The State Highway and Transportation Department Fund shall consist of:
there to be used for the maintenance, operation, and improvement required by the Arkansas Department of Transportation in carrying out the functions, powers, and duties as set out in Arkansas Constitution, Amendment 42, and §§ 27-65-102 - 27-65-107, 27-65-110, 27-65-122, and 27-65-124, and the other laws of this state prescribing the powers and duties of the department and the State Highway Commission.
Ark. Code § 19-6-405