September 24, 2010 | Mark Paradies

Testimony of NTSB Chairman to Subcommittee on Federal Workforce, Postal Service, and the District of Columbia Committee on Oversight and Government Reform United States House of Representatives on Making Metro a Safety Leader

This was testimony about the NTSB investigation of the 2009 collision of two Metrorail trains that were part of the WMATA public transportation in Washington, DC. See:

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