Roundabouts Database

29411 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
Portland, OR
Multnomah Co.
United States 		NE 24th Ave. / Tillamook St.
(45.53741, -122.64110) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
56.0495 		Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 27th Ave. / SE Salmon St.
(45.51429, -122.63812) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
29.2916 		Other (At-Grade)
Single-Lane 		1982 Completed 2/16/1982. ICD estimated from Google Maps linework.
Langley Township, BC
Greater Vancouver
Canada 		77A Ave. / 211 St.
(49.14294, -122.63810) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2016 https://www.langleyadvancetimes.com/news/langley-citys-first-roundabout-opens/
Portland, OR
Multnomah Co.
United States 		SE 30th Ave. / SE Grant St. (E)
(45.50726, -122.63473) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
109.6480 		Other (At-Grade)
Single-Lane 		1990 Completed 4/16/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 30th Ave. / SE Grant St. (W)
(45.50679, -122.63472) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
14.2293 		Other (At-Grade)
Single-Lane 		1990 Completed 4/16/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 30th Ave. / SE Caruthers St.
(45.50550, -122.63470) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
78.6812 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 30th Ave. / SE Gladstone St.
(45.49337, -122.63466) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
32.6514 		Other (At-Grade)
Single-Lane 		1996 Completed 10/17/1996. ICD estimated from Google Maps linework.
Bellingham, WA
Whatcom Co.
United States 		Haxton Way / Kwina Rd.
(48.79386, -122.63408) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Single-Lane 		2013 Oblong shape. ICD = 170 ft x 135 ft. Open August 2013. Lummi Indian Reservation.
Portland, OR
Multnomah Co.
United States 		SE 31st Ave. / SE Clinton St.
(45.50354, -122.63360) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
14.2301 		Other (At-Grade)
Single-Lane 		1990 Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 32nd Ave. / SE Lincoln St.
(45.50825, -122.63270) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
12.5549 		Other (At-Grade)
Single-Lane 		1990 Completed 4/25/1990. ICD estimated from Google Maps linework.
Yelm, WA
Thurston Co.
United States 		SR 510 / Mud Run Rd. SE
(46.96465, -122.63230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.8630 		Other (At-Grade)
Single-Lane 		2010 October 2010. ICD estimated from Google Maps linework.
Anacortes, WA
Skagit Co.
United States 		32nd St. / D Ave.
(48.49654, -122.63159) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2018
Port Orchard, WA
Kitsap Co.
United States 		Mitchell Ave. SE / SE Lincoln Ave.
(47.52374, -122.63041) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2024 https://www.kitsapdailynews.com/news/1st-of-2-y-intersection-roundabouts-opens-in-po/
Portland, OR
Multnomah Co.
United States 		SE 34th Ave. / SE Gladstone St.
(45.49335, -122.62978) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
61.9539 		Other (At-Grade)
Single-Lane 		1996 Completed 10/17/1996. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Holman St. / NE 34th Ave.
(45.56826, -122.62965) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
159.6952 		Other (At-Grade)
Single-Lane 		1988 Completed 10/28/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE US Grant Pl. / NE 35th Ave.
(45.53779, -122.62841) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
14.2214 		Other (At-Grade)
Single-Lane 		1989 Completed 10/11/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 34th Ave. / SE Bybee Blvd.
(45.47319, -122.62826) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
81.2389 		Other (At-Grade)
Single-Lane 		1992 Completed 9/30/1992. ICD estimated from Google Maps linework.
Port Orchard, WA
Kitsap Co.
United States 		Mile Hill Dr. (Hwy 166) / Bethel Ave.
(47.53467, -122.62730) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.7045 		Other (At-Grade)
Single-Lane 		1998 Previously a Y Intersection. Opened June 1998. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Imperial Ave. / NE Multnomah St.
(45.53154, -122.62719) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
74.4616 		Other (At-Grade)
Single-Lane 		1987 Completed 10/22/1987. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 36th Ave. / SE Clinton St.
(45.50337, -122.62630) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
40.1792 		Other (At-Grade)
Single-Lane 		1990 Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 36th Ave. / SE Bybee Blvd.
(45.47241, -122.62621) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
56.9518 		Other (At-Grade)
Single-Lane 		1992 Completed 10/6/1992. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE US Grant Pl. / NE 36th Ave.
(45.53777, -122.62601) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
40.1546 		Other (At-Grade)
Single-Lane 		1989 Completed 10/11/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 37th Ave. / SE Harrison St.
(45.50879, -122.62572) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
80.3506 		Other (At-Grade)
Single-Lane 		1990 Completed 9/14/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 37th Ave. / SE Lincoln St.
(45.50806, -122.62570) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
15.0659 		Other (At-Grade)
Single-Lane 		1990 Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Holman St. / NE 37th Ave.
(45.56826, -122.62557) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		1988 Completed 10/28/1988.
Portland, OR
Multnomah Co.
United States 		NE 37th Ave. / Morris St. / Wisteria St.
(45.54467, -122.62500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.7290 		Other (At-Grade)
Single-Lane 		1986 Completed 12/23/1986. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 37th Ave. / Brazee St.
(45.54057, -122.62500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
119.6213 		Other (At-Grade)
Single-Lane 		1987 Completed 10/16/1987. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 37th Ave. / Thompson St.
(45.53904, -122.62500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
94.5285 		Other (At-Grade)
Single-Lane 		1987 Completed 11/16/1987. ICD estimated from Google Maps linework.
Langley Township, BC
Greater Vancouver
Canada 		48 Ave. / 216 St. / Old Yale Rd.
(49.08942, -122.62474) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
30.0000 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2006).
Langley Township, BC
Greater Vancouver
Canada 		50 Ave. / 216 St.
(49.09306, -122.62466) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.8088 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2008-2009). ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE Bybee Blvd. / (SE 37th Ave.)
(45.47243, -122.62440) 		Traffic Calming Circle
Existing 		Uncontrolled
None 		2 Approaches
0 Driveways
20.1003 		Other (At-Grade)
Single-Lane 		1992 Completed 10/6/1992. ICD estimated from Google Maps linework.
Bremerton, WA
Kitsap Co.
United States 		Washington Ave. / Manette Bridge
(47.56922, -122.62369) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2024 https://www.youtube.com/watch?v=tD7NviOOFDE
Portland, OR
Multnomah Co.
United States 		NE Cesar E Chavez Blvd. (NE 39th Ave.) / NE Glisan St.
(45.52640, -122.62300) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
68.6113 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Stop-controlled entries into circle. Bus stop within circulatory roadway. Historical rotary with stop control. ICD estimated from Google Maps linework.
Poulsbo, WA
Kitsap Co.
United States 		SR 305 / Johnson Way NE / Peterson Way NE
(47.71979, -122.62244) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2021
Poulsbo, WA
Kitsap Co.
United States 		Johnson Rd. NE / Johnson Pkwy.
(47.72250, -122.62224) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021
Portland, OR
Multnomah Co.
United States 		NE Holman St. / NE 41st St.
(45.56858, -122.62172) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
81.9374 		Other (At-Grade)
Single-Lane 		1988 Completed 10/28/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 41st Ave. / SE Harrison St.
(45.50878, -122.62020) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
80.3506 		Other (At-Grade)
Single-Lane 		1990 Completed 5/30/1990. ICD estimated from Google Maps linework.
Joint Base Lewis-McChord, WA
Pierce Co.
United States 		D St. / South Dr. / Integrity Gate
(47.11600, -122.61932) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.3273 		Other (At-Grade)
Single-Lane 		2014 Open July 2014. ICD estimated from Google Maps linework.
Petaluma, CA
Sonoma Co.
United States 		Petaluma Blvd. S / Caulfield Ln.
(38.22730, -122.61820) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.3434 		Other (At-Grade)
Single-Lane 		2011 Construction began spring 2011. Functional Class: Arterial ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 43rd Ave. / SE Lincoln St.
(45.50799, -122.61810) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
22.5989 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Anacortes, WA
Skagit Co.
United States 		32nd St. / M Ave.
(48.49641, -122.61753) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.goskagit.com/anacortes/news/federally-funded-roundabout-opens-at-32nd-and-m-in-anacortes/article_481122ae-2328-11ed-bc4e-6bf692cd6133.html
Bremerton, WA
Kitsap Co.
United States 		Wheaton Way / Harkins St. / Manette Bridge
(47.57079, -122.61700) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
23.3679 		Other (At-Grade)
Single-Lane 		2011 Previous intersection was four-way with south leg. ICD estimated from Google Maps linework.
Gig Harbor, WA
Pierce Co.
United States 		Borgen Blvd. / SR 16 SB Ramps
(47.35868, -122.61610) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.8342 		Freeway Ramps (Grade-Separated)
Single-Lane 		2004 Opened March 2004. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 45th Ave. / SE Clinton St.
(45.50336, -122.61610) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
87.0549 		Other (At-Grade)
Single-Lane 		1990 Completed 4/25/1990. ICD estimated from Google Maps linework.
Fort Lewis, WA
Pierce Co.
United States 		Pershing Circle [Lewis Dr. / Kaufman Ave. / Liggett Ave.]
(47.09195, -122.61587) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
54.2541 		Other (At-Grade)
Single-Lane 		2015 Circular intersection converted to roundabout in 2015.
Portland, OR
Multnomah Co.
United States 		SE 46th Ave. / SE Lincoln St.
(45.50802, -122.61510) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
35.1539 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 47th Ave. / NE Thompson St.
(45.53903, -122.61496) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
18.4038 		Other (At-Grade)
Single-Lane 		1990 Completed 9/25/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 47th Ave. / NE Brazee St.
(45.54056, -122.61496) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
34.2970 		Other (At-Grade)
Single-Lane 		1990 Completed 9/25/1990. ICD estimated from Google Maps linework.
Clearlake Oaks, CA
Lake Co.
United States 		SR 20 / SR 53
(39.00852, -122.61426) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2019 Merging right-turn bypass lanes on all legs. Year Completed estimated (2019-2020).
Portland, OR
Multnomah Co.
United States 		SE 47th Ave. / SE Clinton St.
(45.50336, -122.61400) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
32.6456 		Other (At-Grade)
Single-Lane 		1990 Completed 4/25/1990. ICD estimated from Google Maps linework.
Anacortes, WA
Skagit Co.
United States 		Commercial Ave. / SR20 Spur
(48.49332, -122.61280) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
34.8256 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Poulsbo, WA
Kitsap Co.
United States 		NE Lincoln Rd / Noll Rd. NE / Gala Way NE
(47.75092, -122.61274) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2012 Open September 2012. Replaced two offset T-intersections.
Gig Harbor, WA
Pierce Co.
United States 		Borgen Blvd. / SR 16 NB Ramps / Burnham Dr.
(47.35843, -122.61260) 		Roundabout
Existing 		All-Way Yield
None 		6 Approaches
0 Driveways
47.7339 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2001 Oval shaped central island. 6 legged configuration includes a on-ramp (outbound)leg. Central island is used as a roadway storm detention pond. Completed Summer/Fall 2001. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Petaluma, CA
Sonoma Co.
United States 		McDowell Blvd. / Baywood Dr.
(38.24036, -122.61010) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.4513 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 51st Ave. / SE Lincoln St.
(45.50803, -122.61000) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
15.0659 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Port Orchard, WA
Kitsap Co.
United States 		SE Salmonberry Rd. / Jackson Ave. SE
(47.51207, -122.60994) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2021 https://kitsap-county-projects-pages-kitcowa.hub.arcgis.com/pages/jackson-and-salmonberry-roundabout
Anacortes, WA
Skagit Co.
United States 		R Ave. / 22nd St.
(48.50423, -122.60992) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.6011 		Other (At-Grade)
Single-Lane 		2013 Open December 2013. ICD estimated from Google Maps linework.
Anacortes, WA
Skagit Co.
United States 		R Ave. / 30th St.
(48.49794, -122.60960) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2024 Elliptical shaped. ICD = 130 ft x 120 ft. Major street (R Ave.) reduced from two lanes in each direction to one lane in each direction at roundabout (road diet). https://www.anacorteswa.gov/1359/R-Avenue-Long-Term-Improvements---Phases
West Linn, OR
Clackamas Co.
United States 		OR 43 (Willamette Dr.) / I-205 NB Ramps
(45.36158, -122.60954) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2023 https://www.westlinntidings.com/news/new-i-205-roundabout-opens-at-highway-43-in-west-linn/article_27714680-46ce-11ee-a8d4-db795c337eb4.html (image at https://www.flickr.com/photos/oregondot/ )
Portland, OR
Multnomah Co.
United States 		NE Clackamas St. / NE 53rd Ave.
(45.53300, -122.60880) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
30.1185 		Other (At-Grade)
Single-Lane 		1988 Completed 11/3/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 53rd Ave. / NE Hassalo St.
(45.53048, -122.60880) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
35.1398 		Other (At-Grade)
Single-Lane 		1988 Completed 11/3/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 55th Ave. (N) / SE Lincoln St.
(45.50806, -122.60650) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		1990 Completed 5/14/1990.
Gig Harbor, WA
Pierce Co.
United States 		Borgen Blvd. / 51st
(47.35959, -122.60640) 		Roundabout
Existing 		All-Way Yield
Active Pedestrian Warning (flashing yellow) 		4 Approaches
0 Driveways
35.5974 		Other (At-Grade)
Single-Lane 		2002 In-pavement flashers in use on all crosswalks. Striped-out apron for future conversion to multilane. Opened September 2002. Functional Class: Arterial ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 55th Ave. (S) / SE Lincoln St.
(45.50804, -122.60610) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		1990 Completed 5/14/1990.
Portland, OR
Multnomah Co.
United States 		SE 56th Ave. / SE Woodward St.
(45.50140, -122.60500) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
43.5289 		Other (At-Grade)
Single-Lane 		1988 Completed 10/27/1998. ICD estimated from Google Maps linework.
Molalla, OR
Clackamas Co.
United States 		OR 213 / S Toliver Rd.
(45.15589, -122.60386) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 https://www.youtube.com/watch?v=oZVwSmmg41c
Portland, OR
Multnomah Co.
United States 		SE 58th Ave. (S) / SE Lincoln St.
(45.50805, -122.60380) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
104.6245 		Other (At-Grade)
Single-Lane 		1990 Completed 5/8/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 58th Ave. / SE Woodward St.
(45.50140, -122.60310) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		1988 Completed 10/27/1998.
Gig Harbor, WA
Pierce Co.
United States 		Burnham Dr. / Harbor Hill Dr. / (unknown)
(47.34739, -122.60301) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2018
Steilacoom, WA
Pierce Co.
United States 		Union Ave. / Rainier St. / Martin St.
(47.16963, -122.60292) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2022 Year Completed estimated (2021-2022).
Langley, BC
Greater Vancouver
Canada 		Glover Rd. / Labonte Rd. / 76a Ave.
(49.14268, -122.60283) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.5025 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Gig Harbor, WA
Pierce Co.
United States 		Borgen Blvd. / Harbor Hill Dr.
(47.35993, -122.60160) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.8333 		Other (At-Grade)
Single-Lane 		2007 Opened March 2007. ICD estimated from Google Maps linework.
Gig Harbor, WA
Thurston Co.
United States 		Harbor Hill Dr. / (parking)
(47.35845, -122.60116) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2008 January 2008.
Gig Harbor, WA
Pierce Co.
United States 		Harbor Hill Dr. / Sentinel Dr.
(47.35165, -122.60023) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2018
Fort Lewis, WA
Pierce Co.
United States 		A St. / 17th St.
(47.12596, -122.59856) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.7952 		Other (At-Grade)
Single-Lane 		2011
Gig Harbor, WA
Pierce Co.
United States 		Borgen Blvd. / Olympus Way
(47.35991, -122.59782) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
33.1701 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Gig Harbor, WA
Pierce Co.
United States 		Olympus Way / Buckhorn Pl. / Copper Ct.
(47.36278, -122.59679) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2014
Ferndale, WA
Whatcom Co.
United States 		Vista Dr. / Malloy Ave. / Ferndale Terr.
(48.85251, -122.59620) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.3640 		Other (At-Grade)
Single-Lane 		2007 Opened September 2007. ICD estimated from Google Maps linework.
Petaluma, CA
Sonoma Co.
United States 		Casa Grande Rd. / Ely Blvd.
(38.24348, -122.59580) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.8924 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Oregon City, OR
Clackamas Co.
United States 		Main St. / Agnes Ave.
(45.36884, -122.59573) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2015-2018).
Fort Lewis, WA
Pierce Co.
United States 		East Dr. / Compass Ave.
(47.13338, -122.59358) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.3669 		Other (At-Grade)
Single-Lane 		2011
Gig Harbor, WA
Pierce Co.
United States 		Rosedale St. NW / Stinson Ave.
(47.33074, -122.58937) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021
Gig Harbor, WA
Pierce Co.
United States 		Borgen Blvd. / Peacock Hill Ave. NW
(47.35992, -122.58930) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.6979 		Other (At-Grade)
Single-Lane 		2006 Opened January 2006. ICD estimated from Google Maps linework.
Gig Harbor, WA
Pierce Co.
United States 		Harborview Dr. / Stinson Ave.
(47.33363, -122.58919) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022
Ferndale, WA
Whatcom Co.
United States 		I-5 SB Ramps / 2nd St. / Portal Way
(48.85686, -122.58840) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.8616 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Ferndale, WA
Whatcom Co.
United States 		Portal Way / I-5 NB Ramps
(48.85836, -122.58613) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.3591 		Freeway Ramps (Grade-Separated)
Single-lane w/ Traversable Central Island 		2019 Year Completed estimated (2018-2019). https://myferndalenews.com/mayor-second-roundabout-portal-way-5-scheduled-summer_56179/ ICD estimated from Google Maps linework.
Oregon City, OR
Clackamas Co.
United States 		Washington St. / Clackamas River Dr.
(45.37355, -122.58530) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1107 		Other (At-Grade)
Single-Lane 		2012 Right-turn bypass lane on eastbound approach. Constructed as part of OR 213 jughandle project. ICD estimated from Google Maps linework.
Gig Harbor, WA
Pierce Co.
United States 		Point Fosdick Dr. NW / 34th Ave. NW / Stone Dr. NW
(47.27442, -122.58412) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.7928 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Joint Base Lewis-McChord, WA
Pierce Co.
United States 		Colorado Ave. / Garcia Blvd.
(47.09688, -122.58387) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.4657 		Other (At-Grade)
Single-Lane 		2015 Open January 2015. ICD estimated from Google Maps linework.
Anacortes, WA
Skagit Co.
United States 		SR 20 / Miller Rd. / Gibralter Rd.
(48.45438, -122.58269) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
42.7733 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 ICD estimated from Google Maps linework.
Langley, BC
Greater Vancouver
Canada 		64 Ave. / 232 St.
(49.11889, -122.58167) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2020
Anacortes, WA
Skagit Co.
United States 		SR 20 / SR 20 Spur
(48.46352, -122.58156) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
53.8530 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 ICD estimated from Google Maps linework.
Langley, BC
Greater Vancouver
Canada 		232 St. / 72 Ave. / Trans Canada 1 WB On-ramp
(49.13829, -122.58135) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
37.5059 		Freeway Ramps (Grade-Separated)
Single-Lane 		2013 Roundabout was part of a project to build an overpass at a rail crossing. That project was completed in 2014, but the roundabout was in operation in 2013: https://www.portvancouver.com/wp-content/uploads/2015/03/232nd-st-construction-notice-december-2013.pdf ICD estimated from Google Maps linework.
Langley Township, BC
Greater Vancouver
Canada 		232 St. / 56 Ave.
(49.10396, -122.58115) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.8776 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Maple Ridge, BC
Greater Vancouver
Canada 		232 St. / 132 Ave.
(49.24329, -122.57999) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.0000 		Other (At-Grade)
Single-Lane 		2018
Maple Ridge, BC
Greater Vancouver
Canada 		232 St. / Fern Crescent (132 Ave.)
(49.24206, -122.57960) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
32.0000 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2008-2009).
Gig Harbor, WA
Pierce Co.
United States 		Point Fosdick Dr. NW / NW 36th St.
(47.29077, -122.57790) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.3530 		Other (At-Grade)
Single-Lane 		2005 Opened September 2005. ICD estimated from Google Maps linework.
Five Corners, WA
Clark Co.
United States 		NE 94th Ave. / NE 99th St.
(45.69343, -122.57575) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2023
Portland, OR
Multnomah Co.
United States 		NE Fremont Dr. / NE Duddleson St.
(45.54667, -122.57574) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
33.4569 		Other (At-Grade)
Single-Lane 		1986 Completed 12/2/1986. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Fremont Dr. / NE Dyer St.
(45.54603, -122.57509) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
29.2751 		Other (At-Grade)
Single-Lane 		1986 Completed 12/2/1986. ICD estimated from Google Maps linework.