1) NY Central et al 2) UP and SP 3) Amtrak and B&O 4) Amtrak, et al 5) AT & SF, et al 6) AT&SF et al 7) ATSF and B&O, for two 8) BNSF and Conrail, et al 9) Central Pacific et al 10) Erie and B&O 11) Four Monopoly props 12) Four Monopoly sqs 13) Grand Central arrs 14) HO-scale sets 15) Lines in Penn Sta Found on https://www.crosswordclues.com/clue/rrs