26251 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
Kalama, WA
Cowlitz Co.
United States
Kalama River Rd. / Old Hwy 99
(46.04277, -122.85420)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Single-Lane
2020 Year Completed estimated (2018-2021).
Coquitlam, BC
Greater Vancouver
Canada
Woolridge St. / (parking lot)
(49.23188, -122.85288)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
28.8561
Other (At-Grade)
Single-Lane
2012 Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
Medford, OR
Jackson Co.
United States
Highland Dr. / Siskiyou Blvd.
(42.32110, -122.84986)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.6720
Other (At-Grade)
Single-Lane
2006 Elliptical shaped. ICD = 140 ft x 125 ft. Fire station on south leg.
Olympia, WA
Thurston Co.
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
35.8175
Other (At-Grade)
Single-Lane
2010 Opened October 2010. ICD estimated from Google Maps linework.
River Terrace, OR
Washington Co.
United States
SW River Terrace Blvd. / SW Appledale Rd.
(45.42317, -122.84929)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2018
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
37.7271
Other (At-Grade)
Single-Lane
2018 ICD estimated from Google Maps linework.
Olympia, WA
Thurston Co.
United States
18th Ave. SE / Fones Rd. SE
(47.03248, -122.84690)
Roundabout
Existing
All-Way Yield
None
0 Approaches
0 Driveways
36.6316
Other (At-Grade)
Single-Lane
2010 October 2010. ICD estimated from Google Maps linework.
Medford, OR
Jackson Co.
United States
Springbrook Rd. / Cedar Links Dr.
(42.35287, -122.84582)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2021 https://www.medfordoregon.gov/News-Articles/Springbrook-Road-Improvement-Project
Tigard, OR
Washington Co.
United States
SW Barrows Rd. / SW Roshak Rd. / (parking lot)
(45.42692, -122.84486)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.4989
Other (At-Grade)
Single-Lane
2008 ICD estimated from Google Maps linework.
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
29.5960
Other (At-Grade)
Single-Lane
2003 http://www.minnowlake.ca/Roundabouts_in_Canada_2013%20(1).pdf ICD estimated from Google Maps linework.
Olympia, WA
Thurston Co.
United States
Chehalis Western Trl. / Woodland Trl.
(47.03914, -122.83937)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
15.2400
Other (At-Grade)
Single-lane w/ Traversable Central Island
2015 Bicycle trail to bicycle trail only roundabout.
Sherwood, OR
Washington Co.
United States
SW Oregon St. / SW 1st St. / SW Ash St.
(45.35781, -122.83924)
Other
Existing
Uncontrolled
Unknown
4 Approaches
1 Driveways
0.0000
Other (At-Grade)
Single-Lane
Beaverton, OR
Washington Co.
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
37.7099
Other (At-Grade)
Single-Lane
Characteristics of a roundabout, but yield signs replaced with stop signs in 1998. ICD estimated from Google Maps linework.
Sherwood, OR
Washington Co.
United States
Langer Farms Pkwy. / Century Dr.
(45.36454, -122.83630)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
50.3477
Other (At-Grade)
Multilane (2 Lane, unspecified)
2011 Opened November 2011 ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States
Pacific Ave. / Golf Club Rd. / Lacey Blvd.
(47.03786, -122.82860)
Roundabout
Existing
All-Way Yield
None
6 Approaches
0 Driveways
61.8604
Other (At-Grade)
Multilane (2 Lane, unspecified)
2003 Completed July 22, 2003. Functional Class: Arterial ICD estimated from Google Maps linework.
Sherwood, OR
Washington Co.
United States
SW Oregon St. / SW Murdock Rd.
(45.36060, -122.82520)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
49.5120
Other (At-Grade)
Single-Lane
2002 Completed November 2002. ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States
22nd Ave. SE / College St. SE
(47.02744, -122.82321)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, unspecified)
2020 https://www.theolympian.com/news/local/article245417580.html
Lacey, WA
Thurston Co.
United States
College St. / 45th Ave.
(47.00710, -122.82310)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.0923
Other (At-Grade)
Multilane (2 Lane, unspecified)
2002 Completed November 6, 2002. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States
Rainier Rd. SE / SE Balustrade Blvd.
(46.98697, -122.82220)
Roundabout
Existing
All-Way Yield
Active Pedestrian Warning (flashing yellow)
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Single-Lane
2005 September 2005. Horizon Pointe subdivision. Serves as primary access to Horizon Pointe Elementary School.
White City, OR
Jackson Co.
United States
OR 140 / Atlantic Ave. / Foothill Rd.
(42.42259, -122.81859)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, unspecified)
2020 https://content.govdelivery.com/accounts/ORDOT/bulletins/2a5a500
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
28.9690
Other (At-Grade)
Single-Lane
2006 ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States
Parkside Dr. SE / 53rd St. SE
(47.00040, -122.81703)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2008 Year Completed estimated (2006-2009).
Windsor, CA
Sonoma Co.
United States
Windsor River Rd. / Windsor Rd.
(38.54725, -122.81687)
Roundabout
Existing
All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling all approaches)
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2022 Rail line through central island.
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
31.7562
Other (At-Grade)
Single-Lane
2016 ICD estimated from Google Maps linework.
King City, OR
Washington Co.
United States
SW Fischer Rd. / SW 136th Ave.
(45.39676, -122.81642)
Other
Existing
All-Way Stop
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
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
34.5598
Other (At-Grade)
Single-Lane
2015 ICD estimated from Google Maps linework.
Beaverton, OR
Washington Co.
United States
SW Hart Rd. / Sorrento Rd. / Juniper Terr.
(45.46680, -122.80880)
Other
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.1283
Other (At-Grade)
Single-Lane
Functional Class: Collector. Pedestrian ramps into circulatory roadway. ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States
Pacific Ave. / Lacey Blvd. / Lacey St. / Homann Dr.
(47.03677, -122.80630)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
53.7220
Other (At-Grade)
Multilane (2 Lane, unspecified)
2003 Completed September 16, 2003. Functional Class: Arterial ICD estimated from Google Maps linework.
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
37.4820
Other (At-Grade)
Single-Lane
2017 Two-way separated bike path along east side. ICD estimated from Google Maps linework.
Pemberton, BC
Pemberton Valley
Canada
Portage Rd. / Aspen Blvd.
(50.32201, -122.80508)
Roundabout
Existing
All-Way Yield
At-grade Rail Crossing Signal/Beacon
3 Approaches
0 Driveways
35.0000
Other (At-Grade)
Single-Lane
Port Townsend, WA
Jefferson Co.
United States
SR 20 (Sims Way) / Howard St.
(48.10260, -122.80500)
Roundabout
Existing
All-Way Yield
None
0 Approaches
0 Driveways
35.0931
Other (At-Grade)
Single-Lane
2010 April 2010. ICD estimated from Google Maps linework.
Belfair, WA
Mason Co.
United States
SR 3 / Log Yard Rd.
(47.46778, -122.80455)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Single-Lane
2020 Central island truck apron and external truck aprons for long trucks making turns. Year Completed estimated (2018-2021).
Wilsonville, OR
Clackamas Co.
United States
SW Alta Ln. / SW Alta Ct.
(45.30418, -122.80186)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Wilsonville, OR
Clackamas Co.
United States
SW Grahams Ferry Rd. / SW Barber St.
(45.31273, -122.80170)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
26.0368
Other (At-Grade)
Single-Lane
2014 ICD estimated from Google Maps linework.
Port Townsend, WA
Jefferson Co.
United States
SR 20 (Sims Way) / Thomas St.
(48.10328, -122.79900)
Roundabout
Existing
All-Way Yield
None
0 Approaches
0 Driveways
35.0927
Other (At-Grade)
Single-Lane
2010 July 2010. ICD estimated from Google Maps linework.
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
44.5145
Other (At-Grade)
Single-Lane
2014 Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
Wilsonville, OR
Clackamas Co.
United States
SW Barber St. / Costa Cir. / 110th Ave.
(45.30843, -122.79090)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
41.1580
Other (At-Grade)
Single-Lane
2007 ICD estimated from Google Maps linework.
Surrey, BC
Greater Vancouver
Canada
156 St. / 82 Ave.
(49.15186, -122.79010)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
21.0913
Other (At-Grade)
Single-Lane
2016 ICD estimated from Google Maps linework.
Surrey, BC
Greater Vancouver
Canada
108 Ave. / 156 St.
(49.19885, -122.78978)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.0000
Other (At-Grade)
Single-Lane
2016 Year Completed estimated (2015-2016).
Wilsonville, OR
Clackamas Co.
United States
SW Boeckman Rd. / Tooze Rd.
(45.31616, -122.78790)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
40.3126
Other (At-Grade)
Single-Lane
2008 ICD estimated from Google Maps linework.
Wilsonville, OR
Clackamas Co.
United States
SW Carinthia Circle
(45.31150, -122.78783)
Other
Existing
Unknown
Unknown
5 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Wilsonville, OR
Clackamas Co.
United States
SW Barber St. / Brown Rd.
(45.30865, -122.78620)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
40.3179
Other (At-Grade)
Single-Lane
2007 ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States
Britton Pkwy. NE / Gateway Blvd.
(47.06858, -122.78590)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
42.3012
Other (At-Grade)
Multilane (2 Lane, unspecified)
2007 Opened September 2007. ICD estimated from Google Maps linework.
Surrey, BC
Greater Vancouver
Canada
108 Ave. / 158 St. / 157A St.
(49.19886, -122.78424)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.0000
Other (At-Grade)
Single-Lane
2006 Year Completed estimated (2006-2007).
Olympia, WA
Thurston Co.
United States
Marvin Rd. NE / 41st Ave. NE
(47.09046, -122.78075)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.0040
Other (At-Grade)
Single-Lane
2014
Lacey, WA
Thurston Co.
United States
Marvin Rd. / Hawks Prairie Rd.
(47.08312, -122.78070)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.6509
Other (At-Grade)
Single-Lane
2002 Constructed September 14, 2002. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
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
41.1515
Other (At-Grade)
Single-Lane
2017 ICD estimated from Google Maps linework.
Surrey, BC
Greater Vancouver
Canada
160 St. / 82 Ave.
(49.15184, -122.77886)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
17.1855
Other (At-Grade)
Single-Lane
2014 ICD estimated from Google Maps linework.
Tualatin, OR
Washington Co.
United States
(unknown)
(45.35135, -122.77261)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
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
29.7585
Other (At-Grade)
Single-Lane
2007 http://www.icbc.com/road_safety/road_improve_pu/surrey.asp ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States
Marvin Rd. / Britton Pkwy.
(47.06905, -122.77090)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
46.3682
Other (At-Grade)
Multilane (2 Lane, unspecified)
2000 Completed September 14, 2000. Functional Class: Arterial ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States
Vashon Dr. NE / Columbia Way NE
(47.09724, -122.77000)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
26.0175
Other (At-Grade)
Single-Lane
2005 Opened December 2005. ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
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
32.5438
Other (At-Grade)
Single-Lane
2000 Completed November 1, 2000. ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States
Marvin Rd. NE / Main St. NE
(47.06709, -122.76828)
Roundabout
Existing
All-Way Yield
None
2 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane, unspecified)
2000 Roundabout installed, although cross street not initially constructed.
Prince George, BC
Fraser-Fort George Region
Canada
Cameron St. / N. Neechako Rd.
(53.92850, -122.76743)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.0000
Other (At-Grade)
Single-Lane
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
39.8601
Other (At-Grade)
Multilane (2 Lane, unspecified)
2017 ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States
SR 510 (Marvin Rd.) / Pacific Ave.
(47.03941, -122.76480)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.5572
Other (At-Grade)
Multilane (2 Lane, unspecified)
2003 Completed July 28, 2003. Functional Class: Arterial ICD estimated from Google Maps linework.
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
34.4647
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States
Lacey Regional Athletic Center Entrance
(47.04578, -122.76200)
Roundabout
Existing
All-Way Yield
None
0 Approaches
0 Driveways
25.2288
Other (At-Grade)
Single-Lane
2007 July 2007. ICD estimated from Google Maps linework.
Woodland, WA
Cowlitz Co.
United States
Dike Access Rd. / Schurman Way
(45.92657, -122.75960)
Roundabout
Existing
All-Way Yield
None
0 Approaches
0 Driveways
37.3838
Other (At-Grade)
Single-Lane
2012 ICD estimated from Google Maps linework.
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
34.4645
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
2005 ICD estimated from Google Maps linework.
Woodland, WA
Cowlitz Co.
United States
Dike Access Rd. / I-5 SB Ramps
(45.92699, -122.75780)
Roundabout
Existing
All-Way Yield
None
0 Approaches
0 Driveways
39.0450
Other (At-Grade)
Single-Lane
2010 December 2010. ICD estimated from Google Maps linework.
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 (At-Grade)
Single-Lane
2015 Open October 2015.
Woodland, WA
Cowlitz Co.
United States
Dike Access Rd. / I-5 NB Ramps
(45.92774, -122.75520)
Roundabout
Existing
All-Way Yield
None
0 Approaches
0 Driveways
33.2293
Other (At-Grade)
Single-Lane
2010 December 2010. ICD estimated from Google Maps linework.
Olympia, WA
Thurston Co.
United States
Marvin Rd. SE / Lake Forest Dr. SE / Oakwood St. SE
(47.01411, -122.75428)
Roundabout
Existing
All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB)
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2019
Blaine, WA
Whatcom Co.
United States
I-5 SB Ramps / Peace Portal Dr. / Marine Dr.
(48.99723, -122.75250)
Roundabout
Existing
All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only)
4 Approaches
0 Driveways
26.6422
Freeway Ramps (Grade-Separated)
Single-Lane
2010 May 2010. Roundabout is ~200 ft from railroad crossing. ICD estimated from Google Maps linework.
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
43.9205
Other (At-Grade)
Multilane (2 Lane, unspecified)
2015 Open October 2015. ICD estimated from Google Maps linework.
Blaine, WA
Whatcom Co.
United States
I-5 NB Ramps / D St. / 2nd St.
(48.99810, -122.75140)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.6939
Freeway Ramps (Grade-Separated)
Single-Lane
2010 May 2010. ICD estimated from Google Maps linework.
Bremerton, WA
Kitsap Co.
United States
Cross SKIA Connector / Harry Earl Rd.
(47.50340, -122.75060)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
32.2730
Other (At-Grade)
Single-Lane
2010 September 2010. ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States
Meridian Rd. / Orion Dr.
(47.06890, -122.74140)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.1661
Other (At-Grade)
Single-Lane
2002 Opened October 2002. Functional Class: Collector ICD estimated from Google Maps linework.
Olympia, WA
Thurston Co.
United States
Yelm Hwy. SE / Meridian Rd. SE
(46.98551, -122.74087)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2022 https://yelm-meridian-thurston.hub.arcgis.com/
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
40.7138
Other (At-Grade)
Single-Lane
2015 Open September 2015. ICD estimated from Google Maps linework.
Woodland, WA
Cowlitz Co.
United States
Insel Rd. / Willow St.
(45.92236, -122.73390)
Roundabout
Existing
All-Way Yield
None
0 Approaches
0 Driveways
30.7401
Other (At-Grade)
Single-Lane
2009 June 2009. ICD estimated from Google Maps linework.
Olympia, WA
Thurston Co.
United States
SR 510 / Meridian Rd. SE
(47.01799, -122.72703)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2019 https://wsdot.wa.gov/projects/sr510/meridian-rd-roundabout/home
Blaine, WA
Whatcom Co.
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
38.4771
Other (At-Grade)
Single-Lane
2010 September 2010. ICD estimated from Google Maps linework.
Lake Oswego, OR
Clackamas Co.
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
29.3422
Other (At-Grade)
Single-Lane
2003 ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
N Clarendon Ave
(45.58974, -122.72415)
Traffic Calming Circle
Existing
Unknown
None
1 Approaches
1 Driveways
Other (At-Grade)
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
33.9114
Other (At-Grade)
Single-Lane
2011 https://pugetsoundblogs.com/roadwarrior/tag/lake-flora/ ICD estimated from Google Maps linework.
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
54.4198
Other (At-Grade)
Single-lane w/ Traversable Central Island
2007 Completed 4/29/2007. Painted but unraised central island. No splitter islands. ICD estimated from Google Maps linework.
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
37.4585
Other (At-Grade)
Single-Lane
2018 ICD estimated from Google Maps linework.
Rohnert Park, CA
Sonoma Co.
United States
Commerce Blvd. / Southwest Blvd.
(38.33615, -122.71171)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2022 https://www.pressdemocrat.com/article/news/rohnert-park-roundabout-completed-opens-wednesday/?artslide=0
Portland, OR
Multnomah Co.
United States
NW 27th Ave. / NW Raleigh St.
(45.53395, -122.70680)
Traffic Calming Circle
Existing
Unknown
None
4 Approaches
0 Driveways
10.0393
Other (At-Grade)
Single-Lane
1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
Ridgefield, WA
Clark Co.
United States
NW 319th St. / NW 31st Ave.
(45.85093, -122.70594)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2017 Part of Ilani Casino interchange project.
Portland, OR
Multnomah Co.
United States
NW 26th Ave. / NW Raleigh St.
(45.53397, -122.70479)
Traffic Calming Circle
Existing
Unknown
None
4 Approaches
0 Driveways
19.2420
Other (At-Grade)
Single-Lane
1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
Ferndale, WA
Whatcom Co.
United States
SR 548 (Grandview Rd.) / Kickerville Rd.
(48.89209, -122.70435)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
2018
Ridgefield, WA
Clark Co.
United States
NW 319th St. / I-5 SB Ramps
(45.85163, -122.70380)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
48.7680
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
2017 Part of Ilani Casino interchange project.
Silverdale, WA
Kitsap Co.
United States
NW Anderson Hill Rd. / Frontier Pl. NW
(47.65368, -122.70350)
Roundabout
Existing
Unknown
Unknown
3 Approaches
0 Driveways
21.7218
Other (At-Grade)
Single-Lane
2003 Opened September 2003. ICD estimated from Google Maps linework.
Ridgefield, WA
Clark Co.
United States
SR 501 (Pioneer St.) / 45th Ave.
(45.81568, -122.70290)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.4529
Other (At-Grade)
Single-Lane
2007 Opened August 16, 2007. http://www.wsdot.wa.gov/News/2007/08/06_SR501Roundabouts.htm. Rural. ICD estimated from Google Maps linework.
Ridgefield, WA
Clark Co.
United States
S. Royle Rd. / Settler Dr. (S 45th Ave. / S 3rd Way)
(45.81379, -122.70283)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane, unspecified)
2019 This is the 5th roundabout in the City of Ridgefield.
Portland, OR
Multnomah Co.
United States
NW 25th Ave. / NW Quimby St.
(45.53328, -122.70277)
Traffic Calming Circle
Existing
One-Way/Two-Way Stop
None
3 Approaches
0 Driveways
15.8958
Other (At-Grade)
Single-Lane
1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
NW 25th Ave. / NW Overton St.
(45.53190, -122.70270)
Traffic Calming Circle
Existing
One-Way/Two-Way Stop
None
4 Approaches
0 Driveways
44.3420
Other (At-Grade)
Single-Lane
1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
NW 25th Ave. / NW Marshall St.
(45.53040, -122.70270)
Traffic Calming Circle
Existing
One-Way/Two-Way Stop
None
4 Approaches
0 Driveways
62.7498
Other (At-Grade)
Single-Lane
1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
(unincorporated), OR
Clackamas Co.
United States
SW Stafford Rd. / SW Borland Rd.
(45.37472, -122.70240)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
53.6945
Other (At-Grade)
Multilane (2 Lane, unspecified)
2008 ICD estimated from Google Maps linework.
Surrey, BC
Greater Vancouver Regional District
Canada
188 St. / 68 Ave.
(49.12614, -122.70170)
Roundabout
Existing
Unknown
Unknown
0 Approaches
0 Driveways
25.7916
Other (At-Grade)
Single-Lane
2007 ICD estimated from Google Maps linework.
Ridgefield, WA
Clark Co.
United States
NW La Center Rd. / I-5 NB Ramps
(45.85214, -122.70160)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
51.8160
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
2017 Part of Ilani Casino interchange project.
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
15.2906
Other (At-Grade)
Single-Lane
2012 Open September 2012. ICD estimated from Google Maps linework.
Surrey, BC
Greater Vancouver Regional District
Canada
190 St. / 68 Ave.
(49.12626, -122.69620)
Roundabout
Existing
Unknown
Unknown
0 Approaches
0 Driveways
26.5731
Other (At-Grade)
Single-Lane
2007 ICD estimated from Google Maps linework.
Nisqually, WA
Thurston Co.
United States
SR 510 / Reservation Rd. SE
(47.01164, -122.69148)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2013 Reverse curves on west and east legs. Open November 2013.
Ridgefield, WA
Clark Co.
United States
SR 501 / S 56th Pl.
(45.81582, -122.69070)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.2796
Other (At-Grade)
Single-Lane
2012 ICD estimated from Google Maps linework.
Lake Oswego, OR
Clackamas Co.
United States
SW Stafford Rd. / SW Rosemont Rd.
(45.39300, -122.69020)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.7740
Other (At-Grade)
Single-Lane
2005 ICD estimated from Google Maps linework.