Sec. 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.