In this chapter:
(1) "Approval statement" means a statement that a governmental entity issues to a petitioner under Section 441.015.
(2) "Bonds" includes notes, warrants, or other evidence of indebtedness.
(3) "District" means a road utility district.
(4) "Governmental entity" means a municipality, a county, or the department.
(5) "Road" means a graveled or paved road or turnpike that serves or is intended to serve as an arterial or main feeder road under standards the commission prescribes.
(6) "Road facility" means:
(A) a road constructed, acquired, or improved by a district; or
(B) property, an easement, or works constructed, acquired, or improved by a district and necessary or appropriate for or in aid of the improvement of a river, creek, or stream to prevent overflow or the construction and maintenance of a pool, lake, reservoir, dam, canal, or waterway for the purpose of drainage, if the property, easement, or works is related to or in furtherance of the construction, acquisition, or improvement of a road.