Roundabouts Database

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
Gilroy, CA
Santa Clara Co.
United States 		W Luchessa Ave. / W 10th St.
(36.99065, -121.58528) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2016
Gilroy, CA
Santa Clara Co.
United States 		W 10th St. / Charles Lux Dr.
(36.99160, -121.58385) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2016
Gilroy, CA
Santa Clara Co.
United States 		W Luchessa Ave. / Miller Ave.
(36.99209, -121.58788) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2020-2021).
Gilroy, CA
Santa Clara Co.
United States 		W Luchessa Ave. / Thomas Rd.
(36.99107, -121.57357) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2014 Year Completed estimated (2014-2015).
Gilroy, CA
Santa Clara Co.
United States 		Loma Ranch St. / W 10th St.
(36.98989, -121.58674) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
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).
Salinas, CA
Monterey Co.
United States 		E Alisal St. / Alisal Rd. / Bardin Rd.
(36.67331, -121.60192) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2022 Year Completed estimated (2021-2022).
Salinas, CA
Monterey Co.
United States 		Alisal Rd. / Sconberg Pkwy.
(36.67234, -121.60073) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.0144 		Other (At-Grade)
Single-Lane 		2022 Year Completed estimated (2021-2022).
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
Belmont Shore, CA
Los Angeles Co.
United States 		Ravenna Dr. / Corinthian Walk / The Toledo
(33.75451, -118.12361) 		Other
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Long Beach, CA
Los Angeles Co.
United States 		Aquarium Way
(33.76301, -118.19609) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Rohnert Park, CA
Sonoma Co.
United States 		Commerce Blvd. / Southwest Blvd.
(38.33615, -122.71171) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.pressdemocrat.com/article/news/rohnert-park-roundabout-completed-opens-wednesday/?artslide=0
Fountain Valley, CA
Orange Co.
United States 		(unknown) / (unknown)
(33.72539, -117.95204) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Buena Park, CA
Orange Co.
United States 		Lakeside Dr.
(33.87506, -117.98083) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Connection to multiuse path.
Shasta Hanchett Park, CA
Santa Clara Co.
United States 		Tillman Ave. / Hanchett Ave.
(37.32998, -121.91643) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Shasta Hanchett Park, CA
Santa Clara Co.
United States 		Martin Ave. / Sequoia Ave.
(37.33046, -121.91387) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Shasta Hanchett Park, CA
Santa Clara Co.
United States 		Martin Ave. / Tillman Ave.
(37.32929, -121.91560) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Shasta Hanchett Park, CA
Santa Clara Co.
United States 		Tillman Ave. / Sierra Ave.
(37.32858, -121.91476) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Shasta Hanchett Park, CA
Santa Clara Co.
United States 		Tillman Ave. / Yosemite Ave.
(37.32791, -121.91395) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Laguna, CA
Sacramento Co.
United States 		Coney Island Circle
(38.40992, -121.47661) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
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.
Anaheim, CA
Orange Co.
United States 		S Manchester Ave.
(33.80065, -117.90323) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
San Diego, CA
San Diego Co.
United States 		Central Ave. / Landis St.
(32.74593, -117.10821) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-Lane 		2022
San Diego, CA
San Diego Co.
United States 		Landis St. / 41st St.
(32.74591, -117.10699) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2021 Painted splitter islands. https://www.facebook.com/story.php/?story_fbid=4970374723032587&id=1462392140497547
San Diego, CA
San Diego Co.
United States 		Landis St. / 42nd St.
(32.74588, -117.10452) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2021 Painted splitter islands.
San Diego, CA
San Diego Co.
United States 		W Point Loma Blvd. / Bacon St. / Levee St.
(32.75330, -117.24549) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
19.8120 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2022 https://www.youtube.com/watch?v=PrXLfuEFHCE
San Diego, CA
San Diego Co.
United States 		Meade Ave. / Marlborough Ave.
(32.75707, -117.10613) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-Lane 		2021 Painted splitter islands on north and south legs. Pedestrian crossings adjacent to circulatory roadway on east and south legs.
San Diego, CA
San Diego Co.
United States 		Meade Ave. / Central Ave.
(32.75713, -117.10825) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-Lane 		2021 Painted splitter island on north leg. One-way street entrance on south leg.
San Diego, CA
San Diego Co.
United States 		Meade Ave. / 39th St.
(32.75712, -117.11041) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-Lane 		2021 Painted splitters and pedestrian crossings adjacent to circulatory roadway on north and south legs.
San Diego, CA
San Diego Co.
United States 		Meade Ave. / Swift Ave.
(32.75719, -117.11900) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.8600 		Other (At-Grade)
Single-Lane 		2020 Painted splitter islands on north and south legs.
San Diego, CA
San Diego Co.
United States 		Meade Ave. / 34th St.
(32.75722, -117.12007) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-Lane 		2020 Painted splitter islands on north and south legs.
San Diego, CA
San Diego Co.
United States 		Meade Ave. / Utah St.
(32.75727, -117.13268) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2020 Painted splitter islands and pedestrian crossings adjacent to circulatory roadway on north and south legs.
San Diego, CA
San Diego Co.
United States 		Wightman St. / 35th St.
(32.74790, -117.11810) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2022 Painted splitter island on north leg.
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
(unincorporated), CA
Plumas Co.
United States 		SR 36 / CR A13
(40.30580, -121.14170) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2024 South leg disconnected from existing TWSC intersection and shifted about 250 feet east along SR 36 to make two T-intersections. Roundabout designed for OSOW vehicles along SR 36. https://www.facebook.com/story.php?story_fbid=122177854508225216&id=61556756493806&_rdr
Dinuba, CA
Tulare Co.
United States 		S Alta Ave. (Road 80) / Kamm Ave. / Avenue 408
(36.53132, -119.39494) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2024 https://www.facebook.com/4Creeks/videos/were-thrilled-to-celebrate-the-completion-of-the-kamm-avenue-alta-avenue-roundab/902472428667758/
Chico, CA
Butte Co.
United States 		Memorial Way / Oleander Ave.
(39.73345, -121.84053) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2024 https://www.actionnewsnow.com/news/reducing-traffic-delays-in-chico/article_a82aa638-8bdb-11ef-9b56-1321e390d324.html
(unincorporated), CA
Kern Co.
United States 		SR 223 (E Bear Mountain Blvd.) / SR 184 / N Wheeler Ridge Rd.
(35.20859, -118.91460) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2022 https://bakersfieldnow.com/news/local/caltrans-to-begin-roundabout-construction-on-bear-mountain-blvd
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
Bakersfield, CA
Kern Co.
United States 		Wings Way / Citation Way
(35.43966, -119.05212) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2019 Marked with double left turns but only one receiving exit lane. Year Completed estimated (2018-2020).
Bakersfield, CA
Kern Co.
United States 		Highgate Park Blvd. / Pemberley Passage Ave.
(35.33797, -119.16322) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2017-2018).
Bakersfield, CA
Kern Co.
United States 		Pemberley Passage Ave. / Hovington Ave.
(35.33823, -119.15104) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2016).
Bakersfield, CA
Kern Co.
United States 		Windermere St. / Muirlands Pkwy. / Brentmoor Cir.
(35.31845, -119.13707) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2020).
Fresno, CA
Fresno Co.
United States 		E Fancher Creek Dr. / N Armstrong Ave.
(36.74138, -119.67865) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2020
Fresno, CA
Fresno Co.
United States 		N Alicante Dr. / Crest View Dr.
(36.90734, -119.74334) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
2 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2017-2018).
Merced, CA
Merced Co.
United States 		E Yosemite Ave. / Campus Pkwy.
(37.33240, -120.42433) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2022 Year Completed estimated (2021-2022).
Merced, CA
Merced Co.
United States 		Pacific Dr. / El Redondo Dr.
(37.33543, -120.49525) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2004-2005).
Merced, CA
Merced Co.
United States 		Pacific Dr. / Horizons Ave.
(37.33557, -120.48947) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005).
Merced, CA
Merced Co.
United States 		El Redondo Dr. / Lehigh Dr.
(37.33927, -120.49535) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2006
Turlock, CA
Stanislaus Co.
United States 		N Berkeley Ave. / Dancer Way
(37.53472, -120.83029) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2006 2007 or earlier (SV)
Turlock, CA
Stanislaus Co.
United States 		N Berkeley Ave. / E Springer Dr.
(37.53121, -120.83042) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2006
Turlock, CA
Stanislaus Co.
United States 		N Berkeley Ave. / Chandler Dr.
(37.52638, -120.83061) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2006
Ceres, CA
Stanislaus Co.
United States 		El Camino Ave. / Park St. / Pine St.
(37.58840, -120.95189) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2021 Striped out shoulders on outside of each entry lane. https://www.cerescourier.com/news/local/pine-street-roundabout-work-starts/
Modesto, CA
Stanislaus Co.
United States 		Student Center Dr. / 6th St.
(37.66402, -121.03414) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2017 Y-shaped intersection. Bike lane striped in circulatory roadway. 28181.
Modesto, CA
Stanislaus Co.
United States 		6th St. / B St.
(37.66152, -121.03413) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2017 On campus of Modesto Junior College West Campus. Bike lanes striped within circulatory roadway. Year Completed estimated (2016-2017).
Modesto, CA
Stanislaus Co.
United States 		4th St. / E St.
(37.66411, -121.03798) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2017 On campus of Modesto Junior College West Campus. Bike lanes striped in circulatory roadway. Painted splitter island on south leg. Year Completed estimated (2016-2017).
Modesto, CA
Stanislaus Co.
United States 		Hillglen Ave. / Sorrel Wood Dr.
(37.68533, -120.95336) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2010
Modesto, CA
Stanislaus Co.
United States 		Kodiak Dr. / Lincoln Oak Dr.
(37.68164, -120.94799) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2015-2016).
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).
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).
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).
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 		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).
Stockton, CA
San Joaquin Co.
United States 		Ocean Mist Way / A G Spanos Blvd.
(38.05497, -121.34964) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2006
Stockton, CA
San Joaquin Co.
United States 		Breaker Way / Sand Castle Way
(38.05649, -121.34750) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2006
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
Sacramento, CA
Sacramento Co.
United States 		New Market Dr. / Town Center Dr.
(38.65823, -121.52205) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Single-Lane 		2002 Bike lane around circulatory roadway. East leg added 2019-2020.
Windsor, CA
Sonoma Co.
United States 		Windsor River Rd. / Windsor Rd.
(38.54725, -122.81687) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling all approaches) 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 Rail line through central island.
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
Tracy, CA
San Joaquin Co.
United States 		W Byron Rd. / W Grant Line Rd.
(37.75831, -121.49221) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2018 Temporary installation using striping and raised dividers and barriers.
Lincoln, CA
Placer Co.
United States 		E Joiner Pkwy. / Fieldstone Dr.
(38.84770, -121.28659) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 Yield-controlled right-turn bypass lane on northwest leg. https://www.lincolnca.gov/en/our-government/east-joiner-parkway-widening-project.aspx
Rocklin, CA
Placer Co.
United States 		Whitney Ranch Pkwy. / W Oaks Blvd. / Songbird Way
(38.83190, -121.26676) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Roseville, CA
Placer Co.
United States 		Campus Pkwy. / Crimson Ridge Way
(38.78933, -121.32544) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2017-2018).
Big Bear Lake, CA
San Bernardino Co.
United States 		Moonridge Rd. / Elm St.
(34.24075, -116.87464) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 https://www.youtube.com/watch?v=wfZy_7SYJvg (starts at 1:10)
Big Bear Lake, CA
San Bernardino Co.
United States 		Moonridge Rd. / Rathbun Dr. / Club View Dr.
(34.23967, -116.86952) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 Peanut shaped. https://www.youtube.com/watch?v=wfZy_7SYJvg (starts at 2:10)
Fillmore, CA
Ventura Co.
United States 		Heritage Valley Pkwy. / Central Ave.
(34.39351, -118.91237) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2021 Painted splitter islands. Initial unfinished construction around 2014. Year Completed estimated (2021-2022).
Fillmore, CA
Ventura Co.
United States 		Heritage Valley Pkwy. / Mountain View St.
(34.39380, -118.90777) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2020 Painted splitter islands on west and southeast legs. Initially constructed as traffic circle with pedestrian access to central island. Year Completed estimated (2019-2021).
Madera, CA
Madera Co.
United States 		Root Creek Pkwy. W / Riverstone Blvd. SE
(36.91441, -119.80757) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2020).
Madera, CA
Madera Co.
United States 		Riverstone Blvd. SE / Market Ave. W
(36.91787, -119.80758) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2020).
Madera, CA
Madera Co.
United States 		Market Ave. W / Mission Dr.
(36.91788, -119.81209) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2020).
Madera, CA
Madera Co.
United States 		Riverstone Blvd. SW / Market Ave. W
(36.91791, -119.81547) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2020 Year Completed estimated (2018-2020).
Madera, CA
Madera Co.
United States 		Market Ave. W / Lodge Rd.
(36.91915, -119.80219) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2017
Madera, CA
Madera Co.
United States 		Root Creek Pkwy. W / Riverstone Blvd. SW
(36.90613, -119.81664) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2021-2022).
Woodlake, CA
Tulare Co.
United States 		E Sierra Ave. / Castle Rock St.
(36.42102, -119.08984) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2022
Redding, CA
Shasta Co.
United States 		S Bonnyview Rd. / Bechelli Ln.
(40.53910, -122.35470) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 Serves as a primary intersection for a Costco store. https://krcrtv.com/news/local/south-bonnyview-and-bechelli-lane-roadabout-update
Camino, CA
El Dorado Co.
United States 		Pondorado Rd. / (US 50 underpass) / (future road)
(38.73683, -120.70547) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 North leg passes under US 50. Future east leg not built. https://dot.ca.gov/caltrans-near-me/district-3/d3-projects/d3-us-50-camino-safety-4e620
Woodland, CA
Yolo Co.
United States 		Road 25A / Parkland Ave.
(38.64099, -121.74450) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2020
Woodland, CA
Yolo Co.
United States 		Road 25A / Miekle Ave.
(38.64078, -121.73624) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2020-2021).
Woodland, CA
Yolo Co.
United States 		Hunt St. / Heritage Pkwy.
(38.64945, -121.74580) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2020).
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
Santa Clara, CA
Santa Clara Co.
United States 		(shopping center entrance) / (parking)
(37.35667, -121.93755) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2880 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2022 https://www.svvoice.com/coleman-costco-installing-roundabout/
Truckee, CA
Nevada Co.
United States 		Cold Creek Cir. / Summer Camp Way
(39.32143, -120.22793) 		Unknown
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Truckee, CA
Nevada Co.
United States 		Donner Pass Rd. / Cold Stream Rd. / I-80 EB Ramps
(39.32359, -120.22747) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2021
Folsom, CA
Sacramento Co.
United States 		Grand Prairie Rd. / Rustic Ridge Dr.
(38.63617, -121.09165) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019).
Folsom, CA
Sacramento Co.
United States 		Grand Prairie Rd. / Rustic Ridge Dr. / Alder Creek Pkwy
(38.64059, -121.09212) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019).
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.
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
San Juan Bautista, CA
San Benito Co.
United States 		SR 156 (San Juan Hollister Rd.) / Bixby Rd.
(36.84096, -121.49042) 		Roundabout
Unknown 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
68.2749 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		ICD 224 ft x 211 ft. Anticipated opening year in 2025.
Castroville, CA
Monterey Co.
United States 		(unknown) / SR 156 EB Ramps
(36.76908, -121.73823) 		Roundabout
Unknown 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
41.7573 		Freeway Ramps (Grade-Separated)
Single-Lane 		Anticipated opening year 2025. Future 3rd leg is planned to connect to BlackieRd.