Which element of airport security has increased due to the Aviation Security and Transportation Act of 2001?

The Aviation Security and Transportation Act of 2001 was enacted in the wake of the September 11 attacks and significantly reformed the security landscape of U.S. aviation. One of the key elements of this legislation was the establishment of increased security measures, including stringent security program requirements for certain aircraft. This included mandates for enhanced security screening processes, more robust protocols for passenger and baggage screening, and the implementation of the Transportation Security Administration (TSA) as the primary authority overseeing these requirements.

The focus on certain aircraft was especially critical as the act aimed to mitigate risks associated with hijackings and improve overall safety during flights. This heightened focus on aircraft security was necessary to assure passengers and restore confidence in air travel following a period of significant distrust.

The other options, while they may pertain to aspects of airport operations or passenger amenities, do not reflect a direct result of the legislation aimed at enhancing security measures within the aviation industry.