In this chapter:
(1) "Department" means the Texas Department of Transportation.
(2) "Public senior college or university" has the meaning assigned by Section 61.003.
(3) "Transportation facilities" means highways, turnpikes, airports, railroads, including high-speed railroads, bicycle and pedestrian facilities, waterways, pipelines, electric utility facilities, communication lines and facilities, public transportation facilities, port facilities, and facilities appurtenant to other transportation facilities.