Roundabouts Database Index

29411 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.

City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Hagerstown, MD Washington Co. United States	Observatory Dr. / Meridian Dr. (39.61678, -77.67508)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1999-2005).
Easton, MD Talbot Co. United States	Lakelands Dr. / Superior Cir. (38.74048, -76.06518)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on three legs.
White Marsh Station, MD Baltimore Co. United States	Carrington Dr. / Jerome Ave. (39.40574, -76.40236)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Urbana, MD Frederick Co. United States	Hartwick Ln. / Singleton Terrace (39.33399, -77.33970)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Urbana, MD Frederick Co. United States	Royal Crest Cir. / Aberdeen Way (39.34020, -77.33396)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Urbana, MD Frederick Co. United States	Braidwood Dr. / Ethan Ridge Ave. (39.34386, -77.32911)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2009).
Baltimore, MD Baltimore City United States	Whetstone Way / (parking) (39.26820, -76.60021)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Baltimore, MD Baltimore City United States	New Hope Circle (39.29360, -76.60289)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian access to central island. Parking along circulatory roadway.
Baltimore, MD Baltimore City United States	S President St. / Aliceanna St. (39.28317, -76.60158)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on three legs.
Sanford, ME York Co. United States	William Oscar Emery Dr. / Gowen Park Dr. / Front St. (43.44667, -70.78124)	Other Existing	Other Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Yield on circulatory roadway.
Waterville, ME Kennebec Co. United States	Mayflower Hill Dr. / Campus Dr. (44.56711, -69.65733)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 42.6717	Other (At-Grade) Single-Lane	2021	Replaced triangle of intersections. Diameter estimated. Bicycle facilities.
Westbrook, ME Cumberland Co. United States	Rock Row / (parking) (43.67594, -70.33160)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2020
Portland, ME Cumberland Co. United States	Deering Ave. / Falmouth St. / Brighton Ave. (43.66174, -70.27892)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	Oval shaped. https://www.portlandmaine.gov/2286/Deerings-Corner-Roundabout
West Gardiner, ME Kennebec Co. United States	Rte 9-Rte 126 / I-95 NB Ramps / Service Plaza Dr. (44.20896, -69.82823)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.2365	Freeway Ramps (Grade-Separated) Single-Lane	2015	ICD estimated from Google Maps linework.
Orono, ME Penobscot Co. United States	Stillwater Ave. / Forest Ave. (44.89217, -68.70227)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.8442	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Gorham, ME Cumberland Co. United States	New Portland Rd. / Libby Ave. / Brackett Rd. (43.67815, -70.41358)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.4148	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Augusta, ME Kennebec Co. United States	Rte 3 / I-95 NB Ramps (44.35353, -69.78083)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.1156	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Augusta, ME Kennebec Co. United States	Rte 3 / I-95 SB Ramps / Old Belgrade Rd. (44.35796, -69.78470)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 46.1121	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Bangor, ME Penobscot Co. United States	Godfrey Blvd. / Maine Ave. (44.81370, -68.81322)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.9047	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Howland, ME Penobscot Co. United States	Coffin St. / Lagrange Rd. / River Rd. (45.23886, -68.66019)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 105.1237	Other (At-Grade) Single-Lane	2012	Combined two one-way stop-controlled T-intersections and a new bridge alignment into a single-lane roundabout. ICD estimated from Google Maps linework.
Windham, ME Cumberland Co. United States	River Rd. / Windham Center Rd. (43.79915, -70.44025)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 18.9647	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Blue Hill, ME Hancock Co. United States	Beech Hill Rd. / Mines Rd. / Tenney Hill / South St. (44.40825, -68.59763)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.4214	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Bath, ME Sagadahoc Co. United States	State Rd. / Congress Ave. (43.90587, -69.83261)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.8381	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Windham, ME Cumberland Co. United States	US 202 / US 302 (43.80299, -70.40595)	Rotary Existing	Unknown None	4 Approaches 0 Driveways 84.4736	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Gorham, ME Cumberland Co. United States	US 202 / Rte. 4 / Rte. 237 (43.72846, -70.42525)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.0285	Other (At-Grade) Single-Lane	1997	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Kennebunk, ME York Co. United States	Fletcher (Rte 35) / Storer St. (43.39060, -70.54562)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.4334	Other (At-Grade) Single-Lane	2003	Completed Fall 2003. Legs at 6, 8, and 10 oclock, plus a driveway. ICD estimated from Google Maps linework.
Kittery, ME York Co. United States	US 1 / Rte 236 (43.10072, -70.74415)	Rotary Existing	Unknown Unknown	0 Approaches 0 Driveways 91.5646	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Gorham, ME Cumberland Co. United States	Rte. 112 / Rte. 114 (43.65213, -70.42751)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7999	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	ICD estimated from Google Maps linework.
Gorham, ME Cumberland Co. United States	Rte. 112 / Rte. 4 (43.66904, -70.45676)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.8284	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Gorham, ME Cumberland Co. United States	Rte. 112 / Rte. 25 (43.67923, -70.46568)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.0054	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	ICD estimated from Google Maps linework.
Caribou, ME Aroostook Co. United States	US 1 / Main St. (46.87866, -68.01031)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.7370	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Sanford, ME York Co. United States	Rte 109 (Main St.) / Rte 4 (Alfred Rd.-Country Club Rd.) (43.41111, -70.74237)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.2481	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Yield-controlled right-turn bypass lane on north leg. ICD estimated from Google Maps linework.
Auburn, ME Androscoggin Co. United States	Turner St. / North Parking (44.12178, -70.23315)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.2930	Other (At-Grade) Single-Lane	2008	Two right-turn bypass lanes. In shopping center. ICD estimated from Google Maps linework.
Auburn, ME Androscoggin Co. United States	Turner St. / South Parking (44.11903, -70.23272)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7239	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Right-turn bypass lane. In shopping center. ICD estimated from Google Maps linework.
Biddeford, ME York Co. United States	(parking access) / (parking lot) (43.47416, -70.51186)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.3347	Other (At-Grade) Single-Lane	2007	Separate right-turn lane on one approach. In shopping center. ICD estimated from Google Maps linework.
Augusta, ME Kennebec Co. United States	Cony Circle (Rte. 9 / Rte. 100 / Rte. 17 / Rte. 105) (44.31622, -69.76796)	Roundabout Existing	Unknown Unknown	5 Approaches 0 Driveways 55.5448	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Converted from old traffic circle to roundabout. Previously controlled by circle ICD estimated from Google Maps linework.
Calais, ME Washington Co. United States	US 1 / Border Station Connection (45.16136, -67.29103)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0012	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Augusta, ME Kennebec Co. United States	US 202 / Rte. 17 / Rte. 11 / Rte. 27 (44.31047, -69.77929)	Rotary Existing	Unknown Unknown	5 Approaches 0 Driveways 71.7881	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Bangor, ME Penobscot Co. United States	Maine Ave. / Vermont Ave. / Texas Ave. (44.81051, -68.80379)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.8234	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Standish, ME Cumberland Co. United States	Ossipee Trl. (Rte 25) / Manchester Rd. / Saco Rd. (43.73761, -70.63064)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019
Boothbay, ME Lincoln Co. United States	Wiscasset Rd. (Rte 27) / Common Dr. / Corey Ln. (43.87517, -69.63386)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.4373	Other (At-Grade) Single-Lane	2018	https://lcnme.com/currentnews/damariscotta-contractor-wins-statewide-award-for-boothbay-roundabout/ replaced two T-intersections. ICD estimated from Google Maps linework.
South Portland, ME Cumberland Co. United States	Cottage Rd. / Ocean St. / E St. (43.63825, -70.25291)	Other Existing	All-Way Stop Unknown	5 Approaches 0 Driveways 24.2018	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Dayton, ME York Co. United States	New County Rd. / Clark Mills Rd. / Hight Rd. / Goodwins Mills Rd. (43.54381, -70.59252)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 23.3741	Other (At-Grade) Unknown	2018	ICD estimated from Google Maps linework.
Orono, ME Penobscot Co. United States	US 2 (Park St.) / Rangeley Rd. (44.89256, -68.66258)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	3 Approaches 1 Driveways 37.2284	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Hybrid multilane roundabout with right-turn bypasses. ICD estimated from Google Maps linework.
Falmouth, ME Cumberland Co. United States	Rte 9 (Longwoods Rd.) / Middle Rd. / Woods Rd. (43.73522, -70.23748)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.3811	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Ueckermünde, Mecklenburg-West Pomerania Vorpommern-Greifswald Germany	Chausseestraße / Liepgartener Straße / Am Tierpark (53.73357, 14.03576)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Čakovec, Međimurje Croatia	Ulica Zrinsko Frankopanska / Vukovarska (46.38832, 16.42743)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Sveti Martin na Muri, Međimurje Croatia	Ž2003 (Čakovečka) / Ž2005 / Gospodarska / Hrvatskih branitelja (46.52162, 16.37499)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Oval shaped.
Medvode, Medvode Slovenia	SR 211 (Gorenjska cesta) / SR 413 (Zbiljska cesta) / Finžgarjeva ulica (46.14734, 14.40959)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Medvode, Medvode Slovenia	Cesta na Senico / Finžgarjeva ulica / Ostrovrharjeva ulica (46.14700, 14.40449)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Medvode, Medvode Slovenia	Spodnja Senica / Cesta na Senico / Ladja (46.14934, 14.39606)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Medvode, Medvode Slovenia	SR 413 (Zbiljska Cesta - Zbilje) / Zbilje (46.15739, 14.41173)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Drobeta-Turnu Severin, Mehedinţi Romania	DN6 (Bulevardul Tudor Vladimirescu) / Bulevardul Aluniș / Strada Dimitrie Bolintineanu (44.63057, 22.64056)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Drobeta-Turnu Severin, Mehedinţi Romania	DN6 (Bulevardul Tudor Vladimirescu - Calea Timișoarei) / Bulevardul Carol I (44.62406, 22.63831)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Godoy Cruz, Mendoza Godoy Cruz Argentina	Corredor del Oeste Juan Domingo Perón / Corredor del Oeste (-32.95784, -68.87279)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Godoy Cruz, Mendoza Godoy Cruz Argentina	Rotonda Eva Perón [Calle Doctor Lorenzo Soler / Calle Juan Isuani] (-32.93968, -68.86684)	Rotary Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Las Heras, Mendoza Las Heras Argentina	Rotonda Hilario Cuadros [Rotonda Hilario Cuadros / Calle Julio A. Roca / Calle César Palacios / Avenida Boulogne Sur Mer] (-32.85240, -68.85928)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Las Heras, Mendoza Las Heras Argentina	Avenida Boulogne Sur Mer / Calle Río Diamante / Calle Almirante Brown (-32.84645, -68.86073)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Las Heras, Mendoza Las Heras Argentina	Rotonda Del Avión [RN-40 (Acceso Norte) / Calle Mathus Hoyos / Calle Santiago del Estero] (-32.87202, -68.81769)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Iztapalapa, Mexico City Iztapalapa Mexico	Calle Oriente 160 / Retorno 504 de Unidad Modelo (19.36472, -99.12510)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Parking along circulatory roadway.
Iztapalapa, Mexico City Iztapalapa Mexico	Retorno 504 de Unidad Modelo / Calle Cruz del S / Avenida Exhacienda de Gudalupe (19.36085, -99.12704)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Parking along circulatory roadway.
Miguel Hidalgo, Mexico City Miguel Hidalgo Mexico	Calle Campos Elíseos / Calle Polanco / Calle Schiller (19.43015, -99.18634)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown		Pedestrian access to central island.
Miguel Hidalgo, Mexico City Miguel Hidalgo Mexico	Calle Rubén Darío / Calle Campos Elíseos (19.42984, -99.18267)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown		Pedestrian access in central island.
Miguel Hidalgo, Mexico City Miguel Hidalgo Mexico	Calle Campos Elíseos / Calle Lamartine (19.42932, -99.18981)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Miguel Hidalgo, Mexico City Miguel Hidalgo Mexico	Calle Campos Elíseos / (unknown) (19.42799, -99.19352)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Pune, MH Pune India	Veer Baji Pasalkar Path / Baji Pasalkar Marg (18.49728, 73.85415)	Unknown Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Mumbai, MH Mumbai India	Khan Abdul Gaffar Khan Rd. / Prabhadevi New Rd. / Sir Pochkhanwala Marg (19.01525, 72.81726)	Unknown Existing	Unknown None	3 Approaches 1 Driveways	Other (At-Grade) Unknown
Thane, MH Thane India	Ahilya Gokul Patil Rd. / Jagadguru Adishankaracharya Marg (19.04355, 73.02237)	Unknown Existing	Unknown None	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Northwest Warren, MI Macomb Co. United States	William Durant Blvd. / Charles Chayne Rd. (42.50727, -83.04056)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 62.4840	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Inside General Motors plant.
Northwest Warren, MI Macomb Co. United States	Edward Cole Blvd. / Louis Chevrolet Rd. (42.51705, -83.03027)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 62.4840	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Inside General Motors plant. Year Completed estimated (2003-2005).
Midland, MI Midland Co. United States	E Freeland Rd. / S Sasse Rd. (43.52518, -84.22937)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2021	Rural, high-speed approaches.
Freeland, MI Saginaw Co. United States	W Freeland Rd. / N River Rd. (43.52509, -84.13434)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2020	https://www.tittabawassee.org/news_detail_T5_R8.php
Grand Ledge, MI Eaton Co. United States	M-43 (E Grand Ledge Hwy.) / (school access road) (42.74365, -84.75917)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.fox47news.com/neighborhoods/delta-township-grand-ledge/grand-ledge-public-schools-roundabout-project-on-m-43-is-complete
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
Traverse City, MI Grand Traverse Co. United States	M-37 / Blair Townhall Rd. (44.64295, -85.65605)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.record-eagle.com/news/missing-the-curve-tractor-trailer-gets-hung-up-in-new-m-37-roundabout/article_0be65b22-e8b0-11eb-9678-3766a742bc20.html.
Grand Blanc, MI Genesee Co. United States	E Cook Rd. / Dort Hwy. (42.90188, -83.65195)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.mlive.com/news/flint/2020/11/dort-highway-extension-roundabouts-now-open-to-traffic.html
Grand Blanc, MI Genesee Co. United States	S Dort Hwy. / I-75 SB Ramps (42.90437, -83.65300)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2020	https://www.mlive.com/news/flint/2020/11/dort-highway-extension-roundabouts-now-open-to-traffic.html
Grand Blanc, MI Genesee Co. United States	S Dort Hwy. / I-75 NB Ramps (42.90822, -83.64880)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2020	https://www.mlive.com/news/flint/2020/11/dort-highway-extension-roundabouts-now-open-to-traffic.html
Brighton, MI Livingston Co. United States	Maltby Rd. / (middle school access) (42.50039, -83.78169)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2015).
Marquette, MI Marquette Co. United States	N Lakeshore Blvd. / Wright St. (46.56387, -87.39004)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	Both Wright St and Lakeshore Blvd were rerouted. https://www.facebook.com/uppermichiganssource/videos/lakeshore-boulevard-roundabout-oct-7-2020/347038979703362/
Munising, MI Alger Co. United States	E Munising Ave. / M-28 (46.40970, -86.64977)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.uppermichiganssource.com/2020/11/02/work-on-roundaboutroad-repair-project-in-munising-nearly-done-for-the-year/
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
Port Huron, MI St. Clair Co. United States	Range Rd. / Dove Rd. / I-94 EB Off-Ramp (42.94948, -82.50186)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Unknown	2020	https://www.thetimesherald.com/story/news/2020/09/02/range-and-dove-roads-roundabout-set-open-soon/5691922002/
Colon, MI St. Joseph Co. United States	W Colon Rd. / Farrand Rd. (41.96554, -85.33907)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.patriotledger.com/story/news/politics/county/2020/08/06/roundabout-way-intersection-project-complete/114367056/
Ann Arbor, MI Washtenaw Co. United States	N Wagner Rd. / Miller Rd. (42.30551, -83.80006)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.9664	Other (At-Grade) Single-Lane	2020	https://www.wcroads.org/wcrc-project/miller-road-bridge-and-roundabout/
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
Muskegon, MI Muskegon Co. United States	Beach St. / Lakeshore Dr. (43.21957, -86.33019)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.mlive.com/news/muskegon/2020/06/roundabout-at-muskegons-pere-marquette-beach-opens-to-traffic.html
Marquette, MI Marquette Co. United States	US 41 / CR HQ (46.54939, -87.46102)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	Year Completed estimated (2019-2020).
Raisin, MI Lenawee Co. United States	Occidental Hwy. / Sutton Rd. (41.94840, -83.97733)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2020	Fully traversable central island. Opened June 2020. https://www.lenconnect.com/news/20200618/occidental-sutton-roundabout-open
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
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
Marquette Township, MI Marquette Co. United States	US 41 / Brickyard Rd. (46.54856, -87.47286)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.9977	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	https://www.radioresultsnetwork.com/2019/11/05/marquette-us-41-roundabouts-opening-on-wednesday/ 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/
Grand Blanc Township, MI Genesee Co. United States	E Hill Rd. / Belsay Rd. (42.94531, -83.59820)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.1019	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Soo Township, MI Chippewa Co. United States	S Mackinac Trl. / Three Mile Rd. / I-75 Business Spur (46.46298, -84.37301)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 50.1835	Other (At-Grade) Single-Lane	2018	Combined two intersections: Mackinac Trail/I-75 Bus. Spur (traffic light) and Mackinac Trail/3 MIle Rd (one-way stop) ICD estimated from Google Maps linework.
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.
Adrian, MI Lenawee Co. United States	Michigan Ave. / S Charles St. / Adrian College Blvd. (41.89566, -84.06310)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 25.7814	Other (At-Grade) Single-Lane	2018	Adrian College Blvd. is a new street giving access to Adrian College from US 223. ICD estimated from Google Maps linework.
Grand Rapids, MI Kent Co. United States	N Park St. NE / Briggs Blvd. NE / Monroe Ave. NE (43.02218, -85.65964)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.6875	Other (At-Grade) Single-Lane	2015	Previous right-turn bypass lane converted into bike-only right-turn bypass lane feeding a two-way separated bike facility. Year Completed estimated (2013-2016). ICD estimated from Google Maps linework.
Grand Rapids, MI Kent Co. United States	Monroe Ave. NE / Riverside Dr. NE / 3 Mile Rd. NE (43.01350, -85.66388)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.1985	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2016). ICD estimated from Google Maps linework.
Grand Rapids, MI Kent Co. United States	Monroe Ave. NE / Guild St. NE (43.00642, -85.66828)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.9612	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2016). ICD estimated from Google Maps linework.