(a) Except as provided by Subsection (b), no person may erect or maintain a billboard or electric sign in an area or zone where the sale of alcoholic beverages is prohibited by law.
(b) A person may erect or maintain a billboard in an area or zone where the sale of alcoholic beverages is prohibited by law if:
(1) the premises that the billboard advertises is located in a county with a population of 250,000 or less; and
(2) the billboard is within 1,500 feet of the premises that the billboard advertises; and
(3) a United States highway that merges into and becomes an interstate highway separates the premises and the billboard; or
(4) the billboard is located adjacent to a wet precinct separated by a United States highway that merges into and becomes an interstate highway in a county with a population of 250,000 or less and advertises directions to a winery located in the adjacent wet precinct.