R.I. Gen. Laws § 24-4-5: Federal aid highway matching account.

(a) The general treasurer shall maintain as hereinafter provided, a special account to be known as the federal aid highway matching account, which shall be a part of the state highway construction funds.

(b) Into the account shall be entered all money paid by any city or town on any project initiated and approved as herein provided for the purpose of matching federal grants and any state contribution to the projects.

(c) From the account shall be paid all debts, claims, and other obligations legally incurred in the performance of the projects, and all the payments shall be authorized by vouchers approved and signed by the director of transportation or his or her authorized agent.