The Transportation Security Administration has ended the 14-month Registered Traveler Program, which expedited security screenings at five major airports for passengers who had gone through rigorous background checks.

According to published reports, TSA is studying the possibility that the program could be resurrected, although a private registered traveler program being administered in Orlando could become the prototype for future programs.

Airport officials in Indianapolis and Boston have indicated that they are studying the feasibility of implementing a private program similar to Orlando's, through which passengers who pay $79.95 and pass a government screening receive a card that allows them to use an Orlando International Airport express security line.

According to Massachusetts Port Authority spokesman Phil Orlandella, Logan International Airport is looking at implementing an Orlando-style program. Logan was one of the airports in the federal program, which was run in cooperation with American Airlines. One of the problems, he said, is determining if the original program, with fewer than 2,000 participants, can be successfully expanded to handle every airline that services Logan.