(a) The portion of State Highway 71 in Wharton County between its intersection with the Colorado County line and Farm-to-Market Road 2765 is designated as the Roy P. Benavidez Memorial Highway.
(b) Subject to Section 225.021(c), the department shall:
(1) design and construct markers indicating the designation as the Roy P. Benavidez 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.