Roundabouts Database

29465 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
Middleton, ID
Canyon Co.
United States 		Emmett Rd. / Willis Rd.
(43.72082, -116.65264) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.8843 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Middleton, ID
Canyon Co.
United States 		Emmett Rd. / 9th St.
(43.71535, -116.65284) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.4355 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Caldwell, ID
Canyon Co.
United States 		S Lake Ave. / E Ustick Rd.
(43.63389, -116.65306) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.4409 		Other (At-Grade)
Single-Lane 		2016 Right-turn-only lanes on east and west legs. ICD estimated from Google Maps linework.
Caldwell, ID
Canyon Co.
United States 		E Ustick Rd. / S Florida Ave.
(43.63368, -116.66307) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2023 Right-turn-only lanes on all four legs. https://www.youtube.com/watch?v=JWNlWwth3l8.
Caldwell, ID
Canyon Co.
United States 		S Indiana Ave. / Homedale Rd.
(43.61892, -116.67299) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2019
Caldwell, ID
Canyon Co.
United States 		E Ustick Rd. / Indiana Ave.
(43.63363, -116.67304) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.3055 		Other (At-Grade)
Single-Lane 		2013 date: https://caldwellguardian.blogspot.com/2013/08/new-roundabout-at-ustick-and-indiana.html ICD estimated from Google Maps linework.
Hayden, ID
Kootenai Co.
United States 		E Honeysuckle Ave. / 4th St.
(47.75139, -116.77538) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2022 https://cdapress.com/news/2022/jul/11/hayden-celebrates-first-roundabout/
Dalton Gardens, ID
Kootenai Co.
United States 		4th St. / Hanley Ave.
(47.72981, -116.77610) 		Roundabout
Existing 		All-Way Yield
Active Pedestrian Warning (flashing yellow) 		4 Approaches
0 Driveways
32.1335 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Coeur dAlene, ID
Kootenai Co.
United States 		4th St. / Margaret Ave.
(47.71537, -116.77880) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.1602 		Other (At-Grade)
Single-Lane 		2003 Near high school. ICD estimated from Google Maps linework.
Hayden, ID
Kootenai Co.
United States 		ID 53 / Government Way / Pope Rd.
(47.81844, -116.78608) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2020 https://itd.idaho.gov/news/new-interchange-at-us-95-and-idaho-highway-53-now-open/
Coeur d'Alene, ID
Kootenai Co.
United States 		River Ave. / Hubbard Ave.
(47.67905, -116.79469) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
29.7525 		Other (At-Grade)
Single-Lane 		2011 One of three roundabouts in North Idaho College Education Corridor. ICD estimated from Google Maps linework.
Coeur d'Alene, ID
Kootenai Co.
United States 		College Dr. / Hubbard Ave.
(47.68015, -116.79538) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.7519 		Other (At-Grade)
Single-Lane 		2012 One of three roundabouts in North Idaho College Education Corridor. Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Coeur d'Alene, ID
Kootenai Co.
United States 		College Dr. / W River Ave.
(47.67912, -116.79816) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.5566 		Other (At-Grade)
Single-Lane 		2011 One of three roundabouts in North Idaho College Education Corridor. 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.
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.
Coeur D'Alene, ID
Kootenai Co.
United States 		W Hanley Ave. / N Courcelles Pkwy.
(47.73020, -116.81799) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.9366 		Other (At-Grade)
Single-Lane 		2001 Year Completed estimated (1998-2004). ICD estimated from Google Maps linework.
Hayden, ID
Kootenai Co.
United States 		N Courcelles Pkwy. / N Chateaux Dr.
(47.74785, -116.82456) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2005
Coeur d'Alene, ID
Kootenai Co.
United States 		W Hanley Ave. / N Cornwall St.
(47.73014, -116.82652) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.1333 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Coeur d'Alene, ID
Kootenai Co.
United States 		W Seltice Way / N Atlas Rd.
(47.70063, -116.82790) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
46.6197 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 ICD estimated from Google Maps linework.
Coeur d'Alene, ID
Kootenai Co.
United States 		W Princetown Ln. / Talon Ln. / W Newbrook Dr.
(47.74090, -116.83576) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.5520 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (1998-2004). ICD estimated from Google Maps linework.
Coeur d'Alene, ID
Kootenai Co.
United States 		W Seltice Way / N Grand Mill Ln. / W Idlewild Loop
(47.70250, -116.83920) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
36.9729 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 ICD estimated from Google Maps linework.
Big Bear Lake, CA
San Bernardino Co.
United States 		Moonridge Rd. / Rathbun Dr. / Club View Dr.
(34.23967, -116.86952) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 Peanut shaped. https://www.youtube.com/watch?v=wfZy_7SYJvg (starts at 2:10)
Rathdrum, ID
Kootenai Co.
United States 		N Meyer Rd. / W Boekel Rd.
(47.80285, -116.87229) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2024
Lakeside, CA
San Diego Co.
United States 		Harry Hertzberg Way / Founders Way
(32.93779, -116.87303) 		Other
Existing 		All-Way Stop
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Stop control on circulatory roadway and on all entries.
Big Bear Lake, CA
San Bernardino Co.
United States 		Moonridge Rd. / Elm St.
(34.24075, -116.87464) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 https://www.youtube.com/watch?v=wfZy_7SYJvg (starts at 1:10)
Rathdrum, ID
Kootenai Co.
United States 		W Majestic Ave. / Thayer St.
(47.79216, -116.87749) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006).
Post Falls, ID
Kootenai Co.
United States 		W Prairie Ave. / Fennecus Rd.
(47.74478, -116.88383) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 South leg is gravel road. https://cdapress.com/news/2023/oct/31/prairie-avenue-highway-41-re-opens/
Post Falls, ID
Kootenai Co.
United States 		E Hope Ave. / N Damascus Rd.
(47.73751, -116.88406) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2019 North leg stubbed. Year Completed estimated (2018-2020).
Post Falls, ID
Kootenai Co.
United States 		W Prairie Ave. / Zorros Rd.
(47.74482, -116.88889) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 https://cdapress.com/news/2023/oct/31/prairie-avenue-highway-41-re-opens/
Post Falls, ID
Kootenai Co.
United States 		N Charleville Rd. / E Hope Ave.
(47.73763, -116.90082) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2015-2016).
Post Falls, ID
Kootenai Co.
United States 		E Poleline Ave. / N Cecil Rd.
(47.73044, -116.90517) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.postfalls.gov/poleline-cecil-project/
Post Falls, ID
Kootenai Co.
United States 		E Poleline Ave. / N Syringa St.
(47.73046, -116.92663) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.9697 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Post Falls, ID
Kootenai Co.
United States 		N Syringa St. / Bogie Dr.
(47.73373, -116.92700) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.5573 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Post Falls, ID
Kootenai Co.
United States 		E Poleline Ave. / N Idaho St.
(47.73053, -116.93738) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.6732 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Post Falls, ID
Kootenai Co.
United States 		W Prairie Ave. / N Idaho St.
(47.74509, -116.93746) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 At-grade rail crossing approximately 350 feet to west.
Post Falls, ID
Kootenai Co.
United States 		Poleline Ave. / N Spokane St.
(47.73053, -116.94794) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.3464 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Post Falls, ID
Kootenai Co.
United States 		W Prairie Ave. / Spokane St.
(47.74500, -116.94847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 https://www.postfalls.gov/city_info/Project%20Updates/PrairieSpokane1121.pdf
Chula Vista, CA
San Diego Co.
United States 		Evening Star St. / Windingwalk St.
(32.62644, -116.95313) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Partial painted splitter islands.
Golden, BC
Columbia-Shuswap
Canada 		Golden View Rd. / Golden Donald Upper Rd. / Lafontaine Rd.
(51.30198, -116.95406) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5889 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2006-2012). 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.
Post Falls, ID
Kootenai Co.
United States 		W Prairie Ave. / N Chase Rd.
(47.74515, -116.95907) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2018
Chula Vista, CA
San Diego Co.
United States 		Exploration Falls Dr & Discovery Falls Dr
(32.62407, -116.95973) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Painted splitter islands, parking along circulatory roadway.
Lewiston Orchards, ID
Nez Perce Co.
United States 		Powers Ave. / Thain Rd. / 14th St.
(46.36927, -116.96010) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
14.8337 		Other (At-Grade)
Single-Lane 		2017 Opened November 3, 2017. https://lmtribune.com/northwest/roundabout-draws-a-yellow-flag/article_137af938-33cf-51a8-b75e-5c38559e8800.html ICD estimated from Google Maps linework.
Moscow, ID
Latah Co.
United States 		E White Ave. / Joseph St. / Robinson Park Rd. / Notting Hill Dr.
(46.72564, -116.96826) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5668 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Moscow, ID
Latah Co.
United States 		S Mountain View Rd. / E 6th St.
(46.73023, -116.98020) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2022
Post Falls, ID
Kootenai Co.
United States 		W Prairie Ave. / N McGuire Rd.
(47.74518, -116.98054) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2011
Lewiston, ID
Nez Perce Co.
United States 		Burrell Ave. / 10th St.
(46.37674, -116.98085) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2880 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023 https://www.bigcountrynewsconnection.com/idaho/roundabout-at-intersection-of-10th-and-burrell-in-lewiston-open-ahead-of-schedule/article_0bb0faba-e2d5-11ed-94af-bbe6e3f10fea.html
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.
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.
Chula Vista, CA
San Diego Co.
United States 		Santa Victoria Rd. / Santa Diana Rd. / State St.
(32.61761, -116.98740) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2008
Chula Vista, CA
San Diego Co.
United States 		Santa Victoria Rd. / Santa Carolina Rd.
(32.61166, -116.99747) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2014
(unincorporated), ID
Kootenai Co.
United States 		W Prairie Ave. / N Pleasant View Rd.
(47.74537, -117.00199) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2021 At-grade rail crossing approximately 200 ft to south of roundabout controlled by signals and gates. At-grade rail crossing (2 tracks) approximately 320 ft to west of roundabout that is yield controlled. Year Completed estimated (2020-2021).
Cairo, OR
Malheur Co.
United States 		US 20-US 26 / SR 201 (Cairo Ln.) / (parking)
(43.98916, -117.00603) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2024 https://www.malheurenterprise.com/2024/07/11/as-cairo-junction-roundabout-opens-first-local-reviews-are-coming-in-not-all-good/
Tijuana, BC

Mexico 		Paseo del Centenario / Boulevard Independencia
(32.53340, -117.01901) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		4 Approaches
0 Driveways
67.4631 		Other (At-Grade)
Multilane (3+ Lane) 		ICD estimated from Google Maps linework.
Tijuana, BC

Mexico 		Paseo del Centenario / Blvd Gral M Marquez de Leon
(32.53579, -117.02273) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		4 Approaches
0 Driveways
54.3718 		Other (At-Grade)
Multilane (3+ Lane) 		ICD estimated from Google Maps linework.
Tijuana, BC

Mexico 		Frontera / Av de la Amistad
(32.53931, -117.02898) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		4 Approaches
0 Driveways
27.1848 		Other (At-Grade)
Multilane (3+ Lane) 		ICD estimated from Google Maps linework.
Lewiston, ID
Nez Perce Co.
United States 		Snake River Ave. / Southway Ave.
(46.40090, -117.03531) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.4156 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 https://www.facebook.com/LewistonPublicWorks/posts/street-work-for-the-roundabout-at-southway-avenue-and-snake-river-avenue-schedul/614436265234323/ ICD estimated from Google Maps linework.
Chula Vista, CA
San Diego Co.
United States 		Raven Ave. / (parking)
(32.61637, -117.03642) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.8600 		Other (At-Grade)
Single-Lane 		2016
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.
Clarkston, WA
Asotin Co.
United States 		5th St. / Fleshman Way WB Ramps
(46.39754, -117.04430) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
33.7705 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Clarkston, WA
Asotin Co.
United States 		5th St. / Fleshman Way EB Ramps
(46.39672, -117.04444) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
33.7710 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Temecula, CA
Riverside Co.
United States 		Rancho California Rd. / Anza Rd.
(33.53401, -117.05592) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.8217 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
San Diego, CA
San Diego Co.
United States 		Streamview Dr. / Gayle St.
(32.74436, -117.06584) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		3 Approaches
1 Driveways
15.0681 		Other (At-Grade)
Single-Lane 		2017 Side street splitter island is mini-style (no pedestrian refuge), Truck apron is 1" thick or less ICD estimated from Google Maps linework.
San Diego, CA
San Diego Co.
United States 		Streamview Dr. / Michael St. / Lynn St.
(32.74338, -117.07161) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
24.1092 		Other (At-Grade)
Single-Lane 		2017 Side street splitter islands are mini-style (no pedestrian refuge). Truck apron is 1" thick or less” ICD estimated from Google Maps linework.
Chula Vista, CA
San Diego Co.
United States 		Industrial Blvd. / Ada St.
(32.60208, -117.08502) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2009
San Diego, CA
San Diego Co.
United States 		49th St. / Adams Ave. / Euclid Ave. / Loraine Dr.
(32.76279, -117.08910) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
35.1516 		Other (At-Grade)
Single-Lane 		1999 Functional Class: Local ICD estimated from Google Maps linework.
Liberty Lake, WA
Spokane Co.
United States 		E Mission Ave. / N Molter Rd.
(47.67131, -117.08964) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
31.3654 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Paloma del Sol, CA
Riverside Co.
United States 		Campanula Way / (parking)
(33.48343, -117.09593) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
National City, CA
San Diego Co.
United States 		D Ave. / E 12th St. / Kimball Way
(32.67354, -117.10148) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.1121 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
San Diego, CA
San Diego Co.
United States 		Landis St. / 42nd St.
(32.74588, -117.10452) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2021 Painted splitter islands.
San Diego, CA
San Diego Co.
United States 		Meade Ave. / Marlborough Ave.
(32.75707, -117.10613) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-Lane 		2021 Painted splitter islands on north and south legs. Pedestrian crossings adjacent to circulatory roadway on east and south legs.
San Diego, CA
San Diego Co.
United States 		Landis St. / 41st St.
(32.74591, -117.10699) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2021 Painted splitter islands. https://www.facebook.com/story.php/?story_fbid=4970374723032587&id=1462392140497547
San Diego, CA
San Diego Co.
United States 		Central Ave. / Landis St.
(32.74593, -117.10821) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-Lane 		2022
San Diego, CA
San Diego Co.
United States 		Meade Ave. / Central Ave.
(32.75713, -117.10825) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-Lane 		2021 Painted splitter island on north leg. One-way street entrance on south leg.
San Diego, CA
San Diego Co.
United States 		Meade Ave. / 39th St.
(32.75712, -117.11041) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-Lane 		2021 Painted splitters and pedestrian crossings adjacent to circulatory roadway on north and south legs.
Liberty Lake, WA
Spokane Co.
United States 		Liberty Lake Rd. / Harvard Rd. / E Mission Ave. / I-90 WB Off-Ramp
(47.67454, -117.11097) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.0137 		Freeway Ramps (Grade-Separated)
Single-Lane 		2013 Open October 2013. ICD estimated from Google Maps linework.
San Diego, CA
San Diego Co.
United States 		Wightman St. / 35th St.
(32.74790, -117.11810) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2022 Painted splitter island on north leg.
San Diego, CA
San Diego Co.
United States 		Meade Ave. / Swift Ave.
(32.75719, -117.11900) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.8600 		Other (At-Grade)
Single-Lane 		2020 Painted splitter islands on north and south legs.
San Diego, CA
San Diego Co.
United States 		Meade Ave. / 34th St.
(32.75722, -117.12007) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-Lane 		2020 Painted splitter islands on north and south legs.
Liberty Lake, WA
Spokane Co.
United States 		E Mission Ave. / Kramer Pkwy.
(47.67143, -117.12235) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 Year Completed estimated (2022-2023).
San Diego, CA
San Diego Co.
United States 		Surface Navy Blvd. / S 32nd St.
(32.68369, -117.12563) 		Roundabout
Existing 		All-Way Yield
Other 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 Inside Naval Base San Diego. Entrance station on north leg. Year Completed estimated (2009-2010).
Liberty Lake (Greenacres), WA
Spokane Co.
United States 		E Mission Ave. / N Harvest Pkwy.
(47.67143, -117.13127) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.7992 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Temecula, CA
Riverside Co.
United States 		Ynez Rd. / La Paz Rd.
(33.48124, -117.13235) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019
San Diego, CA
San Diego Co.
United States 		Meade Ave. / Utah St.
(32.75727, -117.13268) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2020 Painted splitter islands and pedestrian crossings adjacent to circulatory roadway on north and south legs.
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.
Liberty Lake, WA
Spokane Co.
United States 		E Indiana Ave. / N Holl Blvd.
(47.67550, -117.13725) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.4048 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2005-2009).
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 Diego, CA
San Diego Co.
United States 		Landis St. / Louisiana St.
(32.74562, -117.14008) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
San Diego, CA
San Diego Co.
United States 		Florida Dr. / Morley Field Dr.
(32.73983, -117.14367) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2022 Modular (quick build) construction. https://www.californiaconstructionnews.com/2022/10/01/construction-starts-on-modular-roundabout-quick-build/
Pullman, WA
Whitman Co.
United States 		NE Terre View Dr. / N Fairway Rd. / Northwood Dr.
(46.74230, -117.15019) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.pullman-wa.gov/government/departments/public_works/public_works_news_section/terre_view_roundabout_opens_early
Spokane Valley, WA
Spokane Co.
United States 		E Sprague Ave. / S Barker Rd.
(47.65689, -117.15362) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.spokanevalley.org/spraguebarker
Greenacres, WA
Spokane Co.
United States 		N Barker Rd. / I-90 EB Ramps
(47.66457, -117.15376) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 Open September 4, 2020.
Greenacres, WA
Spokane Co.
United States 		N Barker Rd. / I-90 WB Ramps / E Cataldo Ave.
(47.66736, -117.15377) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.4904 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 ICD ranges from approx 112 to approx 123 feet. Open 8/25/2020.
Spokane Valley, WA
Spokane Co.
United States 		SR 290 (E Trent Ave.) / Barker Rd.
(47.69983, -117.15503) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2021 Open to westbound traffic week of September 24, 2021. Fourth approach for north leg to be added at a later date by private developer.
San Marcos, CA
San Diego Co.
United States 		N City Dr. / Campus Way
(33.13473, -117.15999) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2016
San Marcos, CA
San Diego Co.
United States 		N City Dr. / June Way
(33.13429, -117.16177) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2019 Yield-controlled right-turn bypass lanes on west and south legs. Year Completed estimated (2018-2019).
San Marcos, CA
San Diego Co.
United States 		Village Dr. / Carnation Ct.
(33.12285, -117.16747) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Mix of stop and yield control.
Pullman, WA
Whitman Co.
United States 		SR 27 / Whelan Rd.
(46.75994, -117.16896) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
32.0037 		Other (At-Grade)
Single-Lane 		2022 Opened August 2022. Developer mitigation project.
Coronado, CA
San Diego Co.
United States 		Bay Circle
(32.68240, -117.16935) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified)