Roundabouts Database

28820 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
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).
Edmonds, WA
Snohomish Co.
United States 		Main St. / 5th Ave.
(47.81061, -122.37753) 		Other
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Water fountain in the middle.
Ephrata, WA
Grant Co.
United States 		SR 282 / Dodson Rd. / A St. SE
(47.30659, -119.55504) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2019 Lane line extensions over exits. http://www.ifiberone.com/columbia_basin/ephrata-roundabout-drastically-reduces-collisions-17-months-after-its-completion/article_e3201c6e-0818-11eb-9a93-572d8357bf49.html
Maple Valley, WA
King Co.
United States 		SE 240th Blvd. / 228th Ave. SE
(47.38734, -122.03723) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2018 Southwest leg stubbed. Year Completed estimated (2017-2018).
Maple Valley, WA
King Co.
United States 		228th Ave. SE / SE 275th Pl. / SE Bear Blvd.
(47.35485, -122.03766) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2016-2017).
Tumwater, WA
Thurston Co.
United States 		Israel Rd. SW / Tyee Dr. SW
(46.98552, -122.92855) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2017 Right-turn-only lane on north leg. South leg stubbed. Year Completed estimated (2016-2017).
Lacey, WA
Thurston Co.
United States 		Parkside Dr. SE / 53rd St. SE
(47.00040, -122.81703) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2009).
Woodinville, WA
King Co.
United States 		NE 171st St. / 131st Ave. NE / (parking)
(47.75074, -122.16148) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019).
Woodinville, WA
King Co.
United States 		NE 171st St. / 135th Ave. NE
(47.75063, -122.15921) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2017-2018).
Redmond, WA
King Co.
United States 		Redmond Ridge Dr. NE / NE Cedar Park Crest
(47.68578, -122.03278) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2011-2012).
Port Orchard, WA
Kitsap Co.
United States 		Tremont St. W / Pottery Ave.
(47.52537, -122.65229) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2019 https://www.youtube.com/watch?v=PctOoSym9oE
Moses Lake, WA
Grant Co.
United States 		S Balsam St. / E 4th Ave.
(47.13056, -119.27474) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2012).
Olympia, WA
Thurston Co.
United States 		Chehalis Western Trl. / Woodland Trl.
(47.03914, -122.83937) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
15.2400 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2015 Bicycle trail to bicycle trail only roundabout.
Greenacres, WA
Spokane Co.
United States 		N Barker Rd. / I-90 EB Ramps
(47.66457, -117.15376) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 Open September 4, 2020.
Butler, WA
Wanneroo
Australia 		Butler Blvd. / Camborne Pkwy.
(-31.63816, 115.69686) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Butler, WA
Wanneroo
Australia 		Butler Blvd. / Ulverston Way
(-31.63894, 115.69468) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Butler, WA
Wanneroo
Australia 		Butler Blvd. / Benenden Ave.
(-31.63524, 115.70522) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Butler, WA
Wanneroo
Australia 		Landbeach Blvd. / Butler Blvd.
(-31.63444, 115.70743) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Butler, WA
Wanneroo
Australia 		Benenden Ave. / Exmouth Dr. / Connolly Dr.
(-31.64175, 115.70412) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Butler, WA
Wanneroo
Australia 		Benenden Ave. / Camborne Pkwy.
(-31.64316, 115.70135) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Clarkson, WA
Wanneroo
Australia 		Connolly Dr. / Victorsen Parade / Somerly Dr.
(-31.68437, 115.72672) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Ridgewood, WA
Wanneroo
Australia 		Connolly Dr. / Hester Ave.
(-31.67131, 115.72138) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Wembley Downs, WA
Cambridge
Australia 		SR 72 (The Boulevard) / Empire Ave.
(-31.93278, 115.78889) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Floreat, WA
Cambridge
Australia 		SR 72 (The Boulevard - Grantham St.) / The Boulevard
(-31.93439, 115.79065) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Mandurah, WA
Mandurah
Australia 		Mandurah Terrace / Peel St.
(-32.52610, 115.72205) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Safety Bay, WA
Rockingham
Australia 		Safety Bay Rd. / Malibu Rd.
(-32.31005, 115.73195) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Rockingham, WA
Rockingham
Australia 		SR 18 (Patterson Rd.) / Goddard St.
(-32.27556, 115.74172) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Malaga, WA
Swan
Australia 		Marshall Rd. / Guadalupe Dr. / (parking)
(-31.85720, 115.90842) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Dayton, WA
Swan
Australia 		Marshall Rd. / Dayton Blvd. / Isoodon St.
(-31.85560, 115.96920) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Bennett Springs, WA
Swan
Australia 		Marshall Rd. / Dulwich St. / Luminous Blvd.
(-31.85575, 115.95710) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Mundaring, WA
Mundaring
Australia 		Stoneville Rd. / Hartung St.
(-31.90035, 116.16822) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Mundaring, WA
Mundaring
Australia 		Mundaring Weir Rd. / Jacoby St.
(-31.90462, 116.16817) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Elliptical shaped.
Mundaring, WA
Mundaring
Australia 		Phillips Rd. / Mundaring Weir Rd.
(-31.90575, 116.16848) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Butler, WA
Wanneroo
Australia 		Camborne Pkwy. / Mansfield Ave.
(-31.63627, 115.69532) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Butler, WA
Wanneroo
Australia 		Camborne Pkwy. / Hollington Blvd.
(-31.63462, 115.69280) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane