> Track spacing is often much less than the dilution of position, Which is why I spell out to instrument the current reporting switches (which are the current

> Track spacing is often much less than the dilution of position, Which is why I spell out to instrument the current reporting switches (which are the current systems (and yes they fail)) > As a general rule of thumb, life critical stuff needs to be simple, well tested and well characterised. For context, my state leads in railroad crossing deaths, in part because the existing signaling infrastructure is too sparse or dilapidated. >