| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Kelowna,
                BC Central Okanagan Canada | Valley Rd. / Longhill Rd. / Cross Rd. (49.92019, -119.43406) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 16.9174 | Other (At-Grade) Single-Lane | 2016 | Elliptical shape. ICD estimated from Google Maps linework. | 
| 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). | 
| Kelowna,
                BC Central Okanagan Canada | Union Rd. / Upper Canyon Dr. N (49.93787, -119.44304) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.0000 | Other (At-Grade) Single-Lane | 2012 | Elliptical shaped. ICD = 33 m x 29 m. | 
| Reedley,
                CA Fresno Co. United States | Reed Ave. / North Ave. / I St. (36.60072, -119.45756) | Roundabout Existing | All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) | 3 Approaches 2 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2017 | Right-turn-only lane on southwest leg. Roundabout is approximately 100 feet from at-grade railroad crossing on southwest leg. A signalized intersection is approximately 60 feet from the at-grade rail crossing on the other side of the rail crossing. The two legs of the roundabout not crossing the railroad tracks have train-activated flashing red beacons requiring traffic to stop when flashing. | 
| Kelowna,
                BC Central Okanogan Canada | Burtch Rd. / Byrns Rd. (49.87102, -119.46580) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.1717 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Kelowna,
                BC Central Okanogan Canada | Swamp Rd. / Casorso Rd. (49.84534, -119.46640) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 23.1050 | Other (At-Grade) Single-Lane | 2007 | ICD estimated from Google Maps linework. | 
| Kelowna,
                BC Central Okanogan Canada | Benvoulin Rd. / Casorso Rd. (49.84882, -119.46910) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.1952 | Other (At-Grade) Single-Lane | 2007 | ICD estimated from Google Maps linework. | 
| Benton City,
                WA Benton Co. United States | SR 224 / SR 225 / I-82 WB Ramps (46.25173, -119.47550) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.2934 | Freeway Ramps (Grade-Separated) Single-Lane | 2016 | Replaced two close-spaced stop-controlled intersections. Open June 2016. ICD estimated from Google Maps linework. | 
| Kelowna,
                BC Central Okanagan Canada | Lakeshore Rd / Lexington Dr / Bluebird Rd (49.83988, -119.48868) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.1886 | Other (At-Grade) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| Kelowna,
                BC Central Okanagan Canada | Lakeshore Rd / Collett Rd (49.81669, -119.49483) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 24.6599 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Kelowna,
                BC Central Okanagan Canada | Water St. / Doyle Ave. (49.88897, -119.49660) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 25.3925 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Kelowna,
                BC Central Okanagan Canada | Water St. / Queensway Transit Exchange (49.88734, -119.49663) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 31.5494 | Other (At-Grade) Single-Lane | 2014 | Running Man statue in central island. ICD estimated from Google Maps linework. | 
| North Fork,
                CA Madera Co. United States | Road 225 / Road 274 / Mono Dr. (Road 228) (37.22932, -119.50421) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | Previous control: 3-way stop. https://www.facebook.com/MaderaCounty/posts/progress-as-promised-below-is-an-update-regarding-the-north-fork-roundabout-1-st/2741408939281036/ | 
| Prather,
                CA Fresno Co. United States | SR 168 (Morgan Canyon Rd.) / Auberry Rd. / (parking lot) / (parking lot) (37.03726, -119.51426) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 41.9481 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| 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 | 
| Kelowna,
                BC Central Okanagan Canada | Campbell Rd. / Hwy 97 SB Ramps (49.87891, -119.52320) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 40.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2008 | Year Completed estimated (2006-2009). | 
| West Kelowna,
                BC Central Okanagan Canada | Campbell Rd. / Hwy 97 NB Ramps (49.87847, -119.52412) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 40.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2008 | Year Completed estimated (2006-2009). | 
| Kelowna,
                BC Central Okanagan Canada | Westside Rd. / Hwy 97 NB Ramps / Sneena Rd. (49.88127, -119.53424) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.8621 | Freeway Ramps (Grade-Separated) Single-Lane | 2011 | Right-turn only lane on northwest leg. ICD estimated from Google Maps linework. | 
| Corcoran,
                CA Kings Co. United States | SR 43 / SR 137 / Whitley Ave. (36.09805, -119.54584) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 46.3214 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Ephrata,
                WA Grant Co. United States | SR 282 / Dodson Rd. / A St. SE (47.30659, -119.55504) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2019 | Lane line extensions over exits. http://www.ifiberone.com/columbia_basin/ephrata-roundabout-drastically-reduces-collisions-17-months-after-its-completion/article_e3201c6e-0818-11eb-9a93-572d8357bf49.html | 
| West Kelowna,
                BC Central Okanagan Canada | Boucherie Rd. / Hudson Rd. (49.86237, -119.55533) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 35.0000 | Other (At-Grade) Single-Lane | 2018 | https://www.bclocalnews.com/news/big-west-kelowna-road-project-just-about-finished/ | 
| West Kelowna,
                BC Central Okanagan Canada | Boucherie Rd. / Anders Rd. / Cordova Way (49.86052, -119.55562) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0000 | Other (At-Grade) Single-Lane | 2018 | No splitter island on west leg. https://www.bclocalnews.com/news/big-west-kelowna-road-project-just-about-finished/ | 
| West Kelowna,
                BC Central Okanagan Canada | Westlake Rd. / Stevens Rd. (49.86593, -119.56604) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2014 | Year Completed estimated (2013-2014). | 
| 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= | 
| Penticton,
                BC Okanagan-Similkameen Canada | S Main St. / Galt Ave. / Pineview Rd. (49.46931, -119.58105) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2023 | Oval shaped. https://www.penticton.ca/city-services/roadwork-construction/point-intersection-construction | 
| Yosemite National Park,
                CA Mariposa Co. United States | Northside Dr. / Village Dr. (37.74508, -119.58351) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2017 | https://goldrushcam.com/sierrasuntimes/index.php/news/local-news/9914-yosemite-national-park-implements-a-new-roundabout-in-the-yosemite-village-parking-area | 
| West Kelowna,
                BC Central Okanagan Canada | Bartley Rd. / Shannon Lake Rd. / Stevens Rd. (49.86466, -119.58788) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2022 | Previous control type: 3-way stop (south leg uncontrolled). https://www.ourwk.ca/shannon-lake-roundabout | 
| Penticton,
                BC Okanagan-Similkameen Regional District Canada | Ellis St. / Vancouver Ave. / Marina Way (49.50304, -119.59060) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 29.4730 | Other (At-Grade) Single-Lane | 2004 | Signed to have trucks make 270-degree turn to turn right. ICD estimated from Google Maps linework. | 
| Hanford,
                CA Kings Co. United States | SR 43 / Lacey Blvd. (36.32910, -119.60098) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 42.3361 | Other (At-Grade) Single-Lane | 2016 | The previously signalized intersection of SR 43 and Lacey Blvd was relocated north and replaced with a roundabout. It is designed for a future east leg when the realignment of the east leg of Lacey Blvd occurs. There are bypass lanes in the NW and SW corners, and there is a NB right-turn lane into the roundabout. ICD estimated from Google Maps linework. | 
| Penticton,
                BC Okanagan-Similkameen Canada | Power St. / Wade Ave. / Vees Dr. / Park Dr. (49.49474, -119.60266) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2007 | Year Completed estimated (2004-2009) | 
| West Kelowna,
                BC Central Okanagan Canada | Carrington Rd. / Butt Rd. / Sonoma Pines Dr. (49.83516, -119.61381) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2020 | http://www.sonomapines.ca/roundabout-construction-september-18-to-november-2020/ | 
| West Kelowna,
                BC Central Okanagan Canada | Louie Dr. / Butt Rd. (49.83687, -119.61698) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.0000 | Other (At-Grade) Single-Lane | 2008 | Right-turn bypass lane on west leg due to skew. Year Completed estimated (2006-2009). | 
| West Kelowna,
                BC Central Okanagan Canada | Shannon Lake Rd. / Asquith Rd. / Asquith Ct. (49.85115, -119.61874) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2024 | https://www.kelownanow.com/watercooler/news/news/West_Kelowna/New_roundabout_on_Shannon_Lake_Road_set_to_open_this_week/#fs_141439 | 
| West Kelowna,
                BC Central Okanagan Canada | Gellatly Rd. / Carrington Rd. (49.82979, -119.62127) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2021 | https://www.facebook.com/cityofwestkelowna/videos/5841425775929942/ | 
| Boardman,
                OR Morrow Co. United States | Internet Pkwy. / (unknown) (45.85677, -119.63020) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 83.8200 | Other (At-Grade) Single-Lane | 2014 | Year Completed estimated (2013-2015). | 
| 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 | 
| 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 | 
| Santa Barbara,
                CA Santa Barbara Co. United States | Cabrillo Blvd. / Coast Village Rd. / Hot Springs Rd. (34.42272, -119.65268) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | |
| West Kelowna,
                BC Central Okanagan Canada | Lower Glenrosa Rd. / Webber Rd. (49.82860, -119.65352) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 23.0000 | Other (At-Grade) Single-Lane | 2016 | Painted splitter islands. Year Completed estimated (2015-2016). | 
| West Kelowna,
                BC Central Okanagan Canada | Glenrosa Rd. / Webber Rd. (49.82680, -119.65425) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2019 | Year Completed estimated (2018-2019). https://infotel.ca/newsitem/work-starting-on-a-big-new-glenrosa-housing-project/it58137 | 
| 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/ | 
| Clovis,
                CA Fresno Co. United States | N Temperance Ave. / Alluvial Ave. / Owens Mountain Pkwy (36.84530, -119.66543) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | |
| Fresno,
                CA Fresno Co. United States | N Saddleback Ave. / E Dayton Ave. (36.78261, -119.66915) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2007 | Painted splitter island on one leg. | 
| Clovis,
                CA Fresno Co. United States | Deauville Cir. / Armstrong Ave. (36.86322, -119.67286) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 58.2883 | Other (At-Grade) Single-Lane | 2000 | Pedestrian crossing next to circulatory roadway. ICD estimated from Google Maps linework. | 
| Santa Barbara,
                CA Santa Barbara Co. United States | Alameda Padre Serra / Montecito St. / Salinas St. / Sycamore Canyon Rd. (34.42903, -119.67720) | Roundabout Existing | All-Way Yield None | 5 Approaches 1 Driveways 23.6427 | Other (At-Grade) Single-Lane | 1992 | Includes driveway into roundabout serving one home. ICD estimated from Google Maps linework. | 
| Santa Barbara,
                CA Santa Barbara Co. United States | Milpas St. / US 101 NB Ramps / Carpinteria St. (34.42073, -119.67765) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 62.4840 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2000 | Oblong shaped. ICD = 250 ft x 125 ft. Completed April 2000. Experienced one single-vehicle fatality (date unknown). 11861-05. | 
| Summerland,
                BC Okanagan-Similkameen Canada | Rosedale Ave. / Jubilee Rd. / Peacj Orchard Rd. (49.60443, -119.67769) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.0899 | Other (At-Grade) Single-Lane | 2010 | ICD estimated from Google Maps linework. | 
| Summerland,
                BC Okanagan-Similkameen Canada | Prairie Valley Rd. / Rosedale Ave. / Wharton St. (49.60060, -119.67782) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 16.2552 | Other (At-Grade) Single-Lane | 2010 | ICD estimated from Google Maps linework. | 
| 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 | |
| Summerland,
                BC Okanagan-Similkameen Canada | Prairie Valley Rd. / Victoria Rd. S (49.59775, -119.68098) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 26.3195 | Other (At-Grade) Single-Lane | 2014 | Oval shape. Year Completed estimated (2012-2015). ICD estimated from Google Maps linework. | 
| Fresno,
                CA Fresno Co. United States | N Fowler Ave. / E Fancher Creek Dr. (36.73915, -119.68213) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 50.7261 | Other (At-Grade) Single-Lane | 2012 | Yield-controlled right-turn bypass lane on north leg. Fourth approach stubbed. Staggered pedestrian crossings. ICD estimated from Google Maps linework. | 
| Hanford,
                CA Kings Co. United States | Hanford Armona Rd. / SR 198 WB On-Ramp / 13th Ave. (36.31440, -119.69355) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 53.8925 | Freeway Ramps (Grade-Separated) Single-Lane | 2018 | WB bypass lane. ICD estimated from Google Maps linework. | 
| Sparks,
                NV Washoe Co. United States | Vista Heights Dr. / Earthstone Dr. (39.58417, -119.69387) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | No splitter islands. | |
| Sparks,
                NV Washoe Co. United States | Los Altos Pkwy. / Belmar Dr. (39.57249, -119.69408) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2007 | Year Completed estimated (2007-2008). | 
| Sparks,
                NV Washoe Co. United States | Wingfield Hills Rd. / (parking) (39.60909, -119.69780) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Year Completed estimated (2007-2010). | 
| Sparks,
                NV Washoe Co. United States | La Posada Dr. / Omni Dr. / Stonebrook Pkwy. (39.63607, -119.69943) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | |
| Sparks,
                NV Washoe Co. United States | Los Altos Pkwy. / Vista Heights Dr. (39.57929, -119.70038) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2005 | Year Completed estimated (2004-2006). | 
| Sparks,
                NV Washoe Co. United States | S.D. Andrea Pkwy. / San Marino Dr. (39.55103, -119.70213) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | No splitter islands on three legs. | |
| Boardman,
                OR Morrow Co. United States | Tatone St. / City Center Dr. (45.83253, -119.70259) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 43.2722 | Other (At-Grade) Single-Lane | 2002 | ICD estimated from Google Maps linework. | 
| Sparks,
                NV Washoe Co. United States | N D'Andrea Pkwy. / Amore Dr. (39.55847, -119.70259) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2002 | |
| Sparks,
                NV Washoe Co. United States | N D'Andrea Pkwy. / San Marino (39.55763, -119.70347) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2000 | Painted splitter islands on east and south legs. Oval shaped. ICD = 100 ft x 85 ft. Year Completed estimated (1999-2002). | 
| Virginia Footills,
                NV Washoe Co. United States | Bucephalus Pkwy. / Burmese Ln. / Show Jumper Ln. (39.43756, -119.70732) | Other Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands on north and south legs. | |
| Sparks,
                NV Washoe Co. United States | La Posada Dr. / Rockwell Blvd. (39.63617, -119.70848) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Year Completed estimated (2007-2010). | 
| Virginia Footills,
                NV Washoe Co. United States | McCauley Ranch Blvd. / Gold Mine Dr. (39.42575, -119.70909) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2007 | Painted splitter islands on all legs. | 
| Pioneer Meadows,
                NV Washoe Co. United States | Wingfield Hills Rd. / Lazy Pkwy. / (unknown) (39.61466, -119.70987) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2019 | Year Completed estimated (2018-2020). | 
| Virginia Footills,
                NV Washoe Co. United States | Bucephalus Pkwy. / Show Jumper Ln. (39.43790, -119.71097) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2015 | Painted splitter islands on north and south legs. Year Completed estimated (2014-2015). | 
| Riviera,
                CA Santa Barbara Co. United States | Mountain Dr. / Mission Ridge Rd. (34.44102, -119.71150) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 9.1440 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2007 | Central island is painted only, similar to UK practice. Two approaching streets are only separated by a retaining wall. Year Completed estimated (2006-2007). | 
| Gardnerville,
                NV Douglas Co. United States | Muller Pkwy. / Pinenut Rd. (38.91887, -119.71378) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | West leg stubbed. | 
| Spanish Springs,
                NV Washoe Co. United States | Eagle Canyon Dr. / Palm Springs Dr. (39.63951, -119.71404) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8637 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | |
| Reno,
                NV Washoe Co. United States | Burghley Ln. / Kerrydale Ct. (39.43443, -119.71424) | Other Existing | Unknown Unknown | 2 Approaches 5 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Virginia Footills,
                NV Washoe Co. United States | Buchephalus Pkwy. / Copenhagen Way / Bonfire Ln. (39.43838, -119.71442) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Virginia Footills,
                NV Washoe Co. United States | Burghley Ln. / Calais Ln. (39.43197, -119.71530) | Unknown Existing | Unknown Unknown | 3 Approaches 4 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Spanish Springs,
                NV Washoe Co. United States | Eagle Canyon Dr. / Ember Dr. / Neighborhood Way (39.64158, -119.71846) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2007 | |
| Sparks,
                NV Washoe Co. United States | Lazy Pkwy. / Kiley Pkwy. (39.61527, -119.71852) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2020 | Vane islands between entry lanes on east and west legs. Year Completed estimated (2018-2020). | 
| The Legends at Sparks Marina,
                NV Washoe Co. United States | E Lincoln Way / George Ferris Dr. / Scheels Dr. (39.53367, -119.71882) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 68.1634 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Year Completed estimated (2007-2010). ICD estimated from Google Maps linework. | 
| Sparks,
                NV Washoe Co. United States | Windmill Farms Pkwy. / Kiley Pkwy. (39.60860, -119.72023) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2017 | |
| The Legends at Sparks Marina,
                NV Washoe Co. United States | E Lincoln Way / Legends Bay Dr. (39.53584, -119.72049) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 43.2916 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Year Completed estimated (2007-2010). ICD estimated from Google Maps linework. | 
| Clovis,
                CA Fresno Co. United States | W Magill Ave. / N Helm Ave. (36.83607, -119.72313) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.7207 | Other (At-Grade) Single-Lane | 2004 | ICD estimated from Google Maps linework. | 
| Sparks,
                NV Washoe Co. United States | David Allen Pkwy. / (unknown) (39.61225, -119.72510) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Year Completed estimated (2007-2010). | 
| Sparks,
                NV Washoe Co. United States | Kiley Pkwy. / Henry Orr Pkwy. (39.60391, -119.72516) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2006 | |
| Clovis,
                CA Fresno Co. United States | W Magill Ave. / N Timmy Ave. (36.83606, -119.72642) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 25.8089 | Other (At-Grade) Single-Lane | 2004 | ICD estimated from Google Maps linework. | 
| Sparks,
                NV Washoe Co. United States | David Allen Pkwy. / Windmill Farms Pkwy. (39.60954, -119.72656) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Year Completed estimated (2007-2010). | 
| Clovis,
                CA Fresno Co. United States | N Timmy Ave. / W Heritage Ave. (36.85883, -119.72723) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 21.0232 | Other (At-Grade) Single-Lane | 2001 | ICD estimated from Google Maps linework. | 
| Clovis,
                CA Fresno Co. United States | N Timmy Ave. / W Quincy Ave. (36.85710, -119.72725) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.7574 | Other (At-Grade) Single-Lane | 2001 | ICD estimated from Google Maps linework. | 
| Clovis,
                CA Fresno Co. United States | N Timmy Ave. / W Enterprise Ave. (36.85538, -119.72726) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 22.9355 | Other (At-Grade) Single-Lane | 2001 | ICD estimated from Google Maps linework. | 
| Sparks,
                NV Washoe Co. United States | Kiley Pkwy. / David Allen Pkwy. (39.60447, -119.72738) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 53.3400 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | |
| Carson City,
                NV Carson City Co. United States | E 5th St. / Fairview Dr. (39.16090, -119.72790) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 1999 | |
| Sparks,
                NV Washoe Co. United States | Kiley Pkwy. / (unknown) (39.60322, -119.73161) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2006 | |
| Fresno,
                CA Fresno Co. United States | N Chestnut Ave. / E Barstow Ave. (36.81584, -119.73618) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 35.3771 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Year Completed estimated (2006-2009). ICD estimated from Google Maps linework. | 
| Fresno,
                CA Fresno Co. United States | N Chesnut Ave. / E Campus Pointe Dr. (36.81225, -119.73626) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 35.3788 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Year Completed estimated (2006-2009). ICD estimated from Google Maps linework. | 
| Santa Barbara,
                CA Santa Barbara Co. United States | Cliff Dr. / Las Positas Rd. (34.40523, -119.73918) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 29.5619 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Reno,
                NV Washoe Co. United States | SR 341 (Geiger Grade Rd.) / Veterans Pkwy. / (parking) (39.40271, -119.74165) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 62.4840 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | Double left (left, left-through-right) on south leg; double right (left-through-right, right) on west leg. | 
| 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). | 
| Fresno,
                CA Fresno Co. United States | E Copper River Ave. / N Knotting Hill Dr. / N Maple Ave. (36.89703, -119.74733) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 32.4742 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Carson City,
                NV Carson City Co. United States | Northridge Dr. / Spooner Dr. (39.18150, -119.74896) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 99.9997 | Other (At-Grade) Single-Lane | 1997 | Painted splitter islands on Northridge approaches. Year Completed estimated (1994-1999). | 
| Carson City,
                NV Carson City Co. United States | Northridge Dr. / Carriage Crest Dr. (39.18290, -119.75077) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 24.3840 | Other (At-Grade) Single-Lane | 1997 | Year Completed estimated (1994-1999). | 
| Reno,
                NV Washoe Co. United States | Herz Blvd. / Summit Sierra Blvd. (39.40118, -119.75215) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Concentric circulatory roadway striping. Year Completed estimated (2004-2006). | 
| Fresno,
                CA Fresno Co. United States | N Alicante Dr. / E Clubhouse Dr. (36.90335, -119.75341) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.4266 | Other (At-Grade) Single-Lane | 2006 | There's a stub for a fourth leg. ICD estimated from Google Maps linework. | 
| Carson City,
                NV Carson City Co. United States | Northridge Dr. / Tablerock Dr. (39.18460, -119.75685) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.9080 | Other (At-Grade) Single-Lane | 1999 | Year Completed estimated (1994-1999). | 
| Fresno,
                CA Fresno Co. United States | N Alicante Dr. / E Copper River Ave. (36.90089, -119.75861) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.3378 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. |