5 things to know about the NTRA terminal project Herald Democrat For many years, North Texas Regional Airport has been called Grayson County's diamond in the rough. The former Air Force base could be polished into a prime asset to the region if given the right resources, time and development. Regional leaders took one step closer to polishing that diamond Monday during a groundbreaking for a new terminal building, which will serve as the face of the airport for years to come. Here are five things to know about the project: 1. An modernization of airport services Representatives with Grayson County, NTRA and other partners officially broke ground Monday on a new 10,000 square-foot building which will serve as the new terminal for the airport. The building will replace a 1980s-era terminal which was demolished earlier this year to make way for the new terminal complex.