(a) The portion of Farm-to-Market Road 969 in Travis County between its intersection with Decker Lane and its intersection with U.S. Highway 183 is designated as the Senior Police Officer Lewis "Andy" Traylor 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 Senior Police Officer Lewis "Andy" Traylor 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.