Roundabouts Database

28859 Results

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City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType 		Year Completed Comments
Napa, CA
Napa Co.
United States 		1st St. / California Blvd.
(38.29823, -122.30024) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.3668 		Other (At-Grade)
Unknown 		2020 Completed April 2020. ICD estimated from Google Maps linework.
Napa, CA
Napa Co.
United States 		California Blvd. / 2nd St.
(38.29732, -122.30025) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
31.8687 		Other (At-Grade)
Unknown 		2020 Completed April 2020. ICD estimated from Google Maps linework.
Hyde Park, CA
Los Angeles Co.
United States 		W 76th St. / 5th Ave.
(33.97089, -118.32213) 		Other
Existing 		Other
None 		4 Approaches
0 Driveways
44.5717 		Other (At-Grade)
Single-Lane 		Mix of stop and yield control. Painted splitter islands. ICD estimated from Google Maps linework.
Gilroy, CA
Santa Clara Co.
United States 		Santa Teresa Blvd. / 3rd St.
(37.00747, -121.60034) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
41.0108 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Gilroy, CA
Santa Clara Co.
United States 		3rd St. / Cobblestone Ct.
(37.00798, -121.60339) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
22.8896 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Gilroy, CA
Santa Clara Co.
United States 		Santa Teresa Blvd. / Miller Ave.
(36.98747, -121.58780) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
42.9296 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Windsor, CA
Sonoma Co.
United States 		Old Redwood Hwy / Market St
(38.54956, -122.81353) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.5598 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Windsor, CA
Sonoma Co.
United States 		Old Redwood Hwy / Windsor Rd
(38.55271, -122.81661) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7562 		Other (At-Grade)
Single-Lane 		2016 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.
Elk Grove, CA
Sacramento Co.
United States 		Bradshaw Rd. / Sheldon Rd.
(38.43818, -121.33457) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
41.1617 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 ICD estimated from Google Maps linework.
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.
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.
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.
Fullerton, CA
Orange Co.
United States 		Starbuck St. / Hughes Dr.
(33.88227, -117.96367) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.7709 		Other (At-Grade)
Single-Lane 		2003 Painted splitter islands. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Fullerton, CA
Orange Co.
United States 		Nicolas Way / Hughes Dr.
(33.88107, -117.95884) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.7967 		Other (At-Grade)
Single-Lane 		2003 Painted splitter islands. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Amerige Heights, CA
Orange Co.
United States 		1919 W Malvern Ave
(33.87845, -117.96296) 		Other
Existing 		Other
Unknown 		3 Approaches
0 Driveways
26.7721 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Fullerton, CA
Orange Co.
United States 		Starbuck St. / Hetebrink St.
(33.88433, -117.96291) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.7532 		Other (At-Grade)
Single-Lane 		2003 Painted splitter islands. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Fullerton, CA
Orange Co.
United States 		Nicolas St. / Hetebrink St. / Benchley St.
(33.88314, -117.95815) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
23.7961 		Other (At-Grade)
Single-Lane 		2003 Painted splitter islands. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Fullerton, CA
Orange Co.
United States 		Benchley Dr. / Sheddon St.
(33.88638, -117.95555) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
20.8208 		Other (At-Grade)
Single-Lane 		2003 Painted splitter islands. ICD estimated from Google Maps linework.
Healdsburg, CA
Sonoma Co.
United States 		Healdsburg Ave. / Mill St. / Vine St.
(38.60833, -122.87009) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
36.3981 		Other (At-Grade)
Single-Lane 		2018 At-grade railroad crossing through central island. 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.
Fairfield, CA
Solano Co.
United States 		Rockville Rd. / Abernathy Rd.
(38.24598, -122.09074) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.4495 		Other (At-Grade)
Single-Lane 		2005 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.
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.
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.
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.
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.
Clovis, CA
Fresno Co.
United States 		N Timmy Ave. / W Heritage Ave.
(36.85883, -119.72723) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.0232 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Clovis, CA
Fresno Co.
United States 		N Timmy Ave. / W Quincy Ave.
(36.85710, -119.72725) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.7574 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Clovis, CA
Fresno Co.
United States 		N Timmy Ave. / W Enterprise Ave.
(36.85538, -119.72726) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.9355 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Fresno, CA
Fresno Co.
United States 		N Alicante Dr. / E Copper River Ave.
(36.90089, -119.75861) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.3378 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Fresno, CA
Fresno Co.
United States 		N Alicante Dr. / E Clubhouse Dr.
(36.90335, -119.75341) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.4266 		Other (At-Grade)
Single-Lane 		2006 There's a stub for a fourth leg. ICD estimated from Google Maps linework.
Fresno, CA
Fresno Co.
United States 		E Copper River Ave. / N Knotting Hill Dr. / N Maple Ave.
(36.89703, -119.74733) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.4742 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Palo Alto, CA
Santa Clara Co.
United States 		E Meadow Dr. / Ross Rd.
(37.42600, -122.11139) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
13.2785 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Stanford, CA
Santa Clara Co.
United States 		Campus Dr. / Santa Teresa St.
(37.42678, -122.18140) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.5567 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Cowell Blvd. / Chiles Rd. / Drummond Ave.
(38.54760, -121.71297) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.8903 		Other (At-Grade)
Single-Lane 		2018 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.
Clovis, CA
Fresno Co.
United States 		W Magill Ave. / N Timmy Ave.
(36.83606, -119.72642) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.8089 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Clovis, CA
Fresno Co.
United States 		W Magill Ave. / N Helm Ave.
(36.83607, -119.72313) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.7207 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Kerman, CA
Fresno Co.
United States 		SR 145 (Madera Ave.) / Jensen Ave.
(36.70580, -120.06053) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.3005 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Tipton, CA
Tulare Co.
United States 		SR 190 / Road 152
(36.05140, -119.23239) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.2457 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Delano, CA
Kern Co.
United States 		SR 155 (Garces Hwy.) / Browning Ave.
(35.76145, -119.22321) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2018
Farmersville, CA
Tulare Co.
United States 		W Noble Ave. / SR 198 EB Ramps
(36.32538, -119.20884) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5647 		Freeway Ramps (Grade-Separated)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Corcoran, CA
Kings Co.
United States 		SR 43 / SR 137 / Whitley Ave.
(36.09805, -119.54584) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.3214 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Hanford, CA
Kings Co.
United States 		Hanford Armona Rd. / SR 198 WB On-Ramp / 13th Ave.
(36.31440, -119.69355) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.8925 		Freeway Ramps (Grade-Separated)
Single-Lane 		2018 WB bypass lane. ICD estimated from Google Maps linework.
Hanford, CA
Kings Co.
United States 		SR 43 / Lacey Blvd.
(36.32910, -119.60098) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.3361 		Other (At-Grade)
Single-Lane 		2016 The previously signalized intersection of SR 43 and Lacey Blvd was relocated north and replaced with a roundabout. It is designed for a future east leg when the realignment of the east leg of Lacey Blvd occurs. There are bypass lanes in the NW and SW corners, and there is a NB right-turn lane into the roundabout. ICD estimated from Google Maps linework.
Bakersfield, CA
Kern Co.
United States 		Garces Circle (Golden State Ave. / Chester Ave. / 30th St.)
(35.38691, -119.01878) 		Rotary
Existing 		Other
None 		5 Approaches
0 Driveways
98.3425 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1935 Four of the approaches have yield-control. One has a stop sign. SR 204 is on a grade separation above the traffic circle. 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.
Santa Clarita, CA
Los Angeles Co.
United States 		Newhall Ave. / Main St.
(34.37658, -118.52627) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.5862 		Other (At-Grade)
Single-Lane 		2014 https://www.hometownstation.com/santa-clarita-news/traffic/santa-clarita-officials-open-roundabout-to-newhall-traffic-40037 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.
Manteca, CA
San Joaquin Co.
United States 		Woodward Ave. / Al Fonseca Ln.
(37.77564, -121.23833) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2016
Manteca, CA
San Joaquin Co.
United States 		Woodward Ave. / Oleander Ave.
(37.77562, -121.24315) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
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.
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.
Santee, CA
San Diego Co.
United States 		Town Center Pkwy. / (apartment access)
(32.84348, -116.98157) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.0992 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
Lincoln, CA
Placer Co.
United States 		Catta Verdera / Ladera Dr. / Camino Verdera
(38.85444, -121.24539) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
26.9721 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Airoso St. / Andaza St.
(33.54258, -117.59578) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.8132 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Andaza St. / Aprender St.
(33.53717, -117.59692) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7933 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Andaza St. / Tierno St.
(33.53467, -117.59986) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.8214 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Esencia Dr. / Andaza St.
(33.53385, -117.60108) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.7995 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Esencia Dr. / Fauna Dr.
(33.53540, -117.60302) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.7718 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Chiquita Canyon Dr. / Fauna Dr.
(33.53331, -117.60768) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
43.8042 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Chiquita Canyon Dr. / Airoso St.
(33.53838, -117.60846) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.7656 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Ascenso Ave. / Sendero Way
(33.52666, -117.62398) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.8338 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Ribera Rd. / Ascenso Ave.
(33.52440, -117.62232) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
43.8087 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Reata Rd. / Ribera Rd.
(33.52282, -117.62696) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.7922 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Reata Rd. / (unknown)
(33.52152, -117.62808) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.8102 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Grass Valley, CA
Nevada Co.
United States 		Olympia Park Cir. / (parking lot)
(39.23248, -121.03766) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
1 Driveways
22.8600 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2014 All paint, no raised islands. Opened November 2014. Previously, Olympia Park Circle made a gentle 90-degree curve. Traffic entering from stop-controlled driveway had trouble making left turn as they had to proceed 60 feet to reach the safety of centerline without knowing if approaching vehicle on their left was going to enter the driveway or curve left in front of them. Now about 50% of driveway exits cheat across the central island, but it works just fine. After six years with no raised islands, a central island was built on 3 Nov 2020: 20 feet in diameter, 4 inches high, designed for asphalt but built with PCC.
Town of Meyers, CA
El Dorado Co.
United States 		US 50 / SR 89
(38.85101, -120.02231) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
35.3445 		Other (At-Grade)
Single-Lane 		2019 Completed Sept. 2019. WB US-50 may choose physically separated bypass lane. Site is on Caltrans live video map: http://cwwp2.dot.ca.gov/vm/iframemap.htm Zoom in on Lake Tahoe (center right portion of map). Choose second camera south of the lake (Meyers). ICD estimated from Google Maps linework.
Olivehurst, CA
Yuba Co.
United States 		Oliverhurst Ave. / Powerline Rd. / Chestnut Rd.
(39.10142, -121.55111) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2018
Pinecrest, CA
Tuolumne Co.
United States 		Lakeshore Dr. / Rustic Rd.
(38.19015, -119.99059) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2019 Primarily intended to provide a final turnaround opportunity for RVs and buses within the Pinecrest Recreation Area (see http://pinecrestlakeupdate.com/images/uploads/100421_Pinecrest_TCP_Plan_For_FERC.pdf). Painted splitter islands.
Truckee, CA
Placer Co.
United States 		Northstar Dr. / Ridgeline Dr.
(39.28647, -120.10701) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.6735 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
San Luis Obispo, CA
San Luis Obispo Co.
United States 		Tank Farm Rd. / Righetti Ranch Rd.
(35.25019, -120.63318) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.3341 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
San Marcos, CA
San Diego Co.
United States 		Rock Springs Rd. / Larchwood Dr.
(33.14705, -117.13669) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
18.9995 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
San Marcos, CA
San Diego Co.
United States 		Rock Springs Rd. / Richland Rd.
(33.14671, -117.13885) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
20.9996 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
San Marcos, CA
San Diego Co.
United States 		Santa Barbara Dr. / Treasure Dr.
(33.12251, -117.17275) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
28.0071 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
San Marcos, CA
San Diego Co.
United States 		Santa Barbara Dr. / Village Dr.
(33.12156, -117.17000) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
23.0061 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Colfax, CA
Placer Co.
United States 		S Auburn St. / I-80 WB Ramps / (unknown)
(39.09472, -120.95079) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.5154 		Freeway Ramps (Grade-Separated)
Single-Lane 		2019 City of Colfax is lead agency; Caltrans, Placer County, and developer mitigation funds paid for it. Expected completion 2019. Current configuration is a tee intersection; after construction there will be a fourth leg. ICD estimated from Google Maps linework.
Kensington, CA
Contra Costa Co.
United States 		Kensington Circle (Colusa Ave. / Oak View Ave. / Berkeley Park Blvd.)
(37.89957, -122.28708) 		Other
Existing 		All-Way Stop
None 		6 Approaches
0 Driveways
30.1578 		Other (At-Grade)
Single-Lane 		Stop control, parking along circulatory roadway. In 1992 the central island was a narrow oval on the NW-SE diagonal and traffic moved too fast. Over the years Contra Costa County has widened the island, closer to a circle, with paint and rumble strips, and slowed the traffic. 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.
San Francisco, CA
San Francisco Co.
United States 		Juan Bautista Circle
(37.71804, -122.47795) 		Other
Existing 		All-Way Stop
Unknown 		7 Approaches
0 Driveways
120.9281 		Other (At-Grade)
Single-Lane 		1950 ICD estimated from Google Maps linework.
Los Angeles, CA
Los Angeles Co.
United States 		S Orange Grove Ave. / S Ogden Dr.
(34.06618, -118.35985) 		Other
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
23.7449 		Other (At-Grade)
Single-Lane 		1950 ICD estimated from Google Maps linework.