(a) State Highway 158 in Runnels County, between Farm Road 2887 and Ranch Road 2111, is designated as the Army Specialist William Justin Byler Memorial Highway.
(b) Subject to Section 225.021(c), the department shall design and construct memorial markers indicating the highway number, the designation as the Army Specialist William Justin Byler Memorial Highway, and any other appropriate information. The department shall erect a marker at each end of the highway and at appropriate intermediate sites along the highway.