Roundabouts Database

28913 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
Las Vegas (Summerlin), NV
Clark Co.
United States 		Havenwood Ave. / Desert Marigold Ln. / Navajo Willow Ln.
(36.13360, -115.32110) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.5483 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 Functional Class: Collector. Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Las Vegas, NV
Clark Co.
United States 		Mesa Park Dr. / S Town Center Dr.
(36.09061, -115.32584) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2006
Canmore, AB
Alberta
Canada 		Benchlands Trl. / Elk Run Blvd.
(51.08662, -115.32768) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
22.5063 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2015-2018). ICD estimated from Google Maps linework.
Las Vegas, NV
Clark Co.
United States 		Griffith Peak Dr. / Spruce Goose St.
(36.15689, -115.32864) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2005
Las Vegas (Summerlin), NV
Clark Co.
United States 		Havenwood Ave. / Spotted Leaf Ln. / Golden Willow
(36.13300, -115.33040) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.6194 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1999 Functional Class: Collector ICD estimated from Google Maps linework.
Las Vegas, NV
Clark Co.
United States 		S Pavilion Center Dr. / Orchard Park Dr.
(36.15444, -115.33080) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Completed initially with only 2 legs; 3rd leg added 2017.
Las Vegas, NV
Clark Co.
United States 		S Pavillion Center Dr. / Oval Park Dr.
(36.15207, -115.33082) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 Next to baseball stadium. Completed initially with only 3 legs; 4th leg added 2019.
Las Vegas (Summerlin), NV
Clark Co.
United States 		Desert Primrose Ln. / Spotted Leaf Ln. / Pavillion Center Dr.
(36.14070, -115.33120) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.4737 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1999 Functional Class: Collector ICD estimated from Google Maps linework.
Las Vegas, NV
Clark Co.
United States 		W Park Run Dr. / Canyon Pointe
(36.16153, -115.33394) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Year Completed estimated (before 2003).
Las Vegas (Summerlin), NV
Clark Co.
United States 		W. Flamingo Rd. / Granite Ridge Dr.
(36.11960, -115.33500) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
61.7449 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 Fatal crash October 28, 2010. 11861-05. ICD estimated from Google Maps linework.
Las Vegas, NV
Clark Co.
United States 		Summerlin Centre Dr. / Sagemont Dr. / Cape Cod Landing Dr. / Carleton Mills Dr.
(36.15376, -115.34035) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2005-2006).
Las Vegas, NV
Clark Co.
United States 		Plaza Centre Dr. / Sagemont Dr.
(36.15634, -115.34419) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2006 One leg has no splitter island. Year Completed estimated (2005-2006).
Canmore, AB
Alberta
Canada 		Hwy 1A (Bow Valley Trl.) / Montane Rd. / Spring Creek Gate
(51.08479, -115.34451) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.5120 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2003-2009). ICD estimated from Google Maps linework.
Las Vegas, NV
Clark Co.
United States 		Park Vista Dr. / Vista Center Dr. / Vista Run Dr.
(36.16161, -115.34478) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Single-Lane 		2003 Clock tower in central island.
Las Vegas (Summerlin), NV
Clark Co.
United States 		Vista Run Dr. / Park Vista Dr.
(36.17820, -115.34610) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
46.2741 		Other (At-Grade)
Single-Lane 		1995 Year completed estimated (1990-1999) ICD estimated from Google Maps linework.
Las Vegas, NV
Clark Co.
United States 		Fox Hill Dr. / Antelope Ridge Dr.
(36.18018, -115.36117) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014
Las Vegas, NV
Clark Co.
United States 		Desert Moon Rd. / Fox Hill Dr. / Desert Sunrise Rd.
(36.16339, -115.36230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005).
Las Vegas, NV
Clark Co.
United States 		Fox Hill Dr. / Beautiful Vista Ln.
(36.17373, -115.36476) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2014
Las Vegas, NV
Clark Co.
United States 		Fox Hill Dr. / Paseo Breeze Dr.
(36.16713, -115.36480) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2012).
Las Vegas, NV
Clark Co.
United States 		SR 157 / (parking)
(36.27237, -115.58517) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2014 https://www.reviewjournal.com/uncategorized/roundabout-on-mt-charleston-tough-to-see-at-night/
Spring Creek, NV
Elko Co.
United States 		Lamoille Hwy / Licht Pkwy / Spring Creek Pkwy
(40.73887, -115.61890) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.3874 		Other (At-Grade)
Single-Lane 		2010 Merging right-turn bypass lanes on all four leg. Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
(unincorporated), NV
Clark Co.
United States 		SR 156 (Lee Canyon Rd.) / Forest Road 106
(36.31974, -115.67259) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2013-2016).
Pahrump, NV
Nye Co.
United States 		NV 372 / Pahrump Valley Blvd.
(36.20651, -115.99115) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.4389 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 Year Completed estimated (2016-2018). ICD estimated from Google Maps linework.
Pahrump, NV
Nye Co.
United States 		NV 372 / S Blagg Rd.
(36.20512, -116.01422) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.8025 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2016-2018). ICD estimated from Google Maps linework.
Radium Hot Springs, BC
East Kootenay
Canada 		Kootenay-Columbia Hwy. (Hwy 93) / Hwy 95 / Fosters Landing Rd.
(50.62219, -116.07168) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		2020 https://drivebc.ca/mobile/pub/webcams/id/132.html
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.
Tamarack Resort, ID
Valley Co.
United States 		West Mountain Rd. / Village Dr.
(44.66998, -116.11130) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.9203 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Tamarack Resort, ID
Valley Co.
United States 		Village Dr. / Whitewater Dr.
(44.67280, -116.11770) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.8771 		Other (At-Grade)
Single-Lane 		2005 None. ICD estimated from Google Maps linework.
Cascade, ID
Valley Co.
United States 		Discovery Dr. / Village Dr. / Arling Center Ct. / (parking)
(44.66944, -116.12408) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2005 Racetrack shaped. ICD = 150 ft x 120 ft.
Boise, ID
Ada Co.
United States 		E Parkcenter Blvd. / S Shadywood Way
(43.57291, -116.12957) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018).
Boise, ID
Ada Co.
United States 		E Parkcenter Blvd. / Old Hickory Way
(43.57434, -116.13364) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.4191 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		E Parkcenter Blvd. / S Wise Way
(43.57577, -116.13773) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.6879 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		E Parkcenter Blvd. / E Warm Springs Ave.
(43.57647, -116.13975) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
41.5314 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		E Fort St. / E Reserve St.
(43.61355, -116.19070) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
38.0470 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		Fort St. / Robbins Rd. / N 3rd St.
(43.61644, -116.19328) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.8572 		Other (At-Grade)
Single-Lane 		2019 https://www.cityofboise.org/departments/planning-and-development-services/robbins-roundabout/ ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		Crescent Rim Dr. / Eastover Terr.
(43.60307, -116.21526) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
61.4047 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2013 ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		Whitewater Park Blvd. / Stewart Ave.
(43.62885, -116.23010) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.0373 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 Opened October 2013. ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		N 36th St. / W Hil Rd. / W Catalpa Dr.
(43.65542, -116.23333) 		Roundabout
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
74.3128 		Other (At-Grade)
Single-Lane 		2016 Dogbone shape. 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.
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.
La Quinta, CA
Riverside Co.
United States 		Calle Tampico / Desert Club Dr.
(33.67816, -116.30146) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.palmspringslife.com/la-quinta-california/
La Quinta, CA
Riverside Co.
United States 		Calle Sinaloa / Avenida 52 / Avenida Bermudas
(33.67259, -116.30364) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2020 http://lqcompletestreets.com/overview
La Quinta, CA
Riverside Co.
United States 		Calle Tampico / Avenida Bermudas
(33.67816, -116.30371) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2020 http://lqcompletestreets.com/overview
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
Palm Desert, CA
Riverside Co.
United States 		Avenue of the States / California Dr. / Michigan Dr.
(33.74085, -116.30647) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2016 Parallel parking along circulatory roadway. Year Completed estimated (2015-2016).
La Quinta, CA
Riverside Co.
United States 		Eisenhower Dr. / Avenida Montezuma
(33.67616, -116.30798) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2020 http://lqcompletestreets.com/overview
La Quinta, CA
Riverside Co.
United States 		Eisenhower Dr. / Calle Sinaloa
(33.67254, -116.30801) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2014 Elliptical shape. ICD = 125 ft x 105 ft. Year Completed estimated (2013-2014).
La Quinta, CA
Riverside Co.
United States 		Eisenhower Dr. / Calle Tampico
(33.67793, -116.30802) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2020 http://lqcompletestreets.com/overview
Kuna, ID
Ada Co.
United States 		Hickory Valley Rd. / Courage Ave.
(43.49807, -116.32973) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2022
Eagle, ID
Ada Co.
United States 		E Colchester Dr. / E Fishing Creek Dr. / S Cliff Brook Ln.
(43.66616, -116.34462) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018).
Boise, ID
Ada Co.
United States 		S. Touchmark Way / S. Worth Way
(43.60206, -116.34610) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.2704 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Meridian, ID
Ada Co.
United States 		Records Ave. / Elden Gray St.
(43.62166, -116.34700) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.5835 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Meridian, ID
Ada Co.
United States 		Kleiner Memorial Pkwy. / Kleiner Park Loop
(43.62315, -116.34710) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.5827 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		S. Touchmark Way / E. Louise Dr.
(43.60317, -116.34880) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.4050 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Eagle, ID
Ada Co.
United States 		E Colchester Dr. / E Eagles Gate Dr.
(43.66859, -116.35005) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2014 Year Completed estimated (2013-2014).
Meridian, ID
Ada Co.
United States 		S Eagle Rd. / E Amity Rd.
(43.56130, -116.35436) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Single-Lane 		2012 Constructed initially as single-lane roundabout. Expanded in 2021-2022 to 2x2 with merging right-turn bypass lane on north leg. https://www.youtube.com/watch?v=mKWTT7Upuss
Meridian, ID
Ada Co.
United States 		S Eagle Rd. / E Zaldia Dr. / E Zaldia St.
(43.56661, -116.35440) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021 Year Completed estimated (2021-2022).
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).
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. / 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).
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.
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 		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.
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 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).
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
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).
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.
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).
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 		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 		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
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
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
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
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 		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 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 		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 		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 		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 		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 		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
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 		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 		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 		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
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.
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.
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
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.
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 		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. / 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. / 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 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 		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.