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
Warwick, RI Kent Co. United States	Toll Gate Rd. (Rte 115) / Centerville Rd. (Rte 117) / Veteran's Memorial Drive Extension (41.69815, -71.46408)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.9384	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	Roundabout is fully operational as of fall 2016 but still has landscape work and other minor work to be completed. There is a NEW roadway not shown on the aerial mapping - it is the Veteran's Memorial Drive Extension. ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	Lincoln Way W / Progress Dr. (41.69728, -86.31354)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 42.6717	Other (At-Grade) Single-Lane	2021	Serves South Bend International Airport. https://nwindianabusiness.com/community/business-news/upgrades-to-south-bend-international-airport-in-response-to-increased-passenger-use/27566/
Coralville, IA Johnson Co. United States	Holiday Rd. / Corridor Way (41.69709, -91.60332)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.3202	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Ankeny, IA Polk Co. United States	SW Snyder Blvd. / Springfield Dr. (41.69610, -93.60439)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8618	Other (At-Grade) Single-Lane	2006	In new residential development. Functional Class: Local ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	US 20 / Lexington Ave. (41.69575, -86.31279)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2006	Fatal crash June 29, 2011. 11861-05.
Coralville, IA Johnson Co. United States	Commerce Dr. / Commercial Park (41.69560, -91.61393)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2389	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Barnstable, MA Barnstable Co. United States	Meetinghouse Way (Rte 149) / US 6 EB / Service Rd. (41.69544, -70.38519)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.4815	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Osceola, IN Elkhart Co. United States	Ash Rd. / Edison Rd. (41.69543, -86.06169)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.6718	Other (At-Grade) Single-Lane	2018	date: https://www.southbendtribune.com/news/local/at-t-blamed-for-construction-delay-of-edison-ash-roundabout/article_c7e4abd2-0d4c-5cb2-9438-0d8280388751.html ICD estimated from Google Maps linework.
Coralville, IA Johnson Co. United States	12th Av. / Holiday Rd. (41.69491, -91.58287)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.4032	Other (At-Grade) Single-lane w/ Traversable Central Island	2015	Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	US 20 / Mayflower Rd. (41.69477, -86.32246)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2006
Naperville, IL Will Co. United States	Honey Locust Dr. / 103rd St. (41.69412, -88.22994)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2002-2005).
Ankeny, IA Polk Co. United States	SW Goodwin St. / Springfield Dr. (41.69388, -93.61487)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.9709	Other (At-Grade) Single-Lane	2004	One of three in a new residential development. Functional Class: Local ICD estimated from Google Maps linework.
Ankeny, IA Polk Co. United States	SW Somersby Blvd. / Springfield Dr. (41.69387, -93.61252)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 24.0790	Other (At-Grade) Single-Lane	2004	One of three in a new residential development. Functional Class: Local ICD estimated from Google Maps linework.
Oswego, IL Kendall Co. United States	Wolf Rd. / Harvey Rd. (41.69371, -88.27547)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2023	https://patch.com/illinois/oswego/reopening-date-set-wolfs-crossing-road-new-roundabout
South Bend, IN St. Joseph Co. United States	W Angela Blvd. / Riverside Dr. (41.69334, -86.26413)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6465	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Coventry, RI Kent Co. United States	Victoria Hwy (Rte 102) / Flat River Rd. (Rte 117) (41.69308, -71.69349)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.8894	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Coralville, IA Johnson Co. United States	1st Ave. / Holiday Rd. (41.69276, -91.56655)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.8896	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Opened September 1, 2002. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Poughkeepsie, NY Dutchess Co. United States	Rte 376 / Collegeview Ave. (41.69179, -73.90046)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.3227	Other (At-Grade) Single-Lane	2008	Near Vassar College ICD estimated from Google Maps linework.
Ankeny, IA Polk Co. United States	SW Somersby Blvd. / 46th St. (41.69155, -93.61253)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.0799	Other (At-Grade) Single-Lane	2004	One of three in a new residential development. Functional Class: Local ICD estimated from Google Maps linework.
Poughkeepsie, NY Dutchess Co. United States	Rte 376 / College Ave. (41.68975, -73.89973)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.7562	Other (At-Grade) Single-Lane	2006	Near Vassar College ICD estimated from Google Maps linework.
Millville, UT Cache Co. United States	N Main St. / W 450 N / E 450 N (41.68940, -111.82356)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2017).
Toledo, OH Lucas Co. United States	Berdan Ave. / Haverhill Dr. / I-75 SB On-ramp (41.68899, -83.56276)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 46.3780	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	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 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. / 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).
Sylvania Township, OH Lucas Co. United States	Sylvania Ave. / Centennial Rd. (41.68821, -83.74265)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.4055	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Sylvania Township, OH Lucas Co. United States	W Sylvania Ave. / Mitchaw Rd. (41.68780, -83.76150)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.6760	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Toledo, OH Lucas Co. United States	Berdan Ave. / Jeep Pkwy. (41.68743, -83.56072)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 45.4872	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Year Completed estimated (2016-2018). ICD estimated from Google Maps linework.
Richfield Township, OH Lucas Co. United States	W Sylvania Ave. / Kilburn Rd. (41.68717, -83.78585)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2023	https://www.13abc.com/2023/06/07/closures-expected-amidst-sylvania-ave-roundabout-construction/
Zaragoza, Aragon Zaragoza Spain	Glorieta Escultor Oscar Lainez [Ronda de Boltaña / Calle del Poeta Luciano Gracia / Calle de Zaragoza] (41.68712, -0.88973)	Roundabout Existing	All-Way Yield Pedestrian Signal (red-yellow-green to drivers)	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Painesville, OH Lake Co. United States	Painesville Warren Rd. / Vrooman Rd. / Leroy Center Rd. (41.68699, -81.17544)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.9198	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Poughkeepsie, NY Dutchess Co. United States	Rte 376 / Vassar Lake Dr. (41.68654, -73.89823)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 18.7303	Other (At-Grade) Single-Lane	2006	Near Vassar College ICD estimated from Google Maps linework.
Toledo, OH Lucas Co. United States	N Detroit Ave. / Berdan Ave. / Collingwood Blvd. (41.68597, -83.55630)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.9478	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Millville, UT Cache Co. United States	W 100 N / W 2600 S / N 300 W (41.68582, -111.83169)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2017).
Bourne, MA Barnstable Co. United States	Otis Rotary [MacArthur Blvd. (Rte 28) / Connery Ave. / Sandwich Rd. (Rte 28A)] (41.68534, -70.59144)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 249.9360	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2017	New lane configuration/striping in 2017. ICD = 820 ft x 620 ft. 21442
South Bend, IN St. Joseph Co. United States	Michigan St. / Bartlett St. (41.68529, -86.25054)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.5161	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	Adjacent to Hospital, incorporates cycle track on east leg. ICD estimated from Google Maps linework.
Toledo, OH Lucas Co. United States	W Manhattan Blvd. / Phillips Ave. / Blanchard St. (41.68496, -83.55039)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.4889	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Toledo, OH Lucas Co. United States	Cherry St. / Manhattan Blvd. / Collingwood Blvd. (41.68485, -83.55559)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.3810	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Olmeto, Corsica Southern Corsica France	T40 / T402 / D257 (41.68415, 8.92125)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
South Yarmouth, MA Barnstable Co. United States	Edgewater Dr. (41.68404, -70.16354)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Toledo, OH Lucas Co. United States	Willys Pkwy. / I-75 SB Ramps (41.68357, -83.57052)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.8140	Freeway Ramps (Grade-Separated) Single-Lane	2018	Year Completed estimated (2018-2019). 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.
Chatham, MA Barnstable Co. United States	Rte 28 (Main St.) / George Ryder Rd. (41.68300, -69.99567)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://capecodchronicle.com/en/5547/chatham/6575/Town-Truck-Troubles-On-28-Are-Temporary.htm
Toledo, OH Lucas Co. United States	Willys Pkwy / I-75 NB Ramps (41.68284, -83.56919)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.9226	Freeway Ramps (Grade-Separated) Single-Lane	2018	Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Chatham, MA Barnstable Co. United States	Main St. (Rte 28) / Stage Harbor Rd. / Old Harbor Rd. (Rte 28) / Queen Anne Rd. (41.68267, -69.96167)	Other Existing	All-Way Yield None	5 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian crossing within circulatory roadway.
Chatham, MA Barnstable Co. United States	Main St. / Barn Hill Rd. (41.68246, -69.99174)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2021).
Toledo, OH Lucas Co. United States	Jeep Pkwy. / Willys Pkwy. (41.68202, -83.56738)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.6792	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	Main St. / N Michigan S.t / E Marion St. / N Dr Martin Luther King Jr Blvd. (41.68180, -86.25046)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.7072	Other (At-Grade) Single-Lane	2016	Right-turn-only lane on north leg. ICD estimated from Google Maps linework.
Coralville, IA Johnson Co. United States	E. 9th St. / Quarry Rd. (41.68176, -91.55988)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5714	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Opened August 15, 2006. ICD estimated from Google Maps linework.
Coralville, IA Johnson Co. United States	E 9th St. / E 2nd Ave. (41.68169, -91.56306)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.coralville.org/887/E-9th-Street
Barnstable, MA Barnstable Co. United States	Rte 149 / Race Ln. (41.68164, -70.40159)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8676	Other (At-Grade) Single-Lane	1999	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.
Coralville, IA Johnson Co. United States	E 7th St. / E 2nd Ave. (41.67892, -91.56378)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.7092	Other (At-Grade) Single-Lane	2019	Opened to traffic August 2019. East leg will re-open October 2019; north leg open to traffic summer 2020. 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.
Toledo, OH Lucas Co. United States	Front St. / Millard Ave. (41.67659, -83.47982)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 57.9120	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2021).
Nibley, UT Cache Co. United States	W 3200 S / S 1200 W (41.67509, -111.86225)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2020-2022).
Toledo, OH Lucas Co. United States	Millard Ave. / Tiffin St. (41.67453, -83.47456)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.9120	Other (At-Grade) Single-Lane	2020	Add-lane right-turn bypass lane on west leg. Year Completed estimated (2019-2021).
Toledo, OH Lucas Co. United States	Old Promedica Pkwy. / (unknown) (41.67440, -83.59427)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 21.4101	Other (At-Grade) Single-Lane	2018	https://www.toledoblade.com/local/2016/08/19/Traffic-patterns-shift-on-ProMedica-Parkway.html ICD estimated from Google Maps linework.
Toledo, OH Lucas Co. United States	Promedica Pkwy. / (hospital access) (41.67423, -83.59308)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.1152	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	https://www.toledoblade.com/local/2016/08/19/Traffic-patterns-shift-on-ProMedica-Parkway.html ICD estimated from Google Maps linework.
Rolling Prairie, IN La Porte Co. United States	SR 2 / Lincoln Hwy / US 20 WB Ramps (41.67371, -86.58894)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.1443	Freeway Ramps (Grade-Separated) Single-Lane	2019	Raindrop shape. https://whatsnewlaporte.com/2019/11/22/2-20-dogbone-is-officially-open-to-traffic/ ICD estimated from Google Maps linework.
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 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
Altoona, IA Polk Co. United States	NE 62nd Ave. / 20th Ave. NW (41.67289, -93.48702)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2021-2022).
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.
Toledo, OH Lucas Co. United States	N Cove Blvd. / Promedica Pkwy. (41.67276, -83.59272)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.5475	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	https://www.toledoblade.com/local/2016/08/19/Traffic-patterns-shift-on-ProMedica-Parkway.html 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 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.
Pleasant Valley, NY Dutchess Co. United States	Rte 55 / Rte 47 (41.67244, -73.80512)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 28.5476	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Rolling Prairie, IN La Porte Co. United States	SR 2 / Lincoln Hwy / US 20 EB Ramps (41.67215, -86.58906)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.1453	Freeway Ramps (Grade-Separated) Single-Lane	2019	Raindrop shape. https://whatsnewlaporte.com/2019/11/22/2-20-dogbone-is-officially-open-to-traffic/ ICD estimated from Google Maps linework.
Iowa City, IA Johnson Co. United States	Herbert Hoover Hwy. NE / I-80 WB Ramps (41.67198, -91.44380)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022	Previous intersection was entrance ramp only. https://www.news.iowadot.gov/newsandinfo/2022/06/eastbound-i-80-ramps-at-herbert-hoover-highwayjohnson-county-road-f-44-exit-249-in-johnson-county-to.html
Lagrangeville, NY Dutchess Co. United States	Rte 55 / (unknown) (41.67198, -73.80201)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.7636	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Pleasant Valley, NY Dutchess Co. United States	Rte 55 / Stringham Rd. (41.67121, -73.79673)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.7639	Other (At-Grade) Single-Lane	2014	Entrance to high school. ICD estimated from Google Maps linework.
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/
Iowa City, IA Johnson Co. United States	Herbert Hoover Hwy. SE / I-80 EB Ramps (41.67099, -91.44629)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022	Previous intersection was exit ramp only. https://www.news.iowadot.gov/newsandinfo/2022/06/eastbound-i-80-ramps-at-herbert-hoover-highwayjohnson-county-road-f-44-exit-249-in-johnson-county-to.html
Iowa City, IA Johnson Co. United States	Kennedy Pkwy. / Meadowlark Dr. (41.66899, -91.59541)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.5492	Other (At-Grade) Single-Lane	2006	In new residential development. Functional Class: Local ICD estimated from Google Maps linework.
Sandwich, MA Barnstable Co. United States	Harlow Rd. / Cotuit Rd. / S Sandwich Rd. (41.66884, -70.47018)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.9806	Other (At-Grade) Single-Lane	2013	no crosswalks ICD estimated from Google Maps linework.
New Britain, CT Hartford Co. United States	Columbus Blvd. / Bank St. (41.66804, -72.77988)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 33.9026	Other (At-Grade) Single-Lane	2018	Previous control: Yield sign ICD estimated from Google Maps linework.
Bolingbrook, IL Will Co. United States	Rodeo Dr. / Kings Rd. (41.66750, -88.14597)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Single-Lane	2019	Right-turn-only lanes on east and west legs; designed for future expansion to two through lanes.
Viggianello, Corsica Southern Corsica France	T40 / T402 (41.66745, 8.92142)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Hyannis, MA Barnstable Co. United States	Iyannough Rd. / Barnstable Rd. / Falmouth Rd. (41.66512, -70.28732)	Rotary Existing	Unknown Unknown	0 Approaches 0 Driveways 87.4371	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	S Olive St. / W Sample St. (41.66432, -86.28265)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.5035	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	date: https://southbendin.gov/2017/07/26/buttigieg-to-open-new-roundabout-at-olive-sample-st/ ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	Fellows St. / Dean Johnson Blvd. (41.66300, -86.24449)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.4441	Other (At-Grade) Single-Lane		Lane drops on north and west legs without signs. Year Completed unknown (<1998). ICD estimated from Google Maps linework.
East Greenwich, RI Kent Co. United States	Division Rd. / New England Tech Blvd. / Old Quaker Ln. (41.66274, -71.50137)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.1984	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Tiverton, RI Newport Co. United States	Stafford Rd. / William S. Canning Blvd. / Hurst Ln. / (casino access) (41.66205, -71.15353)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.2593	Other (At-Grade) Unknown	2018	ICD estimated from Google Maps linework.
East Chicago, IN Lake Co. United States	E 129th St. / Dickey Rd. / Hembroff St. / Broad St. (41.66094, -87.46708)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 39.6240	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	https://www.nwitimes.com/news/local/lake/east-chicago/east-chicago-finishing-up-dickey-road-roundabout-moving-forward-with-3-5-million-streetscape-improvement/article_71ab472c-adff-52aa-b47c-b5c2b166826a.html
Elkhart, IN Elkhart Co. United States	W Hively Ave. / 17th St. (41.65968, -85.99446)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.9682	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Elkhart, IN Elkhart Co. United States	W Hively Ave. / Oakland Ave. (41.65965, -85.98478)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.0760	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Chesterton, IN Porter Co. United States	N CR 25E / (Indiana Dunes State Park entrance) / (parking) (41.65885, -87.06310)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2007
Altoona, IA Polk Co. United States	1st Ave. N / 9th St. NW / NE 54th Ave. (41.65860, -93.46447)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2022	https://littlevillagemag.com/altoona-1st-avenue-roundabout-woven-lines-sculpture/
Iowa City, IA Johnson Co. United States	Grand Ave. / S. Grand Ave. (41.65855, -91.54559)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 23.2000	Other (At-Grade) Single-Lane	2007	On University of Iowa school campus. Functional Class: Local ICD estimated from Google Maps linework.
Altoona, IA Polk Co. United States	Adventureland Dr. / 34th Ave. SW (41.65855, -93.50315)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2615	Other (At-Grade) Unknown	2018	ICD estimated from Google Maps linework.
Concord, OH Lake Co. United States	Auburn Rd. / Capital Pkwy. (41.65787, -81.24412)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2017	East leg added with roundabout construction. Year Completed estimated (2016-2017).
South Yarmouth, MA Barnstable Co. United States	River St / Pleasant St (41.65652, -70.19715)	Traffic Calming Circle Existing	Uncontrolled None	3 Approaches 2 Driveways 36.5857	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
East Chicago, IN Lake Co. United States	Aldis Ave. / Michigan Ave. / (parking) (41.65558, -87.43921)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2017	Right-turn bypass lane on northwest leg. Removed Inland Steel Overpass to build this roundabout. Opened to traffic 29 Nov 2017. https://xrock1039.com/our-communities/ribbon-cutting-next-week-for-new-east-chicago-roundabout/
Hyannis, MA Barnstable Co. United States	Bearses Way / Basset Lane (41.65436, -70.29148)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8786	Other (At-Grade) Single-Lane	2009	crosswalks on all approaches ICD estimated from Google Maps linework.
Toledo, OH Lucas Co. United States	Dorr St. / McCord Rd. (41.65399, -83.70287)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2020	Right-turn-only lanes on all legs.
Toledo, OH Lucas Co. United States	Dorr St. / (unknown) (41.65392, -83.69908)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, unspecified)	2020
Toledo, OH Lucas Co. United States	Dorr St. / I-475 SB Ramps (41.65389, -83.69585)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2021	https://www.youtube.com/watch?v=FYQr1t7Vliw
Toledo, OH Lucas Co. United States	King Rd. / Dorr St. (41.65384, -83.72302)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.4796	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Toledo, OH Lucas Co. United States	Dorr St. / I-475 NB Ramps (41.65382, -83.69411)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2021	https://www.youtube.com/watch?v=FYQr1t7Vliw.