28787 Results

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


Search
Advanced Search Export as KML
City, State
County
Country
Intersection
(Lat, Lng)
Type
Status
Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType
Year Completed Comments
Walnut Creek, CA
Alameda Co.
United States
Walnut Ave. / Oak Grove Rd.
(37.91432, -122.00770)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
22.6138
Other (At-Grade)
Single-Lane
2000 Right turn bypass lane in northwest quadrant. ICD estimated from Google Maps linework.
Vallejo, CA
Solano Co.
United States
Azuar Ave. / Sundance Ave. / Bagley St. / Walnut Ave.
(38.09329, -122.27020)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
48.8772
Other (At-Grade)
Single-Lane
2006 ICD estimated from Google Maps linework.
Hercules, CA
Contra Costa Co.
United States
Refugio Valley Rd. / Redwood Rd. / Falcon Way
(37.99686, -122.24780)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.8238
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Ripon, CA
San Joaquin Co.
United States
Fulton Ave. / Colony Rd.
(37.75384, -121.13190)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.3261
Other (At-Grade)
Single-Lane
2006 ICD estimated from Google Maps linework.
Ripon, CA
San Joaquin Co.
United States
Fulton Ave. / Santos Ave.
(37.75781, -121.13350)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
41.5467
Other (At-Grade)
Single-Lane
2006 ICD estimated from Google Maps linework.
Ripon, CA
San Joaquin Co.
United States
Fulton Ave. / Werner Dr. / Wilma Ave.
(37.74446, -121.13550)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
55.7204
Other (At-Grade)
Single-Lane
2006 One leg is skewed. ICD estimated from Google Maps linework.
Petaluma, CA
Sonoma Co.
United States
Corona Rd. / Sonoma Mountain Pkwy.
(38.26890, -122.65450)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
31.8812
Other (At-Grade)
Single-Lane
2002 ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States
Promenade Cir. / (unknown)
(38.63732, -121.49950)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.5175
Other (At-Grade)
Single-Lane
2006 Inside commercial/office park. ICD estimated from Google Maps linework.
Fresno, CA
Fresno Co.
United States
Belmont Circle (Belmont Ave. / Motel Dr. / Arthur Ave. / Wesley Ave. / Thorne Ave.)
(36.75051, -119.81530)
Other
Existing
Unknown
Unknown
5 Approaches
0 Driveways
104.3080
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Venice, CA
Los Angeles Co.
United States
Windward Ave. / Main St. / Grand Blvd.
(33.98816, -118.47100)
Other
Existing
Unknown
Unknown
5 Approaches
0 Driveways
48.5238
Other (At-Grade)
Multilane (2 Lane, unspecified)
ICD estimated from Google Maps linework.
San Clemente, CA
Orange Co.
United States
Calle Las Bolsa / Boca de la Playa
(33.43215, -117.63000)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
22.9244
Other (At-Grade)
Single-Lane
2006 Functional Class: Local ICD estimated from Google Maps linework.
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.
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.
Petaluma, CA
Sonoma Co.
United States
Magnolia Ave. / Elm Dr.
(38.24586, -122.65600)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
20.6356
Other (At-Grade)
Single-Lane
2006 Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Petaluma, CA
Sonoma Co.
United States
Windsor Dr. / West Haven Way
(38.22460, -122.66430)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
30.0241
Other (At-Grade)
Single-Lane
2005 Functional Class: Collector ICD estimated from Google Maps linework.
Petaluma, CA
Sonoma Co.
United States
Petaluma Blvd. S / Caulfield Ln.
(38.22730, -122.61820)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.3434
Other (At-Grade)
Single-Lane
2011 Construction began spring 2011. Functional Class: Arterial ICD estimated from Google Maps linework.
Castaic, CA
Los Angeles Co.
United States
Hasley Canyon Rd. / I-5 NB Ramps
(34.45605, -118.61520)
Roundabout
Existing
All-Way Yield
None
2 Approaches
0 Driveways
41.3614
Other (At-Grade)
Single-Lane
2009 ICD estimated from Google Maps linework.
Yuba City, CA
Sutter Co.
United States
Butte Vista Ln. / Tres Picos Ln.
(39.16908, -121.64820)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
26.8524
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Petaluma, CA
Sonoma Co.
United States
McDowell Blvd. / Baywood Dr.
(38.24036, -122.61010)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
23.4513
Other (At-Grade)
Single-Lane
2008 ICD estimated from Google Maps linework.
Irvine, CA
Orange Co.
United States
Sand Canyon Ave. / Shady Canyon Dr.
(33.65462, -117.78100)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
104.3859
Other (At-Grade)
Multilane (2 Lane, unspecified)
2001 ICD estimated from Google Maps linework.
Irvine, CA
Orange Co.
United States
Laguna Canyon Rd. / Quail Hill
(33.64756, -117.76640)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
57.6655
Other (At-Grade)
Multilane (2 Lane, unspecified)
2003 One approach leads to an unfinished road ICD estimated from Google Maps linework.
Palmdale, CA
Los Angeles Co.
United States
Palmdale Blvd. (SR 138) / 47th St. / 50th St.
(34.58010, -118.04510)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
57.9120
Other (At-Grade)
Multilane (2 Lane, unspecified)
2009 Modified 2019-2020 to add lanes. 21442
Castaic, CA
Los Angeles Co.
United States
Hasley Canyon Rd. / The Old Road
(34.45592, -118.61730)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
52.1943
Other (At-Grade)
Multilane (2 Lane, unspecified)
2009 ICD estimated from Google Maps linework.
Yuba City, CA
Sutter Co.
United States
Stabler Ln. / Butte Vista Ln.
(39.16747, -121.64400)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
46.2983
Other (At-Grade)
Single-Lane
2006 ICD estimated from Google Maps linework.
Truckee, CA
Nevada Co.
United States
Hwy 89 / Henness Rd. / Donner Pass Rd.
(39.34103, -120.17220)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
52.6496
Other (At-Grade)
Multilane (2 Lane, unspecified)
2008 Functional Class: Arterial ICD estimated from Google Maps linework.
Truckee, CA
Nevada Co.
United States
Prosser Dam Rd. / Henness Rd.
(39.34961, -120.16790)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
29.5541
Other (At-Grade)
Single-Lane
2006 ICD estimated from Google Maps linework.
Ripon, CA
San Joaquin Co.
United States
N. Ripon Rd. / River Rd.
(37.76120, -121.12460)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.7122
Other (At-Grade)
Single-Lane
2008 Fatal crash June 10, 2012. 11861-05. ICD estimated from Google Maps linework.
San Diego, CA
San Diego Co.
United States
La Jolla Hermosa Ave. / Colima St.
(32.81139, -117.26600)
Traffic Calming Circle
Existing
Other
None
4 Approaches
0 Driveways
53.2006
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States
Old Davis Rd. / California Ave.
(38.53318, -121.75180)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
31.7649
Other (At-Grade)
Single-Lane
2011 Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States
Northborough Dr. / Heritage Park Ln. / Rose Arbor Dr.
(38.68221, -121.51550)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
23.3081
Other (At-Grade)
Single-Lane
2002 ICD estimated from Google Maps linework.
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.
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).
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.
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.
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.
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.
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
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.
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.
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.
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
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.
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.
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.
Reedley, CA
Fresno Co.
United States
Dinuba Ave. / Buttonwillow Ave.
(36.58965, -119.43090)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.3172
Other (At-Grade)
Single-Lane
2010 November 2010. ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States
Westhills Dr. / Morningstar Dr. / St. Basil Cir.
(38.76151, -121.35340)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
32.5951
Other (At-Grade)
Single-Lane
2001 Crosswalks adjacent to circle. ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States
Park Regency Dr. / Hiawatha Dr. / Sharifa Way / Bottlebrush Cir.
(38.76105, -121.34870)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
37.2518
Other (At-Grade)
Single-Lane
2001 Crosswalks adjacent to circle. ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States
Park Regency Dr. / Castlebridge Dr. / Hillingdon St.
(38.75455, -121.34680)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
32.5983
Other (At-Grade)
Single-Lane
2001 Crosswalks adjacent to circle. ICD estimated from Google Maps linework.
Sausalito, CA
Marin Co.
United States
Conzelman Rd. / McCullough Rd.
(37.83361, -122.49400)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
29.2415
Other (At-Grade)
Single-Lane
2010 ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States
Valley Ave. / (unknown)
(37.65670, -121.89670)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
28.3660
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States
Valley Ave. / E Gate Way
(37.65487, -121.89530)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.3667
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States
Valley Ave. / Oak Vista Way
(37.65349, -121.89390)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
27.4216
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States
Valley Ave. / Pleasanton Ave. / Laguna Creek Ln.
(37.65175, -121.89043)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2000
Pleasanton, CA
Alameda Co.
United States
Pleasanton Ave. / (park access #1)
(37.65266, -121.88980)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2008
Pleasanton, CA
Alameda Co.
United States
Pleasanton Ave. / (park access #2)
(37.65350, -121.88784)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2008 Painted splitter island on north leg.
Chico, CA
Butte Co.
United States
Manzanita Ave. / Hooker Oak Ave.
(39.75974, -121.79950)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.4617
Other (At-Grade)
Single-Lane
2009 Adjacent to park. ICD estimated from Google Maps linework.
Chico, CA
Butte Co.
United States
Manzanita Ave. / Vallombrosa Ave.
(39.75850, -121.79620)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
26.6260
Other (At-Grade)
Single-Lane
2009 Adjacent to park. ICD estimated from Google Maps linework.
Chico, CA
Butte Co.
United States
Manzanita Ave. / Wildwood Ave. / East Ave. / Eaton Rd.
(39.76229, -121.80540)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.3958
Other (At-Grade)
Multilane (2 Lane, unspecified)
2009 Adjacent to fire station. ICD estimated from Google Maps linework.
Lindsay, CA
Tulare Co.
United States
Hermosa St. / Elmwood Ave.
(36.20495, -119.09130)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
23.1292
Other (At-Grade)
Single-Lane
2010 ICD estimated from Google Maps linework.
Escalon, CA
San Joaquin Co.
United States
Riesling Way / California St.
(37.79671, -121.01110)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
18.8749
Other (At-Grade)
Single-Lane
2002 ICD estimated from Google Maps linework.
Goleta, CA
Santa Barbara Co.
United States
Lagoon Rd. / Mesa Rd.
(34.41491, -119.83930)
Other
Existing
All-Way Yield
None
3 Approaches
0 Driveways
33.4993
Other (At-Grade)
Multilane (2 Lane, unspecified)
2006 At the University of California Santa Barbara college campus. Right-turn bypass lane. Bus bays along circulatory roadway. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States
Hutchison Dr. / Campbell Rd.
(38.53686, -121.77170)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
36.4343
Other (At-Grade)
Multilane (2 Lane, unspecified)
2010 Near University of California Davis college campus. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States
Hutchison Dr. / Hutchison Pl. / Sage St.
(38.53933, -121.77160)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2010 Near University of California Davis college campus. Constructed initially as two-lane roundabout; converted to single-lane in 2020-2022.
Coronado, CA
San Diego Co.
United States
Pomona Ave. / 7th St. / Adella Ave.
(32.68808, -117.17250)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.4800
Other (At-Grade)
Single-Lane
2008 Installed initially as temporary construction with no landscaping in 2008. Made permanent in 2014.
Riverbank, CA
Stanislaus Co.
United States
Crawford Rd. / Homewood Way
(37.71818, -120.94930)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.3480
Other (At-Grade)
Single-Lane
2003 Bike lanes in circulatory roadway in 2010 photo. ICD estimated from Google Maps linework.
Riverbank, CA
Stanislaus Co.
United States
Chancellor Way / Gallery Dr.
(37.72000, -120.95440)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
24.5629
Other (At-Grade)
Single-Lane
2003 Residential area. ICD estimated from Google Maps linework.
Riverbank, CA
Stanislaus Co.
United States
Chancellor Way / Novi Dr.
(37.72214, -120.95440)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.3963
Other (At-Grade)
Single-Lane
2003 Residential area near park. ICD estimated from Google Maps linework.
Riverbank, CA
Stanislaus Co.
United States
Antique Rose Way / Novi Dr.
(37.72203, -120.95680)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
85.0230
Other (At-Grade)
Single-Lane
2008 Small diameter, no splitter islands, near park. ICD estimated from Google Maps linework.