Roundabouts Database

28782 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.


Search Advanced Search Export as KML
City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType 		Year Completed Comments
Davis, CA
Yolo Co.
United States 		Hutchison Dr. / Bioletti Way
(38.53915, -121.75619) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
19.8120 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2012 Oval shaped. ICD = 65 ft x 55 ft. Painted and marked central and splitter islands.
Davis, CA
Yolo Co.
United States 		Bioletti Way / Bainer Hall Dr.
(38.53608, -121.75682) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		Painted and marked central and splitter islands.
North Bend, WA
King Co.
United States 		SE North Bend Way / 436th Ave. SE
(47.48132, -121.75803) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021
North Bend, WA
King Co.
United States 		436th Ave. SE / SE 136th St.
(47.47778, -121.75834) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 https://livingsnoqualmie.com/updated-construction-schedule-for-se-136th-street-436th-avenue-roundabout-in-north-bend/
Davis, CA
Yolo Co.
United States 		Anderson Rd. / Alvarado Ave.
(38.56210, -121.75850) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.2149 		Other (At-Grade)
Single-Lane 		1997 Moderate to high pedestrian and bicycle volume. Located in residential area frequented by commuters to University of California at Davis. ICD estimated from Google Maps linework.
Bridal Falls, BC
Fraser Valley Regional District
Canada 		Hwy 9 / Yale Road East
(49.18523, -121.76500) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2004 Completed October 29, 2004.
Woodland, CA
Yolo Co.
United States 		Palm Ave. / Keystone Ave.
(38.68635, -121.77050) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
41.0198 		Other (At-Grade)
Single-Lane 		Circular intersection in older neighborhood. 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.
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 		Acer St. / Celadon St.
(38.54316, -121.77348) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Watsonville, CA
Santa Cruz Co.
United States 		Ohlone Pkwy. / Manabe Ow Rd.
(36.90461, -121.77358) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.4710 		Other (At-Grade)
Single-Lane 		2016 Fourth leg stubbed. date: https://localwiki.org/santacruz/Roundabout ICD estimated from Google Maps linework.
Watsonville, CA
Santa Cruz Co.
United States 		Clifford Ave. / Pennsylvania Dr.
(36.92259, -121.77482) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.0961 		Other (At-Grade)
Single-Lane 		2014 https://patch.com/california/watsonville/watsonvilles-first-roundabout-opens ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Shasta Dr. / Olympic Dr.
(38.55540, -121.77620) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.2833 		Other (At-Grade)
Single-Lane 		1999 Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Acer St. / Citron St.
(38.54317, -121.77625) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Davis, CA
Yolo Co.
United States 		Tilia St. / Citron St.
(38.54207, -121.77631) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on two legs.
Sultan, WA
Snohomish Co.
United States 		US 2 / Rice Rd.
(47.86794, -121.77764) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.4579 		Other (At-Grade)
Single-Lane 		2012 https://www.seattletimes.com/seattle-news/transportation/after-multimillion-dollar-plan-to-boost-highway-2-safety-has-the-effort-borne-fruit/ ICD estimated from Google Maps linework.
Salinas, CA
Monterey Co.
United States 		SR 68 ./ Pasadera Dr. / Boots Rd.
(36.56766, -121.77857) 		Roundabout
Unknown 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
46.9087 		Other (At-Grade)
Single-Lane 		Anticipated opening year 2029.
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.
North Bend, WA
King Co.
United States 		E North Bend Way / Park St. / Downing Ave.
(47.49288, -121.78223) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.8585 		Other (At-Grade)
Single-Lane 		2019 https://northbendwa.gov/CivicAlerts.aspx?AID=916 ICD estimated from Google Maps linework.
Santa Teresa, CA
Santa Clara Co.
United States 		Raleigh Rd. / Coronado Ave.
(37.24222, -121.78522) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2016-2017).
Seaside, CA
Monterey Co.
United States 		Inter-Garrison Rd. / 8th Ave.
(36.65463, -121.78594) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
33.5352 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Klamath Falls, OR
Klamath Co.
United States 		Campus Dr. / Daggett Ave.
(42.25262, -121.78769) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.klamathfallsnews.org/news/campus-roundabout-construction-progressing-well
Seaside, CA
Monterey Co.
United States 		Divarty St. / A St. / 5th Ave.
(36.65285, -121.79531) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.5778 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2008). 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.
North Bend, WA
King Co.
United States 		SR 202 / I-90 EB Ramps
(47.48782, -121.79730) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
41.9673 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2007 Opened November 2007. ICD estimated from Google Maps linework.
Marina, CA
Monterey Co.
United States 		Del Monte Blvd. / Beach Rd.
(36.69360, -121.79737) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.6452 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
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.
Marina, CA
Monterey Co.
United States 		Reservation Rd. / Robin Dr.
(36.68986, -121.80249) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.5621 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Marina, CA
Monterey Co.
United States 		Reservation Rd. / Seaside Ct. / Seaside Cir.
(36.69201, -121.80258) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.5612 		Other (At-Grade)
Single-Lane 		2014 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.
Rio Vista, CA
Solano Co.
United States 		SR 12 / SR 113 / Birds Landing Rd.
(38.18362, -121.80611) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.4901 		Other (At-Grade)
Single-Lane 		2019 Still under construction in Sept. 2019, but operating as a roundabout. ICD estimated from Google Maps linework.
Monterey, CA
Monterey Co.
United States 		SR 68 / York Rd.
(36.57156, -121.80839) 		Roundabout
Unknown 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
46.7868 		Other (At-Grade)
Single-Lane 		Anticipated opening year 2029.
Del Rey Oaks, CA
Monterey Co.
United States 		SR 68 / Canyon del Rey Blvd. / Monterra Rd.
(36.58090, -121.82797) 		Roundabout
Unknown 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
52.5780 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		Anticipated opening year 2029.
Stevenson, WA
Skamania Co.
United States 		SR 14 / Wind River Rd.
(45.71510, -121.82857) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.1939 		Other (At-Grade)
Single-Lane 		2019 Completed Summer 2019 (WSDOT). ICD estimated from Google Maps linework.
Snoqualmie, WA
King Co.
United States 		SR 202 / Tokul Rd. / Mill Pond Rd.
(47.54073, -121.83292) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
37.8938 		Other (At-Grade)
Single-Lane 		2016 Open August 2016. ICD estimated from Google Maps linework.
Chico, CA
Butte Co.
United States 		E 1st St. / E 2nd St. / Camelia Way
(39.73168, -121.83847) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2013 Designed in tandem with conversion of First and Second Streets to a one-way couplet. Completed 2013.
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.
Chico, CA
Butte Co.
United States 		First St. / Salem St.
(39.72980, -121.84300) 		Other
Existing 		All-Way Yield
None 		2 Approaches
1 Driveways
18.3704 		Other (At-Grade)
Single-Lane 		2012 Hybrid mini-roundabout / "drop off circle" at major bike/ped entrance into Chico State University. Completed 2012. ICD estimated from Google Maps linework.
San Jose, CA
Santa Clara Co.
United States 		Communications Hill Blvd. / Llano De Los Robles Ave.
(37.28371, -121.84892) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2017 North leg added 2020.
Monterey, CA
Monterey Co.
United States 		SR 68 / Olmsted Rd.
(36.58399, -121.84976) 		Roundabout
Unknown 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
46.6344 		Other (At-Grade)
Single-Lane 		Anticipated opening year 2029.
Chico, CA
Butte Co.
United States 		W. 8th Ave. / Magnolia Ave.
(39.74451, -121.85270) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.7130 		Other (At-Grade)
Single-Lane 		2005 Functional Class: Local ICD estimated from Google Maps linework.
Fisherman Flats, CA
Monterey Co.
United States 		SR 68 / Josselyn Canyon Rd.
(36.58359, -121.85655) 		Roundabout
Unknown 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
46.7868 		Other (At-Grade)
Single-Lane 		Anticipated opening year 2029.
Chico, CA
Butte Co.
United States 		W. 8th Ave. / Meadow Rd.
(39.74013, -121.86330) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
2 Driveways
24.7963 		Other (At-Grade)
Single-Lane 		2005 Functional Class: Local ICD estimated from Google Maps linework.
Chico, CA
Butte Co.
United States 		W. 8th Ave. / Greenwich Dr.
(39.73875, -121.86640) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.7968 		Other (At-Grade)
Single-Lane 		2005 Functional Class: Local ICD estimated from Google Maps linework.
Chico, CA
Butte Co.
United States 		E Eaton Rd. / SR 99 NB Ramps / Hicks Ln.
(39.77520, -121.87224) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2022
Fall City, WA
King Co.
United States 		SR 202 / SR 203
(47.56919, -121.88690) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
21.7569 		Other (At-Grade)
Single-Lane 		2007 Completed October 2007. ICD estimated from Google Maps linework.
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.
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 		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 		Mill Creek Pl. / Oak Vista Way
(37.65794, -121.89347) 		Traffic Calming Circle
Existing 		Uncontrolled
None 		3 Approaches
1 Driveways
16.0738 		Other (At-Grade)
Single-Lane 		2000 Year Completed estimated (1993-2002). 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. / 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. / (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.
Aptos, CA
Santa Cruz Co.
United States 		Aptos Beach Dr. / Esplanade / Beach Dr. / Rio Del Mar Blvd. / Venetian Rd.
(36.96915, -121.90525) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
20.9928 		Other (At-Grade)
Single-Lane 		2015 date: https://localwiki.org/santacruz/Roundabout ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States 		Watermill Rd. / Albion Rd.
(37.76511, -121.90780) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
34.9336 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States 		Watermill Rd. / Harcourt Way
(37.75982, -121.90820) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
34.9361 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States 		Watermill Rd. / Watermill Rd.
(37.75548, -121.90970) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
31.1610 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
San Ramon, CA
Contra Costa Co.
United States 		S Monarch Rd. / Ivy Leaf Springs Rd. / Alpine Blue Dr.
(37.76185, -121.91048) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
23.6048 		Other (At-Grade)
Single-Lane 		2006 Opened with 2 approaches, third one added 2014-2015. ICD estimated from Google Maps linework.
San Ramon, CA
Contra Costa Co.
United States 		Monarch Rd. / Main Branch Rd.
(37.76644, -121.91149) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.4357 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Monterey, CA
Monterey Co.
United States 		SR 68 / SR 1 SB Off-Ramp / 17 Mile Dr.
(36.57529, -121.91281) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2017
Monterey, CA
Monterey Co.
United States 		17 Mile Dr. / SR 1 SB On-Ramp
(36.57448, -121.91295) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
28.9560 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 Raindrop shape. Right-turn-only lane on west leg.
Shasta Hanchett Park, CA
Santa Clara Co.
United States 		Martin Ave. / Sequoia Ave.
(37.33046, -121.91387) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Shasta Hanchett Park, CA
Santa Clara Co.
United States 		Tillman Ave. / Yosemite Ave.
(37.32791, -121.91395) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Shasta Hanchett Park, CA
Santa Clara Co.
United States 		Tillman Ave. / Sierra Ave.
(37.32858, -121.91476) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Shasta Hanchett Park, CA
Santa Clara Co.
United States 		Martin Ave. / Tillman Ave.
(37.32929, -121.91560) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Shasta Hanchett Park, CA
Santa Clara Co.
United States 		Tillman Ave. / Hanchett Ave.
(37.32998, -121.91643) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Chilliwack, BC
Fraser Valley
Canada 		Prairie Central Rd. / Prest Rd.
(49.14742, -121.91835) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.9676 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
Chilliwack, BC
Fraser Valley
Canada 		Bailey Rd. / Prest Rd. / Teskey Way
(49.11848, -121.91844) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.0842 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
San Ramon, CA
Contra Costa Co.
United States 		Stoneleaf Rd. / W Branch Rd.
(37.76337, -121.91875) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2011
Vacaville, CA
Solano Co.
United States 		Carroll Way / Primrose Dr.
(38.34930, -121.92726) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2019-2020).
Santa Clara, CA
Santa Clara Co.
United States 		(shopping center entrance) / (parking)
(37.35667, -121.93755) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2880 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2022 https://www.svvoice.com/coleman-costco-installing-roundabout/
Vacaville, CA
Solano Co.
United States 		Vanden Rd. / Leisure Town Rd.
(38.31717, -121.94312) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2017 Added lane right-turn bypass lanes on west and south legs.
Vacaville, CA
Solano Co.
United States 		Foxboro Pkwy. / Vanden Rd. / Rich Cir.
(38.31708, -121.94625) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Single-Lane 		2019
Santa Clara, CA
Santa Clara Co.
United States 		Rivermark Plaza / Moreland Way
(37.39525, -121.94684) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Fairfield, CA
Solano Co.
United States 		Skymaster Circle
(38.26961, -121.94804) 		Other
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		At Travis Air Force Base. WWII bomber located in central island.
Santa Clara, CA
Santa Clara Co.
United States 		Cypress Ave. / Cecil Ave.
(37.32430, -121.95985) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
30.3920 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
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.
Chilliwack, BC
Fraser Valley
Canada 		Vedder Rd. / Chilliwack Lake Rd.
(49.09791, -121.96384) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.8444 		Other (At-Grade)
Single-Lane 		2017 https://www.reminetwork.com/articles/unique-vedder-bridge-launch/ ICD estimated from Google Maps linework.
Madison, CA
Yolo Co.
United States 		SR 16 / CR 89
(38.68204, -121.96678) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2019
Winters, CA
Yolo Co.
United States 		SR 128 (E Grant Ave.) / Walnut Ln. / (parking lot)
(38.52629, -121.96733) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.8992 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Monroe, WA
Snohomish Co.
United States 		Chain Lake Rd. / N Kelsey St.
(47.86475, -121.96958) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
29.6464 		Other (At-Grade)
Single-Lane 		2014 Bing "On the Street" view shows it under construction ICD estimated from Google Maps linework.
Chilliwack, BC
Fraser Valley
Canada 		Vedder Mountain Rd. / Cultus Lake Rd.
(49.09493, -121.97242) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
43.0131 		Other (At-Grade)
Single-Lane 		2018 http://fraservalleynewsnetwork.com/2018/10/04/update-the-roundabout-to-cultus-lake-on-schedule-for-november-completion/ ICD estimated from Google Maps linework.
Chilliwack, BC
Fraser Valley
Canada 		Columbia Valley Rd. / Sunnyside Blvd. / (parking)
(49.07529, -121.97639) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.0000 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2011).
Chilliwack, BC
Fraser Valley
Canada 		Tyson Rd. / Watson Rd.
(49.11111, -121.97651) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.8718 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Chilliwack, BC
Fraser Valley
Canada 		Keith Wilson Rd. / Tyson Rd.
(49.10375, -121.97668) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.0000 		Other (At-Grade)
Single-Lane 		2014
Chilliwack, BC
Fraser Valley
Canada 		Evans Rd. / Evans Pkwy. / Yale Rd. W
(49.14521, -121.97764) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
53.9072 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 ICD estimated from Google Maps linework.
Granite Falls, WA
Snohomish Co.
United States 		Granite Falls Access Rd. / Jordan Rd
(48.09135, -121.97980) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
55.0445 		Other (At-Grade)
Single-Lane 		2010 November 2010. ICD estimated from Google Maps linework.
Duvall, WA
King Co.
United States 		NE Big Rock Rd. / 3rd Ave. NE
(47.72685, -121.98193) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.1373 		Other (At-Grade)
Single-Lane 		2019
Duvall, WA
King Co.
United States 		SR 203 (Carnation-Duvall Rd.) / 124th St. / Novelty Hill
(47.70910, -121.98440) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.9865 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 http://www.wsdot.wa.gov/projects/sr203/NE124thNoveltyRd/ Functional Class: Arterial ICD estimated from Google Maps linework.
Sundale, CA
Alameda Co.
United States 		Walnut Ave. / Argonaut Way / Parkhurst Dr.
(37.54260, -121.98521) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
33.5277 		Other (At-Grade)
Single-Lane 		2015 Raised crosswalks. Year Completed estimated (2014-2015).
Suisun City, CA
Solano Co.
United States 		Charleston St. / Gunter Dr.
(38.26212, -121.98570) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2004
Suisun City, CA
Solano Co.
United States 		Charleston St. / McClellan Dr.
(38.25614, -121.98578) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2002 Year Completed estimated (1993-2003).
Duvall, WA
King Co.
United States 		Railroad Way NE / NE 143rd Pl.
(47.72994, -121.98822) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
32.3085 		Other (At-Grade)
Single-Lane 		2020 Yield at entry, but no splitter islands.
Granite Falls, WA
Snohomish Co.
United States 		Granite Falls Access Rd. / SR 92
(48.08332, -121.99000) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.2978 		Other (At-Grade)
Single-Lane 		2010 May 2010. ICD estimated from Google Maps linework.
Granite Falls, WA
Snohomish Co.
United States 		Granite Falls Access Rd. / Burn Rd. (NE 100th St.)
(48.08656, -121.99060) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.2954 		Other (At-Grade)
Single-Lane 		2010 November 2010. ICD estimated from Google Maps linework.
Concord, CA
Contra Costa Co.
United States 		Landana Dr. / Mulberry Dr.
(37.97886, -121.99430) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
16.0041 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sammamish, WA
King Co.
United States 		SE Issaquah-Beaver Lake Rd. / 256th Ave. SE / E Beaver Lake Dr. SE
(47.57849, -121.99831) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2019-2020).
Sammamish, WA
King Co.
United States 		SE Issaquah-Fall City Rd. / Klahanie Dr. SE / 252nd Ave. SE
(47.56365, -122.00398) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2021 https://connect.sammamish.us/ifcr-project-look-ahead?category=11%2F5%2F19&tool=news_feed
Enumclaw, WA
King Co.
United States 		Semanski St. / Warner Ave.
(47.19201, -122.00551) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2021 Next to Enumclaw High School. https://www.courierherald.com/news/council-awards-bid-for-roundabout-in-front-of-enumclaw-high/
Monroe, WA
Snohomish Co.
United States 		SR 522 EB Ramps / 164th St. SE / Tester Rd.
(47.84863, -122.00580) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
60.9143 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 Completed August 2001. This project won the Washington State APWA 2001 Project of the Award and the ASCE Seattle Section 2001 Outstanding Project Award. The Project is documented in the Compendium of Papers for 2000 ITE District 6 Annual Meeting, San Diego, CA. Reconfiguration of two intersections into a roundabout. Previously controlled by two-way stop ICD estimated from Google Maps linework.