| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Eau Claire,
                WI Eau Claire Co. United States | State St. / E Lexington Blvd. (44.79197, -91.49592) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 39.6240 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2019 | Merging right-turn bypass lane on east leg. W Lexington Blvd meets State St just south of the roundabout and is controlled by a stop sign. https://www.eauclairewi.gov/our-city/construction-projects/future-projects/state-street | 
| 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 | |
| Dakota Ridge,
                CO Jefferson Co. United States | W Belleview Ave. / Quincy Ave. (39.62415, -105.15506) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2007 | Right-turn bypass lanes on north and east legs. | 
| Lexington,
                KY Fayette Co. United States | Ellerslie Park Blvd. / Tatton Park (37.98335, -84.43017) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2005 | Year Completed estimated (2004-2006). | 
| Inverness,
                CO Arapahoe Co. United States | Inverness Terr. / Inverness Blvd. (39.57729, -104.87052) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2007 | |
| Olympia,
                WA Thurston Co. United States | SR 510 / Meridian Rd. SE (47.01799, -122.72703) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2019 | https://wsdot.wa.gov/projects/sr510/meridian-rd-roundabout/home | 
| Sea Pines,
                SC Beaufort Co. United States | 78 Dunnagans Alley (32.15734, -80.75987) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2012 | Year Completed estimated (2011-2012). | 
| Platte City,
                MO Platte Co. United States | 4th St. / Kentucky Ave. / Norma Ln. (39.35147, -94.77915) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2016-2017). | 
| Platte City,
                MO Platte Co. United States | MO-N / NW 136 St. / Humphreys Rd. (39.33927, -94.77933) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2012 | Year Completed estimated (2011-2012). | 
| Canton,
                MA Norfolk Co. United States | Pleasant St. / Bolivar St. / Lincolnshire Dr. (42.15077, -71.12804) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2015 | |
| Marysville,
                WA Snohomish Co. United States | SR 9 / 108th St NE (48.09180, -122.11180) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2020 | Year Completed estimated (2018-2020). | 
| Valparaiso,
                IN Porter Co. United States | Cumberland Dr. / Cumberland Crossing Dr. (41.49680, -87.04972) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2009 | Year Completed estimated (2008-2010). | 
| Greenfield,
                IN Hancock Co. United States | E 200 N / N Franklin St. (39.81371, -85.78994) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2013 | Yield-controlled right-turn bypass lanes on north and south legs. Skewed intersection. Year Completed estimated (2012-2013). | 
| Box Elder,
                SD Pennington Co. United States | Davis Dr. / Schnever St. (44.13351, -103.07564) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2011 | At Ellsworth Air Force Base just past entrance gate. | 
| Lafayette,
                IN Tippecanoe Co. United States | Mondavi Blvd. / Silverado Dr. (40.35017, -86.85804) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2005 | |
| Evergreen,
                CO Jefferson Co. United States | CO 74 / CO 64 (Turkey Creek Rd.) (39.58759, -105.30994) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2008 | |
| Fort Worth,
                TX Tarrant Co. United States | W Bonds Ranch Rd. / US 81 SB Ramps-Service Road (32.92433, -97.35862) | Roundabout Existing | All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Double-track BNSF railroad at-grade railroad crossing approximately 800 feet to the west of the roundabout. | 
| Clarksville,
                MD Howard Co. United States | Linden Church Rd. / MD 32 NB Ramps (39.22942, -76.97263) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2013 | Year Completed estimated (2011-2014). | 
| Horizon West,
                FL Orange Co. United States | Lake Hancock Blvd. / John Hancock Dr. (28.45882, -81.62045) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2013 | |
| North Salt Lake,
                UT Davis Co. United States | Orchard Dr. / E Eaglegate Dr. (40.83459, -111.91224) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2011 | Crosswalks next to circulatory roadway. Year Completed estimated (2010-2011). | 
| Providence,
                UT Cache Co. United States | W 100 S / 485 W (41.70634, -111.83031) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2017 | Year Completed estimated (2017-2018). | 
| Las Vegas,
                NV Clark Co. United States | Severence Ln. / N Tee Pee Ln. (36.29558, -115.30141) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2005 | Year Completed estimated (2004-2005). | 
| Grand Junction,
                CO Mesa Co. United States | Aviators Way / Eagle Dr. (39.11972, -108.52625) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2009 | Year Completed estimated (2006-2011). | 
| Grand Junction,
                CO Mesa Co. United States | Falcon Way / Sunstrand Way (39.12315, -108.53169) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2009 | Year Completed estimated (2006-2011). | 
| Concord,
                MO St. Louis Co. United States | Richmond Cavalry Dr. / Vicksburg Siege Ct. (38.54358, -90.35063) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2014 | |
| Saint Charles,
                IL Kane Co. United States | Burlington Rd. / Bolcum Rd. (41.94162, -88.39775) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2020 | |
| San Antonio,
                TX Bexar Co. United States | Engelmann Oak / Big Spring Ln. (29.31397, -98.43673) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2007 | |
| Sacramento,
                CA Sacramento Co. United States | Airport Blvd. / Lindbergh Dr. / Aviation Dr. (38.69345, -121.59025) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2011 | South leg is exit only. | 
| Modesto,
                CA Stanislaus Co. United States | Litt Rd. / (parking) (37.69136, -120.92985) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2013 | |
| Roseville,
                CA Placer Co. United States | Roseville Pkwy. / (unknown) (38.78900, -121.32076) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2017 | Year Completed estimated (2016-2018). | 
| Fresno,
                CA Fresno Co. United States | E El Paso Ave. / El Camino (36.84721, -119.78884) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 1996 | Year Completed estimated (before 1998). | 
| Post Falls,
                ID Kootenai Co. United States | W Prairie Ave. / N Chase Rd. (47.74515, -116.95907) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2018 | |
| Post Falls,
                ID Kootenai Co. United States | W Prairie Ave. / N McGuire Rd. (47.74518, -116.98054) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2011 | |
| Lacey,
                WA Thurston Co. United States | Parkside Dr. SE / 53rd St. SE (47.00040, -122.81703) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2008 | Year Completed estimated (2006-2009). | 
| Ogden,
                UT Weber Co. United States | Skyline Pkwy. / County Hills Dr. (41.18837, -111.93782) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2016-2017). | 
| Woodbury,
                MN Washington Co. United States | Bailey Lake Rd. / Chestnut Dr. (44.87957, -92.93808) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2018 | Year Completed estimated (2018-2019). | 
| West Chester,
                OH Butler Co. United States | Lesourdsville West Chester Rd. / Becket Ridge Blvd. (39.34459, -84.41655) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2020 | Near a junior high school. https://www.journal-news.com/news/newest-roundabout-opens-in-west-chester-as-dangerous-intersection-work-begins/PWKR73DU2VD53AOPGDM3VII2U4/ | 
| Waco,
                TX McLennan Co. United States | Salem Way / (parking) (31.62531, -97.23093) | Other Existing | Uncontrolled None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2009 | Constructed as three leg with planned potential fourth leg in the future. | 
| Leander,
                TX Williamson Co. United States | Calla Lily Blvd. / Water Hyacinth Loop / Water Hyssop Loop (30.56533, -97.83054) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2011 | |
| Sugar Land,
                TX Fort Bend Co. United States | Commonwealth Blvd. / L.J. Pkwy. (29.55919, -95.64098) | Other Existing | Uncontrolled None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2007 | No splitter islands on two legs. Main entrance to Sugar Land Memorial Park and Brazos River Corridor. | 
| (unincorporated),
                TX Williamson Co. United States | Bold Sundown / Claimjumper (30.71444, -97.94058) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2014 | |
| (unincorporated),
                TX Williamson Co. United States | Bold Sundown / Umbrella Sky (30.71582, -97.93546) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2014 | |
| Waco,
                TX McLennan Co. United States | Ambassador Dr. / Premier Dr. (31.48783, -97.17402) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2008 | Constructed as part of an office-medical subdivision. | 
| Cedar Park,
                TX Williamson Co. United States | Discovery Blvd. / Main St. (30.52920, -97.82161) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2004 | Partially completed between 2002-2005, third leg added in 2009. Completed in 2015. | 
| Roanoke,
                TX Denton Co. United States | Fairway Ranch Pkwy. / Byron Lakes Dr. (33.00998, -97.24231) | Other Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2014 | No splitter islands. Yield signs in central island. | 
| El Paso,
                TX El Paso Co. United States | Lazy Willow Dr. (31.82551, -106.58449) | Other Existing | Uncontrolled None | 2 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 1990 | Entry feature to gated development. | 
| Canton,
                GA Cherokee Co. United States | E Cherokee Dr. / Gaddis Rd. / Chadwyck Ln. (34.23514, -84.35690) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2017 | |
| Muskego,
                WI Waukesha Co. United States | Woods Rd. / Moorland Rd. / Durham Dr. (42.91086, -88.09789) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2019 | Year Completed estimated (2018-2021). | 
| Grand Island,
                NE Hall Co. United States | W Faidley Ave. / Claude Rd. (40.92447, -98.38829) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2020 | https://theindependent.com/news/local/new-roundabout-open-at-faidley-avenue-and-claude-road/article_9b6fc49a-1d9a-11eb-8f02-bb1006ea2295.html | 
| McAllen,
                TX Hidalgo Co. United States | Valencia Market Pl. / Warbler Ave. (26.27065, -98.22098) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2011 | |
| (unincorporated),
                TX Williamson Co. United States | Umbrella Sky (30.71911, -97.94194) | Other Existing | All-Way Yield None | 2 Approaches 1 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2014 | |
| Oxford,
                MS Lafayette Co. United States | College Hill Rd. (CR 102) / W Oxford Loop (34.41435, -89.56355) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2019 | |
| Athol,
                MA Worcester Co. United States | Market Rd. / Tower Rd. / Reservoir Dr. (42.58053, -72.18775) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2014 | no crosswalks, commercial center | 
| Roseville,
                CA Placer Co. United States | Oak St. / Washington Blvd. (38.74817, -121.28306) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2015 | At City Hall with fire station. Year Completed estimated (2014-2015). | 
| Union,
                MO Franklin Co. United States | Prairie Dell Rd. / Denmark Rd. (38.43101, -90.97237) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2015 | Yield-controlled right-turn bypass lane with large radius on north leg. Entrance to college campus. | 
| La Quinta,
                CA Riverside Co. United States | Eisenhower Dr. / Avenida Montezuma (33.67616, -116.30798) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2020 | http://lqcompletestreets.com/overview | 
| Truckee,
                CA Nevada Co. United States | Soaring Way / Joerger Dr. (39.32058, -120.15540) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2019 | Year Completed estimated (2019-2020). | 
| Spring Mills,
                PA Centre Co. United States | Skyview Dr. / Old US 322 / US 322 (General Potter Hwy.) WB Ramps (40.79607, -77.63165) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2020 | |
| Fort Wayne,
                IN Allen Co. United States | W Till Rd. / Bethel Rd. (41.16826, -85.18962) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2015 | Year Completed estimated (2014-2016). | 
| Normandy,
                MO St. Louis Co. United States | Natural Bridge Rd. (SR 115) / Florissant Rd. (38.70418, -90.29664) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2015 | |
| Jekyll Island,
                GA Glynn Co. United States | GA 520 (Ben Fortson Pkwy.) / N Beachview Dr. (31.04758, -81.41269) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2011 | Elliptical shaped. ICD = 135 ft x 125 ft. | 
| Channahon,
                IL Will Co. United States | S Navajo Dr. / St Ann Way (41.43729, -88.22099) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2004 | Year Completed estimated (2002-2005). | 
| Frisco,
                TX Denton Co. United States | Courtland Dr. / Starling Dr. (33.10983, -96.87567) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2008 | . | 
| Northfield Township,
                MI Washtenaw Co. United States | N Territorial Rd. / US 23 NB Ramps (42.37969, -83.75634) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Merging right-turn bypass lane on east leg. | 
| Northfield Township,
                MI Washtenaw Co. United States | N Territorial Rd. / US 23 SB Ramps (42.37952, -83.75786) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Merging right-turn bypass lane on west leg. | 
| Cedar Park,
                TX Williamson Co. United States | Discovery Blvd. / Central Park Dr. / (parking access road) (30.52554, -97.82136) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2004 | Right-turn bypass lane on south leg. Year Completed estimated (2002-2005). | 
| Morristown,
                VT Lamoille Co. United States | VT 100 / VT 15 / (shopping center parking) (44.57684, -72.59465) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2014 | |
| Nelsonville,
                OH Athens Co. United States | W Washington St. / John Lloyd Evans Dr. / Diamond Brick Rd. (39.46440, -82.25096) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2012 | |
| Spokane,
                WA Spokane Co. United States | S Glenrose Rd. / S Carnahan Rd. (47.63586, -117.33495) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2019 | Spokane County project. Open July 2019. Replaced southbound Carnahan yield control. | 
| Edina,
                MN Hennepin Co. United States | Valley View Rd. / Braemar Blvd. (44.87250, -93.39152) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2015 | Year Completed estimated (2015-2016). | 
| Spring Creek,
                NV Elko Co. United States | SR 227 (Lamoille Hwy.) / Licht Pkwy. / Spring Creek Pkwy. (40.73887, -115.61890) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2010 | Merging right-turn bypass lanes on all four legs. Year Completed estimated (2010-2012). | 
| Sugar Land,
                TX Fort Bend Co. United States | Commonwealth Blvd. / LJ Pkwy. (29.56659, -95.59150) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2016 | . | 
| Allen,
                TX Collin Co. United States | Kennedy Dr. / Benton Dr. (33.11166, -96.68376) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2015 | . | 
| Allen,
                TX Collin Co. United States | Bossy Boots Dr. / Bray Central Dr. (33.11992, -96.68636) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2015 | Bypass lanes on all three legs. | 
| Fort Worth,
                TX Tarrant Co. United States | Harmon Rd. / US 81-US 287 NB Frontage Road (32.90026, -97.33182) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2014 | . | 
| Fort Worth,
                TX Tarrant Co. United States | Harmon Rd. / US 81-US 287 SB Frontage Road (32.89689, -97.33177) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2014 | . | 
| Rineyville,
                KY Hardin Co. United States | KY 220  / KY 1600 / Thompson Rd. (37.75020, -85.96772) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2010 | Yield-controlled right-turn lane on east leg. | 
| Milton,
                WI Rock Co. United States | STH 59 / STH 26 NB Ramps (42.76902, -88.92310) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2009 | Opened October 2009. | 
| Milton,
                WI Rock Co. United States | STH 59 / STH 26 SB Ramps (42.76911, -88.92484) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2009 | Opened October 2009. | 
| Janesville,
                WI Rock Co. United States | N Harmony Town Hall Rd. / STH 26 NB Ramps (42.75114, -88.95416) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2012 | Interchange replaced single at-grade two-way stop-controlled intersection. | 
| Janesville,
                WI Rock Co. United States | N Harmony Town Hall Rd. / STH 26 SB Ramps (42.75331, -88.95426) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2012 | Interchange replaced single at-grade two-way stop-controlled intersection. | 
| Dothan,
                AL Houston Co. United States | Campbellton Hwy. / Southgate Rd. (31.18216, -85.40940) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2016 | |
| Flower Mound,
                TX Denton Co. United States | Lakeside Pkwy. / Sandy Ln. (32.99250, -97.06856) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2015 | Third leg added late 2014/early 2015. Original two legs and circle constructed ~2002. | 
| Marysville,
                WA Snohomish Co. United States | SR 9 / 84th St. NE / Getchell Rd. (48.07196, -122.11135) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2014 | Right-turn-only lanes on all four legs. Open October 2014. | 
| Poulsbo,
                WA Kitsap Co. United States | NE Lincoln Rd / Noll Rd. NE / Gala Way NE (47.75092, -122.61274) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2012 | Open September 2012. Replaced two offset T-intersections. | 
| (unincorporated),
                OH Delaware Co. United States | Cheshire Rd. / TR 35 (40.23802, -82.93950) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2013 | Rural, high-speed approaches. Year Completed estimated (2011-2014). | 
| Northfield Township,
                MI Washtenaw Co. United States | W 8 Mile Rd. / US 23 SB Ramps (42.42923, -83.76779) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Add-lane right-turn bypass lane on west leg. | 
| Salt Lake City,
                UT Salt Lake Co. United States | South Campus Dr. / Center Campus Dr. (40.75968, -111.84490) | Roundabout Existing | All-Way Yield At-grade Rail Crossing Signals/Gates (controlling all approaches) | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2003 | Light rail runs through center of roundabout. Gates on both circulatory roadway and on east and west approaches. | 
| Grand Junction,
                CO Mesa Co. United States | Horizon Dr. / 12th St. (39.10165, -108.55234) | Roundabout Existing | All-Way Yield None | 4 Approaches 1 Driveways 39.6240 | Other (At-Grade) Single-Lane | 1998 | Bicycle-only (bike-only) driveway into circulatory roadway in northeast quadrant, leading into bicycle (bike) roundabout. | 
| Phoenix,
                AZ Maricopa Co. United States | Pointe Pkwy. / S 48th St. (33.37162, -111.97410) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2000 | |
| Truckee,
                CA Nevada Co. United States | Brockway Rd. / Martis Valley Rd. (39.32135, -120.16269) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2006 | |
| (unincorporated),
                MI Livingston Co. United States | Kensington Rd. / Jacoby Rd. (42.55436, -83.69828) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2008 | Year Completed estimated (2006-2010). | 
| Southlake,
                TX Tarrant Co. United States | E. Continental Blvd. / S. Carroll Ave. (32.92622, -97.12830) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2004 | Elementary school and city park located on NW corner. Asphalt construction. | 
| Fort Wayne,
                IN Allen Co. United States | Pontiac St. / Wayne Trace (South) / Adams St. / Pioneer St. (41.06100, -85.10003) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2003 | One of two adjacent roundabouts. | 
| Fort Wayne,
                IN Allen Co. United States | Pontiac St. / Wayne Trace (North) / Fenker Ave. / Pioneer St. (41.06183, -85.09948) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2003 | One of two adjacent roundabouts. | 
| Bridal Falls,
                BC Fraser Valley Regional District Canada | Hwy 9 / Yale Road East (49.18523, -121.76500) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2004 | Completed October 29, 2004. | 
| Billings,
                MT Yellowstone Co. United States | Ironwood Dr. / Woodcreek Dr. (45.81641, -108.67716) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2003 | |
| Killingworth,
                CT Middledex Co. United States | Rte. 80 / Rte. 81 (41.35801, -72.56517) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 1997 | First rotary modification in Connecticut. 21442 | 
| Daingerfield,
                TX Morris Co. United States | Webb St. / Jefferson St. / Coffey St. / Linda Dr. (33.03180, -94.72192) | Roundabout Existing | Unknown At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only) | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2008 | Railroad crossing through central island. Replaced two T-intersections. | 
| 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 |