Shellpot Branch
The Shellpot Branch ( also called the Shellpot Secondary ) is a former Pennsylvania Railroad/Penn Central through-freight railroad owned and operated by Norfolk Southern since its acquisition , along with CSX Transportation , of Conrail in 1999 . 
<triplet> Pennsylvania Railroad <subj> Penn Central <obj> followed by <triplet> Penn Central <subj> Conrail <obj> followed by <triplet> Norfolk Southern <subj> Conrail <obj> replaces <triplet> CSX Transportation <subj> Conrail <obj> replaces <triplet> Conrail <subj> Penn Central <obj> replaces <subj> Norfolk Southern <obj> followed by <subj> CSX Transportation <obj> followed by