| Brad Epperly | BNSF Railway Co. | Opposing | GA90 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA90 |
| Dustin Miller | BNSF Railway Co. | Opposing | GA90 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA90 |
| Jefferson Fink | Boone and Scenic Valley Railroad | Undecided | GA90 |
| Jim Obradovich | Boone and Scenic Valley Railroad | Undecided | GA90 |
| Jefferson Fink | Burlington Junction Railway | Undecided | GA90 |
| Jim Obradovich | Burlington Junction Railway | Undecided | GA90 |
| Kate Walton | CN Rail | Undecided | GA90 |
| Madeleine Bradley | CN Rail | Undecided | GA90 |
| Matt Eide | CN Rail | Undecided | GA90 |
| Sydney Gangestad | City of West Des Moines | Undecided | GA90 |
| Tim Coonan | City of West Des Moines | Undecided | GA90 |
| Andrew Mertens | Iowa Association for Justice | Undecided | GA90 |
| Brad Lint | Iowa Association for Justice | Undecided | GA90 |
| Lisa Davis-Cook | Iowa Association for Justice | Undecided | GA90 |
| Nick Laning | Iowa Bicycle Coalition | Undecided | GA90 |
| Threase Harms | Iowa Bicycle Coalition | Undecided | GA90 |
| Todd Coffelt | Iowa Dept. of Natural Resources | Undecided | GA90 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA90 |
| Jefferson Fink | Iowa Interstate Railroad | Undecided | GA90 |
| Jim Obradovich | Iowa Interstate Railroad | Undecided | GA90 |
| Robert Weiser | Iowa Northern Railway Company | Supporting | GA90 |
| Mike Heller | Iowa State Snowmobile Association | Undecided | GA90 |
| David Adelman | Iowa Water Land Legacy Coalition | Undecided | GA90 |
| Frank Chiodo | Iowa Water Land Legacy Coalition | Undecided | GA90 |
| Lillie Brady | Iowa Water Land Legacy Coalition | Undecided | GA90 |
| Matt Hinch | Iowa Water Land Legacy Coalition | Undecided | GA90 |
| Sara Allen | Iowa Water Land Legacy Coalition | Undecided | GA90 |
| Dane Schumann | Izaak Walton League - Iowa Division | Undecided | GA90 |
| Jefferson Fink | Patriot Rail (Keokuk Junction Railway) | Undecided | GA90 |
| Jim Obradovich | Patriot Rail (Keokuk Junction Railway) | Undecided | GA90 |
| Dane Schumann | Personal Interest-Dane Schumann | Undecided | GA90 |
| Larry Murphy | Personal Interest-Larry Murphy | Supporting | GA90 |
| Sydney Gangestad | Polk County - Board of Supervisors | Undecided | GA90 |
| Tim Coonan | Polk County - Board of Supervisors | Undecided | GA90 |
| Michael Triplett | Union Pacific Railroad | Undecided | GA90 |