Audit Reports

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Audit of Bay Area Rapid Transit District Extension to San Francisco International Airport

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This report presents the results of our audit of the Bay Area Rapid Transit District (BART) San Francisco International Airport Extension. An executive summary of the report follows this memorandum. This audit continues a series of Office of Inspector General (OIG) audits of the Department of Transportation's infrastructure mega projects. The OIG defines mega projects as those projects having potential costs of $1 billion and/or a very high level of congressional interest.