| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Durango,
                CO La Plata Co. United States  | 
            
                Jenkins Ranch Rd. / Kennebec Dr. (37.29216, -107.84010)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 23.7539  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Salt Lake City,
                UT Salt Lake Co. United States  | 
            
                South Campus Dr. / Center Campus Dr. (40.75968, -111.84490)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield At-grade Rail Crossing Signals/Gates (controlling all approaches)  | 
            
                3 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Light rail runs through center of roundabout. Gates on both circulatory roadway and on east and west approaches. | 
| 
                Phoenix,
                AZ Maricopa Co. United States  | 
            
                South 20th Drive. / (none) (33.37556, -112.10290)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                2 Approaches 0 Driveways 16.9552  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Neighborhood traffic calming. ICD estimated from Google Maps linework. | 
| 
                Newton,
                KS Harvey Co. United States  | 
            
                Broadway St. / I-135 Ramps (38.05000, -97.32250)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.1441  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2003 | Single-point interchange. Near roundabout interchange at I-135/1st Street. Roundabout completed January 2002, ramps from I-135 to the roundabout reopened March 2002. Eliptical structure incorporating both NB and SB ramps. Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| 
                (unincorporated),
                OR Washington Co. United States  | 
            
                NW Verboort Rd. / Cornelius-Shefflin Rd. (45.55150, -123.06410)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 52.6900  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Reverse curves on approaches. Designed as multilane with striped-out inner circulating and entry/exit lanes. ICD estimated from Google Maps linework. | 
| 
                Charlotte,
                NC Mecklenburg Co. United States  | 
            
                Park Rd. / Brookside Ave. / Tremont Ave. (35.20321, -80.85256)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 17.5662  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | City- possible traffic calming location. ICD estimated from Google Maps linework. | 
| 
                Bellevue,
                WA King Co. United States  | 
            
                Landerholm Rd. / South Perimeter Cir. (47.58438, -122.14600)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.8343  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Opened July 2003. Entrance to Bellevue Community College. ICD estimated from Google Maps linework. | 
| 
                Kill Devil Hills,
                NC Dare Co. United States  | 
            
                Veterans Dr. / (high school) (36.00637, -75.66875)  | 
            
                Other Existing  | 
            
                Uncontrolled None  | 
            
                3 Approaches 0 Driveways 45.4086  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Built for new high school. ICD estimated from Google Maps linework. | 
| 
                Kill Devil Hills,
                NC Dare Co. United States  | 
            
                Veterans Dr. / 6th Ave. (36.00818, -75.66412)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Built for new high school. | 
| 
                Durham,
                NC Durham Co. United States  | 
            
                NC 751 / Old Erwin Rd. (36.00068, -78.96225)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 27.0543  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Spot safety project. Right-turn bypass lane. ICD estimated from Google Maps linework. | 
| 
                Durham,
                NC Durham Co. United States  | 
            
                Circuit Dr. / Research Dr. (36.00615, -78.94078)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 22.2216  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | New north-south road through Duke University campus. ICD estimated from Google Maps linework. | 
| 
                Bellingham,
                WA Whatcom Co. United States  | 
            
                Mitchell Way / Bellingham Airport Access Rd. (48.79757, -122.53080)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 31.4692  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Federal Way,
                WA King Co. United States  | 
            
                16th Ave. S / Todd Beamer High School entrance (47.27650, -122.31360)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 29.9813  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Opened September 2003. Access to high school. ICD estimated from Google Maps linework. | 
| 
                Concord,
                NC Mecklenburg Co. United States  | 
            
                Christenbury Rd. / Millstream Ridge Dr. (35.38115, -80.74506)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 27.2652  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Developer subdivision. ICD estimated from Google Maps linework. | 
| 
                Woodinville,
                WA King Co. United States  | 
            
                136th Ave. NE / Woodinville High School Entrance (47.77161, -122.15860)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 25.6862  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Opened October 2003. ICD estimated from Google Maps linework. | 
| 
                Grand Junction,
                CO Mesa Co. United States  | 
            
                Independent Ave. / Sams Club entrance (39.08170, -108.58310)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 33.3754  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Serves commercial development parking lot. ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Sculptor Dr. / Corvus Dr. (40.39647, -105.03130)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 37.2926  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Greeley,
                CO Weld Co. United States  | 
            
                W. 29th St. / 67th Ave. (40.38995, -104.78710)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 48.2121  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Winnipeg,
                MB Winnipeg Capital Region Canada  | 
            
                Shorehill Dr. / Bridgetown Dr. (49.82256, -97.07655)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.9854  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Mesquite,
                NV Clark Co. United States  | 
            
                Oasis Blvd. / Ivy Lee Crest (36.82714, -114.06800)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 64.0518  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Mesquite,
                NV Clark Co. United States  | 
            
                Oasis Blvd. / Canyon Crest Blvd. (36.83104, -114.07380)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 68.8283  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Commerce City,
                CO Adams Co. United States  | 
            
                E 105th Ave. / Uvalda St. (39.88673, -104.83520)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Year Completed estimated (2002-2003). | 
| 
                Commerce City,
                CO Adams Co. United States  | 
            
                Wheeling St. / E 106th Ave. / Victor St. (39.88895, -104.83121)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Painted splitter islands. | 
| 
                Oromocto,
                NB Sunbury Canada  | 
            
                Miramichi Rd. / Commerce Dr. (45.83286, -66.48817)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 56.5864  | 
            
                Other (At-Grade) Unknown  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Val d'Or,
                QC Abitibi-Témiscamingue Region Canada  | 
            
                Blvd. Tetrault / Ave. 3e (48.09992, -77.76900)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 41.4759  | 
            
                Other (At-Grade) Unknown  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Val d'Or,
                QC Abitibi-Témiscamingue Region Canada  | 
            
                Blvd. Tetrault / Blvd. Industriel (48.11255, -77.78258)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 39.8708  | 
            
                Other (At-Grade) Unknown  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Val d'Or,
                QC Abitibi-Témiscamingue Region Canada  | 
            
                Boulevard Tetrault / Chemin Sullivan (48.11272, -77.82042)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)  | 
            
                4 Approaches 0 Driveways 50.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2003 | Merging right-turn bypass lanes on north and south legs. Widened from single-lane to 2x2 and RRFB added to west leg in 2024 | 
| 
                Val d'Or,
                QC Abitibi-Témiscamingue Region Canada  | 
            
                Blvd. Tetrault / Rue de l'Hydro (48.11267, -77.79543)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 38.2759  | 
            
                Other (At-Grade) Unknown  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Missoula,
                MT Missoula Co. United States  | 
            
                Union Pacific St. / O'Leary St. / Clark Fork Ln. (46.88880, -114.04560)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | |
| 
                Winnipeg,
                MB Winnipeg Capital Region Canada  | 
            
                Waterfront Dr. / (no other legs) (49.90133, -97.12789)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                2 Approaches 0 Driveways 28.4631  | 
            
                Other (At-Grade) Unknown  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Burnaby,
                BC Greater Vancouver Regional District Canada  | 
            
                East Campus Rd. / University Dr. E (49.27628, -122.90450)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 40.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | On the Simon Fraser University campus. Year Completed estimated (2002-2004). | 
| 
                Pearl City,
                HI Oahu Co. United States  | 
            
                Kuahaka St. / Kalauipo St. (21.41052, -157.96720)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.4619  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Pearl City,
                HI Oahu Co. United States  | 
            
                Kuahaka St. / Kaweloka St. (21.40495, -157.97320)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 17.7912  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Wichita,
                KS Sedgwick Co. United States  | 
            
                Douglas Ave. / Sycamore St. (37.68404, -97.34694)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.4103  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Fatal crash April 2, 2006. 11861-05. ICD estimated from Google Maps linework. | 
| 
                Wichita,
                KS Sedgwick Co. United States  | 
            
                W Murdock St. / W River Blvd. / W Stackmand Dr. (Riverside Park) (37.69749, -97.34429)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 58.5908  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Madison,
                WI Dane Co. United States  | 
            
                Star Dr. / Apollo Way (43.08892, -89.27760)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.1663  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Date estimated. ICD estimated from Google Maps linework. | 
| 
                Corning,
                NY Steuben Co. United States  | 
            
                Robert Dann Blvd. / Aurene Dr. / Creekside Dr. (42.16506, -77.11484)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.7216  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | Access permits for research and development plant. ICD estimated from Google Maps linework. | 
| 
                Madison,
                WI Dane Co. United States  | 
            
                McLean Dr. / Sharpsburg Dr. (43.08695, -89.27359)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.1672  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Date estimated. ICD estimated from Google Maps linework. | 
| 
                Bozeman,
                MT Gallatin Co. United States  | 
            
                Baxter Ln. / Ferguson Ave. (45.70024, -111.09310)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.0040  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | |
| 
                Bozeman,
                MT Gallatin Co. United States  | 
            
                Laurel Pkwy. / Annie St. (45.68916, -111.11383)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | |
| 
                Bozeman,
                MT Gallatin Co. United States  | 
            
                Laurel Pkwy. / Glenellen Dr. / Sherwood Way (45.69050, -111.11401)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | |
| 
                Great Neck,
                NY Nassau Co. United States  | 
            
                Barstow Rd. / South Station Pl. (40.78735, -73.72462)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 22.6068  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | High pedestrian activitiy associated with commuter rail station below the roundabout. ICD estimated from Google Maps linework. | 
| 
                Fillmore,
                CA Ventura Co. United States  | 
            
                River St. / Surrey Way (34.39410, -118.91950)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                4 Approaches 0 Driveways 38.4355  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Traffic Calming Circle with Truck Apron Previously controlled by two-way stop Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Fillmore,
                CA Ventura Co. United States  | 
            
                River St. / Reading St. (34.39330, -118.92510)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                3 Approaches 0 Driveways 71.9441  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Features truck apron and modified curb lines. Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Mooresville,
                NC Iredell Co. United States  | 
            
                New Haven Dr. / Longfellow Ln. (35.52184, -80.92584)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 2 Driveways 45.6867  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                St. George,
                UT Washington Co. United States  | 
            
                N Ridgecrest / Valley View Dr. / (parking) (37.12601, -113.60230)  | 
            
                Roundabout Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 22.8540  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Scaggsville,
                MD Howard Co. United States  | 
            
                Ice Crystal Dr. / Birchtree Ln. (39.14355, -76.89912)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 28.7147  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Lincoln,
                NE Lancaster Co. United States  | 
            
                Humphrey Ave. / Trinidad Rd. (40.87909, -96.69670)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 37.0239  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Lincoln,
                NE Lancaster Co. United States  | 
            
                80th St. / Preserve Ln. (40.76543, -96.61143)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 28.9463  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Lincoln,
                NE Lancaster Co. United States  | 
            
                S 16th St. / Chloe Ln. (40.73251, -96.69884)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 25.3405  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                (unincorporated),
                GA Camden Co. United States  | 
            
                La Vento Ln. / La Terra Ln. (31.11206, -81.68107)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 57.2619  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Newport News,
                VA United States  | 
            
                Walt Whitman Ave. / Nat Turner Blvd. (37.08250, -76.48679)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 25.7255  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Riverbank,
                CA Stanislaus Co. United States  | 
            
                Crawford Rd. / Homewood Way (37.71818, -120.94930)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.3480  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Bike lanes in circulatory roadway in 2010 photo. ICD estimated from Google Maps linework. | 
| 
                Riverbank,
                CA Stanislaus Co. United States  | 
            
                Chancellor Way / Gallery Dr. (37.72000, -120.95440)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.5629  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Residential area. ICD estimated from Google Maps linework. | 
| 
                Riverbank,
                CA Stanislaus Co. United States  | 
            
                Chancellor Way / Novi Dr. (37.72214, -120.95440)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.3963  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Residential area near park. ICD estimated from Google Maps linework. | 
| 
                Lafayette,
                LA Lafayette Par. United States  | 
            
                Ridge Rd. / Rue du Belier (30.18122, -92.09189)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.1024  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Ivins,
                UT Washington Co. United States  | 
            
                Center St. / S 200 E (37.16837, -113.67480)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.0687  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Grass Valley,
                CA Nevada Co. United States  | 
            
                Sierra College Dr. / Litton Dr. / Robert Ross Way (39.23445, -121.05200)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.3780  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Longmont,
                CO Boulder Co. United States  | 
            
                Deerwood Dr. / Windflower Dr. (40.17093, -105.06300)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 25.5532  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Longmont,
                CO Boulder Co. United States  | 
            
                Deerwood Dr. / Stardance Cir. (40.16962, -105.06120)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 22.8158  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Longmont,
                CO Boulder Co. United States  | 
            
                Deerwood Dr. / Summer Hawk Dr. (40.17087, -105.05720)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 25.5532  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Irvine,
                CA Orange Co. United States  | 
            
                Laguna Canyon Rd. / Quail Hill (33.64756, -117.76640)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 57.6655  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | One approach leads to an unfinished road ICD estimated from Google Maps linework. | 
| 
                Larkspur,
                CO Douglas Co. United States  | 
            
                Bear Dance Dr. / Sky View Ln. / Elk View Rd. / Lake Dr. (39.27054, -104.90711)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.4367  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| 
                Brighton,
                CO Adams Co. United States  | 
            
                Royal Pine St. / Bristle Cone St. (39.99139, -104.74762)  | 
            
                Roundabout Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 73.2019  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| 
                Brighton,
                CO Adams Co. United States  | 
            
                Royal Pine St. / Longs Peak St. (39.99458, -104.74971)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 21.0446  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| 
                Brighton,
                CO Adams Co. United States  | 
            
                Midland St. / N 46th Ave. (39.99625, -104.75962)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 131.7535  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| 
                Brighton,
                CO Adams Co. United States  | 
            
                Midland St. / N 45th Ave. (39.99675, -104.76143)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 71.3663  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| 
                Brighton,
                CO Adams Co. United States  | 
            
                N 45th Ave. / Oxbow Dr. (39.99866, -104.76214)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 115.2808  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| 
                Brighton,
                CO Adams Co. United States  | 
            
                N 42nd Ave. / Clover Ln. (39.99227, -104.76718)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 119.8666  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| 
                Chattanooga,
                TN Hamilton Co. United States  | 
            
                Elder Mountain Rd. / O'Grady Dr. (35.04252, -85.36198)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.1796  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Year Completed estimated (2002-2007). ICD estimated from Google Maps linework. | 
| 
                Columbia,
                MD Howard Co. United States  | 
            
                Harpers Farm Rd. / Campus Dr. (39.21534, -76.88023)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 31.4614  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Originally had 4 legs. ICD estimated from Google Maps linework. | 
| 
                Aberdeen,
                MD Harford Co. United States  | 
            
                Tralee Cir. / Ashford Dr. (39.48395, -76.23831)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 25.8100  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                Country Club Rd. / Kensington Dr. (35.07843, -92.48086)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                4 Approaches 0 Driveways 10.7514  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                Irby Dr. / Amelia Dr. (35.10676, -92.48925)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Stop None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | |
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                Irby Dr. / Poteete Dr. (35.10681, -92.49355)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Stop None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | |
| 
                Wilmington,
                NC New Hanover Co. United States  | 
            
                Town Center Dr. / Destiny Way (34.24089, -77.83261)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 37.5184  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| 
                Wilmington,
                NC New Hanover Co. United States  | 
            
                Preservation Way / Preservation Way (34.23705, -77.83518)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways 43.4444  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| 
                Wilmington,
                NC New Hanover Co. United States  | 
            
                Town Center Dr. / Monument Dr. (34.24480, -77.83211)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.5675  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| 
                Wilmington,
                NC New Hanover Co. United States  | 
            
                Wells Rd. / Monument Dr. (34.24346, -77.83690)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways 34.5554  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| 
                Liberty Township,
                OH Butler Co. United States  | 
            
                Aspenwood Dr. / Aspen Trail Blvd. (39.42119, -84.44619)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 26.7559  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | No splitter islands. ICD estimated from Google Maps linework. | 
| 
                Santa Maria,
                CA Santa Barbara Co. United States  | 
            
                Hidden Pines Way / Cesar E Chavez Dr. (34.98597, -120.44869)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.3551  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Santa Maria,
                CA Santa Barbara Co. United States  | 
            
                Hidden Pines Way / Railroad Ave. (34.98586, -120.44455)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.2692  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                (unincorporated),
                AB Strathcona Co. Canada  | 
            
                Crimson Dr. / Campbell Dr. / Cranberry Way (53.55245, -113.27615)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.2528  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Huntersville,
                NC Mecklenburg Co. United States  | 
            
                Hugh Torance Pkwy. / Chaddsley Dr. (35.42259, -80.87830)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 46.7164  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Raleigh,
                NC Wake Co. United States  | 
            
                Falls River Ave. / Bedfordtown Dr. / Wide River Dr. (35.92917, -78.57172)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.0788  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Raleigh,
                NC Wake Co. United States  | 
            
                Falls River Ave. / Bedfordtown Dr. (35.92300, -78.56332)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 47.3916  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                (unincorporated),
                TX Denton Co. United States  | 
            
                Magnolia Blvd. / Peachtree Dr. (33.22286, -96.90053)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 33.5274  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Concentric bike lane in circulatory roadway. Year Completed estimated (2001-2005). | 
| 
                Mount Pleasant,
                SC Charleston Co. United States  | 
            
                Rifle Range Rd. / Venning Rd. / Old Landing Rd. (32.81335, -79.83051)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.1129  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Raleigh,
                NC Wake Co. United States  | 
            
                Alexander Promenade Pl. / Unknown St. (35.91392, -78.77933)  | 
            
                Other Existing  | 
            
                Other Unknown  | 
            
                4 Approaches 0 Driveways 23.2149  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | 3 Yield, One Stop ICD estimated from Google Maps linework. | 
| 
                Canton,
                GA Cherokee Co. United States  | 
            
                Reservoir Rd. / Great Sky Pkwy. / Sunshower Ridge (34.27694, -84.48833)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 64.1487  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Stone Mountain Park,
                GA DeKalb Co. United States  | 
            
                Robert E Lee Blvd. / Covered Bridge Ln. (33.80518, -84.13525)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 23.8178  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Inside Stone Mountain Park. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Athens,
                GA Clarke Co. United States  | 
            
                (unknown) / (unknown) (33.97167, -83.37000)  | 
            
                Other Existing  | 
            
                Other Unknown  | 
            
                4 Approaches 0 Driveways 36.6475  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Kennesaw,
                GA Cobb Co. United States  | 
            
                Campus Loop Rd. / Canton Pl. / Ackworth Pl. (34.04169, -84.58420)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.4800  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | On campus of Kennesaw State University. Striped truck apron. | 
| 
                (unincorporated),
                FL St. Johns Co. United States  | 
            
                Palencia Club Dr. / N Loop Pkwy. / Market St. (30.02421, -81.38772)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.8857  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Jacksonville,
                FL Duval Co. United States  | 
            
                Burnt Mill Rd. / (unknown) (30.24209, -81.51871)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.7629  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Venice,
                FL Sarasota Co. United States  | 
            
                Veneto Blvd. / Portofino Dr. / Bella Vista Terr. (27.14637, -82.37091)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 59.5149  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Hales Corners,
                WI Milwaukee Co. United States  | 
            
                Grange Ave. / 116th St. (42.94460, -88.05808)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.2220  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Opened October 15, 2003. ICD estimated from Google Maps linework. | 
| 
                (unincorporated),
                FL St. Lucie Co. United States  | 
            
                SW Community Blvd. / SW Rowley Way (27.27730, -80.44212)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 49.8913  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | Concentric circulatory roadway striping. ICD estimated from Google Maps linework. | 
| 
                (unincorporated),
                FL St. Lucie Co. United States  | 
            
                SW Community Blvd. / Westcliffe Ln. / Sycamore Tree Way (27.27973, -80.44482)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 46.7058  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | Concentric circulatory roadway striping. ICD estimated from Google Maps linework. | 
| 
                (unincorporated),
                FL St. Lucie Co. United States  | 
            
                SW Community Blvd. / SW Tradition Pkwy. (27.26444, -80.43804)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 75.3765  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | Concentric circulatory roadway striping. ICD estimated from Google Maps linework. |