In this chapter:
(1) "Bonds" means tax bonds, tax and revenue bonds, revenue bonds, tax anticipation notes, revenue anticipation notes, grant anticipation notes, or a combination of those evidences of indebtedness.
(2) "District" means a district created under Chapter 441 or Subchapter B, Chapter 257.
(3) "Toll road project" means a road, street, highway, or turnpike constructed under this chapter and includes:
(A) a necessary bridge, overpass, underpass, interchange, entrance plaza, approach, toll structure, or service station;
(B) an administration, storage, or other necessary building; and
(C) property rights, easements, and interests acquired in connection with the project.