| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Tumwater,
                WA Thurston Co. United States | Littlerock Rd. SW / Odegard Rd. SW (46.98985, -122.92650) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2010 | June 2010. | 
| Tumwater,
                WA Thurston Co. United States | Littlerock Rd. SW / Kingswood Dr. SW (46.99435, -122.92190) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 42.6720 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2010 | September 2010. | 
| Vancouver,
                WA Clark Co. United States | NE 10th Ave. / NE 136th St. / Clark Ave. (45.71980, -122.66037) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2011 | Clark Ave. is one way exit. May 2011. | 
| Walla Walla,
                WA Walla Walla Co. United States | Myra Rd. / W Pine St. / Heritage Rd. (46.06841, -118.36972) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 56.3880 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2008 | December 2008. | 
| Everett,
                WA Snohomish Co. United States | 13th St. / 1st Ave. (48.00026, -122.21570) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 27.1714 | Other (At-Grade) Single-Lane | 2009 | ICD estimated from Google Maps linework. | 
| Ferndale,
                WA Whatcom Co. United States | I-5 SB Ramps / 2nd St. / Portal Way (48.85686, -122.58840) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.8616 | Other (At-Grade) Single-Lane | 2010 | ICD estimated from Google Maps linework. | 
| San Diego,
                CA San Diego Co. United States | La Jolla Hermosa Ave. / Forward St. (32.81402, -117.26840) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 25.0939 | Other (At-Grade) Single-Lane | 2008 | ICD estimated from Google Maps linework. | 
| Issaquah,
                WA King Co. United States | East Lake Sammamish Parkway / SE 43rd Way (47.56792, -122.05500) | Roundabout Existing | Unknown Unknown | 3 Approaches 0 Driveways 38.6799 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | ICD estimated from Google Maps linework. | 
| San Diego,
                CA San Diego Co. United States | La Jolla Blvd. / Bird Rock Ave. (32.81559, -117.27060) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 21.0785 | Other (At-Grade) Single-Lane | 2008 | Series of 5 roundabouts. ICD estimated from Google Maps linework. | 
| Lake Stevens,
                WA Snohomish Co. United States | Lundeen Parkway / Soper Hill Rd. (48.01557, -122.10010) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 29.5601 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | ICD estimated from Google Maps linework. | 
| San Diego,
                CA San Diego Co. United States | La Jolla Blvd. / Camino de la Costa (32.81756, -117.27190) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 23.0854 | Other (At-Grade) Single-Lane | 2008 | Series of 5 roundabouts. ICD estimated from Google Maps linework. | 
| Ocean Shores,
                WA Grays Harbor Co. United States | Point Brown Ave / Chance a la Mer (47.00745, -124.16140) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 39.9064 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | ICD estimated from Google Maps linework. | 
| San Diego,
                CA San Diego Co. United States | Bird Rock Ave. / Chelsea Ave. (32.81540, -117.27162) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 13.7160 | Other (At-Grade) Single-Lane | 2008 | ICD estimated from Google Earth. | 
| Granite Falls,
                WA Snohomish Co. United States | Granite Falls Access Rd. / Burn Rd. (NE 100th St.) (48.08656, -121.99060) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.2954 | Other (At-Grade) Single-Lane | 2010 | November 2010. ICD estimated from Google Maps linework. | 
| Granite Falls,
                WA Snohomish Co. United States | Granite Falls Access Rd. / Jordan Rd (48.09135, -121.97980) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 55.0445 | Other (At-Grade) Single-Lane | 2010 | November 2010. ICD estimated from Google Maps linework. | 
| Granite Falls,
                WA Snohomish Co. United States | Granite Falls Access Rd. / SR 92 (48.08332, -121.99000) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.2978 | Other (At-Grade) Single-Lane | 2010 | May 2010. ICD estimated from Google Maps linework. | 
| Nassau,
                New Providence Nassau The Bahamas | Nassau St. / Thompson Blvd. / Poinciana Dr. (25.06443, -77.35457) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 51.9293 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Swinomish Tribal Community,
                WA Skagit Co. United States | Knudsen Ln. / Casino Dr. (48.45635, -122.51910) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.2668 | Other (At-Grade) Single-Lane | 2013 | Year Completed estimated (2012-2013). ICD estimated from Google Maps linework. | 
| Yakima,
                WA Yakima Co. United States | E Valley Mall Blvd. / S Rudkin Rd. (46.56300, -120.47520) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 35.3102 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Cheyenne,
                WY Laramie Co. United States | Snyder Ave. / Allison Rd. (41.11004, -104.81910) | Roundabout Existing | All-Way Yield None | 4 Approaches 1 Driveways 27.8958 | Other (At-Grade) Single-Lane | 2008 | South High School is on south leg. Functional Class: Collector ICD estimated from Google Maps linework. | 
| Cheyenne,
                WY Laramie Co. United States | Converse Ave. / Pershing Blvd. / 19th St. (41.14558, -104.78960) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 5 Approaches 0 Driveways 36.8745 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2013 | Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Cheyenne,
                WY Laramie Co. United States | H.R. Ranch Rd. / Judy Lee Dr. (41.12408, -104.73770) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 29.6892 | Other (At-Grade) Single-Lane | 2008 | Functional Class: Collector ICD estimated from Google Maps linework. | 
| Blaine,
                WA Whatcom Co. United States | SR 548 (Grandview Rd.) / Blaine Rd. / (parking) (48.89206, -122.72655) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2010 | September 2010. Merging right-turn bypass lane on south leg. Right-turn-oinly lane on north leg. | 
| Bremerton,
                WA Kitsap Co. United States | Cross SKIA Connector / Harry Earl Rd. (47.50340, -122.75060) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 32.2730 | Other (At-Grade) Single-Lane | 2010 | September 2010. ICD estimated from Google Maps linework. | 
| Burlington,
                WA Skagit Co. United States | N Burlington Blvd. / (parking) (48.48060, -122.33544) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2008 | October 2008. Entrance to high school. | 
| Wenatchee,
                WA Chelan Co. United States | Riverside Dr. / Island View (47.43461, -120.31477) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 19.8120 | Other (At-Grade) Single-Lane | 2009 | Painted splitter islands. October 2009. | 
| East Wenatchee,
                WA Douglas Co. United States | Grant Rd. / Airport Way / Urban Industrial Dr. (47.40592, -120.20780) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2010 | Add-lane right-turn bypass lanes on north and west legs. July 2010. | 
| Woodinville,
                WA King Co. United States | SR 202 / NE 145th St. / 148th Ave. NE (47.73271, -122.14220) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.2440 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2009 | October 2009. | 
| Woodinville,
                WA King Co. United States | SR 202 / Village Dr. / NE 144th St. (47.73111, -122.14040) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.4048 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Constructed as single-lane roundabout in October 2009 and expanded to include second lane northbound in 2021. | 
| Woodinville,
                WA King Co. United States | SR 202 / (parking) (47.73280, -122.14400) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2009 | October 2009. | 
| Woodland,
                WA Cowlitz Co. United States | Insel Rd. / Willow St. (45.92237, -122.73400) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0520 | Other (At-Grade) Single-Lane | 2009 | June 2009. | 
| Woodland,
                WA Cowlitz Co. United States | Dike Access Rd. / Schurman Way / (parking) (45.92664, -122.75957) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2012 | |
| Carmel,
                IN Hamilton Co. United States | Towne Rd. / W 141st St. (39.99182, -86.20277) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2008 | Painted spirals next to central island. | 
| Carmel,
                IN Hamilton Co. United States | Towne Rd. / W 136th St. / Milano Dr. (39.98461, -86.20267) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2009 | Painted spirals next to central island. | 
| Carmel,
                IN Hamilton Co. United States | Towne Rd. / W. Main St. (39.97734, -86.20269) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2009 | Painted spirals next to central island. | 
| Carmel,
                IN Hamilton Co. United States | Towne Rd. / Glebe St. (39.97302, -86.20269) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | |
| Carmel,
                IN Hamilton Co. United States | Towne Rd. / W 126th St. (39.97018, -86.20264) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2007 | Painted spirals next to central island. | 
| Carmel,
                IN Hamilton Co. United States | W 116th St. / Shelbourne Rd. (39.95578, -86.22234) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Single-Lane | 2006 | RRFBs added to north and east single-lane legs in 2024. | 
| Carmel,
                IN Hamilton Co. United States | W 116th St. / W 14th Ave. (39.95591, -86.18405) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.8735 | Other (At-Grade) Single-Lane | 2004 | ICD estimated from Google Maps linework. | 
| Carmel,
                IN Hamilton Co. United States | W 116th St. / Clay Center Rd. (39.95604, -86.17889) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.1974 | Other (At-Grade) Single-Lane | 2008 | ICD estimated from Google Maps linework. | 
| Carmel,
                IN Hamilton Co. United States | W Main St. / W 14th Ave. (39.97756, -86.18355) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.3540 | Other (At-Grade) Single-Lane | 2009 | ICD estimated from Google Maps linework. | 
| Carmel,
                IN Hamilton Co. United States | W Main St. / Clay Center Rd. (39.97760, -86.17952) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 43.0148 | Other (At-Grade) Single-Lane | 2009 | ICD estimated from Google Maps linework. | 
| Carmel,
                IN Hamilton Co. United States | W 106th St. / Spring Mill Rd. (39.94159, -86.16508) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.8806 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Carmel,
                IN Hamilton Co. United States | E 106th St. / Pennsylvania St. (39.94167, -86.15559) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2008 | Yield-controlled right-turn bypass lane on west leg. Painted spirals next to central island. | 
| Carmel,
                IN Hamilton Co. United States | E 103rd St. / N Pennsylvania St. (39.93620, -86.15535) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2007 | Replaced four-legged intersection with stop control on north, west, and east legs. | 
| Westfield,
                IN Hamilton Co. United States | E 151st St. / Carey Rd. (40.00756, -86.10869) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Single-Lane | 2009 | |
| Westfield,
                IN Hamilton Co. United States | E 151st St. / Market Center Dr. (40.00750, -86.09196) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2008 | |
| Estero,
                FL Lee Co. United States | Williams Rd. / Sandy Ln. (26.42030, -81.80675) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.3401 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | ICD estimated from Google Maps linework. | 
| Clearwater,
                FL Pinellas Co. United States | Cleveland St. / Aurora Ave. (27.96543, -82.75562) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 22.1522 | Other (At-Grade) Single-Lane | 2009 | ICD estimated from Google Maps linework. | 
| Tampa,
                FL Hillsborough Co. United States | W Tampa Bay Ave. / Lois Ave. (27.97406, -82.51372) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0818 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Clearwater,
                FL Pinellas Co. United States | Grove St. / Lake Dr. (27.96716, -82.77122) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 58.0168 | Other (At-Grade) Single-Lane | 2009 | Functional Class: Local ICD estimated from Google Maps linework. | 
| Clearwater,
                FL Pinellas Co. United States | Rainbow Dr. / Duncan Ave. (27.96250, -82.76695) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 93.8858 | Other (At-Grade) Single-Lane | 2009 | Functional Class: Local ICD estimated from Google Maps linework. | 
| Clearwater,
                FL Pinellas Co. United States | Rainbow Dr. / Arcturus Ave. (27.96245, -82.75658) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8546 | Other (At-Grade) Single-Lane | 2009 | Functional Class: Local ICD estimated from Google Maps linework. | 
| Tampa,
                FL Hillsborough Co. United States | 40th St. / Hanna Ave. (28.00340, -82.41409) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.1799 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | ICD estimated from Google Maps linework. | 
| Fishers,
                IN Hamilton Co. United States | Greefield Ave. / Olio Rd. / E 136th St. (39.98811, -85.91891) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 83.8200 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | |
| Fishers,
                IN Hamilton Co. United States | E 136th St. / Hamilton Commons Blvd. (39.98705, -85.92221) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | |
| Fishers,
                IN Hamilton Co. United States | E 136th St. / Minden Dr. (39.98701, -85.92563) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Single-Lane | 2009 | |
| Hilton Head,
                SC Beaufort Co. United States | Pembroke Dr. / Indigo Run Dr. (32.21179, -80.71949) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.5041 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2000 | Year Completed estimated (1994-2005). ICD estimated from Google Maps linework. | 
| Kalamazoo,
                MI Kalamazoo Co. United States | Solon St. / Arboretum Pkwy. (42.28875, -85.62837) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.0397 | Other (At-Grade) Single-Lane | 2010 | Yield-controlled right-turn bypass lane on northwest leg, which is one-way into the roundabout. ICD estimated from Google Maps linework. | 
| Kalamazoo,
                MI Kalamazoo Co. United States | Howard St. / Solon St. / Kendall Ave. (42.28836, -85.62660) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.0600 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Yield-controlled right-turn bypass lane on east leg. Kendall Avenue is one-way northbound exiting the roundabout. ICD estimated from Google Maps linework. | 
| Denver,
                CO Adams Co. United States | Syracuse St. / Rosalyn St. / 32nd Ave. Pkwy. (39.76177, -104.89890) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.1333 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Denver,
                CO Adams Co. United States | Xanthia St. / Xanthia Way / E. 24th Ave. (39.75166, -104.88760) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 27.5468 | Other (At-Grade) Single-Lane | 2004 | ICD estimated from Google Maps linework. | 
| Denver,
                CO Adams Co. United States | Willow St. / E. 21st Ave. (39.74838, -104.88819) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 31.2212 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Breckenridge,
                CO Summit Co. United States | Main St. / N. Park Ave. (39.49046, -106.04560) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 32.2595 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | ICD estimated from Google Maps linework. | 
| Pearson,
                CA Yuba Co. United States | Winter Rock Dr. / Empress St. / (unknown) (39.05637, -121.56950) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 46.3714 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2005 | ICD estimated from Google Maps linework. | 
| Pearson,
                CA Yuba Co. United States | Winter Rock Dr. / Night Heron St. / (unknown) (39.06063, -121.56750) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.5138 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Roseville,
                CA Placer Co. United States | Parkside Way / New Meadow Dr. (38.79915, -121.32150) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 26.9931 | Other (At-Grade) Single-Lane | 2000 | ICD estimated from Google Maps linework. | 
| Roseville,
                CA Placer Co. United States | Parkside Way / McCloud Way (38.79916, -121.33110) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 26.0623 | Other (At-Grade) Single-Lane | 2008 | ICD estimated from Google Maps linework. | 
| Roseville,
                CA Placer Co. United States | Parkside Way / Diamond Creek Blvd. (38.79791, -121.33400) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.8552 | Other (At-Grade) Single-Lane | 2007 | ICD estimated from Google Maps linework. | 
| Stockton,
                CA San Joaquin Co. United States | Gold Brook Dr. / Tiamo Way (37.99885, -121.27640) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.3524 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Stockton,
                CA San Joaquin Co. United States | Gold Brook Dr. / Cabin Creek St. (38.00138, -121.27230) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.4104 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Stockton,
                CA San Joaquin Co. United States | Tiamo Way / Hayden Brook Dr. (37.99749, -121.27590) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 16.0000 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Redondo Beach,
                CA Los Angeles Co. United States | Calle Miramar / Paseo de la Playa (33.81518, -118.38960) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 16.8690 | Other (At-Grade) Single-Lane | 2009 | ICD estimated from Google Maps linework. | 
| Roseville,
                CA Placer Co. United States | Reserve Dr. / Fountains Driveway (38.76793, -121.27090) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.1106 | Other (At-Grade) Single-Lane | 2008 | ICD estimated from Google Maps linework. | 
| Roseville,
                CA Placer Co. United States | Reserve Dr. / Diamond Oaks Rd. (38.76679, -121.27120) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 29.7990 | Other (At-Grade) Single-Lane | 2008 | ICD estimated from Google Maps linework. | 
| Sacramento,
                CA Sacramento Co. United States | X St. / 48th St. (38.55347, -121.45030) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 42.0299 | Other (At-Grade) Multilane (2 Lane, unspecified) | 1995 | ICD estimated from Google Maps linework. | 
| Modesto,
                CA Stanislaus Co. United States | Roselle Ave. / Floyd Ave. (37.67812, -120.93960) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.5914 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Opened July 3, 2007. ICD estimated from Google Maps linework. | 
| Modesto,
                CA Stanislaus Co. United States | Coffee Rd. / Claratina Ave. (37.69985, -120.97630) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.1294 | Other (At-Grade) Single-Lane | 2008 | Interim configuration ICD estimated from Google Maps linework. | 
| Modesto,
                CA Stanislaus Co. United States | Encina Ave. / Conejo Ave. (37.64524, -120.96640) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 18.9136 | Other (At-Grade) Single-Lane | 2005 | Opened August 24, 2005. Adjavent to junior high school. ICD estimated from Google Maps linework. | 
| Modesto,
                CA Stanislaus Co. United States | Merle Ave. / Maid Mariane Ln. (37.67087, -120.93030) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4320 | Other (At-Grade) Single-Lane | 2007 | Opened August 15, 2007. | 
| Grass Valley,
                CA Nevada Co. United States | Sierra College Dr. / Litton Dr. / Robert Ross Way (39.23445, -121.05200) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.3780 | Other (At-Grade) Single-Lane | 2003 | ICD estimated from Google Maps linework. | 
| Martell,
                CA Amador Co. United States | Industry Dr. / (parking lot access) (38.36968, -120.80150) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 35.5824 | Other (At-Grade) Single-Lane | 2006 | Serves industrial park. ICD estimated from Google Maps linework. | 
| Elk Grove,
                CA Sacramento Co. United States | W Camden Dr. / N Camden Dr. / Camden Lake Way (38.42732, -121.37700) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 1988 | Year Completed apparent from historical Google Earth aerial photos. | 
| Elk Grove,
                CA Sacramento Co. United States | Auberry Dr. / Laporte Way / Toad Hollow Way (38.44561, -121.39940) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 20.5787 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Walnut Creek,
                CA Alameda Co. United States | Walnut Ave. / Oak Grove Rd. (37.91432, -122.00770) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 22.6138 | Other (At-Grade) Single-Lane | 2000 | Right turn bypass lane in northwest quadrant. ICD estimated from Google Maps linework. | 
| Vallejo,
                CA Solano Co. United States | Azuar Ave. / Sundance Ave. / Bagley St. / Walnut Ave. (38.09329, -122.27020) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 48.8772 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Hercules,
                CA Contra Costa Co. United States | Refugio Valley Rd. / Redwood Rd. / Falcon Way (37.99686, -122.24780) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.8238 | Other (At-Grade) Single-Lane | 1999 | ICD estimated from Google Maps linework. | 
| Ripon,
                CA San Joaquin Co. United States | Fulton Ave. / Colony Rd. (37.75384, -121.13190) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.3261 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Ripon,
                CA San Joaquin Co. United States | Fulton Ave. / Santos Ave. (37.75781, -121.13350) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 41.5467 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Ripon,
                CA San Joaquin Co. United States | Fulton Ave. / Werner Dr. / Wilma Ave. (37.74446, -121.13550) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 55.7204 | Other (At-Grade) Single-Lane | 2006 | One leg is skewed. ICD estimated from Google Maps linework. | 
| Petaluma,
                CA Sonoma Co. United States | Corona Rd. / Sonoma Mountain Pkwy. (38.26890, -122.65450) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 31.8812 | Other (At-Grade) Single-Lane | 2002 | ICD estimated from Google Maps linework. | 
| Sacramento,
                CA Sacramento Co. United States | Promenade Cir. / (unknown) (38.63732, -121.49950) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.5175 | Other (At-Grade) Single-Lane | 2006 | Inside commercial/office park. ICD estimated from Google Maps linework. | 
| Fresno,
                CA Fresno Co. United States | Belmont Circle (Belmont Ave. / Motel Dr. / Arthur Ave. / Wesley Ave. / Thorne Ave.) (36.75051, -119.81530) | Other Existing | Unknown Unknown | 5 Approaches 0 Driveways 104.3080 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Venice,
                CA Los Angeles Co. United States | Windward Ave. / Main St. / Grand Blvd. (33.98816, -118.47100) | Other Existing | Unknown Unknown | 5 Approaches 0 Driveways 48.5238 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Ivins,
                UT Washington Co. United States | Center St. / S 200 E (37.16837, -113.67480) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.0687 | Other (At-Grade) Single-Lane | 2003 | ICD estimated from Google Maps linework. | 
| Ivins,
                UT Washington Co. United States | Snow Canyon Pkwy. / Split Rock Dr. / Black Desert Dr. (37.16312, -113.64370) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2004 | |
| Wilsonville,
                OR Clackamas Co. United States | SW Barber St. / Brown Rd. (45.30865, -122.78620) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 40.3179 | Other (At-Grade) Single-Lane | 2007 | ICD estimated from Google Maps linework. | 
| Wilsonville,
                OR Clackamas Co. United States | SW Barber St. / Costa Cir. / 110th Ave. (45.30843, -122.79090) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1580 | Other (At-Grade) Single-Lane | 2007 | ICD estimated from Google Maps linework. | 
| Phoenix,
                AZ Maricopa Co. United States | W Riverwood Blvd. / Windrow Blvd. (33.41749, -112.26690) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 23.9252 | Other (At-Grade) Single-Lane | 2002 | ICD estimated from Google Maps linework. | 
| Phoenix,
                AZ Maricopa Co. United States | Devonna Ln. / Watkins St. / 84th Dr. / Hammond Ln. (33.42601, -112.24090) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 23.9228 | Other (At-Grade) Single-Lane | 1999 | ICD estimated from Google Maps linework. |