| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Covington,
                WA King Co. United States | 168th Pl. SE / Costco Entrance (47.35463, -122.11860) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6463 | Other (At-Grade) Single-Lane | 2008 | November 2008. Entrance into Costco shopping center. ICD estimated from Google Maps linework. | 
| Covington,
                WA King Co. United States | SE Wax Rd. / 180th Ave. SE / SE 267th Pl. (47.36216, -122.10200) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 53.3935 | Other (At-Grade) Single-Lane | 2008 | September 2008. ICD estimated from Google Maps linework. | 
| Federal Way,
                WA King Co. United States | S 333rd St. / Community Center Entrance (47.30548, -122.32380) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 29.1550 | Other (At-Grade) Single-Lane | 2006 | January 2006. ICD estimated from Google Maps linework. | 
| Mount Vernon,
                WA Skagit Co. United States | Best Rd. / McLean Rd. (48.42070, -122.44380) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.4976 | Other (At-Grade) Single-Lane | 2009 | April 2009. On high-speed rural roadways. ICD estimated from Google Maps linework. | 
| Olympia,
                WA Thurston Co. United States | Boulevard Rd. SE / Log Cabin Rd. SE (47.01433, -122.86520) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.0870 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Opened November 2009. Left-turn only lanes on north and south legs with spiralling. ICD estimated from Google Maps linework. | 
| Redmond,
                WA King Co. United States | 152nd Ave. NE / NE 36th Pl. / NE 31st St. (47.63828, -122.13550) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 27.3615 | Other (At-Grade) Single-Lane | 2010 | Near Microsoft campus. Moderate ped/bike volumes. ICD estimated from Google Maps linework. | 
| Olympia,
                WA Thurston Co. United States | 18th Ave. SE / Hoffman Rd. SE / Ontario St. SE (47.03250, -122.84959) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.8175 | Other (At-Grade) Single-Lane | 2010 | Opened October 2010. ICD estimated from Google Maps linework. | 
| Reedley,
                CA Fresno Co. United States | Dinuba Ave. / Buttonwillow Ave. (36.58965, -119.43090) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.3172 | Other (At-Grade) Single-Lane | 2010 | November 2010. ICD estimated from Google Maps linework. | 
| Roseville,
                CA Placer Co. United States | Westhills Dr. / Morningstar Dr. / St. Basil Cir. (38.76151, -121.35340) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 32.5951 | Other (At-Grade) Single-Lane | 2001 | Crosswalks adjacent to circle. ICD estimated from Google Maps linework. | 
| Roseville,
                CA Placer Co. United States | Park Regency Dr. / Hiawatha Dr. / Sharifa Way / Bottlebrush Cir. (38.76105, -121.34870) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.2518 | Other (At-Grade) Single-Lane | 2001 | Crosswalks adjacent to circle. ICD estimated from Google Maps linework. | 
| Roseville,
                CA Placer Co. United States | Park Regency Dr. / Castlebridge Dr. / Hillingdon St. (38.75455, -121.34680) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 32.5983 | Other (At-Grade) Single-Lane | 2001 | Crosswalks adjacent to circle. ICD estimated from Google Maps linework. | 
| Sausalito,
                CA Marin Co. United States | Conzelman Rd. / McCullough Rd. (37.83361, -122.49400) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 29.2415 | Other (At-Grade) Single-Lane | 2010 | ICD estimated from Google Maps linework. | 
| Pleasanton,
                CA Alameda Co. United States | Valley Ave. / (unknown) (37.65670, -121.89670) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 28.3660 | Other (At-Grade) Single-Lane | 2000 | ICD estimated from Google Maps linework. | 
| Pleasanton,
                CA Alameda Co. United States | Valley Ave. / E Gate Way (37.65487, -121.89530) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.3667 | Other (At-Grade) Single-Lane | 2000 | ICD estimated from Google Maps linework. | 
| Pleasanton,
                CA Alameda Co. United States | Valley Ave. / Oak Vista Way (37.65349, -121.89390) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 27.4216 | Other (At-Grade) Single-Lane | 2000 | ICD estimated from Google Maps linework. | 
| Chico,
                CA Butte Co. United States | Manzanita Ave. / Hooker Oak Ave. (39.75974, -121.79950) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.4617 | Other (At-Grade) Single-Lane | 2009 | Adjacent to park. ICD estimated from Google Maps linework. | 
| Chico,
                CA Butte Co. United States | Manzanita Ave. / Vallombrosa Ave. (39.75850, -121.79620) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.6260 | Other (At-Grade) Single-Lane | 2009 | Adjacent to park. ICD estimated from Google Maps linework. | 
| Chico,
                CA Butte Co. United States | Manzanita Ave. / Wildwood Ave. / East Ave. / Eaton Rd. (39.76229, -121.80540) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.3958 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Adjacent to fire station. ICD estimated from Google Maps linework. | 
| Escalon,
                CA San Joaquin Co. United States | Riesling Way / California St. (37.79671, -121.01110) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 18.8749 | Other (At-Grade) Single-Lane | 2002 | ICD estimated from Google Maps linework. | 
| Davis,
                CA Yolo Co. United States | Hutchison Dr. / Campbell Rd. (38.53686, -121.77170) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.4343 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Near University of California Davis college campus. Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| Riverbank,
                CA Stanislaus Co. United States | Crawford Rd. / Homewood Way (37.71818, -120.94930) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.3480 | Other (At-Grade) Single-Lane | 2003 | Bike lanes in circulatory roadway in 2010 photo. ICD estimated from Google Maps linework. | 
| Riverbank,
                CA Stanislaus Co. United States | Chancellor Way / Gallery Dr. (37.72000, -120.95440) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 24.5629 | Other (At-Grade) Single-Lane | 2003 | Residential area. ICD estimated from Google Maps linework. | 
| Riverbank,
                CA Stanislaus Co. United States | Chancellor Way / Novi Dr. (37.72214, -120.95440) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.3963 | Other (At-Grade) Single-Lane | 2003 | Residential area near park. ICD estimated from Google Maps linework. | 
| Riverbank,
                CA Stanislaus Co. United States | Antique Rose Way / Novi Dr. (37.72203, -120.95680) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 85.0230 | Other (At-Grade) Single-Lane | 2008 | Small diameter, no splitter islands, near park. ICD estimated from Google Maps linework. | 
| Riverbank,
                CA Stanislaus Co. United States | Antique Rose Way / Gallery Dr. (37.71997, -120.95630) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 62.3519 | Other (At-Grade) Single-Lane | 2008 | Small diameter, no splitter islands, residential ICD estimated from Google Maps linework. | 
| Riverbank,
                CA Stanislaus Co. United States | Squire Wells Way / Heartland Dr. (37.71484, -120.95160) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.5708 | Other (At-Grade) Single-Lane | 2007 | Small diameter. ICD estimated from Google Maps linework. | 
| Roswell,
                GA Fulton Co. United States | Norcross St. / Warsaw Rd. / Grimes Bridge Rd. (34.02621, -84.34474) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 32.6646 | Other (At-Grade) Single-Lane | 2011 | Functional Class: Collector ICD estimated from Google Maps linework. | 
| Kissimmee,
                FL Osceola Co. United States | Martin Luther King Jr. Blvd. / Central Ave. (28.29715, -81.40780) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 46.2707 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | ICD estimated from Google Maps linework. | 
| Kissimmee,
                FL Osceola Co. United States | Monument Ave. / Johnston St. / Dakin Ave. (28.29193, -81.40459) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 21.0332 | Other (At-Grade) Single-Lane | 2010 | ICD estimated from Google Maps linework. | 
| Columbia,
                MD Howard Co. United States | Golden Straw Ln. / Long Meadow Ct. (39.21441, -76.81085) | Traffic Calming Circle Existing | Other None | 3 Approaches 0 Driveways 99.0123 | Other (At-Grade) Single-Lane | 2000 | Yield control only on west leg. ICD estimated from Google Maps linework. | 
| Sykesville,
                MD Carroll Co. United States | Bennett Rd. / Monroe Ave. (39.41306, -76.92967) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.7590 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Westminster,
                MD Carroll Co. United States | Market St. / Gorsuch Rd. (39.57010, -76.97452) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.6987 | Other (At-Grade) Single-Lane | 2005 | Right-turn bypass lanes on SW and SE quadrants. ICD estimated from Google Maps linework. | 
| Waldorf,
                MD Charles Co. United States | Davis Rd. / (School entrance) (38.63609, -76.97873) | Roundabout Existing | All-Way Yield None | 2 Approaches 1 Driveways 33.5852 | Other (At-Grade) Single-Lane | 2005 | Functional Class: Local ICD estimated from Google Maps linework. | 
| Adamstown,
                MD Frederick Co. United States | Mountville Rd. / Adams Common Dr. (39.30643, -77.47158) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 28.6482 | Other (At-Grade) Single-Lane | 2007 | ICD estimated from Google Maps linework. | 
| Oklahoma City,
                OK Oklahoma Co. United States | NW 10th St. / Walker Ave. / Classen Dr. (35.47882, -97.52121) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 30.1499 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Oklahoma City,
                OK Oklahoma Co. United States | NW 10th St. / Shartel Ave. (35.47876, -97.52561) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.2596 | Other (At-Grade) Single-Lane | 2008 | ICD estimated from Google Maps linework. | 
| Hollister,
                MO Taney Co. United States | Business US 65 / Hwy 76 (36.63511, -93.21339) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 67.0874 | Other (At-Grade) Single-Lane | 2010 | ICD estimated from Google Maps linework. | 
| Branson,
                MO Taney Co. United States | Forsythe Blvd. / Oak Creek Dr. (36.64407, -93.25961) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 50.7888 | Other (At-Grade) Single-Lane | 2009 | ICD estimated from Google Maps linework. | 
| Saluda,
                SC Saluda Co. United States | US 378 / SC 391 (34.04264, -81.54423) | Rotary Existing | All-Way Stop Unknown | 4 Approaches 0 Driveways 125.6850 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Spartanburg,
                SC Spartanburg Co. United States | I-85 Ramps / SC 56 / Lone Oak Rd (34.98405, -81.97258) | Rotary Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 133.0797 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Glen Burnie,
                MD Anne Arundel Co. United States | George Clausse Blvd. / (parking access) (39.14768, -76.64935) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.3442 | Other (At-Grade) Single-Lane | 2008 | RT lanes on eastbound and northbound approaches. Part of shopping center. ICD estimated from Google Maps linework. | 
| Lafayette,
                LA Lafayette Par. United States | Ridge Rd. / Rue du Belier (30.18122, -92.09189) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.1024 | Other (At-Grade) Single-Lane | 2003 | ICD estimated from Google Maps linework. | 
| Youngsville,
                LA Lafayette Par. United States | LA 92 / Bonin Rd. (30.10895, -92.00773) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 36.1614 | Other (At-Grade) Single-Lane | 2010 | ICD estimated from Google Maps linework. | 
| Youngsville,
                LA Lafayette Par. United States | LA 92 / Chemin Metairie Pkwy. (30.10922, -92.01561) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 38.2276 | Other (At-Grade) Single-Lane | 2008 | ICD estimated from Google Maps linework. | 
| Youngsville,
                LA Lafayette Par. United States | Prescott Blvd. / Broyles Ln. (30.10179, -92.00802) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 35.1307 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Youngsville,
                LA Lafayette Par. United States | Copper Meadow Blvd. / Fountain View (30.10510, -91.99648) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 49.5946 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Youngsville,
                LA Lafayette Par. United States | LA 89 / Chemin Metairie Pkwy. (30.08441, -91.99059) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 38.2372 | Other (At-Grade) Single-Lane | 2008 | ICD estimated from Google Maps linework. | 
| Carmel,
                IN Hamilton Co. United States | E 136th St. / Keystone Pkwy SB Ramps (39.98581, -86.11488) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 31.1134 | Freeway Ramps (Grade-Separated) Single-Lane | 2009 | Part of tight diamond interchange with raindrop shape central island. ICD estimated from Google Maps linework. | 
| Carmel,
                IN Hamilton Co. United States | W. Main St. / 4th Ave. SW (39.97831, -86.13177) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.6256 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Carmel,
                IN Hamilton Co. United States | N. Rangeline Rd. / 8th St. (39.98565, -86.12726) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.3681 | Other (At-Grade) Single-Lane | 2008 | Centerline shifted to west to avoid cemetary. ICD estimated from Google Maps linework. | 
| 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. | 
| 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. | 
| 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. | 
| 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. | 
| 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. | 
| 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. | 
| 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. | 
| Raleigh,
                NC Wake Co. United States | Hillsborough St. / Morgan St. (35.78262, -78.65527) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 26.1600 | Other (At-Grade) Single-Lane | 2010 | ICD estimated from Google Maps linework. |