| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Tacoma,
                WA Thurston Co. United States  | 
            
                N. 37th St. / Stevens St. / Mason Ave. (47.28197, -122.49590)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 21.8760  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | One leg skewed at ~60 degrees. Opened April 2007. Previously controlled by two-way stop ICD estimated from Google Maps linework. | 
| 
                Arlington,
                WA Snohomish Co. United States  | 
            
                W. Division St. / N. West Ave. (48.19864, -122.12800)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.8628  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | September 2002. ICD estimated from Google Maps linework. | 
| 
                Arlington,
                WA Snohomish Co. United States  | 
            
                E. Division St. / N. Broadway St. (48.19858, -122.12530)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 23.8824  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | September 2002. ICD estimated from Google Maps linework. | 
| 
                Fall City,
                WA King Co. United States  | 
            
                SR 202 / SR 203 (47.56919, -121.88690)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 21.7569  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Completed October 2007. ICD estimated from Google Maps linework. | 
| 
                Dupont,
                WA Thurston Co. United States  | 
            
                Hoffman Hill Blvd. / Burnside Pl. (47.09605, -122.67150)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 26.8311  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Completed January 2004. ICD estimated from Google Maps linework. | 
| 
                Dupont,
                WA Thurston Co. United States  | 
            
                McNeil St. / Gaul Ave. (47.09734, -122.66080)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.0174  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Completed May 2001. ICD estimated from Google Maps linework. | 
| 
                Dupont,
                WA Thurston Co. United States  | 
            
                McNeil St. / Marshall Cir. (47.09618, -122.65520)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 26.8311  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Completed May 2001. ICD estimated from Google Maps linework. | 
| 
                Ferndale,
                WA Whatcom Co. United States  | 
            
                Vista Dr. / Malloy Ave. / Ferndale Terr. (48.85251, -122.59620)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.3640  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Opened September 2007. ICD estimated from Google Maps linework. | 
| 
                Covington,
                WA King Co. United States  | 
            
                SE 256th St. / 164th Ave. SE (47.37256, -122.12290)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.1477  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2007 | Open September 2007. ICD estimated from Google Maps linework. | 
| 
                Covington,
                WA King Co. United States  | 
            
                172nd Ave. SE / SE 270th Pl. (47.35939, -122.11240)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.7885  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Colville,
                WA Stevens Co. United States  | 
            
                SR 395 / Railroad Ave. (48.54959, -117.91250)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 37.9494  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Opened October 2007. ICD estimated from Google Maps linework. | 
| 
                Chehalis,
                WA Lewis Co. United States  | 
            
                NW Louisiana Ave. / Wal-Mart-Home Depot Access (46.67881, -122.97600)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.3319  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | Opened September 2006. Fourth leg opened late 2015/early 2016. ICD estimated from Google Maps linework. | 
| 
                Bellingham,
                WA Whatcom Co. United States  | 
            
                Mitchell Way / Bellingham Airport Access Rd. (48.79757, -122.53080)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 31.4692  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Bountiful,
                UT Davis Co. United States  | 
            
                Main St. / 1500 South / 200 West (40.87477, -111.88570)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 27.9955  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Construction is concrete. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Hoffman Estates,
                IL Cook Co. United States  | 
            
                Essex Dr. / Beacon Pointe Dr. (42.06310, -88.23064)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 29.2604  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Roundabout pictures available at Village Website http://www.hoffmanestates.org/government/departments-comdev-transportation.shtml#InterestandInfo Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Bellevue,
                WA King Co. United States  | 
            
                Landerholm Rd. / South Perimeter Cir. (47.58438, -122.14600)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.8343  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Opened July 2003. Entrance to Bellevue Community College. ICD estimated from Google Maps linework. | 
| 
                Federal Way,
                WA King Co. United States  | 
            
                S 317th St. / 28th Ave. S / I-5 HOV Access Ramps (47.31781, -122.29760)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 40.4836  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2006 | Opened February 2006. ICD estimated from Google Maps linework. | 
| 
                Federal Way,
                WA King Co. United States  | 
            
                16th Ave. S / Todd Beamer High School entrance (47.27650, -122.31360)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 29.9813  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Opened September 2003. Access to high school. ICD estimated from Google Maps linework. | 
| 
                Federal Way,
                WA King Co. United States  | 
            
                S 334th St. / 38th Ave. S (47.30278, -122.28610)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 28.3466  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Opened January 2006. ICD estimated from Google Maps linework. | 
| 
                Gig Harbor,
                WA Pierce Co. United States  | 
            
                Borgen Blvd. / Peacock Hill Ave. NW (47.35992, -122.58930)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.6979  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Opened January 2006. ICD estimated from Google Maps linework. | 
| 
                Gig Harbor,
                WA Pierce Co. United States  | 
            
                Borgen Blvd. / Harbor Hill Dr. (47.35993, -122.60160)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.8333  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Opened March 2007. ICD estimated from Google Maps linework. | 
| 
                Gig Harbor,
                WA Pierce Co. United States  | 
            
                Point Fosdick Dr. NW / NW 36th St. (47.29077, -122.57790)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.3530  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Opened September 2005. ICD estimated from Google Maps linework. | 
| 
                Howard,
                WI Brown Co. United States  | 
            
                Glendale Ave. / Evergreen Ave. (44.57615, -88.11939)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.9252  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Opened November 2008. ICD estimated from Google Maps linework. | 
| 
                Lakewood,
                WA Pierce Co. United States  | 
            
                Main St. SW / 5th Ave. SW (47.16198, -122.51570)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 28.4220  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Completed June 2002. ICD estimated from Google Maps linework. | 
| 
                New Bern,
                NC Craven Co. United States  | 
            
                Broad St. / Front St. (35.10776, -77.03563)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 27.3573  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Part of enhancement project. ICD estimated from Google Maps linework. | 
| 
                Chapel Hill,
                NC Durham Co. United States  | 
            
                Ephesus Church Rd. / Pope Rd. (35.93135, -78.99929)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 27.0780  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Built by developer. ICD estimated from Google Maps linework. | 
| 
                Durham,
                NC Durham Co. United States  | 
            
                NC 751 / Old Erwin Rd. (36.00068, -78.96225)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 27.0543  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Spot safety project. Right-turn bypass lane. ICD estimated from Google Maps linework. | 
| 
                Durham,
                NC Durham Co. United States  | 
            
                Circuit Dr. / Research Dr. (36.00615, -78.94078)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 22.2216  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | New north-south road through Duke University campus. ICD estimated from Google Maps linework. | 
| 
                Durham,
                NC Durham Co. United States  | 
            
                Towerview Rd. / Campus Dr. (35.99779, -78.93916)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 24.1565  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | New entrance to parking areas on Duke University campus. ICD estimated from Google Maps linework. | 
| 
                Durham,
                NC Durham Co. United States  | 
            
                Woodcroft Pkwy. / Highgate Rd. (35.92228, -78.93601)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 34.8186  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | City safety project in lieu of signal. ICD estimated from Google Maps linework. | 
| 
                Durham,
                NC Durham Co. United States  | 
            
                Southpoint Auto Park Blvd. / Johnson Victory Cir. (35.90882, -78.94987)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 42.5633  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Built by developer. ICD estimated from Google Maps linework. | 
| 
                Durham,
                NC Durham Co. United States  | 
            
                Glendale Ave. / Washington St. (36.02251, -78.90046)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 34.7744  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Modified circle, part of I-85 detour route. ICD estimated from Google Maps linework. | 
| 
                Wake Forest,
                NC Wake Co. United States  | 
            
                South Ave. (NC 98-US 1 Alt) / S Main St. (35.97893, -78.51203)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 21.2627  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Moving Ahead project. ICD estimated from Google Maps linework. | 
| 
                Greensboro,
                NC Guilford Co. United States  | 
            
                Bluford St. / Obemeyer St. (36.07512, -79.77265)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 23.1675  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | North Carolina A&T University campus redevelopment. ICD estimated from Google Maps linework. | 
| 
                Concord,
                NC Cabarrus Co. United States  | 
            
                Cabarrus Ave. / Old Charlotte Rd. / Cascade Dr. (35.40025, -80.59350)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.8617  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | TIP project. ICD estimated from Google Maps linework. | 
| 
                Winston-Salem,
                NC Forsyth Co. United States  | 
            
                Turfwood Dr. / Long Creek Dr. (36.19996, -80.32156)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 1 Driveways 29.8771  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Built by developer. ICD estimated from Google Maps linework. | 
| 
                Clemmons,
                NC Forsyth Co. United States  | 
            
                Kinnamon Rd. / Kinnamon Ct. / Bay Meadows Ct. (36.04185, -80.38411)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.8345  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Built by developer. ICD estimated from Google Maps linework. | 
| 
                Marysville,
                WA Snohomish Co. United States  | 
            
                Shoultes Rd. / 51st Ave. NE / 108th St. NE (48.09268, -122.16210)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 29.5158  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | Opened September 2006. ICD estimated from Google Maps linework. | 
| 
                Marysville,
                WA Snohomish Co. United States  | 
            
                34th Ave. NE / Quil Ceda Blvd. (48.10637, -122.18610)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 35.0906  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2007 | Opened May 2007. ICD estimated from Google Maps linework. | 
| 
                Kinderhook,
                NY Columbia Co. United States  | 
            
                US 9 / Rte 9H / State Farm Rd. (42.42835, -73.68868)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 38.7886  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | This was built to replace traffic lights when a shopping plaza was being added - US Route 9 has North and South, State Rt 9H South, State Farm Road (Town Road) and the entrance to the plaza, which makes it an unusual set up (5 Entries with 9 and 9H creating a Y shape, and then the plaza/state farm entries across from each other, going across the stem of the Y). ICD estimated from Google Maps linework. | 
| 
                Whitehorse,
                YT N/A Canada  | 
            
                Hamilton Blvd. / McIntyre Dr. (60.71350, -135.10290)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 37.3912  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Whitehorse,
                YT N/A Canada  | 
            
                4th Ave. / Robert Service Way (60.71251, -135.05100)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 22.7860  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Year Completed estimated (2004-2010). ICD estimated from Google Maps linework. | 
| 
                Kill Devil Hills,
                NC Dare Co. United States  | 
            
                Veterans Dr. / (high school) (36.00637, -75.66875)  | 
            
                Other Existing  | 
            
                Uncontrolled None  | 
            
                3 Approaches 0 Driveways 45.4086  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Built for new high school. ICD estimated from Google Maps linework. | 
| 
                Charlotte,
                NC Mecklenburg Co. United States  | 
            
                Park Rd. / Brookside Ave. / Tremont Ave. (35.20321, -80.85256)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 17.5662  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | City- possible traffic calming location. ICD estimated from Google Maps linework. | 
| 
                Charlotte,
                NC Mecklenburg Co. United States  | 
            
                Moores Chapel Rd. / I-485 NB Ramp (35.27366, -80.96478)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 37.0520  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2005 | Interchange terminal. Fatal crash May 14, 2008. ICD estimated from Google Maps linework. | 
| 
                Charlotte,
                NC Mecklenburg Co. United States  | 
            
                Moores Chapel Rd. / I-485 SB Ramp (35.27376, -80.96779)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 37.0520  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2005 | Interchange terminal. Fatal crash June 28, 2011. ICD estimated from Google Maps linework. | 
| 
                Davidson,
                NC Mecklenburg Co. United States  | 
            
                Griffith St. / Davidson Gateway Dr. (35.50277, -80.86375)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 36.9469  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | Built by developer - multilane existing intersection. ICD estimated from Google Maps linework. | 
| 
                Davidson,
                NC Mecklenburg Co. United States  | 
            
                Griffith St. / Jetton St. (35.50210, -80.86121)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 39.8641  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | Built by developer - multilane existing intersection. ICD estimated from Google Maps linework. | 
| 
                Huntersville,
                NC Mecklenburg Co. United States  | 
            
                Stumptown Rd. / Hugh Torance Pkwy. (35.42301, -80.87071)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 58.3951  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Built by developer. ICD estimated from Google Maps linework. | 
| 
                Norwood,
                NC Stanly Co. United States  | 
            
                Cottonville Rd. / S. Stanly School Rd. (35.23319, -80.16761)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 33.1684  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Waxhaw,
                NC Union Co. United States  | 
            
                Waxhaw-Indian Trl. / Potter Rd. (35.02373, -80.69185)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 33.2538  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Safety location. ICD estimated from Google Maps linework. | 
| 
                Gastonia,
                NC Gaston Co. United States  | 
            
                Gaston Day School Rd. / Kendrick Rd. (35.21435, -81.13301)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 32.2003  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Safety problem - did not meet signal warrants. ICD estimated from Google Maps linework. | 
| 
                McAdenville,
                NC Gaston Co. United States  | 
            
                Wesleyan Ave. / Church St. (35.25438, -81.07686)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 75.0970  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Asheville,
                NC Buncombe Co. United States  | 
            
                Bleachery Blvd. / Wal-Mart parking lot entrance (35.57649, -82.51315)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 36.9130  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Built by developer - entrance to Wal-Mart parking lot. ICD estimated from Google Maps linework. | 
| 
                Waynesville,
                NC Haywood Co. United States  | 
            
                US 23B (Asheville Rd.-N Main St) / Ratcliffe Cove Rd. / Zemery Ln. (35.49899, -82.96632)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 38.8933  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | TIP project. Right turn bypass lane. Fatal crash June 5, 2007. ICD estimated from Google Maps linework. | 
| 
                Waynesville,
                NC Haywood Co. United States  | 
            
                Hyatt Creek Rd. / US 23-US 74 SB Ramps (35.46494, -83.01322)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 30.1551  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Columbus,
                NC Polk Co. United States  | 
            
                NC 108 / I-26 EB Ramps (35.24493, -82.20628)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 35.1144  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2004 | Part of interchange - two-lane bridge. ICD estimated from Google Maps linework. | 
| 
                Columbus,
                NC Polk Co. United States  | 
            
                NC 108 / I-26 WB Ramps (35.24627, -82.20499)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 34.1384  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2007 | Part of interchange - two-lane bridge. ICD estimated from Google Maps linework. | 
| 
                Concord,
                NC Mecklenburg Co. United States  | 
            
                Christenbury Rd. / Millstream Ridge Dr. (35.38115, -80.74506)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 27.2652  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Developer subdivision. ICD estimated from Google Maps linework. | 
| 
                Mount Vernon,
                WA Skagit Co. United States  | 
            
                SR 538 (E College Way) / SR 9 (48.43002, -122.26460)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 1 Driveways 38.0389  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Opened July 2007. Rural. Fatal crash December 22, 2011. 11861-05. ICD estimated from Google Maps linework. | 
| 
                North Bend,
                WA King Co. United States  | 
            
                SR 202 / I-90 EB Ramps (47.48782, -121.79730)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 41.9673  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2007 | Opened November 2007. ICD estimated from Google Maps linework. | 
| 
                Olympia,
                WA Thurston Co. United States  | 
            
                Evergreen Pkwy. NW / McCann Plaza (47.06936, -122.97440)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 42.3006  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Entrance to college. Opened November 2005. ICD estimated from Google Maps linework. | 
| 
                Olympia,
                WA Thurston Co. United States  | 
            
                14th Ave. SE / E Bay Dr. / Henderson Blvd. SE (47.02971, -122.89140)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 33.3772  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Opened July 2005. Southbound right turn bypass lane. ICD estimated from Google Maps linework. | 
| 
                Sammamish,
                WA King Co. United States  | 
            
                Issaquah Pine Lake Rd. / SE 32nd Way (47.57894, -122.02810)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 33.8378  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Opened March 2005. ICD estimated from Google Maps linework. | 
| 
                Sequim,
                WA Clallam Co. United States  | 
            
                N Sequim Ave. / Old Olympic Hwy. (48.09418, -123.10230)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 25.5265  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Opened September 2005. ICD estimated from Google Maps linework. | 
| 
                Sequim,
                WA Clallam Co. United States  | 
            
                W Washington St. / River Rd. (48.07758, -123.13480)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 31.9184  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Opened June 2004. Northbound right turn bypass lane. ICD estimated from Google Maps linework. | 
| 
                Spokane,
                WA Spokane Co. United States  | 
            
                E. Sharp Ave. / N. Columbus St. (47.66950, -117.39490)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 22.5195  | 
            
                Other (At-Grade) Single-Lane  |   
            1992 | September 1992. ICD estimated from Google Maps linework. | 
| 
                Tacoma,
                WA Pierce Co. United States  | 
            
                49th Ave. NE / 33rd St. NE / Norpoint Way NE (47.28643, -122.38220)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 25.9249  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Opened December 2004. ICD estimated from Google Maps linework. | 
| 
                Tacoma,
                WA Pierce Co. United States  | 
            
                S Tyler St. / S 66th St. (47.19746, -122.49280)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 25.9685  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Opened July 2005. Fatal crash August 12. 2006. 11861-05. ICD estimated from Google Maps linework. | 
| 
                Vancouver,
                WA Clark Co. United States  | 
            
                W. 6th St. / Esther St. (45.62572, -122.67610)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 29.2336  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Opened June 2005. ICD estimated from Google Maps linework. | 
| 
                Vancouver,
                WA Clark Co. United States  | 
            
                NE 137th Ave. / NE 49th St. (45.65733, -122.53190)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 40.0691  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Opened January 2008. ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Monte Vista Dr. East / W. 22nd St. (40.41451, -105.13180)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 24.5519  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Monte Vista Dr. West / W. 22nd St. (40.41449, -105.13290)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 26.3706  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                New Castle Dr. / Tabernash Dr. (40.42599, -105.12010)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 24.5477  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                White Center,
                WA King Co. United States  | 
            
                10th Ave. SW / SW 100th St. (47.51379, -122.34770)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 12.1000  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2006 | Opened April 2006. Previously controlled by two-way stop ICD estimated from Google Maps linework. | 
| 
                White Center,
                WA King Co. United States  | 
            
                9th Ave. SW / SW 100th St. (47.51379, -122.34640)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 14.5200  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2006 | Opened April 2006. Previously controlled by two-way stop Functional Class: Neighborhood Collector ICD estimated from Google Maps linework. | 
| 
                Woodinville,
                WA King Co. United States  | 
            
                136th Ave. NE / Woodinville High School Entrance (47.77161, -122.15860)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 25.6862  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Opened October 2003. ICD estimated from Google Maps linework. | 
| 
                University Place,
                WA Pierce Co. United States  | 
            
                64th St W / Park Entrance (47.19891, -122.56530)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 28.4022  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Completed before July 2004. ICD estimated from Google Maps linework. | 
| 
                University Place,
                WA Pierce Co. United States  | 
            
                Cirque Dr. W / Alameda Ave. W / 56th St. W (47.20639, -122.51600)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 54.3624  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Completed December 2002. ICD estimated from Google Maps linework. | 
| 
                University Place,
                WA Pierce Co. United States  | 
            
                40th St. W / Drexler Dr. W (47.22084, -122.53430)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 31.6351  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Completed June 2006. ICD estimated from Google Maps linework. | 
| 
                Lacey,
                WA Thurston Co. United States  | 
            
                Vashon Dr. NE / Columbia Way NE (47.09724, -122.77000)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 26.0175  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Opened December 2005. ICD estimated from Google Maps linework. | 
| 
                Lacey,
                WA Thurston Co. United States  | 
            
                Britton Pkwy. NE / Gateway Blvd. (47.06858, -122.78590)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 42.3012  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2007 | Opened September 2007. ICD estimated from Google Maps linework. | 
| 
                Annapolis Junction,
                MD Anne Arundel Co. United States  | 
            
                Guilford Rd. / MD 32 WB Ramps (39.12294, -76.78472)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 32.4293  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2002 | Bypass lanes on all legs. ICD estimated from Google Maps linework. | 
| 
                Hampstead,
                MD Carroll Co. United States  | 
            
                MD 88 / MD 833 (39.60434, -76.83682)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 34.0470  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Chaptico,
                MD St. Marys Co. United States  | 
            
                MD 234 / MD 238 (38.36791, -76.78179)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 35.5833  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Clarksville,
                MD Howard Co. United States  | 
            
                Brighton Dam Rd. / Ten Oaks Rd. (39.20491, -76.95455)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 35.1680  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Deale,
                MD Anne Arundel Co. United States  | 
            
                MD 256 / MD 258 (38.79327, -76.54586)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 34.4423  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Bel Air,
                MD Harford Co. United States  | 
            
                Constant Friendship Blvd. / BJ's (39.45546, -76.31870)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 29.5092  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Hughesville,
                MD Charles Co. United States  | 
            
                MD 231 / MD 5 NB Ramps (38.53426, -76.77790)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 54.1863  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Hughesville,
                MD Charles Co. United States  | 
            
                MD 231 / MD 5 SB Ramps (38.53381, -76.77969)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 58.8579  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Sculptor Dr. / Corvus Dr. (40.39647, -105.03130)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 37.2926  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Tacanecy Dr. / Marcy Dr. (40.39230, -105.12140)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 29.1082  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Tiger Ave. / Angora Dr. (40.37680, -105.12750)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 28.2050  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Valley Oak Dr. / Clearwater Dr. (40.44328, -105.02180)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 34.5398  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Date estimated. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Parker,
                CO Douglas Co. United States  | 
            
                Main St. / (unknown) (39.51799, -104.75580)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 19.3480  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Grand Junction,
                CO Mesa Co. United States  | 
            
                Independent Ave. / Sams Club entrance (39.08170, -108.58310)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 33.3754  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Serves commercial development parking lot. ICD estimated from Google Maps linework. | 
| 
                Grand Junction,
                CO Mesa Co. United States  | 
            
                Colorado Ave. / S. 2nd St. (39.06636, -108.56950)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 25.9643  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Grand Junction,
                CO Mesa Co. United States  | 
            
                G Rd. / 25th Rd. (39.10636, -108.58940)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 30.5834  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Grand Junction,
                CO Mesa Co. United States  | 
            
                G Rd. / 24 1 / 2 Rd. (39.10635, -108.59870)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 34.2905  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                University of Colorado - Colorado Springs (38.89215, -104.80190)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 36.2537  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. |