376, -84.40371)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2019	https://www.mlive.com/news/jackson/2019/12/take-a-ride-on-new-i-94-cooper-street-bridge-roundabouts-after-9-month-closure.html
Ann Arbor, MI Washtenaw Co. United States	Geddes Rd. / US 23 NB Ramps (42.27440, -83.67437)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2011
Ann Arbor, MI Washtenaw Co. United States	Geddes Rd. / US 23 SB Ramps (42.27450, -83.67833)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.2440	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2011	Add-lane right-turn bypass lane in northwest quadrant.
Ann Arbor, MI Washtenaw Co. United States	Geddes Rd. / Earhart Rd. (42.27460, -83.68216)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2011	At Concordia College campus.
Jackson, MI Jackson Co. United States	N Elm Ave. / I-94-US 127 EB Ramps (42.27461, -84.38325)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 53.3400	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.michigan.gov/mdot/projects-studies/i-route-construction/i94-road-and-bridge-rebuilding-project-jackson-county
Ypsilanti, MI Washtenaw Co. United States	Geddes Rd. / Superior Rd. (42.27492, -83.63755)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Merging right-turn bypass lane in northeast quadrant.
Tecumseh, ON Essex Canada	County Road 42 / County Road 43 (Concession Road 11) / Banwell Rd. (42.27605, -82.89638)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2024	Combined two T-intersections by realigning CR 43 and Banwell Rd to the west. Previously, one was signalized and the other controlled by stop sign. https://www.countyofessex.ca/en/resident-services/county-road-42-reconstruction.aspx.
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/
Jackson, MI Jackson Co. United States	N Elm Ave. / I-94-US 127 WB Entrance Ramp (42.27627, -84.38357)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 48.7680	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.michigan.gov/mdot/projects-studies/i-route-construction/i94-road-and-bridge-rebuilding-project-jackson-county
Ypsilanti, MI Washtenaw Co. United States	Geddes Rd. / Ridge Rd. (42.27679, -83.55419)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2013
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.
Jackson, MI Jackson Co. United States	N Elm Ave. / Seymour Rd. / Rosehill Rd. (42.27724, -84.38398)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Single-Lane	2023	https://www.michigan.gov/mdot/projects-studies/i-route-construction/i94-road-and-bridge-rebuilding-project-jackson-county
Framingham, MA Middlesex Co. United States	Concord St. / Union Ave. (42.27911, -71.41673)	Roundabout Removed	Signal Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2016	Traffic circle was originally completed at some point between 2002 and 2003. Removed in 2016.
Kalamazoo, MI Kalamazoo Co. United States	W. Michigan Ave. / Rankin Ave. (42.28220, -85.61948)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 51.8160	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Concentric striping in circulatory roadway. Replaced stop-controlled intersection with one uncontrolled approach.
Freeport, IL Stephenson Co. United States	W Pearl City Rd. / Kiwanis Dr. / S Forest Rd. (42.28237, -89.66744)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.1116	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Ann Arbor, MI Washtenaw Co. United States	E Ann St / Observatory St. / (hospital access) (42.28240, -83.73114)	Roundabout Existing	All-Way Yield None	2 Approaches 3 Driveways 33.5280	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2007).
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.
Jackson, MI Jackson Co. United States	Springport Rd. / Rives Junction Rd. (42.28667, -84.46228)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.mlive.com/news/jackson/2023/04/new-roundabout-coming-soon-to-jackson-county-intersection.html
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.