Roundabouts Database

29869 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
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.
Encinitas, CA
San Diego Co.
United States 		Leucadia Blvd / Hymettus Ave
(33.06470, -117.29620) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
21.0192 		Other (At-Grade)
Single-Lane 		2004 Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Encinitas, CA
San Diego Co.
United States 		Leucadia Blvd / Hermes Ave
(33.06482, -117.30010) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
18.0164 		Other (At-Grade)
Single-Lane 		2004 Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		5th St. / Cantrill Dr.
(38.55160, -121.72010) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.9547 		Other (At-Grade)
Single-Lane 		1998 Police station on SW corner. Date estimated. ICD estimated from Google Maps linework.
Woodland, CA
Yolo Co.
United States 		Gum Ave. / Bourn Dr.
(38.66820, -121.74710) 		Roundabout
Removed 		All-Way Yield
None 		4 Approaches
0 Driveways
64.3428 		Other (At-Grade)
Single-Lane 		2008 Built as temporary in 2002. Temporary removed in 2008 and converted to AWSC. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Moore Blvd. / Rockwell Dr.
(38.56830, -121.72630) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.2127 		Other (At-Grade)
Single-Lane 		1999 Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Moore Blvd. / Wright Blvd.
(38.56490, -121.71860) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.2801 		Other (At-Grade)
Single-Lane 		1999 Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Calabasas, CA
Los Angeles Co.
United States 		Parkway Calabasas / Camino Portal
(34.13878, -118.65890) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.6442 		Other (At-Grade)
Single-Lane 		2001 Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Originally double-lane roundabout. Parkway Calabasas approaches tapered to single-lane in advance of entry by striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Santa Monica, CA
Los Angeles Co.
United States 		26th St. / Washington Ave.
(34.03876, -118.48070) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.8041 		Other (At-Grade)
Single-Lane 		2005 20,000 ADT on 26th, 2000 on Washington Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Fullerton, CA
Orange Co.
United States 		Valencia Mesa Dr. / Laguna Rd.
(33.89254, -117.92960) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.8365 		Other (At-Grade)
Single-Lane 		2008 Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
La Quinta, CA
Riverside Co.
United States 		Avenida Montezuma / Avenida Navarro
(33.67616, -116.30460) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2007 Modified from former geometrics to conform to roundabout. 21442
La Quinta, CA
Riverside Co.
United States 		Seeley Dr. / (unknown)
(33.72054, -116.29200) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.8083 		Other (At-Grade)
Single-Lane 		2008 Functional Class: Collector ICD estimated from Google Maps linework.
Rancho Cucamonga, CA
San Bernardino Co.
United States 		Day Creek Blvd. / (unknown)
(34.10504, -117.53720) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
2 Driveways
34.6121 		Other (At-Grade)
Single-Lane 		2005 Right Turn Bypass Lane Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Long Beach, CA
Los Angeles Co.
United States 		Ximeno Ave. / Vista St.
(33.76626, -118.14160) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
13.9000 		Other (At-Grade)
Single-Lane 		2010 Bicycle Boulevard on Vista St Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Long Beach, CA
Los Angeles Co.
United States 		Park Ave. / Vista St.
(33.76628, -118.13720) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
13.9000 		Other (At-Grade)
Single-Lane 		2010 Bicycle Boulevard along Vista St Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Fillmore, CA
Ventura Co.
United States 		River St. / Surrey Way
(34.39410, -118.91950) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
38.4355 		Other (At-Grade)
Single-Lane 		2003 Traffic Calming Circle with Truck Apron Previously controlled by two-way stop Functional Class: Local ICD estimated from Google Maps linework.
Fillmore, CA
Ventura Co.
United States 		River St. / Reading St.
(34.39330, -118.92510) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		3 Approaches
0 Driveways
71.9441 		Other (At-Grade)
Single-Lane 		2003 Features truck apron and modified curb lines. Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework.
Long Beach, CA
Los Angeles Co.
United States 		Cover St. / Worsham Ave.
(33.82769, -118.14620) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.7094 		Other (At-Grade)
Single-Lane 		2009 Functional Class: Collector ICD estimated from Google Maps linework.
Orange, CA
Orange Co.
United States 		Riverbend Pkwy. / Shadyvale St.
(33.83915, -117.85510) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7445 		Other (At-Grade)
Single-Lane 		2008 Functional Class: Local ICD estimated from Google Maps linework.
Yuba City, CA
Sutter Co.
United States 		Plumas Blvd. / Percy Ave. / Morton St.
(39.12678, -121.61565) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		2004
Santa Barbara, CA
Santa Barbara Co.
United States 		Cabrillo Blvd. / Coast Village Rd. / Hot Springs Rd.
(34.42272, -119.65268) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009
Redding, CA
Shasta Co.
United States 		Shasta View Dr. / Inspiration Pl.
(40.59578, -122.32500) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.9026 		Other (At-Grade)
Single-Lane 		2009 In a new school zone Functional Class: Arterial ICD estimated from Google Maps linework.
Grass Valley, CA
Nevada Co.
United States 		E. Main St. / Idaho-Maryland Rd. / SR 20 WB Ramps
(39.22168, -121.05380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2008 Yield-controlled right-turn bypass lane on north leg with very shallow angle. Left-turn-only lane on east leg.
Morro Bay, CA
San Luis Obispo Co.
United States 		Morro Bay Blvd. / Quintana Rd.
(35.36641, -120.84100) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
31.1659 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 ICD estimated from Google Maps linework.
North Auburn, CA
Placer Co.
United States 		Willow Creek / 1st St.
(38.93790, -121.10060) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
38.0883 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Ladera Ranch, CA
Orange Co.
United States 		Michael Rd. / Cambridge Ethereal Rd.
(33.53294, -117.64460) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.8800 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
San Diego, CA
San Diego Co.
United States 		La Jolla Blvd. / Forward St.
(32.81379, -117.26950) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
22.0827 		Other (At-Grade)
Single-Lane 		2008 Series of 5 roundabouts. ICD estimated from Google Maps linework.
San Diego, CA
San Diego Co.
United States 		La Jolla Hermosa Ave. / Forward St.
(32.81402, -117.26840) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
25.0939 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
San Diego, CA
San Diego Co.
United States 		La Jolla Blvd. / Bird Rock Ave.
(32.81559, -117.27060) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
21.0785 		Other (At-Grade)
Single-Lane 		2008 Series of 5 roundabouts. ICD estimated from Google Maps linework.
San Diego, CA
San Diego Co.
United States 		Bird Rock Ave. / Chelsea Ave.
(32.81540, -117.27162) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
13.7160 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Earth.
Mecca, CA
Riverside Co.
United States 		Hammond Rd. / 4th St.
(33.57183, -116.07794) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2013 Double-track railroad with at-grade rail crossing on the southwest leg (4th Street) approximately 200 feet from the roundabout. A signalized intersection is located on the opposite side of the at-grade rail crossing approximately 230 feet from the rail crossing. Merging right-turn bypass lane on the southwest leg.
San Diego, CA
San Diego Co.
United States 		La Jolla Blvd. / Camino de la Costa
(32.81756, -117.27190) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
23.0854 		Other (At-Grade)
Single-Lane 		2008 Series of 5 roundabouts. ICD estimated from Google Maps linework.
Azusa, CA
Los Angeles Co.
United States 		Sierra Madre Ave. / Vosberg Dr.
(34.14674, -117.90260) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.5835 		Other (At-Grade)
Single-Lane 		2008 Built near a single-family housing project that was previously a large nursery. ICD estimated from Google Maps linework.
Azusa, CA
Los Angeles Co.
United States 		Sierra Madre Ave. / Macneil Dr.
(34.14662, -117.89040) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.5835 		Other (At-Grade)
Single-Lane 		2008 Built on single-family home project that was previously a large nursery. ICD estimated from Google Maps linework.
Azusa, CA
Los Angeles Co.
United States 		The Promenade / (unknown)
(34.13805, -117.89310) 		Other
Existing 		Unknown
None 		3 Approaches
0 Driveways
34.5986 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
San Diego, CA
San Diego Co.
United States 		Sea Ridge Dr. / Chelsea St.
(32.80875, -117.26520) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.0801 		Other (At-Grade)
Single-Lane 		2007 Marginal roundabout. No splitter islands. ICD estimated from Google Maps linework.
Cabazon, CA
Riverside Co.
United States 		Apache Trl. / I-10 EB Ramps
(33.92071, -116.80680) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		3 Approaches
0 Driveways
54.5087 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2008 Opened July 11, 2008. http://www.pe.com/localnews/rivcounty/stories/PE_News_Local_S_circle21.46d763e.html. Railroad in close proximity. ICD estimated from Google Maps linework.
Cabazon, CA
Riverside Co.
United States 		Apache Trl. / Thunder Rd. / Seminole Dr. / I-10 WB Ramps
(33.92192, -116.80610) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
79.2480 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2008 Opened July 11, 2008. http://www.pe.com/localnews/rivcounty/stories/PE_News_Local_S_circle21.46d763e.html.
Sacramento, CA
Sacramento Co.
United States 		Rush River Dr. / Windbridge Dr.
(38.48465, -121.53360) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
32.7212 		Other (At-Grade)
Single-Lane 		2007 Functional Class: Local ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		Silva Ranch Way / (unknown)
(38.47686, -121.52680) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
61.7094 		Other (At-Grade)
Single-Lane 		2007 Functional Class: Local ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		Coleman Ranch Way / (unknown)
(38.47739, -121.52340) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
139.3127 		Other (At-Grade)
Single-Lane 		2007 Functional Class: Local ICD estimated from Google Maps linework.
Woodland, CA
Yolo Co.
United States 		Miekle Ave. / Galvin Way
(38.65156, -121.73590) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.1162 		Other (At-Grade)
Single-Lane 		2006 Previously controlled by new ICD estimated from Google Maps linework.
Woodland, CA
Yolo Co.
United States 		Promenade Dr. / Somerset Cir.
(38.64501, -121.73150) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7154 		Other (At-Grade)
Single-Lane 		2007 Functional Class: Local ICD estimated from Google Maps linework.
Woodland, CA
Yolo Co.
United States 		Campos Ave. / Mack Way / Shoemaker Ct.
(38.64920, -121.73140) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1843 		Other (At-Grade)
Single-Lane 		2007 Functional Class: Local ICD estimated from Google Maps linework.
Woodland, CA
Yolo Co.
United States 		Campos Ave. / Ortiz Ave.
(38.65290, -121.73120) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.7792 		Other (At-Grade)
Single-Lane 		2007 Functional Class: Local ICD estimated from Google Maps linework.
Palo Alto, CA
Santa Clara Co.
United States 		Addison Ave. / Bryant St.
(37.44197, -122.15540) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
15.1722 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Palo Alto, CA
Santa Clara Co.
United States 		Lytton Ave. / Fulton St.
(37.45214, -122.15750) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
9.4813 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Palo Alto, CA
Santa Clara Co.
United States 		Park Blvd. / Park Ave.
(37.43076, -122.14980) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
24.6585 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Cupertino, CA
Santa Clara Co.
United States 		Portal Ave. / Wheaton Dr.
(37.32445, -122.01964) 		Traffic Calming Circle
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2001 Year Completed estimated (2000-2002).
Hayward, CA
Alameda Co.
United States 		Orchard Ave. / Joyce St.
(37.65808, -122.07850) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.9103 		Other (At-Grade)
Single-Lane 		2000 Painted splitter islands. Built as temporary in February 2000, reconstructed permanent central island 2001 (http://ci.hayward.ca.us/citygov/meetings/cca/rp/2000/rp091900-05.pdf). ICD estimated from Google Maps linework.
El Cajon, CA
San Diego Co.
United States 		Murray Ave. / W. Main St. / Blackthorne Ave. / S. Westwind Dr.
(32.79107, -116.98510) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
32.1284 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Escalon, CA
San Joaquin Co.
United States 		1st Ave. / Riesling Way
(37.79437, -121.01140) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.8755 		Other (At-Grade)
Single-Lane 		2000 Painted splitter islands. ICD estimated from Google Maps linework.
Santa Maria, CA
Santa Barbara Co.
United States 		S. College Dr. / Southside Pkwy.
(34.92111, -120.42530) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.0676 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Santa Maria, CA
Santa Barbara Co.
United States 		S. College Dr. / E. McCoy Ln.
(34.91648, -120.42510) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8427 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 No circulatory roadway striping. Fatal crash October 15, 2009. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework.
Santa Maria, CA
Santa Barbara Co.
United States 		S. Bradley Rd. / Southside Pkwy.
(34.92075, -120.42200) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.0056 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Santa Maria, CA
Santa Barbara Co.
United States 		S. Bradley Rd. / E. McCoy Ln.
(34.91219, -120.42160) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.8868 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Pearson, CA
Yuba Co.
United States 		Winter Rock Dr. / Empress St. / (unknown)
(39.05637, -121.56950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.3714 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2005 ICD estimated from Google Maps linework.
Pearson, CA
Yuba Co.
United States 		Winter Rock Dr. / Night Heron St. / (unknown)
(39.06063, -121.56750) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.5138 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States 		Parkside Way / New Meadow Dr.
(38.79915, -121.32150) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
26.9931 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States 		Parkside Way / McCloud Way
(38.79916, -121.33110) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.0623 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States 		Parkside Way / Diamond Creek Blvd.
(38.79791, -121.33400) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.8552 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Stockton, CA
San Joaquin Co.
United States 		Gold Brook Dr. / Tiamo Way
(37.99885, -121.27640) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.3524 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Stockton, CA
San Joaquin Co.
United States 		Gold Brook Dr. / Cabin Creek St.
(38.00138, -121.27230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.4104 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Stockton, CA
San Joaquin Co.
United States 		Tiamo Way / Hayden Brook Dr.
(37.99749, -121.27590) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.0000 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Redondo Beach, CA
Los Angeles Co.
United States 		Calle Miramar / Paseo de la Playa
(33.81518, -118.38960) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.8690 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States 		Reserve Dr. / Fountains Driveway
(38.76793, -121.27090) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.1106 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States 		Reserve Dr. / Diamond Oaks Rd.
(38.76679, -121.27120) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.7990 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.