Roundabouts Database Index

28782 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
Warren, PA Warren Co. United States	US 6 Business (Pennsylvania Ave. W) / US 62 (Market St.) / US 62-US 6 Business (Pennsylvania Ave. W) / Market St. / Water St. (41.84381, -79.14495)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	Water Street is one-way exit. https://radio.wpsu.org/2023-09-27/penndot-roundabouts-warren-construction.
Rome, Latium Rome Italy	Via Giuseppe Berto / Via Liala / Via Giana Anguissola (41.84136, 12.49466)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Rome, Latium Rome Italy	Viale Molière / Via Brecht (41.84033, 12.50527)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Rome, Latium Rome Italy	Viale Molière / Via Ibsen (41.83993, 12.50609)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Rome, Latium Rome Italy	Via della Fotografia / Via Madrid (41.83688, 12.51414)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Rome, Latium Rome Italy	Via Learco Guerra / Via Fausto Coppi (41.83303, 12.51212)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Goshen, CT Litchfield Co. United States	Rte. 4 / Rte. 63 (41.83185, -73.22539)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-Lane	2002	Painted splitter islands.
Brookfield, IL Cook Co. United States	Grand Blvd. / Washington St. (41.82755, -87.85150)	Other Existing	Unknown Unknown	8 Approaches 0 Driveways 41.8281	Other (At-Grade) Single-Lane		I am a chauffuer in the Chicago area and I use this roundabout frequently when traveling from the West Suburbs to Midway Airport. Only real traffic is on Grand Blvd at this intersection but it is in a downtown shopping district in Brookfield (13 mi WSW of Functional Class: Local ICD estimated from Google Maps linework.
Rome, Latium Rome Italy	Via di Tor Carbone / Via Viggiano (41.82719, 12.52202)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Rome, Latium Rome Italy	Va dei Corazzieri / Viale Luca Gaurico (41.82433, 12.48546)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Oakland, NE Burt Co. United States	US 77 / SR 32 (41.82428, -96.46580)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.9503	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Sterling, IL Whiteside Co. United States	SR 40 (Locust St. - Pennington Rd.) / Science Ridge Rd. (41.82322, -89.69841)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.wqad.com/article/news/local/new-sterling-roundabout-meaning-for-one-father/526-0f2974e6-ad8f-4038-9020-28fcbeca2140
South Windsor, CT Hartford Co. United States	Hemlock Ave. / Evergreen Way (41.81417, -72.55495)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.3975	Other (At-Grade) Single-Lane	2004	Roundabout is part of The Shops at Evergreen Walk retail center. ICD estimated from Google Maps linework.
Rome, Latium Rome Italy	Piazza Guido Piovene (41.81226, 12.46578)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Rome, Latium Rome Italy	Via Guido da Verona / Via Carlo Emilio Gadda (north) (41.81144, 12.47115)	Other Existing	Other Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Circulating traffic yields to entering traffic on southeast leg.
Rome, Latium Rome Italy	Via Guido da Verona / Via Carlo Emilio Gadda (south) (41.81099, 12.47129)	Other Existing	Other Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Circulating traffic yields to entering traffic on northwest leg.
Sturgis, MI St. Joseph Co. United States	E Lafayette Rd. / N Franks Ave. (41.81055, -85.39875)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.sturgisjournal.com/story/news/local/2023/07/14/sturgis-roundabout-open/70413258007/
Rome, Latium Rome Italy	Piazza Eugenio Montale (41.80986, 12.47029)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Storrs, CT Tolland Co. United States	Hillside Rd. / Alumni Dr. (41.80824, -72.25809)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	On campus of University of Connecticut.
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.
Sterling, IL Whiteside Co. United States	W Le Fevre Rd. / Lynn Blvd. (41.80133, -89.72783)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.radiorockriver.com/2020/10/26/the-sterling-roundabout-is-now-open-for-business/
Eastham, MA Barnstable Co. United States	Eastham Rotary (US 6 / Rte 6A / Smith Ln.) (41.79887, -69.98398)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 151.3610	Other (At-Grade) Single-Lane		Commonly known as "the Eastham rotary" ICD estimated from Google Maps linework.
Ottawa Lake, MI Monroe Co. United States	St Anthony Rd. / US 23 NB Ramps (41.79823, -83.68614)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.1762	Freeway Ramps (Grade-Separated) Single-Lane	2013	ICD estimated from Google Maps linework.
Ottawa Lake, MI Monroe Co. United States	St Anthony Rd. / US 23 SB Ramps (41.79802, -83.69021)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 35.6148	Freeway Ramps (Grade-Separated) Single-Lane	2013	Right-turn bypass lane on west leg. ICD estimated from Google Maps linework.
Camanche, IA Clinton Co. United States	US 67 / 7th Ave. (41.79727, -90.25775)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.youtube.com/watch?v=r8ajPBUZU6E
Heping District, Liaoning Shenyang China	Zhongshan Plaza (41.79695, 123.41058)	Other Existing	Unknown Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Liberty, NY Sullivan Co. United States	Rte 52 / Rte 55 (41.79688, -74.74020)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.2731	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Liberty, NY Sullivan Co. United States	Rte 17 SB Ramps / Rte 52 (41.79303, -74.73518)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.9463	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Orleans, MA Barnstable Co. United States	Rte 6A (Cranberry Hwy) / Canal Rd / S Orleans Rd. (41.79212, -69.98671)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.3849	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
Petreto-Bicchisano, Corsica Southern Corsica France	T40 / D757 (41.79205, 8.98020)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Tbilisi, Tbilisi Georgia	(unknown) (41.79069, 44.81788)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown		Parking along circulatory roadway.
Aurora, IL Kane Co. United States	Sullivan Rd. / N Highland Ave. (41.78864, -88.32894)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 28.4960	Other (At-Grade) Single-Lane	2016	date: https://www.linkedin.com/pulse/new-roundabout-opens-aurora-il-kevin-kassay ICD estimated from Google Maps linework.
Tbilisi, Tbilisi Georgia	mirian mepis kucha / parnavaz mepis gamziri (41.78743, 44.76470)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Bourne, MA Barnstable Co. United States	US 6 (Rte 3) / Scenic Hwy (41.78067, -70.54342)	Rotary Removed	All-Way Yield Unknown	4 Approaches 4 Driveways 26.7184	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Rotary replaced with an interchange. ICD estimated from Google Maps linework.
Cranston, RI Providence Co. United States	Gray Coach Ln. / Gray Coach E / Gray Coach W (41.77953, -71.52029)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
North Logan, UT Cache Co. United States	E 2200 N / N 200 E (41.77221, -111.82846)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2018
Freetown, MA Bristol Co. United States	Country Rd. / Chace Rd. / Mason Rd (41.77072, -70.95551)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.7393	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Edwardsburg, MI Cass Co. United States	US 12 / M-205 / Five Points Rd. (41.76845, -85.95048)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 54.3377	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Milton Township, MI Cass Co. United States	Redfield Rd. / Gumwood Rd. (41.76808, -86.18377)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	Opened October 5, 2023. https://www.leaderpub.com/2023/10/05/after-13-years-of-discussion-roundabout-officially-opens-in-milton-township/.
Coventry, CT Tolland Co. United States	Daly Rd. / South St. (41.76721, -72.33688)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.9424	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Logan, UT Cache Co. United States	E 1800 N / N 200 E (41.76492, -111.82867)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5240	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Hartford, CT Hartford Co. United States	Pulaski Circle (41.76294, -72.67616)	Rotary Existing	Other Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)		Yield on circulatory roadway.
Hartford, CT Hartford Co. United States	Park Terrace / Sigourney St. / Russ St. (41.76207, -72.69289)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.tiktok.com/foryou?is_from_webapp=v1&item_id=7016286837643791622&lang=en#/@everydayengineering/video/7016286837643791622
Sugar Grove, IL Kane Co. United States	Dugan Rd. / Granart Rd. / Bucktail Ln. (41.76143, -88.48939)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.5260	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	date: https://www.kcchronicle.com/2015/08/18/sugar-grove-roundabout-opens/a5jsq7l/ Granart Rd. moved about 300 ft south to align with Bucktail Ln. ICD estimated from Google Maps linework.
North Liberty, IA Johnson Co. United States	N Front St. / N Bend Dr. (41.75695, -91.59798)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2199	Other (At-Grade) Single-Lane	2019	Completed September 2019. The adjacent dead-end road to the west has been extended up to connect with Front Street at a 90-degree angle across from the existing commercial entrance drive on the east side of Front Street. In the NW quadrant of the roundabout, the farm field site has been redeveloped as a new elementary school. ICD estimated from Google Maps linework.
Granger, IN St. Joseph Co. United States	Gumwood Rd. / Adams Rd. (41.75302, -86.17867)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.1849	Other (At-Grade) Single-Lane	2015	http://knollwoodhoa.com/category/adams-road-development/. ICD estimated from Google Maps linework.
North Liberty, IA Johnson Co. United States	N Front St. / Penn St. (41.75206, -91.59801)	Roundabout Existing	All-Way Yield None	4 Approaches 2 Driveways 32.0763	Other (At-Grade) Single-Lane	2019	Completed Fall 2019. ICD estimated from Google Maps linework.
Buzzards Bay, MA Barnstable Co. United States	Bourne Rotary Circle (41.75203, -70.59695)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 140.7795	Freeway Ramps (Grade-Separated) Unknown		ICD estimated from Google Maps linework.
Bridlewood, IN St. Joseph Co. United States	Bridlewood Cir. / Broken Wood Dr. (41.75165, -86.13323)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2001	Flush concrete splitter islands. No truck apron. Year Completed estimated (1999-2003).
Orleans, MA Barnstable Co. United States	Rte 28 (S Orleans Rd.) / Rte 39 (Harwich Rd.) / Quanset Rd. (41.75145, -69.99094)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2023	https://capecodchronicle.com/articles/439/view
Bourne, MA Barnstable Co. United States	US 6 / Rte. 28 (Main St.) (41.74607, -70.61805)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 92.6736	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	Auten Rd. / Ironwood Rd. (41.74540, -86.21714)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2085	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Granger, IN St. Joseph Co. United States	Caledonian Dr. / Meridian Crossing / Hedge Row Ct. (41.74364, -86.14710)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1998-2003).
(unincorporated), MA Barnstable Co. United States	Rte 6A / Rte 28 (gateway to Cape Cod) (41.74313, -70.58651)	Rotary Existing	All-Way Yield None	0 Approaches 0 Driveways 118.8720	Other (At-Grade) Multilane (2 Lane, unspecified)
Ankeny, IA Polk Co. United States	NW 13th St. / Boulder Dr. (41.74220, -93.64587)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8432	Other (At-Grade) Single-Lane	2005	In new residential development. Functional Class: Local ICD estimated from Google Maps linework.
Logan, UT Cache Co. United States	E 500 N / N 200 E (41.74087, -111.82956)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.9526	Other (At-Grade) Single-Lane	2014	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.
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.
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.
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.
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
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
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.
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.
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.
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
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
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.
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.
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.
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.
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.
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.
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.
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.
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).
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.
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.
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.
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.
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.
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.
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.
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.
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).
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.
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).
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.
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).
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).
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
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).
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.
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).
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).
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.
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, 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
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.
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.