§ 154.055 WHEN EXCESS RIGHT-OF-WAY REQUIRED.
   Right-of-way width in excess of the standards set forth in the Table of Street Design Specifications shall be required where:
   (A)   Due to topography, additional width is necessary to provide adequate earth slopes; or
   (B)   Due to the location of railroad tracks, additional width is needed to construct overpasses, underpasses and approaches thereto.
(`92 Code, § 34-3-5.10)