(a) The portion of U.S. Highway 59 in Garrison is designated as the Constable Darrell Lunsford Memorial Highway.
(b) Subject to § 225.021(c), the department shall:
(1) design and construct markers indicating the designation as the Constable Darrell Lunsford 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.