|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
Cedar Falls,
IA Black Hawk Co. United States |
Brandilynn Blvd. / Prairie Pkwy. (42.48552, -92.43468) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.2763 |
Other (At-Grade) Single-Lane |
2009 | In new commercial development. Functional Class: Local ICD estimated from Google Maps linework. |
|
Fort Dodge,
IA Webster Co. United States |
10th Ave. N. / N. 32nd St. (42.51522, -94.14932) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 37.8545 |
Other (At-Grade) Single-Lane |
2009 | Replaced two T intersections. ICD estimated from Google Maps linework. |
|
Iowa City,
IA Johnson Co. United States |
Grand Ave. / S. Grand Ave. (41.65855, -91.54559) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 23.2000 |
Other (At-Grade) Single-Lane |
2007 | On University of Iowa school campus. Functional Class: Local ICD estimated from Google Maps linework. |
|
Iowa City,
IA Johnson Co. United States |
Kennedy Pkwy. / Meadowlark Dr. (41.66899, -91.59541) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.5492 |
Other (At-Grade) Single-Lane |
2006 | In new residential development. Functional Class: Local ICD estimated from Google Maps linework. |
|
Waverly,
IA Bremer Co. United States |
1st Ave. NW / 8th St. NW (42.72669, -92.48061) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.2167 |
Other (At-Grade) Single-Lane |
2005 | Replaced "T" intersection at entry to Wartburg College school campus. ICD estimated from Google Maps linework. |
|
West Des Moines,
IA Dallas Co. United States |
W. Wells Fargo Trl. / Wells Fargo Terr. (41.55986, -93.80373) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 25.0228 |
Other (At-Grade) Single-Lane |
2005 | In new Wells Fargo commercial development. ICD estimated from Google Maps linework. |
|
West Des Moines,
IA Dallas Co. United States |
W. Wells Fargo Trl. / E. Wells Fargo Terr. (41.55994, -93.80212) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 26.8101 |
Other (At-Grade) Single-Lane |
2005 | In new Wells Fargo commercial development. ICD estimated from Google Maps linework. |
|
West Des Moines,
IA Dallas Co. United States |
West Access / W. Wells Fargo Trl. (41.55749, -93.80611) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.5986 |
Other (At-Grade) Single-Lane |
2006 | In new Wells Fargo commercial development. ICD estimated from Google Maps linework. |
|
West Des Moines,
IA Dallas Co. United States |
Village View Dr. / Prairie View Dr. (Blue Stem Circle) (41.56376, -93.78467) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.5745 |
Other (At-Grade) Single-Lane |
2007 | New residential/commercial development on former Ponderosa Golf Course. ICD estimated from Google Maps linework. |
|
West Des Moines,
IA Dallas Co. United States |
S. Crescent Way / Stagecoach Dr. (41.56252, -93.78701) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.9581 |
Other (At-Grade) Single-Lane |
2007 | Intersection of two private residential streets on former Ponderosa Golf Course. ICD estimated from Google Maps linework. |
|
West Des Moines,
IA Dallas Co. United States |
S. Crescent Way / S. Ridgefield Way / Fairway Dr. (41.56541, -93.78633) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.9566 |
Other (At-Grade) Single-Lane |
2007 | Intersection of two private residential streets on former Ponderosa Golf Course. ICD estimated from Google Maps linework. |
|
Mason City,
IA Cerro Gordo Co. United States |
Mohawk Boulevard / Mason City HS parking lots (43.14796, -93.16502) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2013 | |
|
Cedar Falls,
IA Black Hawk Co. United States |
W Ridgeway Ave / Chancellor Dr (42.47011, -92.45341) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 48.4535 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2011 | ICD estimated from Google Maps linework. |
|
Ankeny,
IA Polk Co. United States |
SW Cherry St / SW 11th (41.71942, -93.60882) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 64.1853 |
Other (At-Grade) Single-Lane |
2011 | ICD estimated from Google Maps linework. |
|
Ankeny,
IA Polk Co. United States |
SW Campustown Ct (41.71034, -93.61365) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 136.4130 |
Other (At-Grade) Single-Lane |
2013 | ICD estimated from Google Maps linework. |
|
Marion,
IA Linn Co. United States |
Alburnett Rd / Tower Terrace (42.05859, -91.61401) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 39.9034 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2013 | ICD estimated from Google Maps linework. |
|
Coralville,
IA Johnson Co. United States |
Heartland Dr. / Russell Dr. (41.70007, -91.61160) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.9113 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2013 | ICD estimated from Google Maps linework. |
|
Coralville,
IA Johnson Co. United States |
Ridgeway Dr / University Ct (41.71577, -91.59998) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 36.5520 |
Other (At-Grade) Single-Lane |
2013 | ICD estimated from Google Maps linework. |
|
Coralville,
IA Johnson Co. United States |
University Ct / University Pkwy (41.71383, -91.60093) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 36.5531 |
Other (At-Grade) Single-Lane |
2013 | ICD estimated from Google Maps linework. |
|
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 |
|
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 | |
|
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 |
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. |
|
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 | |
|
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 |
|
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 |