Roundabouts Database

29411 Results

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City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType 		Year Completed Comments
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
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.
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.
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 		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.
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/
(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).
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
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
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.
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.
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
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
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
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.
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.
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.
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
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.
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.
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.
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
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. / 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 		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 		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 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 		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 		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 		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 		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. / 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/
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).
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)
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.
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
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)
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.
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 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 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.
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 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.
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.
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.
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 		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.
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 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.
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.
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/
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.
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. / 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 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.
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.
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 		W Highland Ranch Pkwy. / N Branding Iron Ave. / W Blue Lightning St.
(43.72344, -116.65073) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on side street. Pedestrian crossings within or adjacent to circulatory roadway.
Middleton, ID
Canyon Co.
United States 		W Highlands Ranch Pkwy. / N Sombrero Ave.
(43.72247, -116.64464) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter island on side street. Unmarked pedestrian crossings within or adjacent to circulatory roadway.
Middleton, ID
Canyon Co.
United States 		W Highlands Pkwy. / 9th St.
(43.71596, -116.64096) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2016 No splitter island on side street.
Middleton, ID
Canyon Co.
United States 		W Highlands Ranch Pkwy. / W Ayrshire St.
(43.72271, -116.64060) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on side street. Pedestrian crossings within circulatory roadway.
Middleton, ID
Canyon Co.
United States 		W Highlands Pkwy. / Stallion Springs Way
(43.71894, -116.63822) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
32.0037 		Other (At-Grade)
Single-Lane 		2008 No splitter islands on side street. Year Completed estimated (2007-2009).
Middleton, ID
Canyon Co.
United States 		Middleton Rd. / E Sawtooth Lake Dr.
(43.69887, -116.61324) 		Roundabout
Unknown 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 Scheduled for completion August 2023.
Caldwell, ID
Canyon Co.
United States 		Ustick Rd. / Middleton Rd.
(43.63411, -116.61313) 		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=fkn3ynz3xrY&t=60s
Middleton, ID
Canyon Co.
United States 		N Middleton Rd. / E Main St. (Cornell St.)
(43.70651, -116.61307) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021
Athol, ID
Kootenai Co.
United States 		SR 54 / N Good Hope Rd. / N Perimeter Rd.
(47.94732, -116.61237) 		Rotary
Existing 		Other
None 		4 Approaches
0 Driveways
126.4920 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		Yield signs on circulatory roadway. Elliptical shaped. ICD = 415 ft x 370 ft.
Nampa, ID
Canyon Co.
United States 		Ustick Rd. / Santa Ana Ave.
(43.63404, -116.60317) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 Near two schools.
Nampa, ID
Canyon Co.
United States 		Ustick Rd. / Midland Blvd.
(43.63407, -116.59321) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2021 Right-turn-only lanes with merging receiving lanes on all legs, resulting in multilane pedestrian crossings on all entries and exits. https://www.idahopress.com/news/local/why-nampa-is-planning-to-redesign-more-than-a-dozen-intersections/article_ea1018cf-8754-50b6-a443-bd2a4f5ecdcb.html
Sandpoint, ID
Bonner Co.
United States 		N Boyer Ave / Larch St
(48.28018, -116.55663) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.9717 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Nampa, ID
Canyon Co.
United States 		N Franklin Blvd. / Birch Ln.
(43.61231, -116.55315) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2023 https://twitter.com/NampaPIO/status/1654208519175045120
Sandpoint, ID
Bonner Co.
United States 		Schweitzer Cutoff Rd / N Boyer Ave
(48.30915, -116.55190) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2017
Nampa, ID
Canyon Co.
United States 		E Victory Rd. / N Kings Rd.
(43.57584, -116.53288) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2022 https://twitter.com/NampaPIO/status/1606348916282101760
Nampa, ID
Canyon Co.
United States 		Cherry Ln. / N Idaho Center Rd. / N Can Ada Rd.
(43.61960, -116.51332) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2023 https://www.facebook.com/cityofnampa.us/posts/pfbid01GwhiVMxbiDrKP67dQPCeqSCxBAPfqshgLEvruyRWwiVFBPnSGJoAT37JMNEn2NUl
Nampa, ID
Canyon Co.
United States 		N Happy Valley Rd. / E Victory Rd.
(43.57444, -116.51303) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2021 Intersection moved 0.1 mile south due to airport. https://www.idahopress.com/news/local/1903-wright-flyer-sculpture-featured-at-new-roundabout-near-nampa-airport/article_a2bb7a2a-7fdf-5110-b36f-8657c33dda60.html
Nampa, ID
Canyon Co.
United States 		Happy Valley Rd. / Greenhurst Rd.
(43.54679, -116.51290) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1488 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Nampa, ID
Canyon Co.
United States 		Happy Valley Rd. / Amity Ave.
(43.56146, -116.51290) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.2726 		Other (At-Grade)
Single-Lane 		2006 Designed for ultimate two-lane w/ 180-ft ICD. Current 160-ft single-lane is initial build. Previously controlled by 4-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Nampa, ID
Canyon Co.
United States 		Robinson Rd. / E Victory Rd.
(43.57596, -116.49388) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019).
Nampa, ID
Canyon Co.
United States 		E Amity Rd. / S Robinson Blvd.
(43.56137, -116.49376) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.5418 		Other (At-Grade)
Single-Lane 		2019 Completed in May 2019. Initial build is 160' ICD, expandible outward to 2x1 (160'x180') in the future. ICD estimated from Google Maps linework.
Nampa, ID
Canyon Co.
United States 		Star Rd. / Cherry Ln.
(43.61969, -116.49366) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2021 Merging right-turn bypass lanes on all legs.
Nampa, ID
Canyon Co.
United States 		E Franklin Rd. / Star Rd. / N Robinson Rd.
(43.60497, -116.49357) 		Roundabout
Removed 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2012 Roundabout removed 2020 in conjunction with construction of Amazon center. Original roundabout completed 2012 and had right-turn-only lanes on north and south legs.
Nampa, ID
Canyon Co.
United States 		Airport Rd. / N Robinson Blvd.
(43.58690, -116.49334) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2023
Emmett, ID
Gem Co.
United States 		E 4th St. / S Johns Ave.
(43.87188, -116.49278) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2880 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021 https://www.idahopress.com/emmett/news/new-roundabouts-may-require-some-pedestrian-and-driver-attention/article_17cceadd-1eb7-5959-8c8b-697d05289a4e.html
Emmett, ID
Gem Co.
United States 		E 12th St. / S Johns Ave.
(43.86461, -116.49276) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2880 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021 https://www.idahopress.com/emmett/news/new-roundabouts-may-require-some-pedestrian-and-driver-attention/article_17cceadd-1eb7-5959-8c8b-697d05289a4e.html
Meridian, ID
Ada Co.
United States 		W McMillan Rd. / N Rustic Oak Way
(43.64851, -116.46388) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020
Meridian, ID
Ada Co.
United States 		Victory Rd. / S Ten Mile Rd.
(43.57570, -116.43378) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2022 Right-turn-only lanes on all legs.
Meridian, ID
Ada Co.
United States 		W Amity Rd. / S Ten Mile Rd.
(43.56108, -116.43378) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2021 Right-turn-only lanes on all legs. https://www.achdidaho.org/Projects/proj_intersection_ten-mile-road-and-amity-road-roundabout.aspx
Meridian, ID
Ada Co.
United States 		S Vanguard Way / S Wayfinder Ave. / (parking)
(43.59800, -116.43116) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2017 Right-turn-only lane on northeast leg.
Meridian, ID
Ada Co.
United States 		S Wayfinder Ave. / W Cobalt Dr.
(43.60115, -116.42905) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018).
Kuna, ID
Ada Co.
United States 		N Linder Ave. / W Main St. / E 3rd St.
(43.49056, -116.41390) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.7271 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Eagle, ID
Ada Co.
United States 		N Fisher Park Way / (unknown)
(43.69648, -116.39631) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2008 Right-turn bypass lane on west leg. Year Completed estimated (2006-2009).
Palm Desert, CA
Riverside Co.
United States 		San Pablo Ave. / San Gorgonio Way
(33.72361, -116.38250) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://youtu.be/hqRQ9Qo7v9Y
Meridian, ID
Ada Co.
United States 		E Wrightwood Dr. / S Luminous Ave. / E Crest Ridge Dr.
(43.56552, -116.37989) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2014 Year Completed estimated (2013-2014).
Borrego Springs, CA
San Diego Co.
United States 		Borrego Springs Rd. / Palm Canyon Dr. / Sunset Rd. / Ave Nordeste / Ave Sureste
(33.25657, -116.37500) 		Other
Existing 		All-Way Yield
None 		7 Approaches
3 Driveways
147.8114 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Meridian, ID
Ada Co.
United States 		E Victory Rd. / S Locust Grove Rd.
(43.57574, -116.37461) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2023 https://www.youtube.com/watch?v=ONrQ1FFqSR8.
Meridian, ID
Ada Co.
United States 		E Lake Hazel Rd. / S Locust Grove Rd.
(43.54644, -116.37449) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 Year Completed estimated (2021-2022).
Meridian, ID
Ada Co.
United States 		Pine St. / Webb Rd.
(43.61220, -116.36840) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.9126 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 ICD estimated from Google Maps linework.
Palm Desert, CA
Riverside Co.
United States 		College Dr. / Pacific Ave.
(33.78350, -116.36543) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2009).
Palm Desert, CA
Riverside Co.
United States 		College Dr. / Technology Dr.
(33.78010, -116.35956) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2009).
Palm Desert, CA
Riverside Co.
United States 		College Dr. / University Park Dr.
(33.77712, -116.35736) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2009).