Roundabouts Database

28859 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
Portland, OR
Multnomah Co.
United States 		NE 7th Ave. / NE Tillamook St. (W)
(45.53790, -122.65861) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
83.6552 		Other (At-Grade)
Single-Lane 		1992 Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 7th Ave. / NE Sacramento St.
(45.53955, -122.65862) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
121.2965 		Other (At-Grade)
Single-Lane 		1992 Completed 1/9/1992. ICD estimated from Google Maps linework.
Langley City, BC
Greater Vancouver
Canada 		203 St. / 53 Ave.
(49.09847, -122.65987) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.8060 		Other (At-Grade)
Single-Lane 		2016 https://www.langleyadvancetimes.com/news/langley-citys-first-roundabout-opens/ ICD estimated from Google Maps linework.
Langley, BC
Greater Vancouver
Canada 		202 St. / Trans-Canada Hwy HOV Ramps
(49.16182, -122.66008) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.9920 		Freeway Ramps (Grade-Separated)
Single-Lane 		2011 Roundabout in between and below freeway lanes, serving HOV lanes via left-hand ramps on the freeway. Fourth leg (EB onramp and WB offramp) closed off. Year Completed estimated (2008-2013). ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Yacht Harbor Drive
(45.60542, -122.66034) 		Other
Existing 		All-Way Yield
Unknown 		1 Approaches
2 Driveways
25.9020 		Other (At-Grade)
Single-Lane 		2006 N end of Yacht Harbor Drive, yield entry at south, driveway at west and driveway at east. ICD estimated from Google Maps linework.
Vancouver, WA
Clark Co.
United States 		NE 10th Ave. / NE 136th St. / Clark Ave.
(45.71980, -122.66037) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2011 Clark Ave. is one way exit. May 2011.
Dupont, WA
Thurston Co.
United States 		McNeil St. / Gaul Ave.
(47.09734, -122.66080) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.0174 		Other (At-Grade)
Single-Lane 		2001 Completed May 2001. ICD estimated from Google Maps linework.
Vancouver, WA
Clark Co.
United States 		Fort Vancouver Way. / Evergreen Blvd.
(45.62863, -122.66310) 		Other
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
40.0897 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Bellingham, WA
Whatcom Co.
United States 		Haxton Way / Smokehouse Rd.
(48.74689, -122.66383) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.0136 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Petaluma, CA
Sonoma Co.
United States 		Windsor Dr. / West Haven Way
(38.22460, -122.66430) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.0241 		Other (At-Grade)
Single-Lane 		2005 Functional Class: Collector ICD estimated from Google Maps linework.
Langley Township, BC
Greater Vancouver
Canada 		100A Ave. / 201 St.
(49.18459, -122.66433) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.2257 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2008-2009). ICD estimated from Google Maps linework.
Anacortes, WA
Skagit Co.
United States 		SR 20 (Oakes Ave.) / Glasgow Way / Ship Harbor Blvd.
(48.50251, -122.66661) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2020 https://www.anacorteswa.gov/1172/Ship-Harbor-Boulevard-Roundabout---Compl
Maple Ridge, BC
Greater Vancouver
Canada 		113B Ave. / Golden Ears Way NB Ramps
(49.20927, -122.66722) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
31.9904 		Freeway Ramps (Grade-Separated)
Single-Lane 		2009 Year Completed estimated (2008-2009). ICD estimated from Google Maps linework.
Pitt Meadows, BC
Greater Vancouver
Canada 		Airport Way / 113B Ave. / Golden Ears Way SB Ramps
(49.20842, -122.67058) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.9909 		Freeway Ramps (Grade-Separated)
Single-Lane 		2009 Year Completed estimated (2008-2009). ICD estimated from Google Maps linework.
Dupont, WA
Thurston Co.
United States 		Hoffman Hill Blvd. / Burnside Pl.
(47.09605, -122.67150) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.8311 		Other (At-Grade)
Single-Lane 		2004 Completed January 2004. ICD estimated from Google Maps linework.
La Center, WA
Clark Co.
United States 		NW Pacific Hwy. / W 4th St.
(45.86195, -122.67258) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.6053 		Other (At-Grade)
Single-Lane 		2018 https://www.clarkcountytoday.com/local_news/the-4th-street-and-pacific-highway-roundabout-in-la-center-completed/ ICD estimated from Google Maps linework.
Dupont, WA
Pierce Co.
United States 		Ridge View Dr. / McNeil St.
(47.10116, -122.67381) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.0156 		Other (At-Grade)
Single-Lane 		2007 Originally open pavement; converted to roundabout. Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Oak Harbor, WA
Island Co.
United States 		Ault Field Rd. / Heller Rd. / Clover Valley Rd.
(48.32575, -122.67444) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
29.3818 		Other (At-Grade)
Single-Lane 		2018 Previous control type: One-way Yield. ICD estimated from Google Maps linework.
Vancouver, WA
Clark Co.
United States 		NW 5th Pl. / NW 151st St.
(45.72996, -122.67572) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Vancouver, WA
Clark Co.
United States 		W. 6th St. / Esther St.
(45.62572, -122.67610) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.2336 		Other (At-Grade)
Single-Lane 		2005 Opened June 2005. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SW Terwilliger Blvd. / SW Palater Rd.
(45.45290, -122.67660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2002 Roundabout replaces existing Y-intersection, adds fourth leg to serve college law school. Includes driveway into roundabout serving two homes. Roundabout is on tilted plane with central island plane steeper than inscribed circle plane to manage cross slopes. Northeast leg (Palater Road) has 8-9 percent grade down into roundabout, then flattens using a short vertical curve to a zero percent crown at the top of the circulatory roadway. Maximum grade through the roundabout is 4 percent; maximum cross slope is -2 percent. First roundabout under City of Portland jurisdiction.
Pitt Meadows, BC
Greater Vancouver
Canada 		Airport Way / Bonson Rd.
(49.20840, -122.67837) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.8699 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Ridgefield, WA
Clark Co.
United States 		SR 501 / S 65th Ave.
(45.81600, -122.68230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.6147 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Surrey, BC
Greater Vancouver
Canada 		74 Ave. / 194A St.
(49.13733, -122.68371) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.0000 		Other (At-Grade)
Single-Lane 		2019
Surrey, BC
Greater Vancouver
Canada 		194A St. / 73 Ave.
(49.13550, -122.68375) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.0000 		Other (At-Grade)
Single-Lane 		2014
Surrey, BC
Greater Vancouver
Canada 		68 Ave. / 194 St.
(49.12637, -122.68530) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.0099 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2011 - Streetview). ICD estimated from Google Maps linework.
Nisqually, WA
Thurston Co.
United States 		SR 510 / Yelm Hwy SE
(47.00928, -122.68839) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
62.7079 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 Right-turn bypass lane on southwest leg. Open December 2013. ICD estimated from Google Maps linework.
Pitt Meadows, BC
Greater Vancouver
Canada 		Airport Way / Harris Rd.
(49.20811, -122.68974) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.2108 		Other (At-Grade)
Single-Lane 		2009 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.
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.
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.
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.
Port Orchard, WA
Kitsap Co.
United States 		SW Old Clifton Rd. / Campus Pkwy. / McCormick Village Dr.
(47.50505, -122.69904) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2021-2022).
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.
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.
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.
(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.
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.
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.
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.
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.
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 		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.
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
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.
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 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.
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
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.
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.
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 		N Clarendon Ave
(45.58974, -122.72415) 		Traffic Calming Circle
Existing 		Unknown
None 		1 Approaches
1 Driveways
 Other (At-Grade)
Single-Lane
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.
Blaine, WA
Whatcom Co.
United States 		SR 548 (Grandview Rd.) / Blaine Rd. / (parking)
(48.89206, -122.72655) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2010 September 2010. Merging right-turn bypass lane on south leg. Right-turn-oinly lane on north leg.
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
Woodland, WA
Cowlitz Co.
United States 		Insel Rd. / Willow St.
(45.92237, -122.73400) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2009 June 2009.
Port Coquitlam, BC
Greater Vancouver
Canada 		Fremont St. / Fremont Dr. / Hwy 7B (Loogheed Hwy.) Exit Ramp
(49.24939, -122.73402) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 Raindrop shaped. Year Completed estimated (2008-2011).
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.
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/
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.
Surrey, BC
Greater Vancouver
Canada 		3A Ave. / 172 St.
(49.00848, -122.74635) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.0000 		Other (At-Grade)
Single-Lane 		2012
Coquitlam, BC
Greater Vancouver
Canada 		Soball St. / Gislason Ave.
(49.28930, -122.75026) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.0000 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2009-2011).
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.
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.
Gorst, WA
Kitsap Co.
United States 		SR 3 / Airport Way SW
(47.50426, -122.75160) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2021 Elliptical shaped. ICD = 135 ft x 125 ft. Year Completed estimated (2020-2021).
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 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.
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
Woodland, WA
Cowlitz Co.
United States 		Dike Access Rd. / I-5 NB Ramps
(45.92780, -122.75522) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 Raindrop shaped. 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 (At-Grade)
Single-Lane 		2015 Open October 2015.
Woodland, WA
Cowlitz Co.
United States 		Dike Access Rd. / I-5 SB Ramps
(45.92699, -122.75780) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 December 2010.
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. / Schurman Way / (parking)
(45.92664, -122.75957) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2012
Lacey, WA
Thurston Co.
United States 		(unknown) / (unknown)
(47.04571, -122.76216) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2007 Serves Lacey Regional Athletic Center. July 2007.
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.
Surrey, BC
Greater Vancouver
Canada 		25 Ave. / 166 St.
(49.04745, -122.76265) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2022
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.
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.
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 		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.
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 		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.
Port Townsend, WA
Jefferson Co.
United States 		SR 20 / Kearney St.
(48.11000, -122.77066) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2023
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.
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.
Beaverton, OR
Washington Co.
United States 		SW 92nd Ave. / SW Allen Blvd.
(45.47149, -122.77200) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 RRFB at shared-use crossing on south leg serving Fanno Creek Trail. https://www.beavertonoregon.gov/718/CIP-3112---Allen-Blvd92nd-Ave-Shared-Use?contentId=2643d655-60c2-481d-bf75-2f33d242b523
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
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.
Lacey, WA
Thurston Co.
United States 		Mullen Rd. SE / Carpenter Rd. SE
(47.00464, -122.77990) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2021-2022).
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.
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.
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
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).
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.
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.
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 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.
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).
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.