Roundabouts Database Index

29411 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.

City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
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
Napa, CA Napa Co. United States	1st St. / California Blvd. (38.29823, -122.30024)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.3668	Other (At-Grade) Unknown	2020	Completed April 2020. ICD estimated from Google Maps linework.
Napa, CA Napa Co. United States	California Blvd. / 2nd St. (38.29732, -122.30025)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.8687	Other (At-Grade) Unknown	2020	Completed April 2020. ICD estimated from Google Maps linework.
Federal Way, WA King Co. United States	S 300th St. / 26th Ave. S / (parking) (47.33321, -122.30053)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.8120	Other (At-Grade) Single-lane w/ Traversable Central Island	2021	Painted splitter islands. Year Completed estimated (2020-2021).
Anderson, CA Shasta Co. United States	Pleasant Hills Dr. / (unknown 2) (40.42248, -122.30084)	Other Existing	Other None	3 Approaches 0 Driveways 30.9136	Other (At-Grade) Single-Lane	2006	No control on entries. ICD estimated from Google Maps linework.
Napa, CA Napa Co. United States	1st St. / SR 29 NB Ramps (38.29884, -122.30117)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 31.8681	Freeway Ramps (Grade-Separated) Unknown	2020	Completed April 2020. ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	24th Ave. S / S. Dearborn St. (47.59557, -122.30120)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 13.6919	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	24th Ave. S / S. Norman St. (47.59301, -122.30120)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 41.0778	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Federal Way, WA King Co. United States	S 300th St. / 24th Pl. S / (parking) (47.33323, -122.30213)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.8120	Other (At-Grade) Single-lane w/ Traversable Central Island	2021	Painted splitter islands. Year Completed estimated (2020-2021).
Seattle, WA King Co. United States	22nd Ave. E / E Thomas St. (47.62138, -122.30360)	Traffic Calming Circle Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2006
Seattle, WA King Co. United States	21st Ave. E / E. Republican St. (47.62320, -122.30470)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 5.6349	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Bellingham, WA Whatcom Co. United States	SR 542 (Mt Baker Hwy.) / E Smith Rd. / Allison Rd. (48.83225, -122.30533)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 37.7369	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2014). ICD estimated from Google Maps linework.
Redding, CA Shasta Co. United States	Shasta View Dr. / Lemurian Rd. (40.52218, -122.30641)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2016	Here is a link to a portion of the approved plans for the project: http://epayments.ci.redding.ca.us/RDM/Adrawing/26686.pdf
Berkeley, CA Alameda Co. United States	Gilman St. / I-80 EB Ramps / Eastshore Hwy. (37.87826, -122.30681)	Roundabout Unknown	All-Way Yield Unknown	5 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Unknown		Opening 2024 https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/d4-alameda-80-gilman-interchange-improvement-project
Federal Way, WA King Co. United States	20th Ave. S / S 332nd St. (47.30376, -122.30750)	Traffic Calming Circle Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 19.2024	Other (At-Grade) Single-Lane	2007	Painted splitter islands, limited outside curbing.
Federal Way, WA King Co. United States	20th Ave. S / S 330th St. (47.30605, -122.30752)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 19.2024	Other (At-Grade) Single-Lane	2007	Painted splitter islands, limited outside curbing
Berkeley, CA Alameda Co. United States	Gilman St. / I-80 WB Ramps / Frontage Rd. (37.87808, -122.30769)	Roundabout Unknown	All-Way Yield Unknown	5 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Unknown		Opening 2024 https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/d4-alameda-80-gilman-interchange-improvement-project
Seattle, WA King Co. United States	18th Ave. E. / E. Spring St. (47.61154, -122.30890)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 8.0516	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	17th Ave. E. / E. Spring St. (47.61153, -122.31020)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 5.6361	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	17th Ave. E. / E. Marion St. (47.61036, -122.31020)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 6.4414	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Berkeley, CA Alameda Co. United States	University Ave. / Marina Blvd. (37.86518, -122.31113)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2022	https://www.berkeleyside.org/2022/06/16/berkeley-marina-university-avenue-repaved
Seattle, WA King Co. United States	16th Ave. E. / E. Marion St. (47.61037, -122.31150)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 9.6621	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	16th Ave. E. / E. Spring St. (47.61154, -122.31150)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 8.8568	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	S Atlantic St. / Sturgus Ave. S (47.59000, -122.31165)	Traffic Calming Circle Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Seattle, WA King Co. United States	15th Ave. E. / E. Spring St. (47.61155, -122.31280)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 44.2838	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Federal Way, WA King Co. United States	16th Ave. S / Todd Beamer High School entrance (47.27650, -122.31360)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 29.9813	Other (At-Grade) Single-Lane	2003	Opened September 2003. Access to high school. ICD estimated from Google Maps linework.
Rancho, CA Shasta Co. United States	Shasta View Dr. / (unknown) (40.52310, -122.31469)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021
Federal Way, WA King Co. United States	S 308th St. / 14th Ave. S (47.32601, -122.31601)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 19.5072	Other (At-Grade) Single-lane w/ Traversable Central Island	2014	This is a mini-roundabout with fully traversable center island. Inscribed diameter is about 64 feet, opened in August 2014. An RRFB is present at the school crossing on the east leg; the previous raised crosswalk was removed. The north leg is a driveway to the newly remodeled high school. Both streets are Minor Collectors with 25 mph speed limits.
Rancho, CA Shasta Co. United States	Shasta View Dr. / San Pablo St. (40.52636, -122.31709)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2021
Redding, CA Shasta Co. United States	Yellowstone Dr. / Western Oak Dr. (40.54391, -122.31766)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 45.3790	Other (At-Grade) Single-Lane	2002	Year Completed estimated (1999-2004). ICD estimated from Google Maps linework.
Rancho, CA Shasta Co. United States	Shasta View Dr. / (future roads) (40.53000, -122.31770)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2021
Redding, CA Shasta Co. United States	Madison River Dr. / Yellowstone Dr. (40.54201, -122.31782)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2002	Year Completed estimated (1999-2004).
Federal Way, WA King Co. United States	S 317th St. / 11th Pl. S (47.31677, -122.31839)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2016	Access to multifamily housing, public streets.
Seattle, WA King Co. United States	NE 47th St. / 9th Ave. NE (47.66312, -122.31841)	Traffic Calming Circle Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Shoreline, WA King Co. United States	NE 185 St. / 10th Ave. NE (47.76316, -122.31888)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2020	https://www.shorelineareanews.com/2020/04/roundabout-completed-at-10th-ne-and-ne.html
Redding, CA Shasta Co. United States	Madison River Dr. / Clark River Dr. (40.54198, -122.31914)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2002	Year Completed estimated (1999-2004).
Seattle, WA King Co. United States	NE 47th St. / 8th Ave. NE (47.66314, -122.31957)	Traffic Calming Circle Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Seattle, WA King Co. United States	8th Ave. NE / NE 115th St. (47.71221, -122.32060)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other (At-Grade) Unknown
Seattle, WA King Co. United States	8th Ave. NE / NE 117th St. (47.71402, -122.32070)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other (At-Grade) Unknown
Seattle, WA King Co. United States	8th Ave. NE / NE 120th St. (47.71584, -122.32070)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways	Other (At-Grade) Unknown
Seattle, WA King Co. United States	8th Ave. NE / NE 123rd St. (47.71767, -122.32080)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 29.7304	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Shoreline, WA King Co. United States	NE 185th St. / 8th Ave. NE (47.76320, -122.32152)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	https://www.shorelineareanews.com/2024/05/185th-roundabout-is-open.html
Seattle, WA King Co. United States	Boylston Ave. / E. Howell St. (47.61765, -122.32347)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 128.8107	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Federal Way, WA King Co. United States	S 333rd St. / Community Center Entrance (47.30548, -122.32380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.1550	Other (At-Grade) Single-Lane	2006	January 2006. ICD estimated from Google Maps linework.
Redding, CA Shasta Co. United States	Shasta View Dr. / Old Alturas Rd. (40.58781, -122.32480)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.9073	Other (At-Grade) Single-Lane	2010	Right-turn yield-controlled bypass lane in NW quadrant. ICD estimated from Google Maps linework.
Lynnwood, WA Snohomish Co. United States	68th Ave. W / 204th St. SW (47.81409, -122.32484)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.0509	Other (At-Grade) Single-Lane	2015	Edmonds Community College. Open August 2015. ICD estimated from Google Maps linework.
Redding, CA Shasta Co. United States	Shasta View Dr. / Inspiration Pl. (40.59578, -122.32500)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.9026	Other (At-Grade) Single-Lane	2009	In a new school zone Functional Class: Arterial ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Minor Ave. / Union St.-E Union St. / Bellevue Ave. (47.61296, -122.32688)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Seattle, WA King Co. United States	2nd Ave. NE / NE 91st St. (47.69499, -122.32710)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 8.0388	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	2nd Ave. NE / NE 44th St. (47.66022, -122.32730)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 33.7853	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	2nd Ave. NE / NE 43rd St. (47.65896, -122.32730)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 70.7899	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Mount Vernon, WA Skagit Co. United States	Anderson Rd. / Cedardale Rd. (48.39943, -122.32812)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island	2013	Open November 2013.
Lynnwood, WA Snohomish Co. United States	200th St. SW / (unknown) (47.81664, -122.32998)	Other Existing	Uncontrolled Unknown	2 Approaches 1 Driveways 27.4317	Other (At-Grade) Single-Lane
Seattle, WA King Co. United States	Sunnyside Ave. N / N 42nd St. (47.65794, -122.33020)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 16.8934	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.