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;

List of Interstate Highways in Iowa

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

Quick Facts Interstate Highways of the Iowa Primary Highway System, System information ...

This article uses material from the Wikipedia article List_of_Interstate_Highways_in_Iowa, and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.

Number	Length (mi)^[2]	Length (km)	Southern or western terminus	Northern or eastern terminus	Formed	Removed
I-29	151.941	244.525	I-29 at Hamburg	I-29 at Sioux City	01958-10-011958	current
I-35	218.532	351.693	I-35 near Lamoni	I-35 near Albert Lea, Minn.	01958-09-211958	current
I-74	5.399	8.689	I-80 at Davenport	I-74 / US 6 at Bettendorf	01968-08-301968	current
I-80	306.392	493.090	I-80 at Council Bluffs	I-80 at LeClaire	01958-09-211958	current

Number	Length (mi)^[2]	Length (km)	Southern or western terminus	Northern or eastern terminus	Formed	Removed	Notes
I-80N	17.102	27.523	I-29 at Loveland	I-80 near Neola	01966-01-011966	01973-01-011973	Replaced by I-680; now I-880
I-129	0.286	0.460	I-129 / US 20 / US 75 at Sioux City	I-29 / US 20 / US 75 at Sioux City	01976-11-221976	current
I-235	14.585	23.472	I-35 / I-80 at West Des Moines	I-35 / I-80 at Des Moines	01961-12-141961	current
I-280	9.862	15.871	I-80 / US 6 at Davenport	I-280 at Rock Island, Ill.	01973-10-251973	current
I-380	72.969	117.432	I-80 / U.S. Route 218 / Iowa 27 near Coralville	US 218 at Waterloo	01973-09-191973	current
I-480	0.877	1.411	I-480 / US 6 at Council Bluffs	I-29 / US 6 at Council Bluffs	01966-09-211966	current
I-680	3.353	5.396	I-680 at Omaha, Neb.	I-29 near Crescent	01966-12-131966	current
I-880	17.102	27.523	I-29 at Loveland	I-80 near Neola	02019-10-052019	current	Replaced a portion of I-680
Former

Number	Length (mi)^[2]	Length (km)	Southern or western terminus	Northern or eastern terminus	Cities	Formed	Removed
I-35 Business Loop	6.927	11.148	I-35 / US 30 in Ames	I-35 in Ames	Ames	01995-10-271995	current
I-35 Business Loop	2.979	4.794	I-35 / US 18 in Clear Lake	I-35 / US 18 / Iowa 122 in Clear Lake	Clear Lake	01999-04-171999	current

List of Interstate Highways in Iowa