Roundabouts Database

16867 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
Redmond, WA
King Co.
United States 		Trilogy Pkwy NE / NE Greens Crossing Rd.
(47.70752, -122.02660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.7178 		Other (At-Grade)
Single-Lane 		2004 Adjacent to golf course and semi-retired community. Completed June 2004. ICD estimated from Google Maps linework.
Sammamish, WA
King Co.
United States 		Issaquah Pine Lake Rd. / SE 32nd Way
(47.57894, -122.02810) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
33.8378 		Other (At-Grade)
Single-Lane 		2005 Opened March 2005. ICD estimated from Google Maps linework.
Sammamish, WA
King Co.
United States 		NE 8th St. / 233rd Ave NE
(47.61687, -122.02903) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
63.6012 		Other (At-Grade)
Single-Lane 		2012 Open September 2012. 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.
Fairview, CA
Alameda Co.
United States 		Fairview Ave. / Five Canyons Pkwy. / East Ave. (Star Ridge Rd.)
(37.67520, -122.03220) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
20.7965 		Other (At-Grade)
Single-Lane 		1998 https://www.sfgate.com/bayarea/article/COMMUTER-CHRONICLES-IN-A-ROUNDABOUT-WAY-The-2975842.php ICD estimated from Google Maps linework.
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).
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).
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.
Lake Stevens, WA
Snohomish Co.
United States 		Lake Stevens Community Park Entrance
(48.01193, -122.04300) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
27.1652 		Other (At-Grade)
Single-Lane 		2009 January 2009. ICD estimated from Google Maps linework.
Maple Valley, WA
King Co.
United States 		SE 248th St. / Witte Rd. SE
(47.37961, -122.04810) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
30.7316 		Other (At-Grade)
Single-Lane 		2011 January 2011. 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 		Maple St. NW / (parking lots)
(47.54340, -122.05121) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
20.9614 		Other (At-Grade)
Mini-roundabout 		2017 ICD estimated from Google Maps linework.
Sammamish, WA
King Co.
United States 		NE Inglewood Hill / 216th Ave. NE
(47.61554, -122.05180) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.3989 		Other (At-Grade)
Single-Lane 		2001 October 2001. 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) 		2009 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.
Pleasant Hill, CA
Contra Costa Co.
United States 		Old Quarry Rd. / Camelback Rd.
(37.97273, -122.06894) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.1278 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2017-2018). https://www.eastbaytimes.com/2017/02/20/pleasant-hill-roundabout-planned-near-diablo-valley-college/ 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.
Hayward, CA
Alameda Co.
United States 		Orchard Ave. / Joyce St.
(37.65808, -122.07850) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.9103 		Other (At-Grade)
Single-Lane 		2000 Painted splitter islands. Built as temporary in February 2000, reconstructed permanent central island 2001 (http://ci.hayward.ca.us/citygov/meetings/cca/rp/2000/rp091900-05.pdf). ICD estimated from Google Maps linework.
Lake Stevens, WA
Snohomish Co.
United States 		SR 92 / 113th Ave. SE
(48.03019, -122.07884) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.9412 		Other (At-Grade)
Single-Lane 		2013 Reverse curves on east and west approaches. Open November 2013. ICD estimated from Google Maps linework.
Redmond, WA
King Co.
United States 		NE Union Hill Rd. / 196th Ave. NE
(47.67501, -122.07901) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane) 		2012 Open September 2012.
Redmond, WA
King Co.
United States 		NE Novelty Hill Rd. / 195th Ave. NE
(47.68845, -122.07993) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.5909 		Other (At-Grade)
Multilane (2 Lane) 		2012 Open October 2012. ICD estimated from Google Maps linework.
Cupertino, CA
Santa Clara Co.
United States 		Cristo Rey Dr. / Hammond Way / Canyon Oak Way
(37.33058, -122.08070) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
36.0875 		Other (At-Grade)
Single-Lane 		2000 Functional Class: Local ICD estimated from Google Maps linework.
Lake Stevens, WA
Snohomish Co.
United States 		Lundeen Park Way / Callow Rd. / Lakeview Dr. / Vernon Rd.
(48.01797, -122.09050) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.9553 		Other (At-Grade)
Single-Lane 		2006 http://www1.co.snohomish.wa.us/Departments/Public_Works/Services/Roads/Projects/LundeenCallow.htm. Opened June 2006. ICD estimated from Google Maps linework.
Fairfield, CA
Solano Co.
United States 		Rockville Rd. / Abernathy Rd.
(38.24598, -122.09074) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.4495 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Lafayette, CA
Contra Costa Co.
United States 		Olympic Blvd. / Pleasant Hill Rd.
(37.88604, -122.09300) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2017 Yield-controlled right-turn bypass lanes on north and east legs. Painted splitter island on south leg.
Lake Stevens, WA
Snohomish Co.
United States 		SR 92 / 99th Ave NE
(48.02885, -122.09804) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.5396 		Other (At-Grade)
Single-Lane 		2013 Reverse curves on east and west approaches. Open November 2013. ICD estimated from Google Maps linework.
Bellevue, WA
King Co.
United States 		W Lake Sammamish Pkwy SE / I-90 WB Ramps
(47.56690, -122.09947) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
139.9998 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane) 		2013 Open November 2013. Raindrop shape.
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.
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) 		2010 ICD estimated from Google Maps linework.
Snohomish, WA
Snohomish Co.
United States 		Ave. D / Bickford Ave. / 15th St.
(47.93037, -122.10101) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
79.2238 		Other (At-Grade)
Single-Lane 		2014 Open July 2014. 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.
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.
Lake Stevens, WA
Snohomish Co.
United States 		N Davies Rd. / Frontier Village Access Rd.
(48.00447, -122.10403) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
123.0603 		Other (At-Grade)
Mini-roundabout 		2012 Open July 2012. ICD estimated from Google Maps linework.
Lake Stevens, WA
Snohomish Co.
United States 		Vernon Rd. / N Davies Rd.
(48.00495, -122.10586) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
139.8399 		Other (At-Grade)
Mini-roundabout 		2012 Open July 2012. ICD estimated from Google Maps linework.
Redmond, WA
King Co.
United States 		NE 116th St. / 172nd Ave. NE
(47.70403, -122.11106) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.5420 		Other (At-Grade)
Single-Lane 		2015 Open April 2015. ICD estimated from Google Maps linework.
Marysville, WA
Snohomish Co.
United States 		SR 9 / 84th St. NE / Getchell Rd.
(48.07196, -122.11135) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2014 Right-turn-only lanes on all four legs. Open October 2014.
Palo Alto, CA
Santa Clara Co.
United States 		E Meadow Dr. / Ross Rd.
(37.42600, -122.11139) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
13.2785 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
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).
Covington, WA
King Co.
United States 		172nd Ave. SE / SE 270th Pl.
(47.35939, -122.11240) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.7885 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Arlington, WA
Snohomish Co.
United States 		SR 531 (172nd St NE) / SR 9
(48.15166, -122.11325) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.6373 		Other (At-Grade)
Multilane (2 Lane) 		2012 Open October 2012. ICD estimated from Google Maps linework.
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) 		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.
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)
Mini-roundabout 		2019 https://dev.bellevuewa.gov/sites/default/files/media/pdf_document/levy-164th-SE-newport-way-roundabout-mailer-2018.pdf
Redmond, WA
King Co.
United States 		NE 76th St. / 164th Ave. NE
(47.67214, -122.12180) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
99.7242 		Other (At-Grade)
Single-Lane 		2012 Oblong shape. Connected two T-intersections on either side of median to allow crossing and left-turn movements. Open December 2012. ICD estimated from Google Maps linework.
Covington, WA
King Co.
United States 		SE 256th St. / 164th Ave. SE
(47.37256, -122.12290) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.1477 		Other (At-Grade)
Multilane (2 Lane) 		2007 Open September 2007. ICD estimated from Google Maps linework.
Redmond, WA
King Co.
United States 		NE 116th St. / 162nd Ave. NE
(47.70420, -122.12313) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
116.5413 		Other (At-Grade)
Single-Lane 		2014 Open May 2014. ICD estimated from Google Maps linework.
Arlington, WA
Snohomish Co.
United States 		E. Division St. / N. Broadway St.
(48.19858, -122.12530) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
23.8824 		Other (At-Grade)
Single-Lane 		2002 September 2002. ICD estimated from Google Maps linework.
Arlington, WA
Snohomish Co.
United States 		W. Division St. / N. West Ave.
(48.19864, -122.12800) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.8628 		Other (At-Grade)
Single-Lane 		2002 September 2002. ICD estimated from Google Maps linework.
Bellevue, WA
King Co.
United States 		SE 46th Way / 157th Ave. SE
(47.56285, -122.13218) 		Traffic Calming Circle
Existing 		Two-Way Stop
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
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.
Kendall, WA
Whatcom Co.
United States 		SR 542 / SR 547 (Kendall Corner)
(48.91692, -122.13767) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.5337 		Other (At-Grade)
Single-Lane 		2015 Open September 2015. ICD estimated from Google Maps linework.
Woodinville, WA
King Co.
United States 		SR 202 / Village Dr. / NE 144th St.
(47.73111, -122.14040) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
28.9195 		Other (At-Grade)
Single-Lane 		2009 October 2009. ICD estimated from Google Maps linework.
Woodinville, WA
King Co.
United States 		SR 202 / 148th Ave. NE / NE 146th Pl. (Hollywood)
(47.73271, -122.14220) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
40.1647 		Other (At-Grade)
Multilane (2 Lane) 		2009 October 2009. ICD estimated from Google Maps linework.
Woodinville, WA
King Co.
United States 		SR 202 / NE 145th St. / Park-condominium access
(47.73280, -122.14400) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
29.7218 		Other (At-Grade)
Single-Lane 		2009 October 2009. ICD estimated from Google Maps linework.
Bellevue, WA
King Co.
United States 		Landerholm Rd. / South Perimeter Cir.
(47.58438, -122.14600) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.8343 		Other (At-Grade)
Single-Lane 		2003 Opened July 2003. Entrance to Bellevue Community College. 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)
Mini-roundabout 		2019 Mini-roundabout in a suburban neighborhood context, completed November 2019. ICD estimated from Google Maps linework.
Palo Alto, CA
Santa Clara Co.
United States 		Park Blvd. / Park Ave.
(37.43076, -122.14980) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
24.6585 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Orinda, CA
Contra Costa Co.
United States 		Hall Dr. / Donald Dr.
(37.86411, -122.15310) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
17.9148 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Palo Alto, CA
Santa Clara Co.
United States 		Addison Ave. / Bryant St.
(37.44197, -122.15540) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
15.1722 		Other (At-Grade)
Single-Lane 		Functional Class: Local 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)
Mini-roundabout 		2019 Mini-roundabout adjacent Tyee Middle School, completed October 2019. ICD estimated from Google Maps linework.
Palo Alto, CA
Santa Clara Co.
United States 		Lytton Ave. / Fulton St.
(37.45214, -122.15750) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
9.4813 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Mill Creek, WA
Snohomish Co.
United States 		SE 116th St. / 56th Ave SE
(47.89201, -122.15856) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
80.8842 		Other (At-Grade)
Mini-roundabout 		2012 Open August 2012. 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.
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).
Stanford, CA
Santa Clara Co.
United States 		Campus Dr. / Serra St.
(37.42679, -122.15944) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.5257 		Other (At-Grade)
Single-Lane 		2018 https://transportation.stanford.edu/news/stanfords-fifth-roundabout-open-serra-street-and-campus-drive-east ICD estimated from Google Maps linework.
Stanford, CA
Santa Clara Co.
United States 		Campus Dr. / Escondido Rd.
(37.42427, -122.16053) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
19.9182 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
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).
Stanford, CA
Santa Clara Co.
United States 		Campus Dr. / Bowdoin St.
(37.42271, -122.16149) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
27.5066 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Marysville, WA
Snohomish Co.
United States 		Shoultes Rd. / 51st Ave. NE / 108th St. NE
(48.09268, -122.16210) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.5158 		Other (At-Grade)
Multilane (2 Lane) 		2006 Opened September 2006. ICD estimated from Google Maps linework.
Stanford, CA
Santa Clara Co.
United States 		Galvez St. / Arboretum Rd.
(37.43602, -122.16281) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019 Right-turn bypass lane on northeast leg; through bypass lane on southwest leg. Year Completed estimated (2018-2020).
Stanford, CA
Santa Clara Co.
United States 		Campus Dr. / Galvez St.
(37.43156, -122.16420) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
32.2453 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Marysville, WA
Snohomish Co.
United States 		92nd St. NE / 48th Dr. NE
(48.07907, -122.16566) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
13.7160 		Other (At-Grade)
Single-Lane
Bonney Lake, WA
Pierce Co.
United States 		198th Ave. E / Cascadia Blvd. E
(47.12299, -122.16688) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.6959 		Other (At-Grade)
Single-Lane 		2008 Fourth (southeast) leg added 2018. ICD estimated from Google Maps linework.
Bothell, WA
Snohomish Co.
United States 		SR 524 (Maltby Rd.) / (unknown)
(47.80956, -122.16689) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2020
Marysville, WA
Snohomish Co.
United States 		92nd St. NE / 46th Dr. NE
(48.07910, -122.16836) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
13.7157 		Other (At-Grade)
Single-Lane
Bonney Lake, WA
Pierce Co.
United States 		Cascadia Blvd E / Canyon View Blvd. E
(47.12810, -122.17464) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.6916 		Other (At-Grade)
Single-Lane 		2008 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.
Bonney Lake, WA
Pierce Co.
United States 		Cascadia Blvd E. / Forest Park Blvd. E
(47.12820, -122.18033) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.0035 		Other (At-Grade)
Multilane (2 Lane) 		2014 Open December 2014. ICD estimated from Google Maps linework.
Stanford, CA
Santa Clara Co.
United States 		Campus Dr. / Santa Teresa St.
(37.42678, -122.18140) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.5567 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Marysville, WA
Snohomish Co.
United States 		34th Ave. NE-Quil Ceda Blvd. / Tulalip Casino entrance
(48.08801, -122.18560) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
74.9927 		Other (At-Grade)
Single-Lane 		2001 Opened October 2001 as multilane roundabout. Modified April 2014 to reduce to single-lane roundabout with right-turn-only lanes. ICD estimated from Google Maps linework. 21442
Marysville, WA
Snohomish Co.
United States 		34th Ave. NE / Quil Ceda Blvd.
(48.10637, -122.18610) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
35.0906 		Other (At-Grade)
Multilane (2 Lane) 		2007 Opened May 2007. 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) 		2018 Date from Streetview 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) 		2013 Year Completed estimated (2012-2014). ICD estimated from Google Maps linework.
Everett, WA
Snohomish Co.
United States 		41st St. / Lowell Riverfront Trl. Ext.
(47.96284, -122.19307) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.9842 		Other (At-Grade)
Single-Lane 		2013 Right-turn bypass lane on north leg. Open January 2013. ICD estimated from Google Maps linework.
Marysville, WA
Snohomish Co.
United States 		SR 531 (172nd St. NE) / 23rd Ave. NE
(48.15210, -122.19919) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2016 Open January 2016.
Marysville, WA
Snohomish Co.
United States 		25th Ave. NE / 174th St. NE
(48.15374, -122.19930) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.7001 		Other (At-Grade)
Mini-roundabout 		2017 May be large enough to qualify as a compact roundabout but has a fully traversable central island. 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.
Renton, WA
King Co.
United States 		N. 10th St. / Renton Landing Entrance
(47.49780, -122.20460) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
31.4695 		Other (At-Grade)
Single-Lane 		2008 June 2008. ICD estimated from Google Maps linework.
Kent, WA
King Co.
United States 		SE 244th St. / 100th Ave. SE
(47.38335, -122.20736) 		Traffic Calming Circle
Existing 		Other
None 		4 Approaches
0 Driveways
11.3213 		Other (At-Grade)
Single-Lane 		2016 This is now a dog bone-shaped traffic circle with two-way Yield control on the east and west approaches and no control north-south. Previous control was stop-control on the east leg only before the west leg was built. 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.
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.
Yarrow Point, WA
King Co.
United States 		92nd Ave. NE / NE Points Dr. / NE 33rd St. / SR 520 WB Off-Ramp
(47.64153, -122.21728) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
86.9075 		Freeway Ramps (Grade-Separated)
Single-Lane 		2014 Open August 2014. ICD estimated from Google Maps linework.
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.
Hunts Point, WA
King Co.
United States 		Hunts Point Rd. / NE 28th St. / 84th Ave. NE / SR 520 ramps
(47.63600, -122.22744) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6536 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane) 		2014 Open June 2014. ICD estimated from Google Maps linework.
Hunts Point, WA
King Co.
United States 		84th Ave. NE / NE 30th St.
(47.63651, -122.22817) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
159.3457 		Other (At-Grade)
Single-Lane 		2014 Originally built between 1990 and 2002. Modified June 2014 to realign south leg. No splitter islands. ICD estimated from Google Maps linework.
Oakland, CA
Alameda Co.
United States 		E 29th Ave. / E 9th St. / I-880 NB Onramp
(37.77536, -122.23293) 		Roundabout
Existing 		All-Way Yield
Metering Signal 		2 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2018 Ramp meter on south leg upstream of roundabout to meter freeway entrance ramp.
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.
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
Sedro-Woolley, WA
Skagit Co.
United States 		SR 20 / Industrial Park entrance / Les Schwab Tires
(48.51053, -122.24150) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
30.8576 		Other (At-Grade)
Single-Lane 		2009 August 2009. ICD estimated from Google Maps linework.