(a) The department shall use and require the use of xeriscape practices in:
(1) the construction of roadside parks; and
(2) the maintenance of roadside parks.
(b) In implementing this section, the department shall follow the guidelines adopted under Section 2166.404, Government Code.
(c) In this section:
(1) "Roadside park" includes a rest area, picnic area, welcome station, or other facility that is:
(A) provided for the convenience of the traveling public;
(B) within or adjacent to a highway right-of-way; and
(C) under the jurisdiction of the department.
(2) "Xeriscape" has the meaning assigned by Section 2166.404, Government Code.
(d) Expired.