| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Davidsonville,
                MD Prince George's Co. United States  | 
            
                Town Center Blvd. / Emerald Way (38.94399, -76.73410)  | 
            
                Other Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            Inside shopping center. No splitter islands on east and west legs. | |
| 
                Davidsonville,
                MD Prince George's Co. United States  | 
            
                Health Center Dr. / (parking) (38.94925, -76.74452)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Charlottesville,
                VA Albemarle Co. United States  | 
            
                SR 20 (Stony Point Rd.) / SR 649 (Proffit Rd.) (38.08454, -78.40232)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | |
| 
                West Chicago,
                IL DuPage Co. United States  | 
            
                Technology Blvd. / Discovery Dr. / Innovation Dr. (north) (41.87817, -88.25418)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 64.0080  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2006 | Year Completed estimated (2005-2006). | 
| 
                West Chicago,
                IL DuPage Co. United States  | 
            
                Technology Blvd. / Discovery Dr. / Innovation Dr. (south) (41.87416, -88.25731)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 64.0080  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2006 | Year Completed estimated (2005-2006). | 
| 
                Marengo,
                IL McHenry Co. United States  | 
            
                SR 23 / Harmony Rd. (42.18243, -88.61803)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | Yield-controlled right-turn bypass lane on north leg. | 
| 
                (unincorporated),
                TX Fort Bend Co. United States  | 
            
                Southern Colony Ave. / Noontide Trl. (29.46309, -95.46790)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 23.7744  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2022 | |
| 
                Milwaukee,
                WI Milwaukee Co. United States  | 
            
                E Brown St. / N Hubbard St. (43.05646, -87.90838)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Milwaukee,
                WI Milwaukee Co. United States  | 
            
                N Hubbard St. / E Reservoir St. (43.05517, -87.90840)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Midtown,
                WI Milwaukee Co. United States  | 
            
                N 21st St. / W Barbee St. (43.05404, -87.93893)  | 
            
                Other Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            Pedestrian access to central island. | |
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 76th St. / Marty St. (38.99144, -94.67002)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.1541  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 78th St. / Marty St. (38.98766, -94.67005)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.4589  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 77th St. / Santa Fe Dr. (38.98947, -94.67123)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.4589  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 76th St. / Foster St. (38.99142, -94.67239)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.4589  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 78th St. / Foster St. (38.98765, -94.67240)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.4589  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 76th St. / Newton St. (38.99142, -94.67472)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.7637  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. Year Completed estimated (2001-2003). | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 78th St. / Newton St. (38.98766, -94.67470)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.4589  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. Year Completed is approximate. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 77th St. / Robinson St. (38.98947, -94.67590)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.4589  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. Year Completed estimated (2004-2005). | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 80th St. / Newton St. (38.98399, -94.67472)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.1541  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming measures constructed on 80th Street. Year Completed estimated (2008-2010). | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 80th St. / Hemlock St. (38.98399, -94.68171)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.1541  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming measures constructed on 80th Street. Year Completed estimated (2008-2010). | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 80th St. / Grandview St. (38.98399, -94.69105)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 16.4589  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | This was part of a larger neighborhood street reconstruction project on 80th Street. Year Completed estimated (2006-2007). | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                Oakmont St. / W 154th Terrace (38.84835, -94.72889)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.1541  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2020 | Developer built as part of an approved plan south of this location that required traffic calming measures. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                Travis Ln. / Travis St. / W 86th St. (38.97299, -94.66643)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.4317  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Prior to adding YIELD signs and striping, intersection only had one YIELD sign with a island in the middle. | 
| 
                Farmington Hills,
                MI Oakland Co. United States  | 
            
                Orchard Lake Rd. / (shopping center entrances) (42.52448, -83.35994)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)  | 
            
                4 Approaches 0 Driveways 51.8160  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2022 | |
| 
                Wadsworth,
                OH Medina Co. United States  | 
            
                SR 57 / Seville Rd. (41.01026, -81.75347)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | https://www.transportation.ohio.gov/about-us/news/district-3/10-26-22-roundabout-is-open-at-state-route-57-and-seville-road-in-wadsworth | 
| 
                Buckeye,
                AZ Maricopa Co. United States  | 
            
                W Westpark Loop / W Lower Buckeye Rd. (33.42018, -112.60342)  | 
            
                Rotary Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 60.9600  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2005 | Concentric striped circulatory roadway. Lane change required for driver making movement from left lane of northeast entry to the southeast exit. | 
| 
                Buckeye,
                AZ Maricopa Co. United States  | 
            
                W Westpark Loop / W Warner St. (33.41611, -112.60337)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | |
| 
                Guaynabo,
                PR Frailes United States  | 
            
                Carretera Acueducto (PR 833) / Calle Príncipe de Asturias (Avenida los Filtros) (18.37477, -66.13139)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2016 | |
| 
                Guaynabo,
                PR Santa Rosa United States  | 
            
                Calle Príncipe de Asturias (Las Cumbres Avenida) / Rey Arturo (18.36337, -66.12522)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2016 | |
| 
                Guaynabo,
                PR Guaynabo United States  | 
            
                Calle Cecilio Urbina / Calle José de Diego (18.35553, -66.11241)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 24.3840  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | Painted splitter island on northeast leg. | 
| 
                Guaynabo,
                PR Santa Rosa United States  | 
            
                Carretera 837 / Calle Orquidea (18.35663, -66.11644)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 28.9560  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | |
| 
                Guaynabo,
                PR Santa Rosa United States  | 
            
                Carretera 837 / Avenida David Urbina (18.34953, -66.11586)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Year Completed estimated (2006-2010). | 
| 
                Guaynabo,
                PR Camarones United States  | 
            
                Avenida David Urbina / Calle Carazo (PR 169) (18.35001, -66.11017)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Year Completed estimated (2006-2010). | 
| 
                Guaynabo,
                PR Guaynabo United States  | 
            
                Carretera 886 / Calle Colton (18.35904, -66.11460)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.4800  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | |
| 
                Grovetown,
                GA Columbia Co. United States  | 
            
                Kelarie Way / Bancroft Dr. / Dublini Loop (33.50584, -82.24754)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Year Completed estimated (2016-2019). | 
| 
                Charlottetown,
                PE Queens Canada  | 
            
                St Peters Rd. / Belvedere Ave. / Falconwood Dr. / Brackley Point Rd. (46.25888, -63.11950)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2022 | https://twitter.com/ChtownPE/status/1601305941785264128?cxt=HHwWgICqzaPR_bgsAAAA https://www.saltwire.com/atlantic-canada/news/major-charlottetown-roundabout-project-to-begin-in-july-100733988/ | 
| 
                Toa Alta,
                PR Contorno United States  | 
            
                PR 165 / PR 165R / Calle 1 (18.39162, -66.25352)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 60.9600  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2005 | Northeast and southeast legs approaches have painted splitter islands. Year Completed estimated (2004-2006). | 
| 
                Guaynabo,
                PR Pueblo Viejo United States  | 
            
                Avenida Ponce de León / Calle Rodroigo de Triana / Avenida del Commercio (18.42835, -66.11307)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2014 | Peanut shaped. | 
| 
                Southfield,
                MI Oakland Co. United States  | 
            
                Coral Bells Dr. / Windflower Dr. / Violet Dr. (42.51039, -83.22182)  | 
            
                Other Unknown  | 
            
                Unknown None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                South Lyon,
                MI Oakland Co. United States  | 
            
                Nine Mile Rd. / Currie Rd. (42.44831, -83.59180)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | Opened November 21, 2022. | 
| 
                Fort Wayne,
                IN Allen Co. United States  | 
            
                E Ludwig Rd. / Oakbrook Pkwy. (41.14005, -85.13911)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | https://www.wane.com/news/local-news/fort-wayne-adds-traffic-light-at-reworked-coldwater-ludwig-area/ https://www.wane.com/news/local-news/public-meeting-held-for-rework-of-coldwater-ludwig-intersection/ https://www.fortwaynesnbc.com/2022/12/07/new-roundabout-opens-w-ludwig-road-city-highlights-record-infrastructure-investments/ https://www.youtube.com/watch?v=rO5Oxt4pF2E | 
| 
                Katy,
                TX Fort Bend Co. United States  | 
            
                Katy Village Pkwy. / Pin Oak Ct. (29.78180, -95.81551)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 42.6717  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | |
| 
                Rochester Hills,
                MI Oakland Co. United States  | 
            
                E Auburn Rd. / Harrison Ave. (42.63763, -83.09821)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.4317  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | Pair of roundabouts installed as part of a streetscape renovation. | 
| 
                Iowa City,
                IA Johnson Co. United States  | 
            
                Herbert Hoover Hwy. NE / I-80 WB Ramps (41.67198, -91.44380)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2022 | Previous intersection was entrance ramp only. https://www.news.iowadot.gov/newsandinfo/2022/06/eastbound-i-80-ramps-at-herbert-hoover-highwayjohnson-county-road-f-44-exit-249-in-johnson-county-to.html | 
| 
                Iowa City,
                IA Johnson Co. United States  | 
            
                Herbert Hoover Hwy. SE / I-80 EB Ramps (41.67099, -91.44629)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2022 | Previous intersection was exit ramp only. https://www.news.iowadot.gov/newsandinfo/2022/06/eastbound-i-80-ramps-at-herbert-hoover-highwayjohnson-county-road-f-44-exit-249-in-johnson-county-to.html | 
| 
                Rocklin,
                CA Placer Co. United States  | 
            
                Rocklin Rd. / Pacific St. (38.79073, -121.23610)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2023 | Yield-controlled right-turn bypass lanes on west and south legs; add-lane right-turn bypass lane on east leg. https://www.rocklin.ca.us/roundabout | 
| 
                (unincorporated),
                NE Sarpy Co. United States  | 
            
                S 180th St. / Cornhusker Rd. (41.16150, -96.19661)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | Year Completed estimated (2022-2023). | 
| 
                Lakewood,
                WA Pierce Co. United States  | 
            
                North Gate Rd. SW / Edgewood Ave. SW / Winona St. SW (47.14678, -122.56385)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | https://www.kiro7.com/news/south-sound-news/stolen-car-stopped-by-wet-cement-lakewood/GDU77T3M6NC2RKBPTKKY5N53SA/ | 
| 
                Kalispell,
                MT Flathead Co. United States  | 
            
                US 2 / Springcreek Rd. / Dern Rd. (48.19696, -114.37378)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Single-Lane  |   
            2021 | https://www.mdt.mt.gov/pubinvolve/dernspring/ | 
| 
                Viviers-du-Lac,
                Auvergne-Rhône-Alpes Savoie France  | 
            
                D1202 (Les Rives du Lac) / D1201a (Route du Bourget) / D17b (Route du Lac) (45.64779, 5.89304)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            Two entries have two lanes both designated as through movements but with single-lane exits throughout. | |
| 
                Viviers-du-Lac,
                Auvergne-Rhône-Alpes Savoie France  | 
            
                D1201 (Les Rives du Lac) / D50 / Chemin du Port (45.65105, 5.89320)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Voglans,
                Auvergne-Rhône-Alpes Savoie France  | 
            
                D1201 (Route d'Aix) / D17 / Route de l'Aéroport (45.63766, 5.89217)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Voglans,
                Auvergne-Rhône-Alpes Savoie France  | 
            
                D1504 / D1201 Ramps (45.61639, 5.88404)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 96.0000  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Chambéry,
                Auvergne-Rhône-Alpes Savoie France  | 
            
                Avenue de Villarcher / Rue des Marais (45.61489, 5.88752)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Chambéry,
                Auvergne-Rhône-Alpes Savoie France  | 
            
                Avenue de Villarcher / Rue des Marais (45.61268, 5.88781)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Chambéry,
                Auvergne-Rhône-Alpes Savoie France  | 
            
                Rue de Belle Eau / Avenue de Villarcher (45.61041, 5.88918)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 28.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Waynesville,
                MO Pulaski Co. United States  | 
            
                Historic Route 66 / Hwy T (37.81205, -92.23491)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | Year Completed estimated (2016-2018). | 
| 
                Bonne Terre,
                MO St. Francois Co. United States  | 
            
                Old Orchard Rd. / Raider Rd. / US 67 SB Ramps (37.91037, -90.53216)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 47.2440  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2008 | Elliptical shaped. ICD = 155 ft x 145 ft. Year Completed estimated (2007-2009). | 
| 
                Bonne Terre,
                MO St. Francois Co. United States  | 
            
                Old Orchard Rd. / US 67 NB Ramps (37.91294, -90.53029)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 53.3400  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2008 | Year Completed estimated (2007-2009). | 
| 
                Lino Lakes,
                MN Anoka Co. United States  | 
            
                Birch St. / Tomahawk Trl. (45.14236, -93.11531)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Single-Lane  |   
            2021 | Completed October 2021. | 
| 
                Lino Lakes,
                MN Anoka Co. United States  | 
            
                Birch St. / Shadow Lake Dr. (45.14228, -93.10960)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Single-Lane  |   
            2021 | Completed October 2021. | 
| 
                Afton,
                VA Albemarle Co. United States  | 
            
                US 250 (Rockfish Gap Turnpike) / SR 151 (Critzers Shop Rd.) (38.02982, -78.80684)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | https://www.blueridgelife.com/2022/11/17/250-151-roundabout-is-active-so-far-so-good-but-its-early/ | 
| 
                Kansas City,
                MO Clay Co. United States  | 
            
                N Shoal Creek Pkwy. / Maplewoods Pkwy. (39.28995, -94.55702)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 51.8160  | 
            
                Other (At-Grade) Single-Lane  |   
            2021 | Merging right-turn bypass lane lane on west leg. https://www.kcmo.gov/Home/Components/FacilityDirectory/FacilityDirectory/139/360?npage=2 | 
| 
                Kansas City,
                MO Clay Co. United States  | 
            
                N Maplewoods Pkwy. / NE 106th St. / NE Staley Ferris Dr. (39.28508, -94.55712)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 51.8160  | 
            
                Other (At-Grade) Single-Lane  |   
            2021 | Peanut shaped. Replaced two offset T-intersections. https://www.kcmo.gov/Home/Components/FacilityDirectory/FacilityDirectory/139/360?npage=2 | 
| 
                Kansas City,
                MO Clay Co. United States  | 
            
                N Maplewoods Pkwy. / New Mark Dr. / NE 100th St. (39.27475, -94.55715)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2021 | https://www.kcmo.gov/Home/Components/FacilityDirectory/FacilityDirectory/139/360?npage=2 | 
| 
                Kansas City,
                MO Clay Co. United States  | 
            
                N Maplewoods Pkwy. / NE 96th St. (39.26747, -94.55716)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2021 | East leg stubbed. https://www.kcmo.gov/Home/Components/FacilityDirectory/FacilityDirectory/139/360?npage=2 | 
| 
                Kansas City,
                MO Platte Co. United States  | 
            
                Line Creek Pkwy. / Tiffany Springs Rd. (39.25957, -94.61010)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 51.8160  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2021 | |
| 
                Kansas City,
                MO Clay Co. United States  | 
            
                N Booth Ave. / NE Shoal Creek Valley Dr. / Commercial Dr. (39.24626, -94.47674)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 44.1960  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2020 | Yield-controlled right-turn bypass lane on west leg. Year Completed estimated (2020-20210. | 
| 
                Kansas City,
                MO Clay Co. United States  | 
            
                NE Shoal Creek Valley Dr. / (unknown) (39.24673, -94.47459)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | |
| 
                Sedalia,
                MO Pettis Co. United States  | 
            
                Rte Y (W 16th St.) / Winchester Dr. (38.69957, -93.27763)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | Year Completed estimated (2010-2012). | 
| 
                Folsom,
                CA Sacramento Co. United States  | 
            
                Grand Prairie Rd. / Rustic Ridge Dr. (38.63617, -121.09165)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0520  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Year Completed estimated (2018-2019). | 
| 
                Folsom,
                CA Sacramento Co. United States  | 
            
                Grand Prairie Rd. / Rustic Ridge Dr. / Alder Creek Pkwy (38.64059, -121.09212)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0520  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Year Completed estimated (2018-2019). | 
| 
                (unincorporated),
                OH Delaware Co. United States  | 
            
                Eagles Landing Dr. / Liberty Grand Blvd. (40.20685, -83.10250)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | Year Completed estimated (2019-2021). | 
| 
                Delaware,
                OH Delaware Co. United States  | 
            
                SR 521 / Byxbe Pkwy. (40.30186, -83.02598)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | https://engineer.co.delaware.oh.us/image_slider/byxbe-campus-project-2022/ | 
| 
                Avila Beach,
                CA San Luis Obispo Co. United States  | 
            
                Avila Beach Dr. / Palisades Rd. / US 101 SB Ramps (35.17977, -120.70042)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 44.1960  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            Anticipated opening in fall of 2024. | |
| 
                Santa Barbara,
                CA Santa Barbara Co. United States  | 
            
                Olive Mill Rd. / Coast Village Rd. / N Jameson Ln. / US 101 Ramps (34.42156, -119.63993)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                5 Approaches 0 Driveways 46.3296  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2024 | Opened May 2024. https://www.youtube.com/watch?v=QKQzLS7q3iw | 
| 
                Montecito,
                CA Santa Barbara Co. United States  | 
            
                San Ysidro Rd. / N Jameson Ln. / US 101 NB Ramps (34.42287, -119.63152)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                5 Approaches 0 Driveways 53.6445  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2024 | This is an unique kidney shaped single-lane roundabout (approx. varying ICD 176' x 116'). Opened May 2024. https://www.youtube.com/watch?v=QKQzLS7q3iw | 
| 
                San Juan Bautista,
                CA San Benito Co. United States  | 
            
                SR 156 (San Juan Hollister Rd.) / Bixby Rd. (36.84096, -121.49042)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 68.2749  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            ICD 224 ft x 211 ft. Anticipated opening year in 2025. | |
| 
                Castroville,
                CA Monterey Co. United States  | 
            
                (unknown) / SR 156 EB Ramps (36.76908, -121.73823)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 41.7573  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            Anticipated opening year 2025. Future 3rd leg is planned to connect to BlackieRd. | |
| 
                Castroville,
                CA Monterey Co. United States  | 
            
                (unknown) / SR 156 WB Ramps (36.77058, -121.73771)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 53.3400  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            Anticipated opening year 2025. | |
| 
                Castroville,
                CA Monterey Co. United States  | 
            
                Castroville Blvd. / (unknown) (36.77419, -121.74051)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 49.3776  | 
            
                Other (At-Grade) Single-Lane  |   
            Anticipated opening year 2025. | |
| 
                Fisherman Flats,
                CA Monterey Co. United States  | 
            
                SR 68 / Josselyn Canyon Rd. (36.58359, -121.85655)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 46.7868  | 
            
                Other (At-Grade) Single-Lane  |   
            Anticipated opening year 2029. | |
| 
                Monterey,
                CA Monterey Co. United States  | 
            
                SR 68 / Olmsted Rd. (36.58399, -121.84976)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 46.6344  | 
            
                Other (At-Grade) Single-Lane  |   
            Anticipated opening year 2029. | |
| 
                Del Rey Oaks,
                CA Monterey Co. United States  | 
            
                SR 68 / Canyon del Rey Blvd. / Monterra Rd. (36.58090, -121.82797)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 52.5780  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            Anticipated opening year 2029. | |
| 
                Monterey,
                CA Monterey Co. United States  | 
            
                SR 68 / York Rd. (36.57156, -121.80839)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 46.7868  | 
            
                Other (At-Grade) Single-Lane  |   
            Anticipated opening year 2029. | |
| 
                Salinas,
                CA Monterey Co. United States  | 
            
                SR 68 ./ Pasadera Dr. / Boots Rd. (36.56766, -121.77857)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 46.9087  | 
            
                Other (At-Grade) Single-Lane  |   
            Anticipated opening year 2029. | |
| 
                Salinas,
                CA Monterey Co. United States  | 
            
                SR 68 / Laureles Grade Rd. (36.56964, -121.75566)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 46.5427  | 
            
                Other (At-Grade) Single-Lane  |   
            Future 4th leg connects to Laguna Seca Entrance. Anticipated opening year 2029. | |
| 
                Salinas,
                CA Monterey Co. United States  | 
            
                SR 68 / Corral de Tierra Rd. / Cypress Church Dr. (36.57854, -121.72709)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 46.1772  | 
            
                Other (At-Grade) Single-Lane  |   
            Oval shaped. ICD = 151.5 ft x 141.5 ft. Anticipated opening year 2029. | |
| 
                Salinas,
                CA Monterey Co. United States  | 
            
                SR 68 / San Benancio Rd. (36.57977, -121.72073)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 45.2323  | 
            
                Other (At-Grade) Single-Lane  |   
            Anticipated opening year 2029. | |
| 
                Templeton,
                CA San Luis Obispo Co. United States  | 
            
                N Main St. / US 101 NB Ramps (35.56543, -120.70151)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 56.0829  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)  |   
            Oval shaped. ICD = 184 ft x 157 ft. Anticipated opening year 2030. | |
| 
                Templeton,
                CA San Luis Obispo Co. United States  | 
            
                N Main St. / US 101 SB Ramps / Theatre Dr. (35.56644, -120.70261)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 43.8909  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            Anticipated opening year 2030. | |
| 
                Morro Bay,
                CA San Luis Obispo Co. United States  | 
            
                Atascadero Rd. / US 101 NB Ramps / Main St. (35.38023, -120.85489)  | 
            
                Roundabout Unknown  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 48.7680  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)  |   
            Oval shaped. ICD = 160 ft x 130 ft. Anticipated opening year 2026. | |
| 
                New Haven,
                CT New Haven Co. United States  | 
            
                Chapel St. / Yale Ave. (41.31448, -72.95891)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2023 | Peanut shaped. Replaces skewed intersection. https://www.fox61.com/video/news/local/new-haven-county/new-haven/first-of-its-kind-peanut-shaped-roundabout-opens-in-new-haven/520-3db77500-495f-4ae7-a441-ed85863cd327 | 
| 
                Raymore,
                MO Cass Co. United States  | 
            
                MO 58 / Ward Rd. (38.80255, -94.40147)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | https://www.raymore.com/Home/Components/News/News/2466/ | 
| 
                Raymore,
                MO Cass Co. United States  | 
            
                S Madison St. / (park access) (38.78857, -94.45769)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | Year Completed estimated (2009-2010). | 
| 
                Whittlesford,
                England Cambridgeshire United Kingdom  | 
            
                A505 / M11 Ramps (52.09854, 0.13804)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Whittlesford,
                England Cambridgeshire United Kingdom  | 
            
                Hunts Road Roundabout: A505 / Hunts Rd. (52.10111, 0.14380)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            ||
| 
                Beaverton,
                OR Washington Co. United States  | 
            
                SW 92nd Ave. / SW Allen Blvd. (45.47149, -122.77200)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)  | 
            
                3 Approaches 0 Driveways 32.0040  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | RRFB at shared-use crossing on south leg serving Fanno Creek Trail. https://www.beavertonoregon.gov/718/CIP-3112---Allen-Blvd92nd-Ave-Shared-Use?contentId=2643d655-60c2-481d-bf75-2f33d242b523 | 
| 
                Menasha,
                WI Winnebago Co. United States  | 
            
                Racine St. / Main St. (44.20131, -88.44619)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2022 | https://fox11online.com/news/state/wisconsin-roundabouts-traffic-intersections-lee-rodegerdts-washington-post-analysis-data-study Image of this roundabout is the 2nd picture in the set of 5 at the top of the page. | 
| 
                Menasha,
                WI Winnebago Co. United States  | 
            
                Ahnaip St. / Racine St. / Keyes St. / Naymut St. (44.19843, -88.44508)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | Previously a 3-way stop. https://www.wearegreenbay.com/news/local-news/supply-chain-issues-halting-construction-progression-in-winnebago-county/ |