Roundabouts Database

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
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.
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
Enoch, UT
Iron Co.
United States 		SR 130 (N Minersville Hwy.) / E Midvalley Rd.
(37.76474, -113.05532) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 Completed November 2021.
Pleasanton, CA
Alameda Co.
United States 		Watermill Rd. / Albion Rd.
(37.76511, -121.90780) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
34.9336 		Other (At-Grade)
Single-Lane 		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 Francisco, CA
San Francisco Co.
United States 		8th St. / Townsend St. / Division St. / Kansas St.
(37.76992, -122.40393) 		Other
Existing 		All-Way Stop
None 		5 Approaches
0 Driveways
33.0431 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Mission Bay Dr. / Mission Bay Blvd. / Owens St. / Channel St.
(37.77048, -122.39599) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
78.3588 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012 Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Waller St. / Steiner St.
(37.77097, -122.43190) 		Traffic Calming Circle
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
66.0853 		Other (At-Grade)
Single-Lane 		2003 Preliminary layout for neighborhodd comment Functional Class: Local ICD estimated from Google Maps linework.
Manteca, CA
San Joaquin Co.
United States 		Galleria Dr. / Diablo View Dr.
(37.77254, -121.26299) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2020).
Oakland, CA
Alameda Co.
United States 		E 29th Ave. / E 9th St. / I-880 NB Onramp
(37.77536, -122.23293) 		Roundabout
Existing 		All-Way Yield
Metering Signal 		2 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2018 Ramp meter on south leg upstream of roundabout to meter freeway entrance ramp.
Manteca, CA
San Joaquin Co.
United States 		E Woodward Ave. / Shoreline Dr. / McKinley Ave.
(37.77547, -121.27071) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2021 No splitter island on north leg (rural). Year Completed estimated (2021-2022).
Gum Spring, VA
Louisa Co.
United States 		US 250 (Broad Street Rd.) / US 522 (Cross Country Rd.)
(37.77548, -77.89690) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022
Manteca, CA
San Joaquin Co.
United States 		Woodward Ave. / Oleander Ave.
(37.77562, -121.24315) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Manteca, CA
San Joaquin Co.
United States 		Woodward Ave. / Al Fonseca Ln.
(37.77564, -121.23833) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2016
Ribeira Grande, Azores

Portugal 		Rte 2A / Eixo NB Ramps
(37.77616, -25.57640) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.7604 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Ribeira Grande, Azores

Portugal 		Rte 2A / Rua Joaquim Marques / Eixo SB Ramps
(37.77663, -25.57815) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.5361 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Bel Aire, KS
Sedgwick Co.
United States 		E Central Park Ave. / N St James St.
(37.77664, -97.25902) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Bel Aire, KS
Sedgwick Co.
United States 		E Central Park Ave. / N Prestwick Ave.
(37.77802, -97.24728) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Bel Aire, KS
Sedgwick Co.
United States 		E Central Park Ave. / (unknown)
(37.77968, -97.24947) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Escalon, CA
San Joaquin Co.
United States 		1st Ave. / Riesling Way
(37.79437, -121.01140) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.8755 		Other (At-Grade)
Single-Lane 		2000 Painted splitter islands. ICD estimated from Google Maps linework.
Park City, KS
Sedgwick Co.
United States 		61st St. N / N Broadway Ave.
(37.79589, -97.33600) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.parkcityks.gov/CivicAlerts.aspx?AID=637&ARC=1057
Escalon, CA
San Joaquin Co.
United States 		Riesling Way / California St.
(37.79671, -121.01110) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.8749 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Presidio, CA
San Francisco Co.
United States 		Lincoln Blvd. / Girard Rd.
(37.80065, -122.45385) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2021 Separated bike lanes on all legs. https://sf.streetsblog.org/2021/03/01/presidios-dutch-roundabout/
Ribeira Grande, Azores

Portugal 		Eixo / Rua de Santa Barbara
(37.80540, -25.53358) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
37.7454 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Ribeira Grande, Azores

Portugal 		Rte 1 / Rte 1A / Eixo
(37.80637, -25.54526) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
83.9825 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Ribeira Grande, Azores

Portugal 		Eixo / Rua da Industria / Rua dos Bombeiros Voluntarios
(37.80758, -25.52195) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
44.3496 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Bardstown, KY
Nelson Co.
United States 		US 31E / US 150 / S 3rd St.
(37.80915, -85.46683) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
61.3332 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Building in central island with pedestrian access across circulatory roadway. Circulating lanes yield to entering lanes on two legs. ICD estimated from Google Maps linework.
Bardstown, KY
Nelson Co.
United States 		US 31E / US 62
(37.80990, -85.47191) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023
Carterville, IL
Williamson Co.
United States 		Cambria Rd. / Herrin Rd.
(37.81089, -89.12377) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
42.6717 		Other (At-Grade)
Single-Lane 		2020 https://wsiltv.com/2020/05/29/williamson-county-intersection-to-close-for-construction/
Ribeira Grande, Azores

Portugal 		Rua de Nossa Senhora de Fatima (Rte 1A) / (unknown)
(37.81172, -25.57273) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
46.2342 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Under construction in 2010 from Google. ICD estimated from Google Maps linework.
Manteca, CA
San Joaquin Co.
United States 		E Louise Ave. / Felice Way / Ambrose Dr.
(37.81205, -121.20128) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018
Waynesville, MO
Pulaski Co.
United States 		Historic Route 66 / Hwy T
(37.81205, -92.23491) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2016-2018).
Ribeira Grande, Azores

Portugal 		Rua dos Bombeiros Voluntarios / Alameda 29 de Junho / Rua Engenheiro Arantes e Oliverira / Rua Dr Lucindo Rebelo Machado
(37.81520, -25.52760) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
20.7572 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Ribeira Grande, Azores

Portugal 		Rte 1A / Rua da Saude
(37.81595, -25.53798) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
50.9490 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Ribeira Grande, Azores

Portugal 		Alameda 29 de Junho / Rua do Mourato / Rua Adolfo de Medeiros
(37.81765, -25.53045) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
25.4739 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Ribeira Grande, Azores

Portugal 		Rte 1A (Rua do Estrela) / Alameda 29 de Junho
(37.81920, -25.53167) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
41.5122 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Park City, KS
Sedgwick Co.
United States 		E 77th St. N / N Broadway Ave.
(37.82510, -97.33587) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://m.facebook.com/cityofparkcityks/videos/333467111808262/?locale2=fo_FO
Henderson, KY
Henderson Co.
United States 		KY 54-KY 351 (2nd St.) / US 41 NB Ramps
(37.83052, -87.56569) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2024 Raindrop shaped. Replaces PARCLO B ramp with diamond ramp and shifts intersection approximately 200 ft west.
Henderson, KY
Henderson Co.
United States 		KY 54-KY 351 (2nd St.) / US 41 SB Ramps
(37.83090, -87.56729) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2024 Raindrop shaped. https://news.wnin.org/2024-07-25/henderson-roundabouts-to-open-soon.
Henderson, KY
Henderson Co.
United States 		KY 351 (2nd St.) / KY 2084 (Southside Dr.) / (entrance to North Middle School)
(37.83126, -87.56895) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2024 https://news.wnin.org/2024-07-25/henderson-roundabouts-to-open-soon
Sausalito, CA
Marin Co.
United States 		Conzelman Rd. / McCullough Rd.
(37.83361, -122.49400) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.2415 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Berkeley, CA
Alameda Co.
United States 		California St. / 62nd St.
(37.84638, -122.27545) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Park Hills, MO
St. Francois Co.
United States 		Science St. / High St. / Rebel Dr.
(37.84763, -90.52203) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2008).
Berkeley, CA
Alameda Co.
United States 		California St. / Harmon St.
(37.84908, -122.27602) 		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 		King St. / Harmon St.
(37.84937, -122.27376) 		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 		Harmon St. / Ellis St.
(37.84950, -122.27272) 		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 		California St. / Fairview St.
(37.84998, -122.27619) 		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 		King St. / Fairview St.
(37.85028, -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 		Ellis St. / Fairview St.
(37.85042, -122.27282) 		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 		California St. / Woolsey St
(37.85088, -122.27637) 		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 		King St. / Woolsey St.
(37.85118, -122.27394) 		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 		Ellis St. / Woolsey St.
(37.85132, -122.27293) 		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. / Prince St.
(37.85176, -122.27656) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		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
Berkeley, CA
Alameda Co.
United States 		King St. / Prince St.
(37.85210, -122.27405) 		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. / Tyler St.
(37.85266, -122.27674) 		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. / Russell St.
(37.85524, -122.27723) 		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. / Oregon St.
(37.85632, -122.27743) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Palmyra, VA
Fluvanna Co.
United States 		US 15 / VA-53
(37.85633, -78.26754) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
63.1800 		Other (At-Grade)
Single-Lane 		2017 Completed summer 2017. ICD estimated from Google Maps linework.
Berkeley, CA
Alameda Co.
United States 		Fulton St. / Stuart St.
(37.85890, -122.26415) 		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 		California St. / Derby St.
(37.85899, -122.27798) 		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 		Fulton St. / Ward St.
(37.85980, -122.26434) 		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 		Matthews St. / Blake St.
(37.86053, -122.28713) 		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. / Parker St.
(37.86075, -122.27835) 		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 		Acton St. / Blake St.
(37.86106, -122.28303) 		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 		Ellsworth St. / Parker St.
(37.86276, -122.26264) 		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 		Channing Way / West St.
(37.86354, -122.28497) 		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 		Channing Way / Edwards St.
(37.86388, -122.28229) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
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.
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
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 		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 		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 		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 		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 		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 		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 		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 		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 		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 		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 		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 		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 		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 		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 		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 		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
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.
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.
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).
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.
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
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.
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).
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.
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
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.
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.
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).