I remember pre-WSY. You would come in to Penn, discharge the people and either lay-up in C Yard or change ends and run right back to Jamaica, Babylon and other places as equipment trains. On the westbounds, you would have equipment trains lined up outside of Harold and one by one feed into Penn. With some exceptions, you could only travel through Harold at around 15mph in those days so it was a slow process.
I always admired how the Operators in the towers, Stationmasters and LIRR Yardmaster on 21 track handled the numerous trains. It was quite a challenge.
A note to LIRR Engrs..in those days, Amtrak drill crews handled switching LIRR trains in Penn working under an LIRR Yardmaster and they even had Amtrak coach cleaners servicing LIRR trains in Penn (if they actually did anything). This is why LIRR drill crews always report to WSY and not Penn..Amtrak C&E's had until recently, first rights to any LIRR drill job starting in Penn. When they needed to run an LIRR equipment train to Jamaica or wherever, the move had to be fast due to space constraints. If there was no LIRR Engr available, they would team up an LIRR Conductor as Pilot and an Amtrak Engr to run the train back. Some of our Engineers and Conductors are under the impression that Condrs can't be Pilots on main track trains and well, they can be and were.