for more details. Ridership increase Ridership is up 12% in September 2014 and 9% in October. Accounting errors investigation An audit in 2005 revealed that the PVTA made approximately $10 million in accounting errors on a transportation development project at Springfield's Union Station. Initial reports said PVTA could owe the federal government as much as $4 million. That amount was reduced in 2009 to less than $1 million. A federal probe in 2006 also targeted some PVTA employees. Subsequently, Administrator Gary Shepard resigned in 2006 after being put on leave by the Advisory Board, but he was never charged with any offense. See also Holyoke Street Railway, a predecessor of the authority and former contractor, dissolved in 1991 Springfield Street Railway, a predecessor of the authority, merged into the Springfield Area Transit Company in 1981 References External links Bus transportation in Massachusetts Economy of Springfield, Massachusetts University of Massachusetts Amherst Organizations established in 1974