|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
Fort Dodge,
IA Webster Co. United States |
1st Ave. S / S 12th St. (42.50480, -94.18270) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.5340 |
Other (At-Grade) Single-Lane |
2016 | https://www.messengernews.net/progress-2017/progress-2017-business/2017/02/crosstown-connector-completed/ ICD estimated from Google Maps linework. |
|
Cedar Falls,
IA Black Hawk Co. United States |
University Ave. / Waterloo Rd. (42.51304, -92.42713) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.8558 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework. |
|
Cedar Falls,
IA Black Hawk Co. United States |
University Ave. / Holiday Rd. (42.51304, -92.43342) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.7362 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework. |
|
Cedar Falls,
IA Black Hawk Co. United States |
University Ave. / Boulder Dr. (42.51312, -92.43821) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 48.4202 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework. |
|
Cedar Falls,
IA Black Hawk Co. United States |
University Ave. / SR 27-SR 58 SB Ramps (42.51311, -92.44391) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 37.8558 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2018 | Raindrop shape. http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework. |
|
Cedar Falls,
IA Black Hawk Co. United States |
University Ave. / SR 27-SR 58 NB Ramps (42.51311, -92.44268) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 48.4202 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2018 | Raindrop shape. http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework. |
|
Cedar Falls,
IA Black Hawk Co. United States |
University Ave. / Cedar Heights Dr. (42.50672, -92.41123) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.0987 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2018 | http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework. |
|
Cedar Falls,
IA Black Hawk Co. United States |
Prairie Pkwy. / Prairie View Rd. (42.49038, -92.43412) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.7219 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2013 | Year Completed estimated (2011-2015). Fist completed only with north and south legs, then east and west legs added 2015-2016. ICD estimated from Google Maps linework. |
|
North Liberty,
IA Johnson Co. United States |
N Front St. / Penn St. (41.75206, -91.59801) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 2 Driveways 32.0763 |
Other (At-Grade) Single-Lane |
2019 | Completed Fall 2019. ICD estimated from Google Maps linework. |
|
North Liberty,
IA Johnson Co. United States |
N Front St. / N Bend Dr. (41.75695, -91.59798) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.2199 |
Other (At-Grade) Single-Lane |
2019 | Completed September 2019. The adjacent dead-end road to the west has been extended up to connect with Front Street at a 90-degree angle across from the existing commercial entrance drive on the east side of Front Street. In the NW quadrant of the roundabout, the farm field site has been redeveloped as a new elementary school. ICD estimated from Google Maps linework. |
|
Coralville,
IA Johnson Co. United States |
Commerce Dr. / Commercial Park (41.69560, -91.61393) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.2389 |
Other (At-Grade) Single-Lane |
2014 | ICD estimated from Google Maps linework. |
|
Coralville,
IA Johnson Co. United States |
12th Av. / Holiday Rd. (41.69491, -91.58287) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.4032 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2015 | Year Completed estimated (2014-2016). ICD estimated from Google Maps linework. |
|
Coralville,
IA Johnson Co. United States |
E 7th St. / E 2nd Ave. (41.67892, -91.56378) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.7092 |
Other (At-Grade) Single-Lane |
2019 | Opened to traffic August 2019. East leg will re-open October 2019; north leg open to traffic summer 2020. ICD estimated from Google Maps linework. |
|
Coralville,
IA Johnson Co. United States |
Oakdale Blvd. / Jones Blvd. (41.70758, -91.61387) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.4483 |
Other (At-Grade) Single-Lane |
2015 | Year Completed estimated (2014-2016). ICD estimated from Google Maps linework. |
|
Pleasant Hill,
IA Polk Co. United States |
NE Rising Sun Dr. / NE 70 St. (41.59524, -93.46732) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.8341 |
Other (At-Grade) Single-Lane |
2019 | https://www.pleasanthilliowa.org/projects ICD estimated from Google Maps linework. |
|
Altoona,
IA Polk Co. United States |
Adventureland Dr. / 34th Ave. SW (41.65855, -93.50315) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.2615 |
Other (At-Grade) Unknown |
2018 | ICD estimated from Google Maps linework. |
|
Altoona,
IA Polk Co. United States |
NW Tallgrass Pkwy. / Prairie Fire NW (41.65368, -93.50710) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.3407 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
|
Ames,
IA Story Co. United States |
University Blvd. / Airport Rd. / Oakwood Rd. (41.99735, -93.63922) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.3798 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2016 | Free-flow right-turn bypass lane on east leg. ICD estimated from Google Maps linework. |
|
Ames,
IA Story Co. United States |
University Blvd. (530th Ave.) / Cottonwood Rd. (41.99366, -93.63921) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 37.2812 |
Other (At-Grade) Single-Lane |
2016 | ICD estimated from Google Maps linework. |
|
Ames,
IA Story Co. United States |
University Blvd. (530th Ave.) / Collaboration Pl. (41.99049, -93.63918) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 36.3954 |
Other (At-Grade) Single-Lane |
2016 | ICD estimated from Google Maps linework. |
|
Cedar Rapids,
IA Linn Co. United States |
Johnson Ave. NW / Wiley Blvd. NW (41.97123, -91.72580) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 22.1990 |
Other (At-Grade) Single-Lane |
2018 | http://www.cedar-rapids.org/local_government/departments_g_-_v/public_works/johnson_avenue_nw.php ICD estimated from Google Maps linework. |
|
Grimes,
IA Polk Co. United States |
NE Beaverbrooke Blvd. / NE Heritage Dr. (41.70101, -93.78190) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 57.0699 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | Year Completed estimated (2016-2017). ICD estimated from Google Maps linework. |
|
Grimes,
IA Polk Co. United States |
NE Beaverbrooke Blvd. / NE Park Dr. / NE Park St. (41.70201, -93.78755) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.0184 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | Year Completed estimated (2016-2017). ICD estimated from Google Maps linework. |
|
Johnston,
IA Polk Co. United States |
NW 70th Ave. / NW 107th St. (NE Edgewood Dr.) (41.68834, -93.76342) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.2433 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2016 | ICD estimated from Google Maps linework. |
|
Johnston,
IA Polk Co. United States |
NW 70th Ave. / NW 100th St. (41.68834, -93.75589) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.8109 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | Year Completed estimated (2016-2017). ICD estimated from Google Maps linework. |
|
Johnston,
IA Polk Co. United States |
NW 100 St. / NW 68th Ave. (41.68333, -93.75594) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5705 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | Year Completed estimated (2016-2017). ICD estimated from Google Maps linework. |
|
Johnston,
IA Polk Co. United States |
NW 100th St. / Ashton Dr. (41.67978, -93.75594) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5725 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | ICD estimated from Google Maps linework. |
|
Johnston,
IA Polk Co. United States |
NW 100th St. / Newport Vista Dr. (41.67795, -93.75591) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.6815 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | ICD estimated from Google Maps linework. |
|
Marion,
IA Linn Co. United States |
6th Ave. / 15th St. (42.03243, -91.59397) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2019 | Year Completed estimated (2018-2019). |
|
Muscatine,
IA Muscatine Co. United States |
Cedar St. / Logan St. (41.43575, -91.06473) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.7570 |
Other (At-Grade) Single-Lane |
2015 | Year Completed estimated (2014-2016). ICD estimated from Google Maps linework. |
|
Ottumwa,
IA Wapello Co. United States |
Wapello St. / Albia Rd. / N Ferry St. (41.00821, -92.43239) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.9516 |
Other (At-Grade) Unknown |
2019 | https://www.facebook.com/cityofottumwa/posts/10157576935583243?comment_id=10157577136173243&comment_tracking=%7B"tn"%3A"R"%7D ICD estimated from Google Maps linework. |
|
Ottumwa,
IA Wapello Co. United States |
N Ferry St. / Richmond Ave. (41.00736, -92.43270) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.8280 |
Other (At-Grade) Unknown |
2018 | Opened summer 2018. https://www.google.com/maps/d/viewer?mid=12miH60MU576dGTib4lVgSXtLX2U&hl=en&gl=us&ie=UTF8&oe=UTF8&msa=0&ll=41.0083054%2C-92.43248460000001&z=17 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. |
|
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. |
|
Bettendorf,
IA Scott Co. United States |
53rd Ave. / Middle Rd. (41.57538, -90.46408) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.5252 |
Other (At-Grade) Single-Lane |
2002 | Right turn bypass lanes striped within roundabout. Construction cost ~$865,000. Information from website: http://www.bettendorf.lib.ia.us/publicworks/roundabout.html ICD estimated from Google Maps linework. |
|
Coralville,
IA Johnson Co. United States |
1st Ave. / Holiday Rd. (41.69276, -91.56655) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.8896 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | Opened September 1, 2002. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
|
Oskaloosa,
IA Mahaska Co. United States |
Hwy 432 / Old Hwy 163 / Pella Ave. / Orchard Ave. (41.30376, -92.66716) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.8882 |
Other (At-Grade) Single-Lane |
2004 | Completed April 2004. Site has sunken hole in central island with tunnels for bike path that passes under circulatory roadway. Experienced two single-vehicle crashes into sunken central island (alcohol-related). ICD estimated from Google Maps linework. |
|
West Des Moines,
IA Dallas Co. United States |
Wistful Vista Dr. / S. 79th St. (41.56572, -93.81668) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.6372 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
|
Des Moines,
IA Polk Co. United States |
Gannett Ave. / Rittenhouse St. (41.52031, -93.65178) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 41.1341 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
|
Altoona,
IA Polk Co. United States |
10th Ave. SE / 15th St. SE (41.63733, -93.45121) |
Other Removed |
Unknown Unknown |
4 Approaches 0 Driveways 18.2880 |
Other (At-Grade) Single-Lane |
2024 | No splitter islands. Opened December 16, 2005. Circle replaced with a 4-way stop in 2024. https://www.altoona-iowa.com/news_detail_T2_R153.php |
|
(unincorporated),
IA Blackhawk Co. United States |
Independence Ave. (IA 281) / Raymond Rd. (V49) (42.49790, -92.21953) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.7456 |
Other (At-Grade) Single-Lane |
2008 | Opened Octboer 29, 2008. First roundabout in Iowa with 55mph approaches. Previously controlled by two-way stop ICD estimated from Google Maps linework. |
|
Cedar Falls,
IA Blackhawk Co. United States |
Cedar Heights Dr. / Viking Rd. (42.48899, -92.41638) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Single-Lane |
2007 | Right-turn-only lane on west leg. Intersection relocated from T-intersection to the south. Opened November 2007. |
|
Clive,
IA Dallas Co. United States |
NW 156th St. / Boston Pkwy. (41.62066, -93.83356) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.7487 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | ICD estimated from Google Maps linework. |
|
Clive,
IA Dallas Co. United States |
Berkshire Pkwy. / Sheridan Ave. (41.61697, -93.84561) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.5370 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
|
Clive,
IA Dallas Co. United States |
Berkshire Pkwy. / Boston Pkwy. (41.62153, -93.84657) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.3558 |
Other (At-Grade) Single-Lane |
2005 | ICD estimated from Google Maps linework. |
|
Coralville,
IA Johnson Co. United States |
E. 9th St. / Quarry Rd. (41.68176, -91.55988) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5714 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2006 | Opened August 15, 2006. ICD estimated from Google Maps linework. |
|
Coralville,
IA Johnson Co. United States |
Holiday Rd. / Corridor Way (41.69709, -91.60332) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.3202 |
Other (At-Grade) Single-Lane |
2007 | ICD estimated from Google Maps linework. |
|
Ottumwa,
IA Wapello Co. United States |
US 34 / US 63 (41.00102, -92.40453) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.3638 |
Other (At-Grade) Single-Lane |
2006 | Opened November 2006. Right turn bypass lanes on all approaches. ICD estimated from Google Maps linework. |
|
Urbandale,
IA Dallas Co. United States |
142nd St. / Douglas Pkwy. (41.62940, -93.80899) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.6355 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
|
Coralville,
IA Johnson Co. United States |
12th Ave. / Forevergreen Rd. (41.72284, -91.59520) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.9823 |
Other (At-Grade) Single-Lane |
2005 | http://www.coralville.org/mod/press/documents/12th%20Ave%2011-18-05.pdf. Opened November 16, 2005. ICD estimated from Google Maps linework. |
|
Maryville,
IA Fayette Co. United States |
IA 3 / IA 187 (42.68763, -91.64565) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.5057 |
Other (At-Grade) Single-Lane |
2009 | Rural ICD estimated from Google Maps linework. |
|
Altoona,
IA Polk Co. United States |
Bass Pro Dr. / Prairie Fire Blvd. (41.65177, -93.51022) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.8352 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | Part of Bass Pro Shops commercial shopping center. ICD estimated from Google Maps linework. |
|
Ankeny,
IA Polk Co. United States |
SW Goodwin St. / Springfield Dr. (41.69388, -93.61487) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.9709 |
Other (At-Grade) Single-Lane |
2004 | One of three in a new residential development. Functional Class: Local ICD estimated from Google Maps linework. |
|
Ankeny,
IA Polk Co. United States |
SW Somersby Blvd. / Springfield Dr. (41.69387, -93.61252) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 24.0790 |
Other (At-Grade) Single-Lane |
2004 | One of three in a new residential development. Functional Class: Local ICD estimated from Google Maps linework. |
|
Ankeny,
IA Polk Co. United States |
SW Somersby Blvd. / 46th St. (41.69155, -93.61253) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.0799 |
Other (At-Grade) Single-Lane |
2004 | One of three in a new residential development. Functional Class: Local ICD estimated from Google Maps linework. |
|
Ankeny,
IA Polk Co. United States |
SW Snyder Blvd. / Springfield Dr. (41.69610, -93.60439) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.8618 |
Other (At-Grade) Single-Lane |
2006 | In new residential development. Functional Class: Local ICD estimated from Google Maps linework. |
|
Ankeny,
IA Polk Co. United States |
NW 13th St. / Boulder Dr. (41.74220, -93.64587) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.8432 |
Other (At-Grade) Single-Lane |
2005 | In new residential development. Functional Class: Local ICD estimated from Google Maps linework. |
|
Ankeny,
IA Polk Co. United States |
SW White Birch Dr. / Braeburn St. (41.70018, -93.62535) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 55.2872 |
Other (At-Grade) Single-Lane |
2005 | In new residential development. Functional Class: Local ICD estimated from Google Maps linework. |
|
Ankeny,
IA Polk Co. United States |
NW 5th St. / Abbie Dr. (41.73569, -93.66248) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.0634 |
Other (At-Grade) Single-Lane |
2008 | In new residential development. Functional Class: Local ICD estimated from Google Maps linework. |
|
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. |
|
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 |
|
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/ |
|
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). |
|
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 |
|
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. | |
|
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 | |
|
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 |
|
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/ |