| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Kennewick,
                WA Benton Co. United States  | 
            
                Ridgeline Dr. / Plaza Way (46.17430, -119.19500)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 43.0057  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2013 | Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Bellingham,
                WA Whatcom Co. United States  | 
            
                Northwest Ave. / I-5 NB Ramp (48.78500, -122.50420)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 35.4117  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2010 | RT bypass lane on southbound approach. ICD estimated from Google Maps linework. | 
| 
                Everett,
                WA Snohomish Co. United States  | 
            
                13th St. / 1st Ave. (48.00026, -122.21570)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 27.1714  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Ferndale,
                WA Whatcom Co. United States  | 
            
                I-5 SB Ramps / 2nd St. / Portal Way (48.85686, -122.58840)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.8616  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Anacortes,
                WA Skagit Co. United States  | 
            
                Commercial Ave. / SR20 Spur (48.49332, -122.61280)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 34.8256  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Issaquah,
                WA King Co. United States  | 
            
                East Lake Sammamish Parkway / SE 43rd Way (47.56792, -122.05500)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 38.6799  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Lake Stevens,
                WA Snohomish Co. United States  | 
            
                Lundeen Parkway / Soper Hill Rd. (48.01557, -122.10010)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 29.5601  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Ocean Shores,
                WA Grays Harbor Co. United States  | 
            
                Point Brown Ave / Chance a la Mer (47.00745, -124.16140)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 39.9064  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Granite Falls,
                WA Snohomish Co. United States  | 
            
                Granite Falls Access Rd. / Burn Rd. (NE 100th St.) (48.08656, -121.99060)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.2954  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | November 2010. ICD estimated from Google Maps linework. | 
| 
                Granite Falls,
                WA Snohomish Co. United States  | 
            
                Granite Falls Access Rd. / Jordan Rd (48.09135, -121.97980)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 55.0445  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | November 2010. ICD estimated from Google Maps linework. | 
| 
                Granite Falls,
                WA Snohomish Co. United States  | 
            
                Granite Falls Access Rd. / SR 92 (48.08332, -121.99000)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.2978  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | May 2010. ICD estimated from Google Maps linework. | 
| 
                Sammamish,
                WA King Co. United States  | 
            
                244th Ave NE / NE 8th St (47.61673, -122.01390)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.0083  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Sammamish,
                WA King Co. United States  | 
            
                244th Ave. NE / E Main Dr. (47.60881, -122.01390)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 22.5457  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Wenatchee,
                WA Chelan Co. United States  | 
            
                Riverside Dr. / 5th St. (47.43215, -120.31267)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 25.0455  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | October 2009. ICD estimated from Google Maps linework. | 
| 
                Lynden,
                WA Whatcom Co. United States  | 
            
                SR 539 / Ten Mile Rd. (48.86968, -122.48580)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 46.3503  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Lynden,
                WA Whatcom Co. United States  | 
            
                SR 539 / Pole Rd. (48.89152, -122.48560)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 47.1153  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Lynden,
                WA Whatcom Co. United States  | 
            
                SR 539 / Wiser Lake Rd. (48.90677, -122.48560)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 47.1009  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Auburn,
                WA King Co. United States  | 
            
                124 Ave. SE / SE 304th St. (47.32978, -122.17640)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.1891  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | July 2008. ICD estimated from Google Maps linework. | 
| 
                Blaine,
                WA Whatcom Co. United States  | 
            
                I-5 SB Ramps / Peace Portal Dr. / Marine Dr. (48.99723, -122.75250)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only)  | 
            
                4 Approaches 0 Driveways 26.6422  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2010 | May 2010. Roundabout is ~200 ft from railroad crossing. ICD estimated from Google Maps linework. | 
| 
                Blaine,
                WA Whatcom Co. United States  | 
            
                I-5 NB Ramps / D St. / 2nd St. (48.99810, -122.75140)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.6939  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2010 | May 2010. ICD estimated from Google Maps linework. | 
| 
                Blaine,
                WA Whatcom Co. United States  | 
            
                SR 548 (Grandview Rd.) / Blaine Rd. / (parking) (48.89206, -122.72655)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | September 2010. Merging right-turn bypass lane on south leg. Right-turn-oinly lane on north leg. | 
| 
                Bremerton,
                WA Kitsap Co. United States  | 
            
                Cross SKIA Connector / Harry Earl Rd. (47.50340, -122.75060)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 32.2730  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | September 2010. ICD estimated from Google Maps linework. | 
| 
                Burlington,
                WA Skagit Co. United States  | 
            
                N Burlington Blvd. / (parking) (48.48060, -122.33544)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2008 | October 2008. Entrance to high school. | 
| 
                Burlington,
                WA Skagit Co. United States  | 
            
                SR 11 (Chuckanut Dr.) / I-5 SB Ramps / Josh Wilson Rd. (48.48585, -122.33867)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2010 | Right-turn-only lanes on east and west legs. Replaced two T-intersections. September 2010. | 
| 
                Burlington,
                WA Skagit Co. United States  | 
            
                SR 11 (Chuckanut Dr.) / I-5 NB Ramps / Old Hwy 99 (48.48359, -122.33559)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2010 | October 2010. Right-turn-only lanes on south and east legs. Merging right-turn-bypass lane on west leg. | 
| 
                Covington,
                WA King Co. United States  | 
            
                168th Pl. SE / Fred Meyer Entrance (47.35698, -122.11680)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 105.1794  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | November 2008. Entrance into Fred Meyer shopping center. ICD estimated from Google Maps linework. | 
| 
                Covington,
                WA King Co. United States  | 
            
                168th Pl. SE / Costco Entrance (47.35463, -122.11860)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6463  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | November 2008. Entrance into Costco shopping center. ICD estimated from Google Maps linework. | 
| 
                Covington,
                WA King Co. United States  | 
            
                SE Wax Rd. / 180th Ave. SE / SE 267th Pl. (47.36216, -122.10200)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 53.3935  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | September 2008. ICD estimated from Google Maps linework. | 
| 
                Deer Park,
                WA Spokane Co. United States  | 
            
                S Main St. / W H St. / E H St. (47.94695, -117.47693)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.4800  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | October 2010. Broke ground July 26, 2010. | 
| 
                Deer Park,
                WA Spokane Co. United States  | 
            
                E Crawford Ave. / Weber Rd. (47.95444, -117.45384)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | September 2009. | 
| 
                Federal Way,
                WA King Co. United States  | 
            
                S 333rd St. / Community Center Entrance (47.30548, -122.32380)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.1550  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | January 2006. ICD estimated from Google Maps linework. | 
| 
                Gig Harbor,
                WA Thurston Co. United States  | 
            
                Harbor Hill Dr. / (parking) (47.35845, -122.60116)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2008 | January 2008. | 
| 
                Lacey,
                WA Thurston Co. United States  | 
            
                Rainier Rd. SE / SE Balustrade Blvd. (46.98697, -122.82220)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Active Pedestrian Warning (flashing yellow)  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | September 2005. Horizon Pointe subdivision. Serves as primary access to Horizon Pointe Elementary School. | 
| 
                Lacey,
                WA Thurston Co. United States  | 
            
                (unknown) / (unknown)  (47.04571, -122.76216)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 30.4800  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Serves Lacey Regional Athletic Center. July 2007. | 
| 
                Lake Stevens,
                WA Snohomish Co. United States  | 
            
                (unknown) (48.01194, -122.04305)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways 30.4800  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | Entrance to Lake Stevens Community Park. January 2009. | 
| 
                Lynnwood,
                WA Snohomish Co. United States  | 
            
                Ash Way / 18th Ave. SW (47.85489, -122.25737)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 35.0520  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | October 2009. | 
| 
                Maple Valley,
                WA King Co. United States  | 
            
                Witte Rd. SE / SE 248th St. (47.37966, -122.04813)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | January 2011. | 
| 
                Monroe,
                WA Snohomish Co. United States  | 
            
                Country Crescent SE / County Crescent SE (47.86547, -121.96140)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 30.4800  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | July 2002. | 
| 
                Mount Vernon,
                WA Skagit Co. United States  | 
            
                Best Rd. / McLean Rd. (48.42070, -122.44380)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.4976  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | April 2009. On high-speed rural roadways. ICD estimated from Google Maps linework. | 
| 
                North Bend,
                WA King Co. United States  | 
            
                E North Bend Way / SE Cedar Falls Way / (parking) (47.49096, -121.77876)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | August 2008. | 
| 
                Olympia,
                WA Thurston Co. United States  | 
            
                Capitol Way N / Market St. NE / Corky Ave. NW / (parking) (47.05005, -122.90244)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0520  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | Painted splitter islands. June 1995. | 
| 
                Olympia,
                WA Thurston Co. United States  | 
            
                Boulevard Rd. SE / Log Cabin Rd. SE (47.01433, -122.86520)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.0870  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Opened November 2009. Left-turn only lanes on north and south legs with spiralling. ICD estimated from Google Maps linework. | 
| 
                Olympia,
                WA Thurston Co. United States  | 
            
                Jefferson St SE / 14th Ave. SE (47.03555, -122.89581)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2010 | Double-left turn from north leg; double-right turn from south leg. October 2010. | 
| 
                Olympia,
                WA Thurston Co. United States  | 
            
                Yelm Hwy SE / Boulevard Rd. SE (47.00397, -122.86540)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)  | 
            
                3 Approaches 1 Driveways 45.7200  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2011 | May 2011. Right-turn-only lane on north leg. Located about 1000 feet from Centennial Elementary School and serves as a walking and school bus route. | 
| 
                Olympia,
                WA Thurston Co. United States  | 
            
                Yelm Hwy SE / Brassfield Rd. SE (47.00372, -122.87309)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 45.7200  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2011 | May 2011. | 
| 
                Olympia,
                WA Thurston Co. United States  | 
            
                18th Ave. SE / Fones Rd. SE (47.03250, -122.84697)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Double-right turn on north leg. October 2010. | 
| 
                Olympia,
                WA Thurston Co. United States  | 
            
                18th Ave. SE / Hoffman Rd. SE / Ontario St. SE (47.03250, -122.84959)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.8175  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Opened October 2010. ICD estimated from Google Maps linework. | 
| 
                Redmond,
                WA King Co. United States  | 
            
                Eastridge Dr. NE / NE Cedar Park Crescent (47.69141, -122.01690)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 33.5280  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | |
| 
                Port Townsend,
                WA Jefferson Co. United States  | 
            
                SR 20 (Sims Way) / Howard St. / Evans Vista (48.10260, -122.80500)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | April 2010. | 
| 
                Port Townsend,
                WA Jefferson Co. United States  | 
            
                SR 20 (Sims Way) / Thomas St. (48.10333, -122.79891)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | July 2010. | 
| 
                Puyallup,
                WA Pierce Co. United States  | 
            
                15th Ave. SE / 3rd St. SE (47.17741, -122.29100)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.0040  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | June 2010. | 
| 
                Redmond,
                WA King Co. United States  | 
            
                152nd Ave. NE / NE 36th Pl. / NE 31st St. (47.63828, -122.13550)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 27.3615  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Near Microsoft campus. Moderate ped/bike volumes. ICD estimated from Google Maps linework. | 
| 
                Renton,
                WA King Co. United States  | 
            
                N 10th St. / N 10th Pl. (47.49781, -122.20468)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.5280  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | June 2008. | 
| 
                Richland,
                WA Benton Co. United States  | 
            
                Lee Blvd. / The Parkway (46.27484, -119.27433)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.9080  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | No splitter islands on north and south legs. Year Completed estimated (1996-2003). | 
| 
                Sedro-Woolley,
                WA Skagit Co. United States  | 
            
                SR 9-SR 20 (Cascade Loop) / Patrick St. / Skagit Way (48.51051, -122.24156)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | Elliptical shaped. ICD = 120 ft x 105 ft. August 2009. ICD estimated from Google Maps linework. | 
| 
                Selah,
                WA Yakima Co. United States  | 
            
                Gore Rd. / Selah Loop Rd. (46.67943, -120.53061)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | August 2008. Replaced triangle intersection. | 
| 
                Sequim,
                WA Clallam Co. United States  | 
            
                W Washington St. / S 9th Ave. (48.07909, -123.12400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | May 2007. | 
| 
                Snoqualmie,
                WA King Co. United States  | 
            
                North Bend Way / (Snoqualmie Casino entrance) (47.51671, -121.84100)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 33.5280  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2008 | Through bypass lane on west leg. October 2008. ICD estimated from Google Maps linework. | 
| 
                Spokane,
                WA Spokane Co. United States  | 
            
                W Pacific Ave. / S Cannon St. (47.65555, -117.44160)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | No splitter islands on north and south legs. Pedestrian crossings within circulatory roadway. April 2006. | 
| 
                Spokane Valley,
                WA Spokane Co. United States  | 
            
                E Montgomery Dr. / E Mansfield Ave. (47.67753, -117.24790)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | April 2009. | 
| 
                Spokane Valley,
                WA Spokane Co. United States  | 
            
                Flora Rd. / E Mission Ave. / E Indiana Pkwy. - E Mission Pkwy. (47.67154, -117.17516)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | E Indiana Pkwy is west leg entrance; E Mission Pkwy is west leg exit. November 2010. | 
| 
                Tumwater,
                WA Thurston Co. United States  | 
            
                Littlerock Rd. SW / Tumwater Blvd. SW (46.98283, -122.93544)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 45.7200  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2009 | July 2009. | 
| 
                Tumwater,
                WA Thurston Co. United States  | 
            
                Littlerock Rd. SW / Israel Rd. SW / 70th Ave. SW (46.98554, -122.93236)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2009 | October 2009. | 
| 
                Tumwater,
                WA Thurston Co. United States  | 
            
                Littlerock Rd. SW / Odegard Rd. SW (46.98985, -122.92650)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | June 2010. | 
| 
                Tumwater,
                WA Thurston Co. United States  | 
            
                Littlerock Rd. SW / Kingswood Dr. SW (46.99435, -122.92190)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2010 | September 2010. | 
| 
                Vancouver,
                WA Clark Co. United States  | 
            
                NE 10th Ave. / NE 136th St. / Clark Ave. (45.71980, -122.66037)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | Clark Ave. is one way exit. May 2011. | 
| 
                Walla Walla,
                WA Walla Walla Co. United States  | 
            
                Myra Rd. / W Pine St. / Heritage Rd. (46.06841, -118.36972)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 56.3880  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2008 | December 2008. | 
| 
                Walla Walla,
                WA Walla Walla Co. United States  | 
            
                Myra Rd. / SR 12 EB Ramps (46.06933, -118.36979)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 39.6240  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2010 | Raindrop shaped. July 2010. ICD estimated from Google Maps linework. | 
| 
                Walla Walla,
                WA Walla Walla Co. United States  | 
            
                Myra Rd. / SR 12 WB Ramps (46.07040, -118.36987)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.1000  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2010 | Raindrop shaped. July 2010. | 
| 
                Wenatchee,
                WA Chelan Co. United States  | 
            
                Riverside Dr. / Island View (47.43461, -120.31477)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 19.8120  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | Painted splitter islands. October 2009. | 
| 
                East Wenatchee,
                WA Douglas Co. United States  | 
            
                Grant Rd. / Airport Way / Urban Industrial Dr. (47.40592, -120.20780)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Add-lane right-turn bypass lanes on north and west legs. July 2010. | 
| 
                Woodinville,
                WA King Co. United States  | 
            
                SR 202 / NE 145th St. / 148th Ave. NE (47.73271, -122.14220)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 47.2440  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2009 | October 2009. | 
| 
                Woodinville,
                WA King Co. United States  | 
            
                SR 202 / Village Dr. / NE 144th St. (47.73111, -122.14040)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.4048  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Constructed as single-lane roundabout in October 2009 and expanded to include second lane northbound in 2021. | 
| 
                Woodinville,
                WA King Co. United States  | 
            
                SR 202 / (parking) (47.73280, -122.14400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.5280  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | October 2009. | 
| 
                Woodland,
                WA Cowlitz Co. United States  | 
            
                Insel Rd. / Willow St. (45.92237, -122.73400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0520  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | June 2009. | 
| 
                Woodland,
                WA Cowlitz Co. United States  | 
            
                Dike Access Rd. / Schurman Way / (parking) (45.92664, -122.75957)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | |
| 
                Woodland,
                WA Cowlitz Co. United States  | 
            
                Dike Access Rd. / I-5 NB Ramps (45.92780, -122.75522)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 42.6720  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2010 | Raindrop shaped. December 2010. | 
| 
                Woodland,
                WA Cowlitz Co. United States  | 
            
                Dike Access Rd. / I-5 SB Ramps (45.92699, -122.75780)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 42.6720  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2010 | December 2010. | 
| 
                Washougal,
                WA Clark Co. United States  | 
            
                SE Union St. / Front St. (45.57985, -122.38560)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.4371  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Washougal,
                WA Clark Co. United States  | 
            
                SE Union St. / 8th Ave. (45.58089, -122.38580)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.9288  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Washougal,
                WA Clark Co. United States  | 
            
                SE Port St. / Front St. (45.58009, -122.37780)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.4214  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Washougal,
                WA Clark Co. United States  | 
            
                SE Port St. / C St. (45.58099, -122.37780)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.2878  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Ridgefield,
                WA Clark Co. United States  | 
            
                SR 501 (Pioneer St.) / S 56th Pl. (45.81582, -122.69070)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 51.8160  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2012 | |
| 
                Ridgefield,
                WA Clark Co. United States  | 
            
                SR 501 (Pioneer St.) / S 65th Ave. (45.81600, -122.68230)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 54.8640  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2012 | |
| 
                Lynden,
                WA Whatcom Co. United States  | 
            
                SR 539 / River Rd. (48.92280, -122.48565)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 47.0858  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Auburn,
                WA Pierce Co. United States  | 
            
                Peasley Canyon Rd. / Peasley Canyon Way (47.30340, -122.27190)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 28.3463  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | Opened January 2012. ICD estimated from Google Maps linework. | 
| 
                Swinomish Tribal Community,
                WA Skagit Co. United States  | 
            
                Knudsen Ln. / Casino Dr. (48.45635, -122.51910)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.2668  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | Year Completed estimated (2012-2013). ICD estimated from Google Maps linework. | 
| 
                Yakima,
                WA Yakima Co. United States  | 
            
                E Valley Mall Blvd. / S Rudkin Rd. (46.56300, -120.47520)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 35.3102  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2010 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Yakima,
                WA Yakima Co. United States  | 
            
                E. Valley Mall Blvd. / I-82 EB Ramps (46.56298, -120.47290)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                5 Approaches 0 Driveways 54.1971  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Yakima,
                WA Yakima Co. United States  | 
            
                E. Valley Mall Blvd. / I-82 WB Ramps (46.56298, -120.47170)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 98.5403  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2011 | ICD estimated from Google Maps linework. | 
| 
                Anacortes,
                WA Skagit Co. United States  | 
            
                Pennsylvania Ave. / W 12th St. (48.49817, -122.65669)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Built for the purpose of traffic calming near a residential park area. Concrete-asphalt. | 
| 
                Redmond,
                WA King Co. United States  | 
            
                Eastridge Dr. NE / 244th Pl. NE (47.68499, -122.01300)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 16.8846  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2014 | Open July 2014. ICD estimated from Google Maps linework. | 
| 
                Lake Stevens,
                WA Snohomish Co. United States  | 
            
                Lundeen Park Way / Callow Rd. / Lakeview Dr. / Vernon Rd. (48.01797, -122.09050)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.9553  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | http://www1.co.snohomish.wa.us/Departments/Public_Works/Services/Roads/Projects/LundeenCallow.htm. Opened June 2006. 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. | 
| 
                Cle Elum,
                WA Kittitas Co. United States  | 
            
                Bullfrog Rd. / Suncadia Trl. (47.19987, -120.98731)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Completed July 2004. |