Transportation in Washington, D.C. via Washington Metro. The airport is conveniently located near to the downtown area; however, it has somewhat restricted flights to airports within the United States because of noise and security concerns. Most major international flights arrive and depart from Washington Dulles International Airport , located west of the city in Fairfax and Loudoun counties in Virginia. Dulles is the second busiest international gateway on the Eastern Seaboard. It is the Washington region's second busiest airport in terms of passengers served. Dulles offers service from several low-cost carriers including JetBlue, although the low-cost selection decreased greatly when Independence Air (which was
Avery Dulles of Notre Dame, the Catholic University at Leuven, Yale University, and St. Joseph's Seminary, Dunwoodie. He was the author of over 700 articles on theological topics, as well as twenty-two books. In 1994, he was a signer of the document "Evangelicals and Catholics Together." Past President of both the Catholic Theological Society of America and the American Theological Society, and Professor Emeritus at The Catholic University of America, Dulles served on the International Theological Commission and as a member of the United States Lutheran/Roman Catholic Dialogue. Dulles was critical of dual-covenant theology, especially as understood in the U.S. Conference of