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
Biloxi, MS Harrison Co. United States	Ellzey Dr. / Medical Park Dr. (30.44652, -88.94459)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2018	Circulatory roadway dotted edge line across exits. Year Completed estimated (2017-2019).
Binghamton, NY Broome Co. United States	US 11 (Upper Front St.) / I-81 NB Ramps (42.12299, -75.90472)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022	https://www.binghamtonhomepage.com/news/new-roundabout-opens-on-upper-front-st/ https://www.wbng.com/2022/06/22/one-roundabout-completed-one-more-go-town-dickinson-see-bridge-completion-new-traffic-patterns/
Binghamton, NY Broome Co. United States	Upper Front St. / Old Front St. / I-81 SB Ramps (42.12650, -75.90703)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2022	https://www.wbng.com/2022/08/04/second-roundabout-now-open-rt-11-town-dickinson/
Binghamton, NY Broome Co. United States	Court St. / Exchange St. / Chenango St. (42.09878, -75.91089)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2014	Located in downtown next to courthouse. Year Completed estimated (2012-2015).
Binley Woods, England Warks United Kingdom	A46 (Coventry Eastern Bypass) / A428 (Rugby Rd. - Brandon Rd.) (52.39596, -1.43154)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Binningup , WA Harvey Australia	Binningup Rd. / Lakes Parade (-33.14868, 115.69664)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Binyamin Industrial Area, Central District Israel	Ha-Tamar St. / Hatzufit St. / Ha-Sunnit St. (32.40648, 34.92075)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Binyamin Industrial Area, Central District Israel	Rte 581 / Rehov Shvil Hatapuzim (32.39301, 34.92210)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Binyamin Industrial Area, Central District Israel	Ze'ev Belfer St. / (unknown) (32.18388, 34.95040)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Binyamin Industrial Area, Central District Israel	(unknown) / Rte 20 Ramps (31.96738, 34.75960)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Binyamin Industrial Area, Central District Israel	(unknown) / Rte 2 SB Ramps (32.21438, 34.82783)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Binyamin Industrial Area, Central District Israel	(unknown) / Rte 2 NB Ramps (32.21628, 34.82935)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Binyamin Industrial Area, Central District Israel	Rehov Hadas Tel Rimon / (unknown) (32.11567, 34.87545)	Unknown Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Birchwood, England Warrington United Kingdom	Birchwood Interchange: A574 (Birchwood Way) / M62 Ramps / Silver Ln. (53.43501, -2.50011)	Roundabout Existing	All-Way Yield Metering Signal	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		Oval shaped.
Birchwood, England Warrington United Kingdom	A574 (Birchwood Way) / Daten Ave. / Moss Gate (53.42861, -2.51335)	Roundabout Removed	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Birchwood, England Warrington United Kingdom	Moss Gate / Gorse Covert Rd. / Fisherfield Dr. (53.42734, -2.50859)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Birchwood, England Warrington United Kingdom	Moss Gate / Ordnance Ave. / Killingworth Ln. (53.42519, -2.50654)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Biriatou, Nouvelle-Aquitaine Pyrénées-Atlantiques France	D811 / Route de Kurleku (43.34059, -1.75213)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 27.7958	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Biriatou, Nouvelle-Aquitaine Pyrénées-Atlantiques France	Échangeur de Biriatou (43.34010, -1.75019)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 26.9274	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Birkdale , QLD Redland Australia	SR 43 (Birkdale Rd.) / Mary Pleasant Dr. (-27.49198, 153.21929)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Birkdale , QLD Redland Australia	Mary Pleasant Dr. / Dorsal Dr. / (parking) (-27.49128, 153.21908)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Birkdale , QLD Redland Australia	Birkdale Rd. / Quarry Rd. (-27.49374, 153.21405)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Birkdale, QLD Redland City Australia	SR 55 (Old Cleveland Rd.) / Randall Rd. (-27.50697, 153.22101)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Birkdale, QLD Redland Australia	Randall Rd. / Bailey Rd. (-27.51144, 153.22021)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Birkenhead, England Wirral United Kingdom	B5172 (Bedford Ave.) / B5148 (Bebington Rd.) (53.37079, -3.02219)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Birkenhead, England Wirral United Kingdom	A41 (Rock Ferry Bypass - New Chester Rd.) / Campbeltown Rd. / B5136 (Wirral Circular Trl.) (53.37721, -3.01003)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Birkenhead, England Wirral United Kingdom	A5027 (Duke St.) / B5146 (Corporation Rd.) (53.40144, -3.03576)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Birkenhead, England Wirral United Kingdom	A5030 (Cleveland St.) / B5146 (Corporation Rd.) / Cavendish St. (53.40136, -3.04123)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Birkenshaw, England Kirklees United Kingdom	A58 (Whitehall Rd. E) / A651 (Bradford Rd.) (53.74657, -1.69306)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Birkenshaw, England Kirklees United Kingdom	A58 (Whitehall Rd. E) / Heathfield Ln. (53.74503, -1.69718)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Birkirkara, Malta	Triq Sir Anthony Mamo / Triq San Giljan / (unknown) (35.90219, 14.47320)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Birmingham, AL Jefferson Co. United States	Cotton Ave. SW / Tuscaloosa Ave. SW / (parking) (33.49569, -86.84738)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2014
Birmingham, England Birmingham United Kingdom	A38 (Aston Webb Blvd.) / New Fosse Way (52.44693, -1.93918)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Birmingham, AL Jefferson Co. United States	Bessemer Rd. / (unknown) (33.49729, -86.87369)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.8144	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Concentric circulatory roadway striping. Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Birmingham, AL Jefferson Co. United States	Liberty Pkwy. / Lake Pkwy. (33.47937, -86.67624)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.8928	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1998-2002). ICD estimated from Google Maps linework.
Birmingham Gardens, NSW Newcastle Australia	Blue Gum Rd. / University Dr. (-32.89689, 151.69232)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Birobidzhan, Jewish Autonomous Region Birobidzhan Russia	ulitsa Dimitrova / utilsa Pionerskaya (48.79308, 132.92050)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Birobidzhan, Jewish Autonomous Region Birobidzhan Russia	ulitsa Kosnikova / (unknown) (48.76680, 132.90223)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Birobidzhan, Jewish Autonomous Region Birobidzhan Russia	R455 / ulitsa Birshosse (48.78564, 132.91359)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Birobidzhan, Jewish Autonomous Region Birobidzhan Russia	Parkovaya ulitsa / Pionerskaya utilsa (48.80124, 132.88630)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Birobidzhan, Jewish Autonomous Region Birobidzhan Russia	Veteranskaya ulitsa / Sirenevyy pereulok (48.77131, 132.90325)	Other Existing	Other Unknown	5 Approaches 0 Driveways	Other (At-Grade) Unknown		Circulating traffic yields to entering traffic.
Birtinya, QLD Sunshine Coast Australia	Kawana Way / Metier Linkway (-26.73182, 153.12045)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Birzebbugia, Malta	(unknown) / (unknown) (35.81312, 14.51376)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Birzebbugia, Malta	Triq Hal Far / Triq Kalafrana / Triq San Patrizju (35.81876, 14.53073)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Birzebbugia, Malta	Rte 144/ Triq Zirenu Dali (35.82974, 14.52941)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Bisbee, AZ Cochise Co. United States	Bisbee Rd. / SR 80 / SR 92 (31.42830, -109.89230)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 104.9686	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Biscayne Bay, FL Miami-Dade Co. United States	Almansa St. / San Servando Ave. (25.70356, -80.26504)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Biscayne Bay, FL Miami-Dade Co. United States	Almansa St. / San Juan Dr. (25.70190, -80.26498)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Bishkek, Bishkek Kyrgyzstan	(unknown) (42.84452, 74.52832)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bishkek, Bishkek Bishkek Kyrgyzstan	Shabdan Baatyr St. / Akhunbayev St. (42.84171, 74.63644)	Unknown Existing	Unknown None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Bishop Auckland, England Durham United Kingdom	A688 (Fylands Dr.) / Tindale Crescent / Watling Rd. (54.64314, -1.68104)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Left-turn-only lanes on east and west legs.
Bishop Auckland, England Durham United Kingdom	A688 / A6072 (South Church Rd.) / B6282 (South Church Rd.) (54.65299, -1.66705)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Bishop Auckland, England Durham United Kingdom	A688 / Bone Mill Bank / Auckland Way (54.65622, -1.65746)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Bishopbriggs, Scotland East Dunbartonshire United Kingdom	A803 (Kirkintilloch Rd.) / B819 (Crosshill Rd.) (55.92106, -4.21059)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Bishopbriggs, Scotland East Dunbartonshire United Kingdom	B819 (Crosshill Rd.) / (Strathkelvin Retail Park entrance) (55.92199, -4.20846)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bishops Tawton, England Devon United Kingdom	Bishop's Tawton Roundabout [A361 / A377 (Bishop's Tawton Rd.) / B3138 (Bishop's Tawton Rd.)] (51.06443, -4.04846)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Bishopton, Scotland Renfrewshire United Kingdom	Boden Boo Roundabout [ A726 (Bridgeway) / M898 SB Ramps] (55.91313, -4.47005)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)
Bishopton, Scotland Renfrewshire United Kingdom	Erskine Hospital Roundabout [A726 (Bridgeway) / M898 NB Ramps / B815 (Erskine Ferry Rd.) / Nursery Ave.] (55.91304, -4.47412)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)
Bishopton, Scotland Renfrewshire United Kingdom	Barrangary Roundabout [A8 (Greenock Rd.) / Barrangary Rd.] (55.89710, -4.48970)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Bismarck, ND Burleigh Co. United States	Ash Coulee Dr. / Valley Dr. (46.85492, -100.80461)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023
Bismarck, ND Burleigh Co. United States	N 19th St. / E Calgary Ave. (46.84530, -100.76220)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2024	Painted splitter islands. https://us1033.com/bismarcks-first-mini-roundabout-is-now-open-people-are-freakin/. https://www.youtube.com/watch?v=6m3XF49XU4Q.
Bismarck, ND Burleigh Co. United States	43rd Ave. NE / N 19th St. (46.85254, -100.76214)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2022
Bismarck, ND Burleigh Co. United States	43rd Ave. N / N 26th St. (46.85246, -100.75128)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.2440	Other (At-Grade) Single-Lane	2022
Bismarck, ND Burleigh Co. United States	ND 1804 / N Washington St. (46.88156, -100.79349)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Single-Lane	2019	https://www.ndltap.org/events/conference/downloads/LocalRoads18_RoundaboutsWS.pdf. • Entry Width: 24’ • Exit Width: 32’ • One 16’ Circulating Lane − Can be expanded to 30’ in Future (Two 15’ Lanes) • 45 MPH Approach Speed • 25 MPH Roundabout Circulatory Speed
Bismarck, ND Burleigh Co. United States	Lincoln Rd. / 66th St. SE (46.76551, -100.68939)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2016
Bismarck, ND Burleigh Co. United States	Lincoln Rd. / 52nd St. SE (46.76552, -100.71053)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2016
Bismarck, ND Burleigh Co. United States	Whisper Dr. / Langer Ln. (46.77614, -100.82328)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.9892	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Bixby, OK Tulsa Co. United States	N Riverview Dr. / E 148th St. S / S Mingo Rd. (35.94842, -95.87765)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.8402	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Biysk, Altai Krai Biysk Russia	Krasnooktyabr'skaya ulitsa / ulitsa Maksima Gor'kogo (52.53491, 85.24453)	Other Unknown	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown		Circulating traffic yields to entering traffic. Pedestrian access to central island.
Bjärred, Skåne County Lomma Sweden	Fjelievägen / E6 NB Ramps (55.72272, 13.09088)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane	1976	Raindrop shaped. Merging right-turn bypass lane on east leg. The previous control was yield from ramp.
Bjärred, Skane County Lomma Sweden	Västanvägen / Norra Västkustvägen (55.72600, 13.02694)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.3197	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Bjärred, Skane County Lomma Sweden	Fjelievägen / E20 Ramps (55.72184, 13.08803)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 50.4494	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Bjärred, Skane County Lomma Sweden	Norra Västkustvägen / Tegelbruksvägen (55.74051, 13.03139)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.5829	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Bjelovar, Bjelovar-Bilogora Croatia	D28 (Južna obilaznica) / Slavonska cesta (45.89093, 16.85411)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Björklinge, Uppsala County Uppsala Sweden	Rte 600 / Rte 700 (60.01782, 17.55659)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 50.7316	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Björkmo, Gävleborg County Hudiksvalls kommun Sweden	Forsavägen / E4 SB Ramps (61.65449, 17.01670)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Freeway Ramps (Grade-Separated) Single-Lane	2011	Raindrop shaped.
Björkmo, Gävleborg County Hudiksvalls kommun Sweden	Forsavägen / E4 NB Ramps (61.65422, 17.01869)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Freeway Ramps (Grade-Separated) Single-Lane	2011	Raindrop shaped.
Black Diamond, WA King Co. United States	SE Auburn Black Diamond Rd. / Ten Trails Pkwy. SE (47.31106, -122.03510)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.4528	Other (At-Grade) Single-Lane	2019	North leg added 2021-2022.
Black Diamond, WA King Co. United States	SE Auburn Black Diamond Rd. / Roberts Dr. / Lake Sawyer Rd. SE (47.31151, -122.02996)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.2005	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Black Mountain, QLD Noosa Australia	Cooroy Connection Rd. / M1 (Bruce Hwy.) WB Ramps (-26.39363, 152.86916)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Black Rock, VIC Bayside Australia	SR 33 (Beach Rd.) / SR 10 (Balcombe Rd.) (-37.97549, 145.01591)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		System of two closely spaced roundabouts.
Black Rock, VIC Bayside Australia	SR 10 (Balcombe Rd.) / SR 19 (Bluff Rd.) (-37.97543, 145.01621)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane		System of two closely spaced roundabouts.
Blackburn, England Blackburn with Darwen United Kingdom	A6078 (Barbara Castle Way - Eanam) / A674 (Eanam) / Quarry St. (53.74960, -2.47519)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Blackburn, England Blackburn with Darwen United Kingdom	A678 (Carl Fogarty Way) / A6119 (Whitebirk Rd.) / Burnley Rd. (53.75415, -2.44700)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways	Other (At-Grade) Multilane (3+ Lane)
Blackburn, England Blackburn with Darwen United Kingdom	A6077 (Haslingden Rd.) / (entrance to Royal Blackburn Teaching Hospital) (53.73413, -2.45894)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Blackburn, England Lancs United Kingdom	Whitebirk Roundabout: M65 Ramps / A678 (Carl Fogarty Way) / A6119 (Whitebirk Dr.) / Blackburn Rd. (53.75548, -2.44236)	Signalized Roundabout/Circle Existing	Signal Pedestrian Signal (red-yellow-green to drivers)	6 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Blackburn, England Blackburn with Darwen United Kingdom	A6062 (Livesey Branch Rd.) / Horden View / Coverdale Dr. (53.72267, -2.53310)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Blackbutt, NSW Shellharbour Australia	Wattle Rd. / Brunderee Rd. (-34.57209, 150.84438)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Blackbutt, NSW Shellharbour Australia	College Ave. / Pioneer Dr. (-34.57470, 150.83414)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Blackeberg, Halland County Falkenbergs kommun Sweden	Tångarondellen (56.91696, 12.50417)	Rotary Existing	All-Way Yield None	5 Approaches 0 Driveways 76.2000	Other (At-Grade) Single-Lane		Completed well before 2010.
Blackeberg, Halland County Falkenbergs kommun Sweden	Rte 154 / Kilavägen (56.92321, 12.50801)	Unknown Existing	All-Way Yield Metering Signal	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2009	Completed fall 2009 or spring 2010.
Blackeberg, Halland County Falkenbergs kommun Sweden	Rte 154 / E6-E20 SB Ramps (56.93033, 12.51433)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 150.0000	Freeway Ramps (Grade-Separated) Single-Lane	2015	Yielding right-turn bypass lane on northeast leg.
Blackheath, England Sandwell United Kingdom	A4100 (Henderson Way) / A4171 (Birmingham Rd.) (52.47671, -2.03919)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Blackhorse Ranch South, TX Harris Co. United States	Autumn Light Ln. / Winding Star Ln. (29.95095, -95.71406)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.6240	Unknown Single-Lane	2018	Constructed as traffic circle around 2004 with no splitter island on south leg and unknown control. Painted splitter island on south leg added 2017-2019.
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
Blackmans Bay, TAS Kingborough Australia	Roslyn Ave. (C623) / Algona Rd. (-42.99929, 147.32056)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Blackpool, England Blackpool United Kingdom	Bispham Rd. / Red Bank Rd. / Devonshire Rd. (53.85177, -3.04094)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Blackpool, England Blackpool United Kingdom	A586 (Poulton Rd.) / A587 (Plymouth Rd.-St. Walburga's Rd.) / Carleton Ave. (53.83345, -3.02601)	Signalized Roundabout/Circle Existing	Signal Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)		Signalized pedestrian crossings to central island.
Blackpool, England Lancs United Kingdom	A583 (Preston New Rd.) / B5410 (Lytham Saint Annes Way) / Hallam Way (53.78970, -2.98185)	Roundabout Existing	All-Way Yield None	5 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)