Roundabouts Database Index

29616 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
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
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
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.
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.
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.
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
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).
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.
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.
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.
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)
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/
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.
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.
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.
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, 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.
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.
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).
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.
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 / 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.
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.
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.
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.
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
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.
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.
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).
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
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.
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.
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.
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.
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.
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.
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.
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/
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.
Warwick, RI Kent Co. United States	Post Rd. / Centerville Rd. / Greenwich Ave. (41.69875, -71.46003)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.3195	Unknown Single-Lane	2017	NOT YET CONSTRUCTED - Coming in spring 2017. Construction work has started at this location, currently in winter (2016-2017) shutdown. Note new configuration as Centerville Road on the west side has been cuttoff - can no longer access Toll Gate Road from here. Mapping not yet updated. ICD estimated from Google Maps linework.
Warwick, RI Kent Co. United States	Post Rd. / W. Shore Rd. (41.69980, -71.45348)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.6694	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	New tear-drop roundabout. Only one approach (eb) has to yield. the WB approach is a free merge. Post Road (on west side of roundabout) is EB only. Fully operational - opened in fall 2016. Post Rod (SB) was previously 4 lanes NB only, now 2 lanes in each direction. ICD estimated from Google Maps linework.
Coralville, IA Johnson Co. United States	Heartland Dr. / Russell Dr. (41.70007, -91.61160)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.9113	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Ankeny, IA Polk Co. United States	SW White Birch Dr. / Braeburn St. (41.70018, -93.62535)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.2872	Other (At-Grade) Single-Lane	2005	In new residential development. Functional Class: Local ICD estimated from Google Maps linework.
Poughkeepsie, NY Dutchess Co. United States	Reservoir Square (41.70031, -73.92113)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		Pedestrian access to central island. Parking along circulatory roadway.
Warwick, RI Kent Co. United States	Greenwich Ave. / Centerville Rd. / Veterans Memorial Dr. (41.70038, -71.46021)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 108.7906	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	Roundabout fully operational in Fall 2016. Minor landscaping work and minor curb work required to fully complete construction. New roadway - Veteran's Memorial Drive Extension not shown on mapping. This new road connects to the new roundabout at Toll Gate Road to the west. ICD estimated from Google Maps linework.
East Harwich, MA Barnstable Co. United States	Queen Anne Rd. / Orleans-Harwich Rd. (Rte 39) (41.70049, -70.03164)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.8855	Other (At-Grade) Single-Lane	2006	no crosswalks, no sidewalks ICD estimated from Google Maps linework.
Grimes, IA Polk Co. United States	NE Beaverbrooke Blvd. / NE Heritage Dr. (41.70101, -93.78190)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.0699	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Richfield Township, OH Lucas Co. United States	Brint Rd. / Kilburn Rd. (41.70182, -83.78616)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.13abc.com/2022/08/06/lucas-county-engineers-office-installs-two-new-roundabouts/
Grimes, IA Polk Co. United States	NE Beaverbrooke Blvd. / NE Park Dr. / NE Park St. (41.70201, -93.78755)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.0184	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Sylvania, OH Lucas Co. United States	Brint Rd. / Mitchaw Rd. (41.70204, -83.76222)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.9930	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Sylvania, OH Lucas Co. United States	Brint Rd. / Centennial Rd. (41.70259, -83.74328)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.lucascountyengineer.org/brint--centennial-roundabout.html
Warwick, RI Kent Co. United States	Veteran's Memorial Dr. / Post Rd. / Post Rd. Extension (41.70266, -71.45475)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 59.7435	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	New roundabout fully operational and opened in fall 2016. Note that traffic was previously NB only on Post Rd south of the roundbaout, and WB only on VMD, but traffic is now bi-directional in all directions. ICD estimated from Google Maps linework.
Sylvania Township, OH Lucas Co. United States	Brint Rd. / N King Rd. (41.70285, -83.72376)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5594	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Tiffin, IA Johnson Co. United States	E Marengo Rd. (US 6) / Park Rd. (41.70604, -91.64711)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Single-Lane	2019	Designed for expansion to two-lane roundabout. Year Completed estimated (2019-2020).
Providence, UT Cache Co. United States	W 100 S / 485 W (41.70634, -111.83031)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2017-2018).
Coralville, IA Johnson Co. United States	Oakdale Blvd. / Jones Blvd. (41.70758, -91.61387)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.4483	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	Portage Ave. / Lathrop St. / Highland Cemetery (41.70878, -86.27810)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Year Completed estimated (2007-2008).
South Bend, IN St. Joseph Co. United States	Douglas Rd. / Twyckenham Dr. (41.70880, -86.22773)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2006
Toledo, OH Lucas Co. United States	Ottawa River Rd / 108th St (41.70892, -83.49333)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 21.3360	Other (At-Grade) Single-Lane	2023	Signs in central island. https://www.wtol.com/article/news/local/road-closed-ottawa-river-road-in-point-place-closes-for-roundabout-construction-detour-traffic/512-a28041a7-4232-4dfb-99aa-e106e6681237.
Notre Dame, IN St. Joseph Co. United States	Douglas Rd. / Moreau Dr. (41.70933, -86.23394)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2013	Year Completed estimated (2011-2015).
Providence, UT Cache Co. United States	W 100 N / N Gateway Dr. (41.71010, -111.82917)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Year Completed estimated (2011-2014).
Ankeny, IA Polk Co. United States	SW Campustown Ct (41.71034, -93.61365)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 136.4130	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Bolingbrook, IL Will Co. United States	Janes Ave. / (apartment complex entrance) (41.71085, -88.03938)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	East leg stubbed. Year Completed estimated (2006-2007).
Highlands, MA Bristol Co. United States	President Ave (US 6) / N Eastern Ave (US 6) / Rte 24 Ramps (41.71141, -71.12394)	Rotary Existing	All-Way Yield None	3 Approaches 0 Driveways 134.6275	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	Douglas Rd. / Juniper Rd. (41.71270, -86.23662)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2013	Year Completed estimated (2011-2015).
Glastonbury, CT Hartford Co. United States	Hebron Ave. / New London Turnpike (41.71295, -72.60499)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 15.1564	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Poughkeepsie, NY Dutchess Co. United States	Smith St. / Salt Point Turnpike / Creek Rd. (41.71336, -73.90808)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2017	Previously this was a triangular set of three intersections each controlled by one or two stop signs.
Glastonbury, CT Hartford Co. United States	Hebron Ave. / House St. (41.71357, -72.60121)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 27.6378	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
West Warwick, RI Kent Co. United States	Providence St. / E Main St. / Central St. (41.71372, -71.51705)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.9870	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Coralville, IA Johnson Co. United States	University Ct / University Pkwy (41.71383, -91.60093)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.5531	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Saegertown, PA Crawford Co. United States	US 6-US 19 / PA 198 (41.71434, -80.14582)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 42.7936	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Council Oak, IN St. Joseph Co. United States	Portage Ave. / Boland Dr. / Ribourde Dr. (41.71519, -86.28152)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7930	Other (At-Grade) Single-Lane	2008	Replaced two offset-T intersections. ICD estimated from Google Maps linework.
Coralville, IA Johnson Co. United States	Ridgeway Dr / University Ct (41.71577, -91.59998)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.5520	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Sylvania Township, OH Lucas Co. United States	Sylvania-Metamora Rd. / Mitchaw Rd. (41.71631, -83.76299)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7922	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Painesville, OH Lake Co. United States	Shamrock Blvd. / Brookstone Blvd. (41.71671, -81.28181)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2014-2015).
Ankeny, IA Polk Co. United States	SW Irvinedale Dr / NW Polk City Dr / SE Vintage Pkwy (41.71706, -93.63888)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 49.9237	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Ankeny, IA Polk Co. United States	SW Cherry St / SW 11th (41.71942, -93.60882)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 64.1853	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Willimantic, CT Windham Co. United States	Eastern Rd. / (driveway) (ECSU Campus by clock tower) (41.72001, -72.21691)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 24.0693	Other (At-Grade) Single-Lane	1999	Not properly signed and painted, but lots of potential for demonstrating this intersection concept. ICD estimated from Google Maps linework.
Farmington, CT Capitol United States	Two MIle Rd. / South Rd. / Colt Hwy. (41.72232, -72.78876)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2023	Right-turn-only lane on north leg aligned with circulatory roadway.
Somerset, MA Bristol Co. United States	Brayton Ave / Riverside Ave / Wilbur Ave (41.72272, -71.16043)	Rotary Existing	Other None	4 Approaches 1 Driveways 33.8738	Other (At-Grade) Single-Lane		Brayton approach is stop-controlled ICD estimated from Google Maps linework.
Coralville, IA Johnson Co. United States	12th Ave. / Forevergreen Rd. (41.72284, -91.59520)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.9823	Other (At-Grade) Single-Lane	2005	http://www.coralville.org/mod/press/documents/12th%20Ave%2011-18-05.pdf. Opened November 16, 2005. ICD estimated from Google Maps linework.
Granger, IN Elkhart Co. United States	Cleveland Rd. / Ash Rd. (41.72437, -86.06203)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.9180	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
Saegertown, PA Crawford Co. United States	US 6-US 19 / PA 198 / Sackett Alley (41.72449, -80.14868)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 44.5696	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Mishawaka, IN St. Joseph Co. United States	Bittersweet Rd. / Cleveland Rd. (41.72457, -86.11058)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.0040	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Coralville, IA Johnson Co. United States	N Liberty Rd. NE / Forevergreen Rd. (41.72584, -91.57089)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.johnsoncountyiowa.gov/news/secondary-roads/2022-04-21/construction-north-liberty-and-forevergreen-roads-roundabout-begins
Coralville, IA Johnson Co. United States	(unknown) / (unknown) (41.72647, -91.56882)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2023
Farmington, CT Capitol United States	Main Rd. (UConn Health Blvd.) / Dowling Way / Discovery Dr. (41.73355, -72.79357)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2014).
Farmington, CT Capitol United States	Dowling Way / (parking) (41.73355, -72.79165)	Other Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island		Pedestrian crossing within circulatory roadway.
North Liberty, IA Johnson Co. United States	North Liberty Rd. NE / Dubuque St. NE (41.73359, -91.57568)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7807	Other (At-Grade) Single-Lane	2016	https://northlibertyiowa.org/2016/09/26/trail-closure-on-dubuque-street-trail-roundabout-nearing-completion/# ICD estimated from Google Maps linework.
Elkhart, IN Elkhart Co. United States	Northpointe Blvd. / Northview Dr. (41.73475, -85.97726)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 58.8225	Other (At-Grade) Single-Lane	2013	Painted splitter islands on north and west legs. Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
Ankeny, IA Polk Co. United States	NW 5th St. / Abbie Dr. (41.73569, -93.66248)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.0634	Other (At-Grade) Single-Lane	2008	In new residential development. Functional Class: Local ICD estimated from Google Maps linework.
Bristol, IN Elkhart Co. United States	Walorski Pkwy. / (parking) (41.73614, -85.87479)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2022	North leg stubbed. Surface drainage to ditches. https://rv-pro.com/news/elkhart-road-to-be-named-after-late-congresswoman-walorski/
North Liberty, IA Johnson Co. United States	St. Andrews Dr. / Alexander Way (41.73776, -91.62789)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6717	Other (At-Grade) Single-Lane	2020
North Liberty, IA Johnson Co. United States	Kansas Ave. / St. Andrews Dr. (41.73785, -91.63707)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Single-Lane	2019
Bristol, IN Elkhart Co. United States	Toll Rd. / Walorski Pkwy. (CR 4) / I-90 Ramps (41.73807, -85.88465)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023
Granger, IN St. Joseph Co. United States	Gumwood Rd. / Brick Rd. (41.73849, -86.17838)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.3007	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
Granger, IN St. Joseph Co. United States	Brick Rd. / Fir Rd. (41.73874, -86.15903)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.1918	Other (At-Grade) Single-Lane	2017	https://prairievista.phmschools.org/intersection-brick-road-and-fir-road-closure. ICD estimated from Google Maps linework.
Crescent City, CA Del Norte Co. United States	Humboldt Rd. / Sand Mine Rd. (41.74014, -124.15656)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 32.9735	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Logan, UT Cache Co. United States	E 500 N / N 600 E (41.74069, -111.81931)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 36.5378	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.