To achieve the purposes of this chapter, the state department of transportation, other state agencies, political subdivisions of the state, and private organizations may use funds from the following sources:

1. 1. Funds appropriated by the general assembly.
2. 2. Private grants and gifts.
3. 3. Federal grants and loans intended for these purposes.

87 Acts, ch 173, §4 CS87, §111F.4 C93, §465B.4