Monies appropriated from the Transportation Fund to the Agency shall be appropriated to the Agency accounts for the following purposes:
(1) construction and maintenance of State highways, railroads, and airports, including necessary buildings and equipment;
(2) aid to municipalities for the support of class 1, 2, or 3 town highways and bridges;
(3) general administration of the Agency, including a grant for pensions;
(4) debt service for principal and interest of highway bonds;
(5) operation of public transit systems, railroads, and airports, including administration of appropriate sections of Title 5; and
(6) operation of the Department of Motor Vehicles, including administration of Title 23.