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GAO-11-217R 1 (2011-01-31)

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       . A~countakbity I Integrity * Reliability
United States Government Accountability Office
Washington, DC 20548


         January 31, 2011

         The Honorable Tim Johnson
         Chairman
         The Honorable Richard C. Shelby
         Ranking Member
         Committee on Banking, Housing, and Urban Affairs
         United States Senate

         Subject: Rail Transit: Reliability of FTA's Rail Accident Database


         At the request of the former chairman of the committee and Senator Shelby, we
         conducted a review of challenges associated with enhancing safety on major rail
         transit systems.'During the course of that review, we assessed the quality of data that
         the Federal Transit Administration (FTA) collects and maintains in its State Safety
         Oversight (SSO) Rail Accident Database. FTA, an agency within the Department of
         Transportation (DOT), collects these safety data, including data on types of accidents
         and causes, from SSO agencies and the rail transit agencies they oversee.2 FTA used
         the SSO Rail Accident Database to produce the agency's 2009 Rail Safety Statistics
         Report, which analyzed data from 2003 through 2008.3Although we originally intended
         to report on safety trends using the SSO Rail Accident Database in the rail transit
         report, we determined that these data were not sufficiently reliable for such a
         purpose. As a result, in this review we further assess the SSO Rail Accident Database
         and FTA's processes for collecting and compiling the data. We determined that there
         are numerous inaccuracies in FTA's SSO Rail Accident Database and, consequently,
         the 2009 Rail Safety Statistics Report. FTA implemented changes to the data
         collection process over the past few years to address some of these issues. For
         example, FTA now requires SSO agencies to report incident specific information
         instead of aggregated or summary totals. In addition, FTA revised the definition of
         rail grade crossings to ensure consistent accident reporting by rail transit agencies,
         and now requests SSO agencies to provide unique incident tracking numbers to assist
         with data validation and prevention of duplicate entries. FTA is also working to
         validate and correct existing data in the SSO Rail Accident Database. Despite these



         'GAO, Rail Transit: FTA Programs are Helping to Address Transit Agencies' Safety Challenges, but
         Improved Performance Goals and Measures Could Better Focus Efforts, GAO-11-199 (Washington,
         D.C.: Jan. 31, 2011).
         2Through the State Safety Oversight Program, FTA monitors 27 state agencies that oversee the safety
         and security of rail fixed guideway systems in 26 states. See 49 C.F.R. part 659. One state, Illinois, has
         two oversight agencies, each overseeing a different rail transit agency.
         3DOT, FTA, 2009 Rail Safety Statistics Report (Washington, D.C: 2010).


GAO-11-217R FTA Rail Safety Data Reliability

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