Del. Code tit. 30, § 5206

All taxes, fees, penalties and interest received by the State under this chapter, as amended, shall be deposited, not later than the close of the business day next following such receipt, to the credit of the Delaware Transportation Authority pursuant to Chapters 13 and 14 of Title 2, as amended, and any resolution or indenture of the Delaware Transportation Authority, authorizing the issuance of bonds to finance the costs of transportation facilities described in said title, to be used to finance the costs of roads, highways and other transportation facilities and not to defray the expenses and obligations of the general government of the State.