(a) To commemorate the achievements of veterans buried at the national cemetery in Dallas County, Spur 408 in Dallas County from Interstate Highway 20 to Loop 12 is designated as Patriot Parkway.
(b) The department shall design and construct memorial markers indicating the highway number, the designation as Patriot Parkway, and any other appropriate information.

(c) The department shall erect a memorial marker at each end of the memorial highway and at intermediate sites along the highway that the department determines are appropriate.