| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Vista,
                CA San Diego Co. United States | S Santa Fe Ave. / Eucalyptus Ave. (33.19938, -117.24162) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 32.0040 | Other (At-Grade) Single-Lane | 2016 | Northwest and southeast S Santa Fe Avenue legs were reduced from two lanes to one lane in each direction 2015-2016. | 
| Vista,
                CA San Diego Co. United States | S Santa Fe Ave. / Guajome St. (33.19747, -117.23982) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 32.0040 | Other (At-Grade) Single-Lane | 2020 | |
| Billings,
                MT Yellowstone Co. United States | Meadow View Dr. / Meadow View Dr. (45.78325, -108.59372) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.9560 | Other (At-Grade) Single-Lane | 2017 | South leg stubbed. Year Completed estimated (2015-2018). | 
| Delaney Park,
                FL Orange Co. United States | Delaney Ave. / E Miller St. (28.52392, -81.37231) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Wadeview Park,
                FL Orange Co. United States | Delaney Ave. / E Grant St. (28.51663, -81.37224) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Azalea Park,
                FL Orange Co. United States | Cocos Dr. / S Forsyth Rd. / Beamer Way (28.54234, -81.29407) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 18.2880 | Other (At-Grade) Single-Lane | 2004 | |
| Olney,
                MD Montgomery Co. United States | Old Baltimore Rd. / Bishops Castle Dr. (39.14878, -77.04958) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Unknown Single-Lane | 2019 | Painted splitter islands on major street; no splitter islands on side street. | 
| Spanish Fork,
                UT Utah Co. United States | SR 147 (E 400 N) / SR 51 (40.11519, -111.63513) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | |
| Oxford,
                MS Lafayette Co. United States | Sisk Ave. / SR 7 SB Ramps (34.37316, -89.50185) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 44.1960 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2018 | Yield-controlled right-turn bypass lane on west leg with very small view angle to left. | 
| Oxford,
                MS Lafayette Co. United States | Sisk Ave. / SR 7 NB Ramps (34.37317, -89.50007) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 44.1960 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2018 | Merging right-turn bypass lane on east leg. | 
| Oxford,
                MS Lafayette Co. United States | Sisk Ave. / Ed Perry Blvd. (34.37316, -89.49881) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | |
| Oxford,
                MS Lafayette Co. United States | Sisk Ave. / Persimmon Ln. (34.37239, -89.48771) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 57.9120 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2014 | Initially built as traffic circle. Modified from circle to roundabout 2016-2019. Left lane trapped as left-turn-only lane but marked as through lane. | 
| Oxford,
                MS Lafayette Co. United States | S Lamar Blvd. / Van Buren Ave. / E Jackson Ave. (34.36641, -89.51870) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 1900 | Courthouse with pedestrian access and parking around central island. Year Completed estimated. | 
| Oxford,
                MS Lafayette Co. United States | CR 300 (34.34122, -89.53315) | Other Existing | Uncontrolled Unknown | 2 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2017 | No splitter islands. Future plans to add north and south legs to serve new housing. | 
| 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 | |
| Columbia,
                MO Boone Co. United States | Interstate 70 Dr. SE / N Keene St. (38.96117, -92.28877) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://www.facebook.com/ColumbiaMissouriPublicWorks/posts/the-roundabout-at-the-keene-street-and-i-70-drive-se-intersection-is-open-to-tra/3580714545294334/ | 
| Fishers,
                IN Hamilton Co. United States | Aldenham Blvd. / Doncaster Ct. / Lothbury Cir. (39.93879, -85.95016) | Other Existing | One-Way/Two-Way Stop None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands on three legs and minimal island on east leg. | |
| Noblesville,
                IN Hamilton Co. United States | Silver Moon Ct. / Stoney Moon Dr. / Estates Blvd. (40.03794, -85.96087) | Other Existing | Unknown None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Oxford,
                MS Lafayette Co. United States | University Ave. / Buddy East Pkwy. (34.35955, -89.48755) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://www.oxfordms.net/university-avenue-at-highway-6-closed-beginning-may-28th | 
| McCordsville,
                IN Hancock Co. United States | N Gateway Crossing Blvd. / W Dickens Crossing / N Kensington Way (39.88736, -85.92795) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands on three legs. | |
| Owings Mills,
                MD Baltimore Co. United States | Ballard Green Dr. / Wilson Shannon Dr. / Julia Ln. (39.39162, -76.80439) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2017 | Year Completed estimated (2017-2018). | 
| Muncie,
                IN Delaware Co. United States | N McKinley Ave. / (bus transfer station) (40.20897, -85.40813) | Other Existing | All-Way Stop None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| 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). | 
| Bridgeville,
                PA Washington Co. United States | Morganza Rd. / Morgan Rd. / Baker Rd. (40.31090, -80.14808) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2020 | |
| Carbondale,
                IL Jackson Co. United States | W Chautauqua St. / S McLafferty Rd. (37.71568, -89.23758) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2021 | North leg disconnected. https://explorecarbondale.com/676/Chautauqua-McLafferty-Roundabout-Complet | 
| Anacortes,
                WA Skagit Co. United States | SR 20 (Oakes Ave.) / Glasgow Way / Ship Harbor Blvd. (48.50251, -122.66661) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2020 | https://www.anacorteswa.gov/1172/Ship-Harbor-Boulevard-Roundabout---Compl | 
| Benton,
                AR Saline Co. United States | Congo Rd. / Longhills Rd. (34.60037, -92.56628) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2020 | Year Completed estimated (2019-2020). | 
| Farmington,
                MN Dakota Co. United States | 170th St. W / Chippendale Ave. W (SR 3) (44.70291, -93.13656) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2020 | http://www.dot.state.mn.us/metro/projects/hwy3farmington-empiretwp/index.html | 
| Paso Robles,
                CA San Luis Obispo Co. United States | SR 46 / Vineyard Dr. (35.55334, -120.76157) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2021 | |
| Denham Springs,
                LA Livingston Par. United States | Juban Crossing Blvd. / (parking) (east) (30.46981, -90.92104) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2014 | |
| Denham Springs,
                LA Livingston Par. United States | Juban Crossing Blvd. / (parking) (west) (30.46981, -90.92283) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2014 | |
| Easley,
                SC Pickens Co. United States | SC-153 / US 123 WB ramps (34.82975, -82.52968) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 42.6720 | Freeway Ramps (Grade-Separated) Single-Lane | 2020 | https://www.foxcarolina.com/news/scdot-final-stretch-of-sc-153-extension-has-opened-to-drivers-in-easley/article_8591b388-38e1-11eb-8f6e-27d8dc695ba6.html | 
| Easley,
                SC Pickens Co. United States | Rolling Hills Cir. / Lantham Rd. / SC-153 (34.83056, -82.53874) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2020 | https://www.foxcarolina.com/news/scdot-final-stretch-of-sc-153-extension-has-opened-to-drivers-in-easley/article_8591b388-38e1-11eb-8f6e-27d8dc695ba6.html | 
| Easley,
                SC Pickens Co. United States | Rolling Hills Cir. / Prince Perry Rd. (34.83093, -82.55276) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2020 | https://www.foxcarolina.com/news/scdot-final-stretch-of-sc-153-extension-has-opened-to-drivers-in-easley/article_8591b388-38e1-11eb-8f6e-27d8dc695ba6.html | 
| Lima,
                OH Allen Co. United States | Bellefontaine Ave. / E Elm St. (40.73790, -84.09132) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://www.hometownstations.com/news/roundabout-opens-as-elm-street-grade-separation-nears-completion/article_802ed108-a1e9-11ea-8052-931940d240f7.html | 
| Dulaney Forest,
                MD Baltimore Co. United States | E Ridgely Rd. / Margate Rd. (39.43199, -76.60754) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 19.8120 | Other (At-Grade) Single-Lane | 2013 | No raised splitter islands on side street. Year Completed estimated (2012-2014). | 
| Savannah,
                GA Chatham Co. United States | La Roche Ave. / Jasmine Ave. / Livingston Ave. (32.01532, -81.06601) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2019 | Elliptical shaped. ICD = 135 ft x 120 ft. https://www.savannahnow.com/entertainmentlife/20190719/pollys-people-down-roundabout. | 
| Sedona,
                AZ Coconino Co. United States | SR 89A / Jordan Rd. (34.86980, -111.76094) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://www.sedonaaz.gov/home/showpublisheddocument?id=43207 | 
| Sedona,
                AZ Coconino Co. United States | SR 89A / Owenby Rd. (34.87330, -111.75656) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://www.sedonaaz.gov/home/showpublisheddocument?id=43207 | 
| Snellville,
                GA Gwinnett Co. United States | Pharrs Rd. / Ridgedale Dr. (33.88255, -84.00238) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2019 | Skewed intersection. Year Completed estimated (2019-2020). | 
| Springdale,
                AR Washington Co. United States | Har Ber Ave. / Gene George Blvd. (36.18631, -94.19237) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 70.1040 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | |
| Elm Springs,
                AR Washington Co. United States | Elm Springs Rd. / Gene George Blvd. (36.19357, -94.19236) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 70.1040 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | |
| Tiffin,
                IA Johnson Co. United States | E Marengo Rd. (US 6) / Park Rd. (41.70604, -91.64711) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 53.3400 | Other (At-Grade) Single-Lane | 2019 | Designed for expansion to two-lane roundabout. Year Completed estimated (2019-2020). | 
| 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). | 
| Wildwood,
                MO St. Louis Co. United States | MO 109 / Main St. (38.58163, -90.64350) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2019 | Year Completed estimated (2019-2020). | 
| Wildwood,
                MO St. Louis Co. United States | MO 109 / MO 100 EB Ramps (38.58348, -90.64292) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2019 | Year Completed estimated (2019-2020). | 
| Kings Mountain,
                NC Cleveland Co. United States | W Mountain St. / S Cansler St. (35.23929, -81.34692) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 21.3360 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2019 | https://www.facebook.com/113196508716422/posts/roundabouts-progressingwork-on-the-mountain-and-cansler-street-roundabout-contin/2410715722297811/ | 
| McDonough,
                GA Henry Co. United States | Jonesboro Rd. / Doris St. (33.44801, -84.15701) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | https://movinghenryforward.org/2020/03/04/gdot-one-way-pair-to-be-complete-by-the-end-of-summer-2020/ | 
| Midway,
                UT Wasatch Co. United States | River Rd. / E 600 N / E Salazar Spring Rd. (40.52188, -111.46246) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2020 | |
| Midway,
                UT Wasatch Co. United States | N Whitaker Farm Way / E Memorial Hill Dr. (40.51857, -111.45938) | Other Existing | All-Way Yield None | 3 Approaches 0 Driveways 32.0040 | Other (At-Grade) Single-Lane | 2020 | No splitter islands on north and south legs. | 
| Quincy,
                FL Gadsden Co. United States | Barack Obama Blvd. (Atlanta St.) / Martin Luther King Blvd. (30.57779, -84.61040) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2019 | https://www.gadsdencountyfl.gov/news_detail_T34_R40.php | 
| Bakersfield,
                CA Kern Co. United States | SR 43 (Enos Ln.) / Stockdale Hwy. (35.35452, -119.25223) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://transportationfoundation.org/transportation-awards/ | 
| Bakersfield,
                CA Kern Co. United States | SR 119 (Taft Hwy.) / SR 43 (Enos Ln.) (35.26736, -119.25267) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2019 | https://www.bakersfield.com/news/two-roundabouts-going-in-on-highway-43-west-of-bakersfield/article_323d5924-ae51-11e9-a377-b70d0742572b.html | 
| Carson City,
                NV Carson City United States | S Carson St. / S Stewart St. (39.15348, -119.76692) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 47.2440 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | https://aroundcarson.com/2020/10/10/carson_street_construction-2/ | 
| Cleveland,
                AL Blount Co. United States | SR 79 / SR 160 (33.98382, -86.58768) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Single-Lane | 2020 | Yield-controlled right-turn bypass lane on east leg. Year Completed estimated (2019-2020). | 
| Chaska,
                MN Carver Co. United States | Lyman Blvd. / Norex Dr. (44.84894, -93.58895) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2020 | https://www.swnewsmedia.com/chaska_herald/news/local/highway-41-to-reopen-this-weekend-with-new-roundabout-at-lyman-boulevard/article_c9bc706b-49d8-5a8c-8286-e7b9d6127258.html | 
| Colorado Springs,
                CO El Paso Co. United States | Printers Pkwy. / Parkside Dr. (38.82888, -104.78714) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://gazette.com/government/new-1-9-million-printers-parkway-roundabout-will-open-saturday/article_9b0c6926-1ada-11eb-8af3-1fa948d84954.html | 
| 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 | |
| Odenton,
                MD Anne Arundel Co. United States | Piney Station Way / Black Oak Way / Barred Owl Way (39.05532, -76.70351) | Other Existing | Uncontrolled Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Odenton,
                MD Anne Arundel Co. United States | Strawberry Lake Way / Field Farm Way / Found Artifact Ct. (39.05052, -76.70858) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Oval shaped. Mix of stop and yield control. | |
| Crofton,
                MD Anne Arundel Co. United States | Cardinal Crest Dr. / Hallwood Ct. / Dalewood Ct. / Thornbury Ct. (38.99364, -76.67343) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Mix of stop and uncontrolled; no splitter islands. | |
| Billings,
                MT Yellowstone Co. United States | Old US 312 / Five Mile Rd. (45.86957, -108.42768) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://www.mdt.mt.gov/pubinvolve/billingsbypass/fmr.shtml | 
| Calera,
                AL Shelby Co. United States | CR 87 / Weather Vane Rd. (33.17305, -86.77906) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2021 | https://www.shelbycountyreporter.com/2021/05/01/roundabout-hoped-to-ease-traffic-flow-near-airport-exit/ | 
| Carlsbad,
                CA San Diego Co. United States | Kelly Dr. / Hillsdale Dr. (33.14870, -117.31127) | Traffic Calming Circle Existing | Other Unknown | 3 Approaches 1 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2014 | Hedionda Point neighborhood. Mix of top and yield control. | 
| Sammamish,
                WA King Co. United States | Issaquah-Fall City Rd. / 242nd Ave. SE (47.55712, -122.01726) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2021 | https://connect.sammamish.us/ifcr-project-look-ahead?category=11%2F5%2F19&tool=news_feed | 
| Sammamish,
                WA King Co. United States | SE Issaquah Fall City Rd. / 247th Pl. SE (47.56108, -122.00948) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2021 | https://connect.sammamish.us/ifcr-project-look-ahead?category=11%2F5%2F19&tool=news_feed | 
| Sammamish,
                WA King Co. United States | SE Issaquah-Fall City Rd. / Klahanie Dr. SE / 252nd Ave. SE (47.56365, -122.00398) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2021 | https://connect.sammamish.us/ifcr-project-look-ahead?category=11%2F5%2F19&tool=news_feed | 
| Quincy,
                WA Grant Co. United States | SR 28 (F St. SW) / 13th Ave. SW (47.23316, -119.87515) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2019 | https://www.facebook.com/120602431290592/posts/heres-a-birds-eye-view-of-the-roundabout-progress-the-intersection-is-scheduled-/3385784181439051/ | 
| Polychrome Historic District,
                MD Prince George's Co. United States | IKEA Center Blvd. / Milestone Way (39.02224, -76.92650) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | Mix of yield-controlled and uncontrolled entries. | |
| Center Valley,
                PA Lehigh Co. United States | Preston Ln. / (school entrances) (40.53579, -75.40111) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2019 | Year Completed estimated (2018-2020). | 
| Fort Wayne,
                IN Allen Co. United States | Coventry Ln. / (parking) (41.03712, -85.25558) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 22.8600 | Other (At-Grade) Single-Lane | 2000 | Year Completed estimated (1998-2002). | 
| Bloomington,
                IN Monroe Co. United States | Sample Rd. / I-69 NB Ramps (39.26581, -86.52203) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.1000 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Year Completed estimated (2016-2019). | 
| Bloomington,
                IN Monroe Co. United States | Sample Rd. / N Frontage Rd. W / I-69 SB Ramps (39.26595, -86.52428) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Year Completed estimated (2016-2019). | 
| Bloomington,
                IN Monroe Co. United States | Sample Rd. / N Wayport Rd. / N Frontage Rd. E (39.26549, -86.51969) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2017 | Year Completed estimated (2016-2019). | 
| Greensboro/ Bryant,
                AL Tuscaloosa Co. United States | 8th St. / 22nd Ave. (33.20773, -87.56445) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4320 | Other (At-Grade) Single-Lane | 2013 | No splitter islands. Year Completed estimated (2012-2014). | 
| West Tuscaloosa,
                AL Tuscaloosa Co. United States | 17th St. / 23rd Ave. (33.19755, -87.56182) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Building in central island. | |
| Springfield,
                MA Hampden Co. United States | Walnut St. / Alden St. / Hancock St. / Ashley St. (42.10143, -72.56719) | Roundabout Existing | All-Way Yield None | 6 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2020 | https://www.wwlp.com/news/local-news/hampden-county/six-corners-roundabout-project-completed-more-than-a-year-later/ | 
| Miami,
                FL Miami-Dade Co. United States | SW 6th St. / SW 31st Ave. (25.76678, -80.24502) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 22.8600 | Other (At-Grade) Single-Lane | 2013 | Year Completed estimated (2012-2013). | 
| Miami,
                FL Miami-Dade Co. United States | SW 6th St. / SW 62nd Ave. (25.76516, -80.29595) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4320 | Other (At-Grade) Single-Lane | 2011 | |
| Miami,
                FL Miami-Dade Co. United States | SW 2nd St. / SW 56th Ave. (25.76907, -80.28603) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.9080 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2016-2017). Replaced triangle of three intersections. | 
| Miami,
                FL Miami-Dade Co. United States | SW 6th St. / SW 53rd Ave. (25.76528, -80.28177) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 21.3360 | Other (At-Grade) Single-Lane | 2013 | Year Completed estimated (2011-2013). | 
| Miami,
                FL Miami-Dade Co. United States | SW 72nd Ave. / Tamiami Blvd. (25.76793, -80.31214) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2013 | Elliptical shaped. ICD 165 ft x 110 ft. | 
| Miami,
                FL Miami-Dade Co. United States | Tamiami Blvd. / SW 4th St. / SW 73rd Ave. (25.76638, -80.31408) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 32.0040 | Other (At-Grade) Single-Lane | 2007 | Elliptical shaped. ICD 120 ft x 90 ft. Year Completed estimated (2006-2007). | 
| Miami,
                FL Miami-Dade Co. United States | SW 4th St. / Flagami Blvd. (25.76639, -80.31526) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2013 | Peanut shaped. | 
| Miami,
                FL Miami-Dade Co. United States | Tamiami Canal Rd. / SW 6th St. (25.76453, -80.31701) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 24.3840 | Other (At-Grade) Single-Lane | 2014 | |
| Miami,
                FL Miami-Dade Co. United States | SW 17th St. / SW 19th Ave. (25.75670, -80.22630) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 21.3360 | Other (At-Grade) Single-Lane | 2007 | Year Completed estimated (2006-2007). | 
| Miami,
                FL Miami-Dade Co. United States | SW 16th St. / SW 18th Ave. (25.75820, -80.22434) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 21.3360 | Other (At-Grade) Single-Lane | 2007 | Year Completed estimated (2006-2007). | 
| Alexandria,
                LA Rapides Par. United States | Horseshoe Dr. / Jackson St. / Lodi Rd. / Twin Bridges Rd. (31.26321, -92.48980) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://twitter.com/la_dotd/status/1278833370127048704?lang=en | 
| Rocklin,
                CA Placer Co. United States | Crossings Dr. / Bass Pro Dr. (38.80077, -121.20376) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.1960 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2014 | Inside a mall parking area. Year Completed estimated (2013-2014). Partial concentric striped circulatory roadway. | 
| 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). | 
| North,
                SC Orangeburg Co. United States | Salley Rd. (SR 394) / Capital Way (SR 3) (33.60133, -81.22677) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2018 | |
| St Cloud,
                MN Stearns Co. United States | CR 4 / CR 120 (45.58656, -94.23933) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2019 | |
| Cayey,
                PR Cayey United States | Hwy 1 / Fernadez Garcia Avenida / Calle Emérito Cordero (18.10442, -66.16434) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 1 Driveways 170.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2017 | Year Completed estimated (2015-2017). | 
| Cayey,
                PR Monte Llano United States | Hwy 1 / Calle Tito Figueroa (Hwy 7715) / (unknown) (18.11612, -66.14562) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 200.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2016 | Year Completed estimated (2015-2017). | 
| Cayey,
                PR Cayey United States | Hwy 15 (Calle Evaristo Vázquez) / Calle José M. Puente / (unknown) (18.11231, -66.16328) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 170.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2019 | Concentric circulatory roadway markings. Year Completed estimated (2018-2019). | 
| Presidio,
                CA San Francisco Co. United States | Lincoln Blvd. / Girard Rd. (37.80065, -122.45385) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2021 | Separated bike lanes on all legs. https://sf.streetsblog.org/2021/03/01/presidios-dutch-roundabout/ | 
| Albertville,
                MN Wright Co. United States | Labeaux Ave. NE (CSAH 19) / 67th St. NE / W Laketowne Dr. (45.24827, -93.66329) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 53.3400 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | https://patch.com/minnesota/stmichael/wright-county-highway-38-set-open-albertville-otsego | 
| Matthews,
                NC Union Co. United States | (unknown) / (unknown) (35.00019, -80.69595) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2007 | Year Completed estimated (2007-2008). | 
| Bend,
                OR Deschutes Co. United States | NE Butler Market Rd. / NE Empire Ave. / NE 27th St. (44.08513, -121.26387) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | https://twitter.com/cityofbend/status/1303834536992747520 | 
| Bend,
                OR Deschutes Co. United States | NE Butler Market Rd. / NE Deschutes Market Rd. (44.08755, -121.25851) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | 2020 | https://www.bendbulletin.com/localstate/ceremony-planned-for-the-completion-of-empire-boulevard-corridor-improvements/article_3b5fe614-04e7-11eb-80a4-4325f6bbb4d7.html |