28735 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
Janesville, IA
Bremer Co.
United States
Barrick Rd. / US 218 SB Ramps
(42.64937, -92.45388)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
53.3400
Freeway Ramps (Grade-Separated)
Single-Lane
2012
Janesville, IA
Bremer Co.
United States
Barrick Rd. / US 218 NB Ramps
(42.64935, -92.44918)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
45.7200
Freeway Ramps (Grade-Separated)
Single-Lane
2012
Gilbert, IA
Story Co.
United States
Gretten St / Matthews Dr
(42.10645, -93.64027)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
84.1769
Other (At-Grade)
Single-Lane
2013 ICD estimated from Google Maps linework.
Johnston, IA
Polk Co.
United States
NW 106th St. / NW 62nd Ave.
(41.67292, -93.76427)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
51.8160
Other (At-Grade)
Multilane (2 Lane, unspecified)
2012
Johnston, IA
Polk Co.
United States
NW 62nd Ave / Pioneer Hi-Bred Crick Bldg
(41.67292, -93.72965)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
39.2527
Other (At-Grade)
Multilane (2 Lane, unspecified)
2012 ICD estimated from Google Maps linework.
Johnston, IA
Polk Co.
United States
NW 62nd Ave / South Dr
(41.67279, -93.72054)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
36.5765
Other (At-Grade)
Multilane (2 Lane, unspecified)
2012 ICD estimated from Google Maps linework.
Johnston, IA
Polk Co.
United States
NW 62nd Ave / North Dr
(41.67272, -93.71476)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
37.4686
Other (At-Grade)
Multilane (2 Lane, unspecified)
2012 ICD estimated from Google Maps linework.
Johnston, IA
Polk Co.
United States
NW 62nd Ave / Pioneer Pkwy
(41.67275, -93.71210)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
37.4686
Other (At-Grade)
Multilane (2 Lane, unspecified)
2012 ICD estimated from Google Maps linework.
Marion, IA
Linn Co.
United States
35th St. / Tower Terrace Rd.
(42.06130, -91.57655)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
31.9213
Other (At-Grade)
Multilane (2 Lane, unspecified)
2011 Fourth leg is stubbed for future expansion. ICD estimated from Google Maps linework.
Mount Vernon, IA
Linn Co.
United States
US-30 E / 10th Ave S
(41.91643, -91.42947)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
40.8813
Other (At-Grade)
Single-Lane
2013 ICD estimated from Google Maps linework.
Mount Vernon, IA
Linn Co.
United States
US-30 SE / IA-1(1st Ave S)
(41.91563, -91.42243)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
186.6343
Other (At-Grade)
Multilane (2 Lane, unspecified)
2013 ICD estimated from Google Maps linework.
Peosta, IA
Dubuque Co.
United States
Peosta St / NICC Dr
(42.44531, -90.84966)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
103.1146
Other (At-Grade)
Single-Lane
2012 Entrance to Northeast Iowa Community College ICD estimated from Google Maps linework.
(unincorporated), IA
Buchanan Co.
United States
120th St. / Baxter Ave.
(42.61280, -92.05736)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Single-Lane
2012 Rural with high-speed approaches.
Ankeny, IA
Polk Co.
United States
SW Irvinedale Dr / NW Polk City Dr / SE Vintage Pkwy
(41.71706, -93.63888)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
49.9237
Other (At-Grade)
Multilane (2 Lane, unspecified)
2013 ICD estimated from Google Maps linework.
Waukee, IA
Dallas Co.
United States
Ashworth Dr. / Warrior Ln.
(41.60717, -93.87220)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2021 Replaced five-leg intersection. West leg removed, tied into northwest leg. https://www.waukee.org/1095/Warrior-Lane-Improvements
Waterloo, IA
Black Hawk Co.
United States
University Ave. / Fletcher Ave.
(42.49612, -92.36709)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
57.9120
Other (At-Grade)
Multilane (2 Lane, unspecified)
2021
Twin City, IA
Pottawattamie Co.
United States
Chippewa Ln.
(41.22800, -95.87278)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Building in central island.
Marion, IA
Linn Co.
United States
County Home Rd. / C Ave. Extension
(42.09487, -91.64848)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2021 https://cbs2iowa.com/news/local/county-home-road-reopens-in-linn-county-after-improvement-project
Marion, IA
Linn Co.
United States
County Home Rd. / Alburnett Rd.
(42.09450, -91.61904)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Single-Lane
2020 Year Completed estimated (2019-2020).
Marion, IA
Linn Co.
United States
10th St. / 10th Ave. / Central Ave.
(42.03629, -91.59934)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-lane w/ Traversable Central Island
2021 https://www.cityofmarion.org/Home/Components/News/News/6547/
Iowa City, IA
Johnson Co.
United States
American Legion Rd. / S Scott Blvd. / Muscatine Ave.
(41.64977, -91.48288)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2021 https://www.facebook.com/CityofIowaCity/posts/228146692693035
Cedar Rapids, IA
Linn Co.
United States
Kirkwood Blvd. / Woodstone Ln. SW
(41.89597, -91.65653)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2022 Year Completed estimated (2021-2022).
Le Claire, IA
Scott Co.
United States
Wisconsin St. / 35th St. SW / (parking)
(41.59770, -90.39139)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
45.7200
Other (At-Grade)
Single-Lane
2022 Replaced offset T intersections. https://www.leclaireiowa.gov/340/Wisconsin-Street-and-35th-Street-Reconst
Coralville, IA
Johnson Co.
United States
(unknown) / (unknown)
(41.72647, -91.56882)
Unknown
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
2023
Iowa City, IA
Johnson Co.
United States
Sycamore St. SE / McCollister Blvd.
(41.62554, -91.51193)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
41.1480
Other (At-Grade)
Single-Lane
2015 Year Completed estimated (2014-2016). Initially constructed with north and south legs, plus driveway to east. West leg added 2017-2019.
Cedar Falls, IA
Black Hawk Co.
United States
Greenhill Rd. / Cedar Heights Dr.
(42.49805, -92.41128)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2021 Year Completed estimated (2021-2022).
Cedar Falls, IA
Black Hawk Co.
United States
Cedar Heights Dr. / Huntington Rd.
(42.49125, -92.41124)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2022
Cedar Falls, IA
Black Hawk Co.
United States
W Ridgeway Ave. / Goldfinch Dr.
(42.46945, -92.44998)
Roundabout
Existing
All-Way Yield
None
3 Approaches
2 Driveways
51.8160
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2019 Year Completed estimated (2018-2020).
Brayton, IA
Cass Co.
United States
710th St. / 350th St.
(41.50440, -94.83505)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Cottonwood tree in center of intersection. On Audubon County-Cass County Line. https://www.roadsideamerica.com/tip/8830
Cedar Rapids, IA
Linn Co.
United States
16th Ave. SE / 5th St. SE
(41.97092, -91.65498)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2017 Year Completed estimated (2017-2019).
Cedar Rapids, IA
Linn Co.
United States
6th St. SW / (parking)
(41.90137, -91.67614)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Single-Lane
2022 Year Completed estimated (2021-2022).
Coralville, IA
Johnson Co.
United States
N Liberty Rd. NE / Forevergreen Rd.
(41.72584, -91.57089)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2022 https://www.johnsoncountyiowa.gov/news/secondary-roads/2022-04-21/construction-north-liberty-and-forevergreen-roads-roundabout-begins
Waukee, IA
Dallas Co.
United States
NW 2nd St. / NW Sunrise Dr.
(41.62191, -93.88215)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Single-Lane
2022 East leg stubbed. Yield-controlled right-turn bypass lane on west leg. Year Completed estimated (2021-2022). https://www.waukee.org/194/Capital-Improvement-Projects
Waukee, IA
Dallas Co.
United States
NW 2nd St. / (parking)
(41.62461, -93.88202)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Single-Lane
2022 East leg stubbed. Access to school and park. Year Completed estimated (2021-2022). https://www.waukee.org/194/Capital-Improvement-Projects
Waukee, IA
Dallas Co.
United States
NW Sunrise Dr. / NW 6th St. / (parking)
(41.62216, -93.88667)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
51.8160
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2021 Access to school. https://www.waukee.org/194/Capital-Improvement-Projects
Camanche, IA
Clinton Co.
United States
US 67 / 7th Ave.
(41.79727, -90.25775)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2023 https://www.youtube.com/watch?v=r8ajPBUZU6E
Waterloo, IA
Black Hawk Co.
United States
W 9th St. / South St.
(42.48850, -92.33818)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2023 https://k923.fm/new-waterloo-roundabout-is-almost-complete-look/
Altoona, IA
Polk Co.
United States
1st Ave. N / 9th St. NW / NE 54th Ave.
(41.65860, -93.46447)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
2022 https://littlevillagemag.com/altoona-1st-avenue-roundabout-woven-lines-sculpture/
Iowa City, IA
Johnson Co.
United States
Herbert Hoover Hwy. NE / I-80 WB Ramps
(41.67198, -91.44380)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2022 Previous intersection was entrance ramp only. https://www.news.iowadot.gov/newsandinfo/2022/06/eastbound-i-80-ramps-at-herbert-hoover-highwayjohnson-county-road-f-44-exit-249-in-johnson-county-to.html
Iowa City, IA
Johnson Co.
United States
Herbert Hoover Hwy. SE / I-80 EB Ramps
(41.67099, -91.44629)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2022 Previous intersection was exit ramp only. https://www.news.iowadot.gov/newsandinfo/2022/06/eastbound-i-80-ramps-at-herbert-hoover-highwayjohnson-county-road-f-44-exit-249-in-johnson-county-to.html
West Des Moines, IA
Polk Co.
United States
Market St. / S Prairie View Dr. / Mills Civic Pkwy.
(41.56098, -93.78384)
Other
Existing
Unknown
Unknown
5 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Pedestrian access to central island.
Urbandale, IA
Dallas Co.
United States
Tanglewood Dr. / 159th St.
(41.63969, -93.83774)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
No splitter islands.
Urbandale, IA
Dallas Co.
United States
Tanglewood Dr. / 160th St.
(41.64042, -93.84043)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
No splitter islands.
Urbandale, IA
Dallas Co.
United States
160th St. / Alpine Dr.
(41.64214, -93.83906)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
No splitter islands.
Urbandale, IA
Dallas Co.
United States
162nd St. / Alpine Dr.
(41.64249, -93.84126)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
No splitter islands.
Orange City, IA
Sioux Co.
United States
SR 10 (8th St. SE) / Jay Ave.
(42.99743, -96.03708)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2023 https://www.youtube.com/watch?v=ZFEW-ApSdqQ
Fairfield, IA
Jefferson Co.
United States
SR 1 (S Main St.) / Libertyville Rd. / S Junction Rd.
(40.98829, -91.96307)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2023 https://www.youtube.com/watch?app=desktop&v=Mabi9suTVMA
Urbana, IA
Benton Co.
United States
SR 150 (31st Ave. - Sunset St.) / Sunset St. (55th St.)
(42.22578, -91.89114)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2022 https://vintontoday.com/articles/news/article1033582.html
Cedar Rapids, IA
Linn Co.
United States
1st Ave. NW / Wiley Blvd.
(41.96746, -91.72573)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
24.3840
Other (At-Grade)
Single-lane w/ Traversable Central Island
2022
Cedar Rapids, IA
Linn Co.
United States
E Ave. NW / Ellis Blvd. NW / 6th St. NW
(41.97796, -91.68196)
Roundabout
Existing
All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only)
4 Approaches
0 Driveways
27.4320
Other (At-Grade)
Single-lane w/ Traversable Central Island
2023 At-grade rail crossing approximately 200 feet east of roundabout. https://www.thegazette.com/news/ellis-boulevard-extension-opens-to-traffic-in-northwest-cedar-rapids/
Cedar Rapids, IA
Linn Co.
United States
Johnson Ave. NW / Jacolyn Dr. NW
(41.96894, -91.73181)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.9080
Other (At-Grade)
Single-lane w/ Traversable Central Island
2020 Year Completed estimated (2019-2020).
Cedar Falls, IA
Black Hawk Co.
United States
Greenhill Rd. / S Main St.
(42.49855, -92.44586)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2022 https://www.cedarfalls.com/1572/South-MainGreenhill-Intersection-Improve
Hiawatha, IA
Linn Co.
United States
Tower Terrace Rd. / N Center Point Rd.
(42.05872, -91.69228)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
53.3400
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2022 https://www.facebook.com/hedcoiowa/videos/new-roundabout-at-tower-terrace-and-n-center-point-rd/550647193126949/
Bettendorf, IA
Scott Co.
United States
Forest Grove Dr. / Middle Rd.
(41.59010, -90.45966)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2023 https://www.ourquadcities.com/news/local-news/new-bettendorf-roundabout-opens-oct-18/ (video of partially complete roundabout here (it's the middle one) https://forestgrovedrive.com/ )
Bettendorf, IA
Scott Co.
United States
Forest Grove Dr. / Championship Dr.
(41.59001, -90.46287)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
2023 https://forestgrovedrive.com/ (first one in the video)
Bettendorf, IA
Scott Co.
United States
Forest Grove Dr. / Competition Dr.
(41.59010, -90.45635)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
2023 https://forestgrovedrive.com/ (third one in the video)
Sheldon, IA
O'Brien Co.
United States
34th Ave. / Pavilion Way / Prairie Trail Rd.
(43.18342, -95.81593)
Other
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Originally just a turnaround for trucks in 2011; an unknown time later two roads were connected. No splitter island on north leg. https://www.nwestiowa.com/news/orange-city-opens-first-roundabout/article_32eaa2b4-63e7-11ee-bfc6-2baa523c8e84.html
Dubuque, IA
Dubuque Co.
United States
Kerper Blvd. / Kerper Ct.
(42.51518, -90.65500)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2023 https://www.kwwl.com/video/kerper-boulevard-roundabout-now-open-in-dubuque/video_c96b5eb0-5305-5b6f-8b06-be51094e84b7.html
Hitachi City, Ibaraki Pref.

Japan
Pref Hwy 290 at JR Hitachi-Taga Station
(36.55264, 140.63177)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Ica, Ica
Province of Ica
Peru
Ovalo Ayabaca
(-14.07205, -75.73834)
Other
Existing
Uncontrolled
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Pedestrian access to central island..
Ica, Ica
Province of Ica
Peru
Panamericana S / Av. Jose Matias Manzanilla
(-14.06654, -75.74013)
Other
Existing
Uncontrolled
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Chincha Alta, Ica
Province of Chincha
Peru
Plazuela Bolognesi
(-13.41677, -76.13774)
Other
Existing
Uncontrolled
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Unknown
Chincha Alta, Ica
Province of Chincha
Peru
Víctor Andrés Belaunde / Calle Pedro Moreno
(-13.41504, -76.13252)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Unknown
Parking along circulatory roadway.
Nazca, Ica
Province of Nasca
Peru
Panamericana S / Jirón Lima / Jirón Callao
(-14.82852, -74.94369)
Unknown
Existing
Unknown
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Unknown
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).
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).
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.
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
Chubbuck, ID
Bannock Co.
United States
Chubbuck Rd. / Philbin Rd.
(42.92054, -112.49601)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2022 https://localnews8.com/news/idaho/2022/04/11/philbin-chubbuck-road-intersection-to-close-for-roundabout-installation/
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.
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.
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
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/
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
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.
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
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/
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).
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
(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).
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).
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.
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
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
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 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 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
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
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
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).
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).
Chubbuck, ID
Bannock Co.
United States
Mesquite Dr. / Parklawn Dr. / (parking)
(42.92905, -112.46794)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.0520
Other (At-Grade)
Single-Lane
2008 Year Completed estimated (2006-2009).
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
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/
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
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.