Roundabouts Database

29410 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
Mount Sterling, KY
Montgomery Co.
United States 		Indian Mound Dr. / Spencer Pike
(38.05454, -83.91678) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 Year Completed estimated (2021-2022).
Stockton, CA
San Joaquin Co.
United States 		Swainsons Hawk St. / Lands End Dr.
(38.05429, -121.34275) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
2 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2006
Stockton, CA
San Joaquin Co.
United States 		Villa Point Dr. / Marlette Rd.
(38.05424, -121.31757) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2007).
Evansville, IN
Vanderburgh Co.
United States 		Oak Hill Rd. / Millersburg Rd. / Hedden Rd.
(38.05136, -87.50749) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.5599 		Other (At-Grade)
Single-Lane 		2013 Rural. Year Completed estimated (2012-2014). ICD estimated from Google Maps linework.
Newton, KS
Harvey Co.
United States 		Broadway St. / I-135 Ramps
(38.05000, -97.32250) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.1441 		Freeway Ramps (Grade-Separated)
Single-Lane 		2003 Single-point interchange. Near roundabout interchange at I-135/1st Street. Roundabout completed January 2002, ramps from I-135 to the roundabout reopened March 2002. Eliptical structure incorporating both NB and SB ramps. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Stockton, CA
San Joaquin Co.
United States 		Buddy Holly Dr. / Nash Dr.
(38.04691, -121.27337) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2020-2021).
Elefsina, Attica
West Attica
Greece 		Iera Odos / Anastasiou ke Ioannou Mouriki
(38.04452, 23.54436) 		Other
Existing 		Other
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Mix of stop and yield control on entry.
Watari Town,Watari District, Miyagi Pref.

Japan 		(unknown)
(38.04373, 140.86918) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Newton, KS
Harvey Co.
United States 		First St. / I-135 Ramps
(38.04250, -97.32240) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
65.8419 		Freeway Ramps (Grade-Separated)
Single-Lane 		2003 Single-point interchange. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Blue Grass-Pigeon, IN
Vanderburgh Co.
United States 		Vieth Ln. / Goebel Dr. / (parking)
(38.03922, -87.49317) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2002 Year Completed estimated (1998-2005).
Stuarts Draft, VA
Augusta Co.
United States 		Stone Dr. / Boulder Dr.
(38.03888, -79.01370) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.1600 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2008-2011). ICD estimated from Google Maps linework.
Pantops, VA
Albemarle Co.
United States 		Avemore Ln. / Calvary Cir,. / Avemore Pond Rd.
(38.03796, -78.44612) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Lexington, KY
Fayette Co.
United States 		S Hanover Ave. / Fincastle Rd.
(38.03292, -84.48508) 		Other
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
33.8660 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Charlottesville, VA
Albemarle Co.
United States 		Rolkin Rd. / Verona Dr / Asheville Dr.
(38.03201, -78.44056) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.1627 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Charlottesville City, VA
Charlottesville City
United States 		Oakhurst Circle
(38.03147, -78.50666) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Lexington, KY
Fayette Co.
United States 		S Hanover Ave. / Slashes Rd.
(38.03143, -84.48720) 		Other
Existing 		All-Way Stop
None 		4 Approaches
3 Driveways
47.0370 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Charlottesville, VA
Ablemarle Co.
United States 		Rolkin Rd. / N Pantops Dr. / Montessori Terr.
(38.03075, -78.44074) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.1040 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Afton, VA
Albemarle Co.
United States 		US 250 (Rockfish Gap Turnpike) / SR 151 (Critzers Shop Rd.)
(38.02982, -78.80684) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.blueridgelife.com/2022/11/17/250-151-roundabout-is-active-so-far-so-good-but-its-early/
Ladysmith, VA
Caroline Co.
United States 		Library Blvd. / Azalea Dr.
(38.02824, -77.52386) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.6312 		Other (At-Grade)
Single-Lane 		2007 Functional Class: Local ICD estimated from Google Maps linework.
Newton, KS
Harvey Co.
United States 		S Anderson Rd. / US 50 Ramps
(38.02647, -97.35495) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
128.0160 		Freeway Ramps (Grade-Separated)
Single-Lane 		2014 Elliptical shaped. Terminal for a single-point interchange. ICD = 420 ft x 320 ft. Open August 2014.
Charlottesville, VA
Charlottesville Co.
United States 		109 Burnet St
(38.02424, -78.48827) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
13.1717 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2017 Neighborhood mini-roundabout placed in lieu of all-way stop when a new section was added in residential development in the City of Charlottesville. ICD estimated from Google Maps linework.
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.
Newton, KS
Harvey Co.
United States 		Windward Dr. / Paddington Ave.
(38.02192, -97.34082) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://www.facebook.com/photo/?fbid=10159510174853529&set=pcb.10159510184283529
Lexington, KY
Fayette Co.
United States 		Alumni Dr. / University Dr. / University Ct.
(38.02175, -84.50949) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.3980 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Newton, KS
Harvey Co.
United States 		Wheatridge Dr. / Paddington Ave.
(38.02088, -97.34089) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://www.newtonkansas.com/Home/Components/News/News/2667
Lexington, KY
Fayette Co.
United States 		Alumni Dr. / College Way / Commonwealth St.
(38.01878, -84.50541) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.3997 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Santiago do Cacém, Setúbal
Santiago do Cacém
Portugal 		N120 (Rua de Lisboa - Rua Cidade de Beja) / Rua da Capela
(38.01866, -8.69120) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Santiago do Cacém, Setúbal
Santiago do Cacém
Portugal 		N261 (Estrada de Santa André - Estrada de Santa Cruz) / Avenida Manuel da Fonseca / Rua Hospital Conde Bracial
(38.01782, -8.69672) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Santiago do Cacém, Setúbal
Santiago do Cacém
Portugal 		N261 (Rua Professor Egas Moniz) / N120 (Largo 25 de Abril - Avenida Dom Nuno Álvares Pereira)
(38.01776, -8.69273) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Santiago do Cacém, Setúbal
Santiago do Cacém
Portugal 		N261 (Rua Professor Egas Moniz) / Rua Cidade de Setúbal / Rua do Parque
(38.01760, -8.69370) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island
Santiago do Cacém, Setúbal
Santiago do Cacém
Portugal 		N261 (Rua de Camilo Castelo Branco - Estrada de Santa Cruz) / N261-3 (Rua Estação dos Caminhos de Ferro) / Rua Gago Coutinho
(38.01724, -8.69692) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Stockton, CA
San Joaquin Co.
United States 		Montauban Ave. / Hammertown Dr.
(38.01652, -121.28893) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2022
Stockton, CA
San Joaquin Co.
United States 		E Swain Rd. / Montauban Ave.
(38.01248, -121.29015) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2016-2017).
Ladysmith, VA
Caroline Co.
United States 		Edmund Pendleton Dr. / (unknown)
(38.00584, -77.51439) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.8177 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
Stockton, CA
San Joaquin Co.
United States 		Gold Brook Dr. / Cabin Creek St.
(38.00138, -121.27230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.4104 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
San Rafael, CA
Marin Co.
United States 		Civic Center Dr. / Peter Behr Dr.
(38.00051, -122.53422) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.8221 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Stockton, CA
San Joaquin Co.
United States 		Gold Brook Dr. / Tiamo Way
(37.99885, -121.27640) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.3524 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Stockton, CA
San Joaquin Co.
United States 		Tiamo Way / Hayden Brook Dr.
(37.99749, -121.27590) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.0000 		Other (At-Grade)
Single-Lane 		2006 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.
Trabia, Sicily
Palermo
Italy 		Piazza Mulini
(37.99636, 13.65368) 		Unknown
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Lexington, KY
Fayette Co.
United States 		W Reynolds Rd. / Keithshire Way / Wellington Way
(37.99520, -84.53814) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.1196 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1999 Opened between 1997 and 2002. Functional Class: Collector ICD estimated from Google Maps linework.
Lexington, KY
Fayette Co.
United States 		Castlebridge Ln. / Muldoon Dr. / Durning Rd. / Hannon Way / Dudee Ct.
(37.99074, -84.40486) 		Other
Existing 		Unknown
Unknown 		8 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island.
San Anselmo, CA
Marin Co.
United States 		San Francisco Blvd. / Santa Cruz Ave.
(37.98566, -122.56572) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
12.1920 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2019 Painted splitter islands. Year Completed estimated (2018-2019).
Newburgh, IN
Warrick Co.
United States 		Vann Rd. / Anderson Rd.
(37.98370, -87.35912) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 https://www.tristatehomepage.com/news/local-news/roundabout-on-vann-road-is-now-open/
Lexington, KY
Fayette Co.
United States 		Ellerslie Park Blvd. / Tatton Park
(37.98335, -84.43017) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2006).
Lexington, KY
Fayette Co.
United States 		Weston Park / Ellersie Park Blvd.
(37.98215, -84.43417) 		Other
Existing 		Uncontrolled
None 		3 Approaches
1 Driveways
30.4800 		Other (At-Grade)
Single-Lane
Newburgh, IN
Warrick Co.
United States 		Warrick Trl. / Grimm Rd.
(37.98034, -87.43214) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.8354 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Fourth leg stubbed.Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
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.
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.
Evansville, IN
Vanderburgh Co.
United States 		University Blvd. / Clarke Ln.
(37.96547, -87.67660) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
46.1377 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Rolla, MO
Phelps Co.
United States 		McCutchen Dr. / St Marias St.
(37.95999, -91.74801) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2020).
Rolla, MO
Phelps Co.
United States 		Forum Dr. / E 18th St.
(37.95932, -91.75243) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2010-2012).
Rolla, MO
Phelps Co.
United States 		University Dr. / White Columns Dr. / Nagogami Rd. / I-44 WB Ramps
(37.95683, -91.78285) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.6096 		Freeway Ramps (Grade-Separated)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Stockton, CA
San Joaquin Co.
United States 		E Miner Ave. / N San Joaquin St.
(37.95611, -121.28804) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2021 Bicycle lanes leading into roundabout with bicycle sharrows on outer edge of circulatory roadway beyond each entry. https://twitter.com/stocktonupdates/status/1407046118156947458
(unincorporated), KS
Stafford Co.
United States 		US 50 / US 281
(37.95588, -98.74702) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 Diamond-shaped outer bypass lanes for oversized loads (windturbine parts). https://www.leavenworthtimes.com/news/20200607/rebuilding-america-stafford-county-roundabout-completed-by-essential-workers
Rolla, MO
Phelps Co.
United States 		US 63 (N Bishop Ave.) / University Dr.
(37.95373, -91.77712) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 Entrance to Missouri S&T campus. http://moverollatdd.com/university-drive-realignment/
Wattsville, VA
Accomack Co.
United States 		Old Mill Pointe / (unknown)
(37.95075, -75.48857) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2008 Functional Class: Local
Telluride, CO
San Miguel Co.
United States 		CO-145 / CO-145 Spur
(37.95036, -107.87135) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.6712 		Other (At-Grade)
Single-Lane 		2013 Through bypass lane along top of T-intersection. Year Completed estimated (2011-2014). ICD estimated from Google Maps linework.
Rolla, MO
Phelps Co.
United States 		Kings Hwy. / Old Wire Outer Rd. / I-44 WB Ramps
(37.94424, -91.79360) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.6860 		Freeway Ramps (Grade-Separated)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Rolla, MO
Phelps Co.
United States 		Kings Hwy / I-44 EB Ramps / Martin Spring Dr.
(37.94354, -91.79109) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.6283 		Freeway Ramps (Grade-Separated)
Single-Lane 		2012 Elliptical shape. ICD estimated from Google Maps linework.
Telluride, CO
San Miguel Co.
United States 		W. Colorado Ave. / Mahoney Dr. / Brewery Rd.
(37.94135, -107.82080) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.9083 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Corinth, Peloponnese
Korinthia
Greece 		Patron / Georgiou Papandreou
(37.93753, 22.92335) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Ilioúpolis, Attica
Central Athens
Greece 		Leoforos Eleftheriou Venizelou / Leoforos P. Protopapa / Laskareos
(37.93586, 23.75846) 		Other
Existing 		All-Way Stop
None 		5 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane) 		Parking along circulatory roadway.
Lake Monticello, VA
Fluvanna Co.
United States 		SR 53 (Thomas Jefferson Pkwy.) / SR 618 (Lake Monticello Rd.)
(37.92785, -78.35902) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.cbs19news.com/story/42925626/new-roundabout-in-fluvanna-county-completed
Chincoteague, VA
Accomack Co.
United States 		Maddox Blvd. / Wyle Way / Woodland Dr.
(37.92680, -75.35457) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
4 Driveways
80.0770 		Unknown
Single-Lane 		Seems to work very well even though there is a high percentage of visiting traffic. Building and parking within central island. ICD estimated from Google Maps linework.
Jamestown, CA
Tuolumne Co.
United States 		SR 108 / People of the Mountain Rd. (MacKey Ranch Rd.) / Sierra Rock Rd.
(37.92569, -120.44641) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.uniondemocrat.com/news/local/article_c858c6e0-40ee-11ed-b07d-6b13ef882d63.html
Walnut Creek, CA
Alameda Co.
United States 		Walnut Ave. / Oak Grove Rd.
(37.91432, -122.00770) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
22.6138 		Other (At-Grade)
Single-Lane 		2000 Right turn bypass lane in northwest quadrant. ICD estimated from Google Maps linework.
Santa Olalla del Cala, Andalusia
Huelva
Spain 		A-461 (Carretera a El Real de la Jara) / (unknown)
(37.91344, -6.21657) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Bonne Terre, MO
St. Francois Co.
United States 		Old Orchard Rd. / US 67 NB Ramps
(37.91294, -90.53029) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Freeway Ramps (Grade-Separated)
Single-Lane 		2008 Year Completed estimated (2007-2009).
Bonne Terre, MO
St. Francois Co.
United States 		Old Orchard Rd. / Raider Rd. / US 67 SB Ramps
(37.91037, -90.53216) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Freeway Ramps (Grade-Separated)
Single-Lane 		2008 Elliptical shaped. ICD = 155 ft x 145 ft. Year Completed estimated (2007-2009).
Santa Olalla del Cala, Andalusia
Huelva
Spain 		HU-9116 / A-66 Ramps
(37.90566, -6.21221) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		Concentric circulatory roadway striping.
Santa Olalla del Cala, Andalusia
Huelva
Spain 		HU-9116 / (unknown)
(37.90271, -6.21975) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Concentric circulatory roadway striping.
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
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
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.
West Frankfort, IL
Franklin Co.
United States 		SR 149 / Ken Gray Blvd. / West Frankfort Plaza
(37.89743, -88.95243) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2022 Year Completed estimated (2021-2023).
Fort Knox, KY
Hardin Co.
United States 		Chaffee Ave. / N Knox St. / Dixie St.
(37.89491, -85.95675) 		Other
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		No splitter islands.
Royalton, IL
Franklin Co.
United States 		SR 149 (N Main St.) / SR 184
(37.89199, -89.11396) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 Replaced triangular intersection. https://www.facebook.com/photo/?fbid=782341056078810&set=a.659310081715242
Berkeley, CA
Alameda Co.
United States 		Marin Ave. / Los Angeles Ave. / Del Norte St. / Arlington Ave.
(37.89015, -122.27240) 		Other
Existing 		One-Way/Two-Way Stop
None 		6 Approaches
0 Driveways
25.4489 		Other (At-Grade)
Single-Lane 		Free movement on Marin Ave.; rest are stop-controlled ICD estimated from Google Maps linework.
Chincoteague, VA
Accomack Co.
United States 		Beach Rd. / (parking lot)
(37.88955, -75.34290) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2016 This roundabout is constructed on the sand. Inside Assateague National Seashore. Year Completed estimated (2013-2016).
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.
Palmyra, VA
Fluvanna Co.
United States 		VA-53 (Thomas Jefferson Pkwy.) / S. Boston Rd.
(37.88422, -78.32120) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.8199 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Berkeley, CA
Alameda Co.
United States 		Gilman St. / I-80 EB Ramps / Eastshore Hwy.
(37.87826, -122.30681) 		Roundabout
Unknown 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Unknown 		Opening 2024 https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/d4-alameda-80-gilman-interchange-improvement-project
Berkeley, CA
Alameda Co.
United States 		Gilman St. / I-80 WB Ramps / Frontage Rd.
(37.87808, -122.30769) 		Roundabout
Unknown 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Unknown 		Opening 2024 https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/d4-alameda-80-gilman-interchange-improvement-project
Berkeley, CA
Alameda Co.
United States 		University Dr. / Hilgard Way
(37.87213, -122.26356) 		Other
Existing 		Other
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Stop control on two of three legs.
Berkeley, CA
Alameda Co.
United States 		Delaware St. / Tenth St.
(37.87145, -122.29413) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Grant St. / Addison St.
(37.87029, -122.27514) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Ninth St. / Hearst Ave.
(37.86998, -122.29484) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		California St. / Addison St.
(37.86971, -122.27967) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Seventh St. / Hearst Ave.
(37.86953, -122.29705) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		McKinley Ave. / Allston Way
(37.86865, -122.27384) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Allston Way / Grant St.
(37.86850, -122.27496) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Allston St. / California St.
(37.86791, -122.27948) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Piedmont Ave. / Channing Way
(37.86780, -122.25188) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Crosswalks within circulatory roadway.
Berkeley, CA
Alameda Co.
United States 		Ninth St. / Addison St.
(37.86738, -122.29401) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Ninth St. / Allston Way
(37.86593, -122.29353) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Seventh St. / Allston Way
(37.86549, -122.29577) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		University Ave. / Marina Blvd.
(37.86518, -122.31113) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2022 https://www.berkeleyside.org/2022/06/16/berkeley-marina-university-avenue-repaved
Berkeley, CA
Alameda Co.
United States 		Tenth St. / Bancroft Way
(37.86439, -122.29186) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Ninth St. / Bancroft Way
(37.86416, -122.29297) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane