Roundabouts Database

29465 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 		33rd Ave. E / E. Pike St.
(47.61405, -122.29030) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
73.2661 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Mukilteo, WA
Snohomish Co.
United States 		South Rd. / Harbour Reach Dr.
(47.88136, -122.29025) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.7469 		Other (At-Grade)
Single-Lane 		2021
Seattle, WA
King Co.
United States 		33rd Ave. E / E. Howell St.
(47.61764, -122.29020) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
79.7016 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
El Cerrito, CA
Contra Costa Co.
United States 		Lynn Ave. / Carmel Ave.
(37.90074, -122.29015) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
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.
Berkeley, CA
Alameda Co.
United States 		Matthews St. / Blake St.
(37.86053, -122.28713) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
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.
Kensington, CA
Contra Costa Co.
United States 		Kensington Circle (Colusa Ave. / Oak View Ave. / Berkeley Park Blvd.)
(37.89957, -122.28708) 		Other
Existing 		All-Way Stop
None 		6 Approaches
0 Driveways
30.1578 		Other (At-Grade)
Single-Lane 		Stop control, parking along circulatory roadway. In 1992 the central island was a narrow oval on the NW-SE diagonal and traffic moved too fast. Over the years Contra Costa County has widened the island, closer to a circle, with paint and rumble strips, and slowed the traffic. ICD estimated from Google Maps linework.
Graham, WA
Pierce Co.
United States 		Rainier Ridge Blvd. E / 186th St. E / Glacier Way E
(47.08689, -122.28699) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2019
Federal Way, WA
King Co.
United States 		S 334th St. / 38th Ave. S
(47.30278, -122.28610) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.3466 		Other (At-Grade)
Single-Lane 		2006 Opened January 2006. ICD estimated from Google Maps linework.
Anderson, CA
Shasta Co.
United States 		Factory Outlets Dr. / I-5 NB Ramps / Locust St. / Deschutes Rd.
(40.43782, -122.28600) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.0869 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2013 Freeway off-ramp added with roundabout. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Berkeley, CA
Alameda Co.
United States 		Channing Way / West St.
(37.86354, -122.28497) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Acton St. / Blake St.
(37.86106, -122.28303) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Channing Way / Edwards St.
(37.86388, -122.28229) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
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).
Kent, WA
King Co.
United States 		S. 216th St. / 42nd Ave. S / 40th Pl. S
(47.40843, -122.28120) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
23.4402 		Other (At-Grade)
Single-Lane 		2001 Opened July 2001. ICD estimated from Google Maps linework.
Berkeley, CA
Alameda Co.
United States 		California St. / Addison St.
(37.86971, -122.27967) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Allston St. / California St.
(37.86791, -122.27948) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		California St. / Parker St.
(37.86075, -122.27835) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		California St. / Derby St.
(37.85899, -122.27798) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		California St. / Oregon St.
(37.85632, -122.27743) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		California St. / Russell St.
(37.85524, -122.27723) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		California St. / Tyler St.
(37.85266, -122.27674) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		California St. / Prince St.
(37.85176, -122.27656) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		California St. / Woolsey St
(37.85088, -122.27637) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		California St. / Fairview St.
(37.84998, -122.27619) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		California St. / Harmon St.
(37.84908, -122.27602) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		California St. / 62nd St.
(37.84638, -122.27545) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Grant St. / Addison St.
(37.87029, -122.27514) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Allston Way / Grant St.
(37.86850, -122.27496) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		King St. / Prince St.
(37.85210, -122.27405) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		King St. / Woolsey St.
(37.85118, -122.27394) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		King St. / Fairview St.
(37.85028, -122.27384) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		McKinley Ave. / Allston Way
(37.86865, -122.27384) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		King St. / Harmon St.
(37.84937, -122.27376) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Ellis St. / Woolsey St.
(37.85132, -122.27293) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Ellis St. / Fairview St.
(37.85042, -122.27282) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Harmon St. / Ellis St.
(37.84950, -122.27272) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Marin Ave. / Los Angeles Ave. / Del Norte St. / Arlington Ave.
(37.89015, -122.27240) 		Other
Existing 		One-Way/Two-Way Stop
None 		6 Approaches
0 Driveways
25.4489 		Other (At-Grade)
Single-Lane 		Free movement on Marin Ave.; rest are stop-controlled ICD estimated from Google Maps linework.
Auburn, WA
Pierce Co.
United States 		Peasley Canyon Rd. / Peasley Canyon Way
(47.30340, -122.27190) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.3463 		Other (At-Grade)
Single-Lane 		2012 Opened January 2012. ICD estimated from Google Maps linework.
Vallejo, CA
Solano Co.
United States 		Azuar Ave. / Sundance Ave. / Bagley St. / Walnut Ave.
(38.09329, -122.27020) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
48.8772 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Hercules, CA
Contra Costa Co.
United States 		Maybeck Ln. / Craftsman Dr.
(38.02209, -122.26706) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Mount Vernon, WA
Skagit Co.
United States 		SR 538 (E College Way) / SR 9
(48.43002, -122.26460) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
1 Driveways
38.0389 		Other (At-Grade)
Single-Lane 		2007 Opened July 2007. Rural. Fatal crash December 22, 2011. 11861-05. ICD estimated from Google Maps linework.
Berkeley, CA
Alameda Co.
United States 		Fulton St. / Ward St.
(37.85980, -122.26434) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		Fulton St. / Stuart St.
(37.85890, -122.26415) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Berkeley, CA
Alameda Co.
United States 		University Dr. / Hilgard Way
(37.87213, -122.26356) 		Other
Existing 		Other
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Stop control on two of three legs.
Berkeley, CA
Alameda Co.
United States 		Ellsworth St. / Parker St.
(37.86276, -122.26264) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
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.
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
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
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.
Brier, WA
Snohomish Co.
United States 		Locust Way / Logan Rd. / Larch Way
(47.80828, -122.25425) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2024 https://snohomishcountywa.gov/3811/Larch-Way-and-Locust-Way---Bothell-2024
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.
Berkeley, CA
Alameda Co.
United States 		Piedmont Ave. / Channing Way
(37.86780, -122.25188) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Crosswalks within circulatory roadway.
Hercules, CA
Contra Costa Co.
United States 		Refugio Valley Rd. / Redwood Rd. / Falcon Way
(37.99686, -122.24780) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.8238 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Sedro-Woolley, WA
Skagit Co.
United States 		Cook Rd. / Ferry St. / Washington St. / Edward R Murrow St.
(48.50715, -122.24729) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
69.6321 		Other (At-Grade)
Single-Lane 		2013 Open October 2013. ICD estimated from Google Maps linework.
Sedro-Woolley, WA
Skagit Co.
United States 		SR 9 / Rhodes Rd. / Jameson Rd.
(48.49863, -122.24720) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.4477 		Other (At-Grade)
Single-Lane 		2016 Open November 2016. ICD estimated from Google Maps linework.
Sedro-Woolley, WA
Skagit Co.
United States 		SR 20 / Cook Rd.
(48.50724, -122.24428) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
58.5542 		Other (At-Grade)
Single-Lane 		2014 Open July 2014. ICD estimated from Google Maps linework.
Edgewood Park, CA
San Mateo Co.
United States 		Wellesley Crescent (Edgewood Rd. / Hyde St. / Arlington Rd. / Claremont Ave.)
(37.49036, -122.24340) 		Other
Existing 		All-Way Stop
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Elliptical shaped.
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
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.
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
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
Mercer Island, WA
King Co.
United States 		N Mercer Way / 77th Ave. SE
(47.58909, -122.23430) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2023 https://letstalk.mercergov.org/Transit-Interchange/news_feed/transit-interchange-complete
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.
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.
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, unspecified) 		2014 Open June 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.
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.
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.
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.
Kent, WA
King Co.
United States 		94th Ave. S / S 237th Pl.
(47.38921, -122.21537) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.2024 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023 Raised but mountable central island, painted splitter islands.
Sedro-Woolley, WA
Skagit Co.
United States 		Fruitdale Rd. / Thompson Rd.
(48.52726, -122.21071) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
23.7744 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2018
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.
Bellevue, WA
King Co.
United States 		100th Ave. NE / NE 10th St. / Belfair Ln.
(47.61924, -122.20706) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2020 Year Completed estimated (2019-2020).
Arlington, WA
Snohomish Co.
United States 		236th St. NE / 19th Ave. NE
(48.20959, -122.20491) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		2021 https://www.236safetyimprovements.org/project-updates
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.
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.
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)
Single-lane w/ Traversable Central Island 		2017 May be large enough to qualify as a compact roundabout but has a fully traversable central island. 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.
Kent, WA
King Co.
United States 		SE 272nd St. / 106th Ave. SE
(47.35794, -122.19865) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2880 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2022 Built by developer.
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.
Everett, WA
Snohomish Co.
United States 		Riverfront Blvd. / 29th Ave. SE / 44th St. SE
(47.95950, -122.19112) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2020
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.
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.
Kirkland, WA
King Co.
United States 		NE 132nd St. / 116th Way NE / I-405 SB Exit Ramp / 114th Pl. NE
(47.71843, -122.18834) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		5 Approaches
0 Driveways
42.6720 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2024 https://wsdot.wa.gov/construction-planning/search-projects/i-405northeast-132nd-street-interchange-project
Kirkland, WA
King Co.
United States 		NE 132nd St. / Totem Lake Blvd. NE / 116th Ave. NE / I-405 NB Entrance Ramp
(47.71844, -122.18653) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2024 https://wsdot.wa.gov/construction-planning/search-projects/i-405northeast-132nd-street-interchange-project
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, unspecified) 		2007 Opened May 2007. 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
Plateau, WA
King Co.
United States 		Auburn Way / (school entrance) / (parking)
(47.28822, -122.18165) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 Entrance to Chinook elementary school.
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.
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, unspecified) 		2014 Open December 2014. 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 / 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.
Marysville, WA
Snohomish Co.
United States 		2nd St. / Alder St.
(48.04998, -122.17357) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2017
Marysville, WA
Snohomish Co.
United States 		3rd St. / Alder Ave.
(48.05090, -122.17315) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2016
Arlington, WA
Snohomish Co.
United States 		SR 531 (172nd St. NE) / 43rd Ave. NE
(48.15231, -122.17230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 https://www.arlingtonwa.gov/758/43rd-Ave-SR-531-172nd-St-Roundabout
Marysville, WA
Snohomish Co.
United States 		2nd St. / Quinn Ave.
(48.04997, -122.17142) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2017
Marysville, WA
Snohomish Co.
United States 		3rd St. / Quinn Ave.
(48.05089, -122.17141) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2016
Marysville, WA
Snohomish Co.
United States 		2nd St. / Union Ave.
(48.04996, -122.16967) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2017