Section 21.943 - Eligibility(a) To be eligible for a directional sign, a privately owned activity or attraction must be of national or regional interest to the traveling public and must be: (1) a natural phenomenon;(3) an historic, educational, cultural, scientific, or religious site; or(4) an outdoor recreational area.(b) The department may determine whether an attraction or activity satisfies the requirements of subsection (a) of this section. In making the determination the department may use among other resources the National Register of Historic Places and the "Texas State Travel Guide" published by the State of Texas.43 Tex. Admin. Code § 21.943
The provisions of this §21.943 adopted to be effective July 1, 2011, 36 TexReg 2418