Tex. Transportation Code § 224.033: COUNTY IMPROVEMENT OF STATE SYSTEM.

(a) The commission may enter into an agreement with the commissioners court of a county for the improvement by the county of the state highway system.

(b) In this section, "improvement" means construction, reconstruction, maintenance, and the making of a necessary plan or survey before beginning construction, reconstruction, or maintenance and includes a project or activity appurtenant to a state highway and including drainage facilities, surveying, traffic counts, driveways, landscaping, signs, lights, or guardrails.

Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995. Amended by Acts 1997, 75th Leg., ch. 1171, Sec. 1.26, eff. Sept. 1, 1997.