| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| ,
                Crete Khaniá Greece | (unknown) (35.53297, 24.06983) | Unknown Existing | Unknown Unknown | 2 Approaches 1 Driveways | Other (At-Grade) Single-Lane | ||
| ,
                HI Honolulu Co. United States | 'Onohi'ula St. / Kamalie Mua St. (21.36087, -158.04215) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2019 | Year Completed estimated (2019-2021). | 
| (uninc),
                GA Paulding Co. United States | Ridge Rd. / Bob Hunton Rd. / Cohran Store Rd. (33.80461, -84.84089) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2022 | Year Completed estimated (2019-2022). | 
| (unincorporated),
                GA Newton Co. United States | GA 212 / GA 162 (33.46482, -83.90782) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2025 | https://www.youtube.com/watch?v=tNxG06uRLL4 | 
| (unincorporated),
                CO Jefferson Co. United States | US 40 / CR 65 / I-70 WB Exit Ramp (39.71621, -105.39166) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2024 | Year Completed estimated (2023-2024). https://www.codot.gov/projects/i70floydhill/earlyprojects. | 
| (unincorporated),
                TX Fort Bend Co. United States | Bissonnet St. / Trillium Glade Dr. (29.67321, -95.70169) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2025 | |
| (unincorporated),
                OR Washington Co. United States | SR 10 (SW Farmington Rd.) / SW River Rd. (45.44878, -122.94764) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2025 | |
| (unincorporated),
                TX Fort Bend Co. United States | Tamarron Pkwy. / Jordan Ranch Blvd. (29.73263, -95.90115) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 53.3400 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2025 | |
| (unincorporated),
                TX Fort Bend Co. United States | Brandt Rd. / James Long Pkwy. (29.64406, -95.75007) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2024 | |
| (unincorporated),
                WA Clark Co. United States | NE 99th St. / 107th Ave. (45.69338, -122.56319) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | Previous control was Yield for northbound traffic, Stop for eastbound traffic, none for westbound traffic. https://www.clarkcountytoday.com/news/intersection-of-ne-99th-street-and-ne-107th-avenue-closed-beginning-aug-14/ | 
| (unincorporated),
                SC Berkeley Co. United States | US 176 (State Rd.) / Mudville Rd. (33.20839, -80.25724) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2024 | https://info2.scdot.org/SCDOTPress/Lists/Posts/Post.aspx?ID=3627 | 
| (unincorporated),
                FL Flagler Co. United States | SR 11 / CR 304 (29.34334, -81.31095) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://flaglerlive.com/codys-corner-roundabout-now-open-to-traffic-as-flaglers-3-once-deadliest-intersections-are-tamed/ | 
| (unincorporated),
                LA Calcasieu Par. United States | SR 14 (Gerstner Memorial Blvd.) / Ward Line Rd. (30.15787, -93.12882) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.kplctv.com/video/2023/06/29/gerstner-memorial-blvd-ward-line-rd-runabout-project-moves-new-construction-phase/ | 
| (unincorporated),
                GA Paulding Co. United States | Seven Hills Blvd. / Blackberry Run Dr. / Bent Leaf Dr. (34.02534, -84.78221) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2024 | Year Completed estimated (2023-2024). | 
| (unincorporated),
                CA Plumas Co. United States | SR 36 / CR A13 (40.30580, -121.14170) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2024 | South leg disconnected from existing TWSC intersection and shifted about 250 feet east along SR 36 to make two T-intersections. Roundabout designed for OSOW vehicles along SR 36. https://www.facebook.com/story.php?story_fbid=122177854508225216&id=61556756493806&_rdr | 
| (unincorporated),
                TX Fort Bend Co. United States | Old Richmond Rd. / Voss Rd. (29.64542, -95.66199) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2024 | |
| (unincorporated),
                UT Kane Co. United States | SR 9 (Zion Park Scenic Byway) / North Fork Rd. (37.23921, -112.83215) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://kmyu.tv/news/local/udot-construction-projects-this-spring-summer-fall-autumn-2024-mountain-view-corridor-completion-date-i-15-travel-conditions-why-arent-potholes-being-filled-repaired-new-roads-traffic-forecast | 
| (unincorporated),
                TX Fort Bend Co. United States | Cross Creek West Blvd. / Fulshear Bend Dr. (29.72055, -95.91471) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 57.9120 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2024 | |
| (unincorporated),
                TX Fort Bend Co. United States | Jordan Ranch Blvd. / Tamarron Point (29.72889, -95.90213) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 57.9120 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | |
| (unincorporated),
                TX Fort Bend Co. United States | Fulshear Lakes Way / Fulshear School Rd. (29.68738, -95.93333) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 42.6717 | Other (At-Grade) Single-Lane | 2023 | |
| (unincorporated),
                TX Fort Bend Co. United States | Waters Lake Blvd. / Heritage Park Dr. (29.46639, -95.51385) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 53.3400 | Other (At-Grade) Single-Lane | 2023 | |
| (unincorporated),
                TX Fort Bend Co. United States | Waters Lake Blvd. / Crescent Spring Dr. (29.46182, -95.51324) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 53.3400 | Other (At-Grade) Single-Lane | 2023 | |
| (unincorporated),
                TX Fort Bend Co. United States | Mason Rd. / Beechnut St. (29.68438, -95.73837) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8637 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2024 | |
| (unincorporated),
                TN Meigs Co. United States | Hwy 68 / Hwy 58 (35.61721, -84.70638) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | |
| (unincorporated),
                SC York Co. United States | SR 324 (McFarland Rd.) / SR 347 (Gordon Rd.) / Cameron Rd. (34.91962, -81.16901) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2013 | Previously controlled by three-way stop with SC 324 free-flowing. Year Completed estimated (2011-2013). | 
| (unincorporated),
                TX Fort Bend Co. United States | Fulshear Lakes Way / Lou Waters Pkwy. (29.69822, -95.93432) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2024 | |
| (unincorporated),
                TX Fort Bend Co. United States | Brandt Rd. / Precinct Line Rd. (29.64342, -95.75787) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2024 | |
| (unincorporated),
                VA Franklin Co. United States | Brooks MIll Rd. / Burnt Chimney Rd. (37.08298, -79.75024) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2023 | https://smithmountainlake.com/news/local/roundabout-nears-completion-in-wirtz/article_9b2f9388-6aa1-11ed-b7ac-97a4072aa749.html | 
| (unincorporated),
                FL Pinellas Co. United States | Carillon Pkwy. / Tower Pl. / (parking) (27.89215, -82.66275) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2021 | Oval shaped. ICDs of 100 ft and 85 ft with outer dimensions 150 ft x 90 ft. No splitter island on east leg. | 
| (unincorporated),
                TX Fort Bend Co. United States | Tamarron Point / Tamarron Park (29.72909, -95.91359) | Unknown Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2023 | Fully mountable splitter and center islands | 
| (unincorporated),
                TX Hays Co. United States | Ledge Stone Dr. / Rocky Ridge Trl. (30.20694, -97.97889) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2007 | Initially constructed 2006-2008 with southeast and northeast legs. Northwest leg added 2013-2014. Southwest leg added 2020-2021. | 
| (unincorporated),
                NC Robeson Co. United States | Leeper Rd. / I-295 SB Ramps (34.92075, -78.97889) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | https://abc11.com/nc-fayetteville-outer-loop-i295-new-sections-open/12478490/ | 
| (unincorporated),
                NC Robeson Co. United States | Leeper Rd. / I-295 NB Ramps (34.92281, -78.97772) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | https://abc11.com/nc-fayetteville-outer-loop-i295-new-sections-open/12478490/ | 
| (unincorporated),
                NC Cumberland Co. United States | Old Plank Rd. / I-295 SB Ramps (34.94793, -78.99697) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | Yield-controlled right-turn bypass lanes on north and west legs. https://abc11.com/nc-fayetteville-outer-loop-i295-new-sections-open/12478490/ | 
| (unincorporated),
                NC Cumberland Co. United States | Old Plank Rd. / I-295 NB Ramps (34.94791, -78.99430) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | Yield-controlled right-turn bypass lanes on south and east legs. https://abc11.com/nc-fayetteville-outer-loop-i295-new-sections-open/12478490/ | 
| (unincorporated),
                NC Robeson Co. United States | SR 71 / Leeper Rd. (SR 1717) (34.90711, -78.99060) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2022 | https://www.aaroads.com/guides/nc-071/ | 
| (unincorporated),
                ON Simcoe Canada | CR 14 / Bayberry Dr. (44.02934, -79.85396) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2023 | |
| (unincorporated),
                NV Clark Co. United States | SR 156 (Lee Canyon Rd.) / Forest Road 106 (36.31974, -115.67259) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2015 | Year Completed estimated (2013-2016). | 
| (unincorporated),
                NC Cumberland Co. United States | Blacks Bridge Rd. / Old Plank Rd. (34.94696, -78.98484) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | Yield-controlled right-turn bypass lane on west leg. | 
| (unincorporated),
                CA Kern Co. United States | SR 223 (E Bear Mountain Blvd.) / SR 184 / N Wheeler Ridge Rd. (35.20859, -118.91460) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2022 | https://bakersfieldnow.com/news/local/caltrans-to-begin-roundabout-construction-on-bear-mountain-blvd | 
| (unincorporated),
                SC Dorchester Co. United States | SC 61 (Beech Hill Rd.) / Summers Dr. (32.95271, -80.26081) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2015 | |
| (unincorporated),
                GA Columbia Co. United States | US 221 (Appling Harlem Rd.) / I-20 EB Ramps (33.49596, -82.31523) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2023 | Yield-controlled right-turn bypass lanes on south leg. https://www.wfxg.com/story/48383413/applingharlem-road-exit-roundabouts-open-to-traffic. | 
| (unincorporated),
                GA Columbia Co. United States | US 221 (Appling Harlem Rd.) / I-20 WB Ramps (33.49769, -82.31505) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2023 | Yield-controlled right-turn bypass lane on east leg. https://www.wfxg.com/story/48383413/applingharlem-road-exit-roundabouts-open-to-traffic. | 
| (unincorporated),
                SC Lancaster Co. United States | SC 522 (Rocky River Rd.) / SC 123 (Taxahaw Rd.) (34.71569, -80.62095) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | http://info2.scdot.org/projects/ViewerFiles/P030240%20-%20PIM%20Handout.pdf | 
| (unincorporated),
                MN Scott Co. United States | STH 13 (Langford Ave.) / CR 8 (E 220th St.) (44.63049, -93.50170) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2022 | https://www.dot.state.mn.us/metro/projects/hwy13-spring-lake-cedar/index.html | 
| (unincorporated),
                PA Westmoreland Co. United States | Waltz Mill Rd. / I-70 EB Ramps (40.21090, -79.66617) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2023 | Raindrop shaped. Year Completed estimated (2021-2023). | 
| (unincorporated),
                GA Banks Co. United States | GA 59 / GA 63 (34.29408, -83.40714) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | Replaced triangular intersection. Year Completed estimated (2021-2022). | 
| (unincorporated),
                WA King Co. United States | Redmond Ridge Dr. / NE Alder Crest Dr. (47.69211, -122.03572) | Roundabout Unknown | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://kingcounty.gov/en/dept/local-services/transit-transportation-roads/roads-and-bridges/projects-and-programs/redmond-ridge-dr-ne-roundabout (open to traffic, but final paving delayed by weather until Spring 2024) | 
| (unincorporated),
                VA Henrico Co. United States | Darbytown Rd. / Turner Rd. (37.45112, -77.29935) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2023 | Quick build with plastic central island. Peanut shaped. https://www.youtube.com/watch?v=3-AotYkeJqk | 
| (unincorporated),
                NY Monroe Co. United States | (parking) (43.08693, -77.80188) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| (unincorporated),
                CA Sacramento Co. United States | Bonito Circle (38.39719, -121.40355) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | Pedestrian access to central island. | |
| (unincorporated),
                OR Deschutes Co. United States | US 20 / Hamby Rd. / Ward Rd. (44.05568, -121.24398) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8637 | Other (At-Grade) Single-Lane | 2022 | https://www.bendbulletin.com/localstate/new-roundabout-opens-east-of-bend-at-intersection-with-highway-20/article_96356a82-cd63-11ec-b3be-4bddbd98128e.html | 
| (unincorporated),
                SC Anderson Co. United States | US 178 (Liberty Hwy.) / SC 88 (Old Greenville Hwy.) (34.70600, -82.67664) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | |
| (unincorporated),
                CO Denver Co. United States | High Point Blvd. / N Dunkirk St. (39.82169, -104.76259) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Unknown | 2021 | Year Completed estimated (2021-2022). | 
| (unincorporated),
                AL Elmore Co. United States | Redland Rd. / Firetower Rd. / Dozier Rd. (32.50709, -86.12857) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | https://elmoreautauganews.com/2022/06/02/elmore-county-update-on-redland-road-firetower-road-roundabout-progress/ | 
| (unincorporated),
                SC Lancaster Co. United States | Carolina Commons Dr. / (shopping center entrance) / (parking) (34.93587, -80.83758) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| (unincorporated),
                SC Lancaster Co. United States | Wallace Lake Rd. / Perth Rd. / Newport Dr. (34.93735, -80.82574) | Other Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands on three legs. | |
| (unincorporated),
                SC Lancaster Co. United States | Zelkova Dr. / American Holly Dr. (34.93817, -80.83218) | Other Existing | Uncontrolled None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands on northwest or southwest legs. | |
| (unincorporated),
                SC Lancaster Co. United States | Moses Dr. / Cotton Field Rd. (34.94208, -80.84649) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| (unincorporated),
                SC Lancaster Co. United States | Walnut Creek Pkwy. / Baldwin Dr. (34.91709, -80.80342) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 62.4840 | Other (At-Grade) Single-Lane | 2011 | Driveway is stop controlled. Year Completed estimated (2011-2013). | 
| (unincorporated),
                SC Lancaster Co. United States | Walnut Creek Pkwy. / Carrington Dr. (34.92760, -80.79091) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2015-2016). | 
| (unincorporated),
                SC Lancaster Co. United States | Twelve Mile Creek Rd. / Chippenham Ave. (34.93294, -80.80366) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| (unincorporated),
                MN Scott Co. United States | Lucerne Blvd. / Vernon Ave. / 217th St. E (44.63688, -93.34899) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2015-2016). | 
| (unincorporated),
                SC Spartanburg Co. United States | SC 11 / Parris Bridge Rd. (35.15971, -81.91854) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | Year Completed estimated (2021-2022). https://www.wspa.com/news/roundabout-proposed-at-hwy-11-parris-bridge-road/ | 
| (unincorporated),
                TX Fort Bend Co. United States | Heritage Park Dr. / Sienna Oaks Blvd. (29.46696, -95.52065) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2021 | Adjacent to Elementary School. | 
| (unincorporated),
                TX Fort Bend Co. United States | Tamarron Pkwy. / Tamarron Point (29.73564, -95.91599) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | |
| (unincorporated),
                NE Douglas Co. United States | Northern Hills Dr. / N 182nd St. / N 182nd Creek (41.37520, -96.19863) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.9560 | Other (At-Grade) Single-Lane | 2008 | Traversable splitter islands. | 
| (unincorporated),
                OR Deschutes Co. United States | Tumalo Rd. / Old Bend Redmond Hwy. (44.16004, -121.30080) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6717 | Other (At-Grade) Single-Lane | 2022 | |
| (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 | |
| (unincorporated),
                FL Hernando Co. United States | US 98 (Ponce de Leon Blvd.) / Citrus Way (28.65101, -82.44695) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | 2022 | https://www.facebook.com/Citruscountylive/photos/a.472614453496154/1305047673586157/?type=3&theater | 
| (unincorporated),
                WI Dane Co. United States | US 14 / STH 92 / Biglow Rd. (42.85434, -89.34080) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | https://www.channel3000.com/u-s-highway-14-to-close-between-oregon-brooklyn-starting-next-week/ | 
| (unincorporated),
                ID Kootenai Co. United States | W Prairie Ave. / N Pleasant View Rd. (47.74537, -117.00199) | Roundabout Existing | All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2021 | At-grade rail crossing approximately 200 ft to south of roundabout controlled by signals and gates. At-grade rail crossing (2 tracks) approximately 320 ft to west of roundabout that is yield controlled. Year Completed estimated (2020-2021). | 
| (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). | 
| (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). | 
| (unincorporated),
                OR Deschutes Co. United States | Tumalo Rd. / Tumalo Pl. (44.15940, -121.26505) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2021 | https://ktvz.com/news/deschutes-county/2021/05/07/new-tumalo-road-tumalo-place-roundabout-open-to-traffic/ | 
| (unincorporated),
                WA Spokane Co. United States | S Grove Rd. / I-90 EB Ramps (47.61877, -117.50139) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.5277 | Freeway Ramps (Grade-Separated) Single-Lane | 2021 | Open July 2, 2021. | 
| (unincorporated),
                CO El Paso Co. United States | Flying Horse Club Dr. / Barossa Valley Rd. (39.01949, -104.78420) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.1960 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Year Completed estimated (2006-2008). | 
| (unincorporated),
                CO El Paso Co. United States | Barossa Valley Rd. / Veneto Way (39.01820, -104.78304) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2008 | Year Completed estimated (2006-2011). | 
| (unincorporated),
                CO El Paso Co. United States | Flying Horse Club Dr. / Ravenswood Dr. / Weiskopf Point (39.01705, -104.78969) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Year Completed estimated (2006-2008). | 
| (unincorporated),
                OH Delaware Co. United States | Peachblow Rd. / North Rd. (40.22705, -83.02061) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2021 | https://www.delgazette.com/news/91185/new-roundabout-nears-completion | 
| (unincorporated),
                OH Delaware Co. United States | SR 61 / SR 656 / Wilson Rd. (40.31070, -82.84644) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2021 | Peanut shaped. https://www.nbc4i.com/news/local-news/delaware-county/peanut-shaped-roundabout-to-open-monday-in-delaware-county/ | 
| (unincorporated),
                TX Fort Bend Co. United States | Heritage Park Dr. / Sienna River Pkwy. (29.47334, -95.53189) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2018 | |
| (unincorporated),
                TX Fort Bend Co. United States | Cinco Village Center Blvd. / (parking) (29.73998, -95.77837) | Roundabout Existing | All-Way Yield None | 2 Approaches 2 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2006 | |
| (unincorporated),
                TX Fort Bend Co. United States | Veranda Trails Pkwy. / Wildwood Park Rd. (29.56641, -95.73027) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2016 | |
| (unincorporated),
                TX Fort Bend Co. United States | Wildwood Park Rd. / Circle Seven Rd. (29.56933, -95.73977) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2019 | |
| (unincorporated),
                TX Fort Bend Co. United States | Wildwood Park Rd. / Old Blue Ln. (29.56849, -95.74584) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.2440 | Other (At-Grade) Single-Lane | 2019 | |
| (unincorporated),
                TX Fort Bend Co. United States | Texas Heritage Pkwy. / Fulshear Bend (29.70408, -95.87996) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2021 | Pedestrian tunnels. Part of roundabout corridor. | 
| (unincorporated),
                TX Fort Bend Co. United States | Texas Heritage Pkwy. / Morgan Spur (29.72075, -95.88390) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2021 | Pedestrian tunnels. Part of roundabout corridor. | 
| (unincorporated),
                TX Fort Bend Co. United States | Texas Heritage Pkwy. / Tamarron Point (29.72889, -95.88442) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2021 | Pedestrian tunnels. Part of roundabout corridor. | 
| (unincorporated),
                TX Fort Bend Co. United States | Texas Heritage Pkwy. / Tamarron Pkwy. (29.73513, -95.88465) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2021 | Pedestrian tunnels. Part of roundabout corridor. | 
| (unincorporated),
                TX Fort Bend Co. United States | Texas Heritage Pkwy. / Tamarron Crossing (29.74530, -95.88481) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2021 | Pedestrian tunnels. Part of roundabout corridor. | 
| (unincorporated),
                TX Fort Bend Co. United States | Texas Heritage Pkwy. / Jordan Crossing Blvd. (29.75615, -95.88489) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2021 | Pedestrian tunnels. Part of roundabout corridor. | 
| (unincorporated),
                MS Lafayette Co. United States | SR 7 / SR 9W (34.26243, -89.52294) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2021 | https://www.oxfordeagle.com/2021/12/15/mdot-updates-on-major-construction-in-lafayette-county/ | 
| (unincorporated),
                MD Montgomery Co. United States | Travilah Rd. / Turkey Foot Rd. / Hanson Farm Dr. (39.07993, -77.25560) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2020 | Painted splitter islands. Year Completed estimated (2019-2020). | 
| (unincorporated),
                SC Florence Co. United States | Francis Marion Rd. / Claussen Rd. / Old River Rd. (34.13139, -79.63019) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.8056 | Other (At-Grade) Single-Lane | 2020 | |
| (unincorporated),
                SC Florence Co. United States | US 301 (Jones Rd.) / SC 403 (Bethel Rd.) (33.97881, -79.90536) | Roundabout Unknown | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2021 | |
| (Unincorporated),
                SC Laurens Co. United States | US 76 (Main St.) / Dial Place Rd. / Trinity Church Rd. (34.51464, -82.09366) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2021 | |
| (unincorporated),
                SC Richland Co. United States | Alpine Rd. / Old Percival Rd. (34.06555, -80.90815) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2021 | |
| (unincorporated),
                SC Berkeley Co. United States | Bennington Dr. / Circle Oaks Dr. (32.93513, -79.82194) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| (unincorporated),
                SC Spartanburg Co. United States | SC 9 / Foster Rd. (35.12033, -82.04318) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.1960 | Other (At-Grade) Single-Lane | 2019 |