| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Twinsburg,
                OH Summit Co. United States  | 
            
                Darien Ln. / (unknown) (41.32028, -81.42608)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Functional Class: Local | 
| 
                Copley Township,
                OH Summit Co. United States  | 
            
                Ridgewood Rd. / Hametown Rd. (41.11395, -81.66791)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.1947  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Opened August 21, 2006. ICD estimated from Google Maps linework. | 
| 
                Grove City,
                OH Franklin Co. United States  | 
            
                Buckeye Pkwy. / Pinnacle Club Dr. (39.86381, -83.05253)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 44.0031  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Dublin,
                OH Delaware Co. United States  | 
            
                Glick Rd. / Avery Rd. / Manley Rd. (40.14709, -83.16482)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.9527  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Dublin,
                OH Franklin Co. United States  | 
            
                Dubln Rd. / Brand Rd. (40.11790, -83.11801)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2005 | |
| 
                Hillard,
                OH Franklin Co. United States  | 
            
                Britton Pkwy. / Davidson Rd. (40.04977, -83.13399)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 54.8640  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Modified striping to remove fishhooks in 2019. | 
| 
                Dublin,
                OH Union Co. United States  | 
            
                Hyland-Croy Rd. / Glacier Ridge Blvd (40.15634, -83.18476)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.9484  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | A school nearby and park on the other side. Previously controlled by stop control side street Functional Class: Arterial/Residential ICD estimated from Google Maps linework. | 
| 
                Hilliard,
                OH Franklin Co. United States  | 
            
                Britton Pkwy. / Hayden Run Rd. (40.06202, -83.13750)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 54.8640  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | ICD = 160 feet in one-lane section, 180 in two-lane section. | 
| 
                Hilliard,
                OH Franklin Co. United States  | 
            
                Britton Pkwy. / Riggins Rd. (40.06493, -83.13857)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 54.8637  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2006 | Converted from 2x2 roundabout to a 2x1 roundabout in 2020 by changing the EB and WB thru/right lanes to RT only lanes. | 
| 
                Dublin,
                OH Franklin Co. United States  | 
            
                Muirfield Dr. / Brand Rd. (40.12731, -83.14957)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 73.1520  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2005 | Painted spirals next to central island. | 
| 
                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. | 
| 
                Tallmadge,
                OH Summit Co. United States  | 
            
                Tallmadge Circle (North Ave. / Northeast Ave. / East Ave. / Southeast Ave. / South Ave. / Southwest Ave. / West Ave. / Northwest Ave.) (41.10138, -81.44121)  | 
            
                Rotary Existing  | 
            
                All-Way Yield None  | 
            
                8 Approaches 10 Driveways 59.3989  | 
            
                Other (At-Grade) Single-Lane  |   
            1807 | 1807 is the year it was built, but as a square. Unknown when it took present form. Some history here: https://www.ohio.com/akron/lifestyle/local-history-tallmadge-circle-is-center-of-creation ICD estimated from Google Maps linework. | 
| 
                South Point,
                OH Lawrence Co. United States  | 
            
                Solida Rd. / US 52 WB Ramps / Collins Ave. (38.42360, -82.57472)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 47.7198  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2019 | ICD estimated from Google Maps linework. | 
| 
                Sycamore Township,
                OH Hamilton Co. United States  | 
            
                Plainfield Rd. / Sycamore Rd. (39.21534, -84.39192)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 37.9388  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | ICD estimated from Google Maps linework. | 
| 
                Hilliard,
                OH Franklin Co. United States  | 
            
                Scioto Darby Rd. / Leppert Rd. / Parkside Ct. (40.03296, -83.17013)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 37.4931  | 
            
                Other (At-Grade) Unknown  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                Hilliard,
                OH Franklin Co. United States  | 
            
                Scioto Darby Rd. / Veterans Memorial Dr. (40.03197, -83.16796)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 51.2109  | 
            
                Other (At-Grade) Unknown  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                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. | 
| 
                (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. | 
| 
                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. | 
| 
                Troy,
                OH Miami Co. United States  | 
            
                Main St. (Rte 41) / Market St. (Rte 55) (40.03961, -84.20333)  | 
            
                Other Existing  | 
            
                All-Way Yield Pedestrian Signal (red-yellow-green to drivers)  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            Painted splitter islands. Right-turn-only lanes on all legs. | |
| 
                North Avondale,
                OH Hamilton Co. United States  | 
            
                Dana Ave. / Clinton Springs Ave. (39.15192, -84.48330)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 1 Driveways 25.9328  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | This roundabout is mentioned in this local newspaper article (https://www.cincinnati.com/story/news/politics/2017/09/12/northside-you-ready-roundabout/646761001/) 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  |   
            ||
| 
                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. | 
| 
                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. | 
| 
                Toledo,
                OH Lucas Co. United States  | 
            
                Berdan Ave. / Jeep Pkwy. (41.68743, -83.56072)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 45.4872  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2017 | Year Completed estimated (2016-2018). ICD estimated from Google Maps linework. | 
| 
                Fremont,
                OH Sandusky Co. United States  | 
            
                US 6 (OH-53) / Terra State Community College access (41.35386, -83.16530)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 39.4467  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Shaker Heights,
                OH Cuyahoga Co. United States  | 
            
                Hwy 8 / Northfield Rd. / (cemetery access) (41.46013, -81.53311)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 30.4317  | 
            
                Other (At-Grade) Single-Lane  |   
            2014 | Year Completed estimated (2014-2015). ICD estimated from Google Maps linework. | 
| 
                Louisville,
                OH Stark Co. United States  | 
            
                Easton St. NE / Paris Ave. NE (40.87049, -81.20902)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.5444  | 
            
                Other (At-Grade) Single-Lane  |   
            2014 | ICD estimated from Google Maps linework. | 
| 
                Boardman Township,
                OH Mahoning Co. United States  | 
            
                Sheridan Rd. / Mathews Rd. (41.03888, -80.62111)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 20.7193  | 
            
                Other (At-Grade) Single-Lane  |   
            2014 | Year Completed estimated (2014-2015). 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. | 
| 
                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. | 
| 
                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. | 
| 
                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. | 
| 
                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. | 
| 
                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. | 
| 
                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. | 
| 
                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. | 
| 
                Akron,
                OH Summit Co. United States  | 
            
                Edgewood Ave. / Westerly Rd. (41.07351, -81.53973)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.3135  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Year Completed estimated (2006-2009). 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. | 
| 
                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. | 
| 
                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. | 
| 
                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. | 
| 
                North Lima,
                OH Mahoning Co. United States  | 
            
                SR 164 (South Ave.) / SR 626 (Woodworth Rd.) / CR 28 (E Middletown Rd.) (40.95898, -80.64176)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 54.1159  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | ICD estimated from Google Maps linework. | 
| 
                Toledo,
                OH Lucas Co. United States  | 
            
                W Manhattan Blvd. / Phillips Ave. / Blanchard St. (41.68496, -83.55039)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.4889  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                Toledo,
                OH Lucas Co. United States  | 
            
                Willys Pkwy / I-75 NB Ramps (41.68284, -83.56919)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 41.9226  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2018 | Year Completed estimated (2018-2019). ICD estimated from Google Maps linework. | 
| 
                Toledo,
                OH Lucas Co. United States  | 
            
                Willys Pkwy. / I-75 SB Ramps (41.68357, -83.57052)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 42.8140  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2018 | Year Completed estimated (2018-2019). ICD estimated from Google Maps linework. | 
| 
                Perrysburg,
                OH Wood Co. United States  | 
            
                N Wilkinson Way / Hollister Ln. (41.52993, -83.64403)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 24.1403  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Replaced triangular set of intersections. ICD estimated from Google Maps linework. | 
| 
                Blue Ash,
                OH Hamilton Co. United States  | 
            
                Glendale Milford Rd. / Lake Forest Dr. / Summit Pl. (39.25169, -84.38466)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.8671  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2019 | ICD estimated from Google Maps linework. | 
| 
                Union Township,
                OH Clermont Co. United States  | 
            
                Miami View Trl. / Miami Hills Dr. / Terrace Ridge Dr. (39.15189, -84.28027)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 60.2012  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. ICD estimated from Google Maps linework. | |
| 
                Pleasant Township,
                OH Franklin Co. United States  | 
            
                Norton Rd. / Johnson Rd. (39.89132, -83.15463)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | https://www.nbc4i.com/news/local-news/1-8-million-roundabout-added-to-dangerous-intersection/ | 
| 
                Youngstown,
                OH Mahoning Co. United States  | 
            
                E Western Reserve Rd. / N Lima Rd. / Springfield Rd. (40.98799, -80.61116)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 43.2737  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | https://www.vindy.com/news/local-news/2019/12/learning-curve-needed-to-maneuver-new-mahoning-roundabout/ ICD estimated from Google Maps linework. | 
| 
                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. | 
| 
                Plain City,
                OH Union Co. United States  | 
            
                Hyland-Croy Rd. / Wells Rd. (40.17354, -83.18698)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.8529  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | Year Completed estimated (2011-2014). ICD estimated from Google Maps linework. | 
| 
                Dublin,
                OH Franklin Co. United States  | 
            
                Brand Rd. / Avery Rd. (40.12997, -83.15916)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.8739  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | https://dublinohiousa.gov/newsroom/averybrand-roundabout-traffic-pattern-change ICD estimated from Google Maps linework. | 
| 
                Hamilton,
                OH Butler Co. United States  | 
            
                Hamilton Mason Rd. / Hamilton Enterprise Park Dr. / Gilmore Rd. (39.37927, -84.51743)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.6196  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | Existing Gilmore Road was relocated to align with existing Hamilton Enterprise Park Dr. A single-lane modern roundabout with 150' inscribed diameter. ICD estimated from Google Maps linework. | 
| 
                Liberty Township,
                OH Butler Co. United States  | 
            
                Carriage House Blvd. / Thoroughbred Ln. / Winner Circle Dr. (39.39434, -84.45087)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0730  | 
            
                Other (At-Grade) Single-Lane  |   
            2014 | ICD estimated from Google Maps linework. | 
| 
                West Chester Township,
                OH Butler Co. United States  | 
            
                Civic Centre Blvd. / Water Front Dr. / Bass Pro Dr. (39.31600, -84.42671)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.5044  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | ICD estimated from Google Maps linework. | 
| 
                Fairfield,
                OH Butler Co. United States  | 
            
                Seward Rd. / Essex Orchard Station Dr. (39.31580, -84.49502)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 22.1763  | 
            
                Other (At-Grade) Single-Lane  |   
            1997 | Year Completed estimated (1994-2000). ICD estimated from Google Maps linework. | 
| 
                Fairfield,
                OH Butler Co. United States  | 
            
                Seward Rd. / Kohn Dr. (39.31476, -84.49520)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 20.3285  | 
            
                Other (At-Grade) Single-Lane  |   
            1997 | Little deflection for northbound through movement. Year Completed estimated (1994-2000). ICD estimated from Google Maps linework. | 
| 
                West Chester Township,
                OH Butler Co. United States  | 
            
                Circle Dr. / Roberts Way (39.31882, -84.42234)  | 
            
                Other Existing  | 
            
                Other None  | 
            
                4 Approaches 0 Driveways 32.3390  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Stop control on two legs; yield vontrol on two legs. No splitter islands on three legs. Pedestrian access to central island. ICD estimated from Google Maps linework. | 
| 
                Toledo,
                OH Lucas Co. United States  | 
            
                N Cove Blvd. / Promedica Pkwy. (41.67276, -83.59272)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 28.5475  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2016 | https://www.toledoblade.com/local/2016/08/19/Traffic-patterns-shift-on-ProMedica-Parkway.html ICD estimated from Google Maps linework. | 
| 
                Toledo,
                OH Lucas Co. United States  | 
            
                Promedica Pkwy. / (hospital access) (41.67423, -83.59308)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 32.1152  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2016 | https://www.toledoblade.com/local/2016/08/19/Traffic-patterns-shift-on-ProMedica-Parkway.html ICD estimated from Google Maps linework. | 
| 
                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 | 
| 
                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. | 
| 
                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. |