GREENSBORO, N.C. (WGHP) — Piedmont Triad International Airport is hosting a TSA PreCheck enrollment event on Oct. 6. You can enroll and schedule your in-person appointment to enroll in TSA PreCheck at PTI online right now. Benefits of enrolling in TSA PreCheck include: The application fee is $76.7 5, which covers five years of participation if [...] ...read more read less