Iowa Primary Highway System | |
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System information | |
Notes | Primary highways in Iowa are generally state-maintained. |
Highway names | |
Interstates | Interstate X (I-X) |
US Highways | U.S. Highway X (US X) |
State | Highway X (IA X or Iowa X) |
System links | |
On July 1, 2003, the Iowa Department of Transportation transferred control of more than 700 miles (1,100 km) of highway to county and local governments in order to save money and to increase operational efficiency. Most of the highways turned over were short spurs connecting small, rural communities and state parks to the highway system.[1]