Piedmont Triad International Airport is part of a 4,000-acre campus, home to more than 50 companies that infuse an estimated $1 billion into the local community annually. More than 5,000 people work on the campus. PTI is owned and operated by the Piedmont Triad Airport Authority. No local tax dollars are used to operate the airport. Located at the center of North Carolina and the midpoint of the East Coast, Piedmont Triad International Airport (GSO) is strategically positioned at the hub of the dynamic Piedmont Triad region, situated between the cities of Greensboro, Winston-Salem and High Point where I-40, I-85 and the I-73 and I-74 converge. More than 4.5 million people live within a 90-minute drive of GSO. We are the region's leading provider of air service.