| 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. |