Answer: stas

AnswerCrossword Clue
STASTraining places? (Abbr.)
STASRailroad stops (Abbr.)
STASSked listings: abbr.
STASAmtrak map pts.
STASUnion and Victoria, briefly
STASSPRR depots
STASEmbarkation pts.
STASDepots: abbr.
STASSubway stops (Abbr.)
STASUnion Pac. stops
STASReading stops: Abbr.
STASMetro map points: Abbr.
STASPenn. and others
STASSubway map array: Abbr.
STASLondon's Covent Garden and others: Abbr.
STASSubway stops: Abbr.
STASPlaces where connections are made: Abbr.
STASRailroad deps.
STASBoarding spots: Abbr.
STASDeps.
STASL.I.R.R. stops
STASPBS members
STASStops on a RR
STASPenn, etc.
STASPenn et al.
STASBus deps.
STASUnion and others: Abbr.
STASEl stops: Abbr.
STASPenn:, et al.
STASVictoria et al.: Abbr.
STASCommuter map points: Abbr.
STASTimetable listings: Abbr.
STASStops: Abbr.
STASAM selections: Abbr.
STASStops on the I.R.T.
STASTraining places?: Abbr.
STASThey're found all along the line: Abbr.
STASOn-off points: Abbr.
STASParts of a line: Abbr.
STASPoints on a line: Abbr.