**GAO-12-44**                      Published: Nov 21, 2011. Publicly Released: Nov 21, 2011.                  

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## Highlights

The U.S. transportation system, comprised of aviation, freight rail, highway, maritime, mass transit and passenger rail, and pipelines, moves billions of passengers and millions of tons of goods each year. Disrupted terrorist attacks involving rail and air cargo in 2010 demonstrate the importance of effective information sharing with transportation security stakeholders. The Transportation Security Administration (TSA) is the lead agency responsible for communicating security-related information with all modes. In response to the Implementing Recommendations of the 9/11 Commission Act of 2007, GAO assessed 1) the satisfaction of transportation stakeholders with the quality of TSA's transportation security information products, 2) satisfaction with mechanisms used to disseminate them, and 3) the extent to which TSA's roles and responsibilities are clearly defined. GAO surveyed 335 aviation, rail, and highway stakeholders (with an 82 percent response rate); reviewed agency planning documents; and interviewed industry associations, transportation stakeholders, and Department of Homeland Security officials. An electronic supplement to this report--GAO-12-67SP--provides survey results.

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## Topics

Homeland Security

AccountabilityDocumentationGovernment information disseminationInformation disclosureInformation resources managementInformation securityInformation systemsPerformance measuresProduct evaluationQuality assuranceSurveysTransportation securityInformation sharing