Roundabouts Database Index

29465 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
Mooresville, IN Morgan Co. United States	Ayshire Cir. / Bean Blossom Dr. / Heartland Blvd. / (parking) (39.62938, -86.30377)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on northeast and southwest legs.
Moorebank, NSW Liverpool Australia	Brickmakers Dr. / Conlon Ave. (-33.93554, 150.96183)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Moore Park Beach, QLD Bundaberg Australia	Palm View Dr. / Acacia Dr. / Sylvan Dr. (-24.71150, 152.26879)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Moore Park Beach, QLD Bundaberg Australia	Murdochs Rd. / Pandanus St. / Murdochs Linking Rd. (-24.70928, 152.25587)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Moore, OK Cleveland Co. United States	Fritts Blvd. / Glenn Lewis Blvd. (35.31520, -97.49890)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2021	Fish-hook signage; yield pavement markings; truck apron.
Mooney Mooney, NSW Central Coast Australia	Old Pacific Hwy. / Peats Ferry Rd. / M1 (Pacific Motorway) NB Ramps / (parking) (-33.53117, 151.19921)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Moonee Beach, NSW Coffs Harbour Australia	Moonee Beach Rd. / Solitary Islands Way / M1 (Pacific Hwy.) NB Ramps (-30.20361, 153.14786)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Moonee Beach, NSW Coffs Harbour Australia	Moonee Beach Rd. / M1 (Pacific Hwy.) SB Ramps (-30.20364, 153.14958)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Moonah, TAS Glenorchy Australia	Hopkins St. / Gormanston Rd. (-42.84515, 147.29903)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island		Elliptical shaped.
Moonah, TAS Glenorchy Australia	Charles St. / Hopkins St. (-42.84684, 147.29301)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Moon Township, PA Allegheny Co. United States	SR 3070 / Resurrection Rd. / I-376 SB Ramps (40.48070, -80.20240)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.4290	Freeway Ramps (Grade-Separated) Single-Lane	2011	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Mooloolaba, QLD Sunshine Coast Australia	SR 6 (Brisbane Rd.) / Tarcoola Ave. / Foote St. (-26.68349, 153.11797)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Moolap, VIC Greater Geelong Australia	Townsend Rd. / Coppards Rd. (-38.18249, 144.40089)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Moody Air Force Base, GA Lowndes Co. United States	Burma Rd. / Stone Rd. / Warewolf Run (30.96722, -83.21139)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.8914	Other (At-Grade) Single-Lane	2007	Painted splitter islands. ICD estimated from Google Maps linework.
Moody Air Force Base, GA Lowndes Co. United States	Mitchell Blvd. / Georgia St. / Robinson Rd. (30.97833, -83.20778)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.6952	Other (At-Grade) Single-Lane	2005	Painted splitter islands. ICD estimated from Google Maps linework.
Moody Air Force Base, GA Lowndes Co. United States	Robbins Rd. / Burma Rd. / Georgia St. (30.97083, -83.21278)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.0583	Other (At-Grade) Single-Lane	2005	Painted splitter islands. ICD estimated from Google Maps linework.
Moody Air Force Base, GA Lowndes Co. United States	Stone Rd. / Davidson Rd. (30.96278, -83.21584)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.9414	Other (At-Grade) Single-Lane	2007	Painted splitter islands. Right turn bypass lane due to skew angle. ICD estimated from Google Maps linework.
Monza, Lombardy Monza e Brianza Italy	SP2 (Viale Libertà) / Viale Gian Battista Stucchi / SP60 (45.59207, 9.31135)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Monza, Lombardy Monza e Brianza Italy	Viale Gian Battista Stucchi / SP13 (Viale Sicilia) (45.58111, 9.30967)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Monza, Lombardy Monza e Brianza Italy	Viale Cesare Battisti / Via Lario / Viale Elvezia / Via Luciano Manara / Viale Lombardia (45.59056, 9.25374)	Roundabout Existing	All-Way Yield Pedestrian Signal (red-yellow-green to drivers)	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Monza, Lombardy Monza e Brianza Italy	SP527 (Via Lario) / Via Monte Curone (45.59103, 9.24844)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Monument, CO El Paso Co. United States	Woodcarver Rd. / Baptist Rd. (39.05651, -104.85853)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2015-2016).
Montview, VA Lynchburg City Co. United States	Odd Fellows Rd. / Mayflower Dr. (37.38051, -79.16013)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.5539	Other (At-Grade) Single-Lane	2019	https://www.virginiadot.org/projects/lynchburg/odd_fellows_road.asp ICD estimated from Google Maps linework.
Mont-Tremblant, QC Laurentides Region Canada	Montee Ryan / Chemin Duplessis (46.20699, -74.59426)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Opened fall 2002.
Mont-Tremblant, QC Les Laurentides Regional County Municipality Canada	Route Transcanadienne / Rue Vaillancourt (46.11568, -74.57664)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.4702	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	https://translate.google.com/translate?hl=en&sl=fr&u=https://auto.lapresse.ca/actualites/nouvelles/201309/13/01-4689204-carrefours-giratoires-attention-ca-tourne.php&prev=search Fourth approach stubbed. ICD estimated from Google Maps linework.
Mont-Tremblant, QC Les Laurentides Regional County Municipality Canada	Route Transcanadienne / Rue Siméon (46.11689, -74.56281)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.9853	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Under construction in Sept 2012 (Streetview). ICD estimated from Google Maps linework.
Mont-Tremblant, QC Les Laurentides Regional County Municipality Canada	Rue de St-Jovite / Rue Siméon (46.11775, -74.56303)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.4923	Other (At-Grade) Single-Lane	2013	Fourth approach stubbed. ICD estimated from Google Maps linework.
Mont-Tremblant, QC Les Laurentides Regional County Municipality Canada	Chemin Duplessis / Chemin du Versant-Soleil (46.19861, -74.57515)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.2000	Other (At-Grade) Single-Lane	2002	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Mont-Tremblant, QC Les Laurentides Regional County Municipality Canada	Chemin du Versant-Soleil / Chemin des Pleiades (46.19915, -74.56762)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.5864	Other (At-Grade) Single-Lane	2002	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Mont-Tremblant, QC Les Laurentides Regional County Municipality Canada	Chemin de la Constellation / Chemin du Versant-Soleil (46.20045, -74.56332)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.6258	Other (At-Grade) Single-Lane	2002	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Montrose, CO Montrose Co. United States	S Hillcrest Dr. / Sunnyside Rd. (38.47450, -107.85663)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 15.8954	Other (At-Grade) Single-Lane	2016	date: https://www.cityofmontrose.org/CivicAlerts.aspx?AID=1235 ICD estimated from Google Maps linework.
Montrose, CO Montrose Co. United States	Ogden Rd. / Woodgate Rd. (38.45096, -107.86297)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.7365	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
Montrose, CO Montrose Co. United States	Miami Rd. / Hillcrest Dr. (38.48179, -107.85677)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019	https://www.cityofmontrose.org/701/Miami-Hillcrest-Roundabout-Project
Montréal, QC Montréal Region Canada	Ave. Marie-Curie / Blvd. Alfred Nobel (45.48518, -73.76222)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.6801	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Completed November 1998. Functional Class: Collector ICD estimated from Google Maps linework.
Montreal, QC Montreal Canada	Boulevard René-Lévesque / Rue Jacques-le Ber / A-10 NB Onramp / A-15 WB Offramp (45.47093, -73.53801)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.8521	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2004-2009). ICD estimated from Google Maps linework.
Montreal, QC Montreal Canada	Carrefour Alexander-Graham-Bell (Chemin de la Pointe N / A-15 WB Offramp / A-10 NB Onramp) (45.47195, -73.54155)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 39.3640	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2004-2009). ICD estimated from Google Maps linework.
Montreal, QC Montreal Canada	Boulevard de l'Île des Soeurs / Boulevard René-Lévesque (45.46579, -73.54476)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.8555	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Montreal, QC Montreal Canada	Boulevard de l'Île des Soeurs / Place du Commerce / Chemin du Golf (45.46789, -73.54627)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 46.0676	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Montreal, QC Montreal Canada	Boulevard des Sources / Boulevard Riverdale / Rue Debours (45.51300, -73.82524)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.0000	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004).
Montreal, QC Montreal Canada	Avenue Pierre-de Coubertin / Avenue Desjardins (45.55450, -73.55120)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.0000	Other (At-Grade) Single-Lane	2021
Montreal, QC Montreal Canada	Avenue Pierre-de Coubertin / Rue Leclaire (45.56049, -73.54725)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.0000	Other (At-Grade) Single-Lane	2022	https://journalmetro.com/local/2986842/un-carrefour-giratoire-trop-dangereux-pour-les-cyclistes-et-les-pietons/
Montpelier, VT Washington Co. United States	US 2 (E Montpelier Rd.) / US 302 (River St.) (44.24660, -72.54959)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 2 Driveways 35.0775	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Montpelier, VT Washington Co. United States	Keck Circle (Main St. / Spring St.) (44.26283, -72.57178)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.6594	Other (At-Grade) Single-Lane	1995	Main Street Middle School located one block NE of roundabout. ICD estimated from Google Maps linework.
Montmagny, QC Montmagny Regional County Municipality Canada	Chemin des Poirier / Rue des Entrepreneurs (46.97044, -70.57711)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.3041	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Mont-Joli, QC La Mitis Regional County Municipality Canada	Autoroute Jean Lesage (Rte 20) / Route Flavie-Drapeau / Boulevard Jacques Cartier (48.59357, -68.20808)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.3955	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
Montigny-lès-Metz, Grand Est Moselle France	Rue Philippe Colson / Rue du Docteur Bardot (49.08913, 6.16575)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 13.2965	Other (At-Grade) Single-lane w/ Traversable Central Island		ICD estimated from Google Maps linework.
Montigny-lès-Metz, Grand Est Moselle France	Rue de Blory / Rue du Président John Fitzgerald Kennedy (49.08705, 6.16579)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 11.7327	Other (At-Grade) Single-lane w/ Traversable Central Island		ICD estimated from Google Maps linework.
Montigny-lès-Metz, Grand Est Moselle France	Rue du Président John Fitzerald Kennedy / Rue de Marly (49.08871, 6.15886)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 17.2074	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Montigny-lès-Metz, Grand Est Moselle France	Rue de Marly / Chemin de Blory / Rue du Stade (49.08455, 6.15459)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 19.5555	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Monticello, MN Wright Co. United States	E 7th St. / Fallon Ave. NE (45.29661, -93.78431)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2019).
Monticello, MN Wright Co. United States	Chelsea Rd. / Fallon Ave. NE (45.29370, -93.78557)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2019).
Monticello, MN Wright Co. United States	E 7th St. / Washington St. (45.29817, -93.78709)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2019).
Monticello, FL Jefferson Co. United States	10 Court House Circle (30.54514, -83.87016)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 63.7726	Other (At-Grade) Single-Lane	1910	Courthouse in central island with pedestrian access. ICD estimated from Google Maps linework.
Monticello, MN Wright Co. United States	CSAH 18 (Fenning Ave.) / Meadow Oak Ave. (45.28698, -93.77066)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.9722	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Monticello, IN White Co. United States	E County Rd. 150 S / S 6th St. / S County Rd. 500 E / Gordon Rd. (40.73002, -86.77565)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.5819	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Monticello, MN Wright Co. United States	Fenning Ave. NE / School Blvd. / Jason Ave. NE (45.28518, -93.77081)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	Opened September 2021.
Montgomery, OH Hamilton Co. United States	US 22 (Montgomery Rd.) / SR 126 (Ronald Reagan Cross Country Hwy.) (39.22308, -84.35643)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (3+ Lane)	2021	Previously a grade-separated freeway interchange. https://m.facebook.com/CityofMontgomeryOhio/videos/352303629903240/
Montgomery, TX Montgomery Co. United States	Noble Greens Blvd. / Bungalow Dr. (30.28008, -95.56863)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Montgomery, TX Montgomery Co. United States	Bonterra Blvd. / Mountain Laurel Dr. / S Claret Cup Ln. (30.28166, -95.54889)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2013	No truck apron. Year Completed estimated (2011-2015).
Montgomery, TX Montgomery Co. United States	Central Pine St. / Crest Sights Dr. (30.29200, -95.55637)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.2440	Other (At-Grade) Single-Lane	2020	No truck apron. Year Completed estimated (2020-2021).
Montgomery, OH Hamilton Co. United States	Pfeiffer Rd. / Deerfield Rd. (39.24866, -84.35092)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.facebook.com/story.php/?story_fbid=602452425250045&id=100064558789263
Montgomery, AL Montgomery Co. United States	Taylor Lakes Pkwy. / Towering Oaks Dr. (32.31210, -86.19300)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Montgomery, AL Montgomery Co. United States	Monument Park Dr. / Chastain Park Dr. / Morning Side Park Dr. (32.30911, -86.14268)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2008-2011).
Montgomery, AL Montgomery Co. United States	University Dr. / East Dr. / (parking lot) (32.36779, -86.17373)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.3593	Other (At-Grade) Single-Lane	2010	Entrance to Auburn University Montgomery (AUM). Year completed estimated (2008-2011). ICD estimated from Google Maps linework.
Montgomery, AL Montgomery Co. United States	Washington Ave. / S. Bainbridge St. (32.37648, -86.30121)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 18.1560	Other (At-Grade) Single-Lane	2008	Opened July 2008. ICD estimated from Google Maps linework.
Montgomery, AL Montgomery Co. United States	S. Ripley St. / Washington Ave. (32.37658, -86.29808)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 14.1213	Other (At-Grade) Single-Lane	2008	Opened April 2008. ICD estimated from Google Maps linework.
Montgomery, AL Montgomery Co. United States	Dexter Ave. / Commerce St. / S Court St. (32.37737, -86.30919)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.2597	Other (At-Grade) Single-Lane		Parking along the outer circle; sidewalk around the centtral island. ICD estimated from Google Maps linework.
Montgomery, AL Montgomery Co. United States	Aum Dr. / Brown Springs Rd. (32.37307, -86.17992)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2013).
Montgermont, Brittany Ille-et-Vilaine France	Rond-Point de Montgermont (D29 / Boulevard Robert Schuman / D137 Ramps) (48.15499, -1.70109)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 62.1471	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Montgermont, Brittany Ille-et-Vilaine France	D29 / C5 (48.15028, -1.72206)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.8099	Other (At-Grade) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Montgat, Catalonia Barcelona Spain	Calle de San Antonio María Claret / Carretera de Tiana / Calle de Guixeres (41.46405, 2.26831)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Monterey, CA Monterey Co. United States	SR 68 / York Rd. (36.57156, -121.80839)	Roundabout Unknown	All-Way Yield Unknown	3 Approaches 0 Driveways 46.7868	Other (At-Grade) Single-Lane		Anticipated opening year 2029.
Monterey, CA Monterey Co. United States	SR 68 / Olmsted Rd. (36.58399, -121.84976)	Roundabout Unknown	All-Way Yield Unknown	4 Approaches 0 Driveways 46.6344	Other (At-Grade) Single-Lane		Anticipated opening year 2029.
Monterey, CA Monterey Co. United States	SR 68 / SR 1 SB Off-Ramp / 17 Mile Dr. (36.57529, -121.91281)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2017
Monterey, CA Monterey Co. United States	17 Mile Dr. / SR 1 SB On-Ramp (36.57448, -121.91295)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 28.9560	Freeway Ramps (Grade-Separated) Single-Lane	2017	Raindrop shape. Right-turn-only lane on west leg.
Montemor-o-Novo, Évora Montemor-O-Novo Portugal	N2-N4 (Avenida Gago Coutinho) / N114 (38.65008, -8.21972)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Montemor-o-Novo, Évora Montemor-O-Novo Portugal	N4 (Rota Historica - Avenida Gago Coutinho) / N114 (Rota Historica) / Rua das Oficinas (38.64606, -8.20143)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Montecito, CA Santa Barbara Co. United States	San Ysidro Rd. / N Jameson Ln. / US 101 NB Ramps (34.42287, -119.63152)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 53.6445	Freeway Ramps (Grade-Separated) Single-Lane	2024	This is an unique kidney shaped single-lane roundabout (approx. varying ICD 176' x 116'). Opened May 2024. https://www.youtube.com/watch?v=QKQzLS7q3iw
Montecatini Terme, Tuscany Pistoia Italy	SR436 (Via Giovanni Gentile) / SP26 (Via Camporcioni) / Via della Nievoletta (43.87706, 10.78030)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Montecatini Terme, Tuscany Pistoia Italy	Largo Caduti nei Lager (43.87547, 10.77652)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Montecatini Terme, Tuscany Pistoia Italy	Via dei Colombi / Via del Gallo / Via del Salsero (43.87362, 10.77274)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Montecatini Terme, Tuscany Pistoia Italy	Via Sant'Antonio / Via dei Colombi / Via Marruota (43.87236, 10.76760)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Montbonnot-Saint-Martin, Auvergne-Rhone-Alpes Isère France	Chemin des Arriots / Impasse des Arriots (45.22540, 5.79690)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 10.0943	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Montana City, MT Lewis and Clark Co. United States	SR 282 / Jackson Creek Rd. (46.54082, -111.94824)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2007	Opened October 2007.
Montana, Montana Montana Bulgaria	Rte 1 (bulevard Aleksandar Stamboliyski) / Rte 81 (ulitsa Diana) (43.40234, 23.24005)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Montalto Uffugo, Calabria Cosenza Italy	SP241 (Corso Italia) / Via Busento (39.42609, 16.23949)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Montalto Uffugo, Calabria Cosenza Italy	SP248 (Corso Italia) / SP102 (Via Alessandro Manzoni) (39.43119, 16.23146)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Montalto Uffugo, Calabria Cosenza Italy	SP247 (Via Sila) / Via Coretta (39.40860, 16.25275)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Montague, PE Kings Canada	PE-4 (Woods Island Rd.) / PE-326 (Douses Rd.-Valleyfield Rd.) (46.15628, -62.64274)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.8191	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
Monserrato, Sardinia Cagliari Italy	Via Riu Mortu / Via Cesare Cabras / Viale Trieste / Via Giuseppe Zuddas (39.25227, 9.14655)	Other Existing	Other Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)		Mix of stop and yield control on entry.
Monroe Township, OH Madison Co. United States	SR 29 / SR 38 (39.99322, -83.42057)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2022	Approaching roadways have speed limits of 55 mph. https://www.columbusmessenger.com/roundabout-slated-for-intersection-at-38-and-29.html
Monroe, WA Snohomish Co. United States	SR 203 / 203rd Ave. SE / High Rock Rd. (47.81183, -121.98257)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2024	Exclamation point shaped. https://www.reddit.com/r/SnohomishCounty/comments/1dqvzuu/new_sr_203_roundabout_brings_improved_safety/?rdt=38404
Monroe, NC Union Co. United States	Unionville Indian Trail Rd. W / Sardis Church Rd. (35.07154, -80.62123)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 47.2440	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2021	Yield-controlled right-turn bypass lanes on northwest and northeast legs. Driveway is exit from school parking lot; https://www.youtube.com/watch?v=r2sUo7XnTOU
Monroe, NC Union Co. United States	NC 200 (Lancaster Hwy.) / NC 522 (Rocky River Rd.) / Parkwood School Rd. (34.89930, -80.62439)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022
Monroe, LA Ouachita Par. United States	LA 594 / Rowland Rd. (32.54334, -91.99073)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.youtube.com/watch?v=vPb7lCyxeHg
Monroe, MI Monroe Co. United States	Laplaisance Rd. / I-75 NB On-Ramp (41.87651, -83.39471)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2021	https://www.monroenews.com/story/news/traffic/2021/12/03/new-bridge-roundabouts-laplaisance-rd-open/8836648002/ Plan is to move NB offramp to the roundabout at some tuture time.
Monroe, MI Monroe Co. United States	Laplaisance Rd. / I-75 SB Ramps (41.87817, -83.39577)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2021	https://www.monroenews.com/story/news/traffic/2021/12/03/new-bridge-roundabouts-laplaisance-rd-open/8836648002/
Monroe, NC Union Co. United States	N Rocky River Rd. / Monroe Expressway WB Ramps (35.06481, -80.59359)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 37.1473	Freeway Ramps (Grade-Separated) Single-Lane	2018	Built as part of the Monroe Expressway (US 74 bypass) https://www.ncdot.gov/projects/monroe-expressway/Pages/default.aspx ICD estimated from Google Maps linework.
Monroe, NC Union Co. United States	N Rocky River Rd. / Monroe Expressway EB Ramps (35.06096, -80.59214)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.1043	Freeway Ramps (Grade-Separated) Single-Lane	2018	Built as part of the Monroe Expressway (US 74 bypass) https://www.ncdot.gov/projects/monroe-expressway/Pages/default.aspx ICD estimated from Google Maps linework.
Monroe, GA Walton Co. United States	GA 81 / Monroe Hwy.-Bold Springs Rd. (33.90088, -83.80157)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.5736	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.