13-04-2016, 10:11 PM
I did deliberately choose TPWS as an example of a WSF which does not have a consequence unless something else also fails.
That makes it a WSF at sub-system level, but not necessarily at whole Railway System level. I'll take note of that as something worth making explicit.
That makes it a WSF at sub-system level, but not necessarily at whole Railway System level. I'll take note of that as something worth making explicit.

