| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Lackawanna,
                NY Erie Co. United States  | 
            
                Dorrance Ave. / S. Shore Blvd. / Ward Ct. (42.83199, -78.80859)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0345  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Restriped as single-lane roundabout. ICD estimated from Google Maps linework. | 
| 
                Casper,
                WY Natrona Co. United States  | 
            
                Centennial Hills Blvd. / Waterford St. (42.83014, -106.26682)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Year Completed estimated (2004-2006). South leg added 2009-2012. | 
| 
                Cheyenne,
                WY Laramie Co. United States  | 
            
                High Plains Rd. / I-25 SB Ramps (41.06202, -104.87730)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.4293  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Cheyenne,
                WY Laramie Co. United States  | 
            
                High Plains Rd. / I-25 NB Ramps (41.06046, -104.87620)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 55.8337  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2010 | Only 3 of the 5 approaches are currently in service. One is under construction for the new Southeast Wyoming Welcome Center. The last is a future extension of High Plains to the east. ICD estimated from Google Maps linework. | 
| 
                Sacramento,
                CA Sacramento Co. United States  | 
            
                Promenade Cir. / (unknown) (38.63732, -121.49950)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.5175  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Inside commercial/office park. ICD estimated from Google Maps linework. | 
| 
                Fresno,
                CA Fresno Co. United States  | 
            
                Belmont Circle (Belmont Ave. / Motel Dr. / Arthur Ave. / Wesley Ave. / Thorne Ave.) (36.75051, -119.81530)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                5 Approaches 0 Driveways 104.3080  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Venice,
                CA Los Angeles Co. United States  | 
            
                Windward Ave. / Main St. / Grand Blvd. (33.98816, -118.47100)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                5 Approaches 0 Driveways 48.5238  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            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. | 
| 
                Ivins,
                UT Washington Co. United States  | 
            
                Snow Canyon Pkwy. / Split Rock Dr. / Black Desert Dr. (37.16312, -113.64370)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 60.9600  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2004 | |
| 
                Wilsonville,
                OR Clackamas Co. United States  | 
            
                SW Barber St. / Brown Rd. (45.30865, -122.78620)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 40.3179  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Wilsonville,
                OR Clackamas Co. United States  | 
            
                SW Barber St. / Costa Cir. / 110th Ave. (45.30843, -122.79090)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1580  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Phoenix,
                AZ Maricopa Co. United States  | 
            
                W Riverwood Blvd. / Windrow Blvd. (33.41749, -112.26690)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 23.9252  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Phoenix,
                AZ Maricopa Co. United States  | 
            
                Devonna Ln. / Watkins St. / 84th Dr. / Hammond Ln. (33.42601, -112.24090)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 23.9228  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | ICD estimated from Google Maps linework. | 
| 
                Wickenburg,
                AZ Maricopa Co. United States  | 
            
                US 93 / US 60 (33.97094, -112.72790)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 50.5146  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Consecutive double lefts with three-lane circulatory section. ICD estimated from Google Maps linework. | 
| 
                Wickenburg,
                AZ Maricopa Co. United States  | 
            
                US 93 / Tegner St. (33.98513, -112.73940)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.5546  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Maryville,
                IA Fayette Co. United States  | 
            
                IA 3 / IA 187 (42.68763, -91.64565)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.5057  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | Rural ICD estimated from Google Maps linework. | 
| 
                Altoona,
                IA Polk Co. United States  | 
            
                Bass Pro Dr. / Prairie Fire Blvd. (41.65177, -93.51022)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.8352  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Part of Bass Pro Shops commercial shopping center. ICD estimated from Google Maps linework. | 
| 
                Ankeny,
                IA Polk Co. United States  | 
            
                SW Goodwin St. / Springfield Dr. (41.69388, -93.61487)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.9709  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | One of three in a new residential development. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Ankeny,
                IA Polk Co. United States  | 
            
                SW Somersby Blvd. / 46th St. (41.69155, -93.61253)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.0799  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | One of three in a new residential development. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Ankeny,
                IA Polk Co. United States  | 
            
                SW Snyder Blvd. / Springfield Dr. (41.69610, -93.60439)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.8618  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | In new residential development. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Ankeny,
                IA Polk Co. United States  | 
            
                NW 13th St. / Boulder Dr. (41.74220, -93.64587)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.8432  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | In new residential development. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Ankeny,
                IA Polk Co. United States  | 
            
                SW White Birch Dr. / Braeburn St. (41.70018, -93.62535)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 55.2872  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | In new residential development. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Ankeny,
                IA Polk Co. United States  | 
            
                NW 5th St. / Abbie Dr. (41.73569, -93.66248)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.0634  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | In new residential development. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Cedar Falls,
                IA Black Hawk Co. United States  | 
            
                Brandilynn Blvd. / Prairie Pkwy. (42.48552, -92.43468)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.2763  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | In new commercial development. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Fort Dodge,
                IA Webster Co. United States  | 
            
                10th Ave. N. / N. 32nd St. (42.51522, -94.14932)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 37.8545  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | Replaced two T intersections. ICD estimated from Google Maps linework. | 
| 
                Iowa City,
                IA Johnson Co. United States  | 
            
                Grand Ave. / S. Grand Ave. (41.65855, -91.54559)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 23.2000  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | On University of Iowa school campus. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Iowa City,
                IA Johnson Co. United States  | 
            
                Kennedy Pkwy. / Meadowlark Dr. (41.66899, -91.59541)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.5492  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | In new residential development. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Waverly,
                IA Bremer Co. United States  | 
            
                1st Ave. NW / 8th St. NW (42.72669, -92.48061)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.2167  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Replaced "T" intersection at entry to Wartburg College school campus. ICD estimated from Google Maps linework. | 
| 
                West Des Moines,
                IA Dallas Co. United States  | 
            
                W. Wells Fargo Trl. / Wells Fargo Terr. (41.55986, -93.80373)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 25.0228  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | In new Wells Fargo commercial development. ICD estimated from Google Maps linework. | 
| 
                West Des Moines,
                IA Dallas Co. United States  | 
            
                W. Wells Fargo Trl. / E. Wells Fargo Terr. (41.55994, -93.80212)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 26.8101  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | In new Wells Fargo commercial development. ICD estimated from Google Maps linework. | 
| 
                West Des Moines,
                IA Dallas Co. United States  | 
            
                West Access / W. Wells Fargo Trl. (41.55749, -93.80611)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.5986  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | In new Wells Fargo commercial development. ICD estimated from Google Maps linework. | 
| 
                West Des Moines,
                IA Dallas Co. United States  | 
            
                Village View Dr. / Prairie View Dr. (Blue Stem Circle) (41.56376, -93.78467)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.5745  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | New residential/commercial development on former Ponderosa Golf Course. ICD estimated from Google Maps linework. | 
| 
                West Des Moines,
                IA Dallas Co. United States  | 
            
                S. Crescent Way / Stagecoach Dr. (41.56252, -93.78701)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.9581  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Intersection of two private residential streets on former Ponderosa Golf Course. ICD estimated from Google Maps linework. | 
| 
                West Des Moines,
                IA Dallas Co. United States  | 
            
                S. Crescent Way / S. Ridgefield Way / Fairway Dr. (41.56541, -93.78633)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 33.9566  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Intersection of two private residential streets on former Ponderosa Golf Course. ICD estimated from Google Maps linework. | 
| 
                Raleigh,
                NC Wake Co. United States  | 
            
                Hillsborough St. / Pullen Rd. (35.78608, -78.66244)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2010 | Fencing along sidewalk next to circulatory roadway for ADA accessibility instead of landscape buffer. Originally built 2010 as multilane roundabout. Modified 2011-2013 with striping to reduce to single-lane with right-turn-only lanes on north, west, and south legs. At entrance to North Carolina State University campus. | 
| 
                Raleigh,
                NC Wake Co. United States  | 
            
                Oberlin Rd. / Pullen Rd. / Groveland Ave. (35.78653, -78.66136)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.9560  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Roundabout on tilted plane with central island on steeper plane to manage circulatory roadway cross slope. | 
| 
                Alpha,
                MI Iron Co. United States  | 
            
                Main St. / 4th St. / Center St. / 8th Ave. (46.04575, -88.37727)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 68.8040  | 
            
                Other (At-Grade) Unknown  |   
            ICD estimated from Google Maps linework. | |
| 
                Mount Pleasant,
                MI Isabella Co. United States  | 
            
                Mosher St. / Main St. (43.60531, -84.77661)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 21.6206  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Clare,
                MI Isabella Co. United States  | 
            
                US 127 Business / Mission Rd. (43.80889, -84.76766)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 41.3709  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Perryolpolis,
                PA Fayette Co. United States  | 
            
                Independence St. / Liberty St. (40.08707, -79.75069)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 27.4122  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Petaluma,
                CA Sonoma Co. United States  | 
            
                McDowell Blvd. / Baywood Dr. (38.24036, -122.61010)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 23.4513  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Irvine,
                CA Orange Co. United States  | 
            
                Sand Canyon Ave. / Shady Canyon Dr. (33.65462, -117.78100)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 104.3859  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2001 | 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. | 
| 
                Palmdale,
                CA Los Angeles Co. United States  | 
            
                Palmdale Blvd. (SR 138) / 47th St. / 50th St. (34.58010, -118.04510)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 57.9120  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Modified 2019-2020 to add lanes. 21442 | 
| 
                Castaic,
                CA Los Angeles Co. United States  | 
            
                Hasley Canyon Rd. / The Old Road (34.45592, -118.61730)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 52.1943  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Yuba City,
                CA Sutter Co. United States  | 
            
                Stabler Ln. / Butte Vista Ln. (39.16747, -121.64400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 46.2983  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Bridgestone Dr. / Steeple Chase Dr. / Stonehaven Dr. (45.29100, -75.85860)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.5674  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | Functional Class: Major Collector ICD estimated from Google Maps linework. | 
| 
                Albany,
                NY Albany Co. United States  | 
            
                Washington Ave. / CR 156 (Fuller Rd.) (42.69307, -73.83071)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 53.5475  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2012 | New roundabout will be just north of existing intersection. A flyover will carry through traffic on Washington Ave Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Brookfield Rd. / Flannery Dr. (45.37364, -75.68420)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.7886  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Functional Class: Major Collector ICD estimated from Google Maps linework. | 
| 
                Petaluma,
                CA Sonoma Co. United States  | 
            
                Magnolia Ave. / Elm Dr. (38.24586, -122.65600)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 20.6356  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Petaluma,
                CA Sonoma Co. United States  | 
            
                Windsor Dr. / West Haven Way (38.22460, -122.66430)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 30.0241  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Petaluma,
                CA Sonoma Co. United States  | 
            
                Petaluma Blvd. S / Caulfield Ln. (38.22730, -122.61820)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.3434  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | Construction began spring 2011. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Castaic,
                CA Los Angeles Co. United States  | 
            
                Hasley Canyon Rd. / I-5 NB Ramps (34.45605, -118.61520)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways 41.3614  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Yuba City,
                CA Sutter Co. United States  | 
            
                Butte Vista Ln. / Tres Picos Ln. (39.16908, -121.64820)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.8524  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Viera,
                FL Brevard Co. United States  | 
            
                Wickham Rd. / Lake Andrews Dr. (28.22975, -80.72577)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.5091  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Wilmington,
                DE New Castle Co. United States  | 
            
                W Park Dr. / E Park Dr. (39.77437, -75.54610)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 33.9632  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Clermont,
                OH Clermont Co. United States  | 
            
                Ferguson Dr. / (West Unknown) (39.09338, -84.28562)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 62.1051  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Clermont,
                OH Clermont Co. United States  | 
            
                Eastgate Blvd. / Ferguson Dr. (39.09343, -84.28097)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 65.5320  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2007 | Little speed control. | 
| 
                Newberg,
                OR Yamhill Co. United States  | 
            
                Brutscher St. / Hayes St. (45.30378, -122.94090)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.9211  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Newberg,
                OR Yamhill Co. United States  | 
            
                Providence Dr. / Hayes St. / Wenn Blvd. (45.30378, -122.93650)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.0409  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Year Completed estimated (2006-2010). ICD estimated from Google Maps linework. | 
| 
                Wilsonville,
                OR Clackamas Co. United States  | 
            
                SW Boeckman Rd. / Tooze Rd. (45.31616, -122.78790)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 40.3126  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Gorham,
                ME Cumberland Co. United States  | 
            
                Rte. 112 / Rte. 114 (43.65213, -70.42751)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 45.7999  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Gorham,
                ME Cumberland Co. United States  | 
            
                Rte. 112 / Rte. 4 (43.66904, -70.45676)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.8284  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Gorham,
                ME Cumberland Co. United States  | 
            
                Rte. 112 / Rte. 25 (43.67923, -70.46568)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.0054  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Caribou,
                ME Aroostook Co. United States  | 
            
                US 1 / Main St. (46.87866, -68.01031)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.7370  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Sanford,
                ME York Co. United States  | 
            
                Rte 109 (Main St.) / Rte 4 (Alfred Rd.-Country Club Rd.) (43.41111, -70.74237)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 44.2481  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Yield-controlled right-turn bypass lane on north leg. ICD estimated from Google Maps linework. | 
| 
                Auburn,
                ME Androscoggin Co. United States  | 
            
                Turner St. / North Parking (44.12178, -70.23315)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.2930  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Two right-turn bypass lanes. In shopping center. ICD estimated from Google Maps linework. | 
| 
                Auburn,
                ME Androscoggin Co. United States  | 
            
                Turner St. / South Parking (44.11903, -70.23272)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.7239  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Right-turn bypass lane. In shopping center. ICD estimated from Google Maps linework. | 
| 
                Biddeford,
                ME York Co. United States  | 
            
                (parking access) / (parking lot) (43.47416, -70.51186)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.3347  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Separate right-turn lane on one approach. In shopping center. ICD estimated from Google Maps linework. | 
| 
                Augusta,
                ME Kennebec Co. United States  | 
            
                Cony Circle (Rte. 9 / Rte. 100 / Rte. 17 / Rte. 105) (44.31622, -69.76796)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                5 Approaches 0 Driveways 55.5448  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Converted from old traffic circle to roundabout. Previously controlled by circle ICD estimated from Google Maps linework. | 
| 
                Calais,
                ME Washington Co. United States  | 
            
                US 1 / Border Station Connection (45.16136, -67.29103)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 32.0012  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Augusta,
                ME Kennebec Co. United States  | 
            
                US 202 / Rte. 17 / Rte. 11 / Rte. 27 (44.31047, -69.77929)  | 
            
                Rotary Existing  | 
            
                Unknown Unknown  | 
            
                5 Approaches 0 Driveways 71.7881  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Bangor,
                ME Penobscot Co. United States  | 
            
                Maine Ave. / Vermont Ave. / Texas Ave. (44.81051, -68.80379)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.8234  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Lingelstown,
                PA Dauphin Co. United States  | 
            
                Lingelstown Rd. / N. Mountain Rd. (40.34341, -76.79206)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 20.9367  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | Previously controlled by two-way stop ICD estimated from Google Maps linework. | 
| 
                Lingelstown,
                PA Dauphin Co. United States  | 
            
                Lingelstown Rd. / Blue Mountain Pkwy. (40.34253, -76.79711)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.5782  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | Previously controlled by two-way stop ICD estimated from Google Maps linework. | 
| 
                Campbelltown,
                PA Lebanon Co. United States  | 
            
                SR 117 / Northside Dr. (40.28457, -76.57339)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 31.8879  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | Yield-controlled right-turn bypass lane on north leg. ICD estimated from Google Maps linework. | 
| 
                Rochester Township,
                PA Beaver Co. United States  | 
            
                SR 68 (Adams St.) / Brighton Ave. / Rhode Island Ave. (40.70171, -80.28525)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 78.7731  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | Oval shape. Replaced two closely spaced signalized intersections. ICD estimated from Google Maps linework. | 
| 
                Pasadena,
                TX Harris Co. United States  | 
            
                Washburn Tunnel / Richey St. / Red Bluff Rd. (29.71813, -95.21172)  | 
            
                Rotary Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 140.2080  | 
            
                Other (At-Grade) Unknown  |   
            1950 | Southeast approach was intended to be an extension of N Main Street, but was never completed. | 
| 
                Pasadena,
                TX Harris Co. United States  | 
            
                Washburn Tunnel / Clinton Dr. (29.73277, -95.21194)  | 
            
                Rotary Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 140.2080  | 
            
                Other (At-Grade) Unknown  |   
            1950 | . | 
| 
                Truckee,
                CA Nevada Co. United States  | 
            
                Hwy 89 / Henness Rd. / Donner Pass Rd. (39.34103, -120.17220)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 52.6496  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Truckee,
                CA Nevada Co. United States  | 
            
                Prosser Dam Rd. / Henness Rd. (39.34961, -120.16790)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.5541  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Springfield,
                OR Lane Co. United States  | 
            
                S. 42nd Street / Jasper Rd. (44.03482, -122.96210)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.1932  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Bike lanes are dropped/resumed at the roundabout using an eight foot wide “dust pan” style driveway that is oriented perpendicular to the street centerline. ICD estimated from Google Maps linework. | 
| 
                Scaggsville,
                MD Howard Co. United States  | 
            
                MD 216 / Maple Lawn Blvd. (39.14710, -76.90723)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 40.7543  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2005 | Series of 4 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Scaggsville,
                MD Howard Co. United States  | 
            
                MD 216 / Westside Blvd. (39.14796, -76.90977)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.6801  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Series of 4 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Scaggsville,
                MD Howard Co. United States  | 
            
                Westside Blvd. / (parking lot) (39.14952, -76.90856)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.4909  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Scaggsville,
                MD Howard Co. United States  | 
            
                Maple Lawn Blvd. / Tawes St. (39.15364, -76.90125)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.2675  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Scaggsville,
                MD Howard Co. United States  | 
            
                Maple Lawn Blvd. / Iager Blvd. (39.15816, -76.90440)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 33.3392  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2005 | 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. | 
| 
                Montgomery,
                AL Montgomery Co. United States  | 
            
                Washington Ave. / S. Bainbridge St. (32.37648, -86.30121)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 18.1560  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Opened July 2008. ICD estimated from Google Maps linework. | 
| 
                Montgomery,
                AL Montgomery Co. United States  | 
            
                S. Ripley St. / Washington Ave. (32.37658, -86.29808)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 14.1213  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Opened April 2008. ICD estimated from Google Maps linework. | 
| 
                Miami,
                FL Miami-Dade Co. United States  | 
            
                SW 16th St. / University Dr. (25.75435, -80.37009)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.1950  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Kinston,
                NC Lenoir Co. United States  | 
            
                King St. (NC 55) / MLK Jr. Blvd. (NC 11) / S Tiffany St. (35.25871, -77.57288)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only)  | 
            
                4 Approaches 0 Driveways 46.8112  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2011 | At-grade railroad crossings 310 ft from roundabout on west leg and 330 ft from roundabout on south leg. ICD estimated from Google Maps linework. | 
| 
                Ocean Isle,
                NC Brunswick Co. United States  | 
            
                First St. / Causeway Dr. (33.88773, -78.43643)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 30.7350  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Southport,
                NC Brunswick Co. United States  | 
            
                E. Moore St. / Ferry Rd. (33.93311, -78.00687)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.7458  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Wilmington,
                NC New Hanover Co. United States  | 
            
                Porters Neck Rd. / Edgewater Club Rd. (34.29313, -77.77590)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.6413  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Wilmington,
                NC New Hanover Co. United States  | 
            
                Middle Sound Loop Rd. / Darden Rd. (34.26721, -77.80954)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.6235  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Tarboro,
                NC Edgecombe Co. United States  | 
            
                US 64-NC 33 / Ablemarle Ave. (35.89466, -77.53307)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.0581  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Durham,
                NC Durham Co. United States  | 
            
                Arrington Park Dr. / (unnamed) (35.88219, -78.82926)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 27.0949  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Durham,
                NC Durham Co. United States  | 
            
                Langdon Dr. / Colonial Grand (35.88054, -78.82708)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.1923  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Durham,
                NC Durham Co. United States  | 
            
                Langdon Dr. / Arrington Park Dr. (35.88206, -78.82700)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.0626  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. |