| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Litchfield Park,
                AZ Maricopa Co. United States  | 
            
                Wigwam Creek Blvd. / Windsor Blvd. (33.51009, -112.32786)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 15.9331  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Phoenix,
                AZ Maricopa Co. United States  | 
            
                23rd Ave. / W. Osborn Rd. (33.48775, -112.10840)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 15.9372  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Small roundabout. ICD estimated from Google Maps linework. | 
| 
                Olean,
                NY Cattaraugus Co. United States  | 
            
                N Union St. / Sullivan St. (42.08150, -78.42991)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 15.9556  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Gothenburg,
                Vastra Gotaland County Gothenburg Sweden  | 
            
                Arendals allé / Terminalvägen (57.69766, 11.80997)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 15.9558  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Newberg,
                OR Yamhill Co. United States  | 
            
                Crestview Dr. / Robin Ct. (45.31417, -122.93598)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 15.9576  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                West Palm Beach,
                FL Palm Beach Co. United States  | 
            
                44th St. / N Terrace Dr. (26.75239, -80.06297)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 15.9973  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Helsingborg,
                Skane County Helsingborg Sweden  | 
            
                Christer Boijes väg / Romares väg (56.07140, 12.69345)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 15.9990  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Stockton,
                CA San Joaquin Co. United States  | 
            
                Tiamo Way / Hayden Brook Dr. (37.99749, -121.27590)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Lethbridge,
                AB Alberta Canada  | 
            
                7 Ave. S / 14 St. S (49.68949, -112.82257)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Painted splitter islands. Signs in central island that would require contraflow left-turn movements for large vehicles. | 
| 
                Calgary,
                AB Alberta Canada  | 
            
                Royal Ave. SW / Hope St. SW (51.03518, -114.07778)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 16.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Concord,
                CA Contra Costa Co. United States  | 
            
                Landana Dr. / Mulberry Dr. (37.97886, -121.99430)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 16.0041  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Richmond,
                Victoria Australia  | 
            
                Somerset St. / Gardmer St. (-37.81602, 145.00584)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 16.0395  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Kew,
                Victoria Australia  | 
            
                Stawell St. / Studley Ave. (-37.80491, 145.02454)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 16.0419  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Fitzroy North,
                Victoria Australia  | 
            
                Scotchmer St. / Brunswick St. (-37.78306, 144.98143)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 16.0467  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Landskrona,
                Skane County Landskrona Sweden  | 
            
                Strandvägen / Svaneholmsgatan / Erikstorpsvägen / Övre Gatan (55.89130, 12.80939)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 16.0737  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Pleasanton,
                CA Alameda Co. United States  | 
            
                Mill Creek Pl. / Oak Vista Way (37.65794, -121.89347)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled None  | 
            
                3 Approaches 1 Driveways 16.0738  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Year Completed estimated (1993-2002). ICD estimated from Google Maps linework. | 
| 
                Weston,
                FL Broward Co. United States  | 
            
                Saddle Club Rd. / Lakeview Dr. (26.11678, -80.38440)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.0858  | 
            
                Other (At-Grade) Single-Lane  |   
            2014 | ICD estimated from Google Maps linework. | 
| 
                Riviera,
                FL Miami-Dade Co. United States  | 
            
                Blue Dr. / San Amaro Dr. (25.72665, -80.28103)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 16.1391  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | Year Completed estimated (2009-2010). ICD estimated from Google Maps linework. | 
| 
                Milwaukee,
                WI Milwaukee Co. United States  | 
            
                E Hampshire Ave. / N Bartlett Ave. (43.07567, -87.88907)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 16.1541  | 
            
                Other (At-Grade) Single-Lane  |   
            Installed before April 2005. | |
| 
                Milwaukee,
                WI Milwaukee Co. United States  | 
            
                W Locust St. / N 21st St. (43.07156, -87.96447)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                4 Approaches 0 Driveways 16.1541  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | N 21st St. is one-way northbound. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 76th St. / Marty St. (38.99144, -94.67002)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.1541  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 80th St. / Newton St. (38.98399, -94.67472)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.1541  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming measures constructed on 80th Street. Year Completed estimated (2008-2010). | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 80th St. / Hemlock St. (38.98399, -94.68171)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.1541  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming measures constructed on 80th Street. Year Completed estimated (2008-2010). | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                Oakmont St. / W 154th Terrace (38.84835, -94.72889)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.1541  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2020 | Developer built as part of an approved plan south of this location that required traffic calming measures. | 
| 
                Seattle,
                WA King Co. United States  | 
            
                NW 75th St. / 30th Ave. NW (47.68305, -122.39575)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled None  | 
            
                4 Approaches 0 Driveways 16.1541  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Midtown,
                MO Greene Co. United States  | 
            
                Commercial St. / Washington Ave. (37.23001, -93.28546)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.1660  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2016 | Year Completed estimated (2015-2017). ICD estimated from Google Maps linework. | 
| 
                Newport News,
                VA United States  | 
            
                Thomas Wolfe St. / Phillip Roth St. (37.08515, -76.48840)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.1970  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Saint-Herblain,
                Loire Region Loire-Atlantique France  | 
            
                Avenue de la Passagère / (unknown) (47.24009, -1.59323)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 16.2173  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ICD estimated from Google Maps linework. | |
| 
                Saint-Herblain,
                Loire Region Loire-Atlantique France  | 
            
                Avenue de la Passagère / Avenue de Langeais (47.23910, -1.59365)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 16.2176  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ICD estimated from Google Maps linework. | |
| 
                Saint-Herblain,
                Loire Region Loire-Atlantique France  | 
            
                Boulevard du Val de Chézine / Rue Eugene Sue (47.23356, -1.59778)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 16.2193  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Saint-Herblain,
                Loire Region Loire-Atlantique France  | 
            
                Boulevard du Val de Chézine / Rue Eugene Sue (47.23341, -1.59638)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 16.2193  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Summerland,
                BC Okanagan-Similkameen Canada  | 
            
                Prairie Valley Rd. / Rosedale Ave. / Wharton St. (49.60060, -119.67782)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.2552  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Málaga,
                Andalusia Málaga Spain  | 
            
                Calle Demóstenes / Calle Aristofanes (36.71888, -4.48219)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 16.2749  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Maplewood,
                NJ Essex Co. United States  | 
            
                Midland Blvd. / Norfolk Ave. (40.73111, -74.25972)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 16.2907  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Perry Township,
                OH Stark Co. United States  | 
            
                Fohl St. SW / Shepler Church Ave. SW (40.73047, -81.45699)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.2908  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Swindon,
                England Wilts United Kingdom  | 
            
                A419 / M4 Ramps (51.52687, -1.72476)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal Unknown  | 
            
                4 Approaches 0 Driveways 16.3471  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            ICD estimated from Google Maps linework. | |
| 
                Bro,
                Stockholm County Upplands-Bro Sweden  | 
            
                Enköpingsvägen / Råbyvägen (59.51597, 17.63148)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 16.3588  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Grays,
                England Essex United Kingdom  | 
            
                (unknown) / (parking lot) (51.49036, 0.28088)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 16.3602  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Lidingö,
                Stockholm County Lidingö Sweden  | 
            
                Friluftsvägen / (unknown) (59.38048, 18.11637)  | 
            
                Traffic Calming Circle Existing  | 
            
                Other Unknown  | 
            
                2 Approaches 2 Driveways 16.4244  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Upper Allen Township,
                PA Cumberland Co. United States  | 
            
                W Lisburn Rd. / Grantham Rd. (40.16298, -76.99018)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 1 Driveways 16.4290  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | https://www.abc27.com/news/top-video/new-traffic-circle-opens-in-upper-allen_20181003215307/1495637846 ICD estimated from Google Maps linework. | 
| 
                Hässelby,
                Stockholm County Stockholm Sweden  | 
            
                Maltesholmsvägen / Aprikosgatan (59.36084, 17.83331)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 16.4340  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Sundbyberg,
                Stockholm County Sundbyberg Sweden  | 
            
                Landsvägen / Ekensbergsvägen (59.35977, 17.97270)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 16.4345  | 
            
                Other (At-Grade) Single-Lane  |   
            Tram through central island. ICD estimated from Google Maps linework. | |
| 
                Strängnäs,
                Sodermanland County Strängnäs Sweden  | 
            
                Fårhusvägen / Traditionsgatan / Dammvägen / Läringsvägen (59.35901, 17.03017)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 16.4348  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Wake Forest,
                NC Wake Co. United States  | 
            
                Dansforeshire Way / Song Sparrow Dr. (35.93247, -78.51758)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.4400  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Small raised central island. ICD estimated from Google Maps linework. | 
| 
                Carrboro,
                NC Orange Co. United States  | 
            
                Hanna St. / Viburnum Way (35.92288, -79.07663)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                2 Approaches 1 Driveways 16.4420  | 
            
                Other (At-Grade) Single-Lane  |   
            Painted splitter islands. ICD = 85 ft. ICD estimated from Google Maps linework. | |
| 
                Raleigh,
                NC Wake Co. United States  | 
            
                Weathergreen Dr. (35.88946, -78.63189)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled Unknown  | 
            
                2 Approaches 5 Driveways 16.4489  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Stanley Bridge,
                PE Queens Canada  | 
            
                PE-6 / St Marys Rd. / Cavendish Rd. / Rattenbury Rd. (46.46131, -63.45422)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 16.4541  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 80th St. / Grandview St. (38.98399, -94.69105)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 16.4589  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | This was part of a larger neighborhood street reconstruction project on 80th Street. Year Completed estimated (2006-2007). | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 78th St. / Newton St. (38.98766, -94.67470)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.4589  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. Year Completed is approximate. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 77th St. / Robinson St. (38.98947, -94.67590)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.4589  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. Year Completed estimated (2004-2005). | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 78th St. / Marty St. (38.98766, -94.67005)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.4589  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 77th St. / Santa Fe Dr. (38.98947, -94.67123)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.4589  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 76th St. / Foster St. (38.99142, -94.67239)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.4589  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 78th St. / Foster St. (38.98765, -94.67240)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.4589  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. | 
| 
                Milwaukee,
                WI Milwaukee Co. United States  | 
            
                E Kenwood Dr. / N Bartlett Ave. (43.07467, -87.88911)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled None  | 
            
                4 Approaches 0 Driveways 16.4589  | 
            
                Other (At-Grade) Single-Lane  |   
            Installed before April 2005. | |
| 
                Milwaukee,
                WI Milwaukee Co. United States  | 
            
                E Hartford Ave. / N Bartlett Ave. (43.07765, -87.88901)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled None  | 
            
                4 Approaches 0 Driveways 16.4589  | 
            
                Other (At-Grade) Single-Lane  |   
            Installed before March 2000. | |
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                Evergreen Ave. / 9th St. (40.03106, -105.28560)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 16.4609  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                Balsam Ave. / 14th St. (40.02675, -105.27840)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.4619  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                Pine St. / 15th St. (40.02072, -105.27670)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 16.4634  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                Pearl St. / Mid-Block (40.01501, -105.29390)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                2 Approaches 0 Driveways 16.4647  | 
            
                Other (At-Grade) Single-Lane  |   
            Facilitates U-turns at west end of Pearl Street ICD estimated from Google Maps linework. | |
| 
                Knightdale,
                NC Wake Co. United States  | 
            
                Widewater Blvd. / Village Park Dr. (35.79402, -78.50642)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.4687  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Constructed using concrete. (Updated in 2007?) Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Tallahassee,
                FL Leon Co. United States  | 
            
                Sutor Road / Old Sutor Road (30.42957, -84.21212)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 16.4770  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Apex,
                NC Wake Co. United States  | 
            
                Danvers Loop / Amley Pl. (35.75099, -78.84270)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 16.4777  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | No splitter islands. ICD = 80 ft. ICD estimated from Google Maps linework. | 
| 
                Tyresö,
                Stockholm County Tyresö Sweden  | 
            
                Nytorpsvägen / (unknown) (59.23045, 18.33392)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 16.4971  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Wasilla,
                AK Matanuska-Susitna United States  | 
            
                Big Lake Rd. / W North Shore Dr. (61.55232, -149.81920)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.4988  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Santa Fe,
                NM Santa Fe Co. United States  | 
            
                Plaza Central / Contenta Ridge (35.62395, -106.06359)  | 
            
                Other Existing  | 
            
                All-Way Stop None  | 
            
                4 Approaches 0 Driveways 16.5039  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Terre Haute,
                IN Vigo Co. United States  | 
            
                E Haythorne Ave. / N Fruitridge Ave. (39.52062, -87.36024)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.5834  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Fayetteville,
                NC Cumberland Co. United States  | 
            
                Cape Center Dr. / Walter Reed Rd. (35.03660, -78.93810)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.6243  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2015 | Painted splitter islands. ICD estimated from Google Maps linework. | 
| 
                Baltimore,
                MD Baltimore City Co. United States  | 
            
                Canterbury Rd. / W 39th St. (39.33569, -76.62047)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.6275  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Vikurvegur / Fossaleynir (64.14600, -21.77369)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 16.6663  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Milford,
                OH Clermont Co. United States  | 
            
                Chamber Dr. / Beechwood Rd. (39.15816, -84.27320)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 16.6696  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2016 | Painted splitter islands. ICD estimated from Google Maps linework. | 
| 
                Cincinnati,
                OH Hamilton Co. United States  | 
            
                Roebling Way / Theodore M Berry Way / Walnut St. (39.09641, -84.51076)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 16.6842  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Stevensville,
                MD Queen Annes Co. United States  | 
            
                Thompson Creek Rd. / US 50 EB Ramps (38.97599, -76.31046)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 16.7127  | 
            
                Freeway Ramps (Grade-Separated) Single-lane w/ Traversable Central Island  |   
            2007 | Mini-roundabout. ICD estimated from Google Maps linework. | 
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                W. Harvard Rd. / Goldfield St. / Goldfield Ct. (38.96597, -95.29628)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 16.7150  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Built as part of Harvard Road Traffic Calming plan. A Temporary traffic circle with all way Yield control was installed prior to permanent construction. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                E. 19th St. / Barker Ave. (38.95003, -95.23283)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 16.7188  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Columbia,
                MO Boone Co. United States  | 
            
                Grant Ln. / Trailside Dr. / Post Oak Dr. (38.92438, -92.39510)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 16.7249  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            1995 | Year Completed estimated (1994-1995). ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                NE 37th Ave. / Morris St. / Wisteria St. (45.54467, -122.62500)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 16.7290  | 
            
                Other (At-Grade) Single-Lane  |   
            1986 | Completed 12/23/1986. ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Collegiate Dr. / Michael Dr. (38.89928, -104.78230)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.7308  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Lake Ave. / Berthie Cir. (38.79348, -104.83950)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.7557  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | Year Completed unknown (before 1999). ICD estimated from Google Maps linework. | 
| 
                Ballard,
                WA King Co. United States  | 
            
                NW 77th St. / 16th Ave. NW (47.68506, -122.37788)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 16.7637  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Milwaukee,
                WI Milwaukee Co. United States  | 
            
                E Hartford Ave. / N Newhall St. (43.07766, -87.89023)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled None  | 
            
                4 Approaches 0 Driveways 16.7637  | 
            
                Other (At-Grade) Single-Lane  |   
            Installed before March 2000, exact date unknown | |
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 76th St. / Newton St. (38.99142, -94.67472)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.7637  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. Year Completed estimated (2001-2003). | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Turquoise St. / Lapis Pl. (40.39765, -105.03948)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2020 | |
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Emerald St. / Lapis Pl. (40.39611, -105.03932)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2020 | |
| 
                Flagami,
                FL Miami-Dade Co. United States  | 
            
                NW 2nd St. / NW 58th Ave. (25.77257, -80.29000)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | |
| 
                Flagami,
                FL Miami-Dade Co. United States  | 
            
                SW 4th St. / SW 68th Ave. (25.76675, -80.30603)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | |
| 
                Miami,
                FL Miami-Dade Co. United States  | 
            
                SW 14th St. / SW 31st Ave. (25.75943, -80.24478)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | One-stage pedestrian crossings. Year Completed estimated (2007-2009). | 
| 
                Miami,
                FL Miami-Dade Co. United States  | 
            
                SW 19th St. / SW 29th Ave. (25.75401, -80.24043)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Year Completed estimated (2007-2009). | 
| 
                Ballard,
                WA King Co. United States  | 
            
                NW 77th St. / Mary Ave. NW (47.68508, -122.37547)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Crown Hill,
                WA King Co. United States  | 
            
                NW 7tth St. / 19th Ave. NW (47.68504, -122.38110)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Ballard,
                WA King Co. United States  | 
            
                NW 77th St. / 18th Ave. NW (47.68505, -122.38004)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Greenwood,
                WA King Co. United States  | 
            
                N 83rd St. / Dayton Ave. N (47.68913, -122.35260)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Greenwood,
                WA King Co. United States  | 
            
                Fremont Ave. N / N 83rd St. (47.68912, -122.34992)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop Unknown  | 
            
                4 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Greenwood,
                WA King Co. United States  | 
            
                Fremont Ave. N / N 82nd St. (47.68839, -122.34992)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop Unknown  | 
            
                4 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Greenwood,
                WA King Co. United States  | 
            
                N 82nd St. / Dayton Ave. N (47.68840, -122.35261)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Crown Hill,
                WA King Co. United States  | 
            
                1st Ave. NW / NW 82nd St. (47.68839, -122.35799)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop Unknown  | 
            
                4 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Greenwood,
                WA King Co. United States  | 
            
                NW 82nd St. / 6th Ave. NW (47.68839, -122.36333)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Crown Hill,
                WA King Co. United States  | 
            
                NW 81st St. / 6th Ave. NW (47.68766, -122.36334)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Crown Hill,
                WA King Co. United States  | 
            
                1st Ave. NW / NW 81st St. (47.68767, -122.35797)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop Unknown  | 
            
                4 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Wilmington,
                NC New Hanover Co. United States  | 
            
                Kornegay Ave. / McClammy St. (34.25321, -77.91018)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.7640  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2003 |