Roundabouts Database

29483 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
Glens Falls, NY
Warren Co.
United States 		Rte 9 / Rte 9L / Hudson St.
(43.30951, -73.64399) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2007 Urban, downtown environment. Symbolic black-on-orange 540-degree turn sign for trucks to make right turn around central island from south leg to southeast leg.
Niagara Falls, NY
Niagara Co.
United States 		Rainbow Blvd. / 1st St.
(43.08466, -79.06161) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.2741 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
East Aurora, NY
Erie Co.
United States 		Rte 20A / Rte 78
(42.76773, -78.62917) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2009 Converted from rotary.
Cheektowaga, NY
Erie Co.
United States 		Harlem Rd. / Kensington Rd. / Lexington Ter.
(42.95023, -78.78391) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.7223 		Other (At-Grade)
Single-Lane 		2008 Closely spaced roundabouts 100 feet apart. ICD estimated from Google Maps linework.
Cheektowaga, NY
Erie Co.
United States 		Harlem Rd. / Kensington Rd. / Wehrle Dr.
(42.94968, -78.78409) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.0870 		Other (At-Grade)
Single-Lane 		2008 Closely spaced roundabouts 100 feet apart. ICD estimated from Google Maps linework.
Irondequoit, NY
Monroe Co.
United States 		Rte 590 / Titus Ave.
(43.21195, -77.54978) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.3001 		Other (At-Grade)
Single-Lane 		2010 Series of 4 roundabouts. ICD estimated from Google Maps linework.
Irondequoit, NY
Monroe Co.
United States 		Rte 590 / Seneca Rd.
(43.21642, -77.54655) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.2973 		Other (At-Grade)
Single-Lane 		2010 Series of 4 roundabouts. ICD estimated from Google Maps linework.
Irondequoit, NY
Monroe Co.
United States 		Rte 590 / Point Pleasant Rd.
(43.22389, -77.54493) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.2926 		Other (At-Grade)
Single-Lane 		2010 Series of 4 roundabouts. ICD estimated from Google Maps linework.
Irondequoit, NY
Monroe Co.
United States 		Rte 590 / Durand Blvd.
(43.22728, -77.54431) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5500 		Other (At-Grade)
Single-Lane 		2010 Series of 4 roundabouts. ICD estimated from Google Maps linework.
Rochester, NY
Monroe Co.
United States 		Plymouth Ave. / Ford St.
(43.14373, -77.61810) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2005 Raised crosswalks on southwest and southeast legs (added 2017-2021). Year Completed estimated (2005-2006).
Bainbridge, NY
Chenango Co.
United States 		Rte 206 / CR 39
(42.29073, -75.47471) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5727 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Latham, NY
Albany Co.
United States 		Old Wolf Rd. / Old Niskayuna Rd.
(42.73882, -73.79072) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.8241 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
North Providence, RI
Providence Co.
United States 		US 44 / Centerdale Bypass
(41.85703, -71.48295) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.2447 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Lincoln, RI
Providence Co.
United States 		Twin River Rd. / (unknown)
(41.89224, -71.45074) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.1202 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 ICD estimated from Google Maps linework.
Auburn, WA
King Co.
United States 		124 Ave. SE / SE 304th St.
(47.32978, -122.17640) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.1891 		Other (At-Grade)
Single-Lane 		2008 July 2008. 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.
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.
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.
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.
Burlington, WA
Skagit Co.
United States 		N Burlington Blvd. / (parking)
(48.48060, -122.33544) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2008 October 2008. Entrance to high school.
Burlington, WA
Skagit Co.
United States 		SR 11 (Chuckanut Dr.) / I-5 SB Ramps / Josh Wilson Rd.
(48.48585, -122.33867) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 Right-turn-only lanes on east and west legs. Replaced two T-intersections. September 2010.
Burlington, WA
Skagit Co.
United States 		SR 11 (Chuckanut Dr.) / I-5 NB Ramps / Old Hwy 99
(48.48359, -122.33559) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 October 2010. Right-turn-only lanes on south and east legs. Merging right-turn-bypass lane on west leg.
Covington, WA
King Co.
United States 		168th Pl. SE / Fred Meyer Entrance
(47.35698, -122.11680) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
105.1794 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 November 2008. Entrance into Fred Meyer shopping center. ICD estimated from Google Maps linework.
Covington, WA
King Co.
United States 		168th Pl. SE / Costco Entrance
(47.35463, -122.11860) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6463 		Other (At-Grade)
Single-Lane 		2008 November 2008. Entrance into Costco shopping center. ICD estimated from Google Maps linework.
Covington, WA
King Co.
United States 		SE Wax Rd. / 180th Ave. SE / SE 267th Pl.
(47.36216, -122.10200) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
53.3935 		Other (At-Grade)
Single-Lane 		2008 September 2008. ICD estimated from Google Maps linework.
Deer Park, WA
Spokane Co.
United States 		S Main St. / W H St. / E H St.
(47.94695, -117.47693) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2010 October 2010. Broke ground July 26, 2010.
Deer Park, WA
Spokane Co.
United States 		E Crawford Ave. / Weber Rd.
(47.95444, -117.45384) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2009 September 2009.
Federal Way, WA
King Co.
United States 		S 333rd St. / Community Center Entrance
(47.30548, -122.32380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.1550 		Other (At-Grade)
Single-Lane 		2006 January 2006. ICD estimated from Google Maps linework.
Gig Harbor, WA
Thurston Co.
United States 		Harbor Hill Dr. / (parking)
(47.35845, -122.60116) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2008 January 2008.
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.
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.
Lake Stevens, WA
Snohomish Co.
United States 		(unknown)
(48.01194, -122.04305) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2009 Entrance to Lake Stevens Community Park. January 2009.
Lynnwood, WA
Snohomish Co.
United States 		Ash Way / 18th Ave. SW
(47.85489, -122.25737) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2009 October 2009.
Maple Valley, WA
King Co.
United States 		Witte Rd. SE / SE 248th St.
(47.37966, -122.04813) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2011 January 2011.
Monroe, WA
Snohomish Co.
United States 		Country Crescent SE / County Crescent SE
(47.86547, -121.96140) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2002 July 2002.
Mount Vernon, WA
Skagit Co.
United States 		Best Rd. / McLean Rd.
(48.42070, -122.44380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.4976 		Other (At-Grade)
Single-Lane 		2009 April 2009. On high-speed rural roadways. ICD estimated from Google Maps linework.
North Bend, WA
King Co.
United States 		E North Bend Way / SE Cedar Falls Way / (parking)
(47.49096, -121.77876) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2008 August 2008.
Olympia, WA
Thurston Co.
United States 		Capitol Way N / Market St. NE / Corky Ave. NW / (parking)
(47.05005, -122.90244) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		1995 Painted splitter islands. June 1995.
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, unspecified) 		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 		Jefferson St SE / 14th Ave. SE
(47.03555, -122.89581) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2010 Double-left turn from north leg; double-right turn from south leg. October 2010.
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, unspecified) 		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 		Yelm Hwy SE / Brassfield Rd. SE
(47.00372, -122.87309) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2011 May 2011.
Olympia, WA
Thurston Co.
United States 		18th Ave. SE / Fones Rd. SE
(47.03250, -122.84697) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2010 Double-right turn on north leg. October 2010.
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.
Redmond, WA
King Co.
United States 		Eastridge Dr. NE / NE Cedar Park Crescent
(47.69141, -122.01690) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2012
Port Townsend, WA
Jefferson Co.
United States 		SR 20 (Sims Way) / Howard St. / Evans Vista
(48.10260, -122.80500) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2010 April 2010.
Port Townsend, WA
Jefferson Co.
United States 		SR 20 (Sims Way) / Thomas St.
(48.10333, -122.79891) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2010 July 2010.
Puyallup, WA
Pierce Co.
United States 		15th Ave. SE / 3rd St. SE
(47.17741, -122.29100) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2010 June 2010.
Redmond, WA
King Co.
United States 		152nd Ave. NE / NE 36th Pl. / NE 31st St.
(47.63828, -122.13550) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.3615 		Other (At-Grade)
Single-Lane 		2010 Near Microsoft campus. Moderate ped/bike volumes. ICD estimated from Google Maps linework.
Renton, WA
King Co.
United States 		N 10th St. / N 10th Pl.
(47.49781, -122.20468) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2008 June 2008.
Richland, WA
Benton Co.
United States 		Lee Blvd. / The Parkway
(46.27484, -119.27433) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9080 		Other (At-Grade)
Single-Lane 		2002 No splitter islands on north and south legs. Year Completed estimated (1996-2003).
Sedro-Woolley, WA
Skagit Co.
United States 		SR 9-SR 20 (Cascade Loop) / Patrick St. / Skagit Way
(48.51051, -122.24156) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2009 Elliptical shaped. ICD = 120 ft x 105 ft. August 2009. ICD estimated from Google Maps linework.
Selah, WA
Yakima Co.
United States 		Gore Rd. / Selah Loop Rd.
(46.67943, -120.53061) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2008 August 2008. Replaced triangle intersection.
Sequim, WA
Clallam Co.
United States 		W Washington St. / S 9th Ave.
(48.07909, -123.12400) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2007 May 2007.
Snoqualmie, WA
King Co.
United States 		North Bend Way / (Snoqualmie Casino entrance)
(47.51671, -121.84100) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2008 Through bypass lane on west leg. October 2008. ICD estimated from Google Maps linework.
Spokane, WA
Spokane Co.
United States 		W Pacific Ave. / S Cannon St.
(47.65555, -117.44160) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2006 No splitter islands on north and south legs. Pedestrian crossings within circulatory roadway. April 2006.
Spokane Valley, WA
Spokane Co.
United States 		E Montgomery Dr. / E Mansfield Ave.
(47.67753, -117.24790) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2009 April 2009.
Spokane Valley, WA
Spokane Co.
United States 		Flora Rd. / E Mission Ave. / E Indiana Pkwy. - E Mission Pkwy.
(47.67154, -117.17516) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2010 E Indiana Pkwy is west leg entrance; E Mission Pkwy is west leg exit. November 2010.
Tumwater, WA
Thurston Co.
United States 		Littlerock Rd. SW / Tumwater Blvd. SW
(46.98283, -122.93544) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2009 July 2009.
Tumwater, WA
Thurston Co.
United States 		Littlerock Rd. SW / Israel Rd. SW / 70th Ave. SW
(46.98554, -122.93236) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2009 October 2009.
Tumwater, WA
Thurston Co.
United States 		Littlerock Rd. SW / Odegard Rd. SW
(46.98985, -122.92650) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2010 June 2010.
Tumwater, WA
Thurston Co.
United States 		Littlerock Rd. SW / Kingswood Dr. SW
(46.99435, -122.92190) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2010 September 2010.
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.
Walla Walla, WA
Walla Walla Co.
United States 		Myra Rd. / W Pine St. / Heritage Rd.
(46.06841, -118.36972) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
56.3880 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2008 December 2008.
Walla Walla, WA
Walla Walla Co.
United States 		Myra Rd. / SR 12 EB Ramps
(46.06933, -118.36979) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 Raindrop shaped. July 2010. ICD estimated from Google Maps linework.
Walla Walla, WA
Walla Walla Co.
United States 		Myra Rd. / SR 12 WB Ramps
(46.07040, -118.36987) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2010 Raindrop shaped. July 2010.
Wenatchee, WA
Chelan Co.
United States 		Riverside Dr. / Island View
(47.43461, -120.31477) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.8120 		Other (At-Grade)
Single-Lane 		2009 Painted splitter islands. October 2009.
East Wenatchee, WA
Douglas Co.
United States 		Grant Rd. / Airport Way / Urban Industrial Dr.
(47.40592, -120.20780) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2010 Add-lane right-turn bypass lanes on north and west legs. July 2010.
Woodinville, WA
King Co.
United States 		SR 202 / NE 145th St. / 148th Ave. NE
(47.73271, -122.14220) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2009 October 2009.
Woodinville, WA
King Co.
United States 		SR 202 / Village Dr. / NE 144th St.
(47.73111, -122.14040) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.4048 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Constructed as single-lane roundabout in October 2009 and expanded to include second lane northbound in 2021.
Woodinville, WA
King Co.
United States 		SR 202 / (parking)
(47.73280, -122.14400) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2009 October 2009.
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.
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
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.
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.
Reedley, CA
Fresno Co.
United States 		Dinuba Ave. / Buttonwillow Ave.
(36.58965, -119.43090) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.3172 		Other (At-Grade)
Single-Lane 		2010 November 2010. ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States 		Westhills Dr. / Morningstar Dr. / St. Basil Cir.
(38.76151, -121.35340) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.5951 		Other (At-Grade)
Single-Lane 		2001 Crosswalks adjacent to circle. ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States 		Park Regency Dr. / Hiawatha Dr. / Sharifa Way / Bottlebrush Cir.
(38.76105, -121.34870) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.2518 		Other (At-Grade)
Single-Lane 		2001 Crosswalks adjacent to circle. ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States 		Park Regency Dr. / Castlebridge Dr. / Hillingdon St.
(38.75455, -121.34680) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.5983 		Other (At-Grade)
Single-Lane 		2001 Crosswalks adjacent to circle. ICD estimated from Google Maps linework.
Sausalito, CA
Marin Co.
United States 		Conzelman Rd. / McCullough Rd.
(37.83361, -122.49400) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.2415 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States 		Valley Ave. / (unknown)
(37.65670, -121.89670) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
28.3660 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States 		Valley Ave. / E Gate Way
(37.65487, -121.89530) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.3667 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States 		Valley Ave. / Oak Vista Way
(37.65349, -121.89390) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4216 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States 		Valley Ave. / Pleasanton Ave. / Laguna Creek Ln.
(37.65175, -121.89043) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2000
Pleasanton, CA
Alameda Co.
United States 		Pleasanton Ave. / (park access #1)
(37.65266, -121.88980) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2008
Pleasanton, CA
Alameda Co.
United States 		Pleasanton Ave. / (park access #2)
(37.65350, -121.88784) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2008 Painted splitter island on north leg.
Chico, CA
Butte Co.
United States 		Manzanita Ave. / Hooker Oak Ave.
(39.75974, -121.79950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.4617 		Other (At-Grade)
Single-Lane 		2009 Adjacent to park. ICD estimated from Google Maps linework.
Chico, CA
Butte Co.
United States 		Manzanita Ave. / Vallombrosa Ave.
(39.75850, -121.79620) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.6260 		Other (At-Grade)
Single-Lane 		2009 Adjacent to park. ICD estimated from Google Maps linework.
Chico, CA
Butte Co.
United States 		Manzanita Ave. / Wildwood Ave. / East Ave. / Eaton Rd.
(39.76229, -121.80540) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.3958 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Adjacent to fire station. ICD estimated from Google Maps linework.
Lindsay, CA
Tulare Co.
United States 		Hermosa St. / Elmwood Ave.
(36.20495, -119.09130) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2010
Escalon, CA
San Joaquin Co.
United States 		Riesling Way / California St.
(37.79671, -121.01110) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.8749 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Goleta, CA
Santa Barbara Co.
United States 		Lagoon Rd. / Mesa Rd.
(34.41491, -119.83930) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.4993 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 At the University of California Santa Barbara college campus. Right-turn bypass lane. Bus bays along circulatory roadway. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Hutchison Dr. / Campbell Rd.
(38.53686, -121.77170) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.4343 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 Near University of California Davis college campus. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Hutchison Dr. / Hutchison Pl. / Sage St.
(38.53933, -121.77160) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2010 Near University of California Davis college campus. Constructed initially as two-lane roundabout; converted to single-lane in 2020-2022.
Coronado, CA
San Diego Co.
United States 		Pomona Ave. / 7th St. / Adella Ave.
(32.68808, -117.17250) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2008 Installed initially as temporary construction with no landscaping in 2008. Made permanent in 2014.
Riverbank, CA
Stanislaus Co.
United States 		Crawford Rd. / Homewood Way
(37.71818, -120.94930) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.3480 		Other (At-Grade)
Single-Lane 		2003 Bike lanes in circulatory roadway in 2010 photo. ICD estimated from Google Maps linework.
Riverbank, CA
Stanislaus Co.
United States 		Chancellor Way / Gallery Dr.
(37.72000, -120.95440) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.5629 		Other (At-Grade)
Single-Lane 		2003 Residential area. ICD estimated from Google Maps linework.
Riverbank, CA
Stanislaus Co.
United States 		Chancellor Way / Novi Dr.
(37.72214, -120.95440) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.3963 		Other (At-Grade)
Single-Lane 		2003 Residential area near park. ICD estimated from Google Maps linework.
Riverbank, CA
Stanislaus Co.
United States 		Antique Rose Way / Novi Dr.
(37.72203, -120.95680) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
85.0230 		Other (At-Grade)
Single-Lane 		2008 Small diameter, no splitter islands, near park. ICD estimated from Google Maps linework.
Riverbank, CA
Stanislaus Co.
United States 		Antique Rose Way / Gallery Dr.
(37.71997, -120.95630) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.3519 		Other (At-Grade)
Single-Lane 		2008 Small diameter, no splitter islands, residential ICD estimated from Google Maps linework.