Thought this might be of interest.
Among other things they show samples of ways rail can fail.
I’m pretty sure we don’t have to deal with all the same possibilities, but some of them, yes.
Mar 27, 2012 The hidden story of rail – from its manufacture at Tata Steel’s huge works in Scunthorpe, through to its management in track, the factors which reduce its lifespan and how it is ultimate removed and replaced.