Roundabouts Database Index

29492 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
Billings, MT Yellowstone Co. United States	Shiloh Rd. / (Local Access) (45.74776, -108.61750)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.5041	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	Series of 8 roundabouts. Main access to construction materials facility (600+ trucks per day). Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework.
Billings, MT Yellowstone Co. United States	Shiloh Rd. / Hesper Rd. (45.74060, -108.61740)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 43.3436	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework.
Billings, MT Yellowstone Co. United States	Shiloh Rd. / Zoo Dr. (45.73609, -108.61740)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.6799	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Series of 8 roundabouts. Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework.
Billings, MT Yellowstone Co. United States	Shiloh Crossing Blvd. / Olympic Blvd. (45.75216, -108.61570)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.1677	Other (At-Grade) Single-Lane	2009	Functional Class: Local ICD estimated from Google Maps linework.
Billings, MT Yellowstone Co. United States	King Ave. / Olympic Blvd. (45.75507, -108.61360)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.1658	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Near Kohl's retail shopping center. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Billings, MT Yellowstone Co. United States	King Ave. / St. Vincent Way (45.75520, -108.62260)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.9990	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework.
Billings, MT Yellowstone Co. United States	Ironwood Dr. / Woodcreek Dr. (45.81641, -108.67716)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003
Biloela, QLD Banana Australia	SR 60 (Dawson Hwy.) / Valley View Dr. (-24.38643, 150.52555)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Biloxi, MS Harrison Co. United States	Division St. / Forrest Ave. (30.40358, -88.90335)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.9120	Other (At-Grade) Multilane (2 Lane, unspecified)	2020	https://www.wlox.com/2020/12/10/keeslers-division-street-gate-could-be-open-early-winter/
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.