Quick: head to iPlayer and check out the Radio 4 documentary, The Ghost Trains of Old England. It's a lovely little programme about parliamentary trains, and it's very much worth a listen.
And on a sidetrack, there was mention of the rarely served Denton station in Manchester. I have a mild yen to visit this station, because it's the same name as the town in Shock Treatment, and Shock Treatment is one of my minor obsessions (this is my ringtone right now). Strangely, it seems that Network Rail seem to also realise how dreadful the service to this station is, and recognise that if you want to get there, you may as well be fictional: