Roundabouts Database Index

29411 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
Sheldon, IA O'Brien Co. United States	34th Ave. / Pavilion Way / Prairie Trail Rd. (43.18342, -95.81593)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Originally just a turnaround for trucks in 2011; an unknown time later two roads were connected. No splitter island on north leg. https://www.nwestiowa.com/news/orange-city-opens-first-roundabout/article_32eaa2b4-63e7-11ee-bfc6-2baa523c8e84.html
Dubuque, IA Dubuque Co. United States	Kerper Blvd. / Kerper Ct. (42.51518, -90.65500)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	https://www.kwwl.com/video/kerper-boulevard-roundabout-now-open-in-dubuque/video_c96b5eb0-5305-5b6f-8b06-be51094e84b7.html
Cedar Rapids, IA Linn Co. United States	1st Ave. NW / Wiley Blvd. (41.96746, -91.72573)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island	2022
Cedar Rapids, IA Linn Co. United States	E Ave. NW / Ellis Blvd. NW / 6th St. NW (41.97796, -91.68196)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only)	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-lane w/ Traversable Central Island	2023	At-grade rail crossing approximately 200 feet east of roundabout. https://www.thegazette.com/news/ellis-boulevard-extension-opens-to-traffic-in-northwest-cedar-rapids/
Urbana, IA Benton Co. United States	SR 150 (31st Ave. - Sunset St.) / Sunset St. (55th St.) (42.22578, -91.89114)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://vintontoday.com/articles/news/article1033582.html
Fairfield, IA Jefferson Co. United States	SR 1 (S Main St.) / Libertyville Rd. / S Junction Rd. (40.98829, -91.96307)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.youtube.com/watch?app=desktop&v=Mabi9suTVMA
Orange City, IA Sioux Co. United States	SR 10 (8th St. SE) / Jay Ave. (42.99743, -96.03708)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.youtube.com/watch?v=ZFEW-ApSdqQ
West Branch, IA Cedar Co. United States	W Main St / Herbert Hoover Hwy / Johnson Cedar Rd. NE (41.67115, -91.36629)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 45.7200	Other (At-Grade) Single-Lane	2023	On boundary between Cedar County and Johnson County and on western city limit of West Branch, IA. South leg is gravel road. https://www.anderson-bogert.com/projects/herbert-hoover-highway-and-johnson-cedar-road-roundabout/
Cedar Rapids, IA Linn Co. United States	6th St. SW / Commerce Park Dr. / (parking) (41.88168, -91.67595)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Single-Lane	2023	Year Completed estimated (2022-2023).
Cedar Rapids, IA Linn Co. United States	12th Ave. SE / 2nd St. SE (41.96957, -91.65931)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-lane w/ Traversable Central Island	2023
Kobe, Hyogo Pref. Japan	Minatojima-minamimachi 6chome (34.65781, 135.22191)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		On Port Island.
Kobe, Hyogo Pref. Japan	Karatodai 2 chome (34.79043, 135.21372)	Other Existing	Unknown None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Deva, Hunedoara Romania	Piața Arras [Bulevardul 22 Decembrie / Bulevardul Decebal / Strada Ciprian Porumbescu / Strada Duiliu Zamfirescu] (45.87365, 22.90861)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Kozina, Hrpelje-Kozina Slovenia	SR 409 / A1 Ramps / Obvozna cesta (45.61047, 13.93613)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Kozina, Hrpelje-Kozina Slovenia	E61-SR 7 (Bazoviška cesta) / Obvozna cesta (45.60892, 13.93200)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Lida, Hrodna Lidskiy rayon Belarus	E85 / R89 / M11 / Varshavskaya (53.87640, 25.27277)	Other Existing	Unknown None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Grodno City Council, Hrodna Grodno Belarus	vulica Maksima Horkaha / vulica Dubko / buĺvar Lieninskaha Kamsamolu (53.69947, 23.81940)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Grodno City Council, Hrodna Grodno Belarus	Magistral'naya / Rumlevskiy prospekt / Kasmanautau praspiekt / Kosmonavtov prospekt (53.67424, 23.86118)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Hradec Králové, Hradec Králové Hradec Králové Czechia	třída Edvarda Beneše / Palachova / Štefánikova (50.19044, 15.84140)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Elliptical shaped.
Bergen, Hordaland Bergen Norway	Hesthaugvegen / (parking) / (parking) (60.46353, 5.31759)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bergen, Hordaland Bergen Norway	Fv540 (Fyllingsdalsveien - Hjalmar Brantings Vei) / Krokatjønnveien / Sælenveien (60.34831, 5.28189)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Bergen, Hordaland Bergen Norway	E39 (Hardangervegen) / Fv582 (Troldhaugvegen) / E39-Fv580 (Fritz C. Riebers veg) Ramps (60.32502, 5.33752)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Bergen, Hordaland Bergen Norway	Tertnesveien / Åsamyrane / E16-E39 (Åsaneveien) Ramps (60.45581, 5.31902)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Bergen, Hordaland Bergen Norway	Michael Krohns gate / Solheimsgaten (60.37619, 5.33719)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bergen, Hordaland Bergen Norway	Nygårdsgaten / Solheimsgaten / Møllendalsveien / E39 Ramps (60.37933, 5.33486)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Gomel City Council, Homel Gomel' Belarus	E271-M5 / praspiekt Kasmanaŭtaŭ / Mahilioŭskaja St. (52.46411, 30.94644)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Ciudad de Holguín, Holguín Holguín Cuba	Avenida XX Aniversario / (unknown) (20.89262, -76.24193)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Kitahiroshima City, Hokkaido Japan	Nishinosato (42.99590, 141.51999)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2023	https://www.sorachi.pref.hokkaido.lg.jp/kk/skk/flink/133492.html
Kaminokuni, Hokkaido Hiyama Japan	Rte 228 / Rte 5 (41.80526, 140.12339)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2019	This is the first roundabout in north Japan.
Hamatonbetsu Town, Hokkaido Esashi Japan	Rte 275 / Rte 84 (45.12453, 142.36011)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.0000	Other (At-Grade) Single-Lane	2020	This is the second roundabout in northern Japan.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Rte 1 / Rte 36 (64.17599, -21.67705)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 49.4247	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Rte 1 / Helgafellsvegur (64.16799, -21.68386)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 50.4797	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Rte 1 / Reykjavegur (64.16546, -21.69327)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 51.5253	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Reykjavegur / Jonsteigur (64.16361, -21.68868)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.3525	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Þverholt / Haholt (64.16655, -21.69572)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.7058	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Rte 1 / Langitangi (64.16486, -21.70640)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.9240	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Rte 1 / Baugshilo / Skarholabraut (64.15877, -21.72472)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 52.0583	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið Iceland	Rte 1 / Korpuifsstadavegur (64.15355, -21.73750)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 52.0680	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Rte 1 / Blikastadavegur (64.13897, -21.75835)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 49.4906	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Vikurvegur / Rte 1 Ramps (64.13426, -21.76538)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 42.7255	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Lambhagavegur / Blikastaðavegur (64.13884, -21.75433)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.6945	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Mímisbrunnur / Ulfarsbraut (64.13442, -21.74713)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 22.4047	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Mimisbrunnur / Gefjunabrunnur (64.13518, -21.74463)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 22.9251	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Grafarholtsbegur / Vinlandsleið (64.12549, -21.77549)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 51.0783	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Storhofoi / Grafarnoltsvegur (64.12770, -21.77774)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 32.3123	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Srothofoi / Rte 49 Offramp (64.12625, -21.78314)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 35.9623	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Bildshofoi / Saevarhofoi (64.12464, -21.84049)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.1885	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Baejarhals / Halsabraut (64.11885, -21.79844)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.1092	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Baejarhals / Tunguhals (64.11722, -21.78862)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.0254	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Baejarhals / Sudurlandsvegur Ramps (64.11401, -21.78316)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.2352	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Hadegismoar / Sudurlandsvegur Ramps (64.11384, -21.77687)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.2427	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Rte 1 / Rte 413 (64.10478, -21.77439)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 44.3356	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Rte 1 / Nordlingavad / Vegbrekkur (64.10164, -21.75941)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 45.9056	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Kópavogsbær, Höfuðborgarsvæðið Iceland	Arnarnesvegur / Rte 41 Ramps (64.09517, -21.88820)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 89.2236	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Mimisbrunnur / Iounnarbrunnar (64.13592, -21.74221)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 22.4035	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Mimisbrunnur / Skyggnisbraut (64.13682, -21.73933)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 33.3436	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Skyggnisbraut / Urdarbrunnur (64.13578, -21.73416)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Reykjavik, Höfuðborgarsvæðið Iceland	Vikurvegur / Fossaleynir (64.14600, -21.77369)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 16.6663	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Vikurvegur / Mosavegur / Strandvegur / Korpullsstadavegur (64.15118, -21.77156)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.4093	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Borgavegur / Soleyjarimi (64.15041, -21.79498)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.4932	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Borgavegur / Spongin (64.14953, -21.78816)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 33.8491	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Spongin parking lot (64.15008, -21.78784)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 33.3277	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Borgavegur / Langirimi (64.14737, -21.78501)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.5190	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Hallsvegur / Langirimi (64.14056, -21.79653)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.1717	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Hallsvegur / Fjallkonuvegur (64.13983, -21.78927)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 32.2981	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavík, Höfuðborgarsvæði Iceland	Rte 49 (Hringbraut) / Suðurgata (64.14279, -21.94814)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Reykjavík, Höfuðborgarsvæði Iceland	Rte 49 (Hringbraut) / Ánanaust / Eiðsgrandi (64.15095, -21.95956)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Reykjavík, Höfuðborgarsvæði Iceland	Ánanaust / Mýrargata / Fiskislóð / Grandagarður (64.15291, -21.95275)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Garðabær, Höfuðborgarsvæði Iceland	Rte 415 (Álftanesvegur Bypass) / Álftanesvegur / (connector to Hraunsholtsbraut) (64.08513, -21.95414)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Kapaa, HI Kauai Co. United States	Kuhio Hwy. / Mailihuna Rd. (22.09310, -159.30750)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways 37.7952	Other (At-Grade) Single-Lane	2021	https://www.thegardenisland.com/2021/06/17/hawaii-news/kealia-roundabout-progress-continues/
Waikoloa, HI Hawaii Co. United States	Mauna Lani Dr. / Kaniku Dr. (19.93999, -155.85740)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 100.5840	Other (At-Grade) Single-Lane		Crosswalks are much further away from the circle than at typical roundabout.
Orchidlands Estates, HI Hawaii Co. United States	Keaau-Pahoa Rd. / Ainaloa Blvd. (19.54338, -154.97495)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.1084	Other (At-Grade) Single-Lane	2020	R/W being hard to acquire, this project is being rushed within existing R/W as an urgent safety measure. https://histategis.maps.arcgis.com/apps/MapSeries/index.html?appid=39e4d804242740a89d3fd0bc76d8d7de
Kaneohe, HI Honolulu Co. United States	Anoi Rd. / Uhilehua Rd. (21.40177, -157.80401)	Other Existing	Other None	4 Approaches 0 Driveways 93.4057	Other (At-Grade) Single-lane w/ Traversable Central Island	2019	Stop signs on some entries. https://www.hawaiinewsnow.com/2019/08/20/residents-say-new-roundabouts-are-causing-confusion-reckless-driving-kaneohe-neighborhood/ ICD estimated from Google Maps linework.
Kahului, HI Maui Co. United States	Kamehameha Ave. / Maui Lani Pkwy. (20.86596, -156.48413)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	Opened July 29, 2020.
Koloa, HI Kauai Co. United States	Lawa'i Rd. / Po'ipu Rd. / Ala Kalanikaumaka (21.88329, -159.46810)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.3776	Other (At-Grade) Single-Lane	2008
North Shore, HI Honolulu Co. United States	Kamehameha Hwy / Hwy 82 / Hwy 930 (21.57568, -158.10573)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 157.7116	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
North Shore, HI Honolulu Co. United States	Hwy 930 (Farrington Hwy.) / Goodale Ave. (21.56644, -158.12253)	Rotary Existing	Other Unknown	3 Approaches 0 Driveways 62.2001	Other (At-Grade) Single-Lane		Yielding on circulatory roadway. ICD estimated from Google Maps linework.
Kealakekua, HI Hawaii Co. United States	Halekii St. / Muli St. (19.51673, -155.92736)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 18.0113	Other (At-Grade) Single-lane w/ Traversable Central Island		Stop control on side street. ICD estimated from Google Maps linework.
Kealakekua, HI Hawaii Co. United States	Halekii St. / Mamao St. (19.51783, -155.92400)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 22.5140	Other (At-Grade) Single-lane w/ Traversable Central Island		Stop control on side street. ICD estimated from Google Maps linework.
Pearl City, HI Oahu Co. United States	Kuahaka St. / Kalauipo St. (21.41052, -157.96720)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.4619	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Pearl City, HI Oahu Co. United States	Kuahaka St. / Kaweloka St. (21.40495, -157.97320)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 17.7912	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Kailua, HI Oahu Co. United States	Ulupuni St. / Uluhala St. (21.37803, -157.75590)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 15.5702	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Pukalani, HI Maui Co. United States	Kupaoa St. / Ohiaku St. (20.82094, -156.33001)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2005
Lihue, HI Kauai Co. United States	Pikake St. / Kauila St. / Makaa St. (21.96538, -159.37974)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2006
Honolulu, HI Oahu Co. United States	Likini St. / Ala Ilima St. / Ala Lilikoi St. (21.35054, -157.91460)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.4720	Other (At-Grade) Single-Lane	2000	Roundabout is 500 ft from Salt Lake Elementary School. http://starbulletin.com/2000/02/28/news/story9.html ICD estimated from Google Maps linework.
Kapaa, HI Kauai Co. United States	Kapaa Bypass / Olohena Rd. (22.07727, -159.32240)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0960	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Central Oahu Regional Park, HI Oahu Co. United States	Ka Uka Blvd. / Waipio Uka St. (21.41762, -158.00730)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1385	Other (At-Grade) Single-Lane	2002	Completed prior to 2006 Construction stage aerial in Google Earth. Functional Class: Park Road ICD estimated from Google Maps linework.
Salt Lake, HI Oahu Co. United States	Ala Napunani St. / Likini St. (21.34596, -157.90180)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.4727	Other (At-Grade) Single-Lane	2001	Existing prior to 2006, includes driveway as 4th leg. Functional Class: Collector ICD estimated from Google Maps linework.
Pearl Harbor Naval Base (Ford Island), HI Oahu Co. United States	Ford Island Blvd. / Saratoga Blvd. (21.36689, -157.95610)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.2752	Other (At-Grade) Single-Lane	2006	Existing prior to 2005. Relocated in 2005/2006. Functional Class: Collector ICD estimated from Google Maps linework.
Honolulu, HI Oahu Co. United States	Keeaumoku St. / Heulu St. (21.30592, -157.83500)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 17.8032	Other (At-Grade) Single-Lane	1999	Urban. ICD estimated from Google Maps linework.
Honolulu, HI Oahu Co. United States	Haloa Dr. / Ala Oli St. (21.36132, -157.92560)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.2456	Other (At-Grade) Single-Lane	2005	Constructed prior to 2006 in Foster Village subdivision. ICD estimated from Google Maps linework.
Kihei, HI Maui Co. United States	Piikea Ave. / Liloa Dr. (20.75081, -156.44990)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5056	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Kihei, HI Maui Co. United States	Waiapo St. / Oluea St. (20.76022, -156.45500)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 113.9119	Other (At-Grade) Single-Lane	2007	Painted splitter islands. Functional Class: Local ICD estimated from Google Maps linework.
Pahoa, HI Hawaii Co. United States	SR 130 (Pahoa Rd) / Keaau Pahoa Rd. (19.50539, -154.95606)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 34.8994	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Kihei, HI Maui Co. United States	SR 31 (Piilani Hwy.) / Kulanihakoi St. (20.76193, -156.44992)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	Yield-controlled right-turn bypass lanes on north and south legs; merging right-turn bypass lane on west leg. Raised crosswalks on right-turn bypass lanes. https://www.youtube.com/watch?v=CD8W-p-qjhc
Koloa, HI Kauai Co. United States	SR 530 (Koloa Rd.) / Ala Kalanikaumaka (21.90635, -159.47038)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 45.7200	Other (At-Grade) Single-Lane	2021	A fourth leg is planned at the north side of this roundabout, but that probably won't be until at least 2030.
Lihue, HI Kauai Co. United States	Hardy St. / Umi St. (21.97617, -159.36577)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2015	Located at Wilcox Elementary School.
Lihue, HI Kauai Co. United States	Nuhou St. / Kaneka St. (21.96696, -159.38690)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 37.7952	Other (At-Grade) Single-Lane	2015	The fourth (north) approach is a private street, added in 2023.
Eleele, HI Kauai Co. United States	Mahea Rd. / Iluna St. (21.90800, -159.57802)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 20.4216	Other (At-Grade) Single-Lane	2017	Large trucks may need to turn in front of the central island.
Kapaa, HI Kauai Co. United States	Kawaihau Rd. / Mailihuna Rd. / Hauaala Rd. (22.09189, -159.31598)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2023	Peanut shaped. Connects what was previously two intersections.