(a) The portion of U.S. Highway 287 in Midlothian between its intersection with Rex Odom Drive and its intersection with Kimble Road is designated as the Chris Kyle Memorial Highway. The designation is in addition to any other designation.
(b) Subject to § 225.021(c), the department shall:
(1) design and construct markers indicating the designation as the Chris Kyle 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.