Roundabouts Database Index

30016 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
Jindalee, WA Wanneroo Australia	Vitrinella Ave. / Pharus Grove (-31.63820, 115.68137)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jindalee, WA Wanneroo Australia	Mirabilis Ave. / Marginella Blvd. (-31.63426, 115.68035)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jindalee, WA Wanneroo Australia	Selacosa Ave. / Marlinspike Blvd. (-31.63162, 115.68453)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jindalee, WA Wanneroo Australia	Selacosa Ave. / Midsummer Ave. (-31.63163, 115.68704)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jindalee, WA Wanneroo Australia	Oceania Ave. / Midsummer Ave. (-31.64032, 115.69038)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jindalee, WA Wanneroo Australia	Barquentine Ave. / Roundhouse Parade (-31.64917, 115.68937)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jindalee, WA Wanneroo Australia	Jindalee Blvd. / Maritime Dr. (-31.65155, 115.68696)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jindalee, WA Wanneroo Australia	Jindalee Blvd. / Santa Barbara Parade (-31.65069, 115.69201)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jindalee, WA Wanneroo Australia	Santa Barbara Parade / Forecastle Ave. / Seaspray Crescent (-31.65152, 115.69217)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jindalee, WA Wanneroo Australia	Santa Barbara Parade / Hampshire Dr. / Glengyle Turn (-31.65418, 115.69258)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jodhpur, RJ Jodhpur India	B Rd. / 7th B Rd. (26.27787, 73.00554)	Unknown Existing	Unknown Unknown	5 Approaches 0 Driveways	Other (At-Grade) Unknown
Joensuu, North Karelia Joensuu Finland	Sirkkalansilta / Kettuvaarantie / Itäranta / Sirkkalantie (62.60210, 29.77529)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Joensuu, North Karelia Joensuu Finland	Sirkkalansilta / Yläsatamakatu / Rantakatu (62.60331, 29.76792)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Joensuu, North Karelia Joensuu Finland	Suvantokatu / Rantakatu (62.59806, 29.76325)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Joensuu, North Karelia Joensuu Finland	Karjalankatu / Sortavalankatu (62.59743, 29.78597)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Joensuu, North Karelia Joensuu Finland	Kettuvaarantie / Pohjolankatu (62.60302, 29.80404)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Joensuu, North Karelia Joensuu Finland	Noljakantie / Yliopistokatu (62.61455, 29.73176)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Joensuu, North Karelia Joensuu Finland	Noljakantie / Onttolantie / Marjalantie / Kosti Aaltosen tie (62.62707, 29.69664)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Johanneshov, Stockholm County Stockholm Sweden	Hammarbyvägen / Rte 75 Ramps / Lugnets Allé (59.30090, 18.10143)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.6331	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Johanneshov, Stockholm County Stockholm Sweden	Skansbron / Hammarby allé / Hammarbybacken / Sundstabacken (59.30277, 18.08018)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.9241	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Johanneshov, Stockholm County Stockholm Sweden	Hammarbyvägen / Textilgatan / Mårtendalsgatan (59.30052, 18.09032)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3899	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Johns Creek, GA Fulton Co. United States	Sargent Rd. / Crossington Rd. (34.06858, -84.18933)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 20.7762	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Johns Creek, GA Fulton Co. United States	Sargent Rd. / Windbrooke Way / Lexington Woods Dr. (34.06892, -84.19991)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 17.8081	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Johns Creek, GA Fulton Co. United States	Boles Rd / Bell Rd (34.03935, -84.15603)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.5874	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Johns Creek, GA Fulton Co. United States	Weathervane Dr. / Mabry Park Pl. (34.05871, -84.21291)	Traffic Calming Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 11.8735	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Johns Creek, GA Fulton Co. United States	Bell Rd. / Bellmore Park Ln. (34.04664, -84.16908)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2015	No splitter island on northeast leg. Year Completed estimated (2014-2015).
Johns Creek, GA Fulton Co. United States	Bell Rd. / Old Homestead Trl. / (Cauley Creek Park entrance) (34.03802, -84.14728)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2022	Elliptical shaped. ICD = 115 ft x 105 ft. https://www.ajc.com/neighborhoods/north-fulton/johns-creek-completes-bell-road-at-cauley-creek-park-roundabout/7J5J52OXRBF3VD2D3ONN5G56JE/
Johns Creek, GA Fulton Co. United States	Bell Rd. / Rogers Cir. (34.04464, -84.13928)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2021	https://www.johnscreekga.gov/residents/public-works/secure/tsplost/bell-road-at-rogers-circle-roundabout-and-trail
Johns Creek, GA Fulton Co. United States	Barnwell Rd. / Rivermont Pkwy. (34.00025, -84.25754)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2021-2022).
Johnsburg, IL McHenry Co. United States	Johnsburg Rd. / St Johns Ave. / N Chapel Hill Rd. (42.38032, -88.24188)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5249	Other (At-Grade) Single-Lane	2014	Elliptical shape. Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Johnson City, TN Washington Co. United States	Browns Mill Rd. / W Mountain View Rd. (36.36176, -82.40159)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.5094	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	https://www.wjhl.com/news/new-johnson-city-roundabout-causing-confusion-for-some-drivers/ ICD estimated from Google Maps linework.
Johnson City, NY Broome Co. United States	Riverside Dr. / Floral Ave. / Rte 201 Ramps (42.10678, -75.96601)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	http://www.dot.state.ny.us/reg/r9/cur_project/circle/about/index.html
Johnston, IA Polk Co. United States	NW 106th St. / NW 62nd Ave. (41.67292, -93.76427)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Multilane (2 Lane, unspecified)	2012
Johnston, IA Polk Co. United States	NW 62nd Ave / Pioneer Hi-Bred Crick Bldg (41.67292, -93.72965)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.2527	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Johnston, IA Polk Co. United States	NW 62nd Ave / South Dr (41.67279, -93.72054)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.5765	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Johnston, IA Polk Co. United States	NW 62nd Ave / North Dr (41.67272, -93.71476)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 37.4686	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Johnston, IA Polk Co. United States	NW 62nd Ave / Pioneer Pkwy (41.67275, -93.71210)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 37.4686	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Johnston, IA Polk Co. United States	NW 70th Ave. / NW 107th St. (NE Edgewood Dr.) (41.68834, -93.76342)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.2433	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Johnston, IA Polk Co. United States	NW 70th Ave. / NW 100th St. (41.68834, -93.75589)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.8109	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Johnston, IA Polk Co. United States	NW 100 St. / NW 68th Ave. (41.68333, -93.75594)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5705	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Johnston, IA Polk Co. United States	NW 100th St. / Ashton Dr. (41.67978, -93.75594)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5725	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Johnston, IA Polk Co. United States	NW 100th St. / Newport Vista Dr. (41.67795, -93.75591)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.6815	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Johnston, IA Polk Co. United States	NW 70th Ave. / Peckham St. (41.68821, -93.74458)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	Year Completed estimated (2018-2019).
Johnston, NT Palmerston Australia	Farrar Blvd. / Inverway Circuit (-12.48580, 131.00259)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Johnston, NT Palmerston Australia	Farrar Blvd. / Brisbane Crescent / Lind Rd. (-12.49189, 131.00548)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Johnstone, Scotland Renfrewshire United Kingdom	Deafhillock Roundabout [A761 (Bridge of Weir Rd.) / A789 (Barochan Rd.) / Merchiston Oval] (55.84375, -4.52093)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Johnstown, CO Larimer Co. United States	Thompson Pkwy. / (parking lots) (40.40506, -104.98335)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.7405	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	ICD estimated from Google Maps linework.
Johnstown, CO Larimer Co. United States	CO 402 / I-25 SB Ramps (40.37811, -104.99418)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.4010	Freeway Ramps (Grade-Separated) Single-Lane	2019	Opened to traffic October 18, 2019. ICD estimated from Google Maps linework.
Johnstown, CO Larimer Co. United States	CO 402 / I-25 NB Ramps (40.37813, -104.99255)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.4911	Freeway Ramps (Grade-Separated) Single-Lane	2019	Opened to traffic October 18, 2019. ICD estimated from Google Maps linework.
Johnstown, CO Larimer Co. United States	CR 18 / NE Frontage Rd. / SE Frontage Rd. (40.37811, -104.98867)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.4911	Other (At-Grade) Single-Lane	2019	Opened to traffic October 18, 2019. ICD estimated from Google Maps linework.
Johnstown, CO Weld Co. United States	CR 17 / CR 54 (40.37782, -104.90748)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.facebook.com/WeldCountyGovernment/photos/congratulations-to-the-weld-county-department-of-public-worksweld-countys-first-/1884120768409090
Johnstown, OH Licking Co. United States	Mink St. / (unknown) (40.10488, -82.70700)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2024
Johnstown, OH Licking Co. United States	Green Chapel Rd. / Mink St. (40.12321, -82.69688)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2024
Johnstown, OH Licking Co. United States	Green Chapel Rd. / (unknown) (40.12333, -82.70509)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2024
Johnstown, CO Weld Co. United States	SH 60 / Gateway Cir. (40.33527, -104.98559)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 59.4360	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2024	Primary access to large travel and fuel center. Year Completed estimated (2023-2024).
Joint Base Lewis-McChord, WA Pierce Co. United States	D St. / South Dr. / Integrity Gate (47.11600, -122.61932)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.3273	Other (At-Grade) Single-Lane	2014	Open July 2014. ICD estimated from Google Maps linework.
Joint Base Lewis-McChord, WA Pierce Co. United States	Colorado Ave. / Garcia Blvd. (47.09688, -122.58387)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.4657	Other (At-Grade) Single-Lane	2015	Open January 2015. ICD estimated from Google Maps linework.
Joint Base Lewis-McChord, WA Pierce Co. United States	Portland Ave. SW / Boundary St. SW / Camp Murray Gate (47.12106, -122.56300)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.6312	Other (At-Grade) Single-Lane	2012	Open October 2012. ICD estimated from Google Maps linework.
Joint Base Lewis-McChord, WA Pierce Co. United States	Murray Rd. SW / 150th St. SW (47.12084, -122.54259)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	Open September 2012.
Joint Base Pearl Harbor-Hickam, HI Honolulu Co. United States	Atterbury Circle (21.33842, -157.95736)	Other Existing	Other Unknown	5 Approaches 2 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)
Jokkmokk, Norrbotten County Jokkmokk Sweden	E45 / Rte 97 / Storgatan (66.60666, 19.82323)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.5035	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Jokkmokk, Norrbotten County Jokkmokk Sweden	Rte 97 / Lappstavägen (66.60380, 19.84765)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 18.0216	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Joliet, IL Kendall Co. United States	Wildsprings Pkwy. / Onyx Ln. (41.55281, -88.28244)	Traffic Calming Circle Existing	Uncontrolled None	3 Approaches 0 Driveways 30.3882	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Joliet, IL Kendall Co. United States	Wildsprings Pkwy. / Waterbury Dr. (41.56095, -88.29127)	Traffic Calming Circle Existing	All-Way Stop None	4 Approaches 0 Driveways 18.7668	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Joliette, QC Joliette Regional County Municipality Canada	Boulevard Dollard / Rue Calixa-Lavallée / Rue Joseph-Arthur (46.02136, -73.42549)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 58.8824	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Jonesboro, AR Craighead Co. United States	N Airport Rd. / Aggie Rd. (35.84631, -90.65022)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2016
Jonesboro, GA Henry Co. United States	Jodeco Rd. / Blackhall Rd. / Longwood Dr. (33.50911, -84.27798)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	https://movinghenryforward.org/2018/07/03/jodeco-blackhall-closure-for-final-construction/
Jonesboro, AR Craighead Co. United States	SR 163 (Harrisburg Rd.) / SR 158 (E Lawson Rd.) (35.74871, -90.66603)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 56.3880	Other (At-Grade) Single-Lane	2021	https://www.kait8.com/2021/06/22/new-roundabout-use-south-jonesboro/
Jonesborough, TN Washington Co. United States	W Main St. / Depot St. / TN Hwy 353 (36.28199, -82.48374)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.4734	Other (At-Grade) Single-Lane	2014	Bypass lane in west quadrant with acute view angle. ICD estimated from Google Maps linework.
Jonesville, NC Yadkin Co. United States	NC 67 / PVH Quality Ln. (36.23906, -80.81355)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.3850	Other (At-Grade) Single-Lane	2014	Year completed estimated (2013-2015). ICD estimated from Google Maps linework.
Jönköping, Jonkoping County Jönköping Sweden	Munksjögatan / Gjuterigatan / Hamngatan (57.77869, 14.16592)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jönköping, Jonkoping County Jönköping Sweden	Odengatan / Tullportsgatan / Godhemsgatan (57.77934, 14.18692)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Jönköping, Jonkoping County Jönköping Sweden	Regementsgatan / Bataljonsgatan (57.77046, 14.19949)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Joondalup, WA Joondalup Australia	SR 85 (Joondalup Dr.) / SR 87 (Burns Beach Rd.) (-31.71831, 115.77059)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Joplin, MO Jasper Co. United States	Tri State Rd. / W 1st St. (37.09190, -94.55775)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 56.3880	Other (At-Grade) Single-Lane	2008
Joplin, MO Jasper Co. United States	Prigmor Rd. / E 20th St. / I-44 WB Ramps (37.06999, -94.40444)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Freeway Ramps (Grade-Separated) Single-Lane	2015	https://www.joplinglobe.com/news/local_news/new-i-44-interchange-ready-for-traffic-to-roll/article_a99388fb-0488-5c4a-82e9-f0e64593260b.html
Joplin, MO Jasper Co. United States	Prigmor Rd. / CR 190 / Apple Rd. / I-44 EB Ramps (37.06848, -94.40364)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Freeway Ramps (Grade-Separated) Single-Lane	2015	https://www.joplinglobe.com/news/local_news/new-i-44-interchange-ready-for-traffic-to-roll/article_a99388fb-0488-5c4a-82e9-f0e64593260b.html
Joplin, MO Newton Co. United States	E 44th St. / Connecticut Ave. (37.04041, -94.49700)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2020	https://www.fourstateshomepage.com/news/joplins-newest-roundabout-opens-to-traffic/
Joplin, MO Jasper Co. United States	W 32nd St. / Central City Rd. / Antelope Rd. (37.05633, -94.58438)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2017
Joplin, MO Newton Co. United States	US 166-US 400 / Downstream Blvd. (37.00188, -94.61546)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 51.5057	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	ICD estimated from Google Maps linework.
Joplin, MO Jasper Co. United States	N Main St (Rte 43) / Demott Ave (Rte 171) (37.14269, -94.51071)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 44.7459	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
Joplin, MO Newton Co. United States	E 50th St. / Mercy Way / (unknown) (37.03345, -94.51231)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 57.2048	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Free-flowing right-turn bypass lane with two pedestrian crossings, forming short weaving section between this roundabout and roundabout to the west. ICD estimated from Google Maps linework.
Joplin, MO Newton Co. United States	Hearnes Blvd. / E 50th St. / Glendale Blvd. (37.03357, -94.51492)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 50.5308	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Free-flowing right-turn bypass lane on east leg fed by short weaving section from upstream roundabout with bypass lane. ICD estimated from Google Maps linework.
Joplin, MO Jasper Co. United States	E Zora St. / Hall St. / Duquesne Rd. (37.11261, -94.45761)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2025	https://www.facebook.com/JoplinNewsFirst/videos/koamtrafficalert-roundabout-opens-at-zoraduquesnehall-to-all-traffic/1644473069823426/
Joppa, MD Harford Co. United States	Trimble Rd. / Fort Hoyle Rd. (39.41183, -76.33325)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2013).
Jordan, MN Scott Co. United States	STH 282 (2nd St. W) / Creek Ln. S (44.66886, -93.63533)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.facebook.com/CityofJordanMN/posts/the-roundabout-at-282creek-lane-is-open-today-please-see-our-website-for-the-det/1727211754155592/
Jordan Springs, NSW Penrith Australia	Ninth Ave. / Terrybrook Rd. (-33.71312, 150.73137)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Jordbro, Stockholm County Haninge Sweden	Nynäsvägen / Rörvägen (59.13859, 18.12380)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 28.7944	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Jørpeland, Rogaland Strand Norway	Rv13 (Ryfylkevegen) / Fylkesvei / Fiskåvegen (59.06479, 5.92251)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
José Antonio Galán, Capital District Bogotá Colombia	Calle 59S / Carrera 84C / Ave Cdad. de Cali / Calle 60S (4.60870, -74.18122)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Joyce Green, England Kent United Kingdom	A206 (University Way) / Joyce Green Way / Central Rd. (51.45917, 0.21978)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Joyce Green, England Kent United Kingdom	A206 (University Way - Bob Dunn Way) / Marsh St. N (51.45898, 0.23101)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Joyner, QLD Moreton Bay Australia	Youngs Crossing Rd. / McIllwraith Rd. / Pine Valley Dr. (-27.27329, 152.95158)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Junction City, KS Geary Co. United States	US 40 Business (Washington St.) / I-70 WB Ramps / Goldenbelt Blvd. (39.00839, -96.83505)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2006	Completed July 2006.
Junction City, KS Geary Co. United States	East St. / E Chestnut St. / Frontage Rd. / I-70 WB Exit Ramp (39.02176, -96.81661)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 64.0077	Other (At-Grade) Single-Lane	2008	Completed November 2008 (?).
Junction City, KS Geary Co. United States	K-18 / Blue Jay Way / Karns Dr. (39.03013, -96.88229)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Single-Lane	2022	Access to Junction City High School. https://kveng.com/news/junction-city-high-school-project-updates/
Junction West, CA Placer Co. United States	Camino Real Way / Camino Real Way (38.76573, -121.35364)	Other Existing	All-Way Stop Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Juneau, AK Juneau Borough United States	Glacier Hwy. / Renninger St. (58.35931, -134.51254)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023
Juneau, AK Juneau United States	Douglas Hwy / North Douglas Hwy (58.29718, -134.43280)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.9134	Other (At-Grade) Single-Lane	2005	Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Juneau, AK Juneau United States	Glacier Hwy. / Mendenhall Loop Rd. (Back Loop) (58.38637, -134.64432)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0674	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.