Roundabouts Database

29411 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
Spokane, WA
Spokane Co.
United States 		E. Sharp Ave. / N. Columbus St.
(47.66950, -117.39490) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
22.5195 		Other (At-Grade)
Single-Lane 		1992 September 1992. ICD estimated from Google Maps linework.
Tacoma, WA
Pierce Co.
United States 		49th Ave. NE / 33rd St. NE / Norpoint Way NE
(47.28643, -122.38220) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.9249 		Other (At-Grade)
Single-Lane 		2004 Opened December 2004. ICD estimated from Google Maps linework.
Tacoma, WA
Pierce Co.
United States 		S Tyler St. / S 66th St.
(47.19746, -122.49280) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.9685 		Other (At-Grade)
Single-Lane 		2005 Opened July 2005. Fatal crash August 12. 2006. 11861-05. ICD estimated from Google Maps linework.
Vancouver, WA
Clark Co.
United States 		W. 6th St. / Esther St.
(45.62572, -122.67610) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.2336 		Other (At-Grade)
Single-Lane 		2005 Opened June 2005. ICD estimated from Google Maps linework.
Vancouver, WA
Clark Co.
United States 		NE 137th Ave. / NE 49th St.
(45.65733, -122.53190) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
40.0691 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Opened January 2008. ICD estimated from Google Maps linework.
West Richland, WA
Benton Co.
United States 		Bombing Range Rd. / Keene Rd.
(46.26271, -119.34237) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2005 Free-flow bypass lane on east leg. Opened October 2005. Plans underway to replace with signalized intersection: https://www.tricitiesbusinessnews.com/2021/12/wr-traffic-circle/
White Center, WA
King Co.
United States 		10th Ave. SW / SW 100th St.
(47.51379, -122.34770) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
12.1000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2006 Opened April 2006. Previously controlled by two-way stop ICD estimated from Google Maps linework.
White Center, WA
King Co.
United States 		9th Ave. SW / SW 100th St.
(47.51379, -122.34640) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
14.5200 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2006 Opened April 2006. Previously controlled by two-way stop Functional Class: Neighborhood Collector ICD estimated from Google Maps linework.
Woodinville, WA
King Co.
United States 		136th Ave. NE / Woodinville High School Entrance
(47.77161, -122.15860) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
25.6862 		Other (At-Grade)
Single-Lane 		2003 Opened October 2003. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		64th St W / Park Entrance
(47.19891, -122.56530) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
28.4022 		Other (At-Grade)
Single-Lane 		2004 Completed before July 2004. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Cirque Dr. W / Alameda Ave. W / 56th St. W
(47.20639, -122.51600) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
54.3624 		Other (At-Grade)
Single-Lane 		2002 Completed December 2002. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		40th St. W / Drexler Dr. W
(47.22084, -122.53430) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
31.6351 		Other (At-Grade)
Single-Lane 		2006 Completed June 2006. ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States 		Vashon Dr. NE / Columbia Way NE
(47.09724, -122.77000) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
26.0175 		Other (At-Grade)
Single-Lane 		2005 Opened December 2005. ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States 		Britton Pkwy. NE / Gateway Blvd.
(47.06858, -122.78590) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
42.3012 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Opened September 2007. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Meridian Ave. N / N 43rd St.
(47.65914, -122.33380) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		Bagley Ave. N / N 44th St.
(47.66029, -122.33260) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		Bagley Ave. N / N 43rd St.
(47.65912, -122.33260) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		Burke Ave. N / N 43rd St.
(47.65915, -122.33500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		Burke Ave. N / N 44th St.
(47.66031, -122.33500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
16.8926 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Meridian Ave. N / N 44th St.
(47.66030, -122.33370) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
20.9147 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		SR 240 / US 395 SB Ramps
(46.21697, -119.13980) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.9307 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2009 June 2009. ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		SR 240 / US 395 NB Ramps / Columbia Dr.
(46.21688, -119.13680) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.0973 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2009 June 2009. 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.
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.
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.
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.
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.
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.
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.
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.