Northern Virginia from the older National Airport (a focus city for American Airlines) are restricted for distance, frequency, and flight paths due to the proximity to federal facilities, Dulles is the region's second busiest airport in both passenger loadings and aircraft movements, and the sixteenth-busiest airport in the United States by takeoffs and landings in 2007. Dulles is the region's primary international gateway, serves as a hub for United Airlines, and has recently improved its low-cost carrier offerings with the addition of multiple flights by Southwest and JetBlue. Commuters are served by the Washington Metro subway and the Virginia Railway Express, a
Avery Dulles and Janet Pomeroy Avery Dulles. His uncle was Director of Central Intelligence Allen Welsh Dulles. Both his great-grandfather John W. Foster and great-uncle Robert Lansing also served as U.S. Secretary of State. His paternal grandfather, Allen Macy Dulles, was a member of the faculty of Auburn Theological Seminary and published in the field of ecclesiology, to which the Catholic Dulles would likewise devote scholarly attention. He received his primary school education in New York City at the St. Bernard's School and attended secondary schools in Switzerland and The Choate School (now Choate Rosemary Hall) in Wallingford, Connecticut. He then enrolled