Roundabouts Database Index

29554 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
Miramichi, NB Northumberland Canada	NB-8 / Nelson St. (46.99363, -65.54636)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.8776	Other (At-Grade) Unknown	2018	ICD estimated from Google Maps linework.
Fredericton, NB York Canada	Rte 8 / Smythe St. (45.94136, -66.67078)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 49.8318	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Moncton, NB Westmorland Canada	Killam Dr. / Russ Howard Dr. / Collishaw St. / Pudy Ave. (46.09740, -64.81820)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 57.9732	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Oromocto, NB Sunbury Canada	Restigouche Rd. / Miramichi Rd. (45.83573, -66.48306)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 64.9046	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Oromocto, NB Sunbury Canada	Miramichi Rd. / Commerce Dr. (45.83286, -66.48817)	Roundabout Existing	Unknown Unknown	0 Approaches 0 Driveways 56.5864	Other (At-Grade) Unknown	2003	ICD estimated from Google Maps linework.
Miramichi, NB Northumberland Canada	Rte 8 Bypass / Rte 430 (47.00483, -65.59289)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 40.0000	Other (At-Grade) Single-Lane	2006
Riverview, NB Albert Canada	Gunningsville Blvd. / Bridgedale Blvd. (46.06111, -64.77907)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2020	https://www.youtube.com/watch?v=QcYrh41gvRY
Fredericton, NB York Canada	Brookside Dr. / Reynolds St. / White Hills Crossing (45.99357, -66.64898)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2010-2011).
Shediac, NB Westmorland Canada	Chesley St. / Rte 15 WB Ramps (46.21116, -64.54385)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.0000	Freeway Ramps (Grade-Separated) Single-Lane	2018	Third leg stubbed but will connect to Breaux Bridge St. https://skyscraperpage.com/forum/showthread.php?p=8206255
Edmundston, NB Madawaska Canada	Grey Rock Rd. / 15 Août Rd. / Rte 2 EB Ramps (47.37064, -68.30398)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane	2012	Year Completed estimated (2011-2012).
Fredericton, NB York Canada	Cliffe St. / Two Nations Crossing (45.98259, -66.61218)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2012
Valle de Banderas, Nayarit Bahía de Banderas Mexico	Paseo de los Cocoteros / Blvd. Nuevo Vallarta (20.70863, -105.30017)	Other Existing	Unknown None	3 Approaches 0 Driveways 65.0000	Other (At-Grade) Multilane (2 Lane, unspecified)		Bus Stop pullout within circle.
Valle de Banderas, Nayarit Bahía de Banderas Mexico	Paseo de los Cocoteros / Rtno. Cozumel (20.70296, -105.29773)	Other Existing	All-Way Stop None	3 Approaches 0 Driveways 55.0000	Other (At-Grade) Multilane (2 Lane, unspecified)
Valle de Banderas, Nayarit Bahía de Banderas Mexico	Paseo de los Cocoteros / Paseo de las Garzas (20.69860, -105.29646)	Other Existing	All-Way Stop None	3 Approaches 1 Driveways 65.0000	Other (At-Grade) Multilane (2 Lane, unspecified)
Manila, National Capital Region Metro Manila Philippines	AH26 (Bonifacio Dr) / Andres Soriano Jr. St / Roberto S. Oca Sr. St (14.59084, 120.97090)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Pasay, National Capital Region Metro Manila Philippines	Globe Rotunda [J.W. Diokno Blvd. / EDSA Extension] (14.53531, 120.98425)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Port Moresby, National Capital Papua New Guinea	Hubert Murray Hwy. / Morea-Tobo Rd. (-9.45247, 147.20305)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Port Moresby, National Capital Papua New Guinea	Morea-Tobo Rd. / Dogura Rd. (-9.45392, 147.20873)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Nairobi, Nairobi Kenya	Naivasha Rd. / Kapenguria Rd. (-1.26498, 36.72124)	Other Existing	Uncontrolled None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Iida City, Nagano Pref. Japan	Nagano-kendo 15 / Namiki-dori (35.52039, 137.82758)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Iida City, Nagano Pref. Japan	Nagano-kendo 15 / (unnamed streets in Towa-cho) (35.51960, 137.82448)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Karuizawa Town,Kitasaku District, Nagano Pref. Japan	Karuizawa (36.34981, 138.62935)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Karuizawa Town,Kitasaku District, Nagano Pref. Japan	Nagakura (36.34077, 138.57304)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Iida, Nagano Japan	Towa-cho (35.51955, 137.82444)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 17.4975	Unknown Single-Lane	2013	First roundabout in Japan. ICD estimated from Google Maps linework.
Antrim, N. Ireland Antrim & Newtownabbey United Kingdom	A26 (Dublin Rd. -Belmont Rd.) / Dublin Rd. (54.70903, -6.22016)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Antrim, N. Ireland Antrim & Newtownabbey United Kingdom	Belmont Roundabout [A26 (Belfast Rd. - Belmont Rd.) / A522 (Belfast Rd.) / Belmont Heights] (54.70720, -6.19656)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Taylorstown, N. Ireland Antrim & Newtownabbey United Kingdom	A26 (Ballymena Rd.) / B518 (Stiles Way) / Junction One Retail Park (54.72908, -6.22567)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Legahory, N. Ireland Armagh United Kingdom	A3 (Lake Rd.) / Drumgor Rd. / Drumgor West Rd. (54.45023, -6.37949)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Monbrief, N. Ireland Armagh United Kingdom	A3 (Lake Rd.) / B2 (Eastway) / Tullygally East Rd. (54.45625, -6.36235)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Bangor, N. Ireland North Down & Ards United Kingdom	Donaghadee Road Roundabout [A2 (E Circular Rd.) / B21 (Donaghadee Rd.)] (54.65797, -5.63336)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Bangor, N. Ireland North Down & Ards United Kingdom	Gransha Road Roundabout [A2 (East Circular Rd.) / Gransha Rd.] (54.65019, -5.65149)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Ballymena, N. Ireland Mid & East Antrim United Kingdom	Greenmount Roundabout [A26 (Ballymoney Rd. - North Rd.) / A42 (Parkway)] (54.86975, -6.28165)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Ballymena, N. Ireland Mid & East Antrim United Kingdom	Audley Roundabout [A26 (Ballymoney Rd. - North Rd.) / Fountain Pl.] (54.86760, -6.28116)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Ballymena, N. Ireland Mid & East Antrim United Kingdom	Fairhill Roundabout [Thomas St. / Parkway / Market Rd.] (54.86990, -6.27651)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Lower Broughshane, N. Ireland Mid & East Antrim United Kingdom	A42 (Broughshane Rd.) / Frys Rd. / Kernohans Ln. (54.87468, -6.26087)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Ballymena, N. Ireland Mid & East Antrim United Kingdom	A43 (Cushendall Rd.) / Frys Rd. / Grove Rd. (54.88232, -6.26668)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Ballymena, N. Ireland Mid & East Antrim United Kingdom	Ballee Roundabout [A26 (Lisnevenagh Rd. - Ballee Rd. E) / A523 (Antrim Rd.)] (54.84285, -6.27360)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Dunmurry, N. Ireland Belfast City United Kingdom	A512 (Creighton Rd. - Old Golf Course Rd.) / Golf Course Rd. (54.55789, -6.00726)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Londonderry, N. Ireland Derry & Strabane United Kingdom	Skeoge roundabout [A2 (Buncrana Rd.) / A515 (Skeoge Link Rd.)] (55.02998, -7.35099)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Coleraine, N. Ireland Causeway Coast & Glens United Kingdom	Portrush Road Roundabout [A29 (Atlantic Rd. - Ring Rd.) / Atlantic Rd. / Ring Rd.] (55.15611, -6.66416)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Stormont, N. Ireland Belfast City United Kingdom	A55 (Hawthornden Way - Parkway) / B170 (Belmont Rd.) (54.60067, -5.85562)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Dunmurry, N. Ireland Belfast City United Kingdom	Malone Roundabout [A55 (Malone Rd.) / B103 (Upper Malone Rd.) / Dorchester Park] (54.55827, -5.95592)	Roundabout Existing	All-Way Yield Metering Signal	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Londonderry, N. Ireland Derry & Strabane United Kingdom	Caw Roundabout [A2 (Clooney Rd) / A515 (Madam's Bank Rd.) / A514 (Crescent Link) / Waterfoot Park] (55.00895, -7.27749)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Belfast, N. Ireland Belfast City United Kingdom	A52 (Crumlin Rd.) / A55 (Twaddell Ave.) / Woodvale Ave. (54.61360, -5.96467)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Belfast, N. Ireland Belfast City United Kingdom	A55 (Stockmans Ln. - Kennedy Way) / Stockmans Way / M1 Ramps (54.57333, -5.97739)	Signalized Roundabout/Circle Existing	Signal None	5 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Belfast , N. Ireland Belfast City United Kingdom	Fortwilliam Roundabout [A2 (Fortwilliam Onslip) / Dargan Rd. / M2 Ramps] (54.62967, -5.91918)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		Partial signal control.
Dungannon, N. Ireland Mid Ulster United Kingdom	A45 (Killymaddy Cottages - Ballygawley Rd.) / Ashdene / (access road) (54.50313, -6.78285)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Banbridge, N. Ireland Armagh United Kingdom	B10 (Rathfriland Rd.) / Castlewellan Rd. / Kenlis St. (54.34567, -6.26679)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Killynure, N. Ireland Fermanagh & Omagh United Kingdom	A32 (Tempo Rd. - Cherrymount Link Rd.) / B80 (Tempo Rd.) (54.34878, -7.61587)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Enniskillen, N. Ireland Fermanagh & Omagh United Kingdom	A32 (Cherrymount Link Rd.) / Lower Chanterhill Rd. / Coa Rd. (54.35414, -7.61815)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Enniskillen, N. Ireland Fermanagh & Omagh United Kingdom	A32 (Cherrymount Link Rd. - Irvinestown Rd.) / Irvinestown Rd. / Cornagrade Rd. (54.36056, -7.63427)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Newry, N. Ireland Newry, Mourne & Down United Kingdom	McCann's Corner [A28 (Armagh Rd.) / A27 (Craigmore Rd. - Carnbane Way) / Tandragee Rd.] (54.19210, -6.35144)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Newry, N. Ireland Newry, Mourne & Down United Kingdom	Damolly Roundabout [A28 (Belfast Rd. - Carnbane Way) / Ashgrove Rd. / Belfast Rd.] (54.19581, -6.33302)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Newtownards, N. Ireland North Down & Ards United Kingdom	Portaferry Road Roundabout [A20 / Portaferry Rd.] (54.58820, -5.68656)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Newtownards, N. Ireland North Down & Ards United Kingdom	Comber Road Roundabout [A20 (Castlebawn Rd. - Messines Rd.) / A21 (Comber Rd.)] (54.58452, -5.69789)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Lisburn, N. Ireland Lisburn & Castlereagh United Kingdom	A519 (Prince William Rd. - Thiepval Rd.) / Bentrim Rd. (54.51524, -6.05495)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Lisburn, N. Ireland Lisburn & Castlereagh United Kingdom	A3 (Saintfield Rd.) / A49 (Saintfield Rd.) / Largymore Link / M1 Ramps (54.50584, -6.02852)	Signalized Roundabout/Circle Existing	Signal None	5 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Mishkovo-Pohorilivska silska rada, Mykolayiv Zhovtnevyi rayon Ukraine	E58 / Bashtanske shose (46.99298, 32.13079)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Murska Sobota, Murska Sobota Slovenia	SR 232 (Lendavska ulica) / SR 715 (Markišavska ulica) / Noršinska ulica (46.66721, 16.17680)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Murmansk, Murmansk Murmansk Russia	ulitsa Pavlova / prospekt Kirova / Gvardeyskaya ulitsa (68.95131, 33.09893)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Murmansk, Murmansk Murmansk Russia	Geroyev-Severomortsev prospekt / Lobova ulitsa / Ivchenko ulitsa (69.01290, 33.10654)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Oval shaped.
Kola, Murmansk Kolsky District Russia	E105-A138 / P21 (68.88840, 33.06333)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Apatity, Murmansk Apatity Russia	ulitsa Fersmana / ulitsa Gaydara / ulitsa Bredova (67.56670, 33.39126)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Apatity, Murmansk Apatity Russia	ulitsa Kozlova / Prigorodnaya ulitsa / ulitsa Stroiteley / ulitsa Fersmana (67.57016, 33.37313)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Apatity, Murmansk Apatity Russia	ulitsa Fersmana / ulitsa Lenina (67.56803, 33.40718)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Kandalaksha, Murmansk Kandalakshsky District Russia	ulitsa Pronina / ulitsa Gor'kogo / (unknown) (67.15634, 32.40207)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Kandalaksha, Murmansk Kandalakshsky District Russia	ulitsa Pronina / ulitsa 50 let Oktyabrya (67.15142, 32.40587)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Murmansk, Murmansk Murmansk Russia	ulitsa Askol'dovtsev / ulitsa Chumbarova-Luchinskogo (69.00169, 33.07926)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown		Parking along circulatory roadway.
Helena, MT Lewis and Clark Co. United States	N Washington St. / Frontage Dr. (46.62005, -112.00546)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 50.2920	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2011).
Lame Deer, MT Rosebud Co. United States	US 212 / Cheyenne Ave. (45.62346, -106.66642)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2018	https://www.youtube.com/watch?v=lFiVq3W5VE8&list=PLxseor6I1x1FeOZIuVw6kIHif9ZNvw2DC&index=1
Bozeman, MT Gallatin Co. United States	Catron St. / Max Ave. (45.71218, -111.06908)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island	2021
Billings, MT Yellowstone Co. United States	Central Ave. / 56th St. W (45.76970, -108.65917)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.mdt.mt.gov/pubinvolve/56thRoundabouts/
Helena, MT Lewis and Clark Co. United States	Lincoln Rd. / N Montana Ave. (46.70444, -112.02096)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.ktvh.com/news/lincoln-road-roundabout-opens-to-drivers
Poplar, MT Roosevelt Co. United States	US 2 / 13th Ave. E (48.11433, -105.17243)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2014-2021).
West End, MT Yellowstone Co. United States	Central Ave. / S 38th St. W (45.76969, -108.61240)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2019
West End, MT Yellowstone Co. United States	Central Ave. / S 36th St. W (45.76949, -108.60726)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2019
Bozeman, MT Gallatin Co. United States	S 11th Ave. / Arnold St. (45.65298, -111.05215)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2018
Bozeman, MT Gallatin Co. United States	W Oak St. / Cottonwood Rd. (45.69298, -111.10367)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 56.3880	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2020	Right-turn-only lanes on north and south legs, designed for future conversion to through lanes to make the roundabout 2x2.
Bozeman, MT Gallatin Co. United States	S 11th Ave. / W Graf St. (45.64966, -111.05320)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2017
Bozeman, MT Gallatin Co. United States	W Graf St. / S 3rd Ave. (45.64930, -111.04692)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2020
Bozeman, MT Gallatin Co. United States	W Graf St. / S 17th Ave. (45.64943, -111.06043)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2017
Bozeman, MT Gallatin Co. United States	Cattail St. / Max Ave. (45.70770, -111.06912)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2021
Billings, MT Yellowstone Co. United States	Five Mile Rd. / Mary St. / (Billings Bypass) (45.84863, -108.42492)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2021	https://www.yourbigsky.com/local-news-2/billings-bypass-project-roundabout-opening-on-november-24/
Missoula, MT Missoula Co. United States	Southgate Mall Access Rd. / Mary Ave. (46.84412, -114.02685)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2016-2019).
Missoula, MT Missoula Co. United States	Mary Ave. / Southgate Mall Access Rd. (46.84420, -114.03158)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2016-2019).
Billings, MT Yellowstone Co. United States	King Ave. W / S 56th St. W (45.75516, -108.65895)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.yourbigsky.com/local-news-2/billings-king-ave-56th-st-w-reopened/
Missoula, MT Missoula Co. United States	Mullan Rd. / Mary Jane Blvd. (46.88725, -114.05372)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	Year Completed estimated (2022-2023).
Kalispell, MT Flathead Co. United States	US 2 / Springcreek Rd. / Dern Rd. (48.19696, -114.37378)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2021	https://www.mdt.mt.gov/pubinvolve/dernspring/
Bozeman, MT Gallatin Co. United States	Baxter Ln. / Collonwood Rd. / Harper Puckett Rd. (45.70022, -111.10372)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	Year Completed estimated (2023-2024). https://www.kbzk.com/news/local-news/baxter-lane-ready-to-reopen-for-traffic-this-week-after-months-of-construction.
Armington, MT Cascade Co. United States	US 87-SR 200 / US 89 / (parking) (47.34909, -110.89673)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2022-2023). https://www.youtube.com/watch?v=7jSH18jbyKc
Helena, MT Lewis and Clark Co. United States	SR 279 (Lincoln Rd. E) / I-15 NB Ramps (46.70444, -112.01118)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 32.0040	Freeway Ramps (Grade-Separated) Single-Lane	2022	Raindrop shaped. Right-turn-only lane on south leg. Year Completed estimated (2021-2024).
Missoula, MT Missoula Co. United States	Mullan Rd. / George Elmer Dr. (46.88749, -114.06835)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023
Miles City, MT Custer Co. United States	SR 59 (S Haynes Ave.) / I-94 WB Ramps (46.39529, -105.82257)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2020	Raindrop shaped. https://www.facebook.com/184269241611945/videos/595272431092378/
Miles City, MT Custer Co. United States	SR 59 (S Haynes Ave.) / Steel St. / I-94 EB Ramps (46.39377, -105.82258)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2020	Raindrop shaped. https://www.mdt.mt.gov/pubinvolve/broadus/
Bozeman, MT Gallatin Co. United States	Baxter Ln. / Love Ln. (45.70012, -111.14498)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019	https://www.mdt.mt.gov/pubinvolve/baxterlove/status.shtml
Bozeman, MT Gallatin Co. United States	Durston Rd. / Ferguson Ave. (45.68569, -111.09355)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.2023	Other (At-Grade) Single-Lane	2019	Open to traffic in 2019, not completed until 2020. https://www.youtube.com/watch?v=alzAe8c-fuU ICD estimated from Google Maps linework.
Missoula, MT Missoula Co. United States	South Ave. W / 33rd Ave. / Guardsman Ln. (46.84863, -114.06068)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2016
Missoula, MT Missoula Co. United States	Paxson St/Southgate Mall Access (46.84396, -114.02899)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island	2018	Year Completed estimated (2016-2019).
Billings, MT Yellowstone Co. United States	Old US 312 / Five Mile Rd. (45.86957, -108.42768)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.mdt.mt.gov/pubinvolve/billingsbypass/fmr.shtml
Billings, MT Yellowstone Co. United States	Meadow View Dr. / Meadow View Dr. (45.78325, -108.59372)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2017	South leg stubbed. Year Completed estimated (2015-2018).