| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                New Car Dr. / Test Dr. (38.93844, -104.73440)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 43.6618  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | Serves retail shopping center. ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                New Car Dr. / parking lot (38.93777, -104.73750)  | 
            
                Other Existing  | 
            
                Unknown None  | 
            
                2 Approaches 0 Driveways 43.6622  | 
            
                Other (At-Grade) Single-Lane  |   
            Serves retail shopping center. 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  | 
            
                Kettle Drum St. / Antelope Ridge Dr. (38.90673, -104.68530)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.6699  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Cedar Creek View / (parking lot) (38.85572, -104.72340)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.1815  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                New York,
                NY Manhattan Co. United States  | 
            
                Columbus Circle (7th Ave. / Broadway / Central Park West / Central Park South) (40.76808, -73.98187)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal None  | 
            
                5 Approaches 0 Driveways 123.0168  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            1905 | ICD estimated from Google Maps linework. | 
| 
                Hagerstown,
                MD Washington Co. United States  | 
            
                Virginia Ave. / Memorial Blvd. / Prospect St. / Key St. (39.63728, -77.72873)  | 
            
                Other Existing  | 
            
                Other None  | 
            
                0 Approaches 0 Driveways 36.7900  | 
            
                Other (At-Grade) Unknown  |   
            ICD estimated from Google Maps linework. | |
| 
                Hagerstown,
                MD Washington Co. United States  | 
            
                E. Irvin Ave. / Mealey Pkwy. (39.65536, -77.70186)  | 
            
                Other Existing  | 
            
                All-Way Stop None  | 
            
                0 Approaches 0 Driveways 37.6999  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Hagerstown,
                MD Washington Co. United States  | 
            
                E. Irvin Ave. / View St. / Valleybrook Dr. (39.65536, -77.70058)  | 
            
                Other Existing  | 
            
                All-Way Stop None  | 
            
                0 Approaches 0 Driveways 31.2633  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Hagerstown,
                MD Washington Co. United States  | 
            
                E. Magnolia Ave. / Mealey Pkwy. (39.65762, -77.70140)  | 
            
                Other Existing  | 
            
                All-Way Stop None  | 
            
                0 Approaches 0 Driveways 32.1818  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Hagerstown,
                MD Washington Co. United States  | 
            
                E. Magnolia Ave. / E. Irvin Ave. (39.65722, -77.69958)  | 
            
                Other Existing  | 
            
                All-Way Stop None  | 
            
                0 Approaches 0 Driveways 27.5846  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                (unincorporated),
                MA Barnstable Co. United States  | 
            
                Rte 6A / Rte 28 (gateway to Cape Cod) (41.74313, -70.58651)  | 
            
                Rotary Existing  | 
            
                All-Way Yield None  | 
            
                0 Approaches 0 Driveways 118.8720  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Gaithersburg,
                MD Montgomery Co. United States  | 
            
                Kentlands Blvd. / Main St. (39.12333, -77.23855)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            1994 | Year Completed estimated (1993-2002). | 
| 
                Gaithersburg,
                MD Montgomery Co. United States  | 
            
                Kentlands Blvd. / Market St. (39.12309, -77.23489)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            1994 | Year Completed estimated (1993-2002). | 
| 
                Gaithersburg,
                MD Montgomery Co. United States  | 
            
                Orchard Ridge Dr. / Mill Green Ave. (39.12559, -77.22635)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 37.9872  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Gaithersburg,
                MD Montgomery Co. United States  | 
            
                Winter Walk Dr. / Highland Ridge Ave. (39.12807, -77.22692)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.2800  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | Year Completed estimated (1993-2002). Was cul-de-sac prior to addition of two more legs. ICD estimated from Google Maps linework. | 
| 
                Washington,
                DC N/A Co. United States  | 
            
                New York Ave. / Montana Ave. / West Virginia Ave. (38.91723, -76.97813)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal None  | 
            
                0 Approaches 0 Driveways 65.9769  | 
            
                Other (At-Grade) Unknown  |   
            ICD estimated from Google Maps linework. | |
| 
                Washington,
                DC N/A Co. United States  | 
            
                Pennsylvania Ave. / Potomac Ave. (38.88034, -76.98549)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal None  | 
            
                0 Approaches 0 Driveways 81.8167  | 
            
                Other (At-Grade) Unknown  |   
            ICD estimated from Google Maps linework. | |
| 
                Jensen Beach,
                FL Martin Co. United States  | 
            
                SR 707 / Pineapple Dr. / Jensen Beach Causeway (27.25074, -80.22818)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.7914  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | RT only lanes entering roundabout on two approaches. ICD estimated from Google Maps linework. | 
| 
                Brighton,
                MI Livingston Co. United States  | 
            
                Village Place Blvd. / Green Oak Dr. / Fieldcrest Dr. (42.50573, -83.75296)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2006 | |
| 
                Brighton,
                MI Livingston Co. United States  | 
            
                Village Place Blvd. / Green Oak Ave. (42.50698, -83.75462)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | ICD estimated from Google Earth. | 
| 
                Ancaster,
                ON Hamilton Canada  | 
            
                Wilson St. / Meadowbrook Dr. / Hamilton Dr. (43.20797, -80.00224)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.6911  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Markham,
                ON York Region Canada  | 
            
                Prospectors Dr. / Angus Glen Blvd. (43.89075, -79.31981)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.2641  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Markham,
                ON York Region Canada  | 
            
                Prospectors Dr. / The Fairways (43.89400, -79.32079)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.0985  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Greensboro,
                NC Guilford Co. United States  | 
            
                Greene St. / McGee St. (36.06852, -79.79192)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 21.2386  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | This is part of a major transformation of Greene Street in Downtown Greensboro. Greene Street is currently 4 lanes one-way and will be converted to 2-way traffic with one lane in each direction and angled parking in the middle of the street separated by a median. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                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. | |
| 
                New Orleans,
                LA Orleans Par. United States  | 
            
                Lee Circle (St. Charles Ave. / Andrew Higgins Dr.) (29.94333, -90.07247)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Other None  | 
            
                4 Approaches 0 Driveways 99.3513  | 
            
                Other (At-Grade) Unknown  |   
            Two tram lines run along the circulatory roadway. Some entry-circulating points are fully signalized; others are yield-controlled. ICD estimated from Google Maps linework. | |
| 
                Metairie Terrace,
                LA Jefferson Par. United States  | 
            
                Causeway Blvd. (LA 3046) / US 61 (Airline Hwy.) (29.97476, -90.15636)  | 
            
                Rotary Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 107.5965  | 
            
                Other (At-Grade) Unknown  |   
            Single-point interchange using one circle. Entire circle is on causeway structure over railroad yards. ICD estimated from Google Maps linework. | |
| 
                Pittsfield Township,
                MI Washtenaw Co. United States  | 
            
                Campus Pkwy. / Suncrest Dr. / (parking) (42.18764, -83.74729)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | |
| 
                Pittsfield Township,
                MI Washtenaw Co. United States  | 
            
                Campus Pkwy. / Community Dr. (42.18982, -83.74387)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | |
| 
                Meridian Township,
                MI Ingham Co. United States  | 
            
                Hulett Rd. / Bennett Rd. (42.69739, -84.44709)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.9884  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Jessup,
                MD Anne Arundel Co. United States  | 
            
                MD 198 (Laurel Fort Meade Rd.) / MD 32 EB Ramps (39.08997, -76.75736)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 53.3400  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2002 | Lanes reduced in 2010. 21442 | 
| 
                Jackson,
                MI Jackson Co. United States  | 
            
                4th St. / West Ave. (42.22067, -84.41847)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.3790  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | Between 1999 and 2005. ICD estimated from Google Maps linework. | 
| 
                Orion Township,
                MI Oakland Co. United States  | 
            
                Baldwin Rd. / Indianwood Rd. / Coats Rd. (42.78413, -83.31979)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 49.0862  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Jessup,
                MD Anne Arundel Co. United States  | 
            
                MD 198 (Laurel Fort Meade Rd.) / MD 32 WB Ramps (39.09178, -76.75688)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 53.3400  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2002 | Lanes reduced in 2010. 21442 | 
| 
                Port St. Lucie,
                FL St. Lucie Co. United States  | 
            
                SE Westmorelane Blvd. / Gowan Dr. (27.25913, -80.29256)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 26.5423  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Port St. Lucie,
                FL St. Lucie Co. United States  | 
            
                SE Westmorelane Blvd. / Bakersfield St. (27.25836, -80.28521)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.7276  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Muskegon Township,
                MI Muskegon Co. United States  | 
            
                Chesapeake Dr. / Walker Rd. (43.23787, -86.17437)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 37.4138  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| 
                Southlake,
                TX Tarrant Co. United States  | 
            
                E. Continental Blvd. / S. Carroll Ave. (32.92622, -97.12830)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Elementary school and city park located on NW corner. Asphalt construction. | 
| 
                Santa Fe,
                NM Santa Fe Co. United States  | 
            
                Botulph Rd. / Arroyo Chamiso Rd. / Miguel Chavez Rd. (35.64938, -105.94790)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.1153  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Urban Compact, Southeast Santa Fe neighborhood Functional Class: Minor Collector ICD estimated from Google Maps linework. | 
| 
                Santa Fe,
                NM Santa Fe Co. United States  | 
            
                Zafarano Dr. / San Ignatio Rd. (35.64579, -106.01394)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.9988  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Southwest Santa Fe near Lowes Building Supply. ICD estimated from Google Maps linework. | 
| 
                Santa Fe,
                NM Santa Fe Co. United States  | 
            
                Rufina St. / Zafarano Dr. (35.64938, -106.01476)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 32.0268  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Santa Fe,
                NM Santa Fe Co. United States  | 
            
                Governor Miles Rd. / (unnamed) (35.62729, -106.01980)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 26.2110  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | South Santa Fe East of Cerrillos Road Functional Class: Minor Collector ICD estimated from Google Maps linework. | 
| 
                Acoma Indian Reservation,
                NM McKinley Co. United States  | 
            
                SH 30 / I-40 EB Ramps (35.07341, -107.56120)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 65.4897  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2010 | Merging right-turn bypass lane on west leg. Series of 3 roundabouts. ICD estimated from Google Maps linework. | 
| 
                Central Oahu Regional Park,
                HI Oahu Co. United States  | 
            
                Ka Uka Blvd. / Waipio Uka St. (21.41762, -158.00730)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 41.1385  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Completed prior to 2006 Construction stage aerial in Google Earth. Functional Class: Park Road ICD estimated from Google Maps linework. | 
| 
                Salt Lake,
                HI Oahu Co. United States  | 
            
                Ala Napunani St. / Likini St. (21.34596, -157.90180)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 24.4727  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Existing prior to 2006, includes driveway as 4th leg. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Los Alamos,
                NM Los Alamos Co. United States  | 
            
                Diamond Dr. / San Ildefonso Rd. (35.89893, -106.29866)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.0241  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Redesign of existing traffic circle; previously controlled by 1 stop, 3 yields. Right-turn bypass lanes on west and east legs. Year Completed estimated (2006-2009). ICD estimated from Google Maps linework. | 
| 
                Pearl Harbor Naval Base (Ford Island),
                HI Oahu Co. United States  | 
            
                Ford Island Blvd. / Saratoga Blvd. (21.36689, -157.95610)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 52.2752  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Existing prior to 2005. Relocated in 2005/2006. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Glenwood Springs,
                CO Garfield Co. United States  | 
            
                Mel Ray Rd. / I-70 WB Ramps / US 6 (39.56142, -107.36127)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 44.1965  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Acoma Indian Reservation,
                NM McKinley Co. United States  | 
            
                Silver Dollar Rd. / Veterans Blvd. (35.07119, -107.56000)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 43.0093  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Near Hospital, low ADT, series of 3 roundabouts. ICD estimated from Google Maps linework. | 
| 
                Honolulu,
                HI Oahu Co. United States  | 
            
                Haloa Dr. / Ala Oli St. (21.36132, -157.92560)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 22.2456  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Constructed prior to 2006 in Foster Village subdivision. ICD estimated from Google Maps linework. | 
| 
                Glenwood Springs,
                CO Garfield Co. United States  | 
            
                Mel Ray Rd. / I-70 EB Ramps / Midland Ave. / Riverine Rd. (39.56019, -107.36139)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 46.9595  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2006 | 1 of 2 at Exit 114 on I-70, observed under construction in 2005. ICD estimated from Google Maps linework. | 
| 
                (unincorporated),
                MI Livingston Co. United States  | 
            
                Kensington Rd. / Jacoby Rd. (42.55436, -83.69828)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Year Completed estimated (2006-2010). | 
| 
                Bend,
                OR Deschutes Co. United States  | 
            
                NE 18th St. / Cooley Rd. (44.11047, -121.27940)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 44.5914  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Only two legs to open initially - full operation in 2008. ICD estimated from Google Maps linework. | 
| 
                Carmel,
                IN Hamilton Co. United States  | 
            
                W 96th St. / N Spring Mill Rd. (39.92713, -86.16510)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 54.8640  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2006 | |
| 
                Macomb,
                MI Macomb Co. United States  | 
            
                25 Mile Rd. / Hayes Rd. (42.70090, -82.97623)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.4973  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Bend,
                OR Deschutes Co. United States  | 
            
                SW Bond St. / Wilson St. (44.04616, -121.30970)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.4799  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2007 | Single-Lane except one separate right turn lane ICD estimated from Google Maps linework. | 
| 
                Beaverton,
                OR Washington Co. United States  | 
            
                SW Hart Rd. / Sorrento Rd. / Juniper Terr. (45.46680, -122.80880)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.1283  | 
            
                Other (At-Grade) Single-Lane  |   
            Functional Class: Collector. Pedestrian ramps into circulatory roadway. ICD estimated from Google Maps linework. | |
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                SE 32nd Ave. / SE Lincoln St. (45.50825, -122.63270)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 12.5549  | 
            
                Other (At-Grade) Single-Lane  |   
            1990 | Completed 4/25/1990. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                SE 31st Ave. / SE Clinton St. (45.50354, -122.63360)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 14.2301  | 
            
                Other (At-Grade) Single-Lane  |   
            1990 | Completed 6/22/1990. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                SE 23rd Ave. / SE Clinton St. (45.50339, -122.64260)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 31.8085  | 
            
                Other (At-Grade) Single-Lane  |   
            1990 | Completed 6/22/1990. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                SE 37th Ave. / SE Lincoln St. (45.50806, -122.62570)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 15.0659  | 
            
                Other (At-Grade) Single-Lane  |   
            1990 | Completed 4/25/1990. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                SE 43rd Ave. / SE Lincoln St. (45.50799, -122.61810)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 22.5989  | 
            
                Other (At-Grade) Single-Lane  |   
            1990 | Completed 4/23/1990. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                SE 51st Ave. / SE Lincoln St. (45.50803, -122.61000)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 15.0659  | 
            
                Other (At-Grade) Single-Lane  |   
            1990 | Completed 4/23/1990. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                SE 55th Ave. (N) / SE Lincoln St. (45.50806, -122.60650)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            1990 | Completed 5/14/1990. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                SE 55th Ave. (S) / SE Lincoln St. (45.50804, -122.60610)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            1990 | Completed 5/14/1990. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                SE 58th Ave. (S) / SE Lincoln St. (45.50805, -122.60380)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 104.6245  | 
            
                Other (At-Grade) Single-Lane  |   
            1990 | Completed 5/8/1990. ICD estimated from Google Maps linework. | 
| 
                Tumwater,
                WA Thurston Co. United States  | 
            
                Tumwater Blvd. / New Market St. (46.97971, -122.91320)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 49.7052  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Medford,
                OR Jackson Co. United States  | 
            
                Highland Dr. / Siskiyou Blvd. (42.32110, -122.84986)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Elliptical shaped. ICD = 140 ft x 125 ft. Fire station on south leg. | 
| 
                Yelm,
                WA Thurston Co. United States  | 
            
                SR 510 / Mud Run Rd. SE (46.96465, -122.63230)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.8630  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | October 2010. ICD estimated from Google Maps linework. | 
| 
                Mendon,
                NY Monroe Co. United States  | 
            
                NY 65 / NY 251 (42.99061, -77.57766)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.8180  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Hilliard,
                OH Franklin Co. United States  | 
            
                Britton Pkwy. / Hayden Run Rd. (40.06202, -83.13750)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 54.8640  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | ICD = 160 feet in one-lane section, 180 in two-lane section. | 
| 
                Hilliard,
                OH Franklin Co. United States  | 
            
                Britton Pkwy. / Riggins Rd. (40.06493, -83.13857)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 54.8637  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2006 | Converted from 2x2 roundabout to a 2x1 roundabout in 2020 by changing the EB and WB thru/right lanes to RT only lanes. | 
| 
                Eno,
                CO Adams Co. United States  | 
            
                Memphis St. / E. 105th Way (39.88830, -104.79660)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 23.8265  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Eno,
                CO Adams Co. United States  | 
            
                Memphis St. / E. 106th Pl. (39.88960, -104.79650)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 25.6588  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Eno,
                CO Adams Co. United States  | 
            
                Kittredge St. / E. 105th Ave. (39.88913, -104.80030)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 41.2377  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Eno,
                CO Adams Co. United States  | 
            
                Kittredge St. / E. 107th Ave. (39.89114, -104.80140)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.3237  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Bedford,
                VA Bedford Co. United States  | 
            
                London Park Dr. / Meade Rd. / Meadow Down Dr. (37.30592, -79.33699)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.4800  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | https://www.wdbj7.com/2020/07/28/meade-road-extension-to-be-completed-soon/ | 
| 
                Chesterfield Court House,
                VA Chesterfield Co. United States  | 
            
                Mimms Dr. / Government Center Pkwy. (37.37778, -77.50466)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 53.1481  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Right-turn-only lane on north leg. ICD estimated from Google Maps linework. | 
| 
                Hollymead,
                VA Albemarle Co. United States  | 
            
                Timberwood Blvd. / Conner Blvd. (38.13065, -78.44083)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.8813  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Hollymead,
                VA Albemarle Co. United States  | 
            
                Timberwood Blvd. / Grand Forks Blvd. (38.13111, -78.44283)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 93.9459  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Hollymead,
                VA Albemarle Co. United States  | 
            
                Powell Creek Dr. / Timberwood Pkwy. / Shady Brook Trl. (38.11509, -78.43404)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 25.3710  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Winchester,
                VA Frederick Co. United States  | 
            
                Airport Rd. / Victory Rd. (39.13417, -78.13571)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways 32.4242  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Year Completed estimated (2003-2005). ICD estimated from Google Maps linework. | 
| 
                Linton Hall,
                VA Prince William Co. United States  | 
            
                Tartan Hills Pkwy (VA 3254) / Broadsword Dr. (VA 3256) (38.74232, -77.58066)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.9462  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Amherst,
                VA Amherst Co. United States  | 
            
                US 60 / US 29 (37.58815, -79.04990)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.2314  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Constructed in 1936, upgraded in 1940 and again in 2004. ICD estimated from Google Maps linework. | 
| 
                Port St. Lucie,
                FL St. Lucie Co. United States  | 
            
                SE Westmoreland Blvd. / Morningside Blvd. (27.25997, -80.30961)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 49.8991  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Spokane,
                WA Spokane Co. United States  | 
            
                SR 206 (Mt. Spokane Park Dr.) / Bruce Rd. (47.78761, -117.30400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.3076  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | http://www.wsdot.wa.gov/Projects/SR206/BruceRoadRoundabout/. Opened December 2005. Previously controlled by 2-way stop control ICD estimated from Google Maps linework. | 
| 
                Spokane,
                WA Spokane Co. United States  | 
            
                Wellesley Ave. / A St. (47.70076, -117.45400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.7401  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Opened October 2005. ICD estimated from Google Maps linework. | 
| 
                Petaluma,
                CA Sonoma Co. United States  | 
            
                Casa Grande Rd. / Ely Blvd. (38.24348, -122.59580)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.8924  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | ICD estimated from Google Maps linework. | 
| 
                Phoenix,
                AZ Maricopa Co. United States  | 
            
                W Riverwood Blvd. / W Kirby Ave. (33.41608, -112.27480)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.9473  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Painted splitter islands. ICD estimated from Google Maps linework. | 
| 
                Cottonwood,
                AZ Yavapai Co. United States  | 
            
                AZ 89A / Avenida Centerville (34.75854, -112.05880)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 47.0983  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Clarkdale,
                AZ Yavapai Co. United States  | 
            
                AZ 89A / Cement Plant Rd. / Clarkdale Pkwy. (34.76220, -112.06416)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Series of 5 roundabouts. Yield-controlled right-turn bypass lane on east leg. Year Completed estimated (2007-2009). | 
| 
                Cottonwood,
                AZ Yavapai Co. United States  | 
            
                AZ 89A / Groseta Ranch Rd. (34.74706, -112.04510)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 46.1235  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Cottonwood,
                AZ Yavapai Co. United States  | 
            
                AZ 89A / Lisa St. / Lincoln Dr. (34.75449, -112.05400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.0444  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Mesa,
                AZ Maricopa Co. United States  | 
            
                Brown Rd. / Loop 202 SB Ramps (33.43689, -111.65280)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 42.8563  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Mesa,
                AZ Maricopa Co. United States  | 
            
                Brown Rd. / Loop 202 NB Ramps (33.43694, -111.64850)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 47.8396  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Sedona,
                AZ Coconino Co. United States  | 
            
                AZ 89A / AZ 179 (34.86597, -111.76370)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.1774  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Sedona,
                AZ Coconino Co. United States  | 
            
                AZ 89A / Brewer Rd. (34.86599, -111.76500)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 37.2376  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Clarkdale,
                AZ Yavapai Co. United States  | 
            
                Clarkdale Pkwy. / Mountain Gate Dr. (34.76500, -112.06276)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Year Completed estimated (2003-2006). | 
| 
                Marana,
                AZ Pima Co. United States  | 
            
                Main St. / Civic Center Dr. (32.44841, -111.21150)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.2674  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. |