Interstate Highways in Iowa form a network of

freeways A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated. Common English terms are freeway, motorway and expressway. Other similar terms i ...

that cross the state.

Primary Interstates

File:I-29 Sioux City from Sgt Floyd Monument.jpg , I-29 as viewed from the

Sergeant Floyd Monument The Sergeant Floyd Monument is a monument on the Missouri River at Floyd's Bluff in Sioux City, Iowa, US. The monument honors Charles Floyd (explorer), Charles Floyd, a member of the Lewis and Clark Expedition, who died on the upstream voyage i ...

File:I-35 nb ia exit 182.jpg, alt=Photograph, I-35 approaching exit 182 File:2021 I-74 Bridge construction 01.jpg , alt=Photograph, The old and new Interstate 74 Bridges carrying I-74 across the

Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it f ...

File:I-80_in_western_Iowa.jpg, alt=Photograph, I-80 in western Iowa near

Walnut A walnut is the edible seed of a drupe of any tree of the genus ''Juglans'' (family Juglandaceae), particularly the Persian or English walnut, '' Juglans regia''. Although culinarily considered a "nut" and used as such, it is not a true ...

File:Iowa Flood I-80 DSM 20080613.jpg, alt=Photograph, Traffic congestion on I‑35 / I‑80 during the

Iowa flood of 2008 Iowa () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States, bordered by the Mississippi River to the east and the Missouri River and Big Sioux River to the west. It is bordered by six states: Wiscon ...

Auxiliary Interstates

File:I-235 Des Moines.JPG, I‑235 crossing the

Des Moines River The Des Moines River () is a tributary of the Mississippi River in the upper Midwestern United States that is approximately long from its farther headwaters.U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe Na ...

Des Moines, Iowa Des Moines () is the capital and the most populous city in the U.S. state of Iowa. It is also the county seat of Polk County. A small part of the city extends into Warren County. It was incorporated on September 22, 1851, as Fort Des Moines, ...

File:I235 keynote bridge.jpg, The Edna M. Griffin Memorial Bridge carrying I‑235 across the Des Moines River File:Interstate 480 Bridge.jpg, The I‑480 bridge over the Missouri River between

Council Bluffs, Iowa Council Bluffs is a city in and the county seat of Pottawattamie County, Iowa, Pottawattamie County, Iowa, United States. The city is the most populous in Southwest Iowa, and is the third largest and a primary city of the Omaha–Council Bluffs ...

and Downtown

Omaha, Nebraska Omaha ( ) is the largest city in the U.S. state of Nebraska and the county seat of Douglas County. Omaha is in the Midwestern United States on the Missouri River, about north of the mouth of the Platte River. The nation's 39th-largest cit ...

File:I-280 Bridge.jpg, I‑280 crosses the Mississippi River over the Baker Bridge.

Business routes

References

External links

The Iowa Highways Page
by Jason Hancock
Interstate Guide
{{DEFAULTSORT:List Of Interstate Highways In Iowa

Interstate The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. Th ...