| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Driel,
                Gelderland Overbetuwe Netherlands | N837 / Verlengde Rijnstraat (51.94855, 5.81107) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 1 Driveways 51.5303 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Heteren,
                Gelderland Overbetuwe Netherlands | N837 / Polderstraat (51.94501, 5.75628) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 32.3930 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Nantes,
                Loire Region Loire-Atlantique France | Square Elsa Mercoeur (47.21442, -1.55013) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 38.9403 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Nantes,
                Loire Region Loire-Atlantique France | Cours John Kennedy / Avenue Carnot (47.21542, -1.54772) | Roundabout Existing | All-Way Yield Unknown | 2 Approaches 0 Driveways 118.4411 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Nantes,
                Loire Region Loire-Atlantique France | Cours John Kennedy / Allee des Generaux Patton et Wood (47.21640, -1.54596) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 62.4643 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Boulevard du Massacre / Avenue de la Republique (47.22676, -1.60086) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 13.7881 | Other (At-Grade) Single-Lane | Part of double roundabout. ICD estimated from Google Maps linework. | |
| Nantes,
                Loire Region Loire-Atlantique France | Boulevard du Massacre / Boulevard Pierre de Coubertin / Avenue du Parnasse (47.23173, -1.59240) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 29.1957 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Avenue du Parnasse / Avenue de la Baraudiere (47.23291, -1.59406) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 18.6524 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Avenue de la Baraudière / Boulevard du Val de Chezine (47.23255, -1.59467) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 18.6525 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Boulevard du Val de Chézine / Rue Eugene Sue (47.23341, -1.59638) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 16.2193 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Boulevard du Val de Chézine / Rue Eugene Sue (47.23356, -1.59778) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 16.2193 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Avenue du Parnasse / Avenue de la Bouvardiere (47.23803, -1.59786) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 21.8941 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Avenue de la Bouvardière / Avenue des Grands Bois (47.23827, -1.59578) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 15.4069 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Avenue de la Bouvardière / Avenue des Genets (47.23857, -1.59349) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 17.0286 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Avenue de la Passagère / Avenue de Langeais (47.23910, -1.59365) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 16.2176 | Other (At-Grade) Single-lane w/ Traversable Central Island | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Avenue de la Passagère / Avenue de Chenonceaux / Avenue d'Amboise (47.23965, -1.59371) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 17.8391 | Other (At-Grade) Single-lane w/ Traversable Central Island | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Avenue de la Passagère / (unknown) (47.24009, -1.59323) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 16.2173 | Other (At-Grade) Single-lane w/ Traversable Central Island | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Route de Vannes / Avenue de la Passagere / Avenue de la Ferriere (47.24080, -1.59249) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 23.5147 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Avenue des Rouges-Gorges / Avenue des Bergeronnettes / Avenue des Martins Pescheurs (47.24132, -1.60155) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 20.2711 | Other (At-Grade) Single-Lane | No splitter islands. ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Avenue des Naudières / Rue Paul Dukas (47.23967, -1.60189) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 13.7848 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Avenue des Thébaudières / Rue du Danube (47.24215, -1.60824) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 21.8924 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Avenue des Thébaudières / Avenue de Cheverny (47.24490, -1.60597) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 19.4589 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Avenue de l'Angeviniere / Allée Henri Farman (47.24516, -1.61356) | Roundabout Existing | All-Way Yield Other | 4 Approaches 0 Driveways 18.6481 | Other (At-Grade) Single-Lane | Tram rail line running along median through central island. ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Avenue de l'Angeviniere / Boulevard Marcel Paul (47.24614, -1.61685) | Roundabout Existing | All-Way Yield Other | 4 Approaches 0 Driveways 21.8908 | Other (At-Grade) Single-Lane | Tram rail line running along median through central island. ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Boulevard Marcel Paul / (parking) (47.24566, -1.61727) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 10.5401 | Other (At-Grade) Single-lane w/ Traversable Central Island | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Boulevard Marcel Paul / Route de la Chatterie (47.24386, -1.61950) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 1 Driveways 13.7837 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | Boulevard Marcel Paul / Rue du Zambeze (47.24318, -1.62061) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 14.5947 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | D75 / Rue de la Rousseliere (47.23735, -1.64214) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 34.0580 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | (unknown) / (unknown) (47.23671, -1.64099) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 12.1637 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Saint-Herblain,
                Loire Region Loire-Atlantique France | D75 / Rue des Piliers de la Chauvinière (47.23438, -1.64601) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 33.2490 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Amsterdam,
                North Holland Amsterdam Netherlands | Surinameplein (52.35839, 4.85313) | Signalized Roundabout/Circle Existing | Signal Unknown | 4 Approaches 0 Driveways 64.9167 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Amsterdam,
                North Holland Amsterdam Netherlands | Slotermeerlaan / Burgemeester Roellstraat (52.37571, 4.81903) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 82.3900 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Amsterdam,
                North Holland Amsterdam Netherlands | Burgemeester de Vlugtlaan / Antony Moddermanstraat (52.38343, 4.81879) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 60.5060 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Badhoevedorp,
                North Holland Haarlemmermeer Netherlands | N231 / Nieuwemeerdijk (52.31461, 4.81524) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 49.6484 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| West Wickham,
                England Greater London United Kingdom | Coney Hall Roundabout (Glebe Way / Addington Rd.) (51.37113, -0.00137) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 32.0603 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| West Wickham,
                England Greater London United Kingdom | High St. / Manor Park Rd. / Cavendish Way / Wickham Rd. (51.37765, -0.02423) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 40.2560 | Other (At-Grade) Unknown | ICD estimated from Google Maps linework. | |
| West Wickham,
                England Greater London United Kingdom | The Avenue / Red Lodge Rd. (51.38125, -0.01294) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 12.6722 | Other (At-Grade) Single-lane w/ Traversable Central Island | ICD estimated from Google Maps linework. | |
| Vianen,
                Utrecht Vianen Netherlands | De Limiet / Laanakkerveg (51.98015, 5.09531) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 33.8389 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Marina,
                CA Monterey Co. United States | Reservation Rd. / Robin Dr. (36.68986, -121.80249) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 32.5621 | Other (At-Grade) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| Marina,
                CA Monterey Co. United States | Reservation Rd. / Seaside Ct. / Seaside Cir. (36.69201, -121.80258) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.5612 | Other (At-Grade) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| Marina,
                CA Monterey Co. United States | Del Monte Blvd. / Beach Rd. (36.69360, -121.79737) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.6452 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Salinas,
                CA Monterey Co. United States | E Alisal St. / Quilla St. / Skyway Blvd. (36.67223, -121.61774) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 36.4013 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2016 | ICD estimated from Google Maps linework. | 
| Noblesville,
                IN Hamilton Co. United States | S 10th St. / Christian Ave. / Greenfield Ave. (40.03553, -86.01218) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 24.6897 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| (unincorporated),
                OH Delaware Co. United States | Lewis Center Rd. / Bale Kenyon Rd. (40.18296, -82.96386) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 46.5351 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Miami,
                FL Miami-Dade Co. United States | University Dr. / SW 112th Ave. (25.75937, -80.37617) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 41.9501 | Other (At-Grade) Single-Lane | 2014 | On Florida International University campus. ICD estimated from Google Maps linework. | 
| (unincorporated),
                OH Delaware Co. United States | Harriot Dr. / Concord Rd. (40.16689, -83.15468) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 44.7208 | Other (At-Grade) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| Evansville,
                IN Vanderburgh Co. United States | University Blvd. / Clarke Ln. (37.96547, -87.67660) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 46.1377 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Year Completed estimated (2008-2010). ICD estimated from Google Maps linework. | 
| Evansville,
                IN Vanderburgh Co. United States | Oak Hill Rd. / Millersburg Rd. / Hedden Rd. (38.05136, -87.50749) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 38.5599 | Other (At-Grade) Single-Lane | 2013 | Rural. Year Completed estimated (2012-2014). ICD estimated from Google Maps linework. | 
| Princeton,
                IN Gibson Co. United States | N Embree St. / Brumfield Ave. (38.35891, -87.57585) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.2068 | Other (At-Grade) Single-Lane | 2009 | Year Completed estimated (2008-2010). ICD estimated from Google Maps linework. | 
| Rochester Hills,
                MI Oakland Co. United States | Ryder Dr. / Everett Dr. (42.63069, -83.11884) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 22.8464 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Rochester Hills,
                MI Oakland Co. United States | Ryder Dr. / Connors Dr. (42.63060, -83.11736) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 21.9677 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Rochester Hills,
                MI Oakland Co. United States | Firewood Dr. / Raintree Dr. (42.68744, -83.20810) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 29.8488 | Other (At-Grade) Single-Lane | 1994 | ICD estimated from Google Maps linework. | 
| Rochester Hills,
                MI Oakland Co. United States | Coachwood Ln. / Falcon Dr. (42.69232, -83.20846) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 24.5795 | Other (At-Grade) Single-Lane | 1994 | ICD estimated from Google Maps linework. | 
| Auburn Hills,
                MI Oakland Co. United States | Pioneer Dr. / Library Dr. (42.66886, -83.21576) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.7613 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Hamilton,
                Pembroke Bermuda | Cemetery Rd. / St John's Rd. / Woodlands Rd. (32.30075, -64.78981) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 1 Driveways 13.1237 | Other (At-Grade) Single-lane w/ Traversable Central Island | ICD estimated from Google Maps linework. | |
| Santa Clara,
                CA Santa Clara Co. United States | Cypress Ave. / Cecil Ave. (37.32430, -121.95985) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 30.3920 | Other (At-Grade) Single-Lane | 2011 | ICD estimated from Google Maps linework. | 
| Dundas,
                ON Hamilton Canada | Hwy 5 W / Hwy 8 / Hwy 52 (43.28042, -80.06759) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 58.2551 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | ICD estimated from Google Maps linework. | 
| Markham,
                ON York Canada | S Unionville Ave. / Unity Gardens Dr. (43.85543, -79.30360) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 27.5590 | Other (At-Grade) Single-Lane | 2013 | ICD estimated from Google Maps linework. | 
| Markham,
                ON York Canada | Village Pkwy. / Fitzgerald Ave. (43.86057, -79.32526) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 23.2509 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Sumter,
                SC Sumter Co. United States | SR 763 (Wedgefield Rd.) / Pitts Rd. (33.91004, -80.40886) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2016 | |
| Concord,
                MA Middlesex Co. United States | Rte 2 (Union Tpke-Concord Tpke) / Rte 2A / Barretts Mill Rd. / Commonwealth Ave. (42.46728, -71.39721) | Rotary Existing | All-Way Yield None | 5 Approaches 0 Driveways 100.4354 | Other (At-Grade) Multilane (2 Lane, unspecified) | Infamous Concord rotary. ICD estimated from Google Maps linework. | |
| Wadsworth,
                OH Medina Co. United States | Sharon Copley Rd. / Ridge Rd. (41.09917, -81.73554) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 83.7013 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Medina,
                OH Medina Co. United States | Columbia Rd. / Spieth Rd. (41.18074, -81.92515) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.2481 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Akron,
                OH Summit Co. United States | Riverview Rd. (SR 9) / Smith Rd. (41.14098, -81.56433) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 26.0838 | Other (At-Grade) Single-Lane | 2012 | Railroad crossing on west leg. ICD estimated from Google Maps linework. | 
| Buffalo,
                NY Erie Co. United States | Niagara Square (42.88642, -78.87815) | Other Existing | Other Other | 7 Approaches 0 Driveways 115.5118 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| 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 | |
| Athens,
                OH Athens Co. United States | E Stimson Ave. / N McKinley Ave. (39.33185, -82.08920) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 31.4092 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Athens,
                OH Athens Co. United States | Richland Ave. / SR 682 (S Plains Rd.) (39.31917, -82.10550) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.8826 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | ICD estimated from Google Maps linework. | 
| Raleigh,
                NC Wake Co. United States | Hillsborough Street / Shepard Street / Rosemary Street (35.79052, -78.67886) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 24.2198 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Raleigh,
                NC Wake Co. United States | Hillsborough Street / Dixie Trail / Friendly Drive (35.78964, -78.67565) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 100.7555 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Raleigh,
                NC Wake Co. United States | Hillsborough Street / Brooks Avenue (35.78921, -78.67351) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 72.6606 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Litchfield Park,
                AZ Maricopa Co. United States | Wigwam Creek Blvd. / Windsor Blvd. (33.51009, -112.32786) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 15.9331 | Other (At-Grade) Single-Lane | 2002 | ICD estimated from Google Maps linework. | 
| San Ramon,
                CA Contra Costa Co. United States | Monarch Rd. / Main Branch Rd. (37.76644, -121.91149) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.4357 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| San Ramon,
                CA Contra Costa Co. United States | S Monarch Rd. / Ivy Leaf Springs Rd. / Alpine Blue Dr. (37.76185, -121.91048) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 23.6048 | Other (At-Grade) Single-Lane | 2006 | Opened with 2 approaches, third one added 2014-2015. ICD estimated from Google Maps linework. | 
| Pleasanton,
                CA Alameda Co. United States | Mill Creek Pl. / Oak Vista Way (37.65794, -121.89347) | Traffic Calming Circle Existing | Uncontrolled None | 3 Approaches 1 Driveways 16.0738 | Other (At-Grade) Single-Lane | 2000 | Year Completed estimated (1993-2002). ICD estimated from Google Maps linework. | 
| Denver,
                CO Denver Co. United States | Sports Blvd. / Wright St. (39.71698, -104.89131) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 18.3738 | Other (At-Grade) Single-Lane | 1997 | Year Completed estimated (1993-1999). ICD estimated from Google Maps linework. | 
| Denver,
                CO Denver Co. United States | Sports Blvd. / Great Lawn Dr. (39.71922, -104.88740) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 15.6172 | Other (At-Grade) Single-Lane | 1997 | Year Completed estimated (1993-1999). ICD estimated from Google Maps linework. | 
| Aurora,
                CO Denver Co. United States | Yosemite Way. / First Ave. / Dayton St. (39.71878, -104.87592) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 49.6079 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | ICD estimated from Google Maps linework. | 
| Superior,
                CO Boulder Co. United States | McCaslin Blvd. / Coalton Rd. (39.92872, -105.16582) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 31.1393 | Other (At-Grade) Single-Lane | 2009 | ICD estimated from Google Maps linework. | 
| Loveland,
                CO Larimer Co. United States | Sky Pond Dr. / Mall Access Rd. / (parking lot) (40.41142, -104.99168) | Roundabout Existing | All-Way Yield None | 4 Approaches 1 Driveways 55.4717 | Other (At-Grade) Single-Lane | 2005 | Right-turn-only lane on southeast leg. ICD estimated from Google Maps linework. | 
| Loveland,
                CO Larimer Co. United States | Cross Roads Blvd. / Rocky Mountain Ave. (40.43602, -105.00153) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 34.5435 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | ICD estimated from Google Maps linework. | 
| Loveland,
                CO Larimer Co. United States | Clydesdale Pkwy. / Stallion Dr. (40.43774, -104.98796) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.2697 | Other (At-Grade) Single-Lane | 2008 | Year Completed estimated (2006-2010). ICD estimated from Google Maps linework. | 
| Columbia,
                MO Boone Co. United States | Bass Ave. / S Williams St. (38.94899, -92.31709) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 27.8651 | Other (At-Grade) Single-Lane | 2011 | ICD estimated from Google Maps linework. | 
| Kansas City,
                MO Clay Co. United States | NW 108th St. / N Summit St. (39.28953, -94.58976) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.6717 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2013 | Series of three roundabouts. ICD estimated from Google Maps linework. | 
| Kansas City,
                MO Clay Co. United States | N Shoal Creek Pkwy / N Eastern Ave (39.26697, -94.49252) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 82.2943 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | ICD estimated from Google Maps linework. | 
| Kansas City,
                MO Clay Co. United States | N Shoal Creek Pkwy / NE 96th St (39.26609, -94.48916) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 72.1240 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | ICD estimated from Google Maps linework. | 
| Kansas City,
                MO Clay Co. United States | NE Flintlock Rd / NE 76th St (39.23094, -94.47007) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 57.3581 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2013 | ICD estimated from Google Maps linework. | 
| Liberty,
                MO Clay Co. United States | Liberty Dr / Flintrock Rd (39.22231, -94.46337) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 40.7108 | Other (At-Grade) Single-Lane | 2013 | ICD estimated from Google Maps linework. | 
| Gilbert,
                IA Story Co. United States | Gretten St / Matthews Dr (42.10645, -93.64027) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 84.1769 | Other (At-Grade) Single-Lane | 2013 | ICD estimated from Google Maps linework. | 
| Johnston,
                IA Polk Co. United States | NW 106th St. / NW 62nd Ave. (41.67292, -93.76427) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | |
| Johnston,
                IA Polk Co. United States | NW 62nd Ave / Pioneer Hi-Bred Crick Bldg (41.67292, -93.72965) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 39.2527 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | ICD estimated from Google Maps linework. | 
| Johnston,
                IA Polk Co. United States | NW 62nd Ave / South Dr (41.67279, -93.72054) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 36.5765 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | ICD estimated from Google Maps linework. | 
| Johnston,
                IA Polk Co. United States | NW 62nd Ave / North Dr (41.67272, -93.71476) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 37.4686 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | ICD estimated from Google Maps linework. | 
| Johnston,
                IA Polk Co. United States | NW 62nd Ave / Pioneer Pkwy (41.67275, -93.71210) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 37.4686 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | ICD estimated from Google Maps linework. | 
| Charlottesville,
                VA Charlottesville Co. United States | 109 Burnet St (38.02424, -78.48827) | Traffic Calming Circle Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 13.1717 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2017 | Neighborhood mini-roundabout placed in lieu of all-way stop when a new section was added in residential development in the City of Charlottesville. ICD estimated from Google Maps linework. | 
| Charlottesville,
                VA Albemarle Co. United States | 775 Belvedere Blvd (38.07317, -78.45885) | Other Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 154.1935 | Other (At-Grade) Single-Lane | 2016 | Neighborhood Traffic Circle constructed with buildout of Belvedere Development ICD estimated from Google Maps linework. | 
| Warrenton,
                VA Fauquier Co. United States | Vint Hill Pkwy. / Watson Ct. / Farm Station Rd. (38.74607, -77.67465) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 41.9170 | Other (At-Grade) Single-Lane | 2017 | Fauquier County constructed a roundabout as part of the Vint Hill small area plan and new roadway alignments for Vint Hill Parkway/Watson and Weeks Roads. ICD estimated from Google Maps linework. | 
| Smithville,
                MO Clay Co. United States | MO-92 / S Commercial Ave. (39.36881, -94.57949) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 36.9324 | Other (At-Grade) Single-Lane | 2009 | ICD estimated from Google Maps linework. | 
| Kansas City,
                MO Platte Co. United States | N Serene Ave. / NW Prairie View Rd. (39.25268, -94.66677) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 29.5950 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Kansas City,
                MO Platte Co. United States | MO-45 (Tom Watson Pkwy.) / NW Union Chapel Rd. (MO K) (39.21999, -94.73524) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 55.5165 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | ICD estimated from Google Maps linework. |