Roundabouts Database

29867 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
Crown Hill, WA
King Co.
United States 		1st Ave. NW / NW 81st St.
(47.68767, -122.35797) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Crown Hill, WA
King Co.
United States 		1st Ave. NW / NW 82nd St.
(47.68839, -122.35799) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Greenwood, WA
King Co.
United States 		1st Ave. NW / NW 83rd St.
(47.68911, -122.35799) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
15.2400 		Other (At-Grade)
Single-Lane
Federal Way, WA
King Co.
United States 		19th Ave. SW / SW 353rd Pl.
(47.28501, -122.35852) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.9456 		Other (At-Grade)
Single-Lane 		2020
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.
Shasta Lake, CA
Shasta Co.
United States 		Smith Ave. / Jorsack Way / Rosstay Way
(40.66503, -122.36168) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2006 Crosswalks are at unmarked entrance lines.
Greenwood, WA
King Co.
United States 		NW 83rd St. / 6th Ave. NW
(47.68911, -122.36333) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
13.7157 		Other (At-Grade)
Single-Lane
Greenwood, WA
King Co.
United States 		NW 82nd St. / 6th Ave. NW
(47.68839, -122.36333) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Crown Hill, WA
King Co.
United States 		NW 81st St. / 6th Ave. NW
(47.68766, -122.36334) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Ballard, WA
King Co.
United States 		NW 83rd St. / Dibble Ave. NW
(47.68911, -122.36729) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
13.7157 		Other (At-Grade)
Single-Lane
Federal Way, WA
King Co.
United States 		SW 349th St. / 27th Ave. SW
(47.28883, -122.36857) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2005 Painted splitter islands
Ballard, WA
King Co.
United States 		NW 83rd St. / 11th Ave. NW
(47.68875, -122.37041) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
13.7157 		Other (At-Grade)
Single-Lane
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.
Ballard, WA
King Co.
United States 		NW 83rd St. / 12th Ave. NW
(47.68875, -122.37144) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
13.7157 		Other (At-Grade)
Single-Lane
Ballard, WA
King Co.
United States 		NW 83rd St. / 14th Ave. NW
(47.68875, -122.37413) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
13.7157 		Other (At-Grade)
Single-Lane
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
Ballard, WA
King Co.
United States 		NW 77th St. / Mary Ave. NW
(47.68508, -122.37547) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Ballard, WA
King Co.
United States 		NW 83rd St. / Mary Ave. NW
(47.68875, -122.37549) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
13.7157 		Other (At-Grade)
Single-Lane
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.
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)
Single-lane w/ Traversable Central Island 		2015 Open June 2015.
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.
Ballard, WA
King Co.
United States 		NW 77th St. / 16th Ave. NW
(47.68506, -122.37788) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
16.7637 		Other (At-Grade)
Single-Lane
Ballard, WA
King Co.
United States 		17th Ave. NW / NW 83rd St
(47.68874, -122.37896) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
13.7157 		Other (At-Grade)
Single-Lane
Ballard, WA
King Co.
United States 		NW 77th St. / 18th Ave. NW
(47.68505, -122.38004) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Crown Hill, WA
King Co.
United States 		NW 7tth St. / 19th Ave. NW
(47.68504, -122.38110) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
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, unspecified) 		2005 Year Completed estimated (2004-2006).
Abbotsford, BC
Fraser Valley Regional District
Canada 		Mt Lehman Rd. / Old Yale Rd. / Hwy 1 WB Entrance Ramp
(49.05889, -122.38131) 		Roundabout
Removed 		All-Way Yield
None 		3 Approaches
0 Driveways
44.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2022 Roundabout (multilane, 2x2) constructed 2006 to replace a two-way stop intersection. Roundabout replaced with traffic signal in 2022.
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.
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.
Ballard, WA
King Co.
United States 		NW 83rd St. / 21st Ave. NW
(47.68871, -122.38328) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
13.7157 		Other (At-Grade)
Single-Lane
Ballard, WA
King Co.
United States 		NW 83rd St. / 22nd Ave. NW
(47.68871, -122.38435) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
13.7157 		Other (At-Grade)
Single-Lane
Ballard, WA
King Co.
United States 		NW 77th St. / 22nd Ave. NW
(47.68500, -122.38435) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
13.7157 		Other (At-Grade)
Single-Lane
Ballard, WA
King Co.
United States 		NW 83rd St. / 23rd Ave. NW
(47.68871, -122.38542) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
13.7157 		Other (At-Grade)
Single-Lane
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 		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. / 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.
Ballard, WA
King Co.
United States 		NW 83rd St. / Jones Ave. NW
(47.68870, -122.38650) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
13.7157 		Other (At-Grade)
Single-Lane
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.
Federal Way, WA
King Co.
United States 		SR 509 (SW Dash Point Rd.) / 47th Ave. SW
(47.32161, -122.39253) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4317 		Other (At-Grade)
Single-Lane 		2022
Federal Way, WA
King Co.
United States 		SW 329th Way / 49th Ave. SW
(47.30724, -122.39523) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3357 		Other (At-Grade)
Single-Lane 		2017 Painted splitter islands.
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, unspecified) 		2012 Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
Camas, WA
Clark Co.
United States 		NE Woodburn Dr. / NE Laurel St.
(45.60703, -122.39789) 		Unknown
Existing 		Unknown
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2018 Painted splitter islands. Year Completed estimated (2017-2018).
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.
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, unspecified) 		2018 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)
Single-lane w/ Traversable Central Island 		2006
Camas, WA
Clark Co.
United States 		NE Everett St. / NW Lake Rd.
(45.60225, -122.40656) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2021 https://www.camaspostrecord.com/news/2021/mar/25/camas-traffic-roundabout-completed/
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)
Single-lane w/ Traversable Central Island 		2016 Open June 2016. 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
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.
Camas, WA
Clark Co.
United States 		NW 44th Ave. / NW Ivy St.
(45.60804, -122.42079) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Camas, WA
Clark Co.
United States 		NW 44th Ave. / NW Jasmine St.
(45.60960, -122.42245) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.8221 		Other (At-Grade)
Single-Lane 		2012 No splitter islands, residential area.
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
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.
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.
Bellingham, WA
Whatcom Co.
United States 		E Smith Rd. / Hannegan Rd.
(48.83337, -122.44289) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2024 https://whatcom-news.com/hannegan-smith-intersection-to-reopen-as-a-multi-lane-roundabout_219458/
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.
Bay View, WA
Skagit Co.
United States 		Josh Wilson Rd. / Farm to Market Rd.
(48.48665, -122.44440) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.goskagit.com/townnews/economics/bay-view-area-roundabout-now-open/article_e9ac88a2-32e5-11ed-b607-03db0c4dca41.html
Camas, WA
Clark Co.
United States 		NW Camas Meadows Dr. / NW Payne St. / NW Pittock Pl.
(45.62718, -122.45141) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0037 		Other (At-Grade)
Single-Lane 		2018
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.
Presidio, CA
San Francisco Co.
United States 		Lincoln Blvd. / Girard Rd.
(37.80065, -122.45385) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2021 Separated bike lanes on all legs. https://sf.streetsblog.org/2021/03/01/presidios-dutch-roundabout/
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.
Camas, WA
Clark Co.
United States 		SE Brady Rd. / Columbia Palisades Dr.
(45.58617, -122.47084) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6717 		Other (At-Grade)
Single-Lane 		2018
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 		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 		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. / 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 		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 		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 		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 		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. / 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 		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 State University, CA
San Francisco Co.
United States 		Font Blvd. / (parking lot)
(37.72286, -122.48358) 		Other
Existing 		One-Way/Two-Way Stop
Unknown 		3 Approaches
0 Driveways
33.0641 		Other (At-Grade)
Single-Lane 		1950 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.
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, unspecified) 		2009 Creekwood Rd. is new roadway; SE 172nd Avenue is existing. 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, unspecified) 		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, unspecified) 		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, unspecified) 		2009 ICD estimated from Google Maps linework.
Happy Valley, OR
Clackamas Co.
United States 		SE 172nd Ave. / Scouters Mountain Rd.
(45.44074, -122.48574) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 East leg stubbed. https://www.happyvalleyor.gov/business/engineering-division/engineering-division/172nd-avenue-roundabout/
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, unspecified) 		2009 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.
Quesnel, BC
Cariboo
Canada 		Johnston Ave. / Ranch Rd.
(52.97197, -122.48810) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.0000 		Other (At-Grade)
Single-Lane 		2005 Year Completed 2005 or earlier.
Vancouver, WA
Clark Co.
United States 		SR 500 (NE Fourth Plain Rd.) / NE182nd Ave.
(45.67192, -122.48864) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
26.8221 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2022 Compact roundabout. WSDOT project. Completed August 20, 2022. Colored apron with asphalt interior.
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, unspecified) 		2005 http://cob.org/documents/pw/curconst/ES-0237.pdf Functional Class: Arterial 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, unspecified) 		2003 Primary access to Whatcom Community College. Functional Class: Arterial 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.
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.
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, unspecified) 		2019 https://www.cob.org/gov/projects/Pages/Cordata%20Stuart%20Roundabout.aspx. 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. / Horton Rd.
(48.80595, -122.49677) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.0896 		Other (At-Grade)
Single-Lane 		2019 Curb returns are further back from ICD than leading ends of splitter islands.
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.
(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.
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.
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 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 		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.
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.
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.