Roundabouts Database Index

29680 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
Newnan, GA Coweta Co. United States	Bryce Creek Dr. / Hollow Way Point / Canyon View Dr. (33.38833, -84.74722)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.8636	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Newnan, GA Coweta Co. United States	Stonebridge Blvd. / Stonebridge Crossing (33.38194, -84.74277)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 43.8808	Other (At-Grade) Single-Lane	2004	Painted splitter islands. Functional Class: Local ICD estimated from Google Maps linework.
Newnan, GA Coweta Co. United States	Stonebridge Blvd. / Stonebridge Way (33.38611, -84.74194)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.8676	Other (At-Grade) Single-Lane	2004	Painted splitter islands. Functional Class: Local ICD estimated from Google Maps linework.
Newnan, GA Coweta Co. United States	Summerlin Blvd. / Harrison Dr. / Macalester Dr. (33.37722, -84.74667)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 59.8406	Other (At-Grade) Single-Lane	2005	Functional Class: Local ICD estimated from Google Maps linework.
Newnan, GA Coweta Co. United States	Torero Trl. / Matador Way (33.38445, -84.77417)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.9260	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Newnan, GA Coweta Co. United States	US 29 / Green Top Rd. (33.42121, -84.77090)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.8600	Other (At-Grade) Single-lane w/ Traversable Central Island	2018	https://www.chacompanies.com/news/chas-mini-roundabout-project-wins-apwa-georgia-transportation-project-of-the-year/
Newnan, GA Coweta Co. United States	US 29 / Hal Jones Rd. (33.42003, -84.77277)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-lane w/ Traversable Central Island	2018	https://www.chacompanies.com/news/chas-mini-roundabout-project-wins-apwa-georgia-transportation-project-of-the-year/
Newnan, GA Coweta Co. United States	Pacific Ave. / Parks Pl. (33.35798, -84.69745)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Single-Lane	2019	Painted splitter islands on three approaches added 2019-2020. Original circle completed 2004-2005.
Sharpsburg, GA Coweta Co. United States	Fischer Crossing Blvd. / (unknown) (33.39771, -84.61863)	Other Existing	Uncontrolled None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Lane changes required to exit three legs. Painted splitter islands on west, north, and east legs.
Newnan, GA Coweta Co. United States	Calumet Pkwy. / Riva Ridge Ln. / Werz Industrial Dr. (33.40450, -84.76459)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.9406	Other (At-Grade) Single-Lane	2003	Painted splitter islands on three legs. Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Turin, GA Coweta Co. United States	GA 16 / GA 54 (33.32981, -84.64482)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island	2016	Overhead flashing lights retained from previous all-way stop configuration; plans to upgrade to full roundabout. https://times-herald.com/news/2020/08/right-of-way-work-underway-for-16-54-roundabout
Coventry, England Coventry United Kingdom	A45 (Dunchurch Hwy.) / Broad Ln. (52.40705, -1.55911)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Foleshill, England Coventry United Kingdom	Blue Ribbon Island [A444 (Jimmy Hill Way) / B4113 (Foleshill Rd.)] (52.43580, -1.49414)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Allesley, England Coventry United Kingdom	A4114 (Pickford Way - Holyhead Rd.) / B4076 (Coundon Wedge Dr.) / Allesley Old Rd. / Birmingham Rd. (52.42075, -1.55555)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Canley, England Coventry United Kingdom	A45 (Fletchamstead Hwy.) / Sir Henry Parkes Rd. (52.39284, -1.55149)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Woodlands, England Coventry United Kingdom	Charter Ave. / Sir Henry Parkes Rd. (52.39045, -1.55500)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Cosenza, Calabria Cosenza Italy	Piazza Europa (39.30677, 16.24771)	Other Unknown	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Pedestrian access to central island; parking along circulatory roadway.
Cosenza, Calabria Cosenza Italy	Via Guglielmo Marconi / Via Giuseppe Tommasi / Via Madre Venerabile Elena Aiello (39.31289, 16.24451)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cosenza, Calabria Cosenza Italy	(SP90 connector) / (Viale Giovanni Formoso connector) / Via Guglielmo Marconi Ramps / Via Veterani dello Sport (39.31911, 16.24349)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Cosenza, Calabria Cosenza Italy	Via Panebianco / SP90 (39.31954, 16.24526)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Rende, Calabria Cosenza Italy	Via Tevere (39.32906, 16.24944)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Rende, Calabria Cosenza Italy	Via Francesco e Carolina Principe / Via Giosue Carducci (39.33136, 16.24920)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Rende, Calabria Cosenza Italy	Via Francesco e Carolina Principe / Via Corrado Alvaro (39.33687, 16.24802)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Rende, Calabria Cosenza Italy	Via Francesco e Carolina Principe / Via Vittorio Alfieri / Via Fratelli E.L. Salerno (39.33909, 16.24758)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Rende, Calabria Cosenza Italy	Via Francesco e Carolina Principe (39.34637, 16.24618)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Rende, Calabria Cosenza Italy	SP90 / Via Giuseppe Verdi / Via Francesco e Carolina Princpe (39.34635, 16.24404)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Rende, Calabria Cosenza Italy	Via Don Minzoni / Via Carlo Bilotta / Corso Antonio Gramsci (39.33694, 16.24177)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Rende, Calabria Cosenza Italy	Via Londra / Via Mosca (39.34271, 16.23899)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Rende, Calabria Cosenza Italy	Via Guglielmo Marconi / A2 Ramps (39.35302, 16.23535)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane		Parking along circulatory roadway.
Montalto Uffugo, Calabria Cosenza Italy	SP247 (Via Sila) / Via Coretta (39.40860, 16.25275)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Rose, Calabria Cosenza Italy	SP234 / SP247 (39.40709, 16.26141)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Montalto Uffugo, Calabria Cosenza Italy	SP241 (Corso Italia) / Via Busento (39.42609, 16.23949)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Montalto Uffugo, Calabria Cosenza Italy	SP248 (Corso Italia) / SP102 (Via Alessandro Manzoni) (39.43119, 16.23146)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Spezzano Albanese, Calabria Cosenza Italy	Viale Gennaro Cassiani / Viale della Libertà / Via Ferdinando Cassiani (39.66867, 16.30540)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Spezzano Albanese, Calabria Cosenza Italy	SS283 / SP241 (Viale Partenope) (39.69985, 16.29887)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Truro, England Cornwall United Kingdom	A39/A390 (Morlaix Ave.) / A39 (Arch Hill) / Falmouth Rd. (50.25479, -5.05632)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2+ lanes) w/ Traversable Central Island		Double mini-roundabout.
Saint Austell, England Cornwall United Kingdom	A390 (Southbourne Rd. - Cromwell Rd.) / Woodland Rd. / (shopping centre entrance) (50.33521, -4.77599)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Saint Austell, England Cornwall United Kingdom	Mount Charles Roundabout [A390 (Polmear Rd. - Holmbush Rd.) / Mount Charles Rd. / Charlestown Rd.] (50.33846, -4.77032)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Falmouth, England Cornwall United Kingdom	Kergilliack Rd. / Trescobeas Rd. / Union Rd. / Bickland Hill (50.15871, -5.09980)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Falmouth, England Cornwall United Kingdom	Hillhead Roundabout [A39 / Union Rd.] (50.16250, -5.09969)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Ponsharden, England Cornwall United Kingdom	A39 / A39 (Falmouth Rd.) / B3292 (Falmouth Rd.) (50.16466, -5.09063)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Falmouth, England Cornwall United Kingdom	A39 (Falmouth Rd. - Dracaena Ave.) / North Parade / (parking) (50.16299, -5.08791)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Four Cross, England Cornwall United Kingdom	Treluswell Roundabout [A39 / A393 / B3292] (50.18435, -5.12439)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Falmouth, England Cornwall United Kingdom	A39 (Western Terrace - Melvill Rd.) / Pennance Rd. / Woodlane (50.14831, -5.07363)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Truro, England Cornwall United Kingdom	A39/A390 (Morlaix Ave.) / A390 (Green Ln.) / Falmouth Rd. (50.25494, -5.05649)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2+ lanes) w/ Traversable Central Island		Double mini-roundabout.
Penzance, England Cornwall United Kingdom	Mount Misery Roundabout [A30 / A3071 / Alverton Rd.] (50.11404, -5.55716)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Penzance, England Cornwall United Kingdom	Western Promenade Rd. / Alexandra Rd. (50.11269, -5.54072)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Penzance, England Cornwall United Kingdom	Branwell Lane Roundabout [A30 / Eastern Green / Branwell Ln.] (50.12672, -5.52453)	Roundabout Existing	All-Way Yield Pedestrian Signal (red-yellow-green to drivers)	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Longrock, England Cornwall United Kingdom	A30 (Land's End) / A394 / Newtown Ln. (50.13437, -5.49080)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Penzance, England Cornwall United Kingdom	A30 (Eastern Green) / (parking) (50.12791, -5.51638)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Penzance, England Cornwall United Kingdom	Chy-An-Mor Roundabout [A30 (Eastern Green) / Jelbert Way / (Long Rock Rd. connector)] (50.12938, -5.51275)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Helston, England Cornwall United Kingdom	A394 / Monument Rd. (50.09909, -5.27793)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island		Part of a double roundabout.
Helston, England Cornwall United Kingdom	A394 (Penzance Rd.) / B3304 (Porthleven Rd.) (50.09917, -5.27830)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island		Part of a double roundabout.
Saltash, England Cornwall United Kingdom	Carkeel Roundabout [A38 / A388 / B3271 (Callington Rd.)] (50.41899, -4.23431)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Latchbrook, England Cornwall United Kingdom	B3271 (Liskeard Rd.) / Burraton Rd. / Yellowtor Rd. (50.41375, -4.24222)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Saltash, England Cornwall United Kingdom	B3271 (Liskeard Rd.) / Moorlands Ln. (50.41334, -4.23549)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island		Part of a double roundabout.
Saltash, England Cornwall United Kingdom	B3271 (Liskeard Rd.) / Fairmead Rd. (50.41331, -4.23530)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island		Part of a double roundabout.
Saltash, England Cornwall United Kingdom	B3271 (Callington Rd.) / Burraton Rd. / Pillmere Dr. (50.41636, -4.23445)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Penzance, England Cornwall United Kingdom	A30 / Treweath Rd. (50.12950, -5.54228)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Penzance, England Cornwall United Kingdom	A30 / B3312 (Madron Rd.) / Nancealverne / Roscadghill Rd. (50.12550, -5.54945)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Corlăteni, Rîșcani District Corlăteni Moldova	E583-M14 / R6 / Strada Decebal (47.78729, 27.88530)	Unknown Existing	Unknown None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Cordoba, Cordoba Córdoba Argentina	Puente Gauss / Calle Miguel Lillo / Calle Costanera Suquia Norte / Avenida Ramón J. Cárcano Ramps (-31.37058, -64.25143)	Rotary Existing	All-Way Yield None	6 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Cordoba, Cordoba Córdoba Argentina	Avenida Curazao [Calle Curazao / Avenida Renault / Calle Furlong / Calle 6 de Septiembre / Calle José Benito Cottolengo] (-31.47261, -64.23872)	Other Existing	Uncontrolled None	6 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Wallaroo, SA Copper Coast Australia	Jetty Rd. / Owen Terrace / Wildman St. (-33.92984, 137.62547)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Wallaroo, SA Copper Coast Australia	Jetty Rd. / Heritage Dr. (-33.92881, 137.62380)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Wallaroo, SA Copper Coast Australia	B85 (Copper Coast Hwy.) / Sharples Rd. / Bowman Rd. (-33.94060, 137.65221)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Crystal Springs, MS Copiah Co. United States	MS 27 / Lee Ave. (31.99541, -90.32108)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.6707	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
København S, Capital Copenhagen Denmark	Prags Blvd. / Vermlandsgade / Laplandsgade (55.66725, 12.61169)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 40.4160	Other (At-Grade) Single-Lane		Bike lane marked on circulatory roadway. ICD estimated from Google Maps linework.
Lancaster, NH Coos Co. United States	US 2 (Main St.) / US 3 (44.49690, -71.57632)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.9279	Other (At-Grade) Single-Lane	2016	https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/nh_roundabouts_list_details_web_version.pdf ICD estimated from Google Maps linework.
Batchelor, NT Coomalie Australia	B30 (Batchelor Rd. - Rum Jungle Rd.) / Miles Rd. (-13.05050, 131.02447)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
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.
South Holland, IL Cook Co. United States	Cottage Grove Ave. / E 166th St. (41.59355, -87.59766)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.3301	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2008). ICD estimated from Google Maps linework.
Schaumburg, IL Cook Co. United States	N Plum Grove Rd. / Remington Rd. (42.05300, -88.05996)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.1519	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Orland Park, IL Cook Co. United States	S Ravinia Ave. / W 147th St. (41.62323, -87.85606)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.9262	Other (At-Grade) Single-Lane	2018	https://www.facebook.com/VillageofOrlandPark/posts/-ravinia-ave-roundabout-debuts-sat-oct-13th-at-7am-the-roundabout-opening-is-ahe/1956887887713212/ ICD estimated from Google Maps linework.
Des Plaines, IL Cook Co. United States	N. Wolf Rd. / State St. / N. Broadway St. / E. Golf Rd. (42.05374, -87.91028)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 49.3776	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Intersection upgraded by IDOT to roundabout in 2018.
Hoffman Estates, IL Cook Co. United States	Essex Dr. / Beacon Pointe Dr. (42.06310, -88.23064)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.2604	Other (At-Grade) Single-Lane	2007	Roundabout pictures available at Village Website http://www.hoffmanestates.org/government/departments-comdev-transportation.shtml#InterestandInfo Functional Class: Collector ICD estimated from Google Maps linework.
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.
Schaumburg, IL Cook Co. United States	E State Pkwy. / N Plum Grove Rd. (42.05607, -88.05992)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2019
Lincolnwood, IL Cook Co. United States	N Kimball Ave. / W Arthur Ave. (41.99912, -87.71431)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Lincolnwood, IL Cook Co. United States	W North Shore Ave. / N Kimball Ave. (42.00281, -87.71426)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Lincolnwood, IL Cook Co. United States	W Arthur Ave. / N Kenton Ave. (41.99908, -87.74345)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Hoffman Estates, IL Cook Co. United States	Center Dr. / (parking) (42.07088, -88.12878)	Rotary Existing	All-Way Yield None	3 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, unspecified)		This is a privately maintained roadway. The site is currently being redeveloped from an office campus to a mixed-use development. A single-lane modern roundabout has been considered as a replacement for the existing rotary.
Glenview, IL Cook Co. United States	Patriot Blvd. / (parking) (42.10673, -87.82186)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island	2023	Add-lane right-turn bypass lane on north leg. https://www.glenview.il.us/index.php?section=newsroom&prrid=5
Cooktown, QLD Cook Australia	Boundary St. / Harrigan St. / McIvor Rd. / Charlotte St. (-15.47587, 145.24705)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Coober Pedy, SA Coober Pedy Australia	Hutchison St. / Wright Rd. (-29.01353, 134.75442)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Llandudno Junction, Wales Conwy United Kingdom	A546 / A547 (Conwy Rd. - Ferndale Rd.) (53.28509, -3.81347)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Llandrillo-yn-Rhôs, Wales Conwy United Kingdom	B5115 (Brompton Ave.) / Whitehall Rd. / Ebberston Rd. E / Broadway (53.30228, -3.74358)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Alamo, CA Contra Costa Co. United States	Danville Blvd. / Orchard Ct. (37.85201, -122.03374)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2024	https://www.contracosta.ca.gov/8130/Danville-BlvdOrchard-Ct-Project-Alamo-Ro
El Cerrito, CA Contra Costa Co. United States	Lynn Ave. / Ramona Ave. (37.90057, -122.29100)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
El Cerrito, CA Contra Costa Co. United States	Lynn Ave. / Carmel Ave. (37.90074, -122.29015)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Hercules, CA Contra Costa Co. United States	Maybeck Ln. / Craftsman Dr. (38.02209, -122.26706)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Pleasant Hill, CA Contra Costa Co. United States	Old Quarry Rd. / Camelback Rd. (37.97273, -122.06894)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.1278	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2017-2018). https://www.eastbaytimes.com/2017/02/20/pleasant-hill-roundabout-planned-near-diablo-valley-college/ ICD estimated from Google Maps linework.
San Ramon, CA Contra Costa Co. United States	Stoneleaf Rd. / W Branch Rd. (37.76337, -121.91875)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2011
Concord, CA Contra Costa Co. United States	Landana Dr. / Mulberry Dr. (37.97886, -121.99430)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 16.0041	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Orinda, CA Contra Costa Co. United States	Hall Dr. / Donald Dr. (37.86411, -122.15310)	Traffic Calming Circle Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 17.9148	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Hercules, CA Contra Costa Co. United States	Refugio Valley Rd. / Redwood Rd. / Falcon Way (37.99686, -122.24780)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.8238	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
San Ramon, CA Contra Costa Co. United States	Monarch Rd. / Main Branch Rd. (37.76644, -121.91149)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.4357	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
San Ramon, CA Contra Costa Co. United States	S Monarch Rd. / Ivy Leaf Springs Rd. / Alpine Blue Dr. (37.76185, -121.91048)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 23.6048	Other (At-Grade) Single-Lane	2006	Opened with 2 approaches, third one added 2014-2015. ICD estimated from Google Maps linework.
Lafayette, CA Contra Costa Co. United States	Olympic Blvd. / Pleasant Hill Rd. (37.88604, -122.09300)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2017	Yield-controlled right-turn bypass lanes on north and east legs. Painted splitter island on south leg.
Kensington, CA Contra Costa Co. United States	Kensington Circle (Colusa Ave. / Oak View Ave. / Berkeley Park Blvd.) (37.89957, -122.28708)	Other Existing	All-Way Stop None	6 Approaches 0 Driveways 30.1578	Other (At-Grade) Single-Lane		Stop control, parking along circulatory roadway. In 1992 the central island was a narrow oval on the NW-SE diagonal and traffic moved too fast. Over the years Contra Costa County has widened the island, closer to a circle, with paint and rumble strips, and slowed the traffic. ICD estimated from Google Maps linework.