Roundabouts Database

29616 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
Marysville, WA
Snohomish Co.
United States 		92nd St. NE / 46th Dr. NE
(48.07910, -122.16836) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
13.7157 		Other (At-Grade)
Single-Lane
Marysville, WA
Snohomish Co.
United States 		92nd St. NE / 48th Dr. NE
(48.07907, -122.16566) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
13.7160 		Other (At-Grade)
Single-Lane
Marysville, WA
Snohomish Co.
United States 		SR 9 / 108th St NE
(48.09180, -122.11180) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2020 Year Completed estimated (2018-2020).
Marysville, OH
Union Co.
United States 		Mill Rd. / Northwoods Dr.
(40.25737, -83.37641) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2880 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021
Marysville, WA
Snohomish Co.
United States 		3rd St. / Alder Ave.
(48.05090, -122.17315) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2016
Marysville, WA
Snohomish Co.
United States 		3rd St. / Quinn Ave.
(48.05089, -122.17141) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2016
Marysville, WA
Snohomish Co.
United States 		3rd St. / Union Ave.
(48.05088, -122.16967) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2016
Marysville, WA
Snohomish Co.
United States 		2nd St. / Alder St.
(48.04998, -122.17357) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2017
Marysville, WA
Snohomish Co.
United States 		2nd St. / Quinn Ave.
(48.04997, -122.17142) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2017
Marysville, WA
Snohomish Co.
United States 		2nd St. / Union Ave.
(48.04996, -122.16967) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2017
Maryvale, AZ
Maricopa Co.
United States 		N 93rd Ave. / N Algodon Way
(33.48123, -112.25962) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2009 Yield-controlled right-turn bypass lane on south leg. Year Completed estimated (2007-2009).
Maryvale, AZ
Maricopa Co.
United States 		N Algodon Way / W Pinchot Ave.
(33.48249, -112.25806) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2009 Small separation between pedestrian crossing on east leg and circulatory roadway.
Maryville, IA
Fayette Co.
United States 		IA 3 / IA 187
(42.68763, -91.64565) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.5057 		Other (At-Grade)
Single-Lane 		2009 Rural ICD estimated from Google Maps linework.
Maryville, TN
Blount Co.
United States 		Mall Rd. / N Foothills Plaza Dr. / (mall parking)
(35.74343, -83.99498) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.8972 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Maryville, TN
Blount Co.
United States 		Everett High Rd. / E Broadway Ave. / E Harper Ave.
(35.76970, -83.95895) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
32.9476 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Mascouche, QC
Les Moulins Regional County Municipality
Canada 		Avenue de l'Esplanade / Avenue Bourque
(45.72771, -73.62837) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.6885 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Year Completed estimated (2005-2008). ICD estimated from Google Maps linework.
Mascouche, QC
Les Moulins Regional County Municipality
Canada 		Avenue de la Gare / Avenue de l'Esplanade
(45.72534, -73.60450) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.0000 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2008).
Mascoutah, IL
St. Clair Co.
United States 		Falling Leaf Way / Timberbrook Dr. / Antique Ln.
(38.50300, -89.81853) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands.
Mashpee, MA
Barnstable Co.
United States 		Nathan Ellis Hwy (Rte 151) / Falmouth Rd. (Rte 28) / Great Neck Road
(41.61840, -70.48709) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
2 Driveways
108.0363 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Mashpee, MA
Barnstable Co.
United States 		Rock Landing Rd. / Cross Rd. / Greensward Rd.
(41.57286, -70.47406) 		Traffic Calming Circle
Existing 		Other
Unknown 		4 Approaches
0 Driveways
55.3965 		Other (At-Grade)
Single-Lane 		Private roads. Mixed Stop-controlled and free-merge. ICD estimated from Google Maps linework.
Mashpee, MA
Barnstable Co.
United States 		Triton Sound Circle / Troon Way / Greenwards Rd. / Shore Dr. West / Landmark Ave.
(41.56210, -70.47509) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		5 Approaches
0 Driveways
57.1930 		Other (At-Grade)
Single-Lane 		On private roads ICD estimated from Google Maps linework.
Masku, Southwest Finland
Masku
Finland 		Maskuntie / Vanha Raumantie / Ruskontie / E8-Valtatie 8 NB Ramps
(60.54249, 22.12848) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Single-Lane
Masku, Southwest Finland
Masku
Finland 		Maskuntie / E8-Valtatie 8 SB Ramps
(60.54259, 22.12404) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Single-Lane
Masku, Southwest Finland
Masku
Finland 		Maskuntie / Kankaisten kauppatie
(60.54319, 22.12029) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
 Other (At-Grade)
Single-Lane
Mason, OH
Warren Co.
United States 		Mason Grand Dr. / Parkmoor Dr. / Skyview Dr.
(39.35923, -84.27451) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on four legs.
Mason, OH
Warren Co.
United States 		Mason Rd. / Sarah Dr.
(39.36641, -84.31909) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
32.3170 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Mason, OH
Warren Co.
United States 		Freedom Way / Veterans Pkwy.
(39.33363, -84.30647) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.1035 		Other (At-Grade)
Single-Lane 		2015 Third leg of intersection not connected yet ICD estimated from Google Maps linework.
Mason, OH
Warren Co.
United States 		Socialville-Foster Rd. / Innovation Way
(39.32155, -84.29039) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
44.3489 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Mason, OH
Warren Co.
United States 		Mason Montgomery Rd. / Bethany Rd.
(39.37924, -84.30723) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.8513 		Other (At-Grade)
Single-Lane 		2015 Right turn lanes on all approaches, expandable to 2 lanes. ICD estimated from Google Maps linework.
Mason City, IA
Cerro Gordo Co.
United States 		Mohawk Boulevard / Mason City HS parking lots
(43.14796, -93.16502) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2013
Massa e Cozzile, Tuscany
Pistoia
Italy 		Via Antonio Gramsci / Via Ugo Foscolo / Via Bruceto
(43.87028, 10.75715) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
1 Driveways
 Other (At-Grade)
Single-Lane 		Peanut shaped.
Massa e Cozzile, Tuscany
Pistoia
Italy 		Via Antonio Gramsci / Via Fratelli Cervi / Via Cetriano / Via Calderaio
(43.86958, 10.75390) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Massena, NY
St. Lawrence Co.
United States 		Center St. / Parker Ave.
(44.93393, -74.88746) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.5106 		Other (At-Grade)
Single-Lane 		2017 https://www.nny360.com/news/massena-roundabout-open-to-traffic/article_e871f943-583b-5820-a528-ca33bb8ee098.html. Previous intersection was a large triangle with a one-way road on one side, so no control signage. ICD estimated from Google Maps linework.
Masterton, Wellington Region
Masterton
New Zealand 		SH 2 (Chapel St.) / Lincoln Rd.
(-40.94892, 175.66078) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Masterton, Wellington Region
Masterton
New Zealand 		Church St. / Dixon St.
(-40.95062, 175.66268) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Masterton, Wellington Region
Masterton
New Zealand 		SH 2 (Chapel St. - Opaki Rd.) / Queen St. / Dixon St.
(-40.94640, 175.66718) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Left-turn-only lanes on three legs.
Masterton, Wellington Region
Masterton
New Zealand 		Ngaumutawa Rd. / Upper Plain Rd. / Renall St.
(-40.94641, 175.63737) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Masterton, Wellington Region
Masterton
New Zealand 		Worksop Rd. / Dixon St.
(-40.95304, 175.65882) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Masterton, Wellington Region
Masterton
New Zealand 		SH 2 (Chapel St.) / Renall St.
(-40.95176, 175.65633) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Matakana, Auckland
Auckland
New Zealand 		Matakana Rd. / Leigh Rd. / Matakana Valley Rd. / Matakana Wharf Rd.
(-36.35238, 174.71780) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Matamata, Waikato
Matamata-Piako
New Zealand 		SH 24 (Broadway) / SH 27 (Waharoa Rd. W - Firth St.) / Peria Rd.
(-37.80851, 175.77070) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Left-turn-only lane on east leg.
Matamata, Waikato
Matamata-Piako
New Zealand 		SH 24 (Broadway - Mangawhero Rd.) / Burwood Rd. / Tower Rd.
(-37.81308, 175.78169) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Mataram, West Nusa Tenggara
Kota Mataram
Indonesia 		Jalan Adi Sucipto / Jalan Udayana
(-8.56372, 116.10370) 		Other
Existing 		Uncontrolled
None 		3 Approaches
1 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Matarangi, Waikato
Thames-Coromandel
New Zealand 		Matarangi Dr. / Harbour Dr.
(-36.73277, 175.65773) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Mataró, Catalonia
Barcelona
Spain 		Rotonda de les Hortes del Camí Ral [Carretera de Barcelona / Calle Remallaire / Calle de Caldes de Estrac]
(41.52704, 2.43163) 		Roundabout
Existing 		All-Way Yield
None 		6 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Boulevard and its frontage roads have separate entries.
Matjhabeng, Free State
Lejweleputswa
South Africa 		Tempest Rd. / Jan Hofmeyr Rd.
(-27.97304, 26.73351) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
60.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Long Rd. / Menelaus St. / Mercutio St.
(-27.98061, 26.69563) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
140.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Long Rd. / Macbeth Rd.
(-27.98174, 26.71172) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
80.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Long Rd. / Tempest Rd.
(-27.98296, 26.72778) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
100.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		Elliptical shaped. ICD = 100 m x 70 m
Matjhabeng, Free State
Lejweleputswa
South Africa 		Long Rd. / Meulen St.
(-27.98423, 26.73138) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
86.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		M4 (State Way) / Tempest Rd.
(-27.97822, 26.73207) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
86.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		M1 (Koppie Alleen Rd.) / M4 (State Way)
(-27.98715, 26.75585) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
87.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Koppie Alleen Rd. / Long Rd.
(-27.99266, 26.74879) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
90.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		State Way / 3rd St.
(-27.99058, 26.75894) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
60.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Toronto Rd. / Lategan Rd. / Badenhorst St.
(-27.99112, 26.73164) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
90.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Tempest Rd. / Lategan Rd. / Othello Rd.
(-27.98639, 26.72604) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
84.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Macbeth Rd. / Othello Rd.
(-27.98684, 26.71199) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
85.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		M1 (Koppie Alleen Rd.) / Jan Hofmeyr Rd. / Volks Rd.
(-27.98289, 26.76217) 		Roundabout
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
115.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Arrarat Rd. / Jan Hofmeyr Rd.
(-27.97720, 26.74448) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
90.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Tempest Rd. / Volks Rd.
(-27.97033, 26.73479) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
70.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Tempest Rd. / Constantia Rd.
(-27.96443, 26.73962) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
70.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Tempest Rd. / Ararrat Rd. / King St.
(-27.96515, 26.75022) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
90.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Constantia Rd. / Arrarat Rd. / Strand St. / Fischer St.
(-27.96940, 26.74816) 		Roundabout
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
90.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		M1 (Koppie Alleen Rd.) / Constantia Rd. / Nourse St. / Honeyball St.
(-27.97482, 26.76292) 		Roundabout
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
120.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Constantia Rd. / Power Rd.
(-27.97531, 26.77441) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
80.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		R73 (Jan Hofmeyr Rd.) / Power Rd.
(-27.98121, 26.77359) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
70.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Nkoane St. / A Phakathi Dr.
(-27.96295, 26.80997) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
65.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Mothusi Rd. / M4 (Ndaki Rd.) / Ndaki St.
(-27.95540, 26.78534) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
80.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified)
Matjhabeng, Free State
Lejweleputswa
South Africa 		M4 / R730
(-27.94903, 26.79691) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
90.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		R730 / Craib Ave.
(-27.93720, 26.78769) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
92.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Craib Ave. / Nathaniel Dr.
(-27.93619, 26.80163) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
60.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Lois St. / Alan St.
(-27.92609, 26.81544) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
63.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified)
Matjhabeng, Free State
Lejweleputswa
South Africa 		Circle St. / Steenkamp St. / Wedepohl St.
(-27.92426, 26.82354) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
70.0000 		Other (At-Grade)
Single-Lane 		Elliptical Shaped. ICD = 70 m x 60 m.
Matoaca, VA
Chesterfield Co.
United States 		Matoaca Rd. / Hickory Rd.
(37.26110, -77.48372) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2020 Year Completed estimated (2019-2021).
Matosinhos, Porto
Matosinhos
Portugal 		Rua de Veloso Salgado / Avenida Doutor António Macedo / A28 SB Ramps
(41.20190, -8.69324) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Single-Lane
Matosinhos, Porto
Matosinhos
Portugal 		Rua Belchior Robles / Rua de Veloso Salgado / Rua Óscar da Silva / Avenida de Doutor Fernando Aroso
(41.20149, -8.69638) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Matosinhos, Porto
Matosinhos
Portugal 		Rua Belchior Robles / Rua Dom Marcos da Cruz
(41.20158, -8.69813) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Matraville, NSW
Randwick
Australia 		Bunnerong Rd. / Little Bay Rd.
(-33.97586, 151.23675) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Matraville , NSW
Randwick
Australia 		Anzac Parade / Little Bay Rd. / Jenner St.
(-33.97869, 151.24464) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Matriz, Viana do Castelo
Caminha
Portugal 		N13 (Avenida Doutor Dantas Carneiro) / Rua de São João / Largo Doutor Bento Coelho
(41.87818, -8.83646) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Mattawa, ON
Nipissing
Canada 		Trans Canada Hwy. / Main St.
(46.31735, -78.70220) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
34.6449 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Mattawa, WA
Grant Co.
United States 		SR 243 / Road 24 SW
(46.73775, -119.91718) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.2889 		Other (At-Grade)
Single-Lane 		2014 Reverse curves on north and south legs. Open May 2014. 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.
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.
Mattersburg, Burgenland
Mattersburg
Austria 		L219 (Wiener Straße) / L223 (Schubertstraße - Martinsplatz)
(47.73746, 16.39656) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
 Other (At-Grade)
Single-Lane
Matthews, NC
Mecklenburg Co.
United States 		(internal shopping center intersection)
(35.13310, -80.71056) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
19.8120 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2010-2012).
Matthews, NC
Mecklenburg Co.
United States 		NC 51 (Matthews-Mint Hill Rd.) / Idlewild Rd.
(35.13745, -80.68332) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.0676 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Matthews, NC
Union Co.
United States 		NC 84 (Weddington Rd.) / Weddington Matthews Rd. (SR 1344)
(35.02209, -80.76003) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.2545 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
Matthews, NC
Union Co.
United States 		(unknown) / (unknown)
(35.00019, -80.69595) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2007-2008).
Maudsland, QLD
Gold Coast
Australia 		Gaven Arterial Rd. / Yallaroi Rd.
(-27.91880, 153.29198) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Maumee, OH
Lucas Co.
United States 		Gibbs St. / E Indiana Ave.
(41.56754, -83.65429) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.8600 		Other (At-Grade)
Single-Lane 		2023 https://www.wtol.com/article/traffic/gibbst-street-roundabout-reopened-indiana-avenue-maumee-construction-traffic-local-news-ohio/512-75b4cf3f-e968-4457-9181-ecc388ae8535
Maumelle, AR
Pulaski Co.
United States 		Country Club Pkwy. / Diamond Park Ln.
(34.84488, -92.37940) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2005 Yield signs but no yield or entrance line markings. No splitter island on southeast leg.
Maumelle, AR
Pulaski Co.
United States 		Country Club Pkwy. / Sologny Forest Dr.
(34.84337, -92.38461) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2005 No deflection on west leg, although it has two yield signs, LED border lights around right yield sign, and supplemental "YIELD TO TRAFFIC IN CIRCLE" plaque above left yield sign.
Maurepas, LA
Livingston Par.
United States 		LA-16 / LA-22
(30.26014, -90.76844) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
29.9163 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Mauston, WI
Juneau Co.
United States 		Division St. / Grayside St.
(43.78910, -90.07675) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
43.1088 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Mauston, WI
Juneau Co.
United States 		STH 82 (Gateway Ave.) / I-90-I-94 EB Ramps
(43.79649, -90.05800) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2022 Raindrop shaped. https://www.mauston.com/vertical/Sites/%7BF7711255-419A-434B-BDA9-D1E7B277079F%7D/uploads/221216_I-90-94_and_WIS_82_Winter_Shutdown.pdf
Mauston, WI
Juneau Co.
United States 		STH 82 (Gateway Ave.) / I-90-I-94 WB Ramps
(43.79635, -90.05521) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2022 Raindrop shaped. https://www.mauston.com/vertical/Sites/%7BF7711255-419A-434B-BDA9-D1E7B277079F%7D/uploads/221216_I-90-94_and_WIS_82_Winter_Shutdown.pdf
Mawson Lakes, SA
Salisbury
Australia 		Mawson Lakes Blvd. / Kingfisher Ave. / Park Way
(-34.81898, 138.61142) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Mawson Lakes, SA
Salisbury
Australia 		Mawson Lakes Blvd. / Shearwater Dr. / Sheaoak Dr.
(-34.81632, 138.60779) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Mawson Lakes, SA
Salisbury
Australia 		Mawson Lakes Blvd. / Brookside Dr. / Jacaranda Grove
(-34.81228, 138.60859) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane