Roundabouts Database Index

29465 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
San Luis Obispo, CA San Luis Obispo Co. United States	Tank Farm Rd. / Righetti Ranch Rd. (35.25019, -120.63318)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.3341	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
San Luis Obispo, CA San Luis Obispo Co. United States	Chorro St. / High St. (35.27217, -120.65736)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 10.7258	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
San Luis Obispo, CA San Luis Obispo Co. United States	Chorro St. / Church St. (35.27448, -120.65800)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 29.2513	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
San Luis Obispo, CA San Luis Obispo Co. United States	Madonna Rd. / Devaul Ranch Dr. (35.25454, -120.69548)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 21.4562	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1994-2002). ICD estimated from Google Maps linework.
San Luis Obispo, CA San Luis Obispo Co. United States	Prado Rd. / Serra Meadows Dr. (35.25402, -120.66256)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, unspecified)	2015
San Luis Obispo, CA San Luis Obispo Co. United States	Margarita Ave. / Cherry Ln. (35.25603, -120.66104)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2014
San Luis Obispo, CA San Luis Obispo Co. United States	Chorro St. / Islay St. (35.27610, -120.65977)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 15.6004	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Morro Bay, CA San Luis Obispo Co. United States	Morro Bay Blvd. / Quintana Rd. (35.36641, -120.84100)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 31.1659	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	ICD estimated from Google Maps linework.
San Luis Obispo, CA San Luis Obispo Co. United States	Orcutt Rd. / Ranch House Rd. (35.26134, -120.63978)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2019	Elliptical shaped. ICD = 105 ft x 100 ft. Driveway between crosswalk and entrance line on east leg.
San Luis Obispo, CA San Luis Obispo Co. United States	Righotti Ranch Rd. / Tiburon Way (35.25548, -120.63902)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2020
San Luis Obispo, CA San Luis Obispo Co. United States	Tank Farm Rd. / Orcutt Rd. (35.25030, -120.62523)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.slocity.org/government/department-directory/public-works/programs-and-services/capital-improvement-projects/roundabouts
Avila Beach, CA San Luis Obispo Co. United States	Avila Beach Dr. / Palisades Rd. / US 101 SB Ramps (35.17977, -120.70042)	Roundabout Unknown	All-Way Yield Unknown	4 Approaches 0 Driveways 44.1960	Freeway Ramps (Grade-Separated) Single-Lane		Anticipated opening in fall of 2024.
Templeton, CA San Luis Obispo Co. United States	N Main St. / US 101 NB Ramps (35.56543, -120.70151)	Roundabout Unknown	All-Way Yield Unknown	4 Approaches 0 Driveways 56.0829	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)		Oval shaped. ICD = 184 ft x 157 ft. Anticipated opening year 2030.
Templeton, CA San Luis Obispo Co. United States	N Main St. / US 101 SB Ramps / Theatre Dr. (35.56644, -120.70261)	Roundabout Unknown	All-Way Yield Unknown	4 Approaches 0 Driveways 43.8909	Freeway Ramps (Grade-Separated) Single-Lane		Anticipated opening year 2030.
Morro Bay, CA San Luis Obispo Co. United States	Atascadero Rd. / US 101 NB Ramps / Main St. (35.38023, -120.85489)	Roundabout Unknown	All-Way Yield Unknown	4 Approaches 0 Driveways 48.7680	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)		Oval shaped. ICD = 160 ft x 130 ft. Anticipated opening year 2026.
Paso Robles, CA San Luis Obispo Co. United States	Golden Hill Rd. / Union Rd. (35.64021, -120.65811)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2023	Peanut shaped. ICD = 120 ft for each node; 300 ft long. https://www.youtube.com/watch?v=8XdqNEsJOU4
Burlingame, CA San Mateo Co. United States	California Dr. / Bellevue Ave. / Lorton Ave. (37.58049, -122.34729)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	Bus stop in advance of crosswalk on through bypass lane.
San Mateo Park, CA San Mateo Co. United States	Edgewood Rd. / Clark Dr. / Midway Ave. (37.56598, -122.34956)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands or control.
San Mateo Park, CA San Mateo Co. United States	W Bellevue Ave. / Dorchester Rd. (37.56727, -122.34429)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands or control.
San Mateo Park, CA San Mateo Co. United States	Warren Rd. / Costa Rica Ave. (37.56965, -122.34751)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on two legs; no control.
San Mateo Park, CA San Mateo Co. United States	Clark Dr. / Crescent Ave. (37.56928, -122.34362)	Other Existing	All-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
San Mateo Park, CA San Mateo Co. United States	Warren Rd. / Crescent Ave. (37.57129, -122.34558)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands or control.
Edgewood Park, CA San Mateo Co. United States	Wellesley Crescent (Edgewood Rd. / Hyde St. / Arlington Rd. / Claremont Ave.) (37.49036, -122.24340)	Other Existing	All-Way Stop Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)		Elliptical shaped.
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.
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.
San Salvador, San Salvador San Salvador El Salvador	Calle San Antonio Abad / Boulevard Constitucion Ramps (13.71803, -89.22251)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
San Salvador, San Salvador San Salvador El Salvador	Paseo General Escalón / Avenida Jerusalen Ramps (13.70362, -89.24941)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
San Salvador, San Salvador San Salvador El Salvador	Calle El Mirador / Tercera Calle Poniente / Calle Jose Marti / Calle del Mirador / Pasaje Limon (13.70859, -89.25429)	Unknown Existing	Unknown Unknown	5 Approaches 0 Driveways	Other (At-Grade) Unknown
San Salvador, San Salvador San Salvador El Salvador	Avenida Masterrer Norte / Calle del Mirador (13.71191, -89.24783)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
San Salvador, San Salvador San Salvador El Salvador	Prolongacion Avenida Alberto Masterrer / Calle Las Granadillas (13.71996, -89.24024)	Unknown Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
San Salvador, San Salvador San Salvador El Salvador	Prolongacion Avenida Alberto Masterrer / Calle El Roble (13.72299, -89.23485)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
San Salvador, San Salvador San Salvador El Salvador	24A Avenida Norte / Calle Concepcion / Calle El Tamarindo (13.70459, -89.17968)	Unknown Existing	Unknown Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Sandefjord, Telemark Sandefjord Norway	Fv303 (Sandefjordsveien - Landstads Gate) / Fv305 (Sandefjordsveien) (59.13221, 10.21580)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Sandefjord, Telemark Sandefjord Norway	Sandefjordsveien / E18 NB Ramps (59.15320, 10.18548)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Sandefjord, Telemark Sandefjord Norway	Fv305 (Sandefjordsveien - Kodalveien) / E18 SB Ramps (59.15432, 10.18335)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Sandnes, Rogaland Sandnes Norway	Løwenstrasse / Grenseveien (58.88635, 5.72359)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Sandnes, Rogaland Sandnes Norway	Løwenstrasse / E39 NB Ramps (58.88646, 5.71968)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Sandnes, Rogaland Sandnes Norway	Løwenstrasse / E39 SB Ramps (58.88649, 5.71591)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Sandnes, Rogaland Sandnes Norway	Løwenstrasse / Vassbotnen (58.88667, 5.71302)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Sandnes, Rogaland Sandnes Norway	Løwenstrasse / Svanholmen (58.88677, 5.70677)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Sandnes, Rogaland Sandnes Norway	Svanholmen / Koppholen (58.88797, 5.70654)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Rio Rancho, NM Sandoval Co. United States	Iris Rd. NE / Idalia Rd. NE (35.30200, -106.62532)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.1908	Other (At-Grade) Single-Lane	2010	Under construction late 2009. ICD estimated from Google Maps linework.
Rio Rancho, NM Sandoval Co. United States	Country Club Dr. SE / Broadmoor Blvd. / Esplanade Cir. SE (35.24556, -106.67238)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.2618	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Rio Rancho, NM Sandoval Co. United States	Cherry Rd. NE / 17th Ave. NE (35.28760, -106.70361)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.1712	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Rio Rancho, NM Sandoval Co. United States	Arena Dr. NE / HP Way NE (35.31009, -106.69007)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.1877	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Rio Rancho, NM Sandoval Co. United States	King Blvd. NE / Main St. NE (35.31189, -106.68624)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.2886	Other (At-Grade) Single-Lane	2007	Fourth leg stubbed. Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Rio Rancho, NM Sandoval Co. United States	King Blvd. NE / Park Dr. NE (35.31365, -106.68872)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.1100	Other (At-Grade) Single-Lane	2006	Fourth leg stubbed. Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Rio Rancho, NM Sandoval Co. United States	Loma Colorado Blvd. NE / Red Hill Ct. NE (35.27261, -106.65753)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2009).
Rio Rancho, NM Sandoval Co. United States	Loma Colorado St. NE / Terraza Blvd. NE (35.26972, -106.66078)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2009).
Rio Rancho, NM Sandoval Co. United States	Loma Colorado Blvd. NE / (parking) (35.26261, -106.67142)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2010	Add-lane right-turn bypass lane on north leg. Year Completed estimated (2009-2011).
Rio Rancho, NM Sandoval Co. United States	Chayote Rd. NE / Lincoln Ave. NE (35.31689, -106.60549)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2021	Striped out right side of entries on east and west leg with evidence of driver encroachment over stripes. Year Completed estimated (2020-2023).
Rio Rancho, NM Sandoval Co. United States	Campus Blvd. NE / Center Blvd. NE (35.31768, -106.68441)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2011).
Fremont, OH Sandusky Co. United States	US 6 (OH-53) / Terra State Community College access (41.35386, -83.16530)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.4467	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Sandviken, Gavleborg County Sandviken Sweden	Gävlevägen / Västerled (60.62201, 16.74234)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 31.0527	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Sandviken, Gavleborg County Sandviken Sweden	Västerled / Sätragatan (60.60524, 16.75369)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.4482	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Sandviken, Gavleborg County Sandviken Sweden	Rte 272 / Gävlevägen / Järbovägen (60.62260, 16.75854)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.6687	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Sandviken, Gavleborg County Sandviken Sweden	Rte 272 / Linggatan (60.62322, 16.77065)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 31.6374	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Sandviken, Gavleborg County Sandviken Sweden	Rte 272 / Hamngatan / Seljansögatan (60.60538, 16.77068)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.1032	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Sandviken, Gavleborg County Sandviken Sweden	Järnverksleden / Sätragatan (60.61341, 16.78398)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 32.8192	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Sandviken, Gavleborg County Sandviken Sweden	Gävlevägen / Mossvägen / (unknown) (60.62574, 16.79439)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 80.2591	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Blackheath, England Sandwell United Kingdom	A4100 (Henderson Way) / A4171 (Birmingham Rd.) (52.47671, -2.03919)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Saint Pauls, England Sandwell United Kingdom	A4252 (Telford Way - Kenrick Way) / A4182 (Kenrick Way) / Dartmouth Rd. (52.50672, -1.97607)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Springfield, IL Sangamon Co. United States	Flat Ave. / Roland Ave. (39.75916, -89.64309)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.7894	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
Springfield, IL Sangamon Co. United States	W Iles Ave. / Archer Elevator Rd. (39.77083, -89.73465)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.8829	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Springfield, IL Sangamon Co. United States	Capitol Ave. / 12th St. (39.79816, -89.63947)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2012
Sankt Pölten, Lower Austria Sankt Pölten Austria	B1 (Linzer Straße - Schulring) / B20 (Mariazeller Straße) / Schießstattring / Europaplatz (48.20099, 15.62022)	Signalized Roundabout/Circle Existing	Signal None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Sankt Pölten, Lower Austria Sankt Pölten Austria	B1a (Niederösterreich Ring) / Neue Herrengasse (48.19852, 15.63262)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Sankt Pölten, Lower Austria Sankt Pölten Austria	B1a (Niederösterreich Ring) / Doktor-Bruno-Kreisky Straße / Stattersdorfer Hauptstraße (48.19809, 15.64132)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Tullnerbach, Lower Austria Sankt Pölten-Land Austria	B44 (Hauptstraße) / B13 (An der Stadlhütte) / Friedhof (48.18598, 16.12319)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Preßbaum, Lower Austria Sankt Pölten-Land Austria	B44 (Hauptstraße) / A1 Ramps (48.17726, 16.06094)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Santa Ynez, CA Santa Barbara Co. United States	SR 154 / Edison St. (34.63374, -120.08102)	Roundabout Unknown	All-Way Yield None	4 Approaches 0 Driveways 46.0248	Other (At-Grade) Single-Lane		Anticipated opening year Spring of 2024.
Santa Maria, CA Santa Barbara Co. United States	W Beacon Way / Madison Ln. (34.93382, -120.45941)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands.
Santa Barbara, CA Santa Barbara Co. United States	Olive Mill Rd. / Coast Village Rd. / N Jameson Ln. / US 101 Ramps (34.42156, -119.63993)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 46.3296	Freeway Ramps (Grade-Separated) Single-Lane	2024	Opened May 2024. https://www.youtube.com/watch?v=QKQzLS7q3iw
Montecito, CA Santa Barbara Co. United States	San Ysidro Rd. / N Jameson Ln. / US 101 NB Ramps (34.42287, -119.63152)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 53.6445	Freeway Ramps (Grade-Separated) Single-Lane	2024	This is an unique kidney shaped single-lane roundabout (approx. varying ICD 176' x 116'). Opened May 2024. https://www.youtube.com/watch?v=QKQzLS7q3iw
Carpinteria, CA Santa Barbara Co. United States	Ogan Rd. / Via Real / US 101 NB On-Ramp (34.40144, -119.51551)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Freeway Ramps (Grade-Separated) Single-Lane	2020	https://www.coastalview.com/news/roadways-open-with-improvements/article_979e3586-c6f1-11ea-bc84-b3d50932177b.html
Santa Maria, CA Santa Barbara Co. United States	Bethel Ln. / Marsala Ave. (34.92790, -120.45579)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2002	Year Completed estimated (2001-2002). North leg added 2003-2004.
Santa Maria, CA Santa Barbara Co. United States	S. College Dr. / Southside Pkwy. (34.92111, -120.42530)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.0676	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Santa Maria, CA Santa Barbara Co. United States	S. College Dr. / E. McCoy Ln. (34.91648, -120.42510)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8427	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	No circulatory roadway striping. Fatal crash October 15, 2009. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework.
Santa Maria, CA Santa Barbara Co. United States	S. Bradley Rd. / Southside Pkwy. (34.92075, -120.42200)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.0056	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Santa Maria, CA Santa Barbara Co. United States	S. Bradley Rd. / E. McCoy Ln. (34.91219, -120.42160)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.8868	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Santa Barbara, CA Santa Barbara Co. United States	Cabrillo Blvd. / Coast Village Rd. / Hot Springs Rd. (34.42272, -119.65268)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, unspecified)	2009
Goleta, CA Santa Barbara Co. United States	Lagoon Rd. / Mesa Rd. (34.41491, -119.83930)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 33.4993	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	At the University of California Santa Barbara college campus. Right-turn bypass lane. Bus bays along circulatory roadway. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Santa Barbara, CA Santa Barbara Co. United States	Milpas St. / US 101 NB Ramps / Carpinteria St. (34.42073, -119.67765)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 62.4840	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	Oblong shaped. ICD = 250 ft x 125 ft. Completed April 2000. Experienced one single-vehicle fatality (date unknown). 11861-05.
Santa Barbara, CA Santa Barbara Co. United States	Alameda Padre Serra / Montecito St. / Salinas St. / Sycamore Canyon Rd. (34.42903, -119.67720)	Roundabout Existing	All-Way Yield None	5 Approaches 1 Driveways 23.6427	Other (At-Grade) Single-Lane	1992	Includes driveway into roundabout serving one home. ICD estimated from Google Maps linework.
Goleta, CA Santa Barbara Co. United States	N Los Carneros Rd. / Calle Real (34.44023, -119.85286)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.5194	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Santa Maria, CA Santa Barbara Co. United States	Hidden Pines Way / Cesar E Chavez Dr. (34.98597, -120.44869)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.3551	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Santa Maria, CA Santa Barbara Co. United States	Hidden Pines Way / Railroad Ave. (34.98586, -120.44455)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.2692	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Santa Ynez, CA Santa Barbara Co. United States	SR 154 / SR 246 (Mission Dr.) / Armour Ranch Rd. (34.61016, -120.05476)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Single-Lane	2015	Merging right-turn bypass lane on west leg. Yield-controlled right-turn bypass lane on north leg due to skew.
Lompoc, CA Santa Barbara Co. United States	SR 246 / Purisima Rd. (34.66456, -120.40790)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.2401	Other (At-Grade) Single-Lane	2011	Yield-controlled right-turn bypass lane in northwest quadrant. ICD estimated from Google Maps linework.
Santa Barbara, CA Santa Barbara Co. United States	Cliff Dr. / Las Positas Rd. (34.40523, -119.73918)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.5619	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Riviera, CA Santa Barbara Co. United States	Mountain Dr. / Mission Ridge Rd. (34.44102, -119.71150)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 9.1440	Other (At-Grade) Single-lane w/ Traversable Central Island	2007	Central island is painted only, similar to UK practice. Two approaching streets are only separated by a retaining wall. Year Completed estimated (2006-2007).
Santa Clara, CA Santa Clara Co. United States	Rivermark Plaza / Moreland Way (37.39525, -121.94684)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Santa Teresa, CA Santa Clara Co. United States	Raleigh Rd. / Coronado Ave. (37.24222, -121.78522)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2017).
Stanford, CA Santa Clara Co. United States	Galvez St. / Arboretum Rd. (37.43602, -122.16281)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	Right-turn bypass lane on northeast leg; through bypass lane on southwest leg. Year Completed estimated (2018-2020).
San Jose, CA Santa Clara Co. United States	Communications Hill Blvd. / Llano De Los Robles Ave. (37.28371, -121.84892)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2017	North leg added 2020.
Palo Alto, CA Santa Clara Co. United States	E Meadow Dr. / Ross Rd. (37.42600, -122.11139)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 13.2785	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Stanford, CA Santa Clara Co. United States	Campus Dr. / Santa Teresa St. (37.42678, -122.18140)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.5567	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Stanford, CA Santa Clara Co. United States	Campus Dr. / Serra St. (37.42679, -122.15944)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.5257	Other (At-Grade) Single-Lane	2018	https://transportation.stanford.edu/news/stanfords-fifth-roundabout-open-serra-street-and-campus-drive-east ICD estimated from Google Maps linework.
Gilroy, CA Santa Clara Co. United States	Santa Teresa Blvd. / 3rd St. (37.00747, -121.60034)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.0108	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Gilroy, CA Santa Clara Co. United States	3rd St. / Cobblestone Ct. (37.00798, -121.60339)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 22.8896	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.