List of Interstate Highways in Iowa

A list of Interstate Highways that traverse Iowa.

[edit] Primary Interstate Highways

	Interstate 29	Goes north-south between the South Dakota border at Sioux City to Missouri along the Missouri River.
	Interstate 35	Goes north-south between the Iowa-Minnesota border near Albert Lea, Minnesota to Missouri.
	Interstate 74	Starts at Interstate 80 at Davenport and enters Illinois six miles later at the Mississippi River
	Interstate 80	Goes east-west between Omaha, Nebraska and Illinois at the Quad Cities.

	Interstate 129	In Iowa for less than a mile, continues west into Nebraska at Sioux City.
	Interstate 235	Travels through downtown Des Moines and West Des Moines for 14 miles.
	Interstate 280	Southern bypass around the Quad Cities. Leaves Iowa at the Mississippi River.
	Interstate 380	Connects Waterloo and Cedar Rapids, Iowa to Interstate 80.
	Interstate 480	In Iowa for less than a mile, continues west into Nebraska at Council Bluffs.
	Interstate 680	Northern bypass of Omaha. Multiplexed with Interstate 29 for almost 10 miles.