(a) The portion of State Highway 16 in Young County from the Palo Pinto County line northwest to the municipal limits of Graham is designated as the Texas Game Warden Joseph Marshall Evans Memorial Highway.
(b) Subject to § 225.021(c), the department shall:
(1) design and construct markers indicating the highway number, the designation as the Texas Game Warden Joseph Marshall Evans 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.