
    Pennsylvania Department of Transportation, Appellant, v. National Advertising Company.
    
      Argued June 9, 1975.
    
      Roger T. Shoop, Assistant Attorney General, with him Michael R. Deckman, Deputy Chief Counsel, and Robert P. Kane, Attorney General, for appellant; Robert J. Demer, with him J. Scott Calkins, for appellee.
   Order affirmed.  