**GAO-10-650T**                      Published: Apr 21, 2010. Publicly Released: Apr 21, 2010.                  

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## Highlights

Terrorist attacks on surface transportation facilities in Moscow, Mumbai, London, and Madrid caused casualties and highlighted the vulnerability of such systems. The Transportation Security Administration (TSA), within the Department of Homeland Security (DHS), is the primary federal agency responsible for security of transportation systems. This testimony focuses on the extent to which (1) DHS has used risk management in strengthening surface transportation security, (2) TSA has coordinated its strategy and efforts for securing surface transportation with stakeholders, (3) TSA has measured the effectiveness of its surface transportation security-improvement actions, and (4) TSA has made progress in deploying surface transportation security inspectors and related challenges it faces in doing so. GAO's statement is based on public GAO products issued from January to June 2009, selected updates from September 2009 to April 2010, and ongoing work on pipeline security. For the updates and ongoing work, GAO analyzed TSA's pipeline risk assessment model, reviewed relevant laws and program management documents, and interviewed TSA officials.

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## Topics

Transportation

Air transportationAirport securityCounterterrorismFreight transportationGround transportationMass transitMonitoringPassenger trainsPerformance measuresPipeline operationsProgram managementPublic roads or highwaysRail securityRisk assessmentRisk managementStrategic planningTransportation security