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A Transportation Security Administration (TSA) Known Traveler Number (KTN) is a unique identifier assigned to pre-approved, low-risk air travelers who have undergone a thorough background check by the TSA. For example, frequent flyers or individuals with sensitive occupations may qualify for a KTN.

KTNs streamline the airport screening process by allowing pre-approved travelers to bypass certain security procedures, such as removing shoes and emptying liquids. Benefits include expedited security checks, reduced wait times, and a smoother overall travel experience. The implementation of the KTN program in 2005 marked a significant advancement in airport security.

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What is a Known Traveler Number (KTN)? A Known Traveler Number (KTN) is a unique identifier issued by the U.S. Customs and Border Protection (CBP) to pre-approved, low-risk travelers. For instance, frequent international travelers or members of trusted traveler programs like Global Entry can obtain a KTN.

The KTN program was launched in 2002 as part of the Transportation Security Administration’s (TSA) Secure Flight initiative. It helps streamline the passenger screening process, making it faster and more efficient for pre-approved travelers. KTN holders benefit from expedited security screening, reduced wait times, and access to dedicated security lanes at participating airports.

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