Roundabouts Database

29465 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
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.
(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.
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.
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.
Lakewood, WA
Pierce Co.
United States 		Main St. SW / 5th Ave. SW
(47.16198, -122.51570) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.4220 		Other (At-Grade)
Single-Lane 		2002 Completed June 2002. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Cirque Dr. W / Alameda Ave. W / 56th St. W
(47.20639, -122.51600) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
54.3624 		Other (At-Grade)
Single-Lane 		2002 Completed December 2002. ICD estimated from Google Maps linework.
Hockinson, WA
Clark Co.
United States 		NE 152nd Ave. / NE 119th St.
(45.70833, -122.51640) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2024 https://clark.wa.gov/public-works/ne-119th-st-and-ne-152nd-ave
Swinomish Tribal Community, WA
Skagit Co.
United States 		Knudsen Ln. / Casino Dr.
(48.45635, -122.51910) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.2668 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
Swinomish Tribal Community, WA
Skagit Co.
United States 		SR 20 / Padilla Heights Rd.
(48.45519, -122.51940) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.2280 		Other (At-Grade)
Single-Lane 		2002 The ground breaking ceremony was held October 2002. The client is the Swinomish Tribe. Opened October 2002. Functional Class: Local ICD estimated from Google Maps linework.
Bainbridge Island, WA
Kitsap Co.
United States 		High School Rd. / Madison Ave.
(47.63579, -122.52100) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.9484 		Other (At-Grade)
Single-Lane 		2000 Greatly reduced congestion. Initial public opposition has turned to full support. Project located next to 3 schools. Separated sidewalks, timed yellow flashing lights during school crossing. Crossing guards. Near library and shopping center. Opened October 2000. ICD estimated from Google Maps linework.
Bainbridge Island, WA
Kitsap Co.
United States 		Madison Ave. N / Wyatt Way
(47.62849, -122.52100) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.6784 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021 https://www.bainbridgereview.com/news/wyatt-mini-roundabout-wont-have-art/
Battle Ground, WA
Clark Co.
United States 		SR 503 (NE Lewisville Hwy.) / NE Rock Creek Rd.
(45.85681, -122.52193) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2024 https://www.tiktok.com/@washingtonstatedot/video/7427125569801817374
Lakewood, WA
Pierce Co.
United States 		Dekoven Rd. SW / Meadow Rd. SW / Brook Ln. SW
(47.16401, -122.52634) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
15.2400 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2018 Painted splitter islands. Skewed intersection.
Lakewood, WA
Pierce Co.
United States 		Gravelly Lake Dr. SW / Nyanza Rd. SW
(47.14110, -122.52665) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2021
Lakewood, WA
Pierce Co.
United States 		Dekoven Dr. SW / 100th St. SW
(47.16666, -122.52814) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
15.2400 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2018 Painted splitter islands.
Vancouver, WA
Clark Co.
United States 		NE 32nd Cir. / NE 138th Ave.
(45.64517, -122.53057) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.0778 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Bellingham, WA
Whatcom Co.
United States 		Mitchell Way / Bellingham Airport Access Rd.
(48.79757, -122.53080) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.4692 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Vancouver, WA
Clark Co.
United States 		NE 137th Ave. / NE 49th St.
(45.65733, -122.53190) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
40.0691 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Opened January 2008. ICD estimated from Google Maps linework.
Vancouver, WA
Clark Co.
United States 		NE 44th St. / NE 137th Ave.
(45.65377, -122.53207) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.8796 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Vancouver, WA
Clark Co.
United States 		NE 39th St. / NE 137th Ave. / NE 138th Ave.
(45.65025, -122.53209) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.4044 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
San Rafael, CA
Marin Co.
United States 		Civic Center Dr. / Peter Behr Dr.
(38.00051, -122.53422) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.8221 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		40th St. W / Drexler Dr. W
(47.22084, -122.53430) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
31.6351 		Other (At-Grade)
Single-Lane 		2006 Completed June 2006. ICD estimated from Google Maps linework.
Lakewood, WA
Pierce Co.
United States 		Gravelly Lake Dr. SW / Veterans Dr. SW
(47.14497, -122.53853) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://thesubtimes.com/2021/12/26/progress-at-veterans-and-gravelly-lake-intersection-in-lakewood/
Lakewood, WA
Pierce Co.
United States 		Gravelly Lake Dr. SW / Washington Blvd. SW
(47.14920, -122.53942) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://cityoflakewood.us/weekly-bulletin-220408/
Maple Ridge, BC
Greater Vancouver
Canada 		Jackson Rd. / 102 Ave.
(49.18779, -122.54119) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.5401 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
Lakewood, WA
Pierce Co.
United States 		Washington Blvd. SW / Interlaaken Dr. SW
(47.14862, -122.54186) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2022 Year Completed estimated (2021-2022).
Joint Base Lewis-McChord, WA
Pierce Co.
United States 		Murray Rd. SW / 150th St. SW
(47.12084, -122.54259) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012 Open September 2012.
Lakewood, WA
Pierce Co.
United States 		Murray Rd. SW / I-5 NB Offramp
(47.12576, -122.54266) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 https://wsdotblog.blogspot.com/2020/10/new-thorne-lane-bridge-open.html
Lakewood, WA
Pierce Co.
United States 		Union Ave. SW / N Thorne Ln. SW
(47.12715, -122.54422) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2020 https://wsdotblog.blogspot.com/2020/10/new-thorne-lane-bridge-open.html.
Ferndale, WA
Whatcom Co.
United States 		Slater Rd. / Pacific Hwy.
(48.81718, -122.54435) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.8741 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2014 Open November 2014. ICD estimated from Google Maps linework.
Ferndale, WA
Whatcom Co.
United States 		Slater Rd. / I-5 NB Ramps
(48.81737, -122.54604) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.5247 		Freeway Ramps (Grade-Separated)
Single-lane w/ Traversable Central Island 		2014 Includes yield-controlled right-turn bypass lanes. Open November 2014. ICD estimated from Google Maps linework.
Ferndale, WA
Whatcom Co.
United States 		Slater Rd. / I-5 SB Ramps
(48.81707, -122.55050) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.7384 		Freeway Ramps (Grade-Separated)
Single-lane w/ Traversable Central Island 		2014 Includes a yield-controlled right-turn bypass lane. Open November 2014. ICD estimated from Google Maps linework.
Lakewood, WA
Pierce Co.
United States 		Veterans Dr. SW / Lake City Blvd. SW
(47.14497, -122.55139) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2020
Portland, OR
Multnomah Co.
United States 		NE 108th St. / NE Oregon St.
(45.52814, -122.55147) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021 https://bikeportland.org/2022/01/13/video-a-closer-look-at-pbots-three-new-roundabouts-on-ne-108th-343711.
Portland, OR
Multnomah Co.
United States 		NE Everett St. / NE 108th Ave. (east)
(45.52447, -122.55223) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021 Part of a double mini-roundabout. https://bikeportland.org/2022/01/13/video-a-closer-look-at-pbots-three-new-roundabouts-on-ne-108th-343711.
Portland, OR
Multnomah Co.
United States 		NE Everett St. / NE 108th St. (west)
(45.52447, -122.55243) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021 Part of a double mini-roundabout. https://bikeportland.org/2022/01/13/video-a-closer-look-at-pbots-three-new-roundabouts-on-ne-108th-343711.
Clackamas, OR
Clackamas Co.
United States 		Monterey Ave. / Causey Ave. / William Otty Rd.
(45.44020, -122.55510) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.7102 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Cascades Pkwy. / (parking)
(45.57191, -122.55594) 		Other
Existing 		Other
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified)
University Place, WA
Pierce Co.
United States 		Grandview Dr. / Olympic Blvd.
(47.22188, -122.55790) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1454 		Other (At-Grade)
Single-Lane 		1997 Curtis High School and Curtis Junior High School on NE corner of roundabout. Opened August 1997. Functional Class: Arterial ICD estimated from Google Maps linework.
Lakewood, WA
Pierce Co.
United States 		Union Ave. / Militia Dr. / Berkeley St. SW
(47.11921, -122.55805) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2020 https://twitter.com/wsdot_tacoma/status/1295357469917474818
Portland, OR
Multnomah Co.
United States 		NE Mt. Hood Ave. / Frontage Rd. / PDX Airport Economy Blue Lot / PDX Airport Economy Red Lot
(45.57770, -122.55950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.7822 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Lakewood, WA
Pierce Co.
United States 		Veterans Dr. SW / Vernon Ave. SW / Newgrove Ave. SW
(47.14431, -122.55960) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2020 Painted splitter island on southeast leg.
Lakewood, WA
Pierce Co.
United States 		Veterans Dr. SW / Vernon Ave. SW / Dolly Madison St. SW
(47.14243, -122.55988) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021
Vancouver, WA
Clark Co.
United States 		NE 18th St. / I-205 SB On Ramp
(45.63554, -122.56193) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
33.4039 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Joint Base Lewis-McChord, WA
Pierce Co.
United States 		Portland Ave. SW / Boundary St. SW / Camp Murray Gate
(47.12106, -122.56300) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.6312 		Other (At-Grade)
Single-Lane 		2012 Open October 2012. ICD estimated from Google Maps linework.
(unincorporated), WA
Clark Co.
United States 		NE 99th St. / 107th Ave.
(45.69338, -122.56319) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 Previous control was Yield for northbound traffic, Stop for eastbound traffic, none for westbound traffic. https://www.clarkcountytoday.com/news/intersection-of-ne-99th-street-and-ne-107th-avenue-closed-beginning-aug-14/
Lakewood, WA
Pierce Co.
United States 		Washington Blvd. SW / Edgewood Ave. SW
(47.14855, -122.56383) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2023
Lakewood, WA
Pierce Co.
United States 		North Gate Rd. SW / Edgewood Ave. SW / Winona St. SW
(47.14678, -122.56385) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.kiro7.com/news/south-sound-news/stolen-car-stopped-by-wet-cement-lakewood/GDU77T3M6NC2RKBPTKKY5N53SA/
Clackamas, OR
Clackamas Co.
United States 		Monterey Ave. / Stevens Rd.
(45.43780, -122.56390) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.8738 		Other (At-Grade)
Single-Lane 		2006 Fourth leg serves New Hope Community Church parking lot. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		64th St W / Park Entrance
(47.19891, -122.56530) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
28.4022 		Other (At-Grade)
Single-Lane 		2004 Completed before July 2004. ICD estimated from Google Maps linework.
Hidden Valley Lake, CA
Lake Co.
United States 		SR 29 / Hartmann Rd.
(38.79274, -122.56556) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.6823 		Other (At-Grade)
Single-Lane 		2019 ICD estimated from Google Maps linework.
San Anselmo, CA
Marin Co.
United States 		San Francisco Blvd. / Santa Cruz Ave.
(37.98566, -122.56572) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
12.1920 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2019 Painted splitter islands. Year Completed estimated (2018-2019).
University Place, WA
Pierce Co.
United States 		Grandview Dr. / Bristonwood Dr. / 48th St. W
(47.21334, -122.56880) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9607 		Other (At-Grade)
Single-Lane 		2000 Opened September 2000. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Grandview Dr. / Cirque Dr.
(47.21093, -122.56880) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.1506 		Other (At-Grade)
Single-Lane 		2000 Opened September 2000. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Grandview Dr. / 56th St. W
(47.20565, -122.56890) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.3417 		Other (At-Grade)
Single-Lane 		2000 Opened September 2000. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Grandview Dr. / 62nd Ct. W / Park Entrance
(47.20033, -122.56890) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.7785 		Other (At-Grade)
Single-Lane 		2000 Opened September 2000. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Fremont Dr. / NE 86th Ave.
(45.54567, -122.57478) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
25.0931 		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.
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.
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
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.
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).
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
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.
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.
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 		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 / 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.
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.
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.
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.
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.
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.
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
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 		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
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
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).
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.
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.
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
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.
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 		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
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 		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.
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.
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).
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
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.
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.
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 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.