(a) The portion of Business Interstate Highway 20-E in Ector County between its eastern intersection with State Highway Loop 338 and its intersection with the Ector-Midland County Line is designated as the Mac Wilson and Rex Young Medal of Honor Highway.
(b) Subject to Section 225.021(c), the department shall:
(1) design and construct markers indicating the designation as the Mac Wilson and Rex Young Medal of Honor 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.