28735 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
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.
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
29.2999
Other (At-Grade)
Single-Lane
2018 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.
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.
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
Marysville, WA
Snohomish Co.
United States
3rd St. / Union Ave.
(48.05088, -122.16967)
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
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
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
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.
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
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.
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).
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, unspecified)
2006 Opened September 2006. ICD estimated from Google Maps linework.
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.
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. / 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.
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.
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).
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.
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)
Single-lane w/ Traversable Central Island
2012 Open August 2012. 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.
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.
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.
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.
Arlington Bluff, WA
Snohomish Co.
United States
SR 530 / 59th Ave. NE
(48.18839, -122.15068)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-lane w/ Traversable Central Island
2023 https://www.arlingtonwa.gov/735/SR-530---59th-211th-Roundabouts
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.
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.
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.
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.
Arlington, WA
Snohomish Co.
United States
SR 530 / 211th Pl. NE
(48.18852, -122.14376)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-lane w/ Traversable Central Island
2023 https://www.arlingtonwa.gov/735/SR-530---59th-211th-Roundabouts