List of Interstate Highways in Iowa

Interstate Highways of the Iowa Primary Highway System
Interstate Highways of the Iowa Primary Highway System
	Highway markers for I-80, I-380, and I-35 Bus. Loop
	Interstate Highways in Iowa highlighted in red
System information
Formed	August 14, 1957
Highway names
Interstates	Interstate X (I-X)
Business Loops:	Interstate X Business (I-X Bus.)
System links
	Iowa Primary Highway System; Interstate; US; State; Secondary; Scenic;

Interstate Highways in Iowa form a network of freeways that cross the state.

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