Roundabouts Database Index

28038 Results

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City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Yakima, WA Yakima Co. United States	N Fair Ave. / E Lincoln Ave. / N 10th St. / Bravo Company Blvd. (46.60868, -120.49385)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.0238	Other (At-Grade) Single-Lane	2015	https://www.yakimawa.gov/media/news/fair-avenue-roundabout-opening-to-traffic/ ICD estimated from Google Maps linework.
Raymond, WA Pacific Co. United States	US 101 / Henkle St. (SR 6) (46.68234, -123.73051)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.0389	Other (At-Grade) Single-Lane	2018	http://www.wsdot.wa.gov/Projects/US101/SR6IntersectionAndDrainage/default.htm ICD estimated from Google Maps linework.
Marysville, WA Snohomish Co. United States	Marine Dr. NE / 64th St. NE / 31st Ave. NE (48.05407, -122.18921)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.7229	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Date from Streetview ICD estimated from Google Maps linework.
Sultan, WA Snohomish Co. United States	US 2 / Rice Rd. (47.86794, -121.77764)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.4579	Other (At-Grade) Single-Lane	2012	https://www.seattletimes.com/seattle-news/transportation/after-multimillion-dollar-plan-to-boost-highway-2-safety-has-the-effort-borne-fruit/ ICD estimated from Google Maps linework.
Tacoma, WA Pierce Co. United States	E 29th St. / E 30th St. / E 28th St. (47.23811, -122.40505)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.5704	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Oak Harbor, WA Island Co. United States	Ault Field Rd. / Heller Rd. / Clover Valley Rd. (48.32575, -122.67444)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.3818	Other (At-Grade) Single-Lane	2018	Previous control type: One-way Yield. ICD estimated from Google Maps linework.
Burbank, WA Walla Walla Co. United States	SR 124 (Ice Harbor Dr.) / US 12 WB Ramps (46.20937, -119.01215)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.5397	Freeway Ramps (Grade-Separated) Single-Lane	2011	Yield-controlled right-turn bypass lane on north leg. ICD estimated from Google Maps linework.
Burbank, WA Walla Walla Co. United States	SR 124 (Ice Harbor Dr.) / US 12 EB Ramps / 5th St. / Gateway Rd. (46.20577, -119.01321)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.8889	Freeway Ramps (Grade-Separated) Single-Lane	2011	ICD estimated from Google Maps linework.
Bellingham, WA Whatcom Co. United States	SR 542 (Mt Baker Hwy.) / E Smith Rd. / Allison Rd. (48.83225, -122.30533)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 37.7369	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2014). ICD estimated from Google Maps linework.
Issaquah, WA King Co. United States	Maple St. NW / (parking lots) (47.54340, -122.05121)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.9614	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	ICD estimated from Google Maps linework.
Clarkston, WA Asotin Co. United States	5th St. / Fleshman Way WB Ramps (46.39754, -117.04430)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 33.7705	Freeway Ramps (Grade-Separated) Single-Lane	2017	ICD estimated from Google Maps linework.
Clarkston, WA Asotin Co. United States	5th St. / Fleshman Way EB Ramps (46.39672, -117.04444)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 33.7710	Freeway Ramps (Grade-Separated) Single-Lane	2017	ICD estimated from Google Maps linework.
Black Diamond, WA King Co. United States	SE Auburn Black Diamond Rd. / Roberts Dr. / Lake Sawyer Rd. SE (47.31151, -122.02996)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.2005	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Everson, WA Whatcom Co. United States	SR 542 (Mount Baker Hwy.) / Lawrence Rd. (48.84341, -122.28884)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 29.0824	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Deming, WA Whatcom Co. United States	SR 542 (Mount Baker Hwy) / Valley Hwy (48.81605, -122.20267)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.8847	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Anacortes, WA Skagit Co. United States	SR 20 / SR 20 Spur (48.46352, -122.58156)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 53.8530	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Deer Park, WA Spokane Co. United States	US 395 / W Monroe Rd. / W Crawford St. (47.95398, -117.48830)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.7936	Other (At-Grade) Single-Lane	2018	Opened August 21, 2018. ICD estimated from Google Maps linework.
East Wenatchee, WA Douglas Co. United States	Sunset Hwy (SR 28) / 5th St. NE (47.41003, -120.29177)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.3716	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Ellensburg, WA Kittitas Co. United States	US 97 / W University Way / N Dolarway Rd. (47.00659, -120.58616)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.8349	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Ferndale, WA Whatcom Co. United States	SR 548 (Grandview Rd.) / Kickerville Rd. (48.89209, -122.70435)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018
Mount Vernon, WA Skagit Co. United States	SR 9 / Old Day Creek Rd. / Francis Rd. (48.46779, -122.23666)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.2999	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Lynnwood, WA Snohomish Co. United States	Filbert Rd. / Larch Way (47.82594, -122.25342)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 22.4519	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Lynnwood, WA Snohomish Co. United States	Filbert Rd. / Locust Way / Magnolia Rd. (47.82528, -122.25500)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.2541	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Olympia, WA Thurston Co. United States	Boulevard Rd. / Morse-Merryman Rd. SE (47.01817, -122.86518)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.2699	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Bremerton, WA Kitsap Co. United States	Wheaton Way / Harkins St. / Manette Bridge (47.57079, -122.61700)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 23.3679	Other (At-Grade) Single-Lane	2011	Previous intersection was four-way with south leg. ICD estimated from Google Maps linework.
Federal Way, WA King Co. United States	Military Rd. S / S 298 St. (47.33514, -122.29673)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 11.3317	Other (At-Grade) Single-lane w/ Traversable Central Island	2019	"Compact" roundabout with 85-foot inscribed diameter and fully traversible center island and raised splitter islands. Opened in March 2019. Military Rd is a Minor Arterial, 40 mph, S 298 St is a Minor Collector, 25 mph. ICD estimated from Google Maps linework.
Issaquah, WA King Co. United States	Newport Way NW / NW Pacific Elm Dr. / 200th Ave. SE (47.54989, -122.07416)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.6016	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Wenatchee, WA Chelan Co. United States	S Miller St / Red Apple Rd (47.40797, -120.32456)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island	2018
Anacortes, WA Skagit Co. United States	SR 20 / Miller Rd. / Gibralter Rd. (48.45438, -122.58269)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.7733	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Anacortes, WA Skagit Co. United States	32nd St. / D Ave. (48.49654, -122.63159)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2018
Richland, WA Benton Co. United States	Duportail St. / Wright Ave. (46.27046, -119.29680)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.7676	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Richland, WA Benton Co. United States	Duportail St / Thayer Dr (46.26928, -119.29010)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.9425	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Richland, WA Benton Co. United States	Queensgate Dr. / Columbia Park Trl. (46.25165, -119.30190)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.8158	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Richland, WA Benton Co. United States	Queensgate Dr. / I-182 EB Ramps (46.25331, -119.30296)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.6405	Freeway Ramps (Grade-Separated) Single-Lane	2018	Raindrop shape. ICD estimated from Google Maps linework.
Port Townsend, WA Jefferson Co. United States	Discovery Rd. / Rainier St. / Howard St. (48.10787, -122.80624)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.4820	Other (At-Grade) Single-Lane	2017	Two-way separated bike path along east side. ICD estimated from Google Maps linework.
Port Orchard, WA Kitsap Co. United States	Tremont St. W / S Kitsap Blvd. / Canyon Ct. (47.52351, -122.65737)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.3258	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Spokane, WA Spokane Co. United States	SR 902 / Geiger Blvd. (47.59406, -117.56858)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 88.5973	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	Replaces previous intersection that was closer to the I-90 westbound off ramp. Open October 10, 2019. ICD estimated from Google Maps linework.
Spokane, WA Spokane Co. United States	SR 902 / I-90 WB Ramps (47.59335, -117.56750)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.0231	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2019	Opened October 10, 2019. ICD estimated from Google Maps linework.
Bellingham, WA Whatcom Co. United States	Cordata Pkwy. / Stuart Rd. (48.79931, -122.49572)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.4016	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	https://www.cob.org/gov/projects/Pages/Cordata%20Stuart%20Roundabout.aspx. ICD estimated from Google Maps linework.
Burlington, WA Skagit Co. United States	E George Hopper Rd. / S Walnut St. (48.45200, -122.33174)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.5955	Other (At-Grade) Single-lane w/ Traversable Central Island	2015	ICD estimated from Google Maps linework.
Burlington, WA Skagit Co. United States	Marketplace Dr. / S Walnut St. (48.44859, -122.33169)	Roundabout Existing	Other None	4 Approaches 0 Driveways 15.0516	Other (At-Grade) Single-lane w/ Traversable Central Island	2015	Year Completed estimated (2015-2016). Two approaches have stop signs at the crosswalk and yield lines (without yield signs) at the entrance (streetview), and no control at the crosswalks on the exit side. ICD estimated from Google Maps linework.
Marysville, WA Snohomish Co. United States	Quil Ceda Blvd. / 30th Ave. NE (48.09620, -122.19019)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.4905	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Year Completed estimated (2012-2014). ICD estimated from Google Maps linework.
Issaquah, WA King Co. United States	SE 62nd St. / 221st Pl. SE / 4th Ave. NW (47.54682, -122.04277)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.2155	Other (At-Grade) Single-Lane	2019	https://www.youtube.com/watch?v=FGdBuaAZqVU. https://www.issaquahwa.gov/62. ICD estimated from Google Maps linework.
Issaquah, WA King Co. United States	SE 62nd St. / Lake Dr. / Pickering Pl. (47.54599, -122.04930)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.5728	Other (At-Grade) Single-Lane	2019	https://www.youtube.com/watch?v=FGdBuaAZqVU. https://www.issaquahwa.gov/62. ICD estimated from Google Maps linework.
Issaquah, WA King Co. United States	19th Ave. NW / NW Gilman Blvd. (47.54571, -122.06644)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 21.7667	Other (At-Grade) Single-Lane		19th Ave legs have painted splitter islands. Completed 2008 or earlier (streetview). ICD estimated from Google Maps linework.
Maple Valley, WA King Co. United States	SE Tahoma Way / Maple Valley Black Diamond Rd. SE (47.35796, -122.02252)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.5079	Other (At-Grade) Single-Lane	2018	East Entrance to Tahoma High School. Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Liberty Lake (Greenacres), WA Spokane Co. United States	E Mission Ave. / N Harvest Pkwy. (47.67143, -117.13127)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7992	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Stevenson, WA Skamania Co. United States	SR 14 / Wind River Rd. (45.71510, -121.82857)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.1939	Other (At-Grade) Single-Lane	2019	Completed Summer 2019 (WSDOT). ICD estimated from Google Maps linework.
Washougal, WA Clark Co. United States	SR 14 / S 32nd St. (45.57443, -122.33692)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.1284	Other (At-Grade) Unknown	2019	Completed Summer 2019 (WSDOT). ICD estimated from Google Maps linework.
Washougal, WA Clark Co. United States	SR 14 / 15th St. (Washougal River Rd.) (45.57665, -122.35617)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.2591	Other (At-Grade) Single-Lane	2019	Completed Summer 2019 (WSDOT). If needed will be converted in the future to multilane and has built in concrete joint lines in the splitter islands and central island truck apron. ICD estimated from Google Maps linework.
Pasco, WA Franklin Co. United States	Road 44 / Cathedral Dr. / Madison Ave. (46.26009, -119.14847)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.3326	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Pasco, WA Franklin Co. United States	Madison Ave. / El Paso Dr. (46.26159, -119.15215)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0288	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Selah, WA Yakima Co. United States	N Park Dr. / S Park Dr. (46.66170, -120.52182)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.1476	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Dupont, WA Pierce Co. United States	Ridge View Dr. / McNeil St. (47.10116, -122.67381)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.0156	Other (At-Grade) Single-Lane	2007	Originally open pavement; converted to roundabout. Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Auburn, WA King Co. United States	SE 392nd St. / (parking lot) (47.24986, -122.10399)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.3750	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Renton, WA King Co. United States	SE 176th St. / SE 171st Way (47.44500, -122.14831)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 23.4239	Other (At-Grade) Single-lane w/ Traversable Central Island	2019	Mini-roundabout in a suburban neighborhood context, completed November 2019. ICD estimated from Google Maps linework.
Eastgate, WA King Co. United States	SE 40th St. / 138th Ave. SE (47.57459, -122.15670)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.2865	Other (At-Grade) Single-lane w/ Traversable Central Island	2019	Mini-roundabout adjacent Tyee Middle School, completed October 2019. ICD estimated from Google Maps linework.
Oak Harbor, WA Island Co. United States	SR 20 / Banta Rd. / Northgate Dr. (48.36934, -122.65300)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.1501	Other (At-Grade) Single-Lane	2019	https://www.flickr.com/photos/wsdot/48127337916 ICD estimated from Google Maps linework.
Wenatchee, WA Chelan Co. United States	S Western Ave. / Cherry St. (47.41556, -120.34606)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 114.7606	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	https://www.wenatcheeworld.com/news/local/western-and-cherry-roundabout-set-to-open/article_bad76724-a124-5e7c-ab09-dcfb897a2676.html ICD estimated from Google Maps linework.
Wenatchee, WA Chelan Co. United States	N Western Ave. / Springwater Ave. (47.43706, -120.34620)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island	2018	https://www.wenatcheeworld.com/news/local/wenatchee-moves-forward-with-mini-roundabout/article_7f3a17d4-e6b6-5cff-8041-8825b741f221.html
North Bend, WA King Co. United States	E North Bend Way / Park St. / Downing Ave. (47.49288, -121.78223)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8585	Other (At-Grade) Single-Lane	2019	https://northbendwa.gov/CivicAlerts.aspx?AID=916 ICD estimated from Google Maps linework.
Shelton, WA Mason Co. United States	N 1st St. / W Alder St. (47.21590, -123.09963)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9595	Other (At-Grade) Single-lane w/ Traversable Central Island	2019	Previous control: 3-way stop plus a Yield at the constrained right turn lane. http://www.ifiberonenewsradio.com/news/local_news/shelton-s-st-roundabout-draws-mixed-reviews-from-community-residents/article_9b7ee6ec-9217-11e9-8590-432067f659d6.html ICD estimated from Google Maps linework.
Gig Harbor, WA Pierce Co. United States	Borgen Blvd. / Olympus Way (47.35991, -122.59782)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 33.1701	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Gig Harbor, WA Pierce Co. United States	Point Fosdick Dr. NW / 34th Ave. NW / Stone Dr. NW (47.27442, -122.58412)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.7928	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
(unincorporated), WA Spokane Co. United States	W Aero Rd. / W Westbow Blvd. (47.58899, -117.56024)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2019	Yield controlled right-turn bypass lane on northwest leg with acute view angle.
Auburn, WA King Co. United States	22nd St. NE / I St. NE (47.32643, -122.21945)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.2385	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Bellingham, WA Whatcom Co. United States	Haxton Way / Smokehouse Rd. (48.74689, -122.66383)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.0136	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Mount Vernon, WA Skagit Co. United States	E Division St. / Waugh Rd. (48.42091, -122.28709)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.1934	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Spokane, WA Spokane Co. United States	W Woodside Ave. / N F St. (47.72087, -117.45875)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2017
Spokane, WA Spokane Co. United States	W Woodside Dr. / W Dell Dr. (47.72059, -117.45289)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 78.7411	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Spokane, WA Spokane Co. United States	W Woodside Ave. / N Alberta St. (47.71971, -117.44693)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 28.1223	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Spokane, WA Spokane Co. United States	S Cook St. / E 42nd Ave. (47.61546, -117.37397)	Traffic Calming Circle Existing	Uncontrolled None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2004
Spokane, WA Spokane Co. United States	S Stonington Ln. / E 42nd Ave. (47.61546, -117.37287)	Traffic Calming Circle Existing	Uncontrolled None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2004
Spokane, WA Spokane Co. United States	US 2 / S Deer Heights Rd. (47.64308, -117.55018)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 18.5075	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	Developer mitigation project - October 2019. ICD estimated from Google Maps linework.
Lacey, WA Thurston Co. United States	Hogum Bay Rd. NE / Willamette Dr. NE (47.06943, -122.76485)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.8601	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Olympia, WA Thurston Co. United States	Marvin Rd. NE / 41st Ave. NE (47.09046, -122.78075)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2014
Spokane, WA Spokane Co. United States	S Glenrose Rd. / S Carnahan Rd. (47.63586, -117.33495)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2019	Spokane County project. Open July 2019. Replaced southbound Carnahan yield control.
Ferndale, WA Whatcom Co. United States	Portal Way / I-5 NB Ramps (48.85836, -122.58613)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.3591	Freeway Ramps (Grade-Separated) Single-lane w/ Traversable Central Island	2019	Year Completed estimated (2018-2019). https://myferndalenews.com/mayor-second-roundabout-portal-way-5-scheduled-summer_56179/ ICD estimated from Google Maps linework.
Grand Mound, WA Thurston Co. United States	Old Highway 99 SW/ 198th Ave. SW (46.80065, -123.01220)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane	2019
Olympia, WA Thurston Co. United States	Marvin Rd. SE / Lake Forest Dr. SE / Oakwood St. SE (47.01411, -122.75428)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019
Richland, WA WA Co. United States	Oahu St. / Sequoia Ave. (46.23073, -119.28302)	Traffic Calming Circle Existing	Other None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Two-way yield.
Richland, WA WA Co. United States	Oahu St. / Citrus Ave. (46.23068, -119.27965)	Traffic Calming Circle Existing	Uncontrolled None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Greenacres, WA Spokane Co. United States	N Barker Rd. / I-90 WB Ramps / E Cataldo Ave. (47.66736, -117.15377)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.4904	Freeway Ramps (Grade-Separated) Single-Lane	2020	ICD ranges from approx 112 to approx 123 feet. Open 8/25/2020.
Emerson-Garfield, WA Spokane Co. United States	W Montgomery Ave. / N Cedar St. (47.67858, -117.43245)	Traffic Calming Circle Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Emerson-Garfield, WA Spokane Co. United States	W Montgomery Ave. / N Madison Ave. (47.67856, -117.42821)	Traffic Calming Circle Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Five Mile Prairie, WA Spokane Co. United States	N Five Mile Rd. / W Strong Rd. (47.73709, -117.45373)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2019-2020).
Seattle, WA King Co. United States	8th Ave. SW / SW 108th St. (47.50659, -122.34466)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2018	http://whitecenternow.com/2018/10/16/road-work-alert-mini-roundabout-construction-to-start-at-8th-108th/
Olympia, WA Thurston Co. United States	SR 510 / Meridian Rd. SE (47.01799, -122.72703)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2019	https://wsdot.wa.gov/projects/sr510/meridian-rd-roundabout/home
Walla Walla, WA Walla Walla Co. United States	W Tietan St. / S 3rd Ave. (46.04938, -118.33563)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2019	https://www.wallawallawa.gov/Home/Components/News/News/417/3863?selcat=38&npage=2&arch=1
Lakewood, WA Pierce Co. United States	Murray Rd. SW / I-5 NB Offramp (47.12576, -122.54266)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2020	https://wsdotblog.blogspot.com/2020/10/new-thorne-lane-bridge-open.html
(unincorporated), WA Spokane Co. United States	Aero Rd. / Medical Lake Rd. / I-90 EB Ramps / Spokane Transit Center (47.59081, -117.56327)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2020	Fifth leg is entry/exit for Spokane Transit Center buses only. Opened week of 10/19/2020.
Eastgate, WA King Co. United States	SE Newport Way / 164th Ave. SE (47.57236, -122.12142)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.5072	Other (At-Grade) Single-lane w/ Traversable Central Island	2019	https://dev.bellevuewa.gov/sites/default/files/media/pdf_document/levy-164th-SE-newport-way-roundabout-mailer-2018.pdf
Bellevue, WA King Co. United States	SE 46th Way / 157th Ave. SE (47.56285, -122.13218)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Kent, WA King Co. United States	Willis St. / 4th Ave. (47.37808, -122.23747)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2020	https://www.kentwa.gov/Home/Components/FacilityDirectory/FacilityDirectory/1660/568
East Wenatchee, WA Douglas Co. United States	3rd St. SE / Highline Dr. (47.40034, -120.28173)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.ncwlife.com/east-wenatchee-roundabout-near-costco-is-open-well-ahead-of-schedule/
North Auburn, WA King Co. United States	K St. SE / 2nd St. SE (47.30617, -122.21619)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Seattle, WA King Co. United States	N 100th St. / Linden Ave. N (47.70145, -122.34735)	Traffic Calming Circle Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Lynnwood, WA Snohomish Co. United States	36th Ave. W / 172nd St. SW (47.84292, -122.28183)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2020).
Lynnwood, WA Snohomish Co. United States	6th Ave. W / 7th Pl. W (47.84259, -122.24328)	Traffic Calming Circle Existing	All-Way Stop Unknown	3 Approaches 0 Driveways 0.0000	Unknown Single-Lane	2014
Marysville, WA Snohomish Co. United States	SR 9 / 108th St NE (48.09180, -122.11180)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2018-2020).