12-2-6: INDUSTRIAL DISTRICTS:
   A.   Permitted Signs: In the I-1 and I-2 industrial districts there may be any sign allowed in section 12-2-5 of this chapter and ground signs, provided that no ground sign shall exceed three hundred (300) square feet in area.
   B.   Number Of Signs: Not more than one ground sign shall be erected on any one lot or tract of land, or one sign for each three hundred feet (300') of street frontage when located at least three hundred feet (300') apart on such lot or tract of land.
   C.   Intersecting Streets: No ground sign when erected on a lot fronting on intersecting streets shall be erected within fifty feet (50') of the intersection of the streets, and no ground sign may be erected within fifty feet (50') of the intersection of the state or federal highways.
   D.   Frontage On Interstate Highway: Notwithstanding any other provision herein, in a B-2 district along the frontage of any interstate highway, being any highway designated by the Illinois department of transportation and approved by the United States department of transportation as a part of the national system of interstate and defense highways on July 1, 1972, or thereafter, ground signs may be one thousand two hundred (1,200) square feet in total area, with no height restriction. (1997 Code)