Economic Development Tourism Historic Preservation
Calhoun County, Iowa

Historic US Route 20

Stretching from just west of the Atlantic Ocean in Boston,MA - through 12 States to the Pacific Ocean at Newport, OR,  US Route 20 is the longest US Highway in the country at 3,365 miles. Cruise the section of Historic Route 20 that stretches across Calhoun County!

Across Calhoun County, IA