(a) The portion of State Highway Loop 121 in Bell County between its intersection with Interstate Highway 35 and its intersection with Interstate Highway 14 is designated as the Deputy Sheriff John Rhoden Memorial Highway. The designation is in addition to any other designation.
(b) Subject to Section 225.021(c), the department shall:
(1) design and construct markers indicating the designation as the Deputy Sheriff John Rhoden 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.