Iowa_Highway_272

List of state highways in Iowa

List of state highways in Iowa

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State highways in the U.S. state of Iowa are owned and maintained by the Iowa Department of Transportation.

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References

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    "Primary Route Descriptions – Iowa 475 in Monona County". Iowa Department of Transportation. Retrieved September 3, 2019.
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    "Official Description Change: Unsigned Iowa 915, Polk County". Iowa Department of Transportation. July 24, 1996.
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    1992 Volume of Traffic on the Primary Road System of Iowa (PDF) (Report). Iowa Department of Transportation. 1993. Retrieved September 7, 2019.
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