Roundabouts Database

15316 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 		SE 32nd Ave. / SE Lincoln St.
(45.50825, -122.63270) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
12.5549 		Other (At-Grade)
Single-Lane 		1990 Completed 4/25/1990. ICD estimated from Google Maps linework.
Yelm, WA
Thurston Co.
United States 		SR 510 / Mud Run Rd. SE
(46.96465, -122.63230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.8630 		Other (At-Grade)
Single-Lane 		2010 October 2010. ICD estimated from Google Maps linework.
Anacortes, WA
Skagit Co.
United States 		32nd St. / D Ave.
(48.49654, -122.63159) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
18.9946 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 34th Ave. / SE Gladstone St.
(45.49335, -122.62978) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
61.9539 		Other (At-Grade)
Single-Lane 		1996 Completed 10/17/1996. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Holman St. / NE 34th Ave.
(45.56826, -122.62965) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
159.6952 		Other (At-Grade)
Single-Lane 		1988 Completed 10/28/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE US Grant Pl. / NE 35th Ave.
(45.53779, -122.62841) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
14.2214 		Other (At-Grade)
Single-Lane 		1989 Completed 10/11/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 34th Ave. / SE Bybee Blvd.
(45.47319, -122.62826) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
81.2389 		Other (At-Grade)
Single-Lane 		1992 Completed 9/30/1992. ICD estimated from Google Maps linework.
Port Orchard, WA
Kitsap Co.
United States 		Mile Hill Dr. (Hwy 166) / Bethel Ave.
(47.53467, -122.62730) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.7045 		Other (At-Grade)
Single-Lane 		1998 Previously a Y Intersection. Opened June 1998. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Imperial Ave. / NE Multnomah St.
(45.53154, -122.62719) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
74.4616 		Other (At-Grade)
Single-Lane 		1987 Completed 10/22/1987. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 36th Ave. / SE Clinton St.
(45.50337, -122.62630) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
40.1792 		Other (At-Grade)
Single-Lane 		1990 Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 36th Ave. / SE Bybee Blvd.
(45.47241, -122.62621) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
56.9518 		Other (At-Grade)
Single-Lane 		1992 Completed 10/6/1992. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE US Grant Pl. / NE 36th Ave.
(45.53777, -122.62601) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
40.1546 		Other (At-Grade)
Single-Lane 		1989 Completed 10/11/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 37th Ave. / SE Harrison St.
(45.50879, -122.62572) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
80.3506 		Other (At-Grade)
Single-Lane 		1990 Completed 9/14/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 37th Ave. / SE Lincoln St.
(45.50806, -122.62570) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
15.0659 		Other (At-Grade)
Single-Lane 		1990 Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Holman St. / NE 37th Ave.
(45.56826, -122.62557) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		1988 Completed 10/28/1988.
Portland, OR
Multnomah Co.
United States 		NE 37th Ave. / Morris St. / Wisteria St.
(45.54467, -122.62500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.7290 		Other (At-Grade)
Single-Lane 		1986 Completed 12/23/1986. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 37th Ave. / Brazee St.
(45.54057, -122.62500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
119.6213 		Other (At-Grade)
Single-Lane 		1987 Completed 10/16/1987. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 37th Ave. / Thompson St.
(45.53904, -122.62500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
94.5285 		Other (At-Grade)
Single-Lane 		1987 Completed 11/16/1987. ICD estimated from Google Maps linework.
Langley Township, BC
Greater Vancouver
Canada 		48 Ave. / 216 St. / Old Yale Rd.
(49.08942, -122.62474) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
25.0286 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2006). ICD estimated from Google Maps linework.
Langley Township, BC
Greater Vancouver
Canada 		50 Ave. / 216 St.
(49.09306, -122.62466) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.8088 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2008-2009). ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 37th Ave. / SE Bybee Blvd.
(45.47243, -122.62440) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
20.1006 		Other (At-Grade)
Single-Lane 		1992 Completed 10/6/1992. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Cesar E Chavez Blvd. (NE 39th Ave.) / NE Glisan St.
(45.52640, -122.62300) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
68.6113 		Other (At-Grade)
Multilane (2 Lane) 		Stop-controlled entries into circle. Bus stop within circulatory roadway. Historical rotary with stop control. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Holman St. / NE 41st St.
(45.56858, -122.62172) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
81.9374 		Other (At-Grade)
Single-Lane 		1988 Completed 10/28/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 41st Ave. / SE Harrison St.
(45.50878, -122.62020) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
80.3506 		Other (At-Grade)
Single-Lane 		1990 Completed 5/30/1990. ICD estimated from Google Maps linework.
Joint Base Lewis-McChord, WA
Pierce Co.
United States 		D St. / South Dr. / Integrity Gate
(47.11600, -122.61932) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.3273 		Other (At-Grade)
Single-Lane 		2014 Open July 2014. ICD estimated from Google Maps linework.
Petaluma, CA
Sonoma Co.
United States 		Petaluma Blvd. S / Caulfield Ln.
(38.22730, -122.61820) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.3434 		Other (At-Grade)
Single-Lane 		2011 Construction began spring 2011. Functional Class: Arterial ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 43rd Ave. / SE Lincoln St.
(45.50799, -122.61810) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
22.5989 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Bremerton, WA
Kitsap Co.
United States 		Wheaton Way / Harkins St. / Manette Bridge
(47.57079, -122.61700) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
23.3679 		Other (At-Grade)
Single-Lane 		2011 Previous intersection was four-way with south leg. ICD estimated from Google Maps linework.
Gig Harbor, WA
Pierce Co.
United States 		Borgen Blvd. / SR 16 SB Ramps
(47.35868, -122.61610) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.8342 		Freeway Ramps (Grade-Separated)
Single-Lane 		2004 Opened March 2004. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 45th Ave. / SE Clinton St.
(45.50336, -122.61610) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
87.0549 		Other (At-Grade)
Single-Lane 		1990 Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 46th Ave. / SE Lincoln St.
(45.50802, -122.61510) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
35.1539 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 47th Ave. / NE Thompson St.
(45.53903, -122.61496) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
18.4038 		Other (At-Grade)
Single-Lane 		1990 Completed 9/25/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 47th Ave. / NE Brazee St.
(45.54056, -122.61496) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
34.2970 		Other (At-Grade)
Single-Lane 		1990 Completed 9/25/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 47th Ave. / SE Clinton St.
(45.50336, -122.61400) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
32.6456 		Other (At-Grade)
Single-Lane 		1990 Completed 4/25/1990. ICD estimated from Google Maps linework.
Anacortes, WA
Skagit Co.
United States 		Commercial Ave. / SR20 Spur
(48.49332, -122.61280) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
34.8256 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Poulsbo, WA
Kitsap Co.
United States 		NE Lincoln Rd / Noll Rd. NE / Gala Way NE
(47.75092, -122.61274) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2012 Open September 2012. Replaced two offset T-intersections.
Gig Harbor, WA
Pierce Co.
United States 		Borgen Blvd. / SR 16 NB Ramps / Burnham Dr.
(47.35843, -122.61260) 		Roundabout
Existing 		All-Way Yield
None 		6 Approaches
0 Driveways
47.7339 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane) 		2001 Oval shaped central island. 6 legged configuration includes a on-ramp (outbound)leg. Central island is used as a roadway storm detention pond. Completed Summer/Fall 2001. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Petaluma, CA
Sonoma Co.
United States 		McDowell Blvd. / Baywood Dr.
(38.24036, -122.61010) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.4513 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 51st Ave. / SE Lincoln St.
(45.50803, -122.61000) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
15.0659 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Anacortes, WA
Skagit Co.
United States 		R Ave. / 22nd St.
(48.50423, -122.60992) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.6011 		Other (At-Grade)
Single-Lane 		2013 Open December 2013. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Clackamas St. / NE 53rd Ave.
(45.53300, -122.60880) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
30.1185 		Other (At-Grade)
Single-Lane 		1988 Completed 11/3/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 53rd Ave. / NE Hassalo St.
(45.53048, -122.60880) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
35.1398 		Other (At-Grade)
Single-Lane 		1988 Completed 11/3/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 55th Ave. (N) / SE Lincoln St.
(45.50806, -122.60650) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
99.6025 		Other (At-Grade)
Single-Lane 		1990 Completed 5/14/1990. ICD estimated from Google Maps linework.
Gig Harbor, WA
Pierce Co.
United States 		Borgen Blvd. / 51st
(47.35959, -122.60640) 		Roundabout
Existing 		All-Way Yield
Active Pedestrian Warning (flashing yellow) 		4 Approaches
0 Driveways
35.5974 		Other (At-Grade)
Single-Lane 		2002 In-pavement flashers in use on all crosswalks. Striped-out apron for future conversion to multilane. Opened September 2002. Functional Class: Arterial ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 55th Ave. (S) / SE Lincoln St.
(45.50804, -122.60610) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
29.2949 		Other (At-Grade)
Single-Lane 		1990 Completed 5/14/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 56th Ave. / SE Woodward St.
(45.50140, -122.60500) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
43.5289 		Other (At-Grade)
Single-Lane 		1988 Completed 10/27/1998. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 58th Ave. (S) / SE Lincoln St.
(45.50805, -122.60380) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
104.6245 		Other (At-Grade)
Single-Lane 		1990 Completed 5/8/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 58th Ave. / SE Woodward St.
(45.50140, -122.60310) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		1988 Completed 10/27/1998.
Langley, BC
Greater Vancouver
Canada 		Glover Rd. / Labonte Rd. / 76a Ave.
(49.14268, -122.60283) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.5025 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Gig Harbor, WA
Pierce Co.
United States 		Borgen Blvd. / Harbor Hill Dr.
(47.35993, -122.60160) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.8333 		Other (At-Grade)
Single-Lane 		2007 Opened March 2007. ICD estimated from Google Maps linework.
Gig Harbor, WA
Thurston Co.
United States 		Harbor Hill Dr. / Costco Entrance
(47.35889, -122.60100) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
101.1304 		Other (At-Grade)
Single-Lane 		2008 January 2008. ICD estimated from Google Maps linework.
Gig Harbor, WA
Pierce Co.
United States 		Borgen Blvd. / Olympus Way
(47.35991, -122.59782) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
33.1701 		Other (At-Grade)
Multilane (2 Lane) 		2013 Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Ferndale, WA
Whatcom Co.
United States 		Vista Dr. / Malloy Ave. / Ferndale Terr.
(48.85251, -122.59620) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.3640 		Other (At-Grade)
Single-Lane 		2007 Opened September 2007. ICD estimated from Google Maps linework.
Petaluma, CA
Sonoma Co.
United States 		Casa Grande Rd. / Ely Blvd.
(38.24348, -122.59580) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.8924 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Gig Harbor, WA
Pierce Co.
United States 		Borgen Blvd. / Peacock Hill Ave. NW
(47.35992, -122.58930) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.6979 		Other (At-Grade)
Single-Lane 		2006 Opened January 2006. ICD estimated from Google Maps linework.
Ferndale, WA
Whatcom Co.
United States 		I-5 SB Ramps / 2nd St. / Portal Way
(48.85686, -122.58840) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.8616 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Ferndale, WA
Whatcom Co.
United States 		Portal Way / I-5 NB Ramps
(48.85836, -122.58613) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.3591 		Freeway Ramps (Grade-Separated)
Mini-roundabout 		2019 Year Completed estimated (2018-2019). https://myferndalenews.com/mayor-second-roundabout-portal-way-5-scheduled-summer_56179/ ICD estimated from Google Maps linework.
Oregon City, OR
Clackamas Co.
United States 		Washington St. / Clackamas River Dr.
(45.37355, -122.58530) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1107 		Other (At-Grade)
Single-Lane 		2012 Right-turn bypass lane on eastbound approach. Constructed as part of OR 213 jughandle project. ICD estimated from Google Maps linework.
Gig Harbor, WA
Pierce Co.
United States 		Point Fosdick Dr. NW / 34th Ave. NW / Stone Dr. NW
(47.27442, -122.58412) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.7928 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Joint Base Lewis-McChord, WA
Pierce Co.
United States 		Colorado Ave. / Garcia Blvd.
(47.09688, -122.58387) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.4657 		Other (At-Grade)
Single-Lane 		2015 Open January 2015. ICD estimated from Google Maps linework.
Anacortes, WA
Skagit Co.
United States 		SR 20 / Miller Rd. / Gibralter Rd.
(48.45438, -122.58269) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
42.7733 		Other (At-Grade)
Multilane (2 Lane) 		2018 ICD estimated from Google Maps linework.
Anacortes, WA
Skagit Co.
United States 		SR 20 / SR 20 Spur
(48.46352, -122.58156) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
53.8530 		Other (At-Grade)
Multilane (2 Lane) 		2018 ICD estimated from Google Maps linework.
Langley, BC
Greater Vancouver
Canada 		232 St. / 72 Ave. / Trans Canada 1 WB On-ramp
(49.13829, -122.58135) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
37.5059 		Freeway Ramps (Grade-Separated)
Single-Lane 		2013 Roundabout was part of a project to build an overpass at a rail crossing. That project was completed in 2014, but the roundabout was in operation in 2013: https://www.portvancouver.com/wp-content/uploads/2015/03/232nd-st-construction-notice-december-2013.pdf ICD estimated from Google Maps linework.
Langley Township, BC
Greater Vancouver
Canada 		232 St. / 56 Ave.
(49.10396, -122.58115) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.8776 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Maple Ridge, BC
Greater Vancouver
Canada 		232 St. / 132 Ave.
(49.24329, -122.57999) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.0000 		Other (At-Grade)
Single-Lane 		2018
Maple Ridge, BC
Greater Vancouver
Canada 		232 St. / Fern Crescent (132 Ave.)
(49.24206, -122.57960) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
32.0000 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2008-2009).
Gig Harbor, WA
Pierce Co.
United States 		Point Fosdick Dr. NW / NW 36th St.
(47.29077, -122.57790) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.3530 		Other (At-Grade)
Single-Lane 		2005 Opened September 2005. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Fremont Dr. / NE Duddleson St.
(45.54667, -122.57574) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
33.4569 		Other (At-Grade)
Single-Lane 		1986 Completed 12/2/1986. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Fremont Dr. / NE Dyer St.
(45.54603, -122.57509) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
29.2751 		Other (At-Grade)
Single-Lane 		1986 Completed 12/2/1986. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Fremont Dr. / NE 86th Ave.
(45.54567, -122.57478) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
25.0931 		Other (At-Grade)
Single-Lane 		1986 Completed 12/2/1986. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Grandview Dr. / 56th St. W
(47.20565, -122.56890) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.3417 		Other (At-Grade)
Single-Lane 		2000 Opened September 2000. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Grandview Dr. / 62nd Ct. W / Park Entrance
(47.20033, -122.56890) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.7785 		Other (At-Grade)
Single-Lane 		2000 Opened September 2000. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Grandview Dr. / Bristonwood Dr. / 48th St. W
(47.21334, -122.56880) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9607 		Other (At-Grade)
Single-Lane 		2000 Opened September 2000. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Grandview Dr. / Cirque Dr.
(47.21093, -122.56880) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.1506 		Other (At-Grade)
Single-Lane 		2000 Opened September 2000. ICD estimated from Google Maps linework.
Hidden Valley Lake, CA
Lake Co.
United States 		SR 29 / Hartmann Rd.
(38.79274, -122.56556) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.6823 		Other (At-Grade)
Single-Lane 		2019 ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		64th St W / Park Entrance
(47.19891, -122.56530) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
28.4022 		Other (At-Grade)
Single-Lane 		2004 Completed before July 2004. ICD estimated from Google Maps linework.
Clackamas, OR
Clackamas Co.
United States 		Monterey Ave. / Stevens Rd.
(45.43780, -122.56390) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.8738 		Other (At-Grade)
Single-Lane 		2006 Fourth leg serves New Hope Community Church parking lot. ICD estimated from Google Maps linework.
Joint Base Lewis-McChord, WA
Pierce Co.
United States 		Portland Ave. SW / Boundary St. SW / Camp Murray Gate
(47.12106, -122.56300) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.6312 		Other (At-Grade)
Single-Lane 		2012 Open October 2012. ICD estimated from Google Maps linework.
Vancouver, WA
Clark Co.
United States 		NE 18th St. / I-205 SB On Ramp
(45.63554, -122.56193) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
33.4039 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane) 		2016 ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Mt. Hood Ave. / Frontage Rd. / PDX Airport Economy Blue Lot / PDX Airport Economy Red Lot
(45.57770, -122.55950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.7822 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Grandview Dr. / Olympic Blvd.
(47.22188, -122.55790) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1454 		Other (At-Grade)
Single-Lane 		1997 Curtis High School and Curtis Junior High School on NE corner of roundabout. Opened August 1997. Functional Class: Arterial ICD estimated from Google Maps linework.
Clackamas, OR
Clackamas Co.
United States 		Monterey Ave. / Causey Ave. / William Otty Rd.
(45.44020, -122.55510) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.7102 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Ferndale, WA
Whatcom Co.
United States 		Slater Rd. / I-5 SB Ramps
(48.81707, -122.55050) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.7384 		Freeway Ramps (Grade-Separated)
Mini-roundabout 		2014 Includes a yield-controlled right-turn bypass lane. Open November 2014. ICD estimated from Google Maps linework.
Ferndale, WA
Whatcom Co.
United States 		Slater Rd. / I-5 NB Ramps
(48.81737, -122.54604) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.5247 		Freeway Ramps (Grade-Separated)
Mini-roundabout 		2014 Includes yield-controlled right-turn bypass lanes. Open November 2014. ICD estimated from Google Maps linework.
Ferndale, WA
Whatcom Co.
United States 		Slater Rd. / Pacific Hwy.
(48.81718, -122.54435) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.8741 		Other (At-Grade)
Mini-roundabout 		2014 Open November 2014. ICD estimated from Google Maps linework.
Lakewood, WA
Pierce Co.
United States 		Murray Rd. SW / I-5 NB Offramp
(47.12576, -122.54266) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 https://wsdotblog.blogspot.com/2020/10/new-thorne-lane-bridge-open.html
Joint Base Lewis-McChord, WA
Pierce Co.
United States 		Murray Rd. SW / 150th St. SW
(47.12144, -122.54239) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
65.8268 		Other (At-Grade)
Multilane (2 Lane) 		2012 Open September 2012. ICD estimated from Google Maps linework.
Maple Ridge, BC
Greater Vancouver
Canada 		Jackson Rd. / 102 Ave.
(49.18779, -122.54119) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.5401 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		40th St. W / Drexler Dr. W
(47.22084, -122.53430) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
31.6351 		Other (At-Grade)
Single-Lane 		2006 Completed June 2006. ICD estimated from Google Maps linework.
San Rafael, CA
Marin Co.
United States 		Civic Center Dr. / Peter Behr Dr.
(38.00051, -122.53422) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.8221 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Vancouver, WA
Clark Co.
United States 		NE 39th St. / NE 137th Ave. / NE 138th Ave.
(45.65025, -122.53209) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.4044 		Other (At-Grade)
Multilane (2 Lane) 		2013 ICD estimated from Google Maps linework.
Vancouver, WA
Clark Co.
United States 		NE 44th St. / NE 137th Ave.
(45.65377, -122.53207) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.8796 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Vancouver, WA
Clark Co.
United States 		NE 137th Ave. / NE 49th St.
(45.65733, -122.53190) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
40.0691 		Other (At-Grade)
Multilane (2 Lane) 		2008 Opened January 2008. ICD estimated from Google Maps linework.
Bellingham, WA
Whatcom Co.
United States 		Mitchell Way / Bellingham Airport Access Rd.
(48.79757, -122.53080) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.4692 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Vancouver, WA
Clark Co.
United States 		NE 32nd Cir. / NE 138th Ave.
(45.64517, -122.53057) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.0778 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Bainbridge Island, WA
Kitsap Co.
United States 		High School Rd. / Madison Ave.
(47.63579, -122.52100) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.9484 		Other (At-Grade)
Single-Lane 		2000 Greatly reduced congestion. Initial public opposition has turned to full support. Project located next to 3 schools. Separated sidewalks, timed yellow flashing lights during school crossing. Crossing guards. Near library and shopping center. Opened October 2000. ICD estimated from Google Maps linework.
Swinomish Tribal Community, WA
Skagit Co.
United States 		SR 20 / Padilla Heights Rd.
(48.45519, -122.51940) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.2280 		Other (At-Grade)
Single-Lane 		2002 The ground breaking ceremony was held October 2002. The client is the Swinomish Tribe. Opened October 2002. Functional Class: Local ICD estimated from Google Maps linework.
Swinomish Tribal Community, WA
Skagit Co.
United States 		Knudsen Ln. / Casino Dr.
(48.45635, -122.51910) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.2668 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Cirque Dr. W / Alameda Ave. W / 56th St. W
(47.20639, -122.51600) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
54.3624 		Other (At-Grade)
Single-Lane 		2002 Completed December 2002. ICD estimated from Google Maps linework.
Lakewood, WA
Pierce Co.
United States 		Main St. SW / 5th Ave. SW
(47.16198, -122.51570) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.4220 		Other (At-Grade)
Single-Lane 		2002 Completed June 2002. ICD estimated from Google Maps linework.