Roundabouts Database

10235 Results

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


Search Advanced Search Export as KML
City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways Functional Class /
LaneType 		Year Completed Comments
New Westminster, BC
Greater Vancouver Regional District
Canada 		10th St./Carnarvon St.
(49.20056, -122.91550) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2002
Hillsboro, OR
Washington Co.
United States 		NE Butler St./NE 65th Ave.
(45.53838, -122.91368) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2014
Olympia, WA
Thurston
United States 		Olympic Way NW/Harrison Ave. NW/W Bay Dr. NW
(47.04582, -122.91330) 		Roundabout
Existing 		All-Way Yield
Active Pedestrian Warning (flashing yellow) 		3 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2004 Opened March 2004. Functional Class: Arterial
Tumwater, WA
Thurston
United States 		Tumwater Blvd./New Market St.
(46.97971, -122.91320) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2006 Functional Class: Arterial
Olympia, WA
Thurston
United States 		Olympic Way NW/4th Ave. W/5th Ave. W
(47.04422, -122.91200) 		Roundabout
Existing 		All-Way Yield
Active Pedestrian Warning (flashing yellow) 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2004 Opened March 2004. Functional Class: Arterial
Burnaby, BC
Greater Vancouver Regional District
Canada 		East Campus Rd./University Dr. E
(49.27628, -122.90450) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways 		Other
Single-Lane 		On the Simon Fraser University campus
Olympia, WA
Thurston
United States 		Capitol Way N/Market St. NE/Corky Ave. NW/Columbia St. NW
(47.05005, -122.90250) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Single-Lane 		1995 June 1995.
Delta, BC
Metro Vancouver
Canada 		82nd Ave./116th St.
(49.15220, -122.90150) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Unknown 		2005
Olympia, WA
Thurston
United States 		Jefferson St SE/14th Ave. SE
(47.03551, -122.89590) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2010 October 2010.
Olympia, WA
Thurston
United States 		14th Ave. SE/E Bay Dr./Henderson Blvd. SE
(47.02971, -122.89140) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2005 Opened July 2005. Southbound right turn bypass lane.
Medford, OR
Jackson Co.
United States 		N Cottage St./Ohio St.
(42.34260, -122.88285) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2012 Year Completed estimated (2011-2012). West leg religned to southwest 2016-2017.
Kelso, WA
Cowlitz Co.
United States 		SR 432/Old Hwy 99/I-5 NB Ramps/Kelso Dr.
(46.10485, -122.87582) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Freeway Ramps
Unknown 		2015 Open August 2015.
Olympia, WA
Thurston
United States 		Yelm Hwy SE/Brassfield Rd. SE
(47.00367, -122.87310) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2011 May 2011.
Nice, CA
Lake Co.
United States 		SR 20/Pyle Rd.
(39.13028, -122.87111) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2013
Healdsburg, CA
Sonoma Co.
United States 		Healdsburg Ave./Mill St./Vine St.
(38.60833, -122.87009) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways 		Other
Single-Lane 		2018 At-grade railroad crossing through central island.
Olympia, WA
Thurston
United States 		Yelm Hwy SE/Boulevard Rd. SE
(47.00397, -122.86540) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2011 May 2011.
Olympia, WA
Thurston
United States 		Log Cabin Rd. SE/Boulevard Rd. SE
(47.01433, -122.86520) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2009 November 2009.
Olympia, WA
Thurston Co.
United States 		Boulevard Rd./Morse-Merryman Rd. SE
(47.01817, -122.86518) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways 		Other
Single-Lane 		2018
Lacey, WA
Thurston Co.
United States 		Boulevard Rd. SE/22nd Ave.
(47.02903, -122.86477) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2014 Right-turn-only lane on west leg. Elliptical shape. Open October 2014.
Sherwood, OR
Washington
United States 		Meinecke Pkwy./Cedar Brook Way
(45.36180, -122.85870) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2003
Aloha, OR
Washington Co.
United States 		SW 175th St./SW Kemmer Rd.
(45.45121, -122.85724) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2018
Sherwood, OR
Washington
United States 		SW Meinecke Pkwy/SW Dewey Dr.
(45.35897, -122.85650) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2003
Coquitlam, BC
Greater Vancouver
Canada 		Woolridge St./(parking lot)
(49.23188, -122.85288) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2012 Year Completed estimated (2011-2012).
Medford, OR
Jackson
United States 		Highland Dr./Siskiyou Blvd.
(42.32109, -122.84990) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2006
Olympia, WA
Thurston
United States 		18th Ave. SE/Hoffman Rd. SE/Ontario St. SE
(47.03250, -122.84959) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2010 Opened October 2010.
Olympia, WA
Thurston
United States 		18th Ave. SE/Fones Rd. SE
(47.03248, -122.84690) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Single-Lane 		2010 October 2010.
Tigard, OR
Washington
United States 		SW Barrows Rd./SW Roshak Rd./(parking lot)
(45.42692, -122.84486) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2008
Port Moody, BC
Greater Vancouver
Canada 		David Ave./Hertage Mountain Blvd./(school access)
(49.29850, -122.84327) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2003 http://www.minnowlake.ca/Roundabouts_in_Canada_2013%20(1).pdf
Beaverton, OR
Washington
United States 		SW Teal Blvd./SW 155th Ave./SW Nutcracker Ct.
(45.44060, -122.83760) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		Characteristics of a roundabout, but yield signs replaced with stop signs in 1998.
Sherwood, OR
Washington
United States 		Langer Farms Pkwy./Century Dr.
(45.36454, -122.83630) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2011 Opened November 2011
Lacey, WA
Thurston
United States 		Pacific Ave./Golf Club Rd./Lacey Blvd.
(47.03786, -122.82860) 		Roundabout
Existing 		All-Way Yield
None 		6 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2003 Completed July 22, 2003. Functional Class: Arterial
Sherwood, OR
Washington
United States 		SW Oregon St./SW Murdock Rd.
(45.36060, -122.82520) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2002 Completed November 2002.
Lacey, WA
Thurston
United States 		College St./45th Ave.
(47.00710, -122.82310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2002 Completed November 6, 2002. Previously controlled by two-way stop Functional Class: Arterial
Lacey, WA
Thurston
United States 		Rainier Rd. SE/SE Balustrade Blvd.
(46.98697, -122.82220) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Single-Lane 		2005 September 2005. Horizon Pointe subdivision.
Surrey, BC
Greater Vancouver
Canada 		20 Ave./Rotary Way/(parking lot)
(49.03845, -122.81781) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2006
Windsor, CA
Sonoma Co.
United States 		Old Redwood Hwy/Windsor Rd
(38.55271, -122.81661) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2016
Windsor, CA
Sonoma Co.
United States 		Old Redwood Hwy/Market St
(38.54956, -122.81353) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2015
Beaverton, OR
Washington
United States 		SW Hart Rd./Sorrento Rd./Juniper Terr.
(45.46680, -122.80880) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		Functional Class: Collector. Pedestrian ramps into circulatory roadway.
Lacey, WA
Thurston
United States 		Pacific Ave./Lacey Blvd./Lacey St./Homann Dr.
(47.03677, -122.80630) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2003 Completed September 16, 2003. Functional Class: Arterial
Port Townsend, WA
Jefferson Co.
United States 		Discovery Rd./Rainier St./Howard St.
(48.10787, -122.80624) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2017 Two-way separated bike path along east side.
Port Townsend, WA
Jefferson
United States 		SR 20 (Sims Way)/Howard St.
(48.10260, -122.80500) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Single-Lane 		2010 April 2010.
Pemberton, BC
Pemberton Valley
Canada 		Portage Rd./Aspen Blvd.
(50.32196, -122.80490) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		Near railroad crossing.
Wilsonville, OR
Clackamas
United States 		SW Grahams Ferry Rd./SW Barber St.
(45.31273, -122.80170) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways 		Other
Single-Lane 		2014
Port Townsend, WA
Jefferson
United States 		SR 20 (Sims Way)/Thomas St.
(48.10328, -122.79900) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Single-Lane 		2010 July 2010.
Wilsonville, OR
Clackamas Co.
United States 		SW Villebois Dr./SW Costa Cir.
(45.31264, -122.79111) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2014 Year Completed estimated (2014-2015).
Wilsonville, OR
Clackamas
United States 		SW Barber St./Costa Cir./110th Ave.
(45.30843, -122.79090) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2007
Surrey, BC
Greater Vancouver
Canada 		156 St./82 Ave.
(49.15186, -122.79010) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2016
Wilsonville, OR
Clackamas
United States 		SW Boeckman Rd./Tooze Rd.
(45.31616, -122.78790) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2008
Wilsonville, OR
Clackamas
United States 		SW Barber St./Brown Rd.
(45.30865, -122.78620) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2007
Lacey, WA
Thurston
United States 		Britton Pkwy. NE/Gateway Blvd.
(47.06858, -122.78590) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2007 Opened September 2007.
Olympia, WA
Thurston Co.
United States 		Marvin Rd. NE/41st Ave. NE
(47.09046, -122.78075) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2014
Lacey, WA
Thurston
United States 		Marvin Rd./Hawks Prairie Rd.
(47.08312, -122.78070) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2002 Constructed September 14, 2002. Previously controlled by one-way stop Functional Class: Arterial
Wilsonville, OR
Clackamas Co.
United States 		SW Boeckman Rd./SW Kinsman Rd.
(45.31738, -122.77993) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways 		Other
Single-Lane 		2017
Surrey, BC
Greater Vancouver
Canada 		160 St./82 Ave.
(49.15184, -122.77886) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2014
Surrey, BC
Greater Vancouver Regional District
Canada 		King George Hwy/14th St. (Ave.?)
(49.02746, -122.77110) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2007 http://www.icbc.com/road_safety/road_improve_pu/surrey.asp
Lacey, WA
Thurston
United States 		Marvin Rd./Britton Pkwy.
(47.06905, -122.77090) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2000 Completed September 14, 2000. Functional Class: Arterial
Lacey, WA
Thurston
United States 		Vashon Dr. NE/Columbia Way NE
(47.09724, -122.77000) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2005 Opened December 2005.
Lacey, WA
Thurston
United States 		I-5 NB Off-Ramp/Galaxy Dr./Quinault Dr.
(47.06127, -122.76890) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2000 Completed November 1, 2000.
Lacey, WA
Thurston
United States 		Marvin Rd./Hawks Prairie Commercial Blvd.
(47.06717, -122.76820) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2000 Roundabout installed, although cross street not initially constructed. Functional Class: Arterial
Prince George, BC
Fraser-Fort George Region
Canada 		Cameron St./N. Neechako Rd.
(53.92848, -122.76730) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Unknown 		2009 Completed August 2009. http://www.city.pg.bc.ca/city_services/transportation/cameronstreetbridge/
Lacey, WA
Thurston Co.
United States 		Hogum Bay Rd. NE/Willamette Dr. NE
(47.06943, -122.76485) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2017
Lacey, WA
Thurston
United States 		SR 510 (Marvin Rd.)/Pacific Ave.
(47.03941, -122.76480) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2003 Completed July 28, 2003. Functional Class: Arterial
Surrey, BC
Greater Vancouver Regional District
Canada 		King George Hwy/8th Ave.
(49.01661, -122.76240) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2004
Lacey, WA
Thurston
United States 		Lacey Regional Athletic Center Entrance
(47.04578, -122.76200) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Single-Lane 		2007 July 2007.
Woodland, WA
Cowlitz
United States 		Dike Access Rd./Schurman Way
(45.92657, -122.75960) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Single-Lane 		2012
Surrey, BC
Greater Vancouver Regional District
Canada 		8 Ave./Hwy 99 NB Ramps
(49.01694, -122.75800) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Freeway Ramps
Multilane (2 Lane) 		2005
Woodland, WA
Cowlitz
United States 		Dike Access Rd./I-5 SB Ramps
(45.92699, -122.75780) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Single-Lane 		2010 December 2010.
Seabeck, WA
Kitsap Co.
United States 		Seabeck Hwy NW/NW Holly Rd.
(47.60901, -122.75692) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2015 Open October 2015.
Woodland, WA
Cowlitz
United States 		Dike Access Rd./I-5 NB Ramps
(45.92774, -122.75520) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Single-Lane 		2010 December 2010.
Blaine, WA
Whatcom
United States 		I-5 SB Ramps/Peace Portal Dr./Marine Dr.
(48.99723, -122.75250) 		Roundabout
Existing 		All-Way Yield
At-Grade Rail Crossing Gates (controlling approach only) 		4 Approaches
0 Driveways 		Freeway Ramps
Single-Lane 		2010 May 2010. Roundabout is ~200 ft from railroad crossing.
Lacey, WA
Thurston Co.
United States 		Willamette Dr. NE/31st Ave. NE
(47.07789, -122.75228) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2015 Open October 2015.
Blaine, WA
Whatcom
United States 		I-5 NB Ramps/D St./2nd St.
(48.99810, -122.75140) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Freeway Ramps
Single-Lane 		2010 May 2010.
Bremerton, WA
Kitsap
United States 		Cross SKIA Connector/Harry Earl Rd.
(47.50340, -122.75060) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2010 September 2010.
Lacey, WA
Thurston
United States 		Meridian Rd./Orion Dr.
(47.06890, -122.74140) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2002 Opened October 2002. Functional Class: Collector
Woodland, WA
Cowlitz Co.
United States 		SR 503 (Lewis River Rd.)/Scott Ave.
(45.91699, -122.74009) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2015 Open September 2015.
Woodland, WA
Cowlitz
United States 		Insel Rd./Willow St.
(45.92236, -122.73390) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Single-Lane 		2009 June 2009.
Blaine, WA
Whatcom
United States 		Grandview Rd. (SR 548)/Blaine Rd./BP Refinery access
(48.89202, -122.72650) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Single-Lane 		2010 September 2010.
Lake Oswego, OR
Clackamas
United States 		SW Carman Dr./SW Meadows Rd./SW Quarry Rd.
(45.41700, -122.72490) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2003
Portland, OR
Multnomah Co.
United States 		N Clarendon Ave
(45.58974, -122.72415) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		1 Approaches
1 Driveways 		Other
Single-Lane
Port Orchard, WA
Kitsap Co.
United States 		SW Lake Flora Rd./JM Dickenson Rd. SW
(47.46497, -122.72410) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2011 https://pugetsoundblogs.com/roadwarrior/tag/lake-flora/
Portland, OR
Multnomah Co.
United States 		SW 47th Dr./SW 43rd Ave.
(45.49245, -122.72111) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Mini-roundabout 		2007 Completed 4/29/2007. Painted but unraised central island. No splitter islands.
Ridgefield, WA
Clark Co.
United States 		35th Avenue/Pioneer Street (WA SR-501)
(45.81557, -122.71310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2018
Portland, OR
Multnomah Co.
United States 		NW 27th Ave./NW Raleigh St.
(45.53395, -122.70680) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1988 Completed 9/30/1988.
Ridgefield, WA
Clark Co.
United States 		NW 319th St./NW 31st Ave.
(45.85180, -122.70607) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2017 Part of Ilani Casino interchange project and is operational.
Portland, OR
Multnomah Co.
United States 		NW 26th Ave./NW Raleigh St.
(45.53397, -122.70479) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1988 Completed 9/30/1988.
Ferndale, WA
Whatcom Co.
United States 		Grandview Rd./Kickerville Rd.
(48.89210, -122.70435) 		Roundabout
Unknown 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Unknown 		2018
Ridgefield, WA
Clark Co.
United States 		NW 319th St./I-5 SB Ramps
(45.85194, -122.70382) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways 		Freeway Ramps
Unknown 		2017 Part of Ilani Casino interchange project.
Silverdale, WA
Kitsap
United States 		NW Anderson Hill Rd./Frontier Pl. NW
(47.65368, -122.70350) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways 		Other
Single-Lane 		2003 Opened September 2003.
Ridgefield, WA
Clark
United States 		SR 501 (Pioneer St.)/45th Ave.
(45.81568, -122.70290) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2007 Opened August 16, 2007. http://www.wsdot.wa.gov/News/2007/08/06_SR501Roundabouts.htm. Rural.
Portland, OR
Multnomah
United States 		NW 25th Ave./NW Quimby St.
(45.53330, -122.70280) 		Neighborhood Traffic Circle
Existing 		Two-Way Stop
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		1988 Completed 9/30/1988.
Portland, OR
Multnomah
United States 		NW 25th Ave./NW Overton St.
(45.53190, -122.70270) 		Neighborhood Traffic Circle
Existing 		Two-Way Stop
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1988 Completed 9/30/1988.
Portland, OR
Multnomah
United States 		NW 25th Ave./NW Marshall St.
(45.53040, -122.70270) 		Neighborhood Traffic Circle
Existing 		Two-Way Stop
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1988 Completed 9/30/1988.
(unincorporated), OR
Clackamas
United States 		SW Stafford Rd./SW Borland Rd.
(45.37472, -122.70240) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2008
Surrey, BC
Greater Vancouver Regional District
Canada 		188 St./68 Ave.
(49.12614, -122.70170) 		Roundabout
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Single-Lane 		2007
Silverdale, WA
Kitsap Co.
United States 		Silverdale Way NW/Chico Way NW/NW Newberry Hill Rd.
(47.63704, -122.70135) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2012 Open September 2012.
Ridgefield, WA
Clark Co.
United States 		NW La Center Rd./I-5 NB Ramps
(45.85250, -122.70110) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways 		Freeway Ramps
Unknown 		2017 Part of Ilani Casino interchange project.
Surrey, BC
Greater Vancouver Regional District
Canada 		190 St./68 Ave.
(49.12626, -122.69620) 		Roundabout
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways 		Other
Single-Lane 		2007
Nisqually, WA
Thurston Co.
United States 		SR 510/Reservation Rd. SE
(47.01099, -122.69188) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2013 Reverse curves on west and east legs. Open November 2013.
Ridgefield, WA
Clark
United States 		SR 501/S 56th Pl.
(45.81582, -122.69070) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2012
Lake Oswego, OR
Clackamas
United States 		SW Stafford Rd./SW Rosemont Rd.
(45.39300, -122.69020) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2005