Roundabouts Database

15754 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
Tacoma, WA
Pierce Co.
United States 		N Pearl St. / Five Mile Dr. / N Waterfront Dr. / Ferry Crossing Landing Rd / Park Ave.
(47.30193, -122.51556) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
32.3966 		Other (At-Grade)
Single-Lane 		2018 https://www.thenewstribune.com/news/local/article196233104.html ICD estimated from Google Maps linework.
Tacoma, WA
Pierce Co.
United States 		(unknown) / (unknown)
(47.30214, -122.51434) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
27.5370 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
(unincorporated), OR
Clackamas Co.
United States 		SE 147th Ave. / Oregon Trail Dr. / Hines Dr. / Sieben Pkwy.
(45.42280, -122.51240) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
34.3688 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Happy Valley, OR
Clackamas Co.
United States 		SE 145th Ave. / SE 147th Ave. / Scouters Mountain Rd.
(45.44111, -122.51231) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
36.0336 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Ruston, WA
Pierce Co.
United States 		N Ruston Way / Baltimore St. / N 51st St. / Yacht Club Rd.
(47.29908, -122.50894) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
101.2449 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Ruston, WA
Pierce Co.
United States 		N Ruston Way / Grand Ave.
(47.29725, -122.50488) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
79.3788 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Bellingham, WA
Whatcom Co.
United States 		Northwest Ave. / I-5 NB Ramp
(48.78500, -122.50420) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.4117 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 RT bypass lane on southbound approach. ICD estimated from Google Maps linework.
Ruston, WA
Pierce Co.
United States 		Main St. / Bay View Corridor
(47.29744, -122.50297) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1095 		Other (At-Grade)
Single-Lane 		2014 Open September 2014. ICD estimated from Google Maps linework.
Bellingham, WA
Whatcom Co.
United States 		Northwest Blvd. / McLeod Rd.
(48.78262, -122.50297) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
56.6614 		Other (At-Grade)
Single-Lane 		2013 Open June 2013. ICD estimated from Google Maps linework.
(unincorporated), CA
Sonoma Co.
United States 		Arnold Dr. / Agua Caliente Rd.
(38.32045, -122.50220) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.8586 		Other (At-Grade)
Single-Lane 		2013 Completed 2013. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Clackamas, OR
Clackamas Co.
United States 		SE 157th Ave. / SE 162nd Ave.
(45.42429, -122.49770) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.8826 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Tacoma, WA
Thurston Co.
United States 		N. 37th St. / Stevens St. / Mason Ave.
(47.28197, -122.49590) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.8760 		Other (At-Grade)
Single-Lane 		2007 One leg skewed at ~60 degrees. Opened April 2007. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Bellingham, WA
Whatcom Co.
United States 		Cordata Pkwy. / Stuart Rd.
(48.79931, -122.49572) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.4016 		Other (At-Grade)
Multilane (2 Lane) 		2019 https://www.cob.org/gov/projects/Pages/Cordata%20Stuart%20Roundabout.aspx. ICD estimated from Google Maps linework.
Sausalito, CA
Marin Co.
United States 		Conzelman Rd. / McCullough Rd.
(37.83361, -122.49400) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.2415 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Tacoma, WA
Pierce Co.
United States 		S Tyler St. / S 66th St.
(47.19746, -122.49280) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.9685 		Other (At-Grade)
Single-Lane 		2005 Opened July 2005. Fatal crash August 12. 2006. 11861-05. ICD estimated from Google Maps linework.
Bellingham, WA
Whatcom Co.
United States 		Cordata Pkwy. / Kellogg Rd.
(48.79511, -122.49170) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.3384 		Other (At-Grade)
Multilane (2 Lane) 		2003 Primary access to Whatcom Community College. Functional Class: Arterial ICD estimated from Google Maps linework.
Bellingham, WA
Whatcom Co.
United States 		Cordata Pkwy. / Westerly Dr.
(48.79198, -122.49140) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.4068 		Other (At-Grade)
Multilane (2 Lane) 		2005 http://cob.org/documents/pw/curconst/ES-0237.pdf Functional Class: Arterial ICD estimated from Google Maps linework.
La Conner, WA
Skagit Co.
United States 		LaConner-Whitney Rd. / Chilberg Rd. / Morris Sr.
(48.39234, -122.48660) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.5504 		Other (At-Grade)
Single-Lane 		2003 Roundabout replaces a Y intersection. The center island is under private ownership and contains an exisitng granite monument. Opened September 2003. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Lynden, WA
Whatcom Co.
United States 		SR 539 / Ten Mile Rd.
(48.86968, -122.48580) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.3503 		Other (At-Grade)
Multilane (2 Lane) 		2009 ICD estimated from Google Maps linework.
Lynden, WA
Whatcom Co.
United States 		SR 539 / River Rd.
(48.92280, -122.48565) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.0858 		Other (At-Grade)
Multilane (2 Lane) 		2009 ICD estimated from Google Maps linework.
Lynden, WA
Whatcom Co.
United States 		SR 539 / Pole Rd.
(48.89152, -122.48560) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.1153 		Other (At-Grade)
Multilane (2 Lane) 		2009 ICD estimated from Google Maps linework.
Lynden, WA
Whatcom Co.
United States 		SR 539 / Wiser Lake Rd.
(48.90677, -122.48560) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.1009 		Other (At-Grade)
Multilane (2 Lane) 		2009 ICD estimated from Google Maps linework.
Clackamas, OR
Clackamas Co.
United States 		SE 172nd Ave. / SE Creekwood Rd.
(45.41880, -122.48550) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.5928 		Other (At-Grade)
Multilane (2 Lane) 		2009 Creekwood Rd. is new roadway; SE 172nd Avenue is existing. ICD estimated from Google Maps linework.
Bellingham, WA
Whatcom Co.
United States 		N State St. / Wharf St. / N Forest St. / Boulevard
(48.74361, -122.48473) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.8297 		Other (At-Grade)
Single-Lane 		2013 Open October 2013. ICD estimated from Google Maps linework.
San Francisco State University, CA
San Francisco Co.
United States 		Font Blvd. / (parking lot)
(37.72286, -122.48358) 		Other
Existing 		Two-Way Stop
Unknown 		3 Approaches
0 Driveways
33.0641 		Other (At-Grade)
Single-Lane 		1950 ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Font Blvd. / Arballo Dr.
(37.72177, -122.48231) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
35.8987 		Other (At-Grade)
Single-Lane 		1950 ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Font Blvd. / Pinto Ave. / Holloway Ave.
(37.72069, -122.48105) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
32.1204 		Other (At-Grade)
Single-Lane 		1950 ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Bucareli Dr. / Gonzalez Dr.
(37.71695, -122.48001) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
18.8953 		Other (At-Grade)
Single-Lane 		1950 ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Font Blvd. / Serrano Dr.
(37.71957, -122.47976) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
32.1209 		Other (At-Grade)
Single-Lane 		1950 ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Grijalva Dr. / Gonzalez Dr.
(37.71638, -122.47919) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
21.7298 		Other (At-Grade)
Single-Lane 		1950 ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Juan Bautista Circle
(37.71804, -122.47795) 		Other
Existing 		All-Way Stop
Unknown 		7 Approaches
0 Driveways
120.9281 		Other (At-Grade)
Single-Lane 		1950 ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Font Blvd. / Gonzalez Dr.
(37.71679, -122.47592) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.2325 		Other (At-Grade)
Single-Lane 		1950 ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Crespi Dr. / Varela Ave. / Serrano Dr. / Gonzalez Dr.
(37.71990, -122.47589) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
43.4574 		Other (At-Grade)
Single-Lane 		1950 ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Font Blvd. / Cambon Dr.
(37.71590, -122.47445) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
28.3433 		Other (At-Grade)
Single-Lane 		1950 ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Font Blvd. / Chumasero Dr.
(37.71501, -122.47298) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
25.5093 		Other (At-Grade)
Single-Lane 		1950 ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Claremont Blvd. / Taraval St. / Dewey Blvd. / Kensington Way
(37.74376, -122.46370) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
35.8881 		Other (At-Grade)
Single-Lane 		Stop-controlled traffic circle. ICD estimated from Google Maps linework.
Lynden, WA
Whatcom Co.
United States 		SR 546 / Depot Rd.
(48.96478, -122.45217) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.2052 		Other (At-Grade)
Single-Lane 		2013 Open August 2013. ICD estimated from Google Maps linework.
Mount Vernon, WA
Skagit Co.
United States 		Best Rd. / McLean Rd.
(48.42070, -122.44380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.4976 		Other (At-Grade)
Single-Lane 		2009 April 2009. On high-speed rural roadways. ICD estimated from Google Maps linework.
Lynden, WA
Whatcom Co.
United States 		SR 546 / Bender Rd.
(48.96442, -122.44116) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.2849 		Other (At-Grade)
Single-Lane 		2013 Open August 2013. ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Waller St. / Steiner St.
(37.77097, -122.43190) 		Traffic Calming Circle
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
66.0853 		Other (At-Grade)
Single-Lane 		2003 Preliminary layout for neighborhodd comment Functional Class: Local ICD estimated from Google Maps linework.
Camas, WA
Clark Co.
United States 		NW 6th Ave. / SR 14 WB Ramps / NW Norwood St.
(45.58216, -122.42684) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1960 		Freeway Ramps (Grade-Separated)
Single-Lane 		2016
Redding, CA
Shasta Co.
United States 		Teton Dr. / Crescent Moon Dr. / Crescent Moon Ct.
(40.56422, -122.41552) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
23.5899 		Other (At-Grade)
Single-Lane 		1997 Year completed estimated (before 1998). Pedestrian ramps into circulatory roadway. ICD estimated from Google Maps linework.
Redding, CA
Shasta Co.
United States 		Shasta St. / Almond Ave.
(40.58272, -122.40809) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2006
Lynden, WA
Whatcom Co.
United States 		SR 546 / Northwood Rd.
(48.96424, -122.40709) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.9551 		Other (At-Grade)
Mini-roundabout 		2016 Open June 2016. ICD estimated from Google Maps linework.
Redding, CA
Shasta Co.
United States 		Shasta St. / Olive Ave.
(40.58343, -122.40524) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Mini-roundabout 		2006
Tacoma, WA
Pierce Co.
United States 		E 29th St. / E 30th St. / E 28th St.
(47.23811, -122.40505) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
27.5704 		Other (At-Grade)
Multilane (2 Lane) 		2018 ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		8th St. / Townsend St. / Division St. / Kansas St.
(37.76992, -122.40393) 		Other
Existing 		All-Way Stop
None 		5 Approaches
0 Driveways
33.0431 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Mission Bay Dr. / Mission Bay Blvd. / Owens St. / Channel St.
(37.77048, -122.39599) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
78.3588 		Other (At-Grade)
Multilane (2 Lane) 		2012 Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		44th Ave. SW / SW College St.
(47.58301, -122.38780) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
37.0576 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Washougal, WA
Clark Co.
United States 		SE Union St. / 8th Ave.
(45.58089, -122.38580) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.9288 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		42nd Ave. SW / SW Hinds St.
(47.57318, -122.38570) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
9.6690 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Washougal, WA
Clark Co.
United States 		SE Union St. / Front St.
(45.57985, -122.38560) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.4371 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		40th Ave. SW / SW Manning St.
(47.57122, -122.38250) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
7.2520 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Tacoma, WA
Pierce Co.
United States 		49th Ave. NE / 33rd St. NE / Norpoint Way NE
(47.28643, -122.38220) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.9249 		Other (At-Grade)
Single-Lane 		2004 Opened December 2004. ICD estimated from Google Maps linework.
Abbotsford, BC
Fraser Valley Regional District
Canada 		Mt Lehman Rd. / Old Yale Rd. / Hwy 1 WB On-ramps
(49.05889, -122.38131) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane) 		2006
Abbotsford, BC
Fraser Valley Regional District
Canada 		Mt Lehman Rd. / S Fraser Way
(49.05355, -122.38119) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.0000 		Other (At-Grade)
Multilane (2 Lane) 		2005 Year Completed estimated (2004-2006).
Washougal, WA
Clark Co.
United States 		SE Port St. / Front St.
(45.58009, -122.37780) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.4214 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Washougal, WA
Clark Co.
United States 		SE Port St. / C St.
(45.58099, -122.37780) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.2878 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Bellingham, WA
Whatcom Co.
United States 		Everson Goshen Rd. / E Smith Rd.
(48.83263, -122.37755) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Mini-roundabout 		2015 Open June 2015.
Edmonds, WA
Snohomish Co.
United States 		Main St. / 5th Ave.
(47.81061, -122.37753) 		Other
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Water fountain in the middle.
Seattle, WA
King Co.
United States 		34th Ave. SW / SW Henderson St.
(47.52286, -122.37530) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
42.7458 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		34th Ave. SW / SW Elmgrove St.
(47.53009, -122.37530) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		30th Ave. SW / SW Cloverdale St.
(47.52648, -122.37120) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
64.5176 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Edmonds, WA
Snohomish Co.
United States 		Emerald Hills Dr. / 12th Ave. N
(47.81132, -122.35936) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		No splitter islands.
Washougal, WA
Clark Co.
United States 		SR 14 / 15th St. (Washougal River Rd.)
(45.57665, -122.35617) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.2591 		Other (At-Grade)
Single-Lane 		2019 Completed Summer 2019 (WSDOT). If needed will be converted in the future to multilane and has built in concrete joint lines in the splitter islands and central island truck apron. ICD estimated from Google Maps linework.
Federal Way, WA
King Co.
United States 		12th Ave. SW / 12th Pl. SW / SW 340th St.
(47.29677, -122.35142) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.6299 		Other (At-Grade)
Single-Lane 		2013 Inscribed diameter of 76 feet, landscaped central island, yield control on all approaches. No curbing for channelizing the approaches, paint only. Opened November 2013. ICD estimated from Google Maps linework.
San Mateo Park, CA
San Mateo Co.
United States 		Edgewood Rd. / Clark Dr. / Midway Ave.
(37.56598, -122.34956) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands or control.
Seattle, WA
King Co.
United States 		4th Ave. N / N. Prospect St.
(47.62890, -122.34880) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
10.4636 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Linden Ave. N / N. 36th St.
(47.65116, -122.34860) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
35.4002 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Linden Ave. N / N. 42nd St.
(47.65774, -122.34850) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
56.3115 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
White Center, WA
King Co.
United States 		10th Ave. SW / SW 100th St.
(47.51379, -122.34770) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
12.1000 		Other (At-Grade)
Mini-roundabout 		2006 Opened April 2006. Previously controlled by two-way stop ICD estimated from Google Maps linework.
San Mateo Park, CA
San Mateo Co.
United States 		Warren Rd. / Costa Rica Ave.
(37.56965, -122.34751) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on two legs; no control.
Seattle, WA
King Co.
United States 		N 100th St. / Linden Ave. N
(47.70145, -122.34735) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Burlingame, CA
San Mateo Co.
United States 		California Dr. / Bellevue Ave. / Lorton Ave.
(37.58049, -122.34729) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
30.2881 		Other (At-Grade)
Multilane (2 Lane) 		2019 ICD estimated from Google Maps linework.
Edmonds, WA
Snohomish Co.
United States 		212th St. SW / 84th Ave. W / SW Bowdoin Way
(47.80701, -122.34716) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
113.9049 		Other (At-Grade)
Single-Lane 		2014 Open November 2014. ICD estimated from Google Maps linework.
White Center, WA
King Co.
United States 		9th Ave. SW / SW 100th St.
(47.51379, -122.34640) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
14.5200 		Other (At-Grade)
Mini-roundabout 		2006 Opened April 2006. Previously controlled by two-way stop Functional Class: Neighborhood Collector ICD estimated from Google Maps linework.
San Mateo Park, CA
San Mateo Co.
United States 		Warren Rd. / Crescent Ave.
(37.57129, -122.34558) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands or control.
Seattle, WA
King Co.
United States 		8th Ave. SW / SW 102nd St.
(47.51201, -122.34505) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Mini-roundabout 		2019 https://content.govdelivery.com/accounts/WAKING/bulletins/2723d2f
Seattle, WA
King Co.
United States 		8th Ave. SW / SW 108th St.
(47.50659, -122.34466) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Mini-roundabout 		2018 http://whitecenternow.com/2018/10/16/road-work-alert-mini-roundabout-construction-to-start-at-8th-108th/
San Mateo Park, CA
San Mateo Co.
United States 		W Bellevue Ave. / Dorchester Rd.
(37.56727, -122.34429) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands or control.
San Mateo Park, CA
San Mateo Co.
United States 		Clark Dr. / Crescent Ave.
(37.56928, -122.34362) 		Other
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Federal Way, WA
King Co.
United States 		SW 330th St. / 6th Ave. SW
(47.30622, -122.34230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
20.2463 		Other (At-Grade)
Single-Lane 		2014 This is a "Compact" urban roundabout with central island landscaping and a truck apron, inscribed diameter is 76 feet. Pedestrian refuge islands on the east-west approaches provide channelization. This and the one at 3rd Ave SW / SW 330th Street were opened in November 2014. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Interlake Ave. N / N 39th St.
(47.65411, -122.34130) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
14.4811 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Ashworth Ave. N / N 38th St.
(47.65269, -122.34020) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
160.1009 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Ashworth Ave. N / N 137th St.
(47.72868, -122.33970) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
14.4604 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Conway, WA
Skagit Co.
United States 		SR 534 (Pioneer Hwy) / Fir Island Rd. / Conway Frontage Rd. / Main St.
(48.34133, -122.33929) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
56.3641 		Other (At-Grade)
Single-Lane 		2014 Oblong shape. Open July 2014. Replaced two closely spaced stop-controlled intersections. ICD estimated from Google Maps linework.
Federal Way, WA
King Co.
United States 		3rd Ave. SW / SW 330th St.
(47.30636, -122.33874) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.8167 		Other (At-Grade)
Single-Lane 		2014 This is a "Compact" single-lane roundabout with center island landscaping and a truck apron, inscribed circle diameter is 76 feet. Pedestrian refuge islands on the east-west approaches provide channelization. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Woodlawn Ave. N / N. 36th St.
(47.65051, -122.33870) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
12.8730 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Burlington, WA
Skagit Co.
United States 		Chuckanut Dr. (SR 11) / I-5 SB Ramps / Josh Wilson Rd.
(48.48586, -122.33860) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
39.5803 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 September 2010. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Densmore Ave. N / N 137th St.
(47.72867, -122.33830) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
16.8705 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Redding, CA
Shasta Co.
United States 		Victor Ave. / Marlene Ave.
(40.55815, -122.33824) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.7773 		Other (At-Grade)
Single-Lane 		2017 The roundabout is a hybrid with some features of a mini-roundabout but with other features of an urban compact roundabout. ICD estimated from Google Maps linework.
Abbotsford, BC
Fraser Valley
Canada 		Clearbrook Rd. / Marshall Rd. / Trans-Canada Hwy EB Ramps
(49.03566, -122.33757) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.4984 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane) 		2011 http://www.minnowlake.ca/Roundabouts_in_Canada_2013%20(1).pdf ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Densmore Ave. N / N. 36th St.
(47.65051, -122.33750) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
13.6775 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Washougal, WA
Clark Co.
United States 		SR 14 / S 32nd St.
(45.57443, -122.33692) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.1284 		Other (At-Grade)
Unknown 		2019 Completed Summer 2019 (WSDOT). ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Wallingford Ave. N / N 137th St.
(47.72868, -122.33690) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
12.8537 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Woodlawn Ave. N / Wallingfor Ave. N
(47.69778, -122.33650) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
9.6460 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Redding, CA
Shasta Co.
United States 		Victor Ave. / Galaxy Way
(40.55114, -122.33645) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.7796 		Other (At-Grade)
Single-Lane 		2017 The roundabout is a hybrid with some features of a mini-roundabout but with other features of an urban compact roundabout. ICD estimated from Google Maps linework.
Burlington, WA
Skagit Co.
United States 		Chuckanut Dr. (SR 11) / I-5 NB Ramps / Old Hwy 99
(48.48357, -122.33550) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
34.8323 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane) 		2010 October 2010. ICD estimated from Google Maps linework.
Burlington, WA
Skagit Co.
United States 		N Burlington Blvd. / High School entrance
(48.48056, -122.33540) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
43.5429 		Other (At-Grade)
Multilane (2 Lane) 		2008 October 2008. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Burke Ave. N / N 35th St.
(47.64919, -122.33510) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
9.6550 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.