| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| (unincorporated),
                OH Delaware Co. United States | Cheshire Rd. / S Old State Rd. (40.23924, -82.98726) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://engineer.co.delaware.oh.us/image_slider/south-old-state-cheshire-roundabout/ | 
| Dublin,
                GA Laurens Co. United States | GA 257 / Waldrep Rd. / Pinehill Rd. (32.49325, -82.98427) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | Year Completed estimated (2019-2021). | 
| (unincorporated),
                OH Delaware Co. United States | E Orange Rd. / Roespark Blvd. / (school entrance) (40.17355, -82.98272) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2011 | |
| Waynesville,
                NC Haywood Co. United States | N Main St. / Walnut St. / Vance St. (35.49717, -82.97998) | Roundabout Unknown | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | https://www.themountaineer.com/news/waynesville-roundabout-construction-to-begin-soon/article_ff66af84-b49f-11ec-8766-7fd2ce57481b.html | |
| Waynesville,
                NC Haywood Co. United States | Howell Mill Rd. / Vance St. (35.50623, -82.97997) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 1 Driveways 33.0564 | Other (At-Grade) Single-Lane | 2014 | Project U-4412. ICD estimated from Google Maps linework. | 
| Macomb,
                MI Macomb Co. United States | 25 Mile Rd. / Hayes Rd. (42.70090, -82.97623) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.4973 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| (unincorporated),
                OH Delaware Co. United States | E Orange Rd. / Walker Wood Blvd. / Abbey Knoll Dr. (40.17312, -82.97326) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.3775 | Other (At-Grade) Single-Lane | 2011 | Right-turn-only lane on south leg. ICD estimated from Google Maps linework. | 
| Lockbourne,
                OH Franklin Co. United States | Lockbourne Rd. / London-Groveport Rd. (SR 317) (39.83112, -82.97260) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | |
| Orange Township,
                OH Delaware Co. United States | E Powell Rd. / Lyra Dr. / Mesloh Dr. (40.15631, -82.97132) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | https://www.delgazette.com/news/98988/roundabout-completed-in-orange | 
| Waynesville,
                NC Haywood Co. United States | US 23B (Asheville Rd.-N Main St) / Ratcliffe Cove Rd. / Zemery Ln. (35.49899, -82.96632) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 38.8933 | Other (At-Grade) Single-Lane | 2004 | TIP project. Right turn bypass lane. Fatal crash June 5, 2007. ICD estimated from Google Maps linework. | 
| Southern Orchards,
                OH Franklin Co. United States | Linwood Ave. / Stanley Ave. (39.94413, -82.96625) | Traffic Calming Circle Existing | Uncontrolled None | 4 Approaches 0 Driveways 42.1202 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Driving Park,
                OH Franklin Co. United States | Linwood Ave. / E Columbus St. (39.94588, -82.96610) | Traffic Calming Circle Existing | Uncontrolled None | 4 Approaches 0 Driveways 24.7221 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Driving Park,
                OH Franklin Co. United States | Linwood Ave. / E Sycamore St. (39.94807, -82.96592) | Traffic Calming Circle Existing | Uncontrolled None | 4 Approaches 0 Driveways 32.0461 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Windsor,
                ON Essex Canada | Plymouth Dr / (automotive warehouse access) (42.29604, -82.96552) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 53.8885 | Other (At-Grade) Single-Lane | 2013 | Year Completed estimated (2011-2014). ICD estimated from Google Maps linework. | 
| Westerville,
                OH Delaware Co. United States | Orion Pl. / Worthington Rd. / Olde Worthington Rd. (40.14015, -82.96511) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | Year Completed estimated (2019-2021). | 
| Tecumseh,
                ON Essex Canada | Walker Rd. (CR 11) / S Talbot Rd. (42.21667, -82.96444) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2020 | https://www.youtube.com/watch?v=TuFUrtqYzBs | 
| (unincorporated),
                OH Delaware Co. United States | Lewis Center Rd. / Bale Kenyon Rd. (40.18296, -82.96386) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 46.5351 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| (unincorporated),
                OH Delaware Co. United States | Bale Kenyon Rd. / E Orange Rd. (40.17266, -82.96241) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.6785 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | ICD estimated from Google Maps linework. | 
| Macomb,
                MI Macomb Co. United States | 25 Mile Rd. / Romeo Plank Rd. / Garfield Rd. (42.70077, -82.95901) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2022 | Year Completed estimated (2021-2022). | 
| Westerville,
                OH Delaware Co. United States | Worthington Rd. / Vesper Way (40.14098, -82.95648) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 31.0426 | Other (At-Grade) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| Chillicothe,
                OH Ross Co. United States | SR 159 / SR 207 (39.41938, -82.95615) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://www.facebook.com/ODOTDistrict9/videos/ross-207-extension-first-trip/344554030308290/ | 
| Chillicothe,
                OH Ross Co. United States | SR 159 / SR 180 (39.42539, -82.95429) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://www.facebook.com/ODOTDistrict9/videos/ross-207-extension-first-trip/344554030308290/ | 
| Macomb,
                MI Macomb Co. United States | 25 Mile Rd E / Romeo Plank Rd. (42.70099, -82.95338) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 31.5978 | Other (At-Grade) Single-Lane | 2016 | Right-turn only lane on south leg. ICD estimated from Google Maps linework. | 
| Seneca,
                SC Oconee Co. United States | Wells Hwy / Mormon Church Rd. / N Strawberry Farms Rd. (34.65761, -82.95173) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 20.6307 | Other (At-Grade) Single-Lane | 2016 | ICD estimated from Google Maps linework. | 
| Clinton Township,
                MI Macomb Co. United States | Partridge Creek Blvd. / Scoter Ln. / Montage (42.62068, -82.94597) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2006 | Opened with unstriped circulatory roadway. Marked with two circulating lanes throughout even though side streets are single-lane entries. Combination of concentric and exit striping added 2019-2020. | 
| Grosse Pointe Park,
                MI Wayne Co. United States | Kercheval Ave. / Wayburn St. (42.38076, -82.94229) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 19.4090 | Other (At-Grade) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| Clinton Township,
                MI Macomb Co. United States | Partridge Creek Blvd. / Hawk Ln. / Montage (42.62063, -82.94027) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2006 | Opened with unstriped circulatory roadway. North leg added 2015-2016. Marked with two circulating lanes throughout even though side streets are single-lane entries. Combination of concentric and exit striping added 2019-2020. | 
| (unincorporated),
                OH Delaware Co. United States | Cheshire Rd. / TR 35 (40.23802, -82.93950) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2013 | Rural, high-speed approaches. Year Completed estimated (2011-2014). | 
| Columbus,
                OH Franklin Co. United States | Groveport Rd. / Alum Creek Rd. access / (parking lot) (39.86872, -82.93737) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.5833 | Other (At-Grade) Single-Lane | 2013 | Right-turn bypass lane on west leg. Year Completed estimated (2012-2014). ICD estimated from Google Maps linework. | 
| (unincorporated),
                OH Delaware Co. United States | Fourwinds Dr. / Summit Dr. (40.27319, -82.93613) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.7158 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Columbus,
                OH Franklin Co. United States | Groveport Rd. / Old Rathmell Ct. / Alum Creek Dr. access (39.86733, -82.93329) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.9175 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2013 | Part of intersection complex with grade separation. Right-turn bypass lane on south leg. Year Completed estimated (2012-2014). ICD estimated from Google Maps linework. | 
| Clinton Township,
                MI Macomb Co. United States | 19 Mile Rd. / Romeo Plank Rd. (42.61339, -82.93285) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 37.7950 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | ICD estimated from Google Maps linework. | 
| Clinton Township,
                MI Macomb Co. United States | Romeo Plank Rd. / Cass Ave. (42.61145, -82.93221) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 36.0382 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Yield-controlled right-turn bypass lane on south leg. ICD estimated from Google Maps linework. | 
| Clinton Township,
                MI Macomb Co. United States | Romeo Plank Rd. / Canal Rd. (42.60022, -82.93216) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 32.5281 | Other (At-Grade) Single-Lane | 2010 | ICD estimated from Google Maps linework. | 
| Windsor,
                ON Essex Canada | Mickey Renaud Way / Memorial Cup Way (42.32027, -82.92792) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 43.0000 | Other (At-Grade) Single-Lane | 2005 | Year Completed estimated (2004-2009). | 
| Bexley,
                OH Franklin Co. United States | S Gould Rd. / Dale Ave. (39.96392, -82.92387) | Traffic Calming Circle Existing | One-Way/Two-Way Stop Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Bexley,
                OH Franklin Co. United States | Gould Rd. / Powell Ave. (39.96599, -82.92369) | Traffic Calming Circle Existing | One-Way/Two-Way Stop Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Genoa Township,
                OH Delaware County United States | Lewis Center Rd. / Worthington Rd. (40.19783, -82.91324) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 1 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2025 | Peanut shaped. https://www.facebook.com/DelCoEngineer/posts/construction-in-actionworthington-road-lewis-center-road-intersection-genoa-town/1071976134965353/ | 
| Groveport,
                OH Franklin Co. United States | SR 317 (London-Groveport Rd.) / Rohr Rd. (39.84050, -82.90935) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2023 | Yield-controlled right-turn bypass lanes on north and south legs. https://www.groveport.org/CivicAlerts.aspx?AID=355&ARC=1054 | 
| Columbus,
                OH Franklin Co. United States | International Gateway / Stelzer Rd. / Red Lot parking access (39.99937, -82.90639) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 36.5967 | Other (At-Grade) Single-Lane | 2008 | On site of John Glenn Columbus International Airport. Year Completed estimated (2007-2009). ICD estimated from Google Maps linework. | 
| Windsor,
                ON Essex Canada | Banwell Rd. / Mulberry Dr. / Wildwood Dr. (42.30610, -82.89931) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 58.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Marked pedestrian crossings and RRFBs on north and west legs only. | 
| Tecumseh,
                ON Essex Canada | County Road 42 / County Road 43 (Concession Road 11) / Banwell Rd. (42.27605, -82.89638) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2024 | Combined two T-intersections by realigning CR 43 and Banwell Rd to the west. Previously, one was signalized and the other controlled by stop sign. https://www.countyofessex.ca/en/resident-services/county-road-42-reconstruction.aspx. | 
| Westerville,
                OH Franklin Co. United States | Little Turtle Way W / Longrifle Rd. (40.08322, -82.87865) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.2440 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Yield-controlled right-turn bypass lane on south leg. | 
| Windsor,
                ON Essex Canada | Riverside Dr. / Manning Rd. (42.32627, -82.86818) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 19.4259 | Other (At-Grade) Single-Lane | 2013 | Year Completed estimated (2012-2014 - streetview). ICD estimated from Google Maps linework. | 
| Columbus,
                OH Franklin Co. United States | N Hamilton Rd. / Clark State Rd. (40.02397, -82.86595) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 3 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2016 | |
| Columbus,
                OH Franklin Co. United States | N Hamilton Rd / Parc Dr. (40.03180, -82.86552) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.1960 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2016 | |
| New Albany,
                OH Franklin Co. United States | Hamilton Rd. / Old Hamilton Rd. (40.07425, -82.86169) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2016 | Fatal crash Sept 24, 2020 involving motorcycle: https://abc6onyourside.com/news/local/motorcyclist-killed-in-crash-near-new-albany-9-24-20. | 
| Portage Township,
                OH Ottawa Co. United States | SR 53 (Catawba Rd.) / SR 2 Ramps (41.50681, -82.85952) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2024 | https://sanduskyregister.com/news/522707/recognizing-the-roundabout/ | 
| Portage Township,
                OH Ottawa Co. United States | SR 53 (SE Catawba Rd.) / E State Rd. (41.50840, -82.85952) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://sanduskyregister.com/news/522707/recognizing-the-roundabout/ | 
| (unincorporated),
                OH Delaware Co. United States | Smothers Rd. / Red Bank Rd. / Schott Rd. (40.13000, -82.85823) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.7003 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| New Albany,
                OH Franklin Co. United States | Hamilton Rd. / (unknown 2) (40.07531, -82.85598) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 42.9532 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2016 | ICD estimated from Google Maps linework. | 
| New Albany,
                OH Franklin Co. United States | Hamilton Rd. / (unknown 1) (40.07683, -82.85218) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 43.8662 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2016 | ICD estimated from Google Maps linework. | 
| Columbus,
                OH Franklin Co. United States | Dublin-Granville Rd. / Albany Park Dr. (40.07893, -82.84812) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2019 | |
| (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/ | 
| Windsor,
                ON Essex Canada | Brighton Rd. (CR 21) / Tecumseh Rd. E (42.31138, -82.84547) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 33.0000 | Other (At-Grade) Single-Lane | 2010 | Year Completed estimated (2009-2011). | 
| (unincorporated),
                OH Franklin Co. United States | Harlem Rd. / Smothers Rd. (40.12927, -82.84332) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2013 | Year Completed estimated (2011-2014). | 
| Columbus,
                OH Franklin Co. United States | US 62 (Johnstown Rd.) / Morse Rd. (40.05465, -82.84182) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 53.0222 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Skewed alignment realigned. High-speed rural approaches. Year Completed estimated (2007-2009). ICD estimated from Google Maps linework. | 
| Gahanna,
                OH Franklin Co. United States | Taylor Station Rd. / Craycraft Rd. / Research Rd. (39.99250, -82.83997) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://gahanna.gov/CivicAlerts.aspx?AID=214 | 
| Canton,
                NC Haywood Co. United States | NC 110 (Pisgah Dr.) / Locust St. / Holtzclaw St. (35.52709, -82.83616) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | Year Completed estimated (2020-2021). | 
| Canal Winchester,
                OH Franklin Co. United States | Lithopolis Rd. / Gender Rd. (39.82200, -82.83181) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 44.0299 | Other (At-Grade) Single-Lane | 2014 | Right-turn-only lanes on southeast and northeast legs. ICD estimated from Google Maps linework. | 
| New Albany,
                OH Franklin Co. United States | US 62 (Johnstown Rd.) / Greensward Rd. / Lambton Park Rd. (40.06668, -82.82720) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.7326 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Clearwater,
                FL Pinellas Co. United States | SR 60 / Coronado Dr. (SR 699) / Mandalay Ave. / Poinsettia Ave. (Gateway Roundabout) (27.97752, -82.82709) | Roundabout Existing | All-Way Yield Metering Signal | 6 Approaches 0 Driveways 68.5587 | Other (At-Grade) Multilane (2 Lane, unspecified) | 1999 | Modified 2002-2004 to change geometry and striping, and remove fountain. 21442 | 
| Clearwater,
                FL Pinellas Co. United States | Mandalay Ave. / Acacia St. (27.98970, -82.82660) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.4750 | Other (At-Grade) Single-Lane | 2001 | Boundary between commercial and residential area. Allows traffic attempting to park to use roundabout for U-turn without entering residential area. Also serves as U-turn for everyone, including WB-50 semis. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. | 
| New Albany,
                OH Franklin Co. United States | Fodor Rd. / New Albany Rd. (40.08818, -82.82324) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 34.7216 | Other (At-Grade) Single-Lane | 2013 | Right-turn lanes on north and east legs. Year Completed estimated (2011-2014). ICD estimated from Google Maps linework. | 
| New Baltimore,
                MI Macomb Co. United States | Jefferson Ave. / Rosso Hwy. (42.63106, -82.82277) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 38.6629 | Other (At-Grade) Single-Lane | 2016 | Right-turn bypass lanes on north and west legs. ICD estimated from Google Maps linework. | 
| Jefferson Township,
                OH Franklin Co. United States | Reynoldsburg New Albany Rd. / Havens Rd. (40.02985, -82.81429) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | https://www.facebook.com/groups/dullmensclub/posts/1361459861177218/ | 
| New Albany,
                OH Franklin Co. United States | US 62 (Johnstown Rd.-W Main St.) / Market St. (40.07993, -82.81385) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.8981 | Other (At-Grade) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| New Albany,
                OH Franklin Co. United States | Reynoldsburg-New Albany Rd. / Morse Rd. (40.05310, -82.81014) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1389 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | High-speed rural approaches. ICD estimated from Google Maps linework. | 
| Westerville,
                OH Delaware Co. United States | SR 605 / Fancher Rd. (40.13242, -82.80976) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2024 | |
| Columbus,
                OH Franklin Co. United States | Clark State Rd. / Reynoldburg-New Albany Rd. (40.04370, -82.80916) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | |
| Essex,
                ON Essex Canada | Maidstone Ave. E (CR 8) / CR 23 (42.17719, -82.80347) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.5989 | Other (At-Grade) Single-Lane | 2010 | https://www.infrastructure.gc.ca/media/news-nouvelles/2010/20101112essexcounty-eng.html ICD estimated from Google Maps linework. | 
| New Albany,
                OH Franklin Co. United States | Morse Rd. / Kitzmiller Rd. (40.05268, -82.80306) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2018 | Year Completed estimated (2017-2019). | 
| Harrison Township,
                MI Macomb Co. United States | Sail Rd. / Metro Pkwy. (42.57551, -82.79958) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.5008 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2013 | Built as part of parking lot reconfiguration. Painted splitter islands. No speed control on north leg. | 
| Harrison Township,
                MI Macomb Co. United States | Metro Pkwy. / Sail Rd. (42.57735, -82.79673) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2013 | Built as part of parking lot reconfiguration. Painted splitter islands. Through bypass lane on northwestbound approach. | 
| Sandersville,
                GA Washington Co. United States | GA 242 / Hospital Rd. (32.96740, -82.79420) | Roundabout Existing | All-Way Yield At-grade Rail Crossing Signals/Gates (controlling all approaches) | 4 Approaches 0 Driveways 40.0807 | Other (At-Grade) Single-Lane | 2019 | At-grade rail crossing through central island. ICD estimated from Google Maps linework. | 
| Clearwater,
                FL Pinellas Co. United States | Fairmont Ave. / Fulton St. (27.98243, -82.79311) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2008 | Opened May 2008. | 
| Clearwater,
                FL Pinellas Co. United States | Palmetto St. / MLK Ave. (N Greenwood Ave.) (27.97542, -82.79176) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.0040 | Other (At-Grade) Single-Lane | 2004 | |
| Pickerington,
                OH Fairfield Co. United States | Refugee Rd. / Fullers Way (39.91062, -82.79170) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://www.thisweeknews.com/story/news/2020/08/17/pickeringtons-refugee-road-widening-project-nears-completion/113344260/ | 
| Tarpon Springs Historic District,
                FL Pinellas Co. United States | Philips Rd. / Cirtrine Trl. (28.16708, -82.78959) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Dunedin,
                FL Pinellas Co. United States | San Jose Dr. / Santa Anna Dr. / Paloma Ln. (28.02908, -82.78581) | Other Existing | Unknown Unknown | 5 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Lakeshore,
                ON Essex Canada | Hwy 22 / Hwy 2 (42.30096, -82.78384) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.5842 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2015 | At-grade rail crossing on north leg. ICD estimated from Google Maps linework. | 
| Danbury,
                OH Ottawa Co. United States | SR 163 (E Harbor Rd.) / North Shore Blvd. / Englebeck Rd. (41.53002, -82.78135) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | https://www.wtol.com/article/news/local/state-route-163-roundabout-opens-in-ottawa-county-ohio/512-1553d9cb-4546-4b96-a6f3-7de074604c05 | 
| Plain Townsihp,
                OH Franklin Co. United States | Morse Rd. / Babbitt Rd. (40.05147, -82.77721) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | https://www.dispatch.com/story/news/local/communities/new-albany/2021/09/29/plain-township-epicenter-of-roundabouts-poised-to-get-one-more-at-morse-and-babbitt-roads-new-albany/5921892001/ | 
| Sandersville,
                GA Washington Co. United States | GA 88-GA 540 (Fall Line Freeway) / GA 24 (Ridge Rd.) (32.99365, -82.77140) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 57.9120 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2023 | |
| Clearwater,
                FL Pinellas Co. United States | Grove St. / Lake Dr. (27.96716, -82.77122) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 58.0168 | Other (At-Grade) Single-Lane | 2009 | Functional Class: Local ICD estimated from Google Maps linework. | 
| Clearwater,
                FL Pinellas Co. United States | Cleveland St. / Lake Dr. (27.96550, -82.77112) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.9080 | Other (At-Grade) Single-Lane | 2008 | |
| Clearwater,
                FL Pinellas Co. United States | Ridgewood St. / Richards Ave. (27.97013, -82.76930) | Traffic Calming Circle Existing | All-Way Yield None | 0 Approaches 0 Driveways 34.8091 | Other (At-Grade) Single-Lane | 2002 | ICD estimated from Google Maps linework. | 
| Clearwater,
                FL Pinellas Co. United States | Ridgewood St. / Baker Ave. (27.97012, -82.76842) | Traffic Calming Circle Existing | All-Way Yield None | 0 Approaches 0 Driveways 48.5218 | Other (At-Grade) Single-Lane | 2002 | ICD estimated from Google Maps linework. | 
| Clearwater,
                FL Pinellas Co. United States | Richards Ave. / Baker Ave. / Casler Ave. (27.96847, -82.76841) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2002 | |
| Clearwater,
                FL Pinellas Co. United States | Ridgewood St. / Casler Ave. (27.97013, -82.76752) | Traffic Calming Circle Existing | All-Way Yield None | 0 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2002 | |
| Clearwater,
                FL Pinellas Co. United States | Palmetto St. / Casler Ave. (27.97541, -82.76752) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 21.0954 | Other (At-Grade) Single-Lane | 2003 | John F. Kennedy Middle School on NE corner. Crossing guard operation across N and E legs. ICD estimated from Google Maps linework. | 
| Palm Harbor,
                FL Pinellas Co. United States | US 19 Alternate (Palm Harbor Blvd.) / Florida Ave. (28.07797, -82.76724) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | Multiuse trail on west side of roundabout. https://www.fdottampabay.com/project/486/437636-1-52-01 | 
| Clearwater,
                FL Pinellas Co. United States | Rainbow Dr. / Duncan Ave. (27.96250, -82.76695) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 93.8858 | Other (At-Grade) Single-Lane | 2009 | Functional Class: Local ICD estimated from Google Maps linework. | 
| Clearwater,
                FL Pinellas Co. United States | Cleveland St. / Saturn Ave. (27.96544, -82.76489) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.9080 | Other (At-Grade) Single-Lane | 2008 | |
| Anderson,
                SC Anderson Co. United States | SC 187 / Whitehall Rd. (34.50793, -82.76231) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 53.3400 | Other (At-Grade) Single-Lane | 2021 | |
| New Port Richey,
                FL Pasco Co. United States | Westshore Dr. / Floramar Terrace (28.23597, -82.76211) | Rotary Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Tarpon Springs Historic District,
                FL Pinellas Co. United States | Green Dolphin Circle (28.13602, -82.76029) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | Building in central island. | |
| Bardmoor,
                FL Pinellas Co. United States | 100th Ave. / 87th St. (27.86324, -82.76024) | Traffic Calming Circle Existing | One-Way/Two-Way Stop Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Clearwater,
                FL Pinellas Co. United States | Cleveland St. / Corona Ave. (27.96546, -82.75991) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.9080 | Other (At-Grade) Single-Lane | 2008 | |
| Bardmoor,
                FL Pinellas Co. United States | 100th Ave. / 86th St. (27.86308, -82.75871) | Traffic Calming Circle Existing | One-Way/Two-Way Stop Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane |