Except as provided by this chapter, unless a person holds a permit issued under §21.164 of this subchapter (relating to Decision on Application) or §21.200 of this subchapter (relating to Local Control of Commercial Signs), the person may not erect or maintain a commercial sign that is:
  (1) within 660 feet of the nearest edge of the right of way of a regulated highway if any part of the sign's information content is visible from any place on the main-traveled way of the highway; or
  (2) outside of the jurisdiction of an incorporated city and more than 660 feet from the nearest edge of the right of way of a regulated highway if any part of the commercial sign is visible from the main-traveled way of the highway and the sign was erected for the purpose of having its information content seen from the main-traveled way of the highway.

Source Note: The provisions of this §21.143 adopted to be effective July 1, 2011, 36 TexReg 2418; amended to be effective March 14, 2018, 43 TexReg 1446