Tex. Transportation Code § 312.001: DEFINITIONS.

In this subchapter and in Subchapters B and C:

(1) "Highway" includes all or any part of a street, alley, or public place or square that is dedicated to public use.

(2) "Improvement" means the:

(A) filling, grading, raising, or paving of a highway in a permanent manner;

(B) widening, narrowing, or straightening of a highway;

(C) constructing of a gutter, curb, or sidewalk; or

(D) constructing of necessary appurtenances to a highway, including sewers and drains.

(3) "Railway" includes a street railway.

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