| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Dinuba,
                CA Tulare Co. United States  | 
            
                Nebraska Ave. (Avenue 424) / N Alta Ave. (Road 80) (36.56040, -119.39519)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 48.7680  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | https://www.facebook.com/cityofdinuba/videos/the-alta-nebraska-roundabout-project-is-completed-and-the-roadway-is-now-openthi/779884746555640/ | 
| 
                Dinuba,
                CA Tulare Co. United States  | 
            
                Ridge Creek Dr. / Ridge Creek Estates Way (36.54539, -119.43504)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 48.7680  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Year Completed estimated (2006-2009). | 
| 
                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 | |
| 
                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  |   
            ||
| 
                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). | 
| 
                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. | |
| 
                Castroville,
                CA Monterey Co. United States  | 
            
                (unknown) / SR 156 WB Ramps (36.77058, -121.73771)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 53.3400  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            Anticipated opening year 2025. | |
| 
                Castroville,
                CA Monterey Co. United States  | 
            
                Castroville Blvd. / (unknown) (36.77419, -121.74051)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 49.3776  | 
            
                Other (At-Grade) Single-Lane  |   
            Anticipated opening year 2025. | |
| 
                Fisherman Flats,
                CA Monterey Co. United States  | 
            
                SR 68 / Josselyn Canyon Rd. (36.58359, -121.85655)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 46.7868  | 
            
                Other (At-Grade) Single-Lane  |   
            Anticipated opening year 2029. | |
| 
                Monterey,
                CA Monterey Co. United States  | 
            
                SR 68 / Olmsted Rd. (36.58399, -121.84976)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 46.6344  | 
            
                Other (At-Grade) Single-Lane  |   
            Anticipated opening year 2029. | |
| 
                Del Rey Oaks,
                CA Monterey Co. United States  | 
            
                SR 68 / Canyon del Rey Blvd. / Monterra Rd. (36.58090, -121.82797)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 52.5780  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            Anticipated opening year 2029. | |
| 
                Monterey,
                CA Monterey Co. United States  | 
            
                SR 68 / York Rd. (36.57156, -121.80839)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 46.7868  | 
            
                Other (At-Grade) Single-Lane  |   
            Anticipated opening year 2029. | |
| 
                Salinas,
                CA Monterey Co. United States  | 
            
                SR 68 ./ Pasadera Dr. / Boots Rd. (36.56766, -121.77857)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 46.9087  | 
            
                Other (At-Grade) Single-Lane  |   
            Anticipated opening year 2029. | |
| 
                Salinas,
                CA Monterey Co. United States  | 
            
                SR 68 / Laureles Grade Rd. (36.56964, -121.75566)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 46.5427  | 
            
                Other (At-Grade) Single-Lane  |   
            Future 4th leg connects to Laguna Seca Entrance. Anticipated opening year 2029. | |
| 
                Salinas,
                CA Monterey Co. United States  | 
            
                SR 68 / Corral de Tierra Rd. / Cypress Church Dr. (36.57854, -121.72709)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 46.1772  | 
            
                Other (At-Grade) Single-Lane  |   
            Oval shaped. ICD = 151.5 ft x 141.5 ft. Anticipated opening year 2029. | |
| 
                Salinas,
                CA Monterey Co. United States  | 
            
                SR 68 / San Benancio Rd. (36.57977, -121.72073)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 45.2323  | 
            
                Other (At-Grade) Single-Lane  |   
            Anticipated opening year 2029. | |
| 
                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. | |
| 
                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). | 
| 
                Rocklin,
                CA Placer Co. United States  | 
            
                Rocklin Rd. / Pacific St. (38.79073, -121.23610)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2023 | Yield-controlled right-turn bypass lanes on west and south legs; add-lane right-turn bypass lane on east leg. https://www.rocklin.ca.us/roundabout | 
| 
                Kingsburg,
                CA Fresno Co. United States  | 
            
                S Bethel Ave. / E Conejo Ave. (Sierra St.) (36.51795, -119.57532)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | Fire station in southeast quadrant. https://www.cityofkingsburg-ca.gov/DocumentCenter/View/1930/Kingsburg-Roundabout-4-1-22?bidId= | 
| 
                Encinitas,
                CA San Diego Co. United States  | 
            
                North Coast Highway 101 / El Portal St. (33.05666, -117.29828)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | https://www.encinitasca.gov/government/departments/engineering/capital-improvements/north-highway-101-projects | 
| 
                San Marcos,
                CA San Diego Co. United States  | 
            
                N City Dr. / June Way (33.13429, -117.16177)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 35.0520  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | Yield-controlled right-turn bypass lanes on west and south legs. Year Completed estimated (2018-2019). | 
| 
                San Marcos,
                CA San Diego Co. United States  | 
            
                N City Dr. / Campus Way (33.13473, -117.15999)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.4800  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | |
| 
                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 | 
| 
                Vacaville,
                CA Solano Co. United States  | 
            
                Carroll Way / Primrose Dr. (38.34930, -121.92726)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | Year Completed estimated (2019-2020). | 
| 
                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  |   
            ||
| 
                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. | 
| 
                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). | 
| 
                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) | 
| 
                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 | 
| 
                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. | 
| 
                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 | 
| 
                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 | |
| 
                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 | 
| 
                (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 | 
| 
                El Cajon,
                CA San Diego Co. United States  | 
            
                El Cajon Blvd. / S Johnson Ave. (32.79159, -116.97107)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 32.0040  | 
            
                Other (At-Grade) Single-Lane  |   
            2024 | Peanut shaped. Nodes 105 ft diameter; length 205 ft. https://www.elcajon.gov/your-government/departments/public-works/projects/el-cajon-boulevard-roundabout-and-streetscape | 
| 
                Santa Barbara,
                CA Santa Barbara County United States  | 
            
                E Cabrillo Blvd. / Los Patos Way / Channel Dr. (34.42133, -119.65642)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2025 | https://keyt.com/lifestyle/travel/2025/05/28/new-cabrillo-and-los-patos-roundabout-project-opens-up/ | 
| 
                Vista,
                CA San Diego County United States  | 
            
                Foothill Dr. / Oak Dr. (north) (33.21634, -117.22192)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2025 | Elliptical shaped. Part of closely spaced pair of roundabouts. https://www.youtube.com/watch?v=Imr8lxz23dc | 
| 
                Vista,
                CA San Diego County United States  | 
            
                Foothill Dr. / Oak Dr. (south) (33.21602, -117.22114)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2025 | Part of closely spaced pair of roundabouts. | 
| 
                Escondido,
                CA San Diego Co. United States  | 
            
                E Grand Ave. / Kalmia St. (33.12233, -117.08011)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2025 | https://ols.escondido.org/CivicAlerts.aspx?AID=142 | 
| 
                Palmdale,
                CA Los Angeles Co. United States  | 
            
                E Avenue S8 / 40th St. E (34.54990, -118.05834)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Single-Lane  |   
            2025 | Yield-controlled right-turn bypass lane on south and east legs. https://www.facebook.com/CityofPalmdale/videos/para-espa%C3%B1ol-roundabout-tips-for-a-smoother-rideave-s-8-40th-st-east-is-now-open/3977904792456970/ . | 
| 
                Gustine,
                CA Merced Co. United States  | 
            
                SR 33-SR 140 / 4th St. (37.25362, -120.99742)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2025 | https://www.westsideconnect.com/news/community-news/gustines-first-roundabout-completed-a-new-chapter-for-the-community/ | 
| 
                Tulare,
                CA Tulare Co. United States  | 
            
                SR 137 (E Tulare Ave.) / Morrison St. (36.21093, -119.30330)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 30.4800  | 
            
                Other (At-Grade) Single-Lane  |   
            2025 | https://www.facebook.com/100082142657015/posts/ccme-is-in-the-final-stages-of-the-tulare-avestate-hwy-137-roundabout-project-fo/700819749332774/ | 
| 
                Santa Clarita,
                CA Los Angeles Co. United States  | 
            
                Lost Canyon Rd. / Humphreys Pkwy. / Jakes Way (34.41385, -118.44083)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | Year Completed estimated (2018-2019). | 
| 
                Santa Clarita,
                CA Los Angeles Co. United States  | 
            
                Humphreys Pkwy. (34.41365, -118.43763)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 1 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            No splitter islands. | |
| 
                Santa Clarita,
                CA Los Angeles Co. United States  | 
            
                Grand Ln. / Vista Canyon Rd. (34.41431, -118.43437)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Santa Clarita,
                CA Los Angeles Co. United States  | 
            
                Grand Ln. / Provo Ln. (34.41741, -118.43096)  | 
            
                Other Existing  | 
            
                Uncontrolled Unknown  | 
            
                2 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                (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 |