Roundabouts Database

29411 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
Burlingame, CA
San Mateo Co.
United States 		California Dr. / Bellevue Ave. / Lorton Ave.
(37.58049, -122.34729) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2019 Bus stop in advance of crosswalk on through bypass lane.
Elk Grove, CA
Sacramento Co.
United States 		Waterman Rd. / Sheldon Rd.
(38.43814, -121.35290) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.3552 		Other (At-Grade)
Single-Lane 		2016 Yield-controlled right-turn bypass lane on north leg. ICD estimated from Google Maps linework.
Prather, CA
Fresno Co.
United States 		SR 168 (Morgan Canyon Rd.) / Auberry Rd. / (parking lot) / (parking lot)
(37.03726, -119.51426) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
41.9481 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Upper Lake, CA
Lake Co.
United States 		SR 20 / SR 29
(39.16333, -122.92095) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
36.1148 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Pauma Valley, CA
San Diego Co.
United States 		SR 76 / Valley Center Rd. / (parking lot)
(33.28828, -116.95813) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
35.9411 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Oroville, CA
Butte Co.
United States 		Table Mountain Blvd. / Nelson Ave. / Cherokee Rd.
(39.52418, -121.55881) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
40.5351 		Other (At-Grade)
Single-Lane 		2016 Yield-controlled right-turn bypass lane on northeast leg. ICD estimated from Google Maps linework.
Santa Barbara, CA
Santa Barbara Co.
United States 		Cliff Dr. / Las Positas Rd.
(34.40523, -119.73918) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.5619 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Fresno, CA
Fresno Co.
United States 		N Chestnut Ave. / E Barstow Ave.
(36.81584, -119.73618) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
35.3771 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Fresno, CA
Fresno Co.
United States 		N Chesnut Ave. / E Campus Pointe Dr.
(36.81225, -119.73626) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
35.3788 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Fresno, CA
Fresno Co.
United States 		N Fowler Ave. / E Fancher Creek Dr.
(36.73915, -119.68213) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
50.7261 		Other (At-Grade)
Single-Lane 		2012 Yield-controlled right-turn bypass lane on north leg. Fourth approach stubbed. Staggered pedestrian crossings. ICD estimated from Google Maps linework.
Yucaipa, CA
San Bernardino Co.
United States 		Yucaipa Blvd. / California St.
(34.03389, -117.03884) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.7745 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
Yucaipa, CA
San Bernardino Co.
United States 		Yucaipa Blvd. / 2nd St.
(34.03390, -117.04319) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.7642 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
Fairview, CA
Alameda Co.
United States 		Fairview Ave. / Five Canyons Pkwy. / East Ave. (Star Ridge Rd.)
(37.67520, -122.03220) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
20.7965 		Other (At-Grade)
Single-Lane 		1998 https://www.sfgate.com/bayarea/article/COMMUTER-CHRONICLES-IN-A-ROUNDABOUT-WAY-The-2975842.php ICD estimated from Google Maps linework.
Hayward Highland, CA
Alameda Co.
United States 		Fairview Ave. / Hayward Blvd. / Stonebrae Country Club Dr.
(37.65432, -122.01743) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.7681 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Kings Beach, CA
Placer Co.
United States 		N Lake Blvd. / Coon St.
(39.23589, -120.02207) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.6021 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Kings Beach, CA
Placer Co.
United States 		N Lake Blvd. / Bear Ave. / Brook Ave. / (beach parking)
(39.23681, -120.02465) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.0514 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
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.
Lakeport, CA
Lake Co.
United States 		Todd Rd. / Parallel Dr.
(39.03226, -122.92521) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.5433 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2003). ICD estimated from Google Maps linework.
Tracy, CA
San Joaquin Co.
United States 		W 11th St. (I-205 Business) / W Grant Line Rd. / Kasson Rd.
(37.75309, -121.35183) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
52.8810 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012 ICD estimated from Google Maps linework.
Elk Grove, CA
Sacramento Co.
United States 		Elk Grove Blvd. / Black Swan Dr. / Baypoint Way
(38.40909, -121.34886) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.5370 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Elk Grove, CA
Sacramento Co.
United States 		Elk Grove Blvd. / Mainline Dr. / Clarke Farms Dr.
(38.40911, -121.33893) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.5370 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Reedley, CA
Fresno Co.
United States 		Reed Ave. / North Ave. / I St.
(36.60072, -119.45756) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		3 Approaches
2 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2017 Right-turn-only lane on southwest leg. Roundabout is approximately 100 feet from at-grade railroad crossing on southwest leg. A signalized intersection is approximately 60 feet from the at-grade rail crossing on the other side of the rail crossing. The two legs of the roundabout not crossing the railroad tracks have train-activated flashing red beacons requiring traffic to stop when flashing.
Clovis, CA
Fresno Co.
United States 		Deauville Cir. / Armstrong Ave.
(36.86322, -119.67286) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
58.2883 		Other (At-Grade)
Single-Lane 		2000 Pedestrian crossing next to circulatory roadway. ICD estimated from Google Maps linework.
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.
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.
San Clemente, CA
Orange Co.
United States 		Camino de los Mares / Camino del Rio / Bonanza
(33.47361, -117.62883) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.8946 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
San Clemente, CA
Orange Co.
United States 		Camino del Rio / Calle Sarmentoso
(33.47484, -117.62198) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
21.9169 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States 		Sunset Ave. / Foster Ave. / Jay St.
(40.87972, -124.08482) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.5754 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2014 Speed hump on southeast leg. Date: https://krcrtv.com/archive/new-roundabout-open-in-arcata-_2016051318431286 ICD estimated from Google Maps linework.
Stanford, CA
Santa Clara Co.
United States 		Campus Dr. / Serra St.
(37.42679, -122.15944) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.5257 		Other (At-Grade)
Single-Lane 		2018 https://transportation.stanford.edu/news/stanfords-fifth-roundabout-open-serra-street-and-campus-drive-east 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.
Sacramento, CA
Sacramento Co.
United States 		26th St. / I St.
(38.57565, -121.47140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
81.2327 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		24th St. / I St.
(38.57636, -121.47410) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
55.0883 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		24th St. / H St.
(38.57746, -121.47360) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
70.0264 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		26th St. / E St.
(38.58003, -121.46950) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
15.8721 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Peter J Shields Ave. / East Quad
(38.54061, -121.74820) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.8150 		Other (At-Grade)
Unknown 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Peter J Shields Ave. / West Quad
(38.54028, -121.75010) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
14.9467 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		California Ave. / North Quad
(38.54252, -121.75300) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
20.5511 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		California Ave. / Storer Mall
(38.54082, -121.75250) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
13.0783 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		California Ave. / Hutchison Dr.
(38.53909, -121.75200) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.3015 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local. Year Completed unknown (before 1993). ICD estimated from Google Maps linework.
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.
San Diego, CA
San Diego Co.
United States 		La Jolla Blvd. / Midway St.
(32.81244, -117.26820) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.1056 		Other (At-Grade)
Single-Lane 		2005 http://www.signonsandiego.com/news/metro/20051104-9999-7m4circles.html ICD estimated from Google Maps linework.
San Diego, CA
San Diego Co.
United States 		La Jolla Blvd. / Colima St.
(32.81115, -117.26660) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
23.0871 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Claremont Blvd. / Taraval St. / Dewey Blvd. / Kensington Way
(37.74376, -122.46370) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
35.8881 		Other (At-Grade)
Single-Lane 		Stop-controlled traffic circle. ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		O'Neill Dr. / Benjamin Dr.
(33.57070, -117.63860) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.8341 		Other (At-Grade)
Single-Lane 		2000 http://www.ocregister.com/ocregister/news/local/communities/ladera/article_1584236.php. Date estimated. Functional Class: Collector ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Sienna Pkwy. / Windmill Ln.
(33.55830, -117.63570) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.8389 		Other (At-Grade)
Single-Lane 		2004 http://www.ocregister.com/ocregister/news/local/communities/ladera/article_1584236.php Functional Class: Collector ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Sienna Pkwy. / Sellas Rd. North
(33.55508, -117.63700) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.8073 		Other (At-Grade)
Single-Lane 		2004 http://www.ocregister.com/ocregister/news/local/communities/ladera/article_1584236.php Functional Class: Collector ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Sienna Pkwy. / Dorrance Dr. / Daisy St. North
(33.55208, -117.63840) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.8087 		Other (At-Grade)
Single-Lane 		2004 http://www.ocregister.com/ocregister/news/local/communities/ladera/article_1584236.php Functional Class: Collector ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Sienna Pkwy. / Sellas Rd. South
(33.54749, -117.63800) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.8293 		Other (At-Grade)
Single-Lane 		2004 http://www.ocregister.com/ocregister/news/local/communities/ladera/article_1584236.php Functional Class: Collector ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Sienna Pkwy. / O'Neill Dr.
(33.54505, -117.64040) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.8487 		Other (At-Grade)
Single-Lane 		2004 http://www.ocregister.com/ocregister/news/local/communities/ladera/article_1584236.php Functional Class: Collector ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		O'Neill Dr. / Dorrance Dr.
(33.55489, -117.64530) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.8121 		Other (At-Grade)
Single-Lane 		2004 http://www.ocregister.com/ocregister/news/local/communities/ladera/article_1584236.php Functional Class: Collector ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		O'Neill Dr. / Narrow Canyon Rd.
(33.54931, -117.64590) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.8285 		Other (At-Grade)
Single-Lane 		2004 http://www.ocregister.com/ocregister/news/local/communities/ladera/article_1584236.php Functional Class: Collector ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		O'Neill Dr. / Eton Pl.
(33.54766, -117.64510) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.8431 		Other (At-Grade)
Single-Lane 		2004 http://www.ocregister.com/ocregister/news/local/communities/ladera/article_1584236.php Functional Class: Collector ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Narrow Canyon Rd. / Clarin St.
(33.54144, -117.64680) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.8728 		Other (At-Grade)
Single-Lane 		2004 http://www.ocregister.com/ocregister/news/local/communities/ladera/article_1584236.php Functional Class: Collector ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Ethereal St. / Sol St. / Tarleton Ln.
(33.54131, -117.64420) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.8865 		Other (At-Grade)
Single-Lane 		2003 http://www.ocregister.com/ocregister/news/local/communities/ladera/article_1584236.php Functional Class: Collector ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Ethereal St. / Sienna Pkwy.
(33.53963, -117.64360) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.8643 		Other (At-Grade)
Single-Lane 		2003 http://www.ocregister.com/ocregister/news/local/communities/ladera/article_1584236.php Functional Class: Collector ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Ethereal St. / Narrow Canyon Rd.
(33.53764, -117.64350) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.8785 		Other (At-Grade)
Single-Lane 		2003 http://www.ocregister.com/ocregister/news/local/communities/ladera/article_1584236.php Functional Class: Collector ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Cecil Pasture Rd. / retail access
(33.56192, -117.64680) 		Other
Existing 		Unknown
None 		3 Approaches
0 Driveways
26.8710 		Other (At-Grade)
Single-Lane 		2004 http://www.ocregister.com/ocregister/news/local/communities/ladera/article_1584236.php Functional Class: Collector ICD estimated from Google Maps linework.
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.
Orinda, CA
Contra Costa Co.
United States 		Hall Dr. / Donald Dr.
(37.86411, -122.15310) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
17.9148 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Oroville, CA
Butte Co.
United States 		Montgomery St. / Washington Ave. / Table Mountain Blvd.
(39.51611, -121.54970) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.8544 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Blue Lake, CA
Humboldt Co.
United States 		Blue Lake Blvd. / Chartin Rd.
(40.88640, -123.99540) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3789 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Truckee, CA
Nevada Co.
United States 		Hwy 89 / I-80 WB Ramps
(39.32386, -120.20760) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.6518 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2005 ICD estimated from Google Maps linework.
Truckee, CA
Nevada Co.
United States 		Hwy 89 / I-80 EB Ramps
(39.32243, -120.20770) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
55.4354 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2005 ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		San Juan Rd. / Azevedo Dr.
(38.62740, -121.50840) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.1250 		Other (At-Grade)
Single-Lane 		2004 Constructed using asphalt curbs without reconstructing original curb/gutter/sidewalk. Tactile guide strips in crosswalks. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		Bowen Ave. / Phelps Ave.
(37.67470, -121.00600) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
22.6873 		Other (At-Grade)
Single-Lane 		2002 Previously controlled by one-way stop ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		Lifescapes Dr. / Grecian Ave.
(37.69840, -120.98540) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.5700 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		Sylvan Ave. / Roselle Ave.
(37.68896, -120.93980) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.2012 		Other (At-Grade)
Single-Lane 		2004 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.
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.
Arcata, CA
Humboldt Co.
United States 		13th St. / J St.
(40.87260, -124.08780) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
11.7404 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States 		12th St. / I St.
(40.87160, -124.08700) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
48.7687 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Truckee, CA
Nevada Co.
United States 		Brockway Rd. / Martis Valley Rd.
(39.32135, -120.16269) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2006
Claremont, CA
Los Angeles Co.
United States 		Indian Hill Blvd. / Bonita St.
(34.09662, -117.71930) 		Roundabout
Removed 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2000 Temporary roundabout installed in August 1999, removed in April 2000. Strong public negative opinion cited as reason for removal. (Westernite, July-August 2000, pp. 2-3)
Orange, CA
Orange Co.
United States 		Chapman Ave. / Glassell St.
(33.78788, -117.85310) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
70.4752 		Other (At-Grade)
Single-Lane 		Old school traffic circle, pedestrian park in the middle, cars park along the sides. ICD estimated from Google Maps linework.
Santa Barbara, CA
Santa Barbara Co.
United States 		Milpas St. / US 101 NB Ramps / Carpinteria St.
(34.42073, -119.67765) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 Oblong shaped. ICD = 250 ft x 125 ft. Completed April 2000. Experienced one single-vehicle fatality (date unknown). 11861-05.
Modesto, CA
Stanislaus Co.
United States 		Chandon Dr. / Calero Dr.
(37.67642, -120.93380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4132 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		Bowen Ave. / Fremont Ave.
(37.67470, -121.00260) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.9061 		Other (At-Grade)
Single-Lane 		2002 Previously controlled by twsc ICD estimated from Google Maps linework.
Santa Barbara, CA
Santa Barbara Co.
United States 		Alameda Padre Serra / Montecito St. / Salinas St. / Sycamore Canyon Rd.
(34.42903, -119.67720) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
1 Driveways
23.6427 		Other (At-Grade)
Single-Lane 		1992 Includes driveway into roundabout serving one home. ICD estimated from Google Maps linework.
Long Beach, CA
Los Angeles Co.
United States 		Los Alamitos Circle (Hwy. 1 / Lakewood Blvd. / Los Coyotes Diagonal)
(33.78989, -118.14250) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
137.1597 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1993 Traffic circle conversion. Modified in 2020 to reduce lanes. 21442
Carlsbad, CA
San Diego Co.
United States 		Legoland Dr. / Armada Dr.
(33.13229, -117.31660) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		1999 Unstriped circulatory roadway.
Truckee, CA
Nevada Co.
United States 		Donner Pass Rd. / W. River St. / McIver Crossing
(39.32510, -120.19200) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.1077 		Other (At-Grade)
Single-Lane 		1998 Fatal crash. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States 		Guintoli Ln. / US 101 NB Ramps
(40.90492, -124.08510) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.3015 		Freeway Ramps (Grade-Separated)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States 		West End Rd. / Spear Ave. / Saint Louis Rd.
(40.88910, -124.08210) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.0866 		Other (At-Grade)
Single-Lane 		1998 Functional Class: Arterial ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States 		Samoa Blvd. / Union St.
(40.86140, -124.07730) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.2273 		Other (At-Grade)
Single-Lane 		1999 Functional Class: Arterial ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States 		Samoa Blvd. / Buttermilk Ln.
(40.85710, -124.07250) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.1329 		Other (At-Grade)
Single-Lane 		1999 Functional Class: Arterial ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States 		Guintoli Ln. / US 101 SB Ramps
(40.90400, -124.08920) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.7180 		Freeway Ramps (Grade-Separated)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Berkeley, CA
Alameda Co.
United States 		Marin Ave. / Los Angeles Ave. / Del Norte St. / Arlington Ave.
(37.89015, -122.27240) 		Other
Existing 		One-Way/Two-Way Stop
None 		6 Approaches
0 Driveways
25.4489 		Other (At-Grade)
Single-Lane 		Free movement on Marin Ave.; rest are stop-controlled ICD estimated from Google Maps linework.
Visalia, CA
Tulare Co.
United States 		Houston Ave. / Santa Fe St. / NE 3rd Ave.
(36.34183, -119.28780) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
50.9874 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		La Loma / James St. / G St.
(37.64360, -120.98740) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
34.0452 		Other (At-Grade)
Single-Lane 		1997 Permanent installation with landscaping in place Previously controlled by two-way stop Functional Class: Collector 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.
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.
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.
Modesto, CA
Stanislaus Co.
United States 		Sylvan Ave. / Millbrook Ave.
(37.68898, -120.93520) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.3658 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
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.
Modesto, CA
Stanislaus Co.
United States 		Sharon Ave. / Maid Mariane Rd.
(37.67451, -120.93050) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
20.7967 		Other (At-Grade)
Single-Lane 		2006 Opened July 27, 2006. Functional Class: Collector ICD estimated from Google Maps linework.
Encinitas, CA
San Diego Co.
United States 		Santa Fe Dr. / Devonshire Dr. / Rubenstein Ave.
(33.03622, -117.28590) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.0272 		Other (At-Grade)
Single-Lane 		2004 Site of solo fatal crash in 2007, DUI .29%. http://www.nctimes.com/articles/2007/10/09/news/coastal/2_03_3710_8_07.txt. 11861-05. Previously controlled by two-way stop Functional Class: Collector 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.
La Quinta, CA
Riverside Co.
United States 		Jefferson St. / Avenue 52
(33.67096, -116.26870) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.6860 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 RT bypass lanes on all legs. ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States 		Waller St. / Steiner St.
(37.77097, -122.43190) 		Traffic Calming Circle
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
66.0853 		Other (At-Grade)
Single-Lane 		2003 Preliminary layout for neighborhodd comment Functional Class: Local ICD estimated from Google Maps linework.