Posts tagged with "Coralville"
November 24, 2021
Diverging Diamond Interchanges (DDI) is a unique interchange design that helps control increased traffic volumes, safety, and right of way concerns around an interchange. The design for the Coralville DDI located on I-80 and 1st Avenue will help the interchange accommodate the unique circumstances that developed the final layout.
May 19, 2021
The City of Coralville and Iowa DOT have partnered to improve the I-80 and 1st Avenue Interchange. The existing diamond interchange will be replaced with a Diverging Diamond Interchange (DDI) design to handle projected traffic volumes. One of the biggest safety and congestion issues is tied to the number of left turns at the interchange.