(a) The portion of U.S. Highway 81 from the Texas-Oklahoma border to the northern municipal boundary of Bowie is designated as the Corporal David Slaton Memorial Highway.
(b) Subject to Section 225.021(c), the department shall:
(1) design and construct markers indicating the highway number, the designation as the Corporal David Slaton Memorial Highway, and any other appropriate information; and
(2) erect a marker at each end of the highway and at appropriate intermediate sites along the highway.
(c) In this section, a reference to the municipal boundary of Bowie means that boundary as it exists on September 1, 2011.