Expedited security lines for elite travelers are making a comeback at airports across the U.S. Many carriers offer dedicated checkpoint lanes for frequent fliers and passengers in certain fare classes, and recently many carriers have announced enhancements to existing programs as well as the opening of new lanes at a number of airports. Airlines and airports are responsible for funneling travelers to the actual screening area, where TSA's responsibility normally begins. But the government is getting in on the shortcut trend, as well, with the Diamond Self-Select program now operating 45 airports and TSA-approved Registered Traveler lanes available in 21 cities.
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