Roundabouts Database

13032 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
Whistler, BC
Squamish-Lillooet
Canada 		Nicklaus North Blvd. / Mons Rd.
(50.14255, -122.94859) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		No splitter islands.
Hillsboro, OR
Washington Co.
United States 		NE Veterans Dr. / NE 34th Ave.
(45.52864, -122.94667) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.9575 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Newberg, OR
Yamhill Co.
United States 		N Springbrook Rd. / Crestview Dr. / (future leg)
(45.31532, -122.94593) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
55.4306 		Other (At-Grade)
Single-Lane 		2007 Located near Portland and Western railroad crossing. Replaced offset T-intersections. ICD estimated from Google Maps linework.
Newberg, OR
Yamhill Co.
United States 		Brutscher St. / Hayes St.
(45.30378, -122.94090) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.9211 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Newberg, OR
Yamhill Co.
United States 		Crestview Dr. / Birdhaven Loop
(45.31484, -122.93699) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2012
Newberg, OR
Yamhill Co.
United States 		Providence Dr. / Hayes St. / Wenn Blvd.
(45.30378, -122.93650) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.0409 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2010). ICD estimated from Google Maps linework.
Newberg, OR
Yamhill Co.
United States 		Crestview Dr. / Robin Ct.
(45.31417, -122.93598) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
15.9576 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Tumwater, WA
Thurston Co.
United States 		Littlerock Rd. SW / Tumwater Blvd. SW
(46.98292, -122.93560) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
31.7768 		Other (At-Grade)
Single-Lane 		2009 July 2009. ICD estimated from Google Maps linework.
Tumwater, WA
Thurston Co.
United States 		Littlerock Rd. SW / Israel Rd. SW / 70th Ave. SW
(46.98557, -122.93230) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
27.7015 		Other (At-Grade)
Single-Lane 		2009 October 2009. ICD estimated from Google Maps linework.
Burnaby, BC
Greater Vancouver
Canada 		Gaglardi Way / University Dr. W
(49.27628, -122.93078) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.8429 		Other (At-Grade)
Single-Lane 		2014 Right-turn bypass lane on southeast leg. ICD estimated from Google Maps linework.
Hillsboro, OR
Washington Co.
United States 		Brookwood Ave. / Alexander St.
(45.49736, -122.93050) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6949 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Central Point, OR
Jackson Co.
United States 		Taylor Rd. / Silver Creek Dr.
(42.37467, -122.92876) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.0579 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
Tumwater, WA
Thurston Co.
United States 		Israel Rd. SW / Tyee Dr. SW
(46.98552, -122.92855) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2017 Right-turn-only lane on north leg. South leg stubbed. Year Completed estimated (2016-2017).
Delta, BC
Greater Vancouver
Canada 		Delsom Crescent / Delsom Way
(49.15497, -122.92664) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0000 		Other (At-Grade)
Single-Lane 		2008 Splitter islands added 2014-2015.
Tumwater, WA
Thurston Co.
United States 		Littlerock Rd. SW / Odegard Rd. SW
(46.98985, -122.92650) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
30.9580 		Other (At-Grade)
Single-Lane 		2010 June 2010. ICD estimated from Google Maps linework.
Springfield, OR
Lane Co.
United States 		58th St. / Thurston Rd.
(44.05320, -122.92640) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.7507 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Lakeport, CA
Lake Co.
United States 		Todd Rd. / Parallel Dr.
(39.03226, -122.92521) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.5433 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2003). ICD estimated from Google Maps linework.
Tumwater, WA
Thurston Co.
United States 		Littlerock Rd. SW / Kingswood Dr. SW
(46.99435, -122.92190) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
37.4723 		Other (At-Grade)
Single-Lane 		2010 September 2010. ICD estimated from Google Maps linework.
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
36.1148 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
(unincorporated), OR
Washington Co.
United States 		Scholls Ferry Rd. / River Rd.
(45.42222, -122.91619) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.2667 		Other (At-Grade)
Multilane (2 Lane) 		2012 Rural location with high-speed approaching roadways; realignment of each approach reduces speed. ICD estimated from Google Maps linework.
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
17.1686 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
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
35.1349 		Other (At-Grade)
Multilane (2 Lane) 		2014 ICD estimated from Google Maps linework.
Olympia, WA
Thurston Co.
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
34.9947 		Other (At-Grade)
Multilane (2 Lane) 		2004 Opened March 2004. Functional Class: Arterial ICD estimated from Google Maps linework.
Tumwater, WA
Thurston Co.
United States 		Tumwater Blvd. / New Market St.
(46.97971, -122.91320) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.7052 		Other (At-Grade)
Multilane (2 Lane) 		2006 Functional Class: Arterial ICD estimated from Google Maps linework.
Olympia, WA
Thurston Co.
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
38.2512 		Other (At-Grade)
Multilane (2 Lane) 		2004 Opened March 2004. Functional Class: Arterial ICD estimated from Google Maps linework.
Burnaby, BC
Greater Vancouver Regional District
Canada 		East Campus Rd. / University Dr. E
(49.27628, -122.90450) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2003 On the Simon Fraser University campus. Year Completed estimated (2002-2004).
Olympia, WA
Thurston Co.
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
25.2268 		Other (At-Grade)
Single-Lane 		1995 June 1995. ICD estimated from Google Maps linework.
Delta, BC
Metro Vancouver
Canada 		82nd Ave. / 116th St.
(49.15220, -122.90150) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.0911 		Other (At-Grade)
Unknown 		2005 ICD estimated from Google Maps linework.
Olympia, WA
Thurston Co.
United States 		Jefferson St SE / 14th Ave. SE
(47.03551, -122.89590) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
35.8155 		Other (At-Grade)
Multilane (2 Lane) 		2010 October 2010. ICD estimated from Google Maps linework.
Olympia, WA
Thurston Co.
United States 		14th Ave. SE / E Bay Dr. / Henderson Blvd. SE
(47.02971, -122.89140) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
33.3772 		Other (At-Grade)
Single-Lane 		2005 Opened July 2005. Southbound right turn bypass lane. ICD estimated from Google Maps linework.
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
36.1932 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2012). West leg religned to southwest 2016-2017. ICD estimated from Google Maps linework. 21442
Kelso, WA
Cowlitz Co.
United States 		SR 432 / Old Hwy 99 / I-5 NB Ramps / Kelso Dr.
(46.10491, -122.87586) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Freeway Ramps (Grade-Separated)
Single-Lane 		2015 Open August 2015. Elliptical shape. ICD = approximately 110 ft x 100 ft.
Olympia, WA
Thurston Co.
United States 		Yelm Hwy SE / Brassfield Rd. SE
(47.00367, -122.87310) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
30.1355 		Other (At-Grade)
Multilane (2 Lane) 		2011 May 2011. ICD estimated from Google Maps linework.
Nice, CA
Lake Co.
United States 		SR 20 / Pyle Rd.
(39.13028, -122.87111) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
40.7641 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
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
36.3981 		Other (At-Grade)
Single-Lane 		2018 At-grade railroad crossing through central island. ICD estimated from Google Maps linework.
Sherwood, OR
Washington Co.
United States 		SW Elwert Rd. / SW Kruger Rd. / Cedar Ln.
(45.35477, -122.86786) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane) 		2020 Intersection of Kruger/Elwert was moved north a few hundred feet. That intersection was previously a two-way stop.
Olympia, WA
Thurston Co.
United States 		Yelm Hwy SE / Boulevard Rd. SE
(47.00397, -122.86540) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		3 Approaches
1 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane) 		2011 May 2011. Right-turn-only lane on north leg. Located about 1000 feet from Centennial Elementary School and serves as a walking and school bus route.
Olympia, WA
Thurston Co.
United States 		Boulevard Rd. SE / Log Cabin Rd. SE
(47.01433, -122.86520) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.0870 		Other (At-Grade)
Multilane (2 Lane) 		2009 Opened November 2009. Left-turn only lanes on north and south legs with spiralling. ICD estimated from Google Maps linework.
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
38.2699 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
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
97.6905 		Other (At-Grade)
Single-Lane 		2014 Right-turn-only lane on west leg. Elliptical shape. Open October 2014. ICD estimated from Google Maps linework.
Sherwood, OR
Washington Co.
United States 		Meinecke Pkwy. / Cedar Brook Way
(45.36180, -122.85870) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.0842 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
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
39.3785 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Sherwood, OR
Washington Co.
United States 		SW Meinecke Pkwy / SW Dewey Dr.
(45.35897, -122.85650) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.8900 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
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.
(42.32109, -122.84990) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.6735 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
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.
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.
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)
Mini-roundabout 		2015 Bicycle trail to bicycle trail only roundabout.
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) 		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) 		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 		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) 		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) 		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 		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.
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) 		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.
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 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) 		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
Unknown 		4 Approaches
0 Driveways
13.0104 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
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.
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) 		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) 		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) 		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) 		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) 		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) 		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.