| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Clearlake Oaks,
                CA Lake Co. United States  | 
            
                SR 20 / SR 53 (39.00852, -122.61426)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | Merging right-turn bypass lanes on all legs. Year Completed estimated (2019-2020). | 
| 
                Kissimmee,
                FL Osceola Co. United States  | 
            
                Storey Lake Blvd. / Natures Ridge Dr. / Bamboo Ln. (28.33408, -81.47460)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 67.0560  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2017 | Long segments of circulatory roadway between entries and exits. | 
| 
                Dublin,
                 Ireland  | 
            
                Ballinteer Rd. / Ballinteer Ave. (53.27852, -6.24499)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Orbe,
                Vaud Jura-Nord vaudois District Switzerland  | 
            
                Avenue de Thienne / Route de Valeyres / Route de Montcherand (46.73032, 6.53134)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 1 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Orbe,
                Vaud Jura-Nord vaudois District Switzerland  | 
            
                Route de Valeyres / Chemin de Suchet / Chemin de Montchoisi (46.73467, 6.53041)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Orbe,
                Vaud Jura-Nord vaudois District Switzerland  | 
            
                Avenue de Thienne / Avenue Carrard-et-de Foligny / Rue des Terreaux / Grand Rue (46.72645, 6.53206)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Orbe,
                Vaud Jura-Nord vaudois District Switzerland  | 
            
                Rue de Grand-Pont / Route de Saint-Eloi / Route d'Arnex / Chemin de Philosophes (46.72097, 6.53071)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Dover,
                DE Kent Co. United States  | 
            
                Cannon Mill Dr. / E Sheldrake Cir. / W Sheldrake Cir. (39.14882, -75.56602)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 28.9560  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | No pavement markings. Year Completed estimated (2005-2006). | 
| 
                Bear,
                DE New Castle Co. United States  | 
            
                Carvel Ln. / Calvarese Dr. / Quintilio Dr. (39.63313, -75.66784)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 76.2000  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Year Completed estimated (2002-2005). | 
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                Brick Mill Circle (39.46632, -75.69145)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 9 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                The Legends,
                DE New Castle Co. United States  | 
            
                Wittington Way / Casper Way / Sheehan Dr. (39.46536, -75.70967)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            Pedestrian facility in central island. | |
| 
                The Legends,
                DE New Castle Co. United States  | 
            
                West Wittington Circle (39.46705, -75.71358)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            Pedestrian facility in central island. | |
| 
                Creeds,
                VA Virginia Beach City United States  | 
            
                Oxford Dr. / Kings Grant Rd. / Newcastle Rd. (36.86139, -76.09108)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Colonial Place-Riverview,
                VA Norfolk City United States  | 
            
                Colonial Circle (36.88400, -76.28676)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Colonial Place-Riverview,
                VA Norfolk City United States  | 
            
                Delaware Circle (36.88495, -76.29116)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Colonial Place-Riverview,
                VA Norfolk City United States  | 
            
                Carolina Circle (36.88150, -76.29000)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Colonial Place-Riverview,
                VA Norfolk City United States  | 
            
                Rhode Island Circle (36.88750, -76.28797)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Annapolis,
                MD Anne Arundel Co. United States  | 
            
                Church Circle (38.97848, -76.49269)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                7 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            ||
| 
                Annapolis,
                MD Anne Arundel Co. United States  | 
            
                Main St. / Randall St. (38.97746, -76.48722)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Annapolis,
                MD Anne Arundel Co. United States  | 
            
                King George St. / Turner Joy Rd. / Brownson Rd. (38.97776, -76.48280)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            On campus of US Naval Academy. | |
| 
                Scunthorpe,
                England North Lincolnshire United Kingdom  | 
            
                Timberland / Olive Dr. / Pinewood Close / Wilkinson Way (53.55770, -0.63074)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Scawby,
                England North Lincolnshire United Kingdom  | 
            
                Briggate Lodge Roundabout [A18 / A15 (Ermine St.) / Ermine St.] (53.54820, -0.55724)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Scawby,
                England North Lincolnshire United Kingdom  | 
            
                Broughton Interchange [A15 (Ermine St.) / M180 Ramps] (53.54434, -0.55793)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            Racetrack shaped. | |
| 
                Thorne,
                England Doncaster United Kingdom  | 
            
                A614 (Selby Rd.) / Waterside Rd. / Paddock Ln. / M18 Ramps (53.61871, -0.97773)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                6 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            Racetrack shaped. | |
| 
                Airmyn,
                England East Riding of Yorkshire United Kingdom  | 
            
                A614 (Rawcliffe Rd.) / Airmyn Rd. / Elite Rd. / (service area entrance) (53.70649, -0.91578)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Airmyn,
                England East Riding of Yorkshire United Kingdom  | 
            
                A614 (Rawcliffe Rd.) / M62 NB Ramps (53.70639, -0.91093)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Airmyn,
                England East Riding of Yorkshire United Kingdom  | 
            
                A614 (Rawcliffe Rd.) / A161 / M62 SB Ramps (53.70521, -0.90817)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Goole,
                England East Riding of Yorkshire United Kingdom  | 
            
                A161 (Tom Pudding Way) / (business park access roads) / (parking) (53.70031, -0.90554)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Nottingham,
                England Nottingham City United Kingdom  | 
            
                A609 (Wollaton Rd.) / A6514 (Middleton Blvd. - Western) / Radford Bridge Rd. (52.95516, -1.19221)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal None  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            ||
| 
                Nottingham,
                England Nottingham City United Kingdom  | 
            
                Bramcote Ln. / Wollaton Vale (52.94849, -1.22840)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Beeston,
                England Nottingham City United Kingdom  | 
            
                Priory Roundabout [A52 (Derby Rd.) / B6464 (Woodside Rd.) / Wollaton Vale] (52.93897, -1.21653)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            ||
| 
                Frankfurt,
                Hesse Frankfurt am Main Germany  | 
            
                Beethovenstraße / Mendehlssohnstraße / Wilhelm-Hauff-Straße (50.11374, 8.65659)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Frankfurt,
                Hesse Frankfurt am Main Germany  | 
            
                Luisenplatz (50.12226, 8.69659)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Frankfurt,
                Hesse Frankfurt am Main Germany  | 
            
                Dortelweiler Straße / Valentin-Senger-Straße (50.13872, 8.69986)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 1 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Frankfurt,
                Hesse Frankfurt am Main Germany  | 
            
                Riedbergallee / Altenhöferallee (50.17689, 8.63034)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            Trams through central island. | |
| 
                Frankfurt,
                Hesse Frankfurt am Main Germany  | 
            
                Graf-von-Stauffenberg Allee / Carl-Hermann-Rudloff Allee (50.17609, 8.61590)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Edinburgh Castle,
                Scotland Edinburgh City United Kingdom  | 
            
                Johnston Terrace / Castle Terrace (55.94715, -3.20205)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Arthur's Seat,
                Scotland Edinburgh City United Kingdom  | 
            
                Queen's Drive / Horse Wynd (55.95061, -3.17193)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Holyrood,
                Scotland Edinburgh City United Kingdom  | 
            
                Horse Wynd / Canongate / Abbeyhill / Abbey Strand (55.95273, -3.17455)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Nottingham,
                England Notts United Kingdom  | 
            
                A6002 (Bilborough Rd.) / College Way (52.96738, -1.23672)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Nottingham,
                England Nottingham City United Kingdom  | 
            
                A6130 (Gregory Blvd.) / B682 (Sherwood Rise) (52.96820, -1.15518)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Nottingham,
                England Nottingham City United Kingdom  | 
            
                A60 (Mansfield Rd.) / A6130 (Gregory Blvd.) (52.96812, -1.15407)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Nottingham,
                England Nottingham City United Kingdom  | 
            
                A6514 (Valley Rd.) / A611 (Hucknall Rd.) (52.98710, -1.15968)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Nottingham,
                England Nottingham City United Kingdom  | 
            
                A610 (Nuthall Rd.) / Cinderhill Rd. / Bells Ln. (52.98681, -1.20316)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            Signal on one approach | |
| 
                Little Eaton,
                England Derbyshire United Kingdom  | 
            
                Little Eaton Island [A38 / A81 / B6179 (Alfreton Rd.) / Ford Ln.] (52.95612, -1.45957)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal None  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                City Centre,
                England Derby City United Kingdom  | 
            
                A516 (Uttoxeter New Rd.) / A601 (Stafford St. - Mercian Way) / Curzon St. (52.92145, -1.48585)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Long Eaton,
                England Derbyshire United Kingdom  | 
            
                A6005 (Derby Rd.) / B6002 (Petersham Rd. - Wilsthorpe Rd.) (52.89996, -1.29372)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Radkersburg,
                Styria Südoststeiermark District Austria  | 
            
                B69 (Halbenrainer Straße - Stadtgrabenstraße) / L204 (Doktor-Kamniker Straße - Langgasse) (46.69124, 15.98790)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Poplar Bluff,
                MO Butler Co. United States  | 
            
                Highway PP / Township Line Rd. (36.76733, -90.46486)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 47.2440  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | Year Completed estimated (2015-2016). | 
| 
                Flintstone,
                MD Allegany Co. United States  | 
            
                Lake Shore Dr. / (parking) (39.69941, -78.65115)  | 
            
                Unknown Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Unknown Unknown  |   
            ||
| 
                Villages of Winterset,
                MD Baltimore Co. United States  | 
            
                Runnymeade Rd. / New Town Blvd. / Bon Haven Ln. (39.39893, -76.81700)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Owings Mills,
                MD Baltimore Co. United States  | 
            
                New Town Blvd. / Rangeford Dr. (39.40957, -76.80654)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Abingdon,
                MD Harford Co. United States  | 
            
                Four Seasons Dr. / Raking Leaf Dr. / Raking Leaf Dr. / Indian Summer Ct. (39.45387, -76.28951)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Painted splitter islands. Pedestrian crossings at entrance lines. Year Completed estimated (2005-2007). | 
| 
                Hollywood Lakes,
                FL Broward Co. United States  | 
            
                W Lake Dr. / W Lake Loop (south) (26.02149, -80.12818)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                2 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Hollywood Lakes,
                FL Broward Co. United States  | 
            
                W Lake Dr. / W Lake Loop (north) (26.02281, -80.12807)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                2 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Tom's Creek,
                VA Montgomery Co. United States  | 
            
                Honeysuckle Dr. (37.24423, -80.44050)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 15 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Vinton,
                VA Roanoke Co. United States  | 
            
                Sassafras Circle (37.29476, -79.85578)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Staunton,
                VA Staunton City United States  | 
            
                SR 1426 / (unknown) (38.13265, -79.03823)  | 
            
                Unknown Existing  | 
            
                Unknown Unknown  | 
            
                2 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Aldie,
                VA Loudoun Co. United States  | 
            
                Grassland Grove Dr. / Bergamot Way / Ellenvale Farm Dr. (38.91077, -77.58417)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Year Completed estimated (2018-2019). | 
| 
                Aldie,
                VA Loudoun Co. United States  | 
            
                Grasslane Grove Dr. / Tulip Poplar Pl. (38.90950, -77.57771)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | Year Completed estimated (2016-2017). | 
| 
                Aldie,
                VA Loudoun Co. United States  | 
            
                Grassland Grove Dr. / Lotus Pond Pl. (38.92243, -77.59770)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | Year Completed estimated (2019-2020). | 
| 
                Aldie,
                VA Loudoun Co. United States  | 
            
                SR 620-SR 705 / SR 620 / SR 705 (38.92485, -77.58016)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | Year Completed estimated (2019-2020). | 
| 
                Aldie,
                VA Loudoun Co. United States  | 
            
                Lenah Crossing Dr. / Tarragon Leaf Dr. (38.92498, -77.57434)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.2920  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | Year Completed estimated (2018-2019). | 
| 
                Fredericksburg,
                VA Fredericksburg City United States  | 
            
                Carl D Silver Pkwy. / Haymarket St. (38.31672, -77.50959)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2019 | Left-turn-only and shared left-through lanes (double left turn) on east leg. Right-turn-only lane on south leg. Year Completed estimated (2017-2021). | 
| 
                Spotsylvania,
                VA Spotsylvania Co. United States  | 
            
                Fawn Lake Pkwy. / Vanderbilt Cove (38.26358, -77.72986)  | 
            
                Other Existing  | 
            
                Uncontrolled Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Frederick,
                MD Frederick Co. United States  | 
            
                Greenleese Circle (39.44847, -77.37242)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                2 Approaches 1 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Frederick,
                MD Frederick Co. United States  | 
            
                Synergy Way / Progress Dr. (39.43796, -77.36660)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0520  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | |
| 
                Frederick,
                MD Frederick Co. United States  | 
            
                Synergy Way (39.43898, -77.36665)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Year Completed estimated (2009-2011). | 
| 
                Middletown,
                MD Frederick Co. United States  | 
            
                Smithfield Dr. / Layla Dr. / Hoffman Dr. (39.44814, -77.52097)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Linglestown,
                PA Dauphin Co. United States  | 
            
                Buckley Dr. / Bradford Blvd. (40.32760, -76.75391)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Harrisburg,
                PA Dauphin Co. United States  | 
            
                Baumgardner Dr. / Hanoverdale Dr. / Brynfield Way / Quiggly Cir. (40.32675, -76.71677)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Bel Air,
                MD Harford Co. United States  | 
            
                Old Joppa Ct. / Hoskins Terrace (39.51380, -76.37506)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 32.0040  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | Year Completed estimated (2014-2017). | 
| 
                Pikesville,
                MD Baltimore Co. United States  | 
            
                Travertine Dr. (39.38721, -76.68990)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            Parking along circulatory roadway; pedestrian access to central island. | |
| 
                Owings Mills,
                MD Baltimore Co. United States  | 
            
                Painters Mill Rd. / Lyons Mill Rd. (39.39425, -76.78747)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Konterra,
                MD Prince George's Co. United States  | 
            
                Belle Chasse Blvd. / Belle Chasse Blvd. (southeast) (39.07714, -76.87923)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Konterra,
                MD Prince George's Co. United States  | 
            
                Belle Chasse Blvd. / Belle Chasse Blvd. (southwest) (39.07731, -76.88037)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Konterra,
                MD Prince George's Co. United States  | 
            
                Belle Chasse Blvd. / Belle Chasse Blvd. (north) (39.07820, -76.87960)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Konterra,
                MD Prince George's Co. United States  | 
            
                Belle Chasse Blvd. / (parking) (west) (39.07512, -76.88073)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Konterra,
                MD Prince George's Co. United States  | 
            
                Belle Chasse Blvd. / (parking) (east) (39.07499, -76.87964)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Konterra,
                MD Prince George's Co. United States  | 
            
                Belle Chasse Blvd. / Belle Chasse Blvd. (south) (39.07274, -76.88060)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Laurel,
                MD Prince George's Co. United States  | 
            
                W Side Blvd. / (parking) (39.08512, -76.89003)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Calverton,
                MD Prince George's Co. United States  | 
            
                Bay Hill Dr. / Innisbrook Dr. (39.06579, -76.92532)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                South Park Township,
                PA Allegheny Co. United States  | 
            
                Corrigan Dr. / E Park Dr. (40.31949, -80.00836)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            Pedestrian access to central island. | |
| 
                Lower Allen,
                PA Cumberland Co. United States  | 
            
                Tisbury Circle (40.22128, -76.87520)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Washington,
                PA Washington Co. United States  | 
            
                Landings Dr. / Helen Dr. (40.20240, -80.20615)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2014 | Painted splitter islands. Painted out outside portion of circulatory roadway. Year Completed estimated (2014-2015). | 
| 
                Bel Air,
                MD Harford Co. United States  | 
            
                English Manor Ln. / Squire Ln. / Canterbury Rd. (39.52643, -76.36371)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Hampton,
                VA Hampton City United States  | 
            
                Langley Blvd. / E Durant St. / Lindbergh Way (37.08956, -76.37895)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 48.7680  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2016 | Fishhook arrows on approach and within circulatory roadway. Year Completed estimated (2014-2016). | 
| 
                Williamsburg,
                VA Williamsburg City United States  | 
            
                Northridge St. / Green Hill St. (37.25266, -76.67321)  | 
            
                Unknown Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Williamsburg,
                VA Williamsburg City United States  | 
            
                Battery Blvd. / Green Hill St. (37.25081, -76.67254)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            Parking along circulatory roadway; pedestrian access to central island. | |
| 
                Toano,
                VA James City Co. United States  | 
            
                Weathers Blvd. / Kenton Ct. (37.40490, -76.80636)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Aberdeen,
                MD Harford Co. United States  | 
            
                Heathland Trl. / Spindrift Rd. / Bentgrass Dr. (39.49427, -76.20490)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                College Park,
                MD Prince George's Co. United States  | 
            
                Stadium Dr. / Alumni Dr. (38.99151, -76.94948)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                College Park,
                MD Prince George's Co. United States  | 
            
                Fieldhouse Dr. / Presidential Dr. (38.98872, -76.95237)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                2 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Greenbelt,
                MD Prince George's Co. United States  | 
            
                Golden Triangle Dr. / (parking) (38.99762, -76.89644)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Cascade,
                ID Valley Co. United States  | 
            
                Discovery Dr. / Village Dr. / Arling Center Ct. / (parking) (44.66944, -116.12408)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Racetrack shaped. ICD = 150 ft x 120 ft. | 
| 
                Kyiv,
                Kyiv City Kyiv Ukraine  | 
            
                prospekt Lesia Kurbasa / vulytsia Hnata Yury (50.42935, 30.38514)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            ||
| 
                Yemilchynska selyshchna hromada,
                Zhytomyr Novohrad-Volynskyi Raion Ukraine  | 
            
                vulytsia Soborna / vulytsia Myra / vulytsia Vorovs'koho (50.87164, 27.80199)  | 
            
                Unknown Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Lewes,
                DE Sussex Co. United States  | 
            
                N Village Main Blvd. / E Chesapeake St. (38.75335, -75.17058)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            Pedestrian access to central island; parking along circulatory roadway. | |
| 
                Rehoboth Beach,
                DE Sussex Co. United States  | 
            
                Liverpool Ln. / Oxford Ct. / Limerick Dr. / Worcester Dr. (38.72326, -75.09795)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Year Completed estimated (2005-2006). | 
| 
                Bridgeville,
                DE Sussex Co. United States  | 
            
                Heritage Shores Cir. / White Pelican Ct. / Will's Island Dr. (38.71647, -75.60235)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. |