Roundabouts Database

30320 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
Corning, NY
Steuben Co.
United States 		Robert Dann Blvd. / Aurene Dr. / Creekside Dr.
(42.16506, -77.11484) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.7216 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Access permits for research and development plant. ICD estimated from Google Maps linework.
Horseheads, NY
Chemung Co.
United States 		Rte 13 / E. Franklin St.
(42.16756, -76.80553) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
32.7531 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
York Township, MI
Washtenaw Co.
United States 		W Bemis Rd. / Moon Rd.
(42.17062, -83.73832) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.9936 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2018
Horseheads, NY
Chemung Co.
United States 		Rte 13 / Horseheads Connector Rd.
(42.17077, -76.80564) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023
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).
Ypsilanti, MI
Washtenaw Co.
United States 		Whittaker Rd. / Bemis Rd.
(42.17317, -83.60141) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023 https://www.wcroads.org/wcrc-project/bemis-rd-whittaker-rd-roundabout/
Klamath Falls, OR
Klamath Co.
United States 		OR 140 / Homedale Rd.
(42.17351, -121.72272) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021
Algonquin, IL
McHenry Co.
United States 		N Main St. / Cary Rd. / Arrowhead Dr.
(42.17487, -88.28598) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.facebook.com/AlgonquinIL/videos/710925177010156/
Marengo, IL
McHenry Co.
United States 		SR 23 / I-90 EB Ramps
(42.17539, -88.61798) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 Yield-controlled right turn bypass lane on east leg off freeway exit ramp. Merging right turn bypass lane on south leg onto freeway entrance ramp.
Horseheads, NY
Chemung Co.
United States 		Old Ithaca Rd. / Horseheads Connector Rd. / E St.
(42.17554, -76.81741) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023
Scituate, MA
Plymouth Co.
United States 		County Way / New Driftway / Main St. (Rte 123) / Chief Justice Cushing Hwy (Rte 3A)
(42.17701, -70.75060) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
58.4157 		Other (At-Grade)
Single-Lane 		2008 Pedestrian facilities, RTBPL ICD estimated from Google Maps linework.
Essex, ON
Essex
Canada 		Maidstone Ave. E (CR 8) / CR 23
(42.17719, -82.80347) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.5989 		Other (At-Grade)
Single-Lane 		2010 https://www.infrastructure.gc.ca/media/news-nouvelles/2010/20101112essexcounty-eng.html ICD estimated from Google Maps linework.
Marengo, IL
McHenry Co.
United States 		SR 23 / I-90 WB Ramps
(42.17930, -88.61798) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 Yield-controlled right turn bypass lane on east leg off freeway exit ramp. Merging right turn bypass lane on south leg onto freeway entrance ramp.
Marengo, IL
McHenry Co.
United States 		SR 23 / Harmony Rd.
(42.18243, -88.61803) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2020 Yield-controlled right-turn bypass lane on north leg.
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