I found this wonderful photo of the new style containerised freight train for British Rail, circa 1965. You get a great sense of modernity, against the grimy and broken background.
Containerisation provides, literally, the building blocks of the global economy. There’s a great BBCTV film documentary about this, here
https://www.bbc.co.uk/programmes/b00scpzn
Well worth watching.
I’ve posted about the identity before, here