Roundabouts Database

10772 Results

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City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways Functional Class /
LaneType 		Year Completed Comments
Tumwater, WA
Thurston
United States 		Littlerock Rd. SW / Odegard Rd. SW
(46.98985, -122.92650) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Single-Lane 		2010 June 2010.
Springfield, OR
Lane
United States 		58th St. / Thurston Rd.
(44.05320, -122.92640) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2001
Lakeport, CA
Lake Co.
United States 		Todd Rd. / Parallel Dr.
(39.03226, -122.92521) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1998 Year Completed estimated (1993-2003).
Tumwater, WA
Thurston
United States 		Littlerock Rd. SW / Kingswood Dr. SW
(46.99435, -122.92190) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways 		Other
Single-Lane 		2010 September 2010.
Upper Lake, CA
Lake Co.
United States 		SR 20 / SR 29
(39.16333, -122.92095) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways 		Other
Single-Lane 		2015
(unincorporated), OR
Washington
United States 		Scholls Ferry Rd. / River Rd.
(45.42222, -122.91619) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2012 Rural location with high-speed approaching roadways; realignment of each approach reduces speed.
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 		Boulevard Rd. SE / Log Cabin Rd. SE
(47.01433, -122.86520) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2009 Opened November 2009. Left-turn only lanes on north and south legs with spiralling.
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.
Tigard, OR
Washington Co.
United States 		SW Bull Mountain Rd. / SW River Terrace Blvd.
(45.41486, -122.84922) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2018
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.
(45.53328, -122.70277) 		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