| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                Harkrider St. / Markham St. / Siebenmorgen Rd. (35.09909, -92.43867)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 54.7204  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2011 | Pedestrian underpass on north leg. ICD estimated from Google Maps linework. | 
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                Prince St. / Faris Rd. (35.09218, -92.46256)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.0893  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                Prince St. / Morningside Dr. (35.09220, -92.46651)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 41.0438  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                Prince St. / Salem Rd. (35.09233, -92.47141)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.0893  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                Dave Ward Dr. / Amity Rd. / I-40 WB Ramps (35.06637, -92.41452)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 65.4953  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                Dave Ward Dr. / New Amity Rd. (35.06649, -92.41225)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Other  | 
            
                4 Approaches 0 Driveways 57.6749  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                Favre Ln. / S Donaghey Ave. (35.05550, -92.45511)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 37.1516  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                Ott Memorial Dr. / Market Plaza Dr. (35.11103, -92.45046)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.3562  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Green Bay,
                WI Brown Co. United States  | 
            
                Shawano Ave. / I-41 NB Ramps (44.53750, -88.07683)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 47.6732  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            2013 | Year Completed estimated (2011-2015). ICD estimated from Google Maps linework. | 
| 
                Howard,
                WI Brown Co. United States  | 
            
                Shawano Ave. / I-41 SB Ramps (44.53894, -88.07831)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 49.3746  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            2013 | Year Completed estimated (2011-2015). ICD estimated from Google Maps linework. | 
| 
                Green Bay,
                WI Brown Co. United States  | 
            
                Shawano Ave. / Duck Creek Pkwy. (44.54055, -88.08010)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.0093  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            2013 | Year Completed estimated (2011-2015). ICD estimated from Google Maps linework. | 
| 
                Howard,
                WI Brown Co. United States  | 
            
                Cardinal Ln. / Duck Creek Pkwy. / Elmhurst Ave. (44.54540, -88.08519)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.5596  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2013 | Year Completed estimated (2011-2015). ICD estimated from Google Maps linework. | 
| 
                Green Bay,
                WI Brown Co. United States  | 
            
                Cardinal Ln. / N Packerland Dr. / Shawano Ave. / STH 32 WB On-Ramp (44.54373, -88.08784)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 49.3705  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            2013 | Year Completed estimated (2011-2015). ICD estimated from Google Maps linework. | 
| 
                Green Bay,
                WI Brown Co. United States  | 
            
                N Packerland Dr. / STH 32 EB Off-Ramp (44.54289, -88.08979)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 44.2639  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            2013 | Year Completed estimated (2011-2015). ICD estimated from Google Maps linework. | 
| 
                Hobart, Village of,
                WI Brown Co. United States  | 
            
                N Packerland Dr. / Badgerland Dr. (44.54245, -88.09075)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.9667  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2013 | Year Completed estimated (2011-2015). ICD estimated from Google Maps linework. | 
| 
                Missoula,
                MT Missoula Co. United States  | 
            
                Miller Creek Rd. / Lower Miller Creek Rd. / Upper Miller Creek Rd. (46.82569, -114.05048)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 39.2248  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Year Completed estimated (2009-2011). ICD estimated from Google Maps linework. | 
| 
                Missoula,
                MT Missoula Co. United States  | 
            
                N Orange St. / N 5th St. / I-90 EB Ramps (46.87980, -113.99314)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Active Pedestrian Warning (flashing yellow)  | 
            
                3 Approaches 0 Driveways 45.7162  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2017 | Completed June 2017. ICD estimated from Google Maps linework. | 
| 
                Missoula,
                MT Missoula Co. United States  | 
            
                N Van Buren St. / I-90 EB Ramps (46.87015, -113.98167)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.2933  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2018 | Completed summer 2018. Raindrop-shaped central island. ICD estimated from Google Maps linework. | 
| 
                Bozeman,
                MT Gallatin Co. United States  | 
            
                W College St. / S 11th Ave. (45.67113, -111.05200)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.2247  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Year Completed estimated (2009-2011). ICD estimated from Google Maps linework. | 
| 
                Elkridge,
                MD Howard Co. United States  | 
            
                Elkridge Crossing Way / Doctor Patel Dr. (39.21091, -76.72512)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 31.4634  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | East leg stubbed for future. ICD estimated from Google Maps linework. | 
| 
                Essex,
                MD Baltimore Co. United States  | 
            
                Southeast Blvd. (MD 702) / Hyde Park Rd. (39.29884, -76.43951)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.6663  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | Built as temporary installation, then converted to permanent design. ICD estimated from Google Maps linework. | 
| 
                Owings Mills,
                MD Baltimore Co. United States  | 
            
                Tollgate Rd. / Lastgage Rd. (39.42149, -76.78482)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 28.6010  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Sykesville,
                MD Carroll Co. United States  | 
            
                Smithfield Ave. / Warfield Ave. (39.37673, -76.96410)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 47.0835  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2007 | Elliptical shape. ICD estimated from Google Maps linework. | 
| 
                Bowie,
                MD Prince George's Co. United States  | 
            
                Melford Blvd. / Science Dr. (38.96089, -76.71320)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 43.6480  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Concentric striping in circulatory roadway. ICD estimated from Google Maps linework. | 
| 
                Bowie,
                MD Prince George's Co. United States  | 
            
                Melford Blvd. / Curie Dr. (38.95842, -76.70683)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 78.9406  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Abingdon,
                MD Harford Co. United States  | 
            
                Merchants Blvd. / Wegmans Blvd. (39.46815, -76.30901)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.5039  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Laurel,
                MD Howard Co. United States  | 
            
                Whiskey Bottom Rd. / All Saints Rd. (39.12478, -76.84257)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 25.9428  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Laurel,
                MD Howard Co. United States  | 
            
                Stephens Rd. / Whiskey Bottom Rd. (39.12704, -76.84608)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.6480  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Gambrills,
                MD Anne Arundel Co. United States  | 
            
                2498 Mt Tabor Rd (38.99855, -76.66414)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 22.2765  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Greenbelt,
                MD Prince George's Co. United States  | 
            
                Cherrywood Ln. / Greenbelt Metro Dr. (39.00985, -76.90330)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Other  | 
            
                3 Approaches 0 Driveways 24.1290  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | Raised crosswalks. ICD estimated from Google Maps linework. | 
| 
                Havre de Grace,
                MD Harford Co. United States  | 
            
                Chapel Rd. / Bulle Rock Pkwy. (39.55465, -76.12813)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.9922  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Havre de Grace,
                MD Harford Co. United States  | 
            
                Blenheim Farm Ln. / Bounding Home Ct. (39.54665, -76.13521)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.3915  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Painted splitter islands on north and south legs, no splitter islands on east and west legs. ICD estimated from Google Maps linework. | 
| 
                North East,
                MD Cecil Co. United States  | 
            
                Charlestown Crossing Blvd. / Claiborne Rd. (39.59472, -75.97957)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.6095  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | ICD estimated from Google Maps linework. | 
| 
                Dundalk,
                MD Baltimore Co. United States  | 
            
                Dundalk Ave. / Sollers Point Rd. (39.24534, -76.50786)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.9734  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                North East,
                MD Cecil Co. United States  | 
            
                Seahawk Dr. / (parking lot) (39.64098, -75.95714)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 28.5107  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Year Completed estimated (1995-2005). ICD estimated from Google Maps linework. | 
| 
                Hampstead,
                MD Carroll Co. United States  | 
            
                MD 30 (Hampstead Bypass) / Business MD 30 (Hanover Pike) (39.58178, -76.84261)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 56.1498  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Hampstead,
                MD Carroll Co. United States  | 
            
                MD 30 (Hampstead Bypass) / MD 482 (Hampstead Mexico Rd.) (39.61108, -76.86457)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 53.3657  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Hampstead,
                MD Carroll Co. United States  | 
            
                MD-30 (Hampstead Bypass) / Business MD 30 (Hanover Pike) (39.63466, -76.86675)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 49.6684  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Windsor Mill,
                MD Baltimore Co. United States  | 
            
                Lord Baltimore Dr. / Wildlife Dr. (39.31993, -76.75019)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 14.7833  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | Year Completed estimated (1993-2002). ICD estimated from Google Maps linework. | 
| 
                Windsor Mill,
                MD Baltimore Co. United States  | 
            
                Lord Baltimore Dr. / Glen Spring Rd. / Kettle Ct. (39.31750, -76.75152)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 17.5558  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | Year Completed estimated (1993-2002). ICD estimated from Google Maps linework. | 
| 
                Cumberland,
                MD Allegany Co. United States  | 
            
                US 220 / I-68 EB Ramps  (39.64367, -78.79099)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.0276  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2012 | Built to facilitate U-turns. Teardrop shape. ICD estimated from Google Maps linework. | 
| 
                Chestertown,
                MD Kent Co. United States  | 
            
                MD 20 / MD 291 / (parking lot) (39.21863, -76.07913)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 47.1899  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Oxon Hill,
                MD Prince George's Co. United States  | 
            
                Oxon Hill Rd. / (parking lots) (38.79166, -77.00416)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.0650  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Oxon Hill,
                MD Prince George's Co. United States  | 
            
                Oxen Hill Rd. / Cedar Ridge Dr. / Panorama Dr. (38.78452, -77.00597)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.4465  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Fort Washington,
                MD Prince George's Co. United States  | 
            
                Oxon Hill Rd. / Kerby Hill Rd. (38.77951, -77.00648)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.4490  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Jessup,
                MD Anne Arundel Co. United States  | 
            
                National Business Pkwy. / Brock Bridge Rd. (39.14025, -76.76395)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 44.4636  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Hanover,
                MD Anne Arundel Co. United States  | 
            
                Watts Ave. / Clark Rd. (39.15138, -76.72638)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways 25.9330  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Hanover,
                MD Anne Arundel Co. United States  | 
            
                Ridge Rd. / Corporate Center Dr. (39.19204, -76.70216)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 31.4719  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Catonsville,
                MD Baltimore Co. United States  | 
            
                UMBC Blvd. / Research Park Dr. (39.24874, -76.71580)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 44.3950  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | Elliptical shape. ICD estimated from Google Maps linework. | 
| 
                Catonsville,
                MD Baltimore Co. United States  | 
            
                Hilltop Cir. / UMBC Blvd. (39.25178, -76.71442)  | 
            
                Rotary Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 60.1156  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2015 | Lane changes needed for some through movements. ICD estimated from Google Maps linework. | 
| 
                Friendship,
                MD Anne Arundel Co. United States  | 
            
                Solomons Island Rd. (MD 2) / Friendship Rd. (MD 261) / Sansbury Rd. (38.73656, -76.59379)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.0594  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Laurel,
                MD Howard Co. United States  | 
            
                Old Scaggsville Rd. / High Ridge Rd. / Running Deer Dr. (39.11815, -76.86396)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.7985  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Columbia,
                MD Howard Co. United States  | 
            
                Harpers Farm Rd. / Campus Dr. (39.21534, -76.88023)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 31.4614  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Originally had 4 legs. ICD estimated from Google Maps linework. | 
| 
                Ellicott City,
                MD Howard Co. United States  | 
            
                College Ave. / Bending Sky Way (39.25754, -76.79122)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 26.8186  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Aberdeen,
                MD Harford Co. United States  | 
            
                Philadelphia Rd. (MD 7) / Ashford Dr.. / Panell Dr. (39.48593, -76.23873)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.4792  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Aberdeen,
                MD Harford Co. United States  | 
            
                Tralee Cir. / Ashford Dr. (39.48395, -76.23831)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 25.8100  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Aberdeen,
                MD Harford Co. United States  | 
            
                Burnt Hill Trl. / Atlas Cedar Way / Thistle Hill Dr. (39.49324, -76.22236)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.1799  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Aberdeen,
                MD Harford Co. United States  | 
            
                Burnt HIll Trl. / Witch Hazel Way / Limestone Ct. (39.49486, -76.22046)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.1791  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Aberdeen,
                MD Harford Co. United States  | 
            
                Thistle Hill Dr. / Witchhazel Way (39.49563, -76.22415)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.3355  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Aberdeen,
                MD Harford Co. United States  | 
            
                Burnt Hill Trl. / Holly Oak Cir. / Woods Line Dr. (39.49605, -76.21740)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.8055  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                The Dalles,
                OR Wasco Co. United States  | 
            
                E 2nd St. / E 3rd St. / Brewery Grade (45.59719, -121.17291)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.7695  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Boardman,
                OR Morrow Co. United States  | 
            
                Tatone St. / City Center Dr. (45.83253, -119.70259)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 43.2722  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                S Amity Rd. / (parking lot access) (35.06506, -92.41518)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.1697  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Seattle,
                WA King Co. United States  | 
            
                Boylston Ave. / E. Howell St. (47.61765, -122.32347)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 128.8107  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                E Siebenmorgan Rd. / N Museum Rd. (35.09867, -92.41881)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 46.9035  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | ICD estimated from Google Maps linework. | 
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                Washington Ave. / Fleming St. / Clifton St. (35.10640, -92.44487)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 36.1513  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                Amity Rd. / Elsinger Blvd. (35.08456, -92.41419)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 49.8436  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2017 | ICD estimated from Google Maps linework. | 
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                E 6th St. / Central Landing Blvd. (35.08420, -92.42236)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 53.7531  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2017 | ICD estimated from Google Maps linework. | 
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                E 6th St. / 1st Ave. / Bruce St. (35.08422, -92.42807)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.0705  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2017 | ICD estimated from Google Maps linework. | 
| 
                Saint George,
                UT Washington Co. United States  | 
            
                Airport Pkwy. / Desert Canyons Pkwy. (37.02456, -113.50841)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.1410  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                Country Club Rd. / Kensington Dr. (35.07843, -92.48086)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                4 Approaches 0 Driveways 10.7514  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Palm Coast,
                FL Flagler Co. United States  | 
            
                Matanzas Woods Pkwy. / (unknown) (29.60334, -81.28551)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 41.5371  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2010 | Concentric circulatory roadway striping, posted speed limits of 15 mph in circulatory roadway. Year Completed estimated (2008-2010). ICD estimated from Google Maps linework. | 
| 
                Adams,
                MA Berkshire Co. United States  | 
            
                Columbia St. (Rte 8) / Renfrew St. / Friend St. (42.63704, -73.11300)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.7517  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Seabrook,
                SC Beaufort Co. United States  | 
            
                US 21 (Trask Pkwy.) / US 17 SB Ramps (32.60212, -80.75961)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways 41.2518  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Baton Rouge,
                LA East Baton Rouge Par. United States  | 
            
                Dalrymple Dr. / Isaac Cline Dr. / W Lakeshore Dr. (30.41647, -91.17170)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.7188  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Newport,
                KY Campbell Co. United States  | 
            
                Louie B Nunn Dr. / University Dr. (39.03333, -84.45999)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.6874  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Highland Heights,
                KY Campbell Co. United States  | 
            
                Martha Layne Collins Blvd. / Johns Hill Rd. / University Dr. / Knollwood Dr. (39.02729, -84.46077)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 43.6071  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Liberty Township,
                OH Butler Co. United States  | 
            
                Kyles Station Rd. / Cincinnati Dayton Rd. (39.41390, -84.36743)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.5994  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Springboro,
                OH Warren Co. United States  | 
            
                Settlers Walk Blvd. / Remick Blvd. / Stolle Dr. (39.57782, -84.21781)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 64.4378  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | ICD estimated from Google Maps linework. | 
| 
                Miamisburg,
                OH Montgomery Co. United States  | 
            
                Austin W Blvd. / Automation Way (39.59850, -84.24378)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways 44.1728  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | ICD estimated from Google Maps linework. | 
| 
                Kettering,
                OH Montgomery Co. United States  | 
            
                Forrer Blvd. / Madison St. (39.71565, -84.14854)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 51.4476  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1996 | ICD estimated from Google Maps linework. | 
| 
                Huber Heights,
                OH Miami Co. United States  | 
            
                Carriage Trails Pkwy. / Senna St. (39.89143, -84.12441)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 47.6508  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Year Completed estimated (2002-2004). Side street did not open to traffic until 2009. ICD estimated from Google Maps linework. | 
| 
                Tipp City,
                OH Miami Co. United States  | 
            
                Carriage Trails Pkwy. / Lakeside St. (39.89100, -84.11903)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 51.3166  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Side street did not open to traffic until 2013. Has pedestrian underpass. ICD estimated from Google Maps linework. | 
| 
                Huber Heights,
                OH Miami Co. United States  | 
            
                Carriage Trails Pkwy. / Forestedge St. (39.89052, -84.11278)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 46.7351  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Side street did not open to traffic until 2005. ICD estimated from Google Maps linework. | 
| 
                Huber Heights,
                OH Miami Co. United States  | 
            
                Carriage Trails Pkwy (39.88634, -84.10037)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 47.6544  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                West Chester Township,
                OH Butler Co. United States  | 
            
                Centre Pointe Dr. / West Chester Township Centre Dr. (39.32694, -84.43063)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 37.8784  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                West Chester Township,
                OH Butler Co. United States  | 
            
                Lakota Dr. W / Eagle Ridge Dr. / Eagle Ridge Ct. (39.33111, -84.42783)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.5619  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                West Chester Township,
                OH Butler Co. United States  | 
            
                Hutzelman Way / Plum Tree Dr. (39.35732, -84.46578)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 31.3977  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Painted splitter islands. ICD estimated from Google Maps linework. | 
| 
                West Chester Township,
                OH Butler Co. United States  | 
            
                Dudley Dr. / University Dr. (39.35646, -84.36877)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 30.4746  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Painted splitter island on northwest leg. ICD estimated from Google Maps linework. | 
| 
                Liberty Township,
                OH Butler Co. United States  | 
            
                Kyles Station Rd. / Yankee Rd. (39.41489, -84.38421)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.5988  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Liberty Township,
                OH Butler Co. United States  | 
            
                Millikin Rd. / Maud Hughes Rd. (39.40153, -84.40943)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6837  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Liberty Township,
                OH Butler Co. United States  | 
            
                Kyles Station Rd. / Lesourdsville West Chester Rd. (39.41743, -84.43708)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.5974  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Liberty Township,
                OH Butler Co. United States  | 
            
                Aspenwood Dr. / Aspen Trail Blvd. (39.42119, -84.44619)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 26.7559  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | No splitter islands. ICD estimated from Google Maps linework. | 
| 
                Liberty Township,
                OH Butler Co. United States  | 
            
                Hughes Woods Ln. / Hughes Ridge Ln. (39.39099, -84.40464)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 43.3818  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | No splitter islands. ICD estimated from Google Maps linework. | 
| 
                Liberty Township,
                OH Butler Co. United States  | 
            
                The Trails Blvd. / Kensington Trl. / Windsor Trl. / Cambridge Trl. (39.39451, -84.34693)  | 
            
                Other Existing  | 
            
                All-Way Stop None  | 
            
                4 Approaches 0 Driveways 50.7634  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Stop control; no splitter islands. ICD estimated from Google Maps linework. | 
| 
                Liberty Township,
                OH Butler Co. United States  | 
            
                Berkshire Pl. / Amberly Ct. / Wiltshire Ct. (39.39282, -84.34687)  | 
            
                Other Existing  | 
            
                All-Way Stop None  | 
            
                4 Approaches 0 Driveways 27.6898  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Stop control and no splitter islands. ICD estimated from Google Maps linework. | 
| 
                St. Clair Township,
                OH Butler Co. United States  | 
            
                Hamilton Trenton Rd. / Riverside Dr. / Busenbark Rd. / (parking lot) (39.46565, -84.48671)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.7252  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | ICD estimated from Google Maps linework. | 
| 
                St. Clair Township,
                OH Butler Co. United States  | 
            
                Jacksonburg Rd. / Morganthaler Rd. (39.46012, -84.52261)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0399  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                St. Clair Township,
                OH Butler Co. United States  | 
            
                Eaton Rd. / Beissinger Rd. (39.44294, -84.58301)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6602  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Ross Township,
                OH Butler Co. United States  | 
            
                SR 748 (Millville Shandon Rd.) / Layhigh Rd. (39.36255, -84.69648)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.4761  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. |