Iowa Road Map

Written and Fact-checked by | Updated On: April 03, 2026 | 15:15 ET

Iowa Road Map showing the state routes, US highways, interstate highways, major roads, local connecting Road, secondary Road, important local road of the Iowa.

Iowa Roads and Highways Map

Iowa Road Map Showing Highways About Map: Map showing major roads, local connecting Road, secondary Road, Important Local Road of the Iowa, United States.

PDF Map - Iowa Road & Highways Map

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Roads and Highways in Iowa

Iowa has a well-organized road network that supports agriculture, commerce, and regional travel across the Midwest. Major interstate highways such as I-35, I-80, I-29, and I-74 connect cities like Des Moines, Cedar Rapids, Davenport, and Sioux City. U.S. and state highways extend throughout rural areas, linking farms, small towns, and regional centers. These roads are essential for moving goods, especially agricultural products, while also supporting daily commuting and statewide connectivity across Iowa’s largely flat landscape.

Major Highways in Iowa

HighwayTypeRoute DirectionConnects
I-35InterstateNorth–SouthDes Moines, Ames
I-80InterstateEast–WestDavenport, Des Moines, Council Bluffs
I-29InterstateNorth–SouthCouncil Bluffs, Sioux City
I-74InterstateEast–WestDavenport, Bettendorf
I-235InterstateEast–WestDes Moines metro
US 20U.S. HighwayEast–WestWaterloo, Sioux City
US 30U.S. HighwayEast–WestAmes, Cedar Rapids
US 61U.S. HighwayNorth–SouthDavenport, Dubuque
US 65U.S. HighwayNorth–SouthMason City, Des Moines
IA 141State HighwayEast–WestDes Moines region
IA 163State HighwayEast–WestDes Moines, Ottumwa
IA 27State HighwayNorth–SouthEastern Iowa corridor
IA 330State HighwayNorth–SouthDes Moines, Marshalltown

Interstate Highways in Iowa

InterstateRoute DirectionKey Cities Connected
I-29North–SouthCouncil Bluffs, Sioux City
I-35North–SouthDes Moines, Ames
I-74East–WestDavenport, Bettendorf
I-80East–WestDavenport, Des Moines, Council Bluffs
I-235East–WestDes Moines metro
I-280LoopDavenport area
I-380North–SouthCedar Rapids, Iowa City

Road Network in Iowa

Iowa’s road network includes interstate highways for efficient cross-state travel, U.S. highways connecting regional centers, and state highways serving local communities. Local and rural roads provide vital access to farms, small towns, and agricultural areas, supporting both daily travel and economic activity.

Road TypeDescriptionApprox. Length
Interstate HighwaysHigh-speed corridors800 miles
U.S. HighwaysRegional connectors3,800 miles
State HighwaysStatewide routes9,200 miles
Local RoadsCity streets85,000+ miles
Rural RoadsFarm access70,000+ miles

Iowa Roads & Highways Facts

StateIowa
Total Road Network168,000+ miles
Interstate Mileage800 miles
State Highway System9,200 miles
Total Lane Miles230,000+ miles
Major Interstate RoutesI-29, I-35, I-74, I-80
Key AuthorityIowa Department of Transportation
Number of Interstates7
Major UsesAgriculture, freight
Urban Road NetworkModerate metro grids
Longest InterstateI-80
Longest U.S. HighwayUS 20

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