(a) The portion of U.S. Highway 67 in Dallas and Ellis Counties between its intersection with U.S. Highway 287 and its intersection with Interstate Highway 20 is designated as the Eddie Bernice Johnson 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 Eddie Bernice Johnson 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.