| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Avoca Borough,
                PA Luzerne Co. United States  | 
            
                SR 315 / I-81 NB Ramps / Navy Way Rd. (41.33429, -75.73450)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 56.4971  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2015 | Fifth leg is departure only to I-81 NB on-ramp. ICD estimated from Google Maps linework. | 
| 
                Cottage Grove,
                MN Washington Co. United States  | 
            
                Jamaica Ave. / US 10-US 61 EB Ramps / W Point Douglas Rd. (44.81452, -92.93504)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 57.6128  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Cottage Grove,
                MN Washington Co. United States  | 
            
                Jamaica Ave. / US 10-US 61 WB Ramps (44.81586, -92.93379)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 37.2780  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Prescott,
                AZ Yavapai Co. United States  | 
            
                Grande Dame Pkwy. / SR 89A EB Ramps (34.63499, -112.39830)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 52.0821  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2011 | ICD estimated from Google Maps linework. | 
| 
                Prescott,
                AZ Yavapai Co. United States  | 
            
                Grande Dame Pkwy. / SR 89A WB Ramps (34.63643, -112.39710)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 51.0985  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2011 | ICD estimated from Google Maps linework. | 
| 
                Moon Township,
                PA Allegheny Co. United States  | 
            
                SR 3070 / Resurrection Rd. / I-376 SB Ramps (40.48070, -80.20240)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.4290  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2011 | Previously controlled by two-way stop ICD estimated from Google Maps linework. | 
| 
                Westfield,
                IN Hamilton Co. United States  | 
            
                E 161st St. / US 31 NB Ramps (40.02195, -86.13092)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 50.2920  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)  |   
            2013 | Raindrop shaped. Series of 3 roundabouts. | 
| 
                Westfield,
                IN Hamilton Co. United States  | 
            
                E 161st St. / US 31 SB Ramps (40.02183, -86.13259)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 50.2920  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)  |   
            2013 | Raindrop shaped. Series of 3 roundabouts. | 
| 
                Medford,
                MA Middlesex Co. United States  | 
            
                Fellsway W. / Forest St. / S Border Rd. / I-93 Ramps (42.42933, -71.10333)  | 
            
                Rotary Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 132.2319  | 
            
                Freeway Ramps (Grade-Separated) Unknown  |   
            ICD estimated from Google Maps linework. | |
| 
                Carmel,
                IN Hamilton Co. United States  | 
            
                Old Meridian St. / US 31 SB Ramps (39.98504, -86.14209)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 45.7200  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2014 | |
| 
                Carmel,
                IN Hamilton Co. United States  | 
            
                Old Meridian St. / US 31 NB Ramps (39.98429, -86.14154)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 44.1960  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2015 | |
| 
                Westwood,
                MA Norfolk Co. United States  | 
            
                East St. / US 95 Ramps / Canton St. / Allied St. (42.22317, -71.17071)  | 
            
                Rotary Existing  | 
            
                Unknown Unknown  | 
            
                6 Approaches 0 Driveways 86.6751  | 
            
                Freeway Ramps (Grade-Separated) Unknown  |   
            ICD estimated from Google Maps linework. | |
| 
                Eagle,
                CO Eagle Co. United States  | 
            
                Eby Creek Rd. / I-70 EB Ramps (39.65961, -106.82719)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 37.6976  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2013 | Right-turn bypass lane in southeast quadrant. Estimated year completed; built sometime between 2011 and 2015. ICD estimated from Google Maps linework. | 
| 
                Eagle,
                CO Eagle Co. United States  | 
            
                Eby Creek Rd. / I-70 WB Ramps (39.66068, -106.82819)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 32.1804  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2013 | Estimated year completed; built sometime between 2011 and 2015. ICD estimated from Google Maps linework. | 
| 
                Grand Island,
                NY Erie Co. United States  | 
            
                Rte 324 / Staley Rd. (43.00727, -78.94897)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 35.8083  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2011 | ICD estimated from Google Maps linework. | 
| 
                Trumbull,
                CT Fairfield Co. United States  | 
            
                Park Ave. / Rte. 15 (Merritt Pkwy) WB Ramps (41.22857, -73.24581)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 28.7436  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2015 | Constructed by private developer. ICD estimated from Google Maps linework. | 
| 
                Ferndale,
                WA Whatcom Co. United States  | 
            
                Slater Rd. / I-5 SB Ramps (48.81713, -122.54999)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.1000  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)  |   
            2014 | Initially installed in November 2014 as a single-lane with a traversable central island. Includes a yield-controlled right-turn bypass lane. Modified in 2024-2025 to 2x1 with yield-controlled right-turn-only lane on north and west legs. | 
| 
                Ferndale,
                WA Whatcom Co. United States  | 
            
                Slater Rd. / I-5 NB Ramps (48.81737, -122.54604)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 27.5247  | 
            
                Freeway Ramps (Grade-Separated) Single-lane w/ Traversable Central Island  |   
            2014 | Includes yield-controlled right-turn bypass lanes. Open November 2014. ICD estimated from Google Maps linework. | 
| 
                Carmel,
                IN Hamilton Co. United States  | 
            
                Clay Terrace Blvd. / Circle Dr. / Range Line Rd. / US 31 SB Off-Ramp (39.99264, -86.12840)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 51.8160  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2012 | |
| 
                Carmel,
                IN Hamilton Co. United States  | 
            
                E Main St. / Keystone Pkwy. SB Ramps (39.97844, -86.11319)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 45.7200  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)  |   
            2009 | Raindrop shaped. Year Completed estimated (2008-2010). | 
| 
                Carmel,
                IN Hamilton Co. United States  | 
            
                E Main St. / Keystone Pkwy. NB Ramps (39.97843, -86.11238)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 45.7200  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)  |   
            2009 | Raindrop shaped. Year Completed estimated (2008-2010). | 
| 
                Carmel,
                IN Hamilton Co. United States  | 
            
                W Main St. / US 31 NB Ramps (39.97797, -86.15668)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 50.2920  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)  |   
            2015 | Raindrop shaped. | 
| 
                Carmel,
                IN Hamilton Co. United States  | 
            
                W Main St. / US 31 SB Ramps (39.97787, -86.15802)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 50.2920  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)  |   
            2015 | Raindrop shaped. | 
| 
                Buffalo,
                NY Erie Co. United States  | 
            
                Tifft St. / Rte 5 NB Ramps (42.83952, -78.85611)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 32.4029  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Fort Worth,
                TX Tarrant Co. United States  | 
            
                Harmon Rd. / US 81-US 287 NB Frontage Road (32.90026, -97.33182)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2014 | . | 
| 
                Fort Worth,
                TX Tarrant Co. United States  | 
            
                Harmon Rd. / US 81-US 287 SB Frontage Road (32.89689, -97.33177)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 39.6240  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2014 | . | 
| 
                Ann Arbor,
                MI Washtenaw Co. United States  | 
            
                Geddes Rd. / US 23 NB Ramps (42.27440, -83.67437)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 42.6720  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2011 | |
| 
                Ann Arbor,
                MI Washtenaw Co. United States  | 
            
                Geddes Rd. / US 23 SB Ramps (42.27450, -83.67833)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 47.2440  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2011 | Add-lane right-turn bypass lane in northwest quadrant. | 
| 
                West Gardiner,
                ME Kennebec Co. United States  | 
            
                Rte 9-Rte 126 / I-95 NB Ramps / Service Plaza Dr. (44.20896, -69.82823)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 40.2365  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Windsor,
                NS Hants Canada  | 
            
                Wentworth Rd. / Highway 101 NB Ramps / Morrison Dr. (44.99165, -64.11267)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 51.5231  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Cape Breton,
                NS Cape Breton Canada  | 
            
                Alexandra St. / Kenwood / Highway125 WB Ramps / Kenwood Dr. (46.10623, -60.20218)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.4978  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Stellarton,
                NS Pictou Canada  | 
            
                Foord St. / Highway 104 EB Ramps / Lawrence Blvd. (45.56897, -62.65945)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 56.8541  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Anchorage,
                AK Anchorage United States  | 
            
                Huffman Rd. / Seward Hwy SB Ramps (61.10854, -149.85175)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.0848  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Anchorage,
                AK Anchorage United States  | 
            
                Huffman Rd. / Seward Hwy NB Ramps-Brayton Dr. (61.10858, -149.84928)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 43.2781  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Mount Pearl,
                NL Newfoundland and Labrador Canada  | 
            
                Ruth Ave. / Route 2 EB Ramps (47.50767, -52.82461)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.9515  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Winston-Salem,
                NC Forsyth Co. United States  | 
            
                Clemmonsville Rd. / NC 150 (Peters Creek Pkwy) SB Ramps (36.04060, -80.26085)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 46.3553  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Winston-Salem,
                NC Forsyth Co. United States  | 
            
                Clemmonsville Rd. / NC 150 (Peters Creek Pkwy) NB Ramps (36.04092, -80.25919)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.6292  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Charlotte,
                NC Mecklenburg Co. United States  | 
            
                Prosperity Ridge Rd. / Robert Helms Rd. (I-485 EB Ramps) (35.36809, -80.78005)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 30.1914  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2014 | Right-turn bypass lane on south leg. ICD estimated from Google Maps linework. | 
| 
                Charlotte,
                NC Mecklenburg Co. United States  | 
            
                Prosperity Ridge Rd. / Craven Thomas Rd. (I-485 WB Ramps) (35.36948, -80.77995)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 29.2170  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2014 | Right-turn-only lanes on north and west legs. ICD estimated from Google Maps linework. | 
| 
                Charlotte,
                NC Mecklenburg Co. United States  | 
            
                Prosperity Church Rd. / Robert Helms Rd. (I-485 EB Ramps) (35.36824, -80.78449)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 31.1652  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2014 | Project R-2248E. ICD estimated from Google Maps linework. | 
| 
                Charlotte,
                NC Mecklenburg Co. United States  | 
            
                Prosperity Church Rd. / Craven Thomas Rd. (I-485 WB Ramps) (35.36961, -80.78436)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 30.1908  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2014 | Right-turn-only lanes on north and east legs. ICD estimated from Google Maps linework. | 
| 
                Charlotte,
                NC Mecklenburg Co. United States  | 
            
                Benfield Rd. / Robert Helms Rd. (I-485 EB Ramps) (35.36840, -80.78956)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 30.1913  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2014 | Right-turn-only lanes on west and south legs. ICD estimated from Google Maps linework. | 
| 
                Charlotte,
                NC Mecklenburg Co. United States  | 
            
                Benfield Rd. / Craven Thomas Rd. (I-485 WB Ramps) (35.36979, -80.78944)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 31.1646  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2014 | ICD estimated from Google Maps linework. | 
| 
                St Paul,
                MN Washington Co. United States  | 
            
                Hilton Trl. / TH 36 EB Ramps / Viking Dr. (45.03529, -92.95032)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 28.6959  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                St Paul,
                MN Washington Co. United States  | 
            
                Hilton Trl. / TH 36 WB On-Ramp / 60th St. N (45.03645, -92.95099)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 53.1708  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Utica,
                MI Macomb Co. United States  | 
            
                26 Mile Rd. / M-53 SB Ramps (42.71388, -83.02834)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 44.7542  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Utica,
                MI Macomb Co. United States  | 
            
                26 Mile Rd. / M-53 NB Ramps (42.71396, -83.02374)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 42.9991  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2009 | Replaced back-to-back loop ramps on northbound M-53. ICD estimated from Google Maps linework. | 
| 
                New Waverly,
                TX Walker Co. United States  | 
            
                FM 1375 Rd. / I-45 SB Frontage Rd. (30.53485, -95.49678)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 54.8630  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2015 | . | 
| 
                New Waverly,
                TX Walker Co. United States  | 
            
                FM 1375 Rd. / I-45 NB Frontage Rd. (30.53557, -95.49278)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 54.8640  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2015 | . | 
| 
                Sanford,
                NC Lee Co. United States  | 
            
                Us 15-US 501 / US 1 NB Ramps (35.52254, -79.18323)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 42.7701  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2015 | Right-turn bypass lane from freeway off-ramp. ICD estimated from Google Maps linework. | 
| 
                Sanford,
                NC Lee Co. United States  | 
            
                US 1-US 501 / US 1 SB Ramps (35.52491, -79.18452)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 41.7969  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2015 | Right-turn bypass lane onto freeway on-ramp. ICD estimated from Google Maps linework. | 
| 
                Osseo,
                MN Hennepin Co. United States  | 
            
                Zachary Ln. N / TH 610 EB Ramps / 96th Ave. (45.12930, -93.42241)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.5566  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Osseo,
                MN Hennepin Co. United States  | 
            
                Zachary Ln. N / TH 610 WB Ramps (45.13128, -93.42254)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 44.6568  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Osseo,
                MN Hennepin Co. United States  | 
            
                Elm Creek Blvd. / 99th Ave. / James Deane Blvd. / TH 610 WB Off-Ramp (45.13323, -93.44083)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 46.3403  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Saint Louis Park,
                MN Hennepin Co. United States  | 
            
                Louisiana Ave S / TH 7 EB Ramps / W Lake St. (44.93713, -93.36925)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 59.1811  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2014 | ICD estimated from Google Maps linework. | 
| 
                Saint Louis Park,
                MN Hennepin Co. United States  | 
            
                Louisiana Ave. S / TH 7 WB Ramps (44.93821, -93.36965)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 43.9623  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2014 | ICD estimated from Google Maps linework. | 
| 
                Mankato,
                MN Blue Earth Co. United States  | 
            
                CSAH 12 / US 14 EB Ramps (44.17221, -93.92420)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 59.9641  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Mankato,
                MN Blue Earth Co. United States  | 
            
                CSAH 12 / US 14 WB Ramps (44.17518, -93.92303)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 53.9650  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                South Saint Paul,
                MN Dakota Co. United States  | 
            
                E Wentworth Ave. (CR 8) / Waterloo Ave. / US 52 SB Onramp (44.89797, -93.06674)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 32.1488  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                South Saint Paul,
                MN Dakota Co. United States  | 
            
                E Wentworth Ave. / US 52 NB Offramp / Lafayette Ave. (44.89795, -93.06533)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 32.1488  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Worthington,
                MN Nobles Co. United States  | 
            
                US 59-TH 60 / I-90 EB Ramps (43.63559, -95.56880)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 56.1852  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Nisswa,
                MN Crow Wing Co. United States  | 
            
                CSAH 18 / S. Main St. / Smiley Rd. (46.51638, -94.28400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 1 Driveways 44.3812  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Sauk Rapids,
                MN Benton Co. United States  | 
            
                CSAH 3 (Golden Spike Rd NE) / US 10 WB Ramps / Quarry Rd. (45.59872, -94.14657)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.7823  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2014 | Combined two stop-controlled intersections into one. ICD estimated from Google Maps linework. | 
| 
                Sauk Rapids,
                MN Benton Co. United States  | 
            
                CSAH 3 (2nd St. N) / US 10 EB Ramps (45.59820, -94.15070)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 46.7967  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2014 | ICD estimated from Google Maps linework. | 
| 
                Wasilla,
                AK Matanuska-Susitna United States  | 
            
                Trunk Rd. / Parks Hwy SB Ramps / E Fireweed Rd. (61.56204, -149.26719)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 15.9249  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Augusta,
                ME Kennebec Co. United States  | 
            
                Rte 3 / I-95 NB Ramps (44.35353, -69.78083)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 46.1156  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Augusta,
                ME Kennebec Co. United States  | 
            
                Rte 3 / I-95 SB Ramps / Old Belgrade Rd. (44.35796, -69.78470)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 46.1121  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Monterey,
                CA Monterey Co. United States  | 
            
                SR 68 / SR 1 SB Off-Ramp / 17 Mile Dr. (36.57529, -121.91281)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.6720  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2017 | |
| 
                Monterey,
                CA Monterey Co. United States  | 
            
                17 Mile Dr. / SR 1 SB On-Ramp (36.57448, -121.91295)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways 28.9560  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2017 | Raindrop shape. Right-turn-only lane on west leg. | 
| 
                Henderson,
                CO Adams Co. United States  | 
            
                E 96th Ave. / I-76 NB Ramps / Brighton Rd. / I-76 Frontage Rd. (39.87074, -104.90024)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                5 Approaches 0 Driveways 68.7479  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2009 | Year Completed estimated (2008-2010). ICD estimated from Google Maps linework. | 
| 
                Henderson,
                CO Adams Co. United States  | 
            
                E 96th Ave. / I-76 WB Ramps / Brighton Rd. / I-76 Service Rd. (39.87079, -104.90301)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 65.0813  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2009 | Year Completed estimated (2008-2010). ICD estimated from Google Maps linework. | 
| 
                Ridgefield,
                WA Clark Co. United States  | 
            
                NW 319th St. / I-5 SB Ramps (45.85163, -122.70380)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 48.7680  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2017 | Part of Ilani Casino interchange project. | 
| 
                Ridgefield,
                WA Clark Co. United States  | 
            
                NW La Center Rd. / I-5 NB Ramps (45.85214, -122.70160)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 51.8160  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2017 | Part of Ilani Casino interchange project. | 
| 
                Camas,
                WA Clark Co. United States  | 
            
                NW 6th Ave. / SR 14 WB Ramps / NW Norwood St. (45.58216, -122.42684)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 44.1960  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2016 | |
| 
                Benton City,
                WA Benton Co. United States  | 
            
                SR 224 / SR 225 / I-82 WB Ramps (46.25173, -119.47550)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.2934  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2016 | Replaced two close-spaced stop-controlled intersections. Open June 2016. ICD estimated from Google Maps linework. | 
| 
                Bellevue,
                WA King Co. United States  | 
            
                W Lake Sammamish Pkwy SE / I-90 WB Ramps (47.56690, -122.09947)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 139.9998  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2013 | Open November 2013. Raindrop shape. | 
| 
                Liberty Lake,
                WA Spokane Co. United States  | 
            
                Liberty Lake Rd. / Harvard Rd. / E Mission Ave. / I-90 WB Off-Ramp (47.67454, -117.11097)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.0137  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2013 | Open October 2013. ICD estimated from Google Maps linework. | 
| 
                Vancouver,
                WA Clark Co. United States  | 
            
                NE 18th St. / I-205 SB On Ramp (45.63554, -122.56193)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways 33.4039  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Hunts Point,
                WA King Co. United States  | 
            
                Hunts Point Rd. / NE 28th St. / 84th Ave. NE / SR 520 ramps (47.63600, -122.22744)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.6536  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2014 | Open June 2014. ICD estimated from Google Maps linework. | 
| 
                Yarrow Point,
                WA King Co. United States  | 
            
                92nd Ave. NE / NE Points Dr. / NE 33rd St. / SR 520 WB Off-Ramp (47.64153, -122.21728)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 86.9075  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2014 | Open August 2014. ICD estimated from Google Maps linework. | 
| 
                Monroe,
                WA Snohomish Co. United States  | 
            
                W Main St. / SR 522 SB Ramps (47.84883, -122.00879)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 60.9600  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2014 | Right-turn bypass lane on west leg. Open December 2014. | 
| 
                Medford,
                MA Middlesex Co. United States  | 
            
                Salem St. (Rte 60) / I-93 Ramps (42.41946, -71.10398)  | 
            
                Rotary Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 149.8864  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Kelso,
                WA Cowlitz Co. United States  | 
            
                SR 432 / Old Hwy 99 / I-5 NB Ramps / Kelso Dr. (46.10491, -122.87586)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.0040  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2015 | Open August 2015. Elliptical shape. ICD = approximately 110 ft x 100 ft. | 
| 
                Newton,
                KS Harvey Co. United States  | 
            
                S Anderson Rd. / US 50 Ramps (38.02647, -97.35495)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 128.0160  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2014 | Elliptical shaped. Terminal for a single-point interchange. ICD = 420 ft x 320 ft. Open August 2014. | 
| 
                Mulvane,
                KS Sumner Co. United States  | 
            
                E 119th St. connector / (casino access) / I-35 NB Ramps (Kansas Turnpike) (37.47198, -97.32102)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 70.1040  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2011 | Open December 2011. | 
| 
                Mulvane,
                KS Sumner Co. United States  | 
            
                E 119th St. connector / (casino access) / I-35 SB Ramps (Kansas Turnpike) (37.47137, -97.32445)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 70.1040  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2011 | Open December 2011. | 
| 
                Shawnee,
                KS Johnson Co. United States  | 
            
                W 55th St. / Johnson Dr. / K-7 Ramps (39.02903, -94.85268)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 105.7677  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2011 | Open September 2011. ICD estimated from Google Maps linework. | 
| 
                Conway,
                AR Faulkner Co. United States  | 
            
                Dave Ward Dr. / Amity Rd. / I-40 WB Ramps (35.06637, -92.41452)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 65.4953  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Cumberland,
                MD Allegany Co. United States  | 
            
                US 220 / I-68 EB Ramps  (39.64367, -78.79099)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.0276  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2012 | Built to facilitate U-turns. Teardrop shape. ICD estimated from Google Maps linework. | 
| 
                Seabrook,
                SC Beaufort Co. United States  | 
            
                US 21 (Trask Pkwy.) / US 17 SB Ramps (32.60212, -80.75961)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways 41.2518  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Terre Haute,
                IN Vigo Co. United States  | 
            
                IN-46 / IN-641 SB Ramps (39.41463, -87.33553)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2016 | |
| 
                Terre Haute,
                IN Vigo Co. United States  | 
            
                IN-46 / IN-641 NB Ramps (39.41253, -87.33459)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.9093  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Missoula,
                MT Missoula Co. United States  | 
            
                N Orange St. / N 5th St. / I-90 EB Ramps (46.87980, -113.99314)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Active Pedestrian Warning (flashing yellow)  | 
            
                3 Approaches 0 Driveways 45.7162  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2017 | Completed June 2017. ICD estimated from Google Maps linework. | 
| 
                Missoula,
                MT Missoula Co. United States  | 
            
                N Van Buren St. / I-90 EB Ramps (46.87015, -113.98167)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.2933  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2018 | Completed summer 2018. Raindrop-shaped central island. ICD estimated from Google Maps linework. | 
| 
                Green Bay,
                WI Brown Co. United States  | 
            
                Shawano Ave. / I-41 NB Ramps (44.53750, -88.07683)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 47.6732  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            2013 | Year Completed estimated (2011-2015). ICD estimated from Google Maps linework. | 
| 
                Howard,
                WI Brown Co. United States  | 
            
                Shawano Ave. / I-41 SB Ramps (44.53894, -88.07831)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 49.3746  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            2013 | Year Completed estimated (2011-2015). ICD estimated from Google Maps linework. | 
| 
                Green Bay,
                WI Brown Co. United States  | 
            
                Cardinal Ln. / N Packerland Dr. / Shawano Ave. / STH 32 WB On-Ramp (44.54373, -88.08784)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 49.3705  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            2013 | Year Completed estimated (2011-2015). ICD estimated from Google Maps linework. | 
| 
                Green Bay,
                WI Brown Co. United States  | 
            
                N Packerland Dr. / STH 32 EB Off-Ramp (44.54289, -88.08979)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 44.2639  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            2013 | Year Completed estimated (2011-2015). ICD estimated from Google Maps linework. | 
| 
                New Stanton,
                PA Westmoreland Co. United States  | 
            
                I-70 / Bair Blvd (40.21722, -79.61435)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 43.7756  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2016 | Year Completed could be 2017. ICD estimated from Google Maps linework. | 
| 
                New Stanton,
                PA Westmoreland Co. United States  | 
            
                I-70 / Pennsylvania Ave / SR 3089 (40.21546, -79.61296)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.1608  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2016 | Year completed could be 2017. ICD estimated from Google Maps linework. |