|1.||Interstate 80 Iowa|
300 miles of...farms, smelly farms, corn, even smellier farms, and...Des Moines...and Davenport too.
Features a 73-mile branch route in I-380. Most branch routes are relatively short.
Also has a 14-mile overlap with I-35 in Des Moines.
A driver on I-80 in Iowa passed out from the smell of nearby farms.