In this chapter:
(1) "Toll project" means a toll project described by Section 201.001(b), regardless of whether the toll project:
(A) is a part of the state highway system; or
(B) is subject to the jurisdiction of the department.
(2) "Toll project entity" means an entity authorized by law to acquire, design, construct, finance, operate, and maintain a toll project, including:
(A) the department under Chapter 228;
(B) a regional tollway authority under Chapter 366;
(C) a regional mobility authority under Chapter 370; or
(D) a county under Chapter 284.