just like a few changes to some international trains like the class A4 mallard liner british passenger train from 1939, or the flying scotsman, a famous class A passenger steam train known in the united kingdom for going from london to edinbourgh in 1922 at a top speed of 100KM and arriving in under 6 hours, or maybe the french high speed passenger train from the mid 1950s the CC 7121 that reached an incredible high speed of 243KM in 1954.
CC 7121 electric passenger train