21-5.02   Layout of Streets, Designation.
   Barren River shall constitute the base line which will divide the City into north and south parts. Russellville Road, from the Louisville and Nashville Railroad Line and from the Russellville Road underpass, shall be considered the base line which divides the City into east and west parts. Hereafter, streets east of this base line running in a generally easterly-westerly direction shall be considered “east” streets and likewise streets west of the Louisville and Nashville Railroad Line and the Russellville Road and running in a generally easterly-westerly direction shall be considered “west” streets.
   a.    Each building east of the Louisville-Nashville Railroad Line and the Russellville Road, and facing a street running in an easterly direction shall carry a number and address indicating its location each of said base line.
   b.    Each building west of the Louisville and Nashville Railroad Line, and facing a street running in a westerly direction shall carry a number and address indicating its location west of said base line.