List of Interstate Highways in Iowa

"Iowa Interstate" redirects here. For the railroad, see Iowa Interstate Railroad.
Interstate Highways of the Iowa Primary Highway System
Highway markers for I-80, I-380, and I-35 Bus. Loop
Map
Interstate Highways in Iowa highlighted in red
System information
FormedAugust 14, 1957[1]
Highway names
InterstatesInterstate X (I-X)
Business Loops:Interstate X Business (I-X Bus.)
System links

Interstate Highways in Iowa form a network of freeways that cross the U.S. state of Iowa as part of the Interstate Highway System.

  1. ^ Official Route Numbering for the National System of Interstate and Defense Highways (Map). American Association of State Highway Officials. August 14, 1957.