Federal lawmakers are advocating for funding for a new air traffic control tower at the Dubuque Regional Airport. Officials say it is a needed project with an estimated cost of $17 million. Republican U.S. Sens. Chuck Grassley and Joni Ernst and U.S. Rep. Ashley Hinson sent a letter to U.S. Department of Transportation Secretary Pete Buttigieg this week encouraging the department to dedicate Infrastructure Investment and Jobs Act funds to construct a new tower at the Dubuque Regional Airport. The infrastructure act reserves at least $200 million for airports that participate in the Federal Aviation Administration Contract Program to upgrade FAA-owned air traffic control facilities. The Dubuque tower, the only FAA-contract tower in Iowa, qualifies for the funding.Â