The Enid town square overlay district shall be defined as that portion of the central business district bounded by Elm Street on the north, the Union Pacific railroad tracks on the east, Adams Street on the west from Elm Street to Cherokee Avenue, Washington Street on the west from Cherokee Avenue to the half-block south of Garriott Road, and a line contiguous with the centerline of the east-west alley in Block 4, Southside Addition, extending from Washington Street east to the UP railroad tracks. (Ord. 80-29, 12-16-1980 as amended)