The Dulles rail project does not suffer from “no transparency and accountability,” does not face serious federal funding risks and will not thrust cost overruns onto Fairfax County and toll road users, according to the head of Virginia’s rail agency.

A May 4 letter from Virginia Department of Rail and Public Transportation Director Matt Tucker to the Fairfax County Board of Supervisors, obtained by The Examiner on Monday, seeks to counter the growing heap of criticism that has fallen on Northern Virginia’s planned 23-mile Metrorail extension in recent months.