1. There is hereby created and set up the “State Road Fund” which shall receive all moneys and credits from

(1) The sale of state road bonds;

(2) The United States government and intended for highway purposes;

(3) The state road bond and interest sinking fund as provided in section 226.210; and

(4) Any other source if they are held for expenditure by or under the department of transportation or the state highways and transportation commission and if they are not required by section 226.200 to be transferred to the state highway department fund.

2. The costs and expenses withdrawn from the state treasury

(1) For locating, relocating, establishing, acquiring, reimbursing for, constructing, improving and maintaining state highways in the systems specified in Article IV, Section 30(b), of the Constitution;

(2) For acquiring materials, equipment and buildings; and

(3) For other purposes and contingencies relating and appertaining to the construction and maintenance of said highways shall be paid from the state road fund upon warrants drawn by the state auditor, based upon bills of particulars and vouchers preapproved and certified for payment by the commissioner of administration and by the state highways and transportation commission acting through such of their employees as may be designated by them.

3. No payments or transfers shall ever be made from the state road fund except for an expenditure made

(1) Under the supervision and direction of the state highways and transportation commission; and

(2) For a purpose set out in Subparagraph (1), (2), (3), (4), or (5) of Section 30(b), Article IV, of the Constitution.