Four U.S. airports have begun testing a new pilot program aimed at determining whether select passengers can get through the security checkpoints more quickly.

The airports in Atlanta, Miami, Dallas and Detroit are implementing the initiative, known as “PreCheck.” Passengers would have to share more personal information with the Transportation Security Administration through a pre-screening process in order to move through the security lines with less hassle.

The Transportation Security Administration says the test program involves some frequent fliers with Delta Air Lines and American Airlines along with some members of the U.S. Customs and Border Protection's Trusted Traveler programs.

Officials say eligible passengers may undergo expedited screening, but random and unpredictable security measures will always be incorporated throughout the airport.

Separately, the Transportation Security Administration says it is in the process of testing other new screening initiatives that include a program aimed at providing positive-identification verification for pilots and using expanded behavior detection methods.