# Transportation Security **Entity class:** Protective-security domain ## Definition **Transportation security** protects aviation, rail, maritime, road, transit, pipelines, cargo, passengers, and supporting information systems against terrorism, sabotage, crime, and disruption. It integrates intelligence, screening, infrastructure protection, emergency response, and public-private operations. ## Relevance to this collection It connects [[wiki/Brian Michael Jenkins|Brian Michael Jenkins]], [[wiki/Terrorism|Terrorism]], [[wiki/Aviation Security|Aviation Security]], [[wiki/Critical Infrastructure|Critical Infrastructure]], and [[wiki/Threat Assessment|Threat Assessment]]. ## Relationships - **master collection:** [[collections/Terrorism, Counterterrorism, and the Intelligence Environment|Terrorism, Counterterrorism, and the Intelligence Environment]]. - **intellectual neighborhood:** [[wiki/Intellectual Neighborhood of the Counterterrorism Collection|Intellectual Neighborhood of the Counterterrorism Collection]]. ## Sources / Provenance - [Transportation Security Administration, *Administrator's Intent 3.0*, May 2024](https://www.tsa.gov/sites/default/files/tsa_administrators_intent_3.0.pdf). **As of:** 2026-09-23