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
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.
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.
(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)
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).
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.
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.
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
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).
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.
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.
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. / 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.
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.
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
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.
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.
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.
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/.
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.
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.
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
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
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.
Polk City, IA Polk Co. United States	Vista Lake Ct / N 3rd St / NW Sheldahl Dr (41.78316, -93.71045)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2022	https://www.polkcityia.gov/sites/g/files/vyhlif5571/f/pages/notice_to_bidders_3rd_and_vista_lake_intersection_improvements_2021-11-22.pdf
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)
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	(unknown) (41.79069, 44.81788)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown		Parking along circulatory roadway.
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
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.
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.
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.
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)
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
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.
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.
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.
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/
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.
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.
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
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	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.
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	Piazza Guido Piovene (41.81226, 12.46578)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
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.
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
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.
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
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)
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.
East Providence, RI Providence Co. United States	Henderson Expwy. / Massasoit Ave. (41.82850, -71.37217)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2024	https://turnto10.com/news/local/gallery/new-henderson-bridge-east-side-providence-massasoit-avenue-driver-confusion-bike-lane-pedestrian-path-rhode-island-department-of-transportation?photo=2
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.
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
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	Viale Molière / Via Ibsen (41.83993, 12.50609)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
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	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
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.
Batavia, IL Kane Co. United States	Main St. / Fabyan Pkwy. / Bliss Rd. (41.84691, -88.40147)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	Bliss Rd was realigned to meet the roundabout. http://kanecountyconnects.com/article/KaneCountyDivisionofTransportation-KaneCountyBoard-BlissRoad
North Providence, RI Providence Co. United States	Fruit Hill Ave. / Olney Ave. (41.84908, -71.46447)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.3588	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Rome, Latium Rome Italy	Piazza Silvio D'Amico (41.84972, 12.48168)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
North Providence, RI Providence Co. United States	US 44 / Centerdale Bypass (41.85703, -71.48295)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.2447	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Rome, Latium Rome Italy	Piazza Oderico da Pordenone (41.86009, 12.49425)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Rome, Latium Rome Italy	Largo delle Sette Chiese / Via Enrico Cravero / Via Giovannipoli (41.86107, 12.48596)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 28.0000	Other (At-Grade) Single-Lane
Rome, Latium Rome Italy	Piazza Nicola Longobardi (41.86383, 12.48912)	Other Existing	Unknown Unknown	5 Approaches 0 Driveways	Other (At-Grade) Unknown
Rome, Latium Rome Italy	Piazza Augusto Albini (41.86461, 12.48439)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 28.0000	Other (At-Grade) Single-Lane
Rome, Latium Rome Italy	Piazza Michele da Carbonara (41.86564, 12.49106)	Other Existing	Unknown Unknown	6 Approaches 0 Driveways	Other (At-Grade) Unknown
Ellington, CT Tolland Co. United States	Windsorville Rd. / Wappington Rd. / Skinner Rd. / Pinney St. (41.86738, -72.49265)	Roundabout Existing	All-Way Yield None	5 Approaches 1 Driveways 40.9127	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
West Chicago, IL DuPage Co. United States	Technology Blvd. / Discovery Dr. / Innovation Dr. (south) (41.87416, -88.25731)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 64.0080	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2006	Year Completed estimated (2005-2006).
Smithfield, RI Providence Co. United States	Summerfield Dr. / Intervale Rd. / Alpine Ridge (41.87583, -71.49518)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Monroe, MI Monroe Co. United States	Laplaisance Rd. / I-75 NB On-Ramp (41.87651, -83.39471)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2021	https://www.monroenews.com/story/news/traffic/2021/12/03/new-bridge-roundabouts-laplaisance-rd-open/8836648002/ Plan is to move NB offramp to the roundabout at some tuture time.
Scottsbluff, NE Scotts Bluff Co. United States	12th Ave. / Winter Creek Dr. (41.87724, -103.64779)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0037	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2014-2019).
Monroe, MI Monroe Co. United States	Laplaisance Rd. / I-75 SB Ramps (41.87817, -83.39577)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2021	https://www.monroenews.com/story/news/traffic/2021/12/03/new-bridge-roundabouts-laplaisance-rd-open/8836648002/
West Chicago, IL DuPage Co. United States	Technology Blvd. / Discovery Dr. / Innovation Dr. (north) (41.87817, -88.25418)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 64.0080	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2006	Year Completed estimated (2005-2006).
Matriz, Viana do Castelo Caminha Portugal	N13 (Avenida Doutor Dantas Carneiro) / Rua de São João / Largo Doutor Bento Coelho (41.87818, -8.83646)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Glen Ellyn, IL DuPage Co. United States	Crescent Blvd. / Crescent Ct. / Park Row (41.87975, -88.05899)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.9936	Other (At-Grade) Single-Lane	2015	Compact urban roundabout - T-intersection with fourth leg between top and stem of T. Providing a means for legal U-turns was an important factor in selection of a roundabout here.
Cedar Rapids, IA Linn Co. United States	6th St. SW / Commerce Park Dr. / (parking) (41.88168, -91.67595)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Single-Lane	2023	Year Completed estimated (2022-2023).
Rome, Latium Rome Italy	Piazzale Metronio / Via Gallia / Via Ipponio / Via Pannonia (41.88211, 12.49931)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Windsor, CT Hartford Co. United States	Prospect Hill Rd. / Lang Rd. (41.89153, -72.69762)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 25.7830	Other (At-Grade) Single-Lane	1998	Located at entrance to industrial park. Year Completed estimated (1992-2004). ICD estimated from Google Maps linework.
Lincoln, RI Providence Co. United States	Twin River Rd. / (unknown) (41.89224, -71.45074)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.1202	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	ICD estimated from Google Maps linework.
Windsor, CT Hartford Co. United States	Hayden Station Rd. / Lancaster Dr. / Center St. (41.89280, -72.63409)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.8935	Other (At-Grade) Single-Lane	1998	Functional Class: Collector. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
De Kalb, IL DeKalb Co. United States	E Gurler Rd. / N Peace Rd. (41.89286, -88.72396)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.facebook.com/1360WlbkRadio/posts/wlbk-local-newsdekalbs-new-roundabout-is-opening-soon-dekalb-city-manager-bill-n/3211580668940104/
Windsor, CT Hartford Co. United States	Hayden Station Rd. / Pond Rd. (41.89371, -72.64065)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 24.0041	Other (At-Grade) Single-Lane	1998	Functional Class: Collector. Year Completed estimated (1992-2003). ICD estimated from Google Maps linework.
Adrian, MI Lenawee Co. United States	Michigan Ave. / S Charles St. / Adrian College Blvd. (41.89566, -84.06310)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 25.7814	Other (At-Grade) Single-Lane	2018	Adrian College Blvd. is a new street giving access to Adrian College from US 223. ICD estimated from Google Maps linework.
Cedar Rapids, IA Linn Co. United States	Kirkwood Blvd. / Woodstone Ln. SW (41.89597, -91.65653)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2021-2022).
Cedar Rapids, IA Linn Co. United States	6th St. SW / Innovation Dr. / St Martin Blvd. SW (41.89632, -91.67617)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Single-Lane	2023	Add-lane right-turn bypass lane on west leg.
Adrian, MI Lenawee Co. United States	E Church St. / S Broad St. / Union St. (41.89704, -84.03490)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.1148	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Lincoln, RI Providence Co. United States	(college entrance roadway) / (parking) (41.89960, -71.45290)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		Community College of Rhode Island Flanagan Campus.
Cedar Rapids, IA Linn Co. United States	Kirkwood Blvd SW. / S School Access Rd. (41.89988, -91.65658)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6698	Other (At-Grade) Single-Lane	2017	http://www.cedar-rapids.org/local_government/departments_g_-_v/public_works/kirkwood_blvd_sw.php ICD estimated from Google Maps linework.
Cedar Rapids, IA Linn Co. United States	6th St. SW / (parking) (41.90137, -91.67614)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2021-2022).
Rome, Latium Rome Italy	Piazza della Repubblica (41.90270, 12.49615)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Lakeville, MA Plymouth Co. United States	Rte. 44 / Rte. 28 / Rte. 18 (41.90274, -70.95914)	Rotary Existing	Unknown Unknown	5 Approaches 0 Driveways 106.6697	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial ICD estimated from Google Maps linework.
Rome, Latium Rome Italy	Piazza di San Bernardo (41.90405, 12.49393)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Cauro, Corsica Southern Corsica France	Résidence Prunelli (41.90545, 8.83323)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Chicago, IL Cook Co. United States	W Evergreen Ave. / N Burling St. (41.90639, -87.64734)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands or control.
Cauro, Corsica Southern Corsica France	D55 / D555 (41.90812, 8.82443)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cauro, Corsica Southern Corsica France	T40 / D55 (41.91179, 8.82656)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Bastelicaccia, Corsica Southern Corsica France	T40 / D55b (41.91315, 8.82506)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Cedar Rapids, IA Linn Co. United States	Tower Rd. SW / Training Rd. (41.91459, -91.65437)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.7725	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Glocester, RI Providence Co. United States	Putnam Pike (US 44) / RI-102 (41.91536, -71.67162)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 25.7734	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.