Section 4. Debt authorization.
The Governor, Auditor General and State Treasurer are hereby authorized and directed to borrow, from time to time, in addition to any authorization heretofore or hereafter enacted, on the credit of the Commonwealth, subject to the limitations provided in the current capital budget, money not exceeding in the aggregate the sum of $145,758,000 as may be found necessary to carry out the construction or acquisition of the public improvement projects specifically itemized in a capital budget.