- Atlantic (E), IA
- Burlington, IA
- Cedar Rapids, IA
- Davenport Speedway (E), IA
- Davenport, IA
- Des Moines, IA
- Dubuque, IA
- Fairfield (E), IA
- Ft Madison (E), IA
- Grinnell (E), IA
- Iowa City, IA
- Keokuk, IA
- Monroe (E), IA
- Mt Pleasant, IA
- Muscatine (E), IA
- Oskaloosa (E), IA
- Ottumwa (E), IA
- Walcott Jct (E), IA
- Waterloo (E), IA