Tex. Transportation Code § 252.212: POWERS OF COMMISSIONERS COURT.

In a county that appoints one or more road superintendents, the commissioners court may:

(1) purchase or hire the road machinery, tools, vehicles, and labor required to grade, drain, or repair the roads of the county;

(2) use labor and spend money on the roads; and

(3) adopt and enforce reasonable and necessary orders and rules for laying out, working on, and improving the public roads.

Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.