Roundabouts Database

30229 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
Seattle, WA
King Co.
United States 		2nd Ave. NE / NE 91st St.
(47.69499, -122.32710) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
8.0388 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Bainbridge Island, WA
Kitsap Co.
United States 		High School Rd. / Madison Ave.
(47.63579, -122.52100) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.9484 		Other (At-Grade)
Single-Lane 		2000 Greatly reduced congestion. Initial public opposition has turned to full support. Project located next to 3 schools. Separated sidewalks, timed yellow flashing lights during school crossing. Crossing guards. Near library and shopping center. Opened October 2000. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Linden Ave. N / N. 36th St.
(47.65116, -122.34860) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
35.4002 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Woodlawn Ave. N / N. 36th St.
(47.65051, -122.33870) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
12.8730 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		18th Ave. E. / E. Spring St.
(47.61154, -122.30890) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
8.0516 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		4th Ave. N / N. Prospect St.
(47.62890, -122.34880) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
10.4636 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Sunnyside Ave. N / N 43rd St.
(47.65912, -122.33020) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2006
Port Orchard, WA
Kitsap Co.
United States 		Mile Hill Dr. (Hwy 166) / Bethel Ave.
(47.53467, -122.62730) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.7045 		Other (At-Grade)
Single-Lane 		1998 Previously a Y Intersection. Opened June 1998. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Bellevue, WA
King Co.
United States 		W. Lake Sammamish Pkwy. SE / Lakemont Blvd. SE
(47.56776, -122.09980) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.4567 		Other (At-Grade)
Single-Lane 		1997 Revised August 2005. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		26th Ave. S / S. Judkins St.
(47.59209, -122.29900) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
20.9420 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		24th Ave. S / S. Norman St.
(47.59301, -122.30120) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
41.0778 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Monroe, WA
Snohomish Co.
United States 		SR 522 EB Ramps / 164th St. SE / Tester Rd.
(47.84863, -122.00580) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
60.9143 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 Completed August 2001. This project won the Washington State APWA 2001 Project of the Award and the ASCE Seattle Section 2001 Outstanding Project Award. The Project is documented in the Compendium of Papers for 2000 ITE District 6 Annual Meeting, San Diego, CA. Reconfiguration of two intersections into a roundabout. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Federal Way, WA
King Co.
United States 		Weyerhaeuser Way S / 33rd Pl S / 32nd Dr. S
(47.29863, -122.29280) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.6385 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 Opened April 2000. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		17th Ave. E. / E. Spring St.
(47.61153, -122.31020) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
5.6361 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		40th Ave. SW / SW Manning St.
(47.57122, -122.38250) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
7.2520 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		28th Ave. NE / NE Hiram Pl. / NE 120th St.
(47.71572, -122.29810) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
164.7289 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		24th Ave. S / S. Dearborn St.
(47.59557, -122.30120) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
13.6919 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		25th Ave. S / S Dearborn St.
(47.59556, -122.30010) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		0 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2006
Seattle, WA
King Co.
United States 		26th Ave. S / S. Dearborn St.
(47.59555, -122.29880) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
48.3244 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Grandview Dr. / Olympic Blvd.
(47.22188, -122.55790) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1454 		Other (At-Grade)
Single-Lane 		1997 Curtis High School and Curtis Junior High School on NE corner of roundabout. Opened August 1997. Functional Class: Arterial ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		27th Ave. / Union St. / Southridge Blvd / W Creekstone Dr.
(46.18497, -119.18040) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.5168 		Other (At-Grade)
Single-Lane 		2000 Completed August 25, 2000. Right-turn bypass on WB approach. Was 3-leg intersection; fourth leg added to west as part of project. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		61st Ave. S / S Norfolk St.
(47.51337, -122.25705) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2006
Seattle, WA
King Co.
United States 		34th Ave. SW / SW Henderson St.
(47.52286, -122.37530) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
42.7458 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Moses Lake, WA
Grant Co.
United States 		Yonezawa Blvd. / S. Division St. / W. Belmont Ave.
(47.10438, -119.27860) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.0857 		Other (At-Grade)
Single-Lane 		2001 Pedestrian crossing has z-shape, with exit closer to roundabout than entrance. Part of series of 3 roundabouts. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Linden Ave. N / N. 42nd St.
(47.65774, -122.34850) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
56.3115 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		44th Ave. SW / SW College St.
(47.58301, -122.38780) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
37.0576 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		30th Ave. SW / SW Cloverdale St.
(47.52648, -122.37120) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
64.5176 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		42nd Ave. SW / SW Hinds St.
(47.57318, -122.38570) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
9.6690 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		61st Ave. S / S. Cooper St.
(47.51166, -122.25710) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2006
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.
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.
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
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.
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.
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.
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.
La Center, WA
Clark Co.
United States 		NW Pacific Hwy. / W 4th St.
(45.86195, -122.67258) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.6053 		Other (At-Grade)
Single-Lane 		2018 https://www.clarkcountytoday.com/local_news/the-4th-street-and-pacific-highway-roundabout-in-la-center-completed/ ICD estimated from Google Maps linework.
Tacoma, WA
Pierce Co.
United States 		N Pearl St. / Five Mile Dr. / N Waterfront Dr. / Ferry Crossing Landing Rd / Park Ave.
(47.30193, -122.51556) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
32.3966 		Other (At-Grade)
Single-Lane 		2018 https://www.thenewstribune.com/news/local/article196233104.html ICD estimated from Google Maps linework.
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.
Tacoma, WA
Pierce Co.
United States 		(unknown) / (unknown)
(47.30214, -122.51434) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
27.5370 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019). 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.
Port Orchard, WA
Kitsap Co.
United States 		SW Lake Flora Rd. / JM Dickenson Rd. SW
(47.46497, -122.72410) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.9114 		Other (At-Grade)
Single-Lane 		2011 https://pugetsoundblogs.com/roadwarrior/tag/lake-flora/ 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.
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.
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.
Spokane, WA
Spokane Co.
United States 		US 2 / (development entrance)
(47.76691, -117.38533) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.7715 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 Open July 19, 2018. This intersection was originally accepted in 2012 as stop control (evolving to a signal with growth) for the first phase of a development. Because there was a long lapse prior to construction, it became subject to the WSDOT Intersection Control Evaluation process adopted July 2013. Subsequently, this is the first roundabout in WSDOT Eastern Region recommended by a consultant employing that process. ICD estimated from Google Maps linework.
Deer Park, WA
Spokane Co.
United States 		US 395 / N Short Rd. / N Main St.
(47.94267, -117.47734) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.2022 		Other (At-Grade)
Single-Lane 		2018 Opened 7/18/2018. ICD estimated from Google Maps linework.
Grandview, WA
Yakima Co.
United States 		Velma Ave. / King St.
(46.24849, -119.91950) 		Other
Existing 		All-Way Stop
Unknown 		4 Approaches
5 Driveways
69.3770 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Chelan, WA
Chelan Co.
United States 		SR 150 / No-See-Um Rd.
(47.84969, -120.03549) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.6550 		Other (At-Grade)
Single-Lane 		2017 https://www.wsdot.wa.gov/Projects/SR150/NoSeeUmRdIntersectionImprovements/default.htm ICD estimated from Google Maps linework.
Ridgefield, WA
Clark Co.
United States 		SR 501 (Pioneer St.) / 35th Ave.
(45.81557, -122.71310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2018
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.
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.
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.
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.
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.
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
36.5760 		Other (At-Grade)
Single-Lane 		2018
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.
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.
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.
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.
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.
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.
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.
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.
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.