40-3-4   DETERMINING TERRITORY OF DISTRICTS WITH PRECISION.  
   In determining with precision what territory is actually included within any zoning district, the Administrator shall apply the following rules:
   (A)   Where a district boundary as indicated on the zoning map approximately follows the features listed below on the left, the corresponding feature on the right shall be deemed the district boundary:
      (1)   Center line of any street, alley or highway   Such centerline.
      (2)   Lot line   Such lot line.
      (3)   Railroad tracks   Right-of-way line of such track
      (4)   Stream   Center of such stream
      (5)   Section, fraction or survey lines   Such lines
   (B)   Whenever any street, alley or other public way is legally vacated, the zoning districts adjoining each side of such vacated public way shall automatically extend to the center of such way, and all territory included in the vacated way shall thereafter be subject to all regulations of the extended districts.