Texas Transportation Code - TRANSP § 311.002. General Authority of General-Law Municipality

(1) abate or remove an encroachment or obstruction on a highway, street, or alley;

(2) open, change, regulate, or improve a street; or

(3) put a drain or sewer in a street, prevent the obstruction of the drain or sewer, or protect the drain or sewer from encroachment or damage.

(1) regulate or change the grade of land; and

(2) require that the grade of land be raised by filling an area.