|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
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 |
|
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 |
|
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 |
|
West Branch,
IA Cedar Co. United States |
W Main St / Herbert Hoover Hwy / Johnson Cedar Rd. NE (41.67115, -91.36629) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2023 | On boundary between Cedar County and Johnson County and on western city limit of West Branch, IA. South leg is gravel road. https://www.anderson-bogert.com/projects/herbert-hoover-highway-and-johnson-cedar-road-roundabout/ |
|
Cedar Rapids,
IA Linn Co. United States |
6th St. SW / Commerce Park Dr. / (parking) (41.88168, -91.67595) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.3400 |
Other (At-Grade) Single-Lane |
2023 | Year Completed estimated (2022-2023). |
|
Cedar Rapids,
IA Linn Co. United States |
12th Ave. SE / 2nd St. SE (41.96957, -91.65931) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2023 | |
|
Cedar Rapids,
IA Linn Co. United States |
6th St. SW / Innovation Dr. / St Martin Blvd. SW (41.89632, -91.67617) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.3400 |
Other (At-Grade) Single-Lane |
2023 | Add-lane right-turn bypass lane on west leg. |
|
Cedar Rapids,
IA Linn Co. United States |
Ellis Blvd. NW / F Ave. NW (41.97904, -91.68202) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 21.3360 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2022 | https://www.facebook.com/Matthew25MinistryHub/posts/the-roundabout-at-f-ave-and-ellis-blvd-near-the-cultivate-hope-corner-store-is-n/5906539946051568/ |
|
Ottumwa,
IA Wapello Co. United States |
Albia Rd. / Quincy Ave. (41.00957, -92.43837) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2024 | https://ottumwapost.com/quincy-avenue-albia-road-detour-route-p10174-236.htm |
|
Sioux City,
IA Woodbury Co. United States |
Old Lakeport Rd. / Southern Hills Dr. / Elk Creek Rd. / Christy Rd. (42.44046, -96.34126) |
Roundabout Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2024 | |
|
Davenport,
IA Scott Co. United States |
Leclaire St. / E 2nd St. (41.52114, -90.56831) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2024 | Located underneath railroad bridge and connecting to lower deck of bridge over river. https://www.kwqc.com/video/2024/08/09/rock-island-arsenal-davenport-update-progress-government-bridge-traffic-circle/ |
|
Polk City,
IA Polk Co. United States |
Vista Lake Ct / N 3rd St / NW Sheldahl Dr (41.78316, -93.71045) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2022 | https://www.polkcityia.gov/sites/g/files/vyhlif5571/f/pages/notice_to_bidders_3rd_and_vista_lake_intersection_improvements_2021-11-22.pdf |
|
Altoona,
IA Polk Co. United States |
NE 62nd Ave. / 20th Ave. NW (41.67289, -93.48702) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2022 | Year Completed estimated (2021-2022). |
|
Cedar Rapids,
IA Linn Co. United States |
C Ave. NE / Tower Terrace Rd. / E Main St. (42.05852, -91.63854) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2024 | https://www.facebook.com/CityOfMarionIowa/posts/heres-a-birds-eye-view-of-the-work-happening-on-tower-terrace-road-looking-east-/962930365872333/ |
|
Coralville,
IA Johnson Co. United States |
Jones Blvd. / Spring Rose Cir. / Green Haven Blvd. (41.70355, -91.62132) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2022 | |
|
Iowa City,
IA Johnson Co. United States |
N Scott Blvd. / N 1st Ave. / Act Pl. (41.67701, -91.50122) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2022 | |
|
Bettendorf,
IA Scott Co. United States |
Middle Rd. / Competition Dr. (41.59159, -90.45915) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | Year Completed estimated (2023-2025). |
|
Davenport,
IA Scott Co. United States |
155th Ave. / Research Pkwy. (41.60405, -90.59808) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2022 | |
|
Davenport,
IA Scott Co. United States |
Research Pkwy. / (parking) (east) (41.60394, -90.59950) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2022 | |
|
Davenport,
IA Scott Co. United States |
Research Pkwy. / (parking) (west) (41.60382, -90.60284) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6717 |
Other (At-Grade) Single-Lane |
2022 | |
|
Cedar Rapids,
IA Linn Co. United States |
Wilson Ave. SW / Bowling St. SW (41.95585, -91.65756) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2024 | https://www.reddit.com/r/cedarrapids/comments/1fodquc/wilson_avenue_and_bowling_street_roundabout/ |
|
Cedar Rapids,
IA Linn County United States |
10th St. SE / 8th Ave. SE / Mount Vernon Rd. SE (41.97807, -91.65365) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://www.thegazette.com/local-government/government-notes-cedar-rapids-opens-new-roundabout-on-mount-vernon-road/ |
|
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) Multilane (2 Lane, 2x1 max) |
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 |
E Locust Ln. / S Robinson Rd. (43.53215, -116.49353) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | https://nampahighway1.com/project/robinson-locust-roundabout/ |
|
Post Falls,
ID Kootenai County United States |
E 4th Ave. / N Idaho St. (47.71101, -116.93727) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2024 | Year Completed estimated (2023-2024). |
|
Mayfield Springs,
ID Elmore Co. United States |
Desert Wind Rd. / Mayfield Springs Blvd. (43.37318, -115.96649) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.4048 |
Other (At-Grade) Single-Lane |
2025 | Desert Wind splitters are constructed to be modifiable if a second entry lane is needed. |
|
Nampa,
ID Canyon Co. United States |
N Franklin Blvd. / E Karcher Rd. (43.60506, -116.55342) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://www.facebook.com/cityofnampa.us/videos/now-open-the-intersection-of-franklin-blvd-karcher-rd-reopened-this-morning-to-v/1716080395969702/ |
|
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) Multilane (2 Lane, 2x1 max) |
2023 | Right-turn-only lanes on all four legs. https://www.youtube.com/watch?v=fkn3ynz3xrY&t=60s |
|
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. |
|
Nampa,
ID Canyon Co. United States |
S Midland Blvd. / Iowa Ave. (43.55439, -116.59279) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | https://www.facebook.com/cityofnampa.us/posts/-exciting-safety-news-for-our-community-were-happy-to-announce-the-installation-/900763452095945/ |
|
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 | |
|
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 |
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/ |
|
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 |
|
Rexburg,
ID Madison Co. United States |
W 7th S / Pioneer Rd. (43.81168, -111.80413) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2022 | https://www.rexburgstandardjournal.com/rexburg/ice-cream-and-construction-cones-g-s-dairy-delights-feeling-the-squeeze-as-roundabout-construction/article_0e539cfa-4d2b-54dc-b2aa-811a7e428074.html |
|
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 |
|
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 | |
|
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 |
|
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 |
|
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). |
|
(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 |
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. |