Roundabouts Database

28850 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
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, unspecified) 		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 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.
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
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.
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.
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 		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.
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.
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.
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.
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.
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
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
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.
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
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 		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 		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
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.
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.
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.
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.
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.
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 		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 		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 		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 		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. / 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. / 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 		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 		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 		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 		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. / 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. / 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. / 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. / 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. / 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. / 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. / 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. / 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 		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. / 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
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.
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).
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
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 / 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
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.
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.
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
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.
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.
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
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.
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
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.
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. 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.
Puyallup, WA
Pierce Co.
United States 		15th Ave. SE / 3rd St. SE
(47.17741, -122.29100) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2010 June 2010.
El Cerrito, CA
Contra Costa Co.
United States 		Lynn Ave. / Ramona Ave.
(37.90057, -122.29100) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Edgewood, WA
Pierce Co.
United States 		Jovita Blvd. E / Emerald St.
(47.25272, -122.29104) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.6695 		Other (At-Grade)
Single-Lane 		2013 Open July 2013. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		32nd Ave. E / E. Pine St.
(47.61526, -122.29130) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
63.6032 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		32nd Ave. E / E. Olive St.
(47.61643, -122.29130) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
22.5424 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		32nd Ave. E / E. Howell St.
(47.61763, -122.29130) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
11.2709 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		32nd Ave. E / E. Pike St.
(47.61408, -122.29140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Berkeley, CA
Alameda Co.
United States 		Tenth St. / Bancroft Way
(37.86439, -122.29186) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Seattle, WA
King Co.
United States 		31st Ave. E / E. Denny St.
(47.62016, -122.29230) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
64.4023 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		31st Ave. E / E. Pike St.
(47.61410, -122.29250) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Federal Way, WA
King Co.
United States 		S 323rd St. / 32nd Ave. S
(47.31214, -122.29250) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.5368 		Other (At-Grade)
Single-Lane 		2000 Opened April 2000. ICD estimated from Google Maps linework.
Federal Way, WA
King Co.
United States 		Weyerhaeuser Way S / 33rd Pl S / 32nd Dr. S
(47.29863, -122.29280) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.6385 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 Opened April 2000. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Abbotsford, BC
Fraser Valley
Canada 		McCallum Rd. / Trans-Canada Hwy WB ramps
(49.03493, -122.29284) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
47.7630 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2011 ICD estimated from Google Maps linework.
Abbotsford, BC
Fraser Valley
Canada 		McCallum Rd. / Trans-Canada Hwy EB Ramps / King Connector / Hawthorne Ave.
(49.03353, -122.29284) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
64.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2011
Berkeley, CA
Alameda Co.
United States 		Ninth St. / Bancroft Way
(37.86416, -122.29297) 		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 		Ninth St. / Allston Way
(37.86593, -122.29353) 		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 		Ninth St. / Addison St.
(37.86738, -122.29401) 		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 		Delaware St. / Tenth St.
(37.87145, -122.29413) 		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 		Ninth St. / Hearst Ave.
(37.86998, -122.29484) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Seattle, WA
King Co.
United States 		29th Ave. S / S. Judkins St.
(47.59217, -122.29550) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
12.8873 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Berkeley, CA
Alameda Co.
United States 		Seventh St. / Allston Way
(37.86549, -122.29577) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Seattle, WA
King Co.
United States 		E. Ward St. / 28th Ave. E.
(47.62741, -122.29640) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.7327 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Federal Way, WA
King Co.
United States 		Weyerhaeuser Way S / S 336th St.
(47.30262, -122.29650) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2004 Opened July 2004. Painted spirals in circulatory roadway to guide all three left turns to outer circulating lane.
Federal Way, WA
King Co.
United States 		Military Rd. S / S 298 St.
(47.33514, -122.29673) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
11.3317 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2019 "Compact" roundabout with 85-foot inscribed diameter and fully traversible center island and raised splitter islands. Opened in March 2019. Military Rd is a Minor Arterial, 40 mph, S 298 St is a Minor Collector, 25 mph. ICD estimated from Google Maps linework.
Anderson, CA
Shasta Co.
United States 		Pleasant Hills Dr. / Domaine Pl.
(40.42966, -122.29692) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.6377 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Berkeley, CA
Alameda Co.
United States 		Seventh St. / Hearst Ave.
(37.86953, -122.29705) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Federal Way, WA
King Co.
United States 		S 317th St. / 28th Ave. S / I-5 HOV Access Ramps
(47.31781, -122.29760) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.4836 		Freeway Ramps (Grade-Separated)
Single-Lane 		2006 Opened February 2006. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		28th Ave. NE / NE Hiram Pl. / NE 120th St.
(47.71572, -122.29810) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
164.7289 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		26th Ave. S / S. Dearborn St.
(47.59555, -122.29880) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
48.3244 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		26th Ave. S / S. Judkins St.
(47.59209, -122.29900) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
20.9420 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Anderson, CA
Shasta Co.
United States 		Pleasant Hills Dr. / (unknown)
(40.42415, -122.29962) 		Other
Existing 		Other
None 		3 Approaches
0 Driveways
29.0944 		Other (At-Grade)
Single-Lane 		2006 No control on entries. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		25th Ave. S / S Dearborn St.
(47.59556, -122.30010) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		0 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2006