Originally Posted by
Misco60
I have never been able to get that website - or any similar website - to offer the split that saves me £300 (with a railcard) every time I go to Edinburgh. It comes close, but isn't quite sophisticated enough to produce the cleanest or most convenient split. It's certainly a good starting place, though.
I'm happy to go with good enough on the whole.

it's a remarkable indictment of the UK rail ticketing system that there are so many loopholes and hoops.