| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Toledo,
                OH Lucas Co. United States  | 
            
                Old Promedica Pkwy. / (unknown) (41.67440, -83.59427)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 21.4101  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | https://www.toledoblade.com/local/2016/08/19/Traffic-patterns-shift-on-ProMedica-Parkway.html ICD estimated from Google Maps linework. | 
| 
                Perrysburg,
                OH Wood Co. United States  | 
            
                W River Rd. / Mechanic St. (41.49972, -83.70946)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 35.7801  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                Perrysburg,
                OH Wood Co. United States  | 
            
                Roachton Rd. / Hull Prairie Rd. (41.52210, -83.67484)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | Year Completed estimated (2016-2018). | 
| 
                McConnelsville,
                OH Morgan Co. United States  | 
            
                W Riverside Dr. / 7th St. (39.65304, -81.86076)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | http://www.mchnews.com/news/odot-announces-improvements-to-intersections-two-roundabouts-proposed-for-malta/article_dea21ca4-fe1d-11e6-b327-5b97c644d5e9.html | 
| 
                Malta,
                OH Morgan Co. United States  | 
            
                7th St. / N Main St. (39.65180, -81.86435)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | http://www.mchnews.com/news/odot-announces-improvements-to-intersections-two-roundabouts-proposed-for-malta/article_dea21ca4-fe1d-11e6-b327-5b97c644d5e9.html | 
| 
                Milford,
                OH Clermont Co. United States  | 
            
                Chamber Dr. / Beechwood Rd. (39.15816, -84.27320)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 16.6696  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2016 | Painted splitter islands. 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). | 
| 
                (unincorporated),
                OH Delaware Co. United States  | 
            
                Cheshire Rd. / Piatt Rd. (40.24014, -83.00623)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | https://www.thisweeknews.com/news/20190716/roundabouts-in-berlin-and-orange-townships-expected-to-open-in-august | 
| 
                Delaware,
                OH Delaware Co. United States  | 
            
                Cheshire Rd. / Eagle Walk Rd. / Winterbourne Dr. (40.24068, -83.01868)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.7320  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | Year Completed estimated (2016-2018). ICD estimated from Google Maps linework. | 
| 
                Delaware,
                OH Delaware Co. United States  | 
            
                Glenn Pkwy. / Cheshire Rd. (40.24134, -83.03521)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 60.1700  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Year Completed estimated (2006-2009). ICD estimated from Google Maps linework. | 
| 
                Delaware,
                OH Delaware Co. United States  | 
            
                Glenn Pkwy. / OhioHealth Blvd. (40.23450, -83.03527)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 61.9996  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Year Completed estimated (2006-2009). ICD estimated from Google Maps linework. | 
| 
                Delaware,
                OH Delaware Co. United States  | 
            
                Glenn Pkwy. / Sycamore Ln. (40.24832, -83.03429)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 61.9870  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Year Completed estimated (2006-2009). ICD estimated from Google Maps linework. | 
| 
                Delaware,
                OH Delaware Co. United States  | 
            
                Mill Run Crossing / Rosemary Run / (shopping center) (40.29062, -83.03614)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.7071  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Year Completed estimated (2006-2009). ICD estimated from Google Maps linework. | 
| 
                Morrow,
                OH Warren Co. United States  | 
            
                Hopewell Valley Dr. / Village View Ln. (39.35521, -84.15327)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.7920  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Morrow,
                OH Warren Co. United States  | 
            
                Morrow-Cozaddale Rd. / (unknown) (39.35434, -84.16288)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0931  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Year Completed estimated (2006-2009). ICD estimated from Google Maps linework. | 
| 
                Toledo,
                OH Lucas Co. United States  | 
            
                S Detroit Ave. / S Byrne Rd. / Devonshire Rd. (41.58965, -83.61533)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 11.6124  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | https://www.toledoblade.com/local/transportation/2019/06/26/south-toledo-detroit-byrne-devonshire-roundabout-opens-road-construction/stories/20190625178 ICD estimated from Google Maps linework. | 
| 
                Wooster,
                OH Wayne Co. United States  | 
            
                Smithville Western Rd. / Friendsville Rd. (40.85784, -81.94308)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 30.7126  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | Youtube video of someone driving around the completed roundabout: https://www.youtube.com/watch?v=y0Km3-A9z8w. Newspaper article when it was close to complete: https://www.the-daily-record.com/news/20191008/roundabout-nearing-completion ICD estimated from Google Maps linework. | 
| 
                Newark,
                OH Licking Co. United States  | 
            
                N 3rd St. / N Park Pl. (40.05829, -82.40281)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 19.1967  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2016 | Year Completed estimated (2014-2017). ICD estimated from Google Maps linework. | 
| 
                Newark,
                OH Licking Co. United States  | 
            
                S 3rd St. / S Park Pl. (40.05716, -82.40227)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 20.1111  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2016 | Year Completed estimated (2014-2017). ICD estimated from Google Maps linework. | 
| 
                Newark,
                OH Licking Co. United States  | 
            
                S 2nd St. / S Park Pl. (40.05760, -82.40059)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 21.0251  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2016 | Year Completed estimated (2014-2017). ICD estimated from Google Maps linework. | 
| 
                Newark,
                OH Licking Co. United States  | 
            
                N 2nd St. / N Park Pl. (40.05874, -82.40112)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 20.1107  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2016 | Year Completed estimated (2014-2017). ICD estimated from Google Maps linework. | 
| 
                Sandusky,
                OH Erie Co. United States  | 
            
                W Bogart Rd. / Campbell St (41.39657, -82.70683)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 39.4208  | 
            
                Other (At-Grade) Unknown  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                Upper Arlington,
                OH Franklin Co. United States  | 
            
                Redding Rd. / Tremont Rd. / Abington Rd. (40.01060, -83.06978)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 21.9544  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | Year Completed estimated (2015-2016). ICD estimated from Google Maps linework. | 
| 
                Upper Arlington,
                OH Franklin Co. United States  | 
            
                North Star Rd. / Kinnear Rd. / Waltham Rd. (39.99886, -83.04812)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.1074  | 
            
                Other (At-Grade) Single-Lane  |   
            2014 | ICD estimated from Google Maps linework. | 
| 
                East Sparta,
                OH Stark Co. United States  | 
            
                Walnut St. SE / Main Ave. SE (40.66671, -81.35319)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.9892  | 
            
                Other (At-Grade) Single-Lane  |   
            2014 | Year Completed estimated (2012-2015). ICD estimated from Google Maps linework. | 
| 
                Hartville,
                OH Stark Co. United States  | 
            
                SR 619 (Edison St. NW) / King Church Ave. NW (40.97182, -81.36431)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.3826  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2019 | ICD estimated from Google Maps linework. | 
| 
                Alliance,
                OH Stark Co. United States  | 
            
                Beeson St. NE / Freshley Ave. NE (40.92355, -81.15375)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.8773  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Year Completed estimated (2017-2018). ICD estimated from Google Maps linework. | 
| 
                (unincorporated),
                OH Delaware Co. United States  | 
            
                Lewis Center Rd. / North Rd. (40.19973, -83.01417)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 42.6717  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | Opened September 2019. https://engineer.co.delaware.oh.us/projects/lewiscenter-north/ | 
| 
                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. | 
| 
                Piqua,
                OH Miami Co. United States  | 
            
                W Garbry Rd. / Looney Rd. (40.14600, -84.21713)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | https://www.dailycall.com/news/48906/road-construction-set-to-be-completed-this-month | 
| 
                Logan,
                OH Hocking Co. United States  | 
            
                SR 328 / US 33 SB Ramps (39.52126, -82.37668)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 45.7200  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2017 | |
| 
                Green,
                OH Summit Co. United States  | 
            
                Corporate Woods Pkwy. / Corporate Woods Cir. (40.96101, -81.46780)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6838  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | 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 | |
| 
                Grove City,
                OH Franklin Co. United States  | 
            
                Orders Rd. / Haughn Rd. (39.85994, -83.09062)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.1706  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Grove City,
                OH Franklin Co. United States  | 
            
                Gantz Rd. / Brookham Dr. (39.88597, -83.05650)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 39.4067  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | ICD estimated from Google Maps linework. | 
| 
                Weinland Park,
                OH Franklin Co. United States  | 
            
                Indianola Ave. / E 6th Ave. (39.98913, -83.00333)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                4 Approaches 0 Driveways 27.4516  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Green,
                OH Summit Co. United States  | 
            
                E Turkeyfoot Lake Rd. / Myersville Rd. (40.97616, -81.42369)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.0679  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | 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. | |
| 
                Hartville,
                OH Stark Co. United States  | 
            
                SR 619 (Edison St. NW) / Kaufman Ave. NW (40.97266, -81.36831)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 50.4977  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2019 | 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. | |
| 
                Lagrange,
                OH Lorain Co. United States  | 
            
                SR 301 / SR 303 (41.23735, -82.11980)  | 
            
                Other Existing  | 
            
                All-Way Stop Unknown  | 
            
                4 Approaches 0 Driveways 40.4153  | 
            
                Other (At-Grade) Single-Lane  |   
            Parking around circulatory roadway, pedestrian access to central island. ICD estimated from Google Maps linework. | |
| 
                Troy,
                OH Miami Co. United States  | 
            
                McKaig Rd. / S Dorset Rd. (40.03964, -84.22855)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 19.2019  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | This roundabout was constructed summer 2019 and opened to traffic in August 2019. ICD estimated from Google Maps linework. | 
| 
                Prairie Township,
                OH Franklin Co. United States  | 
            
                S Grener Ave. / Old Grener Ave. (39.95164, -83.12259)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 30.2134  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | Year Completed estimated (2011-2012). ICD estimated from Google Maps linework. | 
| 
                Upper Arlington,
                OH Franklin Co. United States  | 
            
                Arlington Ave. / Stanford Rd. / Tremont Rd. (39.99510, -83.06056)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                6 Approaches 0 Driveways 34.7690  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Splitter islands only on north and south legs. ICD estimated from Google Maps linework. | 
| 
                Dublin,
                OH Franklin Co. United States  | 
            
                Rings Rd. / Wilcox Rd. (40.08106, -83.14941)  | 
            
                Other Existing  | 
            
                All-Way Stop None  | 
            
                4 Approaches 0 Driveways 21.9317  | 
            
                Other (At-Grade) Single-Lane  |   
            Stop control on all approaches. No splitter islands. ICD estimated from Google Maps linework. | |
| 
                Dublin,
                OH Franklin Co. United States  | 
            
                Rings Rd. / Norn St. (40.08079, -83.15467)  | 
            
                Other Existing  | 
            
                All-Way Stop None  | 
            
                3 Approaches 0 Driveways 37.4668  | 
            
                Other (At-Grade) Single-Lane  |   
            Stop control on all approaches. No splitter islands. ICD estimated from Google Maps linework. | |
| 
                Dublin,
                OH Franklin Co. United States  | 
            
                Rings Rd. / Brighton Hill Ln. (40.08177, -83.14392)  | 
            
                Other Existing  | 
            
                All-Way Stop Unknown  | 
            
                3 Approaches 0 Driveways 34.7249  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Stop control on approaches. Year Completed estimated (2003-2004). ICD estimated from Google Maps linework. | 
| 
                Dublin,
                OH Franklin Co. United States  | 
            
                Rings Rd. / Churchman Rd. (40.07717, -83.17545)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.7272  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Bowling Green,
                OH Wood Co. United States  | 
            
                E Wooster St. / I-75 SB Ramps (41.37453, -83.61786)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.0567  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2019 | https://nbc24.com/news/local/wooster-street-roundabouts-to-open-in-bowling-green. ICD estimated from Google Maps linework. | 
| 
                Bowling Green,
                OH Wood Co. United States  | 
            
                E Wooster St. / I-75 NB Ramps (41.37445, -83.61400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.0568  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2019 | https://nbc24.com/news/local/wooster-street-roundabouts-to-open-in-bowling-green. ICD estimated from Google Maps linework. | 
| 
                Mount Vernon,
                OH Knox Co. United States  | 
            
                Public Square (Main St. / High St.) (40.39362, -82.48543)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 4 Driveways 88.2325  | 
            
                Other (At-Grade) Single-Lane  |   
            1876 | The intersection at Public Square was platted in 1805 but converted to its current configuration in the mid-1890's following the construction of the Soldiers' Monument. Parking along circulatory roadway, pedestrian access to central island. https://www.historicknoxohio.org/index.php/historical-districts/mount-vernon-districts/8-downtown-district/34-public-square. ICD estimated from Google Maps linework. | 
| 
                Fairfield,
                OH Butler Co. United States  | 
            
                River Rd. / Gray Rd. (39.32691, -84.59580)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | https://www.fairfield-city.org/839/River-and-Gray-Roundabout | 
| 
                Athens,
                OH Athens Co. United States  | 
            
                W Union St. / Smith St. / (parking lot) (39.32941, -82.10731)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 22.1719  | 
            
                Other (At-Grade) Single-Lane  |   
            2014 | Small roundabout, primarily to assist with clarifying driveway locations and where peds should cross. Year Completed estimated (2013-2015). ICD estimated from Google Maps linework. | 
| 
                Twinsburg,
                OH Summit Co. United States  | 
            
                Liberty Rd. / Glenwood Dr. (41.34166, -81.41895)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 25.1071  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Fairlawn,
                OH Summit Co. United States  | 
            
                Ridgewood Rd. / Jacoby Rd. (41.11011, -81.61945)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 26.0960  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Hilliard,
                OH Franklin Co. United States  | 
            
                Davis Rd. / Audubon Ave. (40.02548, -83.19837)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | City of Hilliard jurisdiction. | 
| 
                Blue Ash,
                OH Hamilton Co. United States  | 
            
                Malsbary Rd. / Alliance Rd. (39.23916, -84.38188)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.2258  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | http://www.blueash.com/departments/public_works/roundabout_safety.php ICD estimated from Google Maps linework. | 
| 
                Blue Ash,
                OH Hamilton Co. United States  | 
            
                Plainfield Rd. / Parkview Dr. (39.24335, -84.39561)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 18.4993  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | http://www.blueash.com/departments/public_works/roundabout_safety.php ICD estimated from Google Maps linework. | 
| 
                Defiance,
                OH Defiance Co. United States  | 
            
                Jefferson Ave. / Palmer Dr. (41.26140, -84.36196)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.8093  | 
            
                Other (At-Grade) Unknown  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                Defiance,
                OH Defiance Co. United States  | 
            
                Palmer Dr. / Woodhurst Dr. (41.26324, -84.36102)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.9329  | 
            
                Other (At-Grade) Unknown  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                Greenville,
                OH Darke Co. United States  | 
            
                Public Square (Main St. / Broadway St.) (40.10246, -84.63338)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 45.6767  | 
            
                Other (At-Grade) Single-Lane  |   
            Parking around circulatory roadway. ICD estimated from Google Maps linework. | |
| 
                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. | 
| 
                Perrysburg,
                OH Wood Co. United States  | 
            
                McCutchenville Pike / Carronade Dr. (41.53419, -83.61252)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | Year Completed estimated (2016-2018). | 
| 
                Perrysburg,
                OH Wood Co. United States  | 
            
                Eckel Junction Rd. / Carronade Dr. (41.53663, -83.61085)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.9258  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | Year Completed estimated (2016-2017). ICD estimated from Google Maps linework. | 
| 
                Grove City,
                OH Franklin Co. United States  | 
            
                Alkire Rd. / Darby Creek Dr. (39.89552, -83.20268)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.4012  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | http://gpdgroup.com/2016/11/index-html/ ICD estimated from Google Maps linework. | 
| 
                Plain City,
                OH Union Co. United States  | 
            
                Hyland-Croy Rd. / Brock Rd. (40.16244, -83.18563)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.5091  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | Year Completed estimated (2011-2014). ICD estimated from Google Maps linework. | 
| 
                Plain City,
                OH Union Co. United States  | 
            
                Hyland-Croy Rd. / Ryan Pkwy (40.16771, -83.18450)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.8557  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | Year Completed estimated (2011-2014). ICD estimated from Google Maps linework. | 
| 
                Union Township,
                OH Clermont Co. United States  | 
            
                Eastgate South Dr. / Clepper Ln. / (shopping center parking) (39.09512, -84.27214)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 50.9805  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2016 | date: https://www.clermontsun.com/2016/04/28/eastgate-roundabout-is-now-open/ ICD estimated from Google Maps linework. | 
| 
                North Baltimore,
                OH Wood Co. United States  | 
            
                S Main St. / Briar Hill Rd. (41.17336, -83.67920)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 29.6669  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Oakwood,
                OH Cuyahoga Co. United States  | 
            
                Pettibone Rd. / Richmond Rd. (41.35765, -81.48895)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.9620  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | Year Completed estimated (2012-2014). ICD estimated from Google Maps linework. | 
| 
                Painesville,
                OH Lake Co. United States  | 
            
                Painesville Warren Rd. / Vrooman Rd. / Leroy Center Rd. (41.68699, -81.17544)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.9198  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Akron,
                OH Summit Co. United States  | 
            
                S Old Main St. / W South St. / Bachtel Ave. (41.06039, -81.52863)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 30.6185  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | Year Completed estimated (2017-2018). ICD estimated from Google Maps linework. | 
| 
                Toledo,
                OH Lucas Co. United States  | 
            
                Berdan Ave. / Haverhill Dr. / I-75 SB On-ramp (41.68899, -83.56276)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 46.3780  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                Green,
                OH Summit Co. United States  | 
            
                E Turkeyfoot Lake Rd. / Pickle Rd. (40.97410, -81.47402)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 36.9707  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | https://www.whbc.com/city-opens-new-roundabout-has-plans-for-more/ ICD estimated from Google Maps linework. | 
| 
                Newark,
                OH Licking Co. United States  | 
            
                Sharon Valley Rd. / Evans Blvd. (40.07366, -82.44379)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 22.8480  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | ICD estimated from Google Maps linework. | 
| 
                North Ridgeville,
                OH Lorain Co. United States  | 
            
                SR 83 / Mills Rd. (41.41884, -82.01865)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.7204  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | 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. | 
| 
                (unincorporated),
                OH Delaware Co. United States  | 
            
                Liberty Road at Jewett Road (40.14435, -83.07301)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 27.3892  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                (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. | 
| 
                Mason,
                OH Warren Co. United States  | 
            
                Mason Rd. / Sarah Dr. (39.36641, -84.31909)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 32.3170  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Mason,
                OH Warren Co. United States  | 
            
                Freedom Way / Veterans Pkwy. (39.33363, -84.30647)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 35.1035  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | Third leg of intersection not connected yet ICD estimated from Google Maps linework. | 
| 
                Liberty Township,
                OH Butler Co. United States  | 
            
                Yankee Rd. / Millikin Rd. (39.40022, -84.38541)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.1471  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                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  |   
            ||
| 
                West Chester Township,
                OH Butler Co. United States  | 
            
                Smith Rd. / Beckett Rd. / Beckett Meadows Rd. (39.35097, -84.45265)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 45.2538  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Opened May 2018. Entering ADT = 18,670 vpd as of Sept 2018. ICD estimated from Google Maps linework. | 
| 
                Hamilton,
                OH Butler Co. United States  | 
            
                Hamilton Mason Rd. / LeSourdsville West Chester Rd. (39.37223, -84.42497)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 40.6237  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Opened August 2018. ICD estimated from Google Maps linework. | 
| 
                Tuttle West,
                OH Franklin Co. United States  | 
            
                Bow Falls Blvd. / Cross River Falls Blvd. / Rainbow Falls St. (40.05861, -83.17153)  | 
            
                Traffic Calming Circle Existing  | 
            
                Other Unknown  | 
            
                4 Approaches 0 Driveways 115.1795  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Lebanon,
                OH Warren Co. United States  | 
            
                Old 122 Rd. / Township Line Rd. (39.49304, -84.14194)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 40.5533  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                Deerfield Township,
                OH Warren Co. United States  | 
            
                Innovation Way / Duke Blvd. (39.31380, -84.29873)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 51.7461  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | ICD estimated from Google Maps linework. | 
| 
                Kent,
                OH Portage Co. United States  | 
            
                E Summit St. / Johnson Dr. / Ted Boyd Dr. (41.14303, -81.33990)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 33.2783  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | ICD estimated from Google Maps linework. | 
| 
                Kent,
                OH Portage Co. United States  | 
            
                E Summit St. / Risman Dr. / Campus Center Dr. (41.14614, -81.34537)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 43.1698  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2018 | Campus Center Drive relocated to this roundabout. ICD estimated from Google Maps linework. | 
| 
                Kent,
                OH Portage Co. United States  | 
            
                Summit Dr. / Powder Mill Rd. (41.13724, -81.30541)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 21.5878  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Jackson,
                OH Jackson Co. United States  | 
            
                McCarty Ln. / Acy Ave. (39.03443, -82.60133)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.3255  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Perry Township,
                OH Stark Co. United States  | 
            
                Fohl St. SW / Shepler Church Ave. SW (40.73047, -81.45699)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.2908  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Canton,
                OH Stark Co. United States  | 
            
                12th St. NE / Maple Ave. NE / The O'Jays Pkwy (40.80858, -81.35463)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.8713  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Dayton,
                OH Greene Co. United States  | 
            
                Swigart Road / James Madison Trail N (39.67417, -84.10436)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 31.2548  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Beavercreek,
                OH Greene Co. United States  | 
            
                Idea Cetner Blvd. / Product Way (39.71487, -84.10120)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 24.8054  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Beavercreek,
                OH Greene Co. United States  | 
            
                Park Overlook Dr. / Private Parking Lot (39.76489, -84.07360)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.1318  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Beavercreek,
                OH Greene Co. United States  | 
            
                Park Overlook Dr / Hibiscus Way (39.76605, -84.06898)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 26.6230  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. |