All moneys in the Fund shall first be used for debt service payments on bonds or obligations for which the Fund is expressly required for making debt service payments, to the extent needed. The Fund shall be considered a part of the Transportation Trust Fund. Any moneys remaining in the Fund, including interest thereon, at the end of each fiscal year shall not revert to the general fund but shall remain in the Fund. Moneys in the Fund shall be used solely for the purposes enumerated in subsection B. Expenditures and disbursements from the Fund shall be made by the State Treasurer on warrants issued by the Comptroller.
Va. Code § 33.2-1527