9 car trains 459 ft or 140m.
https://en.wikipedia.org/wiki/PATH_(rail_system)#/media/File:Train_Ride_to_Newark_(1997)_(6390625079).jpg 8 x 51 ft = 408 or 124m.
https://en.wikipedia.org/wiki/PATH_(rail_system)#Rolling_stock
https://liamoconnell.com/2022/07/08/why-the-path-train-never-grew/
https://nyc.streetsblog.org/2021/05/16/opinion-the-port-authoritys-wrong-moves-at-newark-airport/