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When 'Airport Business' Is a Ticket to Less Traffic

John Van Vliet commutes from Harpers Ferry, W.Va., to Alexandria every day. And almost every day he stops at Dulles International Airport, not to catch a flight, but to buy a 99 cent cup of coffee at the sole gas station on airport property. He makes sure to get a receipt.

By Eric M. Weiss

© 2008 The Washington Post Company