Inventory of Modern Roundabouts in Iowa
Bettendorf Roundabout
Photo credit City of Bettendorf

Coralville Roundabout
Photo credit City of Coralville

Clive Roundabout
Photo credit City of Clive
CITY/COUNTY |
LOCATION |
DATE OPEN |
|
Constructed Roundabouts |
|
Black Hawk County |
Single-lane, rural roundabout at the intersection of Independence Avenue (Iowa 281) and Raymond Road (V49). First roundabout in Iowa with 55mph approaches. |
Oct. 29, 2008 |
City of Altoona in Polk County |
Single-lane roundabout at the intersection of 10th Avenue SE and 15th Street SE |
Dec. 16, 2005 |
City of Ankeny in Polk County |
Four single-lane roundabouts in a new residential development |
various |
City of Bettendorf in Scott County |
Single-lane roundabout with four
approaches at the Middle Road and 53rd Street. Designed to
accommodate double lanes in the future. |
2002 |
City of Cedar Falls in Black Hawk County |
Roundabout at the intersection of Viking Road and Cedar Heights Drive |
Nov. 2007 |
City of Clive in |
Double-lane roundabout with four approaches
at the NW 156th Street and Boston Parkway intersection |
2002 |
City of Clive in |
Single-lane roundabout with three approaches
at the Berkshire Parkway and Sheridan Avenue intersection |
2001 |
City of Clive in |
Single-lane roundabout with four approaches
at the Berkshire Parkway and Boston Parkway intersection |
2005 |
|
City of Coralville in Johnson County |
Single-lane roundabout at the intersection of 12th Avenue and Forevergreen Road |
Nov. 16, 2005 |
City of Coralville in Johnson County |
Hybrid single/dual lane roundabout with three approaches at the intersection of 1st Avenue and Holiday Road |
Sept. 1, 2002 |
City of Coralville in Johnson County |
Double-lane roundabout with three approaches at the intersection of East 9th Street and Quarry Road |
Aug. 15, 2006 |
City of Coralville in Johnson County |
Single-lane roundabout with four approaches at the intersection of Holiday Road and Corridor Way |
2007 |
City of Des Moines in Polk County |
Single-lane roundabout in the Airport Business Park, just south of Army Post Road at Southwest 28th Street, Rittenhouse Street and Gannett Avenue |
2000 |
City of Oskaloosa in Mahaska County |
Single-lane roundabout with four approaches and an open hole in the center at the intersection of Orchard Avenue and Old Pella Road (former Iowa 163) |
2003 |
City of Ottumwa in Wapello County |
Single-lane roundabout at the south junction
of U.S. 34 and U.S. 63; all right turns bypass the roundabout |
Nov. 2006 |
City of Urbandale in Dallas County |
Double-lane roundabout at the intersection of 138th Street
and Douglas Parkway |
2004 |
City of Urbandale in Dallas County |
Three single-lane roundabouts at residential sites |
2003 |
West Des Moines in Dallas County |
Multi-lane roundabout at the intersection of Wistful Drive and South 79th Street |
1999 |
West Des Moines in Dallas County |
Four single-lane roundabouts at commercial and residential developments |
2007 |
|
Potential Roundabouts |
|
City of Hiawatha in Linn County |
Single-lane roundabout with four approaches at the intersection of Robins Road and Boyson Road |
Under consideration |
Fayette County |
Rural roundabout at the intersection of Iowa 3 and Iowa 187, adjacent to Starmont H.S. |
Planned for 2009 |
Please send any roundabout updates or corrections to Tim Simodynes.

